1 2006-04-15 Jakub Jelinek <jakub@redhat.com>
4 * except.h (eh_region_outermost): New prototype.
5 * except.c (eh_region_outermost): New function.
6 * tree-cfg.c (find_outermost_region_in_block): Use it.
8 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
12 * reload1.c (reg_equiv_memory_loc_varray): Rename to
13 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
14 (init_reload, reload): Use VEC instead of VARRAY.
15 * reload.h: Update the prototype for
16 reg_equiv_memory_loc_varray.
18 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
19 Eric Botcazou <ebotcazou@libertysurf.fr>
21 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
24 2005-04-13 Uros Bizjak <uros@kss-loka.si>
27 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
28 to expand fallback builtin function call.
30 2006-04-14 Alan Modra <amodra@bigpond.net.au>
33 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
34 and emit libcall here in case the builtin fails.
35 (expand_builtin_strcmp): Always emit the libcall here on failure.
37 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
39 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
40 * flow.c (reg_n_info): Change the type to
41 VEC(reg_info_p,heap) *.
42 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
44 * regs.h (reg_info_p): New.
45 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
46 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
47 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
50 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
52 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
54 * params.h (MAX_SCHED_READY_INSNS): New macro.
55 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
56 past MAX_SCHED_READY_INSNS during the first scheduling pass.
57 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
58 the ready list for 1 cycle during the first scheduling pass.
59 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
61 2006-04-13 Richard Henderson <rth@redhat.com>
64 * gimple-low.c (lower_omp_directive): Remove dead code.
65 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
66 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
67 * omp-low.c (struct omp_region): Move to tree-flow.h.
68 (root_omp_region): Export.
69 (omp_regions, lookup_omp_region): Remove.
70 (determine_parallel_type): Update for struct omp_region changes.
71 (dump_omp_region): Dump regions with block numbers.
72 (new_omp_region): Take type and block instead of stmt; malloc
74 (free_omp_region_1, free_omp_regions): New.
75 (expand_parallel_call): Take entry_stmt as argument; update for
76 changes to omp_region.
77 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
78 (remove_exit_barriers): New.
79 (expand_omp_parallel): Update for struct omp_region changes.
80 (expand_omp_synch): Likewise.
81 (expand_omp): Likewise.
82 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
83 (expand_omp_for_static_chunk): Likewise.
84 (expand_omp_for): Likewise.
85 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
86 (expand_omp_sections): Similarly, with GOMP_sections_end.
87 (expand_omp_single): New.
88 (build_omp_regions_1): Update for OMP_CONTINUE.
89 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
90 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
91 OMP_SECTIONS_SECTIONS.
92 (lower_omp_single_simple): Don't emit barrier here.
93 (lower_omp_single_copy): Likewise.
94 (lower_omp_single): Fix bindings, and lower to straightline now.
95 (lower_omp_master, lower_omp_ordered): Likewise.
96 (lower_omp_critical): Likewise.
97 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
98 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
99 omp edges, free it afterward.
100 (make_omp_sections_edges): Remove.
101 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
102 (move_stmt_r): Handle OMP_CONTINUE.
103 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
104 statement pointers to basic blocks. Add type member.
105 (root_omp_region, new_omp_region, free_omp_regions): Declare.
106 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
107 * tree-inline.c (estimate_num_insns_1): Likewise.
108 * tree-pretty-print.c (dump_generic_node): Likewise.
109 * tree-ssa-operands.c (get_expr_operands): Likewise.
110 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
111 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
113 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
114 (OMP_SECTIONS_SECTIONS): Remove.
115 (OMP_SECTION_LAST): New.
116 (OMP_RETURN_NOWAIT): New.
118 2006-04-13 Roger Sayle <roger@eyesopen.com>
120 * fold-const.c (native_encode_vector, native_interpret_real):
121 Correct obvious mistakes in the previous check-in.
123 2006-04-13 Roger Sayle <roger@eyesopen.com>
125 * fold-const.c (native_encode_expr): New function to encode
126 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
127 or VECTOR_CST into a specified buffer.
128 (native_encode_int): New function.
129 (native_encode_real): New function.
130 (native_encode_complex): New function.
131 (native_encode_vector): New function.
132 (native_interpret_expr): Inverse of native_encode_expr to convert
133 a target representation into an INTEGER_CST, REAL_CST etc...
134 (native_interpret_int): New function.
135 (native_interpret_real): New function.
136 (native_interpret_complex): New function.
137 (native_interpret_vector): New function.
138 (fold_view_convert_expr): New function to constant fold/evaluate
139 a VIEW_CONVERT_EXPR of a suitable constant expression.
140 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
141 Change call of build1 to fold_build1 when constructing a
144 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
145 Ulrich Weigand <uweigand@de.ibm.com>
148 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
151 2006-04-13 Alan Modra <amodra@bigpond.net.au>
154 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
155 optimize to lo_sum for DFmode if !TARGET_FPRS.
157 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
159 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
160 delete_alias_info, compute_flow_sensitive_aliasing,
161 group_aliases): Use VEC instead of VARRAY.
162 * tree-ssa-structalias.c (update_alias_info): Likewise.
163 * tree-ssa-structalias.h (alias_info): Change the type of
164 processed_ptrs to VEC(tree,heap) *.
166 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
169 * config/sh/lib1funcs.h: New file, broken out of:
170 * config/sh/lib1funcs.asm.
171 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
173 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
174 * config/sh/lib1funcs-Os-4-200.asm: New file.
175 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
176 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
177 (EXTRA_MULTILIB_PARTS): Include it.
178 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
179 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
180 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
181 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
184 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
186 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
187 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
188 tpa_compact, root_var_init, type_var_init): Use VEC instead of
190 * tree-ssa-live.h: Include vecprim.h.
191 (tree_partition_associator_d): Change the type of
192 first_partition to VEC(int,heap) *.
193 (tpa_first_partition): Use VEC instead of VARRAY.
195 * Makefile.in (GTFILES): Move functions.h after tree.h.
196 * function.c (reset_block_changes, record_block_change,
197 check_block_change, free_block_changes): Use VEC instead of
199 * function.h (function): Change the type of
200 ib_boundaries_block to VEC(tree,gc) *.
201 * tree-inline.c (copy_cfg_body): Initialize
202 ib_boundaries_block to NULL instead of (varray_type) 0.
204 2006-04-12 Roger Sayle <roger@eyesopen.com>
206 * expr.c (emit_group_store): Correct operand order in call to
207 subreg_lowpart_offset. Always create paradoxical SUBREGs with
208 a SUBREG_BYTE of zero.
210 2006-04-12 Richard Guenther <rguenther@suse.de>
212 * profile.c (compute_branch_probabilities): Remove code
213 encapsulated in !ir_type (), which are remanents of the
214 removed RTL profiling code.
215 * rtl-profile.c: Remove.
217 2006-04-12 Alan Modra <amodra@bigpond.net.au>
219 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
220 magic NULL_RTX comment.
221 (function_arg): Store entire fp arg to mem if any part should go
223 (rs6000_arg_partial_bytes): Adjust for above change.
225 2006-04-11 Roger Sayle <roger@eyesopen.com>
227 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
228 if it hasn't been initialized by dwarf2out_init.
230 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
232 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
233 symbolic constants in branch patterns.
235 2006-04-11 Roger Sayle <roger@eyesopen.com>
237 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
239 2006-04-11 Richard Sandiford <richard@codesourcery.com>
241 PR rtl-optimization/27073
242 * gcse.c (try_replace_reg): Revert last change. Continue to search
243 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
246 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
248 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
249 aggregate types other than record and union types.
250 (function_arg): Likewise.
251 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
253 (function_value): In 64-bit mode, return objects that require it
256 2006-04-11 Roger Sayle <roger@eyesopen.com>
258 * dwarf2out.c (premark_used_types): Remove problematic prototype.
260 2006-04-11 Jakub Jelinek <jakub@redhat.com>
262 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
264 2006-04-03 Jeff Law <law@redhat.com>
267 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
268 alias information too.
270 2006-04-10 Mike Frysinger <vapier@gentoo.org>
272 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
274 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
277 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
278 (premark_used_types_helper): New.
279 (premark_used_types): New.
280 (gen_subprogram_die): Call premark_used_types.
281 (prune_unused_types_walk): Do not prune perennial dies.
282 * function.c (used_types_insert): New.
283 * function.h (struct function): Add used_types_hash field.
284 (used_types_insert): Add prototype.
285 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
286 * c-parser.c (c_parser_cast_expression): Save casted types in used
289 2006-04-11 Mark Mitchell <mark@codesourcery.com>
292 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
293 rs6000_explicit_options.float_gprs.
295 2006-04-10 Roger Sayle <roger@eyesopen.com>
297 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
298 from ix86_expand_vector_init_low_nonzero. Take an additional
299 one_var argument indicating which element is non-zero. Support
300 one_var != 0 for V4SFmode and V4SImode by permuting the result.
301 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
302 with one_var instead of ix86_expand_vector_init_low_nonzero.
304 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
306 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
307 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
308 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
309 build/genextract.o): Depend on vecprim.h.
310 * cfglayout.c, df-problems.c, function.c, genextract.c,
311 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
312 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
316 2006-04-10 Geoffrey Keating <geoffk@apple.com>
318 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
319 Declare VECs of this type.
320 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
321 (remove_children): Delete.
322 (add_dwarf_attr): Use VEC routines.
323 (add_AT_flag): Update for changes to add_dwarf_attr.
324 (add_AT_int): Likewise.
325 (add_AT_unsigned): Likewise.
326 (add_AT_long_long): Likewise.
327 (add_AT_vec): Likewise.
328 (add_AT_string): Likewise.
329 (add_AT_die_ref): Likewise.
330 (add_AT_fde_ref): Likewise.
331 (add_AT_loc): Likewise.
332 (add_AT_loc_list): Likewise.
333 (add_AT_addr): Likewise.
334 (add_AT_lbl_id): Likewise.
335 (add_AT_lineptr): Likewise.
336 (add_AT_macptr): Likewise.
337 (add_AT_offset): Likewise.
338 (add_AT_range_list): Likewise.
339 (get_AT): Use VEC_iterate.
340 (remove_AT): Use VEC_ordered_remove.
341 (free_die): Fold remove_children into here; have it use VEC_iterate.
342 (print_die): Use VEC_iterate on attrs.
343 (reverse_die_lists): Don't reverse attr lists.
344 (die_checksum): Use VEC_iterate on attrs.
345 (same_die_p): Likewise.
346 (output_location_lists): Likewise.
347 (build_abbrev_table): Likewise.
348 (size_of_die): Likewise.
349 (unmark_all_dies): Likewise.
350 (output_abbrev_section): Likewise.
351 (output_die): Likewise.
352 (prune_unused_types_walk_attribs): Likewise.
354 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
356 * doc/install.texi (*-*-solaris2*): Point to the configure page.
358 2006-04-10 Jakub Jelinek <jakub@redhat.com>
361 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
363 2006-04-09 Roger Sayle <roger@eyesopen.com>
365 * expr.c (store_constructor): Don't bother clearing target if
366 we're about to assign a vector to it using vec_init_optab.
368 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
370 * tree-ssa-alias.c (lhs_may_store_to): New function.
371 (recalculate_used_alone): Handle LHS of calls.
373 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
377 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
378 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
379 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
380 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
381 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
382 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
383 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
384 stubs. Add ".align 8" directives before all ".dword" directives.
385 (GTHREAD_USE_WEAK): Revise comment.
386 (TARGET_ATTRIBUTE_WEAK): Define.
387 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
388 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
389 * stublib.c: New file.
394 * pa.md (cbranch patterns): Revise arguments used in calls to
395 output_cbranch, output_bb and output_bvd. Add long branch length
397 (fbranch patterns): Handle long branches.
398 (jump): Revise length check. Revise arguments for output_lbranch call.
399 Add long branch length attributes.
400 (decrement_and_branch_until_zero): Add long branch length attributes.
401 (output_movb, output_parallel_addb and output_parallel_movb patterns):
402 Likewise. Revise arguments for output_parallel_addb and
403 output_parallel_movb calls.
404 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
405 output_parallel_movb and output_parallel_addb): Update prototypes.
406 * pa.c (output_cbranch): Revise arguments. Correct handling of
407 nullification in long branches.
408 (output_lbranch): Add new argument to control extraction of delay
410 (output_bb): Handle long branches.
411 (output_bvb, output_dbra, output_movb, output_parallel_movb,
412 output_parallel_addb): Likewise.
414 2006-04-09 Richard Sandiford <richard@codesourcery.com>
416 PR rtl-optimization/27073
417 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
420 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
422 * tree.h (tree_memory_tag): Add old_used_alone.
423 (SMT_OLD_USED_ALONE): New macro.
424 * tree-ssa-alias.c (recalculate_used_alone): Stop
425 marking things for renaming unnecessarily.
427 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
429 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
430 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
431 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
432 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
433 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
434 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
435 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
436 spelling convensions.
437 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
438 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
439 typos. Follow spelling conventions.
441 2006-04-07 DJ Delorie <dj@redhat.com>
443 * config/m32c/m32c.c (m32c_function_arg): Structures are always
445 (m32c_init_cumulative_args): When a function returns a structure,
446 always pass the pointer to that return area on the stack.
447 (m32c_function_arg_advance): Don't increment the parameter number
448 if we're processing the returned structure pointer.
449 (pushm_info): Reverse order of registers.
451 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
453 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
454 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
455 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
456 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
458 * tree-chrec.c (chrec_fold_multiply_poly_poly,
459 chrec_fold_multiply): Same.
460 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
461 force_expr_to_var_cost): Same.
462 * tree-mudflap.c (mf_xform_derefs_1): Same.
463 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
465 2006-04-07 David Edelsohn <edelsohn@gnu.org>
467 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
468 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
471 2006-04-07 Jan Hubicka <jh@suse.cz>
473 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
475 2006-04-07 Richard Guenther <rguenther@suse.de>
477 PR tree-optimization/26135
478 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
479 loads for store copy-prop.
480 (copy_prop_visit_stmt): Likewise.
482 2006-04-05 Robert Millan <robertmh@gnu.org>
484 * gcc/config/i386/linux.h: Add a comment to mark macros that are
485 being overriden in config/k*bsd-gnu.h.
486 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
488 * gcc/config/knetbsd-gnu.h: Ditto.
490 2006-04-06 Jan Hubicka <jh@suse.cz>
494 * coverage.c (coverage_checksum_string): Reorganize loop to not read
497 2006-04-06 Mike Stump <mrs@apple.com>
499 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
500 for HAVE_nonlocal_goto to be consistent.
501 (expand_builtin_nonlocal_goto): Likewise.
502 (expand_builtin_strcmp): Use #ifdef instead of #if
503 for HAVE_cmpstrnsi to be consistent.
505 2006-04-05 DJ Delorie <dj@redhat.com>
507 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
510 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
512 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
513 got-relative addressing for anything but SImode.
515 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
516 even if the calling function doesn't modify them.
518 2006-04-05 Richard Guenther <rguenther@suse.de>
520 PR tree-optimization/26919
521 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
522 to cgraph_estimate_size_after_inlining.
524 2006-04-05 Alan Modra <amodra@bigpond.net.au>
526 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
528 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
530 PR tree-optimization/26996
531 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
532 VECTOR_TYPE variables.
534 2006-04-05 Richard Guenther <rguenther@suse.de>
536 PR tree-optimization/26763
537 * fold-const.c (fold_comparison): Move folding of
538 PTR + CST CMP PTR + CST ...
539 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
541 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
543 * doc/install.texi (Prerequisites): Refine some wording on
544 bootstrapping and ksh.
545 Move the version numbers of DejaGnu here from the testing section
546 and fix casing of names.
547 Fix markup and clarify wording for autogen requirements.
548 Refer to GCJ instead of just java.
549 Refer to SVN instead of CVS.
550 Describe diffutils as useful instead of necessary.
551 (Downloading the source): Refer to SVN instead of CVS.
552 Adjust a link to our web site accordingly.
553 (Configuration): Fix casing of Bison.
554 (Building): Refer to SVN instead of CVS.
555 Fix a sentence on the use of Bison and remove duplicate (and
556 incorrect) version number of Bison requirement.
557 Remove one redundant list of packages needed for building.
558 (Specific): Avoid reference to CVS.
560 2006-04-04 Eric Christopher <echristo@apple.com>
562 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
563 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
564 (rs6000_handle_struct_attribute): New.
565 (rs6000_ms_bitfield_layout_p): Ditto.
567 2006-04-04 Geoffrey Keating <geoffk@apple.com>
569 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
570 NULL for dso parameter to atexit_common.
572 2006-04-04 Eric Christopher <echristo@apple.com>
574 * config/i386/i386.c (machopic_output_stub): Output \t
575 between instructions and operands.
577 2006-04-04 David Edelsohn <edelsohn@gnu.org>
579 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
580 satisfies_constraint_[IL] to explicit tests on value.
582 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
584 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
585 set_nb_iterations_in_loop): Use build_int_cst instead of
587 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
588 build_int_cst instead of convert.
590 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
592 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
593 new value 2 for incoming.
594 * function.c (expand_function_start): Call struct_value_rtx
596 * config/sparc/sparc.md: Comment updated_return.
597 * config/sparc/sparc.opt: Add -mstd-struct-return option.
598 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
599 struct return if sparc_std_struct_return and incoming is 2.
600 (print_operand): Do not adjust return if
601 sparc_std_struct_return.
603 2006-04-04 Roger Sayle <roger@eyesopen.com>
605 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
606 convert in the middle-end.
607 * expr.c (store_expr, store_constructor, get_inner_reference,
608 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
610 * tree.c (build_range_type): Likewise.
612 2006-04-04 Tom Tromey <tromey@redhat.com>
614 * doc/install.texi (Prerequisites): Mention jar.
616 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
618 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
621 2006-04-04 Matthias Klose <doko@debian.org>
623 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
625 2006-04-03 Geoffrey Keating <geoffk@apple.com>
627 * doc/extend.texi (Function Attributes): Rewrite visibility
628 attribute documentation.
629 * doc/invoke.texi (C++ Dialect Options): Rewrite
630 -fvisibility-inlines-hidden documentation to describe something
631 entirely different, although in practise compatible.
632 (Code Gen Options): Warn about system headers in -fvisibiltity=
635 * doc/extend.texi (Other Builtins): Document that
636 __builtin_nan is a compile-time constant only when its argument
639 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
641 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
642 trying to remove TRUNCATE check if all bits outside the new mode
643 are identical to the sign bit.
645 2006-04-03 Jeff Law <law@redhat.com>
647 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
648 and operand scanning in some common cases.
650 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
651 Dale Johannesen <dalej@apple.com>
654 * regclass.c (struct reg_pref): Update documentation.
655 (regclass): Set prefclass to NO_REGS if memory is the best option.
656 (record_reg_classes): Cope with a prefclass set to NO_REGS.
657 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
658 into account. For non-registers, equate an empty preferred
659 reload class to a `!' in the constraint; move the if clause to
660 do so after those that reject the insn.
661 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
663 (find_dummy_reload): Likewise.
664 * doc/tm.texi (Register Classes): Document what it means
665 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
666 * config/i386/i386.c (ix86_preferred_reload_class): Force
667 using SSE registers (and return NO_REGS for floating-point
668 constants) if math is done with SSE.
669 (ix86_preferred_output_reload_class): New.
670 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
671 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
672 * config/i386/i386.md: Remove # register preferences.
674 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
677 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
678 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
680 (instantiate_parameters_1): Convert the operands before calling
681 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
682 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
684 2006-04-02 Roger Sayle <roger@eyesopen.com>
686 * builtins.c (dummy_object): Use build_int_cst instead of convert.
687 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
689 * dojump.c (do_jump): Likewise.
690 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
691 * gimplify.c (gimple_boolify, gimplify_init_constructor,
692 gimplify_boolean_expr): Likewise.
693 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
694 * varasm.c (array_size_for_constructor): Likewise.
695 * tree-object-size.c (compute_object_offset): Likewise.
697 2006-04-02 Roger Sayle <roger@eyesopen.com>
700 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
701 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
703 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
705 PR tree-optimization/26939
706 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
708 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
710 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
711 at_stmt. Convert the type of operands before calling
712 build_polynomial_chrec.
713 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
715 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
716 (instantiate_parameters_1): Convert the type of operands before calling
717 build_polynomial_chrec.
718 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
719 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
720 reset_evolution_in_loop): Insert asserts to check the types of the
722 (chrec_type): Moved...
723 (eq_evolutions_p): Use operand_equal_p.
724 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
725 the types of the operands.
726 (chrec_type): ...here.
727 * tree-data-ref.c (create_data_ref): Convert the operands before
728 calling chrec_replace_initial_condition.
729 (same_access_functions, analyze_subscript_affine_affine,
730 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
731 (compute_subscript_distance, analyze_ziv_subscript,
732 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
733 analyze_miv_subscript): Convert the operands before calling
734 chrec_fold_minus or chrec_fold_plus.
736 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
738 * tree-data-ref.c (compute_all_dependences): Use a pointer to
739 the dependence_relations vector.
740 (compute_data_dependences_for_loop): Adjust call to
741 compute_all_dependences.
743 2006-04-01 Roger Sayle <roger@eyesopen.com>
744 Richard Henderson <rth@redhat.com>
746 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
747 gimple_boolify on the condition before calling gimplify_expr.
749 2006-03-31 Bob Wilson <bob.wilson@acm.org>
751 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
752 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
753 the frame size. Update to use the new macros.
754 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
755 * config/xtensa/ieee754-df.S: Likewise.
757 2006-03-31 Richard Henderson <rth@redhat.com>
759 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
760 (make_edges): ... here. Control fallthru creation with a local
761 variable. Do not play with fake edges.
762 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
763 (make_goto_expr_edges): Don't play with fake edges. Make for_call
766 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
768 * dwarf2.h (DW64_CIE_ID): Define.
769 * dwarf2out.c (DWARF_CIE_ID): Define.
770 (output_call_frame_info): Output 0xffffffff before standard 8-byte
771 length header. Use DWARF_CIE_ID.
772 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
773 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
775 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
777 * config/sh/linux-atomic.asm: New file.
778 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
780 2006-03-31 DJ Delorie <dj@redhat.com>
782 * config/m32c/cond.md: Set condition flags properly throughout.
783 * config/m32c/minmax.md: Likewise.
784 * config/m32c/prologue.md: Likewise.
785 * config/m32c/bitops.md: Likewise.
786 * config/m32c/muldiv.md: Likewise.
787 * config/m32c/mov.md: Likewise.
788 * config/m32c/addsub.md: Likewise.
789 * config/m32c/m32c.md: Likewise.
790 * config/m32c/jump.md: Likewise.
791 * config/m32c/shift.md: Likewise.
793 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
794 conditionally output the pattern for this.
795 * config/m32c/m32c.c (flags_needed_for_conditional): New.
796 (m32c_compare_redundant): New.
797 (m32c_output_compare): New.
798 * config/m32c/m32c-protos.h (m32c_output_compare): New.
800 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
801 dest, not src. Allow other 4-byte modes.
803 2006-03-30 Denis Chertykov <denisc@overta.ru>
805 * doc/md.texi: Refer to avr/constraints.md instead of
808 2006-03-30 Roger Sayle <roger@eyesopen.com>
810 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
811 signed vs. unsigned comparison failures on some hosts.
813 2006-03-31 Alan Modra <amodra@bigpond.net.au>
816 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
817 change to FLOAT_REGS.
819 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
820 (rs6000_override_options): Use it.
821 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
822 only for -mabi=spe/no-spe and -mabi=altivec.
824 2006-03-30 Geoffrey Keating <geoffk@apple.com>
826 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
829 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
831 * Makefile.in: Rename docdir to gcc_docdir.
833 2006-03-30 Roger Sayle <roger@eyesopen.com>
836 * expr.c (emit_group_store): Optimize group stores into a pseudo
837 register by using a paradoxical subreg to initialize the destination
838 if the first or last member of the group specifies a "low part".
840 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
843 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
844 * target.h (struct gcc_target.speculate_insn): Change type of the
845 second parameter to 'int'.
846 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
847 the second operand of the DEPS_LIST.
848 (copy_DEPS_LIST_list): Update reference to the second operand of the
850 * rtl.h (alloc_DEPS_LIST): Update signature.
851 * sched-int.h (ds_t): Change typedef to 'int'.
852 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
854 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
856 * haifa-sched.c (try_ready): Change condition to restore
857 non-speculative pattern of the instruction.
858 (process_insn_depend_be_in_spec): Code to keep probability of the
859 speculative dependence non-decreasing.
861 2006-03-30 Jie Zhang <jie.zhang@analog.com>
863 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
864 (single_move_for_movmem): ... this. Also change all uses.
865 (bfin_expand_strmov): Renamed to...
866 (bfin_expand_movmem): ... this. Also change all uses.
867 * config/bfin/bfin.md (movstrsi): Renamed to...
870 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
872 PR tree-optimization/26830
874 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
875 (copy_prop_visit_stmt): Remove write-only variable ann.
876 (init_copy_prop): Check variable loop depth here. Do not simulate
877 memory-tag and virtual operand PHIs except for store copy prop.
879 2006-03-30 Richard Guenther <rguenther@suse.de>
881 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
882 variants with double arguments.
884 2006-03-29 David Edelsohn <edelsohn@gnu.org>
886 * genpreds.c (write_tm_constrs_h): Delete variable p.
887 * genconditions.c (write_header): Add tm-constrs.h to included
889 * genpeep.c (main): Add toplev.h to included headers.
890 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
891 (build/genpeep.o): Add toplev.h dependency.
892 * config/rs6000/constraints.md: Add "W" constraint.
894 2006-03-29 Roger Sayle <roger@eyesopen.com>
896 * stor-layout.c (mode_for_size_tree): Remove restiction on type
897 sizes by correctly testing whether the size fits a host integer.
898 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
899 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
900 SImode range for the default sizetype and bitsizetype.
902 2006-03-29 Roger Sayle <roger@eyesopen.com>
904 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
905 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
906 quickly if the argument is already of the correct type.
907 Call fold_build1 instead of build1. Tidy up blank lines.
909 2006-03-29 David Edelsohn <edelsohn@gnu.org>
911 * genemit.c (main): Add tm-constrs.h to included headers.
912 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
913 * genpeep.c (main): Add tm-constrs.h to included headers.
914 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
915 (write_tm_constrs_h): this and write complete file.
916 (write_tm_preds_h): Do not emit satisfies_constraint fns.
917 (write_insn_preds_c): Add tm-constrs.h to included headers.
918 (gen_constrs): New variable.
919 (parse_option): Parse "-c".
920 (main): Invoke write_tm_constrs_h.
921 * genrecog.c (write_header): Add tm-constrs.h to included headers.
922 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
923 (object_out_file): Add tm-constrs.h dependency.
925 (insn-output.o): Same.
927 (insn-preds.o): Same.
928 (insn-recog.o): Same.
929 (tm-constsr.h): New target.
930 (s-constrs-h): New target.
932 * config/rs6000/constraints.md: New file.
933 * config/rs6000/rs6000.c: Include tm-constrs.h.
934 (num_insn_constant_wide): Convert to satisfies_constraint.
935 (rs6000_rtx_costs): Convert to satisfies_constraint.
936 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
937 (CONST_OK_FOR_LETTER_P): Delete.
938 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
939 (EXTRA_CONSTRAINT): Delete.
940 (EXTRA_MEMORY_CONSTRAINT): Delete.
941 (EXTRA_ADDRESS_CONSTRAINT): Delete.
942 * config/rs6000/predicates.md: Convert to satisfies_constraint.
943 * config/rs6000/rs6000.md: Include constraints.md. Convert to
944 satisfies_constraint.
946 * config/i386/i386.c: Include tm-constrs.h.
948 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
950 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
951 * tree-data-ref.c (find_data_references_in_loop,
952 compute_data_dependences_for_loop): Use pointers to VEC.
953 (analyze_all_data_dependences): Adjust calls.
954 * tree-data-ref.h (find_data_references_in_loop,
955 compute_data_dependences_for_loop): Adjust declarations.
956 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
957 compute_data_dependences_for_loop.
959 2006-03-29 Paul Brook <paul@codesourcery.com>
961 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
964 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
966 PR tree-optimization/26859
967 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
969 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
970 for the step after fold_convert.
972 2006-03-29 Paul Brook <paul@codesourcery.com>
974 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
975 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
977 2006-03-29 Paul Brook <paul@codesourcery.com>
980 * targhooks.c (default_narrow_bitfield): New fuction.
981 * targhooks.h (default_narrow_bitfield): add prototype.
982 * target.h (gcc_target): Add narrow_volatile_bitfield.
983 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
984 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
985 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
986 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
988 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
990 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
992 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
993 (NR_C_MODES): Add TDmode, DDmode and SDmode.
994 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
995 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
996 (s390_function_arg_float): Allow SDmode and DDmode values to be
997 passed in floating point registers.
998 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
999 check with SCALAR_FLOAT_MODE_P.
1000 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1002 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1004 PR tree-optimization/25985
1005 * tree-ssa-loop-niter.c (number_of_iterations_le,
1006 number_of_iterations_ne): Make comments more precise.
1007 (number_of_iterations_cond): Add only_exit argument. Use the
1008 fact that signed variables do not overflow only when only_exit
1010 (loop_only_exit_p): New.
1011 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1012 number_of_iterations_cond.
1014 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1016 PR tree-optimization/26643
1017 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1020 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1022 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1023 (divsi3_i4_int): Likewise.
1025 2006-03-28 Roger Sayle <roger@eyesopen.com>
1027 * expr.c (emit_group_store): Only create a new pseudo reg if the
1028 quantity it needs to hold isn't already a suitable pseudo.
1030 2006-03-28 Jeff Law <law@redhat.com>
1032 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1033 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1035 2006-03-28 Roger Sayle <roger@eyesopen.com>
1037 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1038 the equivalent ~X & Y, and the symmetry related transformations.
1039 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1040 ~X & Y, and symmetry related transforms.
1042 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1044 Revert my 2006-03-27 patches.
1046 2006-03-28 Roger Sayle <roger@eyesopen.com>
1048 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1049 ~(T1)X, when T1 and T2 are integer types of the same precision
1050 and (T2)X isn't an extension.
1052 2006-03-28 Jeff Law <law@redhat.com>
1054 PR tree-optimization/26796
1055 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1056 need EH edge cleanups rather than purging them immediately.
1057 (eliminate_degenerate_phis): Handle queued EH cleanups.
1059 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1061 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1064 2006-03-27 Roger Sayle <roger@eyesopen.com>
1067 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1068 cast BIT_NOT_EXPR operand to the correct type.
1070 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1072 * tree-loop-linear.c: Don't include varray.h.
1073 (gather_interchange_stats, try_interchange_loops,
1074 linear_transform_loops): Use VEC instead of VARRAY.
1075 * lambda-mat.c: Don't include varray.h.
1076 * tree-chrec.c: Same.
1077 * lambda-trans.c: Same.
1078 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1079 VEC instead of VARRAY.
1080 * tree-vectorizer.h: Idem.
1081 * tree-data-ref.c (dump_data_references,
1082 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1083 initialize_data_dependence_relation, finalize_ddr_dependent,
1084 compute_all_dependences, find_data_references_in_loop,
1085 compute_data_dependences_for_loop, analyze_all_data_dependences,
1086 free_dependence_relation, free_dependence_relations,
1087 free_data_refs): Idem.
1088 * tree-data-ref.h (data_reference_p, subscript_p): New.
1089 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1090 VEC instead of VARRAY.
1091 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1092 (find_data_references_in_loop, compute_data_dependences_for_loop,
1093 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1094 dump_data_dependence_relations, free_dependence_relations,
1095 free_data_refs): Adjust declaration.
1096 (lambda_transform_legal_p): Move declaration here...
1097 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1098 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1099 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1100 vect_analyze_data_refs): Use VEC instead of VARRAY.
1101 * lambda.h (lambda_transform_legal_p): ...from here.
1102 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1103 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1104 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1105 tree-chrec.o): Don't depend on VARRAY_H.
1107 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1109 * rtl.def (Copyright): Update date.
1110 (DEPS_LIST): Change type of the second operand to 'int'.
1111 * target.h (Copyright): Update date.
1112 (struct gcc_target.speculate_insn): Change type of the second parameter
1114 * lists.c (Copyright): Update date.
1115 (alloc_DEPS_LIST): Change signature. Update reference to the second
1116 operand of the DEPS_LIST.
1117 (copy_DEPS_LIST_list): Update reference to the second operand of the
1119 * rtl.h (Copyright): Update date.
1120 (alloc_DEPS_LIST): Update signature.
1121 * sched-int.h (Copyright): Update date.
1122 (ds_t): Change typedef to 'int'.
1123 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1125 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1127 * haifa-sched.c (Copyright): Update date.
1128 (try_ready): Change condition to restore non-speculative pattern
1130 (process_insn_depend_be_in_spec): Code to keep probability of the
1131 speculative dependence non-decreasing.
1133 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1135 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1136 shut up the compiler.
1138 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1140 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1141 to use lib prefix for target.
1142 ($(T)libic_invalidate_array_4-200.a): Likewise.
1143 ($(T)libic_invalidate_array_4a.a): Likewise.
