1 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
3 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
4 move would be an INSV insn.
5 (noce_process_if_block): Don't optimize if the destination is a
6 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
8 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10 * config/s390/s390.md: Add comments with the instructions emitted
11 by an insn pattern if macros are used.
13 2006-04-19 Alan Modra <amodra@bigpond.net.au>
15 PR rtl-optimization/26026
16 * fold-const.c (fold_binary): Optimize div and mod where the divisor
17 is a known power of two shifted left a variable amount.
19 2006-04-18 Geoffrey Keating <geoffk@apple.com>
21 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
22 to hash table twice when the debug_str section has SECTION_MERGE.
24 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
26 * config/soft-fp: New directory. From glibc.
27 * config/soft-fp/t-softfp: New.
28 * config/soft-fp/README: New.
29 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
30 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
31 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
32 (LIBGCC_DEPS): Add $(SFP_MACHINE).
33 * config.gcc: Use rs6000/t-fprules-fpbit or
34 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
36 * config/rs6000/sfp-machine.h: New. Based on glibc.
37 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
39 * config/rs6000/t-fprules: Remove fp-bit rules.
40 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
41 * config/rs6000/t-linux64: Likewise. Remove duplicates from
42 LIB2FUNCS_EXTRA. Remove fp-bit rules.
43 (softfp_wrap_start, softfp_wrap_end): New.
45 2006-04-18 DJ Delorie <dj@redhat.com>
47 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
49 2006-04-18 Devang Patel <dpatel@apple.com>
51 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
53 2006-04-18 Nick Clifton <nickc@redhat.com>
55 * config/sh/t-symbian: Add rule to build sh-c.o
56 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
57 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
58 (sh_symbian_encode_section_info): Likewise.
60 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
62 * builtins.c (expand_builtin_strcmp): Cover label definition of
63 do_libcall with HAVE_cmpstrnsi.
65 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
67 * function.c (temp_slots_at_level, max_slot_level): Use VEC
69 * function.h (temp_slot_p): New.
70 (function): Change the type of x_used_temp_slots to
71 VEC(temp_slot_p,gc) *.
73 2006-04-18 Nick Clifton <nickc@redhat.com>
75 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
78 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
80 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
84 Partial revert of revision 112637
85 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
86 Dale Johannesen <dalej@apple.com>
89 * regclass.c (struct reg_pref): Update documentation.
90 (regclass): Set prefclass to NO_REGS if memory is the best option.
91 (record_reg_classes): Cope with a prefclass set to NO_REGS.
93 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
95 PR tree-optimization/26821
96 * tree-ssa-math-opts.c (get_constant_one): New.
97 (insert_reciprocals): Use it.
99 2006-04-17 Geoffrey Keating <geoffk@apple.com>
101 * dwarf2out.c (free_AT): Delete.
102 (remove_AT): Update string ref counts.
103 (remove_child_TAG): Don't call free_die.
105 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
107 (prune_unused_types_walk_attribs): Reset string refcounts.
108 (prune_unused_types_update_strings): New.
109 (prune_unused_types_prune): Don't make unnecessary stores. Don't
110 call free_die. Do call prune_unused_types_update_strings.
111 (prune_unused_types): Empty debug_str_hash.
113 2006-04-17 Roger Sayle <roger@eyesopen.com>
115 * expr.c (expand_assignment): Optimize away no-op moves where the
116 source and destination are equal and have no side-effects.
118 2006-04-17 Richard Guenther <rguenther@suse.de>
121 * reload.c (push_reload): Guard calls to get_secondary_mem
124 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
126 * alias.c (reg_base_value, old_reg_base_value): Change the
127 type to VEC(rtx,gc) *.
128 (REG_BASE_VALUE, find_base_value, record_set,
129 init_alias_analysis): Use VEC instead of VARRAY.
131 * alias.c (alias_sets): Change the type to
132 VEC(alias_set_entry,gc) *.
133 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
134 VEC instead of VARRAY.
135 (last_alias_set): Remove.
137 * cgraph.h (cgraph_edge_p): New.
138 Update the prototype of cgraph_function_versioning.
139 * cgraphunit.c (cgraph_copy_node_for_versioning,
140 cgraph_function_versioning): Use VEC instead of VARRAY.
141 * ipa-cp.c (ipcp_insert_stage): Likewise.
143 2006-04-16 Roger Sayle <roger@eyesopen.com>
146 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
147 "A op B" or "A op C", we may need to convert A to the type of B and C.
149 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
151 * target.h (struct gcc_target): Add mode_rep_extended.
152 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
153 (init_num_sign_bit_copies_in_rep): Initialize it using
155 (truncate_to_mode): Use it.
156 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
157 * targhooks.h (default_mode_rep_extended): Declare it.
158 * targhooks.c (default_mode_rep_extended): Define it.
159 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
160 default_mode_rep_extended.
161 (TARGET_INITIALIZER): Include it.
162 * doc/tm.texi (Misc): Document it.
163 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
164 (mips_truncated_to_mode): New function.
166 2006-04-16 Roger Sayle <roger@eyesopen.com>
169 * expr.c (compress_float_constant): Copy the narrow constant into
170 a new pseudo before extending it to its final width.
172 2006-04-16 Roger Sayle <roger@eyesopen.com>
173 Andrew Pinski <pinskia@gcc.gnu.org>
174 Dale Johannesen <dalej@apple.com>
177 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
178 special case code to implement V8HImode and V16QImode with SSE2.
180 2006-04-15 Roger Sayle <roger@eyesopen.com>
182 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
183 trees are constructed with a suitable tree type.
185 2006-04-15 Roger Sayle <roger@eyesopen.com>
187 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
188 (integer_onep): Likewise.
189 (integer_all_onesp): Likewise.
190 (integer_pow2p): Likewise.
191 (integer_nonzerop): Likewise.
192 (real_zerop): Likewise.
193 (real_onep): Likewise.
194 (real_twop): Likewise.
195 (real_minus_onep): Likewise.
196 (int_size_in_bytes): Likewise.
197 (host_integerp): Likewise.
199 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
201 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
202 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
203 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
205 * tree-ssa-structalias.h (alias_info): Remove num_references.
207 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
209 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
210 (output_bvb patterns): Likewise.
211 * pa.c (output_bb): Use 'bb' insn for long branch case.
212 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
213 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
214 1. Correct length operand for alternatives 1 and 2.
215 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
216 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
218 2006-04-14 Roger Sayle <roger@eyesopen.com>
220 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
221 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
222 were accidentally reverted by r112959.
224 2006-04-15 Jakub Jelinek <jakub@redhat.com>
227 * except.h (eh_region_outermost): New prototype.
228 * except.c (eh_region_outermost): New function.
229 * tree-cfg.c (find_outermost_region_in_block): Use it.
231 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
233 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
235 * reload1.c (reg_equiv_memory_loc_varray): Rename to
236 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
237 (init_reload, reload): Use VEC instead of VARRAY.
238 * reload.h: Update the prototype for
239 reg_equiv_memory_loc_varray.
241 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
242 Eric Botcazou <ebotcazou@libertysurf.fr>
244 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
247 2005-04-13 Uros Bizjak <uros@kss-loka.si>
250 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
251 to expand fallback builtin function call.
253 2006-04-14 Alan Modra <amodra@bigpond.net.au>
256 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
257 and emit libcall here in case the builtin fails.
258 (expand_builtin_strcmp): Always emit the libcall here on failure.
260 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
262 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
263 * flow.c (reg_n_info): Change the type to
264 VEC(reg_info_p,heap) *.
265 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
267 * regs.h (reg_info_p): New.
268 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
269 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
270 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
273 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
275 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
277 * params.h (MAX_SCHED_READY_INSNS): New macro.
278 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
279 past MAX_SCHED_READY_INSNS during the first scheduling pass.
280 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
281 the ready list for 1 cycle during the first scheduling pass.
282 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
284 2006-04-13 Richard Henderson <rth@redhat.com>
287 * gimple-low.c (lower_omp_directive): Remove dead code.
288 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
289 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
290 * omp-low.c (struct omp_region): Move to tree-flow.h.
291 (root_omp_region): Export.
292 (omp_regions, lookup_omp_region): Remove.
293 (determine_parallel_type): Update for struct omp_region changes.
294 (dump_omp_region): Dump regions with block numbers.
295 (new_omp_region): Take type and block instead of stmt; malloc
297 (free_omp_region_1, free_omp_regions): New.
298 (expand_parallel_call): Take entry_stmt as argument; update for
299 changes to omp_region.
300 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
301 (remove_exit_barriers): New.
302 (expand_omp_parallel): Update for struct omp_region changes.
303 (expand_omp_synch): Likewise.
304 (expand_omp): Likewise.
305 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
306 (expand_omp_for_static_chunk): Likewise.
307 (expand_omp_for): Likewise.
308 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
309 (expand_omp_sections): Similarly, with GOMP_sections_end.
310 (expand_omp_single): New.
311 (build_omp_regions_1): Update for OMP_CONTINUE.
312 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
313 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
314 OMP_SECTIONS_SECTIONS.
315 (lower_omp_single_simple): Don't emit barrier here.
316 (lower_omp_single_copy): Likewise.
317 (lower_omp_single): Fix bindings, and lower to straightline now.
318 (lower_omp_master, lower_omp_ordered): Likewise.
319 (lower_omp_critical): Likewise.
320 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
321 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
322 omp edges, free it afterward.
323 (make_omp_sections_edges): Remove.
324 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
325 (move_stmt_r): Handle OMP_CONTINUE.
326 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
327 statement pointers to basic blocks. Add type member.
328 (root_omp_region, new_omp_region, free_omp_regions): Declare.
329 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
330 * tree-inline.c (estimate_num_insns_1): Likewise.
331 * tree-pretty-print.c (dump_generic_node): Likewise.
332 * tree-ssa-operands.c (get_expr_operands): Likewise.
333 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
334 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
336 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
337 (OMP_SECTIONS_SECTIONS): Remove.
338 (OMP_SECTION_LAST): New.
339 (OMP_RETURN_NOWAIT): New.
341 2006-04-13 Roger Sayle <roger@eyesopen.com>
343 * fold-const.c (native_encode_vector, native_interpret_real):
344 Correct obvious mistakes in the previous check-in.
346 2006-04-13 Roger Sayle <roger@eyesopen.com>
348 * fold-const.c (native_encode_expr): New function to encode
349 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
350 or VECTOR_CST into a specified buffer.
351 (native_encode_int): New function.
352 (native_encode_real): New function.
353 (native_encode_complex): New function.
354 (native_encode_vector): New function.
355 (native_interpret_expr): Inverse of native_encode_expr to convert
356 a target representation into an INTEGER_CST, REAL_CST etc...
357 (native_interpret_int): New function.
358 (native_interpret_real): New function.
359 (native_interpret_complex): New function.
360 (native_interpret_vector): New function.
361 (fold_view_convert_expr): New function to constant fold/evaluate
362 a VIEW_CONVERT_EXPR of a suitable constant expression.
363 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
364 Change call of build1 to fold_build1 when constructing a
367 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
368 Ulrich Weigand <uweigand@de.ibm.com>
371 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
374 2006-04-13 Alan Modra <amodra@bigpond.net.au>
377 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
378 optimize to lo_sum for DFmode if !TARGET_FPRS.
380 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
382 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
383 delete_alias_info, compute_flow_sensitive_aliasing,
384 group_aliases): Use VEC instead of VARRAY.
385 * tree-ssa-structalias.c (update_alias_info): Likewise.
386 * tree-ssa-structalias.h (alias_info): Change the type of
387 processed_ptrs to VEC(tree,heap) *.
389 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
392 * config/sh/lib1funcs.h: New file, broken out of:
393 * config/sh/lib1funcs.asm.
394 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
396 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
397 * config/sh/lib1funcs-Os-4-200.asm: New file.
398 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
399 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
400 (EXTRA_MULTILIB_PARTS): Include it.
401 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
402 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
403 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
404 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
407 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
409 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
410 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
411 tpa_compact, root_var_init, type_var_init): Use VEC instead of
413 * tree-ssa-live.h: Include vecprim.h.
414 (tree_partition_associator_d): Change the type of
415 first_partition to VEC(int,heap) *.
416 (tpa_first_partition): Use VEC instead of VARRAY.
418 * Makefile.in (GTFILES): Move functions.h after tree.h.
419 * function.c (reset_block_changes, record_block_change,
420 check_block_change, free_block_changes): Use VEC instead of
422 * function.h (function): Change the type of
423 ib_boundaries_block to VEC(tree,gc) *.
424 * tree-inline.c (copy_cfg_body): Initialize
425 ib_boundaries_block to NULL instead of (varray_type) 0.
427 2006-04-12 Roger Sayle <roger@eyesopen.com>
429 * expr.c (emit_group_store): Correct operand order in call to
430 subreg_lowpart_offset. Always create paradoxical SUBREGs with
431 a SUBREG_BYTE of zero.
433 2006-04-12 Richard Guenther <rguenther@suse.de>
435 * profile.c (compute_branch_probabilities): Remove code
436 encapsulated in !ir_type (), which are remanents of the
437 removed RTL profiling code.
438 * rtl-profile.c: Remove.
440 2006-04-12 Alan Modra <amodra@bigpond.net.au>
442 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
443 magic NULL_RTX comment.
444 (function_arg): Store entire fp arg to mem if any part should go
446 (rs6000_arg_partial_bytes): Adjust for above change.
448 2006-04-11 Roger Sayle <roger@eyesopen.com>
450 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
451 if it hasn't been initialized by dwarf2out_init.
453 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
455 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
456 symbolic constants in branch patterns.
458 2006-04-11 Roger Sayle <roger@eyesopen.com>
460 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
462 2006-04-11 Richard Sandiford <richard@codesourcery.com>
464 PR rtl-optimization/27073
465 * gcse.c (try_replace_reg): Revert last change. Continue to search
466 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
469 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
471 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
472 aggregate types other than record and union types.
473 (function_arg): Likewise.
474 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
476 (function_value): In 64-bit mode, return objects that require it
479 2006-04-11 Roger Sayle <roger@eyesopen.com>
481 * dwarf2out.c (premark_used_types): Remove problematic prototype.
483 2006-04-11 Jakub Jelinek <jakub@redhat.com>
485 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
487 2006-04-03 Jeff Law <law@redhat.com>
490 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
491 alias information too.
493 2006-04-10 Mike Frysinger <vapier@gentoo.org>
495 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
497 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
500 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
501 (premark_used_types_helper): New.
502 (premark_used_types): New.
503 (gen_subprogram_die): Call premark_used_types.
504 (prune_unused_types_walk): Do not prune perennial dies.
505 * function.c (used_types_insert): New.
506 * function.h (struct function): Add used_types_hash field.
507 (used_types_insert): Add prototype.
508 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
509 * c-parser.c (c_parser_cast_expression): Save casted types in used
512 2006-04-11 Mark Mitchell <mark@codesourcery.com>
515 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
516 rs6000_explicit_options.float_gprs.
518 2006-04-10 Roger Sayle <roger@eyesopen.com>
520 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
521 from ix86_expand_vector_init_low_nonzero. Take an additional
522 one_var argument indicating which element is non-zero. Support
523 one_var != 0 for V4SFmode and V4SImode by permuting the result.
524 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
525 with one_var instead of ix86_expand_vector_init_low_nonzero.
527 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
529 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
530 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
531 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
532 build/genextract.o): Depend on vecprim.h.
533 * cfglayout.c, df-problems.c, function.c, genextract.c,
534 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
535 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
539 2006-04-10 Geoffrey Keating <geoffk@apple.com>
541 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
542 Declare VECs of this type.
543 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
544 (remove_children): Delete.
545 (add_dwarf_attr): Use VEC routines.
546 (add_AT_flag): Update for changes to add_dwarf_attr.
547 (add_AT_int): Likewise.
548 (add_AT_unsigned): Likewise.
549 (add_AT_long_long): Likewise.
550 (add_AT_vec): Likewise.
551 (add_AT_string): Likewise.
552 (add_AT_die_ref): Likewise.
553 (add_AT_fde_ref): Likewise.
554 (add_AT_loc): Likewise.
555 (add_AT_loc_list): Likewise.
556 (add_AT_addr): Likewise.
557 (add_AT_lbl_id): Likewise.
558 (add_AT_lineptr): Likewise.
559 (add_AT_macptr): Likewise.
560 (add_AT_offset): Likewise.
561 (add_AT_range_list): Likewise.
562 (get_AT): Use VEC_iterate.
563 (remove_AT): Use VEC_ordered_remove.
564 (free_die): Fold remove_children into here; have it use VEC_iterate.
565 (print_die): Use VEC_iterate on attrs.
566 (reverse_die_lists): Don't reverse attr lists.
567 (die_checksum): Use VEC_iterate on attrs.
568 (same_die_p): Likewise.
569 (output_location_lists): Likewise.
570 (build_abbrev_table): Likewise.
571 (size_of_die): Likewise.
572 (unmark_all_dies): Likewise.
573 (output_abbrev_section): Likewise.
574 (output_die): Likewise.
575 (prune_unused_types_walk_attribs): Likewise.
577 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
579 * doc/install.texi (*-*-solaris2*): Point to the configure page.
581 2006-04-10 Jakub Jelinek <jakub@redhat.com>
584 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
586 2006-04-09 Roger Sayle <roger@eyesopen.com>
588 * expr.c (store_constructor): Don't bother clearing target if
589 we're about to assign a vector to it using vec_init_optab.
591 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
593 * tree-ssa-alias.c (lhs_may_store_to): New function.
594 (recalculate_used_alone): Handle LHS of calls.
596 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
600 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
601 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
602 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
603 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
604 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
605 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
606 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
607 stubs. Add ".align 8" directives before all ".dword" directives.
608 (GTHREAD_USE_WEAK): Revise comment.
609 (TARGET_ATTRIBUTE_WEAK): Define.
610 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
611 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
612 * stublib.c: New file.
617 * pa.md (cbranch patterns): Revise arguments used in calls to
618 output_cbranch, output_bb and output_bvd. Add long branch length
620 (fbranch patterns): Handle long branches.
621 (jump): Revise length check. Revise arguments for output_lbranch call.
622 Add long branch length attributes.
623 (decrement_and_branch_until_zero): Add long branch length attributes.
624 (output_movb, output_parallel_addb and output_parallel_movb patterns):
625 Likewise. Revise arguments for output_parallel_addb and
626 output_parallel_movb calls.
627 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
628 output_parallel_movb and output_parallel_addb): Update prototypes.
629 * pa.c (output_cbranch): Revise arguments. Correct handling of
630 nullification in long branches.
631 (output_lbranch): Add new argument to control extraction of delay
633 (output_bb): Handle long branches.
634 (output_bvb, output_dbra, output_movb, output_parallel_movb,
635 output_parallel_addb): Likewise.
637 2006-04-09 Richard Sandiford <richard@codesourcery.com>
639 PR rtl-optimization/27073
640 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
643 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
645 * tree.h (tree_memory_tag): Add old_used_alone.
646 (SMT_OLD_USED_ALONE): New macro.
647 * tree-ssa-alias.c (recalculate_used_alone): Stop
648 marking things for renaming unnecessarily.
650 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
652 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
653 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
654 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
655 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
656 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
657 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
658 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
659 spelling convensions.
660 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
661 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
662 typos. Follow spelling conventions.
664 2006-04-07 DJ Delorie <dj@redhat.com>
666 * config/m32c/m32c.c (m32c_function_arg): Structures are always
668 (m32c_init_cumulative_args): When a function returns a structure,
669 always pass the pointer to that return area on the stack.
670 (m32c_function_arg_advance): Don't increment the parameter number
671 if we're processing the returned structure pointer.
672 (pushm_info): Reverse order of registers.
674 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
676 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
677 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
678 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
679 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
681 * tree-chrec.c (chrec_fold_multiply_poly_poly,
682 chrec_fold_multiply): Same.
683 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
684 force_expr_to_var_cost): Same.
685 * tree-mudflap.c (mf_xform_derefs_1): Same.
686 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
688 2006-04-07 David Edelsohn <edelsohn@gnu.org>
690 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
691 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
694 2006-04-07 Jan Hubicka <jh@suse.cz>
696 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
698 2006-04-07 Richard Guenther <rguenther@suse.de>
700 PR tree-optimization/26135
701 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
702 loads for store copy-prop.
703 (copy_prop_visit_stmt): Likewise.
705 2006-04-05 Robert Millan <robertmh@gnu.org>
707 * gcc/config/i386/linux.h: Add a comment to mark macros that are
708 being overriden in config/k*bsd-gnu.h.
709 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
711 * gcc/config/knetbsd-gnu.h: Ditto.
713 2006-04-06 Jan Hubicka <jh@suse.cz>
717 * coverage.c (coverage_checksum_string): Reorganize loop to not read
720 2006-04-06 Mike Stump <mrs@apple.com>
722 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
723 for HAVE_nonlocal_goto to be consistent.
724 (expand_builtin_nonlocal_goto): Likewise.
725 (expand_builtin_strcmp): Use #ifdef instead of #if
726 for HAVE_cmpstrnsi to be consistent.
728 2006-04-05 DJ Delorie <dj@redhat.com>
730 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
733 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
735 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
736 got-relative addressing for anything but SImode.
738 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
739 even if the calling function doesn't modify them.
741 2006-04-05 Richard Guenther <rguenther@suse.de>
743 PR tree-optimization/26919
744 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
745 to cgraph_estimate_size_after_inlining.
747 2006-04-05 Alan Modra <amodra@bigpond.net.au>
749 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
751 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
753 PR tree-optimization/26996
754 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
755 VECTOR_TYPE variables.
757 2006-04-05 Richard Guenther <rguenther@suse.de>
759 PR tree-optimization/26763
760 * fold-const.c (fold_comparison): Move folding of
761 PTR + CST CMP PTR + CST ...
762 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
764 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
766 * doc/install.texi (Prerequisites): Refine some wording on
767 bootstrapping and ksh.
768 Move the version numbers of DejaGnu here from the testing section
769 and fix casing of names.
770 Fix markup and clarify wording for autogen requirements.
771 Refer to GCJ instead of just java.
772 Refer to SVN instead of CVS.
773 Describe diffutils as useful instead of necessary.
774 (Downloading the source): Refer to SVN instead of CVS.
775 Adjust a link to our web site accordingly.
776 (Configuration): Fix casing of Bison.
777 (Building): Refer to SVN instead of CVS.
778 Fix a sentence on the use of Bison and remove duplicate (and
779 incorrect) version number of Bison requirement.
780 Remove one redundant list of packages needed for building.
781 (Specific): Avoid reference to CVS.
783 2006-04-04 Eric Christopher <echristo@apple.com>
785 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
786 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
787 (rs6000_handle_struct_attribute): New.
788 (rs6000_ms_bitfield_layout_p): Ditto.
790 2006-04-04 Geoffrey Keating <geoffk@apple.com>
792 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
793 NULL for dso parameter to atexit_common.
795 2006-04-04 Eric Christopher <echristo@apple.com>
797 * config/i386/i386.c (machopic_output_stub): Output \t
798 between instructions and operands.
800 2006-04-04 David Edelsohn <edelsohn@gnu.org>
802 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
803 satisfies_constraint_[IL] to explicit tests on value.
805 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
807 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
808 set_nb_iterations_in_loop): Use build_int_cst instead of
810 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
811 build_int_cst instead of convert.
813 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
815 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
816 new value 2 for incoming.
817 * function.c (expand_function_start): Call struct_value_rtx
819 * config/sparc/sparc.md: Comment updated_return.
820 * config/sparc/sparc.opt: Add -mstd-struct-return option.
821 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
822 struct return if sparc_std_struct_return and incoming is 2.
823 (print_operand): Do not adjust return if
824 sparc_std_struct_return.
826 2006-04-04 Roger Sayle <roger@eyesopen.com>
828 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
829 convert in the middle-end.
830 * expr.c (store_expr, store_constructor, get_inner_reference,
831 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
833 * tree.c (build_range_type): Likewise.
835 2006-04-04 Tom Tromey <tromey@redhat.com>
837 * doc/install.texi (Prerequisites): Mention jar.
839 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
841 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
844 2006-04-04 Matthias Klose <doko@debian.org>
846 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
848 2006-04-03 Geoffrey Keating <geoffk@apple.com>
850 * doc/extend.texi (Function Attributes): Rewrite visibility
851 attribute documentation.
852 * doc/invoke.texi (C++ Dialect Options): Rewrite
853 -fvisibility-inlines-hidden documentation to describe something
854 entirely different, although in practise compatible.
855 (Code Gen Options): Warn about system headers in -fvisibiltity=
858 * doc/extend.texi (Other Builtins): Document that
859 __builtin_nan is a compile-time constant only when its argument
862 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
864 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
865 trying to remove TRUNCATE check if all bits outside the new mode
866 are identical to the sign bit.
868 2006-04-03 Jeff Law <law@redhat.com>
870 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
871 and operand scanning in some common cases.
873 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
874 Dale Johannesen <dalej@apple.com>
877 * regclass.c (struct reg_pref): Update documentation.
878 (regclass): Set prefclass to NO_REGS if memory is the best option.
879 (record_reg_classes): Cope with a prefclass set to NO_REGS.
880 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
881 into account. For non-registers, equate an empty preferred
882 reload class to a `!' in the constraint; move the if clause to
883 do so after those that reject the insn.
884 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
886 (find_dummy_reload): Likewise.
887 * doc/tm.texi (Register Classes): Document what it means
888 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
889 * config/i386/i386.c (ix86_preferred_reload_class): Force
890 using SSE registers (and return NO_REGS for floating-point
891 constants) if math is done with SSE.
892 (ix86_preferred_output_reload_class): New.
893 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
894 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
895 * config/i386/i386.md: Remove # register preferences.
897 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
900 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
901 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
903 (instantiate_parameters_1): Convert the operands before calling
904 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
905 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
907 2006-04-02 Roger Sayle <roger@eyesopen.com>
909 * builtins.c (dummy_object): Use build_int_cst instead of convert.
910 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
912 * dojump.c (do_jump): Likewise.
913 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
914 * gimplify.c (gimple_boolify, gimplify_init_constructor,
915 gimplify_boolean_expr): Likewise.
916 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
917 * varasm.c (array_size_for_constructor): Likewise.
918 * tree-object-size.c (compute_object_offset): Likewise.
920 2006-04-02 Roger Sayle <roger@eyesopen.com>
923 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
924 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
926 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
928 PR tree-optimization/26939
929 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
931 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
933 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
934 at_stmt. Convert the type of operands before calling
935 build_polynomial_chrec.
936 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
938 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
939 (instantiate_parameters_1): Convert the type of operands before calling
940 build_polynomial_chrec.
941 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
942 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
943 reset_evolution_in_loop): Insert asserts to check the types of the
945 (chrec_type): Moved...
946 (eq_evolutions_p): Use operand_equal_p.
947 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
948 the types of the operands.
949 (chrec_type): ...here.
950 * tree-data-ref.c (create_data_ref): Convert the operands before
951 calling chrec_replace_initial_condition.
952 (same_access_functions, analyze_subscript_affine_affine,
953 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
954 (compute_subscript_distance, analyze_ziv_subscript,
955 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
956 analyze_miv_subscript): Convert the operands before calling
957 chrec_fold_minus or chrec_fold_plus.
959 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
961 * tree-data-ref.c (compute_all_dependences): Use a pointer to
962 the dependence_relations vector.
963 (compute_data_dependences_for_loop): Adjust call to
964 compute_all_dependences.
966 2006-04-01 Roger Sayle <roger@eyesopen.com>
967 Richard Henderson <rth@redhat.com>
969 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
970 gimple_boolify on the condition before calling gimplify_expr.
972 2006-03-31 Bob Wilson <bob.wilson@acm.org>
974 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
975 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
976 the frame size. Update to use the new macros.
977 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
978 * config/xtensa/ieee754-df.S: Likewise.
980 2006-03-31 Richard Henderson <rth@redhat.com>
982 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
983 (make_edges): ... here. Control fallthru creation with a local
984 variable. Do not play with fake edges.
985 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
986 (make_goto_expr_edges): Don't play with fake edges. Make for_call
989 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
991 * dwarf2.h (DW64_CIE_ID): Define.
992 * dwarf2out.c (DWARF_CIE_ID): Define.
993 (output_call_frame_info): Output 0xffffffff before standard 8-byte
994 length header. Use DWARF_CIE_ID.
995 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
996 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
998 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1000 * config/sh/linux-atomic.asm: New file.
1001 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1003 2006-03-31 DJ Delorie <dj@redhat.com>
1005 * config/m32c/cond.md: Set condition flags properly throughout.
1006 * config/m32c/minmax.md: Likewise.
1007 * config/m32c/prologue.md: Likewise.
1008 * config/m32c/bitops.md: Likewise.
1009 * config/m32c/muldiv.md: Likewise.
1010 * config/m32c/mov.md: Likewise.
1011 * config/m32c/addsub.md: Likewise.
1012 * config/m32c/m32c.md: Likewise.
1013 * config/m32c/jump.md: Likewise.
1014 * config/m32c/shift.md: Likewise.
1016 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1017 conditionally output the pattern for this.
1018 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1019 (m32c_compare_redundant): New.
1020 (m32c_output_compare): New.
1021 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1023 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1024 dest, not src. Allow other 4-byte modes.
1026 2006-03-30 Denis Chertykov <denisc@overta.ru>
1028 * doc/md.texi: Refer to avr/constraints.md instead of
1031 2006-03-30 Roger Sayle <roger@eyesopen.com>
1033 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1034 signed vs. unsigned comparison failures on some hosts.
1036 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1039 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1040 change to FLOAT_REGS.
1042 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1043 (rs6000_override_options): Use it.
1044 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1045 only for -mabi=spe/no-spe and -mabi=altivec.
1047 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1049 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1052 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1054 * Makefile.in: Rename docdir to gcc_docdir.
1056 2006-03-30 Roger Sayle <roger@eyesopen.com>
1059 * expr.c (emit_group_store): Optimize group stores into a pseudo
1060 register by using a paradoxical subreg to initialize the destination
1061 if the first or last member of the group specifies a "low part".
1063 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1066 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1067 * target.h (struct gcc_target.speculate_insn): Change type of the
1068 second parameter to 'int'.
1069 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1070 the second operand of the DEPS_LIST.
1071 (copy_DEPS_LIST_list): Update reference to the second operand of the
1073 * rtl.h (alloc_DEPS_LIST): Update signature.
1074 * sched-int.h (ds_t): Change typedef to 'int'.
1075 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1077 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1079 * haifa-sched.c (try_ready): Change condition to restore
1080 non-speculative pattern of the instruction.
1081 (process_insn_depend_be_in_spec): Code to keep probability of the
1082 speculative dependence non-decreasing.
1084 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1086 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1087 (single_move_for_movmem): ... this. Also change all uses.
1088 (bfin_expand_strmov): Renamed to...
1089 (bfin_expand_movmem): ... this. Also change all uses.
1090 * config/bfin/bfin.md (movstrsi): Renamed to...
1091 (movstrsi): ...this.
1093 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1095 PR tree-optimization/26830
1097 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1098 (copy_prop_visit_stmt): Remove write-only variable ann.
1099 (init_copy_prop): Check variable loop depth here. Do not simulate
1100 memory-tag and virtual operand PHIs except for store copy prop.
1102 2006-03-30 Richard Guenther <rguenther@suse.de>
1104 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1105 variants with double arguments.
1107 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1109 * genpreds.c (write_tm_constrs_h): Delete variable p.
1110 * genconditions.c (write_header): Add tm-constrs.h to included
1112 * genpeep.c (main): Add toplev.h to included headers.
1113 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1114 (build/genpeep.o): Add toplev.h dependency.
1115 * config/rs6000/constraints.md: Add "W" constraint.
1117 2006-03-29 Roger Sayle <roger@eyesopen.com>
1119 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1120 sizes by correctly testing whether the size fits a host integer.
1121 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1122 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1123 SImode range for the default sizetype and bitsizetype.
1125 2006-03-29 Roger Sayle <roger@eyesopen.com>
1127 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1128 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1129 quickly if the argument is already of the correct type.
1130 Call fold_build1 instead of build1. Tidy up blank lines.
1132 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1134 * genemit.c (main): Add tm-constrs.h to included headers.
1135 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1136 * genpeep.c (main): Add tm-constrs.h to included headers.
1137 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1138 (write_tm_constrs_h): this and write complete file.
1139 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1140 (write_insn_preds_c): Add tm-constrs.h to included headers.
1141 (gen_constrs): New variable.
1142 (parse_option): Parse "-c".
1143 (main): Invoke write_tm_constrs_h.
1144 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1145 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1146 (object_out_file): Add tm-constrs.h dependency.
1147 (insn-emit.o): Same.
1148 (insn-output.o): Same.
1149 (insn-peep.o): Same.
1150 (insn-preds.o): Same.
1151 (insn-recog.o): Same.
1152 (tm-constsr.h): New target.
1153 (s-constrs-h): New target.
1155 * config/rs6000/constraints.md: New file.
1156 * config/rs6000/rs6000.c: Include tm-constrs.h.
1157 (num_insn_constant_wide): Convert to satisfies_constraint.
1158 (rs6000_rtx_costs): Convert to satisfies_constraint.
1159 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1160 (CONST_OK_FOR_LETTER_P): Delete.
1161 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1162 (EXTRA_CONSTRAINT): Delete.
1163 (EXTRA_MEMORY_CONSTRAINT): Delete.
1164 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1165 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1166 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1167 satisfies_constraint.
1169 * config/i386/i386.c: Include tm-constrs.h.
1171 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1173 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1174 * tree-data-ref.c (find_data_references_in_loop,
1175 compute_data_dependences_for_loop): Use pointers to VEC.
1176 (analyze_all_data_dependences): Adjust calls.
1177 * tree-data-ref.h (find_data_references_in_loop,
1178 compute_data_dependences_for_loop): Adjust declarations.
1179 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1180 compute_data_dependences_for_loop.
