1 2006-04-16 Roger Sayle <roger@eyesopen.com>
4 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5 "A op B" or "A op C", we may need to convert A to the type of B and C.
7 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
9 * target.h (struct gcc_target): Add mode_rep_extended.
10 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
11 (init_num_sign_bit_copies_in_rep): Initialize it using
13 (truncate_to_mode): Use it.
14 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
15 * targhooks.h (default_mode_rep_extended): Declare it.
16 * targhooks.c (default_mode_rep_extended): Define it.
17 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
18 default_mode_rep_extended.
19 (TARGET_INITIALIZER): Include it.
20 * doc/tm.texi (Misc): Document it.
21 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
22 (mips_truncated_to_mode): New function.
24 2006-04-16 Roger Sayle <roger@eyesopen.com>
27 * expr.c (compress_float_constant): Copy the narrow constant into
28 a new pseudo before extending it to its final width.
30 2006-04-16 Roger Sayle <roger@eyesopen.com>
31 Andrew Pinski <pinskia@gcc.gnu.org>
32 Dale Johannesen <dalej@apple.com>
35 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
36 special case code to implement V8HImode and V16QImode with SSE2.
38 2006-04-15 Roger Sayle <roger@eyesopen.com>
40 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
41 trees are constructed with a suitable tree type.
43 2006-04-15 Roger Sayle <roger@eyesopen.com>
45 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
46 (integer_onep): Likewise.
47 (integer_all_onesp): Likewise.
48 (integer_pow2p): Likewise.
49 (integer_nonzerop): Likewise.
50 (real_zerop): Likewise.
51 (real_onep): Likewise.
52 (real_twop): Likewise.
53 (real_minus_onep): Likewise.
54 (int_size_in_bytes): Likewise.
55 (host_integerp): Likewise.
57 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
59 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
60 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
61 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
63 * tree-ssa-structalias.h (alias_info): Remove num_references.
65 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
67 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
68 (output_bvb patterns): Likewise.
69 * pa.c (output_bb): Use 'bb' insn for long branch case.
70 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
71 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
72 1. Correct length operand for alternatives 1 and 2.
73 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
74 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
76 2006-04-14 Roger Sayle <roger@eyesopen.com>
78 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
79 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
80 were accidentally reverted by r112959.
82 2006-04-15 Jakub Jelinek <jakub@redhat.com>
85 * except.h (eh_region_outermost): New prototype.
86 * except.c (eh_region_outermost): New function.
87 * tree-cfg.c (find_outermost_region_in_block): Use it.
89 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
91 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
93 * reload1.c (reg_equiv_memory_loc_varray): Rename to
94 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
95 (init_reload, reload): Use VEC instead of VARRAY.
96 * reload.h: Update the prototype for
97 reg_equiv_memory_loc_varray.
99 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
100 Eric Botcazou <ebotcazou@libertysurf.fr>
102 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
105 2005-04-13 Uros Bizjak <uros@kss-loka.si>
108 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
109 to expand fallback builtin function call.
111 2006-04-14 Alan Modra <amodra@bigpond.net.au>
114 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
115 and emit libcall here in case the builtin fails.
116 (expand_builtin_strcmp): Always emit the libcall here on failure.
118 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
120 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
121 * flow.c (reg_n_info): Change the type to
122 VEC(reg_info_p,heap) *.
123 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
125 * regs.h (reg_info_p): New.
126 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
127 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
128 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
131 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
133 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
135 * params.h (MAX_SCHED_READY_INSNS): New macro.
136 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
137 past MAX_SCHED_READY_INSNS during the first scheduling pass.
138 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
139 the ready list for 1 cycle during the first scheduling pass.
140 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
142 2006-04-13 Richard Henderson <rth@redhat.com>
145 * gimple-low.c (lower_omp_directive): Remove dead code.
146 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
147 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
148 * omp-low.c (struct omp_region): Move to tree-flow.h.
149 (root_omp_region): Export.
150 (omp_regions, lookup_omp_region): Remove.
151 (determine_parallel_type): Update for struct omp_region changes.
152 (dump_omp_region): Dump regions with block numbers.
153 (new_omp_region): Take type and block instead of stmt; malloc
155 (free_omp_region_1, free_omp_regions): New.
156 (expand_parallel_call): Take entry_stmt as argument; update for
157 changes to omp_region.
158 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
159 (remove_exit_barriers): New.
160 (expand_omp_parallel): Update for struct omp_region changes.
161 (expand_omp_synch): Likewise.
162 (expand_omp): Likewise.
163 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
164 (expand_omp_for_static_chunk): Likewise.
165 (expand_omp_for): Likewise.
166 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
167 (expand_omp_sections): Similarly, with GOMP_sections_end.
168 (expand_omp_single): New.
169 (build_omp_regions_1): Update for OMP_CONTINUE.
170 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
171 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
172 OMP_SECTIONS_SECTIONS.
173 (lower_omp_single_simple): Don't emit barrier here.
174 (lower_omp_single_copy): Likewise.
175 (lower_omp_single): Fix bindings, and lower to straightline now.
176 (lower_omp_master, lower_omp_ordered): Likewise.
177 (lower_omp_critical): Likewise.
178 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
179 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
180 omp edges, free it afterward.
181 (make_omp_sections_edges): Remove.
182 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
183 (move_stmt_r): Handle OMP_CONTINUE.
184 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
185 statement pointers to basic blocks. Add type member.
186 (root_omp_region, new_omp_region, free_omp_regions): Declare.
187 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
188 * tree-inline.c (estimate_num_insns_1): Likewise.
189 * tree-pretty-print.c (dump_generic_node): Likewise.
190 * tree-ssa-operands.c (get_expr_operands): Likewise.
191 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
192 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
194 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
195 (OMP_SECTIONS_SECTIONS): Remove.
196 (OMP_SECTION_LAST): New.
197 (OMP_RETURN_NOWAIT): New.
199 2006-04-13 Roger Sayle <roger@eyesopen.com>
201 * fold-const.c (native_encode_vector, native_interpret_real):
202 Correct obvious mistakes in the previous check-in.
204 2006-04-13 Roger Sayle <roger@eyesopen.com>
206 * fold-const.c (native_encode_expr): New function to encode
207 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
208 or VECTOR_CST into a specified buffer.
209 (native_encode_int): New function.
210 (native_encode_real): New function.
211 (native_encode_complex): New function.
212 (native_encode_vector): New function.
213 (native_interpret_expr): Inverse of native_encode_expr to convert
214 a target representation into an INTEGER_CST, REAL_CST etc...
215 (native_interpret_int): New function.
216 (native_interpret_real): New function.
217 (native_interpret_complex): New function.
218 (native_interpret_vector): New function.
219 (fold_view_convert_expr): New function to constant fold/evaluate
220 a VIEW_CONVERT_EXPR of a suitable constant expression.
221 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
222 Change call of build1 to fold_build1 when constructing a
225 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
226 Ulrich Weigand <uweigand@de.ibm.com>
229 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
232 2006-04-13 Alan Modra <amodra@bigpond.net.au>
235 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
236 optimize to lo_sum for DFmode if !TARGET_FPRS.
238 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
240 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
241 delete_alias_info, compute_flow_sensitive_aliasing,
242 group_aliases): Use VEC instead of VARRAY.
243 * tree-ssa-structalias.c (update_alias_info): Likewise.
244 * tree-ssa-structalias.h (alias_info): Change the type of
245 processed_ptrs to VEC(tree,heap) *.
247 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
250 * config/sh/lib1funcs.h: New file, broken out of:
251 * config/sh/lib1funcs.asm.
252 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
254 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
255 * config/sh/lib1funcs-Os-4-200.asm: New file.
256 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
257 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
258 (EXTRA_MULTILIB_PARTS): Include it.
259 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
260 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
261 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
262 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
265 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
267 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
268 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
269 tpa_compact, root_var_init, type_var_init): Use VEC instead of
271 * tree-ssa-live.h: Include vecprim.h.
272 (tree_partition_associator_d): Change the type of
273 first_partition to VEC(int,heap) *.
274 (tpa_first_partition): Use VEC instead of VARRAY.
276 * Makefile.in (GTFILES): Move functions.h after tree.h.
277 * function.c (reset_block_changes, record_block_change,
278 check_block_change, free_block_changes): Use VEC instead of
280 * function.h (function): Change the type of
281 ib_boundaries_block to VEC(tree,gc) *.
282 * tree-inline.c (copy_cfg_body): Initialize
283 ib_boundaries_block to NULL instead of (varray_type) 0.
285 2006-04-12 Roger Sayle <roger@eyesopen.com>
287 * expr.c (emit_group_store): Correct operand order in call to
288 subreg_lowpart_offset. Always create paradoxical SUBREGs with
289 a SUBREG_BYTE of zero.
291 2006-04-12 Richard Guenther <rguenther@suse.de>
293 * profile.c (compute_branch_probabilities): Remove code
294 encapsulated in !ir_type (), which are remanents of the
295 removed RTL profiling code.
296 * rtl-profile.c: Remove.
298 2006-04-12 Alan Modra <amodra@bigpond.net.au>
300 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
301 magic NULL_RTX comment.
302 (function_arg): Store entire fp arg to mem if any part should go
304 (rs6000_arg_partial_bytes): Adjust for above change.
306 2006-04-11 Roger Sayle <roger@eyesopen.com>
308 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
309 if it hasn't been initialized by dwarf2out_init.
311 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
313 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
314 symbolic constants in branch patterns.
316 2006-04-11 Roger Sayle <roger@eyesopen.com>
318 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
320 2006-04-11 Richard Sandiford <richard@codesourcery.com>
322 PR rtl-optimization/27073
323 * gcse.c (try_replace_reg): Revert last change. Continue to search
324 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
327 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
329 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
330 aggregate types other than record and union types.
331 (function_arg): Likewise.
332 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
334 (function_value): In 64-bit mode, return objects that require it
337 2006-04-11 Roger Sayle <roger@eyesopen.com>
339 * dwarf2out.c (premark_used_types): Remove problematic prototype.
341 2006-04-11 Jakub Jelinek <jakub@redhat.com>
343 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
345 2006-04-03 Jeff Law <law@redhat.com>
348 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
349 alias information too.
351 2006-04-10 Mike Frysinger <vapier@gentoo.org>
353 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
355 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
358 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
359 (premark_used_types_helper): New.
360 (premark_used_types): New.
361 (gen_subprogram_die): Call premark_used_types.
362 (prune_unused_types_walk): Do not prune perennial dies.
363 * function.c (used_types_insert): New.
364 * function.h (struct function): Add used_types_hash field.
365 (used_types_insert): Add prototype.
366 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
367 * c-parser.c (c_parser_cast_expression): Save casted types in used
370 2006-04-11 Mark Mitchell <mark@codesourcery.com>
373 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
374 rs6000_explicit_options.float_gprs.
376 2006-04-10 Roger Sayle <roger@eyesopen.com>
378 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
379 from ix86_expand_vector_init_low_nonzero. Take an additional
380 one_var argument indicating which element is non-zero. Support
381 one_var != 0 for V4SFmode and V4SImode by permuting the result.
382 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
383 with one_var instead of ix86_expand_vector_init_low_nonzero.
385 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
387 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
388 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
389 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
390 build/genextract.o): Depend on vecprim.h.
391 * cfglayout.c, df-problems.c, function.c, genextract.c,
392 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
393 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
397 2006-04-10 Geoffrey Keating <geoffk@apple.com>
399 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
400 Declare VECs of this type.
401 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
402 (remove_children): Delete.
403 (add_dwarf_attr): Use VEC routines.
404 (add_AT_flag): Update for changes to add_dwarf_attr.
405 (add_AT_int): Likewise.
406 (add_AT_unsigned): Likewise.
407 (add_AT_long_long): Likewise.
408 (add_AT_vec): Likewise.
409 (add_AT_string): Likewise.
410 (add_AT_die_ref): Likewise.
411 (add_AT_fde_ref): Likewise.
412 (add_AT_loc): Likewise.
413 (add_AT_loc_list): Likewise.
414 (add_AT_addr): Likewise.
415 (add_AT_lbl_id): Likewise.
416 (add_AT_lineptr): Likewise.
417 (add_AT_macptr): Likewise.
418 (add_AT_offset): Likewise.
419 (add_AT_range_list): Likewise.
420 (get_AT): Use VEC_iterate.
421 (remove_AT): Use VEC_ordered_remove.
422 (free_die): Fold remove_children into here; have it use VEC_iterate.
423 (print_die): Use VEC_iterate on attrs.
424 (reverse_die_lists): Don't reverse attr lists.
425 (die_checksum): Use VEC_iterate on attrs.
426 (same_die_p): Likewise.
427 (output_location_lists): Likewise.
428 (build_abbrev_table): Likewise.
429 (size_of_die): Likewise.
430 (unmark_all_dies): Likewise.
431 (output_abbrev_section): Likewise.
432 (output_die): Likewise.
433 (prune_unused_types_walk_attribs): Likewise.
435 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
437 * doc/install.texi (*-*-solaris2*): Point to the configure page.
439 2006-04-10 Jakub Jelinek <jakub@redhat.com>
442 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
444 2006-04-09 Roger Sayle <roger@eyesopen.com>
446 * expr.c (store_constructor): Don't bother clearing target if
447 we're about to assign a vector to it using vec_init_optab.
449 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
451 * tree-ssa-alias.c (lhs_may_store_to): New function.
452 (recalculate_used_alone): Handle LHS of calls.
454 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
458 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
459 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
460 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
461 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
462 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
463 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
464 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
465 stubs. Add ".align 8" directives before all ".dword" directives.
466 (GTHREAD_USE_WEAK): Revise comment.
467 (TARGET_ATTRIBUTE_WEAK): Define.
468 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
469 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
470 * stublib.c: New file.
475 * pa.md (cbranch patterns): Revise arguments used in calls to
476 output_cbranch, output_bb and output_bvd. Add long branch length
478 (fbranch patterns): Handle long branches.
479 (jump): Revise length check. Revise arguments for output_lbranch call.
480 Add long branch length attributes.
481 (decrement_and_branch_until_zero): Add long branch length attributes.
482 (output_movb, output_parallel_addb and output_parallel_movb patterns):
483 Likewise. Revise arguments for output_parallel_addb and
484 output_parallel_movb calls.
485 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
486 output_parallel_movb and output_parallel_addb): Update prototypes.
487 * pa.c (output_cbranch): Revise arguments. Correct handling of
488 nullification in long branches.
489 (output_lbranch): Add new argument to control extraction of delay
491 (output_bb): Handle long branches.
492 (output_bvb, output_dbra, output_movb, output_parallel_movb,
493 output_parallel_addb): Likewise.
495 2006-04-09 Richard Sandiford <richard@codesourcery.com>
497 PR rtl-optimization/27073
498 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
501 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
503 * tree.h (tree_memory_tag): Add old_used_alone.
504 (SMT_OLD_USED_ALONE): New macro.
505 * tree-ssa-alias.c (recalculate_used_alone): Stop
506 marking things for renaming unnecessarily.
508 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
510 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
511 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
512 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
513 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
514 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
515 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
516 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
517 spelling convensions.
518 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
519 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
520 typos. Follow spelling conventions.
522 2006-04-07 DJ Delorie <dj@redhat.com>
524 * config/m32c/m32c.c (m32c_function_arg): Structures are always
526 (m32c_init_cumulative_args): When a function returns a structure,
527 always pass the pointer to that return area on the stack.
528 (m32c_function_arg_advance): Don't increment the parameter number
529 if we're processing the returned structure pointer.
530 (pushm_info): Reverse order of registers.
532 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
534 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
535 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
536 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
537 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
539 * tree-chrec.c (chrec_fold_multiply_poly_poly,
540 chrec_fold_multiply): Same.
541 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
542 force_expr_to_var_cost): Same.
543 * tree-mudflap.c (mf_xform_derefs_1): Same.
544 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
546 2006-04-07 David Edelsohn <edelsohn@gnu.org>
548 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
549 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
552 2006-04-07 Jan Hubicka <jh@suse.cz>
554 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
556 2006-04-07 Richard Guenther <rguenther@suse.de>
558 PR tree-optimization/26135
559 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
560 loads for store copy-prop.
561 (copy_prop_visit_stmt): Likewise.
563 2006-04-05 Robert Millan <robertmh@gnu.org>
565 * gcc/config/i386/linux.h: Add a comment to mark macros that are
566 being overriden in config/k*bsd-gnu.h.
567 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
569 * gcc/config/knetbsd-gnu.h: Ditto.
571 2006-04-06 Jan Hubicka <jh@suse.cz>
575 * coverage.c (coverage_checksum_string): Reorganize loop to not read
578 2006-04-06 Mike Stump <mrs@apple.com>
580 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
581 for HAVE_nonlocal_goto to be consistent.
582 (expand_builtin_nonlocal_goto): Likewise.
583 (expand_builtin_strcmp): Use #ifdef instead of #if
584 for HAVE_cmpstrnsi to be consistent.
586 2006-04-05 DJ Delorie <dj@redhat.com>
588 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
591 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
593 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
594 got-relative addressing for anything but SImode.
596 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
597 even if the calling function doesn't modify them.
599 2006-04-05 Richard Guenther <rguenther@suse.de>
601 PR tree-optimization/26919
602 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
603 to cgraph_estimate_size_after_inlining.
605 2006-04-05 Alan Modra <amodra@bigpond.net.au>
607 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
609 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
611 PR tree-optimization/26996
612 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
613 VECTOR_TYPE variables.
615 2006-04-05 Richard Guenther <rguenther@suse.de>
617 PR tree-optimization/26763
618 * fold-const.c (fold_comparison): Move folding of
619 PTR + CST CMP PTR + CST ...
620 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
622 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
624 * doc/install.texi (Prerequisites): Refine some wording on
625 bootstrapping and ksh.
626 Move the version numbers of DejaGnu here from the testing section
627 and fix casing of names.
628 Fix markup and clarify wording for autogen requirements.
629 Refer to GCJ instead of just java.
630 Refer to SVN instead of CVS.
631 Describe diffutils as useful instead of necessary.
632 (Downloading the source): Refer to SVN instead of CVS.
633 Adjust a link to our web site accordingly.
634 (Configuration): Fix casing of Bison.
635 (Building): Refer to SVN instead of CVS.
636 Fix a sentence on the use of Bison and remove duplicate (and
637 incorrect) version number of Bison requirement.
638 Remove one redundant list of packages needed for building.
639 (Specific): Avoid reference to CVS.
641 2006-04-04 Eric Christopher <echristo@apple.com>
643 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
644 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
645 (rs6000_handle_struct_attribute): New.
646 (rs6000_ms_bitfield_layout_p): Ditto.
648 2006-04-04 Geoffrey Keating <geoffk@apple.com>
650 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
651 NULL for dso parameter to atexit_common.
653 2006-04-04 Eric Christopher <echristo@apple.com>
655 * config/i386/i386.c (machopic_output_stub): Output \t
656 between instructions and operands.
658 2006-04-04 David Edelsohn <edelsohn@gnu.org>
660 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
661 satisfies_constraint_[IL] to explicit tests on value.
663 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
665 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
666 set_nb_iterations_in_loop): Use build_int_cst instead of
668 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
669 build_int_cst instead of convert.
671 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
673 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
674 new value 2 for incoming.
675 * function.c (expand_function_start): Call struct_value_rtx
677 * config/sparc/sparc.md: Comment updated_return.
678 * config/sparc/sparc.opt: Add -mstd-struct-return option.
679 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
680 struct return if sparc_std_struct_return and incoming is 2.
681 (print_operand): Do not adjust return if
682 sparc_std_struct_return.
684 2006-04-04 Roger Sayle <roger@eyesopen.com>
686 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
687 convert in the middle-end.
688 * expr.c (store_expr, store_constructor, get_inner_reference,
689 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
691 * tree.c (build_range_type): Likewise.
693 2006-04-04 Tom Tromey <tromey@redhat.com>
695 * doc/install.texi (Prerequisites): Mention jar.
697 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
699 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
702 2006-04-04 Matthias Klose <doko@debian.org>
704 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
706 2006-04-03 Geoffrey Keating <geoffk@apple.com>
708 * doc/extend.texi (Function Attributes): Rewrite visibility
709 attribute documentation.
710 * doc/invoke.texi (C++ Dialect Options): Rewrite
711 -fvisibility-inlines-hidden documentation to describe something
712 entirely different, although in practise compatible.
713 (Code Gen Options): Warn about system headers in -fvisibiltity=
716 * doc/extend.texi (Other Builtins): Document that
717 __builtin_nan is a compile-time constant only when its argument
720 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
722 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
723 trying to remove TRUNCATE check if all bits outside the new mode
724 are identical to the sign bit.
726 2006-04-03 Jeff Law <law@redhat.com>
728 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
729 and operand scanning in some common cases.
731 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
732 Dale Johannesen <dalej@apple.com>
735 * regclass.c (struct reg_pref): Update documentation.
736 (regclass): Set prefclass to NO_REGS if memory is the best option.
737 (record_reg_classes): Cope with a prefclass set to NO_REGS.
738 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
739 into account. For non-registers, equate an empty preferred
740 reload class to a `!' in the constraint; move the if clause to
741 do so after those that reject the insn.
742 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
744 (find_dummy_reload): Likewise.
745 * doc/tm.texi (Register Classes): Document what it means
746 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
747 * config/i386/i386.c (ix86_preferred_reload_class): Force
748 using SSE registers (and return NO_REGS for floating-point
749 constants) if math is done with SSE.
750 (ix86_preferred_output_reload_class): New.
751 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
752 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
753 * config/i386/i386.md: Remove # register preferences.
755 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
758 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
759 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
761 (instantiate_parameters_1): Convert the operands before calling
762 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
763 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
765 2006-04-02 Roger Sayle <roger@eyesopen.com>
767 * builtins.c (dummy_object): Use build_int_cst instead of convert.
768 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
770 * dojump.c (do_jump): Likewise.
771 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
772 * gimplify.c (gimple_boolify, gimplify_init_constructor,
773 gimplify_boolean_expr): Likewise.
774 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
775 * varasm.c (array_size_for_constructor): Likewise.
776 * tree-object-size.c (compute_object_offset): Likewise.
778 2006-04-02 Roger Sayle <roger@eyesopen.com>
781 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
782 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
784 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
786 PR tree-optimization/26939
787 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
789 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
791 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
792 at_stmt. Convert the type of operands before calling
793 build_polynomial_chrec.
794 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
796 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
797 (instantiate_parameters_1): Convert the type of operands before calling
798 build_polynomial_chrec.
799 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
800 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
801 reset_evolution_in_loop): Insert asserts to check the types of the
803 (chrec_type): Moved...
804 (eq_evolutions_p): Use operand_equal_p.
805 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
806 the types of the operands.
807 (chrec_type): ...here.
808 * tree-data-ref.c (create_data_ref): Convert the operands before
809 calling chrec_replace_initial_condition.
810 (same_access_functions, analyze_subscript_affine_affine,
811 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
812 (compute_subscript_distance, analyze_ziv_subscript,
813 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
814 analyze_miv_subscript): Convert the operands before calling
815 chrec_fold_minus or chrec_fold_plus.
817 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
819 * tree-data-ref.c (compute_all_dependences): Use a pointer to
820 the dependence_relations vector.
821 (compute_data_dependences_for_loop): Adjust call to
822 compute_all_dependences.
824 2006-04-01 Roger Sayle <roger@eyesopen.com>
825 Richard Henderson <rth@redhat.com>
827 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
828 gimple_boolify on the condition before calling gimplify_expr.
830 2006-03-31 Bob Wilson <bob.wilson@acm.org>
832 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
833 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
834 the frame size. Update to use the new macros.
835 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
836 * config/xtensa/ieee754-df.S: Likewise.
838 2006-03-31 Richard Henderson <rth@redhat.com>
840 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
841 (make_edges): ... here. Control fallthru creation with a local
842 variable. Do not play with fake edges.
843 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
844 (make_goto_expr_edges): Don't play with fake edges. Make for_call
847 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
849 * dwarf2.h (DW64_CIE_ID): Define.
850 * dwarf2out.c (DWARF_CIE_ID): Define.
851 (output_call_frame_info): Output 0xffffffff before standard 8-byte
852 length header. Use DWARF_CIE_ID.
853 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
854 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
856 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
858 * config/sh/linux-atomic.asm: New file.
859 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
861 2006-03-31 DJ Delorie <dj@redhat.com>
863 * config/m32c/cond.md: Set condition flags properly throughout.
864 * config/m32c/minmax.md: Likewise.
865 * config/m32c/prologue.md: Likewise.
866 * config/m32c/bitops.md: Likewise.
867 * config/m32c/muldiv.md: Likewise.
868 * config/m32c/mov.md: Likewise.
869 * config/m32c/addsub.md: Likewise.
870 * config/m32c/m32c.md: Likewise.
871 * config/m32c/jump.md: Likewise.
872 * config/m32c/shift.md: Likewise.
874 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
875 conditionally output the pattern for this.
876 * config/m32c/m32c.c (flags_needed_for_conditional): New.
877 (m32c_compare_redundant): New.
878 (m32c_output_compare): New.
879 * config/m32c/m32c-protos.h (m32c_output_compare): New.
881 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
882 dest, not src. Allow other 4-byte modes.
884 2006-03-30 Denis Chertykov <denisc@overta.ru>
886 * doc/md.texi: Refer to avr/constraints.md instead of
889 2006-03-30 Roger Sayle <roger@eyesopen.com>
891 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
892 signed vs. unsigned comparison failures on some hosts.
894 2006-03-31 Alan Modra <amodra@bigpond.net.au>
897 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
898 change to FLOAT_REGS.
900 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
901 (rs6000_override_options): Use it.
902 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
903 only for -mabi=spe/no-spe and -mabi=altivec.
905 2006-03-30 Geoffrey Keating <geoffk@apple.com>
907 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
910 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
912 * Makefile.in: Rename docdir to gcc_docdir.
914 2006-03-30 Roger Sayle <roger@eyesopen.com>
917 * expr.c (emit_group_store): Optimize group stores into a pseudo
918 register by using a paradoxical subreg to initialize the destination
919 if the first or last member of the group specifies a "low part".
921 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
924 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
925 * target.h (struct gcc_target.speculate_insn): Change type of the
926 second parameter to 'int'.
927 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
928 the second operand of the DEPS_LIST.
929 (copy_DEPS_LIST_list): Update reference to the second operand of the
931 * rtl.h (alloc_DEPS_LIST): Update signature.
932 * sched-int.h (ds_t): Change typedef to 'int'.
933 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
935 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
937 * haifa-sched.c (try_ready): Change condition to restore
938 non-speculative pattern of the instruction.
939 (process_insn_depend_be_in_spec): Code to keep probability of the
940 speculative dependence non-decreasing.
942 2006-03-30 Jie Zhang <jie.zhang@analog.com>
944 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
945 (single_move_for_movmem): ... this. Also change all uses.
946 (bfin_expand_strmov): Renamed to...
947 (bfin_expand_movmem): ... this. Also change all uses.
948 * config/bfin/bfin.md (movstrsi): Renamed to...
951 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
953 PR tree-optimization/26830
955 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
956 (copy_prop_visit_stmt): Remove write-only variable ann.
957 (init_copy_prop): Check variable loop depth here. Do not simulate
958 memory-tag and virtual operand PHIs except for store copy prop.
960 2006-03-30 Richard Guenther <rguenther@suse.de>
962 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
963 variants with double arguments.
965 2006-03-29 David Edelsohn <edelsohn@gnu.org>
967 * genpreds.c (write_tm_constrs_h): Delete variable p.
968 * genconditions.c (write_header): Add tm-constrs.h to included
970 * genpeep.c (main): Add toplev.h to included headers.
971 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
972 (build/genpeep.o): Add toplev.h dependency.
973 * config/rs6000/constraints.md: Add "W" constraint.
975 2006-03-29 Roger Sayle <roger@eyesopen.com>
977 * stor-layout.c (mode_for_size_tree): Remove restiction on type
978 sizes by correctly testing whether the size fits a host integer.
979 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
980 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
981 SImode range for the default sizetype and bitsizetype.
983 2006-03-29 Roger Sayle <roger@eyesopen.com>
985 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
986 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
987 quickly if the argument is already of the correct type.
988 Call fold_build1 instead of build1. Tidy up blank lines.
990 2006-03-29 David Edelsohn <edelsohn@gnu.org>
992 * genemit.c (main): Add tm-constrs.h to included headers.
993 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
994 * genpeep.c (main): Add tm-constrs.h to included headers.
995 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
996 (write_tm_constrs_h): this and write complete file.
997 (write_tm_preds_h): Do not emit satisfies_constraint fns.
998 (write_insn_preds_c): Add tm-constrs.h to included headers.
999 (gen_constrs): New variable.
1000 (parse_option): Parse "-c".
1001 (main): Invoke write_tm_constrs_h.
1002 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1003 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1004 (object_out_file): Add tm-constrs.h dependency.
1005 (insn-emit.o): Same.
1006 (insn-output.o): Same.
1007 (insn-peep.o): Same.
1008 (insn-preds.o): Same.
1009 (insn-recog.o): Same.
1010 (tm-constsr.h): New target.
1011 (s-constrs-h): New target.
1013 * config/rs6000/constraints.md: New file.
1014 * config/rs6000/rs6000.c: Include tm-constrs.h.
1015 (num_insn_constant_wide): Convert to satisfies_constraint.
1016 (rs6000_rtx_costs): Convert to satisfies_constraint.
1017 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1018 (CONST_OK_FOR_LETTER_P): Delete.
1019 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1020 (EXTRA_CONSTRAINT): Delete.
1021 (EXTRA_MEMORY_CONSTRAINT): Delete.
1022 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1023 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1024 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1025 satisfies_constraint.
1027 * config/i386/i386.c: Include tm-constrs.h.
1029 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1031 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1032 * tree-data-ref.c (find_data_references_in_loop,
1033 compute_data_dependences_for_loop): Use pointers to VEC.
1034 (analyze_all_data_dependences): Adjust calls.
1035 * tree-data-ref.h (find_data_references_in_loop,
1036 compute_data_dependences_for_loop): Adjust declarations.