1145 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1146 J"orn Rennecke <joern.rennecke@st.com>
1148 * superh.opt: New file.
1149 * sh.c (boardtype, osruntime): Remove.
1150 * superh.h (SUBTARGET_OPTIONS): Remove.
1151 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1153 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1154 arguments with ^ and/or [].
1156 * config.gcc (sh-*-*): Add quoting to account for quirk of
1158 Replace == with = in enable_incomplete_targets test.
1160 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1161 with MASK_LITTLE_ENDIAN.
1163 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1164 * config/sh/sh.opt: Added to some comments.
1165 * config/sh/superh.h: Removed some chaff.
1167 * config/sh/sh.opt: Add m4-[1234]00* options.
1168 * config/sh/sh.c (sh_handle_option): Likewise.
1169 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1170 (ic_invalidate_array_4-100.o): New rule.
1171 ($(T)libic_invalidate_array_4-100.a): Likewise.
1172 (ic_invalidate_array_4-200.o): Likewise.
1173 ($(T)libic_invalidate_array_4-200.a): Likewise.
1174 (ic_invalidate_array_4a.o): Likewise.
1175 ($(T)libic_invalidate_array_4a.a): Likewise.
1176 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1177 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1179 * config/sh/crt1.asm: Merged in profiling code.
1180 * config/sh/superh.h (STARTFILE_SPEC): Override.
1181 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1182 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1183 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1185 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1186 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1187 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1189 * sh.opt (mpretend-cmove): New option.
1190 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1191 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1192 (movsicc): Add TARGET_PRETEND_CMOVE code.
1194 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1196 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1197 s390_class_max_nregs): New function prototypes.
1198 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
1199 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
1200 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1201 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1203 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1205 * dwarf2out.c (add_location_or_const_value_attribute): Call
1206 tree_add_const_value_attribute if nothing else works.
1207 (reference_to_unused): New.
1208 (rtl_for_decl_init): Use reference_to_unused to decide whether
1209 to output an initializer.
1211 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1214 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1215 peephole removing spe frob_di_df_2.
1217 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1219 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1220 (subscript_dependence_tester_1): Declared.
1221 (print_dir_vectors, print_dist_vectors): New.
1222 (debug_data_dependence_relation): New.
1223 (dump_data_dependence_relation): Print more details.
1224 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1225 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1226 (save_dist_v, save_dir_v, add_outer_distances,
1227 build_classic_dist_vector_1): New.
1228 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1229 Don't test for lambda_vector_lexico_pos.
1230 (same_access_functions, add_multivariate_self_dist,
1231 add_other_self_distances, dir_from_dist): New.
1232 (build_classic_dir_vector): Replace implementation almost identical to
1233 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1235 (subscript_dependence_tester_1): New.
1236 (subscript_dependence_tester): Handle the lexicographically negative
1237 distance vectors by recomputing the dependence relation.
1238 (compute_affine_dependence): Remove parameter loop_nest_depth.
1239 (compute_self_dependence): Don't call compute_subscript_distance.
1240 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1241 Add a parameter for the loop_nest.
1242 (find_loop_nest_1, find_loop_nest): New.
1243 (compute_data_dependences_for_loop): Compute the loop nest, and give
1244 up if the nest is not well formed.
1245 * tree-data-ref.h (loop_p): New.
1246 (struct data_dependence_relation): Replace size_vect field with
1247 loop_nest, a vec of loops.
1248 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1249 (DDR_LOOP_NEST): New.
1250 (print_dir_vectors, print_dist_vectors,
1251 debug_data_dependence_relation): Declared.
1252 (index_in_loop_nest): New.
1253 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1254 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1257 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1259 * simplify-rtx.c (simplify_relational_operation): Call
1260 simplify_relational_operation_1 even if mode is VOIDmode.
1262 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1264 PR tree-optimization/26804
1265 * tree.h (DECL_CALL_CLOBBERED): New macro.
1266 (tree_decl_common): Add call_clobbered_flag.
1267 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1268 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1269 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1270 (mark_non_addressable): Ditto.
1271 * tree-ssa.c (verify_call_clobbered): New function.
1272 (verify_alias_info): Use it.
1273 * tree-pass.h (pass_reset_cc_flags): New prototype.
1274 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1275 (reset_cc_flags): New function.
1276 * passes.c (init_optimization_passes): Call reset_cc_flags after
1277 initializing referenced_vars.
1279 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1280 Roger Sayle <roger@eyesopen.com>
1283 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1284 to 1.0 for non-real operands. Implement A / A optimization for
1287 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1289 * config/i386/i386.c (size_cost): Correct the comment for
1290 cost of storing fp registers.
1291 (i386_cost): Likewise.
1292 (i486_cost): Likewise.
1293 (pentium_cost): Likewise.
1294 (pentiumpro_cost): Likewise.
1295 (k6_cost): Likewise.
1296 (athlon_cost): Likewise.
1297 (k8_cost): Likewise.
1298 (pentium4_cost): Likewise.
1299 (nocona_cost): Likewise.
1300 (generic64_cost): Likewise.
1301 (generic32_cost): Likewise.
1303 2006-03-24 Denis Chertykov <denisc@overta.ru>
1305 * config/avr/avr-protos.h (extra_constraint): Delete.
1306 (extra_constraint_Q): New declaration.
1307 * config/avr/constraints.md: New file.
1308 * config/avr/avr.md: Include it.
1309 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1310 (TMP_REGNO, ZERO_REGNO): Likewise.
1311 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1312 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1313 (extra_constraint): Delete.
1314 (extra_constraint_Q): Test for memory constraint 'Q'.
1315 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1316 (REG_CLASS_FROM_LETTER): Delete.
1317 (CONST_OK_FOR_LETTER_P): Delete.
1318 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1319 (EXTRA_CONSTRAINT): Delete.
1320 (TMP_REGNO): Delete.
1321 (ZERO_REGNO): Delete.
1323 2006-03-24 Jeff Law <law@redhat.com>
1325 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1326 directly. Call mark_new_vars_to_rename slightly earlier.
1328 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1330 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1332 (gen_compile_unit_die): Use new language types for Objective-C and
1334 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1335 DW_LANG_C_plus_plus.
1338 * config/t-darwin (crt3.o): Work around bug 26840.
1339 * config/darwin-crt3.c: Rewrite.
1340 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1342 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1344 * doc/invoke.texi: Document -femit-class-debug-always
1345 * common.opt: Add -femit-class-debug-always.
1347 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1349 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1350 index and base register.
1351 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1352 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1353 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1354 REGNO_OK_FOR_INDEX_P.
1355 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1357 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1358 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1359 REG_OK_FOR_BASE_P): Definitions removed.
1361 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1364 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1365 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1366 set yet or weren't marked as local yet.
1368 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1370 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1373 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1375 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1376 (rs6000_legitimate_small_data_p): Delete.
1377 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1378 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1379 and make static. Add forward declaration. Update uses.
1380 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1381 of offsettable_memref_p.
1382 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1383 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1385 2006-03-24 Jeff Law <law@redhat.com>
1387 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1388 around bug in immediate-use iterator.
1390 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1393 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1394 or __LITTLE_ENDIAN__.
1396 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1398 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1399 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1400 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1401 * config/sh/sh.opt (mdiv=): Amend description.
1402 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1403 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1404 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1405 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1406 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1407 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
1408 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
1409 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
1410 TARGET_DIVIDE_CALL_FP.
1412 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1414 * haifa-sched.c (choose_ready): Fix type of the local variable.
1415 Move local variables. Add comment.
1416 (check_reg_live): Change signature. Make callable from debugger.
1417 * sched-int.h (check_reg_live): Update signature.
1418 * sched-ebb.c (check_reg_live): Update parameters.
1419 * sched-rgn.c (check_reg_live): Ditto.
1420 (region_head_or_leaf_p): Check pointer before dereferencing.
1421 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1422 before reload on optimization levels below 1.
1424 2006-03-23 Richard Henderson <rth@redhat.com>
1426 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1430 * config/alpha/predicates.md (local_symbolic_operand): Reject
1433 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1436 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1437 expressions which have overflowed constants.
1439 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1441 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1443 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1445 * cfgloopmanip.c (create_loop_notes): Removed.
1446 * final.c (final_scan_insn): Do not handle loop notes.
1447 * jump.c (squeeze_notes): Ditto.
1448 * cfglayout.c (skip_insns_after_block,
1449 duplicate_insn_chain): Ditto.
1450 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1452 * cfgloop.h (create_loop_notes): Declaration removed.
1454 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1456 * varasm.c (output_constant_pool): Restore fnname and fndecl
1458 (assemble_start_function): Adjust call accordingly.
1459 (assemble_end_function): Likewise.
1461 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1464 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1467 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1469 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1472 * system.h (ICE_EXIT_CODE): New macro.
1473 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1474 (diagnostic_action_after_output): Likewise.
1475 * gcc.c (fatal_ice): New function.
1476 (execute): Use it instead of fatal.
1477 (fancy_abort): Likewise.
1478 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1480 2006-03-22 Jeff Law <law@redhat.com>
1482 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1483 iv_analyze_result returning false.
1485 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1487 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1489 2006-03-22 Richard Henderson <rth@redhat.com>
1492 * except.c (duplicate_eh_regions_0): New.
1493 (duplicate_eh_region_1): Duplicate the children of the node as
1494 well as the node itself. Link them up properly.
1495 (duplicate_eh_region_2): Merge into ...
1496 (duplicate_eh_regions): ... here. Take copy_region argument, and
1497 copy only a sub-tree if asked. Simplify copying and fixup.
1498 (eh_region_outer_p): New.
1499 * except.h (duplicate_eh_regions): Update decl.
1500 (eh_region_outer_p): Declare.
1501 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1502 (lower_omp_master): Likewise.
1503 (lower_omp_ordered): Likewise.
1504 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1505 (move_stmt_r): Use it to remap labels. Handle recursion vs
1506 remap_decls_p properly.
1507 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1508 (find_outermost_region_in_block): New.
1509 (new_label_mapper): New.
1510 (move_sese_region_to_fn): Copy eh information to the new function
1512 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1514 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1517 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1519 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1520 into shared libraries.
1522 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1524 * doc/md.texi: Refer to i386/constraints.md instead of
1526 * config/i386/constraints.md: New file, extracted from...
1527 * config/i386/predicates.md: ...here.
1528 * config/i386/i386.md: Include constraints.md.
1530 2006-03-21 Jason Merrill <jason@redhat.com>
1532 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1535 * expr.c (init_block_move_fn): Force default visibility.
1536 (init_block_clear_fn): Likewise.
1537 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1538 * targhooks.c (default_external_stack_protect_fail): Likewise.
1540 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1542 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1543 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1544 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1545 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1546 (loadgp): Use mips_current_loadgp_style.
1547 (loadgp_noshared): New pattern.
1548 (sibcall_internal): Use MIPS_CALL.
1549 (sibcall_value_internal): Likewise.
1550 (sibcall_value_multiple_internal): Likewise.
1551 (call_internal): Likewise.
1552 (call_value_internal): Likewise.
1553 (call_value_multiple_internal): Likewise.
1554 (call_split): Use MIPS_CALL and add an 'S' constraint.
1555 (call_value_split): Likewise.
1556 (call_value_multiple_split): Likewise.
1557 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1558 (-mshared): New option.
1559 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1560 (mips_current_loadgp_style): Declare.
1561 * config/mips/mips.c (mips_classify_symbol): Avoid using
1562 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1563 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1564 TARGET_ABSOLUTE_ABICALLS.
1565 (override_options): Adjust comments. Improve the warning that is
1566 issued when -mabicalls and -G are used together.
1567 (mips_file_start): Remove comment.
1568 (mips_current_loadgp_style): New function.
1569 (mips_gnu_local_gp): New variable.
1570 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1572 (mips_output_function_prologue): Use mips_current_laodgp_style.
1573 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1574 the cprestore instruction.
1575 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1576 live for TARGET_ABSOLUTE_ABICALLS.
1577 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1578 (ASM_SPEC): Pass down -mshared and -mno-shared.
1579 (MIPS_CALL): New macro.
1580 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1582 * doc/invoke.texi (-mabicalls): Update documentation.
1583 (-mshared): Document.
1585 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1587 * config/ia64/unwind-hpux.c: New file.
1588 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1590 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1593 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1595 2006-03-21 Jeff Law <law@redhat.com>
1597 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1598 type conversions of a VR_VARYING source to a wider type.
1600 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1602 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1603 tm_file on Solaris 10 and later.
1604 (sparc64-*-solaris2*): Likewise.
1605 (sparc-*-solaris2*): Likewise.
1606 * config/sol26.h: Rename to config/sol2-6.h.
1607 * config/sol2-10.h: New file.
1609 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1612 * tree-ssa-pre.c (create_component_ref_by_pieces):
1615 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1618 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1619 return it immediately.
1621 2006-03-21 Michael Matz <matz@suse.de>
1623 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1625 (remove_arc, add_arc): Update num_out_arcs member.
1626 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1628 (cache_presence): New function.
1629 (compare_states_for_equiv): New function.
1630 (state_is_differed): Don't take number of outargs, adjust callers.
1631 Use new invariant for speeding up.
1632 (init_equiv_class): Create initial classes based on sorted
1634 (partition_equiv_class): Don't track out_arcs_num.
1635 (evaluate_equiv_classes): Call cache_presence on all states and
1638 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1640 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1641 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1642 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1643 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1645 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1646 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1647 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1648 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1649 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1651 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1652 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1653 (REGNO_REG_CLASS): ARGP is in PREGS.
1654 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1656 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1657 to deal with those addresses.
1658 * addresses.h: New file.
1659 * caller-save.c: Include "addresses.h".
1660 (init_caller_save): Use new base_reg_class function.
1661 * rtl-factoring.c: Include "addresses.h".
1662 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1663 * recog.c: Include "addresses.h".
1664 (preprocess_constraints): Use new base_reg_class function.
1665 * regrename.c: Include "addresses.h".
1666 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1667 functions. Keep track of a new var INDEX_CODE to compute valid
1669 (replace_oldest_value_addr): Likewise.
1670 (replace_oldest_value_mem): Use base_reg_class.
1671 * reload.c: Include "addresses.h".
1672 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1673 (find_reloads): Use new base_reg_class function.
1674 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1675 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1676 all callers and prototype changed.
1677 * reload1.c: Include "addresses.h".
1678 (maybe_fix_stack_asms): Use base_reg_class.
1679 * regclass.c: Include "addresses.h".
1680 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1681 (init_reg_autoinc): Use new base_reg_class function.
1682 (record_reg_classes): Likewise.
1683 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1684 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1685 Use new args to compute necessary class.
1687 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1688 regrename.o, rtl-factoring.o): Update dependencies.
1689 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1690 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1691 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1692 REG_OK_FOR_INDEX_P): Delete documentation.
1694 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1696 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1697 from V7 to V9 for Solaris 7 and above.
1699 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1701 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1702 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1703 argument pointers may not alias any other storage.
1704 * common.opt: Define option -fargument-noalias-anything.
1705 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1706 alias semantics is specified by flag_argument_noalias > 2.
1708 2006-03-20 Jeff Law <law@redhat.com>
1710 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1711 (pass_phi_only_cprop): Declare.
1712 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1714 * tree-ssa-dom.c (degenerate_phi_result): New function.
1715 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1716 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1717 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1718 (eliminate_degenerate_phis): Likewise.
1719 (pass_phi_only_cprop): New pass descriptor.
1720 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1721 support code. Callers updated.
1722 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1723 (store_copy_prop): Likewise.
1724 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1726 2006-03-20 Jason Merrill <jason@redhat.com>
1729 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1730 (push_visibility, pop_visibility): Likewise.
1731 * c-pragma.h: Declare them.
1733 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1735 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1737 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1738 parameter and use get_ebb_head_tail.
1739 (sh_md_init_global): Adjust uses of find_regmode_weight.
1741 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1743 * function.h (struct function) <x_tail_recursion_reentry>:
1744 Rename to x_stack_check_probe_note.
1745 (tail_recursion_reentry): Rename to stack_check_probe_note.
1746 * function.c: Replace tail_recursion_reentry with
1747 stack_check_probe_note everywhere.
1748 (expand_function_start): Only emit a note for
1749 stack_check_probe_note with -fstack-protect.
1750 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1752 * emit-rtl.c (remove_unnecessary_notes): Remove.
1753 (pass_remove_unnecessary_notes): Remove.
1754 * rtl.h (remove_unnecessary_notes): Remove prototype.
1755 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1756 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1757 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1759 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1762 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1763 (valid_in_set): Handle ARRAY_REF.
1764 Change "if min_variant or VH" to asserts.
1765 (create_component_ref_by_pieces): Handle ARRAY_REF.
1766 (create_expression_by_pieces): Likewise.
1767 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1769 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1771 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1772 is operand of switch, not str[0].
1774 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1776 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1777 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1779 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1781 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1782 end of insn_extra_address_constraint declaration.
1784 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1786 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1787 (no-sum-in-toc): Same.
1788 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1790 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1791 NO_FP_IN_TOC for -fPIC instead of mask.
1793 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1794 (BOOT_LDFLAGS): Delete.
1796 * config/rs6000/t-aix52: Same.
1798 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1799 (stmsi[345678]_power): New.
1801 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1803 * config/ia64/ia64.opt: Add empty line to end of file.
1805 2006-03-17 Richard Guenther <rguenther@suse.de>
1808 * builtins.c (get_pointer_alignment): For component style references
1809 adjust alignment to the component type alignment. Make sure
1810 to adjust alignment for component access of constants.
1812 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1814 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1817 2006-03-17 Paul Brook <paul@codesourcery.com>
1819 * doc/install.texi: Docuemnt --with-mode.
1820 * config.gcc: Add --with-mode for arm*-*-*.
1821 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1823 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1825 * sh.c (max_labelno_before_reorg): New variable.
1826 (sh_reorg): Initialize it.
1827 (find_barrier): Check max_labelno_before_reorg before using
1828 label_to_alignment. Take length of explicit alignment insns
1829 into account. When seeing a UNSPECV_CONST_END, return it.
1831 * sh.c (fixup_mova): Set mode of affected label to QImode.
1832 (untangle_mova): New function.
1833 (find_barrier): Use it. Check mode of label before decrementing
1835 (sh_reorg): Likewise.
1836 Set mode of all insns back to VOIDmode.
1838 * sh.c (MOVA_LABELREF): New macro.
1839 (mova_p, fixup_mova, sh_reorg): Use it.
1840 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1841 ADDR_DIFF_VEC matches mova.
1843 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1845 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1846 with ATTRIBUTE_UNUSED.
1848 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1850 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1851 pointer, instead of assuming it is possible to derive the
1852 correct args size from a call insn.
1854 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1856 * rtl.h (CONST_INT_P): Define.
1857 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1858 instead of GET_CODE(x) == CONST_INT.
1859 (vax_rtx_costs): Likewise.
1860 (vax_output_int_move): Likewise.
1861 (vax_output_int_add): Likewise.
1862 (legitimate_constant_address_p): Likewise.
1863 (index_term_p): Likewise.
1864 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1865 * config/vax/vax.md (and<mode>3): Likewise.
1866 (ashrsi3): Likewise.
1868 (movstricthi): Likewise.
1869 (movstrictqi): Likewise.
1870 (rotrsi3): Likewise.
1871 (five unnamed insns): Likewise.
1873 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1875 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1876 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1877 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1878 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1879 Pass to ASM_OUTPUT_DWARF_OFFSET.
1880 * dwarf2out.c (debug_frame_section): New.
1881 (output_call_frame_info): Use debug_frame_section. Pass it to
1882 dw2_asm_output_offset.
1883 (output_die): Pass appropriate section to dw2_asm_output_offset.
1884 (output_compilation_unit_header): Likewise.
1885 (output_pubnames): Likewise.
1886 (output_aranges): Likewise.
1887 (enum dw_val_class): Break dw_val_class_lbl_offset into
1888 dw_val_class_lineptr and dw_val_class_macptr.
1889 (add_AT_lbl_offset): Delete.
1890 (add_AT_lineptr): New.
1891 (add_AT_macptr): New.
1892 (AT_lbl): Expect a lineptr or macptr.
1893 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1894 (attr_checksum): Likewise.
1895 (same_dw_val_p): Likewise.
1896 (size_of_die): Likewise.
1897 (value_format): Likewise.
1898 (output_die): Likewise.
1899 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1901 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1902 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1903 * config/darwin-protos.h (darwin_file_start): New.
1904 (darwin_asm_output_dwarf_offset): New.
1905 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1906 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1908 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1909 if not EH section; simplify.
1910 (darwin_file_start): New.
1911 (darwin_asm_output_dwarf_offset): New.
1912 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1914 (DEBUG_INFO_SECTION): Likewise.
1915 (DEBUG_ABBREV_SECTION): Likewise.
1916 (DEBUG_ARANGES_SECTION): Likewise.
1917 (DEBUG_MACINFO_SECTION): Likewise.
1918 (DEBUG_LINE_SECTION): Likewise.
1919 (DEBUG_LOC_SECTION): Likewise.
1920 (DEBUG_PUBNAMES_SECTION): Likewise.
1921 (DEBUG_STR_SECTION): Likewise.
1922 (DEBUG_RANGES_SECTION): Likewise.
1923 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1924 (ASM_OUTPUT_DWARF_OFFSET): New.
1926 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1928 * config.gcc (tm_defines): Always add to previous value rather
1931 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1933 * config/mips/predicates.md (splittable_const_int_operand): New,
1934 split from move_operand.
1935 (splittable_symbolic_operand): New.
1936 (move_operand): Add commentary. Use splittable_const_int_operand.
1937 Inline mips_atomic_symbolic_constant_p.
1938 * config/mips/mips.md: Add combine splitters for handling moves
1939 of splittable_const_int_operands and splittable_symbolic_operands.
1940 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1941 (mips_split_symbol): Declare.
1942 (mips_move_integer): Declare.
1943 * config/mips/mips.c (mips_split_p): Make global.
1944 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1945 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1946 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1947 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1948 (mips_offset_within_object_p): Handle block symbols.
1949 (mips_atomic_symbolic_constant_p): Delete.
1950 (mips_cannot_force_const_mem): Return false for constants that
1951 mips_legitimize_move can handle.
1952 (mips_use_blocks_for_constant_p): New function.
1953 (mips_split_symbol): Make global.
1954 (mips_move_integer): Likewise. Add a temporary register argument.
1955 (mips_legitimize_const_move): Use splittable_const_int_operand and
1956 splittable_symbolic_operand.
1957 (mips_use_anchors_for_symbol_p): New function.
1958 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1959 (mips_split_p): Declare.
1961 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1963 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1964 (mips*-*-linux*): Likewise.
1966 2006-03-16 Roger Sayle <roger@eyesopen.com>
1967 Daniel Speyer <dspeyer@wam.umd.edu>
1970 * tree-dump.c (dump_real): New function.
1971 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1972 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1973 (tree-dump.o): Add $(REAL_H) to the dependencies.
1975 2006-03-16 Roger Sayle <roger@eyesopen.com>
1978 * real.c (real_from_string): If the mantissa is zero, don't bother
1979 parsing the exponent as the result should always be zero.
1981 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1983 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1985 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1987 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1988 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1989 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1990 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1991 ia64_sched_finish_global): New static functions to implement
1992 hooks from gcc_target.sched.
1993 (spec_check_no, max_uid, pending_data_specs): New static variables.
1994 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1995 ia64_spec_check_src_p): New static functions.
1996 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1997 (TARGET_SCHED_ADJUST_COST): Removed.
1998 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1999 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2000 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2001 TARGET_SCHED_GEN_CHECK,
2002 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2003 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2004 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2005 Fixed to handle speculation checks.
2006 (rtx_needs_barrier): Fixed to handle speculative loads and
2008 (ia64_variable_issue): Added code to count speculative loads and their
2010 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2012 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2014 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2016 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2017 (ia64_reorg): Reset stops_p to NULL after it is freed.
2018 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2019 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2020 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2022 (data_speculative, control_speculative, check_load): New attributes.
2023 (mov<mode>_advanced, mov<mode>_speculative,
2024 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2025 zero_extend<mode>di2_speculative,
2026 zero_extend<mode>di2_speculative_advanced): New patterns for
2027 data and control speculative loads.
2028 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2030 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2031 New pattern for data and control speculation checks.
2032 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2033 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2034 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2035 Auxiliary definitions for the patterns.
2036 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2037 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2039 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2041 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2042 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2043 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2044 New resource constraints.
2045 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2047 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2048 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2049 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2050 msched-in-control-spec, msched-ldc, msched-control-ldc,
2051 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2052 msched-prefer-non-control-spec-insns,
2053 msched-count-spec-in-critical-path): New flags to tune speculative
2055 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2056 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2057 msched-in-control-spec, msched-ldc, msched-control-ldc,
2058 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2059 msched-prefer-non-control-spec-insns,
2060 msched-count-spec-in-critical-path): Document new flags.
2062 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2064 * target.h (struct spec_info_def): New opaque declaration.
2065 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2066 speculate_insn, needs_block_p, gen_check,
2067 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2068 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2069 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2070 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2071 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2072 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2074 (TARGET_SCHED): Use new macros.
2075 * rtl.h (copy_DEPS_LIST_list): New prototype.
2076 * sched-int.h (struct sched_info): Change signature of new_ready field,
2077 adjust all initializations. New fields: add_remove_insn,
2078 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2079 region_head_or_leaf_p.
2080 (struct spec_info_def): New structure declaration.
2081 (spec_info_t): New typedef.
2082 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2083 recovery_block, orig_pat.
2084 (glat_start, glat_end): New variables declaraions.
2085 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2087 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2088 DETACH_LIFE_INFO, USE_GLAT.
2089 (enum SPEC_SCHED_FLAGS): New enumeration.
2090 (NOTE_NOTE_BB_P): New macro.
2091 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2092 attach_life_info, debug_spec_status, check_reg_live): New functions.
2093 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2094 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2096 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2097 * ddg.c (get_block_head_tail): Adjust all uses.
2098 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2099 (sms_sched_info): Initialize new fields.
2100 (contributes_to_priority): Removed.
2101 * haifa-sched.c (params.h): New include.
2102 (get_block_head_tail): Adjust all uses.
2103 (ISSUE_POINTS): New macro.
2104 (glat_start, glat_end): New global variables.
2105 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2106 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2107 old_last_basic_block, before_recovery, current_sched_info_var,
2108 rgn_n_insns, luid): New static variables.
2109 (insn_cost1): New function. Move logic from insn_cost to here.
2110 (find_insn_reg_weight1): New function. Move logic from
2111 find_insn_reg_weight to here.
2112 (reemit_notes, move_insn, max_issue): Change signature.
2113 (move_insn1): Removed.
2114 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2115 extend_bb): New static functions to support extension of scheduler's
2117 (generate_recovery_code, process_insn_depend_be_in_spec,
2118 begin_speculative_block, add_to_speculative_block,
2119 init_before_recovery, create_recovery_block, create_check_block_twin,
2120 fix_recovery_deps): New static functions to support
2121 generation of recovery code.
2122 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2123 restore_bb_notes, move_block_after_check, move_succs): New static
2124 functions to support ebb scheduling.
2125 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2126 functions to support handling of register live information.
2127 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2128 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2129 add_jump_dependencies): New static functions.
2130 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2131 consistancy checking.
2132 (debug_spec_status): New function to call from debugger.
2133 (priority): Added code to handle speculation checks.
2134 (rank_for_schedule): Added code to distinguish speculative instructions.
2135 (schedule_insn): Added code to handle speculation checks.
2136 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2137 Fixed to handle ebbs.
2138 (move_insn): Added code to handle ebb scheduling.
2139 (max_issue): Added code to use ISSUE_POINTS of instructions.
2140 (choose_ready): Added code to choose between speculative and
2141 non-speculative instructions.
2142 (schedule_block): Added code to handle ebb scheduling and scheduling of
2143 speculative instructions.
2144 (sched_init): Initialize new variables.
2145 (sched_finish): Free new variables. Print statistics.
2146 (try_ready): Added code to handle speculative instructions.
2147 * lists.c (copy_DEPS_LIST_list): New function.
2148 * sched-deps.c (extend_dependency_caches): New function. Move logic
2149 from create_dependency_caches to here.
2150 (get_dep_weak, ds_merge): Make global.
2151 * genattr.c (main): Code to output prototype for
2152 dfa_clear_single_insn_cache.
2153 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2154 (output_dfa_clean_insn_cache_func): Code to output
2155 dfa_clear_single_insn_cache function.
2156 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2158 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2160 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2161 New static variables.
2162 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2163 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2165 (ebb_sched_info): Initialize new fields.
2166 (get_block_head_tail): Adjust all uses.
2167 (compute_jump_reg_dependencies): Fixed to use glat_start.
2168 (schedule_ebb): Code to remove unreachable last block.
2169 (schedule_ebbs): Added code to update register live information.
2170 * sched-rgn.c (region_sched_info): Initialize new fields.
2171 (get_block_head_tail): Adjust all uses.
2172 (last_was_jump): Removed. Adjust users.
2173 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2174 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2175 Implement new hooks.
2176 (check_dead_notes1): New static function.
2177 (struct region): New fields: dont_calc_deps, has_real_ebb.
2178 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2179 (BB_TO_BLOCK): Fixed to handle EBBs.
2180 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2181 (ebb_head): New static variable.
2182 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2183 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2185 (compute_dom_prob_ps): New assertion.
2186 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2187 global_live_at_start.
2188 (init_ready_list): New assertions.
2189 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2190 (new_ready): Add support for BEGIN_CONTROL speculation.
2191 (schedule_insns): Fixed code that updates register live information
2193 (schedule_region): Fixed to handle EBBs.
2194 (init_regions): Use extend_regions and check_dead_notes1.
2195 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2196 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2197 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2198 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2199 TARGET_SCHED_GEN_CHECK,
2200 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2201 TARGET_SCHED_SET_SCHED_FLAGS): Document.
2202 * doc/invoke.texi (max-sched-insn-conflict-delay,
2203 sched-spec-prob-cutoff): Document.
2205 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2207 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2208 inter_tick, queue_index.
2209 (struct sched_info): Change signature of init_ready_list field.
2210 Adjust all initializations.
2211 (RESOLVED_DEPS): New access macro.
2212 (ready_add): Remove prototype.
2213 (try_ready): Add prototype.
2214 * sched-rgn.c (init_ready_list): Use try_ready.
2215 (schedule_region): Initialize
2216 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2217 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2218 (init_ready_list): Use try_ready.
2219 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2220 * lists.c (remove_list_elem): Remove `static'.
2221 (remove_free_INSN_LIST_elem): New function.
2222 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2223 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2224 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2226 (readyp): New variable.
2227 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2228 change_queue_index, resolve_dep): New static functions.
2229 (try_ready): New function. Adjust callers in sched-rgn.c and
2230 sched-ebb.c to use it instead of ready_add.
2231 (clock_var): Move at the begining of file.
2232 (rank_for_schedule): Fix typo.
2233 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2234 (ready_lastpos): Enforce assertion.
2235 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2237 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2238 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2239 (queue_to_ready): Use free_INSN_LIST_list.
2240 (early_queue_to_ready): Fix typo.
2241 (schedule_block): Init readyp. Move init_ready_list call after the
2242 initialization of clock_var. Fix error in rejecting insn by
2243 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2244 that previously corrected INSN_TICKs. Add code for handling
2246 (set_priorities): Fix typo.
2247 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2248 Clarify comment and code that keeps current_sched_info->next_tail
2251 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2253 * sched-rgn.c (extend_rgns): New static function.
2254 (find_rgns): Use it.
2255 (gather_region_statistics, print_region_statistics): New static
2257 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2258 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2260 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2261 Andrey Belevantsev <abel@ispras.ru>
2263 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2264 * lists.c (unused_deps_list): New variable.
2265 (free_list): Add assertions to verify the proper distinguishing
2266 between INSN_LISTs and DEPS_LISTs.
2267 (find_list_elem, remove_list_elem, remove_list_node): New static
2269 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2270 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2271 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2272 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2274 (free_INSN_LIST_node): Likewise.
2275 * modulo-sched.c (current_sched_info): Initialize flags field.
2276 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2277 * rtl.def (DEPS_LIST): Define.
2278 * rtl.h: Declare new functions from lists.c.
2279 * sched-deps.c (spec_dependency_cache): New static variable.
2280 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2281 (add_dependence): Change return type to void. Move the logic to ...
2282 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2283 (delete_all_dependences): Add comment about forward_dependency_cache.
2284 Handle spec_dependency_cache. Handle DEPS_LISTs.
2285 (fixup_sched_groups): Clarify the change of priority of output
2286 and anti dependencies.
2287 (sched_analyze_2): Adjust add_dependence calls to create data
2288 speculative dependence.
2289 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2290 Adjust all callers. Handle DEPS_LISTS.
2291 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2292 presence of speculation.
2293 (init_dependency_caches, free_dependency_caches):
2294 Handle spec_dependency_cache.
2295 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2296 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2297 New static functions.
2298 (add_or_update_back_dep, add_or_update_back_forw_dep,
2299 add_back_forw_dep, delete_back_forw_dep): New functions.
2300 * sched-int.h (ds_t, dw_t): New typedefs.