1182 2006-03-29 Paul Brook <paul@codesourcery.com>
1184 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1187 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1189 PR tree-optimization/26859
1190 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1192 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1193 for the step after fold_convert.
1195 2006-03-29 Paul Brook <paul@codesourcery.com>
1197 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1198 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1200 2006-03-29 Paul Brook <paul@codesourcery.com>
1203 * targhooks.c (default_narrow_bitfield): New fuction.
1204 * targhooks.h (default_narrow_bitfield): add prototype.
1205 * target.h (gcc_target): Add narrow_volatile_bitfield.
1206 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1207 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1208 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1209 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1211 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1213 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1215 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1216 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1217 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1218 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1219 (s390_function_arg_float): Allow SDmode and DDmode values to be
1220 passed in floating point registers.
1221 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1222 check with SCALAR_FLOAT_MODE_P.
1223 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1225 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1227 PR tree-optimization/25985
1228 * tree-ssa-loop-niter.c (number_of_iterations_le,
1229 number_of_iterations_ne): Make comments more precise.
1230 (number_of_iterations_cond): Add only_exit argument. Use the
1231 fact that signed variables do not overflow only when only_exit
1233 (loop_only_exit_p): New.
1234 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1235 number_of_iterations_cond.
1237 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1239 PR tree-optimization/26643
1240 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1243 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1245 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1246 (divsi3_i4_int): Likewise.
1248 2006-03-28 Roger Sayle <roger@eyesopen.com>
1250 * expr.c (emit_group_store): Only create a new pseudo reg if the
1251 quantity it needs to hold isn't already a suitable pseudo.
1253 2006-03-28 Jeff Law <law@redhat.com>
1255 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1256 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1258 2006-03-28 Roger Sayle <roger@eyesopen.com>
1260 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1261 the equivalent ~X & Y, and the symmetry related transformations.
1262 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1263 ~X & Y, and symmetry related transforms.
1265 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1267 Revert my 2006-03-27 patches.
1269 2006-03-28 Roger Sayle <roger@eyesopen.com>
1271 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1272 ~(T1)X, when T1 and T2 are integer types of the same precision
1273 and (T2)X isn't an extension.
1275 2006-03-28 Jeff Law <law@redhat.com>
1277 PR tree-optimization/26796
1278 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1279 need EH edge cleanups rather than purging them immediately.
1280 (eliminate_degenerate_phis): Handle queued EH cleanups.
1282 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1284 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1287 2006-03-27 Roger Sayle <roger@eyesopen.com>
1290 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1291 cast BIT_NOT_EXPR operand to the correct type.
1293 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1295 * tree-loop-linear.c: Don't include varray.h.
1296 (gather_interchange_stats, try_interchange_loops,
1297 linear_transform_loops): Use VEC instead of VARRAY.
1298 * lambda-mat.c: Don't include varray.h.
1299 * tree-chrec.c: Same.
1300 * lambda-trans.c: Same.
1301 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1302 VEC instead of VARRAY.
1303 * tree-vectorizer.h: Idem.
1304 * tree-data-ref.c (dump_data_references,
1305 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1306 initialize_data_dependence_relation, finalize_ddr_dependent,
1307 compute_all_dependences, find_data_references_in_loop,
1308 compute_data_dependences_for_loop, analyze_all_data_dependences,
1309 free_dependence_relation, free_dependence_relations,
1310 free_data_refs): Idem.
1311 * tree-data-ref.h (data_reference_p, subscript_p): New.
1312 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1313 VEC instead of VARRAY.
1314 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1315 (find_data_references_in_loop, compute_data_dependences_for_loop,
1316 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1317 dump_data_dependence_relations, free_dependence_relations,
1318 free_data_refs): Adjust declaration.
1319 (lambda_transform_legal_p): Move declaration here...
1320 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1321 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1322 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1323 vect_analyze_data_refs): Use VEC instead of VARRAY.
1324 * lambda.h (lambda_transform_legal_p): ...from here.
1325 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1326 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1327 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1328 tree-chrec.o): Don't depend on VARRAY_H.
1330 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1332 * rtl.def (Copyright): Update date.
1333 (DEPS_LIST): Change type of the second operand to 'int'.
1334 * target.h (Copyright): Update date.
1335 (struct gcc_target.speculate_insn): Change type of the second parameter
1337 * lists.c (Copyright): Update date.
1338 (alloc_DEPS_LIST): Change signature. Update reference to the second
1339 operand of the DEPS_LIST.
1340 (copy_DEPS_LIST_list): Update reference to the second operand of the
1342 * rtl.h (Copyright): Update date.
1343 (alloc_DEPS_LIST): Update signature.
1344 * sched-int.h (Copyright): Update date.
1345 (ds_t): Change typedef to 'int'.
1346 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1348 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1350 * haifa-sched.c (Copyright): Update date.
1351 (try_ready): Change condition to restore non-speculative pattern
1353 (process_insn_depend_be_in_spec): Code to keep probability of the
1354 speculative dependence non-decreasing.
1356 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1358 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1359 shut up the compiler.
1361 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1363 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1364 to use lib prefix for target.
1365 ($(T)libic_invalidate_array_4-200.a): Likewise.
1366 ($(T)libic_invalidate_array_4a.a): Likewise.
1368 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1369 J"orn Rennecke <joern.rennecke@st.com>
1371 * superh.opt: New file.
1372 * sh.c (boardtype, osruntime): Remove.
1373 * superh.h (SUBTARGET_OPTIONS): Remove.
1374 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1376 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1377 arguments with ^ and/or [].
1379 * config.gcc (sh-*-*): Add quoting to account for quirk of
1381 Replace == with = in enable_incomplete_targets test.
1383 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1384 with MASK_LITTLE_ENDIAN.
1386 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1387 * config/sh/sh.opt: Added to some comments.
1388 * config/sh/superh.h: Removed some chaff.
1390 * config/sh/sh.opt: Add m4-[1234]00* options.
1391 * config/sh/sh.c (sh_handle_option): Likewise.
1392 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1393 (ic_invalidate_array_4-100.o): New rule.
1394 ($(T)libic_invalidate_array_4-100.a): Likewise.
1395 (ic_invalidate_array_4-200.o): Likewise.
1396 ($(T)libic_invalidate_array_4-200.a): Likewise.
1397 (ic_invalidate_array_4a.o): Likewise.
1398 ($(T)libic_invalidate_array_4a.a): Likewise.
1399 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1400 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1402 * config/sh/crt1.asm: Merged in profiling code.
1403 * config/sh/superh.h (STARTFILE_SPEC): Override.
1404 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1405 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1406 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1408 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1409 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1410 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1412 * sh.opt (mpretend-cmove): New option.
1413 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1414 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1415 (movsicc): Add TARGET_PRETEND_CMOVE code.
1417 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1419 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1420 s390_class_max_nregs): New function prototypes.
1421 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
1422 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
1423 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1424 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1426 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1428 * dwarf2out.c (add_location_or_const_value_attribute): Call
1429 tree_add_const_value_attribute if nothing else works.
1430 (reference_to_unused): New.
1431 (rtl_for_decl_init): Use reference_to_unused to decide whether
1432 to output an initializer.
1434 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1437 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1438 peephole removing spe frob_di_df_2.
1440 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1442 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1443 (subscript_dependence_tester_1): Declared.
1444 (print_dir_vectors, print_dist_vectors): New.
1445 (debug_data_dependence_relation): New.
1446 (dump_data_dependence_relation): Print more details.
1447 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1448 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1449 (save_dist_v, save_dir_v, add_outer_distances,
1450 build_classic_dist_vector_1): New.
1451 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1452 Don't test for lambda_vector_lexico_pos.
1453 (same_access_functions, add_multivariate_self_dist,
1454 add_other_self_distances, dir_from_dist): New.
1455 (build_classic_dir_vector): Replace implementation almost identical to
1456 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1458 (subscript_dependence_tester_1): New.
1459 (subscript_dependence_tester): Handle the lexicographically negative
1460 distance vectors by recomputing the dependence relation.
1461 (compute_affine_dependence): Remove parameter loop_nest_depth.
1462 (compute_self_dependence): Don't call compute_subscript_distance.
1463 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1464 Add a parameter for the loop_nest.
1465 (find_loop_nest_1, find_loop_nest): New.
1466 (compute_data_dependences_for_loop): Compute the loop nest, and give
1467 up if the nest is not well formed.
1468 * tree-data-ref.h (loop_p): New.
1469 (struct data_dependence_relation): Replace size_vect field with
1470 loop_nest, a vec of loops.
1471 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1472 (DDR_LOOP_NEST): New.
1473 (print_dir_vectors, print_dist_vectors,
1474 debug_data_dependence_relation): Declared.
1475 (index_in_loop_nest): New.
1476 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1477 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1480 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1482 * simplify-rtx.c (simplify_relational_operation): Call
1483 simplify_relational_operation_1 even if mode is VOIDmode.
1485 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1487 PR tree-optimization/26804
1488 * tree.h (DECL_CALL_CLOBBERED): New macro.
1489 (tree_decl_common): Add call_clobbered_flag.
1490 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1491 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1492 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1493 (mark_non_addressable): Ditto.
1494 * tree-ssa.c (verify_call_clobbered): New function.
1495 (verify_alias_info): Use it.
1496 * tree-pass.h (pass_reset_cc_flags): New prototype.
1497 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1498 (reset_cc_flags): New function.
1499 * passes.c (init_optimization_passes): Call reset_cc_flags after
1500 initializing referenced_vars.
1502 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1503 Roger Sayle <roger@eyesopen.com>
1506 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1507 to 1.0 for non-real operands. Implement A / A optimization for
1510 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1512 * config/i386/i386.c (size_cost): Correct the comment for
1513 cost of storing fp registers.
1514 (i386_cost): Likewise.
1515 (i486_cost): Likewise.
1516 (pentium_cost): Likewise.
1517 (pentiumpro_cost): Likewise.
1518 (k6_cost): Likewise.
1519 (athlon_cost): Likewise.
1520 (k8_cost): Likewise.
1521 (pentium4_cost): Likewise.
1522 (nocona_cost): Likewise.
1523 (generic64_cost): Likewise.
1524 (generic32_cost): Likewise.
1526 2006-03-24 Denis Chertykov <denisc@overta.ru>
1528 * config/avr/avr-protos.h (extra_constraint): Delete.
1529 (extra_constraint_Q): New declaration.
1530 * config/avr/constraints.md: New file.
1531 * config/avr/avr.md: Include it.
1532 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1533 (TMP_REGNO, ZERO_REGNO): Likewise.
1534 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1535 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1536 (extra_constraint): Delete.
1537 (extra_constraint_Q): Test for memory constraint 'Q'.
1538 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1539 (REG_CLASS_FROM_LETTER): Delete.
1540 (CONST_OK_FOR_LETTER_P): Delete.
1541 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1542 (EXTRA_CONSTRAINT): Delete.
1543 (TMP_REGNO): Delete.
1544 (ZERO_REGNO): Delete.
1546 2006-03-24 Jeff Law <law@redhat.com>
1548 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1549 directly. Call mark_new_vars_to_rename slightly earlier.
1551 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1553 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1555 (gen_compile_unit_die): Use new language types for Objective-C and
1557 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1558 DW_LANG_C_plus_plus.
1561 * config/t-darwin (crt3.o): Work around bug 26840.
1562 * config/darwin-crt3.c: Rewrite.
1563 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1565 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1567 * doc/invoke.texi: Document -femit-class-debug-always
1568 * common.opt: Add -femit-class-debug-always.
1570 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1572 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1573 index and base register.
1574 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1575 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1576 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1577 REGNO_OK_FOR_INDEX_P.
1578 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1580 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1581 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1582 REG_OK_FOR_BASE_P): Definitions removed.
1584 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1587 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1588 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1589 set yet or weren't marked as local yet.
1591 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1593 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1596 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1598 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1599 (rs6000_legitimate_small_data_p): Delete.
1600 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1601 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1602 and make static. Add forward declaration. Update uses.
1603 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1604 of offsettable_memref_p.
1605 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1606 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1608 2006-03-24 Jeff Law <law@redhat.com>
1610 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1611 around bug in immediate-use iterator.
1613 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1616 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1617 or __LITTLE_ENDIAN__.
1619 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1621 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1622 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1623 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1624 * config/sh/sh.opt (mdiv=): Amend description.
1625 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1626 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1627 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1628 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1629 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1630 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
1631 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
1632 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
1633 TARGET_DIVIDE_CALL_FP.
1635 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1637 * haifa-sched.c (choose_ready): Fix type of the local variable.
1638 Move local variables. Add comment.
1639 (check_reg_live): Change signature. Make callable from debugger.
1640 * sched-int.h (check_reg_live): Update signature.
1641 * sched-ebb.c (check_reg_live): Update parameters.
1642 * sched-rgn.c (check_reg_live): Ditto.
1643 (region_head_or_leaf_p): Check pointer before dereferencing.
1644 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1645 before reload on optimization levels below 1.
1647 2006-03-23 Richard Henderson <rth@redhat.com>
1649 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1653 * config/alpha/predicates.md (local_symbolic_operand): Reject
1656 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1659 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1660 expressions which have overflowed constants.
1662 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1664 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1666 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1668 * cfgloopmanip.c (create_loop_notes): Removed.
1669 * final.c (final_scan_insn): Do not handle loop notes.
1670 * jump.c (squeeze_notes): Ditto.
1671 * cfglayout.c (skip_insns_after_block,
1672 duplicate_insn_chain): Ditto.
1673 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1675 * cfgloop.h (create_loop_notes): Declaration removed.
1677 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1679 * varasm.c (output_constant_pool): Restore fnname and fndecl
1681 (assemble_start_function): Adjust call accordingly.
1682 (assemble_end_function): Likewise.
1684 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1687 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1690 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1692 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1695 * system.h (ICE_EXIT_CODE): New macro.
1696 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1697 (diagnostic_action_after_output): Likewise.
1698 * gcc.c (fatal_ice): New function.
1699 (execute): Use it instead of fatal.
1700 (fancy_abort): Likewise.
1701 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1703 2006-03-22 Jeff Law <law@redhat.com>
1705 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1706 iv_analyze_result returning false.
1708 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1710 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1712 2006-03-22 Richard Henderson <rth@redhat.com>
1715 * except.c (duplicate_eh_regions_0): New.
1716 (duplicate_eh_region_1): Duplicate the children of the node as
1717 well as the node itself. Link them up properly.
1718 (duplicate_eh_region_2): Merge into ...
1719 (duplicate_eh_regions): ... here. Take copy_region argument, and
1720 copy only a sub-tree if asked. Simplify copying and fixup.
1721 (eh_region_outer_p): New.
1722 * except.h (duplicate_eh_regions): Update decl.
1723 (eh_region_outer_p): Declare.
1724 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1725 (lower_omp_master): Likewise.
1726 (lower_omp_ordered): Likewise.
1727 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1728 (move_stmt_r): Use it to remap labels. Handle recursion vs
1729 remap_decls_p properly.
1730 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1731 (find_outermost_region_in_block): New.
1732 (new_label_mapper): New.
1733 (move_sese_region_to_fn): Copy eh information to the new function
1735 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1737 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1740 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1742 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1743 into shared libraries.
1745 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1747 * doc/md.texi: Refer to i386/constraints.md instead of
1749 * config/i386/constraints.md: New file, extracted from...
1750 * config/i386/predicates.md: ...here.
1751 * config/i386/i386.md: Include constraints.md.
1753 2006-03-21 Jason Merrill <jason@redhat.com>
1755 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1758 * expr.c (init_block_move_fn): Force default visibility.
1759 (init_block_clear_fn): Likewise.
1760 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1761 * targhooks.c (default_external_stack_protect_fail): Likewise.
1763 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1765 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1766 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1767 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1768 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1769 (loadgp): Use mips_current_loadgp_style.
1770 (loadgp_noshared): New pattern.
1771 (sibcall_internal): Use MIPS_CALL.
1772 (sibcall_value_internal): Likewise.
1773 (sibcall_value_multiple_internal): Likewise.
1774 (call_internal): Likewise.
1775 (call_value_internal): Likewise.
1776 (call_value_multiple_internal): Likewise.
1777 (call_split): Use MIPS_CALL and add an 'S' constraint.
1778 (call_value_split): Likewise.
1779 (call_value_multiple_split): Likewise.
1780 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1781 (-mshared): New option.
1782 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1783 (mips_current_loadgp_style): Declare.
1784 * config/mips/mips.c (mips_classify_symbol): Avoid using
1785 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1786 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1787 TARGET_ABSOLUTE_ABICALLS.
1788 (override_options): Adjust comments. Improve the warning that is
1789 issued when -mabicalls and -G are used together.
1790 (mips_file_start): Remove comment.
1791 (mips_current_loadgp_style): New function.
1792 (mips_gnu_local_gp): New variable.
1793 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1795 (mips_output_function_prologue): Use mips_current_laodgp_style.
1796 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1797 the cprestore instruction.
1798 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1799 live for TARGET_ABSOLUTE_ABICALLS.
1800 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1801 (ASM_SPEC): Pass down -mshared and -mno-shared.
1802 (MIPS_CALL): New macro.
1803 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1805 * doc/invoke.texi (-mabicalls): Update documentation.
1806 (-mshared): Document.
1808 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1810 * config/ia64/unwind-hpux.c: New file.
1811 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1813 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1816 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1818 2006-03-21 Jeff Law <law@redhat.com>
1820 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1821 type conversions of a VR_VARYING source to a wider type.
1823 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1825 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1826 tm_file on Solaris 10 and later.
1827 (sparc64-*-solaris2*): Likewise.
1828 (sparc-*-solaris2*): Likewise.
1829 * config/sol26.h: Rename to config/sol2-6.h.
1830 * config/sol2-10.h: New file.
1832 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1835 * tree-ssa-pre.c (create_component_ref_by_pieces):
1838 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1841 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1842 return it immediately.
1844 2006-03-21 Michael Matz <matz@suse.de>
1846 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1848 (remove_arc, add_arc): Update num_out_arcs member.
1849 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1851 (cache_presence): New function.
1852 (compare_states_for_equiv): New function.
1853 (state_is_differed): Don't take number of outargs, adjust callers.
1854 Use new invariant for speeding up.
1855 (init_equiv_class): Create initial classes based on sorted
1857 (partition_equiv_class): Don't track out_arcs_num.
1858 (evaluate_equiv_classes): Call cache_presence on all states and
1861 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1863 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1864 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1865 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1866 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1868 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1869 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1870 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1871 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1872 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1874 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1875 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1876 (REGNO_REG_CLASS): ARGP is in PREGS.
1877 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1879 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1880 to deal with those addresses.
1881 * addresses.h: New file.
1882 * caller-save.c: Include "addresses.h".
1883 (init_caller_save): Use new base_reg_class function.
1884 * rtl-factoring.c: Include "addresses.h".
1885 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1886 * recog.c: Include "addresses.h".
1887 (preprocess_constraints): Use new base_reg_class function.
1888 * regrename.c: Include "addresses.h".
1889 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1890 functions. Keep track of a new var INDEX_CODE to compute valid
1892 (replace_oldest_value_addr): Likewise.
1893 (replace_oldest_value_mem): Use base_reg_class.
1894 * reload.c: Include "addresses.h".
1895 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1896 (find_reloads): Use new base_reg_class function.
1897 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1898 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1899 all callers and prototype changed.
1900 * reload1.c: Include "addresses.h".
1901 (maybe_fix_stack_asms): Use base_reg_class.
1902 * regclass.c: Include "addresses.h".
1903 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1904 (init_reg_autoinc): Use new base_reg_class function.
1905 (record_reg_classes): Likewise.
1906 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1907 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1908 Use new args to compute necessary class.
1910 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1911 regrename.o, rtl-factoring.o): Update dependencies.
1912 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1913 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1914 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1915 REG_OK_FOR_INDEX_P): Delete documentation.
1917 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1919 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1920 from V7 to V9 for Solaris 7 and above.
1922 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1924 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1925 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1926 argument pointers may not alias any other storage.
1927 * common.opt: Define option -fargument-noalias-anything.
1928 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1929 alias semantics is specified by flag_argument_noalias > 2.
1931 2006-03-20 Jeff Law <law@redhat.com>
1933 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1934 (pass_phi_only_cprop): Declare.
1935 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1937 * tree-ssa-dom.c (degenerate_phi_result): New function.
1938 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1939 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1940 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1941 (eliminate_degenerate_phis): Likewise.
1942 (pass_phi_only_cprop): New pass descriptor.
1943 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1944 support code. Callers updated.
1945 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1946 (store_copy_prop): Likewise.
1947 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1949 2006-03-20 Jason Merrill <jason@redhat.com>
1952 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1953 (push_visibility, pop_visibility): Likewise.
1954 * c-pragma.h: Declare them.
1956 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1958 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1960 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1961 parameter and use get_ebb_head_tail.
1962 (sh_md_init_global): Adjust uses of find_regmode_weight.
1964 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1966 * function.h (struct function) <x_tail_recursion_reentry>:
1967 Rename to x_stack_check_probe_note.
1968 (tail_recursion_reentry): Rename to stack_check_probe_note.
1969 * function.c: Replace tail_recursion_reentry with
1970 stack_check_probe_note everywhere.
1971 (expand_function_start): Only emit a note for
1972 stack_check_probe_note with -fstack-protect.
1973 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1975 * emit-rtl.c (remove_unnecessary_notes): Remove.
1976 (pass_remove_unnecessary_notes): Remove.
1977 * rtl.h (remove_unnecessary_notes): Remove prototype.
1978 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1979 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1980 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1982 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1985 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1986 (valid_in_set): Handle ARRAY_REF.
1987 Change "if min_variant or VH" to asserts.
1988 (create_component_ref_by_pieces): Handle ARRAY_REF.
1989 (create_expression_by_pieces): Likewise.
1990 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1992 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1994 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1995 is operand of switch, not str[0].
1997 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1999 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2000 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2002 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2004 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2005 end of insn_extra_address_constraint declaration.
2007 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2009 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2010 (no-sum-in-toc): Same.
2011 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2013 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2014 NO_FP_IN_TOC for -fPIC instead of mask.
2016 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2017 (BOOT_LDFLAGS): Delete.
2019 * config/rs6000/t-aix52: Same.
2021 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2022 (stmsi[345678]_power): New.
2024 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2026 * config/ia64/ia64.opt: Add empty line to end of file.
2028 2006-03-17 Richard Guenther <rguenther@suse.de>
2031 * builtins.c (get_pointer_alignment): For component style references
2032 adjust alignment to the component type alignment. Make sure
2033 to adjust alignment for component access of constants.
2035 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2037 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2040 2006-03-17 Paul Brook <paul@codesourcery.com>
2042 * doc/install.texi: Docuemnt --with-mode.
2043 * config.gcc: Add --with-mode for arm*-*-*.
2044 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2046 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2048 * sh.c (max_labelno_before_reorg): New variable.
2049 (sh_reorg): Initialize it.
2050 (find_barrier): Check max_labelno_before_reorg before using
2051 label_to_alignment. Take length of explicit alignment insns
2052 into account. When seeing a UNSPECV_CONST_END, return it.
2054 * sh.c (fixup_mova): Set mode of affected label to QImode.
2055 (untangle_mova): New function.
2056 (find_barrier): Use it. Check mode of label before decrementing
2058 (sh_reorg): Likewise.
2059 Set mode of all insns back to VOIDmode.
2061 * sh.c (MOVA_LABELREF): New macro.
2062 (mova_p, fixup_mova, sh_reorg): Use it.
2063 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2064 ADDR_DIFF_VEC matches mova.
2066 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2068 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2069 with ATTRIBUTE_UNUSED.
2071 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2073 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2074 pointer, instead of assuming it is possible to derive the
2075 correct args size from a call insn.
2077 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2079 * rtl.h (CONST_INT_P): Define.
2080 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2081 instead of GET_CODE(x) == CONST_INT.
2082 (vax_rtx_costs): Likewise.
2083 (vax_output_int_move): Likewise.
2084 (vax_output_int_add): Likewise.
2085 (legitimate_constant_address_p): Likewise.
2086 (index_term_p): Likewise.
2087 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2088 * config/vax/vax.md (and<mode>3): Likewise.
2089 (ashrsi3): Likewise.
2091 (movstricthi): Likewise.
2092 (movstrictqi): Likewise.
2093 (rotrsi3): Likewise.
2094 (five unnamed insns): Likewise.
2096 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2098 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2099 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2100 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2101 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2102 Pass to ASM_OUTPUT_DWARF_OFFSET.
2103 * dwarf2out.c (debug_frame_section): New.
2104 (output_call_frame_info): Use debug_frame_section. Pass it to
2105 dw2_asm_output_offset.
2106 (output_die): Pass appropriate section to dw2_asm_output_offset.
2107 (output_compilation_unit_header): Likewise.
2108 (output_pubnames): Likewise.
2109 (output_aranges): Likewise.
2110 (enum dw_val_class): Break dw_val_class_lbl_offset into
2111 dw_val_class_lineptr and dw_val_class_macptr.
2112 (add_AT_lbl_offset): Delete.
2113 (add_AT_lineptr): New.
2114 (add_AT_macptr): New.
2115 (AT_lbl): Expect a lineptr or macptr.
2116 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2117 (attr_checksum): Likewise.
2118 (same_dw_val_p): Likewise.
2119 (size_of_die): Likewise.
2120 (value_format): Likewise.
2121 (output_die): Likewise.
2122 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2124 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2125 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2126 * config/darwin-protos.h (darwin_file_start): New.
2127 (darwin_asm_output_dwarf_offset): New.
2128 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2129 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2131 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2132 if not EH section; simplify.
2133 (darwin_file_start): New.
2134 (darwin_asm_output_dwarf_offset): New.
2135 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2137 (DEBUG_INFO_SECTION): Likewise.
2138 (DEBUG_ABBREV_SECTION): Likewise.
2139 (DEBUG_ARANGES_SECTION): Likewise.
2140 (DEBUG_MACINFO_SECTION): Likewise.
2141 (DEBUG_LINE_SECTION): Likewise.
2142 (DEBUG_LOC_SECTION): Likewise.
2143 (DEBUG_PUBNAMES_SECTION): Likewise.
2144 (DEBUG_STR_SECTION): Likewise.
2145 (DEBUG_RANGES_SECTION): Likewise.
2146 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2147 (ASM_OUTPUT_DWARF_OFFSET): New.
2149 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2151 * config.gcc (tm_defines): Always add to previous value rather
2154 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2156 * config/mips/predicates.md (splittable_const_int_operand): New,
2157 split from move_operand.
2158 (splittable_symbolic_operand): New.
2159 (move_operand): Add commentary. Use splittable_const_int_operand.
2160 Inline mips_atomic_symbolic_constant_p.
2161 * config/mips/mips.md: Add combine splitters for handling moves
2162 of splittable_const_int_operands and splittable_symbolic_operands.
2163 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2164 (mips_split_symbol): Declare.
2165 (mips_move_integer): Declare.
2166 * config/mips/mips.c (mips_split_p): Make global.
2167 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2168 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2169 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2170 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2171 (mips_offset_within_object_p): Handle block symbols.
2172 (mips_atomic_symbolic_constant_p): Delete.
2173 (mips_cannot_force_const_mem): Return false for constants that
2174 mips_legitimize_move can handle.
2175 (mips_use_blocks_for_constant_p): New function.
2176 (mips_split_symbol): Make global.
2177 (mips_move_integer): Likewise. Add a temporary register argument.
2178 (mips_legitimize_const_move): Use splittable_const_int_operand and
2179 splittable_symbolic_operand.
2180 (mips_use_anchors_for_symbol_p): New function.
2181 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2182 (mips_split_p): Declare.
2184 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2186 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2187 (mips*-*-linux*): Likewise.
2189 2006-03-16 Roger Sayle <roger@eyesopen.com>
2190 Daniel Speyer <dspeyer@wam.umd.edu>
2193 * tree-dump.c (dump_real): New function.
2194 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2195 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2196 (tree-dump.o): Add $(REAL_H) to the dependencies.
2198 2006-03-16 Roger Sayle <roger@eyesopen.com>
2201 * real.c (real_from_string): If the mantissa is zero, don't bother
2202 parsing the exponent as the result should always be zero.
2204 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2206 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2208 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2210 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2211 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2212 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2213 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2214 ia64_sched_finish_global): New static functions to implement
2215 hooks from gcc_target.sched.
2216 (spec_check_no, max_uid, pending_data_specs): New static variables.
2217 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2218 ia64_spec_check_src_p): New static functions.
2219 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2220 (TARGET_SCHED_ADJUST_COST): Removed.
2221 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2222 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2223 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2224 TARGET_SCHED_GEN_CHECK,
2225 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2226 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2227 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2228 Fixed to handle speculation checks.
2229 (rtx_needs_barrier): Fixed to handle speculative loads and
2231 (ia64_variable_issue): Added code to count speculative loads and their
2233 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2235 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2237 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2239 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2240 (ia64_reorg): Reset stops_p to NULL after it is freed.
2241 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2242 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2243 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2245 (data_speculative, control_speculative, check_load): New attributes.
2246 (mov<mode>_advanced, mov<mode>_speculative,
2247 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2248 zero_extend<mode>di2_speculative,
2249 zero_extend<mode>di2_speculative_advanced): New patterns for
2250 data and control speculative loads.
2251 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2253 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2254 New pattern for data and control speculation checks.
2255 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2256 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2257 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2258 Auxiliary definitions for the patterns.
2259 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2260 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2262 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2264 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2265 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2266 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2267 New resource constraints.
2268 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2270 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2271 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2272 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2273 msched-in-control-spec, msched-ldc, msched-control-ldc,
2274 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2275 msched-prefer-non-control-spec-insns,
2276 msched-count-spec-in-critical-path): New flags to tune speculative
2278 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2279 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2280 msched-in-control-spec, msched-ldc, msched-control-ldc,
2281 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2282 msched-prefer-non-control-spec-insns,
2283 msched-count-spec-in-critical-path): Document new flags.
2285 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2287 * target.h (struct spec_info_def): New opaque declaration.
2288 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2289 speculate_insn, needs_block_p, gen_check,
2290 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2291 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2292 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2293 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2294 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2295 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2297 (TARGET_SCHED): Use new macros.
2298 * rtl.h (copy_DEPS_LIST_list): New prototype.
2299 * sched-int.h (struct sched_info): Change signature of new_ready field,
2300 adjust all initializations. New fields: add_remove_insn,
2301 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2302 region_head_or_leaf_p.
2303 (struct spec_info_def): New structure declaration.
2304 (spec_info_t): New typedef.
2305 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2306 recovery_block, orig_pat.
2307 (glat_start, glat_end): New variables declaraions.
2308 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2310 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2311 DETACH_LIFE_INFO, USE_GLAT.
2312 (enum SPEC_SCHED_FLAGS): New enumeration.
2313 (NOTE_NOTE_BB_P): New macro.
2314 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2315 attach_life_info, debug_spec_status, check_reg_live): New functions.
2316 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2317 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2319 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2320 * ddg.c (get_block_head_tail): Adjust all uses.
2321 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2322 (sms_sched_info): Initialize new fields.
2323 (contributes_to_priority): Removed.
2324 * haifa-sched.c (params.h): New include.
2325 (get_block_head_tail): Adjust all uses.
2326 (ISSUE_POINTS): New macro.
2327 (glat_start, glat_end): New global variables.
2328 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2329 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2330 old_last_basic_block, before_recovery, current_sched_info_var,
2331 rgn_n_insns, luid): New static variables.
2332 (insn_cost1): New function. Move logic from insn_cost to here.
2333 (find_insn_reg_weight1): New function. Move logic from
2334 find_insn_reg_weight to here.
2335 (reemit_notes, move_insn, max_issue): Change signature.
2336 (move_insn1): Removed.
2337 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2338 extend_bb): New static functions to support extension of scheduler's
2340 (generate_recovery_code, process_insn_depend_be_in_spec,
2341 begin_speculative_block, add_to_speculative_block,
2342 init_before_recovery, create_recovery_block, create_check_block_twin,
2343 fix_recovery_deps): New static functions to support
2344 generation of recovery code.
2345 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2346 restore_bb_notes, move_block_after_check, move_succs): New static
2347 functions to support ebb scheduling.
2348 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2349 functions to support handling of register live information.
2350 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2351 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2352 add_jump_dependencies): New static functions.
2353 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2354 consistancy checking.
2355 (debug_spec_status): New function to call from debugger.
2356 (priority): Added code to handle speculation checks.
2357 (rank_for_schedule): Added code to distinguish speculative instructions.
2358 (schedule_insn): Added code to handle speculation checks.
2359 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2360 Fixed to handle ebbs.
2361 (move_insn): Added code to handle ebb scheduling.
2362 (max_issue): Added code to use ISSUE_POINTS of instructions.
2363 (choose_ready): Added code to choose between speculative and
2364 non-speculative instructions.
2365 (schedule_block): Added code to handle ebb scheduling and scheduling of
2366 speculative instructions.
2367 (sched_init): Initialize new variables.
2368 (sched_finish): Free new variables. Print statistics.
2369 (try_ready): Added code to handle speculative instructions.
2370 * lists.c (copy_DEPS_LIST_list): New function.
2371 * sched-deps.c (extend_dependency_caches): New function. Move logic
2372 from create_dependency_caches to here.
2373 (get_dep_weak, ds_merge): Make global.
2374 * genattr.c (main): Code to output prototype for
2375 dfa_clear_single_insn_cache.
2376 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2377 (output_dfa_clean_insn_cache_func): Code to output
2378 dfa_clear_single_insn_cache function.
2379 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2381 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2383 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2384 New static variables.
2385 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2386 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2388 (ebb_sched_info): Initialize new fields.
2389 (get_block_head_tail): Adjust all uses.
2390 (compute_jump_reg_dependencies): Fixed to use glat_start.
2391 (schedule_ebb): Code to remove unreachable last block.
2392 (schedule_ebbs): Added code to update register live information.