1037 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1038 compute_data_dependences_for_loop.
1040 2006-03-29 Paul Brook <paul@codesourcery.com>
1042 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1045 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1047 PR tree-optimization/26859
1048 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1050 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1051 for the step after fold_convert.
1053 2006-03-29 Paul Brook <paul@codesourcery.com>
1055 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1056 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1058 2006-03-29 Paul Brook <paul@codesourcery.com>
1061 * targhooks.c (default_narrow_bitfield): New fuction.
1062 * targhooks.h (default_narrow_bitfield): add prototype.
1063 * target.h (gcc_target): Add narrow_volatile_bitfield.
1064 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1065 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1066 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1067 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1069 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1071 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1073 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1074 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1075 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1076 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1077 (s390_function_arg_float): Allow SDmode and DDmode values to be
1078 passed in floating point registers.
1079 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1080 check with SCALAR_FLOAT_MODE_P.
1081 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1083 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1085 PR tree-optimization/25985
1086 * tree-ssa-loop-niter.c (number_of_iterations_le,
1087 number_of_iterations_ne): Make comments more precise.
1088 (number_of_iterations_cond): Add only_exit argument. Use the
1089 fact that signed variables do not overflow only when only_exit
1091 (loop_only_exit_p): New.
1092 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1093 number_of_iterations_cond.
1095 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1097 PR tree-optimization/26643
1098 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1101 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1103 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1104 (divsi3_i4_int): Likewise.
1106 2006-03-28 Roger Sayle <roger@eyesopen.com>
1108 * expr.c (emit_group_store): Only create a new pseudo reg if the
1109 quantity it needs to hold isn't already a suitable pseudo.
1111 2006-03-28 Jeff Law <law@redhat.com>
1113 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1114 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1116 2006-03-28 Roger Sayle <roger@eyesopen.com>
1118 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1119 the equivalent ~X & Y, and the symmetry related transformations.
1120 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1121 ~X & Y, and symmetry related transforms.
1123 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1125 Revert my 2006-03-27 patches.
1127 2006-03-28 Roger Sayle <roger@eyesopen.com>
1129 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1130 ~(T1)X, when T1 and T2 are integer types of the same precision
1131 and (T2)X isn't an extension.
1133 2006-03-28 Jeff Law <law@redhat.com>
1135 PR tree-optimization/26796
1136 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1137 need EH edge cleanups rather than purging them immediately.
1138 (eliminate_degenerate_phis): Handle queued EH cleanups.
1140 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1142 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1145 2006-03-27 Roger Sayle <roger@eyesopen.com>
1148 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1149 cast BIT_NOT_EXPR operand to the correct type.
1151 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1153 * tree-loop-linear.c: Don't include varray.h.
1154 (gather_interchange_stats, try_interchange_loops,
1155 linear_transform_loops): Use VEC instead of VARRAY.
1156 * lambda-mat.c: Don't include varray.h.
1157 * tree-chrec.c: Same.
1158 * lambda-trans.c: Same.
1159 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1160 VEC instead of VARRAY.
1161 * tree-vectorizer.h: Idem.
1162 * tree-data-ref.c (dump_data_references,
1163 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1164 initialize_data_dependence_relation, finalize_ddr_dependent,
1165 compute_all_dependences, find_data_references_in_loop,
1166 compute_data_dependences_for_loop, analyze_all_data_dependences,
1167 free_dependence_relation, free_dependence_relations,
1168 free_data_refs): Idem.
1169 * tree-data-ref.h (data_reference_p, subscript_p): New.
1170 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1171 VEC instead of VARRAY.
1172 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1173 (find_data_references_in_loop, compute_data_dependences_for_loop,
1174 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1175 dump_data_dependence_relations, free_dependence_relations,
1176 free_data_refs): Adjust declaration.
1177 (lambda_transform_legal_p): Move declaration here...
1178 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1179 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1180 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1181 vect_analyze_data_refs): Use VEC instead of VARRAY.
1182 * lambda.h (lambda_transform_legal_p): ...from here.
1183 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1184 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1185 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1186 tree-chrec.o): Don't depend on VARRAY_H.
1188 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1190 * rtl.def (Copyright): Update date.
1191 (DEPS_LIST): Change type of the second operand to 'int'.
1192 * target.h (Copyright): Update date.
1193 (struct gcc_target.speculate_insn): Change type of the second parameter
1195 * lists.c (Copyright): Update date.
1196 (alloc_DEPS_LIST): Change signature. Update reference to the second
1197 operand of the DEPS_LIST.
1198 (copy_DEPS_LIST_list): Update reference to the second operand of the
1200 * rtl.h (Copyright): Update date.
1201 (alloc_DEPS_LIST): Update signature.
1202 * sched-int.h (Copyright): Update date.
1203 (ds_t): Change typedef to 'int'.
1204 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1206 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1208 * haifa-sched.c (Copyright): Update date.
1209 (try_ready): Change condition to restore non-speculative pattern
1211 (process_insn_depend_be_in_spec): Code to keep probability of the
1212 speculative dependence non-decreasing.
1214 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1216 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1217 shut up the compiler.
1219 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1221 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1222 to use lib prefix for target.
1223 ($(T)libic_invalidate_array_4-200.a): Likewise.
1224 ($(T)libic_invalidate_array_4a.a): Likewise.
1226 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1227 J"orn Rennecke <joern.rennecke@st.com>
1229 * superh.opt: New file.
1230 * sh.c (boardtype, osruntime): Remove.
1231 * superh.h (SUBTARGET_OPTIONS): Remove.
1232 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1234 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1235 arguments with ^ and/or [].
1237 * config.gcc (sh-*-*): Add quoting to account for quirk of
1239 Replace == with = in enable_incomplete_targets test.
1241 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1242 with MASK_LITTLE_ENDIAN.
1244 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1245 * config/sh/sh.opt: Added to some comments.
1246 * config/sh/superh.h: Removed some chaff.
1248 * config/sh/sh.opt: Add m4-[1234]00* options.
1249 * config/sh/sh.c (sh_handle_option): Likewise.
1250 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1251 (ic_invalidate_array_4-100.o): New rule.
1252 ($(T)libic_invalidate_array_4-100.a): Likewise.
1253 (ic_invalidate_array_4-200.o): Likewise.
1254 ($(T)libic_invalidate_array_4-200.a): Likewise.
1255 (ic_invalidate_array_4a.o): Likewise.
1256 ($(T)libic_invalidate_array_4a.a): Likewise.
1257 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1258 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1260 * config/sh/crt1.asm: Merged in profiling code.
1261 * config/sh/superh.h (STARTFILE_SPEC): Override.
1262 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1263 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1264 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1266 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1267 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1268 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1270 * sh.opt (mpretend-cmove): New option.
1271 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1272 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1273 (movsicc): Add TARGET_PRETEND_CMOVE code.
1275 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1277 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1278 s390_class_max_nregs): New function prototypes.
1279 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
1280 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
1281 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1282 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1284 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1286 * dwarf2out.c (add_location_or_const_value_attribute): Call
1287 tree_add_const_value_attribute if nothing else works.
1288 (reference_to_unused): New.
1289 (rtl_for_decl_init): Use reference_to_unused to decide whether
1290 to output an initializer.
1292 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1295 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1296 peephole removing spe frob_di_df_2.
1298 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1300 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1301 (subscript_dependence_tester_1): Declared.
1302 (print_dir_vectors, print_dist_vectors): New.
1303 (debug_data_dependence_relation): New.
1304 (dump_data_dependence_relation): Print more details.
1305 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1306 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1307 (save_dist_v, save_dir_v, add_outer_distances,
1308 build_classic_dist_vector_1): New.
1309 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1310 Don't test for lambda_vector_lexico_pos.
1311 (same_access_functions, add_multivariate_self_dist,
1312 add_other_self_distances, dir_from_dist): New.
1313 (build_classic_dir_vector): Replace implementation almost identical to
1314 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1316 (subscript_dependence_tester_1): New.
1317 (subscript_dependence_tester): Handle the lexicographically negative
1318 distance vectors by recomputing the dependence relation.
1319 (compute_affine_dependence): Remove parameter loop_nest_depth.
1320 (compute_self_dependence): Don't call compute_subscript_distance.
1321 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1322 Add a parameter for the loop_nest.
1323 (find_loop_nest_1, find_loop_nest): New.
1324 (compute_data_dependences_for_loop): Compute the loop nest, and give
1325 up if the nest is not well formed.
1326 * tree-data-ref.h (loop_p): New.
1327 (struct data_dependence_relation): Replace size_vect field with
1328 loop_nest, a vec of loops.
1329 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1330 (DDR_LOOP_NEST): New.
1331 (print_dir_vectors, print_dist_vectors,
1332 debug_data_dependence_relation): Declared.
1333 (index_in_loop_nest): New.
1334 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1335 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1338 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1340 * simplify-rtx.c (simplify_relational_operation): Call
1341 simplify_relational_operation_1 even if mode is VOIDmode.
1343 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1345 PR tree-optimization/26804
1346 * tree.h (DECL_CALL_CLOBBERED): New macro.
1347 (tree_decl_common): Add call_clobbered_flag.
1348 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1349 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1350 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1351 (mark_non_addressable): Ditto.
1352 * tree-ssa.c (verify_call_clobbered): New function.
1353 (verify_alias_info): Use it.
1354 * tree-pass.h (pass_reset_cc_flags): New prototype.
1355 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1356 (reset_cc_flags): New function.
1357 * passes.c (init_optimization_passes): Call reset_cc_flags after
1358 initializing referenced_vars.
1360 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1361 Roger Sayle <roger@eyesopen.com>
1364 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1365 to 1.0 for non-real operands. Implement A / A optimization for
1368 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1370 * config/i386/i386.c (size_cost): Correct the comment for
1371 cost of storing fp registers.
1372 (i386_cost): Likewise.
1373 (i486_cost): Likewise.
1374 (pentium_cost): Likewise.
1375 (pentiumpro_cost): Likewise.
1376 (k6_cost): Likewise.
1377 (athlon_cost): Likewise.
1378 (k8_cost): Likewise.
1379 (pentium4_cost): Likewise.
1380 (nocona_cost): Likewise.
1381 (generic64_cost): Likewise.
1382 (generic32_cost): Likewise.
1384 2006-03-24 Denis Chertykov <denisc@overta.ru>
1386 * config/avr/avr-protos.h (extra_constraint): Delete.
1387 (extra_constraint_Q): New declaration.
1388 * config/avr/constraints.md: New file.
1389 * config/avr/avr.md: Include it.
1390 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1391 (TMP_REGNO, ZERO_REGNO): Likewise.
1392 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1393 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1394 (extra_constraint): Delete.
1395 (extra_constraint_Q): Test for memory constraint 'Q'.
1396 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1397 (REG_CLASS_FROM_LETTER): Delete.
1398 (CONST_OK_FOR_LETTER_P): Delete.
1399 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1400 (EXTRA_CONSTRAINT): Delete.
1401 (TMP_REGNO): Delete.
1402 (ZERO_REGNO): Delete.
1404 2006-03-24 Jeff Law <law@redhat.com>
1406 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1407 directly. Call mark_new_vars_to_rename slightly earlier.
1409 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1411 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1413 (gen_compile_unit_die): Use new language types for Objective-C and
1415 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1416 DW_LANG_C_plus_plus.
1419 * config/t-darwin (crt3.o): Work around bug 26840.
1420 * config/darwin-crt3.c: Rewrite.
1421 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1423 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1425 * doc/invoke.texi: Document -femit-class-debug-always
1426 * common.opt: Add -femit-class-debug-always.
1428 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1430 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1431 index and base register.
1432 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1433 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1434 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1435 REGNO_OK_FOR_INDEX_P.
1436 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1438 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1439 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1440 REG_OK_FOR_BASE_P): Definitions removed.
1442 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1445 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1446 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1447 set yet or weren't marked as local yet.
1449 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1451 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1454 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1456 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1457 (rs6000_legitimate_small_data_p): Delete.
1458 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1459 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1460 and make static. Add forward declaration. Update uses.
1461 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1462 of offsettable_memref_p.
1463 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1464 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1466 2006-03-24 Jeff Law <law@redhat.com>
1468 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1469 around bug in immediate-use iterator.
1471 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1474 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1475 or __LITTLE_ENDIAN__.
1477 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1479 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1480 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1481 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1482 * config/sh/sh.opt (mdiv=): Amend description.
1483 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1484 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1485 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1486 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1487 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1488 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
1489 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
1490 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
1491 TARGET_DIVIDE_CALL_FP.
1493 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1495 * haifa-sched.c (choose_ready): Fix type of the local variable.
1496 Move local variables. Add comment.
1497 (check_reg_live): Change signature. Make callable from debugger.
1498 * sched-int.h (check_reg_live): Update signature.
1499 * sched-ebb.c (check_reg_live): Update parameters.
1500 * sched-rgn.c (check_reg_live): Ditto.
1501 (region_head_or_leaf_p): Check pointer before dereferencing.
1502 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1503 before reload on optimization levels below 1.
1505 2006-03-23 Richard Henderson <rth@redhat.com>
1507 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1511 * config/alpha/predicates.md (local_symbolic_operand): Reject
1514 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1517 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1518 expressions which have overflowed constants.
1520 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1522 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1524 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1526 * cfgloopmanip.c (create_loop_notes): Removed.
1527 * final.c (final_scan_insn): Do not handle loop notes.
1528 * jump.c (squeeze_notes): Ditto.
1529 * cfglayout.c (skip_insns_after_block,
1530 duplicate_insn_chain): Ditto.
1531 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1533 * cfgloop.h (create_loop_notes): Declaration removed.
1535 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1537 * varasm.c (output_constant_pool): Restore fnname and fndecl
1539 (assemble_start_function): Adjust call accordingly.
1540 (assemble_end_function): Likewise.
1542 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1545 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1548 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1550 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1553 * system.h (ICE_EXIT_CODE): New macro.
1554 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1555 (diagnostic_action_after_output): Likewise.
1556 * gcc.c (fatal_ice): New function.
1557 (execute): Use it instead of fatal.
1558 (fancy_abort): Likewise.
1559 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1561 2006-03-22 Jeff Law <law@redhat.com>
1563 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1564 iv_analyze_result returning false.
1566 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1568 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1570 2006-03-22 Richard Henderson <rth@redhat.com>
1573 * except.c (duplicate_eh_regions_0): New.
1574 (duplicate_eh_region_1): Duplicate the children of the node as
1575 well as the node itself. Link them up properly.
1576 (duplicate_eh_region_2): Merge into ...
1577 (duplicate_eh_regions): ... here. Take copy_region argument, and
1578 copy only a sub-tree if asked. Simplify copying and fixup.
1579 (eh_region_outer_p): New.
1580 * except.h (duplicate_eh_regions): Update decl.
1581 (eh_region_outer_p): Declare.
1582 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1583 (lower_omp_master): Likewise.
1584 (lower_omp_ordered): Likewise.
1585 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1586 (move_stmt_r): Use it to remap labels. Handle recursion vs
1587 remap_decls_p properly.
1588 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1589 (find_outermost_region_in_block): New.
1590 (new_label_mapper): New.
1591 (move_sese_region_to_fn): Copy eh information to the new function
1593 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1595 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1598 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1600 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1601 into shared libraries.
1603 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1605 * doc/md.texi: Refer to i386/constraints.md instead of
1607 * config/i386/constraints.md: New file, extracted from...
1608 * config/i386/predicates.md: ...here.
1609 * config/i386/i386.md: Include constraints.md.
1611 2006-03-21 Jason Merrill <jason@redhat.com>
1613 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1616 * expr.c (init_block_move_fn): Force default visibility.
1617 (init_block_clear_fn): Likewise.
1618 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1619 * targhooks.c (default_external_stack_protect_fail): Likewise.
1621 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1623 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1624 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1625 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1626 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1627 (loadgp): Use mips_current_loadgp_style.
1628 (loadgp_noshared): New pattern.
1629 (sibcall_internal): Use MIPS_CALL.
1630 (sibcall_value_internal): Likewise.
1631 (sibcall_value_multiple_internal): Likewise.
1632 (call_internal): Likewise.
1633 (call_value_internal): Likewise.
1634 (call_value_multiple_internal): Likewise.
1635 (call_split): Use MIPS_CALL and add an 'S' constraint.
1636 (call_value_split): Likewise.
1637 (call_value_multiple_split): Likewise.
1638 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1639 (-mshared): New option.
1640 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1641 (mips_current_loadgp_style): Declare.
1642 * config/mips/mips.c (mips_classify_symbol): Avoid using
1643 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1644 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1645 TARGET_ABSOLUTE_ABICALLS.
1646 (override_options): Adjust comments. Improve the warning that is
1647 issued when -mabicalls and -G are used together.
1648 (mips_file_start): Remove comment.
1649 (mips_current_loadgp_style): New function.
1650 (mips_gnu_local_gp): New variable.
1651 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1653 (mips_output_function_prologue): Use mips_current_laodgp_style.
1654 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1655 the cprestore instruction.
1656 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1657 live for TARGET_ABSOLUTE_ABICALLS.
1658 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1659 (ASM_SPEC): Pass down -mshared and -mno-shared.
1660 (MIPS_CALL): New macro.
1661 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1663 * doc/invoke.texi (-mabicalls): Update documentation.
1664 (-mshared): Document.
1666 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1668 * config/ia64/unwind-hpux.c: New file.
1669 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1671 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1674 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1676 2006-03-21 Jeff Law <law@redhat.com>
1678 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1679 type conversions of a VR_VARYING source to a wider type.
1681 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1683 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1684 tm_file on Solaris 10 and later.
1685 (sparc64-*-solaris2*): Likewise.
1686 (sparc-*-solaris2*): Likewise.
1687 * config/sol26.h: Rename to config/sol2-6.h.
1688 * config/sol2-10.h: New file.
1690 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1693 * tree-ssa-pre.c (create_component_ref_by_pieces):
1696 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1699 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1700 return it immediately.
1702 2006-03-21 Michael Matz <matz@suse.de>
1704 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1706 (remove_arc, add_arc): Update num_out_arcs member.
1707 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1709 (cache_presence): New function.
1710 (compare_states_for_equiv): New function.
1711 (state_is_differed): Don't take number of outargs, adjust callers.
1712 Use new invariant for speeding up.
1713 (init_equiv_class): Create initial classes based on sorted
1715 (partition_equiv_class): Don't track out_arcs_num.
1716 (evaluate_equiv_classes): Call cache_presence on all states and
1719 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1721 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1722 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1723 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1724 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1726 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1727 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1728 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1729 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1730 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1732 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1733 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1734 (REGNO_REG_CLASS): ARGP is in PREGS.
1735 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1737 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1738 to deal with those addresses.
1739 * addresses.h: New file.
1740 * caller-save.c: Include "addresses.h".
1741 (init_caller_save): Use new base_reg_class function.
1742 * rtl-factoring.c: Include "addresses.h".
1743 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1744 * recog.c: Include "addresses.h".
1745 (preprocess_constraints): Use new base_reg_class function.
1746 * regrename.c: Include "addresses.h".
1747 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1748 functions. Keep track of a new var INDEX_CODE to compute valid
1750 (replace_oldest_value_addr): Likewise.
1751 (replace_oldest_value_mem): Use base_reg_class.
1752 * reload.c: Include "addresses.h".
1753 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1754 (find_reloads): Use new base_reg_class function.
1755 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1756 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1757 all callers and prototype changed.
1758 * reload1.c: Include "addresses.h".
1759 (maybe_fix_stack_asms): Use base_reg_class.
1760 * regclass.c: Include "addresses.h".
1761 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1762 (init_reg_autoinc): Use new base_reg_class function.
1763 (record_reg_classes): Likewise.
1764 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1765 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1766 Use new args to compute necessary class.
1768 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1769 regrename.o, rtl-factoring.o): Update dependencies.
1770 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1771 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1772 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1773 REG_OK_FOR_INDEX_P): Delete documentation.
1775 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1777 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1778 from V7 to V9 for Solaris 7 and above.
1780 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1782 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1783 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1784 argument pointers may not alias any other storage.
1785 * common.opt: Define option -fargument-noalias-anything.
1786 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1787 alias semantics is specified by flag_argument_noalias > 2.
1789 2006-03-20 Jeff Law <law@redhat.com>
1791 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1792 (pass_phi_only_cprop): Declare.
1793 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1795 * tree-ssa-dom.c (degenerate_phi_result): New function.
1796 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1797 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1798 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1799 (eliminate_degenerate_phis): Likewise.
1800 (pass_phi_only_cprop): New pass descriptor.
1801 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1802 support code. Callers updated.
1803 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1804 (store_copy_prop): Likewise.
1805 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1807 2006-03-20 Jason Merrill <jason@redhat.com>
1810 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1811 (push_visibility, pop_visibility): Likewise.
1812 * c-pragma.h: Declare them.
1814 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1816 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1818 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1819 parameter and use get_ebb_head_tail.
1820 (sh_md_init_global): Adjust uses of find_regmode_weight.
1822 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1824 * function.h (struct function) <x_tail_recursion_reentry>:
1825 Rename to x_stack_check_probe_note.
1826 (tail_recursion_reentry): Rename to stack_check_probe_note.
1827 * function.c: Replace tail_recursion_reentry with
1828 stack_check_probe_note everywhere.
1829 (expand_function_start): Only emit a note for
1830 stack_check_probe_note with -fstack-protect.
1831 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1833 * emit-rtl.c (remove_unnecessary_notes): Remove.
1834 (pass_remove_unnecessary_notes): Remove.
1835 * rtl.h (remove_unnecessary_notes): Remove prototype.
1836 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1837 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1838 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1840 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1843 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1844 (valid_in_set): Handle ARRAY_REF.
1845 Change "if min_variant or VH" to asserts.
1846 (create_component_ref_by_pieces): Handle ARRAY_REF.
1847 (create_expression_by_pieces): Likewise.
1848 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1850 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1852 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1853 is operand of switch, not str[0].
1855 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1857 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1858 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1860 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1862 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1863 end of insn_extra_address_constraint declaration.
1865 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1867 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1868 (no-sum-in-toc): Same.
1869 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1871 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1872 NO_FP_IN_TOC for -fPIC instead of mask.
1874 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1875 (BOOT_LDFLAGS): Delete.
1877 * config/rs6000/t-aix52: Same.
1879 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1880 (stmsi[345678]_power): New.
1882 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1884 * config/ia64/ia64.opt: Add empty line to end of file.
1886 2006-03-17 Richard Guenther <rguenther@suse.de>
1889 * builtins.c (get_pointer_alignment): For component style references
1890 adjust alignment to the component type alignment. Make sure
1891 to adjust alignment for component access of constants.
1893 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1895 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1898 2006-03-17 Paul Brook <paul@codesourcery.com>
1900 * doc/install.texi: Docuemnt --with-mode.
1901 * config.gcc: Add --with-mode for arm*-*-*.
1902 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1904 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1906 * sh.c (max_labelno_before_reorg): New variable.
1907 (sh_reorg): Initialize it.
1908 (find_barrier): Check max_labelno_before_reorg before using
1909 label_to_alignment. Take length of explicit alignment insns
1910 into account. When seeing a UNSPECV_CONST_END, return it.
1912 * sh.c (fixup_mova): Set mode of affected label to QImode.
1913 (untangle_mova): New function.
1914 (find_barrier): Use it. Check mode of label before decrementing
1916 (sh_reorg): Likewise.
1917 Set mode of all insns back to VOIDmode.
1919 * sh.c (MOVA_LABELREF): New macro.
1920 (mova_p, fixup_mova, sh_reorg): Use it.
1921 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1922 ADDR_DIFF_VEC matches mova.
1924 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1926 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1927 with ATTRIBUTE_UNUSED.
1929 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1931 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1932 pointer, instead of assuming it is possible to derive the
1933 correct args size from a call insn.
1935 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1937 * rtl.h (CONST_INT_P): Define.
1938 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1939 instead of GET_CODE(x) == CONST_INT.
1940 (vax_rtx_costs): Likewise.
1941 (vax_output_int_move): Likewise.
1942 (vax_output_int_add): Likewise.
1943 (legitimate_constant_address_p): Likewise.
1944 (index_term_p): Likewise.
1945 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1946 * config/vax/vax.md (and<mode>3): Likewise.
1947 (ashrsi3): Likewise.
1949 (movstricthi): Likewise.
1950 (movstrictqi): Likewise.
1951 (rotrsi3): Likewise.
1952 (five unnamed insns): Likewise.
1954 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1956 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1957 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1958 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1959 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1960 Pass to ASM_OUTPUT_DWARF_OFFSET.
1961 * dwarf2out.c (debug_frame_section): New.
1962 (output_call_frame_info): Use debug_frame_section. Pass it to
1963 dw2_asm_output_offset.
1964 (output_die): Pass appropriate section to dw2_asm_output_offset.
1965 (output_compilation_unit_header): Likewise.
1966 (output_pubnames): Likewise.
1967 (output_aranges): Likewise.
1968 (enum dw_val_class): Break dw_val_class_lbl_offset into
1969 dw_val_class_lineptr and dw_val_class_macptr.
1970 (add_AT_lbl_offset): Delete.
1971 (add_AT_lineptr): New.
1972 (add_AT_macptr): New.
1973 (AT_lbl): Expect a lineptr or macptr.
1974 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1975 (attr_checksum): Likewise.
1976 (same_dw_val_p): Likewise.
1977 (size_of_die): Likewise.
1978 (value_format): Likewise.
1979 (output_die): Likewise.
1980 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1982 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1983 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1984 * config/darwin-protos.h (darwin_file_start): New.
1985 (darwin_asm_output_dwarf_offset): New.
1986 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1987 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1989 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1990 if not EH section; simplify.
1991 (darwin_file_start): New.
1992 (darwin_asm_output_dwarf_offset): New.
1993 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1995 (DEBUG_INFO_SECTION): Likewise.
1996 (DEBUG_ABBREV_SECTION): Likewise.
1997 (DEBUG_ARANGES_SECTION): Likewise.
1998 (DEBUG_MACINFO_SECTION): Likewise.
1999 (DEBUG_LINE_SECTION): Likewise.
2000 (DEBUG_LOC_SECTION): Likewise.
2001 (DEBUG_PUBNAMES_SECTION): Likewise.
2002 (DEBUG_STR_SECTION): Likewise.
2003 (DEBUG_RANGES_SECTION): Likewise.
2004 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2005 (ASM_OUTPUT_DWARF_OFFSET): New.
2007 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2009 * config.gcc (tm_defines): Always add to previous value rather
2012 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2014 * config/mips/predicates.md (splittable_const_int_operand): New,
2015 split from move_operand.
2016 (splittable_symbolic_operand): New.
2017 (move_operand): Add commentary. Use splittable_const_int_operand.
2018 Inline mips_atomic_symbolic_constant_p.
2019 * config/mips/mips.md: Add combine splitters for handling moves
2020 of splittable_const_int_operands and splittable_symbolic_operands.
2021 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2022 (mips_split_symbol): Declare.
2023 (mips_move_integer): Declare.
2024 * config/mips/mips.c (mips_split_p): Make global.
2025 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2026 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2027 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2028 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2029 (mips_offset_within_object_p): Handle block symbols.
2030 (mips_atomic_symbolic_constant_p): Delete.
2031 (mips_cannot_force_const_mem): Return false for constants that
2032 mips_legitimize_move can handle.
2033 (mips_use_blocks_for_constant_p): New function.
2034 (mips_split_symbol): Make global.
2035 (mips_move_integer): Likewise. Add a temporary register argument.
2036 (mips_legitimize_const_move): Use splittable_const_int_operand and
2037 splittable_symbolic_operand.
2038 (mips_use_anchors_for_symbol_p): New function.
2039 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2040 (mips_split_p): Declare.
2042 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2044 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2045 (mips*-*-linux*): Likewise.
2047 2006-03-16 Roger Sayle <roger@eyesopen.com>
2048 Daniel Speyer <dspeyer@wam.umd.edu>
2051 * tree-dump.c (dump_real): New function.
2052 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2053 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2054 (tree-dump.o): Add $(REAL_H) to the dependencies.
2056 2006-03-16 Roger Sayle <roger@eyesopen.com>
2059 * real.c (real_from_string): If the mantissa is zero, don't bother
2060 parsing the exponent as the result should always be zero.
2062 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2064 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2066 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2068 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2069 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2070 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2071 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2072 ia64_sched_finish_global): New static functions to implement
2073 hooks from gcc_target.sched.
2074 (spec_check_no, max_uid, pending_data_specs): New static variables.
2075 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2076 ia64_spec_check_src_p): New static functions.
2077 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2078 (TARGET_SCHED_ADJUST_COST): Removed.
2079 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2080 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2081 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2082 TARGET_SCHED_GEN_CHECK,
2083 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2084 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2085 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2086 Fixed to handle speculation checks.
2087 (rtx_needs_barrier): Fixed to handle speculative loads and
2089 (ia64_variable_issue): Added code to count speculative loads and their
2091 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2093 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2095 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2097 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2098 (ia64_reorg): Reset stops_p to NULL after it is freed.
2099 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2100 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2101 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2103 (data_speculative, control_speculative, check_load): New attributes.
2104 (mov<mode>_advanced, mov<mode>_speculative,
2105 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2106 zero_extend<mode>di2_speculative,
2107 zero_extend<mode>di2_speculative_advanced): New patterns for
2108 data and control speculative loads.
2109 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2111 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2112 New pattern for data and control speculation checks.
2113 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2114 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2115 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2116 Auxiliary definitions for the patterns.
2117 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2118 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2120 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2122 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2123 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2124 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2125 New resource constraints.
2126 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2128 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2129 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2130 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2131 msched-in-control-spec, msched-ldc, msched-control-ldc,
2132 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2133 msched-prefer-non-control-spec-insns,
2134 msched-count-spec-in-critical-path): New flags to tune speculative
2136 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2137 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2138 msched-in-control-spec, msched-ldc, msched-control-ldc,
2139 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2140 msched-prefer-non-control-spec-insns,
2141 msched-count-spec-in-critical-path): Document new flags.
2143 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2145 * target.h (struct spec_info_def): New opaque declaration.