2301 (struct sched_info): Add new field flags.
2302 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2303 Prototype new sched-deps.c functions.
2304 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2305 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2306 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2307 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2308 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2309 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2311 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2313 * sched-rgn.c (current_sched_info): Initialize flags field.
2314 (schedule_insns): Initialize current_sched_info before the sched_init
2316 * sched-ebb.c (current_sched_info): Initialize flags field.
2317 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2318 Call add_or_update_back_dep instead of add_dependence.
2319 Create control speculative dependencies.
2320 (schedule_insns): Initialize current_sched_info before the sched_init
2323 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2325 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2327 (sh_fallback_frame_state): Likewise.
2329 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2331 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2332 Do switch on default_use_cxa_atexit.
2333 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2334 * config/darwin-crt3.o: New.
2335 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2336 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2337 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2339 * config/rs6000/t-darwin: Move crt2.o building to here.
2340 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2341 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2344 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2346 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2347 from '! xxx' to '!xxx' for coding-style conformance.
2348 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2349 (EXTRA_CONSTRAINT): Likewise.
2350 * config/vax/vax.md (four unnamed insns): Likewise.
2352 2006-03-15 Paul Brook <paul@codesourcery.com>
2354 * config/arm/arm.c (minipool_pad): New.
2355 (add_minipool_forward_ref): Include pool alignment padding in address
2357 (push_minipool_fix): Set minipool_pad.
2358 (minipool_pad): Ditto.
2360 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2362 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2363 instead of GET_CODE() == MEM and REG_P() instead of
2365 (print_operand_address): Likewise.
2366 (vax_address_cost): Likewise.
2367 (vax_rtx_costs): Likewise.
2368 (vax_notice_update_cc): Likewise.
2369 (vax_output_int_add): Likewise.
2370 (INDEX_REGISTER_P): Likewise.
2371 (BASE_REGISTER_P): Likewise.
2372 (nonindexed_address_p): Likewise.
2373 (vax_mode_dependent_address_p): Likewise.
2374 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2375 (PRINT_OPERAND): Likewise.
2376 * config/vax/vax.md (ashlsi3): Likewise.
2377 (ashlsi3): Likewise.
2378 (some more unnamed insns): Likewise.
2380 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2382 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2383 iterator-style macro.
2384 (mark_control_dependent_edges_necessary): Update the use of
2385 EXECUTE_IF_CONTROL_DEPENDENT.
2387 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2389 * config/sh/predicates.md (cache_address_operand): Special.
2390 (ua_address_operand): Likewise.
2392 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2394 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2396 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2398 2006-03-15 Andreas Schwab <schwab@suse.de>
2400 * gensupport.c (identify_predicable_attribute): Don't free p_false
2401 when it is still in use.
2403 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2405 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2406 the default setting here.
2408 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
2410 * tree-pass.h (pass_cfg): Remove.
2411 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
2412 * passes.c (pass_cfg): Don't run it.
2414 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
2416 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
2417 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2419 (stack_regs_mentioned): Update the uses of
2420 stack_regs_mentioned_data. Don't access the array beyond its
2422 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2423 Don't include gt-reg-stack.h.
2425 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2426 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2428 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2431 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2434 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2436 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2438 2006-03-14 Richard Guenther <rguenther@suse.de>
2440 PR tree-optimization/26672
2441 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2444 2006-03-14 Richard Guenther <rguenther@suse.de>
2446 PR tree-optimization/26667
2447 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2448 node for the callees. Always allow inlining if it will shrink
2451 2006-03-14 Richard Guenther <rguenther@suse.de>
2454 * builtins.c (get_pointer_alignment): Prefer alignment
2455 information from decls over that from types.
2457 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2460 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2462 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2464 * config/rs6000/rs6000.opt (mdlmzb): New option.
2465 (msched-prolog, msched-epilog): Use Var not Mask.
2466 * doc/invoke.texi (-mdlmzb): Document.
2467 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2469 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2470 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2472 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2474 PR rtl-optimization/25739
2475 * bt-load.c (augment_live_range): Free tos pointer.
2477 * gensupport.c (identify_predicable_attribute): Free
2479 * gcov.c (create_file_names): Free name pointer.
2481 2006-03-13 Roger Sayle <roger@eyesopen.com>
2484 * stmt.c (emit_case_nodes): Handle the case where the index is a
2485 CONST_INT, where the comparison mode is specified by the index type.
2487 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2489 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2492 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2494 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2495 (*branch_fp_inverted): Likewise.
2497 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2500 * omp-low.c (expand_omp_for_generic): Mark istart0
2501 and iend0 as addressable.
2503 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2505 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2507 2006-03-13 Jeff Law <law@redhat.com>
2509 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2510 virtual operands are interesting.
2511 (vrp_visit_stmt): Corresponding changes.
2513 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2515 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2517 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2518 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2519 * config/bfin/crti.S: Use it instead of __PIC__.
2520 * config/bfin/crtn.S: Likewise.
2522 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2523 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2525 Lose 'G' modifier for call operand.
2526 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2527 recognize 'G' modifier.
2529 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2532 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2533 * stmt.c (expand_case): Likewise.
2535 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2537 PR rtl-optimization/26254
2538 * loop-invariant.c (seq_insns_valid_p): New function.
2539 (move_invariant_reg): Only emit new code if it is valid.
2541 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2543 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2545 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2546 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2547 (commit_one_edge_insertion): Do not look for loop notes.
2549 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2551 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2552 flag_test_coverage out of loop.
2554 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2556 * final.c (shorten_branches): Remove outdated comment, and turn
2557 the if branch that guards it to continue.
2559 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2561 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2562 * cfgloop.h (struct loop): Remove unused fields.
2564 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2566 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2567 (-dL, -fdump-rtl-loop2): Update the dump file names
2569 * doc/invoke.texi: Update dump file names.
2571 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2573 * predict.c (estimate_probability): Remove.
2574 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2575 * basic-block.h (estimate_probability): Remove prototype.
2576 * passes.c (finish_optimization_passes): Dump branch prediction or
2577 profiling heuristics to the .profile tree dump.
2578 (init_optimization_passes): Unqueue pass_branch_prob.
2580 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2582 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2584 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2585 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2587 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2589 * function.h (frame_offset_overflow): Declare.
2590 * function.c (frame_offset_overflow): New function.
2591 (assign_stack_local_1): Call it to detect that the offset overflows.
2592 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2594 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2596 * config/sh/sh.c: Include alloc-pool.h.
2597 (label_ref_list_pool): New alloc pool.
2598 (label_ref_list_t): New type for lists of labels.
2599 (struct pool_node): Make wend a label_ref_list_t.
2600 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2602 (dump_table): Likewise.
2603 (sh_reorg): Set up the alloc pool before using add_constant and
2604 dump_table, and destroy it when finishing.
2606 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2608 * config/mips/mips.c: Remove redundant comment.
2610 2006-03-10 Jason Merrill <jason@redhat.com>
2613 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2614 the target was declared 'register'.
2616 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2618 * genpreds.c (write_insn_constraint_len): Change definition of
2619 insn_constraint_len to return size_t to match the declaration.
2621 2006-03-10 DJ Delorie <dj@redhat.com>
2623 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2625 (m32c_expand_insv): Fix test for an AND mask.
2627 2006-03-10 Richard Guenther <rguenther@suse.de>
2630 * builtins.c (get_pointer_alignment): Handle component
2631 references for field alignment.
2633 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2635 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2636 when building with libgloss.
2637 (sh*elf): Implement --without-fp option.
2638 (sh64-superh-linux*): Don't multilib.
2640 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2642 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2644 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2646 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2647 Set it when one of the replacement functions returned true.
2648 Return TODO_cleanup_cfg if cfgchanged is true.
2649 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2651 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2653 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2654 instead of gen_lowpart.
2656 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2658 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2660 (mips_output_order_conditional_branch): Declare.
2661 * config/mips/mips.h (MIPS_BRANCH): New macro.
2662 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2663 for the comparison. Use gen_condjump.
2664 (mips_output_conditional_branch): Rework interface to take the
2665 asm templates for a direct branch and the inverse of a direct branch.
2666 (mips_output_order_conditional_branch): New function.
2667 (mips_builtin_branch_and_move): New function.
2668 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2669 branch condition. Use gen_single_cc as the condition for
2670 __builtin_mips_upper_* or __builtin_mips_lower_*.
2671 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2672 Use VOIDmode for the branch condition.
2673 * config/mips/predicates.md (order_operator): New predicate.
2674 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2675 (branch_fp): Rename to...
2676 (*branch_fp): ...this. Remove mode from comparison operator.
2677 Use new mips_output_conditional_branch interface.
2678 (branch_fp_inverted): Rename to...
2679 (*branch_fp_inverted): ...this and update as for *branch_fp.
2680 (*branch_zero<mode>): Rename to...
2681 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2682 Use mips_output_order_conditional_branch. Only accept ordered
2684 (*branch_zero<mode>_inverted): Rename to...
2685 (*branch_order<mode>_inverted): ...this and update as for
2686 *branch_order<mode>.
2687 (*branch_equality<mode>): Accept zero as the second operand to
2688 the equality operator. Use the new mips_output_conditional_branch
2690 (*branch_equality<mode>_inverted): Likewise.
2691 (condjump): New expander.
2692 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2694 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2695 (bc1any2t, bc1any2f): Likewise.
2696 (single_cc): New expander.
2697 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2699 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2701 * doc/md.texi: Update documentation of MIPS constraints.
2702 * config/mips/constraints.md: New file.
2703 * config/mips/mips.md: Include it.
2704 * config/mips/mips.c (mips_char_to_class): Delete.
2705 (override_options): Don't initialize mips_char_to_class.
2706 * config/mips/mips.h (mips_char_to_class): Delete.
2707 (REG_CLASS_FROM_LETTER): Delete.
2708 (CONST_OK_FOR_LETTER_P): Delete.
2709 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2710 (EXTRA_CONSTRAINT_Y): Delete.
2711 (EXTRA_CONSTRAINT_STR): Delete.
2712 (CONSTRAINT_LEN): Delete.
2713 (EXTRA_MEMORY_CONSTRAINT): Delete.
2715 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2717 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2718 original fn's eh regions.
2720 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2722 * fold-const.c (build_range_check): Make sure to use a valid type to
2723 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2726 (range_predecessor): New static function.
2727 (range_successor): Likewise.
2728 (merge_ranges): Use them to compute predecessors and successors of
2731 2006-03-09 Roger Sayle <roger@eyesopen.com>
2734 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2735 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2737 2006-03-08 DJ Delorie <dj@redhat.com>
2739 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2740 (addpsi3): Expand to include memory operands. Remove
2741 reload-specific splits.
2742 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2743 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2744 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2745 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2746 (shift1_qi, shift1_hi, insv): New.
2747 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2748 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2749 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2751 * config/m32c/m32c-protos.h: Update as needed.
2752 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2753 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2754 Fail for unrecognized R* constraints.
2755 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2756 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2757 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2759 (m32c_init_libfuncs): New.
2760 (m32c_legitimate_address_p): Add debug wrapper.
2761 (m32c_rtx_costs): New.
2762 (m32c_address_cost): New.
2763 (conversions): Add 'B' prefix.
2764 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2765 operands, or word regnames for QI operands. 'B' prints bit
2767 (m32c_expand_setmemhi): New.
2768 (m32c_expand_movmemhi): New.
2769 (m32c_expand_movstr): New.
2770 (m32c_expand_cmpstr): New.
2771 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2772 (m32c_expand_neg_mulpsi3): Handle non-ints.
2773 (m32c_cmp_flg_0): New.
2774 (m32c_expand_movcc): New.
2775 (m32c_expand_insv): New.
2776 (m32c_scc_pattern): New.
2777 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2778 a0/a1 out of SIregs.
2779 (STORE_FLAG_VALUE): New.
2780 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2783 * config/m32c/mov.md: Make constraints more liberal.
2784 (zero_extendqihi2): Optimize r0/r1 case.
2785 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2786 * config/m32c/predicates.md (m32c_any_operand): New.
2787 (m32c_nonimmediate_operand): New.
2788 (m32c_hl_operand): New.
2789 (m32c_r3_operand): New.
2792 (memsym_operand): New.
2793 (memimmed_operand): New.
2794 (a_qi_operand): New.
2795 (m32c_eqne_operator): New.
2796 (m32c_1bit8_operand): New.
2797 (m32c_1bit16_operand): New.
2798 (m32c_1mask8_operand): New.
2799 (m32c_1mask16_operand): New.
2800 * config/m32c/blkmov.md: New file.
2801 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2803 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2805 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2806 unsigned to fix signed/unsigned comparison issue in
2807 DWARF2_FRAME_REG_OUT.
2808 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2809 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2811 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2812 of ptr into the ENABLE_CHECKING section.
2814 2006-03-08 Jeff Law <law@redhat.com>
2816 * tree-vrp.c (infer_value_range): Only count pointer uses
2817 and dereferences if -fdelete-null-pointer-checks is enabled.
2819 * tree-vrp.c (find_assert_locations): Infer value ranges for
2820 single use pointers, but do not create ASSERT_EXPRs for them.
2821 When a non-null range is inferred for a pointer, backwards
2822 propagate that range to other equivalent pointers through the
2825 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2828 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2829 language hook targets.
2830 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2831 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2832 if language hook targets were missing.
2834 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2836 * tree-ssa-opfinalize.h: Removed.
2837 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2839 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2840 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2841 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2842 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2843 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2844 finalize_ssa_v_must_def_ops): New.
2846 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2848 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2851 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2853 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2855 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2856 addresses with offsets; reorganize.
2858 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2859 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2860 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2862 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2865 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2867 2006-03-08 Ben Elliston <bje@au.ibm.com>
2869 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2871 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2874 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2877 2006-03-07 Richard Guenther <rguenther@suse.de>
2879 PR tree-optimization/26587
2880 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2882 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2884 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2886 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2888 * hooks.c (hook_bool_mode_rtx_true): New function.
2889 * hooks.h (hook_bool_mode_rtx_true): Declare.
2890 * toplev.c (compile_file): Call output_shared_constant_pool.
2891 * varasm.c (shared_constant_pool): New variable.
2892 (assemble_start_function, assemble_end_function): Remove arguments
2893 from call to output_constant_pool.
2894 (create_constant_pool): New function, split out from...
2895 (init_varasm_status): ...here.
2896 (force_const_mem): Choose between the shared and per-function constant
2897 pools. Set current_function_uses_const_pool when reusing old entries
2898 as well as when creating new ones.
2899 (mark_constant): Ignore data argument.
2900 (mark_constants): Remove pool argument.
2901 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2902 to decide whether the function uses a constant pool.
2903 (output_constant_pool_contents): New function, split out from...
2904 (output_constant_pool): ...here.
2905 (output_shared_constant_pool): New function.
2906 (init_varasm_once): Initialize shared_constant_pool.
2907 * output.h (output_constant_pool): Delete.
2908 (output_shared_constant_pool): Declare.
2909 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2910 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2912 2006-03-06 Nick Clifton <nickc@redhat.com>
2914 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2915 flag_strength_reduce.
2917 2006-03-06 Ben Elliston <bje@au.ibm.com>
2919 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2920 x86_64-*-linux* configurations.
2922 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2923 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2925 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2927 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2929 * basic-block.h: Remove the extern for
2930 rediscover_loops_after_threading.
2932 * cfgloop.c (cancel_loop): Make it static.
2933 * cfgloop.h: Remove the prototype for cancel_loop.
2935 * flow.c (recompute_reg_usage): Make it static.
2936 * rtl.h: Remove the prototype for recompute_reg_usage.
2938 * function.c (use_return_register): Make it static.
2939 * function.h: Remove the prototype.
2941 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2943 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2945 * recog.h: Remove the prototype for
2946 validate_change_maybe_volatile.
2948 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2950 * rtlanal.c (replace_reg): Remove.
2951 * rtl.h: Remove the prototype for replace_reg.
2953 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2955 * regclass.c (reg_scan_update): Remove.
2956 (reg_scan_mark_refs): Remove the last argument.
2957 * rtl.h: Remove the prototype for reg_scan_update.
2959 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2961 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2962 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2963 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2964 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2965 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2966 loop-invariant.c, omp-low.c, opts.c, passes.c,
2967 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2968 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2969 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2970 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2971 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2972 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2974 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2976 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2977 * dwarf2out.h: Remove the prototype for
2978 dwarf2out_add_library_unit_info.
2980 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2982 * tree.c (add_var_to_bind_expr): Remove.
2983 * tree.h: Remove the prototype for add_var_to_bind_expr.
2985 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2987 * regclass.c (n_non_fixed_regs): Remove.
2988 (init_reg_sets_1, globalize_reg): Remove all uses of
2990 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2992 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2994 * rtlanal.c (insns_safe_to_move_p): Remove.
2995 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2997 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2999 * expmed.c (expand_mult_add): Remove.
3000 * expr.h: Remove the prototype for expand_mult_add.
3002 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3004 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3005 and REG_SAVED_VAL_EXP constants.
3006 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3007 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3008 Handle regs stored by value.
3009 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3010 (execute_cfa_program): Handle DW_CFA_val_offset,
3011 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3012 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3013 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3014 (uw_install_context_1): Handle target regs stored by value.
3016 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3018 * tree-sra.c (tree_sra): Return todoflags;
3019 (generate_one_element): Set TODO_update_smt_usage if needed.
3020 (pass_sra): Remove TODO_update_smt_usage.
3021 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3023 (tree_ssa_forward_propagate_single_use_vars): Return
3024 TODO_update_smt_usage if we need to update SMT usage.
3025 (pass_forwprop): Remove TODO_update_smt_usage.
3027 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3029 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3030 (correct_use_link): Remove reference to get_stmt_operands.
3031 (update_stmt_operands): Likewise.
3032 (get_modify_expr_operands): New function factored out of
3033 parse_ssa_operands and get_expr_operands.
3034 Try to create V_MUST_DEFs for LHS by default.
3035 (get_expr_operands) <case MODIFY_EXPR>: Call
3036 get_modify_expr_operands.
3037 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3038 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3039 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3040 get_modify_expr_operands.
3042 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3044 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3045 * tree-flow.h: Remove the prototype for
3046 referenced_var_lookup_if_exists.
3048 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3050 PR rtl-optimization/26345
3052 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3054 2006-03-03 Roger Sayle <roger@eyesopen.com>
3056 PR tree-optimization/26524
3057 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3058 fold_convert to create a constant of the appropriate type.
3060 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3062 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3063 SYMBOL_REF_IN_BLOCK_P.
3064 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3065 of SYMBOL_FLAG_IN_BLOCK.
3066 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3067 instead of SYMBOL_REF_IN_BLOCK_P.
3068 * explow.c (use_anchored_address): Likewise.
3069 * rtl.c (rtx_size): Likewise.
3070 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3071 instead of SYMBOL_FLAG_IN_BLOCK.
3072 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3073 SYMBOL_REF_IN_BLOCK_P.
3074 (assemble_variable): Likewise.
3075 (output_constant_def_contents): Likewise.
3076 (output_constant_pool): Likewise.
3077 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3078 instead of SYMBOL_FLAG_IN_BLOCK.
3079 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3080 SYMBOL_REF_IN_BLOCK_P.
3081 (SYMBOL_REF_BLOCK): Likewise.
3082 (SYMBOL_REF_OFFSET): Likewise.
3083 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3084 SYMBOL_REF_IN_BLOCK_P.
3085 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3086 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3087 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3088 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3090 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3092 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3094 2006-03-02 Roger Sayle <roger@eyesopen.com>
3096 * simplify-rtx.c (simplify_unary_operation): When simplifying
3097 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3098 that we perform the right shift in the appropriate mode, and
3099 then extend or truncate the result to requested mode.
3101 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3103 * gengtype.c (main): Handle double_int type.
3104 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3105 * double-int.c: New file.
3106 * double-int.h: New file.
3107 * system.h: Include doubleint.h.
3108 * Makefile.in (SYSTEM_H): Include double-int.h.
3109 (double-int.o): Add.
3111 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3114 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3117 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3119 * tree-vrp.c (remove_range_assertions): Do not update statements
3122 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3124 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3126 * gcse.c (rest_of_handle_gcse): Ditto.
3127 * except.c (gate_handle_eh): Ditto.
3128 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3129 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3131 2006-03-02 Eric Christopher <echristo@apple.com>
3133 * config/i386/i386.c (machopic_output_stub): Add indirection to
3136 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3140 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3142 Sun Niagara specific optimizations.
3143 * config.gcc: Recognize niagara as target.
3144 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3145 (TARGET_CPU_niagara): Define.
3146 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3147 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3148 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3149 (ASM_CPU_SPEC): Likewise.
3150 (PROCESSOR_NIAGARA): New enum entry.
3151 (REGISTER_MOVE_COST): Handle Niagara.
3152 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3153 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3154 (sparc_override_options): Recognize "niagara", set appropriate
3155 default MASK_* values for it, and align functions to 32-bytes
3156 by default just like ULTRASPARC/ULTRASPARC3.
3157 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3158 (sparc64_initialize_trampoline): Likewise.
3159 (sparc_use_sched_lookahead): Use zero for niagara.
3160 (sparc_issue_rate): Use one for niagara.
3161 * config/sparc/niagara.md: New file.
3162 * config/sparc/sparc.md: Include it.
3163 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3164 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3165 when default cpu is niagara.
3166 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3167 (ASM_CPU_SPEC): Likewise.
3168 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3169 when default cpu is niagara.
3170 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3171 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3172 just like v9/ultrasparc/ultrasparc3.
3173 * doc/invoke.texi: Add documentation for "niagara" and improve
3174 existing documentation for ultrasparc variants.
3176 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3178 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3180 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3182 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3183 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3184 and say that only one is needed.
3185 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3186 * target.h (have_switchable_bss_sections): New hook.
3187 * explow.c (use_anchored_address): Check that the symbol is in a block.
3188 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3189 (bss_noswitch_section): New variables.
3190 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3191 (get_noswitch_section): New function.
3192 (get_block_for_section): Allow SECT to be null.
3193 (unlikely_text_section_p): Use SECTION_STYLE.
3194 (bss_initializer_p): New function.
3195 (get_variable_section): Move earlier in file. Take a new argument,
3196 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3197 Return one of the new *_sections in such cases.
3198 (get_block_for_decl): New function, extracting some logic from
3199 use_blocks_for_decl_p.
3200 (change_symbol_section): Remove in favor of...
3201 (change_symbol_block): ...this new function.
3202 (use_blocks_for_decl_p): Remove checks now performed by
3204 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3205 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3206 (emit_local, emit_bss, emit_common): ...these new functions.
3207 Return true if the alignment was honored.
3208 (emit_tls_common): New function.
3209 (asm_emit_uninitialised): Delete.
3210 (assemble_variable_noswitch): New function, split out from...
3211 (assemble_variable): ...here. Don't make decisions about common
3212 variables here. Globalize all public decls that go into non-common
3213 sections. Check whether SYMBOL_REF_BLOCK is null.
3214 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3215 (output_constant_pool): Likewise.
3216 (init_varasm_once): Initialize the new section variables.
3217 (have_global_bss_p): New function.
3218 (categorize_decl_for_section): Use bss_initializer_p.
3219 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3220 (place_block_symbol): Assert that the symbol must be in a block.
3221 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3222 (TARGET_INITIALIZER): Include it.
3223 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3224 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3225 (SECTION_MACH_DEP): Bump by two.
3226 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3227 (unnamed_section): Mention SECTION_UNNAMED in comment.
3228 (named_section): Likewise SECTION_NAMED.
3229 (noswitch_section_callback): New type.
3230 (noswitch_section): New structure.
3231 (section): Add a noswitch_section alternative.
3232 (SECTION_STYLE): New macro.
3233 (tls_comm_section, comm_section, lcomm_section): Declare.
3234 (bss_noswitch_section, have_global_bss_p): Declare.
3235 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3236 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3238 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3239 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3242 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3244 * gcc/tree-vrp.c (execute_vrp): Return value.
3245 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3246 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3247 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3248 (tree_lower_complex_O0): Ditto.
3249 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3250 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3251 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3252 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3253 (execute_tail_calls): Ditto.
3254 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3255 * gcc/tree.h (init_function_for_compilation): Ditto.
3256 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3257 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3258 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3259 * gcc/final.c (compute_alignments): Ditto.
3260 (rest_of_handle_final): Ditto.
3261 (rest_of_handle_shorten_branches): Ditto.
3262 (rest_of_clean_state): Ditto.
3263 * gcc/omp-low.c (execute_expand_omp): Ditto.
3264 (execute_lower_omp): Ditto.
3265 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3266 * gcc/ipa-reference.c (static_execute): Ditto.
3267 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3268 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3269 (rest_of_handle_machine_reorg): Ditto.
3270 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3271 * gcc/flow.c (recompute_reg_usage): Ditto.
3272 (rest_of_handle_remove_death_notes): Ditto.
3273 (rest_of_handle_life): Ditto.
3274 (rest_of_handle_flow2): Ditto.
3275 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3276 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3277 (do_ssa_store_ccp): Ditto.
3278 (execute_fold_all_builtins): Ditto.
3279 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3280 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3281 * gcc/ipa-pure-const.c (static_execute): Ditto.
3282 * gcc/cse.c (rest_of_handle_cse): Ditto.
3283 (rest_of_handle_cse2): Ditto.
3284 * gcc/web.c (rest_of_handle_web): Ditto.
3285 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3286 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3287 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3288 * gcc/tree-nrv.c (tree_nrv): Ditto.
3289 (execute_return_slot_opt): Ditto.
3290 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3291 (create_structure_vars): Ditto.
3292 * gcc/loop-init.c (rtl_loop_init): Ditto.
3293 (rtl_loop_done): Ditto.
3294 (rtl_move_loop_invariants): Ditto.
3295 (rtl_unswitch): Ditto.
3296 (rtl_unroll_and_peel_loops): Ditto.
3297 (rtl_doloop): Ditto.
3298 * gcc/gimple-low.c (lower_function_body): Ditto.
3299 (mark_used_blocks): Ditto.
3300 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3301 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3302 (cgraph_early_inlining): Ditto.
3303 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3304 * gcc/jump.c (cleanup_barriers): Ditto.
3305 (purge_line_number_notes): Ditto.
3306 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3307 (rest_of_handle_if_after_reload): Ditto.
3308 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3309 (tree_ssa_loop_im): Ditto.
3310 (tree_ssa_loop_unswitch): Ditto.
3311 (tree_vectorize): Ditto.
3312 (tree_linear_transform): Ditto.
3313 (tree_ssa_loop_ivcanon): Ditto.
3314 (tree_ssa_empty_loop): Ditto.
3315 (tree_ssa_loop_bounds): Ditto.
3316 (tree_complete_unroll): Ditto.
3317 (tree_ssa_loop_prefetch): Ditto.
3318 (tree_ssa_loop_ivopts): Ditto.
3319 (tree_ssa_loop_done): Ditto.
3320 * gcc/predict.c (tree_estimate_probability): Ditto.
3321 * gcc/recog.c (split_all_insns_noflow): Ditto.
3322 (rest_of_handle_peephole2): Ditto.
3323 (rest_of_handle_split_all_insns): Ditto.
3324 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3325 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3326 (rest_of_handle_stack_adjustments): Ditto.
3327 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3328 * gcc/function.c (instantiate_virtual_regs): Ditto.
3329 (init_function_for_compilation): Ditto.
3330 (rest_of_handle_check_leaf_regs): Ditto.
3331 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3332 (rest_of_handle_gcse): Ditto.
3333 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3334 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3335 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3336 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3337 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3338 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3339 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3340 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3341 * gcc/except.c (set_nothrow_function_flags): Ditto.
3342 (convert_to_eh_region_ranges): Ditto.
3343 (rest_of_handle_eh): Ditto.
3344 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3345 (remove_unnecessary_notes): Ditto.
3346 * gcc/except.h (set_nothrow_function_flags): Ditto.
3347 (convert_to_eh_region_ranges): Ditto.
3348 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3349 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3350 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3351 (execute_fre): Ditto.
3352 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3353 (rest_of_handle_jump2): Ditto.
3354 * gcc/tree-sra.c (tree_sra): Ditto.
3355 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3356 (execute_mudflap_function_decls): Ditto.
3357 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3358 (do_store_copy_prop): Ditto.
3359 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3360 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3361 * gcc/tree-ssa-forwprop.c
3362 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3363 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3364 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3365 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3366 (execute_late_warn_uninitialized): Ditto.
3367 * gcc/rtl.h (cleanup_barriers): Ditto.
3368 (split_all_insns_noflow): Ditto.
3369 (purge_line_number_notes): Ditto.
3370 (unshare_all_rtl): Ditto.
3371 (remove_unnecessary_notes): Ditto.
3372 (recompute_reg_usage): Ditto.
3373 (variable_tracking_main): Ditto.
3374 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3375 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3376 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3377 (execute_free_cfg_annotations): Ditto.
3378 (execute_fixup_cfg): Ditto.
3379 (execute_cleanup_cfg_pre_ipa): Ditto.
3380 (execute_cleanup_cfg_post_optimizing): Ditto.
3381 (execute_init_datastructures): Ditto.
3382 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3383 * gcc/combine.c (rest_of_handle_combine): Ditto.
3384 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3385 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3386 (rest_of_handle_reorder_blocks): Ditto.
3387 (rest_of_handle_partition_blocks): Ditto.
3388 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3389 * gcc/tree-profile.c (tree_profiling): Ditto.
3390 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3391 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3392 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3393 (rest_of_handle_sched2): Ditto.
3394 * gcc/basic-block.h (free_bb_insn): Ditto.
3395 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3396 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3397 (remove_useless_stmts): Ditto.
3398 (split_critical_edges): Ditto.
3399 (execute_warn_function_return): Ditto.
3400 (execute_warn_function_noreturn): Ditto.
3401 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3402 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3403 * gcc/passes.c (execute_one_pass): Run additional
3404 todos returned by execute function.
3405 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
3408 2006-03-02 Richard Guenther <rguenther@suse.de>
3410 * tree-ssa-alias.c (find_used_portions): Consider taking
3411 the address as making the variable not write-only.
3413 2006-03-02 Nick Clifton <nickc@redhat.com>
3415 * config.gcc (default_use_cxa_atexit): Extend the description of
3416 this configure variable. Set its default value to "yes" for
3417 Linux, NetBSD and ELF targets on the assumption that they will
3418 use C libraries with the __cxa_atexit function.
3420 2006-03-02 Ben Elliston <bje@au.ibm.com>
3422 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3423 parameter as unused to suppress a build warning.
3425 2006-03-02 Ben Elliston <bje@au.ibm.com>
3427 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3430 2006-03-01 Roger Sayle <roger@eyesopen.com>
3433 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3434 declared name, the weak reference name, and the typeof name.
3435 (__gthrw): Avoid expanding the declared name suffix.
3436 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3438 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3440 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3442 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3443 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3444 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3445 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3446 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3447 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3448 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3449 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3450 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3451 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3452 (DW_END_default, DW_END_big, DW_END_little): New.
3453 (DW_END_lo_user, DW_END_hi_user): Define.
3454 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3455 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3456 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3459 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3461 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3463 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3465 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3467 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3469 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3470 to 'symbol_mem_tag'.
3472 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3475 2006-03-01 Roger Sayle <roger@eyesopen.com>
3477 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3479 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3482 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3483 MACHO_DYNAMIC_NO_PIC_P.
3484 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3486 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3489 * config/darwin-protos.h (darwin_asm_output_anchor):
3491 * config/darwin-sections.def (cstring_section):
3492 Add SECTION_MERGE to the flags.
3493 (literal4_section): Likewise.
3494 (literal8_section): Likewise.
3495 (objc_selector_refs_section): Likewise.
3496 (objc_cls_refs_section): Likewise.
3497 * config/darwin.c (darwin_asm_output_anchor): New
3499 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3501 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3503 Fix PR tree-optimization/26443
3504 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3505 to todo and PROP_tmt_usage to properties_destroyed.
3506 * tree-ssa-ccp.c (pass_ccp): Ditto.
3507 (pass_store_ccp): Ditto.
3508 * tree-ssa-dom.c (pass_dominator): Ditto.
3510 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3512 * tree-ssa-operands.c: Cleanup whitespace.
3513 (get_asm_expr_operands): Move before first invocation.
3514 (get_indirect_ref_operands): Likewise.
3515 (get_tmr_operands): Likewise.
3516 (get_call_expr_operands): Likewise.
3517 (append_def): Likewise.
3518 (append_use): Likewise.
3519 (append_v_may_def): Likewise.
3520 (append_v_must_def): Likewise.
3521 (add_call_clobber_ops): Likewise.
3522 (add_call_read_ops): Likewise.
3523 (add_stmt_operand): Likewise.
3524 (add_virtual_operand): Likewise.
3525 (build_ssa_operands): Likewise.
3527 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3532 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3533 with a call expr to ...
3534 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3536 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3538 * tree-vrp.c (extract_range_from_assert): Remove special
3539 handling for types with super-types.
3541 2006-03-01 Ben Elliston <bje@au.ibm.com>
3543 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3544 and powerpc64-*-linux* configurations.
3545 * config/t-dfprules: New file.