2393 * sched-rgn.c (region_sched_info): Initialize new fields.
2394 (get_block_head_tail): Adjust all uses.
2395 (last_was_jump): Removed. Adjust users.
2396 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2397 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2398 Implement new hooks.
2399 (check_dead_notes1): New static function.
2400 (struct region): New fields: dont_calc_deps, has_real_ebb.
2401 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2402 (BB_TO_BLOCK): Fixed to handle EBBs.
2403 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2404 (ebb_head): New static variable.
2405 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2406 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2408 (compute_dom_prob_ps): New assertion.
2409 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2410 global_live_at_start.
2411 (init_ready_list): New assertions.
2412 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2413 (new_ready): Add support for BEGIN_CONTROL speculation.
2414 (schedule_insns): Fixed code that updates register live information
2416 (schedule_region): Fixed to handle EBBs.
2417 (init_regions): Use extend_regions and check_dead_notes1.
2418 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2419 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2420 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2421 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2422 TARGET_SCHED_GEN_CHECK,
2423 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2424 TARGET_SCHED_SET_SCHED_FLAGS): Document.
2425 * doc/invoke.texi (max-sched-insn-conflict-delay,
2426 sched-spec-prob-cutoff): Document.
2428 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2430 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2431 inter_tick, queue_index.
2432 (struct sched_info): Change signature of init_ready_list field.
2433 Adjust all initializations.
2434 (RESOLVED_DEPS): New access macro.
2435 (ready_add): Remove prototype.
2436 (try_ready): Add prototype.
2437 * sched-rgn.c (init_ready_list): Use try_ready.
2438 (schedule_region): Initialize
2439 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2440 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2441 (init_ready_list): Use try_ready.
2442 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2443 * lists.c (remove_list_elem): Remove `static'.
2444 (remove_free_INSN_LIST_elem): New function.
2445 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2446 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2447 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2449 (readyp): New variable.
2450 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2451 change_queue_index, resolve_dep): New static functions.
2452 (try_ready): New function. Adjust callers in sched-rgn.c and
2453 sched-ebb.c to use it instead of ready_add.
2454 (clock_var): Move at the begining of file.
2455 (rank_for_schedule): Fix typo.
2456 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2457 (ready_lastpos): Enforce assertion.
2458 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2460 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2461 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2462 (queue_to_ready): Use free_INSN_LIST_list.
2463 (early_queue_to_ready): Fix typo.
2464 (schedule_block): Init readyp. Move init_ready_list call after the
2465 initialization of clock_var. Fix error in rejecting insn by
2466 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2467 that previously corrected INSN_TICKs. Add code for handling
2469 (set_priorities): Fix typo.
2470 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2471 Clarify comment and code that keeps current_sched_info->next_tail
2474 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2476 * sched-rgn.c (extend_rgns): New static function.
2477 (find_rgns): Use it.
2478 (gather_region_statistics, print_region_statistics): New static
2480 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2481 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2483 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2484 Andrey Belevantsev <abel@ispras.ru>
2486 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2487 * lists.c (unused_deps_list): New variable.
2488 (free_list): Add assertions to verify the proper distinguishing
2489 between INSN_LISTs and DEPS_LISTs.
2490 (find_list_elem, remove_list_elem, remove_list_node): New static
2492 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2493 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2494 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2495 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2497 (free_INSN_LIST_node): Likewise.
2498 * modulo-sched.c (current_sched_info): Initialize flags field.
2499 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2500 * rtl.def (DEPS_LIST): Define.
2501 * rtl.h: Declare new functions from lists.c.
2502 * sched-deps.c (spec_dependency_cache): New static variable.
2503 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2504 (add_dependence): Change return type to void. Move the logic to ...
2505 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2506 (delete_all_dependences): Add comment about forward_dependency_cache.
2507 Handle spec_dependency_cache. Handle DEPS_LISTs.
2508 (fixup_sched_groups): Clarify the change of priority of output
2509 and anti dependencies.
2510 (sched_analyze_2): Adjust add_dependence calls to create data
2511 speculative dependence.
2512 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2513 Adjust all callers. Handle DEPS_LISTS.
2514 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2515 presence of speculation.
2516 (init_dependency_caches, free_dependency_caches):
2517 Handle spec_dependency_cache.
2518 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2519 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2520 New static functions.
2521 (add_or_update_back_dep, add_or_update_back_forw_dep,
2522 add_back_forw_dep, delete_back_forw_dep): New functions.
2523 * sched-int.h (ds_t, dw_t): New typedefs.
2524 (struct sched_info): Add new field flags.
2525 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2526 Prototype new sched-deps.c functions.
2527 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2528 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2529 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2530 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2531 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2532 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2534 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2536 * sched-rgn.c (current_sched_info): Initialize flags field.
2537 (schedule_insns): Initialize current_sched_info before the sched_init
2539 * sched-ebb.c (current_sched_info): Initialize flags field.
2540 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2541 Call add_or_update_back_dep instead of add_dependence.
2542 Create control speculative dependencies.
2543 (schedule_insns): Initialize current_sched_info before the sched_init
2546 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2548 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2550 (sh_fallback_frame_state): Likewise.
2552 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2554 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2555 Do switch on default_use_cxa_atexit.
2556 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2557 * config/darwin-crt3.o: New.
2558 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2559 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2560 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2562 * config/rs6000/t-darwin: Move crt2.o building to here.
2563 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2564 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2567 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2569 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2570 from '! xxx' to '!xxx' for coding-style conformance.
2571 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2572 (EXTRA_CONSTRAINT): Likewise.
2573 * config/vax/vax.md (four unnamed insns): Likewise.
2575 2006-03-15 Paul Brook <paul@codesourcery.com>
2577 * config/arm/arm.c (minipool_pad): New.
2578 (add_minipool_forward_ref): Include pool alignment padding in address
2580 (push_minipool_fix): Set minipool_pad.
2581 (minipool_pad): Ditto.
2583 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2585 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2586 instead of GET_CODE() == MEM and REG_P() instead of
2588 (print_operand_address): Likewise.
2589 (vax_address_cost): Likewise.
2590 (vax_rtx_costs): Likewise.
2591 (vax_notice_update_cc): Likewise.
2592 (vax_output_int_add): Likewise.
2593 (INDEX_REGISTER_P): Likewise.
2594 (BASE_REGISTER_P): Likewise.
2595 (nonindexed_address_p): Likewise.
2596 (vax_mode_dependent_address_p): Likewise.
2597 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2598 (PRINT_OPERAND): Likewise.
2599 * config/vax/vax.md (ashlsi3): Likewise.
2600 (ashlsi3): Likewise.
2601 (some more unnamed insns): Likewise.
2603 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2605 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2606 iterator-style macro.
2607 (mark_control_dependent_edges_necessary): Update the use of
2608 EXECUTE_IF_CONTROL_DEPENDENT.
2610 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2612 * config/sh/predicates.md (cache_address_operand): Special.
2613 (ua_address_operand): Likewise.
2615 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2617 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2619 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2621 2006-03-15 Andreas Schwab <schwab@suse.de>
2623 * gensupport.c (identify_predicable_attribute): Don't free p_false
2624 when it is still in use.
2626 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2628 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2629 the default setting here.
2631 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
2633 * tree-pass.h (pass_cfg): Remove.
2634 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
2635 * passes.c (pass_cfg): Don't run it.
2637 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
2639 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
2640 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2642 (stack_regs_mentioned): Update the uses of
2643 stack_regs_mentioned_data. Don't access the array beyond its
2645 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2646 Don't include gt-reg-stack.h.
2648 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2649 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2651 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2654 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2657 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2659 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2661 2006-03-14 Richard Guenther <rguenther@suse.de>
2663 PR tree-optimization/26672
2664 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2667 2006-03-14 Richard Guenther <rguenther@suse.de>
2669 PR tree-optimization/26667
2670 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2671 node for the callees. Always allow inlining if it will shrink
2674 2006-03-14 Richard Guenther <rguenther@suse.de>
2677 * builtins.c (get_pointer_alignment): Prefer alignment
2678 information from decls over that from types.
2680 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2683 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2685 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2687 * config/rs6000/rs6000.opt (mdlmzb): New option.
2688 (msched-prolog, msched-epilog): Use Var not Mask.
2689 * doc/invoke.texi (-mdlmzb): Document.
2690 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2692 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2693 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2695 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2697 PR rtl-optimization/25739
2698 * bt-load.c (augment_live_range): Free tos pointer.
2700 * gensupport.c (identify_predicable_attribute): Free
2702 * gcov.c (create_file_names): Free name pointer.
2704 2006-03-13 Roger Sayle <roger@eyesopen.com>
2707 * stmt.c (emit_case_nodes): Handle the case where the index is a
2708 CONST_INT, where the comparison mode is specified by the index type.
2710 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2712 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2715 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2717 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2718 (*branch_fp_inverted): Likewise.
2720 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2723 * omp-low.c (expand_omp_for_generic): Mark istart0
2724 and iend0 as addressable.
2726 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2728 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2730 2006-03-13 Jeff Law <law@redhat.com>
2732 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2733 virtual operands are interesting.
2734 (vrp_visit_stmt): Corresponding changes.
2736 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2738 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2740 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2741 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2742 * config/bfin/crti.S: Use it instead of __PIC__.
2743 * config/bfin/crtn.S: Likewise.
2745 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2746 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2748 Lose 'G' modifier for call operand.
2749 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2750 recognize 'G' modifier.
2752 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2755 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2756 * stmt.c (expand_case): Likewise.
2758 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2760 PR rtl-optimization/26254
2761 * loop-invariant.c (seq_insns_valid_p): New function.
2762 (move_invariant_reg): Only emit new code if it is valid.
2764 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2766 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2768 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2769 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2770 (commit_one_edge_insertion): Do not look for loop notes.
2772 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2774 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2775 flag_test_coverage out of loop.
2777 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2779 * final.c (shorten_branches): Remove outdated comment, and turn
2780 the if branch that guards it to continue.
2782 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2784 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2785 * cfgloop.h (struct loop): Remove unused fields.
2787 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2789 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2790 (-dL, -fdump-rtl-loop2): Update the dump file names
2792 * doc/invoke.texi: Update dump file names.
2794 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2796 * predict.c (estimate_probability): Remove.
2797 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2798 * basic-block.h (estimate_probability): Remove prototype.
2799 * passes.c (finish_optimization_passes): Dump branch prediction or
2800 profiling heuristics to the .profile tree dump.
2801 (init_optimization_passes): Unqueue pass_branch_prob.
2803 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2805 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2807 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2808 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2810 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2812 * function.h (frame_offset_overflow): Declare.
2813 * function.c (frame_offset_overflow): New function.
2814 (assign_stack_local_1): Call it to detect that the offset overflows.
2815 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2817 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2819 * config/sh/sh.c: Include alloc-pool.h.
2820 (label_ref_list_pool): New alloc pool.
2821 (label_ref_list_t): New type for lists of labels.
2822 (struct pool_node): Make wend a label_ref_list_t.
2823 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2825 (dump_table): Likewise.
2826 (sh_reorg): Set up the alloc pool before using add_constant and
2827 dump_table, and destroy it when finishing.
2829 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2831 * config/mips/mips.c: Remove redundant comment.
2833 2006-03-10 Jason Merrill <jason@redhat.com>
2836 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2837 the target was declared 'register'.
2839 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2841 * genpreds.c (write_insn_constraint_len): Change definition of
2842 insn_constraint_len to return size_t to match the declaration.
2844 2006-03-10 DJ Delorie <dj@redhat.com>
2846 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2848 (m32c_expand_insv): Fix test for an AND mask.
2850 2006-03-10 Richard Guenther <rguenther@suse.de>
2853 * builtins.c (get_pointer_alignment): Handle component
2854 references for field alignment.
2856 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2858 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2859 when building with libgloss.
2860 (sh*elf): Implement --without-fp option.
2861 (sh64-superh-linux*): Don't multilib.
2863 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2865 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2867 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2869 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2870 Set it when one of the replacement functions returned true.
2871 Return TODO_cleanup_cfg if cfgchanged is true.
2872 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2874 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2876 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2877 instead of gen_lowpart.
2879 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2881 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2883 (mips_output_order_conditional_branch): Declare.
2884 * config/mips/mips.h (MIPS_BRANCH): New macro.
2885 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2886 for the comparison. Use gen_condjump.
2887 (mips_output_conditional_branch): Rework interface to take the
2888 asm templates for a direct branch and the inverse of a direct branch.
2889 (mips_output_order_conditional_branch): New function.
2890 (mips_builtin_branch_and_move): New function.
2891 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2892 branch condition. Use gen_single_cc as the condition for
2893 __builtin_mips_upper_* or __builtin_mips_lower_*.
2894 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2895 Use VOIDmode for the branch condition.
2896 * config/mips/predicates.md (order_operator): New predicate.
2897 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2898 (branch_fp): Rename to...
2899 (*branch_fp): ...this. Remove mode from comparison operator.
2900 Use new mips_output_conditional_branch interface.
2901 (branch_fp_inverted): Rename to...
2902 (*branch_fp_inverted): ...this and update as for *branch_fp.
2903 (*branch_zero<mode>): Rename to...
2904 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2905 Use mips_output_order_conditional_branch. Only accept ordered
2907 (*branch_zero<mode>_inverted): Rename to...
2908 (*branch_order<mode>_inverted): ...this and update as for
2909 *branch_order<mode>.
2910 (*branch_equality<mode>): Accept zero as the second operand to
2911 the equality operator. Use the new mips_output_conditional_branch
2913 (*branch_equality<mode>_inverted): Likewise.
2914 (condjump): New expander.
2915 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2917 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2918 (bc1any2t, bc1any2f): Likewise.
2919 (single_cc): New expander.
2920 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2922 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2924 * doc/md.texi: Update documentation of MIPS constraints.
2925 * config/mips/constraints.md: New file.
2926 * config/mips/mips.md: Include it.
2927 * config/mips/mips.c (mips_char_to_class): Delete.
2928 (override_options): Don't initialize mips_char_to_class.
2929 * config/mips/mips.h (mips_char_to_class): Delete.
2930 (REG_CLASS_FROM_LETTER): Delete.
2931 (CONST_OK_FOR_LETTER_P): Delete.
2932 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2933 (EXTRA_CONSTRAINT_Y): Delete.
2934 (EXTRA_CONSTRAINT_STR): Delete.
2935 (CONSTRAINT_LEN): Delete.
2936 (EXTRA_MEMORY_CONSTRAINT): Delete.
2938 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2940 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2941 original fn's eh regions.
2943 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2945 * fold-const.c (build_range_check): Make sure to use a valid type to
2946 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2949 (range_predecessor): New static function.
2950 (range_successor): Likewise.
2951 (merge_ranges): Use them to compute predecessors and successors of
2954 2006-03-09 Roger Sayle <roger@eyesopen.com>
2957 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2958 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2960 2006-03-08 DJ Delorie <dj@redhat.com>
2962 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2963 (addpsi3): Expand to include memory operands. Remove
2964 reload-specific splits.
2965 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2966 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2967 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2968 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2969 (shift1_qi, shift1_hi, insv): New.
2970 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2971 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2972 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2974 * config/m32c/m32c-protos.h: Update as needed.
2975 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2976 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2977 Fail for unrecognized R* constraints.
2978 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2979 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2980 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2982 (m32c_init_libfuncs): New.
2983 (m32c_legitimate_address_p): Add debug wrapper.
2984 (m32c_rtx_costs): New.
2985 (m32c_address_cost): New.
2986 (conversions): Add 'B' prefix.
2987 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2988 operands, or word regnames for QI operands. 'B' prints bit
2990 (m32c_expand_setmemhi): New.
2991 (m32c_expand_movmemhi): New.
2992 (m32c_expand_movstr): New.
2993 (m32c_expand_cmpstr): New.
2994 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2995 (m32c_expand_neg_mulpsi3): Handle non-ints.
2996 (m32c_cmp_flg_0): New.
2997 (m32c_expand_movcc): New.
2998 (m32c_expand_insv): New.
2999 (m32c_scc_pattern): New.
3000 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3001 a0/a1 out of SIregs.
3002 (STORE_FLAG_VALUE): New.
3003 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3006 * config/m32c/mov.md: Make constraints more liberal.
3007 (zero_extendqihi2): Optimize r0/r1 case.
3008 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3009 * config/m32c/predicates.md (m32c_any_operand): New.
3010 (m32c_nonimmediate_operand): New.
3011 (m32c_hl_operand): New.
3012 (m32c_r3_operand): New.
3015 (memsym_operand): New.
3016 (memimmed_operand): New.
3017 (a_qi_operand): New.
3018 (m32c_eqne_operator): New.
3019 (m32c_1bit8_operand): New.
3020 (m32c_1bit16_operand): New.
3021 (m32c_1mask8_operand): New.
3022 (m32c_1mask16_operand): New.
3023 * config/m32c/blkmov.md: New file.
3024 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3026 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3028 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3029 unsigned to fix signed/unsigned comparison issue in
3030 DWARF2_FRAME_REG_OUT.
3031 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3032 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3034 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3035 of ptr into the ENABLE_CHECKING section.
3037 2006-03-08 Jeff Law <law@redhat.com>
3039 * tree-vrp.c (infer_value_range): Only count pointer uses
3040 and dereferences if -fdelete-null-pointer-checks is enabled.
3042 * tree-vrp.c (find_assert_locations): Infer value ranges for
3043 single use pointers, but do not create ASSERT_EXPRs for them.
3044 When a non-null range is inferred for a pointer, backwards
3045 propagate that range to other equivalent pointers through the
3048 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3051 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3052 language hook targets.
3053 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3054 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3055 if language hook targets were missing.
3057 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3059 * tree-ssa-opfinalize.h: Removed.
3060 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3062 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3063 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3064 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3065 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3066 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3067 finalize_ssa_v_must_def_ops): New.
3069 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3071 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3074 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3076 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3078 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3079 addresses with offsets; reorganize.
3081 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3082 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3083 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3085 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3088 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3090 2006-03-08 Ben Elliston <bje@au.ibm.com>
3092 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3094 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3097 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3100 2006-03-07 Richard Guenther <rguenther@suse.de>
3102 PR tree-optimization/26587
3103 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3105 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3107 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3109 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3111 * hooks.c (hook_bool_mode_rtx_true): New function.
3112 * hooks.h (hook_bool_mode_rtx_true): Declare.
3113 * toplev.c (compile_file): Call output_shared_constant_pool.
3114 * varasm.c (shared_constant_pool): New variable.
3115 (assemble_start_function, assemble_end_function): Remove arguments
3116 from call to output_constant_pool.
3117 (create_constant_pool): New function, split out from...
3118 (init_varasm_status): ...here.
3119 (force_const_mem): Choose between the shared and per-function constant
3120 pools. Set current_function_uses_const_pool when reusing old entries
3121 as well as when creating new ones.
3122 (mark_constant): Ignore data argument.
3123 (mark_constants): Remove pool argument.
3124 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3125 to decide whether the function uses a constant pool.
3126 (output_constant_pool_contents): New function, split out from...
3127 (output_constant_pool): ...here.
3128 (output_shared_constant_pool): New function.
3129 (init_varasm_once): Initialize shared_constant_pool.
3130 * output.h (output_constant_pool): Delete.
3131 (output_shared_constant_pool): Declare.
3132 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3133 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3135 2006-03-06 Nick Clifton <nickc@redhat.com>
3137 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3138 flag_strength_reduce.
3140 2006-03-06 Ben Elliston <bje@au.ibm.com>
3142 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3143 x86_64-*-linux* configurations.
3145 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3146 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3148 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3150 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3152 * basic-block.h: Remove the extern for
3153 rediscover_loops_after_threading.
3155 * cfgloop.c (cancel_loop): Make it static.
3156 * cfgloop.h: Remove the prototype for cancel_loop.
3158 * flow.c (recompute_reg_usage): Make it static.
3159 * rtl.h: Remove the prototype for recompute_reg_usage.
3161 * function.c (use_return_register): Make it static.
3162 * function.h: Remove the prototype.
3164 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3166 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3168 * recog.h: Remove the prototype for
3169 validate_change_maybe_volatile.
3171 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3173 * rtlanal.c (replace_reg): Remove.
3174 * rtl.h: Remove the prototype for replace_reg.
3176 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3178 * regclass.c (reg_scan_update): Remove.
3179 (reg_scan_mark_refs): Remove the last argument.
3180 * rtl.h: Remove the prototype for reg_scan_update.
3182 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3184 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3185 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3186 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3187 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3188 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3189 loop-invariant.c, omp-low.c, opts.c, passes.c,
3190 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3191 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3192 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3193 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3194 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3195 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3197 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3199 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3200 * dwarf2out.h: Remove the prototype for
3201 dwarf2out_add_library_unit_info.
3203 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3205 * tree.c (add_var_to_bind_expr): Remove.
3206 * tree.h: Remove the prototype for add_var_to_bind_expr.
3208 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3210 * regclass.c (n_non_fixed_regs): Remove.
3211 (init_reg_sets_1, globalize_reg): Remove all uses of
3213 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3215 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3217 * rtlanal.c (insns_safe_to_move_p): Remove.
3218 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3220 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3222 * expmed.c (expand_mult_add): Remove.
3223 * expr.h: Remove the prototype for expand_mult_add.
3225 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3227 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3228 and REG_SAVED_VAL_EXP constants.
3229 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3230 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3231 Handle regs stored by value.
3232 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3233 (execute_cfa_program): Handle DW_CFA_val_offset,
3234 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3235 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3236 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3237 (uw_install_context_1): Handle target regs stored by value.
3239 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3241 * tree-sra.c (tree_sra): Return todoflags;
3242 (generate_one_element): Set TODO_update_smt_usage if needed.
3243 (pass_sra): Remove TODO_update_smt_usage.
3244 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3246 (tree_ssa_forward_propagate_single_use_vars): Return
3247 TODO_update_smt_usage if we need to update SMT usage.
3248 (pass_forwprop): Remove TODO_update_smt_usage.
3250 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3252 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3253 (correct_use_link): Remove reference to get_stmt_operands.
3254 (update_stmt_operands): Likewise.
3255 (get_modify_expr_operands): New function factored out of
3256 parse_ssa_operands and get_expr_operands.
3257 Try to create V_MUST_DEFs for LHS by default.
3258 (get_expr_operands) <case MODIFY_EXPR>: Call
3259 get_modify_expr_operands.
3260 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3261 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3262 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3263 get_modify_expr_operands.
3265 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3267 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3268 * tree-flow.h: Remove the prototype for
3269 referenced_var_lookup_if_exists.
3271 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3273 PR rtl-optimization/26345
3275 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3277 2006-03-03 Roger Sayle <roger@eyesopen.com>
3279 PR tree-optimization/26524
3280 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3281 fold_convert to create a constant of the appropriate type.
3283 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3285 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3286 SYMBOL_REF_IN_BLOCK_P.
3287 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3288 of SYMBOL_FLAG_IN_BLOCK.
3289 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3290 instead of SYMBOL_REF_IN_BLOCK_P.
3291 * explow.c (use_anchored_address): Likewise.
3292 * rtl.c (rtx_size): Likewise.
3293 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3294 instead of SYMBOL_FLAG_IN_BLOCK.
3295 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3296 SYMBOL_REF_IN_BLOCK_P.
3297 (assemble_variable): Likewise.
3298 (output_constant_def_contents): Likewise.
3299 (output_constant_pool): Likewise.
3300 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3301 instead of SYMBOL_FLAG_IN_BLOCK.
3302 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3303 SYMBOL_REF_IN_BLOCK_P.
3304 (SYMBOL_REF_BLOCK): Likewise.
3305 (SYMBOL_REF_OFFSET): Likewise.
3306 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3307 SYMBOL_REF_IN_BLOCK_P.
3308 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3309 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3310 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3311 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3313 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3315 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3317 2006-03-02 Roger Sayle <roger@eyesopen.com>
3319 * simplify-rtx.c (simplify_unary_operation): When simplifying
3320 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3321 that we perform the right shift in the appropriate mode, and
3322 then extend or truncate the result to requested mode.
3324 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3326 * gengtype.c (main): Handle double_int type.
3327 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3328 * double-int.c: New file.
3329 * double-int.h: New file.
3330 * system.h: Include doubleint.h.
3331 * Makefile.in (SYSTEM_H): Include double-int.h.
3332 (double-int.o): Add.
3334 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3337 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3340 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3342 * tree-vrp.c (remove_range_assertions): Do not update statements
3345 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3347 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3349 * gcse.c (rest_of_handle_gcse): Ditto.
3350 * except.c (gate_handle_eh): Ditto.
3351 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3352 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3354 2006-03-02 Eric Christopher <echristo@apple.com>
3356 * config/i386/i386.c (machopic_output_stub): Add indirection to
3359 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3363 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3365 Sun Niagara specific optimizations.
3366 * config.gcc: Recognize niagara as target.
3367 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3368 (TARGET_CPU_niagara): Define.
3369 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3370 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3371 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3372 (ASM_CPU_SPEC): Likewise.
3373 (PROCESSOR_NIAGARA): New enum entry.
3374 (REGISTER_MOVE_COST): Handle Niagara.
3375 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3376 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3377 (sparc_override_options): Recognize "niagara", set appropriate
3378 default MASK_* values for it, and align functions to 32-bytes
3379 by default just like ULTRASPARC/ULTRASPARC3.
3380 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3381 (sparc64_initialize_trampoline): Likewise.
3382 (sparc_use_sched_lookahead): Use zero for niagara.
3383 (sparc_issue_rate): Use one for niagara.
3384 * config/sparc/niagara.md: New file.
3385 * config/sparc/sparc.md: Include it.
3386 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3387 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3388 when default cpu is niagara.
3389 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3390 (ASM_CPU_SPEC): Likewise.
3391 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3392 when default cpu is niagara.
3393 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3394 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3395 just like v9/ultrasparc/ultrasparc3.
3396 * doc/invoke.texi: Add documentation for "niagara" and improve
3397 existing documentation for ultrasparc variants.
3399 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3401 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3403 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3405 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3406 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3407 and say that only one is needed.
3408 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3409 * target.h (have_switchable_bss_sections): New hook.
3410 * explow.c (use_anchored_address): Check that the symbol is in a block.
3411 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3412 (bss_noswitch_section): New variables.
3413 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3414 (get_noswitch_section): New function.
3415 (get_block_for_section): Allow SECT to be null.
3416 (unlikely_text_section_p): Use SECTION_STYLE.
3417 (bss_initializer_p): New function.
3418 (get_variable_section): Move earlier in file. Take a new argument,
3419 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3420 Return one of the new *_sections in such cases.
3421 (get_block_for_decl): New function, extracting some logic from
3422 use_blocks_for_decl_p.
3423 (change_symbol_section): Remove in favor of...
3424 (change_symbol_block): ...this new function.
3425 (use_blocks_for_decl_p): Remove checks now performed by
3427 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3428 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3429 (emit_local, emit_bss, emit_common): ...these new functions.
3430 Return true if the alignment was honored.
3431 (emit_tls_common): New function.
3432 (asm_emit_uninitialised): Delete.
3433 (assemble_variable_noswitch): New function, split out from...
3434 (assemble_variable): ...here. Don't make decisions about common
3435 variables here. Globalize all public decls that go into non-common
3436 sections. Check whether SYMBOL_REF_BLOCK is null.
3437 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3438 (output_constant_pool): Likewise.
3439 (init_varasm_once): Initialize the new section variables.
3440 (have_global_bss_p): New function.
3441 (categorize_decl_for_section): Use bss_initializer_p.
3442 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3443 (place_block_symbol): Assert that the symbol must be in a block.
3444 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3445 (TARGET_INITIALIZER): Include it.
3446 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3447 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3448 (SECTION_MACH_DEP): Bump by two.
3449 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3450 (unnamed_section): Mention SECTION_UNNAMED in comment.
3451 (named_section): Likewise SECTION_NAMED.
3452 (noswitch_section_callback): New type.
3453 (noswitch_section): New structure.
3454 (section): Add a noswitch_section alternative.
3455 (SECTION_STYLE): New macro.
3456 (tls_comm_section, comm_section, lcomm_section): Declare.
3457 (bss_noswitch_section, have_global_bss_p): Declare.
3458 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3459 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3461 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3462 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3465 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3467 * gcc/tree-vrp.c (execute_vrp): Return value.
3468 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3469 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3470 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3471 (tree_lower_complex_O0): Ditto.
3472 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3473 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3474 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3475 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3476 (execute_tail_calls): Ditto.
3477 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3478 * gcc/tree.h (init_function_for_compilation): Ditto.
3479 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3480 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3481 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3482 * gcc/final.c (compute_alignments): Ditto.
3483 (rest_of_handle_final): Ditto.
3484 (rest_of_handle_shorten_branches): Ditto.
3485 (rest_of_clean_state): Ditto.
3486 * gcc/omp-low.c (execute_expand_omp): Ditto.
3487 (execute_lower_omp): Ditto.
3488 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3489 * gcc/ipa-reference.c (static_execute): Ditto.
3490 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3491 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3492 (rest_of_handle_machine_reorg): Ditto.
3493 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3494 * gcc/flow.c (recompute_reg_usage): Ditto.
3495 (rest_of_handle_remove_death_notes): Ditto.
3496 (rest_of_handle_life): Ditto.
3497 (rest_of_handle_flow2): Ditto.
3498 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3499 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3500 (do_ssa_store_ccp): Ditto.
3501 (execute_fold_all_builtins): Ditto.
3502 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3503 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3504 * gcc/ipa-pure-const.c (static_execute): Ditto.
3505 * gcc/cse.c (rest_of_handle_cse): Ditto.
3506 (rest_of_handle_cse2): Ditto.
3507 * gcc/web.c (rest_of_handle_web): Ditto.
3508 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3509 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3510 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3511 * gcc/tree-nrv.c (tree_nrv): Ditto.
3512 (execute_return_slot_opt): Ditto.
3513 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3514 (create_structure_vars): Ditto.
3515 * gcc/loop-init.c (rtl_loop_init): Ditto.
3516 (rtl_loop_done): Ditto.
3517 (rtl_move_loop_invariants): Ditto.
3518 (rtl_unswitch): Ditto.
3519 (rtl_unroll_and_peel_loops): Ditto.
3520 (rtl_doloop): Ditto.
3521 * gcc/gimple-low.c (lower_function_body): Ditto.
3522 (mark_used_blocks): Ditto.
3523 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3524 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3525 (cgraph_early_inlining): Ditto.
3526 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3527 * gcc/jump.c (cleanup_barriers): Ditto.
3528 (purge_line_number_notes): Ditto.
3529 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3530 (rest_of_handle_if_after_reload): Ditto.
3531 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3532 (tree_ssa_loop_im): Ditto.
3533 (tree_ssa_loop_unswitch): Ditto.
3534 (tree_vectorize): Ditto.
3535 (tree_linear_transform): Ditto.
3536 (tree_ssa_loop_ivcanon): Ditto.
3537 (tree_ssa_empty_loop): Ditto.
3538 (tree_ssa_loop_bounds): Ditto.
3539 (tree_complete_unroll): Ditto.
3540 (tree_ssa_loop_prefetch): Ditto.
3541 (tree_ssa_loop_ivopts): Ditto.
3542 (tree_ssa_loop_done): Ditto.
3543 * gcc/predict.c (tree_estimate_probability): Ditto.
3544 * gcc/recog.c (split_all_insns_noflow): Ditto.
3545 (rest_of_handle_peephole2): Ditto.
3546 (rest_of_handle_split_all_insns): Ditto.
3547 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3548 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3549 (rest_of_handle_stack_adjustments): Ditto.
3550 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3551 * gcc/function.c (instantiate_virtual_regs): Ditto.
3552 (init_function_for_compilation): Ditto.
3553 (rest_of_handle_check_leaf_regs): Ditto.
3554 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3555 (rest_of_handle_gcse): Ditto.
3556 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3557 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3558 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3559 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3560 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3561 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3562 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3563 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3564 * gcc/except.c (set_nothrow_function_flags): Ditto.
3565 (convert_to_eh_region_ranges): Ditto.
3566 (rest_of_handle_eh): Ditto.
3567 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3568 (remove_unnecessary_notes): Ditto.
3569 * gcc/except.h (set_nothrow_function_flags): Ditto.
3570 (convert_to_eh_region_ranges): Ditto.
3571 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3572 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3573 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3574 (execute_fre): Ditto.
3575 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3576 (rest_of_handle_jump2): Ditto.
3577 * gcc/tree-sra.c (tree_sra): Ditto.
3578 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3579 (execute_mudflap_function_decls): Ditto.
3580 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3581 (do_store_copy_prop): Ditto.
3582 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3583 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3584 * gcc/tree-ssa-forwprop.c
3585 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3586 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3587 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3588 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3589 (execute_late_warn_uninitialized): Ditto.
3590 * gcc/rtl.h (cleanup_barriers): Ditto.
3591 (split_all_insns_noflow): Ditto.
3592 (purge_line_number_notes): Ditto.
3593 (unshare_all_rtl): Ditto.
3594 (remove_unnecessary_notes): Ditto.
3595 (recompute_reg_usage): Ditto.
3596 (variable_tracking_main): Ditto.
3597 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3598 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3599 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3600 (execute_free_cfg_annotations): Ditto.
3601 (execute_fixup_cfg): Ditto.
3602 (execute_cleanup_cfg_pre_ipa): Ditto.
3603 (execute_cleanup_cfg_post_optimizing): Ditto.
3604 (execute_init_datastructures): Ditto.
3605 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3606 * gcc/combine.c (rest_of_handle_combine): Ditto.
3607 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3608 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3609 (rest_of_handle_reorder_blocks): Ditto.
3610 (rest_of_handle_partition_blocks): Ditto.
3611 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3612 * gcc/tree-profile.c (tree_profiling): Ditto.
3613 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3614 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3615 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3616 (rest_of_handle_sched2): Ditto.
3617 * gcc/basic-block.h (free_bb_insn): Ditto.