2146 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2147 speculate_insn, needs_block_p, gen_check,
2148 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2149 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2150 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2151 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2152 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2153 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2155 (TARGET_SCHED): Use new macros.
2156 * rtl.h (copy_DEPS_LIST_list): New prototype.
2157 * sched-int.h (struct sched_info): Change signature of new_ready field,
2158 adjust all initializations. New fields: add_remove_insn,
2159 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2160 region_head_or_leaf_p.
2161 (struct spec_info_def): New structure declaration.
2162 (spec_info_t): New typedef.
2163 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2164 recovery_block, orig_pat.
2165 (glat_start, glat_end): New variables declaraions.
2166 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2168 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2169 DETACH_LIFE_INFO, USE_GLAT.
2170 (enum SPEC_SCHED_FLAGS): New enumeration.
2171 (NOTE_NOTE_BB_P): New macro.
2172 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2173 attach_life_info, debug_spec_status, check_reg_live): New functions.
2174 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2175 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2177 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2178 * ddg.c (get_block_head_tail): Adjust all uses.
2179 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2180 (sms_sched_info): Initialize new fields.
2181 (contributes_to_priority): Removed.
2182 * haifa-sched.c (params.h): New include.
2183 (get_block_head_tail): Adjust all uses.
2184 (ISSUE_POINTS): New macro.
2185 (glat_start, glat_end): New global variables.
2186 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2187 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2188 old_last_basic_block, before_recovery, current_sched_info_var,
2189 rgn_n_insns, luid): New static variables.
2190 (insn_cost1): New function. Move logic from insn_cost to here.
2191 (find_insn_reg_weight1): New function. Move logic from
2192 find_insn_reg_weight to here.
2193 (reemit_notes, move_insn, max_issue): Change signature.
2194 (move_insn1): Removed.
2195 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2196 extend_bb): New static functions to support extension of scheduler's
2198 (generate_recovery_code, process_insn_depend_be_in_spec,
2199 begin_speculative_block, add_to_speculative_block,
2200 init_before_recovery, create_recovery_block, create_check_block_twin,
2201 fix_recovery_deps): New static functions to support
2202 generation of recovery code.
2203 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2204 restore_bb_notes, move_block_after_check, move_succs): New static
2205 functions to support ebb scheduling.
2206 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2207 functions to support handling of register live information.
2208 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2209 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2210 add_jump_dependencies): New static functions.
2211 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2212 consistancy checking.
2213 (debug_spec_status): New function to call from debugger.
2214 (priority): Added code to handle speculation checks.
2215 (rank_for_schedule): Added code to distinguish speculative instructions.
2216 (schedule_insn): Added code to handle speculation checks.
2217 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2218 Fixed to handle ebbs.
2219 (move_insn): Added code to handle ebb scheduling.
2220 (max_issue): Added code to use ISSUE_POINTS of instructions.
2221 (choose_ready): Added code to choose between speculative and
2222 non-speculative instructions.
2223 (schedule_block): Added code to handle ebb scheduling and scheduling of
2224 speculative instructions.
2225 (sched_init): Initialize new variables.
2226 (sched_finish): Free new variables. Print statistics.
2227 (try_ready): Added code to handle speculative instructions.
2228 * lists.c (copy_DEPS_LIST_list): New function.
2229 * sched-deps.c (extend_dependency_caches): New function. Move logic
2230 from create_dependency_caches to here.
2231 (get_dep_weak, ds_merge): Make global.
2232 * genattr.c (main): Code to output prototype for
2233 dfa_clear_single_insn_cache.
2234 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2235 (output_dfa_clean_insn_cache_func): Code to output
2236 dfa_clear_single_insn_cache function.
2237 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2239 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2241 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2242 New static variables.
2243 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2244 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2246 (ebb_sched_info): Initialize new fields.
2247 (get_block_head_tail): Adjust all uses.
2248 (compute_jump_reg_dependencies): Fixed to use glat_start.
2249 (schedule_ebb): Code to remove unreachable last block.
2250 (schedule_ebbs): Added code to update register live information.
2251 * sched-rgn.c (region_sched_info): Initialize new fields.
2252 (get_block_head_tail): Adjust all uses.
2253 (last_was_jump): Removed. Adjust users.
2254 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2255 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2256 Implement new hooks.
2257 (check_dead_notes1): New static function.
2258 (struct region): New fields: dont_calc_deps, has_real_ebb.
2259 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2260 (BB_TO_BLOCK): Fixed to handle EBBs.
2261 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2262 (ebb_head): New static variable.
2263 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2264 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2266 (compute_dom_prob_ps): New assertion.
2267 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2268 global_live_at_start.
2269 (init_ready_list): New assertions.
2270 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2271 (new_ready): Add support for BEGIN_CONTROL speculation.
2272 (schedule_insns): Fixed code that updates register live information
2274 (schedule_region): Fixed to handle EBBs.
2275 (init_regions): Use extend_regions and check_dead_notes1.
2276 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2277 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2278 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2279 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2280 TARGET_SCHED_GEN_CHECK,
2281 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2282 TARGET_SCHED_SET_SCHED_FLAGS): Document.
2283 * doc/invoke.texi (max-sched-insn-conflict-delay,
2284 sched-spec-prob-cutoff): Document.
2286 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2288 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2289 inter_tick, queue_index.
2290 (struct sched_info): Change signature of init_ready_list field.
2291 Adjust all initializations.
2292 (RESOLVED_DEPS): New access macro.
2293 (ready_add): Remove prototype.
2294 (try_ready): Add prototype.
2295 * sched-rgn.c (init_ready_list): Use try_ready.
2296 (schedule_region): Initialize
2297 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2298 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2299 (init_ready_list): Use try_ready.
2300 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2301 * lists.c (remove_list_elem): Remove `static'.
2302 (remove_free_INSN_LIST_elem): New function.
2303 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2304 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2305 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2307 (readyp): New variable.
2308 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2309 change_queue_index, resolve_dep): New static functions.
2310 (try_ready): New function. Adjust callers in sched-rgn.c and
2311 sched-ebb.c to use it instead of ready_add.
2312 (clock_var): Move at the begining of file.
2313 (rank_for_schedule): Fix typo.
2314 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2315 (ready_lastpos): Enforce assertion.
2316 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2318 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2319 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2320 (queue_to_ready): Use free_INSN_LIST_list.
2321 (early_queue_to_ready): Fix typo.
2322 (schedule_block): Init readyp. Move init_ready_list call after the
2323 initialization of clock_var. Fix error in rejecting insn by
2324 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2325 that previously corrected INSN_TICKs. Add code for handling
2327 (set_priorities): Fix typo.
2328 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2329 Clarify comment and code that keeps current_sched_info->next_tail
2332 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2334 * sched-rgn.c (extend_rgns): New static function.
2335 (find_rgns): Use it.
2336 (gather_region_statistics, print_region_statistics): New static
2338 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2339 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2341 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2342 Andrey Belevantsev <abel@ispras.ru>
2344 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2345 * lists.c (unused_deps_list): New variable.
2346 (free_list): Add assertions to verify the proper distinguishing
2347 between INSN_LISTs and DEPS_LISTs.
2348 (find_list_elem, remove_list_elem, remove_list_node): New static
2350 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2351 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2352 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2353 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2355 (free_INSN_LIST_node): Likewise.
2356 * modulo-sched.c (current_sched_info): Initialize flags field.
2357 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2358 * rtl.def (DEPS_LIST): Define.
2359 * rtl.h: Declare new functions from lists.c.
2360 * sched-deps.c (spec_dependency_cache): New static variable.
2361 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2362 (add_dependence): Change return type to void. Move the logic to ...
2363 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2364 (delete_all_dependences): Add comment about forward_dependency_cache.
2365 Handle spec_dependency_cache. Handle DEPS_LISTs.
2366 (fixup_sched_groups): Clarify the change of priority of output
2367 and anti dependencies.
2368 (sched_analyze_2): Adjust add_dependence calls to create data
2369 speculative dependence.
2370 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2371 Adjust all callers. Handle DEPS_LISTS.
2372 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2373 presence of speculation.
2374 (init_dependency_caches, free_dependency_caches):
2375 Handle spec_dependency_cache.
2376 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2377 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2378 New static functions.
2379 (add_or_update_back_dep, add_or_update_back_forw_dep,
2380 add_back_forw_dep, delete_back_forw_dep): New functions.
2381 * sched-int.h (ds_t, dw_t): New typedefs.
2382 (struct sched_info): Add new field flags.
2383 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2384 Prototype new sched-deps.c functions.
2385 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2386 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2387 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2388 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2389 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2390 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2392 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2394 * sched-rgn.c (current_sched_info): Initialize flags field.
2395 (schedule_insns): Initialize current_sched_info before the sched_init
2397 * sched-ebb.c (current_sched_info): Initialize flags field.
2398 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2399 Call add_or_update_back_dep instead of add_dependence.
2400 Create control speculative dependencies.
2401 (schedule_insns): Initialize current_sched_info before the sched_init
2404 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2406 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2408 (sh_fallback_frame_state): Likewise.
2410 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2412 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2413 Do switch on default_use_cxa_atexit.
2414 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2415 * config/darwin-crt3.o: New.
2416 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2417 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2418 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2420 * config/rs6000/t-darwin: Move crt2.o building to here.
2421 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2422 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2425 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2427 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2428 from '! xxx' to '!xxx' for coding-style conformance.
2429 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2430 (EXTRA_CONSTRAINT): Likewise.
2431 * config/vax/vax.md (four unnamed insns): Likewise.
2433 2006-03-15 Paul Brook <paul@codesourcery.com>
2435 * config/arm/arm.c (minipool_pad): New.
2436 (add_minipool_forward_ref): Include pool alignment padding in address
2438 (push_minipool_fix): Set minipool_pad.
2439 (minipool_pad): Ditto.
2441 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2443 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2444 instead of GET_CODE() == MEM and REG_P() instead of
2446 (print_operand_address): Likewise.
2447 (vax_address_cost): Likewise.
2448 (vax_rtx_costs): Likewise.
2449 (vax_notice_update_cc): Likewise.
2450 (vax_output_int_add): Likewise.
2451 (INDEX_REGISTER_P): Likewise.
2452 (BASE_REGISTER_P): Likewise.
2453 (nonindexed_address_p): Likewise.
2454 (vax_mode_dependent_address_p): Likewise.
2455 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2456 (PRINT_OPERAND): Likewise.
2457 * config/vax/vax.md (ashlsi3): Likewise.
2458 (ashlsi3): Likewise.
2459 (some more unnamed insns): Likewise.
2461 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2463 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2464 iterator-style macro.
2465 (mark_control_dependent_edges_necessary): Update the use of
2466 EXECUTE_IF_CONTROL_DEPENDENT.
2468 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2470 * config/sh/predicates.md (cache_address_operand): Special.
2471 (ua_address_operand): Likewise.
2473 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2475 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2477 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2479 2006-03-15 Andreas Schwab <schwab@suse.de>
2481 * gensupport.c (identify_predicable_attribute): Don't free p_false
2482 when it is still in use.
2484 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2486 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2487 the default setting here.
2489 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
2491 * tree-pass.h (pass_cfg): Remove.
2492 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
2493 * passes.c (pass_cfg): Don't run it.
2495 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
2497 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
2498 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2500 (stack_regs_mentioned): Update the uses of
2501 stack_regs_mentioned_data. Don't access the array beyond its
2503 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2504 Don't include gt-reg-stack.h.
2506 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2507 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2509 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2512 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2515 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2517 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2519 2006-03-14 Richard Guenther <rguenther@suse.de>
2521 PR tree-optimization/26672
2522 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2525 2006-03-14 Richard Guenther <rguenther@suse.de>
2527 PR tree-optimization/26667
2528 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2529 node for the callees. Always allow inlining if it will shrink
2532 2006-03-14 Richard Guenther <rguenther@suse.de>
2535 * builtins.c (get_pointer_alignment): Prefer alignment
2536 information from decls over that from types.
2538 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2541 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2543 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2545 * config/rs6000/rs6000.opt (mdlmzb): New option.
2546 (msched-prolog, msched-epilog): Use Var not Mask.
2547 * doc/invoke.texi (-mdlmzb): Document.
2548 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2550 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2551 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2553 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2555 PR rtl-optimization/25739
2556 * bt-load.c (augment_live_range): Free tos pointer.
2558 * gensupport.c (identify_predicable_attribute): Free
2560 * gcov.c (create_file_names): Free name pointer.
2562 2006-03-13 Roger Sayle <roger@eyesopen.com>
2565 * stmt.c (emit_case_nodes): Handle the case where the index is a
2566 CONST_INT, where the comparison mode is specified by the index type.
2568 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2570 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2573 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2575 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2576 (*branch_fp_inverted): Likewise.
2578 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2581 * omp-low.c (expand_omp_for_generic): Mark istart0
2582 and iend0 as addressable.
2584 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2586 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2588 2006-03-13 Jeff Law <law@redhat.com>
2590 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2591 virtual operands are interesting.
2592 (vrp_visit_stmt): Corresponding changes.
2594 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2596 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2598 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2599 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2600 * config/bfin/crti.S: Use it instead of __PIC__.
2601 * config/bfin/crtn.S: Likewise.
2603 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2604 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2606 Lose 'G' modifier for call operand.
2607 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2608 recognize 'G' modifier.
2610 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2613 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2614 * stmt.c (expand_case): Likewise.
2616 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2618 PR rtl-optimization/26254
2619 * loop-invariant.c (seq_insns_valid_p): New function.
2620 (move_invariant_reg): Only emit new code if it is valid.
2622 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2624 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2626 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2627 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2628 (commit_one_edge_insertion): Do not look for loop notes.
2630 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2632 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2633 flag_test_coverage out of loop.
2635 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2637 * final.c (shorten_branches): Remove outdated comment, and turn
2638 the if branch that guards it to continue.
2640 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2642 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2643 * cfgloop.h (struct loop): Remove unused fields.
2645 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2647 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2648 (-dL, -fdump-rtl-loop2): Update the dump file names
2650 * doc/invoke.texi: Update dump file names.
2652 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2654 * predict.c (estimate_probability): Remove.
2655 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2656 * basic-block.h (estimate_probability): Remove prototype.
2657 * passes.c (finish_optimization_passes): Dump branch prediction or
2658 profiling heuristics to the .profile tree dump.
2659 (init_optimization_passes): Unqueue pass_branch_prob.
2661 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2663 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2665 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2666 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2668 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2670 * function.h (frame_offset_overflow): Declare.
2671 * function.c (frame_offset_overflow): New function.
2672 (assign_stack_local_1): Call it to detect that the offset overflows.
2673 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2675 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2677 * config/sh/sh.c: Include alloc-pool.h.
2678 (label_ref_list_pool): New alloc pool.
2679 (label_ref_list_t): New type for lists of labels.
2680 (struct pool_node): Make wend a label_ref_list_t.
2681 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2683 (dump_table): Likewise.
2684 (sh_reorg): Set up the alloc pool before using add_constant and
2685 dump_table, and destroy it when finishing.
2687 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2689 * config/mips/mips.c: Remove redundant comment.
2691 2006-03-10 Jason Merrill <jason@redhat.com>
2694 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2695 the target was declared 'register'.
2697 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2699 * genpreds.c (write_insn_constraint_len): Change definition of
2700 insn_constraint_len to return size_t to match the declaration.
2702 2006-03-10 DJ Delorie <dj@redhat.com>
2704 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2706 (m32c_expand_insv): Fix test for an AND mask.
2708 2006-03-10 Richard Guenther <rguenther@suse.de>
2711 * builtins.c (get_pointer_alignment): Handle component
2712 references for field alignment.
2714 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2716 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2717 when building with libgloss.
2718 (sh*elf): Implement --without-fp option.
2719 (sh64-superh-linux*): Don't multilib.
2721 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2723 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2725 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2727 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2728 Set it when one of the replacement functions returned true.
2729 Return TODO_cleanup_cfg if cfgchanged is true.
2730 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2732 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2734 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2735 instead of gen_lowpart.
2737 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2739 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2741 (mips_output_order_conditional_branch): Declare.
2742 * config/mips/mips.h (MIPS_BRANCH): New macro.
2743 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2744 for the comparison. Use gen_condjump.
2745 (mips_output_conditional_branch): Rework interface to take the
2746 asm templates for a direct branch and the inverse of a direct branch.
2747 (mips_output_order_conditional_branch): New function.
2748 (mips_builtin_branch_and_move): New function.
2749 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2750 branch condition. Use gen_single_cc as the condition for
2751 __builtin_mips_upper_* or __builtin_mips_lower_*.
2752 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2753 Use VOIDmode for the branch condition.
2754 * config/mips/predicates.md (order_operator): New predicate.
2755 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2756 (branch_fp): Rename to...
2757 (*branch_fp): ...this. Remove mode from comparison operator.
2758 Use new mips_output_conditional_branch interface.
2759 (branch_fp_inverted): Rename to...
2760 (*branch_fp_inverted): ...this and update as for *branch_fp.
2761 (*branch_zero<mode>): Rename to...
2762 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2763 Use mips_output_order_conditional_branch. Only accept ordered
2765 (*branch_zero<mode>_inverted): Rename to...
2766 (*branch_order<mode>_inverted): ...this and update as for
2767 *branch_order<mode>.
2768 (*branch_equality<mode>): Accept zero as the second operand to
2769 the equality operator. Use the new mips_output_conditional_branch
2771 (*branch_equality<mode>_inverted): Likewise.
2772 (condjump): New expander.
2773 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2775 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2776 (bc1any2t, bc1any2f): Likewise.
2777 (single_cc): New expander.
2778 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2780 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2782 * doc/md.texi: Update documentation of MIPS constraints.
2783 * config/mips/constraints.md: New file.
2784 * config/mips/mips.md: Include it.
2785 * config/mips/mips.c (mips_char_to_class): Delete.
2786 (override_options): Don't initialize mips_char_to_class.
2787 * config/mips/mips.h (mips_char_to_class): Delete.
2788 (REG_CLASS_FROM_LETTER): Delete.
2789 (CONST_OK_FOR_LETTER_P): Delete.
2790 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2791 (EXTRA_CONSTRAINT_Y): Delete.
2792 (EXTRA_CONSTRAINT_STR): Delete.
2793 (CONSTRAINT_LEN): Delete.
2794 (EXTRA_MEMORY_CONSTRAINT): Delete.
2796 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2798 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2799 original fn's eh regions.
2801 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2803 * fold-const.c (build_range_check): Make sure to use a valid type to
2804 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2807 (range_predecessor): New static function.
2808 (range_successor): Likewise.
2809 (merge_ranges): Use them to compute predecessors and successors of
2812 2006-03-09 Roger Sayle <roger@eyesopen.com>
2815 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2816 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2818 2006-03-08 DJ Delorie <dj@redhat.com>
2820 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2821 (addpsi3): Expand to include memory operands. Remove
2822 reload-specific splits.
2823 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2824 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2825 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2826 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2827 (shift1_qi, shift1_hi, insv): New.
2828 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2829 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2830 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2832 * config/m32c/m32c-protos.h: Update as needed.
2833 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2834 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2835 Fail for unrecognized R* constraints.
2836 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2837 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2838 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2840 (m32c_init_libfuncs): New.
2841 (m32c_legitimate_address_p): Add debug wrapper.
2842 (m32c_rtx_costs): New.
2843 (m32c_address_cost): New.
2844 (conversions): Add 'B' prefix.
2845 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2846 operands, or word regnames for QI operands. 'B' prints bit
2848 (m32c_expand_setmemhi): New.
2849 (m32c_expand_movmemhi): New.
2850 (m32c_expand_movstr): New.
2851 (m32c_expand_cmpstr): New.
2852 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2853 (m32c_expand_neg_mulpsi3): Handle non-ints.
2854 (m32c_cmp_flg_0): New.
2855 (m32c_expand_movcc): New.
2856 (m32c_expand_insv): New.
2857 (m32c_scc_pattern): New.
2858 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2859 a0/a1 out of SIregs.
2860 (STORE_FLAG_VALUE): New.
2861 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2864 * config/m32c/mov.md: Make constraints more liberal.
2865 (zero_extendqihi2): Optimize r0/r1 case.
2866 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2867 * config/m32c/predicates.md (m32c_any_operand): New.
2868 (m32c_nonimmediate_operand): New.
2869 (m32c_hl_operand): New.
2870 (m32c_r3_operand): New.
2873 (memsym_operand): New.
2874 (memimmed_operand): New.
2875 (a_qi_operand): New.
2876 (m32c_eqne_operator): New.
2877 (m32c_1bit8_operand): New.
2878 (m32c_1bit16_operand): New.
2879 (m32c_1mask8_operand): New.
2880 (m32c_1mask16_operand): New.
2881 * config/m32c/blkmov.md: New file.
2882 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2884 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2886 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2887 unsigned to fix signed/unsigned comparison issue in
2888 DWARF2_FRAME_REG_OUT.
2889 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2890 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2892 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2893 of ptr into the ENABLE_CHECKING section.
2895 2006-03-08 Jeff Law <law@redhat.com>
2897 * tree-vrp.c (infer_value_range): Only count pointer uses
2898 and dereferences if -fdelete-null-pointer-checks is enabled.
2900 * tree-vrp.c (find_assert_locations): Infer value ranges for
2901 single use pointers, but do not create ASSERT_EXPRs for them.
2902 When a non-null range is inferred for a pointer, backwards
2903 propagate that range to other equivalent pointers through the
2906 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2909 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2910 language hook targets.
2911 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2912 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2913 if language hook targets were missing.
2915 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2917 * tree-ssa-opfinalize.h: Removed.
2918 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2920 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2921 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2922 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2923 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2924 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2925 finalize_ssa_v_must_def_ops): New.
2927 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2929 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2932 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2934 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2936 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2937 addresses with offsets; reorganize.
2939 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2940 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2941 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2943 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2946 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2948 2006-03-08 Ben Elliston <bje@au.ibm.com>
2950 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2952 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2955 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2958 2006-03-07 Richard Guenther <rguenther@suse.de>
2960 PR tree-optimization/26587
2961 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2963 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2965 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2967 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2969 * hooks.c (hook_bool_mode_rtx_true): New function.
2970 * hooks.h (hook_bool_mode_rtx_true): Declare.
2971 * toplev.c (compile_file): Call output_shared_constant_pool.
2972 * varasm.c (shared_constant_pool): New variable.
2973 (assemble_start_function, assemble_end_function): Remove arguments
2974 from call to output_constant_pool.
2975 (create_constant_pool): New function, split out from...
2976 (init_varasm_status): ...here.
2977 (force_const_mem): Choose between the shared and per-function constant
2978 pools. Set current_function_uses_const_pool when reusing old entries
2979 as well as when creating new ones.
2980 (mark_constant): Ignore data argument.
2981 (mark_constants): Remove pool argument.
2982 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2983 to decide whether the function uses a constant pool.
2984 (output_constant_pool_contents): New function, split out from...
2985 (output_constant_pool): ...here.
2986 (output_shared_constant_pool): New function.
2987 (init_varasm_once): Initialize shared_constant_pool.
2988 * output.h (output_constant_pool): Delete.
2989 (output_shared_constant_pool): Declare.
2990 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2991 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2993 2006-03-06 Nick Clifton <nickc@redhat.com>
2995 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2996 flag_strength_reduce.
2998 2006-03-06 Ben Elliston <bje@au.ibm.com>
3000 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3001 x86_64-*-linux* configurations.
3003 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3004 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3006 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3008 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3010 * basic-block.h: Remove the extern for
3011 rediscover_loops_after_threading.
3013 * cfgloop.c (cancel_loop): Make it static.
3014 * cfgloop.h: Remove the prototype for cancel_loop.
3016 * flow.c (recompute_reg_usage): Make it static.
3017 * rtl.h: Remove the prototype for recompute_reg_usage.
3019 * function.c (use_return_register): Make it static.
3020 * function.h: Remove the prototype.
3022 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3024 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3026 * recog.h: Remove the prototype for
3027 validate_change_maybe_volatile.
3029 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3031 * rtlanal.c (replace_reg): Remove.
3032 * rtl.h: Remove the prototype for replace_reg.
3034 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3036 * regclass.c (reg_scan_update): Remove.
3037 (reg_scan_mark_refs): Remove the last argument.
3038 * rtl.h: Remove the prototype for reg_scan_update.
3040 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3042 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3043 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3044 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3045 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3046 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3047 loop-invariant.c, omp-low.c, opts.c, passes.c,
3048 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3049 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3050 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3051 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3052 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3053 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3055 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3057 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3058 * dwarf2out.h: Remove the prototype for
3059 dwarf2out_add_library_unit_info.
3061 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3063 * tree.c (add_var_to_bind_expr): Remove.
3064 * tree.h: Remove the prototype for add_var_to_bind_expr.
3066 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3068 * regclass.c (n_non_fixed_regs): Remove.
3069 (init_reg_sets_1, globalize_reg): Remove all uses of
3071 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3073 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3075 * rtlanal.c (insns_safe_to_move_p): Remove.
3076 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3078 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3080 * expmed.c (expand_mult_add): Remove.
3081 * expr.h: Remove the prototype for expand_mult_add.
3083 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3085 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3086 and REG_SAVED_VAL_EXP constants.
3087 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3088 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3089 Handle regs stored by value.
3090 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3091 (execute_cfa_program): Handle DW_CFA_val_offset,
3092 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3093 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3094 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3095 (uw_install_context_1): Handle target regs stored by value.
3097 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3099 * tree-sra.c (tree_sra): Return todoflags;
3100 (generate_one_element): Set TODO_update_smt_usage if needed.
3101 (pass_sra): Remove TODO_update_smt_usage.
3102 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3104 (tree_ssa_forward_propagate_single_use_vars): Return
3105 TODO_update_smt_usage if we need to update SMT usage.
3106 (pass_forwprop): Remove TODO_update_smt_usage.
3108 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3110 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3111 (correct_use_link): Remove reference to get_stmt_operands.
3112 (update_stmt_operands): Likewise.
3113 (get_modify_expr_operands): New function factored out of
3114 parse_ssa_operands and get_expr_operands.
3115 Try to create V_MUST_DEFs for LHS by default.
3116 (get_expr_operands) <case MODIFY_EXPR>: Call
3117 get_modify_expr_operands.
3118 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3119 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3120 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3121 get_modify_expr_operands.
3123 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3125 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3126 * tree-flow.h: Remove the prototype for
3127 referenced_var_lookup_if_exists.
3129 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3131 PR rtl-optimization/26345
3133 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3135 2006-03-03 Roger Sayle <roger@eyesopen.com>
3137 PR tree-optimization/26524
3138 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3139 fold_convert to create a constant of the appropriate type.
3141 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3143 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3144 SYMBOL_REF_IN_BLOCK_P.
3145 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3146 of SYMBOL_FLAG_IN_BLOCK.
3147 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3148 instead of SYMBOL_REF_IN_BLOCK_P.
3149 * explow.c (use_anchored_address): Likewise.
3150 * rtl.c (rtx_size): Likewise.
3151 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3152 instead of SYMBOL_FLAG_IN_BLOCK.
3153 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3154 SYMBOL_REF_IN_BLOCK_P.
3155 (assemble_variable): Likewise.
3156 (output_constant_def_contents): Likewise.
3157 (output_constant_pool): Likewise.
3158 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3159 instead of SYMBOL_FLAG_IN_BLOCK.
3160 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3161 SYMBOL_REF_IN_BLOCK_P.
3162 (SYMBOL_REF_BLOCK): Likewise.
3163 (SYMBOL_REF_OFFSET): Likewise.
3164 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3165 SYMBOL_REF_IN_BLOCK_P.
3166 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3167 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3168 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3169 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3171 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3173 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3175 2006-03-02 Roger Sayle <roger@eyesopen.com>
3177 * simplify-rtx.c (simplify_unary_operation): When simplifying
3178 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3179 that we perform the right shift in the appropriate mode, and
3180 then extend or truncate the result to requested mode.
3182 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3184 * gengtype.c (main): Handle double_int type.
3185 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3186 * double-int.c: New file.
3187 * double-int.h: New file.
3188 * system.h: Include doubleint.h.
3189 * Makefile.in (SYSTEM_H): Include double-int.h.
3190 (double-int.o): Add.
3192 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3195 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3198 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3200 * tree-vrp.c (remove_range_assertions): Do not update statements
3203 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3205 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3207 * gcse.c (rest_of_handle_gcse): Ditto.
3208 * except.c (gate_handle_eh): Ditto.
3209 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3210 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3212 2006-03-02 Eric Christopher <echristo@apple.com>
3214 * config/i386/i386.c (machopic_output_stub): Add indirection to
3217 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3221 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3223 Sun Niagara specific optimizations.
3224 * config.gcc: Recognize niagara as target.
3225 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3226 (TARGET_CPU_niagara): Define.
3227 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3228 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3229 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3230 (ASM_CPU_SPEC): Likewise.
3231 (PROCESSOR_NIAGARA): New enum entry.
3232 (REGISTER_MOVE_COST): Handle Niagara.
3233 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3234 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3235 (sparc_override_options): Recognize "niagara", set appropriate
3236 default MASK_* values for it, and align functions to 32-bytes
3237 by default just like ULTRASPARC/ULTRASPARC3.
3238 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3239 (sparc64_initialize_trampoline): Likewise.
3240 (sparc_use_sched_lookahead): Use zero for niagara.
3241 (sparc_issue_rate): Use one for niagara.
3242 * config/sparc/niagara.md: New file.
3243 * config/sparc/sparc.md: Include it.
3244 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3245 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3246 when default cpu is niagara.
3247 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3248 (ASM_CPU_SPEC): Likewise.
3249 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3250 when default cpu is niagara.
3251 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3252 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3253 just like v9/ultrasparc/ultrasparc3.
3254 * doc/invoke.texi: Add documentation for "niagara" and improve
3255 existing documentation for ultrasparc variants.
3257 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3259 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3261 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3263 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3264 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3265 and say that only one is needed.
3266 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3267 * target.h (have_switchable_bss_sections): New hook.
3268 * explow.c (use_anchored_address): Check that the symbol is in a block.
3269 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3270 (bss_noswitch_section): New variables.