3547 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3548 Compile dfp-bit.c from the source directory using -DWIDTH and
3549 $DFP_CFLAGS to control the compilation of that file, rather than
3550 generating width-specific versions in the build directory.
3551 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3552 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3554 2006-02-28 Zack Weinberg <zackw@panix.com>
3556 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3559 2006-02-28 Eric Christopher <echristo@apple.com>
3561 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3562 Set up IN_LIBGCC definition of TARGET_64BIT.
3563 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3565 2006-02-28 Roger Sayle <roger@eyesopen.com>
3568 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3569 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3570 cases via the construction of "expr != 0".
3572 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3574 * alias.c (alias_invariant, alias_invariant_size): Remove.
3575 (record_base_value): Remove.
3576 (memrefs_conflict_p): Don't look at alias_invariant.
3577 (end_alias_analysis): Don't free it.
3578 * alias.h (record_base_value): Remove prototype.
3580 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3581 Adam Nemet <anemet@caviumnetworks.com>
3583 * rtl.h (truncated_to_mode): Declare it.
3584 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3585 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3586 (RTL_HOOKS_INITIALIZER): Include it.
3587 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3588 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3589 reg_truncated_to_mode.
3590 * rtlanal.c (truncated_to_mode): Define it.
3591 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3593 2006-02-28 Jeff Law <law@redhat.com>
3595 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3596 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3597 the range allowed by TYPE_PRECISION.
3599 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3601 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3603 PR tree-optimization/26419
3604 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3607 2006-02-27 Zack Weinberg <zackw@panix.com>
3609 * doc/md.texi: Fix typo in previous change.
3611 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3615 2006-02-27 Zack Weinberg <zackw@panix.com>
3617 * rtl.def (define_constraint, define_register_constraint)
3618 (define_memory_constraint, define_address_constraint): New MD forms.
3619 * gensupport.c (process_rtx): Put define_constraint etc on the
3621 * genpreds.c (process_define_predicate): Adjust comment. Validate
3622 the name, and call validate_exp to validate the expression.
3623 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3624 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3625 all callers changed.
3626 (validate_exp, needs_variable, struct constraint_data)
3627 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3628 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3629 (const_dbl_constraints, constraint_max_namelen)
3630 (have_register_constraints, have_memory_constraints)
3631 (have_address_constraints, have_address_constraints)
3632 (have_extra_constraints, have_const_int_constraints)
3633 (have_const_dbl_constraints, mangle, add_constraint)
3634 (process_define_constraint, process_define_register_constraint)
3635 (write_enum_constraint_num, write_lookup_constraint)
3636 (write_insn_constraint_len, write_regclass_for_constraint)
3637 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3638 (write_insn_extra_memory_constraint)
3639 (write_insn_extra_address_constraint)
3640 (write_satisfies_constraint_fns): New.
3641 (write_tm_preds_h): If we have new-style constraint definitions,
3642 prototype the functions generated from them, and define the
3643 old constraint interface (still used by generic code) in terms of
3645 (write_insn_preds_c): If we have new-style constraint definitions,
3646 generate all relevant functions from those definitions.
3647 (main): Handle define_constraint etc.
3648 * genoutput.c (struct constraint_data, indep_constraints)
3649 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3650 (mdep_constraint_len): New data structures and functions, defined
3651 #ifdef USE_MD_CONSTRAINTS.
3652 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3653 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3654 use new logic to validate operand constraints against constraint
3656 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3658 * defaults.h: If none of the old-style constraint macros are
3659 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3660 old-style macros; and poison REG_CLASS_FROM_LETTER,
3661 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3663 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3664 * doc/md.texi: Document new constraint-definition mechanism and the
3665 C interface it provides. Remove references to old mechanism
3666 elsewhere in the document.
3667 (Machine Constraints): Use pathnames relative to gcc directory,
3668 i.e. config/ARCH/FILE. Change i386 section to refer to
3669 config/i386/predicates.md; update that section to match docstrings.
3670 * doc/tm.texi: Move all documentation of the old constraint-
3671 definition macros to their own section, clearly mark as obsolete.
3673 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3674 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3676 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3677 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3678 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3680 (splits and peepholes): Use satisfies_constraint_*.
3681 * config/i386/i386.c (memory_address_length)
3682 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3684 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3686 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3687 scalar operation to be put back into the loop.
3689 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3692 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3693 (extract_cie_info): Handle S flag in augmentation string.
3694 (execute_cfa_program): If context->signal_frame, execute also
3695 fs->pc == context->ra instructions.
3696 (uw_frame_state_for): If context->signal_frame, don't subtract one
3697 from context->ra to find FDE.
3698 (uw_update_context_1): Set context->signal_frame to
3700 (_Unwind_GetIPInfo): New function.
3701 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3702 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3704 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3705 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3706 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3707 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3708 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3709 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3710 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3711 x86_64_fallback_frame_state): Set fs->signal_frame.
3712 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3713 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3714 (frob_update_context): Likewise. Workaround missing S flag in
3715 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3716 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3717 Remove the psw_addr + 1 hack.
3719 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3721 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3722 with aggregates here.
3723 (find_func_aliases): Remove code for &<aggregate> from here.
3725 2006-02-26 Roger Sayle <roger@eyesopen.com>
3727 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3728 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3729 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3732 2006-02-26 Roger Sayle <roger@eyesopen.com>
3735 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3737 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3739 * opts.c (decode_options): Do not handle flag_strength_reduce.
3740 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3741 and OPT_fstrength_reduce.
3742 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3743 flag_prefetch_loop_arrays for being nonzero.
3744 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3746 (fprefetch-loop-arrays-rtl): Removed.
3747 (flag_prefetch_loop_arrays): Do not specify the value.
3749 * doc/passes.texi: Update documentation of loop optimizer
3751 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3752 -frerun-loop-opt): Remove.
3754 2006-02-26 Richard Guenther <rguenther@suse.de>
3756 PR tree-optimization/26421
3757 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3758 in function calls that are ADDR_EXPRs as using the whole structure.
3760 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3762 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3763 * tree-pass.h (pass_loop_optimize): Remove.
3764 * passes.c (pass_loop_optimize): Never run it.
3765 * toplev.c (backend_init): Don't call init_loop.
3766 * opts.c (flag_loop_optimize_set): Remove.
3767 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3768 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3769 the old RTL loop optimizer when profiling enabled.
3770 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3771 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3772 pre-headers for the sake of the old RTL loop optimizer.
3773 * Makefile.in: Remove all references to loop.o.
3775 * doc/invoke.texi: Remove all references to -floop-optimize
3776 and -frerun-loop-opt.
3778 2006-02-26 Zack Weinberg <zackw@panix.com>
3780 * doc/md.texi (Machine Constraints): Refer to all files with paths
3781 relative to gcc directory (i.e. config/CPU/file). Add missing
3782 @table @code ... @end table to M32C subsection.
3784 2006-02-26 Roger Sayle <roger@eyesopen.com>
3786 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3788 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3790 2006-02-26 Roger Sayle <roger@eyesopen.com>
3791 James A. Morrison <phython@gcc.gnu.org>
3794 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3795 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3796 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3797 signedness of the shift operation.
3799 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3801 PR tree-optimization/26359
3802 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3804 2006-02-25 Roger Sayle <roger@eyesopen.com>
3806 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3807 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3808 as X == 0, and some symmetry related transformations.
3809 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3811 2006-02-25 Roger Sayle <roger@eyesopen.com>
3814 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3815 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3816 symmetry related transformations. Fold (X^C1) == C2 as
3819 2006-02-25 Juergen Weigert <jw@suse.de>
3820 Richard Guenther <rguenther@suse.de>
3822 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3824 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3826 * combine.c (gen_lowpart_or_truncate): Call
3827 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3829 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3831 * doc/invoke.texi: Move -fopenmp description to "Options for
3833 Remove reference to -lgomp.
3835 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3837 * doc/install.texi: Require GNU tar version 1.14.
3839 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3841 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3842 * doc/invoke.texi (C++ Dialect Options): Document
3843 -fno-use-cxa-get-exception-ptr.
3844 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3845 * configure: Regenerate.
3846 * c.opt (fuse-cxa-get-exception-ptr): New.
3847 * c-opts.c (c_common_handle_option): Handle
3848 OPT_fuse_cxa_get_exception_ptr.
3849 * c-common.c (flag_use_cxa_atexit): Update documentation.
3850 (flag_use_cxa_get_exception_ptr): New.
3851 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3852 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3854 (C_COMMON_OVERRIDE_OPTIONS): New.
3856 2006-02-24 Roger Sayle <roger@eyesopen.com>
3859 * combine.c (try_combine): Explicitly check whether GET_CODE is
3860 a SET or a CLOBBER, instead on checking that it isn't a USE.
3862 2006-02-24 Roger Sayle <roger@eyesopen.com>
3864 * fold-const.c (fold_comparison): New subroutine of fold_binary
3865 containing transformations common to both the equality and
3866 ordering relational operators, factored out of fold_binary.
3867 (fold_binary): Separate out the equality operators (EQ_EXPR
3868 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3869 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3870 transformations common to both.
3871 (fold_div_compare): Fix latent bugs in the previously unreachable
3872 LT_EXPR and GE_EXPR cases.
3874 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3876 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3877 decl libname for clog to __clog on AIX.
3879 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3881 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3884 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3885 output traceback table for thunks. Localise rs6000_stack_info call.
3887 2006-02-23 Roger Sayle <roger@eyesopen.com>
3888 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3890 * gthr-posix.h (__gthrw): Fix typo in comment.
3892 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3894 * doc/cpp.texi (Character sets): Document that we do support
3895 input files to be in any character set.
3897 2006-02-23 Jeff Law <law@redhat.com>
3899 * tree.h (PHI_ARG_NONZERO): Remove.
3900 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3901 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3902 node to the new node.
3904 PR tree-optimization/26425
3905 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3906 min/max, then assume its varying.
3908 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3910 PR rtl-optimization/26316
3911 * rtlanal.c (enum may_trap_p_flags): New.
3912 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3913 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3914 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3915 (may_trap_after_code_motion_p): New function.
3916 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3917 (find_invariant_insn): Use may_trap_after_code_motion_p.
3918 * rtl.h (may_trap_after_code_motion_p): Declare.
3920 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3922 * emit-rtl.c (immed_double_const): Cleanup.
3924 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3926 Fix PR tree-optimization/26376
3927 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3930 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3933 * gimplify.c (omp_add_variable): Guard variable size decl test with
3934 DECL_SIZE (decl) check.
3936 2006-02-23 Richard Guenther <rguenther@suse.de>
3939 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3940 like aggregate types.
3942 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3944 * configure.ac: Add --with{,out}-long-double-128 configure option.
3945 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3946 * configure: Rebuilt.
3947 * config.in: Rebuilt.
3948 * doc/install.texi (Options specification): Document
3949 --with-long-double-128.
3951 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3952 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3953 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3954 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3956 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3958 * config/s390/s390.c (override_options): Handle
3959 TARGET_DEFAULT_LONG_DOUBLE_128.
3961 * config/alpha/alpha.c (override_options): Handle
3962 TARGET_DEFAULT_LONG_DOUBLE_128.
3964 * config/sparc/sparc.c (sparc_override_options): Handle
3965 TARGET_DEFAULT_LONG_DOUBLE_128.
3967 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3969 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3970 (real-install-headers-tar, real-install-headers-cpio)
3971 (real-install-headers-cp): New targets.
3973 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3975 * tree.h (variable_section): Delete.
3976 * varasm.c (variable_section): Delete.
3978 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3980 * install.texi: Add notes on install.texi2html.
3981 (Building in parallel): Do not use footnotes.
3983 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3986 * doc/install.texi (Configuration): Document --disable-libgomp.
3988 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3990 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3992 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3994 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3995 (vec_extractv2df_0_sse): New.
3997 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3999 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4000 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4001 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4002 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4003 to the result of the expression.
4004 (def_cfa_1): Adjust.
4005 (frame_pointer_cfa_offset): Rename to...
4006 (frame_pointer_fb_offset): ... this. Adjust all uses.
4007 (convert_cfa_to_loc_list): Rename to...
4008 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4009 Pass it on to build_cfa_loc.
4010 (compute_frame_pointer_to_cfa_displacement): Rename to...
4011 (compute_frame_pointer_to_fb_displacement): ... this. New
4012 offset parameter. Use it in computation.
4013 (gen_subprogram_die): Compute cfa_fb_offset with the new
4014 macro, and use it to compute the fb loc list and the
4017 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4019 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4020 replaced with register_operand.
4021 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4022 non-DREG is expensive.
4023 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4024 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4027 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4029 * doc/install.texi2html: Use set -e.
4031 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4033 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4034 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4035 * doc/invoke.texi (-fshared-data): Delete.
4036 * common.opt (fshared-data): Delete.
4037 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4038 (assemble_static_space): Remove #if 0 code.
4039 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4040 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4041 * config/cris/cris.h: Remove FIXME.
4043 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4045 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4048 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4051 * combine.c (simplify_shift_const_1): Disable nested shifts
4052 optimization for vector shifts.
4054 2006-02-20 Roger Sayle <roger@eyesopen.com>
4056 PR tree-optimization/26361
4057 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4058 of unsigned integer types.
4060 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4062 * tree-chrec.c (eq_evolutions_p): New.
4063 * tree-chrec.h (eq_evolutions_p): Declared.
4064 * tree-data-ref.c: Fix formatting.
4065 (datadep_stats, dependence_stats): New.
4067 (print_direction_vector): New.
4068 (dump_data_dependence_relation): Use print_direction_vector.
4069 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4070 (compute_subscript_distance): Static.
4071 (initialize_data_dependence_relation): Static. Get the number
4072 of loops surrounding the references from the callers, and initialize
4073 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4074 base_object_differ_p analyzers.
4075 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4076 compute_overlap_steps_for_affine_1_2,
4077 analyze_subscript_affine_affine): Count the classified dependences.
4078 Print a message when a test failed.
4079 (can_use_analyze_subscript_affine_affine): New.
4080 (analyze_siv_subscript): Compute the data dependences on symbolic
4081 scevs that verify can_use_analyze_subscript_affine_affine.
4082 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4083 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4084 Handle symbolic scevs.
4085 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4087 (subscript_dependence_tester): Moved...
4088 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4089 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4090 DDR_SIZE_VECT instead of getting it in parameter.
4091 (subscript_dependence_tester): ... here. Take as a parameter
4092 loop_nest_depth. Call build_classic_dist_vector and
4093 build_classic_dir_vector.
4094 (compute_affine_dependence): Update subscript_dependence_tester
4095 parameters. Update datadep_stats counters. Call
4096 compute_subscript_distance.
4097 (compute_self_dependence): Save the dist and dir vectors. Call
4098 compute_subscript_distance.
4099 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4100 (compute_all_dependences): Reorder parameters as they were before
4101 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4102 compute_subscript_distance. Update the use of
4103 compute_affine_dependence and initialize_data_dependence_relation.
4104 (find_data_references_in_loop): Handle COMPONENT_REF.
4105 (compute_data_dependences_for_loop): Initialize dependence_stats.
4106 Don't call build_classic_dist_vector and build_classic_dir_vector.
4107 Update the parameters of initialize_data_dependence_relation and
4108 compute_all_dependences. Print the statistics from datadep_stats.
4109 (analyze_all_data_dependences): Static. Not used until the pass for
4110 checking the data dependences is contributed.
4111 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4112 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4113 (initialize_data_dependence_relation, compute_affine_dependence,
4114 analyze_all_data_dependences, compute_subscript_distance): Removed.
4115 (print_direction_vector): New.
4116 * lambda.h (gcd): ... here.
4117 (lambda_vector_gcd): Moved here from gcd_vector.
4118 * lambda-code.c (gcd, gcd_vector): Removed.
4119 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4120 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4122 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4124 * ipa-type-escape.c: Tidy some comments and white space.
4125 * tree-ssa-operands.c: Likewise.
4127 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4130 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4131 (dump_decl_name): Do not walk the decl tree chains.
4132 * tree-pass.h (TDF_CHAIN): Remove.
4134 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4136 * Makefile.in (C): Remove
4138 (.PHONY): Remove C and PROTO
4140 2006-02-20 Roger Sayle <roger@eyesopen.com>
4143 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4144 deprecated CHAR_TYPE tree code.
4146 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4148 * configure.ac (target_list): Add install-info, dvi, html.
4149 * configure: Regenerate.
4151 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4152 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4153 treelang/Make-lang.in: Do not use double-colon rules.
4155 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4157 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4158 (TMT_USED_ALONE): New macro.
4159 * tree-pass.h (PROP_tmt_usage): New property.
4160 (TODO_update_tmt_usage): New todo.
4161 * tree-ssa-alias.c (updating_used_alone): New variable.
4162 (recalculate_used_alone): New function.
4163 (compute_may_aliases): Set updating_used_alone, call
4164 recalculate_used_alone.
4165 * tree-sra.c (pass_sra): Note that this pass destroys
4166 PROP_tmt_usage, and add TODO_update_tmt_usage.
4167 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4168 * tree-flow.h (updating_used_alone): Prototype.
4169 (recalculate_used_alone): Ditto.
4170 * passes.c (execute_todo): Add code to set updating_used_alone,
4171 and call recalculate.
4172 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4173 for clobber if used alone, and add assert to verify used_alone
4176 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4178 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4179 for non tls symbols added.
4180 (legitimize_address): Do nothing for PLUS expressions if one of the
4181 addends is a tls symbol reference.
4183 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4187 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4189 * Makefile.in (BOOTSTRAPPING): New.
4190 (quickstrap): New definition if BOOTSTRAPPING=yes.
4192 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4193 * configure.ac: Substitute all_selected_languages with the languages
4194 that were configured. For all the other variables except
4195 lang_specs_files, include all the languages in the tree.
4196 * configure: Regenerate.
4198 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
4199 if there is one. Run the commands to run fixincludes in the same
4202 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4203 * doc/install.texi: Document exact conventions for searching target tools.
4204 Document --with-build-time-tools. Document toplevel bootstrap. Document
4205 something more about building an Ada cross-compiler. Don't list GNU Make
4206 requirements which affect all platforms.
4208 2006-02-19 Roger Sayle <roger@eyesopen.com>
4211 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4212 only equivalent if the have both the same mode and precision.
4214 2006-02-20 Ben Elliston <bje@au.ibm.com>
4216 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4218 2006-02-19 Roger Sayle <roger@eyesopen.com>
4219 Steven Bosscher <stevenb.gcc@gmail.com>
4221 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4222 constant pool references to identify stack mode constants.
4223 * rtlanal.c (constant_pool_constant_p): New predicate to check
4224 whether operand is a floating point constant in the pool.
4225 * rtl.h (constant_pool_constant_p): Prototype here.
4226 * loop.c (scan_loop): Avoid hoisting constants from the constant
4227 pool on STACK_REGS targets.
4228 (load_mems): Likewise.
4229 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4230 loads into x87 registers expensive in terms of register pressure.
4232 2006-02-19 Roger Sayle <roger@eyesopen.com>
4234 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4235 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4237 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4239 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4240 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4242 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4244 * doc/invoke.texi: Document -fipa-pta.
4245 * common.opt: Add ipa-pta option.
4246 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4247 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4248 (do_ds_constraint): Ditto.
4249 (get_constraint_for): Only add to referenced_vars if
4250 referenced_vars exists.
4251 (insert_into_field_list): Rewrite to do this unsorted.
4252 (insert_into_field_list_sorted): Rename old insert_into_field_list
4254 (create_function_info_for): Use insert_into_field_list_sorted.
4255 (create_variable_info_for): Rewrite so it uses unsorted version,
4256 since the field list is sorted.
4257 (intra_create_variable_infos): Only add to referenced_vars if
4258 referenced_vars exists.
4259 (ipa_pta_execute): Init heapvars, and delete when done.
4260 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4262 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4264 * doc/install.texi: Add missing `@samp'.
4266 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4268 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4271 2006-02-18 Mark Wielaard <mark@klomp.org>
4273 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4274 who added new 4.1 features, bug fixes and integration support.
4276 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4279 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4282 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4284 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4285 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4286 (copy_insn_1): Likewise. Don't copy each field individually.
4288 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4290 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4291 * rtl.c (rtx_size): Rename variable to...
4292 (rtx_code_size): ...this.
4293 (rtx_size): New function.
4294 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4295 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4297 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4298 * rtl.h (rtx_code_size): New variable.
4299 (rtx_size): Change from a variable to a function.
4300 (RTX_SIZE): Rename to...
4301 (RTX_CODE_SIZE): ...this.
4304 PR tree-optimization/17106
4305 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4306 (Anchored Addresses): New section.
4307 * doc/invoke.texi (-fsection-anchors): Document.
4308 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4309 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4310 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4311 * hooks.c (hook_bool_mode_rtx_false): New function.
4312 * hooks.h (hook_bool_mode_rtx_false): Declare.
4313 * gengtype.c (create_optional_field): New function.
4314 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4315 SYMBOL_REF_IN_BLOCK_P is true.
4316 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4317 (min_anchor_offset, max_anchor_offset): Likewise.
4318 (use_anchors_for_symbol_p): New hook.
4319 * toplev.c (compile_file): Call output_object_blocks.
4320 (target_supports_section_anchors_p): New function.
4321 (process_options): Check that -fsection-anchors is only used on
4322 targets that support it and when -funit-at-a-time is in effect.
4323 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4324 if the decl doesn't have one.
4325 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4326 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4327 of force_const_mem through use_anchored_address.
4328 (expand_expr_constant): New function.
4329 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4330 calling expand_expr for INDIRECT_REF.
4331 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4332 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4333 * expr.h (use_anchored_address): Declare.
4334 * loop-unroll.c: Don't declare rtx vectors here.
4335 * explow.c: Include output.h.
4336 (validize_mem): Call use_anchored_address.
4337 (use_anchored_address): New function.
4338 * common.opt (-fsection-anchors): New switch.
4339 * varasm.c (object_block_htab, anchor_labelno): New variables.
4340 (hash_section, object_block_entry_eq, object_block_entry_hash)
4341 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4342 (use_blocks_for_decl_p, change_symbol_section): New functions.
4343 (get_variable_section): New function, split out from assemble_variable.
4344 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4345 use_blocks_for_decl_p say so. Use change_symbol_section if the
4346 symbol has already been created.
4347 (assemble_variable_contents): New function, split out from...
4348 (assemble_variable): ...here. Don't output any code for
4349 block symbols; just pass them to place_block_symbol.
4350 Use get_variable_section and assemble_variable_contents.
4351 (get_constant_alignment, get_constant_section, get_constant_size): New
4352 functions, split from output_constant_def_contents.
4353 (build_constant_desc): Create a block symbol if use_object_blocks_p
4354 says so. Or into SYMBOL_REF_FLAGS.
4355 (assemble_constant_contents): New function, split from...
4356 (output_constant_def_contents): ...here. Don't output any code
4357 for block symbols; just pass them to place_section_symbol.
4358 Use get_constant_section and get_constant_alignment.
4359 (force_const_mem): Create a block symbol if use_object_blocks_p and
4360 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4361 (output_constant_pool_1): Add an explicit alignment argument.
4362 Don't switch sections here.
4363 (output_constant_pool): Adjust call to output_constant_pool_1.
4364 Switch sections here instead. Don't output anything for block symbols;
4365 just pass them to place_block_symbol.
4366 (init_varasm_once): Initialize object_block_htab.
4367 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4368 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4369 (place_block_symbol, get_section_anchor, output_object_block)
4370 (output_object_block_htab, output_object_blocks): New functions.
4371 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4372 (TARGET_ASM_OUT): Include it.
4373 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4374 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4375 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4376 (TARGET_INITIALIZER): Include them.
4377 * rtl.c (rtl_check_failed_block_symbol): New function.
4378 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4379 (block_symbol, object_block): New structures.
4380 (rtx_def): Add a block_symbol field to the union.
4381 (BLOCK_SYMBOL_CHECK): New macro.
4382 (rtl_check_failed_block_symbol): Declare.
4383 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4384 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4385 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4386 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4387 * output.h (output_section_symbols): Declare.
4388 (object_block): Name structure.
4389 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4390 (default_use_anchors_for_symbol_p): Declare.
4391 * Makefile.in (RTL_BASE_H): Add vec.h.
4392 (explow.o): Depend on output.h.
4393 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4394 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4395 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4396 (rs6000_use_blocks_for_constant_p): New function.
4398 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4400 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4402 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4405 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
4408 2006-02-18 Diego Novillo <dnovillo@redhat.com>
4410 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
4414 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4417 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
4418 instead of DECL_REGISTER.
4420 2006-02-18 Olivier Hainque <hainque@adacore.com>
4423 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4425 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4428 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4429 * opth-gen.awk: Handle Var and InverseMask together.
4430 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4431 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4432 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4433 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4435 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4436 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4437 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4438 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4439 LINUX_DYNAMIC_LINKER): Define.
4440 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4441 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4443 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4444 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4445 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4446 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4447 (TARGET_C99_FUNCTIONS): Don't define.
4448 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4449 GLIBC_DYNAMIC_LINKER.
4450 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4451 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4452 GLIBC_DYNAMIC_LINKER64): Define.
4453 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4454 LINUX_DYNAMIC_LINKER64.
4455 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4456 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4457 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4458 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4459 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4460 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4461 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4462 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4463 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4464 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4465 and LINUX_DYNAMIC_LINKER32.
4466 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4467 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4468 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4469 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4470 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4472 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4473 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4474 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4475 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4476 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4477 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4478 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4479 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4480 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4481 LINUX_DYNAMIC_LINKER): Define.
4482 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4483 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4484 GLIBC_DYNAMIC_LINKER64): Define.
4485 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4486 LINUX_DYNAMIC_LINKER64.
4487 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4488 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4489 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4490 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4491 LINUX_DYNAMIC_LINKER): Define.
4492 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4493 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4494 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4495 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4496 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4497 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4498 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4499 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4500 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4501 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4502 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4503 * doc/invoke.texi (-muclibc): Remove caveat about supported
4506 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4508 * doc/cpp.texi (__TIMESTAMP__): Document.
4510 2006-02-17 Roger Sayle <roger@eyesopen.com>
4513 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4514 C is one less than the width of X (and related transformations).
4515 * simplify-rtx.c (simplify_unary_operation_1): Transform
4516 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4517 depending on STORE_FLAG_VALUE, were C is one less then the
4520 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4522 Fix PR tree-optimization/26341
4523 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4524 about NAME_MEMORY_TAG's.
4526 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4529 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4530 with hardware float support, and software float support. Add fcpy
4531 alternative to hardware patterns. Add alternatives to copy between
4532 general and floating-point registers to the 32-bit pattern.
4533 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4534 secondary reload to load a QI or HI mode constant into a floating
4536 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4537 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4539 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4542 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4544 (load_macho_picbase_di): Likewise.
4546 2006-02-16 Jeff Law <law@redhat.com>
4548 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4549 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4550 (ssa_name_nonzero_p): Likewise.
4551 (get_value_range): Return NULL if VRP is not running.
4552 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4553 VRP routines do not discover a range.
4554 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4555 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4556 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4557 (tree_expr_nonnegative_p): Similarly.
4558 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4559 (restore_nonzero_vars_to_original_value): Remove.
4560 (unsafe_associative_fp_binop): Remove.
4561 (tree_ssa_dominator_optimize): Remove initialization and
4562 finalization of nonzero_vars and nonzero_vars_stack.
4563 (dom_opt_initialize_block): No longer push marker on
4565 (dom_opt_finalize_block): No longer call
4566 restore_nonzero_vars_to_original_value.
4567 (record_equivalences_from_phis): No longer look for
4568 nonzero PHI arguments.
4569 (cprop_into_successor_phis): No longer propagate nonzero
4570 property into PHI arguments. Lose unused argument. Caller
4572 (record_equivalences_from_stmt): No longer record nonzero
4573 values for SSA_NAMEs.
4574 (lookup_avail_expr): No longer use nonzero_vars.
4576 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4577 for sizetype when sizetype is unsigned.
4579 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4581 PR rtl-optimization/25603
4582 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4583 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4584 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4585 with new meaning of SETS.
4587 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4592 * config/linux.opt: New file.
4593 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4594 LINUX_DYNAMIC_LINKER): Define.
4595 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4596 * config.gcc (*-*-linux*): Define extra_options.
4597 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4598 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4599 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4600 GLIBC_DYNAMIC_LINKER.
4601 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4602 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4603 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4604 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4605 * doc/invoke.texi (GNU/Linux Options): New section.
4607 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4609 * config/sparc/sparc.md (setjmp): Rewrite.
4610 (setjmp_32): Delete.
4611 (setjmp_64): Likewise.
4613 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4615 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4618 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4620 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4623 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4625 PR rtl-optimization/26296
4626 * Makefile.in (loop-invariant.c): Add except.h dependency.
4627 * loop-invariant.c: Include except.h.
4628 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4630 2005-02-16 Paul Brook <paul@codesourcery.com>
4632 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4635 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4637 PR rtl-optimization/25636
4638 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4639 when deciding whether an insn is an initializing insn.
4641 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4643 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4644 (tree_code_size): Ditto.
4645 * tree.h (struct tree_memory_tag): Remove parent_var.
4646 (struct tree_struct_field_tag): New.
4649 (union tree_node): Add sft member.
4650 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4652 (create_sft): Add size and offset argument, set SFT_OFFSET and
4654 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4655 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4656 * tree-flow-inline.h (get_subvar_at): Update for
4657 SFT_OFFSET/SFT_SIZE.
4658 (var_can_have_subvars): Ditto.
4659 (overlap_subvar): Ditto.
4660 * print-tree.c (print_node): Print out interesting things for
4662 * tree-flow.h (struct subvar): Remove offset and size members.
4663 * tree-ssa-operands.c (get_expr_operands): Update for
4664 get_indirect_ref_operands changes.
4665 (get_indirect_ref_operands): Call add_virtual_operand instead of
4666 add_stmt_operand. Only recurse on base var if requested.
4667 (access_can_touch_variable): New function.
4668 (add_stmt_operand): Split virtual operand handling into ...
4669 (add_virtual_operand): Here. Add offset, size, and for_clobber
4670 arguments. Prune alias sets.
4671 (add_call_clobber_ops): Call add_virtual_operand.
4673 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4676 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4678 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4679 than TREE_CODE as index into omp_clause_num_ops array.
4681 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4683 PR rtl-optimization/26184
4684 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4686 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4687 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4688 must_precede, must_follow and tobe_scheduled.
4691 * opts.c (common_handle_option): Free new_option pointer.
4692 * df-core.c (df_analyze): Free postorder pointer.
4694 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4696 * Makefile.in: Fix the examples about the use of stamps
4698 2006-02-15 Michael Matz <matz@suse.de>
4702 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4703 influenced by maximum_field_alignment or DECL_PACKED.
4704 (update_alignment_for_field): Ditto.
4705 (place_field): Ditto.
4706 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4709 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4711 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4712 (debug_flow_info): Pass it.
4713 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4714 * bb-reorder.c (reorder_basic_blocks): Likewise.
4715 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4716 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4717 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4718 * gcse.c (gcse_main, bypass_jumps): Likewise.
4719 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4720 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4721 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4722 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4723 * rtl.h (dump_flow_info): Adjust prototype.
4724 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4725 * var-tracking.c (variable_tracking_main): Likewise.
4726 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4727 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4730 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4732 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4735 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4737 PR tree-optimization/26209
4738 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4739 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4741 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4743 2006-02-14 Roger Sayle <roger@eyesopen.com>
4746 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4747 (X,Y) and the corresponding symmetry related transformations.
4748 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4749 (X,Y) and its symmetry related transformations.
4751 2006-02-14 Roger Sayle <roger@eyesopen.com>
4753 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4756 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4758 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4760 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4763 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4764 support COMDAT group.
4765 * configure: Regenerate.
4767 2006-02-14 Roger Sayle <roger@eyesopen.com>
4772 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4774 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4776 Fix PR tree-optimization/26260
4778 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4780 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4781 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4782 * tree-ssa-structalias.c (create_variable_info_for): Use
4783 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4785 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4787 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4789 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4790 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4791 of the ending condition.
4792 * tree-ssa-loop-manip.c: Include params.h.
4793 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4794 tree_unroll_loop): New functions.
4795 * tree-pass.h (pass_loop_prefetch): Declare.
4796 * loop.c (rest_of_handle_loop_optimize): Test for
4797 -fprefetch-loop-arrays-rtl.
4798 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4799 * timevar.def (TV_TREE_PREFETCH): New timevar.
4800 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4801 pass_loop_prefetch): New.
4802 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4803 (cleanup_tree_cfg_loop): Call scev_reset.
4804 * common.opt (fprefetch-loop-arrays-rtl): Add.
4805 * tree-ssa-loop-prefetch.c: New file.
4806 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4807 (new_temp_expr_table): Initialize expr_vars.
4808 (free_temp_expr_table): Cleanup expr_vars.
4809 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4810 expressions from being merged into one.
4811 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4812 (struct tree_niter_desc): Add control, bound and cmp fields.
4813 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4815 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4816 (tree-cfgcleanup.o): Add SCEV_H dependency.
4817 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4818 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4820 2006-02-14 Richard Guenther <rguenther@suse.de>
4822 PR tree-optimization/26258
4823 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4824 in PHI argument processing.