3618 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3619 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3620 (remove_useless_stmts): Ditto.
3621 (split_critical_edges): Ditto.
3622 (execute_warn_function_return): Ditto.
3623 (execute_warn_function_noreturn): Ditto.
3624 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3625 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3626 * gcc/passes.c (execute_one_pass): Run additional
3627 todos returned by execute function.
3628 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
3631 2006-03-02 Richard Guenther <rguenther@suse.de>
3633 * tree-ssa-alias.c (find_used_portions): Consider taking
3634 the address as making the variable not write-only.
3636 2006-03-02 Nick Clifton <nickc@redhat.com>
3638 * config.gcc (default_use_cxa_atexit): Extend the description of
3639 this configure variable. Set its default value to "yes" for
3640 Linux, NetBSD and ELF targets on the assumption that they will
3641 use C libraries with the __cxa_atexit function.
3643 2006-03-02 Ben Elliston <bje@au.ibm.com>
3645 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3646 parameter as unused to suppress a build warning.
3648 2006-03-02 Ben Elliston <bje@au.ibm.com>
3650 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3653 2006-03-01 Roger Sayle <roger@eyesopen.com>
3656 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3657 declared name, the weak reference name, and the typeof name.
3658 (__gthrw): Avoid expanding the declared name suffix.
3659 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3661 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3663 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3665 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3666 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3667 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3668 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3669 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3670 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3671 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3672 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3673 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3674 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3675 (DW_END_default, DW_END_big, DW_END_little): New.
3676 (DW_END_lo_user, DW_END_hi_user): Define.
3677 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3678 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3679 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3682 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3684 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3686 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3688 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3690 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3692 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3693 to 'symbol_mem_tag'.
3695 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3698 2006-03-01 Roger Sayle <roger@eyesopen.com>
3700 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3702 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3705 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3706 MACHO_DYNAMIC_NO_PIC_P.
3707 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3709 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3712 * config/darwin-protos.h (darwin_asm_output_anchor):
3714 * config/darwin-sections.def (cstring_section):
3715 Add SECTION_MERGE to the flags.
3716 (literal4_section): Likewise.
3717 (literal8_section): Likewise.
3718 (objc_selector_refs_section): Likewise.
3719 (objc_cls_refs_section): Likewise.
3720 * config/darwin.c (darwin_asm_output_anchor): New
3722 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3724 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3726 Fix PR tree-optimization/26443
3727 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3728 to todo and PROP_tmt_usage to properties_destroyed.
3729 * tree-ssa-ccp.c (pass_ccp): Ditto.
3730 (pass_store_ccp): Ditto.
3731 * tree-ssa-dom.c (pass_dominator): Ditto.
3733 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3735 * tree-ssa-operands.c: Cleanup whitespace.
3736 (get_asm_expr_operands): Move before first invocation.
3737 (get_indirect_ref_operands): Likewise.
3738 (get_tmr_operands): Likewise.
3739 (get_call_expr_operands): Likewise.
3740 (append_def): Likewise.
3741 (append_use): Likewise.
3742 (append_v_may_def): Likewise.
3743 (append_v_must_def): Likewise.
3744 (add_call_clobber_ops): Likewise.
3745 (add_call_read_ops): Likewise.
3746 (add_stmt_operand): Likewise.
3747 (add_virtual_operand): Likewise.
3748 (build_ssa_operands): Likewise.
3750 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3755 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3756 with a call expr to ...
3757 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3759 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3761 * tree-vrp.c (extract_range_from_assert): Remove special
3762 handling for types with super-types.
3764 2006-03-01 Ben Elliston <bje@au.ibm.com>
3766 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3767 and powerpc64-*-linux* configurations.
3768 * config/t-dfprules: New file.
3770 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3771 Compile dfp-bit.c from the source directory using -DWIDTH and
3772 $DFP_CFLAGS to control the compilation of that file, rather than
3773 generating width-specific versions in the build directory.
3774 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3775 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3777 2006-02-28 Zack Weinberg <zackw@panix.com>
3779 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3782 2006-02-28 Eric Christopher <echristo@apple.com>
3784 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3785 Set up IN_LIBGCC definition of TARGET_64BIT.
3786 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3788 2006-02-28 Roger Sayle <roger@eyesopen.com>
3791 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3792 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3793 cases via the construction of "expr != 0".
3795 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3797 * alias.c (alias_invariant, alias_invariant_size): Remove.
3798 (record_base_value): Remove.
3799 (memrefs_conflict_p): Don't look at alias_invariant.
3800 (end_alias_analysis): Don't free it.
3801 * alias.h (record_base_value): Remove prototype.
3803 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3804 Adam Nemet <anemet@caviumnetworks.com>
3806 * rtl.h (truncated_to_mode): Declare it.
3807 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3808 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3809 (RTL_HOOKS_INITIALIZER): Include it.
3810 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3811 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3812 reg_truncated_to_mode.
3813 * rtlanal.c (truncated_to_mode): Define it.
3814 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3816 2006-02-28 Jeff Law <law@redhat.com>
3818 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3819 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3820 the range allowed by TYPE_PRECISION.
3822 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3824 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3826 PR tree-optimization/26419
3827 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3830 2006-02-27 Zack Weinberg <zackw@panix.com>
3832 * doc/md.texi: Fix typo in previous change.
3834 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3838 2006-02-27 Zack Weinberg <zackw@panix.com>
3840 * rtl.def (define_constraint, define_register_constraint)
3841 (define_memory_constraint, define_address_constraint): New MD forms.
3842 * gensupport.c (process_rtx): Put define_constraint etc on the
3844 * genpreds.c (process_define_predicate): Adjust comment. Validate
3845 the name, and call validate_exp to validate the expression.
3846 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3847 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3848 all callers changed.
3849 (validate_exp, needs_variable, struct constraint_data)
3850 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3851 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3852 (const_dbl_constraints, constraint_max_namelen)
3853 (have_register_constraints, have_memory_constraints)
3854 (have_address_constraints, have_address_constraints)
3855 (have_extra_constraints, have_const_int_constraints)
3856 (have_const_dbl_constraints, mangle, add_constraint)
3857 (process_define_constraint, process_define_register_constraint)
3858 (write_enum_constraint_num, write_lookup_constraint)
3859 (write_insn_constraint_len, write_regclass_for_constraint)
3860 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3861 (write_insn_extra_memory_constraint)
3862 (write_insn_extra_address_constraint)
3863 (write_satisfies_constraint_fns): New.
3864 (write_tm_preds_h): If we have new-style constraint definitions,
3865 prototype the functions generated from them, and define the
3866 old constraint interface (still used by generic code) in terms of
3868 (write_insn_preds_c): If we have new-style constraint definitions,
3869 generate all relevant functions from those definitions.
3870 (main): Handle define_constraint etc.
3871 * genoutput.c (struct constraint_data, indep_constraints)
3872 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3873 (mdep_constraint_len): New data structures and functions, defined
3874 #ifdef USE_MD_CONSTRAINTS.
3875 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3876 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3877 use new logic to validate operand constraints against constraint
3879 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3881 * defaults.h: If none of the old-style constraint macros are
3882 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3883 old-style macros; and poison REG_CLASS_FROM_LETTER,
3884 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3886 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3887 * doc/md.texi: Document new constraint-definition mechanism and the
3888 C interface it provides. Remove references to old mechanism
3889 elsewhere in the document.
3890 (Machine Constraints): Use pathnames relative to gcc directory,
3891 i.e. config/ARCH/FILE. Change i386 section to refer to
3892 config/i386/predicates.md; update that section to match docstrings.
3893 * doc/tm.texi: Move all documentation of the old constraint-
3894 definition macros to their own section, clearly mark as obsolete.
3896 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3897 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3899 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3900 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3901 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3903 (splits and peepholes): Use satisfies_constraint_*.
3904 * config/i386/i386.c (memory_address_length)
3905 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3907 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3909 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3910 scalar operation to be put back into the loop.
3912 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3915 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3916 (extract_cie_info): Handle S flag in augmentation string.
3917 (execute_cfa_program): If context->signal_frame, execute also
3918 fs->pc == context->ra instructions.
3919 (uw_frame_state_for): If context->signal_frame, don't subtract one
3920 from context->ra to find FDE.
3921 (uw_update_context_1): Set context->signal_frame to
3923 (_Unwind_GetIPInfo): New function.
3924 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3925 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3927 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3928 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3929 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3930 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3931 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3932 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3933 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3934 x86_64_fallback_frame_state): Set fs->signal_frame.
3935 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3936 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3937 (frob_update_context): Likewise. Workaround missing S flag in
3938 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3939 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3940 Remove the psw_addr + 1 hack.
3942 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3944 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3945 with aggregates here.
3946 (find_func_aliases): Remove code for &<aggregate> from here.
3948 2006-02-26 Roger Sayle <roger@eyesopen.com>
3950 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3951 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3952 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3955 2006-02-26 Roger Sayle <roger@eyesopen.com>
3958 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3960 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3962 * opts.c (decode_options): Do not handle flag_strength_reduce.
3963 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3964 and OPT_fstrength_reduce.
3965 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3966 flag_prefetch_loop_arrays for being nonzero.
3967 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3969 (fprefetch-loop-arrays-rtl): Removed.
3970 (flag_prefetch_loop_arrays): Do not specify the value.
3972 * doc/passes.texi: Update documentation of loop optimizer
3974 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3975 -frerun-loop-opt): Remove.
3977 2006-02-26 Richard Guenther <rguenther@suse.de>
3979 PR tree-optimization/26421
3980 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3981 in function calls that are ADDR_EXPRs as using the whole structure.
3983 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3985 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3986 * tree-pass.h (pass_loop_optimize): Remove.
3987 * passes.c (pass_loop_optimize): Never run it.
3988 * toplev.c (backend_init): Don't call init_loop.
3989 * opts.c (flag_loop_optimize_set): Remove.
3990 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3991 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3992 the old RTL loop optimizer when profiling enabled.
3993 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3994 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3995 pre-headers for the sake of the old RTL loop optimizer.
3996 * Makefile.in: Remove all references to loop.o.
3998 * doc/invoke.texi: Remove all references to -floop-optimize
3999 and -frerun-loop-opt.
4001 2006-02-26 Zack Weinberg <zackw@panix.com>
4003 * doc/md.texi (Machine Constraints): Refer to all files with paths
4004 relative to gcc directory (i.e. config/CPU/file). Add missing
4005 @table @code ... @end table to M32C subsection.
4007 2006-02-26 Roger Sayle <roger@eyesopen.com>
4009 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4011 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4013 2006-02-26 Roger Sayle <roger@eyesopen.com>
4014 James A. Morrison <phython@gcc.gnu.org>
4017 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4018 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4019 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4020 signedness of the shift operation.
4022 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4024 PR tree-optimization/26359
4025 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4027 2006-02-25 Roger Sayle <roger@eyesopen.com>
4029 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4030 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4031 as X == 0, and some symmetry related transformations.
4032 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4034 2006-02-25 Roger Sayle <roger@eyesopen.com>
4037 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4038 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4039 symmetry related transformations. Fold (X^C1) == C2 as
4042 2006-02-25 Juergen Weigert <jw@suse.de>
4043 Richard Guenther <rguenther@suse.de>
4045 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4047 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4049 * combine.c (gen_lowpart_or_truncate): Call
4050 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4052 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4054 * doc/invoke.texi: Move -fopenmp description to "Options for
4056 Remove reference to -lgomp.
4058 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4060 * doc/install.texi: Require GNU tar version 1.14.
4062 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4064 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4065 * doc/invoke.texi (C++ Dialect Options): Document
4066 -fno-use-cxa-get-exception-ptr.
4067 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4068 * configure: Regenerate.
4069 * c.opt (fuse-cxa-get-exception-ptr): New.
4070 * c-opts.c (c_common_handle_option): Handle
4071 OPT_fuse_cxa_get_exception_ptr.
4072 * c-common.c (flag_use_cxa_atexit): Update documentation.
4073 (flag_use_cxa_get_exception_ptr): New.
4074 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4075 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4077 (C_COMMON_OVERRIDE_OPTIONS): New.
4079 2006-02-24 Roger Sayle <roger@eyesopen.com>
4082 * combine.c (try_combine): Explicitly check whether GET_CODE is
4083 a SET or a CLOBBER, instead on checking that it isn't a USE.
4085 2006-02-24 Roger Sayle <roger@eyesopen.com>
4087 * fold-const.c (fold_comparison): New subroutine of fold_binary
4088 containing transformations common to both the equality and
4089 ordering relational operators, factored out of fold_binary.
4090 (fold_binary): Separate out the equality operators (EQ_EXPR
4091 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4092 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4093 transformations common to both.
4094 (fold_div_compare): Fix latent bugs in the previously unreachable
4095 LT_EXPR and GE_EXPR cases.
4097 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4099 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4100 decl libname for clog to __clog on AIX.
4102 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4104 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4107 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4108 output traceback table for thunks. Localise rs6000_stack_info call.
4110 2006-02-23 Roger Sayle <roger@eyesopen.com>
4111 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4113 * gthr-posix.h (__gthrw): Fix typo in comment.
4115 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4117 * doc/cpp.texi (Character sets): Document that we do support
4118 input files to be in any character set.
4120 2006-02-23 Jeff Law <law@redhat.com>
4122 * tree.h (PHI_ARG_NONZERO): Remove.
4123 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4124 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4125 node to the new node.
4127 PR tree-optimization/26425
4128 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4129 min/max, then assume its varying.
4131 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4133 PR rtl-optimization/26316
4134 * rtlanal.c (enum may_trap_p_flags): New.
4135 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4136 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4137 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4138 (may_trap_after_code_motion_p): New function.
4139 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4140 (find_invariant_insn): Use may_trap_after_code_motion_p.
4141 * rtl.h (may_trap_after_code_motion_p): Declare.
4143 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4145 * emit-rtl.c (immed_double_const): Cleanup.
4147 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4149 Fix PR tree-optimization/26376
4150 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4153 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4156 * gimplify.c (omp_add_variable): Guard variable size decl test with
4157 DECL_SIZE (decl) check.
4159 2006-02-23 Richard Guenther <rguenther@suse.de>
4162 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4163 like aggregate types.
4165 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4167 * configure.ac: Add --with{,out}-long-double-128 configure option.
4168 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4169 * configure: Rebuilt.
4170 * config.in: Rebuilt.
4171 * doc/install.texi (Options specification): Document
4172 --with-long-double-128.
4174 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4175 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4176 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4177 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4179 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4181 * config/s390/s390.c (override_options): Handle
4182 TARGET_DEFAULT_LONG_DOUBLE_128.
4184 * config/alpha/alpha.c (override_options): Handle
4185 TARGET_DEFAULT_LONG_DOUBLE_128.
4187 * config/sparc/sparc.c (sparc_override_options): Handle
4188 TARGET_DEFAULT_LONG_DOUBLE_128.
4190 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4192 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4193 (real-install-headers-tar, real-install-headers-cpio)
4194 (real-install-headers-cp): New targets.
4196 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4198 * tree.h (variable_section): Delete.
4199 * varasm.c (variable_section): Delete.
4201 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4203 * install.texi: Add notes on install.texi2html.
4204 (Building in parallel): Do not use footnotes.
4206 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4209 * doc/install.texi (Configuration): Document --disable-libgomp.
4211 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4213 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4215 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4217 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4218 (vec_extractv2df_0_sse): New.
4220 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4222 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4223 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4224 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4225 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4226 to the result of the expression.
4227 (def_cfa_1): Adjust.
4228 (frame_pointer_cfa_offset): Rename to...
4229 (frame_pointer_fb_offset): ... this. Adjust all uses.
4230 (convert_cfa_to_loc_list): Rename to...
4231 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4232 Pass it on to build_cfa_loc.
4233 (compute_frame_pointer_to_cfa_displacement): Rename to...
4234 (compute_frame_pointer_to_fb_displacement): ... this. New
4235 offset parameter. Use it in computation.
4236 (gen_subprogram_die): Compute cfa_fb_offset with the new
4237 macro, and use it to compute the fb loc list and the
4240 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4242 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4243 replaced with register_operand.
4244 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4245 non-DREG is expensive.
4246 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4247 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4250 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4252 * doc/install.texi2html: Use set -e.
4254 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4256 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4257 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4258 * doc/invoke.texi (-fshared-data): Delete.
4259 * common.opt (fshared-data): Delete.
4260 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4261 (assemble_static_space): Remove #if 0 code.
4262 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4263 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4264 * config/cris/cris.h: Remove FIXME.
4266 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4268 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4271 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4274 * combine.c (simplify_shift_const_1): Disable nested shifts
4275 optimization for vector shifts.
4277 2006-02-20 Roger Sayle <roger@eyesopen.com>
4279 PR tree-optimization/26361
4280 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4281 of unsigned integer types.
4283 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4285 * tree-chrec.c (eq_evolutions_p): New.
4286 * tree-chrec.h (eq_evolutions_p): Declared.
4287 * tree-data-ref.c: Fix formatting.
4288 (datadep_stats, dependence_stats): New.
4290 (print_direction_vector): New.
4291 (dump_data_dependence_relation): Use print_direction_vector.
4292 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4293 (compute_subscript_distance): Static.
4294 (initialize_data_dependence_relation): Static. Get the number
4295 of loops surrounding the references from the callers, and initialize
4296 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4297 base_object_differ_p analyzers.
4298 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4299 compute_overlap_steps_for_affine_1_2,
4300 analyze_subscript_affine_affine): Count the classified dependences.
4301 Print a message when a test failed.
4302 (can_use_analyze_subscript_affine_affine): New.
4303 (analyze_siv_subscript): Compute the data dependences on symbolic
4304 scevs that verify can_use_analyze_subscript_affine_affine.
4305 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4306 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4307 Handle symbolic scevs.
4308 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4310 (subscript_dependence_tester): Moved...
4311 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4312 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4313 DDR_SIZE_VECT instead of getting it in parameter.
4314 (subscript_dependence_tester): ... here. Take as a parameter
4315 loop_nest_depth. Call build_classic_dist_vector and
4316 build_classic_dir_vector.
4317 (compute_affine_dependence): Update subscript_dependence_tester
4318 parameters. Update datadep_stats counters. Call
4319 compute_subscript_distance.
4320 (compute_self_dependence): Save the dist and dir vectors. Call
4321 compute_subscript_distance.
4322 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4323 (compute_all_dependences): Reorder parameters as they were before
4324 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4325 compute_subscript_distance. Update the use of
4326 compute_affine_dependence and initialize_data_dependence_relation.
4327 (find_data_references_in_loop): Handle COMPONENT_REF.
4328 (compute_data_dependences_for_loop): Initialize dependence_stats.
4329 Don't call build_classic_dist_vector and build_classic_dir_vector.
4330 Update the parameters of initialize_data_dependence_relation and
4331 compute_all_dependences. Print the statistics from datadep_stats.
4332 (analyze_all_data_dependences): Static. Not used until the pass for
4333 checking the data dependences is contributed.
4334 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4335 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4336 (initialize_data_dependence_relation, compute_affine_dependence,
4337 analyze_all_data_dependences, compute_subscript_distance): Removed.
4338 (print_direction_vector): New.
4339 * lambda.h (gcd): ... here.
4340 (lambda_vector_gcd): Moved here from gcd_vector.
4341 * lambda-code.c (gcd, gcd_vector): Removed.
4342 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4343 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4345 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4347 * ipa-type-escape.c: Tidy some comments and white space.
4348 * tree-ssa-operands.c: Likewise.
4350 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4353 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4354 (dump_decl_name): Do not walk the decl tree chains.
4355 * tree-pass.h (TDF_CHAIN): Remove.
4357 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4359 * Makefile.in (C): Remove
4361 (.PHONY): Remove C and PROTO
4363 2006-02-20 Roger Sayle <roger@eyesopen.com>
4366 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4367 deprecated CHAR_TYPE tree code.
4369 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4371 * configure.ac (target_list): Add install-info, dvi, html.
4372 * configure: Regenerate.
4374 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4375 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4376 treelang/Make-lang.in: Do not use double-colon rules.
4378 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4380 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4381 (TMT_USED_ALONE): New macro.
4382 * tree-pass.h (PROP_tmt_usage): New property.
4383 (TODO_update_tmt_usage): New todo.
4384 * tree-ssa-alias.c (updating_used_alone): New variable.
4385 (recalculate_used_alone): New function.
4386 (compute_may_aliases): Set updating_used_alone, call
4387 recalculate_used_alone.
4388 * tree-sra.c (pass_sra): Note that this pass destroys
4389 PROP_tmt_usage, and add TODO_update_tmt_usage.
4390 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4391 * tree-flow.h (updating_used_alone): Prototype.
4392 (recalculate_used_alone): Ditto.
4393 * passes.c (execute_todo): Add code to set updating_used_alone,
4394 and call recalculate.
4395 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4396 for clobber if used alone, and add assert to verify used_alone
4399 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4401 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4402 for non tls symbols added.
4403 (legitimize_address): Do nothing for PLUS expressions if one of the
4404 addends is a tls symbol reference.
4406 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4410 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4412 * Makefile.in (BOOTSTRAPPING): New.
4413 (quickstrap): New definition if BOOTSTRAPPING=yes.
4415 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4416 * configure.ac: Substitute all_selected_languages with the languages
4417 that were configured. For all the other variables except
4418 lang_specs_files, include all the languages in the tree.
4419 * configure: Regenerate.
4421 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
4422 if there is one. Run the commands to run fixincludes in the same
4425 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4426 * doc/install.texi: Document exact conventions for searching target tools.
4427 Document --with-build-time-tools. Document toplevel bootstrap. Document
4428 something more about building an Ada cross-compiler. Don't list GNU Make
4429 requirements which affect all platforms.
4431 2006-02-19 Roger Sayle <roger@eyesopen.com>
4434 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4435 only equivalent if the have both the same mode and precision.
4437 2006-02-20 Ben Elliston <bje@au.ibm.com>
4439 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4441 2006-02-19 Roger Sayle <roger@eyesopen.com>
4442 Steven Bosscher <stevenb.gcc@gmail.com>
4444 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4445 constant pool references to identify stack mode constants.
4446 * rtlanal.c (constant_pool_constant_p): New predicate to check
4447 whether operand is a floating point constant in the pool.
4448 * rtl.h (constant_pool_constant_p): Prototype here.
4449 * loop.c (scan_loop): Avoid hoisting constants from the constant
4450 pool on STACK_REGS targets.
4451 (load_mems): Likewise.
4452 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4453 loads into x87 registers expensive in terms of register pressure.
4455 2006-02-19 Roger Sayle <roger@eyesopen.com>
4457 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4458 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4460 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4462 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4463 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4465 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4467 * doc/invoke.texi: Document -fipa-pta.
4468 * common.opt: Add ipa-pta option.
4469 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4470 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4471 (do_ds_constraint): Ditto.
4472 (get_constraint_for): Only add to referenced_vars if
4473 referenced_vars exists.
4474 (insert_into_field_list): Rewrite to do this unsorted.
4475 (insert_into_field_list_sorted): Rename old insert_into_field_list
4477 (create_function_info_for): Use insert_into_field_list_sorted.
4478 (create_variable_info_for): Rewrite so it uses unsorted version,
4479 since the field list is sorted.
4480 (intra_create_variable_infos): Only add to referenced_vars if
4481 referenced_vars exists.
4482 (ipa_pta_execute): Init heapvars, and delete when done.
4483 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4485 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4487 * doc/install.texi: Add missing `@samp'.
4489 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4491 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4494 2006-02-18 Mark Wielaard <mark@klomp.org>
4496 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4497 who added new 4.1 features, bug fixes and integration support.
4499 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4502 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4505 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4507 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4508 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4509 (copy_insn_1): Likewise. Don't copy each field individually.
4511 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4513 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4514 * rtl.c (rtx_size): Rename variable to...
4515 (rtx_code_size): ...this.
4516 (rtx_size): New function.
4517 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4518 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4520 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4521 * rtl.h (rtx_code_size): New variable.
4522 (rtx_size): Change from a variable to a function.
4523 (RTX_SIZE): Rename to...
4524 (RTX_CODE_SIZE): ...this.
4527 PR tree-optimization/17106
4528 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4529 (Anchored Addresses): New section.
4530 * doc/invoke.texi (-fsection-anchors): Document.
4531 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4532 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4533 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4534 * hooks.c (hook_bool_mode_rtx_false): New function.
4535 * hooks.h (hook_bool_mode_rtx_false): Declare.
4536 * gengtype.c (create_optional_field): New function.
4537 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4538 SYMBOL_REF_IN_BLOCK_P is true.
4539 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4540 (min_anchor_offset, max_anchor_offset): Likewise.
4541 (use_anchors_for_symbol_p): New hook.
4542 * toplev.c (compile_file): Call output_object_blocks.
4543 (target_supports_section_anchors_p): New function.
4544 (process_options): Check that -fsection-anchors is only used on
4545 targets that support it and when -funit-at-a-time is in effect.
4546 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4547 if the decl doesn't have one.
4548 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4549 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4550 of force_const_mem through use_anchored_address.
4551 (expand_expr_constant): New function.
4552 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4553 calling expand_expr for INDIRECT_REF.
4554 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4555 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4556 * expr.h (use_anchored_address): Declare.
4557 * loop-unroll.c: Don't declare rtx vectors here.
4558 * explow.c: Include output.h.
4559 (validize_mem): Call use_anchored_address.
4560 (use_anchored_address): New function.
4561 * common.opt (-fsection-anchors): New switch.
4562 * varasm.c (object_block_htab, anchor_labelno): New variables.
4563 (hash_section, object_block_entry_eq, object_block_entry_hash)
4564 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4565 (use_blocks_for_decl_p, change_symbol_section): New functions.
4566 (get_variable_section): New function, split out from assemble_variable.
4567 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4568 use_blocks_for_decl_p say so. Use change_symbol_section if the
4569 symbol has already been created.
4570 (assemble_variable_contents): New function, split out from...
4571 (assemble_variable): ...here. Don't output any code for
4572 block symbols; just pass them to place_block_symbol.
4573 Use get_variable_section and assemble_variable_contents.
4574 (get_constant_alignment, get_constant_section, get_constant_size): New
4575 functions, split from output_constant_def_contents.
4576 (build_constant_desc): Create a block symbol if use_object_blocks_p
4577 says so. Or into SYMBOL_REF_FLAGS.
4578 (assemble_constant_contents): New function, split from...
4579 (output_constant_def_contents): ...here. Don't output any code
4580 for block symbols; just pass them to place_section_symbol.
4581 Use get_constant_section and get_constant_alignment.
4582 (force_const_mem): Create a block symbol if use_object_blocks_p and
4583 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4584 (output_constant_pool_1): Add an explicit alignment argument.
4585 Don't switch sections here.
4586 (output_constant_pool): Adjust call to output_constant_pool_1.
4587 Switch sections here instead. Don't output anything for block symbols;
4588 just pass them to place_block_symbol.
4589 (init_varasm_once): Initialize object_block_htab.
4590 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4591 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4592 (place_block_symbol, get_section_anchor, output_object_block)
4593 (output_object_block_htab, output_object_blocks): New functions.
4594 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4595 (TARGET_ASM_OUT): Include it.
4596 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4597 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4598 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4599 (TARGET_INITIALIZER): Include them.
4600 * rtl.c (rtl_check_failed_block_symbol): New function.
4601 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4602 (block_symbol, object_block): New structures.
4603 (rtx_def): Add a block_symbol field to the union.
4604 (BLOCK_SYMBOL_CHECK): New macro.
4605 (rtl_check_failed_block_symbol): Declare.
4606 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4607 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4608 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4609 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4610 * output.h (output_section_symbols): Declare.
4611 (object_block): Name structure.
4612 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4613 (default_use_anchors_for_symbol_p): Declare.
4614 * Makefile.in (RTL_BASE_H): Add vec.h.
4615 (explow.o): Depend on output.h.
4616 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4617 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4618 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4619 (rs6000_use_blocks_for_constant_p): New function.
4621 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4623 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4625 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4628 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
4631 2006-02-18 Diego Novillo <dnovillo@redhat.com>
4633 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
4637 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4640 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
4641 instead of DECL_REGISTER.
4643 2006-02-18 Olivier Hainque <hainque@adacore.com>
4646 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4648 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4651 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4652 * opth-gen.awk: Handle Var and InverseMask together.
4653 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4654 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4655 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4656 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4658 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4659 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4660 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4661 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4662 LINUX_DYNAMIC_LINKER): Define.
4663 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4664 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4666 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4667 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4668 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4669 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4670 (TARGET_C99_FUNCTIONS): Don't define.
4671 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4672 GLIBC_DYNAMIC_LINKER.
4673 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4674 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4675 GLIBC_DYNAMIC_LINKER64): Define.
4676 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4677 LINUX_DYNAMIC_LINKER64.
4678 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4679 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4680 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4681 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4682 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4683 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4684 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4685 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4686 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4687 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4688 and LINUX_DYNAMIC_LINKER32.
4689 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4690 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4691 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4692 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4693 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4695 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4696 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4697 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4698 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4699 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4700 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4701 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4702 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4703 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4704 LINUX_DYNAMIC_LINKER): Define.
4705 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4706 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4707 GLIBC_DYNAMIC_LINKER64): Define.
4708 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4709 LINUX_DYNAMIC_LINKER64.
4710 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4711 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4712 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4713 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4714 LINUX_DYNAMIC_LINKER): Define.
4715 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4716 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4717 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4718 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4719 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4720 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4721 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4722 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4723 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4724 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4725 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4726 * doc/invoke.texi (-muclibc): Remove caveat about supported
4729 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4731 * doc/cpp.texi (__TIMESTAMP__): Document.
4733 2006-02-17 Roger Sayle <roger@eyesopen.com>
4736 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4737 C is one less than the width of X (and related transformations).
4738 * simplify-rtx.c (simplify_unary_operation_1): Transform
4739 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4740 depending on STORE_FLAG_VALUE, were C is one less then the
4743 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4745 Fix PR tree-optimization/26341
4746 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4747 about NAME_MEMORY_TAG's.
4749 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4752 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4753 with hardware float support, and software float support. Add fcpy
4754 alternative to hardware patterns. Add alternatives to copy between
4755 general and floating-point registers to the 32-bit pattern.
4756 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4757 secondary reload to load a QI or HI mode constant into a floating
4759 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4760 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4762 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4765 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4767 (load_macho_picbase_di): Likewise.
4769 2006-02-16 Jeff Law <law@redhat.com>
4771 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4772 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4773 (ssa_name_nonzero_p): Likewise.
4774 (get_value_range): Return NULL if VRP is not running.
4775 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4776 VRP routines do not discover a range.
4777 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4778 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4779 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4780 (tree_expr_nonnegative_p): Similarly.
4781 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4782 (restore_nonzero_vars_to_original_value): Remove.
4783 (unsafe_associative_fp_binop): Remove.
4784 (tree_ssa_dominator_optimize): Remove initialization and
4785 finalization of nonzero_vars and nonzero_vars_stack.
4786 (dom_opt_initialize_block): No longer push marker on
4788 (dom_opt_finalize_block): No longer call
4789 restore_nonzero_vars_to_original_value.
4790 (record_equivalences_from_phis): No longer look for
4791 nonzero PHI arguments.
4792 (cprop_into_successor_phis): No longer propagate nonzero
4793 property into PHI arguments. Lose unused argument. Caller
4795 (record_equivalences_from_stmt): No longer record nonzero
4796 values for SSA_NAMEs.
4797 (lookup_avail_expr): No longer use nonzero_vars.
4799 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4800 for sizetype when sizetype is unsigned.
4802 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4804 PR rtl-optimization/25603
4805 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4806 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4807 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4808 with new meaning of SETS.
4810 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4815 * config/linux.opt: New file.
4816 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4817 LINUX_DYNAMIC_LINKER): Define.
4818 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4819 * config.gcc (*-*-linux*): Define extra_options.
4820 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4821 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4822 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4823 GLIBC_DYNAMIC_LINKER.
4824 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4825 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4826 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4827 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4828 * doc/invoke.texi (GNU/Linux Options): New section.
4830 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4832 * config/sparc/sparc.md (setjmp): Rewrite.
4833 (setjmp_32): Delete.
4834 (setjmp_64): Likewise.
4836 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4838 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4841 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4843 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4846 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4848 PR rtl-optimization/26296
4849 * Makefile.in (loop-invariant.c): Add except.h dependency.
4850 * loop-invariant.c: Include except.h.
4851 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4853 2005-02-16 Paul Brook <paul@codesourcery.com>
4855 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4858 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4860 PR rtl-optimization/25636
4861 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4862 when deciding whether an insn is an initializing insn.
4864 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4866 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4867 (tree_code_size): Ditto.
4868 * tree.h (struct tree_memory_tag): Remove parent_var.
4869 (struct tree_struct_field_tag): New.
4872 (union tree_node): Add sft member.
4873 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4875 (create_sft): Add size and offset argument, set SFT_OFFSET and
4877 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4878 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4879 * tree-flow-inline.h (get_subvar_at): Update for
4880 SFT_OFFSET/SFT_SIZE.
4881 (var_can_have_subvars): Ditto.
4882 (overlap_subvar): Ditto.
4883 * print-tree.c (print_node): Print out interesting things for
4885 * tree-flow.h (struct subvar): Remove offset and size members.
4886 * tree-ssa-operands.c (get_expr_operands): Update for
4887 get_indirect_ref_operands changes.
4888 (get_indirect_ref_operands): Call add_virtual_operand instead of
4889 add_stmt_operand. Only recurse on base var if requested.
4890 (access_can_touch_variable): New function.
4891 (add_stmt_operand): Split virtual operand handling into ...
4892 (add_virtual_operand): Here. Add offset, size, and for_clobber
4893 arguments. Prune alias sets.
4894 (add_call_clobber_ops): Call add_virtual_operand.
4896 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4899 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4901 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4902 than TREE_CODE as index into omp_clause_num_ops array.