3271 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3272 (get_noswitch_section): New function.
3273 (get_block_for_section): Allow SECT to be null.
3274 (unlikely_text_section_p): Use SECTION_STYLE.
3275 (bss_initializer_p): New function.
3276 (get_variable_section): Move earlier in file. Take a new argument,
3277 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3278 Return one of the new *_sections in such cases.
3279 (get_block_for_decl): New function, extracting some logic from
3280 use_blocks_for_decl_p.
3281 (change_symbol_section): Remove in favor of...
3282 (change_symbol_block): ...this new function.
3283 (use_blocks_for_decl_p): Remove checks now performed by
3285 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3286 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3287 (emit_local, emit_bss, emit_common): ...these new functions.
3288 Return true if the alignment was honored.
3289 (emit_tls_common): New function.
3290 (asm_emit_uninitialised): Delete.
3291 (assemble_variable_noswitch): New function, split out from...
3292 (assemble_variable): ...here. Don't make decisions about common
3293 variables here. Globalize all public decls that go into non-common
3294 sections. Check whether SYMBOL_REF_BLOCK is null.
3295 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3296 (output_constant_pool): Likewise.
3297 (init_varasm_once): Initialize the new section variables.
3298 (have_global_bss_p): New function.
3299 (categorize_decl_for_section): Use bss_initializer_p.
3300 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3301 (place_block_symbol): Assert that the symbol must be in a block.
3302 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3303 (TARGET_INITIALIZER): Include it.
3304 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3305 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3306 (SECTION_MACH_DEP): Bump by two.
3307 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3308 (unnamed_section): Mention SECTION_UNNAMED in comment.
3309 (named_section): Likewise SECTION_NAMED.
3310 (noswitch_section_callback): New type.
3311 (noswitch_section): New structure.
3312 (section): Add a noswitch_section alternative.
3313 (SECTION_STYLE): New macro.
3314 (tls_comm_section, comm_section, lcomm_section): Declare.
3315 (bss_noswitch_section, have_global_bss_p): Declare.
3316 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3317 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3319 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3320 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3323 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3325 * gcc/tree-vrp.c (execute_vrp): Return value.
3326 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3327 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3328 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3329 (tree_lower_complex_O0): Ditto.
3330 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3331 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3332 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3333 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3334 (execute_tail_calls): Ditto.
3335 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3336 * gcc/tree.h (init_function_for_compilation): Ditto.
3337 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3338 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3339 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3340 * gcc/final.c (compute_alignments): Ditto.
3341 (rest_of_handle_final): Ditto.
3342 (rest_of_handle_shorten_branches): Ditto.
3343 (rest_of_clean_state): Ditto.
3344 * gcc/omp-low.c (execute_expand_omp): Ditto.
3345 (execute_lower_omp): Ditto.
3346 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3347 * gcc/ipa-reference.c (static_execute): Ditto.
3348 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3349 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3350 (rest_of_handle_machine_reorg): Ditto.
3351 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3352 * gcc/flow.c (recompute_reg_usage): Ditto.
3353 (rest_of_handle_remove_death_notes): Ditto.
3354 (rest_of_handle_life): Ditto.
3355 (rest_of_handle_flow2): Ditto.
3356 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3357 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3358 (do_ssa_store_ccp): Ditto.
3359 (execute_fold_all_builtins): Ditto.
3360 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3361 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3362 * gcc/ipa-pure-const.c (static_execute): Ditto.
3363 * gcc/cse.c (rest_of_handle_cse): Ditto.
3364 (rest_of_handle_cse2): Ditto.
3365 * gcc/web.c (rest_of_handle_web): Ditto.
3366 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3367 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3368 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3369 * gcc/tree-nrv.c (tree_nrv): Ditto.
3370 (execute_return_slot_opt): Ditto.
3371 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3372 (create_structure_vars): Ditto.
3373 * gcc/loop-init.c (rtl_loop_init): Ditto.
3374 (rtl_loop_done): Ditto.
3375 (rtl_move_loop_invariants): Ditto.
3376 (rtl_unswitch): Ditto.
3377 (rtl_unroll_and_peel_loops): Ditto.
3378 (rtl_doloop): Ditto.
3379 * gcc/gimple-low.c (lower_function_body): Ditto.
3380 (mark_used_blocks): Ditto.
3381 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3382 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3383 (cgraph_early_inlining): Ditto.
3384 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3385 * gcc/jump.c (cleanup_barriers): Ditto.
3386 (purge_line_number_notes): Ditto.
3387 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3388 (rest_of_handle_if_after_reload): Ditto.
3389 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3390 (tree_ssa_loop_im): Ditto.
3391 (tree_ssa_loop_unswitch): Ditto.
3392 (tree_vectorize): Ditto.
3393 (tree_linear_transform): Ditto.
3394 (tree_ssa_loop_ivcanon): Ditto.
3395 (tree_ssa_empty_loop): Ditto.
3396 (tree_ssa_loop_bounds): Ditto.
3397 (tree_complete_unroll): Ditto.
3398 (tree_ssa_loop_prefetch): Ditto.
3399 (tree_ssa_loop_ivopts): Ditto.
3400 (tree_ssa_loop_done): Ditto.
3401 * gcc/predict.c (tree_estimate_probability): Ditto.
3402 * gcc/recog.c (split_all_insns_noflow): Ditto.
3403 (rest_of_handle_peephole2): Ditto.
3404 (rest_of_handle_split_all_insns): Ditto.
3405 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3406 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3407 (rest_of_handle_stack_adjustments): Ditto.
3408 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3409 * gcc/function.c (instantiate_virtual_regs): Ditto.
3410 (init_function_for_compilation): Ditto.
3411 (rest_of_handle_check_leaf_regs): Ditto.
3412 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3413 (rest_of_handle_gcse): Ditto.
3414 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3415 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3416 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3417 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3418 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3419 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3420 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3421 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3422 * gcc/except.c (set_nothrow_function_flags): Ditto.
3423 (convert_to_eh_region_ranges): Ditto.
3424 (rest_of_handle_eh): Ditto.
3425 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3426 (remove_unnecessary_notes): Ditto.
3427 * gcc/except.h (set_nothrow_function_flags): Ditto.
3428 (convert_to_eh_region_ranges): Ditto.
3429 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3430 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3431 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3432 (execute_fre): Ditto.
3433 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3434 (rest_of_handle_jump2): Ditto.
3435 * gcc/tree-sra.c (tree_sra): Ditto.
3436 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3437 (execute_mudflap_function_decls): Ditto.
3438 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3439 (do_store_copy_prop): Ditto.
3440 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3441 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3442 * gcc/tree-ssa-forwprop.c
3443 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3444 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3445 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3446 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3447 (execute_late_warn_uninitialized): Ditto.
3448 * gcc/rtl.h (cleanup_barriers): Ditto.
3449 (split_all_insns_noflow): Ditto.
3450 (purge_line_number_notes): Ditto.
3451 (unshare_all_rtl): Ditto.
3452 (remove_unnecessary_notes): Ditto.
3453 (recompute_reg_usage): Ditto.
3454 (variable_tracking_main): Ditto.
3455 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3456 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3457 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3458 (execute_free_cfg_annotations): Ditto.
3459 (execute_fixup_cfg): Ditto.
3460 (execute_cleanup_cfg_pre_ipa): Ditto.
3461 (execute_cleanup_cfg_post_optimizing): Ditto.
3462 (execute_init_datastructures): Ditto.
3463 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3464 * gcc/combine.c (rest_of_handle_combine): Ditto.
3465 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3466 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3467 (rest_of_handle_reorder_blocks): Ditto.
3468 (rest_of_handle_partition_blocks): Ditto.
3469 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3470 * gcc/tree-profile.c (tree_profiling): Ditto.
3471 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3472 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3473 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3474 (rest_of_handle_sched2): Ditto.
3475 * gcc/basic-block.h (free_bb_insn): Ditto.
3476 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3477 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3478 (remove_useless_stmts): Ditto.
3479 (split_critical_edges): Ditto.
3480 (execute_warn_function_return): Ditto.
3481 (execute_warn_function_noreturn): Ditto.
3482 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3483 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3484 * gcc/passes.c (execute_one_pass): Run additional
3485 todos returned by execute function.
3486 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
3489 2006-03-02 Richard Guenther <rguenther@suse.de>
3491 * tree-ssa-alias.c (find_used_portions): Consider taking
3492 the address as making the variable not write-only.
3494 2006-03-02 Nick Clifton <nickc@redhat.com>
3496 * config.gcc (default_use_cxa_atexit): Extend the description of
3497 this configure variable. Set its default value to "yes" for
3498 Linux, NetBSD and ELF targets on the assumption that they will
3499 use C libraries with the __cxa_atexit function.
3501 2006-03-02 Ben Elliston <bje@au.ibm.com>
3503 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3504 parameter as unused to suppress a build warning.
3506 2006-03-02 Ben Elliston <bje@au.ibm.com>
3508 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3511 2006-03-01 Roger Sayle <roger@eyesopen.com>
3514 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3515 declared name, the weak reference name, and the typeof name.
3516 (__gthrw): Avoid expanding the declared name suffix.
3517 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3519 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3521 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3523 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3524 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3525 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3526 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3527 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3528 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3529 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3530 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3531 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3532 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3533 (DW_END_default, DW_END_big, DW_END_little): New.
3534 (DW_END_lo_user, DW_END_hi_user): Define.
3535 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3536 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3537 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3540 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3542 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3544 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3546 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3548 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3550 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3551 to 'symbol_mem_tag'.
3553 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3556 2006-03-01 Roger Sayle <roger@eyesopen.com>
3558 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3560 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3563 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3564 MACHO_DYNAMIC_NO_PIC_P.
3565 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3567 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3570 * config/darwin-protos.h (darwin_asm_output_anchor):
3572 * config/darwin-sections.def (cstring_section):
3573 Add SECTION_MERGE to the flags.
3574 (literal4_section): Likewise.
3575 (literal8_section): Likewise.
3576 (objc_selector_refs_section): Likewise.
3577 (objc_cls_refs_section): Likewise.
3578 * config/darwin.c (darwin_asm_output_anchor): New
3580 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3582 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3584 Fix PR tree-optimization/26443
3585 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3586 to todo and PROP_tmt_usage to properties_destroyed.
3587 * tree-ssa-ccp.c (pass_ccp): Ditto.
3588 (pass_store_ccp): Ditto.
3589 * tree-ssa-dom.c (pass_dominator): Ditto.
3591 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3593 * tree-ssa-operands.c: Cleanup whitespace.
3594 (get_asm_expr_operands): Move before first invocation.
3595 (get_indirect_ref_operands): Likewise.
3596 (get_tmr_operands): Likewise.
3597 (get_call_expr_operands): Likewise.
3598 (append_def): Likewise.
3599 (append_use): Likewise.
3600 (append_v_may_def): Likewise.
3601 (append_v_must_def): Likewise.
3602 (add_call_clobber_ops): Likewise.
3603 (add_call_read_ops): Likewise.
3604 (add_stmt_operand): Likewise.
3605 (add_virtual_operand): Likewise.
3606 (build_ssa_operands): Likewise.
3608 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3613 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3614 with a call expr to ...
3615 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3617 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3619 * tree-vrp.c (extract_range_from_assert): Remove special
3620 handling for types with super-types.
3622 2006-03-01 Ben Elliston <bje@au.ibm.com>
3624 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3625 and powerpc64-*-linux* configurations.
3626 * config/t-dfprules: New file.
3628 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3629 Compile dfp-bit.c from the source directory using -DWIDTH and
3630 $DFP_CFLAGS to control the compilation of that file, rather than
3631 generating width-specific versions in the build directory.
3632 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3633 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3635 2006-02-28 Zack Weinberg <zackw@panix.com>
3637 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3640 2006-02-28 Eric Christopher <echristo@apple.com>
3642 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3643 Set up IN_LIBGCC definition of TARGET_64BIT.
3644 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3646 2006-02-28 Roger Sayle <roger@eyesopen.com>
3649 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3650 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3651 cases via the construction of "expr != 0".
3653 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3655 * alias.c (alias_invariant, alias_invariant_size): Remove.
3656 (record_base_value): Remove.
3657 (memrefs_conflict_p): Don't look at alias_invariant.
3658 (end_alias_analysis): Don't free it.
3659 * alias.h (record_base_value): Remove prototype.
3661 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3662 Adam Nemet <anemet@caviumnetworks.com>
3664 * rtl.h (truncated_to_mode): Declare it.
3665 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3666 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3667 (RTL_HOOKS_INITIALIZER): Include it.
3668 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3669 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3670 reg_truncated_to_mode.
3671 * rtlanal.c (truncated_to_mode): Define it.
3672 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3674 2006-02-28 Jeff Law <law@redhat.com>
3676 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3677 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3678 the range allowed by TYPE_PRECISION.
3680 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3682 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3684 PR tree-optimization/26419
3685 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3688 2006-02-27 Zack Weinberg <zackw@panix.com>
3690 * doc/md.texi: Fix typo in previous change.
3692 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3696 2006-02-27 Zack Weinberg <zackw@panix.com>
3698 * rtl.def (define_constraint, define_register_constraint)
3699 (define_memory_constraint, define_address_constraint): New MD forms.
3700 * gensupport.c (process_rtx): Put define_constraint etc on the
3702 * genpreds.c (process_define_predicate): Adjust comment. Validate
3703 the name, and call validate_exp to validate the expression.
3704 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3705 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3706 all callers changed.
3707 (validate_exp, needs_variable, struct constraint_data)
3708 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3709 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3710 (const_dbl_constraints, constraint_max_namelen)
3711 (have_register_constraints, have_memory_constraints)
3712 (have_address_constraints, have_address_constraints)
3713 (have_extra_constraints, have_const_int_constraints)
3714 (have_const_dbl_constraints, mangle, add_constraint)
3715 (process_define_constraint, process_define_register_constraint)
3716 (write_enum_constraint_num, write_lookup_constraint)
3717 (write_insn_constraint_len, write_regclass_for_constraint)
3718 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3719 (write_insn_extra_memory_constraint)
3720 (write_insn_extra_address_constraint)
3721 (write_satisfies_constraint_fns): New.
3722 (write_tm_preds_h): If we have new-style constraint definitions,
3723 prototype the functions generated from them, and define the
3724 old constraint interface (still used by generic code) in terms of
3726 (write_insn_preds_c): If we have new-style constraint definitions,
3727 generate all relevant functions from those definitions.
3728 (main): Handle define_constraint etc.
3729 * genoutput.c (struct constraint_data, indep_constraints)
3730 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3731 (mdep_constraint_len): New data structures and functions, defined
3732 #ifdef USE_MD_CONSTRAINTS.
3733 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3734 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3735 use new logic to validate operand constraints against constraint
3737 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3739 * defaults.h: If none of the old-style constraint macros are
3740 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3741 old-style macros; and poison REG_CLASS_FROM_LETTER,
3742 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3744 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3745 * doc/md.texi: Document new constraint-definition mechanism and the
3746 C interface it provides. Remove references to old mechanism
3747 elsewhere in the document.
3748 (Machine Constraints): Use pathnames relative to gcc directory,
3749 i.e. config/ARCH/FILE. Change i386 section to refer to
3750 config/i386/predicates.md; update that section to match docstrings.
3751 * doc/tm.texi: Move all documentation of the old constraint-
3752 definition macros to their own section, clearly mark as obsolete.
3754 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3755 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3757 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3758 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3759 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3761 (splits and peepholes): Use satisfies_constraint_*.
3762 * config/i386/i386.c (memory_address_length)
3763 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3765 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3767 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3768 scalar operation to be put back into the loop.
3770 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3773 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3774 (extract_cie_info): Handle S flag in augmentation string.
3775 (execute_cfa_program): If context->signal_frame, execute also
3776 fs->pc == context->ra instructions.
3777 (uw_frame_state_for): If context->signal_frame, don't subtract one
3778 from context->ra to find FDE.
3779 (uw_update_context_1): Set context->signal_frame to
3781 (_Unwind_GetIPInfo): New function.
3782 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3783 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3785 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3786 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3787 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3788 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3789 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3790 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3791 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3792 x86_64_fallback_frame_state): Set fs->signal_frame.
3793 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3794 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3795 (frob_update_context): Likewise. Workaround missing S flag in
3796 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3797 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3798 Remove the psw_addr + 1 hack.
3800 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3802 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3803 with aggregates here.
3804 (find_func_aliases): Remove code for &<aggregate> from here.
3806 2006-02-26 Roger Sayle <roger@eyesopen.com>
3808 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3809 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3810 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3813 2006-02-26 Roger Sayle <roger@eyesopen.com>
3816 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3818 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3820 * opts.c (decode_options): Do not handle flag_strength_reduce.
3821 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3822 and OPT_fstrength_reduce.
3823 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3824 flag_prefetch_loop_arrays for being nonzero.
3825 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3827 (fprefetch-loop-arrays-rtl): Removed.
3828 (flag_prefetch_loop_arrays): Do not specify the value.
3830 * doc/passes.texi: Update documentation of loop optimizer
3832 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3833 -frerun-loop-opt): Remove.
3835 2006-02-26 Richard Guenther <rguenther@suse.de>
3837 PR tree-optimization/26421
3838 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3839 in function calls that are ADDR_EXPRs as using the whole structure.
3841 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3843 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3844 * tree-pass.h (pass_loop_optimize): Remove.
3845 * passes.c (pass_loop_optimize): Never run it.
3846 * toplev.c (backend_init): Don't call init_loop.
3847 * opts.c (flag_loop_optimize_set): Remove.
3848 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3849 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3850 the old RTL loop optimizer when profiling enabled.
3851 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3852 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3853 pre-headers for the sake of the old RTL loop optimizer.
3854 * Makefile.in: Remove all references to loop.o.
3856 * doc/invoke.texi: Remove all references to -floop-optimize
3857 and -frerun-loop-opt.
3859 2006-02-26 Zack Weinberg <zackw@panix.com>
3861 * doc/md.texi (Machine Constraints): Refer to all files with paths
3862 relative to gcc directory (i.e. config/CPU/file). Add missing
3863 @table @code ... @end table to M32C subsection.
3865 2006-02-26 Roger Sayle <roger@eyesopen.com>
3867 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3869 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3871 2006-02-26 Roger Sayle <roger@eyesopen.com>
3872 James A. Morrison <phython@gcc.gnu.org>
3875 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3876 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3877 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3878 signedness of the shift operation.
3880 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3882 PR tree-optimization/26359
3883 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3885 2006-02-25 Roger Sayle <roger@eyesopen.com>
3887 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3888 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3889 as X == 0, and some symmetry related transformations.
3890 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3892 2006-02-25 Roger Sayle <roger@eyesopen.com>
3895 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3896 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3897 symmetry related transformations. Fold (X^C1) == C2 as
3900 2006-02-25 Juergen Weigert <jw@suse.de>
3901 Richard Guenther <rguenther@suse.de>
3903 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3905 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3907 * combine.c (gen_lowpart_or_truncate): Call
3908 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3910 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3912 * doc/invoke.texi: Move -fopenmp description to "Options for
3914 Remove reference to -lgomp.
3916 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3918 * doc/install.texi: Require GNU tar version 1.14.
3920 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3922 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3923 * doc/invoke.texi (C++ Dialect Options): Document
3924 -fno-use-cxa-get-exception-ptr.
3925 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3926 * configure: Regenerate.
3927 * c.opt (fuse-cxa-get-exception-ptr): New.
3928 * c-opts.c (c_common_handle_option): Handle
3929 OPT_fuse_cxa_get_exception_ptr.
3930 * c-common.c (flag_use_cxa_atexit): Update documentation.
3931 (flag_use_cxa_get_exception_ptr): New.
3932 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3933 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3935 (C_COMMON_OVERRIDE_OPTIONS): New.
3937 2006-02-24 Roger Sayle <roger@eyesopen.com>
3940 * combine.c (try_combine): Explicitly check whether GET_CODE is
3941 a SET or a CLOBBER, instead on checking that it isn't a USE.
3943 2006-02-24 Roger Sayle <roger@eyesopen.com>
3945 * fold-const.c (fold_comparison): New subroutine of fold_binary
3946 containing transformations common to both the equality and
3947 ordering relational operators, factored out of fold_binary.
3948 (fold_binary): Separate out the equality operators (EQ_EXPR
3949 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3950 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3951 transformations common to both.
3952 (fold_div_compare): Fix latent bugs in the previously unreachable
3953 LT_EXPR and GE_EXPR cases.
3955 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3957 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3958 decl libname for clog to __clog on AIX.
3960 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3962 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3965 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3966 output traceback table for thunks. Localise rs6000_stack_info call.
3968 2006-02-23 Roger Sayle <roger@eyesopen.com>
3969 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3971 * gthr-posix.h (__gthrw): Fix typo in comment.
3973 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3975 * doc/cpp.texi (Character sets): Document that we do support
3976 input files to be in any character set.
3978 2006-02-23 Jeff Law <law@redhat.com>
3980 * tree.h (PHI_ARG_NONZERO): Remove.
3981 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3982 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3983 node to the new node.
3985 PR tree-optimization/26425
3986 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3987 min/max, then assume its varying.
3989 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3991 PR rtl-optimization/26316
3992 * rtlanal.c (enum may_trap_p_flags): New.
3993 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3994 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3995 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3996 (may_trap_after_code_motion_p): New function.
3997 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3998 (find_invariant_insn): Use may_trap_after_code_motion_p.
3999 * rtl.h (may_trap_after_code_motion_p): Declare.
4001 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4003 * emit-rtl.c (immed_double_const): Cleanup.
4005 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4007 Fix PR tree-optimization/26376
4008 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4011 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4014 * gimplify.c (omp_add_variable): Guard variable size decl test with
4015 DECL_SIZE (decl) check.
4017 2006-02-23 Richard Guenther <rguenther@suse.de>
4020 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4021 like aggregate types.
4023 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4025 * configure.ac: Add --with{,out}-long-double-128 configure option.
4026 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4027 * configure: Rebuilt.
4028 * config.in: Rebuilt.
4029 * doc/install.texi (Options specification): Document
4030 --with-long-double-128.
4032 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4033 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4034 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4035 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4037 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4039 * config/s390/s390.c (override_options): Handle
4040 TARGET_DEFAULT_LONG_DOUBLE_128.
4042 * config/alpha/alpha.c (override_options): Handle
4043 TARGET_DEFAULT_LONG_DOUBLE_128.
4045 * config/sparc/sparc.c (sparc_override_options): Handle
4046 TARGET_DEFAULT_LONG_DOUBLE_128.
4048 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4050 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4051 (real-install-headers-tar, real-install-headers-cpio)
4052 (real-install-headers-cp): New targets.
4054 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4056 * tree.h (variable_section): Delete.
4057 * varasm.c (variable_section): Delete.
4059 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4061 * install.texi: Add notes on install.texi2html.
4062 (Building in parallel): Do not use footnotes.
4064 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4067 * doc/install.texi (Configuration): Document --disable-libgomp.
4069 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4071 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4073 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4075 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4076 (vec_extractv2df_0_sse): New.
4078 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4080 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4081 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4082 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4083 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4084 to the result of the expression.
4085 (def_cfa_1): Adjust.
4086 (frame_pointer_cfa_offset): Rename to...
4087 (frame_pointer_fb_offset): ... this. Adjust all uses.
4088 (convert_cfa_to_loc_list): Rename to...
4089 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4090 Pass it on to build_cfa_loc.
4091 (compute_frame_pointer_to_cfa_displacement): Rename to...
4092 (compute_frame_pointer_to_fb_displacement): ... this. New
4093 offset parameter. Use it in computation.
4094 (gen_subprogram_die): Compute cfa_fb_offset with the new
4095 macro, and use it to compute the fb loc list and the
4098 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4100 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4101 replaced with register_operand.
4102 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4103 non-DREG is expensive.
4104 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4105 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4108 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4110 * doc/install.texi2html: Use set -e.
4112 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4114 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4115 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4116 * doc/invoke.texi (-fshared-data): Delete.
4117 * common.opt (fshared-data): Delete.
4118 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4119 (assemble_static_space): Remove #if 0 code.
4120 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4121 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4122 * config/cris/cris.h: Remove FIXME.
4124 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4126 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4129 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4132 * combine.c (simplify_shift_const_1): Disable nested shifts
4133 optimization for vector shifts.
4135 2006-02-20 Roger Sayle <roger@eyesopen.com>
4137 PR tree-optimization/26361
4138 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4139 of unsigned integer types.
4141 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4143 * tree-chrec.c (eq_evolutions_p): New.
4144 * tree-chrec.h (eq_evolutions_p): Declared.
4145 * tree-data-ref.c: Fix formatting.
4146 (datadep_stats, dependence_stats): New.
4148 (print_direction_vector): New.
4149 (dump_data_dependence_relation): Use print_direction_vector.
4150 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4151 (compute_subscript_distance): Static.
4152 (initialize_data_dependence_relation): Static. Get the number
4153 of loops surrounding the references from the callers, and initialize
4154 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4155 base_object_differ_p analyzers.
4156 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4157 compute_overlap_steps_for_affine_1_2,
4158 analyze_subscript_affine_affine): Count the classified dependences.
4159 Print a message when a test failed.
4160 (can_use_analyze_subscript_affine_affine): New.
4161 (analyze_siv_subscript): Compute the data dependences on symbolic
4162 scevs that verify can_use_analyze_subscript_affine_affine.
4163 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4164 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4165 Handle symbolic scevs.
4166 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4168 (subscript_dependence_tester): Moved...
4169 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4170 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4171 DDR_SIZE_VECT instead of getting it in parameter.
4172 (subscript_dependence_tester): ... here. Take as a parameter
4173 loop_nest_depth. Call build_classic_dist_vector and
4174 build_classic_dir_vector.
4175 (compute_affine_dependence): Update subscript_dependence_tester
4176 parameters. Update datadep_stats counters. Call
4177 compute_subscript_distance.
4178 (compute_self_dependence): Save the dist and dir vectors. Call
4179 compute_subscript_distance.
4180 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4181 (compute_all_dependences): Reorder parameters as they were before
4182 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4183 compute_subscript_distance. Update the use of
4184 compute_affine_dependence and initialize_data_dependence_relation.
4185 (find_data_references_in_loop): Handle COMPONENT_REF.
4186 (compute_data_dependences_for_loop): Initialize dependence_stats.
4187 Don't call build_classic_dist_vector and build_classic_dir_vector.
4188 Update the parameters of initialize_data_dependence_relation and
4189 compute_all_dependences. Print the statistics from datadep_stats.
4190 (analyze_all_data_dependences): Static. Not used until the pass for
4191 checking the data dependences is contributed.
4192 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4193 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4194 (initialize_data_dependence_relation, compute_affine_dependence,
4195 analyze_all_data_dependences, compute_subscript_distance): Removed.
4196 (print_direction_vector): New.
4197 * lambda.h (gcd): ... here.
4198 (lambda_vector_gcd): Moved here from gcd_vector.
4199 * lambda-code.c (gcd, gcd_vector): Removed.
4200 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4201 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4203 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4205 * ipa-type-escape.c: Tidy some comments and white space.
4206 * tree-ssa-operands.c: Likewise.
4208 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4211 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4212 (dump_decl_name): Do not walk the decl tree chains.
4213 * tree-pass.h (TDF_CHAIN): Remove.
4215 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4217 * Makefile.in (C): Remove
4219 (.PHONY): Remove C and PROTO
4221 2006-02-20 Roger Sayle <roger@eyesopen.com>
4224 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4225 deprecated CHAR_TYPE tree code.
4227 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4229 * configure.ac (target_list): Add install-info, dvi, html.
4230 * configure: Regenerate.
4232 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4233 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4234 treelang/Make-lang.in: Do not use double-colon rules.
4236 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4238 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4239 (TMT_USED_ALONE): New macro.
4240 * tree-pass.h (PROP_tmt_usage): New property.
4241 (TODO_update_tmt_usage): New todo.
4242 * tree-ssa-alias.c (updating_used_alone): New variable.
4243 (recalculate_used_alone): New function.
4244 (compute_may_aliases): Set updating_used_alone, call
4245 recalculate_used_alone.
4246 * tree-sra.c (pass_sra): Note that this pass destroys
4247 PROP_tmt_usage, and add TODO_update_tmt_usage.
4248 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4249 * tree-flow.h (updating_used_alone): Prototype.
4250 (recalculate_used_alone): Ditto.
4251 * passes.c (execute_todo): Add code to set updating_used_alone,
4252 and call recalculate.
4253 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4254 for clobber if used alone, and add assert to verify used_alone
4257 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4259 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4260 for non tls symbols added.
4261 (legitimize_address): Do nothing for PLUS expressions if one of the
4262 addends is a tls symbol reference.
4264 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4268 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4270 * Makefile.in (BOOTSTRAPPING): New.
4271 (quickstrap): New definition if BOOTSTRAPPING=yes.
4273 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4274 * configure.ac: Substitute all_selected_languages with the languages
4275 that were configured. For all the other variables except
4276 lang_specs_files, include all the languages in the tree.
4277 * configure: Regenerate.
4279 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
4280 if there is one. Run the commands to run fixincludes in the same
4283 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4284 * doc/install.texi: Document exact conventions for searching target tools.
4285 Document --with-build-time-tools. Document toplevel bootstrap. Document
4286 something more about building an Ada cross-compiler. Don't list GNU Make
4287 requirements which affect all platforms.
4289 2006-02-19 Roger Sayle <roger@eyesopen.com>
4292 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4293 only equivalent if the have both the same mode and precision.
4295 2006-02-20 Ben Elliston <bje@au.ibm.com>
4297 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4299 2006-02-19 Roger Sayle <roger@eyesopen.com>
4300 Steven Bosscher <stevenb.gcc@gmail.com>
4302 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4303 constant pool references to identify stack mode constants.
4304 * rtlanal.c (constant_pool_constant_p): New predicate to check
4305 whether operand is a floating point constant in the pool.
4306 * rtl.h (constant_pool_constant_p): Prototype here.
4307 * loop.c (scan_loop): Avoid hoisting constants from the constant
4308 pool on STACK_REGS targets.
4309 (load_mems): Likewise.
4310 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4311 loads into x87 registers expensive in terms of register pressure.