4826 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4828 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4829 new expression in the requested machine mode.
4831 2006-02-13 Roger Sayle <roger@eyesopen.com>
4833 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4834 directly, instead let do_compare_rtx_and_jump handle this for us.
4835 * expr.c (expand_expr_real_1): Likewise.
4836 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4837 before do_jump_by_parts_greater.
4838 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4839 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4841 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4843 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4845 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4847 PR rtl-optimization/26235
4848 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4849 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4852 2006-02-13 Jeff Law <law@redhat.com>
4854 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4857 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4860 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4861 twice if decl is a builtin. When trying again, call get_callee_fndecl
4862 first to verify it is still a builtin.
4864 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4866 * dwarf2out.c (base_type_die): Don't add AT_name here.
4867 (subrange_type_die): Don't add AT_name here.
4868 (modified_type_die): Rearrange code flow. Do add AT_name here.
4870 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4872 PR rtl-optimization/26247
4873 PR rtl-optimization/26248
4874 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4876 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4878 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4879 * config/fixtfdi.c: Likewise.
4880 * config/fixunstfdi.c: Likewise.
4881 * config/floatditf.c: Likewise.
4883 2006-02-13 Roger Sayle <roger@eyesopen.com>
4886 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4887 into (X,C2) if C1 is a subset of the bits of C2. Transform
4888 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4890 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4892 2006-02-13 Josh Conner <jconner@apple.com>
4895 * varasm.c (function_section): Check for section name before
4896 calling select_section on targets that define
4897 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4898 unlikely_text_section instead of hot_function_section if
4899 first_function_block_is_cold.
4901 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4904 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4906 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4908 PR rtl-optimization/26222
4909 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4910 after tree->rtl expansion.
4911 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4912 before passing it to emit_move_insn.
4914 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4916 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4918 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4919 Clarify documentation.
4920 * c-common.h (warn_write_strings): Remove.
4921 * c-common.c (warn_write_strings): Likewise.
4922 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4925 2006-02-12 Roger Sayle <roger@eyesopen.com>
4928 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4929 (do_jump_parts_zero_rtx): New function renamed from
4930 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4931 (do_jump_parts_equality_rtx): New function split out from
4932 do_jump_parts_equality. Old implementation renamed as above.
4933 Call do_jump_parts_zero_rtx if either operand is zero.
4934 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4935 do all of the heavy lifting.
4936 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4937 calling either do_jump_by_parts_greater_rtx or
4938 do_jump_by_parts_equality_rtx.
4939 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4940 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4941 moved to do_compare_rtx_and_jump, call it directly.
4942 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4943 mode argument. Call do_compare_rtx_and_jump.
4944 (emit_case_nodes): Update calls to do_jump_if_equal.
4946 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4948 PR rtl-optimization/26225
4949 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4951 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4953 PR rtl-optimization/26232
4954 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4956 2006-02-11 Jason Merrill <jason@redhat.com>
4959 * tree-inline.c (declare_return_variable): Just don't use the
4960 modify target if it's a gimple complex reg and the return slot
4963 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4965 * doc/contrib.texi: Update my entry.
4967 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4969 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4971 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4973 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4976 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4978 * doc/invoke.texi (-floop-optimize2): Removed.
4979 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4980 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4981 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4982 * common.opt (floop-optimize2): Removed.
4983 (fmove-loop-invariants): Enabled by default.
4985 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4987 * tree-if-conv.c (combine_blocks): Free the result of
4988 get_loop_exit_edges.
4990 2006-02-10 Jeff Law <law@redhat.com>
4992 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4994 PR tree-optimization/26213
4995 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4996 loop trying to follow SSA_NAME_VALUE chains.
4998 2006-02-10 Richard Guenther <rguenther@suse.de>
5000 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5001 deal with structures that end in implicitly variable sized arrays.
5003 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5005 PR rtl-optimization/24762
5006 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5009 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5011 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5012 (struct ivopts_data): Add regs_used field.
5013 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5014 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5015 instead of loop_data->regs_used;
5016 (free_loop_data): Do not free aux fields for loops.
5017 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5018 and tree_ssa_iv_optimize_finalize.
5020 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5022 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5024 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5027 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5028 computing the effective result type.
5030 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5033 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5034 (tree_overlaps_hard_reg_set): Declare.
5035 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5036 type and signature to match function type expected by walk_tree.
5037 (tree_overlaps_hard_reg_set): New function.
5038 (decl_conflicts_with_clobbers_p): Rename to:
5039 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5040 Use tree_overlaps_hard_reg_set. Changed caller.
5041 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5042 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5043 * cris.c (cris_md_asm_clobbers): Likewise.
5045 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5047 * reload1.c (emit_input_reload_insns): Delete code that tries to
5048 inherit using find_equiv_reg.
5050 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5052 * c-common.h (flag_const_strings): Don't declare.
5053 * c-common.c (flag_const_strings): Remove.
5054 * c.opt (fconst_strings): Remove.
5055 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5056 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5057 (c_common_init_options): Don't set flag_const_strings.
5058 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5060 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5062 * arm.md (tlobits_cbranch): New pattern.
5063 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5064 testing a single bit.
5066 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5069 * tree-ssa-pre.c (create_component_ref_by_pieces):
5070 Handle RETURN_DECL like VAR_DECL.
5072 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5075 * fold-const.c (fold_indirect_ref_1): Fold
5076 "*(foo *)&complexfoo" to "__real__ complexfoo"
5077 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5079 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5081 * tree-flow-inline.h (var_can_have_subvars):
5082 Volatile variables should not have subvariables.
5084 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5087 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5088 multiplying unsigned values.
5091 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5093 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5095 2006-02-08 Jason Merrill <jason@redhat.com>
5098 * tree.def: Elaborate on difference from MODIFY_EXPR.
5099 * doc/c-tree.texi (INIT_EXPR): Likewise.
5100 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5101 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5102 (gimplify_target_expr): Likewise.
5103 (gimplify_cond_expr): Remove target handling.
5104 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5105 (gimplify_expr): Clobber it here.
5106 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5107 Do return slot optimization if we have an INIT_EXPR.
5110 * tree-inline.c (declare_return_variable): Also clear
5111 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5114 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5117 * gimplify.c (gimplify_one_sizepos): Fix typo.
5119 2006-02-08 Jeff Law <law@redhat.com>
5121 PR tree-optimization/21417
5122 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5123 across a backedge if the control statement at the end of the
5124 block is data dependent on other statements in the same block.
5125 (record_temporary_equivalences_from_stmts): Remove over-conservative
5126 test for threading across backedges.
5128 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5129 control statement, handle all three special cases in the same
5130 manner as they all have the same desired solution. No longer
5131 special case edge flag updating when the post dominator is
5134 2006-02-08 Roger Sayle <roger@eyesopen.com>
5136 * tree.def (CHAR_TYPE): Remove.
5137 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5138 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5139 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5140 (gen_string_type_die): Delete unreachable function.
5142 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5143 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5144 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5145 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5146 * builtins.c (type_to_class): Likewise.
5147 * fold-const.c (fold_convert, build_range_check,
5148 merge_ranges): Likewise.
5149 * expr.c (count_type_elements): Likewise.
5150 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5151 * stor-layout.c (layout_type): Likewise.
5152 * ipa-type-escape.c (type_to_consider): Likewise.
5153 * gimplify.c (omp_firstprivatize_type_sizes,
5154 gimplify_type_sizes): Likewise.
5155 * explow.c (promote_mode): Likewise.
5156 * tree-sra.c (is_sra_scalar_type): Likewise.
5157 * varasm.c (output_constant): Likewise.
5158 * tree-inline.c (remap_type_1): Likewise.
5159 * convert.c (convert_to_pointer, convert_to_real,
5160 convert_to_integer, convert_to_complex): Likewise.
5162 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5164 * df-scan.c (df_def_record_1): A set destination may
5165 be a parallel regardless of mode.
5167 2006-02-08 Roger Sayle <roger@eyesopen.com>
5170 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5171 * config/mips/_tilib.c: Remove.
5172 * config/fixtfdi.c: New libgcc source file.
5173 * config/fixunstfdi.c: New source file.
5174 * config/floatditf.c: New source file.
5175 * config/floatunditf.c: New souce file.
5176 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5177 files above instead of config/mips/_tilib.c.
5178 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5180 2006-02-08 Jeff Law <law@redhat.com>
5182 PR tree-optimization/26169
5183 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5186 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5188 * df.h (DF_REG_SIZE): Return the length of the initialized
5191 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5193 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5194 __muldf3): Return a correctly signed zero.
5196 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5198 * passes.c (register_one_dump_file): Accept the current properties
5199 instead of pass number. Adjust call to dump_register. Remove
5201 (register_dump_files): Now a wrapper around...
5202 (register_dump_files_1): ... this one. Do not modify the pass
5204 (next_pass_1): Cosmetic fix.
5205 (execute_todo): Keep second parameter only. Use curr_properties
5206 instead of fetching it from the pass structure. Check and set
5208 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5209 instead of fetching it from the pass structure. Fix calls to
5210 execute_todo. Update curr_properties and initialize .vcg RTL dump
5211 after running the pass. Reset last_verified.
5212 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5214 (FIRST_AUTO_NUMBERED_DUMP): New.
5215 (dump_register): Remove "num" parameter, assign it within the
5217 (get_dump_file_name): Modify template for dumps.
5218 * tree-dump.h (dump_register): Adjust prototype.
5219 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5220 (PROP_trees): Add PROP_gimple_lomp.
5221 (TODO_set_props): New.
5222 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5223 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5224 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5226 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5228 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5229 (sparc64-*-linux*): Likewise.
5230 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5231 * config/sparc/t-linux: New file.
5232 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5233 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5234 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5235 -m32 -mlong-double-128.
5237 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5238 * config/alpha/t-linux: New file.
5239 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5241 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5242 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5243 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5244 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5245 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5246 (CPP_ARCH32_SPEC): Remove.
5248 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5250 PR tree-optimization/26145
5251 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5254 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5257 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5258 >= 240000 when generating code for SOM runtime.
5259 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5260 to $$dyncall when generating code for SOM runtime..
5262 2006-02-07 Dirk Mueller <dmueller@suse.com>
5265 * doc/invoke.texi (-Wsequence-point): Update documentation
5266 that -Wsequence-point is implemented for C++ as well.
5268 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5270 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5271 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5272 (LIB_SPEC): Likewise.
5273 * doc/invoke.texi (SPARC options): Document -pthread.
5275 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5277 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5280 2006-02-07 Roger Sayle <roger@eyesopen.com>
5282 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5283 Correct comment describing BOOLEAN_TYPE.
5285 2006-02-07 Dirk Mueller <dmueller@suse.com>
5287 * c.opt: C++ frontend supports -Wdiv-by-zero.
5288 * c-opts.c (c_common_handle_option): Remove dead case.
5290 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5292 * configure.ac (TLS assembler check): Do not enable TLS by
5293 default on SPARC/Solaris before version 10.
5294 * configure: Regenerate.
5296 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5298 * doc/invoke.texi (xl-compat): Document conversion and support
5301 2006-02-07 Jeff Law <law@redhat.com>
5303 * tree-vrp.c (find_conditional_asserts): Update comments.
5304 (simplify_stmt_for_jump_threading): New.
5305 (identify_jump_threads, finalize_jump_threads): New.
5306 (vrp_finalize): Call identify_jump_threads.
5307 (execute_vrp): Call finalize_jump_threads.
5308 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5309 (vrp_element, vrp_data, vrp_element_p): Remove.
5310 (vrp_hash_elt, vrp_variables_stack): Remove.
5311 (vrp_hash, vrp_eq, record_range): Remove.
5312 (simplify_cond_and_lookup_avail_expr): Remove.
5313 (extract_range_from_cond): Remove.
5314 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5315 (simplify_stmt_for_jump_threading): New.
5316 (dom_thread_across_edge): New wrapper.
5317 (tree_ssa_dominator_optimize): No longer initialize or
5318 finalize any of the VRP datastructures. Remove iteration
5319 step and simplify as a result of removal of iteration step.
5320 (pass_dominator): Perform a cfg cleanup after DOM.
5321 (dom_opt_finalize_block): Use the new common routines
5322 for threading jumps. Simplify stack management slightly.
5323 No longer need to unwind VRP state.
5324 (record_equivalences_from_incoming_edge): No longer record
5326 (eliminate_redundant_computations): No longer call
5327 simplify_cond_and_lookup_avail_expr.
5328 * tree-flow.h (potentially_threadable_block): Prototype.
5329 (thread_across_edge): Likewise.
5330 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5331 (tree-ssa-threadedge.o): Add dependencies.
5332 * tree-ssa-threadedge.c: New file.
5333 * passes.c (init_optimization_passes): Merge PHIs before
5334 calling VRP. Run VRP again late in the SSA optimization pipeline.
5336 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5338 * df-core.c (df_set_blocks): Do not dereference function pointers.
5339 (df_finish1): Likewise.
5340 (df_hybrid_search_forward): Likewise.
5341 (df_hybrid_search_backward): Likewise.
5342 (df_iterative_dataflow): Likewise.
5343 (df_analyze_problem): Likewise.
5344 (df_compact_blocks): Likewise.
5345 (df_dump): Likewise.
5346 * df-scan.c (df_rescan_blocks): Likewise.
5347 (df_record_entry_block_defs): Likewise.
5349 * genconditions.c (write_conditions): Guard the definition of
5350 'insn_conditions' with the check on GCC version.
5351 (write_writer): Guard the traversal 'insn_conditions' with
5352 the check on GCC version.
5354 2006-02-07 Richard Guenther <rguenther@suse.de>
5358 2006-01-30 Richard Guenther <rguenther@suse.de>
5360 * gimplify.c (gimplify_target_expr): Handle easy cases
5361 without creating a temporary.
5363 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5365 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5366 use of float in probability computations. Use edge probabilities
5367 in place of statically computed probabilities.
5368 (min_spec_prob): New static variable.
5369 (schedule_insns): Initialize it.
5370 (GET_SRC_PROB): Removed.
5371 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5373 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5376 * config/ia64/unwind-ia64.c: Revert last change.
5377 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5378 (INCOMING_FRAME_SP_OFFSET): Define.
5380 2006-02-06 Roger Sayle <roger@eyesopen.com>
5382 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5384 2006-02-07 Ben Elliston <bje@au.ibm.com>
5386 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5387 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5388 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5389 (ix86_return_in_memory): Handle TDmode.
5390 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5391 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5393 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5395 * reorg.c (dbr_schedule): Use dump_file instead of file.
5397 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5400 * config/ia64/predicates.md (extr_len_operand): New predicate.
5401 * config/ia64/ia64.md (extv): Tighten constraints.
5403 (*tbit_and_2): Ditto.
5404 (*tbit_and_3): Ditto.
5405 (*tbit_or_2): Ditto.
5406 (*tbit_or_3): Ditto.
5410 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
5413 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
5415 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5417 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
5418 loop_optimizer_init and loop_optimizer_finalize
5419 * tree-ssa-sink.c (execute_sink_code): Ditto.
5420 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5421 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5422 tree_ssa_loop_done): Ditto.
5423 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5424 * sched-ebb.c: Include output.h.
5425 (schedule_ebbs): Do not use dump argument.
5426 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5427 * loop.c (loop_dump_stream): Removed.
5428 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5430 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5431 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5432 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5433 loop_iterations, strength_reduce, record_biv, record_giv,
5434 final_giv_value, check_final_value, check_ext_dependent_givs,
5435 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5436 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5437 dump_file instead of loop_dump_stream.
5438 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5440 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5442 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5443 * haifa-sched.c: Include output.h
5444 (schedule_insns, sched_init): Do not use dump argument.
5445 * mode-switching.c (optimize_mode_switching): Ditto.
5446 * modulo-sched.c (stats_file): Removed.
5447 (print_node_sched_params): Do not call argument dump_file.
5448 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5449 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5451 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5453 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5454 rtl_loop_init, rtl_loop_done): Ditto.
5455 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5456 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5458 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5459 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5460 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5461 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5462 * emit-rtl.c (renumber_insns): Ditto.
5463 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5464 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5465 * regclass.c (regclass): Ditto.
5466 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5467 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5468 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5469 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5471 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5472 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5474 * gcse.c (gcse_file, debug_stderr): Removed.
5475 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5476 rest_of_handle_gcse): Do not use dump argument.
5477 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5478 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5479 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5480 compute_code_hoist_vbeinout, compute_code_hoist_data,
5481 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5482 compute_store_table, build_store_vectors, insert_insn_start_bb,
5483 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5484 store_motion): Use dump_file instead of gcse_file.
5485 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5486 * profile.c (profile_dump_file): Removed.
5487 (branch_prob): Use dump_file instead of profile_dump_file.
5488 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5490 * tree-ssa-copy.c (dump_copy_of): Ditto.
5491 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5492 dump file to life_analysis.
5493 * bt-load.c (branch_target_load_optimize): Ditto.
5494 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5496 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5497 regclass, dbr_schedule): Declaration changed.
5498 * sched-int.h (sched_init): Declaration changed.
5499 * tree-profile.c (tree_profile_dump_file): Removed.
5500 (tree_profile_hooks): Removed profile_dump_file hook.
5501 * rtl-profile (rtl_profile_dump_file): Removed.
5502 (rtl_profile_hooks): emoved profile_dump_file hook.
5503 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5505 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5506 * tree-cfg.c (build_tree_cfg): Ditto.
5507 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5508 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5509 Declaration changed.
5510 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5511 life_analysis and schedule_insns.
5512 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5514 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5516 * config/mips/mips.c (mips_reorg): Ditto.
5517 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5520 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5522 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5523 (s390_mangle_fundamental_type): New.
5524 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5527 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5528 (alpha_mangle_fundamental_type): New.
5529 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5532 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5534 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5536 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5537 (sparc_mangle_fundamental_type): New.
5539 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5541 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5542 (s390x-*-linux*): Likewise.
5543 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5544 * config/s390/t-linux: New file.
5546 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5548 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5549 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5551 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5553 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5554 (ANTIC_SAFE_LOADS): New macro.
5555 (find_or_generate_expression): Add prototype.
5556 (set_contains_value): Allow null set for sake of not always having
5557 to allocate ANTIC_SAFE_LOADS.
5558 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5559 Allow COMPONENT_REF too.
5560 (valid_in_set): Allow COMPONENT_REF.
5561 Check ANTIC_SAFE_LOADS too.
5562 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5563 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5565 (can_PRE_operation): Add COMPONENT_REF.
5566 (create_component_ref_by_pieces): New function.
5567 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5568 (insert_aux): Move AGGREGATE_TYPE_P check here.
5569 (compute_avail): Set bb local stmt uids.
5570 (pass_pre): Use TODO_update_ssa_only_virtuals.
5572 2006-02-06 Ben Elliston <bje@au.ibm.com>
5574 * configure.ac: Unconditionally disable decimal float by default.
5575 * configure: Regenerate.
5577 2006-02-06 Ben Elliston <bje@au.ibm.com>
5579 * read-rtl.c (read_name): Terminate reading on EOF.
5581 2006-02-06 Ben Elliston <bje@au.ibm.com>
5583 * dfp.c (decimal_real_arithmetic): Change second argument type
5584 from int to enum tree_code. Do not always return true, but now
5585 return result of any call to decimal_do helper functions.
5586 * dfp.h (decimal_real_arithmetic): Update prototype.
5588 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5590 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5592 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5595 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5598 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5600 * tree-vrp.c (cfg_loops): Removed.
5601 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5602 Use current_loops instead of cfg_loops. Pass flags to
5603 loop_optimizer_init.
5604 * cfgloopmanip.c (fix_loop_structure): Update only available
5606 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5607 loop_optimizer_init.
5608 * modulo-sched.c (build_loops_structure): Removed.
5609 (sms_schedule): Use loop_optimizer_init.
5610 * loop-init.c (loop_optimizer_init): Use flags to determine
5611 which properties of loops to prepare.
5612 (rtl_loop_init): Pass flags to loop_optimizer_init.
5613 * tree-ssa-sink.c (execute_sink_code): Ditto.
5614 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5615 * tree-ssa-pre.c (init_pre): Ditto.
5616 * cfgloop.h (LOOPS_NORMAL): New.
5617 (loop_optimizer_init): Declaration changed.
5619 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5621 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5622 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5624 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5626 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5628 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5629 * pa/t-pa64: Delete quadlib.c rule.
5630 * pa/x-ada: Revert last change.
5631 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5633 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5635 PR rtl-optimization/26087
5636 * rtlanal.c (canonicalize_condition): Do not cross basic block
5639 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5642 * config/ia64/ia64.c: Include debug.h.
5643 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5644 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5645 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5646 (process_epilogue, process_set, process_for_unwind_directive):
5647 Output unwind info only if requested. Add CFA info if requested.
5648 Add new arguments as needed. Adjust callers.
5649 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5651 (DWARF2_FRAME_INFO): Define to zero.
5652 * config/ia64/unwind-ia64.c: Remove code that compensated for
5653 the CFA offset error fixed above.
5654 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5655 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5656 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5657 -funwind-tables and -fexceptions to enable frame info.
5658 (dwarf2out_frame_init): Define initial CFA even if
5659 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5660 DWARF2_UNWIND_INFO is nonzero, not just defined.
5661 (dwarf2out_frame_finish): Output non-EH call frame info only
5662 if DWARF2_FRAME_INFO is nonzero.
5663 (convert_cfa_to_loc_list,
5664 compute_frame_pointer_to_cfa_displacement): Define even if
5665 unwind info is not supported.
5666 (gen_subprogram_die): Use the above unconditionally. Remove
5667 legacy alternate code.
5668 * toplev.c (compile_file): Compile in call to
5669 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5670 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5672 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5673 Jakub Jelinek <jakub@redhat.com>
5675 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5676 IBM extended float format long double as "g" on powerpc*-linux.
5678 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5681 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5682 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5684 2006-02-03 Jason Merrill <jason@redhat.com>
5687 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5690 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5691 on the return slot if it's an NRV.
5693 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5695 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5696 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5697 rewrite_use): Do not handle USE_OUTER.
5698 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5699 add_iv_outer_candidates, may_replace_final_value,
5700 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5701 (find_interesting_uses_op): Functionality of
5702 find_interesting_uses_outer_or_nonlin moved here.
5703 (find_interesting_uses_outside): Use find_interesting_uses_op.
5705 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5708 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5710 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5711 Ulrich Weigand <uweigand@de.ibm.com>
5714 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5715 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5716 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5717 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5719 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5720 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5721 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5722 Define secondary reloads for TFmode moves.
5723 (constant_modes): Add TFmode.
5724 (NR_C_MODES): Set to 8.
5725 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5727 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5728 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5729 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5730 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5731 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5732 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5733 (FPR mode macro): Add TFmode.
5734 (DSF mode macro): New.
5735 (<de>, <dee> mode attributes): Removed.
5736 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5737 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5738 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5739 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5740 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5741 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5742 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5743 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5744 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5745 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5746 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5747 "*negabs<mode>2", "sqrt<mode>2"):
5748 Changed <de> to <xde>. R constraint replaced by <Rf>.
5749 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5751 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5752 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5753 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5755 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5756 "extenddftf2", "extendsftf2"): New expanders.
5757 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5758 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5759 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5760 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5762 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5763 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5764 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5765 __floatditf): Add a GCC_4.1.0 symbol version tag.
5766 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5769 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5772 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5773 Use targetm.binds_local_p instead of TREE_PUBLIC.
5775 2006-02-02 Roger Sayle <roger@eyesopen.com>
5777 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5778 on INTEGER_TYPEs to indicate that it denotes a character type.
5779 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5780 signed_char_type_node, unsigned_char_type_node and char_type_node.
5781 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5782 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5783 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5785 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5786 Daniel Berlin <dberlin@dberlin.org>
5788 * tree-tailcall.c (arg_needs_copy_p): New function.
5789 (eliminate_tail_call): Use arg_needs_copy_p.
5790 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5791 (add_virtual_phis): New function.
5793 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5795 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5796 #ignore instead of #scratch for %g7 .register directive.
5798 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5800 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5803 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5805 * flow.c (calculate_global_regs_live): Assert that there aren't any
5808 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5810 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5812 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5813 bsi_after_labels iterator.
5814 * tree-if-conv.c (find_phi_replacement_condition,
5815 replace_phi_with_cond_modify_expr): Likewise.
5816 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5817 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5819 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5821 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5823 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5826 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5827 array after growing it.
5829 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5832 * fold-const.c (fold_checksum_tree): Change type of buf.
5834 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5836 * reload.c (push_secondary_reload): Initialize t_icode.
5838 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5840 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5841 -msoft-float -mlong-double-128 only issue a warning, but don't
5842 swich to DFmode long double.
5844 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5846 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5847 has a constant equivalent, iterate over equivalents for arg0,
5848 calling simplify_relational_operation and if there's a result
5849 cheaper than X, apply fold_rtx and return the result.
5851 2006-02-01 Jan Hubicka <jh@suse.cz>
5853 * opts.c (no_unit_at_a_time_default): New global variable.
5854 (decode_options): Use it.
5855 * opts.h (no_unit_at_a_time_default): Declare.
5857 2006-02-01 Paul Brook <paul@codesourcery.com>
5859 * function.c (assign_parm_setup_reg): Use function argument promotion
5861 * expr.c (expand_expr_real_1): Use function argument promotion rules
5864 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5866 * gcc.c (process_command): Change j to 'unsigned int'.
5868 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5871 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5872 Use the corrected index for the character
5873 out of the string constant.
5875 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5877 * mode-switching.c (optimize_mode_switching): Fix size
5878 allocated for bb_info[n_entities].
5880 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5882 * gcc.c (main): Correct type that is allocated for
5883 explicit_link_files.
5885 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5887 * config/s390/s390.c (init_alignment_context): Set
5888 ALIAS_SET_MEMORY_BARRIER on the MEM.
5889 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5891 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5894 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5896 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5899 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5901 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5902 * regrename.c: Ditto.
5903 * tree-ssa-loop-im.c: Ditto.
5904 * tree-dump.c: Ditto.
5905 * tree-complex.c: Ditto.
5906 * genrecog.c: Ditto.
5907 * tree-ssa-threadupdate.c: Ditto.
5909 * java/class.c: Ditto.
5910 * java/jcf-parse.c: Ditto.
5911 * java/resource.c: Ditto.
5912 * java/except.c: Ditto.
5913 * java/jvspec.c: Ditto.
5914 * java/jcf-write.c: Ditto.
5915 * java/jcf-path.c: Ditto.
5916 * java/gjavah.c: Ditto.
5917 * java/zextract.c: Ditto.
5918 * java/jcf-io.c: Ditto.
5919 * java/jcf.h: Ditto.
5920 * java/buffer.c: Ditto.
5921 * java/lang.c: Ditto.
5922 * java/parse-scan.y: Ditto.
5923 * java/lex.c: Ditto.
5924 * java/lex.h: Ditto.
5925 * cfgloopmanip.c: Ditto.
5926 * postreload-gcse.c: Ditto.
5927 * tree-ssa-loop-manip.c: Ditto.
5928 * postreload.c: Ditto.
5929 * tree-ssa-loop-ch.c: Ditto.
5933 * diagnostic.c: Ditto.
5935 * genoutput.c: Ditto.
5937 * cfghooks.c: Ditto.
5938 * cfgloopanal.c: Ditto.
5939 * objc/objc-act.c: Ditto.
5941 * genextract.c: Ditto.
5942 * genautomata.c: Ditto.
5943 * pretty-print.c: Ditto.
5945 * cgraphunit.c: Ditto.
5948 * haifa-sched.c: Ditto.
5949 * dominance.c: Ditto.
5951 * tree-ssa-loop-ivopts.c: Ditto.
5953 * mode-switching.c: Ditto.
5954 * modulo-sched.c: Ditto.
5956 * ipa-pure-const.c: Ditto.
5958 * fix-header.c: Ditto.
5960 * tree-stdarg.c: Ditto.
5961 * ipa-utils.c: Ditto.
5962 * loop-init.c: Ditto.
5963 * ipa-inline.c: Ditto.
5966 * alloc-pool.c: Ditto.
5967 * dwarf2out.c: Ditto.
5969 * genattrtab.c: Ditto.
5970 * tree-ssa-loop-ivcanon.c: Ditto.
5974 * fortran/gfortranspec.c: Ditto.
5976 * local-alloc.c: Ditto.
5977 * langhooks.c: Ditto.
5978 * function.c: Ditto.
5979 * tree-vectorizer.c: Ditto.
5981 * ipa-type-escape.c: Ditto.
5983 * tree-if-conv.c: Ditto.
5986 * tree-data-ref.c: Ditto.
5987 * loop-unroll.c: Ditto.
5988 * treelang/treetree.c: Ditto.
5991 * ggc-common.c: Ditto.
5993 * coverage.c: Ditto.
5995 * tree-cfgcleanup.c: Ditto.
5996 * tree-ssa-pre.c: Ditto.
5997 * cfgcleanup.c: Ditto.
5998 * loop-invariant.c: Ditto.
6000 * ipa-prop.c: Ditto.
6001 * print-tree.c: Ditto.
6002 * conflict.c: Ditto.
6003 * ggc-page.c: Ditto.
6004 * sched-deps.c: Ditto.
6005 * regclass.c: Ditto.
6006 * tree-object-size.c: Ditto.
6008 * bb-reorder.c: Ditto.
6009 * resource.c: Ditto.
6010 * var-tracking.c: Ditto.
6012 * df-problems.c: Ditto.
6013 * reg-stack.c: Ditto.
6016 * sched-rgn.c: Ditto.
6017 * tree-ssa-structalias.c: Ditto.
6018 * tree-ssa-reassoc.c: Ditto.
6019 * config/darwin-c.c: Ditto.
6020 * config/darwin.c: Ditto.
6021 * config/arm/arm.c: Ditto.
6023 * collect2.c: Ditto.
6026 2006-01-31 Nicolas Pitre <nico@cam.org>
6028 * arm.md (smaxsi3): Make aware of smax_m1.
6031 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6033 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6035 2006-01-31 Richard Guenther <rguenther@suse.de>
6037 * doc/invoke.texi (-msselibm): Document.
6038 * target.h (expand_library_builtin): New target hook.
6039 * builtins.c (expand_builtin): Use expand_library_builtin.
6040 (default_expand_library_builtin): New function.
6041 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6042 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6043 (link_gcc_math_spec): Declare.
6044 (static_specs): Add link_gcc_math_spec.
6045 * expr.h (default_expand_library_builtin): Declare.
6046 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6047 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6048 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6049 * config/i386/i386.opt (msselibm): New target option.
6050 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6051 (ix86_init_sse_abi_builtins): New function.
6052 (ix86_expand_library_builtin): Likewise.
6053 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6054 (override_options): Handle error conditions wrt -msselibm.
6055 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6056 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6057 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6060 2006-01-31 Richard Guenther <rguenther@suse.de>
6061 Paolo Bonzini <bonzini@gnu.org>
6063 * doc/install.texi (--disable-libgcc-math): Document.
6065 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6067 * expr.h (expand_normal): new inline function.
6068 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6070 * dwarf2out.c: use it.
6075 * config/sparc/sparc.c: use it.
6076 * config/i386/i386.c: use it.
6077 * config/rs6000/rs6000.c: use it.
6078 * config/arm/arm.c: use it.
6079 * config/mips/mips.c: use it.
6080 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6082 2006-01-30 Roger Sayle <roger@eyesopen.com>
6084 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6085 argv to the appropriate type.
6087 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6089 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6092 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6095 * config/s390/s390.c (struct machine_function): New flag
6096 decomposed_literal_pool_addresses_ok_p.
6097 (s390_reorg): Set it before final stage of literal pool transforms.
6098 (s390_decompose_address): Only accept displacements of the form
6099 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6101 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6103 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6104 the comparison routine return.
6106 2006-01-30 Michael Matz <matz@suse.de>
6108 * global.c (find_reg): Only evict for global regs.
6109 Take n_refs into account and dump more info.
6111 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6114 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6115 (pragma_trap, pragma_nosave_low_regs): Likewise.
6116 (current_function_anonymous_args): Likewise.
6117 (sh_deferred_function_attributes): New variable.
6118 (sh_deferred_function_attributes_tail): Likewise.
6119 (print_operand): For '@', look up trap_exit attribute.
6120 (calc_live_regs): Look up trapa_handler attribute. For trapa
6121 handlers, save/restore fpscr, but don't do any other
6122 interrupt-specific saves.
6123 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6124 Fix check for partially saved registers to check for SHmedia.
6125 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6126 (sh_output_function_epilogue): Don't clear any of the removed
6128 (sh_insert_attributes): Don't check pragma_interrupt.
6129 Insert deferred attributes. Check that interrupt attribute is
6130 present for other attributes that require its presence.
6131 (sh_attribute_table): Add new attributes trapa_handler and
6133 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6134 Don't check for pragma_interrupt. Don't store argument.
6135 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6136 (sh_deferred_function_attributes): Declare.
6137 (sh_deferred_function_attributes_tail): Likewise.
6138 * sh.md (sp_switch_1): Add operand. Change generator caller.
6139 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6140 (*return_i): Don't use when trap_exit attribute is in effect.