4904 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4906 PR rtl-optimization/26184
4907 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4909 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4910 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4911 must_precede, must_follow and tobe_scheduled.
4914 * opts.c (common_handle_option): Free new_option pointer.
4915 * df-core.c (df_analyze): Free postorder pointer.
4917 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4919 * Makefile.in: Fix the examples about the use of stamps
4921 2006-02-15 Michael Matz <matz@suse.de>
4925 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4926 influenced by maximum_field_alignment or DECL_PACKED.
4927 (update_alignment_for_field): Ditto.
4928 (place_field): Ditto.
4929 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4932 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4934 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4935 (debug_flow_info): Pass it.
4936 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4937 * bb-reorder.c (reorder_basic_blocks): Likewise.
4938 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4939 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4940 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4941 * gcse.c (gcse_main, bypass_jumps): Likewise.
4942 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4943 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4944 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4945 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4946 * rtl.h (dump_flow_info): Adjust prototype.
4947 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4948 * var-tracking.c (variable_tracking_main): Likewise.
4949 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4950 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4953 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4955 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4958 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4960 PR tree-optimization/26209
4961 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4962 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4964 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4966 2006-02-14 Roger Sayle <roger@eyesopen.com>
4969 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4970 (X,Y) and the corresponding symmetry related transformations.
4971 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4972 (X,Y) and its symmetry related transformations.
4974 2006-02-14 Roger Sayle <roger@eyesopen.com>
4976 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4979 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4981 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4983 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4986 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4987 support COMDAT group.
4988 * configure: Regenerate.
4990 2006-02-14 Roger Sayle <roger@eyesopen.com>
4995 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4997 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4999 Fix PR tree-optimization/26260
5001 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5003 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5004 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5005 * tree-ssa-structalias.c (create_variable_info_for): Use
5006 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5008 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5010 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5012 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5013 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5014 of the ending condition.
5015 * tree-ssa-loop-manip.c: Include params.h.
5016 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5017 tree_unroll_loop): New functions.
5018 * tree-pass.h (pass_loop_prefetch): Declare.
5019 * loop.c (rest_of_handle_loop_optimize): Test for
5020 -fprefetch-loop-arrays-rtl.
5021 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5022 * timevar.def (TV_TREE_PREFETCH): New timevar.
5023 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5024 pass_loop_prefetch): New.
5025 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5026 (cleanup_tree_cfg_loop): Call scev_reset.
5027 * common.opt (fprefetch-loop-arrays-rtl): Add.
5028 * tree-ssa-loop-prefetch.c: New file.
5029 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5030 (new_temp_expr_table): Initialize expr_vars.
5031 (free_temp_expr_table): Cleanup expr_vars.
5032 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5033 expressions from being merged into one.
5034 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5035 (struct tree_niter_desc): Add control, bound and cmp fields.
5036 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5038 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5039 (tree-cfgcleanup.o): Add SCEV_H dependency.
5040 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5041 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5043 2006-02-14 Richard Guenther <rguenther@suse.de>
5045 PR tree-optimization/26258
5046 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5047 in PHI argument processing.
5049 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5051 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5052 new expression in the requested machine mode.
5054 2006-02-13 Roger Sayle <roger@eyesopen.com>
5056 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5057 directly, instead let do_compare_rtx_and_jump handle this for us.
5058 * expr.c (expand_expr_real_1): Likewise.
5059 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5060 before do_jump_by_parts_greater.
5061 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5062 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5064 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5066 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5068 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5070 PR rtl-optimization/26235
5071 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5072 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5075 2006-02-13 Jeff Law <law@redhat.com>
5077 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5080 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5083 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5084 twice if decl is a builtin. When trying again, call get_callee_fndecl
5085 first to verify it is still a builtin.
5087 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5089 * dwarf2out.c (base_type_die): Don't add AT_name here.
5090 (subrange_type_die): Don't add AT_name here.
5091 (modified_type_die): Rearrange code flow. Do add AT_name here.
5093 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5095 PR rtl-optimization/26247
5096 PR rtl-optimization/26248
5097 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5099 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5101 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5102 * config/fixtfdi.c: Likewise.
5103 * config/fixunstfdi.c: Likewise.
5104 * config/floatditf.c: Likewise.
5106 2006-02-13 Roger Sayle <roger@eyesopen.com>
5109 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5110 into (X,C2) if C1 is a subset of the bits of C2. Transform
5111 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5113 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5115 2006-02-13 Josh Conner <jconner@apple.com>
5118 * varasm.c (function_section): Check for section name before
5119 calling select_section on targets that define
5120 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5121 unlikely_text_section instead of hot_function_section if
5122 first_function_block_is_cold.
5124 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5127 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5129 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5131 PR rtl-optimization/26222
5132 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5133 after tree->rtl expansion.
5134 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5135 before passing it to emit_move_insn.
5137 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5139 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5141 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5142 Clarify documentation.
5143 * c-common.h (warn_write_strings): Remove.
5144 * c-common.c (warn_write_strings): Likewise.
5145 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5148 2006-02-12 Roger Sayle <roger@eyesopen.com>
5151 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5152 (do_jump_parts_zero_rtx): New function renamed from
5153 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5154 (do_jump_parts_equality_rtx): New function split out from
5155 do_jump_parts_equality. Old implementation renamed as above.
5156 Call do_jump_parts_zero_rtx if either operand is zero.
5157 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5158 do all of the heavy lifting.
5159 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5160 calling either do_jump_by_parts_greater_rtx or
5161 do_jump_by_parts_equality_rtx.
5162 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5163 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5164 moved to do_compare_rtx_and_jump, call it directly.
5165 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5166 mode argument. Call do_compare_rtx_and_jump.
5167 (emit_case_nodes): Update calls to do_jump_if_equal.
5169 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5171 PR rtl-optimization/26225
5172 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5174 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5176 PR rtl-optimization/26232
5177 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5179 2006-02-11 Jason Merrill <jason@redhat.com>
5182 * tree-inline.c (declare_return_variable): Just don't use the
5183 modify target if it's a gimple complex reg and the return slot
5186 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5188 * doc/contrib.texi: Update my entry.
5190 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5192 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5194 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5196 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5199 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5201 * doc/invoke.texi (-floop-optimize2): Removed.
5202 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5203 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5204 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5205 * common.opt (floop-optimize2): Removed.
5206 (fmove-loop-invariants): Enabled by default.
5208 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5210 * tree-if-conv.c (combine_blocks): Free the result of
5211 get_loop_exit_edges.
5213 2006-02-10 Jeff Law <law@redhat.com>
5215 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5217 PR tree-optimization/26213
5218 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5219 loop trying to follow SSA_NAME_VALUE chains.
5221 2006-02-10 Richard Guenther <rguenther@suse.de>
5223 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5224 deal with structures that end in implicitly variable sized arrays.
5226 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5228 PR rtl-optimization/24762
5229 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5232 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5234 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5235 (struct ivopts_data): Add regs_used field.
5236 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5237 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5238 instead of loop_data->regs_used;
5239 (free_loop_data): Do not free aux fields for loops.
5240 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5241 and tree_ssa_iv_optimize_finalize.
5243 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5245 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5247 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5250 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5251 computing the effective result type.
5253 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5256 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5257 (tree_overlaps_hard_reg_set): Declare.
5258 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5259 type and signature to match function type expected by walk_tree.
5260 (tree_overlaps_hard_reg_set): New function.
5261 (decl_conflicts_with_clobbers_p): Rename to:
5262 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5263 Use tree_overlaps_hard_reg_set. Changed caller.
5264 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5265 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5266 * cris.c (cris_md_asm_clobbers): Likewise.
5268 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5270 * reload1.c (emit_input_reload_insns): Delete code that tries to
5271 inherit using find_equiv_reg.
5273 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5275 * c-common.h (flag_const_strings): Don't declare.
5276 * c-common.c (flag_const_strings): Remove.
5277 * c.opt (fconst_strings): Remove.
5278 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5279 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5280 (c_common_init_options): Don't set flag_const_strings.
5281 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5283 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5285 * arm.md (tlobits_cbranch): New pattern.
5286 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5287 testing a single bit.
5289 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5292 * tree-ssa-pre.c (create_component_ref_by_pieces):
5293 Handle RETURN_DECL like VAR_DECL.
5295 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5298 * fold-const.c (fold_indirect_ref_1): Fold
5299 "*(foo *)&complexfoo" to "__real__ complexfoo"
5300 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5302 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5304 * tree-flow-inline.h (var_can_have_subvars):
5305 Volatile variables should not have subvariables.
5307 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5310 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5311 multiplying unsigned values.
5314 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5316 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5318 2006-02-08 Jason Merrill <jason@redhat.com>
5321 * tree.def: Elaborate on difference from MODIFY_EXPR.
5322 * doc/c-tree.texi (INIT_EXPR): Likewise.
5323 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5324 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5325 (gimplify_target_expr): Likewise.
5326 (gimplify_cond_expr): Remove target handling.
5327 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5328 (gimplify_expr): Clobber it here.
5329 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5330 Do return slot optimization if we have an INIT_EXPR.
5333 * tree-inline.c (declare_return_variable): Also clear
5334 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5337 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5340 * gimplify.c (gimplify_one_sizepos): Fix typo.
5342 2006-02-08 Jeff Law <law@redhat.com>
5344 PR tree-optimization/21417
5345 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5346 across a backedge if the control statement at the end of the
5347 block is data dependent on other statements in the same block.
5348 (record_temporary_equivalences_from_stmts): Remove over-conservative
5349 test for threading across backedges.
5351 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5352 control statement, handle all three special cases in the same
5353 manner as they all have the same desired solution. No longer
5354 special case edge flag updating when the post dominator is
5357 2006-02-08 Roger Sayle <roger@eyesopen.com>
5359 * tree.def (CHAR_TYPE): Remove.
5360 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5361 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5362 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5363 (gen_string_type_die): Delete unreachable function.
5365 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5366 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5367 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5368 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5369 * builtins.c (type_to_class): Likewise.
5370 * fold-const.c (fold_convert, build_range_check,
5371 merge_ranges): Likewise.
5372 * expr.c (count_type_elements): Likewise.
5373 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5374 * stor-layout.c (layout_type): Likewise.
5375 * ipa-type-escape.c (type_to_consider): Likewise.
5376 * gimplify.c (omp_firstprivatize_type_sizes,
5377 gimplify_type_sizes): Likewise.
5378 * explow.c (promote_mode): Likewise.
5379 * tree-sra.c (is_sra_scalar_type): Likewise.
5380 * varasm.c (output_constant): Likewise.
5381 * tree-inline.c (remap_type_1): Likewise.
5382 * convert.c (convert_to_pointer, convert_to_real,
5383 convert_to_integer, convert_to_complex): Likewise.
5385 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5387 * df-scan.c (df_def_record_1): A set destination may
5388 be a parallel regardless of mode.
5390 2006-02-08 Roger Sayle <roger@eyesopen.com>
5393 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5394 * config/mips/_tilib.c: Remove.
5395 * config/fixtfdi.c: New libgcc source file.
5396 * config/fixunstfdi.c: New source file.
5397 * config/floatditf.c: New source file.
5398 * config/floatunditf.c: New souce file.
5399 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5400 files above instead of config/mips/_tilib.c.
5401 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5403 2006-02-08 Jeff Law <law@redhat.com>
5405 PR tree-optimization/26169
5406 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5409 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5411 * df.h (DF_REG_SIZE): Return the length of the initialized
5414 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5416 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5417 __muldf3): Return a correctly signed zero.
5419 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5421 * passes.c (register_one_dump_file): Accept the current properties
5422 instead of pass number. Adjust call to dump_register. Remove
5424 (register_dump_files): Now a wrapper around...
5425 (register_dump_files_1): ... this one. Do not modify the pass
5427 (next_pass_1): Cosmetic fix.
5428 (execute_todo): Keep second parameter only. Use curr_properties
5429 instead of fetching it from the pass structure. Check and set
5431 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5432 instead of fetching it from the pass structure. Fix calls to
5433 execute_todo. Update curr_properties and initialize .vcg RTL dump
5434 after running the pass. Reset last_verified.
5435 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5437 (FIRST_AUTO_NUMBERED_DUMP): New.
5438 (dump_register): Remove "num" parameter, assign it within the
5440 (get_dump_file_name): Modify template for dumps.
5441 * tree-dump.h (dump_register): Adjust prototype.
5442 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5443 (PROP_trees): Add PROP_gimple_lomp.
5444 (TODO_set_props): New.
5445 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5446 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5447 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5449 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5451 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5452 (sparc64-*-linux*): Likewise.
5453 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5454 * config/sparc/t-linux: New file.
5455 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5456 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5457 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5458 -m32 -mlong-double-128.
5460 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5461 * config/alpha/t-linux: New file.
5462 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5464 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5465 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5466 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5467 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5468 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5469 (CPP_ARCH32_SPEC): Remove.
5471 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5473 PR tree-optimization/26145
5474 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5477 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5480 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5481 >= 240000 when generating code for SOM runtime.
5482 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5483 to $$dyncall when generating code for SOM runtime..
5485 2006-02-07 Dirk Mueller <dmueller@suse.com>
5488 * doc/invoke.texi (-Wsequence-point): Update documentation
5489 that -Wsequence-point is implemented for C++ as well.
5491 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5493 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5494 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5495 (LIB_SPEC): Likewise.
5496 * doc/invoke.texi (SPARC options): Document -pthread.
5498 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5500 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5503 2006-02-07 Roger Sayle <roger@eyesopen.com>
5505 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5506 Correct comment describing BOOLEAN_TYPE.
5508 2006-02-07 Dirk Mueller <dmueller@suse.com>
5510 * c.opt: C++ frontend supports -Wdiv-by-zero.
5511 * c-opts.c (c_common_handle_option): Remove dead case.
5513 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5515 * configure.ac (TLS assembler check): Do not enable TLS by
5516 default on SPARC/Solaris before version 10.
5517 * configure: Regenerate.
5519 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5521 * doc/invoke.texi (xl-compat): Document conversion and support
5524 2006-02-07 Jeff Law <law@redhat.com>
5526 * tree-vrp.c (find_conditional_asserts): Update comments.
5527 (simplify_stmt_for_jump_threading): New.
5528 (identify_jump_threads, finalize_jump_threads): New.
5529 (vrp_finalize): Call identify_jump_threads.
5530 (execute_vrp): Call finalize_jump_threads.
5531 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5532 (vrp_element, vrp_data, vrp_element_p): Remove.
5533 (vrp_hash_elt, vrp_variables_stack): Remove.
5534 (vrp_hash, vrp_eq, record_range): Remove.
5535 (simplify_cond_and_lookup_avail_expr): Remove.
5536 (extract_range_from_cond): Remove.
5537 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5538 (simplify_stmt_for_jump_threading): New.
5539 (dom_thread_across_edge): New wrapper.
5540 (tree_ssa_dominator_optimize): No longer initialize or
5541 finalize any of the VRP datastructures. Remove iteration
5542 step and simplify as a result of removal of iteration step.
5543 (pass_dominator): Perform a cfg cleanup after DOM.
5544 (dom_opt_finalize_block): Use the new common routines
5545 for threading jumps. Simplify stack management slightly.
5546 No longer need to unwind VRP state.
5547 (record_equivalences_from_incoming_edge): No longer record
5549 (eliminate_redundant_computations): No longer call
5550 simplify_cond_and_lookup_avail_expr.
5551 * tree-flow.h (potentially_threadable_block): Prototype.
5552 (thread_across_edge): Likewise.
5553 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5554 (tree-ssa-threadedge.o): Add dependencies.
5555 * tree-ssa-threadedge.c: New file.
5556 * passes.c (init_optimization_passes): Merge PHIs before
5557 calling VRP. Run VRP again late in the SSA optimization pipeline.
5559 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5561 * df-core.c (df_set_blocks): Do not dereference function pointers.
5562 (df_finish1): Likewise.
5563 (df_hybrid_search_forward): Likewise.
5564 (df_hybrid_search_backward): Likewise.
5565 (df_iterative_dataflow): Likewise.
5566 (df_analyze_problem): Likewise.
5567 (df_compact_blocks): Likewise.
5568 (df_dump): Likewise.
5569 * df-scan.c (df_rescan_blocks): Likewise.
5570 (df_record_entry_block_defs): Likewise.
5572 * genconditions.c (write_conditions): Guard the definition of
5573 'insn_conditions' with the check on GCC version.
5574 (write_writer): Guard the traversal 'insn_conditions' with
5575 the check on GCC version.
5577 2006-02-07 Richard Guenther <rguenther@suse.de>
5581 2006-01-30 Richard Guenther <rguenther@suse.de>
5583 * gimplify.c (gimplify_target_expr): Handle easy cases
5584 without creating a temporary.
5586 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5588 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5589 use of float in probability computations. Use edge probabilities
5590 in place of statically computed probabilities.
5591 (min_spec_prob): New static variable.
5592 (schedule_insns): Initialize it.
5593 (GET_SRC_PROB): Removed.
5594 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5596 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5599 * config/ia64/unwind-ia64.c: Revert last change.
5600 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5601 (INCOMING_FRAME_SP_OFFSET): Define.
5603 2006-02-06 Roger Sayle <roger@eyesopen.com>
5605 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5607 2006-02-07 Ben Elliston <bje@au.ibm.com>
5609 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5610 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5611 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5612 (ix86_return_in_memory): Handle TDmode.
5613 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5614 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5616 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5618 * reorg.c (dbr_schedule): Use dump_file instead of file.
5620 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5623 * config/ia64/predicates.md (extr_len_operand): New predicate.
5624 * config/ia64/ia64.md (extv): Tighten constraints.
5626 (*tbit_and_2): Ditto.
5627 (*tbit_and_3): Ditto.
5628 (*tbit_or_2): Ditto.
5629 (*tbit_or_3): Ditto.
5633 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
5636 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
5638 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5640 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
5641 loop_optimizer_init and loop_optimizer_finalize
5642 * tree-ssa-sink.c (execute_sink_code): Ditto.
5643 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5644 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5645 tree_ssa_loop_done): Ditto.
5646 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5647 * sched-ebb.c: Include output.h.
5648 (schedule_ebbs): Do not use dump argument.
5649 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5650 * loop.c (loop_dump_stream): Removed.
5651 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5653 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5654 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5655 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5656 loop_iterations, strength_reduce, record_biv, record_giv,
5657 final_giv_value, check_final_value, check_ext_dependent_givs,
5658 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5659 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5660 dump_file instead of loop_dump_stream.
5661 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5663 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5665 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5666 * haifa-sched.c: Include output.h
5667 (schedule_insns, sched_init): Do not use dump argument.
5668 * mode-switching.c (optimize_mode_switching): Ditto.
5669 * modulo-sched.c (stats_file): Removed.
5670 (print_node_sched_params): Do not call argument dump_file.
5671 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5672 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5674 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5676 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5677 rtl_loop_init, rtl_loop_done): Ditto.
5678 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5679 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5681 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5682 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5683 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5684 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5685 * emit-rtl.c (renumber_insns): Ditto.
5686 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5687 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5688 * regclass.c (regclass): Ditto.
5689 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5690 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5691 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5692 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5694 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5695 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5697 * gcse.c (gcse_file, debug_stderr): Removed.
5698 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5699 rest_of_handle_gcse): Do not use dump argument.
5700 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5701 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5702 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5703 compute_code_hoist_vbeinout, compute_code_hoist_data,
5704 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5705 compute_store_table, build_store_vectors, insert_insn_start_bb,
5706 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5707 store_motion): Use dump_file instead of gcse_file.
5708 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5709 * profile.c (profile_dump_file): Removed.
5710 (branch_prob): Use dump_file instead of profile_dump_file.
5711 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5713 * tree-ssa-copy.c (dump_copy_of): Ditto.
5714 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5715 dump file to life_analysis.
5716 * bt-load.c (branch_target_load_optimize): Ditto.
5717 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5719 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5720 regclass, dbr_schedule): Declaration changed.
5721 * sched-int.h (sched_init): Declaration changed.
5722 * tree-profile.c (tree_profile_dump_file): Removed.
5723 (tree_profile_hooks): Removed profile_dump_file hook.
5724 * rtl-profile (rtl_profile_dump_file): Removed.
5725 (rtl_profile_hooks): emoved profile_dump_file hook.
5726 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5728 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5729 * tree-cfg.c (build_tree_cfg): Ditto.
5730 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5731 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5732 Declaration changed.
5733 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5734 life_analysis and schedule_insns.
5735 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5737 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5739 * config/mips/mips.c (mips_reorg): Ditto.
5740 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5743 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5745 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5746 (s390_mangle_fundamental_type): New.
5747 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5750 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5751 (alpha_mangle_fundamental_type): New.
5752 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5755 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5757 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5759 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5760 (sparc_mangle_fundamental_type): New.
5762 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5764 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5765 (s390x-*-linux*): Likewise.
5766 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5767 * config/s390/t-linux: New file.
5769 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5771 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5772 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5774 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5776 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5777 (ANTIC_SAFE_LOADS): New macro.
5778 (find_or_generate_expression): Add prototype.
5779 (set_contains_value): Allow null set for sake of not always having
5780 to allocate ANTIC_SAFE_LOADS.
5781 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5782 Allow COMPONENT_REF too.
5783 (valid_in_set): Allow COMPONENT_REF.
5784 Check ANTIC_SAFE_LOADS too.
5785 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5786 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5788 (can_PRE_operation): Add COMPONENT_REF.
5789 (create_component_ref_by_pieces): New function.
5790 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5791 (insert_aux): Move AGGREGATE_TYPE_P check here.
5792 (compute_avail): Set bb local stmt uids.
5793 (pass_pre): Use TODO_update_ssa_only_virtuals.
5795 2006-02-06 Ben Elliston <bje@au.ibm.com>
5797 * configure.ac: Unconditionally disable decimal float by default.
5798 * configure: Regenerate.
5800 2006-02-06 Ben Elliston <bje@au.ibm.com>
5802 * read-rtl.c (read_name): Terminate reading on EOF.
5804 2006-02-06 Ben Elliston <bje@au.ibm.com>
5806 * dfp.c (decimal_real_arithmetic): Change second argument type
5807 from int to enum tree_code. Do not always return true, but now
5808 return result of any call to decimal_do helper functions.
5809 * dfp.h (decimal_real_arithmetic): Update prototype.
5811 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5813 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5815 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5818 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5821 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5823 * tree-vrp.c (cfg_loops): Removed.
5824 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5825 Use current_loops instead of cfg_loops. Pass flags to
5826 loop_optimizer_init.
5827 * cfgloopmanip.c (fix_loop_structure): Update only available
5829 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5830 loop_optimizer_init.
5831 * modulo-sched.c (build_loops_structure): Removed.
5832 (sms_schedule): Use loop_optimizer_init.
5833 * loop-init.c (loop_optimizer_init): Use flags to determine
5834 which properties of loops to prepare.
5835 (rtl_loop_init): Pass flags to loop_optimizer_init.
5836 * tree-ssa-sink.c (execute_sink_code): Ditto.
5837 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5838 * tree-ssa-pre.c (init_pre): Ditto.
5839 * cfgloop.h (LOOPS_NORMAL): New.
5840 (loop_optimizer_init): Declaration changed.
5842 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5844 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5845 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5847 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5849 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5851 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5852 * pa/t-pa64: Delete quadlib.c rule.
5853 * pa/x-ada: Revert last change.
5854 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5856 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5858 PR rtl-optimization/26087
5859 * rtlanal.c (canonicalize_condition): Do not cross basic block
5862 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5865 * config/ia64/ia64.c: Include debug.h.
5866 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5867 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5868 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5869 (process_epilogue, process_set, process_for_unwind_directive):
5870 Output unwind info only if requested. Add CFA info if requested.
5871 Add new arguments as needed. Adjust callers.
5872 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5874 (DWARF2_FRAME_INFO): Define to zero.
5875 * config/ia64/unwind-ia64.c: Remove code that compensated for
5876 the CFA offset error fixed above.
5877 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5878 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5879 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5880 -funwind-tables and -fexceptions to enable frame info.
5881 (dwarf2out_frame_init): Define initial CFA even if
5882 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5883 DWARF2_UNWIND_INFO is nonzero, not just defined.
5884 (dwarf2out_frame_finish): Output non-EH call frame info only
5885 if DWARF2_FRAME_INFO is nonzero.
5886 (convert_cfa_to_loc_list,
5887 compute_frame_pointer_to_cfa_displacement): Define even if
5888 unwind info is not supported.
5889 (gen_subprogram_die): Use the above unconditionally. Remove
5890 legacy alternate code.
5891 * toplev.c (compile_file): Compile in call to
5892 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5893 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5895 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5896 Jakub Jelinek <jakub@redhat.com>
5898 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5899 IBM extended float format long double as "g" on powerpc*-linux.
5901 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5904 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5905 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5907 2006-02-03 Jason Merrill <jason@redhat.com>
5910 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5913 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5914 on the return slot if it's an NRV.
5916 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5918 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5919 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5920 rewrite_use): Do not handle USE_OUTER.
5921 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5922 add_iv_outer_candidates, may_replace_final_value,
5923 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5924 (find_interesting_uses_op): Functionality of
5925 find_interesting_uses_outer_or_nonlin moved here.
5926 (find_interesting_uses_outside): Use find_interesting_uses_op.
5928 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5931 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5933 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5934 Ulrich Weigand <uweigand@de.ibm.com>
5937 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5938 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5939 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5940 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5942 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5943 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5944 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5945 Define secondary reloads for TFmode moves.
5946 (constant_modes): Add TFmode.
5947 (NR_C_MODES): Set to 8.
5948 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5950 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5951 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5952 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5953 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5954 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5955 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5956 (FPR mode macro): Add TFmode.
5957 (DSF mode macro): New.
5958 (<de>, <dee> mode attributes): Removed.
5959 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5960 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5961 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5962 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5963 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5964 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5965 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5966 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5967 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5968 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5969 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5970 "*negabs<mode>2", "sqrt<mode>2"):
5971 Changed <de> to <xde>. R constraint replaced by <Rf>.
5972 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5974 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5975 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5976 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5978 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5979 "extenddftf2", "extendsftf2"): New expanders.
5980 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5981 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5982 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5983 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5985 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5986 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5987 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5988 __floatditf): Add a GCC_4.1.0 symbol version tag.
5989 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5992 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5995 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5996 Use targetm.binds_local_p instead of TREE_PUBLIC.
5998 2006-02-02 Roger Sayle <roger@eyesopen.com>
6000 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6001 on INTEGER_TYPEs to indicate that it denotes a character type.
6002 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6003 signed_char_type_node, unsigned_char_type_node and char_type_node.
6004 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6005 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6006 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6008 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6009 Daniel Berlin <dberlin@dberlin.org>
6011 * tree-tailcall.c (arg_needs_copy_p): New function.
6012 (eliminate_tail_call): Use arg_needs_copy_p.
6013 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6014 (add_virtual_phis): New function.
6016 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6018 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6019 #ignore instead of #scratch for %g7 .register directive.
6021 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6023 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6026 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6028 * flow.c (calculate_global_regs_live): Assert that there aren't any
6031 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6033 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6035 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6036 bsi_after_labels iterator.
6037 * tree-if-conv.c (find_phi_replacement_condition,
6038 replace_phi_with_cond_modify_expr): Likewise.
6039 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6040 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6042 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6044 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6046 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6049 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6050 array after growing it.
6052 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6055 * fold-const.c (fold_checksum_tree): Change type of buf.
6057 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6059 * reload.c (push_secondary_reload): Initialize t_icode.
6061 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6063 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6064 -msoft-float -mlong-double-128 only issue a warning, but don't
6065 swich to DFmode long double.
6067 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6069 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6070 has a constant equivalent, iterate over equivalents for arg0,
6071 calling simplify_relational_operation and if there's a result
6072 cheaper than X, apply fold_rtx and return the result.
6074 2006-02-01 Jan Hubicka <jh@suse.cz>
6076 * opts.c (no_unit_at_a_time_default): New global variable.
6077 (decode_options): Use it.
6078 * opts.h (no_unit_at_a_time_default): Declare.
6080 2006-02-01 Paul Brook <paul@codesourcery.com>
6082 * function.c (assign_parm_setup_reg): Use function argument promotion
6084 * expr.c (expand_expr_real_1): Use function argument promotion rules
6087 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6089 * gcc.c (process_command): Change j to 'unsigned int'.
6091 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6094 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6095 Use the corrected index for the character
6096 out of the string constant.
6098 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6100 * mode-switching.c (optimize_mode_switching): Fix size
6101 allocated for bb_info[n_entities].
6103 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6105 * gcc.c (main): Correct type that is allocated for
6106 explicit_link_files.
6108 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6110 * config/s390/s390.c (init_alignment_context): Set
6111 ALIAS_SET_MEMORY_BARRIER on the MEM.
6112 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6114 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6117 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6119 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6122 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6124 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6125 * regrename.c: Ditto.
6126 * tree-ssa-loop-im.c: Ditto.
6127 * tree-dump.c: Ditto.
6128 * tree-complex.c: Ditto.
6129 * genrecog.c: Ditto.
6130 * tree-ssa-threadupdate.c: Ditto.
6132 * java/class.c: Ditto.
6133 * java/jcf-parse.c: Ditto.
6134 * java/resource.c: Ditto.
6135 * java/except.c: Ditto.
6136 * java/jvspec.c: Ditto.
6137 * java/jcf-write.c: Ditto.
6138 * java/jcf-path.c: Ditto.
6139 * java/gjavah.c: Ditto.
6140 * java/zextract.c: Ditto.
6141 * java/jcf-io.c: Ditto.
6142 * java/jcf.h: Ditto.
6143 * java/buffer.c: Ditto.
6144 * java/lang.c: Ditto.
6145 * java/parse-scan.y: Ditto.
6146 * java/lex.c: Ditto.
6147 * java/lex.h: Ditto.
6148 * cfgloopmanip.c: Ditto.
6149 * postreload-gcse.c: Ditto.
6150 * tree-ssa-loop-manip.c: Ditto.
6151 * postreload.c: Ditto.
6152 * tree-ssa-loop-ch.c: Ditto.
6156 * diagnostic.c: Ditto.
6158 * genoutput.c: Ditto.
6160 * cfghooks.c: Ditto.
6161 * cfgloopanal.c: Ditto.
6162 * objc/objc-act.c: Ditto.
6164 * genextract.c: Ditto.
6165 * genautomata.c: Ditto.
6166 * pretty-print.c: Ditto.
6168 * cgraphunit.c: Ditto.
6171 * haifa-sched.c: Ditto.
6172 * dominance.c: Ditto.
6174 * tree-ssa-loop-ivopts.c: Ditto.
6176 * mode-switching.c: Ditto.
6177 * modulo-sched.c: Ditto.
6179 * ipa-pure-const.c: Ditto.
6181 * fix-header.c: Ditto.
6183 * tree-stdarg.c: Ditto.
6184 * ipa-utils.c: Ditto.
6185 * loop-init.c: Ditto.
6186 * ipa-inline.c: Ditto.
6189 * alloc-pool.c: Ditto.
6190 * dwarf2out.c: Ditto.
6192 * genattrtab.c: Ditto.
6193 * tree-ssa-loop-ivcanon.c: Ditto.
6197 * fortran/gfortranspec.c: Ditto.
6199 * local-alloc.c: Ditto.
6200 * langhooks.c: Ditto.
6201 * function.c: Ditto.
6202 * tree-vectorizer.c: Ditto.
6204 * ipa-type-escape.c: Ditto.
6206 * tree-if-conv.c: Ditto.
6209 * tree-data-ref.c: Ditto.
6210 * loop-unroll.c: Ditto.
6211 * treelang/treetree.c: Ditto.
6214 * ggc-common.c: Ditto.
6216 * coverage.c: Ditto.
6218 * tree-cfgcleanup.c: Ditto.
6219 * tree-ssa-pre.c: Ditto.
6220 * cfgcleanup.c: Ditto.
6221 * loop-invariant.c: Ditto.
6223 * ipa-prop.c: Ditto.
6224 * print-tree.c: Ditto.
6225 * conflict.c: Ditto.
6226 * ggc-page.c: Ditto.
6227 * sched-deps.c: Ditto.
6228 * regclass.c: Ditto.
6229 * tree-object-size.c: Ditto.
6231 * bb-reorder.c: Ditto.
6232 * resource.c: Ditto.
6233 * var-tracking.c: Ditto.
6235 * df-problems.c: Ditto.
6236 * reg-stack.c: Ditto.
6239 * sched-rgn.c: Ditto.
6240 * tree-ssa-structalias.c: Ditto.
6241 * tree-ssa-reassoc.c: Ditto.
6242 * config/darwin-c.c: Ditto.
6243 * config/darwin.c: Ditto.
6244 * config/arm/arm.c: Ditto.
6246 * collect2.c: Ditto.
6249 2006-01-31 Nicolas Pitre <nico@cam.org>
6251 * arm.md (smaxsi3): Make aware of smax_m1.
6254 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6256 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6258 2006-01-31 Richard Guenther <rguenther@suse.de>
6260 * doc/invoke.texi (-msselibm): Document.
6261 * target.h (expand_library_builtin): New target hook.
6262 * builtins.c (expand_builtin): Use expand_library_builtin.
6263 (default_expand_library_builtin): New function.
6264 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6265 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6266 (link_gcc_math_spec): Declare.
6267 (static_specs): Add link_gcc_math_spec.
6268 * expr.h (default_expand_library_builtin): Declare.
6269 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6270 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6271 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6272 * config/i386/i386.opt (msselibm): New target option.
6273 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6274 (ix86_init_sse_abi_builtins): New function.
6275 (ix86_expand_library_builtin): Likewise.
6276 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6277 (override_options): Handle error conditions wrt -msselibm.
6278 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6279 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6280 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6283 2006-01-31 Richard Guenther <rguenther@suse.de>
6284 Paolo Bonzini <bonzini@gnu.org>
6286 * doc/install.texi (--disable-libgcc-math): Document.