4313 2006-02-19 Roger Sayle <roger@eyesopen.com>
4315 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4316 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4318 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4320 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4321 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4323 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4325 * doc/invoke.texi: Document -fipa-pta.
4326 * common.opt: Add ipa-pta option.
4327 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4328 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4329 (do_ds_constraint): Ditto.
4330 (get_constraint_for): Only add to referenced_vars if
4331 referenced_vars exists.
4332 (insert_into_field_list): Rewrite to do this unsorted.
4333 (insert_into_field_list_sorted): Rename old insert_into_field_list
4335 (create_function_info_for): Use insert_into_field_list_sorted.
4336 (create_variable_info_for): Rewrite so it uses unsorted version,
4337 since the field list is sorted.
4338 (intra_create_variable_infos): Only add to referenced_vars if
4339 referenced_vars exists.
4340 (ipa_pta_execute): Init heapvars, and delete when done.
4341 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4343 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4345 * doc/install.texi: Add missing `@samp'.
4347 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4349 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4352 2006-02-18 Mark Wielaard <mark@klomp.org>
4354 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4355 who added new 4.1 features, bug fixes and integration support.
4357 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4360 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4363 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4365 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4366 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4367 (copy_insn_1): Likewise. Don't copy each field individually.
4369 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4371 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4372 * rtl.c (rtx_size): Rename variable to...
4373 (rtx_code_size): ...this.
4374 (rtx_size): New function.
4375 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4376 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4378 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4379 * rtl.h (rtx_code_size): New variable.
4380 (rtx_size): Change from a variable to a function.
4381 (RTX_SIZE): Rename to...
4382 (RTX_CODE_SIZE): ...this.
4385 PR tree-optimization/17106
4386 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4387 (Anchored Addresses): New section.
4388 * doc/invoke.texi (-fsection-anchors): Document.
4389 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4390 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4391 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4392 * hooks.c (hook_bool_mode_rtx_false): New function.
4393 * hooks.h (hook_bool_mode_rtx_false): Declare.
4394 * gengtype.c (create_optional_field): New function.
4395 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4396 SYMBOL_REF_IN_BLOCK_P is true.
4397 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4398 (min_anchor_offset, max_anchor_offset): Likewise.
4399 (use_anchors_for_symbol_p): New hook.
4400 * toplev.c (compile_file): Call output_object_blocks.
4401 (target_supports_section_anchors_p): New function.
4402 (process_options): Check that -fsection-anchors is only used on
4403 targets that support it and when -funit-at-a-time is in effect.
4404 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4405 if the decl doesn't have one.
4406 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4407 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4408 of force_const_mem through use_anchored_address.
4409 (expand_expr_constant): New function.
4410 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4411 calling expand_expr for INDIRECT_REF.
4412 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4413 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4414 * expr.h (use_anchored_address): Declare.
4415 * loop-unroll.c: Don't declare rtx vectors here.
4416 * explow.c: Include output.h.
4417 (validize_mem): Call use_anchored_address.
4418 (use_anchored_address): New function.
4419 * common.opt (-fsection-anchors): New switch.
4420 * varasm.c (object_block_htab, anchor_labelno): New variables.
4421 (hash_section, object_block_entry_eq, object_block_entry_hash)
4422 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4423 (use_blocks_for_decl_p, change_symbol_section): New functions.
4424 (get_variable_section): New function, split out from assemble_variable.
4425 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4426 use_blocks_for_decl_p say so. Use change_symbol_section if the
4427 symbol has already been created.
4428 (assemble_variable_contents): New function, split out from...
4429 (assemble_variable): ...here. Don't output any code for
4430 block symbols; just pass them to place_block_symbol.
4431 Use get_variable_section and assemble_variable_contents.
4432 (get_constant_alignment, get_constant_section, get_constant_size): New
4433 functions, split from output_constant_def_contents.
4434 (build_constant_desc): Create a block symbol if use_object_blocks_p
4435 says so. Or into SYMBOL_REF_FLAGS.
4436 (assemble_constant_contents): New function, split from...
4437 (output_constant_def_contents): ...here. Don't output any code
4438 for block symbols; just pass them to place_section_symbol.
4439 Use get_constant_section and get_constant_alignment.
4440 (force_const_mem): Create a block symbol if use_object_blocks_p and
4441 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4442 (output_constant_pool_1): Add an explicit alignment argument.
4443 Don't switch sections here.
4444 (output_constant_pool): Adjust call to output_constant_pool_1.
4445 Switch sections here instead. Don't output anything for block symbols;
4446 just pass them to place_block_symbol.
4447 (init_varasm_once): Initialize object_block_htab.
4448 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4449 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4450 (place_block_symbol, get_section_anchor, output_object_block)
4451 (output_object_block_htab, output_object_blocks): New functions.
4452 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4453 (TARGET_ASM_OUT): Include it.
4454 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4455 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4456 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4457 (TARGET_INITIALIZER): Include them.
4458 * rtl.c (rtl_check_failed_block_symbol): New function.
4459 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4460 (block_symbol, object_block): New structures.
4461 (rtx_def): Add a block_symbol field to the union.
4462 (BLOCK_SYMBOL_CHECK): New macro.
4463 (rtl_check_failed_block_symbol): Declare.
4464 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4465 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4466 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4467 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4468 * output.h (output_section_symbols): Declare.
4469 (object_block): Name structure.
4470 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4471 (default_use_anchors_for_symbol_p): Declare.
4472 * Makefile.in (RTL_BASE_H): Add vec.h.
4473 (explow.o): Depend on output.h.
4474 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4475 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4476 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4477 (rs6000_use_blocks_for_constant_p): New function.
4479 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4481 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4483 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4486 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
4489 2006-02-18 Diego Novillo <dnovillo@redhat.com>
4491 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
4495 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4498 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
4499 instead of DECL_REGISTER.
4501 2006-02-18 Olivier Hainque <hainque@adacore.com>
4504 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4506 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4509 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4510 * opth-gen.awk: Handle Var and InverseMask together.
4511 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4512 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4513 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4514 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4516 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4517 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4518 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4519 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4520 LINUX_DYNAMIC_LINKER): Define.
4521 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4522 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4524 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4525 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4526 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4527 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4528 (TARGET_C99_FUNCTIONS): Don't define.
4529 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4530 GLIBC_DYNAMIC_LINKER.
4531 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4532 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4533 GLIBC_DYNAMIC_LINKER64): Define.
4534 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4535 LINUX_DYNAMIC_LINKER64.
4536 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4537 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4538 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4539 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4540 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4541 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4542 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4543 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4544 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4545 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4546 and LINUX_DYNAMIC_LINKER32.
4547 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4548 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4549 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4550 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4551 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4553 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4554 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4555 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4556 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4557 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4558 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4559 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4560 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4561 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4562 LINUX_DYNAMIC_LINKER): Define.
4563 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4564 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4565 GLIBC_DYNAMIC_LINKER64): Define.
4566 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4567 LINUX_DYNAMIC_LINKER64.
4568 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4569 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4570 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4571 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4572 LINUX_DYNAMIC_LINKER): Define.
4573 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4574 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4575 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4576 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4577 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4578 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4579 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4580 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4581 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4582 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4583 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4584 * doc/invoke.texi (-muclibc): Remove caveat about supported
4587 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4589 * doc/cpp.texi (__TIMESTAMP__): Document.
4591 2006-02-17 Roger Sayle <roger@eyesopen.com>
4594 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4595 C is one less than the width of X (and related transformations).
4596 * simplify-rtx.c (simplify_unary_operation_1): Transform
4597 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4598 depending on STORE_FLAG_VALUE, were C is one less then the
4601 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4603 Fix PR tree-optimization/26341
4604 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4605 about NAME_MEMORY_TAG's.
4607 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4610 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4611 with hardware float support, and software float support. Add fcpy
4612 alternative to hardware patterns. Add alternatives to copy between
4613 general and floating-point registers to the 32-bit pattern.
4614 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4615 secondary reload to load a QI or HI mode constant into a floating
4617 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4618 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4620 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4623 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4625 (load_macho_picbase_di): Likewise.
4627 2006-02-16 Jeff Law <law@redhat.com>
4629 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4630 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4631 (ssa_name_nonzero_p): Likewise.
4632 (get_value_range): Return NULL if VRP is not running.
4633 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4634 VRP routines do not discover a range.
4635 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4636 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4637 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4638 (tree_expr_nonnegative_p): Similarly.
4639 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4640 (restore_nonzero_vars_to_original_value): Remove.
4641 (unsafe_associative_fp_binop): Remove.
4642 (tree_ssa_dominator_optimize): Remove initialization and
4643 finalization of nonzero_vars and nonzero_vars_stack.
4644 (dom_opt_initialize_block): No longer push marker on
4646 (dom_opt_finalize_block): No longer call
4647 restore_nonzero_vars_to_original_value.
4648 (record_equivalences_from_phis): No longer look for
4649 nonzero PHI arguments.
4650 (cprop_into_successor_phis): No longer propagate nonzero
4651 property into PHI arguments. Lose unused argument. Caller
4653 (record_equivalences_from_stmt): No longer record nonzero
4654 values for SSA_NAMEs.
4655 (lookup_avail_expr): No longer use nonzero_vars.
4657 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4658 for sizetype when sizetype is unsigned.
4660 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4662 PR rtl-optimization/25603
4663 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4664 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4665 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4666 with new meaning of SETS.
4668 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4673 * config/linux.opt: New file.
4674 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4675 LINUX_DYNAMIC_LINKER): Define.
4676 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4677 * config.gcc (*-*-linux*): Define extra_options.
4678 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4679 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4680 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4681 GLIBC_DYNAMIC_LINKER.
4682 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4683 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4684 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4685 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4686 * doc/invoke.texi (GNU/Linux Options): New section.
4688 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4690 * config/sparc/sparc.md (setjmp): Rewrite.
4691 (setjmp_32): Delete.
4692 (setjmp_64): Likewise.
4694 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4696 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4699 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4701 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4704 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4706 PR rtl-optimization/26296
4707 * Makefile.in (loop-invariant.c): Add except.h dependency.
4708 * loop-invariant.c: Include except.h.
4709 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4711 2005-02-16 Paul Brook <paul@codesourcery.com>
4713 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4716 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4718 PR rtl-optimization/25636
4719 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4720 when deciding whether an insn is an initializing insn.
4722 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4724 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4725 (tree_code_size): Ditto.
4726 * tree.h (struct tree_memory_tag): Remove parent_var.
4727 (struct tree_struct_field_tag): New.
4730 (union tree_node): Add sft member.
4731 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4733 (create_sft): Add size and offset argument, set SFT_OFFSET and
4735 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4736 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4737 * tree-flow-inline.h (get_subvar_at): Update for
4738 SFT_OFFSET/SFT_SIZE.
4739 (var_can_have_subvars): Ditto.
4740 (overlap_subvar): Ditto.
4741 * print-tree.c (print_node): Print out interesting things for
4743 * tree-flow.h (struct subvar): Remove offset and size members.
4744 * tree-ssa-operands.c (get_expr_operands): Update for
4745 get_indirect_ref_operands changes.
4746 (get_indirect_ref_operands): Call add_virtual_operand instead of
4747 add_stmt_operand. Only recurse on base var if requested.
4748 (access_can_touch_variable): New function.
4749 (add_stmt_operand): Split virtual operand handling into ...
4750 (add_virtual_operand): Here. Add offset, size, and for_clobber
4751 arguments. Prune alias sets.
4752 (add_call_clobber_ops): Call add_virtual_operand.
4754 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4757 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4759 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4760 than TREE_CODE as index into omp_clause_num_ops array.
4762 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4764 PR rtl-optimization/26184
4765 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4767 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4768 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4769 must_precede, must_follow and tobe_scheduled.
4772 * opts.c (common_handle_option): Free new_option pointer.
4773 * df-core.c (df_analyze): Free postorder pointer.
4775 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4777 * Makefile.in: Fix the examples about the use of stamps
4779 2006-02-15 Michael Matz <matz@suse.de>
4783 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4784 influenced by maximum_field_alignment or DECL_PACKED.
4785 (update_alignment_for_field): Ditto.
4786 (place_field): Ditto.
4787 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4790 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4792 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4793 (debug_flow_info): Pass it.
4794 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4795 * bb-reorder.c (reorder_basic_blocks): Likewise.
4796 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4797 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4798 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4799 * gcse.c (gcse_main, bypass_jumps): Likewise.
4800 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4801 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4802 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4803 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4804 * rtl.h (dump_flow_info): Adjust prototype.
4805 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4806 * var-tracking.c (variable_tracking_main): Likewise.
4807 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4808 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4811 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4813 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4816 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4818 PR tree-optimization/26209
4819 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4820 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4822 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4824 2006-02-14 Roger Sayle <roger@eyesopen.com>
4827 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4828 (X,Y) and the corresponding symmetry related transformations.
4829 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4830 (X,Y) and its symmetry related transformations.
4832 2006-02-14 Roger Sayle <roger@eyesopen.com>
4834 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4837 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4839 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4841 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4844 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4845 support COMDAT group.
4846 * configure: Regenerate.
4848 2006-02-14 Roger Sayle <roger@eyesopen.com>
4853 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4855 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4857 Fix PR tree-optimization/26260
4859 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4861 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4862 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4863 * tree-ssa-structalias.c (create_variable_info_for): Use
4864 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4866 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4868 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4870 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4871 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4872 of the ending condition.
4873 * tree-ssa-loop-manip.c: Include params.h.
4874 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4875 tree_unroll_loop): New functions.
4876 * tree-pass.h (pass_loop_prefetch): Declare.
4877 * loop.c (rest_of_handle_loop_optimize): Test for
4878 -fprefetch-loop-arrays-rtl.
4879 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4880 * timevar.def (TV_TREE_PREFETCH): New timevar.
4881 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4882 pass_loop_prefetch): New.
4883 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4884 (cleanup_tree_cfg_loop): Call scev_reset.
4885 * common.opt (fprefetch-loop-arrays-rtl): Add.
4886 * tree-ssa-loop-prefetch.c: New file.
4887 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4888 (new_temp_expr_table): Initialize expr_vars.
4889 (free_temp_expr_table): Cleanup expr_vars.
4890 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4891 expressions from being merged into one.
4892 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4893 (struct tree_niter_desc): Add control, bound and cmp fields.
4894 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4896 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4897 (tree-cfgcleanup.o): Add SCEV_H dependency.
4898 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4899 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4901 2006-02-14 Richard Guenther <rguenther@suse.de>
4903 PR tree-optimization/26258
4904 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4905 in PHI argument processing.
4907 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4909 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4910 new expression in the requested machine mode.
4912 2006-02-13 Roger Sayle <roger@eyesopen.com>
4914 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4915 directly, instead let do_compare_rtx_and_jump handle this for us.
4916 * expr.c (expand_expr_real_1): Likewise.
4917 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4918 before do_jump_by_parts_greater.
4919 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4920 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4922 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4924 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4926 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4928 PR rtl-optimization/26235
4929 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4930 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4933 2006-02-13 Jeff Law <law@redhat.com>
4935 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4938 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4941 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4942 twice if decl is a builtin. When trying again, call get_callee_fndecl
4943 first to verify it is still a builtin.
4945 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4947 * dwarf2out.c (base_type_die): Don't add AT_name here.
4948 (subrange_type_die): Don't add AT_name here.
4949 (modified_type_die): Rearrange code flow. Do add AT_name here.
4951 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4953 PR rtl-optimization/26247
4954 PR rtl-optimization/26248
4955 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4957 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4959 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4960 * config/fixtfdi.c: Likewise.
4961 * config/fixunstfdi.c: Likewise.
4962 * config/floatditf.c: Likewise.
4964 2006-02-13 Roger Sayle <roger@eyesopen.com>
4967 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4968 into (X,C2) if C1 is a subset of the bits of C2. Transform
4969 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4971 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4973 2006-02-13 Josh Conner <jconner@apple.com>
4976 * varasm.c (function_section): Check for section name before
4977 calling select_section on targets that define
4978 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4979 unlikely_text_section instead of hot_function_section if
4980 first_function_block_is_cold.
4982 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4985 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4987 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4989 PR rtl-optimization/26222
4990 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4991 after tree->rtl expansion.
4992 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4993 before passing it to emit_move_insn.
4995 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4997 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4999 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5000 Clarify documentation.
5001 * c-common.h (warn_write_strings): Remove.
5002 * c-common.c (warn_write_strings): Likewise.
5003 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5006 2006-02-12 Roger Sayle <roger@eyesopen.com>
5009 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5010 (do_jump_parts_zero_rtx): New function renamed from
5011 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5012 (do_jump_parts_equality_rtx): New function split out from
5013 do_jump_parts_equality. Old implementation renamed as above.
5014 Call do_jump_parts_zero_rtx if either operand is zero.
5015 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5016 do all of the heavy lifting.
5017 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5018 calling either do_jump_by_parts_greater_rtx or
5019 do_jump_by_parts_equality_rtx.
5020 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5021 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5022 moved to do_compare_rtx_and_jump, call it directly.
5023 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5024 mode argument. Call do_compare_rtx_and_jump.
5025 (emit_case_nodes): Update calls to do_jump_if_equal.
5027 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5029 PR rtl-optimization/26225
5030 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5032 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5034 PR rtl-optimization/26232
5035 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5037 2006-02-11 Jason Merrill <jason@redhat.com>
5040 * tree-inline.c (declare_return_variable): Just don't use the
5041 modify target if it's a gimple complex reg and the return slot
5044 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5046 * doc/contrib.texi: Update my entry.
5048 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5050 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5052 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5054 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5057 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5059 * doc/invoke.texi (-floop-optimize2): Removed.
5060 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5061 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5062 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5063 * common.opt (floop-optimize2): Removed.
5064 (fmove-loop-invariants): Enabled by default.
5066 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5068 * tree-if-conv.c (combine_blocks): Free the result of
5069 get_loop_exit_edges.
5071 2006-02-10 Jeff Law <law@redhat.com>
5073 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5075 PR tree-optimization/26213
5076 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5077 loop trying to follow SSA_NAME_VALUE chains.
5079 2006-02-10 Richard Guenther <rguenther@suse.de>
5081 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5082 deal with structures that end in implicitly variable sized arrays.
5084 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5086 PR rtl-optimization/24762
5087 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5090 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5092 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5093 (struct ivopts_data): Add regs_used field.
5094 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5095 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5096 instead of loop_data->regs_used;
5097 (free_loop_data): Do not free aux fields for loops.
5098 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5099 and tree_ssa_iv_optimize_finalize.
5101 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5103 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5105 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5108 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5109 computing the effective result type.
5111 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5114 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5115 (tree_overlaps_hard_reg_set): Declare.
5116 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5117 type and signature to match function type expected by walk_tree.
5118 (tree_overlaps_hard_reg_set): New function.
5119 (decl_conflicts_with_clobbers_p): Rename to:
5120 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5121 Use tree_overlaps_hard_reg_set. Changed caller.
5122 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5123 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5124 * cris.c (cris_md_asm_clobbers): Likewise.
5126 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5128 * reload1.c (emit_input_reload_insns): Delete code that tries to
5129 inherit using find_equiv_reg.
5131 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5133 * c-common.h (flag_const_strings): Don't declare.
5134 * c-common.c (flag_const_strings): Remove.
5135 * c.opt (fconst_strings): Remove.
5136 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5137 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5138 (c_common_init_options): Don't set flag_const_strings.
5139 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5141 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5143 * arm.md (tlobits_cbranch): New pattern.
5144 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5145 testing a single bit.
5147 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5150 * tree-ssa-pre.c (create_component_ref_by_pieces):
5151 Handle RETURN_DECL like VAR_DECL.
5153 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5156 * fold-const.c (fold_indirect_ref_1): Fold
5157 "*(foo *)&complexfoo" to "__real__ complexfoo"
5158 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5160 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5162 * tree-flow-inline.h (var_can_have_subvars):
5163 Volatile variables should not have subvariables.
5165 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5168 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5169 multiplying unsigned values.
5172 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5174 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5176 2006-02-08 Jason Merrill <jason@redhat.com>
5179 * tree.def: Elaborate on difference from MODIFY_EXPR.
5180 * doc/c-tree.texi (INIT_EXPR): Likewise.
5181 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5182 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5183 (gimplify_target_expr): Likewise.
5184 (gimplify_cond_expr): Remove target handling.
5185 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5186 (gimplify_expr): Clobber it here.
5187 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5188 Do return slot optimization if we have an INIT_EXPR.
5191 * tree-inline.c (declare_return_variable): Also clear
5192 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5195 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5198 * gimplify.c (gimplify_one_sizepos): Fix typo.
5200 2006-02-08 Jeff Law <law@redhat.com>
5202 PR tree-optimization/21417
5203 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5204 across a backedge if the control statement at the end of the
5205 block is data dependent on other statements in the same block.
5206 (record_temporary_equivalences_from_stmts): Remove over-conservative
5207 test for threading across backedges.
5209 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5210 control statement, handle all three special cases in the same
5211 manner as they all have the same desired solution. No longer
5212 special case edge flag updating when the post dominator is
5215 2006-02-08 Roger Sayle <roger@eyesopen.com>
5217 * tree.def (CHAR_TYPE): Remove.
5218 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5219 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5220 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5221 (gen_string_type_die): Delete unreachable function.
5223 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5224 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5225 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5226 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5227 * builtins.c (type_to_class): Likewise.
5228 * fold-const.c (fold_convert, build_range_check,
5229 merge_ranges): Likewise.
5230 * expr.c (count_type_elements): Likewise.
5231 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5232 * stor-layout.c (layout_type): Likewise.
5233 * ipa-type-escape.c (type_to_consider): Likewise.
5234 * gimplify.c (omp_firstprivatize_type_sizes,
5235 gimplify_type_sizes): Likewise.
5236 * explow.c (promote_mode): Likewise.
5237 * tree-sra.c (is_sra_scalar_type): Likewise.
5238 * varasm.c (output_constant): Likewise.
5239 * tree-inline.c (remap_type_1): Likewise.
5240 * convert.c (convert_to_pointer, convert_to_real,
5241 convert_to_integer, convert_to_complex): Likewise.
5243 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5245 * df-scan.c (df_def_record_1): A set destination may
5246 be a parallel regardless of mode.
5248 2006-02-08 Roger Sayle <roger@eyesopen.com>
5251 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5252 * config/mips/_tilib.c: Remove.
5253 * config/fixtfdi.c: New libgcc source file.
5254 * config/fixunstfdi.c: New source file.
5255 * config/floatditf.c: New source file.
5256 * config/floatunditf.c: New souce file.
5257 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5258 files above instead of config/mips/_tilib.c.
5259 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5261 2006-02-08 Jeff Law <law@redhat.com>
5263 PR tree-optimization/26169
5264 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5267 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5269 * df.h (DF_REG_SIZE): Return the length of the initialized
5272 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5274 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5275 __muldf3): Return a correctly signed zero.
5277 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5279 * passes.c (register_one_dump_file): Accept the current properties
5280 instead of pass number. Adjust call to dump_register. Remove
5282 (register_dump_files): Now a wrapper around...
5283 (register_dump_files_1): ... this one. Do not modify the pass
5285 (next_pass_1): Cosmetic fix.
5286 (execute_todo): Keep second parameter only. Use curr_properties
5287 instead of fetching it from the pass structure. Check and set
5289 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5290 instead of fetching it from the pass structure. Fix calls to
5291 execute_todo. Update curr_properties and initialize .vcg RTL dump
5292 after running the pass. Reset last_verified.
5293 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5295 (FIRST_AUTO_NUMBERED_DUMP): New.
5296 (dump_register): Remove "num" parameter, assign it within the
5298 (get_dump_file_name): Modify template for dumps.
5299 * tree-dump.h (dump_register): Adjust prototype.
5300 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5301 (PROP_trees): Add PROP_gimple_lomp.
5302 (TODO_set_props): New.
5303 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5304 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5305 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5307 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5309 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5310 (sparc64-*-linux*): Likewise.
5311 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5312 * config/sparc/t-linux: New file.
5313 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5314 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5315 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5316 -m32 -mlong-double-128.
5318 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5319 * config/alpha/t-linux: New file.
5320 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5322 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5323 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5324 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5325 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5326 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5327 (CPP_ARCH32_SPEC): Remove.
5329 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5331 PR tree-optimization/26145
5332 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5335 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5338 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5339 >= 240000 when generating code for SOM runtime.
5340 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5341 to $$dyncall when generating code for SOM runtime..
5343 2006-02-07 Dirk Mueller <dmueller@suse.com>
5346 * doc/invoke.texi (-Wsequence-point): Update documentation
5347 that -Wsequence-point is implemented for C++ as well.
5349 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5351 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5352 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5353 (LIB_SPEC): Likewise.
5354 * doc/invoke.texi (SPARC options): Document -pthread.
5356 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5358 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5361 2006-02-07 Roger Sayle <roger@eyesopen.com>
5363 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5364 Correct comment describing BOOLEAN_TYPE.
5366 2006-02-07 Dirk Mueller <dmueller@suse.com>
5368 * c.opt: C++ frontend supports -Wdiv-by-zero.
5369 * c-opts.c (c_common_handle_option): Remove dead case.
5371 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5373 * configure.ac (TLS assembler check): Do not enable TLS by
5374 default on SPARC/Solaris before version 10.
5375 * configure: Regenerate.
5377 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5379 * doc/invoke.texi (xl-compat): Document conversion and support
5382 2006-02-07 Jeff Law <law@redhat.com>
5384 * tree-vrp.c (find_conditional_asserts): Update comments.
5385 (simplify_stmt_for_jump_threading): New.
5386 (identify_jump_threads, finalize_jump_threads): New.
5387 (vrp_finalize): Call identify_jump_threads.
5388 (execute_vrp): Call finalize_jump_threads.
5389 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5390 (vrp_element, vrp_data, vrp_element_p): Remove.
5391 (vrp_hash_elt, vrp_variables_stack): Remove.
5392 (vrp_hash, vrp_eq, record_range): Remove.
5393 (simplify_cond_and_lookup_avail_expr): Remove.
5394 (extract_range_from_cond): Remove.
5395 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5396 (simplify_stmt_for_jump_threading): New.
5397 (dom_thread_across_edge): New wrapper.
5398 (tree_ssa_dominator_optimize): No longer initialize or
5399 finalize any of the VRP datastructures. Remove iteration
5400 step and simplify as a result of removal of iteration step.
5401 (pass_dominator): Perform a cfg cleanup after DOM.
5402 (dom_opt_finalize_block): Use the new common routines
5403 for threading jumps. Simplify stack management slightly.
5404 No longer need to unwind VRP state.
5405 (record_equivalences_from_incoming_edge): No longer record
5407 (eliminate_redundant_computations): No longer call
5408 simplify_cond_and_lookup_avail_expr.
5409 * tree-flow.h (potentially_threadable_block): Prototype.
5410 (thread_across_edge): Likewise.
5411 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5412 (tree-ssa-threadedge.o): Add dependencies.
5413 * tree-ssa-threadedge.c: New file.
5414 * passes.c (init_optimization_passes): Merge PHIs before
5415 calling VRP. Run VRP again late in the SSA optimization pipeline.
5417 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5419 * df-core.c (df_set_blocks): Do not dereference function pointers.
5420 (df_finish1): Likewise.
5421 (df_hybrid_search_forward): Likewise.
5422 (df_hybrid_search_backward): Likewise.
5423 (df_iterative_dataflow): Likewise.
5424 (df_analyze_problem): Likewise.
5425 (df_compact_blocks): Likewise.
5426 (df_dump): Likewise.
5427 * df-scan.c (df_rescan_blocks): Likewise.
5428 (df_record_entry_block_defs): Likewise.
5430 * genconditions.c (write_conditions): Guard the definition of
5431 'insn_conditions' with the check on GCC version.
5432 (write_writer): Guard the traversal 'insn_conditions' with
5433 the check on GCC version.
5435 2006-02-07 Richard Guenther <rguenther@suse.de>
5439 2006-01-30 Richard Guenther <rguenther@suse.de>
5441 * gimplify.c (gimplify_target_expr): Handle easy cases
5442 without creating a temporary.
5444 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5446 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5447 use of float in probability computations. Use edge probabilities
5448 in place of statically computed probabilities.
5449 (min_spec_prob): New static variable.
5450 (schedule_insns): Initialize it.
5451 (GET_SRC_PROB): Removed.
5452 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5454 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5457 * config/ia64/unwind-ia64.c: Revert last change.
5458 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5459 (INCOMING_FRAME_SP_OFFSET): Define.
5461 2006-02-06 Roger Sayle <roger@eyesopen.com>
5463 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5465 2006-02-07 Ben Elliston <bje@au.ibm.com>
5467 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5468 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5469 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5470 (ix86_return_in_memory): Handle TDmode.
5471 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5472 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5474 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5476 * reorg.c (dbr_schedule): Use dump_file instead of file.
5478 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5481 * config/ia64/predicates.md (extr_len_operand): New predicate.
5482 * config/ia64/ia64.md (extv): Tighten constraints.
5484 (*tbit_and_2): Ditto.
5485 (*tbit_and_3): Ditto.
5486 (*tbit_or_2): Ditto.
5487 (*tbit_or_3): Ditto.
5491 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
5494 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
5496 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5498 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
5499 loop_optimizer_init and loop_optimizer_finalize
5500 * tree-ssa-sink.c (execute_sink_code): Ditto.
5501 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5502 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5503 tree_ssa_loop_done): Ditto.
5504 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5505 * sched-ebb.c: Include output.h.
5506 (schedule_ebbs): Do not use dump argument.
5507 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5508 * loop.c (loop_dump_stream): Removed.
5509 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5511 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5512 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5513 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5514 loop_iterations, strength_reduce, record_biv, record_giv,
5515 final_giv_value, check_final_value, check_ext_dependent_givs,
5516 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5517 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5518 dump_file instead of loop_dump_stream.
5519 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5521 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5523 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5524 * haifa-sched.c: Include output.h
5525 (schedule_insns, sched_init): Do not use dump argument.
5526 * mode-switching.c (optimize_mode_switching): Ditto.
5527 * modulo-sched.c (stats_file): Removed.