6141 (*return_trapa): New insn pattern.
6143 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6144 setting c_target_objs and cxx_target_objs.
6145 * t-sh: Add rule for sh-c.o.
6147 2006-01-30 Richard Guenther <rguenther@suse.de>
6150 * gimplify.c (gimplify_target_expr): Handle easy cases
6151 without creating a temporary.
6153 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6155 * vec.h (safe_grow): Remove duplicated line.
6157 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6160 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6161 (expand_omp): ... here.
6162 (expand_omp_parallel): Only remove barriers for combined
6163 parallel+workshare constructs.
6165 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6169 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6170 * tree.c (build_qualified_type): Chain the new type to the original
6171 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6172 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6173 (build_pointer_type_for_mode): Only return unqualified types.
6174 (build_reference_type_for_mode): Likewise.
6176 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6178 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6179 * Makefile.in (CXX_COMPAT_WARN): Define.
6180 * configure: Regenerate.
6182 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6185 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6188 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6190 * toplev.c: Fix thinko.
6192 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6193 Marcin Dalecki <martin@dalecki.de>
6195 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6196 (push_srcloc): Use XNEW.
6197 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
6199 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6201 * df-core.c (df_set_blocks): Deleted all variable.
6203 2006-01-28 Ian Lance Taylor <ian@airs.com>
6205 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6206 cgraph_output_pending_asms.
6208 2006-01-28 Zack Weinberg <zackw@panix.com>
6210 * c.opt: Add -W(no-)overlength-strings.
6211 * doc/invoke.texi: Document it.
6212 * c-opts.c (c_common_handle_option): -pedantic implies
6213 -Woverlength-strings, if not explicitly disabled already.
6214 (c_common_post_options): -Woverlength-strings defaults to off, and
6215 is always off for C++.
6216 * c-common.c (fix_string_type): Issue warning about strings longer
6217 than is portable only if warn_overlength_strings. Rearrange code
6218 a little for clarity.
6219 * configure.in: Check for -Wno-overlength-strings as well before
6220 enabling -pedantic in stage 1.
6221 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6222 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6224 * genconditions.c (write_header, write_one_condition)
6225 (write_conditions, write_writer): Consolidate very long strings
6226 that were broken up to fit in C89 portable limit. Don't use
6227 printf when fputs will do.
6229 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6231 * combine.c (simplify_comparison <AND>): Check
6232 TRULY_NOOP_TRUNCATION before start using a subreg.
6234 * config/mips/mips.md (*branch_zero<mode>,
6235 *branch_zero<mode>_inverted, *branch_equality<mode>,
6236 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6237 Remove mode check from comparisons.
6239 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6241 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6243 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6245 * expmed.c (const_mult_add_overflow_p): Remove.
6246 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6248 * recog.c (validate_replace_rtx_subexp): Remove.
6249 * recog.h: Remove the prototype for
6250 validate_replace_rtx_subexp.
6252 * integrate.h: Remove the prototype for
6253 copy_decl_for_inlining.
6254 * rtl.h: Remove the prototype for mark_constant_function.
6255 * tree-vectorizer.h: Remove the prototype for
6256 vect_strip_conversion.
6258 * modulo-sched.c (create_partial_schedule,
6259 free_partial_schedule, reset_partial_schedule): Make them
6262 * hooks.c (hook_bool_rtx_int_false): Remove.
6263 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6265 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6267 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6268 and -mlong-double-128 are incompatible.
6269 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6270 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6271 (TARGET_LIBGCC2_CFLAGS): Define.
6272 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6273 (TARGET_LIBGCC2_CFLAGS): Same.
6274 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6276 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6279 * c-typeck.c (build_binary_op): Perform implicit casts of
6280 operands before shortening them.
6282 * cfgloopmanip.c (split_loop_bb): Remove.
6283 * cfgloop.h: Remove the prototype for split_loop_bb.
6285 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6286 * cfgloop.h: Remove the prototype for
6287 flow_loop_outside_edge_p.
6289 * emit-rtl.c (init_virtual_regs): Make it static.
6290 * function.h: Remove the prototype for init_virtual_regs.
6292 * recog.c (peephole2_optimize): Make it static.
6293 * recog.h: Remove the prototype for peephole2_optimize.
6295 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6297 * df-scan.c (df_record_entry_block_defs): Check if
6298 INCOMING_RETURN_ADDR_RTX is defined.
6300 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6301 Kenneth Zadeck <zadeck@naturalbridge.com>
6303 PR rtl-optimization/24762
6304 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6305 * targhooks.c (hook_void_bitmap): New hook prototype.
6306 * targhoohs.h (hook_void_bitmap): Ditto.
6307 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6308 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6309 * target.h (live_on_entry): New function pointer.
6310 * df-scan.c (df_all_hard_regs): Removed.
6311 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6312 (df_scan_free_internal): Added df->entry_block_defs.
6313 (df_scan_alloc): Ditto.
6314 (df_scan_dump): Ditto.
6315 (df_uses_record): Plumbed flag field properly thru calls.
6316 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6317 This part fixes PR24762.
6318 (df_bb_refs_record): Added code to make the frame and arg
6319 pointers live in EH blocks.
6320 (df_refs_record): Added call to df_record_entry_block_defs.
6321 (df_record_entry_block_defs): New function.
6322 * df-core.c: Added comments to describe new artifical defs.
6323 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6324 (entry_block_defs): New field in struct df.
6325 (df_all_hard_regs): Deleted.
6326 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6327 * df-problems.c (df_ru_bb_local_compute_process_def):
6328 Added code to handle artifical defs in the entry to a function.
6329 (df_ru_bb_local_compute): Ditto.
6330 (df_rd_bb_local_compute_process_def): Ditto.
6331 (df_rd_bb_local_compute): Ditto.
6332 (df_lr_bb_local_compute): Ditto.
6333 (df_ur_bb_local_compute): Ditto.
6334 (df_urec_bb_local_compute): Ditto.
6335 (df_chain_create_bb): Ditto.
6336 (df_ur_local_finalize): Removed entry.
6337 (df_urec_init): Ditto.
6338 (df_urec_local_finalize): Ditto.
6339 (df_ri_bb_compute): Added detection of last use of pseudos.
6340 * Makefile.in (df-scan.o): Updated dependencies.
6341 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6342 * config/mips/mips.c (mips_set_live_on_entry): Added.
6343 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6345 * dce.c (marked_insn_p): Added code to handle artifical defs.
6347 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6349 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6351 (_mm_cvtsi128_si64): Likewise.
6352 (_mm_cvtsd_si64): Likewise.
6353 (_mm_cvttsd_si64): Likewise.
6354 (_mm_cvtsi64_sd): Likewise.
6355 (_mm_cvtsi64_si128): Likewise.
6356 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6357 (_mm_cvtsi64_m64): Likewise.
6358 (_m_to_int64): Likewise.
6359 (_mm_cvtm64_si64): Likewise.
6360 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6361 (_mm_cvttss_si64): Likewise.
6362 (_mm_cvtsi64_ss): Likewise.
6363 (_mm_cvtss_f32): Likewise.
6365 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6367 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6368 for pragma redefine_extname.
6370 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6373 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6374 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6375 -mno-minimal-toc to previous content.
6376 (bispecs): Remove goal.
6377 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6378 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6379 compatibility aliases on powerpc-*-*gnu*.
6380 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6381 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6382 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6383 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6384 (ldblspecs): New goal.
6385 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6386 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6388 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6389 L_sf_to_tf or L_df_to_tf is defined.
6391 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6392 Alan Modra <amodra@bigpond.net.au>
6395 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6396 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6397 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6398 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6399 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6400 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6401 (rs6000_override_options): Initialize rs6000_ieeequad.
6402 Initialize TFmode format to ibm_extended_format if not
6404 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6406 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6407 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
6408 (function_arg_advance): IBM long double passed in two FPRs, not
6410 (function_arg): IBM long double passed in FPRs.
6411 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
6412 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
6413 Only multireg GPR aligned.
6414 (rs6000_init_libfuncs): Enable IBM long double functions if not
6416 (rs6000_generate_compare): Use IBM long double compare if not
6418 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6419 (TARGET_IEEEQUAD): Define.
6420 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6421 not TARGET_IEEEQUAD.
6422 * config/rs6000/rs6000.md: Enable TFmode patterns if
6424 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6425 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6426 and -mlong-double-128 are incompatible.
6427 * doc/invoke.texi (-mabi): Collect options together. Add
6428 ibmlongdouble and ieeelongdouble.
6430 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6432 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6434 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6435 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6436 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6437 * rtl.h (rtunion_def): Remove rt_ptr.
6439 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6440 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6441 * config/i386/winnt.c (i386_pe_mark_dllexport)
6442 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6444 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6446 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6448 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6452 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6453 pthread_key_delete. From John David Anglin. gthrw-ify
6454 pthread_getunique_np only if it it's not a macro. Delete
6456 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6457 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6458 __gthread_objc_condition_signal, __gthread_key_delete): Add
6459 "__attribute__ ((__unused__))" to unused arguments.
6460 (__gthread_recursive_mutex_init_function): Add missing return.
6461 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6462 gthr-posix95.h: Use macro-based approach for name redirection
6463 on targets missing weakref.
6465 2006-01-26 Zack Weinberg <zackw@panix.com>
6467 * genconditions.c (write_header): In generated code, #ifdef out
6468 all includes and fake declarations, except includes of bconfig.h
6469 and system.h, unless GCC_VERSION >= 3001. Do not include
6470 gensupport.h in any case.
6471 (write_conditions): Generate a definition of struct c_test. Add
6472 a comment to the generated #endif.
6473 (write_one_condition): Escape backslashes in string too.
6474 (write_writer): Generated code must escape backslashes and quote
6475 marks (but not newlines) in the strings it writes.
6476 * Makefile.in (build/gencondmd.o): Update dependencies.
6478 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6481 * Makefile.in (insn-automata.o): Add header file dependencies.
6482 * genautomata.c: Add includes.
6484 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6487 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6489 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6491 * configure.ac: Expect target tools paths to be passed from the toplevel
6492 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6494 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6496 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6499 * c.opt (Wpointer-sign): Init to -1.
6500 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6501 OPT_pedantic, to 0 otherwise.
6502 * doc/invoke.texi: Update.
6504 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6506 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6507 constants provided by 80387 instructions in the destination mode.
6509 2006-01-26 Richard Guenther <rguenther@suse.de>
6510 Andrew Pinski <pinskia@physics.uc.edu>
6513 partial PR tree-opt/17064
6514 * tree-ssa-structalias.c (intra_create_variable_infos):
6515 Create heap variables for incoming parameters if
6516 flag_argument_noalias > 1.
6517 (find_what_p_points_to): Look through default defs of
6520 2006-01-26 Jeff Law <law@redhat.com>
6523 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6524 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6525 within the VR_RANGE, use the VR_RANGE as the result, not the
6527 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6528 bounds for the type.
6530 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6532 * tree-ssa-alias.c (maybe_create_global_var): Change
6533 subvar walking to an assertion that we don't have subvar'd variables.
6535 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6538 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6539 Use a new variable, inner. PARM_DECLs are always non-weak.
6541 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6543 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6546 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6548 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6550 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6552 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6553 (smax_insn, smin_insn, smax_0, smin_0): New.
6555 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6558 * config/cris/cris.c (cris_order_for_addsi3): New function.
6559 * config/cris/cris-protos.h: Prototype it.
6560 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6561 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6562 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6563 (split for "op.S1 [rx=rx+i],ry (swapped)")
6564 (split for "op(s|u).S1 [rx=rx+i],ry")
6565 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6566 Apply cris_order_for_addsi3 when generating addsi3 insns.
6568 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6570 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6571 (TREE_BLOCK): Add call to EXPR_CHECK.
6573 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6576 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6577 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6578 (dump_omp_clauses): ... here.
6579 (dump_generic_node): Handle OMP_CLAUSE.
6580 * tree.c (omp_clause_num_ops): New.
6581 (omp_clause_code_name): New.
6582 (tree_code_size): Handle OMP_CLAUSE.
6583 (tree_size): Likewise.
6584 (make_node): Document handling of OMP_CLAUSE.
6585 (tree_node_structure): Handle OMP_CLAUSE.
6586 (omp_clause_check_failed): New.
6587 (omp_clause_range_check_failed): New.
6588 (omp_clause_operand_check_failed): New.
6589 (build_omp_clause): New.
6590 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6591 * tree.h (enum omp_clause_code): Declare.
6592 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6593 (OMP_CLAUSE_RANGE_CHECK): Define.
6594 (OMP_CLAUSE_ELT_CHECK): Define.
6595 (omp_clause_check_failed): Declare.
6596 (omp_clause_operand_check_failed): Declare.
6597 (omp_clause_range_check_failed): Declare.
6598 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6599 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6600 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6601 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6602 (OMP_CLAUSE_IF_EXPR): Likewise.
6603 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6604 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6605 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6606 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6607 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6608 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6609 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6610 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6611 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6612 (OMP_CLAUSE_CODE): Define.
6613 (OMP_CLAUSE_SET_CODE): Define.
6614 (OMP_CLAUSE_CODE): Define.
6615 (OMP_CLAUSE_OPERAND): Define.
6616 (struct tree_omp_clause): Declare.
6617 (union tree_node): Add field 'omp_clause'.
6618 * treestruct.def (TS_OMP_CLAUSE): Define.
6619 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6620 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6621 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6622 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6623 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6624 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6625 (OMP_CLAUSE): Define.
6626 * print-tree.c (print_node): Handle OMP_CLAUSE.
6627 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6628 * c-typeck.c: Likewise.
6629 * gimplify.c: Likewise.
6630 * c-omp.c: Likewise.
6631 * tree-nested.c: Likewise.
6632 * tree-inline.c: Likewise.
6633 * c-parser.c: Likewise.
6634 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6637 2006-01-25 Roger Sayle <roger@eyesopen.com>
6639 PR rtl-optimization/25703
6640 * combine.c (try_combine): Handle zero_extract and strict_low_part
6641 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6643 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6645 * global.c: Fix comment typos.
6647 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6650 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6651 Use output_addr_const instead of assemble_name.
6653 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6655 * Makefile.in (sched-vis.o): Update dependencies.
6656 * haifa-sched.c (sched_finish): Clear current_sched_info.
6657 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6658 (dump_flow_info): Call it.
6659 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6661 * basic-block.h (dump_bb_info): Declare.
6662 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6663 option, and apply options only for dump files whose TDF_RTL,
6664 TDF_TREE, or TDF_IPA bits match.
6665 * rtl.h: Declare new functions exported from sched-vis.c.
6666 * sched-vis.c: Enable also if scheduling is not used.
6667 (print_value): Print the mode of registers if not inside scheduling.
6668 (print_insn): Make it work outside the scheduler. Beautify the output
6670 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6672 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6674 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6675 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6676 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6677 depending on the value of CONSTANT_POOL_ADDRESS_P.
6678 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6680 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6681 rather than SYMBOL_REF_DECL.
6682 (rtx_constant_pool): Remove const_rtx_sym_htab.
6683 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6684 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6685 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6686 Remove handling of const_rtx_sym_htab.
6687 (find_pool_constant): Delete.
6688 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6689 rather than find_pool_constant.
6690 (get_pool_constant_for_function): Delete.
6691 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6693 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6694 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6695 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6696 (SYMBOL_REF_CONSTANT): New macro.
6697 (get_pool_constant_for_function): Delete.
6698 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6699 rather than SYMBOL_REF_DECL.
6700 (i386_pe_mark_dllimport): Likewise.
6701 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6702 rather than SYMBOL_REF_DECL.
6703 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6704 (machopic_indirect_call_target): Likewise.
6706 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6708 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6710 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6712 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6714 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6716 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6718 2006-01-24 David Daney <ddaney@avtrex.com>
6721 * configure.ac (enable_tls): New enable option.
6722 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6723 * configure: Regenerate.
6724 * doc/install.texi (--enable-tls): Document new option.
6725 (--disable-tls): Ditto.
6727 2006-01-24 Richard Henderson <rth@redehat.com>
6729 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6730 * alias.c (true_dependence): Respect it.
6731 (canon_true_dependence, write_dependence_p): Likewise.
6732 * builtins.c (get_builtin_sync_mem): Set it.
6734 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6736 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6739 2006-01-24 DJ Delorie <dj@redhat.com>
6741 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6742 for storing constants in single-bit bitfields.
6744 2006-01-25 Ben Elliston <bje@au.ibm.com>
6746 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6748 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6751 * tree-ssa-pre.c (phi_translate): Return NULL
6752 for AGGREGATE_TYPE's.
6754 2006-01-24 Zack Weinberg <zackw@panix.com>
6756 * genautomata.c (process_state_for_insn_equiv_partition):
6757 Use xcalloc for insn_arcs_array.
6758 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6759 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6761 2006-01-24 Richard Henderson <rth@redhat.com>
6763 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6766 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6768 PR rtl-optimization/25890
6769 PR rtl-optimization/25905
6770 * combine.c (expand_compound_operation, expand_field_assignment):
6771 Fail if the bitfield's final position is out of bounds.
6773 2006-01-24 Ian Lance Taylor <ian@airs.com>
6776 * cgraphunit.c (cgraph_output_in_order): Don't clear
6777 cgraph_asm_nodes until after asm strings have been output.
6779 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6781 * fix-header.c (read_scan_file): Add new parameter imultilib when
6782 calling register_include_chains.
6784 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6786 * omp-low.c: Update documentation.
6788 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6789 Daniel Berlin <dberlin@dberlin.org>
6793 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6794 return from the function.
6796 2006-01-22 Zack Weinberg <zackw@panix.com>
6798 * rtl.def (match_code): Add second argument.
6799 * genpreds.c (write_extract_subexp): New function.
6800 (write_match_code): Add path argument. Use write_extract_subexp.
6801 (write_predicate_expr): Pass path to write_match_code.
6802 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6803 not perform a mode test.
6804 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6805 a subexpression does not constrain the top-level code set.
6806 * read-rtl.c (read_rtx_variadic): New function.
6807 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6808 * doc/md.texi: Document new notation.
6809 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6810 (cmpsi_operand): ... here, using new notation.
6812 2006-01-22 Zack Weinberg <zackw@panix.com>
6814 * varray.c: Remove GENERATOR_FILE #ifdefs.
6816 2006-01-22 Zack Weinberg <zackw@panix.com>
6818 * genautomata.c (output_reserved_units_table): Emit nothing if
6819 description->query_units_num is zero. Remove extra blank line.
6820 (output_cpu_unit_reservation_p): Short circuit
6821 if description->query_units_num is zero.
6823 2006-01-22 Zack Weinberg <zackw@panix.com>
6825 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6826 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6827 nor any of the random handful of variables that used to be necessary
6828 when this program was linked with rtlanal.o. Prune set of forward
6829 function declarations.
6830 (struct attr_desc): Remove static_p field.
6831 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6832 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6833 (attr_string): Do not read the character one past the length of
6835 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6836 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6837 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6838 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6839 (make_automaton_attrs): New.
6840 (main): Do not call into genautomata. Call local gen_bypass
6841 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6842 Remove special case for insn_alts.
6843 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6844 varray.h (leftover from previous change). Prune set of forward
6845 function declarations. Remove state_alts fields from all
6846 structures. Remove state_alts_table from struct automaton.
6847 Make everything except main static. Do not maintain num_dfa_decls.
6848 Do not maintain state_alts fields of various structures.
6849 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6850 (add_arc): Remove state_alts argument. All callers updated.
6851 (output_reserved_units_table): Emit #ifdef here...
6852 (output_tables): ...not here. Don't generate state_alts tables.
6853 (expand_automata): Don't generate attributes.
6854 (write_automata): Don't generate state_alts functions.
6855 (main): New function.
6856 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6857 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6858 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6859 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6860 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6861 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6862 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6863 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6865 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6866 * genattrtab.h: Delete file.
6867 * Makefile.in (OBJS-common): Add insn-automata.o.
6868 (insn-automata.o): New rule.
6869 (simple_generated_c): Add insn-automata.c.
6870 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6871 (genprogmd): Add automata.
6872 (build/genattrtab): Needs no extra objects nor libraries.
6873 (build/genautomata): Needs build/vec.o and -lm.
6875 2006-01-22 Zack Weinberg <zackw@panix.com>
6877 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6878 (output_dfa_max_issue_rate, locked_states_num): Delete.
6879 (struct automaton): Add locked_states field.
6880 (output_dead_lock_vect): Save number of locked states in
6881 automaton->locked_states. If it is zero, don't print anything.
6882 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6883 (output_internal_dead_lock_func): Only test the dead_lock_vect
6884 for automata that have locked states.
6885 (output_statistics): Always print the number of locked states for
6886 each automaton. Calculate total number of locked states here.
6887 (write_automata): Don't call output_dfa_max_issue_rate.
6888 * genattrtab.c: Define length_unit_log as a const variable.
6889 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6890 max_insn_queue_index const.
6891 * final.c (length_unit_log): Declare const.
6892 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6894 2006-01-22 Zack Weinberg <zackw@panix.com>
6896 * genautomata.c: Include vec.h, not varray.h.
6897 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6898 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6899 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6900 VEC_* macros operating on appropriately typed vectors, or to
6901 malloced arrays when the size is known in advance. Const-ify
6902 many char* variables and function arguments. No functional changes.
6903 * Makefile.in (build/varray.o): Delete rule.
6904 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6905 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6907 2006-01-22 Zack Weinberg <zackw@panix.com>
6909 * gensupport.c: Define get_insn_name and record_insn_name here.
6910 (read_md_rtx): Call record_insn_name as appropriate.
6911 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6912 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6913 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6915 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6916 (BUILD_VARRAY): Delete.
6917 (genprognormal): Rename genprogmd. Fold in all programs from
6918 genprognoprint; also attrtab.
6919 (build/genattrtab): Just mention genautomata.o and varray.o.
6920 Reorganize a bit, add comments to make the categories clearer.
6922 2006-01-22 Zack Weinberg <zackw@panix.com>
6924 * genconditions.c (condition_table, add_condition): Delete.
6925 (write_conditions): Don't emit n_insn_conditions nor
6926 insn_elision_unavailable. Issue the gcc version #ifdef here,
6927 inside the table, with no #else clause ...
6928 (write_header): ...not here.
6929 (write_writer): New function.
6930 (main): Don't initialize condition_table. Use add_c_test.
6932 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6933 files on the command line.
6934 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6935 Return -1 if there is no entry in the table, don't abort.
6936 (add_c_test, traverse_c_tests): New functions.
6937 * gensupport.h (insn_elision_unavailable, insn_conditions)
6938 (n_insn_conditions): Delete declarations.
6939 (add_c_test, traverse_c_tests): Declare.
6940 * read-rtl.c: Include gensupport.h.
6941 (read_conditions): New function.
6942 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6943 (read_rtx_1): If we get EOF when we were looking for an initial
6944 open paren, return 0. Call read_conditions when appropriate.
6945 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6946 dummy-conditions.o. Eliminate references to insn-conditions.o,
6947 or change them to build/gencondmd.o, as appropriate. Remove
6948 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6949 from $(simple_generated_c). For all files remaining in those
6950 two lists, add insn-conditions.md to the generator command line.
6951 Give insn-constants.h/s-constants their own rules. Add rules
6952 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6953 (build/read-rtl.o): Depend on gensupport.h.
6954 (genprognormal): Include preds.
6955 (genprogearly): Rename genprognoprint; only difference is now that
6956 they don't link with $(BUILD_PRINT).
6957 * dummy-conditions.c: Delete.
6959 2006-01-22 Zack Weinberg <zackw@panix.com>
6961 * genextract.c: Don't include insn-config.h. Do include vec.h.
6962 Declare vectors of int, char, and locstr.
6963 (locstr): New typedef.
6964 (struct extraction): Make all array fields into bare pointers.
6965 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6966 (insn_code_number): Delete.
6967 (accum_extract): New struct.
6968 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6969 (gen_insn): Take insn_code_number as an argument. Use an
6970 accum_extract structure instead of loading data directly into
6971 a struct extraction, and having to know how big it might get.
6972 (walk_rtx): Operate entirely on an accum_extract structure.
6973 (print_path): Avoid unnecessary use of printf.
6974 (print_header): New function, split out of main. Distinguish
6975 more carefully between an unrecognizable insn and an insn that
6976 has the code number of a define_expand.
6977 (main): Pass insn_code_number to gen_insn. Call print_header
6978 only after parsing. Avoid unnecessary use of printf.
6979 * Makefile.in (build/vec.o): New rule.
6980 (build/genextract): Depend on build/vec.o.
6981 (build/genextract.o): Don't depend on insn-config.h.
6983 2006-01-22 Zack Weinberg <zackw@panix.com>
6985 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6986 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6987 practical. Eliminate per-generator-program link rules.
6989 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6992 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6993 with a call expr to ...
6994 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6996 2006-01-23 Richard Guenther <rguenther@suse.de>
6998 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6999 before make_edge with conditional EDGE_TRUE_VALUE.
7001 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7002 Jan Hubicka <jh@suse.cz>
7003 Richard Guenther <rguenther@suse.de>
7005 PR rtl-optimization/25654
7006 * cfgexpand.c (aggregate_contains_union_type): New function.
7007 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7008 for structure variables that contain a union type.
7010 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7012 * gengtype.c (new_structure): Return the structure.
7013 (create_option): Add an extra "next" argument.
7014 (create_field): New function.
7015 (adjust_field_rtx_def): Use create_option and create_field.
7016 Remove a now-unnecessary call to find_structure.
7017 (adjust_field_tree_def): Likewise.
7018 (note_yacc_type): Remove an unnecessary call to find_structure.
7019 * gengtype.h (new_structure): Return the structure.
7020 (create_option): Add an extra argument.
7021 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7022 (option): Adjust calls to create_option.
7024 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7026 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7028 2006-01-22 Paul Brook <paul@codesourcery.com>
7029 Peter Barada <peter@the-baradas.com>
7031 * config/m68k/m68k.md: Add Coldfire FPU support.
7032 Define FP mode macro and associated attributes.
7033 Use it for float mode patterns.
7034 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7035 (LIBCALL_VALUE): Use m68k_libcall_value.
7036 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7037 (m68k_function_value): Ditto.
7038 (emit_move_sequence): Ditto.
7039 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7040 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7041 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7042 (MULTILIB_EXCEPTIONS): Ditto.
7043 * config/m68k/m68k.opt: Add mcfv4e.
7044 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7045 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7046 (m68k_output_function_prologue): Save ColdFire FPU registers.
7047 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7048 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7049 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7050 ColdFire FPU registers.
7051 (m68k_libcall_value, m68k_function_value): New functions.
7052 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7053 (LIBCALL_VALUE): Use m68k_libcall_value.
7054 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7055 (MASK_COLDFIRE): Add MASK_CFV4E.
7056 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7057 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7058 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7059 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7060 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7061 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7062 * doc/invoke.tex: Document -mcfv4e on m68k.
7064 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7066 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7069 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7072 * c-opts.c (c_common_handle_option): Don't include
7073 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7074 * doc/invoke.texi (C++ Dialect Options): Document that
7075 -Wnon-virtual-dtor is no longer included in -Wall.
7077 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7079 * gcov.c (print_version), gcov-dump.c (print_version),
7080 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7083 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7085 * df-scan.c (problem_SCAN): Added NULL reset function.
7086 (df_scan_reset_blocks): Added code to call reset block function
7087 (df_bb_refs_delete) Fixed comment.
7088 (df_insn_refs_delete): Made tolerant of deleting non existent info
7089 for dataflow problems that need to be reset.
7090 * df-core.c (df_set_blocks): Ditto.
7091 * df.h (struct df_problem): Added reset_fun.
7092 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7093 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7094 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7095 functions to clear out all references to def-use or use-def chains.
7097 2006-01-21 Ben Elliston <bje@au.ibm.com>
7099 * varasm.c (assemble_real): Initialise data array.
7101 2006-01-20 Paul Brook <paul@codesourcery.com>
7103 Merge from csl-arm-branch.
7104 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7105 * config/arm/arm.md (movdi): Force operands[1] to a register
7106 if we have a non-register source.
7107 (*arm_movdi, *movdf_soft_insn): Require that one of the
7108 operands be a register.
7109 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7110 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7112 2006-01-20 DJ Delorie <dj@redhat.com>
7114 * varasm.c (initialize_constant_valid_p): Allow pointers
7115 initialized from integer constants of lesser precision.
7116 (output_constant): Allow non-int-sized pointer modes to be
7117 initialized from integer constants.
7119 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7122 * cppdefault.h (struct default_include): Add multilib flag.
7123 * cppdefault.c (cpp_include_defaults): Set it.
7124 * c.opt (-imultilib): New option.
7125 * c-opts.c (imultilib): New.
7126 (c_common_handle_option): Handle -imultilib.
7127 (c_common_post_options): Likewise.
7128 * c-incpath.c (add_standard_paths, register_include_chains):
7130 * c-incpath.h (register_include_chains): Add extra parameter.
7131 * gcc.c (do_spec_1): Generate -imultilib option.
7132 (The Specs Language): Update %I description.
7133 (process_command): Update copyright notice.
7134 * doc/cppopts.texi (-imultilib): Document.
7135 * doc/invoke.texi (-imultilib): Include in option summary.
7136 (%I): Update specs documentation.
7138 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7140 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7142 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7144 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7147 2006-01-20 Richard Guenther <rguenther@suse.de>
7148 Steven Bosscher <stevenb.gcc@gmail.com>
7150 PR rtl-optimization/24626
7151 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7152 EDGE_TRUE_VALUE if in RTL mode.
7155 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7156 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7158 2006-01-20 Dirk Mueller <dmueller@suse.com>
7161 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7162 instead of a special NOP marker.
7163 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7164 NOP marker handling.
7165 * c-common.h (empty_body_warning): Add forward declaration.
7166 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7167 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7169 2006-01-20 Paul Brook <paul@codesourcery.com>
7171 * Makefile.in (lang_checks): Keep going if mkdir fails.
7173 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7175 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7176 be able to clean out basic block when not necessary.
7177 (df_scan_free): Fixed to properly delete information if df is
7178 unused before calling df_finish.
7179 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7180 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7182 (df_bb_refs_delete): New function.
7183 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7184 * df-core.c (df_set_blocks): Added code to properly clean out
7185 unused blocks if they are not part of the blocks to consider.
7186 Added additional null check.
7187 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7188 be able to clean out basic block when not necessary
7189 * df.h (df_free_bb_function): Ditto.
7190 (df_bb_refs_delete): New function.
7191 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7192 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7193 basic block parameter to be able to clean out basic block when not
7195 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7196 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7197 Fixed to properly delete information if df is unused before
7200 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7202 PR rtl-optimization/25799
7203 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7204 Corrected confluence operator to remove bits from op2 before oring
7205 with op1 rather than removing bits from op1.
7206 (df_ru_transfer_function): Corrected test on wrong bitmap which
7207 caused infinite loop. Both of these problems were introduced in
7208 the dataflow rewrite.
7210 2006-01-19 DJ Delorie <dj@redhat.com>
7212 * reload1.c (find_reload_regs): Note the details of reload
7213 failures in the dump file.
7214 (spill_failure): Likewise.
7216 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7218 * loop-iv.c: Include df.h and hashtab.h.
7219 (enum iv_grd_result): New enum.
7220 (DF_REF_IV, DF_REF_IV_SET): New macros.
7221 (struct biv_entry): New.
7222 (df, bivs): New global variables.
7223 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7224 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7226 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7227 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7228 analyzed_for_bivness_p, record_biv): New functions.
7229 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7230 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7231 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7233 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7235 (iv_number_of_iterations): Use new interface to iv analysis.
7236 * loop-unroll.c: Do not include varray.h.
7237 (analyze_iv_to_split_insn): Use new interface to iv
7239 * loop-unswitch.c (may_unswitch_on): Ditto.
7240 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7242 (df_bb_modify): Realloc tables to the new index.
7243 (df_find_use): New function.
7244 * df.h (df_find_use): Declare.
7245 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7247 * cfgloop.h (struct rtx_iv): Remove analysed field.
7248 (iv_get_reaching_def): Removed.
7249 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7250 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7251 (loop-iv.o): Add df.h and hashtab.h dependency.
7252 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7254 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7257 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7259 (__floatundisf, __floatundidf): Likewise.
7260 * libgcc2.h (IS_IBM_EXTENDED): Define.
7262 2006-01-19 DJ Delorie <dj@redhat.com>
7264 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7266 2006-01-19 Paul Brook <paul@codesourcery.com>
7268 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7269 as nothrow when unwinding tables are disabled.
7271 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7274 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7275 of bit-field" when in system header.
7277 2006-01-19 DJ Delorie <dj@redhat.com>
7279 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7280 the 16 bit shift limit of the m16c.
7282 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7285 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7286 * config/i386/i386.c (output_set_got): Output the label if we have one
7287 for the TARGET_DEEP_BRANCH_PREDICTION case.
7289 2006-01-19 Jan Hubicka <jh@suse.cz>
7290 H.J. Lu <hongjiu.lu@intel.com>
7291 Evandro Menezes <evandro.menezes@amd.com>
7293 * invoke.texi (generic): Document
7295 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7296 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7297 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7298 (x86_use_incdec, x86_pad_returns): New variables
7299 (TARGET_CPU_DEFAULT_generic): New constant
7300 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7301 (enum processor_type): Add generic32 and generic64.