6288 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6290 * expr.h (expand_normal): new inline function.
6291 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6293 * dwarf2out.c: use it.
6298 * config/sparc/sparc.c: use it.
6299 * config/i386/i386.c: use it.
6300 * config/rs6000/rs6000.c: use it.
6301 * config/arm/arm.c: use it.
6302 * config/mips/mips.c: use it.
6303 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6305 2006-01-30 Roger Sayle <roger@eyesopen.com>
6307 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6308 argv to the appropriate type.
6310 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6312 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6315 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6318 * config/s390/s390.c (struct machine_function): New flag
6319 decomposed_literal_pool_addresses_ok_p.
6320 (s390_reorg): Set it before final stage of literal pool transforms.
6321 (s390_decompose_address): Only accept displacements of the form
6322 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6324 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6326 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6327 the comparison routine return.
6329 2006-01-30 Michael Matz <matz@suse.de>
6331 * global.c (find_reg): Only evict for global regs.
6332 Take n_refs into account and dump more info.
6334 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6337 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6338 (pragma_trap, pragma_nosave_low_regs): Likewise.
6339 (current_function_anonymous_args): Likewise.
6340 (sh_deferred_function_attributes): New variable.
6341 (sh_deferred_function_attributes_tail): Likewise.
6342 (print_operand): For '@', look up trap_exit attribute.
6343 (calc_live_regs): Look up trapa_handler attribute. For trapa
6344 handlers, save/restore fpscr, but don't do any other
6345 interrupt-specific saves.
6346 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6347 Fix check for partially saved registers to check for SHmedia.
6348 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6349 (sh_output_function_epilogue): Don't clear any of the removed
6351 (sh_insert_attributes): Don't check pragma_interrupt.
6352 Insert deferred attributes. Check that interrupt attribute is
6353 present for other attributes that require its presence.
6354 (sh_attribute_table): Add new attributes trapa_handler and
6356 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6357 Don't check for pragma_interrupt. Don't store argument.
6358 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6359 (sh_deferred_function_attributes): Declare.
6360 (sh_deferred_function_attributes_tail): Likewise.
6361 * sh.md (sp_switch_1): Add operand. Change generator caller.
6362 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6363 (*return_i): Don't use when trap_exit attribute is in effect.
6364 (*return_trapa): New insn pattern.
6366 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6367 setting c_target_objs and cxx_target_objs.
6368 * t-sh: Add rule for sh-c.o.
6370 2006-01-30 Richard Guenther <rguenther@suse.de>
6373 * gimplify.c (gimplify_target_expr): Handle easy cases
6374 without creating a temporary.
6376 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6378 * vec.h (safe_grow): Remove duplicated line.
6380 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6383 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6384 (expand_omp): ... here.
6385 (expand_omp_parallel): Only remove barriers for combined
6386 parallel+workshare constructs.
6388 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6392 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6393 * tree.c (build_qualified_type): Chain the new type to the original
6394 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6395 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6396 (build_pointer_type_for_mode): Only return unqualified types.
6397 (build_reference_type_for_mode): Likewise.
6399 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6401 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6402 * Makefile.in (CXX_COMPAT_WARN): Define.
6403 * configure: Regenerate.
6405 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6408 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6411 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6413 * toplev.c: Fix thinko.
6415 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6416 Marcin Dalecki <martin@dalecki.de>
6418 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6419 (push_srcloc): Use XNEW.
6420 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
6422 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6424 * df-core.c (df_set_blocks): Deleted all variable.
6426 2006-01-28 Ian Lance Taylor <ian@airs.com>
6428 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6429 cgraph_output_pending_asms.
6431 2006-01-28 Zack Weinberg <zackw@panix.com>
6433 * c.opt: Add -W(no-)overlength-strings.
6434 * doc/invoke.texi: Document it.
6435 * c-opts.c (c_common_handle_option): -pedantic implies
6436 -Woverlength-strings, if not explicitly disabled already.
6437 (c_common_post_options): -Woverlength-strings defaults to off, and
6438 is always off for C++.
6439 * c-common.c (fix_string_type): Issue warning about strings longer
6440 than is portable only if warn_overlength_strings. Rearrange code
6441 a little for clarity.
6442 * configure.in: Check for -Wno-overlength-strings as well before
6443 enabling -pedantic in stage 1.
6444 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6445 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6447 * genconditions.c (write_header, write_one_condition)
6448 (write_conditions, write_writer): Consolidate very long strings
6449 that were broken up to fit in C89 portable limit. Don't use
6450 printf when fputs will do.
6452 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6454 * combine.c (simplify_comparison <AND>): Check
6455 TRULY_NOOP_TRUNCATION before start using a subreg.
6457 * config/mips/mips.md (*branch_zero<mode>,
6458 *branch_zero<mode>_inverted, *branch_equality<mode>,
6459 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6460 Remove mode check from comparisons.
6462 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6464 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6466 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6468 * expmed.c (const_mult_add_overflow_p): Remove.
6469 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6471 * recog.c (validate_replace_rtx_subexp): Remove.
6472 * recog.h: Remove the prototype for
6473 validate_replace_rtx_subexp.
6475 * integrate.h: Remove the prototype for
6476 copy_decl_for_inlining.
6477 * rtl.h: Remove the prototype for mark_constant_function.
6478 * tree-vectorizer.h: Remove the prototype for
6479 vect_strip_conversion.
6481 * modulo-sched.c (create_partial_schedule,
6482 free_partial_schedule, reset_partial_schedule): Make them
6485 * hooks.c (hook_bool_rtx_int_false): Remove.
6486 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6488 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6490 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6491 and -mlong-double-128 are incompatible.
6492 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6493 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6494 (TARGET_LIBGCC2_CFLAGS): Define.
6495 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6496 (TARGET_LIBGCC2_CFLAGS): Same.
6497 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6499 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6502 * c-typeck.c (build_binary_op): Perform implicit casts of
6503 operands before shortening them.
6505 * cfgloopmanip.c (split_loop_bb): Remove.
6506 * cfgloop.h: Remove the prototype for split_loop_bb.
6508 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6509 * cfgloop.h: Remove the prototype for
6510 flow_loop_outside_edge_p.
6512 * emit-rtl.c (init_virtual_regs): Make it static.
6513 * function.h: Remove the prototype for init_virtual_regs.
6515 * recog.c (peephole2_optimize): Make it static.
6516 * recog.h: Remove the prototype for peephole2_optimize.
6518 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6520 * df-scan.c (df_record_entry_block_defs): Check if
6521 INCOMING_RETURN_ADDR_RTX is defined.
6523 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6524 Kenneth Zadeck <zadeck@naturalbridge.com>
6526 PR rtl-optimization/24762
6527 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6528 * targhooks.c (hook_void_bitmap): New hook prototype.
6529 * targhoohs.h (hook_void_bitmap): Ditto.
6530 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6531 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6532 * target.h (live_on_entry): New function pointer.
6533 * df-scan.c (df_all_hard_regs): Removed.
6534 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6535 (df_scan_free_internal): Added df->entry_block_defs.
6536 (df_scan_alloc): Ditto.
6537 (df_scan_dump): Ditto.
6538 (df_uses_record): Plumbed flag field properly thru calls.
6539 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6540 This part fixes PR24762.
6541 (df_bb_refs_record): Added code to make the frame and arg
6542 pointers live in EH blocks.
6543 (df_refs_record): Added call to df_record_entry_block_defs.
6544 (df_record_entry_block_defs): New function.
6545 * df-core.c: Added comments to describe new artifical defs.
6546 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6547 (entry_block_defs): New field in struct df.
6548 (df_all_hard_regs): Deleted.
6549 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6550 * df-problems.c (df_ru_bb_local_compute_process_def):
6551 Added code to handle artifical defs in the entry to a function.
6552 (df_ru_bb_local_compute): Ditto.
6553 (df_rd_bb_local_compute_process_def): Ditto.
6554 (df_rd_bb_local_compute): Ditto.
6555 (df_lr_bb_local_compute): Ditto.
6556 (df_ur_bb_local_compute): Ditto.
6557 (df_urec_bb_local_compute): Ditto.
6558 (df_chain_create_bb): Ditto.
6559 (df_ur_local_finalize): Removed entry.
6560 (df_urec_init): Ditto.
6561 (df_urec_local_finalize): Ditto.
6562 (df_ri_bb_compute): Added detection of last use of pseudos.
6563 * Makefile.in (df-scan.o): Updated dependencies.
6564 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6565 * config/mips/mips.c (mips_set_live_on_entry): Added.
6566 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6568 * dce.c (marked_insn_p): Added code to handle artifical defs.
6570 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6572 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6574 (_mm_cvtsi128_si64): Likewise.
6575 (_mm_cvtsd_si64): Likewise.
6576 (_mm_cvttsd_si64): Likewise.
6577 (_mm_cvtsi64_sd): Likewise.
6578 (_mm_cvtsi64_si128): Likewise.
6579 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6580 (_mm_cvtsi64_m64): Likewise.
6581 (_m_to_int64): Likewise.
6582 (_mm_cvtm64_si64): Likewise.
6583 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6584 (_mm_cvttss_si64): Likewise.
6585 (_mm_cvtsi64_ss): Likewise.
6586 (_mm_cvtss_f32): Likewise.
6588 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6590 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6591 for pragma redefine_extname.
6593 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6596 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6597 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6598 -mno-minimal-toc to previous content.
6599 (bispecs): Remove goal.
6600 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6601 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6602 compatibility aliases on powerpc-*-*gnu*.
6603 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6604 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6605 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6606 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6607 (ldblspecs): New goal.
6608 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6609 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6611 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6612 L_sf_to_tf or L_df_to_tf is defined.
6614 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6615 Alan Modra <amodra@bigpond.net.au>
6618 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6619 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6620 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6621 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6622 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6623 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6624 (rs6000_override_options): Initialize rs6000_ieeequad.
6625 Initialize TFmode format to ibm_extended_format if not
6627 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6629 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6630 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
6631 (function_arg_advance): IBM long double passed in two FPRs, not
6633 (function_arg): IBM long double passed in FPRs.
6634 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
6635 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
6636 Only multireg GPR aligned.
6637 (rs6000_init_libfuncs): Enable IBM long double functions if not
6639 (rs6000_generate_compare): Use IBM long double compare if not
6641 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6642 (TARGET_IEEEQUAD): Define.
6643 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6644 not TARGET_IEEEQUAD.
6645 * config/rs6000/rs6000.md: Enable TFmode patterns if
6647 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6648 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6649 and -mlong-double-128 are incompatible.
6650 * doc/invoke.texi (-mabi): Collect options together. Add
6651 ibmlongdouble and ieeelongdouble.
6653 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6655 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6657 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6658 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6659 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6660 * rtl.h (rtunion_def): Remove rt_ptr.
6662 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6663 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6664 * config/i386/winnt.c (i386_pe_mark_dllexport)
6665 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6667 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6669 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6671 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6675 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6676 pthread_key_delete. From John David Anglin. gthrw-ify
6677 pthread_getunique_np only if it it's not a macro. Delete
6679 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6680 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6681 __gthread_objc_condition_signal, __gthread_key_delete): Add
6682 "__attribute__ ((__unused__))" to unused arguments.
6683 (__gthread_recursive_mutex_init_function): Add missing return.
6684 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6685 gthr-posix95.h: Use macro-based approach for name redirection
6686 on targets missing weakref.
6688 2006-01-26 Zack Weinberg <zackw@panix.com>
6690 * genconditions.c (write_header): In generated code, #ifdef out
6691 all includes and fake declarations, except includes of bconfig.h
6692 and system.h, unless GCC_VERSION >= 3001. Do not include
6693 gensupport.h in any case.
6694 (write_conditions): Generate a definition of struct c_test. Add
6695 a comment to the generated #endif.
6696 (write_one_condition): Escape backslashes in string too.
6697 (write_writer): Generated code must escape backslashes and quote
6698 marks (but not newlines) in the strings it writes.
6699 * Makefile.in (build/gencondmd.o): Update dependencies.
6701 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6704 * Makefile.in (insn-automata.o): Add header file dependencies.
6705 * genautomata.c: Add includes.
6707 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6710 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6712 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6714 * configure.ac: Expect target tools paths to be passed from the toplevel
6715 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6717 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6719 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6722 * c.opt (Wpointer-sign): Init to -1.
6723 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6724 OPT_pedantic, to 0 otherwise.
6725 * doc/invoke.texi: Update.
6727 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6729 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6730 constants provided by 80387 instructions in the destination mode.
6732 2006-01-26 Richard Guenther <rguenther@suse.de>
6733 Andrew Pinski <pinskia@physics.uc.edu>
6736 partial PR tree-opt/17064
6737 * tree-ssa-structalias.c (intra_create_variable_infos):
6738 Create heap variables for incoming parameters if
6739 flag_argument_noalias > 1.
6740 (find_what_p_points_to): Look through default defs of
6743 2006-01-26 Jeff Law <law@redhat.com>
6746 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6747 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6748 within the VR_RANGE, use the VR_RANGE as the result, not the
6750 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6751 bounds for the type.
6753 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6755 * tree-ssa-alias.c (maybe_create_global_var): Change
6756 subvar walking to an assertion that we don't have subvar'd variables.
6758 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6761 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6762 Use a new variable, inner. PARM_DECLs are always non-weak.
6764 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6766 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6769 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6771 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6773 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6775 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6776 (smax_insn, smin_insn, smax_0, smin_0): New.
6778 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6781 * config/cris/cris.c (cris_order_for_addsi3): New function.
6782 * config/cris/cris-protos.h: Prototype it.
6783 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6784 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6785 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6786 (split for "op.S1 [rx=rx+i],ry (swapped)")
6787 (split for "op(s|u).S1 [rx=rx+i],ry")
6788 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6789 Apply cris_order_for_addsi3 when generating addsi3 insns.
6791 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6793 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6794 (TREE_BLOCK): Add call to EXPR_CHECK.
6796 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6799 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6800 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6801 (dump_omp_clauses): ... here.
6802 (dump_generic_node): Handle OMP_CLAUSE.
6803 * tree.c (omp_clause_num_ops): New.
6804 (omp_clause_code_name): New.
6805 (tree_code_size): Handle OMP_CLAUSE.
6806 (tree_size): Likewise.
6807 (make_node): Document handling of OMP_CLAUSE.
6808 (tree_node_structure): Handle OMP_CLAUSE.
6809 (omp_clause_check_failed): New.
6810 (omp_clause_range_check_failed): New.
6811 (omp_clause_operand_check_failed): New.
6812 (build_omp_clause): New.
6813 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6814 * tree.h (enum omp_clause_code): Declare.
6815 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6816 (OMP_CLAUSE_RANGE_CHECK): Define.
6817 (OMP_CLAUSE_ELT_CHECK): Define.
6818 (omp_clause_check_failed): Declare.
6819 (omp_clause_operand_check_failed): Declare.
6820 (omp_clause_range_check_failed): Declare.
6821 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6822 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6823 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6824 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6825 (OMP_CLAUSE_IF_EXPR): Likewise.
6826 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6827 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6828 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6829 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6830 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6831 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6832 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6833 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6834 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6835 (OMP_CLAUSE_CODE): Define.
6836 (OMP_CLAUSE_SET_CODE): Define.
6837 (OMP_CLAUSE_CODE): Define.
6838 (OMP_CLAUSE_OPERAND): Define.
6839 (struct tree_omp_clause): Declare.
6840 (union tree_node): Add field 'omp_clause'.
6841 * treestruct.def (TS_OMP_CLAUSE): Define.
6842 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6843 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6844 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6845 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6846 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6847 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6848 (OMP_CLAUSE): Define.
6849 * print-tree.c (print_node): Handle OMP_CLAUSE.
6850 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6851 * c-typeck.c: Likewise.
6852 * gimplify.c: Likewise.
6853 * c-omp.c: Likewise.
6854 * tree-nested.c: Likewise.
6855 * tree-inline.c: Likewise.
6856 * c-parser.c: Likewise.
6857 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6860 2006-01-25 Roger Sayle <roger@eyesopen.com>
6862 PR rtl-optimization/25703
6863 * combine.c (try_combine): Handle zero_extract and strict_low_part
6864 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6866 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6868 * global.c: Fix comment typos.
6870 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6873 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6874 Use output_addr_const instead of assemble_name.
6876 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6878 * Makefile.in (sched-vis.o): Update dependencies.
6879 * haifa-sched.c (sched_finish): Clear current_sched_info.
6880 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6881 (dump_flow_info): Call it.
6882 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6884 * basic-block.h (dump_bb_info): Declare.
6885 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6886 option, and apply options only for dump files whose TDF_RTL,
6887 TDF_TREE, or TDF_IPA bits match.
6888 * rtl.h: Declare new functions exported from sched-vis.c.
6889 * sched-vis.c: Enable also if scheduling is not used.
6890 (print_value): Print the mode of registers if not inside scheduling.
6891 (print_insn): Make it work outside the scheduler. Beautify the output
6893 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6895 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6897 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6898 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6899 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6900 depending on the value of CONSTANT_POOL_ADDRESS_P.
6901 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6903 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6904 rather than SYMBOL_REF_DECL.
6905 (rtx_constant_pool): Remove const_rtx_sym_htab.
6906 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6907 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6908 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6909 Remove handling of const_rtx_sym_htab.
6910 (find_pool_constant): Delete.
6911 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6912 rather than find_pool_constant.
6913 (get_pool_constant_for_function): Delete.
6914 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6916 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6917 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6918 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6919 (SYMBOL_REF_CONSTANT): New macro.
6920 (get_pool_constant_for_function): Delete.
6921 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6922 rather than SYMBOL_REF_DECL.
6923 (i386_pe_mark_dllimport): Likewise.
6924 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6925 rather than SYMBOL_REF_DECL.
6926 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6927 (machopic_indirect_call_target): Likewise.
6929 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6931 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6933 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6935 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6937 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6939 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6941 2006-01-24 David Daney <ddaney@avtrex.com>
6944 * configure.ac (enable_tls): New enable option.
6945 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6946 * configure: Regenerate.
6947 * doc/install.texi (--enable-tls): Document new option.
6948 (--disable-tls): Ditto.
6950 2006-01-24 Richard Henderson <rth@redehat.com>
6952 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6953 * alias.c (true_dependence): Respect it.
6954 (canon_true_dependence, write_dependence_p): Likewise.
6955 * builtins.c (get_builtin_sync_mem): Set it.
6957 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6959 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6962 2006-01-24 DJ Delorie <dj@redhat.com>
6964 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6965 for storing constants in single-bit bitfields.
6967 2006-01-25 Ben Elliston <bje@au.ibm.com>
6969 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6971 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6974 * tree-ssa-pre.c (phi_translate): Return NULL
6975 for AGGREGATE_TYPE's.
6977 2006-01-24 Zack Weinberg <zackw@panix.com>
6979 * genautomata.c (process_state_for_insn_equiv_partition):
6980 Use xcalloc for insn_arcs_array.
6981 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6982 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6984 2006-01-24 Richard Henderson <rth@redhat.com>
6986 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6989 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6991 PR rtl-optimization/25890
6992 PR rtl-optimization/25905
6993 * combine.c (expand_compound_operation, expand_field_assignment):
6994 Fail if the bitfield's final position is out of bounds.
6996 2006-01-24 Ian Lance Taylor <ian@airs.com>
6999 * cgraphunit.c (cgraph_output_in_order): Don't clear
7000 cgraph_asm_nodes until after asm strings have been output.
7002 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7004 * fix-header.c (read_scan_file): Add new parameter imultilib when
7005 calling register_include_chains.
7007 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7009 * omp-low.c: Update documentation.
7011 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7012 Daniel Berlin <dberlin@dberlin.org>
7016 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7017 return from the function.
7019 2006-01-22 Zack Weinberg <zackw@panix.com>
7021 * rtl.def (match_code): Add second argument.
7022 * genpreds.c (write_extract_subexp): New function.
7023 (write_match_code): Add path argument. Use write_extract_subexp.
7024 (write_predicate_expr): Pass path to write_match_code.
7025 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7026 not perform a mode test.
7027 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7028 a subexpression does not constrain the top-level code set.
7029 * read-rtl.c (read_rtx_variadic): New function.
7030 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7031 * doc/md.texi: Document new notation.
7032 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7033 (cmpsi_operand): ... here, using new notation.
7035 2006-01-22 Zack Weinberg <zackw@panix.com>
7037 * varray.c: Remove GENERATOR_FILE #ifdefs.
7039 2006-01-22 Zack Weinberg <zackw@panix.com>
7041 * genautomata.c (output_reserved_units_table): Emit nothing if
7042 description->query_units_num is zero. Remove extra blank line.
7043 (output_cpu_unit_reservation_p): Short circuit
7044 if description->query_units_num is zero.
7046 2006-01-22 Zack Weinberg <zackw@panix.com>
7048 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7049 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7050 nor any of the random handful of variables that used to be necessary
7051 when this program was linked with rtlanal.o. Prune set of forward
7052 function declarations.
7053 (struct attr_desc): Remove static_p field.
7054 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7055 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7056 (attr_string): Do not read the character one past the length of
7058 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7059 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7060 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7061 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7062 (make_automaton_attrs): New.
7063 (main): Do not call into genautomata. Call local gen_bypass
7064 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7065 Remove special case for insn_alts.
7066 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7067 varray.h (leftover from previous change). Prune set of forward
7068 function declarations. Remove state_alts fields from all
7069 structures. Remove state_alts_table from struct automaton.
7070 Make everything except main static. Do not maintain num_dfa_decls.
7071 Do not maintain state_alts fields of various structures.
7072 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7073 (add_arc): Remove state_alts argument. All callers updated.
7074 (output_reserved_units_table): Emit #ifdef here...
7075 (output_tables): ...not here. Don't generate state_alts tables.
7076 (expand_automata): Don't generate attributes.
7077 (write_automata): Don't generate state_alts functions.
7078 (main): New function.
7079 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7080 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7081 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7082 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7083 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7084 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7085 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7086 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7088 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7089 * genattrtab.h: Delete file.
7090 * Makefile.in (OBJS-common): Add insn-automata.o.
7091 (insn-automata.o): New rule.
7092 (simple_generated_c): Add insn-automata.c.
7093 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7094 (genprogmd): Add automata.
7095 (build/genattrtab): Needs no extra objects nor libraries.
7096 (build/genautomata): Needs build/vec.o and -lm.
7098 2006-01-22 Zack Weinberg <zackw@panix.com>
7100 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7101 (output_dfa_max_issue_rate, locked_states_num): Delete.
7102 (struct automaton): Add locked_states field.
7103 (output_dead_lock_vect): Save number of locked states in
7104 automaton->locked_states. If it is zero, don't print anything.
7105 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7106 (output_internal_dead_lock_func): Only test the dead_lock_vect
7107 for automata that have locked states.
7108 (output_statistics): Always print the number of locked states for
7109 each automaton. Calculate total number of locked states here.
7110 (write_automata): Don't call output_dfa_max_issue_rate.
7111 * genattrtab.c: Define length_unit_log as a const variable.
7112 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7113 max_insn_queue_index const.
7114 * final.c (length_unit_log): Declare const.
7115 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7117 2006-01-22 Zack Weinberg <zackw@panix.com>
7119 * genautomata.c: Include vec.h, not varray.h.
7120 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7121 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7122 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7123 VEC_* macros operating on appropriately typed vectors, or to
7124 malloced arrays when the size is known in advance. Const-ify
7125 many char* variables and function arguments. No functional changes.
7126 * Makefile.in (build/varray.o): Delete rule.
7127 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7128 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7130 2006-01-22 Zack Weinberg <zackw@panix.com>
7132 * gensupport.c: Define get_insn_name and record_insn_name here.
7133 (read_md_rtx): Call record_insn_name as appropriate.
7134 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7135 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7136 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7138 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7139 (BUILD_VARRAY): Delete.
7140 (genprognormal): Rename genprogmd. Fold in all programs from
7141 genprognoprint; also attrtab.
7142 (build/genattrtab): Just mention genautomata.o and varray.o.
7143 Reorganize a bit, add comments to make the categories clearer.
7145 2006-01-22 Zack Weinberg <zackw@panix.com>
7147 * genconditions.c (condition_table, add_condition): Delete.
7148 (write_conditions): Don't emit n_insn_conditions nor
7149 insn_elision_unavailable. Issue the gcc version #ifdef here,
7150 inside the table, with no #else clause ...
7151 (write_header): ...not here.
7152 (write_writer): New function.
7153 (main): Don't initialize condition_table. Use add_c_test.
7155 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7156 files on the command line.
7157 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7158 Return -1 if there is no entry in the table, don't abort.
7159 (add_c_test, traverse_c_tests): New functions.
7160 * gensupport.h (insn_elision_unavailable, insn_conditions)
7161 (n_insn_conditions): Delete declarations.
7162 (add_c_test, traverse_c_tests): Declare.
7163 * read-rtl.c: Include gensupport.h.
7164 (read_conditions): New function.
7165 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7166 (read_rtx_1): If we get EOF when we were looking for an initial
7167 open paren, return 0. Call read_conditions when appropriate.
7168 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7169 dummy-conditions.o. Eliminate references to insn-conditions.o,
7170 or change them to build/gencondmd.o, as appropriate. Remove
7171 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7172 from $(simple_generated_c). For all files remaining in those
7173 two lists, add insn-conditions.md to the generator command line.
7174 Give insn-constants.h/s-constants their own rules. Add rules
7175 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7176 (build/read-rtl.o): Depend on gensupport.h.
7177 (genprognormal): Include preds.
7178 (genprogearly): Rename genprognoprint; only difference is now that
7179 they don't link with $(BUILD_PRINT).
7180 * dummy-conditions.c: Delete.
7182 2006-01-22 Zack Weinberg <zackw@panix.com>
7184 * genextract.c: Don't include insn-config.h. Do include vec.h.
7185 Declare vectors of int, char, and locstr.
7186 (locstr): New typedef.
7187 (struct extraction): Make all array fields into bare pointers.
7188 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7189 (insn_code_number): Delete.
7190 (accum_extract): New struct.
7191 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7192 (gen_insn): Take insn_code_number as an argument. Use an
7193 accum_extract structure instead of loading data directly into
7194 a struct extraction, and having to know how big it might get.
7195 (walk_rtx): Operate entirely on an accum_extract structure.
7196 (print_path): Avoid unnecessary use of printf.
7197 (print_header): New function, split out of main. Distinguish
7198 more carefully between an unrecognizable insn and an insn that
7199 has the code number of a define_expand.
7200 (main): Pass insn_code_number to gen_insn. Call print_header
7201 only after parsing. Avoid unnecessary use of printf.
7202 * Makefile.in (build/vec.o): New rule.
7203 (build/genextract): Depend on build/vec.o.
7204 (build/genextract.o): Don't depend on insn-config.h.
7206 2006-01-22 Zack Weinberg <zackw@panix.com>
7208 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7209 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7210 practical. Eliminate per-generator-program link rules.
7212 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7215 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7216 with a call expr to ...
7217 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7219 2006-01-23 Richard Guenther <rguenther@suse.de>
7221 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7222 before make_edge with conditional EDGE_TRUE_VALUE.
7224 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7225 Jan Hubicka <jh@suse.cz>
7226 Richard Guenther <rguenther@suse.de>
7228 PR rtl-optimization/25654
7229 * cfgexpand.c (aggregate_contains_union_type): New function.
7230 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7231 for structure variables that contain a union type.
7233 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7235 * gengtype.c (new_structure): Return the structure.
7236 (create_option): Add an extra "next" argument.
7237 (create_field): New function.
7238 (adjust_field_rtx_def): Use create_option and create_field.
7239 Remove a now-unnecessary call to find_structure.
7240 (adjust_field_tree_def): Likewise.
7241 (note_yacc_type): Remove an unnecessary call to find_structure.
7242 * gengtype.h (new_structure): Return the structure.
7243 (create_option): Add an extra argument.
7244 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7245 (option): Adjust calls to create_option.
7247 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7249 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7251 2006-01-22 Paul Brook <paul@codesourcery.com>
7252 Peter Barada <peter@the-baradas.com>
7254 * config/m68k/m68k.md: Add Coldfire FPU support.
7255 Define FP mode macro and associated attributes.
7256 Use it for float mode patterns.
7257 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7258 (LIBCALL_VALUE): Use m68k_libcall_value.
7259 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7260 (m68k_function_value): Ditto.
7261 (emit_move_sequence): Ditto.
7262 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7263 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7264 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7265 (MULTILIB_EXCEPTIONS): Ditto.
7266 * config/m68k/m68k.opt: Add mcfv4e.
7267 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7268 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7269 (m68k_output_function_prologue): Save ColdFire FPU registers.
7270 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7271 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7272 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7273 ColdFire FPU registers.
7274 (m68k_libcall_value, m68k_function_value): New functions.
7275 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7276 (LIBCALL_VALUE): Use m68k_libcall_value.
7277 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7278 (MASK_COLDFIRE): Add MASK_CFV4E.
7279 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7280 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7281 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7282 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7283 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7284 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7285 * doc/invoke.tex: Document -mcfv4e on m68k.
7287 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7289 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7292 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7295 * c-opts.c (c_common_handle_option): Don't include
7296 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7297 * doc/invoke.texi (C++ Dialect Options): Document that
7298 -Wnon-virtual-dtor is no longer included in -Wall.
7300 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7302 * gcov.c (print_version), gcov-dump.c (print_version),
7303 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7306 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7308 * df-scan.c (problem_SCAN): Added NULL reset function.
7309 (df_scan_reset_blocks): Added code to call reset block function
7310 (df_bb_refs_delete) Fixed comment.
7311 (df_insn_refs_delete): Made tolerant of deleting non existent info
7312 for dataflow problems that need to be reset.
7313 * df-core.c (df_set_blocks): Ditto.
7314 * df.h (struct df_problem): Added reset_fun.
7315 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7316 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7317 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7318 functions to clear out all references to def-use or use-def chains.
7320 2006-01-21 Ben Elliston <bje@au.ibm.com>
7322 * varasm.c (assemble_real): Initialise data array.
7324 2006-01-20 Paul Brook <paul@codesourcery.com>
7326 Merge from csl-arm-branch.
7327 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7328 * config/arm/arm.md (movdi): Force operands[1] to a register
7329 if we have a non-register source.
7330 (*arm_movdi, *movdf_soft_insn): Require that one of the
7331 operands be a register.
7332 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7333 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7335 2006-01-20 DJ Delorie <dj@redhat.com>
7337 * varasm.c (initialize_constant_valid_p): Allow pointers
7338 initialized from integer constants of lesser precision.
7339 (output_constant): Allow non-int-sized pointer modes to be
7340 initialized from integer constants.
7342 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7345 * cppdefault.h (struct default_include): Add multilib flag.
7346 * cppdefault.c (cpp_include_defaults): Set it.
7347 * c.opt (-imultilib): New option.
7348 * c-opts.c (imultilib): New.
7349 (c_common_handle_option): Handle -imultilib.
7350 (c_common_post_options): Likewise.
7351 * c-incpath.c (add_standard_paths, register_include_chains):
7353 * c-incpath.h (register_include_chains): Add extra parameter.
7354 * gcc.c (do_spec_1): Generate -imultilib option.
7355 (The Specs Language): Update %I description.
7356 (process_command): Update copyright notice.
7357 * doc/cppopts.texi (-imultilib): Document.
7358 * doc/invoke.texi (-imultilib): Include in option summary.
7359 (%I): Update specs documentation.
7361 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7363 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7365 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7367 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7370 2006-01-20 Richard Guenther <rguenther@suse.de>
7371 Steven Bosscher <stevenb.gcc@gmail.com>
7373 PR rtl-optimization/24626
7374 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7375 EDGE_TRUE_VALUE if in RTL mode.
7378 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7379 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7381 2006-01-20 Dirk Mueller <dmueller@suse.com>
7384 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7385 instead of a special NOP marker.
7386 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7387 NOP marker handling.
7388 * c-common.h (empty_body_warning): Add forward declaration.
7389 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7390 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7392 2006-01-20 Paul Brook <paul@codesourcery.com>
7394 * Makefile.in (lang_checks): Keep going if mkdir fails.
7396 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7398 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7399 be able to clean out basic block when not necessary.
7400 (df_scan_free): Fixed to properly delete information if df is
7401 unused before calling df_finish.
7402 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7403 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7405 (df_bb_refs_delete): New function.
7406 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7407 * df-core.c (df_set_blocks): Added code to properly clean out
7408 unused blocks if they are not part of the blocks to consider.
7409 Added additional null check.
7410 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7411 be able to clean out basic block when not necessary
7412 * df.h (df_free_bb_function): Ditto.
7413 (df_bb_refs_delete): New function.
7414 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7415 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7416 basic block parameter to be able to clean out basic block when not
7418 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7419 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7420 Fixed to properly delete information if df is unused before
7423 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7425 PR rtl-optimization/25799
7426 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7427 Corrected confluence operator to remove bits from op2 before oring
7428 with op1 rather than removing bits from op1.
7429 (df_ru_transfer_function): Corrected test on wrong bitmap which
7430 caused infinite loop. Both of these problems were introduced in
7431 the dataflow rewrite.
7433 2006-01-19 DJ Delorie <dj@redhat.com>
7435 * reload1.c (find_reload_regs): Note the details of reload
7436 failures in the dump file.
7437 (spill_failure): Likewise.
7439 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7441 * loop-iv.c: Include df.h and hashtab.h.
7442 (enum iv_grd_result): New enum.
7443 (DF_REF_IV, DF_REF_IV_SET): New macros.
7444 (struct biv_entry): New.
7445 (df, bivs): New global variables.
7446 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7447 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7449 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7450 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7451 analyzed_for_bivness_p, record_biv): New functions.
7452 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7453 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7454 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7456 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7458 (iv_number_of_iterations): Use new interface to iv analysis.
7459 * loop-unroll.c: Do not include varray.h.
7460 (analyze_iv_to_split_insn): Use new interface to iv
7462 * loop-unswitch.c (may_unswitch_on): Ditto.