5528 (print_node_sched_params): Do not call argument dump_file.
5529 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5530 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5532 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5534 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5535 rtl_loop_init, rtl_loop_done): Ditto.
5536 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5537 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5539 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5540 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5541 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5542 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5543 * emit-rtl.c (renumber_insns): Ditto.
5544 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5545 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5546 * regclass.c (regclass): Ditto.
5547 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5548 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5549 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5550 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5552 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5553 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5555 * gcse.c (gcse_file, debug_stderr): Removed.
5556 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5557 rest_of_handle_gcse): Do not use dump argument.
5558 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5559 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5560 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5561 compute_code_hoist_vbeinout, compute_code_hoist_data,
5562 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5563 compute_store_table, build_store_vectors, insert_insn_start_bb,
5564 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5565 store_motion): Use dump_file instead of gcse_file.
5566 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5567 * profile.c (profile_dump_file): Removed.
5568 (branch_prob): Use dump_file instead of profile_dump_file.
5569 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5571 * tree-ssa-copy.c (dump_copy_of): Ditto.
5572 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5573 dump file to life_analysis.
5574 * bt-load.c (branch_target_load_optimize): Ditto.
5575 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5577 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5578 regclass, dbr_schedule): Declaration changed.
5579 * sched-int.h (sched_init): Declaration changed.
5580 * tree-profile.c (tree_profile_dump_file): Removed.
5581 (tree_profile_hooks): Removed profile_dump_file hook.
5582 * rtl-profile (rtl_profile_dump_file): Removed.
5583 (rtl_profile_hooks): emoved profile_dump_file hook.
5584 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5586 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5587 * tree-cfg.c (build_tree_cfg): Ditto.
5588 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5589 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5590 Declaration changed.
5591 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5592 life_analysis and schedule_insns.
5593 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5595 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5597 * config/mips/mips.c (mips_reorg): Ditto.
5598 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5601 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5603 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5604 (s390_mangle_fundamental_type): New.
5605 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5608 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5609 (alpha_mangle_fundamental_type): New.
5610 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5613 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5615 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5617 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5618 (sparc_mangle_fundamental_type): New.
5620 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5622 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5623 (s390x-*-linux*): Likewise.
5624 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5625 * config/s390/t-linux: New file.
5627 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5629 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5630 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5632 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5634 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5635 (ANTIC_SAFE_LOADS): New macro.
5636 (find_or_generate_expression): Add prototype.
5637 (set_contains_value): Allow null set for sake of not always having
5638 to allocate ANTIC_SAFE_LOADS.
5639 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5640 Allow COMPONENT_REF too.
5641 (valid_in_set): Allow COMPONENT_REF.
5642 Check ANTIC_SAFE_LOADS too.
5643 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5644 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5646 (can_PRE_operation): Add COMPONENT_REF.
5647 (create_component_ref_by_pieces): New function.
5648 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5649 (insert_aux): Move AGGREGATE_TYPE_P check here.
5650 (compute_avail): Set bb local stmt uids.
5651 (pass_pre): Use TODO_update_ssa_only_virtuals.
5653 2006-02-06 Ben Elliston <bje@au.ibm.com>
5655 * configure.ac: Unconditionally disable decimal float by default.
5656 * configure: Regenerate.
5658 2006-02-06 Ben Elliston <bje@au.ibm.com>
5660 * read-rtl.c (read_name): Terminate reading on EOF.
5662 2006-02-06 Ben Elliston <bje@au.ibm.com>
5664 * dfp.c (decimal_real_arithmetic): Change second argument type
5665 from int to enum tree_code. Do not always return true, but now
5666 return result of any call to decimal_do helper functions.
5667 * dfp.h (decimal_real_arithmetic): Update prototype.
5669 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5671 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5673 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5676 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5679 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5681 * tree-vrp.c (cfg_loops): Removed.
5682 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5683 Use current_loops instead of cfg_loops. Pass flags to
5684 loop_optimizer_init.
5685 * cfgloopmanip.c (fix_loop_structure): Update only available
5687 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5688 loop_optimizer_init.
5689 * modulo-sched.c (build_loops_structure): Removed.
5690 (sms_schedule): Use loop_optimizer_init.
5691 * loop-init.c (loop_optimizer_init): Use flags to determine
5692 which properties of loops to prepare.
5693 (rtl_loop_init): Pass flags to loop_optimizer_init.
5694 * tree-ssa-sink.c (execute_sink_code): Ditto.
5695 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5696 * tree-ssa-pre.c (init_pre): Ditto.
5697 * cfgloop.h (LOOPS_NORMAL): New.
5698 (loop_optimizer_init): Declaration changed.
5700 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5702 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5703 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5705 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5707 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5709 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5710 * pa/t-pa64: Delete quadlib.c rule.
5711 * pa/x-ada: Revert last change.
5712 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5714 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5716 PR rtl-optimization/26087
5717 * rtlanal.c (canonicalize_condition): Do not cross basic block
5720 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5723 * config/ia64/ia64.c: Include debug.h.
5724 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5725 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5726 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5727 (process_epilogue, process_set, process_for_unwind_directive):
5728 Output unwind info only if requested. Add CFA info if requested.
5729 Add new arguments as needed. Adjust callers.
5730 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5732 (DWARF2_FRAME_INFO): Define to zero.
5733 * config/ia64/unwind-ia64.c: Remove code that compensated for
5734 the CFA offset error fixed above.
5735 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5736 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5737 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5738 -funwind-tables and -fexceptions to enable frame info.
5739 (dwarf2out_frame_init): Define initial CFA even if
5740 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5741 DWARF2_UNWIND_INFO is nonzero, not just defined.
5742 (dwarf2out_frame_finish): Output non-EH call frame info only
5743 if DWARF2_FRAME_INFO is nonzero.
5744 (convert_cfa_to_loc_list,
5745 compute_frame_pointer_to_cfa_displacement): Define even if
5746 unwind info is not supported.
5747 (gen_subprogram_die): Use the above unconditionally. Remove
5748 legacy alternate code.
5749 * toplev.c (compile_file): Compile in call to
5750 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5751 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5753 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5754 Jakub Jelinek <jakub@redhat.com>
5756 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5757 IBM extended float format long double as "g" on powerpc*-linux.
5759 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5762 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5763 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5765 2006-02-03 Jason Merrill <jason@redhat.com>
5768 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5771 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5772 on the return slot if it's an NRV.
5774 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5776 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5777 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5778 rewrite_use): Do not handle USE_OUTER.
5779 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5780 add_iv_outer_candidates, may_replace_final_value,
5781 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5782 (find_interesting_uses_op): Functionality of
5783 find_interesting_uses_outer_or_nonlin moved here.
5784 (find_interesting_uses_outside): Use find_interesting_uses_op.
5786 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5789 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5791 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5792 Ulrich Weigand <uweigand@de.ibm.com>
5795 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5796 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5797 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5798 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5800 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5801 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5802 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5803 Define secondary reloads for TFmode moves.
5804 (constant_modes): Add TFmode.
5805 (NR_C_MODES): Set to 8.
5806 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5808 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5809 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5810 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5811 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5812 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5813 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5814 (FPR mode macro): Add TFmode.
5815 (DSF mode macro): New.
5816 (<de>, <dee> mode attributes): Removed.
5817 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5818 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5819 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5820 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5821 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5822 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5823 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5824 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5825 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5826 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5827 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5828 "*negabs<mode>2", "sqrt<mode>2"):
5829 Changed <de> to <xde>. R constraint replaced by <Rf>.
5830 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5832 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5833 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5834 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5836 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5837 "extenddftf2", "extendsftf2"): New expanders.
5838 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5839 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5840 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5841 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5843 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5844 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5845 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5846 __floatditf): Add a GCC_4.1.0 symbol version tag.
5847 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5850 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5853 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5854 Use targetm.binds_local_p instead of TREE_PUBLIC.
5856 2006-02-02 Roger Sayle <roger@eyesopen.com>
5858 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5859 on INTEGER_TYPEs to indicate that it denotes a character type.
5860 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5861 signed_char_type_node, unsigned_char_type_node and char_type_node.
5862 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5863 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5864 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5866 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5867 Daniel Berlin <dberlin@dberlin.org>
5869 * tree-tailcall.c (arg_needs_copy_p): New function.
5870 (eliminate_tail_call): Use arg_needs_copy_p.
5871 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5872 (add_virtual_phis): New function.
5874 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5876 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5877 #ignore instead of #scratch for %g7 .register directive.
5879 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5881 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5884 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5886 * flow.c (calculate_global_regs_live): Assert that there aren't any
5889 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5891 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5893 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5894 bsi_after_labels iterator.
5895 * tree-if-conv.c (find_phi_replacement_condition,
5896 replace_phi_with_cond_modify_expr): Likewise.
5897 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5898 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5900 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5902 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5904 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5907 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5908 array after growing it.
5910 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5913 * fold-const.c (fold_checksum_tree): Change type of buf.
5915 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5917 * reload.c (push_secondary_reload): Initialize t_icode.
5919 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5921 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5922 -msoft-float -mlong-double-128 only issue a warning, but don't
5923 swich to DFmode long double.
5925 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5927 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5928 has a constant equivalent, iterate over equivalents for arg0,
5929 calling simplify_relational_operation and if there's a result
5930 cheaper than X, apply fold_rtx and return the result.
5932 2006-02-01 Jan Hubicka <jh@suse.cz>
5934 * opts.c (no_unit_at_a_time_default): New global variable.
5935 (decode_options): Use it.
5936 * opts.h (no_unit_at_a_time_default): Declare.
5938 2006-02-01 Paul Brook <paul@codesourcery.com>
5940 * function.c (assign_parm_setup_reg): Use function argument promotion
5942 * expr.c (expand_expr_real_1): Use function argument promotion rules
5945 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5947 * gcc.c (process_command): Change j to 'unsigned int'.
5949 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5952 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5953 Use the corrected index for the character
5954 out of the string constant.
5956 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5958 * mode-switching.c (optimize_mode_switching): Fix size
5959 allocated for bb_info[n_entities].
5961 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5963 * gcc.c (main): Correct type that is allocated for
5964 explicit_link_files.
5966 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5968 * config/s390/s390.c (init_alignment_context): Set
5969 ALIAS_SET_MEMORY_BARRIER on the MEM.
5970 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5972 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5975 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5977 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5980 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5982 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5983 * regrename.c: Ditto.
5984 * tree-ssa-loop-im.c: Ditto.
5985 * tree-dump.c: Ditto.
5986 * tree-complex.c: Ditto.
5987 * genrecog.c: Ditto.
5988 * tree-ssa-threadupdate.c: Ditto.
5990 * java/class.c: Ditto.
5991 * java/jcf-parse.c: Ditto.
5992 * java/resource.c: Ditto.
5993 * java/except.c: Ditto.
5994 * java/jvspec.c: Ditto.
5995 * java/jcf-write.c: Ditto.
5996 * java/jcf-path.c: Ditto.
5997 * java/gjavah.c: Ditto.
5998 * java/zextract.c: Ditto.
5999 * java/jcf-io.c: Ditto.
6000 * java/jcf.h: Ditto.
6001 * java/buffer.c: Ditto.
6002 * java/lang.c: Ditto.
6003 * java/parse-scan.y: Ditto.
6004 * java/lex.c: Ditto.
6005 * java/lex.h: Ditto.
6006 * cfgloopmanip.c: Ditto.
6007 * postreload-gcse.c: Ditto.
6008 * tree-ssa-loop-manip.c: Ditto.
6009 * postreload.c: Ditto.
6010 * tree-ssa-loop-ch.c: Ditto.
6014 * diagnostic.c: Ditto.
6016 * genoutput.c: Ditto.
6018 * cfghooks.c: Ditto.
6019 * cfgloopanal.c: Ditto.
6020 * objc/objc-act.c: Ditto.
6022 * genextract.c: Ditto.
6023 * genautomata.c: Ditto.
6024 * pretty-print.c: Ditto.
6026 * cgraphunit.c: Ditto.
6029 * haifa-sched.c: Ditto.
6030 * dominance.c: Ditto.
6032 * tree-ssa-loop-ivopts.c: Ditto.
6034 * mode-switching.c: Ditto.
6035 * modulo-sched.c: Ditto.
6037 * ipa-pure-const.c: Ditto.
6039 * fix-header.c: Ditto.
6041 * tree-stdarg.c: Ditto.
6042 * ipa-utils.c: Ditto.
6043 * loop-init.c: Ditto.
6044 * ipa-inline.c: Ditto.
6047 * alloc-pool.c: Ditto.
6048 * dwarf2out.c: Ditto.
6050 * genattrtab.c: Ditto.
6051 * tree-ssa-loop-ivcanon.c: Ditto.
6055 * fortran/gfortranspec.c: Ditto.
6057 * local-alloc.c: Ditto.
6058 * langhooks.c: Ditto.
6059 * function.c: Ditto.
6060 * tree-vectorizer.c: Ditto.
6062 * ipa-type-escape.c: Ditto.
6064 * tree-if-conv.c: Ditto.
6067 * tree-data-ref.c: Ditto.
6068 * loop-unroll.c: Ditto.
6069 * treelang/treetree.c: Ditto.
6072 * ggc-common.c: Ditto.
6074 * coverage.c: Ditto.
6076 * tree-cfgcleanup.c: Ditto.
6077 * tree-ssa-pre.c: Ditto.
6078 * cfgcleanup.c: Ditto.
6079 * loop-invariant.c: Ditto.
6081 * ipa-prop.c: Ditto.
6082 * print-tree.c: Ditto.
6083 * conflict.c: Ditto.
6084 * ggc-page.c: Ditto.
6085 * sched-deps.c: Ditto.
6086 * regclass.c: Ditto.
6087 * tree-object-size.c: Ditto.
6089 * bb-reorder.c: Ditto.
6090 * resource.c: Ditto.
6091 * var-tracking.c: Ditto.
6093 * df-problems.c: Ditto.
6094 * reg-stack.c: Ditto.
6097 * sched-rgn.c: Ditto.
6098 * tree-ssa-structalias.c: Ditto.
6099 * tree-ssa-reassoc.c: Ditto.
6100 * config/darwin-c.c: Ditto.
6101 * config/darwin.c: Ditto.
6102 * config/arm/arm.c: Ditto.
6104 * collect2.c: Ditto.
6107 2006-01-31 Nicolas Pitre <nico@cam.org>
6109 * arm.md (smaxsi3): Make aware of smax_m1.
6112 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6114 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6116 2006-01-31 Richard Guenther <rguenther@suse.de>
6118 * doc/invoke.texi (-msselibm): Document.
6119 * target.h (expand_library_builtin): New target hook.
6120 * builtins.c (expand_builtin): Use expand_library_builtin.
6121 (default_expand_library_builtin): New function.
6122 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6123 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6124 (link_gcc_math_spec): Declare.
6125 (static_specs): Add link_gcc_math_spec.
6126 * expr.h (default_expand_library_builtin): Declare.
6127 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6128 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6129 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6130 * config/i386/i386.opt (msselibm): New target option.
6131 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6132 (ix86_init_sse_abi_builtins): New function.
6133 (ix86_expand_library_builtin): Likewise.
6134 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6135 (override_options): Handle error conditions wrt -msselibm.
6136 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6137 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6138 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6141 2006-01-31 Richard Guenther <rguenther@suse.de>
6142 Paolo Bonzini <bonzini@gnu.org>
6144 * doc/install.texi (--disable-libgcc-math): Document.
6146 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6148 * expr.h (expand_normal): new inline function.
6149 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6151 * dwarf2out.c: use it.
6156 * config/sparc/sparc.c: use it.
6157 * config/i386/i386.c: use it.
6158 * config/rs6000/rs6000.c: use it.
6159 * config/arm/arm.c: use it.
6160 * config/mips/mips.c: use it.
6161 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6163 2006-01-30 Roger Sayle <roger@eyesopen.com>
6165 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6166 argv to the appropriate type.
6168 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6170 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6173 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6176 * config/s390/s390.c (struct machine_function): New flag
6177 decomposed_literal_pool_addresses_ok_p.
6178 (s390_reorg): Set it before final stage of literal pool transforms.
6179 (s390_decompose_address): Only accept displacements of the form
6180 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6182 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6184 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6185 the comparison routine return.
6187 2006-01-30 Michael Matz <matz@suse.de>
6189 * global.c (find_reg): Only evict for global regs.
6190 Take n_refs into account and dump more info.
6192 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6195 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6196 (pragma_trap, pragma_nosave_low_regs): Likewise.
6197 (current_function_anonymous_args): Likewise.
6198 (sh_deferred_function_attributes): New variable.
6199 (sh_deferred_function_attributes_tail): Likewise.
6200 (print_operand): For '@', look up trap_exit attribute.
6201 (calc_live_regs): Look up trapa_handler attribute. For trapa
6202 handlers, save/restore fpscr, but don't do any other
6203 interrupt-specific saves.
6204 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6205 Fix check for partially saved registers to check for SHmedia.
6206 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6207 (sh_output_function_epilogue): Don't clear any of the removed
6209 (sh_insert_attributes): Don't check pragma_interrupt.
6210 Insert deferred attributes. Check that interrupt attribute is
6211 present for other attributes that require its presence.
6212 (sh_attribute_table): Add new attributes trapa_handler and
6214 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6215 Don't check for pragma_interrupt. Don't store argument.
6216 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6217 (sh_deferred_function_attributes): Declare.
6218 (sh_deferred_function_attributes_tail): Likewise.
6219 * sh.md (sp_switch_1): Add operand. Change generator caller.
6220 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6221 (*return_i): Don't use when trap_exit attribute is in effect.
6222 (*return_trapa): New insn pattern.
6224 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6225 setting c_target_objs and cxx_target_objs.
6226 * t-sh: Add rule for sh-c.o.
6228 2006-01-30 Richard Guenther <rguenther@suse.de>
6231 * gimplify.c (gimplify_target_expr): Handle easy cases
6232 without creating a temporary.
6234 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6236 * vec.h (safe_grow): Remove duplicated line.
6238 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6241 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6242 (expand_omp): ... here.
6243 (expand_omp_parallel): Only remove barriers for combined
6244 parallel+workshare constructs.
6246 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6250 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6251 * tree.c (build_qualified_type): Chain the new type to the original
6252 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6253 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6254 (build_pointer_type_for_mode): Only return unqualified types.
6255 (build_reference_type_for_mode): Likewise.
6257 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6259 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6260 * Makefile.in (CXX_COMPAT_WARN): Define.
6261 * configure: Regenerate.
6263 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6266 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6269 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6271 * toplev.c: Fix thinko.
6273 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6274 Marcin Dalecki <martin@dalecki.de>
6276 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6277 (push_srcloc): Use XNEW.
6278 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
6280 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6282 * df-core.c (df_set_blocks): Deleted all variable.
6284 2006-01-28 Ian Lance Taylor <ian@airs.com>
6286 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6287 cgraph_output_pending_asms.
6289 2006-01-28 Zack Weinberg <zackw@panix.com>
6291 * c.opt: Add -W(no-)overlength-strings.
6292 * doc/invoke.texi: Document it.
6293 * c-opts.c (c_common_handle_option): -pedantic implies
6294 -Woverlength-strings, if not explicitly disabled already.
6295 (c_common_post_options): -Woverlength-strings defaults to off, and
6296 is always off for C++.
6297 * c-common.c (fix_string_type): Issue warning about strings longer
6298 than is portable only if warn_overlength_strings. Rearrange code
6299 a little for clarity.
6300 * configure.in: Check for -Wno-overlength-strings as well before
6301 enabling -pedantic in stage 1.
6302 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6303 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6305 * genconditions.c (write_header, write_one_condition)
6306 (write_conditions, write_writer): Consolidate very long strings
6307 that were broken up to fit in C89 portable limit. Don't use
6308 printf when fputs will do.
6310 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6312 * combine.c (simplify_comparison <AND>): Check
6313 TRULY_NOOP_TRUNCATION before start using a subreg.
6315 * config/mips/mips.md (*branch_zero<mode>,
6316 *branch_zero<mode>_inverted, *branch_equality<mode>,
6317 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6318 Remove mode check from comparisons.
6320 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6322 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6324 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6326 * expmed.c (const_mult_add_overflow_p): Remove.
6327 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6329 * recog.c (validate_replace_rtx_subexp): Remove.
6330 * recog.h: Remove the prototype for
6331 validate_replace_rtx_subexp.
6333 * integrate.h: Remove the prototype for
6334 copy_decl_for_inlining.
6335 * rtl.h: Remove the prototype for mark_constant_function.
6336 * tree-vectorizer.h: Remove the prototype for
6337 vect_strip_conversion.
6339 * modulo-sched.c (create_partial_schedule,
6340 free_partial_schedule, reset_partial_schedule): Make them
6343 * hooks.c (hook_bool_rtx_int_false): Remove.
6344 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6346 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6348 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6349 and -mlong-double-128 are incompatible.
6350 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6351 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6352 (TARGET_LIBGCC2_CFLAGS): Define.
6353 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6354 (TARGET_LIBGCC2_CFLAGS): Same.
6355 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6357 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6360 * c-typeck.c (build_binary_op): Perform implicit casts of
6361 operands before shortening them.
6363 * cfgloopmanip.c (split_loop_bb): Remove.
6364 * cfgloop.h: Remove the prototype for split_loop_bb.
6366 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6367 * cfgloop.h: Remove the prototype for
6368 flow_loop_outside_edge_p.
6370 * emit-rtl.c (init_virtual_regs): Make it static.
6371 * function.h: Remove the prototype for init_virtual_regs.
6373 * recog.c (peephole2_optimize): Make it static.
6374 * recog.h: Remove the prototype for peephole2_optimize.
6376 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6378 * df-scan.c (df_record_entry_block_defs): Check if
6379 INCOMING_RETURN_ADDR_RTX is defined.
6381 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6382 Kenneth Zadeck <zadeck@naturalbridge.com>
6384 PR rtl-optimization/24762
6385 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6386 * targhooks.c (hook_void_bitmap): New hook prototype.
6387 * targhoohs.h (hook_void_bitmap): Ditto.
6388 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6389 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6390 * target.h (live_on_entry): New function pointer.
6391 * df-scan.c (df_all_hard_regs): Removed.
6392 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6393 (df_scan_free_internal): Added df->entry_block_defs.
6394 (df_scan_alloc): Ditto.
6395 (df_scan_dump): Ditto.
6396 (df_uses_record): Plumbed flag field properly thru calls.
6397 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6398 This part fixes PR24762.
6399 (df_bb_refs_record): Added code to make the frame and arg
6400 pointers live in EH blocks.
6401 (df_refs_record): Added call to df_record_entry_block_defs.
6402 (df_record_entry_block_defs): New function.
6403 * df-core.c: Added comments to describe new artifical defs.
6404 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6405 (entry_block_defs): New field in struct df.
6406 (df_all_hard_regs): Deleted.
6407 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6408 * df-problems.c (df_ru_bb_local_compute_process_def):
6409 Added code to handle artifical defs in the entry to a function.
6410 (df_ru_bb_local_compute): Ditto.
6411 (df_rd_bb_local_compute_process_def): Ditto.
6412 (df_rd_bb_local_compute): Ditto.
6413 (df_lr_bb_local_compute): Ditto.
6414 (df_ur_bb_local_compute): Ditto.
6415 (df_urec_bb_local_compute): Ditto.
6416 (df_chain_create_bb): Ditto.
6417 (df_ur_local_finalize): Removed entry.
6418 (df_urec_init): Ditto.
6419 (df_urec_local_finalize): Ditto.
6420 (df_ri_bb_compute): Added detection of last use of pseudos.
6421 * Makefile.in (df-scan.o): Updated dependencies.
6422 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6423 * config/mips/mips.c (mips_set_live_on_entry): Added.
6424 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6426 * dce.c (marked_insn_p): Added code to handle artifical defs.
6428 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6430 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6432 (_mm_cvtsi128_si64): Likewise.
6433 (_mm_cvtsd_si64): Likewise.
6434 (_mm_cvttsd_si64): Likewise.
6435 (_mm_cvtsi64_sd): Likewise.
6436 (_mm_cvtsi64_si128): Likewise.
6437 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6438 (_mm_cvtsi64_m64): Likewise.
6439 (_m_to_int64): Likewise.
6440 (_mm_cvtm64_si64): Likewise.
6441 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6442 (_mm_cvttss_si64): Likewise.
6443 (_mm_cvtsi64_ss): Likewise.
6444 (_mm_cvtss_f32): Likewise.
6446 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6448 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6449 for pragma redefine_extname.
6451 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6454 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6455 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6456 -mno-minimal-toc to previous content.
6457 (bispecs): Remove goal.
6458 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6459 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6460 compatibility aliases on powerpc-*-*gnu*.
6461 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6462 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6463 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6464 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6465 (ldblspecs): New goal.
6466 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6467 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6469 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6470 L_sf_to_tf or L_df_to_tf is defined.
6472 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6473 Alan Modra <amodra@bigpond.net.au>
6476 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6477 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6478 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6479 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6480 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6481 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6482 (rs6000_override_options): Initialize rs6000_ieeequad.
6483 Initialize TFmode format to ibm_extended_format if not
6485 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6487 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6488 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
6489 (function_arg_advance): IBM long double passed in two FPRs, not
6491 (function_arg): IBM long double passed in FPRs.
6492 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
6493 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
6494 Only multireg GPR aligned.
6495 (rs6000_init_libfuncs): Enable IBM long double functions if not
6497 (rs6000_generate_compare): Use IBM long double compare if not
6499 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6500 (TARGET_IEEEQUAD): Define.
6501 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6502 not TARGET_IEEEQUAD.
6503 * config/rs6000/rs6000.md: Enable TFmode patterns if
6505 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6506 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6507 and -mlong-double-128 are incompatible.
6508 * doc/invoke.texi (-mabi): Collect options together. Add
6509 ibmlongdouble and ieeelongdouble.
6511 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6513 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6515 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6516 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6517 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6518 * rtl.h (rtunion_def): Remove rt_ptr.
6520 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6521 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6522 * config/i386/winnt.c (i386_pe_mark_dllexport)
6523 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6525 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6527 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6529 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6533 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6534 pthread_key_delete. From John David Anglin. gthrw-ify
6535 pthread_getunique_np only if it it's not a macro. Delete
6537 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6538 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6539 __gthread_objc_condition_signal, __gthread_key_delete): Add
6540 "__attribute__ ((__unused__))" to unused arguments.
6541 (__gthread_recursive_mutex_init_function): Add missing return.
6542 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6543 gthr-posix95.h: Use macro-based approach for name redirection
6544 on targets missing weakref.
6546 2006-01-26 Zack Weinberg <zackw@panix.com>
6548 * genconditions.c (write_header): In generated code, #ifdef out
6549 all includes and fake declarations, except includes of bconfig.h
6550 and system.h, unless GCC_VERSION >= 3001. Do not include
6551 gensupport.h in any case.
6552 (write_conditions): Generate a definition of struct c_test. Add
6553 a comment to the generated #endif.
6554 (write_one_condition): Escape backslashes in string too.
6555 (write_writer): Generated code must escape backslashes and quote
6556 marks (but not newlines) in the strings it writes.
6557 * Makefile.in (build/gencondmd.o): Update dependencies.
6559 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6562 * Makefile.in (insn-automata.o): Add header file dependencies.
6563 * genautomata.c: Add includes.
6565 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6568 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6570 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6572 * configure.ac: Expect target tools paths to be passed from the toplevel
6573 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6575 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6577 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6580 * c.opt (Wpointer-sign): Init to -1.
6581 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6582 OPT_pedantic, to 0 otherwise.
6583 * doc/invoke.texi: Update.
6585 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6587 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6588 constants provided by 80387 instructions in the destination mode.
6590 2006-01-26 Richard Guenther <rguenther@suse.de>
6591 Andrew Pinski <pinskia@physics.uc.edu>
6594 partial PR tree-opt/17064
6595 * tree-ssa-structalias.c (intra_create_variable_infos):
6596 Create heap variables for incoming parameters if
6597 flag_argument_noalias > 1.
6598 (find_what_p_points_to): Look through default defs of
6601 2006-01-26 Jeff Law <law@redhat.com>
6604 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6605 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6606 within the VR_RANGE, use the VR_RANGE as the result, not the
6608 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6609 bounds for the type.
6611 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6613 * tree-ssa-alias.c (maybe_create_global_var): Change
6614 subvar walking to an assertion that we don't have subvar'd variables.
6616 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6619 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6620 Use a new variable, inner. PARM_DECLs are always non-weak.
6622 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6624 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6627 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6629 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6631 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6633 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6634 (smax_insn, smin_insn, smax_0, smin_0): New.
6636 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6639 * config/cris/cris.c (cris_order_for_addsi3): New function.
6640 * config/cris/cris-protos.h: Prototype it.
6641 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6642 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6643 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6644 (split for "op.S1 [rx=rx+i],ry (swapped)")
6645 (split for "op(s|u).S1 [rx=rx+i],ry")
6646 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6647 Apply cris_order_for_addsi3 when generating addsi3 insns.
6649 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6651 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6652 (TREE_BLOCK): Add call to EXPR_CHECK.
6654 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6657 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6658 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6659 (dump_omp_clauses): ... here.
6660 (dump_generic_node): Handle OMP_CLAUSE.
6661 * tree.c (omp_clause_num_ops): New.
6662 (omp_clause_code_name): New.
6663 (tree_code_size): Handle OMP_CLAUSE.
6664 (tree_size): Likewise.
6665 (make_node): Document handling of OMP_CLAUSE.
6666 (tree_node_structure): Handle OMP_CLAUSE.
6667 (omp_clause_check_failed): New.
6668 (omp_clause_range_check_failed): New.
6669 (omp_clause_operand_check_failed): New.
6670 (build_omp_clause): New.
6671 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6672 * tree.h (enum omp_clause_code): Declare.
6673 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6674 (OMP_CLAUSE_RANGE_CHECK): Define.
6675 (OMP_CLAUSE_ELT_CHECK): Define.
6676 (omp_clause_check_failed): Declare.
6677 (omp_clause_operand_check_failed): Declare.
6678 (omp_clause_range_check_failed): Declare.