7302 * i386.md (cpu attribute): Add generic32/generic64
7303 (movhi splitter): Behave sanely when both partial_reg_dependency and
7304 partial_reg_stall are set.
7305 (K8 splitters): Enable for generic as well.
7306 * predicates.md (incdec_operand): Use TARGET_INCDEC
7307 (aligned_operand): Avoid memory mismatch stalls.
7308 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7309 * ppro.md: Enable for generic32
7310 * i386.c (generic64_cost, generic32_cost): New.
7311 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7312 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7313 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7314 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7315 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7316 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7317 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7318 x86_accumulate_outgoing_args, x86_prologue_using_move,
7319 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7320 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7322 (x86_use_incdec, x86_pad_returns): New.
7323 (override_options): Add generic32 and generic64, translate "generic"
7324 to generic32/generic64 and "i686" to "generic32", refuse
7325 "generic32"/"generic64" as arch target.
7326 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7327 (ix86_reorg): Honor PAD_RETURNS.
7329 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7331 * tree-pretty-print.c (dump_generic_node): Handle
7332 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7333 * cgraph.c (cgraph_expand_queue): Rename from
7334 cgraph_analyze_queue. Update all users.
7335 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7336 cgraph_expand_queue.
7337 (cgraph_expand_all_functions): Likewise.
7338 (cgraph_finalize_pending_functions): Remove. Update callers.
7340 * tree.h (OMP_DIRECTIVE_P): Define.
7341 (OMP_PARALLEL_FN): Define.
7342 (OMP_PARALLEL_DATA_ARG): Define.
7343 (OMP_SECTIONS_SECTIONS): Define.
7344 * tree-pass.h (pass_expand_omp): Declare.
7345 * omp-low.c (struct omp_region): Declare.
7346 (struct omp_context): Remove fields 'parallel_type',
7347 'parallel_start_ix' and 'parallel_start_additional_args'.
7349 (struct omp_for_data): Rename from struct expand_omp_for_data.
7350 (omp_regions): New static variable.
7351 (root_omp_region): New static variable.
7352 (find_omp_clause): Make static.
7353 (is_in_combined_parallel_ctx): Remove.
7354 (is_combined_parallel): New.
7355 (extract_omp_for_data): Move earlier in the file.
7356 (workshare_safe_to_combine_p): New.
7357 (get_ws_args_for): New.
7358 (determine_parallel_type): Move earlier in the file.
7359 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7361 (omp_copy_decl): Likewise.
7362 (create_omp_child_function): Likewise.
7363 (lookup_omp_region): New.
7364 (dump_omp_region): New.
7365 (debug_omp_region): New.
7366 (debug_all_omp_regions): New.
7367 (new_omp_region): New.
7368 (scan_omp_parallel): If parallel_nesting_level > 1, the
7369 directive is nested within another parallel directive.
7370 Set OMP_PARALLEL_FN.
7371 (scan_omp_for): Do not try to handle combined parallel+for
7373 Remove FIXME comment.
7374 (scan_omp_nested): Remove.
7375 (scan_omp_1): Do not call scan_omp_nested when
7376 parallel_nesting_level is > 1.
7377 Do not change the DECL_CONTEXT of local variables found.
7378 (lookup_decl_in_outer_ctx): New.
7379 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7380 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7381 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7382 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7383 If CTX is nested, lookup VAR in the outer context when
7384 building copy assignment.
7385 (lower_send_clauses): Rename from expand_send_clauses.
7386 If CTX is nested, lookup VAR in the outer context when
7387 building copy assignments.
7388 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7389 If CTX is nested, lookup VAR in the outer context when
7390 building copy assignments.
7391 (expand_parallel_call): Rename from build_parallel_call.
7392 Handle combined parallel+workshare cases.
7393 Re-implement to emit code into the CFG.
7395 (expand_omp_parallel): Re-implement to emit code into the CFG.
7396 Call move_sese_region_to_fn to outline the sub-graph
7397 containing the parallel region.
7398 (expand_omp_for_1): Remove.
7399 (expand_omp_for_generic): Re-implement to emit code into the
7401 (expand_omp_for_static_nochunk): Likewise.
7402 (expand_omp_for_static_chunk): Likewise.
7403 (expand_omp_for): Likewise.
7404 (expand_omp_sections): Likewise.
7405 (remove_exit_barriers): New.
7406 (expand_omp_synch): New.
7408 (build_omp_regions_1): New.
7409 (build_omp_regions): New.
7410 (execute_expand_omp): New.
7411 (gate_expand_omp): New.
7412 (pass_expand_omp): Define.
7413 (lower_omp_sections): Rename from expand_omp_sections.
7414 Set OMP_SECTIONS_SECTIONS.
7415 (lower_omp_single_simple): Rename from expand_omp_single_simple.
7416 (lower_omp_single_copy): Rename from expand_omp_single_copy.
7417 (lower_omp_single): Rename from expand_omp_simple.
7418 (lower_omp_master): Rename from expand_omp_master.
7419 (lower_omp_ordered): Rename from expand_omp_ordered.
7420 (lower_omp_critical): Rename from expand_omp_critical.
7421 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7422 (lower_omp_for): Re-implement.
7423 (lower_omp_parallel): Re-implement.
7424 (lower_regimplify): Rename from expand_regimplify.
7425 (lower_omp_1): Rename from expand_omp_1.
7426 If there are syntax errors in the program, replace every
7427 OpenMP directive with NOP.
7428 Call lower_omp_* instead of expand_omp_*.
7429 (lower_omp): Rename from expand_omp.
7431 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7432 * tree-gimple.h (enum omp_parallel_type): Remove.
7433 (gimple_boolify): Declare extern.
7434 (find_omp_clause, determine_parallel_type): Remove.
7436 * gimple-low.c (lower_omp_directive): New.
7437 (lower_stmt): Call it.
7438 (record_vars_into): Move from ...
7439 (record_vars): ... here.
7440 Call record_vars_into with current_function_decl.
7442 * gimplify.c (struct gimplify_ctx): Remove fields
7443 combined_pre_p and combined_ctxp. Update users.
7444 (get_formal_tmp_var): Add documentation.
7445 (gimple_boolify): Make extern.
7446 (gimplify_expr_in_ctx): Remove. Update callers.
7447 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7448 will always be a BIND_EXPR.
7449 (gimplify_expr): Handle OMP_RETURN_EXPR.
7450 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7451 (OMP_PARALLEL): Add 3 operands.
7452 (OMP_SECTIONS): Add 1 operand.
7453 (OMP_RETURN_EXPR): Define.
7455 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7456 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7457 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7458 creating a circular free list.
7459 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7461 * tree-flow.h (move_sese_region_to_fn): Declare.
7462 (record_vars_into): Declare.
7463 * tree-cfg.c (make_omp_sections_edges): New.
7464 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7465 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7466 OMP_SECTIONS and OMP_SECTION.
7467 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7468 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7469 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7470 (gather_blocks_in_sese_region): New.
7471 (struct move_stmt_d): Declare.
7473 (move_block_to_fn): New.
7474 (move_sese_region_to_fn): New.
7476 * passes.c (init_optimization_passes): Schedule
7477 pass_expand_omp after pass_init_datastructures.
7479 * tree-ssa-operands.c (get_expr_operands): Handle
7480 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7481 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7483 2006-01-19 Jeff Law <law@redhat.com>
7485 * tree-vrp.c (extract_range_from_assert): Refine the result range
7486 if the variable referenced by the ASSERT_EXPR has a range and
7487 either the tentative result range or the previous range is a
7490 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7492 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7494 2006-01-19 Jan Hubicka <jh@suse.cz>
7496 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7498 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7500 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7501 (expand_compound_operation, expand_field_assignment): Fail if the
7502 bit lengths of an extract operation are out of range.
7503 (make_extraction): Compute wanted_inner_mode based on the position
7504 and length of the extraction. Make it extraction_mode for non-constant
7505 positions, and do not modify offset in that case. When generating a
7506 new MEM, use a mode that can hold the extraction while keeping correct
7507 alignment. Remove code that supported MEMs wrapped by USEs.
7508 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7510 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7512 * config/s390/s390.md ("Y", "y"): New mode attribute.
7513 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7514 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7515 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7516 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7517 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7518 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7519 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7520 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7521 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7522 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7523 "addsi3", "subsi3"): Insn patterns removed.
7524 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7525 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7526 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7527 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7528 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7529 "*sub<mode>3_cconly2"): New insn patterns.
7530 ("addsi3", "subsi3"): New expanders.
7532 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7534 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7535 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7536 existing STMT_VINFO_VECTYPE if available.
7537 (vect_mark_relevant): Add special handling for stmts that are
7538 marked as STMT_VINFO_IN_PATTERN_P.
7539 (vect_analyze_loop): Call vect_pattern_recog.
7540 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7541 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7543 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7544 (vect_recog_func_ptr): New function-pointer type.
7545 * tree-vect-patterns.c: New file.
7546 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7547 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7548 (vect_pattern_recog_1): New functions.
7549 (vect_pattern_recog_funcs): New array of function pointers.
7551 * tree-vectorizer.h (ternary_op): New enum value.
7552 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7553 declaration. Revised documentation. Removed redundant dump prints.
7554 Removed redundant argument. Added support for reduction patterns.
7555 (vectorizable_reduction): Added support for reduction patterns.
7556 (vect_transform_stmt): Added support for patterns.
7558 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7559 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7560 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7561 (expand_widen_pattern_expr): New function.
7562 (init_optabs): Initialize new optabs udot_prod_optab,
7564 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7565 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7566 (expand_widen_pattern_expr): New function declaration.
7567 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7569 * tree-inline.c (estimate_num_insns_1): Added cases for new
7570 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7571 * tree-pretty-print.c (dump_generic_node): Likewise.
7572 (op_prio): Likewise.
7573 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7574 * tree-ssa-operands.c (get_expr_operands): Added case for
7576 * tree-vect-patterns.c (widened_name_p): New function.
7577 (vect_recog_dot_prod_pattern): Added function implementation.
7578 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7579 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7580 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7581 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7583 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7584 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7585 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7586 (init_optabs): Initialize new optabs widen_ssum_optab,
7588 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7589 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7590 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7591 use instead of type of def.
7592 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7593 function implementation.
7594 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7595 widen_ssumv8hi): New.
7597 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7600 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7603 * c-decl.c (add_flexible_array_elts_to_size): New function.
7604 (finish_decl): Use it.
7606 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7608 * diagnostic.h: Include options.h.
7609 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7610 dependancies for diagnostic.h.
7611 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7613 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7615 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7616 (ssa_ro_call_cache_valid): Ditto.
7617 * tree-ssa-alias.c (sort_tags_by_id): New function.
7618 (init_transitive_clobber_worklist): Ditto.
7619 (add_to_worklist): Ditto.
7620 (mark_aliases_call_clobbered): Ditto.
7621 (compute_tag_properties): Ditto.
7622 (set_initial_properties): Ditto.
7623 (compute_call_clobbered): Ditto.
7624 (compute_may_aliases): Call compute_call_clobbered and grouping.
7625 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7626 (compute_flow_insensitive_aliasing): Grouping now happens in our
7628 (setup_pointers_and_addressables): Remove clobbering related code.
7629 (add_may_alias): Ditto.
7630 (replace_may_alias): Ditto.
7631 (get_nmt_for): Ditto.
7632 (create_global_var):
7633 (is_escape_site): Return an escape_type enumeration.
7634 * tree-flow-inline.h (is_call_clobbered): Global var does not
7635 imply call clobbered.
7636 (mark_call_clobbered): Take a reason for marking this. Remove
7637 marking of globalness, and cache invalidation.
7638 (clear_call_clobbered): Remove cache invalidation code.
7639 * tree-dfa.c (dump_variable): If details is on, dump the reason
7641 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7643 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7644 (struct var_ann_d): Ditto.
7645 (enum escape_type): New.
7646 (mark_call_clobbered): Adjust prototype.
7647 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7648 are never call clobbered.
7649 Record reasons for escaping.
7650 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7651 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7652 (ssa_ro_call_cache_valid): Ditto.
7653 (clobbered_v_may_defs): Ditto.
7654 (clobbered_vuses): Ditto.
7655 (ro_call_vuses): Ditto.
7656 (clobber_stats): New.
7657 (init_ssa_operands): Zero out clobber stats.
7658 (fini_ssa_operands): Print out clobber stats.
7659 (get_call_expr_operands): Pass callee fndecl to
7661 (add_call_clobber_ops): Remove use of cache.
7662 Add use of PURE_CONST information.
7663 (add_call_read_ops): Remove use of cache.
7664 Add use of static not_read information.
7666 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7668 Introduce TLS descriptors for i386 and x86_64.
7669 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7670 (TARGET_ANY_GNU_TLS): New macro.
7671 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7672 (struct machine_function): Add tls_descriptor_call_expanded_p.
7673 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7674 (ix86_current_function_calls_tls_descriptor): Likewise.
7675 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7676 (override_options): Introduce gnu2 tls dialect.
7677 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7679 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7681 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7682 (ix86_init_machine_status): Initialize new field.
7683 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7684 (ix86_tls_module_base): New.
7685 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7686 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7687 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7688 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7689 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7690 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7691 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7692 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7693 * config/i386/predicates.md (tls_modbase_operand): New.
7694 (tp_or_register_operand): New.
7696 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7698 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7699 (look_for_address_of): Ditto.
7700 (ipa_init): Walk the function decls.
7701 (static_execute): Don't set readonly on FUNCTION_DECL's.
7703 2006-01-18 Roger Sayle <roger@eyesopen.com>
7705 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7706 for shifts where the source and destination registers are different.
7708 2006-01-18 Paul Brook <paul@codesourcery.com>
7710 Merge from csl-arm-branch.
7711 2005-03-14 Julian Brown <julian@codesourcery.com>
7712 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7713 (aeabi_llsl): Likewise.
7714 (ashrdi3): Likewise.
7715 (aeabi_lasr): Likewise.
7716 (lshrdi3): Likewise.
7717 (aeabi_llsr): Likewise.
7718 2005-03-10 Julian Brown <julian@codesourcery.com>
7719 * config.gcc: Disable shared libgcc for SymbianOS.
7720 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7722 2006-01-18 DJ Delorie <dj@redhat.com>
7724 * c-pragma.c (handle_pragma_diagnostic): New.
7725 (init_pragma): Register it.
7726 * doc/extend.texi: Document it.
7728 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7729 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7730 (diagnostic_context): Add classify_diagnostic[].
7731 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7732 as errors if they're overridden to DK_WARNING.
7733 (diagnostic_initialize): Initialize classify_diagnostic[].
7734 (diagnostic_set_kind_override): New.
7735 (diagnostic_report_diagnostic): Check for kind changes.
7736 * opts.c (common_handle_option): Take lang_mask. Update callers.
7738 * common.opt (Werror=): New.
7739 * doc/invoke.texi: Document -Werror=*
7741 2006-01-18 Jeff Law <law@redhat.com>
7743 * tree-vrp.c (test_for_singularity): Correct test for new
7744 min limit. Use operand_equal_p rather than pointer equality
7745 for testing if new min/max values are equal.
7747 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7748 using range information until after propagation and folding.
7750 2006-01-18 Richard Henderson <rth@redhat.com>
7751 Aldy Hernandez <aldyh@redhat.com>
7752 Jakub Jelinek <jakub@redhat.com>
7753 Diego Novillo <dnovillo@redhat.com>
7755 * omp-low.c: New file.
7756 * c-omp.c: New file.
7758 2006-01-18 Richard Henderson <rth@redhat.com>
7759 Jakub Jelinek <jakub@redhat.com>
7760 Diego Novillo <dnovillo@redhat.com>
7762 * doc/invoke.texi: Document -fopenmp.
7763 * tree-dump.h (debug_function): Declare.
7764 * hooks.c (hook_bool_tree_bool_false): New function.
7765 (hook_tree_tree_null): Remove.
7766 (hook_tree_tree_tree_null): New.
7767 * hooks.h: Update to match.
7768 * tree-pretty-print.c (debug_tree_chain): New.
7769 (print_generic_expr): Handle TDF_CHAIN.
7770 (dump_generic_node): Handle BLOCK.
7771 Do not abort with incomplete SWITCH_EXPRs.
7772 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7773 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7774 print space after directive name.
7775 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7776 Handle OMP_MASTER and OMP_ORDERED.
7777 Handle printing of OMP_BODY just in one place, goto
7778 dump_omp_body in the rest of OMP_* nodes that have
7780 Don't handle clause nodes here. Update omp statements to
7781 use dump_omp_clauses.
7782 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7783 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7784 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7785 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7786 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7787 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7788 Adjust output for GOMP_PARALLEL.
7789 (dump_omp_clauses): New.
7790 (print_declaration): Dump DECL_VALUE_EXPR.
7791 (op_symbol_1): Split out of op_symbol.
7792 (dumping_stmts): Remove. Update all users.
7793 * cgraph.c (cgraph_analyze_queue): New.
7794 (cgraph_add_new_function): New.
7795 * cgraph.h (cgraph_analyze_queue): Declare.
7796 (cgraph_add_new_function): Declare.
7797 (cgraph_lower_function): Remove.
7798 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7799 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7800 and TYPE_P nodes in its default clause.
7801 (empty_body_p): New.
7802 (tree_range_check_failed): New.
7804 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7805 OMP_CLAUSE_REDUCTION_MERGE,
7806 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7807 OMP_CLAUSE_PRIVATE_DEBUG,
7808 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7809 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7810 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7811 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7812 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7813 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7814 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7815 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7816 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7817 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7818 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7819 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7820 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7821 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7822 (TREE_RANGE_CHECK): New.
7823 (empty_body_p): Declare.
7824 (enum omp_clause_default_kind): New.
7825 (build_string_literal): Declare.
7826 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7827 (build5_stat, build5): Declare.
7828 * tree-pass.h (TDF_CHAIN): Define.
7829 * tree-pass.h (PROP_gimple_lomp): Define.
7830 (pass_lower_omp): Declare.
7831 * diagnostic.h (debug_tree_chain): Declare.
7832 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7834 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7835 * builtins.c (build_string_literal): Make extern.
7836 * gcc.c (include_spec_function): New.
7837 (static_spec_functions): Add it.
7838 (main): Move load of libgomp.spec ...
7839 (LINK_COMMAND_SPEC): ... here.
7840 (link_gomp_spec): New.
7841 (static_specs): Include it.
7842 (LINK_COMMAND_SPEC): Add link_gomp.
7843 (GOMP_SELF_SPECS): New.
7844 (driver_self_specs): Include it.
7845 (switch_matches): Don't mark inline.
7846 (main): Load libgomp.spec.
7847 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7848 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7849 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7850 * tree-gimple.h (enum omp_parallel): Declare.
7851 (determine_parallel_type): Declare.
7852 (omp_firstprivatize_variable): Declare.
7853 (omp_reduction_init): Declare.
7854 (diagnose_omp_structured_block_errors): Declare.
7855 (struct walk_stmt_info): Add want_return_expr.
7856 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7857 (find_omp_clause): Declare.
7858 (insert_field_into_struct): Declare.
7859 (struct walk_stmt_info): Move from tree-nested.c
7860 (walk_stmts): Declare.
7861 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7863 * cgraphunit.c (cgraph_lower_function): Make static.
7864 (cgraph_finalize_pending_functions): New.
7865 (cgraph_finalize_function): Call it.
7866 (cgraph_finalize_compilation_unit): Likewise.
7867 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7868 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7869 (BT_FN_UINT_UINT): New.
7870 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7871 DEF_FUNCTION_TYPE_VAR_4): Document.
7872 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7873 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7874 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7875 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7876 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7877 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7878 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7879 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7880 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7881 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7882 into separate files.
7883 (DEF_GOMP_BUILTIN): New.
7884 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7885 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7886 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7887 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7888 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7889 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7890 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7891 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7892 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7893 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7894 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7895 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7896 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7897 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7898 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7899 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7900 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7901 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7902 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7903 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7904 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7905 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7906 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7907 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7908 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7909 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7910 * sync-builtins.def: New file, moved from builtins.def.
7911 * omp-builtins.def: New file, moved from builtins.def.
7912 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7913 * gimple-low.c (lower_function_body): Clear data.
7914 (lower_stmt): Do not handle COMPOUND_EXPR.
7915 Remove call to print_node_brief.
7916 * c-tree.h (c_finish_omp_clauses): New prototype.
7917 (C_DECL_THREADPRIVATE_P): Define.
7918 (lookup_name_no_remap, c_omp_remap_private): Remove
7919 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7920 (check_for_loop_decls): Update decl.
7921 (lookup_name_no_remap, c_omp_remap_private): Declare.
7922 (build_indirect_ref, build_modify_expr, pushdecl,
7923 pushdecl_top_level): Move to c-common.h.
7924 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7925 before the switch, but just in the 2 places that need it.
7926 * c-decl.c (diagnose_mismatched_decls): Do not check for
7927 mismatched thread-local attributes when OLDDECL is marked
7928 threadprivate and NEWDECL has no thread-local attributes.
7929 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7930 (c_gimple_diagnostics_recursively): Rename from
7931 c_warn_unused_result_recursively. Invoke
7932 diagnose_omp_structured_block_errors.
7933 (check_for_loop_decls): Return a singular decl found.
7934 * langhooks.c (lhd_omp_predetermined_sharing): Return
7935 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7936 (lhd_omp_firstprivatize_type_sizes): New.
7937 (lhd_omp_assignment): New.
7938 (lhd_omp_predetermined_sharing): New.
7939 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7940 (struct lang_hooks_for_types): Add
7941 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7942 omp_predetermined_sharing, omp_disregard_value_expr,
7943 omp_private_debug_clause, omp_clause_default_ctor,
7944 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7945 (c_finish_omp_clauses): New.
7946 (c_finish_bc_stmt): Diagnose break within omp for.
7947 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7948 (build_unary_op): Return error_mark after reporting
7950 (build_modify_expr): Likewise.
7951 * gimplify.c: Include optabs.h and pointer-set.h.
7952 (enum gimplify_omp_var_data): Declare.
7953 (struct gimplify_omp_ctx): Declare.
7954 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7956 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7957 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7958 (splay_tree_compare_decl_uid): New.
7959 (new_omp_context): New.
7960 (delete_omp_context): New.
7961 (gimple_add_tmp_var): Call omp_add_variable.
7962 (gimplify_bind_expr): Likewise.
7963 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7964 true, disregard DECL_VALUE_EXPR on the decl if any.
7965 (gimplify_expr_in_ctx): New.
7966 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7967 omp_add_variable, omp_notice_variable, omp_is_private
7968 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7969 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7970 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7971 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7972 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7973 gimplify_omp_atomic): New.
7974 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7975 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7976 OMP_CRITICAL and OMP_ATOMIC.
7977 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7978 * c-pragma.h (enum pragma_kind): Add
7979 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7980 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7981 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7982 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7983 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7984 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7985 PRAGMA_OMP_THREADPRIVATE.
7986 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7987 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7988 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7989 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7990 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7991 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7992 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7993 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7994 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7995 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7996 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7997 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7998 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8000 (struct nesting_info): Add field_map,
8001 suppress_expansion, debug_var_chain.
8002 (create_nesting_tree): Initialize them.
8003 (lookup_field_for_decl): Use field_map.
8004 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8005 (convert_local_omp_clauses): New.
8006 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8007 (walk_body): Split out of walk_function.
8008 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8009 (convert_nonlocal_reference): Handle omp statements.
8010 (convert_local_reference): Likewise.
8011 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8012 (unnest_nesting_tree): New.
8013 (lower_nested_functions): Call it.
8014 (insert_field_into_struct): Make extern.
8015 (struct walk_stmt_info): Move to tree-gimple.h.
8016 (walk_stmts): Make extern.
8017 * omp-builtins.def: New file.
8018 * tree-iterator.c (expr_only): Clarify comment.
8019 * c-common.h (pushdecl_top_level, pushdecl,
8020 build_modify_expr, build_indirect_ref,
8021 c_finish_omp_master, c_finish_omp_critical,
8022 c_finish_omp_ordered, c_finish_omp_barrier,
8023 c_finish_omp_atomic, c_finish_omp_flush,
8024 c_finish_omp_for, c_split_parallel_clauses,
8025 omp_clause_default_kind, c_omp_sharing_predetermined,
8026 c_omp_remap_decl): Declare.
8027 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8028 (OBJS-common): Add omp-low.o.
8029 (c-omp.o, omp-low.o): Add.
8030 (gimplify.o): Add dependency on $(OPTABS_H).
8031 (GTFILES): Add omp-low.c.
8032 (gt-stringpool.h): Add.
8033 * tree-cfg.c (set_bb_for_stmt): Do not update the
8034 block-to-labels map if we are currently expanding to RTL.
8035 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8037 Handle IDENTIFIER_NODE.
8038 (tree_verify_flow_info): Do not ICE when emitting error
8039 messages about invalid labels.
8040 (dump_function_to_file): Reset CFUN before emitting the body
8042 (debug_function): New.
8043 * passes.c (init_optimization_passes): Schedule
8045 * langhooks-def.h (lhd_omp_predetermined_sharing,
8046 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8048 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8049 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8050 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8051 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8052 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8053 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8054 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8055 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8056 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8057 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8058 (LANG_HOOK_DECLS): Use them.
8060 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8061 Richard Henderson <rth@redhat.com>
8062 Jakub Jelinek <jakub@redhat.com>
8063 Diego Novillo <dnovillo@redhat.com>
8065 * c-parser.c (pragma_omp_clause): Define.
8066 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8067 (c_parser_compound_statement): Likewise.
8068 (c_parser_statement): Likewise.
8069 (c_parser_pragma): Handle omp pragmas.
8070 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8071 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8072 (c_parser_omp_clause_name, check_no_duplicate_clause,
8073 c_parser_omp_variable_list,
8074 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8075 c_parser_omp_clause_copyprivate,
8076 c_parser_omp_clause_default,
8077 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8078 c_parser_omp_clause_lastprivate,
8079 c_parser_omp_clause_nowait,
8080 c_parser_omp_clause_num_threads,
8081 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8082 c_parser_omp_clause_reduction,
8083 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8084 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8085 c_parser_omp_atomic, c_parser_omp_barrier,
8086 c_parser_omp_critical, c_parser_omp_flush,
8087 c_parser_omp_for_loop, c_parser_omp_for,
8088 c_parser_omp_master, c_parser_omp_ordered,
8089 c_parser_omp_sections_scope, c_parser_omp_sections,
8090 c_parser_omp_parallel, c_parser_omp_single,
8091 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8092 * c-pragma.c (init_pragma): Do omp pragma registration here.
8093 * c.opt (fopenmp): New flag.
8095 2006-01-18 Eric Christopher <echristo@apple.com>
8097 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8098 * config/darwin.h (GOMP_SELF_SPECS): Define.
8100 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8102 * rtl.h: Remove the prototype for reg_alloc.
8104 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8107 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8108 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8109 sjlj and dwarf2 exception handling.
8110 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8111 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8112 * pa/pa.c (function_value): Treat complex and vector types as
8114 (function_arg): Likewise. Only pass scalar floats in the floating
8115 point argument registers.
8116 * pa/t-slibgcc-dwarf-ver: New file.
8117 * pa/t-slibgcc-sjlj-ver: New file.
8118 * pa/t-slibgcc-elf-ver: Delete file.
8120 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8122 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8123 unlikely_test_section_p test.
8125 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8127 * mode-switching.c (optimize_mode_switching): Make it static.
8128 * basic-block.h: Remove the prototype for
8129 optimize_mode_switching.
8131 * modulo-sched.c (sms_schedule): Make it static.
8132 * rtl.h: Remove the prototype for sms_schedule.
8134 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8135 * rtl.h: Remove the prototype for gcse_after_reload_main.
8137 * reg-stack.c (reg_to_stack): Make it static.
8138 * rtl.h: Remove the prototype for reg_to_stack.
8140 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8142 * rtl.h: Remove the prototypes for regrename_optimize and
8143 copyprop_hardreg_forward.
8145 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8147 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8148 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8149 Test against the appropriate null constant for the mode.
8150 If 'fixup_overlap' is true, swap the operands if they overlap.
8151 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8152 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8153 alpha_split_tmode_pair and adjust for above change.
8154 * config/alpha/alpha.md (movtf_internal): Adjust call to
8155 alpha_split_tfmode_pair and rely on it to swap the operands.
8156 (movti_internal): New insn and post-reload splitter.
8157 (movti): New expander.
8159 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8161 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8164 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8166 * rtlanal.c (global_reg_mentioned_p_1,
8167 global_reg_mentioned_p): Remove.
8168 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8170 * flow.c (initialize_uninitialized_subregs): Make it static.
8171 * rtl.h: Remove the prototype for
8172 initialize_uninitialized_subregs.
8174 * function.c (instantiate_virtual_regs): Make it static.
8175 * function.h: Remove the prototype for
8176 instantiate_virtual_regs.
8178 * regmove.c (regmove_optimize, combine_stack_adjustments):
8180 * rtl.h: Remove the prototypes for regmove_optimize and
8181 combine_stack_adjustments.
8183 2006-01-17 Roger Sayle <roger@eyesopen.com>
8185 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8186 (size_cost): Encode costs in bytes so that a reg-reg addition is
8187 equivalent to COSTS_N_INSNS(1).
8188 (override_options): Use the size_cost.branch_cost as the default
8189 ix86_branch_cost when optimizing for size.
8191 2006-01-18 Ben Elliston <bje@au.ibm.com>
8193 * Makefile.in (D32PBIT_FUNCS): New.
8194 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8195 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8196 D64PBIT_FUNCS and D128PBIT_FUNCS.
8197 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8198 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
8200 (decnumber_dep): Define.
8201 * doc/libgcc.texi (Decimal float library routines): New node.
8202 * config/dfp-bit.h, config/dfp-bit.c: New files.
8204 2006-01-18 Ben Elliston <bje@au.ibm.com>
8206 * expr.c (emit_move_change_mode): Always adjust addresses, not
8207 just during reload. Copy replacements only during reload.
8208 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8209 emit_move_via_integer.
8211 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8213 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8214 instead of $(srcdir) and ${srcdir}.
8216 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8220 * arm.h (struct machine_function): Add pic_reg.
8221 * arm.c (arm_pic_register): Make unsigned.
8222 (arm_override_options): Only set arm_pic_register if
8223 TARGET_SINGLE_PIC_BASE.
8224 (use_return_insn): Only test for a pic register if it is fixed.
8225 (arm_compute_save_reg0_reg12_mask): Likewise.
8226 (thumb_compute_save_reg_mask): Likewise.
8227 (legitimate_pic_operand): Factor out some known invariants.
8228 (legitimize_pic_address): If we don't have a fixed pic register,
8229 then set up a pseudo in the function entry sequence. Handle the
8230 pic base being in a pseudo.
8231 (arm_load_pic_register): Handle the pic register being in a pseudo.
8232 (arm_expand_prologue): Only set up the pic register if it is fixed.
8233 (thumb_expand_prologue): Likewise.
8234 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8235 (pic_load_addr_based_insn): Likewise.
8236 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8239 2006-01-18 Ben Elliston <bje@au.ibm.com>
8241 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8242 decimal float modes for all floating point registers.
8244 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8245 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8247 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8250 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8251 even when the pointer is not NULL.
8253 2006-01-16 Ian Lance Taylor <ian@airs.com>
8255 * common.opt (ftoplevel-reorder): New option.
8256 * cgraph.c (cgraph_asm_nodes): New global variable.
8257 (cgraph_asm_last_node): New static variable.
8258 (cgraph_order): New global variable.
8259 (cgraph_create_node): Set new order field.
8260 (cgraph_varpool_node): Likewise.
8261 (decide_is_variable_needed): Return true if not
8262 flag_toplevel_reorder.
8263 (cgraph_add_asm_node): New function.
8264 * cgraph.h (struct cgraph_node): Add order field.
8265 (struct cgraph_varpool_node): Add order field.
8266 (struct cgraph_asm_node): Define.
8267 (cgraph_asm_nodes, cgraph_order): Declare.
8268 (cgraph_add_asm_node): Declare.
8269 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8271 (cgraph_varpool_assemble_pending_decls): Call it.
8272 (cgraph_output_pending_asms): New static function.
8273 (cgraph_finalize_compilation_unit): Call it.
8274 (struct cgraph_order_sort): Define.
8275 (cgraph_output_in_order): New static function.
8276 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8277 !flag_toplevel_reorder case.
8278 * c-parser.c: Include "cgraph.h".
8279 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8281 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8282 than -fno-unit-at-a-time.
8283 * doc/invoke.texi (Option Summary): Mention
8284 -fno-toplevel-reorder.
8285 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8286 -funit-at-a-time documentation.
8288 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8289 Kazu Hirata <kazu@codesourcery.com>
8291 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8293 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8295 * Makefile.in (FUNCTION_H): New. Use it instead of
8296 function.h throughout the file.
8297 * function.h: Include tree.h.
8299 2006-01-17 Ben Elliston <bje@au.ibm.com>
8301 * recog.c: Separate some functions with whitespace.