7463 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7465 (df_bb_modify): Realloc tables to the new index.
7466 (df_find_use): New function.
7467 * df.h (df_find_use): Declare.
7468 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7470 * cfgloop.h (struct rtx_iv): Remove analysed field.
7471 (iv_get_reaching_def): Removed.
7472 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7473 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7474 (loop-iv.o): Add df.h and hashtab.h dependency.
7475 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7477 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7480 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7482 (__floatundisf, __floatundidf): Likewise.
7483 * libgcc2.h (IS_IBM_EXTENDED): Define.
7485 2006-01-19 DJ Delorie <dj@redhat.com>
7487 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7489 2006-01-19 Paul Brook <paul@codesourcery.com>
7491 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7492 as nothrow when unwinding tables are disabled.
7494 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7497 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7498 of bit-field" when in system header.
7500 2006-01-19 DJ Delorie <dj@redhat.com>
7502 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7503 the 16 bit shift limit of the m16c.
7505 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7508 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7509 * config/i386/i386.c (output_set_got): Output the label if we have one
7510 for the TARGET_DEEP_BRANCH_PREDICTION case.
7512 2006-01-19 Jan Hubicka <jh@suse.cz>
7513 H.J. Lu <hongjiu.lu@intel.com>
7514 Evandro Menezes <evandro.menezes@amd.com>
7516 * invoke.texi (generic): Document
7518 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7519 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7520 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7521 (x86_use_incdec, x86_pad_returns): New variables
7522 (TARGET_CPU_DEFAULT_generic): New constant
7523 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7524 (enum processor_type): Add generic32 and generic64.
7525 * i386.md (cpu attribute): Add generic32/generic64
7526 (movhi splitter): Behave sanely when both partial_reg_dependency and
7527 partial_reg_stall are set.
7528 (K8 splitters): Enable for generic as well.
7529 * predicates.md (incdec_operand): Use TARGET_INCDEC
7530 (aligned_operand): Avoid memory mismatch stalls.
7531 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7532 * ppro.md: Enable for generic32
7533 * i386.c (generic64_cost, generic32_cost): New.
7534 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7535 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7536 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7537 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7538 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7539 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7540 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7541 x86_accumulate_outgoing_args, x86_prologue_using_move,
7542 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7543 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7545 (x86_use_incdec, x86_pad_returns): New.
7546 (override_options): Add generic32 and generic64, translate "generic"
7547 to generic32/generic64 and "i686" to "generic32", refuse
7548 "generic32"/"generic64" as arch target.
7549 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7550 (ix86_reorg): Honor PAD_RETURNS.
7552 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7554 * tree-pretty-print.c (dump_generic_node): Handle
7555 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7556 * cgraph.c (cgraph_expand_queue): Rename from
7557 cgraph_analyze_queue. Update all users.
7558 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7559 cgraph_expand_queue.
7560 (cgraph_expand_all_functions): Likewise.
7561 (cgraph_finalize_pending_functions): Remove. Update callers.
7563 * tree.h (OMP_DIRECTIVE_P): Define.
7564 (OMP_PARALLEL_FN): Define.
7565 (OMP_PARALLEL_DATA_ARG): Define.
7566 (OMP_SECTIONS_SECTIONS): Define.
7567 * tree-pass.h (pass_expand_omp): Declare.
7568 * omp-low.c (struct omp_region): Declare.
7569 (struct omp_context): Remove fields 'parallel_type',
7570 'parallel_start_ix' and 'parallel_start_additional_args'.
7572 (struct omp_for_data): Rename from struct expand_omp_for_data.
7573 (omp_regions): New static variable.
7574 (root_omp_region): New static variable.
7575 (find_omp_clause): Make static.
7576 (is_in_combined_parallel_ctx): Remove.
7577 (is_combined_parallel): New.
7578 (extract_omp_for_data): Move earlier in the file.
7579 (workshare_safe_to_combine_p): New.
7580 (get_ws_args_for): New.
7581 (determine_parallel_type): Move earlier in the file.
7582 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7584 (omp_copy_decl): Likewise.
7585 (create_omp_child_function): Likewise.
7586 (lookup_omp_region): New.
7587 (dump_omp_region): New.
7588 (debug_omp_region): New.
7589 (debug_all_omp_regions): New.
7590 (new_omp_region): New.
7591 (scan_omp_parallel): If parallel_nesting_level > 1, the
7592 directive is nested within another parallel directive.
7593 Set OMP_PARALLEL_FN.
7594 (scan_omp_for): Do not try to handle combined parallel+for
7596 Remove FIXME comment.
7597 (scan_omp_nested): Remove.
7598 (scan_omp_1): Do not call scan_omp_nested when
7599 parallel_nesting_level is > 1.
7600 Do not change the DECL_CONTEXT of local variables found.
7601 (lookup_decl_in_outer_ctx): New.
7602 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7603 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7604 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7605 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7606 If CTX is nested, lookup VAR in the outer context when
7607 building copy assignment.
7608 (lower_send_clauses): Rename from expand_send_clauses.
7609 If CTX is nested, lookup VAR in the outer context when
7610 building copy assignments.
7611 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7612 If CTX is nested, lookup VAR in the outer context when
7613 building copy assignments.
7614 (expand_parallel_call): Rename from build_parallel_call.
7615 Handle combined parallel+workshare cases.
7616 Re-implement to emit code into the CFG.
7618 (expand_omp_parallel): Re-implement to emit code into the CFG.
7619 Call move_sese_region_to_fn to outline the sub-graph
7620 containing the parallel region.
7621 (expand_omp_for_1): Remove.
7622 (expand_omp_for_generic): Re-implement to emit code into the
7624 (expand_omp_for_static_nochunk): Likewise.
7625 (expand_omp_for_static_chunk): Likewise.
7626 (expand_omp_for): Likewise.
7627 (expand_omp_sections): Likewise.
7628 (remove_exit_barriers): New.
7629 (expand_omp_synch): New.
7631 (build_omp_regions_1): New.
7632 (build_omp_regions): New.
7633 (execute_expand_omp): New.
7634 (gate_expand_omp): New.
7635 (pass_expand_omp): Define.
7636 (lower_omp_sections): Rename from expand_omp_sections.
7637 Set OMP_SECTIONS_SECTIONS.
7638 (lower_omp_single_simple): Rename from expand_omp_single_simple.
7639 (lower_omp_single_copy): Rename from expand_omp_single_copy.
7640 (lower_omp_single): Rename from expand_omp_simple.
7641 (lower_omp_master): Rename from expand_omp_master.
7642 (lower_omp_ordered): Rename from expand_omp_ordered.
7643 (lower_omp_critical): Rename from expand_omp_critical.
7644 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7645 (lower_omp_for): Re-implement.
7646 (lower_omp_parallel): Re-implement.
7647 (lower_regimplify): Rename from expand_regimplify.
7648 (lower_omp_1): Rename from expand_omp_1.
7649 If there are syntax errors in the program, replace every
7650 OpenMP directive with NOP.
7651 Call lower_omp_* instead of expand_omp_*.
7652 (lower_omp): Rename from expand_omp.
7654 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7655 * tree-gimple.h (enum omp_parallel_type): Remove.
7656 (gimple_boolify): Declare extern.
7657 (find_omp_clause, determine_parallel_type): Remove.
7659 * gimple-low.c (lower_omp_directive): New.
7660 (lower_stmt): Call it.
7661 (record_vars_into): Move from ...
7662 (record_vars): ... here.
7663 Call record_vars_into with current_function_decl.
7665 * gimplify.c (struct gimplify_ctx): Remove fields
7666 combined_pre_p and combined_ctxp. Update users.
7667 (get_formal_tmp_var): Add documentation.
7668 (gimple_boolify): Make extern.
7669 (gimplify_expr_in_ctx): Remove. Update callers.
7670 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7671 will always be a BIND_EXPR.
7672 (gimplify_expr): Handle OMP_RETURN_EXPR.
7673 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7674 (OMP_PARALLEL): Add 3 operands.
7675 (OMP_SECTIONS): Add 1 operand.
7676 (OMP_RETURN_EXPR): Define.
7678 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7679 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7680 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7681 creating a circular free list.
7682 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7684 * tree-flow.h (move_sese_region_to_fn): Declare.
7685 (record_vars_into): Declare.
7686 * tree-cfg.c (make_omp_sections_edges): New.
7687 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7688 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7689 OMP_SECTIONS and OMP_SECTION.
7690 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7691 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7692 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7693 (gather_blocks_in_sese_region): New.
7694 (struct move_stmt_d): Declare.
7696 (move_block_to_fn): New.
7697 (move_sese_region_to_fn): New.
7699 * passes.c (init_optimization_passes): Schedule
7700 pass_expand_omp after pass_init_datastructures.
7702 * tree-ssa-operands.c (get_expr_operands): Handle
7703 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7704 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7706 2006-01-19 Jeff Law <law@redhat.com>
7708 * tree-vrp.c (extract_range_from_assert): Refine the result range
7709 if the variable referenced by the ASSERT_EXPR has a range and
7710 either the tentative result range or the previous range is a
7713 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7715 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7717 2006-01-19 Jan Hubicka <jh@suse.cz>
7719 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7721 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7723 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7724 (expand_compound_operation, expand_field_assignment): Fail if the
7725 bit lengths of an extract operation are out of range.
7726 (make_extraction): Compute wanted_inner_mode based on the position
7727 and length of the extraction. Make it extraction_mode for non-constant
7728 positions, and do not modify offset in that case. When generating a
7729 new MEM, use a mode that can hold the extraction while keeping correct
7730 alignment. Remove code that supported MEMs wrapped by USEs.
7731 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7733 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7735 * config/s390/s390.md ("Y", "y"): New mode attribute.
7736 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7737 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7738 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7739 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7740 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7741 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7742 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7743 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7744 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7745 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7746 "addsi3", "subsi3"): Insn patterns removed.
7747 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7748 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7749 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7750 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7751 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7752 "*sub<mode>3_cconly2"): New insn patterns.
7753 ("addsi3", "subsi3"): New expanders.
7755 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7757 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7758 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7759 existing STMT_VINFO_VECTYPE if available.
7760 (vect_mark_relevant): Add special handling for stmts that are
7761 marked as STMT_VINFO_IN_PATTERN_P.
7762 (vect_analyze_loop): Call vect_pattern_recog.
7763 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7764 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7766 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7767 (vect_recog_func_ptr): New function-pointer type.
7768 * tree-vect-patterns.c: New file.
7769 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7770 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7771 (vect_pattern_recog_1): New functions.
7772 (vect_pattern_recog_funcs): New array of function pointers.
7774 * tree-vectorizer.h (ternary_op): New enum value.
7775 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7776 declaration. Revised documentation. Removed redundant dump prints.
7777 Removed redundant argument. Added support for reduction patterns.
7778 (vectorizable_reduction): Added support for reduction patterns.
7779 (vect_transform_stmt): Added support for patterns.
7781 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7782 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7783 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7784 (expand_widen_pattern_expr): New function.
7785 (init_optabs): Initialize new optabs udot_prod_optab,
7787 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7788 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7789 (expand_widen_pattern_expr): New function declaration.
7790 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7792 * tree-inline.c (estimate_num_insns_1): Added cases for new
7793 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7794 * tree-pretty-print.c (dump_generic_node): Likewise.
7795 (op_prio): Likewise.
7796 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7797 * tree-ssa-operands.c (get_expr_operands): Added case for
7799 * tree-vect-patterns.c (widened_name_p): New function.
7800 (vect_recog_dot_prod_pattern): Added function implementation.
7801 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7802 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7803 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7804 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7806 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7807 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7808 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7809 (init_optabs): Initialize new optabs widen_ssum_optab,
7811 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7812 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7813 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7814 use instead of type of def.
7815 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7816 function implementation.
7817 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7818 widen_ssumv8hi): New.
7820 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7823 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7826 * c-decl.c (add_flexible_array_elts_to_size): New function.
7827 (finish_decl): Use it.
7829 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7831 * diagnostic.h: Include options.h.
7832 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7833 dependancies for diagnostic.h.
7834 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7836 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7838 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7839 (ssa_ro_call_cache_valid): Ditto.
7840 * tree-ssa-alias.c (sort_tags_by_id): New function.
7841 (init_transitive_clobber_worklist): Ditto.
7842 (add_to_worklist): Ditto.
7843 (mark_aliases_call_clobbered): Ditto.
7844 (compute_tag_properties): Ditto.
7845 (set_initial_properties): Ditto.
7846 (compute_call_clobbered): Ditto.
7847 (compute_may_aliases): Call compute_call_clobbered and grouping.
7848 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7849 (compute_flow_insensitive_aliasing): Grouping now happens in our
7851 (setup_pointers_and_addressables): Remove clobbering related code.
7852 (add_may_alias): Ditto.
7853 (replace_may_alias): Ditto.
7854 (get_nmt_for): Ditto.
7855 (create_global_var):
7856 (is_escape_site): Return an escape_type enumeration.
7857 * tree-flow-inline.h (is_call_clobbered): Global var does not
7858 imply call clobbered.
7859 (mark_call_clobbered): Take a reason for marking this. Remove
7860 marking of globalness, and cache invalidation.
7861 (clear_call_clobbered): Remove cache invalidation code.
7862 * tree-dfa.c (dump_variable): If details is on, dump the reason
7864 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7866 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7867 (struct var_ann_d): Ditto.
7868 (enum escape_type): New.
7869 (mark_call_clobbered): Adjust prototype.
7870 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7871 are never call clobbered.
7872 Record reasons for escaping.
7873 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7874 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7875 (ssa_ro_call_cache_valid): Ditto.
7876 (clobbered_v_may_defs): Ditto.
7877 (clobbered_vuses): Ditto.
7878 (ro_call_vuses): Ditto.
7879 (clobber_stats): New.
7880 (init_ssa_operands): Zero out clobber stats.
7881 (fini_ssa_operands): Print out clobber stats.
7882 (get_call_expr_operands): Pass callee fndecl to
7884 (add_call_clobber_ops): Remove use of cache.
7885 Add use of PURE_CONST information.
7886 (add_call_read_ops): Remove use of cache.
7887 Add use of static not_read information.
7889 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7891 Introduce TLS descriptors for i386 and x86_64.
7892 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7893 (TARGET_ANY_GNU_TLS): New macro.
7894 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7895 (struct machine_function): Add tls_descriptor_call_expanded_p.
7896 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7897 (ix86_current_function_calls_tls_descriptor): Likewise.
7898 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7899 (override_options): Introduce gnu2 tls dialect.
7900 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7902 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7904 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7905 (ix86_init_machine_status): Initialize new field.
7906 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7907 (ix86_tls_module_base): New.
7908 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7909 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7910 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7911 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7912 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7913 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7914 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7915 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7916 * config/i386/predicates.md (tls_modbase_operand): New.
7917 (tp_or_register_operand): New.
7919 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7921 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7922 (look_for_address_of): Ditto.
7923 (ipa_init): Walk the function decls.
7924 (static_execute): Don't set readonly on FUNCTION_DECL's.
7926 2006-01-18 Roger Sayle <roger@eyesopen.com>
7928 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7929 for shifts where the source and destination registers are different.
7931 2006-01-18 Paul Brook <paul@codesourcery.com>
7933 Merge from csl-arm-branch.
7934 2005-03-14 Julian Brown <julian@codesourcery.com>
7935 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7936 (aeabi_llsl): Likewise.
7937 (ashrdi3): Likewise.
7938 (aeabi_lasr): Likewise.
7939 (lshrdi3): Likewise.
7940 (aeabi_llsr): Likewise.
7941 2005-03-10 Julian Brown <julian@codesourcery.com>
7942 * config.gcc: Disable shared libgcc for SymbianOS.
7943 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7945 2006-01-18 DJ Delorie <dj@redhat.com>
7947 * c-pragma.c (handle_pragma_diagnostic): New.
7948 (init_pragma): Register it.
7949 * doc/extend.texi: Document it.
7951 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7952 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7953 (diagnostic_context): Add classify_diagnostic[].
7954 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7955 as errors if they're overridden to DK_WARNING.
7956 (diagnostic_initialize): Initialize classify_diagnostic[].
7957 (diagnostic_set_kind_override): New.
7958 (diagnostic_report_diagnostic): Check for kind changes.
7959 * opts.c (common_handle_option): Take lang_mask. Update callers.
7961 * common.opt (Werror=): New.
7962 * doc/invoke.texi: Document -Werror=*
7964 2006-01-18 Jeff Law <law@redhat.com>
7966 * tree-vrp.c (test_for_singularity): Correct test for new
7967 min limit. Use operand_equal_p rather than pointer equality
7968 for testing if new min/max values are equal.
7970 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7971 using range information until after propagation and folding.
7973 2006-01-18 Richard Henderson <rth@redhat.com>
7974 Aldy Hernandez <aldyh@redhat.com>
7975 Jakub Jelinek <jakub@redhat.com>
7976 Diego Novillo <dnovillo@redhat.com>
7978 * omp-low.c: New file.
7979 * c-omp.c: New file.
7981 2006-01-18 Richard Henderson <rth@redhat.com>
7982 Jakub Jelinek <jakub@redhat.com>
7983 Diego Novillo <dnovillo@redhat.com>
7985 * doc/invoke.texi: Document -fopenmp.
7986 * tree-dump.h (debug_function): Declare.
7987 * hooks.c (hook_bool_tree_bool_false): New function.
7988 (hook_tree_tree_null): Remove.
7989 (hook_tree_tree_tree_null): New.
7990 * hooks.h: Update to match.
7991 * tree-pretty-print.c (debug_tree_chain): New.
7992 (print_generic_expr): Handle TDF_CHAIN.
7993 (dump_generic_node): Handle BLOCK.
7994 Do not abort with incomplete SWITCH_EXPRs.
7995 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7996 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7997 print space after directive name.
7998 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7999 Handle OMP_MASTER and OMP_ORDERED.
8000 Handle printing of OMP_BODY just in one place, goto
8001 dump_omp_body in the rest of OMP_* nodes that have
8003 Don't handle clause nodes here. Update omp statements to
8004 use dump_omp_clauses.
8005 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8006 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8007 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8008 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8009 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8010 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8011 Adjust output for GOMP_PARALLEL.
8012 (dump_omp_clauses): New.
8013 (print_declaration): Dump DECL_VALUE_EXPR.
8014 (op_symbol_1): Split out of op_symbol.
8015 (dumping_stmts): Remove. Update all users.
8016 * cgraph.c (cgraph_analyze_queue): New.
8017 (cgraph_add_new_function): New.
8018 * cgraph.h (cgraph_analyze_queue): Declare.
8019 (cgraph_add_new_function): Declare.
8020 (cgraph_lower_function): Remove.
8021 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8022 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8023 and TYPE_P nodes in its default clause.
8024 (empty_body_p): New.
8025 (tree_range_check_failed): New.
8027 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8028 OMP_CLAUSE_REDUCTION_MERGE,
8029 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8030 OMP_CLAUSE_PRIVATE_DEBUG,
8031 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8032 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8033 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8034 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8035 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8036 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8037 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8038 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8039 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8040 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8041 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8042 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8043 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8044 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8045 (TREE_RANGE_CHECK): New.
8046 (empty_body_p): Declare.
8047 (enum omp_clause_default_kind): New.
8048 (build_string_literal): Declare.
8049 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8050 (build5_stat, build5): Declare.
8051 * tree-pass.h (TDF_CHAIN): Define.
8052 * tree-pass.h (PROP_gimple_lomp): Define.
8053 (pass_lower_omp): Declare.
8054 * diagnostic.h (debug_tree_chain): Declare.
8055 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8057 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8058 * builtins.c (build_string_literal): Make extern.
8059 * gcc.c (include_spec_function): New.
8060 (static_spec_functions): Add it.
8061 (main): Move load of libgomp.spec ...
8062 (LINK_COMMAND_SPEC): ... here.
8063 (link_gomp_spec): New.
8064 (static_specs): Include it.
8065 (LINK_COMMAND_SPEC): Add link_gomp.
8066 (GOMP_SELF_SPECS): New.
8067 (driver_self_specs): Include it.
8068 (switch_matches): Don't mark inline.
8069 (main): Load libgomp.spec.
8070 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8071 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8072 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8073 * tree-gimple.h (enum omp_parallel): Declare.
8074 (determine_parallel_type): Declare.
8075 (omp_firstprivatize_variable): Declare.
8076 (omp_reduction_init): Declare.
8077 (diagnose_omp_structured_block_errors): Declare.
8078 (struct walk_stmt_info): Add want_return_expr.
8079 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8080 (find_omp_clause): Declare.
8081 (insert_field_into_struct): Declare.
8082 (struct walk_stmt_info): Move from tree-nested.c
8083 (walk_stmts): Declare.
8084 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8086 * cgraphunit.c (cgraph_lower_function): Make static.
8087 (cgraph_finalize_pending_functions): New.
8088 (cgraph_finalize_function): Call it.
8089 (cgraph_finalize_compilation_unit): Likewise.
8090 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8091 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8092 (BT_FN_UINT_UINT): New.
8093 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8094 DEF_FUNCTION_TYPE_VAR_4): Document.
8095 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8096 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8097 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8098 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8099 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8100 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8101 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8102 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8103 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8104 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8105 into separate files.
8106 (DEF_GOMP_BUILTIN): New.
8107 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8108 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8109 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8110 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8111 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8112 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8113 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8114 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8115 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8116 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8117 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8118 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8119 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8120 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8121 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8122 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8123 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8124 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8125 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8126 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8127 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8128 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8129 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8130 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8131 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8132 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8133 * sync-builtins.def: New file, moved from builtins.def.
8134 * omp-builtins.def: New file, moved from builtins.def.
8135 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8136 * gimple-low.c (lower_function_body): Clear data.
8137 (lower_stmt): Do not handle COMPOUND_EXPR.
8138 Remove call to print_node_brief.
8139 * c-tree.h (c_finish_omp_clauses): New prototype.
8140 (C_DECL_THREADPRIVATE_P): Define.
8141 (lookup_name_no_remap, c_omp_remap_private): Remove
8142 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8143 (check_for_loop_decls): Update decl.
8144 (lookup_name_no_remap, c_omp_remap_private): Declare.
8145 (build_indirect_ref, build_modify_expr, pushdecl,
8146 pushdecl_top_level): Move to c-common.h.
8147 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8148 before the switch, but just in the 2 places that need it.
8149 * c-decl.c (diagnose_mismatched_decls): Do not check for
8150 mismatched thread-local attributes when OLDDECL is marked
8151 threadprivate and NEWDECL has no thread-local attributes.
8152 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8153 (c_gimple_diagnostics_recursively): Rename from
8154 c_warn_unused_result_recursively. Invoke
8155 diagnose_omp_structured_block_errors.
8156 (check_for_loop_decls): Return a singular decl found.
8157 * langhooks.c (lhd_omp_predetermined_sharing): Return
8158 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8159 (lhd_omp_firstprivatize_type_sizes): New.
8160 (lhd_omp_assignment): New.
8161 (lhd_omp_predetermined_sharing): New.
8162 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8163 (struct lang_hooks_for_types): Add
8164 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8165 omp_predetermined_sharing, omp_disregard_value_expr,
8166 omp_private_debug_clause, omp_clause_default_ctor,
8167 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8168 (c_finish_omp_clauses): New.
8169 (c_finish_bc_stmt): Diagnose break within omp for.
8170 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8171 (build_unary_op): Return error_mark after reporting
8173 (build_modify_expr): Likewise.
8174 * gimplify.c: Include optabs.h and pointer-set.h.
8175 (enum gimplify_omp_var_data): Declare.
8176 (struct gimplify_omp_ctx): Declare.
8177 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8179 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8180 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8181 (splay_tree_compare_decl_uid): New.
8182 (new_omp_context): New.
8183 (delete_omp_context): New.
8184 (gimple_add_tmp_var): Call omp_add_variable.
8185 (gimplify_bind_expr): Likewise.
8186 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8187 true, disregard DECL_VALUE_EXPR on the decl if any.
8188 (gimplify_expr_in_ctx): New.
8189 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8190 omp_add_variable, omp_notice_variable, omp_is_private
8191 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8192 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8193 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8194 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8195 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8196 gimplify_omp_atomic): New.
8197 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8198 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8199 OMP_CRITICAL and OMP_ATOMIC.
8200 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8201 * c-pragma.h (enum pragma_kind): Add
8202 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8203 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8204 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8205 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8206 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8207 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8208 PRAGMA_OMP_THREADPRIVATE.
8209 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8210 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8211 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8212 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8213 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8214 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8215 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8216 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8217 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8218 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8219 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8220 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8221 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8223 (struct nesting_info): Add field_map,
8224 suppress_expansion, debug_var_chain.
8225 (create_nesting_tree): Initialize them.
8226 (lookup_field_for_decl): Use field_map.
8227 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8228 (convert_local_omp_clauses): New.
8229 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8230 (walk_body): Split out of walk_function.
8231 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8232 (convert_nonlocal_reference): Handle omp statements.
8233 (convert_local_reference): Likewise.
8234 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8235 (unnest_nesting_tree): New.
8236 (lower_nested_functions): Call it.
8237 (insert_field_into_struct): Make extern.
8238 (struct walk_stmt_info): Move to tree-gimple.h.
8239 (walk_stmts): Make extern.
8240 * omp-builtins.def: New file.
8241 * tree-iterator.c (expr_only): Clarify comment.
8242 * c-common.h (pushdecl_top_level, pushdecl,
8243 build_modify_expr, build_indirect_ref,
8244 c_finish_omp_master, c_finish_omp_critical,
8245 c_finish_omp_ordered, c_finish_omp_barrier,
8246 c_finish_omp_atomic, c_finish_omp_flush,
8247 c_finish_omp_for, c_split_parallel_clauses,
8248 omp_clause_default_kind, c_omp_sharing_predetermined,
8249 c_omp_remap_decl): Declare.
8250 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8251 (OBJS-common): Add omp-low.o.
8252 (c-omp.o, omp-low.o): Add.
8253 (gimplify.o): Add dependency on $(OPTABS_H).
8254 (GTFILES): Add omp-low.c.
8255 (gt-stringpool.h): Add.
8256 * tree-cfg.c (set_bb_for_stmt): Do not update the
8257 block-to-labels map if we are currently expanding to RTL.
8258 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8260 Handle IDENTIFIER_NODE.
8261 (tree_verify_flow_info): Do not ICE when emitting error
8262 messages about invalid labels.
8263 (dump_function_to_file): Reset CFUN before emitting the body
8265 (debug_function): New.
8266 * passes.c (init_optimization_passes): Schedule
8268 * langhooks-def.h (lhd_omp_predetermined_sharing,
8269 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8271 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8272 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8273 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8274 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8275 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8276 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8277 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8278 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8279 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8280 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8281 (LANG_HOOK_DECLS): Use them.
8283 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8284 Richard Henderson <rth@redhat.com>
8285 Jakub Jelinek <jakub@redhat.com>
8286 Diego Novillo <dnovillo@redhat.com>
8288 * c-parser.c (pragma_omp_clause): Define.
8289 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8290 (c_parser_compound_statement): Likewise.
8291 (c_parser_statement): Likewise.
8292 (c_parser_pragma): Handle omp pragmas.
8293 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8294 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8295 (c_parser_omp_clause_name, check_no_duplicate_clause,
8296 c_parser_omp_variable_list,
8297 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8298 c_parser_omp_clause_copyprivate,
8299 c_parser_omp_clause_default,
8300 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8301 c_parser_omp_clause_lastprivate,
8302 c_parser_omp_clause_nowait,
8303 c_parser_omp_clause_num_threads,
8304 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8305 c_parser_omp_clause_reduction,
8306 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8307 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8308 c_parser_omp_atomic, c_parser_omp_barrier,
8309 c_parser_omp_critical, c_parser_omp_flush,
8310 c_parser_omp_for_loop, c_parser_omp_for,
8311 c_parser_omp_master, c_parser_omp_ordered,
8312 c_parser_omp_sections_scope, c_parser_omp_sections,
8313 c_parser_omp_parallel, c_parser_omp_single,
8314 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8315 * c-pragma.c (init_pragma): Do omp pragma registration here.
8316 * c.opt (fopenmp): New flag.
8318 2006-01-18 Eric Christopher <echristo@apple.com>
8320 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8321 * config/darwin.h (GOMP_SELF_SPECS): Define.
8323 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8325 * rtl.h: Remove the prototype for reg_alloc.
8327 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8330 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8331 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8332 sjlj and dwarf2 exception handling.
8333 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8334 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8335 * pa/pa.c (function_value): Treat complex and vector types as
8337 (function_arg): Likewise. Only pass scalar floats in the floating
8338 point argument registers.
8339 * pa/t-slibgcc-dwarf-ver: New file.
8340 * pa/t-slibgcc-sjlj-ver: New file.
8341 * pa/t-slibgcc-elf-ver: Delete file.
8343 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8345 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8346 unlikely_test_section_p test.
8348 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8350 * mode-switching.c (optimize_mode_switching): Make it static.
8351 * basic-block.h: Remove the prototype for
8352 optimize_mode_switching.
8354 * modulo-sched.c (sms_schedule): Make it static.
8355 * rtl.h: Remove the prototype for sms_schedule.
8357 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8358 * rtl.h: Remove the prototype for gcse_after_reload_main.
8360 * reg-stack.c (reg_to_stack): Make it static.
8361 * rtl.h: Remove the prototype for reg_to_stack.
8363 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8365 * rtl.h: Remove the prototypes for regrename_optimize and
8366 copyprop_hardreg_forward.
8368 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8370 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8371 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8372 Test against the appropriate null constant for the mode.
8373 If 'fixup_overlap' is true, swap the operands if they overlap.
8374 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8375 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8376 alpha_split_tmode_pair and adjust for above change.
8377 * config/alpha/alpha.md (movtf_internal): Adjust call to
8378 alpha_split_tfmode_pair and rely on it to swap the operands.
8379 (movti_internal): New insn and post-reload splitter.
8380 (movti): New expander.
8382 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8384 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8387 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8389 * rtlanal.c (global_reg_mentioned_p_1,
8390 global_reg_mentioned_p): Remove.
8391 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8393 * flow.c (initialize_uninitialized_subregs): Make it static.
8394 * rtl.h: Remove the prototype for
8395 initialize_uninitialized_subregs.
8397 * function.c (instantiate_virtual_regs): Make it static.
8398 * function.h: Remove the prototype for
8399 instantiate_virtual_regs.
8401 * regmove.c (regmove_optimize, combine_stack_adjustments):
8403 * rtl.h: Remove the prototypes for regmove_optimize and
8404 combine_stack_adjustments.
8406 2006-01-17 Roger Sayle <roger@eyesopen.com>
8408 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8409 (size_cost): Encode costs in bytes so that a reg-reg addition is
8410 equivalent to COSTS_N_INSNS(1).
8411 (override_options): Use the size_cost.branch_cost as the default
8412 ix86_branch_cost when optimizing for size.
8414 2006-01-18 Ben Elliston <bje@au.ibm.com>
8416 * Makefile.in (D32PBIT_FUNCS): New.
8417 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8418 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8419 D64PBIT_FUNCS and D128PBIT_FUNCS.
8420 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8421 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
8423 (decnumber_dep): Define.
8424 * doc/libgcc.texi (Decimal float library routines): New node.
8425 * config/dfp-bit.h, config/dfp-bit.c: New files.
8427 2006-01-18 Ben Elliston <bje@au.ibm.com>
8429 * expr.c (emit_move_change_mode): Always adjust addresses, not
8430 just during reload. Copy replacements only during reload.
8431 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8432 emit_move_via_integer.
8434 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8436 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8437 instead of $(srcdir) and ${srcdir}.
8439 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8443 * arm.h (struct machine_function): Add pic_reg.
8444 * arm.c (arm_pic_register): Make unsigned.
8445 (arm_override_options): Only set arm_pic_register if
8446 TARGET_SINGLE_PIC_BASE.
8447 (use_return_insn): Only test for a pic register if it is fixed.
8448 (arm_compute_save_reg0_reg12_mask): Likewise.
8449 (thumb_compute_save_reg_mask): Likewise.
8450 (legitimate_pic_operand): Factor out some known invariants.
8451 (legitimize_pic_address): If we don't have a fixed pic register,
8452 then set up a pseudo in the function entry sequence. Handle the
8453 pic base being in a pseudo.
8454 (arm_load_pic_register): Handle the pic register being in a pseudo.
8455 (arm_expand_prologue): Only set up the pic register if it is fixed.
8456 (thumb_expand_prologue): Likewise.
8457 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8458 (pic_load_addr_based_insn): Likewise.
8459 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8462 2006-01-18 Ben Elliston <bje@au.ibm.com>
8464 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8465 decimal float modes for all floating point registers.
8467 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8468 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8470 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8473 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8474 even when the pointer is not NULL.
8476 2006-01-16 Ian Lance Taylor <ian@airs.com>
8478 * common.opt (ftoplevel-reorder): New option.
8479 * cgraph.c (cgraph_asm_nodes): New global variable.
8480 (cgraph_asm_last_node): New static variable.
8481 (cgraph_order): New global variable.
8482 (cgraph_create_node): Set new order field.
8483 (cgraph_varpool_node): Likewise.
8484 (decide_is_variable_needed): Return true if not
8485 flag_toplevel_reorder.
8486 (cgraph_add_asm_node): New function.
8487 * cgraph.h (struct cgraph_node): Add order field.
8488 (struct cgraph_varpool_node): Add order field.
8489 (struct cgraph_asm_node): Define.
8490 (cgraph_asm_nodes, cgraph_order): Declare.
8491 (cgraph_add_asm_node): Declare.
8492 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8494 (cgraph_varpool_assemble_pending_decls): Call it.
8495 (cgraph_output_pending_asms): New static function.
8496 (cgraph_finalize_compilation_unit): Call it.
8497 (struct cgraph_order_sort): Define.