6679 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6680 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6681 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6682 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6683 (OMP_CLAUSE_IF_EXPR): Likewise.
6684 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6685 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6686 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6687 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6688 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6689 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6690 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6691 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6692 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6693 (OMP_CLAUSE_CODE): Define.
6694 (OMP_CLAUSE_SET_CODE): Define.
6695 (OMP_CLAUSE_CODE): Define.
6696 (OMP_CLAUSE_OPERAND): Define.
6697 (struct tree_omp_clause): Declare.
6698 (union tree_node): Add field 'omp_clause'.
6699 * treestruct.def (TS_OMP_CLAUSE): Define.
6700 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6701 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6702 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6703 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6704 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6705 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6706 (OMP_CLAUSE): Define.
6707 * print-tree.c (print_node): Handle OMP_CLAUSE.
6708 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6709 * c-typeck.c: Likewise.
6710 * gimplify.c: Likewise.
6711 * c-omp.c: Likewise.
6712 * tree-nested.c: Likewise.
6713 * tree-inline.c: Likewise.
6714 * c-parser.c: Likewise.
6715 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6718 2006-01-25 Roger Sayle <roger@eyesopen.com>
6720 PR rtl-optimization/25703
6721 * combine.c (try_combine): Handle zero_extract and strict_low_part
6722 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6724 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6726 * global.c: Fix comment typos.
6728 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6731 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6732 Use output_addr_const instead of assemble_name.
6734 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6736 * Makefile.in (sched-vis.o): Update dependencies.
6737 * haifa-sched.c (sched_finish): Clear current_sched_info.
6738 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6739 (dump_flow_info): Call it.
6740 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6742 * basic-block.h (dump_bb_info): Declare.
6743 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6744 option, and apply options only for dump files whose TDF_RTL,
6745 TDF_TREE, or TDF_IPA bits match.
6746 * rtl.h: Declare new functions exported from sched-vis.c.
6747 * sched-vis.c: Enable also if scheduling is not used.
6748 (print_value): Print the mode of registers if not inside scheduling.
6749 (print_insn): Make it work outside the scheduler. Beautify the output
6751 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6753 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6755 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6756 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6757 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6758 depending on the value of CONSTANT_POOL_ADDRESS_P.
6759 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6761 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6762 rather than SYMBOL_REF_DECL.
6763 (rtx_constant_pool): Remove const_rtx_sym_htab.
6764 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6765 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6766 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6767 Remove handling of const_rtx_sym_htab.
6768 (find_pool_constant): Delete.
6769 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6770 rather than find_pool_constant.
6771 (get_pool_constant_for_function): Delete.
6772 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6774 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6775 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6776 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6777 (SYMBOL_REF_CONSTANT): New macro.
6778 (get_pool_constant_for_function): Delete.
6779 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6780 rather than SYMBOL_REF_DECL.
6781 (i386_pe_mark_dllimport): Likewise.
6782 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6783 rather than SYMBOL_REF_DECL.
6784 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6785 (machopic_indirect_call_target): Likewise.
6787 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6789 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6791 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6793 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6795 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6797 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6799 2006-01-24 David Daney <ddaney@avtrex.com>
6802 * configure.ac (enable_tls): New enable option.
6803 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6804 * configure: Regenerate.
6805 * doc/install.texi (--enable-tls): Document new option.
6806 (--disable-tls): Ditto.
6808 2006-01-24 Richard Henderson <rth@redehat.com>
6810 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6811 * alias.c (true_dependence): Respect it.
6812 (canon_true_dependence, write_dependence_p): Likewise.
6813 * builtins.c (get_builtin_sync_mem): Set it.
6815 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6817 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6820 2006-01-24 DJ Delorie <dj@redhat.com>
6822 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6823 for storing constants in single-bit bitfields.
6825 2006-01-25 Ben Elliston <bje@au.ibm.com>
6827 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6829 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6832 * tree-ssa-pre.c (phi_translate): Return NULL
6833 for AGGREGATE_TYPE's.
6835 2006-01-24 Zack Weinberg <zackw@panix.com>
6837 * genautomata.c (process_state_for_insn_equiv_partition):
6838 Use xcalloc for insn_arcs_array.
6839 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6840 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6842 2006-01-24 Richard Henderson <rth@redhat.com>
6844 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6847 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6849 PR rtl-optimization/25890
6850 PR rtl-optimization/25905
6851 * combine.c (expand_compound_operation, expand_field_assignment):
6852 Fail if the bitfield's final position is out of bounds.
6854 2006-01-24 Ian Lance Taylor <ian@airs.com>
6857 * cgraphunit.c (cgraph_output_in_order): Don't clear
6858 cgraph_asm_nodes until after asm strings have been output.
6860 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6862 * fix-header.c (read_scan_file): Add new parameter imultilib when
6863 calling register_include_chains.
6865 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6867 * omp-low.c: Update documentation.
6869 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6870 Daniel Berlin <dberlin@dberlin.org>
6874 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6875 return from the function.
6877 2006-01-22 Zack Weinberg <zackw@panix.com>
6879 * rtl.def (match_code): Add second argument.
6880 * genpreds.c (write_extract_subexp): New function.
6881 (write_match_code): Add path argument. Use write_extract_subexp.
6882 (write_predicate_expr): Pass path to write_match_code.
6883 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6884 not perform a mode test.
6885 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6886 a subexpression does not constrain the top-level code set.
6887 * read-rtl.c (read_rtx_variadic): New function.
6888 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6889 * doc/md.texi: Document new notation.
6890 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6891 (cmpsi_operand): ... here, using new notation.
6893 2006-01-22 Zack Weinberg <zackw@panix.com>
6895 * varray.c: Remove GENERATOR_FILE #ifdefs.
6897 2006-01-22 Zack Weinberg <zackw@panix.com>
6899 * genautomata.c (output_reserved_units_table): Emit nothing if
6900 description->query_units_num is zero. Remove extra blank line.
6901 (output_cpu_unit_reservation_p): Short circuit
6902 if description->query_units_num is zero.
6904 2006-01-22 Zack Weinberg <zackw@panix.com>
6906 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6907 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6908 nor any of the random handful of variables that used to be necessary
6909 when this program was linked with rtlanal.o. Prune set of forward
6910 function declarations.
6911 (struct attr_desc): Remove static_p field.
6912 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6913 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6914 (attr_string): Do not read the character one past the length of
6916 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6917 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6918 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6919 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6920 (make_automaton_attrs): New.
6921 (main): Do not call into genautomata. Call local gen_bypass
6922 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6923 Remove special case for insn_alts.
6924 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6925 varray.h (leftover from previous change). Prune set of forward
6926 function declarations. Remove state_alts fields from all
6927 structures. Remove state_alts_table from struct automaton.
6928 Make everything except main static. Do not maintain num_dfa_decls.
6929 Do not maintain state_alts fields of various structures.
6930 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6931 (add_arc): Remove state_alts argument. All callers updated.
6932 (output_reserved_units_table): Emit #ifdef here...
6933 (output_tables): ...not here. Don't generate state_alts tables.
6934 (expand_automata): Don't generate attributes.
6935 (write_automata): Don't generate state_alts functions.
6936 (main): New function.
6937 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6938 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6939 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6940 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6941 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6942 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6943 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6944 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6946 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6947 * genattrtab.h: Delete file.
6948 * Makefile.in (OBJS-common): Add insn-automata.o.
6949 (insn-automata.o): New rule.
6950 (simple_generated_c): Add insn-automata.c.
6951 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6952 (genprogmd): Add automata.
6953 (build/genattrtab): Needs no extra objects nor libraries.
6954 (build/genautomata): Needs build/vec.o and -lm.
6956 2006-01-22 Zack Weinberg <zackw@panix.com>
6958 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6959 (output_dfa_max_issue_rate, locked_states_num): Delete.
6960 (struct automaton): Add locked_states field.
6961 (output_dead_lock_vect): Save number of locked states in
6962 automaton->locked_states. If it is zero, don't print anything.
6963 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6964 (output_internal_dead_lock_func): Only test the dead_lock_vect
6965 for automata that have locked states.
6966 (output_statistics): Always print the number of locked states for
6967 each automaton. Calculate total number of locked states here.
6968 (write_automata): Don't call output_dfa_max_issue_rate.
6969 * genattrtab.c: Define length_unit_log as a const variable.
6970 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6971 max_insn_queue_index const.
6972 * final.c (length_unit_log): Declare const.
6973 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6975 2006-01-22 Zack Weinberg <zackw@panix.com>
6977 * genautomata.c: Include vec.h, not varray.h.
6978 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6979 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6980 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6981 VEC_* macros operating on appropriately typed vectors, or to
6982 malloced arrays when the size is known in advance. Const-ify
6983 many char* variables and function arguments. No functional changes.
6984 * Makefile.in (build/varray.o): Delete rule.
6985 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6986 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6988 2006-01-22 Zack Weinberg <zackw@panix.com>
6990 * gensupport.c: Define get_insn_name and record_insn_name here.
6991 (read_md_rtx): Call record_insn_name as appropriate.
6992 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6993 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6994 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6996 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6997 (BUILD_VARRAY): Delete.
6998 (genprognormal): Rename genprogmd. Fold in all programs from
6999 genprognoprint; also attrtab.
7000 (build/genattrtab): Just mention genautomata.o and varray.o.
7001 Reorganize a bit, add comments to make the categories clearer.
7003 2006-01-22 Zack Weinberg <zackw@panix.com>
7005 * genconditions.c (condition_table, add_condition): Delete.
7006 (write_conditions): Don't emit n_insn_conditions nor
7007 insn_elision_unavailable. Issue the gcc version #ifdef here,
7008 inside the table, with no #else clause ...
7009 (write_header): ...not here.
7010 (write_writer): New function.
7011 (main): Don't initialize condition_table. Use add_c_test.
7013 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7014 files on the command line.
7015 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7016 Return -1 if there is no entry in the table, don't abort.
7017 (add_c_test, traverse_c_tests): New functions.
7018 * gensupport.h (insn_elision_unavailable, insn_conditions)
7019 (n_insn_conditions): Delete declarations.
7020 (add_c_test, traverse_c_tests): Declare.
7021 * read-rtl.c: Include gensupport.h.
7022 (read_conditions): New function.
7023 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7024 (read_rtx_1): If we get EOF when we were looking for an initial
7025 open paren, return 0. Call read_conditions when appropriate.
7026 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7027 dummy-conditions.o. Eliminate references to insn-conditions.o,
7028 or change them to build/gencondmd.o, as appropriate. Remove
7029 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7030 from $(simple_generated_c). For all files remaining in those
7031 two lists, add insn-conditions.md to the generator command line.
7032 Give insn-constants.h/s-constants their own rules. Add rules
7033 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7034 (build/read-rtl.o): Depend on gensupport.h.
7035 (genprognormal): Include preds.
7036 (genprogearly): Rename genprognoprint; only difference is now that
7037 they don't link with $(BUILD_PRINT).
7038 * dummy-conditions.c: Delete.
7040 2006-01-22 Zack Weinberg <zackw@panix.com>
7042 * genextract.c: Don't include insn-config.h. Do include vec.h.
7043 Declare vectors of int, char, and locstr.
7044 (locstr): New typedef.
7045 (struct extraction): Make all array fields into bare pointers.
7046 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7047 (insn_code_number): Delete.
7048 (accum_extract): New struct.
7049 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7050 (gen_insn): Take insn_code_number as an argument. Use an
7051 accum_extract structure instead of loading data directly into
7052 a struct extraction, and having to know how big it might get.
7053 (walk_rtx): Operate entirely on an accum_extract structure.
7054 (print_path): Avoid unnecessary use of printf.
7055 (print_header): New function, split out of main. Distinguish
7056 more carefully between an unrecognizable insn and an insn that
7057 has the code number of a define_expand.
7058 (main): Pass insn_code_number to gen_insn. Call print_header
7059 only after parsing. Avoid unnecessary use of printf.
7060 * Makefile.in (build/vec.o): New rule.
7061 (build/genextract): Depend on build/vec.o.
7062 (build/genextract.o): Don't depend on insn-config.h.
7064 2006-01-22 Zack Weinberg <zackw@panix.com>
7066 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7067 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7068 practical. Eliminate per-generator-program link rules.
7070 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7073 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7074 with a call expr to ...
7075 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7077 2006-01-23 Richard Guenther <rguenther@suse.de>
7079 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7080 before make_edge with conditional EDGE_TRUE_VALUE.
7082 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7083 Jan Hubicka <jh@suse.cz>
7084 Richard Guenther <rguenther@suse.de>
7086 PR rtl-optimization/25654
7087 * cfgexpand.c (aggregate_contains_union_type): New function.
7088 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7089 for structure variables that contain a union type.
7091 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7093 * gengtype.c (new_structure): Return the structure.
7094 (create_option): Add an extra "next" argument.
7095 (create_field): New function.
7096 (adjust_field_rtx_def): Use create_option and create_field.
7097 Remove a now-unnecessary call to find_structure.
7098 (adjust_field_tree_def): Likewise.
7099 (note_yacc_type): Remove an unnecessary call to find_structure.
7100 * gengtype.h (new_structure): Return the structure.
7101 (create_option): Add an extra argument.
7102 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7103 (option): Adjust calls to create_option.
7105 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7107 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7109 2006-01-22 Paul Brook <paul@codesourcery.com>
7110 Peter Barada <peter@the-baradas.com>
7112 * config/m68k/m68k.md: Add Coldfire FPU support.
7113 Define FP mode macro and associated attributes.
7114 Use it for float mode patterns.
7115 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7116 (LIBCALL_VALUE): Use m68k_libcall_value.
7117 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7118 (m68k_function_value): Ditto.
7119 (emit_move_sequence): Ditto.
7120 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7121 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7122 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7123 (MULTILIB_EXCEPTIONS): Ditto.
7124 * config/m68k/m68k.opt: Add mcfv4e.
7125 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7126 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7127 (m68k_output_function_prologue): Save ColdFire FPU registers.
7128 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7129 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7130 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7131 ColdFire FPU registers.
7132 (m68k_libcall_value, m68k_function_value): New functions.
7133 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7134 (LIBCALL_VALUE): Use m68k_libcall_value.
7135 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7136 (MASK_COLDFIRE): Add MASK_CFV4E.
7137 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7138 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7139 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7140 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7141 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7142 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7143 * doc/invoke.tex: Document -mcfv4e on m68k.
7145 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7147 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7150 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7153 * c-opts.c (c_common_handle_option): Don't include
7154 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7155 * doc/invoke.texi (C++ Dialect Options): Document that
7156 -Wnon-virtual-dtor is no longer included in -Wall.
7158 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7160 * gcov.c (print_version), gcov-dump.c (print_version),
7161 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7164 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7166 * df-scan.c (problem_SCAN): Added NULL reset function.
7167 (df_scan_reset_blocks): Added code to call reset block function
7168 (df_bb_refs_delete) Fixed comment.
7169 (df_insn_refs_delete): Made tolerant of deleting non existent info
7170 for dataflow problems that need to be reset.
7171 * df-core.c (df_set_blocks): Ditto.
7172 * df.h (struct df_problem): Added reset_fun.
7173 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7174 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7175 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7176 functions to clear out all references to def-use or use-def chains.
7178 2006-01-21 Ben Elliston <bje@au.ibm.com>
7180 * varasm.c (assemble_real): Initialise data array.
7182 2006-01-20 Paul Brook <paul@codesourcery.com>
7184 Merge from csl-arm-branch.
7185 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7186 * config/arm/arm.md (movdi): Force operands[1] to a register
7187 if we have a non-register source.
7188 (*arm_movdi, *movdf_soft_insn): Require that one of the
7189 operands be a register.
7190 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7191 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7193 2006-01-20 DJ Delorie <dj@redhat.com>
7195 * varasm.c (initialize_constant_valid_p): Allow pointers
7196 initialized from integer constants of lesser precision.
7197 (output_constant): Allow non-int-sized pointer modes to be
7198 initialized from integer constants.
7200 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7203 * cppdefault.h (struct default_include): Add multilib flag.
7204 * cppdefault.c (cpp_include_defaults): Set it.
7205 * c.opt (-imultilib): New option.
7206 * c-opts.c (imultilib): New.
7207 (c_common_handle_option): Handle -imultilib.
7208 (c_common_post_options): Likewise.
7209 * c-incpath.c (add_standard_paths, register_include_chains):
7211 * c-incpath.h (register_include_chains): Add extra parameter.
7212 * gcc.c (do_spec_1): Generate -imultilib option.
7213 (The Specs Language): Update %I description.
7214 (process_command): Update copyright notice.
7215 * doc/cppopts.texi (-imultilib): Document.
7216 * doc/invoke.texi (-imultilib): Include in option summary.
7217 (%I): Update specs documentation.
7219 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7221 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7223 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7225 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7228 2006-01-20 Richard Guenther <rguenther@suse.de>
7229 Steven Bosscher <stevenb.gcc@gmail.com>
7231 PR rtl-optimization/24626
7232 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7233 EDGE_TRUE_VALUE if in RTL mode.
7236 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7237 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7239 2006-01-20 Dirk Mueller <dmueller@suse.com>
7242 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7243 instead of a special NOP marker.
7244 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7245 NOP marker handling.
7246 * c-common.h (empty_body_warning): Add forward declaration.
7247 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7248 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7250 2006-01-20 Paul Brook <paul@codesourcery.com>
7252 * Makefile.in (lang_checks): Keep going if mkdir fails.
7254 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7256 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7257 be able to clean out basic block when not necessary.
7258 (df_scan_free): Fixed to properly delete information if df is
7259 unused before calling df_finish.
7260 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7261 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7263 (df_bb_refs_delete): New function.
7264 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7265 * df-core.c (df_set_blocks): Added code to properly clean out
7266 unused blocks if they are not part of the blocks to consider.
7267 Added additional null check.
7268 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7269 be able to clean out basic block when not necessary
7270 * df.h (df_free_bb_function): Ditto.
7271 (df_bb_refs_delete): New function.
7272 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7273 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7274 basic block parameter to be able to clean out basic block when not
7276 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7277 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7278 Fixed to properly delete information if df is unused before
7281 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7283 PR rtl-optimization/25799
7284 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7285 Corrected confluence operator to remove bits from op2 before oring
7286 with op1 rather than removing bits from op1.
7287 (df_ru_transfer_function): Corrected test on wrong bitmap which
7288 caused infinite loop. Both of these problems were introduced in
7289 the dataflow rewrite.
7291 2006-01-19 DJ Delorie <dj@redhat.com>
7293 * reload1.c (find_reload_regs): Note the details of reload
7294 failures in the dump file.
7295 (spill_failure): Likewise.
7297 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7299 * loop-iv.c: Include df.h and hashtab.h.
7300 (enum iv_grd_result): New enum.
7301 (DF_REF_IV, DF_REF_IV_SET): New macros.
7302 (struct biv_entry): New.
7303 (df, bivs): New global variables.
7304 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7305 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7307 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7308 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7309 analyzed_for_bivness_p, record_biv): New functions.
7310 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7311 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7312 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7314 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7316 (iv_number_of_iterations): Use new interface to iv analysis.
7317 * loop-unroll.c: Do not include varray.h.
7318 (analyze_iv_to_split_insn): Use new interface to iv
7320 * loop-unswitch.c (may_unswitch_on): Ditto.
7321 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7323 (df_bb_modify): Realloc tables to the new index.
7324 (df_find_use): New function.
7325 * df.h (df_find_use): Declare.
7326 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7328 * cfgloop.h (struct rtx_iv): Remove analysed field.
7329 (iv_get_reaching_def): Removed.
7330 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7331 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7332 (loop-iv.o): Add df.h and hashtab.h dependency.
7333 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7335 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7338 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7340 (__floatundisf, __floatundidf): Likewise.
7341 * libgcc2.h (IS_IBM_EXTENDED): Define.
7343 2006-01-19 DJ Delorie <dj@redhat.com>
7345 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7347 2006-01-19 Paul Brook <paul@codesourcery.com>
7349 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7350 as nothrow when unwinding tables are disabled.
7352 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7355 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7356 of bit-field" when in system header.
7358 2006-01-19 DJ Delorie <dj@redhat.com>
7360 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7361 the 16 bit shift limit of the m16c.
7363 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7366 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7367 * config/i386/i386.c (output_set_got): Output the label if we have one
7368 for the TARGET_DEEP_BRANCH_PREDICTION case.
7370 2006-01-19 Jan Hubicka <jh@suse.cz>
7371 H.J. Lu <hongjiu.lu@intel.com>
7372 Evandro Menezes <evandro.menezes@amd.com>
7374 * invoke.texi (generic): Document
7376 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7377 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7378 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7379 (x86_use_incdec, x86_pad_returns): New variables
7380 (TARGET_CPU_DEFAULT_generic): New constant
7381 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7382 (enum processor_type): Add generic32 and generic64.
7383 * i386.md (cpu attribute): Add generic32/generic64
7384 (movhi splitter): Behave sanely when both partial_reg_dependency and
7385 partial_reg_stall are set.
7386 (K8 splitters): Enable for generic as well.
7387 * predicates.md (incdec_operand): Use TARGET_INCDEC
7388 (aligned_operand): Avoid memory mismatch stalls.
7389 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7390 * ppro.md: Enable for generic32
7391 * i386.c (generic64_cost, generic32_cost): New.
7392 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7393 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7394 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7395 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7396 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7397 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7398 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7399 x86_accumulate_outgoing_args, x86_prologue_using_move,
7400 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7401 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7403 (x86_use_incdec, x86_pad_returns): New.
7404 (override_options): Add generic32 and generic64, translate "generic"
7405 to generic32/generic64 and "i686" to "generic32", refuse
7406 "generic32"/"generic64" as arch target.
7407 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7408 (ix86_reorg): Honor PAD_RETURNS.
7410 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7412 * tree-pretty-print.c (dump_generic_node): Handle
7413 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7414 * cgraph.c (cgraph_expand_queue): Rename from
7415 cgraph_analyze_queue. Update all users.
7416 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7417 cgraph_expand_queue.
7418 (cgraph_expand_all_functions): Likewise.
7419 (cgraph_finalize_pending_functions): Remove. Update callers.
7421 * tree.h (OMP_DIRECTIVE_P): Define.
7422 (OMP_PARALLEL_FN): Define.
7423 (OMP_PARALLEL_DATA_ARG): Define.
7424 (OMP_SECTIONS_SECTIONS): Define.
7425 * tree-pass.h (pass_expand_omp): Declare.
7426 * omp-low.c (struct omp_region): Declare.
7427 (struct omp_context): Remove fields 'parallel_type',
7428 'parallel_start_ix' and 'parallel_start_additional_args'.
7430 (struct omp_for_data): Rename from struct expand_omp_for_data.
7431 (omp_regions): New static variable.
7432 (root_omp_region): New static variable.
7433 (find_omp_clause): Make static.
7434 (is_in_combined_parallel_ctx): Remove.
7435 (is_combined_parallel): New.
7436 (extract_omp_for_data): Move earlier in the file.
7437 (workshare_safe_to_combine_p): New.
7438 (get_ws_args_for): New.
7439 (determine_parallel_type): Move earlier in the file.
7440 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7442 (omp_copy_decl): Likewise.
7443 (create_omp_child_function): Likewise.
7444 (lookup_omp_region): New.
7445 (dump_omp_region): New.
7446 (debug_omp_region): New.
7447 (debug_all_omp_regions): New.
7448 (new_omp_region): New.
7449 (scan_omp_parallel): If parallel_nesting_level > 1, the
7450 directive is nested within another parallel directive.
7451 Set OMP_PARALLEL_FN.
7452 (scan_omp_for): Do not try to handle combined parallel+for
7454 Remove FIXME comment.
7455 (scan_omp_nested): Remove.
7456 (scan_omp_1): Do not call scan_omp_nested when
7457 parallel_nesting_level is > 1.
7458 Do not change the DECL_CONTEXT of local variables found.
7459 (lookup_decl_in_outer_ctx): New.
7460 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7461 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7462 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7463 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7464 If CTX is nested, lookup VAR in the outer context when
7465 building copy assignment.
7466 (lower_send_clauses): Rename from expand_send_clauses.
7467 If CTX is nested, lookup VAR in the outer context when
7468 building copy assignments.
7469 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7470 If CTX is nested, lookup VAR in the outer context when
7471 building copy assignments.
7472 (expand_parallel_call): Rename from build_parallel_call.
7473 Handle combined parallel+workshare cases.
7474 Re-implement to emit code into the CFG.
7476 (expand_omp_parallel): Re-implement to emit code into the CFG.
7477 Call move_sese_region_to_fn to outline the sub-graph
7478 containing the parallel region.
7479 (expand_omp_for_1): Remove.
7480 (expand_omp_for_generic): Re-implement to emit code into the
7482 (expand_omp_for_static_nochunk): Likewise.
7483 (expand_omp_for_static_chunk): Likewise.
7484 (expand_omp_for): Likewise.
7485 (expand_omp_sections): Likewise.
7486 (remove_exit_barriers): New.
7487 (expand_omp_synch): New.
7489 (build_omp_regions_1): New.
7490 (build_omp_regions): New.
7491 (execute_expand_omp): New.
7492 (gate_expand_omp): New.
7493 (pass_expand_omp): Define.
7494 (lower_omp_sections): Rename from expand_omp_sections.
7495 Set OMP_SECTIONS_SECTIONS.
7496 (lower_omp_single_simple): Rename from expand_omp_single_simple.
7497 (lower_omp_single_copy): Rename from expand_omp_single_copy.
7498 (lower_omp_single): Rename from expand_omp_simple.
7499 (lower_omp_master): Rename from expand_omp_master.
7500 (lower_omp_ordered): Rename from expand_omp_ordered.
7501 (lower_omp_critical): Rename from expand_omp_critical.
7502 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7503 (lower_omp_for): Re-implement.
7504 (lower_omp_parallel): Re-implement.
7505 (lower_regimplify): Rename from expand_regimplify.
7506 (lower_omp_1): Rename from expand_omp_1.
7507 If there are syntax errors in the program, replace every
7508 OpenMP directive with NOP.
7509 Call lower_omp_* instead of expand_omp_*.
7510 (lower_omp): Rename from expand_omp.
7512 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7513 * tree-gimple.h (enum omp_parallel_type): Remove.
7514 (gimple_boolify): Declare extern.
7515 (find_omp_clause, determine_parallel_type): Remove.
7517 * gimple-low.c (lower_omp_directive): New.
7518 (lower_stmt): Call it.
7519 (record_vars_into): Move from ...
7520 (record_vars): ... here.
7521 Call record_vars_into with current_function_decl.
7523 * gimplify.c (struct gimplify_ctx): Remove fields
7524 combined_pre_p and combined_ctxp. Update users.
7525 (get_formal_tmp_var): Add documentation.
7526 (gimple_boolify): Make extern.
7527 (gimplify_expr_in_ctx): Remove. Update callers.
7528 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7529 will always be a BIND_EXPR.
7530 (gimplify_expr): Handle OMP_RETURN_EXPR.
7531 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7532 (OMP_PARALLEL): Add 3 operands.
7533 (OMP_SECTIONS): Add 1 operand.
7534 (OMP_RETURN_EXPR): Define.
7536 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7537 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7538 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7539 creating a circular free list.
7540 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7542 * tree-flow.h (move_sese_region_to_fn): Declare.
7543 (record_vars_into): Declare.
7544 * tree-cfg.c (make_omp_sections_edges): New.
7545 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7546 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7547 OMP_SECTIONS and OMP_SECTION.
7548 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7549 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7550 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7551 (gather_blocks_in_sese_region): New.
7552 (struct move_stmt_d): Declare.
7554 (move_block_to_fn): New.
7555 (move_sese_region_to_fn): New.
7557 * passes.c (init_optimization_passes): Schedule
7558 pass_expand_omp after pass_init_datastructures.
7560 * tree-ssa-operands.c (get_expr_operands): Handle
7561 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7562 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7564 2006-01-19 Jeff Law <law@redhat.com>
7566 * tree-vrp.c (extract_range_from_assert): Refine the result range
7567 if the variable referenced by the ASSERT_EXPR has a range and
7568 either the tentative result range or the previous range is a
7571 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7573 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7575 2006-01-19 Jan Hubicka <jh@suse.cz>
7577 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7579 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7581 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7582 (expand_compound_operation, expand_field_assignment): Fail if the
7583 bit lengths of an extract operation are out of range.
7584 (make_extraction): Compute wanted_inner_mode based on the position
7585 and length of the extraction. Make it extraction_mode for non-constant
7586 positions, and do not modify offset in that case. When generating a
7587 new MEM, use a mode that can hold the extraction while keeping correct
7588 alignment. Remove code that supported MEMs wrapped by USEs.
7589 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7591 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7593 * config/s390/s390.md ("Y", "y"): New mode attribute.
7594 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7595 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7596 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7597 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7598 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7599 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7600 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7601 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7602 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7603 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7604 "addsi3", "subsi3"): Insn patterns removed.
7605 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7606 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7607 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7608 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7609 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7610 "*sub<mode>3_cconly2"): New insn patterns.
7611 ("addsi3", "subsi3"): New expanders.
7613 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7615 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7616 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7617 existing STMT_VINFO_VECTYPE if available.
7618 (vect_mark_relevant): Add special handling for stmts that are
7619 marked as STMT_VINFO_IN_PATTERN_P.
7620 (vect_analyze_loop): Call vect_pattern_recog.
7621 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7622 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7624 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7625 (vect_recog_func_ptr): New function-pointer type.
7626 * tree-vect-patterns.c: New file.
7627 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7628 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7629 (vect_pattern_recog_1): New functions.
7630 (vect_pattern_recog_funcs): New array of function pointers.
7632 * tree-vectorizer.h (ternary_op): New enum value.
7633 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7634 declaration. Revised documentation. Removed redundant dump prints.
7635 Removed redundant argument. Added support for reduction patterns.
7636 (vectorizable_reduction): Added support for reduction patterns.
7637 (vect_transform_stmt): Added support for patterns.
7639 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7640 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7641 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7642 (expand_widen_pattern_expr): New function.