8303 2006-01-16 Richard Henderson <rth@redhat.com>
8305 Merge from gomp branch:
8306 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8307 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8308 and rename from struct inline_data. Rename callee* to dst*;
8309 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8310 transform_new_cfg, transform_return_to_modify, and
8311 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8313 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8314 (copy_decl_for_dup): Remove.
8315 * tree-inline.c (struct inline_data): Move to header.
8316 (insert_decl_map): Export.
8317 (remap_decl): Update for member name changes. Use copy_decl hook.
8318 Allow for replacement to be a non-decl. Remove dead code.
8319 (remap_type_1): Check for existing mapping.
8320 (remap_type): Export.
8321 (remap_decls): Update for member name changes.
8322 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8323 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8324 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8325 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8326 (tree_function_versioning, build_duplicate_type): Likewise.
8327 (copy_body_r): Likewise. Export.
8328 (copy_decl_for_dup): Split into ...
8329 (copy_decl_for_dup_finish, copy_decl_to_var,
8330 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8331 (replace_ref_tree, inlining_p): Remove.
8333 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8335 * ifcvt.c (if_convert): Make it static.
8336 * rtl.h: Remove the prototype for if_convert.
8338 * local-alloc.c (local_alloc): Make it static.
8339 * rtl.h: Remove the prototype for local_alloc.
8341 * loop.c (loop_optimize): Make it static.
8342 * cfgloop.h: Remove the prototype for loop_optimize.
8345 2006-01-16 DJ Delorie <dj@redhat.com>
8347 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8350 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8352 * pa.md: Disparage copies between general and floating-point registers
8353 in 32-bit move patterns.
8355 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8358 * Makefile.in (check-%): Depend on site.exp instead of
8359 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8362 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8364 * global.c (global_alloc): Make it static.
8365 * rtl.h: Remove the prototype for global_alloc.
8367 2006-01-16 Richard Guenther <rguenther@suse.de>
8369 * tree-ssa-alias.c (struct used_part): Add write_only field.
8370 (get_or_create_used_part_for): Initialize it to true.
8371 (create_overlap_variables_for): Don't create structure variables
8372 for structures that only are written to.
8373 (find_used_portions): Handle MODIFY_EXPR to track whether a
8374 structure is only written to.
8376 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8378 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8380 * basic-block.h: Remove the prototype for
8381 partition_hot_cold_basic_blocks.
8383 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8385 * cppspec.c (lang_specific_spec_functions): Remove.
8386 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8387 * gcc.h (lang_specific_spec_functions): Remove.
8388 * gccspec.c (lang_specific_spec_functions): Remove.
8390 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8392 * combine.c (record_value_for_reg): Invalidate registers
8394 (record_dead_and_set_regs_1): Likewise, by passing them to
8395 record_value_for_reg.
8396 (record_dead_and_set_regs): Invalidate stores made by a
8397 call. We do not combine across a call, but we still
8398 relied on equivalences.
8400 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8402 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8403 vrp_int_const_binop returning non-constant nodes.
8405 2006-01-16 Paul Brook <paul@codesourcery.com>
8407 * config/m68k/m68k.c (output_move_const_into_data_reg):
8408 Output correct mnemonic for mvz and mvs.
8410 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
8412 * rtl-factoring.c: Add sequence abstraction algorithm.
8413 * cfgcleanup.c (outgoing_edges_match): Extra checks.
8414 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
8416 (block_has_preserve_label): New function.
8417 * common.opt: Register new pass.
8418 * Makefile.in: Ditto.
8420 * timevar.def: Ditto.
8421 * tree-pass.h: Ditto.
8422 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8423 * rtl.h (make_jump_insn_raw): Add forward decl.
8424 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8426 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8427 Roger Sayle <roger@eyesopen.com>
8429 * fold-const.c (fold_minmax): New static function.
8430 (fold_binary) <MIN_EXPR>: Call it.
8431 <MAX_EXPR>: Likewise.
8432 * stor-layout.c (place_field): Use DECL_SIZE consistently
8433 in the computation of the new record size.
8435 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8437 * cse.c (cse_condition_code_reg): Make it static.
8438 * rtl.h: Remove the prototype for cse_condition_code_reg.
8440 * combine.c (combine_instructions): Make it static.
8441 * rtl.h: Remove the prototype for combine_instructions.
8443 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8446 * tree.c (get_file_function_name_long): Concatenate the first global
8447 object name with a string derived from the input filename of the object
8450 2006-01-16 Ben Elliston <bje@au.ibm.com>
8452 * config/i386/winnt-stubs.c: Update FSF address.
8453 * config/xtensa/ieee754-df.S: Ditto.
8454 * config/xtensa/ieee754-sf.S: Ditto.
8456 2006-01-14 Ian Lance Taylor <ian@airs.com>
8458 * ifcvt.c (noce_init_if_info): New static function, broken out of
8459 noce_process_if_block.
8460 (noce_process_if_block): Call noce_init_if_info.
8461 (check_cond_move_block): New static function.
8462 (cond_move_process_if_block): New static function.
8463 (process_if_block): Call cond_move_process_if_block.
8465 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8467 * cselib.c (hash_table): Rename to cselib_hash_table.
8468 (cselib_clear_table, discard_useless_values,
8469 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8470 cselib_init, cselib_finish): Adjust uses of hash_table.
8472 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8474 PR tree-optimization/25485
8475 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8476 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8477 is known to be false and true, respectively.
8479 2006-01-14 Richard Guenther <rguenther@suse.de>
8481 PR tree-optimization/22548
8482 PR tree-optimization/22555
8483 PR tree-optimization/22501
8484 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8485 * params.def (salias-max-array-elements): New parameter.
8486 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8487 * doc/invoke.texi (salias-max-array-elements): Document.
8488 * tree-flow-inline.h (var_can_have_subvars): We also handle
8490 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8492 * tree-ssa-structalias.c (params.h): Include.
8493 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8494 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8495 (get_constraint_for): For ADDR_EXPR operating on something
8496 containing an ARRAY_REF, add all subvars to the solution.
8497 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8498 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8499 for creating MUST_DEFs.
8500 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8502 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8504 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8506 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8507 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8508 number_of_iterations_le): New functions.
8509 (number_of_iterations_special): Removed.
8510 (number_of_iterations_exit): Do not use number_of_iterations_special.
8511 * tree.c (unsigned_type_for): Always return integer type.
8513 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8514 Richard Guenther <rguenther@suse.de>
8516 PR rtl-optimization/24257
8517 * gcse.c (find_moveable_store): Only consider a store movable
8518 when the SET_SRC of the insn can be assigned to a register.
8520 2006-01-14 Ian Lance Taylor <ian@airs.com>
8522 * tree.c (tree_not_class_check_failed): New function.
8523 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8524 (tree_not_class_check_failed): Declare.
8526 2006-01-13 Ian Lance Taylor <ian@airs.com>
8528 * reload1.c (do_output_reload): Add assertion rejecting a
8531 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8533 * combine.c (struct reg_stat): Add new fields truncation_label and
8535 (record_value_for_reg): Reset truncated_to_mode.
8536 (record_truncated_value): New function.
8537 (check_promoted_subreg): Call it. Rename to check_conversions.
8538 (combine_instructions): Rename check_promoted_subreg to
8540 (reg_truncated_to_mode): New function.
8541 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8542 (gen_lowpart_or_truncate): New function.
8543 (force_to_mode): Use it instead of gen_lowpart.
8545 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8547 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8548 VAR is a tag, not its type tag.
8550 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8552 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8553 alternatives to match style of other entries.
8554 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8556 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8558 PR tree-optimization/25771
8559 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8562 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8565 * tree-inline.c (declare_return_variable): If the return variable
8566 was marked as a non gimple complex, set the return slot variable
8567 to be a non gimple comple variable.
8569 2006-01-13 Richard Guenther <rguenther@suse.de>
8571 * builtins.c (expand_builtin_sincos): New function.
8572 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8574 (expand_builtin): Expand sincos using expand_builtin_sincos.
8576 2006-01-12 DJ Delorie <dj@redhat.com>
8578 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8579 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8580 so that constant shifts can be split.
8581 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8582 (m32c_valid_pointer_mode): Make static.
8583 (shift_gen_func_for): New.
8584 (m32c_prepare_shift): Use it. Split large const shifts into
8586 * config/m32c/predicates.md (shiftcount_operand): Allow more
8588 (longshiftcount_operand): New.
8589 * doc/md.texi (Machine Constraints): Document In6.
8591 2006-01-13 Ben Elliston <bje@au.ibm.com>
8593 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8594 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8597 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8599 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8600 to try to avoid clobbering pieces of structures when we know
8601 something about the whole structure.
8602 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8604 2006-01-13 Ben Elliston <bje@au.ibm.com>
8606 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8607 return in memory, as this is no limitation is no longer present.
8609 2006-01-12 DJ Delorie <dj@redhat.com>
8611 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8612 mova with fb, and for fb+0 -> An.
8614 * config/m32c/mov.md (peephole2): Fix enabling logic.
8616 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8617 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8618 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8619 FINI_ARRAY_SECTION_ASM_OP): Define.
8621 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8623 (m32c_legitimize_reload_address): New logic to reload FB to An.
8624 (m32c_output_reg_push): Add newline.
8625 (m32c_output_reg_pop): Likewise.
8627 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8629 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8631 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8633 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8635 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8637 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8640 2006-01-11 Ben Elliston <bje@au.ibm.com>
8642 * rtlanal.c (find_reg_note): Assert insn is not null.
8644 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8646 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8649 2006-01-11 Jeff Law <law@redhat.com>
8651 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8653 (mark_threaded_blocks, register_jump_thread): New functions.
8654 (thread_through_all_blocks): Remove unwanted argument. No
8655 longer rely on e->aux to communicate thread target info.
8656 Call mark_threaded_blocks. Release the threaded_blocks
8657 bitmap and threaded_edges vector when complete.
8658 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8659 (threaded_blocks): Remove.
8660 (tree_ssa_dominator_optimize): Remove initialization and
8661 finalization of threaded_blocks. Simplify call to
8662 thread_through_all_blocks.
8663 (thread_across_edge): Call register_jump_thread rather than
8664 storing thread information into e->aux.
8665 (free_all_edge_infos): Simplify now that e->aux is no longer
8666 used to communicate with thread_through_all_blocks.
8667 * tree-flow.h (thread_through_all_blocks): Update prototype.
8668 (register_jump_thread): Prototype.
8670 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8672 * df-core.c (df_compact_blocks, df_bb_replace): Use
8673 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8675 2006-01-11 Richard Guenther <rguenther@suse.de>
8677 PR tree-optimization/25734
8678 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8679 stop propagation after successful propagation to the LHS.
8681 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8683 * basic-block.h (control_flow_graph): Change the type of
8684 x_basic_block_info to VEC(basic_block,gc) *.
8685 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8687 (SET_BASIC_BLOCK): New.
8688 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8689 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8690 * cfgbuild.c (find_basic_blocks): Likewise.
8691 * cfglayout.c (fixup_reorder_chain): Likewise.
8692 * cfgrtl.c (create_basic_block_structure,
8693 rtl_create_basic_block): Likewise.
8694 * ifcvt.c (find_if_case_1): Likewise.
8695 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8698 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8700 * Makefile.in: Removed rotted odf.c entry.
8702 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8705 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8706 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8707 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8708 output pattern modifier, not %e.
8709 * config/cris/cris.c (cris_op_str): Update comment about pattern
8711 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8712 before falling through into...
8713 <case 'E'>: Redefined from old 'e' case.
8715 2006-01-11 Jan Hubicka <jh@suse.cz>
8718 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8720 2006-01-11 Jan Hubicka <jh@suse.cz>
8722 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8723 * i386.c (x86_decompose_lea): Kill.
8724 (ix86_rtx_costs): Kill.
8726 2006-01-11 Jan Hubicka <jh@suse.cz>
8728 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8729 * cgraph.h (cgraph_node): Add inline_decl.
8730 (cgraph_insert_node_to_hashtable): Declare.
8731 (save_inline_function_body): Declare.
8732 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8734 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8735 (cgraph_function_versioning): Update call of tree_function_versioning.
8736 (save_inline_function_body): New function.
8737 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8738 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8739 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8740 (cgraph_default_inline_p): Likewise.
8741 (cgraph_decide_inlining_incrementally): Likewise.
8742 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8743 (copy_bb): Kill saving; do updating of clones.
8744 (copy_cfg_body): Kill saving.
8745 (initialize_inlined-parameters): Likewise.
8746 (expand_call_inline): Likewise.
8748 (tree_function_versioning): New parameter "update_clones".
8749 (inlining_p): Kill saving.
8750 * tree-inline.h (tree_function_versioning): Update prototype.
8751 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8754 2006-01-11 Ian Lance Taylor <ian@airs.com>
8756 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8757 Allow undoing set of machine mode.
8758 (do_SUBST): Use enums instead of is_int.
8759 (do_SUBST_MODE): New function.
8760 (SUBST_MODE): New macro.
8761 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8762 reg and trying to replace reg_regno_rtx with a new register.
8763 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8764 (simplify_set): Use SUBST_MODE.
8765 (distribute_notes): Remove code that tried to update reg notes
8766 for regno_reg_rtx changes.
8768 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8770 PR tree-optimization/23109
8771 PR tree-optimization/23948
8772 PR tree-optimization/24123
8774 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8775 * tree-cfg.c (single_noncomplex_succ): New.
8776 * tree-flow.h (single_noncomplex_succ): Declare it.
8777 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8778 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8779 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8780 insert_bb, register_division_in, insert_reciprocals,
8781 replace_reciprocal, free_bb): New.
8782 (execute_cse_reciprocals_1): Rewritten.
8783 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8784 Do not commit any edge insertion. Always compute dominators and
8785 create the allocation pool.
8786 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8787 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8788 * targhooks.c (default_min_divistions_for_recip_mul): New.
8789 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8790 * passes.c (init_optimization_passes): Run recip after tree loop
8792 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8794 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8795 Kenneth Zadeck <zadeck@naturalbridge.com>
8797 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8798 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8799 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8800 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8801 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8802 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8803 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8804 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8805 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8806 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8807 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8808 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8809 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8810 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8811 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8812 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8813 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8814 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8815 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8816 DF_SCAN_POST_ALLOC): New macros.
8817 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8818 df_free_bb_function, df_local_compute_function, df_init_function,
8819 df_dataflow_function, df_confluence_function_0,
8820 df_confluence_function_n, df_transfer_function,
8821 df_finalizer_function, df_free_function, df_dump_problem_function,
8822 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8823 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8824 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8825 df_urec_bb_info, ) New types.
8826 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8828 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8829 df_analyze_simple_change_some_blocks,
8830 df_analyze_simple_change_one_block, df_compact_blocks,
8831 df_bb_replace, df_bb_regno_last_use_find,
8832 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8833 df_insn_regno_def_p, df_find_def, df_find_use,
8834 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8835 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8836 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8837 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8838 debug_df_chain, df_get_dependent_problem, df_chain_create,
8839 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8840 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8841 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8842 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8843 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8844 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8845 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8846 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8847 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8848 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8849 df_reorganize_refs, df_set_state, df_hard_reg_init,
8850 df_read_modify_subreg_p) New public functions.
8851 * df-core.c: The core dataflow solver and glue routines for rtl
8853 (df_init, df_add_problem, df_set_blocks, df_finish,
8854 df_hybrid_search_forward, df_hybrid_search_backward,
8855 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8856 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8857 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8858 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8859 df_reg_defined, df_find_use, df_reg_used, df_dump,
8860 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8861 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8862 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8863 debug_df_useno, reset_df_after_reload): New functions.
8864 * df-scan.c: The scanning fuctions, once in df.c, completely
8865 rewritten so that they now fully model the functionality of
8866 register usage at the backend.
8867 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8868 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8869 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8870 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8871 df_get_artificial_defs, df_get_artificial_uses,
8872 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8873 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8874 df_refs_delete, df_reorganize_refs, df_set_state,
8875 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8876 df_def_record_1, df_defs_record, df_uses_record,
8877 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8878 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8879 df_record_exit_block_uses, df_hard_reg_init): New functions.
8881 * df-problems.c: Seven concrete dataflow problems that use the
8882 scanning in df-scan.c and are solved by the engine in df-core.c.
8883 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8884 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8885 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8886 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8887 df_ru_free_bb_info, df_ru_alloc,
8888 df_ru_bb_local_compute_process_def,
8889 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8890 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8891 df_ru_transfer_function, df_ru_free, df_ru_dump,
8892 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8893 df_rd_free_bb_info, df_rd_alloc,
8894 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8895 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8896 df_rd_transfer_function, df_rd_free, df_rd_dump,
8897 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8898 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8899 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8900 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8901 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8902 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8903 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8904 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8905 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8906 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8907 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8908 df_urec_mark_reg_use_for_earlyclobber,
8909 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8910 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8911 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8912 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8913 df_chain_create_bb_process_use, df_chain_create_bb,
8914 df_chain_finalize, df_chain_free, df_chains_dump,
8915 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8916 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8917 df_reg_lifetime): New functions.
8918 * df.c: Deleted file.
8919 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8920 consistent with new df api.
8921 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8922 rest_of_handle_sms): Ditto.
8923 * web.c (unionfind_union, union_defs, entry_register, web_main):
8925 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8926 invariant_expr_equal_p, find_defs, check_dependencies,
8927 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8928 free_inv_motion_data, move_loop_invariants): Ditto.
8929 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8930 Update dependencies.
8931 (odf.c): Added defective entry that was deleted later in day.
8932 * sched-deps.c (sched_analyze_1): Ditto.
8934 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8936 * tree-ssa-operands.c (get_expr_operands): Record addressable
8937 variables directly. Do not call add_stmt_operands for CONST_DECLs
8939 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8940 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8942 2006-01-11 Ben Elliston <bje@au.ibm.com>
8944 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8945 function returns true in the positive case.
8947 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8950 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8951 for SI, DI, SF and DF modes. Add alternatives to copy between
8952 general and floating point registers to the 32-bit patterns.
8953 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8954 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8955 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8956 generating 64-bit code.
8957 * config/pa/pa.c (output_move_double): Handle copies between general
8958 and floating registers.
8960 2006-01-10 Stuart Hastings <stuart@apple.com>
8962 * config/i386/i386.md (set_got): Update.
8963 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8964 (builtin_setjmp_receiver): Mach-O support.
8965 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8966 (GOT_SYMBOL_NAME): Define.
8967 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8968 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8969 * config/i386/i386.c (override_options): Revise for Darwin.
8970 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8971 support. (darwin_x86_file_end): New. (output_set_got): Add label
8972 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8973 * config/i386/i386-protos.h (output_set_got): Likewise.
8974 * config/darwin.c (machopic_legitimize_pic_address): Update
8977 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8979 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8980 when MODE isn't BLKmode.
8982 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8984 PR rtl-optimization/25367
8985 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8987 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8990 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8991 for a negative bound.
8993 2006-01-10 Richard Guenther <rguenther@suse.de>
8995 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8996 Never override with anything constraint.
8998 2006-01-10 Jan Beulich <jbeulich@novell.com>
9000 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9001 256 bits when optimize_size.
9003 2006-01-10 Jan Beulich <jbeulich@novell.com>
9005 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9007 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9008 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9011 2006-01-10 Ben Elliston <bje@au.ibm.com>
9013 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9015 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9016 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9017 (USE_FP_FOR_ARG): Reject decimal float modes.
9018 (function_arg_advance): Likewise.
9019 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9020 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9021 point types in AltiVec vectors.
9022 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9023 (rs6000_libcall_value): Likewise.
9025 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9027 * config/xtensa/ieee754-df.S: New file.
9028 * config/xtensa/ieee754-sf.S: New file.
9029 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9030 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9031 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9033 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9035 * config/sh/predicates.md (binary_float_operator,
9036 binary_logical_operator, commutative_float_operator,
9037 equality_comparison_operator, greater_comparison_operator,
9038 less_comparison_operator, logical_operator,
9039 noncommutative_float_operator, shift_operator,
9040 symbol_ref_operand, unary_float_operator): Remove redundant
9043 2006-01-09 Jeff Law <law@redhat.com>
9045 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9046 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9047 now unused arguments. Callers updated.
9048 (eliminate_redundant_computations): Remove now unused arguments,
9050 (local_fold): Remove, no longer used.
9051 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9053 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9054 (simplify_cond): New function.
9055 (forward_propagate_into_cond): Call simplify_cond.
9057 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9059 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9060 (*vec_extractv2di_1_sse): New.
9062 2006-01-09 Ben Elliston <bje@au.ibm.com>
9064 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9066 2006-01-08 Richard Guenther <rguenther@suse.de>
9068 * tree-ssa-structalias.c (get_constraint_for): Remove
9070 (get_constraint_for_component_ref): Likewise.
9071 (do_deref): Likewise.
9072 (get_constraint_for): Likewise.
9073 (do_structure_copy): Likewise.
9074 (handle_ptr_arith): Likewise.
9075 (find_func_aliases): Likewise. Remove unused need_anyoffset
9078 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9079 Kaz Kojima <kkojima@gcc.gnu.org>
9081 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9082 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9083 (EXTRA_CONSTRAINT_C16): Remove.
9084 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9085 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9086 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9087 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9088 constants of SHmedia. Handle nested constant expressions of
9090 (andcosts): Fix the costs for SHmedia constants.
9091 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9092 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9093 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9094 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9095 (movv4hi_i, movv2si_i): Likewise.
9096 (movsi_const): Adjust the second operand of ior so to match with
9098 (movdi_const, movdi_const_32bit): Likewise.
9099 (movdi_const_16bit+1): Don't sign-extend LOW.
9100 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9102 (*double_shori): Fix the split condition. Use GEN_INT instead
9103 of get_int_mode calls. Mask lower 16-bit of the argument of
9105 (sym2GOTPLT): Remove.
9106 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9108 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9109 instead of EXTRA_CONSTRAINT_C16.
9111 2006-01-07 Ian Lance Taylor <ian@airs.com>
9112 David Edelsohn <edelsohn@gnu.org>
9114 PR rtl-optimization/25662
9115 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9116 for constant operands instead of simplify_gen_binary.
9117 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9118 after trying simplify_binary_operation
9120 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9122 * tree.c (iterative_hash_expr): Hash decls based on UID.
9124 2006-01-06 Eric Christopher <echristo@apple.com>
9126 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9127 (TARGET_UNWIND_EMIT): Fix spelling.
9128 * target.h (gcc_target): Add except_table_label.
9129 * except.c (output_function_exception_table): Use.
9130 * varasm.c (default_emit_except_table_label): New.
9131 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9133 (asm_out): Add here.
9134 * output.h (default_emit_except_table_label): Prototype.
9135 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9136 * config/darwin.c (darwin_emit_except_table_label): Define.
9137 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9139 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9141 PR tree-optimization/18527
9142 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9143 number_of_iterations_special, number_of_iterations_exit):
9144 Move base and step of an iv to a single structure. Add
9145 no_overflow flag, and use it in # of iterations analysis.
9146 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9147 folded_casts argument.
9148 (simple_iv): Pass base and step in a structure. Set no_overflow
9150 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9151 Evaluate expensiveness of computing # of iterations instead of
9152 the final expression.
9153 * tree-scalar-evolution.h (affine_iv): New structure.
9154 (simple_iv): Declaration changed.
9155 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9156 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9157 find_givs_in_stmt): Changed due to simple_iv change.
9159 2006-01-06 Jeff Law <law@redhat.com>
9162 * tree-cfg.c (bsi_replace): Rename final argument from
9163 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9164 change (stmt -> orig_stmt).
9165 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9166 (bsi_remove): Add new argument. Remove EH information
9168 (verify_eh_throw_table_statements): New function.
9169 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9171 * tree-optimize.c (execute_free_cfg_annotations): Verify
9172 the EH throw statement table after removing annotations.
9173 * except.h (verify_eh_throw_table_statements): Prototype.
9174 * tree-flow.h (bsi_remove): Update prototype.
9175 * tree-vrp.c (remove_range_assertions): Add new argument to
9177 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9178 * tree-complex.c (expand_complex_div_wide): Likewise.
9179 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9180 * tree-tailcall.c (eliminate_tailcall): Likewise.
9181 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9182 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9183 * tree-nrv.c (tree_nrv): Likewise.
9184 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9185 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9186 (combine_blocks): Likewise.
9187 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9188 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9189 (cleanup_control_flow): Likewise.
9190 (remove_forwarder_block): Likewise.
9191 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9192 * tree-sra.c (sra_replace): Likewise.
9193 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9194 (forward_propagate_single_use_vars): Likewise.
9195 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9196 * tree-inline.c (expand_call_inline): Likewise.
9197 * tree-vect-transform.c (vect_transform_loop): Likewise.
9198 * tree-outof-ssa.c (rewrite_trees): Likewise.
9199 * tree-cfg.c (make_goto_expr_edges): Likewise.
9200 (cleanup_dead_labels): Likewise.
9201 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
9202 (bsi_move_before, bsi_move_after): Likewise.
9203 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9204 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9206 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9209 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9211 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9212 on non gimple variables. Also add checks at the top for decls and
9214 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9216 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9217 and IMAGPART_EXPR for creating MUST_DEFs.
9218 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9219 and NAME_MEMORY_TAG separately from the DECLs.
9221 2006-01-06 Richard Guenther <rguenther@suse.de>
9223 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9224 annotation, if necessary.
9225 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9226 redundant calls to update_stmt.
9227 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9230 2006-01-05 Richard Henderson <rth@redhat.com>
9232 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9234 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9236 * c-typeck.c: Update copyright date.
9238 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9240 * c-typeck.c (build_c_cast): Always warn when casting
9241 from a pointer to an integer of different size, even if
9242 the node was constant.
9244 2006-01-05 Richard Guenther <rguenther@suse.de>
9246 PR tree-optimization/22555
9247 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9248 if one structure field is an array.
9249 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9250 operands even if we found a subvar, but ignore VOPs in this
9252 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9254 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9256 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9259 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9261 2006-01-05 Richard Guenther <rguenther@suse.de>
9262 Diego Novillo <dnovillo@redhat.com>
9264 * tree-pass.h (TODO_remove_unused_locals): Define.
9265 * gimple-low.c (expand_var_p, remove_useless_vars,
9266 pass_remove_useless_vars): Remove. Update all users.
9267 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9268 (remove_unused_locals): New function.
9269 * tree-flow.h (remove_unused_locals): Declare.
9270 * passes.c (execute_todo): Call remove_unused_locals if
9271 TODO_remove_unused_locals is set.
9272 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9273 * tree-ssa-dce.c (pass_dce): Likewise.
9274 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9276 2006-01-05 Richard Guenther <rguenther@suse.de>
9278 * tree-flow.h (struct fieldoff): Decompose field to
9279 type, size and decl.
9280 * tree-ssa-alias.c (create_sft): Take type as parameter.
9281 (create_overlap_variables_for): Store type, size and decl
9282 in the fieldoff structure.
9283 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9285 (push_fields_onto_fieldstack): Likewise.
9286 (create_variable_info_for): Likewise. Use offset for the
9287 SFT name if the decl is not available.
9289 2006-01-04 Paul Brook <paul@codesourcery.com>
9291 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9293 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9295 * lambda-code.c (can_put_in_inner_loop): Relax
9297 (can_put_after_inner_loop): New function.
9298 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9299 (perfect_nestify): Change to make copies and modify uses.
9301 2006-01-04 Richard Henderson <rth@redhat.com>
9303 Merge from gomp branch:
9304 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9305 via integer constant.
9306 (pragma_lex): Remove.
9307 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9308 rather than parsing it.
9309 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9310 handle_pragma_extern_prefix): Add %< %> quotes.
9311 (registered_pragmas): New.
9312 (c_register_pragma_1): New.
9313 (c_register_pragma): Use it.
9314 (c_register_pragma_with_expansion): Likewise.
9315 (c_invoke_pragma_handler): New.
9316 (init_pragma): Use cpp_register_deferred_pragma directly for
9318 * c-pragma.h (enum pragma_kind): New.
9319 (pragma_handler): New.
9320 (c_invoke_pragma_handler): Declare.
9321 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9323 * c-common.h (c_common_pch_pragma): Update decl.
9324 * Makefile.in (c-parser.o): Update dependencies.
9325 (GTFILES): Add c-pragma.h.
9326 * c-parser.c (struct c_token): Add pragma_kind.
9327 (struct c_parser): Add in_pragma.
9328 (c_lex_one_token): Always initialize keyword and pragma_kind.
9329 Extract data for CPP_PRAGMA.
9330 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9331 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9332 Don't allow CPP_PRAGMA_EOL if in_pragma.
9333 (c_parser_consume_pragma): New.
9334 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9335 (c_parser_skip_to_end_of_parameter): Likewise.
9336 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9337 (c_parser_skip_to_pragma_eol): New.
9338 (c_parser_external_declaration): Handle CPP_PRAGMA.
9339 (c_parser_compound_statement_nostart): Likewise.
9340 (c_parser_statement_after_labels): Likewise.
9341 (c_parser_pragma): New.
9342 (pragma_lex): Likewise.
9343 (c_parser_pragma_pch_preprocess): New.
9344 (c_parser_new): Merge into ...
9345 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9347 2006-01-04 Jeff Law <law@redhat.com>
9350 * tree-cfg.c (bsi_replace): Remove the original statement
9351 from the EH throw statement table.
9353 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9355 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9356 make the prototype extern "C" and add throw ().
9359 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9360 and pos non-negative and pos + len <= 32.
9361 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9362 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9363 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9366 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9367 as well as sizes not multiple of component size.
9370 * function.c (instantiate_expr): New function.
9371 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9372 walk its DECL_VALUE_EXPR with instantiate_expr.
9374 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9375 DW_OP_deref{,_size} if address isn't going to be added.
9377 2006-01-04 Ben Elliston <bje@au.ibm.com>
9379 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9380 * config/fp-bit.c: Likewise.
9382 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9384 * dominance.c: Add comment about why we use DFS numbering
9387 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9388 Richard Henderson <rth@redhat.com>
9390 Merge from gomp-branch:
9391 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9392 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9394 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9396 PR rtl-optimization/25578
9397 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9398 pass a parameter to simplify_shift_const if changing ASHIFTRT
9401 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9403 * builtins.c (get_builtin_sync_mem): New function.
9404 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9405 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9406 Call get_builtin_sync_mem to generate mem rtx.
9408 2006-01-03 Richard Guenther <rguenther@suse.de>
9411 * stmt.c (add_case_node): Make sure to clear overflow flags
9414 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9416 Merge from gomp-branch.
9417 * config/sparc/sync.md: New file.
9418 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9419 UNSPECV_LDSTUB): New constants.
9420 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9421 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9422 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9425 2006-01-03 Roger Sayle <roger@eyesopen.com>
9427 * combine.c (reg_subword_p): New predicate to test whether the
9428 destination of a set refers to a subword/piece of a register.
9429 (try_combine): Generalize the code to merge the setting of a
9430 pseudo to a constant followed by a set of a subword of that
9431 register to a constant.
9433 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9435 * basic-block.h (control_flow_graph): Change the type of
9436 x_label_to_block_map to VEC(basic_block,gc) *.
9437 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9438 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9440 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9441 VEC(basic_block,heap) *.
9442 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9443 ssa_prop_fini): Adjust the uses of cfg_blocks.
9445 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9447 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9449 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9450 hashing trees instead of a pointer hash.
9451 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9452 compare for MEM_EXPR.
9454 PR rtl-optimization/25130
9455 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9456 when comparing MEMs for GCSE
9458 2006-01-03 Ben Elliston <bje@au.ibm.com>
9460 * targhooks.h (default_decimal_float_supported_p): Declare.
9461 * targhooks.c (default_decimal_float_supported_p): Define.
9462 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9463 `default_decimal_float_supported_p'.
9464 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9466 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9468 * combine.c (apply_distributive_law <SUBREG>): Check
9469 TRULY_NOOP_TRUNCATION.
9471 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9473 * dwarf2out.c (have_switched_text_section): Delete.
9474 (have_multiple_function_sections): New.
9475 (have_location_lists): Make 'bool'.
9476 (add_AT_loc_list): Use 'true' not '1'.
9477 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9478 (output_loc_list): Use have_multiple_function_sections.
9479 (output_ranges): Likewise.
9480 (dwarf2out_begin_function): Set have_multiple_function_sections if
9482 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9483 Check function_section rather than DECL_SECTION_NAME.
9484 (dwarf2out_finish): Use have_multiple_function_sections.
9485 Don't clear have_location_lists.
9487 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9488 Jan Hubicka <jh@suse.cz>
9490 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9491 case of conditional jump jumping to the next instruction.
9492 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9493 cases of conditional jump jumping to the next instruction.
9495 2006-01-02 Jan Hubicka <jh@suse.cz>
9497 * i386.c (*_cost): Add COSTS_N_INSNS.
9498 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9500 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9503 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9505 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9507 * config/arm/arm.c (all_fpus): Fix comment typo.
9508 * config/darwin.c: Likewise.
9509 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9510 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9511 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9513 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9515 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9516 (rs6000_split_compare_and_swapqhi): New.
9517 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9518 (sync_compare_and_swapqhi_internal): New.
9519 * config/rs6000/rs6000-protos.h: Declare.