8498 (cgraph_output_in_order): New static function.
8499 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8500 !flag_toplevel_reorder case.
8501 * c-parser.c: Include "cgraph.h".
8502 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8504 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8505 than -fno-unit-at-a-time.
8506 * doc/invoke.texi (Option Summary): Mention
8507 -fno-toplevel-reorder.
8508 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8509 -funit-at-a-time documentation.
8511 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8512 Kazu Hirata <kazu@codesourcery.com>
8514 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8516 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8518 * Makefile.in (FUNCTION_H): New. Use it instead of
8519 function.h throughout the file.
8520 * function.h: Include tree.h.
8522 2006-01-17 Ben Elliston <bje@au.ibm.com>
8524 * recog.c: Separate some functions with whitespace.
8526 2006-01-16 Richard Henderson <rth@redhat.com>
8528 Merge from gomp branch:
8529 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8530 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8531 and rename from struct inline_data. Rename callee* to dst*;
8532 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8533 transform_new_cfg, transform_return_to_modify, and
8534 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8536 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8537 (copy_decl_for_dup): Remove.
8538 * tree-inline.c (struct inline_data): Move to header.
8539 (insert_decl_map): Export.
8540 (remap_decl): Update for member name changes. Use copy_decl hook.
8541 Allow for replacement to be a non-decl. Remove dead code.
8542 (remap_type_1): Check for existing mapping.
8543 (remap_type): Export.
8544 (remap_decls): Update for member name changes.
8545 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8546 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8547 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8548 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8549 (tree_function_versioning, build_duplicate_type): Likewise.
8550 (copy_body_r): Likewise. Export.
8551 (copy_decl_for_dup): Split into ...
8552 (copy_decl_for_dup_finish, copy_decl_to_var,
8553 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8554 (replace_ref_tree, inlining_p): Remove.
8556 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8558 * ifcvt.c (if_convert): Make it static.
8559 * rtl.h: Remove the prototype for if_convert.
8561 * local-alloc.c (local_alloc): Make it static.
8562 * rtl.h: Remove the prototype for local_alloc.
8564 * loop.c (loop_optimize): Make it static.
8565 * cfgloop.h: Remove the prototype for loop_optimize.
8568 2006-01-16 DJ Delorie <dj@redhat.com>
8570 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8573 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8575 * pa.md: Disparage copies between general and floating-point registers
8576 in 32-bit move patterns.
8578 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8581 * Makefile.in (check-%): Depend on site.exp instead of
8582 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8585 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8587 * global.c (global_alloc): Make it static.
8588 * rtl.h: Remove the prototype for global_alloc.
8590 2006-01-16 Richard Guenther <rguenther@suse.de>
8592 * tree-ssa-alias.c (struct used_part): Add write_only field.
8593 (get_or_create_used_part_for): Initialize it to true.
8594 (create_overlap_variables_for): Don't create structure variables
8595 for structures that only are written to.
8596 (find_used_portions): Handle MODIFY_EXPR to track whether a
8597 structure is only written to.
8599 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8601 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8603 * basic-block.h: Remove the prototype for
8604 partition_hot_cold_basic_blocks.
8606 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8608 * cppspec.c (lang_specific_spec_functions): Remove.
8609 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8610 * gcc.h (lang_specific_spec_functions): Remove.
8611 * gccspec.c (lang_specific_spec_functions): Remove.
8613 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8615 * combine.c (record_value_for_reg): Invalidate registers
8617 (record_dead_and_set_regs_1): Likewise, by passing them to
8618 record_value_for_reg.
8619 (record_dead_and_set_regs): Invalidate stores made by a
8620 call. We do not combine across a call, but we still
8621 relied on equivalences.
8623 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8625 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8626 vrp_int_const_binop returning non-constant nodes.
8628 2006-01-16 Paul Brook <paul@codesourcery.com>
8630 * config/m68k/m68k.c (output_move_const_into_data_reg):
8631 Output correct mnemonic for mvz and mvs.
8633 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
8635 * rtl-factoring.c: Add sequence abstraction algorithm.
8636 * cfgcleanup.c (outgoing_edges_match): Extra checks.
8637 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
8639 (block_has_preserve_label): New function.
8640 * common.opt: Register new pass.
8641 * Makefile.in: Ditto.
8643 * timevar.def: Ditto.
8644 * tree-pass.h: Ditto.
8645 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8646 * rtl.h (make_jump_insn_raw): Add forward decl.
8647 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8649 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8650 Roger Sayle <roger@eyesopen.com>
8652 * fold-const.c (fold_minmax): New static function.
8653 (fold_binary) <MIN_EXPR>: Call it.
8654 <MAX_EXPR>: Likewise.
8655 * stor-layout.c (place_field): Use DECL_SIZE consistently
8656 in the computation of the new record size.
8658 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8660 * cse.c (cse_condition_code_reg): Make it static.
8661 * rtl.h: Remove the prototype for cse_condition_code_reg.
8663 * combine.c (combine_instructions): Make it static.
8664 * rtl.h: Remove the prototype for combine_instructions.
8666 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8669 * tree.c (get_file_function_name_long): Concatenate the first global
8670 object name with a string derived from the input filename of the object
8673 2006-01-16 Ben Elliston <bje@au.ibm.com>
8675 * config/i386/winnt-stubs.c: Update FSF address.
8676 * config/xtensa/ieee754-df.S: Ditto.
8677 * config/xtensa/ieee754-sf.S: Ditto.
8679 2006-01-14 Ian Lance Taylor <ian@airs.com>
8681 * ifcvt.c (noce_init_if_info): New static function, broken out of
8682 noce_process_if_block.
8683 (noce_process_if_block): Call noce_init_if_info.
8684 (check_cond_move_block): New static function.
8685 (cond_move_process_if_block): New static function.
8686 (process_if_block): Call cond_move_process_if_block.
8688 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8690 * cselib.c (hash_table): Rename to cselib_hash_table.
8691 (cselib_clear_table, discard_useless_values,
8692 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8693 cselib_init, cselib_finish): Adjust uses of hash_table.
8695 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8697 PR tree-optimization/25485
8698 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8699 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8700 is known to be false and true, respectively.
8702 2006-01-14 Richard Guenther <rguenther@suse.de>
8704 PR tree-optimization/22548
8705 PR tree-optimization/22555
8706 PR tree-optimization/22501
8707 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8708 * params.def (salias-max-array-elements): New parameter.
8709 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8710 * doc/invoke.texi (salias-max-array-elements): Document.
8711 * tree-flow-inline.h (var_can_have_subvars): We also handle
8713 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8715 * tree-ssa-structalias.c (params.h): Include.
8716 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8717 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8718 (get_constraint_for): For ADDR_EXPR operating on something
8719 containing an ARRAY_REF, add all subvars to the solution.
8720 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8721 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8722 for creating MUST_DEFs.
8723 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8725 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8727 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8729 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8730 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8731 number_of_iterations_le): New functions.
8732 (number_of_iterations_special): Removed.
8733 (number_of_iterations_exit): Do not use number_of_iterations_special.
8734 * tree.c (unsigned_type_for): Always return integer type.
8736 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8737 Richard Guenther <rguenther@suse.de>
8739 PR rtl-optimization/24257
8740 * gcse.c (find_moveable_store): Only consider a store movable
8741 when the SET_SRC of the insn can be assigned to a register.
8743 2006-01-14 Ian Lance Taylor <ian@airs.com>
8745 * tree.c (tree_not_class_check_failed): New function.
8746 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8747 (tree_not_class_check_failed): Declare.
8749 2006-01-13 Ian Lance Taylor <ian@airs.com>
8751 * reload1.c (do_output_reload): Add assertion rejecting a
8754 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8756 * combine.c (struct reg_stat): Add new fields truncation_label and
8758 (record_value_for_reg): Reset truncated_to_mode.
8759 (record_truncated_value): New function.
8760 (check_promoted_subreg): Call it. Rename to check_conversions.
8761 (combine_instructions): Rename check_promoted_subreg to
8763 (reg_truncated_to_mode): New function.
8764 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8765 (gen_lowpart_or_truncate): New function.
8766 (force_to_mode): Use it instead of gen_lowpart.
8768 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8770 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8771 VAR is a tag, not its type tag.
8773 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8775 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8776 alternatives to match style of other entries.
8777 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8779 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8781 PR tree-optimization/25771
8782 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8785 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8788 * tree-inline.c (declare_return_variable): If the return variable
8789 was marked as a non gimple complex, set the return slot variable
8790 to be a non gimple comple variable.
8792 2006-01-13 Richard Guenther <rguenther@suse.de>
8794 * builtins.c (expand_builtin_sincos): New function.
8795 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8797 (expand_builtin): Expand sincos using expand_builtin_sincos.
8799 2006-01-12 DJ Delorie <dj@redhat.com>
8801 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8802 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8803 so that constant shifts can be split.
8804 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8805 (m32c_valid_pointer_mode): Make static.
8806 (shift_gen_func_for): New.
8807 (m32c_prepare_shift): Use it. Split large const shifts into
8809 * config/m32c/predicates.md (shiftcount_operand): Allow more
8811 (longshiftcount_operand): New.
8812 * doc/md.texi (Machine Constraints): Document In6.
8814 2006-01-13 Ben Elliston <bje@au.ibm.com>
8816 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8817 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8820 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8822 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8823 to try to avoid clobbering pieces of structures when we know
8824 something about the whole structure.
8825 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8827 2006-01-13 Ben Elliston <bje@au.ibm.com>
8829 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8830 return in memory, as this is no limitation is no longer present.
8832 2006-01-12 DJ Delorie <dj@redhat.com>
8834 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8835 mova with fb, and for fb+0 -> An.
8837 * config/m32c/mov.md (peephole2): Fix enabling logic.
8839 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8840 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8841 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8842 FINI_ARRAY_SECTION_ASM_OP): Define.
8844 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8846 (m32c_legitimize_reload_address): New logic to reload FB to An.
8847 (m32c_output_reg_push): Add newline.
8848 (m32c_output_reg_pop): Likewise.
8850 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8852 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8854 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8856 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8858 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8860 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8863 2006-01-11 Ben Elliston <bje@au.ibm.com>
8865 * rtlanal.c (find_reg_note): Assert insn is not null.
8867 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8869 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8872 2006-01-11 Jeff Law <law@redhat.com>
8874 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8876 (mark_threaded_blocks, register_jump_thread): New functions.
8877 (thread_through_all_blocks): Remove unwanted argument. No
8878 longer rely on e->aux to communicate thread target info.
8879 Call mark_threaded_blocks. Release the threaded_blocks
8880 bitmap and threaded_edges vector when complete.
8881 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8882 (threaded_blocks): Remove.
8883 (tree_ssa_dominator_optimize): Remove initialization and
8884 finalization of threaded_blocks. Simplify call to
8885 thread_through_all_blocks.
8886 (thread_across_edge): Call register_jump_thread rather than
8887 storing thread information into e->aux.
8888 (free_all_edge_infos): Simplify now that e->aux is no longer
8889 used to communicate with thread_through_all_blocks.
8890 * tree-flow.h (thread_through_all_blocks): Update prototype.
8891 (register_jump_thread): Prototype.
8893 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8895 * df-core.c (df_compact_blocks, df_bb_replace): Use
8896 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8898 2006-01-11 Richard Guenther <rguenther@suse.de>
8900 PR tree-optimization/25734
8901 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8902 stop propagation after successful propagation to the LHS.
8904 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8906 * basic-block.h (control_flow_graph): Change the type of
8907 x_basic_block_info to VEC(basic_block,gc) *.
8908 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8910 (SET_BASIC_BLOCK): New.
8911 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8912 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8913 * cfgbuild.c (find_basic_blocks): Likewise.
8914 * cfglayout.c (fixup_reorder_chain): Likewise.
8915 * cfgrtl.c (create_basic_block_structure,
8916 rtl_create_basic_block): Likewise.
8917 * ifcvt.c (find_if_case_1): Likewise.
8918 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8921 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8923 * Makefile.in: Removed rotted odf.c entry.
8925 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8928 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8929 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8930 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8931 output pattern modifier, not %e.
8932 * config/cris/cris.c (cris_op_str): Update comment about pattern
8934 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8935 before falling through into...
8936 <case 'E'>: Redefined from old 'e' case.
8938 2006-01-11 Jan Hubicka <jh@suse.cz>
8941 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8943 2006-01-11 Jan Hubicka <jh@suse.cz>
8945 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8946 * i386.c (x86_decompose_lea): Kill.
8947 (ix86_rtx_costs): Kill.
8949 2006-01-11 Jan Hubicka <jh@suse.cz>
8951 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8952 * cgraph.h (cgraph_node): Add inline_decl.
8953 (cgraph_insert_node_to_hashtable): Declare.
8954 (save_inline_function_body): Declare.
8955 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8957 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8958 (cgraph_function_versioning): Update call of tree_function_versioning.
8959 (save_inline_function_body): New function.
8960 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8961 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8962 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8963 (cgraph_default_inline_p): Likewise.
8964 (cgraph_decide_inlining_incrementally): Likewise.
8965 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8966 (copy_bb): Kill saving; do updating of clones.
8967 (copy_cfg_body): Kill saving.
8968 (initialize_inlined-parameters): Likewise.
8969 (expand_call_inline): Likewise.
8971 (tree_function_versioning): New parameter "update_clones".
8972 (inlining_p): Kill saving.
8973 * tree-inline.h (tree_function_versioning): Update prototype.
8974 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8977 2006-01-11 Ian Lance Taylor <ian@airs.com>
8979 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8980 Allow undoing set of machine mode.
8981 (do_SUBST): Use enums instead of is_int.
8982 (do_SUBST_MODE): New function.
8983 (SUBST_MODE): New macro.
8984 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8985 reg and trying to replace reg_regno_rtx with a new register.
8986 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8987 (simplify_set): Use SUBST_MODE.
8988 (distribute_notes): Remove code that tried to update reg notes
8989 for regno_reg_rtx changes.
8991 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8993 PR tree-optimization/23109
8994 PR tree-optimization/23948
8995 PR tree-optimization/24123
8997 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8998 * tree-cfg.c (single_noncomplex_succ): New.
8999 * tree-flow.h (single_noncomplex_succ): Declare it.
9000 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9001 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9002 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9003 insert_bb, register_division_in, insert_reciprocals,
9004 replace_reciprocal, free_bb): New.
9005 (execute_cse_reciprocals_1): Rewritten.
9006 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9007 Do not commit any edge insertion. Always compute dominators and
9008 create the allocation pool.
9009 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9010 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9011 * targhooks.c (default_min_divistions_for_recip_mul): New.
9012 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9013 * passes.c (init_optimization_passes): Run recip after tree loop
9015 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9017 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9018 Kenneth Zadeck <zadeck@naturalbridge.com>
9020 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9021 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9022 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9023 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9024 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9025 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9026 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9027 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9028 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9029 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9030 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9031 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9032 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9033 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9034 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9035 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9036 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9037 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9038 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9039 DF_SCAN_POST_ALLOC): New macros.
9040 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9041 df_free_bb_function, df_local_compute_function, df_init_function,
9042 df_dataflow_function, df_confluence_function_0,
9043 df_confluence_function_n, df_transfer_function,
9044 df_finalizer_function, df_free_function, df_dump_problem_function,
9045 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9046 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9047 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9048 df_urec_bb_info, ) New types.
9049 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9051 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9052 df_analyze_simple_change_some_blocks,
9053 df_analyze_simple_change_one_block, df_compact_blocks,
9054 df_bb_replace, df_bb_regno_last_use_find,
9055 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9056 df_insn_regno_def_p, df_find_def, df_find_use,
9057 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9058 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9059 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9060 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9061 debug_df_chain, df_get_dependent_problem, df_chain_create,
9062 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9063 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9064 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9065 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9066 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9067 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9068 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9069 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9070 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9071 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9072 df_reorganize_refs, df_set_state, df_hard_reg_init,
9073 df_read_modify_subreg_p) New public functions.
9074 * df-core.c: The core dataflow solver and glue routines for rtl
9076 (df_init, df_add_problem, df_set_blocks, df_finish,
9077 df_hybrid_search_forward, df_hybrid_search_backward,
9078 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9079 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9080 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9081 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9082 df_reg_defined, df_find_use, df_reg_used, df_dump,
9083 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9084 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9085 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9086 debug_df_useno, reset_df_after_reload): New functions.
9087 * df-scan.c: The scanning fuctions, once in df.c, completely
9088 rewritten so that they now fully model the functionality of
9089 register usage at the backend.
9090 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9091 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9092 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9093 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9094 df_get_artificial_defs, df_get_artificial_uses,
9095 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9096 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9097 df_refs_delete, df_reorganize_refs, df_set_state,
9098 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9099 df_def_record_1, df_defs_record, df_uses_record,
9100 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9101 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9102 df_record_exit_block_uses, df_hard_reg_init): New functions.
9104 * df-problems.c: Seven concrete dataflow problems that use the
9105 scanning in df-scan.c and are solved by the engine in df-core.c.
9106 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9107 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9108 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9109 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9110 df_ru_free_bb_info, df_ru_alloc,
9111 df_ru_bb_local_compute_process_def,
9112 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9113 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9114 df_ru_transfer_function, df_ru_free, df_ru_dump,
9115 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9116 df_rd_free_bb_info, df_rd_alloc,
9117 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9118 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9119 df_rd_transfer_function, df_rd_free, df_rd_dump,
9120 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9121 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9122 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9123 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9124 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9125 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9126 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9127 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9128 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9129 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9130 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9131 df_urec_mark_reg_use_for_earlyclobber,
9132 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9133 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9134 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9135 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9136 df_chain_create_bb_process_use, df_chain_create_bb,
9137 df_chain_finalize, df_chain_free, df_chains_dump,
9138 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9139 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9140 df_reg_lifetime): New functions.
9141 * df.c: Deleted file.
9142 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9143 consistent with new df api.
9144 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9145 rest_of_handle_sms): Ditto.
9146 * web.c (unionfind_union, union_defs, entry_register, web_main):
9148 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9149 invariant_expr_equal_p, find_defs, check_dependencies,
9150 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9151 free_inv_motion_data, move_loop_invariants): Ditto.
9152 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9153 Update dependencies.
9154 (odf.c): Added defective entry that was deleted later in day.
9155 * sched-deps.c (sched_analyze_1): Ditto.
9157 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9159 * tree-ssa-operands.c (get_expr_operands): Record addressable
9160 variables directly. Do not call add_stmt_operands for CONST_DECLs
9162 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9163 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9165 2006-01-11 Ben Elliston <bje@au.ibm.com>
9167 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9168 function returns true in the positive case.
9170 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9173 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9174 for SI, DI, SF and DF modes. Add alternatives to copy between
9175 general and floating point registers to the 32-bit patterns.
9176 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9177 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9178 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9179 generating 64-bit code.
9180 * config/pa/pa.c (output_move_double): Handle copies between general
9181 and floating registers.
9183 2006-01-10 Stuart Hastings <stuart@apple.com>
9185 * config/i386/i386.md (set_got): Update.
9186 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9187 (builtin_setjmp_receiver): Mach-O support.
9188 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9189 (GOT_SYMBOL_NAME): Define.
9190 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9191 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9192 * config/i386/i386.c (override_options): Revise for Darwin.
9193 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9194 support. (darwin_x86_file_end): New. (output_set_got): Add label
9195 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9196 * config/i386/i386-protos.h (output_set_got): Likewise.
9197 * config/darwin.c (machopic_legitimize_pic_address): Update
9200 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9202 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9203 when MODE isn't BLKmode.
9205 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9207 PR rtl-optimization/25367
9208 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9210 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9213 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9214 for a negative bound.
9216 2006-01-10 Richard Guenther <rguenther@suse.de>
9218 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9219 Never override with anything constraint.
9221 2006-01-10 Jan Beulich <jbeulich@novell.com>
9223 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9224 256 bits when optimize_size.
9226 2006-01-10 Jan Beulich <jbeulich@novell.com>
9228 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9230 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9231 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9234 2006-01-10 Ben Elliston <bje@au.ibm.com>
9236 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9238 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9239 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9240 (USE_FP_FOR_ARG): Reject decimal float modes.
9241 (function_arg_advance): Likewise.
9242 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9243 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9244 point types in AltiVec vectors.
9245 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9246 (rs6000_libcall_value): Likewise.
9248 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9250 * config/xtensa/ieee754-df.S: New file.
9251 * config/xtensa/ieee754-sf.S: New file.
9252 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9253 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9254 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9256 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9258 * config/sh/predicates.md (binary_float_operator,
9259 binary_logical_operator, commutative_float_operator,
9260 equality_comparison_operator, greater_comparison_operator,
9261 less_comparison_operator, logical_operator,
9262 noncommutative_float_operator, shift_operator,
9263 symbol_ref_operand, unary_float_operator): Remove redundant
9266 2006-01-09 Jeff Law <law@redhat.com>
9268 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9269 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9270 now unused arguments. Callers updated.
9271 (eliminate_redundant_computations): Remove now unused arguments,
9273 (local_fold): Remove, no longer used.
9274 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9276 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9277 (simplify_cond): New function.
9278 (forward_propagate_into_cond): Call simplify_cond.
9280 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9282 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9283 (*vec_extractv2di_1_sse): New.
9285 2006-01-09 Ben Elliston <bje@au.ibm.com>
9287 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9289 2006-01-08 Richard Guenther <rguenther@suse.de>
9291 * tree-ssa-structalias.c (get_constraint_for): Remove
9293 (get_constraint_for_component_ref): Likewise.
9294 (do_deref): Likewise.
9295 (get_constraint_for): Likewise.
9296 (do_structure_copy): Likewise.
9297 (handle_ptr_arith): Likewise.
9298 (find_func_aliases): Likewise. Remove unused need_anyoffset
9301 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9302 Kaz Kojima <kkojima@gcc.gnu.org>
9304 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9305 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9306 (EXTRA_CONSTRAINT_C16): Remove.
9307 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9308 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9309 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9310 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9311 constants of SHmedia. Handle nested constant expressions of
9313 (andcosts): Fix the costs for SHmedia constants.
9314 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9315 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9316 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9317 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9318 (movv4hi_i, movv2si_i): Likewise.
9319 (movsi_const): Adjust the second operand of ior so to match with
9321 (movdi_const, movdi_const_32bit): Likewise.
9322 (movdi_const_16bit+1): Don't sign-extend LOW.
9323 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9325 (*double_shori): Fix the split condition. Use GEN_INT instead
9326 of get_int_mode calls. Mask lower 16-bit of the argument of
9328 (sym2GOTPLT): Remove.
9329 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9331 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9332 instead of EXTRA_CONSTRAINT_C16.
9334 2006-01-07 Ian Lance Taylor <ian@airs.com>
9335 David Edelsohn <edelsohn@gnu.org>
9337 PR rtl-optimization/25662
9338 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9339 for constant operands instead of simplify_gen_binary.
9340 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9341 after trying simplify_binary_operation
9343 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9345 * tree.c (iterative_hash_expr): Hash decls based on UID.
9347 2006-01-06 Eric Christopher <echristo@apple.com>
9349 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9350 (TARGET_UNWIND_EMIT): Fix spelling.
9351 * target.h (gcc_target): Add except_table_label.
9352 * except.c (output_function_exception_table): Use.
9353 * varasm.c (default_emit_except_table_label): New.
9354 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9356 (asm_out): Add here.
9357 * output.h (default_emit_except_table_label): Prototype.
9358 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9359 * config/darwin.c (darwin_emit_except_table_label): Define.
9360 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9362 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9364 PR tree-optimization/18527
9365 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9366 number_of_iterations_special, number_of_iterations_exit):
9367 Move base and step of an iv to a single structure. Add
9368 no_overflow flag, and use it in # of iterations analysis.
9369 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9370 folded_casts argument.
9371 (simple_iv): Pass base and step in a structure. Set no_overflow
9373 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9374 Evaluate expensiveness of computing # of iterations instead of
9375 the final expression.
9376 * tree-scalar-evolution.h (affine_iv): New structure.
9377 (simple_iv): Declaration changed.
9378 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9379 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9380 find_givs_in_stmt): Changed due to simple_iv change.
9382 2006-01-06 Jeff Law <law@redhat.com>
9385 * tree-cfg.c (bsi_replace): Rename final argument from
9386 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9387 change (stmt -> orig_stmt).
9388 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9389 (bsi_remove): Add new argument. Remove EH information
9391 (verify_eh_throw_table_statements): New function.
9392 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9394 * tree-optimize.c (execute_free_cfg_annotations): Verify
9395 the EH throw statement table after removing annotations.
9396 * except.h (verify_eh_throw_table_statements): Prototype.
9397 * tree-flow.h (bsi_remove): Update prototype.
9398 * tree-vrp.c (remove_range_assertions): Add new argument to
9400 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9401 * tree-complex.c (expand_complex_div_wide): Likewise.
9402 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9403 * tree-tailcall.c (eliminate_tailcall): Likewise.
9404 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9405 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9406 * tree-nrv.c (tree_nrv): Likewise.
9407 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9408 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9409 (combine_blocks): Likewise.
9410 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9411 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9412 (cleanup_control_flow): Likewise.
9413 (remove_forwarder_block): Likewise.
9414 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9415 * tree-sra.c (sra_replace): Likewise.
9416 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9417 (forward_propagate_single_use_vars): Likewise.
9418 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9419 * tree-inline.c (expand_call_inline): Likewise.
9420 * tree-vect-transform.c (vect_transform_loop): Likewise.
9421 * tree-outof-ssa.c (rewrite_trees): Likewise.
9422 * tree-cfg.c (make_goto_expr_edges): Likewise.
9423 (cleanup_dead_labels): Likewise.
9424 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
9425 (bsi_move_before, bsi_move_after): Likewise.
9426 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9427 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9429 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9432 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9434 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9435 on non gimple variables. Also add checks at the top for decls and
9437 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9439 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9440 and IMAGPART_EXPR for creating MUST_DEFs.
9441 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9442 and NAME_MEMORY_TAG separately from the DECLs.
9444 2006-01-06 Richard Guenther <rguenther@suse.de>
9446 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9447 annotation, if necessary.
9448 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9449 redundant calls to update_stmt.
9450 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9453 2006-01-05 Richard Henderson <rth@redhat.com>
9455 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9457 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9459 * c-typeck.c: Update copyright date.
9461 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9463 * c-typeck.c (build_c_cast): Always warn when casting
9464 from a pointer to an integer of different size, even if
9465 the node was constant.
9467 2006-01-05 Richard Guenther <rguenther@suse.de>
9469 PR tree-optimization/22555
9470 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9471 if one structure field is an array.
9472 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9473 operands even if we found a subvar, but ignore VOPs in this
9475 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9477 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9479 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9482 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9484 2006-01-05 Richard Guenther <rguenther@suse.de>
9485 Diego Novillo <dnovillo@redhat.com>
9487 * tree-pass.h (TODO_remove_unused_locals): Define.
9488 * gimple-low.c (expand_var_p, remove_useless_vars,
9489 pass_remove_useless_vars): Remove. Update all users.
9490 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9491 (remove_unused_locals): New function.
9492 * tree-flow.h (remove_unused_locals): Declare.
9493 * passes.c (execute_todo): Call remove_unused_locals if
9494 TODO_remove_unused_locals is set.
9495 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9496 * tree-ssa-dce.c (pass_dce): Likewise.
9497 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9499 2006-01-05 Richard Guenther <rguenther@suse.de>
9501 * tree-flow.h (struct fieldoff): Decompose field to
9502 type, size and decl.
9503 * tree-ssa-alias.c (create_sft): Take type as parameter.
9504 (create_overlap_variables_for): Store type, size and decl
9505 in the fieldoff structure.
9506 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9508 (push_fields_onto_fieldstack): Likewise.
9509 (create_variable_info_for): Likewise. Use offset for the
9510 SFT name if the decl is not available.
9512 2006-01-04 Paul Brook <paul@codesourcery.com>
9514 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9516 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9518 * lambda-code.c (can_put_in_inner_loop): Relax
9520 (can_put_after_inner_loop): New function.
9521 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9522 (perfect_nestify): Change to make copies and modify uses.
9524 2006-01-04 Richard Henderson <rth@redhat.com>
9526 Merge from gomp branch:
9527 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9528 via integer constant.
9529 (pragma_lex): Remove.
9530 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9531 rather than parsing it.
9532 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9533 handle_pragma_extern_prefix): Add %< %> quotes.
9534 (registered_pragmas): New.
9535 (c_register_pragma_1): New.
9536 (c_register_pragma): Use it.
9537 (c_register_pragma_with_expansion): Likewise.
9538 (c_invoke_pragma_handler): New.
9539 (init_pragma): Use cpp_register_deferred_pragma directly for
9541 * c-pragma.h (enum pragma_kind): New.
9542 (pragma_handler): New.
9543 (c_invoke_pragma_handler): Declare.
9544 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9546 * c-common.h (c_common_pch_pragma): Update decl.
9547 * Makefile.in (c-parser.o): Update dependencies.
9548 (GTFILES): Add c-pragma.h.
9549 * c-parser.c (struct c_token): Add pragma_kind.
9550 (struct c_parser): Add in_pragma.
9551 (c_lex_one_token): Always initialize keyword and pragma_kind.
9552 Extract data for CPP_PRAGMA.
9553 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9554 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9555 Don't allow CPP_PRAGMA_EOL if in_pragma.
9556 (c_parser_consume_pragma): New.
9557 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9558 (c_parser_skip_to_end_of_parameter): Likewise.
9559 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9560 (c_parser_skip_to_pragma_eol): New.
9561 (c_parser_external_declaration): Handle CPP_PRAGMA.
9562 (c_parser_compound_statement_nostart): Likewise.
9563 (c_parser_statement_after_labels): Likewise.
9564 (c_parser_pragma): New.
9565 (pragma_lex): Likewise.
9566 (c_parser_pragma_pch_preprocess): New.
9567 (c_parser_new): Merge into ...
9568 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9570 2006-01-04 Jeff Law <law@redhat.com>
9573 * tree-cfg.c (bsi_replace): Remove the original statement
9574 from the EH throw statement table.
9576 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9578 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9579 make the prototype extern "C" and add throw ().
9582 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9583 and pos non-negative and pos + len <= 32.
9584 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9585 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9586 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9589 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9590 as well as sizes not multiple of component size.
9593 * function.c (instantiate_expr): New function.
9594 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9595 walk its DECL_VALUE_EXPR with instantiate_expr.
9597 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9598 DW_OP_deref{,_size} if address isn't going to be added.
9600 2006-01-04 Ben Elliston <bje@au.ibm.com>
9602 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9603 * config/fp-bit.c: Likewise.
9605 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9607 * dominance.c: Add comment about why we use DFS numbering
9610 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9611 Richard Henderson <rth@redhat.com>
9613 Merge from gomp-branch:
9614 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9615 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9617 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9619 PR rtl-optimization/25578
9620 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9621 pass a parameter to simplify_shift_const if changing ASHIFTRT
9624 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9626 * builtins.c (get_builtin_sync_mem): New function.
9627 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9628 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9629 Call get_builtin_sync_mem to generate mem rtx.
9631 2006-01-03 Richard Guenther <rguenther@suse.de>
9634 * stmt.c (add_case_node): Make sure to clear overflow flags
9637 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9639 Merge from gomp-branch.
9640 * config/sparc/sync.md: New file.
9641 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9642 UNSPECV_LDSTUB): New constants.
9643 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9644 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9645 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9648 2006-01-03 Roger Sayle <roger@eyesopen.com>
9650 * combine.c (reg_subword_p): New predicate to test whether the
9651 destination of a set refers to a subword/piece of a register.
9652 (try_combine): Generalize the code to merge the setting of a
9653 pseudo to a constant followed by a set of a subword of that
9654 register to a constant.
9656 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9658 * basic-block.h (control_flow_graph): Change the type of
9659 x_label_to_block_map to VEC(basic_block,gc) *.
9660 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9661 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9663 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9664 VEC(basic_block,heap) *.
9665 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9666 ssa_prop_fini): Adjust the uses of cfg_blocks.
9668 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9670 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9672 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9673 hashing trees instead of a pointer hash.
9674 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9675 compare for MEM_EXPR.
9677 PR rtl-optimization/25130
9678 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9679 when comparing MEMs for GCSE
9681 2006-01-03 Ben Elliston <bje@au.ibm.com>
9683 * targhooks.h (default_decimal_float_supported_p): Declare.
9684 * targhooks.c (default_decimal_float_supported_p): Define.
9685 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9686 `default_decimal_float_supported_p'.
9687 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9689 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9691 * combine.c (apply_distributive_law <SUBREG>): Check
9692 TRULY_NOOP_TRUNCATION.
9694 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9696 * dwarf2out.c (have_switched_text_section): Delete.
9697 (have_multiple_function_sections): New.
9698 (have_location_lists): Make 'bool'.
9699 (add_AT_loc_list): Use 'true' not '1'.
9700 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9701 (output_loc_list): Use have_multiple_function_sections.
9702 (output_ranges): Likewise.
9703 (dwarf2out_begin_function): Set have_multiple_function_sections if
9705 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9706 Check function_section rather than DECL_SECTION_NAME.
9707 (dwarf2out_finish): Use have_multiple_function_sections.
9708 Don't clear have_location_lists.
9710 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9711 Jan Hubicka <jh@suse.cz>
9713 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9714 case of conditional jump jumping to the next instruction.
9715 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9716 cases of conditional jump jumping to the next instruction.
9718 2006-01-02 Jan Hubicka <jh@suse.cz>
9720 * i386.c (*_cost): Add COSTS_N_INSNS.
9721 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9723 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9726 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9728 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9730 * config/arm/arm.c (all_fpus): Fix comment typo.
9731 * config/darwin.c: Likewise.
9732 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9733 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9734 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9736 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9738 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9739 (rs6000_split_compare_and_swapqhi): New.
9740 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9741 (sync_compare_and_swapqhi_internal): New.
9742 * config/rs6000/rs6000-protos.h: Declare.