7643 (init_optabs): Initialize new optabs udot_prod_optab,
7645 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7646 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7647 (expand_widen_pattern_expr): New function declaration.
7648 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7650 * tree-inline.c (estimate_num_insns_1): Added cases for new
7651 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7652 * tree-pretty-print.c (dump_generic_node): Likewise.
7653 (op_prio): Likewise.
7654 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7655 * tree-ssa-operands.c (get_expr_operands): Added case for
7657 * tree-vect-patterns.c (widened_name_p): New function.
7658 (vect_recog_dot_prod_pattern): Added function implementation.
7659 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7660 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7661 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7662 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7664 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7665 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7666 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7667 (init_optabs): Initialize new optabs widen_ssum_optab,
7669 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7670 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7671 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7672 use instead of type of def.
7673 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7674 function implementation.
7675 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7676 widen_ssumv8hi): New.
7678 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7681 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7684 * c-decl.c (add_flexible_array_elts_to_size): New function.
7685 (finish_decl): Use it.
7687 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7689 * diagnostic.h: Include options.h.
7690 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7691 dependancies for diagnostic.h.
7692 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7694 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7696 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7697 (ssa_ro_call_cache_valid): Ditto.
7698 * tree-ssa-alias.c (sort_tags_by_id): New function.
7699 (init_transitive_clobber_worklist): Ditto.
7700 (add_to_worklist): Ditto.
7701 (mark_aliases_call_clobbered): Ditto.
7702 (compute_tag_properties): Ditto.
7703 (set_initial_properties): Ditto.
7704 (compute_call_clobbered): Ditto.
7705 (compute_may_aliases): Call compute_call_clobbered and grouping.
7706 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7707 (compute_flow_insensitive_aliasing): Grouping now happens in our
7709 (setup_pointers_and_addressables): Remove clobbering related code.
7710 (add_may_alias): Ditto.
7711 (replace_may_alias): Ditto.
7712 (get_nmt_for): Ditto.
7713 (create_global_var):
7714 (is_escape_site): Return an escape_type enumeration.
7715 * tree-flow-inline.h (is_call_clobbered): Global var does not
7716 imply call clobbered.
7717 (mark_call_clobbered): Take a reason for marking this. Remove
7718 marking of globalness, and cache invalidation.
7719 (clear_call_clobbered): Remove cache invalidation code.
7720 * tree-dfa.c (dump_variable): If details is on, dump the reason
7722 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7724 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7725 (struct var_ann_d): Ditto.
7726 (enum escape_type): New.
7727 (mark_call_clobbered): Adjust prototype.
7728 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7729 are never call clobbered.
7730 Record reasons for escaping.
7731 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7732 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7733 (ssa_ro_call_cache_valid): Ditto.
7734 (clobbered_v_may_defs): Ditto.
7735 (clobbered_vuses): Ditto.
7736 (ro_call_vuses): Ditto.
7737 (clobber_stats): New.
7738 (init_ssa_operands): Zero out clobber stats.
7739 (fini_ssa_operands): Print out clobber stats.
7740 (get_call_expr_operands): Pass callee fndecl to
7742 (add_call_clobber_ops): Remove use of cache.
7743 Add use of PURE_CONST information.
7744 (add_call_read_ops): Remove use of cache.
7745 Add use of static not_read information.
7747 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7749 Introduce TLS descriptors for i386 and x86_64.
7750 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7751 (TARGET_ANY_GNU_TLS): New macro.
7752 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7753 (struct machine_function): Add tls_descriptor_call_expanded_p.
7754 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7755 (ix86_current_function_calls_tls_descriptor): Likewise.
7756 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7757 (override_options): Introduce gnu2 tls dialect.
7758 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7760 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7762 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7763 (ix86_init_machine_status): Initialize new field.
7764 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7765 (ix86_tls_module_base): New.
7766 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7767 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7768 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7769 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7770 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7771 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7772 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7773 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7774 * config/i386/predicates.md (tls_modbase_operand): New.
7775 (tp_or_register_operand): New.
7777 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7779 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7780 (look_for_address_of): Ditto.
7781 (ipa_init): Walk the function decls.
7782 (static_execute): Don't set readonly on FUNCTION_DECL's.
7784 2006-01-18 Roger Sayle <roger@eyesopen.com>
7786 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7787 for shifts where the source and destination registers are different.
7789 2006-01-18 Paul Brook <paul@codesourcery.com>
7791 Merge from csl-arm-branch.
7792 2005-03-14 Julian Brown <julian@codesourcery.com>
7793 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7794 (aeabi_llsl): Likewise.
7795 (ashrdi3): Likewise.
7796 (aeabi_lasr): Likewise.
7797 (lshrdi3): Likewise.
7798 (aeabi_llsr): Likewise.
7799 2005-03-10 Julian Brown <julian@codesourcery.com>
7800 * config.gcc: Disable shared libgcc for SymbianOS.
7801 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7803 2006-01-18 DJ Delorie <dj@redhat.com>
7805 * c-pragma.c (handle_pragma_diagnostic): New.
7806 (init_pragma): Register it.
7807 * doc/extend.texi: Document it.
7809 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7810 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7811 (diagnostic_context): Add classify_diagnostic[].
7812 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7813 as errors if they're overridden to DK_WARNING.
7814 (diagnostic_initialize): Initialize classify_diagnostic[].
7815 (diagnostic_set_kind_override): New.
7816 (diagnostic_report_diagnostic): Check for kind changes.
7817 * opts.c (common_handle_option): Take lang_mask. Update callers.
7819 * common.opt (Werror=): New.
7820 * doc/invoke.texi: Document -Werror=*
7822 2006-01-18 Jeff Law <law@redhat.com>
7824 * tree-vrp.c (test_for_singularity): Correct test for new
7825 min limit. Use operand_equal_p rather than pointer equality
7826 for testing if new min/max values are equal.
7828 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7829 using range information until after propagation and folding.
7831 2006-01-18 Richard Henderson <rth@redhat.com>
7832 Aldy Hernandez <aldyh@redhat.com>
7833 Jakub Jelinek <jakub@redhat.com>
7834 Diego Novillo <dnovillo@redhat.com>
7836 * omp-low.c: New file.
7837 * c-omp.c: New file.
7839 2006-01-18 Richard Henderson <rth@redhat.com>
7840 Jakub Jelinek <jakub@redhat.com>
7841 Diego Novillo <dnovillo@redhat.com>
7843 * doc/invoke.texi: Document -fopenmp.
7844 * tree-dump.h (debug_function): Declare.
7845 * hooks.c (hook_bool_tree_bool_false): New function.
7846 (hook_tree_tree_null): Remove.
7847 (hook_tree_tree_tree_null): New.
7848 * hooks.h: Update to match.
7849 * tree-pretty-print.c (debug_tree_chain): New.
7850 (print_generic_expr): Handle TDF_CHAIN.
7851 (dump_generic_node): Handle BLOCK.
7852 Do not abort with incomplete SWITCH_EXPRs.
7853 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7854 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7855 print space after directive name.
7856 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7857 Handle OMP_MASTER and OMP_ORDERED.
7858 Handle printing of OMP_BODY just in one place, goto
7859 dump_omp_body in the rest of OMP_* nodes that have
7861 Don't handle clause nodes here. Update omp statements to
7862 use dump_omp_clauses.
7863 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7864 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7865 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7866 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7867 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7868 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7869 Adjust output for GOMP_PARALLEL.
7870 (dump_omp_clauses): New.
7871 (print_declaration): Dump DECL_VALUE_EXPR.
7872 (op_symbol_1): Split out of op_symbol.
7873 (dumping_stmts): Remove. Update all users.
7874 * cgraph.c (cgraph_analyze_queue): New.
7875 (cgraph_add_new_function): New.
7876 * cgraph.h (cgraph_analyze_queue): Declare.
7877 (cgraph_add_new_function): Declare.
7878 (cgraph_lower_function): Remove.
7879 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7880 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7881 and TYPE_P nodes in its default clause.
7882 (empty_body_p): New.
7883 (tree_range_check_failed): New.
7885 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7886 OMP_CLAUSE_REDUCTION_MERGE,
7887 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7888 OMP_CLAUSE_PRIVATE_DEBUG,
7889 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7890 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7891 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7892 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7893 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7894 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7895 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7896 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7897 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7898 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7899 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7900 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7901 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7902 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7903 (TREE_RANGE_CHECK): New.
7904 (empty_body_p): Declare.
7905 (enum omp_clause_default_kind): New.
7906 (build_string_literal): Declare.
7907 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7908 (build5_stat, build5): Declare.
7909 * tree-pass.h (TDF_CHAIN): Define.
7910 * tree-pass.h (PROP_gimple_lomp): Define.
7911 (pass_lower_omp): Declare.
7912 * diagnostic.h (debug_tree_chain): Declare.
7913 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7915 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7916 * builtins.c (build_string_literal): Make extern.
7917 * gcc.c (include_spec_function): New.
7918 (static_spec_functions): Add it.
7919 (main): Move load of libgomp.spec ...
7920 (LINK_COMMAND_SPEC): ... here.
7921 (link_gomp_spec): New.
7922 (static_specs): Include it.
7923 (LINK_COMMAND_SPEC): Add link_gomp.
7924 (GOMP_SELF_SPECS): New.
7925 (driver_self_specs): Include it.
7926 (switch_matches): Don't mark inline.
7927 (main): Load libgomp.spec.
7928 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7929 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7930 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7931 * tree-gimple.h (enum omp_parallel): Declare.
7932 (determine_parallel_type): Declare.
7933 (omp_firstprivatize_variable): Declare.
7934 (omp_reduction_init): Declare.
7935 (diagnose_omp_structured_block_errors): Declare.
7936 (struct walk_stmt_info): Add want_return_expr.
7937 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7938 (find_omp_clause): Declare.
7939 (insert_field_into_struct): Declare.
7940 (struct walk_stmt_info): Move from tree-nested.c
7941 (walk_stmts): Declare.
7942 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7944 * cgraphunit.c (cgraph_lower_function): Make static.
7945 (cgraph_finalize_pending_functions): New.
7946 (cgraph_finalize_function): Call it.
7947 (cgraph_finalize_compilation_unit): Likewise.
7948 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7949 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7950 (BT_FN_UINT_UINT): New.
7951 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7952 DEF_FUNCTION_TYPE_VAR_4): Document.
7953 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7954 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7955 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7956 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7957 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7958 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7959 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7960 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7961 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7962 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7963 into separate files.
7964 (DEF_GOMP_BUILTIN): New.
7965 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7966 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7967 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7968 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7969 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7970 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7971 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7972 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7973 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7974 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7975 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7976 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7977 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7978 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7979 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7980 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7981 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7982 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7983 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7984 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7985 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7986 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7987 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7988 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7989 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7990 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7991 * sync-builtins.def: New file, moved from builtins.def.
7992 * omp-builtins.def: New file, moved from builtins.def.
7993 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7994 * gimple-low.c (lower_function_body): Clear data.
7995 (lower_stmt): Do not handle COMPOUND_EXPR.
7996 Remove call to print_node_brief.
7997 * c-tree.h (c_finish_omp_clauses): New prototype.
7998 (C_DECL_THREADPRIVATE_P): Define.
7999 (lookup_name_no_remap, c_omp_remap_private): Remove
8000 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8001 (check_for_loop_decls): Update decl.
8002 (lookup_name_no_remap, c_omp_remap_private): Declare.
8003 (build_indirect_ref, build_modify_expr, pushdecl,
8004 pushdecl_top_level): Move to c-common.h.
8005 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8006 before the switch, but just in the 2 places that need it.
8007 * c-decl.c (diagnose_mismatched_decls): Do not check for
8008 mismatched thread-local attributes when OLDDECL is marked
8009 threadprivate and NEWDECL has no thread-local attributes.
8010 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8011 (c_gimple_diagnostics_recursively): Rename from
8012 c_warn_unused_result_recursively. Invoke
8013 diagnose_omp_structured_block_errors.
8014 (check_for_loop_decls): Return a singular decl found.
8015 * langhooks.c (lhd_omp_predetermined_sharing): Return
8016 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8017 (lhd_omp_firstprivatize_type_sizes): New.
8018 (lhd_omp_assignment): New.
8019 (lhd_omp_predetermined_sharing): New.
8020 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8021 (struct lang_hooks_for_types): Add
8022 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8023 omp_predetermined_sharing, omp_disregard_value_expr,
8024 omp_private_debug_clause, omp_clause_default_ctor,
8025 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8026 (c_finish_omp_clauses): New.
8027 (c_finish_bc_stmt): Diagnose break within omp for.
8028 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8029 (build_unary_op): Return error_mark after reporting
8031 (build_modify_expr): Likewise.
8032 * gimplify.c: Include optabs.h and pointer-set.h.
8033 (enum gimplify_omp_var_data): Declare.
8034 (struct gimplify_omp_ctx): Declare.
8035 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8037 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8038 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8039 (splay_tree_compare_decl_uid): New.
8040 (new_omp_context): New.
8041 (delete_omp_context): New.
8042 (gimple_add_tmp_var): Call omp_add_variable.
8043 (gimplify_bind_expr): Likewise.
8044 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8045 true, disregard DECL_VALUE_EXPR on the decl if any.
8046 (gimplify_expr_in_ctx): New.
8047 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8048 omp_add_variable, omp_notice_variable, omp_is_private
8049 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8050 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8051 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8052 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8053 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8054 gimplify_omp_atomic): New.
8055 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8056 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8057 OMP_CRITICAL and OMP_ATOMIC.
8058 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8059 * c-pragma.h (enum pragma_kind): Add
8060 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8061 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8062 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8063 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8064 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8065 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8066 PRAGMA_OMP_THREADPRIVATE.
8067 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8068 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8069 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8070 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8071 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8072 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8073 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8074 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8075 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8076 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8077 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8078 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8079 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8081 (struct nesting_info): Add field_map,
8082 suppress_expansion, debug_var_chain.
8083 (create_nesting_tree): Initialize them.
8084 (lookup_field_for_decl): Use field_map.
8085 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8086 (convert_local_omp_clauses): New.
8087 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8088 (walk_body): Split out of walk_function.
8089 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8090 (convert_nonlocal_reference): Handle omp statements.
8091 (convert_local_reference): Likewise.
8092 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8093 (unnest_nesting_tree): New.
8094 (lower_nested_functions): Call it.
8095 (insert_field_into_struct): Make extern.
8096 (struct walk_stmt_info): Move to tree-gimple.h.
8097 (walk_stmts): Make extern.
8098 * omp-builtins.def: New file.
8099 * tree-iterator.c (expr_only): Clarify comment.
8100 * c-common.h (pushdecl_top_level, pushdecl,
8101 build_modify_expr, build_indirect_ref,
8102 c_finish_omp_master, c_finish_omp_critical,
8103 c_finish_omp_ordered, c_finish_omp_barrier,
8104 c_finish_omp_atomic, c_finish_omp_flush,
8105 c_finish_omp_for, c_split_parallel_clauses,
8106 omp_clause_default_kind, c_omp_sharing_predetermined,
8107 c_omp_remap_decl): Declare.
8108 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8109 (OBJS-common): Add omp-low.o.
8110 (c-omp.o, omp-low.o): Add.
8111 (gimplify.o): Add dependency on $(OPTABS_H).
8112 (GTFILES): Add omp-low.c.
8113 (gt-stringpool.h): Add.
8114 * tree-cfg.c (set_bb_for_stmt): Do not update the
8115 block-to-labels map if we are currently expanding to RTL.
8116 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8118 Handle IDENTIFIER_NODE.
8119 (tree_verify_flow_info): Do not ICE when emitting error
8120 messages about invalid labels.
8121 (dump_function_to_file): Reset CFUN before emitting the body
8123 (debug_function): New.
8124 * passes.c (init_optimization_passes): Schedule
8126 * langhooks-def.h (lhd_omp_predetermined_sharing,
8127 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8129 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8130 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8131 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8132 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8133 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8134 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8135 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8136 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8137 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8138 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8139 (LANG_HOOK_DECLS): Use them.
8141 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8142 Richard Henderson <rth@redhat.com>
8143 Jakub Jelinek <jakub@redhat.com>
8144 Diego Novillo <dnovillo@redhat.com>
8146 * c-parser.c (pragma_omp_clause): Define.
8147 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8148 (c_parser_compound_statement): Likewise.
8149 (c_parser_statement): Likewise.
8150 (c_parser_pragma): Handle omp pragmas.
8151 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8152 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8153 (c_parser_omp_clause_name, check_no_duplicate_clause,
8154 c_parser_omp_variable_list,
8155 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8156 c_parser_omp_clause_copyprivate,
8157 c_parser_omp_clause_default,
8158 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8159 c_parser_omp_clause_lastprivate,
8160 c_parser_omp_clause_nowait,
8161 c_parser_omp_clause_num_threads,
8162 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8163 c_parser_omp_clause_reduction,
8164 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8165 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8166 c_parser_omp_atomic, c_parser_omp_barrier,
8167 c_parser_omp_critical, c_parser_omp_flush,
8168 c_parser_omp_for_loop, c_parser_omp_for,
8169 c_parser_omp_master, c_parser_omp_ordered,
8170 c_parser_omp_sections_scope, c_parser_omp_sections,
8171 c_parser_omp_parallel, c_parser_omp_single,
8172 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8173 * c-pragma.c (init_pragma): Do omp pragma registration here.
8174 * c.opt (fopenmp): New flag.
8176 2006-01-18 Eric Christopher <echristo@apple.com>
8178 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8179 * config/darwin.h (GOMP_SELF_SPECS): Define.
8181 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8183 * rtl.h: Remove the prototype for reg_alloc.
8185 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8188 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8189 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8190 sjlj and dwarf2 exception handling.
8191 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8192 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8193 * pa/pa.c (function_value): Treat complex and vector types as
8195 (function_arg): Likewise. Only pass scalar floats in the floating
8196 point argument registers.
8197 * pa/t-slibgcc-dwarf-ver: New file.
8198 * pa/t-slibgcc-sjlj-ver: New file.
8199 * pa/t-slibgcc-elf-ver: Delete file.
8201 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8203 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8204 unlikely_test_section_p test.
8206 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8208 * mode-switching.c (optimize_mode_switching): Make it static.
8209 * basic-block.h: Remove the prototype for
8210 optimize_mode_switching.
8212 * modulo-sched.c (sms_schedule): Make it static.
8213 * rtl.h: Remove the prototype for sms_schedule.
8215 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8216 * rtl.h: Remove the prototype for gcse_after_reload_main.
8218 * reg-stack.c (reg_to_stack): Make it static.
8219 * rtl.h: Remove the prototype for reg_to_stack.
8221 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8223 * rtl.h: Remove the prototypes for regrename_optimize and
8224 copyprop_hardreg_forward.
8226 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8228 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8229 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8230 Test against the appropriate null constant for the mode.
8231 If 'fixup_overlap' is true, swap the operands if they overlap.
8232 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8233 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8234 alpha_split_tmode_pair and adjust for above change.
8235 * config/alpha/alpha.md (movtf_internal): Adjust call to
8236 alpha_split_tfmode_pair and rely on it to swap the operands.
8237 (movti_internal): New insn and post-reload splitter.
8238 (movti): New expander.
8240 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8242 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8245 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8247 * rtlanal.c (global_reg_mentioned_p_1,
8248 global_reg_mentioned_p): Remove.
8249 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8251 * flow.c (initialize_uninitialized_subregs): Make it static.
8252 * rtl.h: Remove the prototype for
8253 initialize_uninitialized_subregs.
8255 * function.c (instantiate_virtual_regs): Make it static.
8256 * function.h: Remove the prototype for
8257 instantiate_virtual_regs.
8259 * regmove.c (regmove_optimize, combine_stack_adjustments):
8261 * rtl.h: Remove the prototypes for regmove_optimize and
8262 combine_stack_adjustments.
8264 2006-01-17 Roger Sayle <roger@eyesopen.com>
8266 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8267 (size_cost): Encode costs in bytes so that a reg-reg addition is
8268 equivalent to COSTS_N_INSNS(1).
8269 (override_options): Use the size_cost.branch_cost as the default
8270 ix86_branch_cost when optimizing for size.
8272 2006-01-18 Ben Elliston <bje@au.ibm.com>
8274 * Makefile.in (D32PBIT_FUNCS): New.
8275 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8276 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8277 D64PBIT_FUNCS and D128PBIT_FUNCS.
8278 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8279 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
8281 (decnumber_dep): Define.
8282 * doc/libgcc.texi (Decimal float library routines): New node.
8283 * config/dfp-bit.h, config/dfp-bit.c: New files.
8285 2006-01-18 Ben Elliston <bje@au.ibm.com>
8287 * expr.c (emit_move_change_mode): Always adjust addresses, not
8288 just during reload. Copy replacements only during reload.
8289 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8290 emit_move_via_integer.
8292 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8294 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8295 instead of $(srcdir) and ${srcdir}.
8297 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8301 * arm.h (struct machine_function): Add pic_reg.
8302 * arm.c (arm_pic_register): Make unsigned.
8303 (arm_override_options): Only set arm_pic_register if
8304 TARGET_SINGLE_PIC_BASE.
8305 (use_return_insn): Only test for a pic register if it is fixed.
8306 (arm_compute_save_reg0_reg12_mask): Likewise.
8307 (thumb_compute_save_reg_mask): Likewise.
8308 (legitimate_pic_operand): Factor out some known invariants.
8309 (legitimize_pic_address): If we don't have a fixed pic register,
8310 then set up a pseudo in the function entry sequence. Handle the
8311 pic base being in a pseudo.
8312 (arm_load_pic_register): Handle the pic register being in a pseudo.
8313 (arm_expand_prologue): Only set up the pic register if it is fixed.
8314 (thumb_expand_prologue): Likewise.
8315 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8316 (pic_load_addr_based_insn): Likewise.
8317 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8320 2006-01-18 Ben Elliston <bje@au.ibm.com>
8322 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8323 decimal float modes for all floating point registers.
8325 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8326 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8328 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8331 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8332 even when the pointer is not NULL.
8334 2006-01-16 Ian Lance Taylor <ian@airs.com>
8336 * common.opt (ftoplevel-reorder): New option.
8337 * cgraph.c (cgraph_asm_nodes): New global variable.
8338 (cgraph_asm_last_node): New static variable.
8339 (cgraph_order): New global variable.
8340 (cgraph_create_node): Set new order field.
8341 (cgraph_varpool_node): Likewise.
8342 (decide_is_variable_needed): Return true if not
8343 flag_toplevel_reorder.
8344 (cgraph_add_asm_node): New function.
8345 * cgraph.h (struct cgraph_node): Add order field.
8346 (struct cgraph_varpool_node): Add order field.
8347 (struct cgraph_asm_node): Define.
8348 (cgraph_asm_nodes, cgraph_order): Declare.
8349 (cgraph_add_asm_node): Declare.
8350 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8352 (cgraph_varpool_assemble_pending_decls): Call it.
8353 (cgraph_output_pending_asms): New static function.
8354 (cgraph_finalize_compilation_unit): Call it.
8355 (struct cgraph_order_sort): Define.
8356 (cgraph_output_in_order): New static function.
8357 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8358 !flag_toplevel_reorder case.
8359 * c-parser.c: Include "cgraph.h".
8360 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8362 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8363 than -fno-unit-at-a-time.
8364 * doc/invoke.texi (Option Summary): Mention
8365 -fno-toplevel-reorder.
8366 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8367 -funit-at-a-time documentation.
8369 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8370 Kazu Hirata <kazu@codesourcery.com>
8372 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8374 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8376 * Makefile.in (FUNCTION_H): New. Use it instead of
8377 function.h throughout the file.
8378 * function.h: Include tree.h.
8380 2006-01-17 Ben Elliston <bje@au.ibm.com>
8382 * recog.c: Separate some functions with whitespace.
8384 2006-01-16 Richard Henderson <rth@redhat.com>
8386 Merge from gomp branch:
8387 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8388 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8389 and rename from struct inline_data. Rename callee* to dst*;
8390 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8391 transform_new_cfg, transform_return_to_modify, and
8392 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8394 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8395 (copy_decl_for_dup): Remove.
8396 * tree-inline.c (struct inline_data): Move to header.
8397 (insert_decl_map): Export.
8398 (remap_decl): Update for member name changes. Use copy_decl hook.
8399 Allow for replacement to be a non-decl. Remove dead code.
8400 (remap_type_1): Check for existing mapping.
8401 (remap_type): Export.
8402 (remap_decls): Update for member name changes.
8403 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8404 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8405 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8406 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8407 (tree_function_versioning, build_duplicate_type): Likewise.
8408 (copy_body_r): Likewise. Export.
8409 (copy_decl_for_dup): Split into ...
8410 (copy_decl_for_dup_finish, copy_decl_to_var,
8411 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8412 (replace_ref_tree, inlining_p): Remove.
8414 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8416 * ifcvt.c (if_convert): Make it static.
8417 * rtl.h: Remove the prototype for if_convert.
8419 * local-alloc.c (local_alloc): Make it static.
8420 * rtl.h: Remove the prototype for local_alloc.
8422 * loop.c (loop_optimize): Make it static.
8423 * cfgloop.h: Remove the prototype for loop_optimize.
8426 2006-01-16 DJ Delorie <dj@redhat.com>
8428 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8431 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8433 * pa.md: Disparage copies between general and floating-point registers
8434 in 32-bit move patterns.
8436 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8439 * Makefile.in (check-%): Depend on site.exp instead of
8440 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8443 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8445 * global.c (global_alloc): Make it static.
8446 * rtl.h: Remove the prototype for global_alloc.
8448 2006-01-16 Richard Guenther <rguenther@suse.de>
8450 * tree-ssa-alias.c (struct used_part): Add write_only field.
8451 (get_or_create_used_part_for): Initialize it to true.
8452 (create_overlap_variables_for): Don't create structure variables
8453 for structures that only are written to.
8454 (find_used_portions): Handle MODIFY_EXPR to track whether a
8455 structure is only written to.
8457 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8459 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8461 * basic-block.h: Remove the prototype for
8462 partition_hot_cold_basic_blocks.
8464 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8466 * cppspec.c (lang_specific_spec_functions): Remove.
8467 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8468 * gcc.h (lang_specific_spec_functions): Remove.
8469 * gccspec.c (lang_specific_spec_functions): Remove.
8471 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8473 * combine.c (record_value_for_reg): Invalidate registers
8475 (record_dead_and_set_regs_1): Likewise, by passing them to
8476 record_value_for_reg.
8477 (record_dead_and_set_regs): Invalidate stores made by a
8478 call. We do not combine across a call, but we still
8479 relied on equivalences.
8481 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8483 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8484 vrp_int_const_binop returning non-constant nodes.
8486 2006-01-16 Paul Brook <paul@codesourcery.com>
8488 * config/m68k/m68k.c (output_move_const_into_data_reg):
8489 Output correct mnemonic for mvz and mvs.
8491 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
8493 * rtl-factoring.c: Add sequence abstraction algorithm.
8494 * cfgcleanup.c (outgoing_edges_match): Extra checks.
8495 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
8497 (block_has_preserve_label): New function.
8498 * common.opt: Register new pass.
8499 * Makefile.in: Ditto.
8501 * timevar.def: Ditto.
8502 * tree-pass.h: Ditto.
8503 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8504 * rtl.h (make_jump_insn_raw): Add forward decl.
8505 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8507 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8508 Roger Sayle <roger@eyesopen.com>
8510 * fold-const.c (fold_minmax): New static function.
8511 (fold_binary) <MIN_EXPR>: Call it.
8512 <MAX_EXPR>: Likewise.
8513 * stor-layout.c (place_field): Use DECL_SIZE consistently
8514 in the computation of the new record size.
8516 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8518 * cse.c (cse_condition_code_reg): Make it static.
8519 * rtl.h: Remove the prototype for cse_condition_code_reg.
8521 * combine.c (combine_instructions): Make it static.
8522 * rtl.h: Remove the prototype for combine_instructions.
8524 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8527 * tree.c (get_file_function_name_long): Concatenate the first global
8528 object name with a string derived from the input filename of the object
8531 2006-01-16 Ben Elliston <bje@au.ibm.com>
8533 * config/i386/winnt-stubs.c: Update FSF address.
8534 * config/xtensa/ieee754-df.S: Ditto.
8535 * config/xtensa/ieee754-sf.S: Ditto.
8537 2006-01-14 Ian Lance Taylor <ian@airs.com>
8539 * ifcvt.c (noce_init_if_info): New static function, broken out of
8540 noce_process_if_block.
8541 (noce_process_if_block): Call noce_init_if_info.
8542 (check_cond_move_block): New static function.
8543 (cond_move_process_if_block): New static function.
8544 (process_if_block): Call cond_move_process_if_block.
8546 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8548 * cselib.c (hash_table): Rename to cselib_hash_table.
8549 (cselib_clear_table, discard_useless_values,
8550 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8551 cselib_init, cselib_finish): Adjust uses of hash_table.
8553 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8555 PR tree-optimization/25485
8556 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8557 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8558 is known to be false and true, respectively.
8560 2006-01-14 Richard Guenther <rguenther@suse.de>
8562 PR tree-optimization/22548
8563 PR tree-optimization/22555
8564 PR tree-optimization/22501
8565 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8566 * params.def (salias-max-array-elements): New parameter.
8567 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8568 * doc/invoke.texi (salias-max-array-elements): Document.
8569 * tree-flow-inline.h (var_can_have_subvars): We also handle
8571 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8573 * tree-ssa-structalias.c (params.h): Include.
8574 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8575 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8576 (get_constraint_for): For ADDR_EXPR operating on something
8577 containing an ARRAY_REF, add all subvars to the solution.
8578 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8579 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8580 for creating MUST_DEFs.
8581 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8583 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8585 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8587 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8588 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8589 number_of_iterations_le): New functions.
8590 (number_of_iterations_special): Removed.
8591 (number_of_iterations_exit): Do not use number_of_iterations_special.
8592 * tree.c (unsigned_type_for): Always return integer type.
8594 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8595 Richard Guenther <rguenther@suse.de>
8597 PR rtl-optimization/24257
8598 * gcse.c (find_moveable_store): Only consider a store movable
8599 when the SET_SRC of the insn can be assigned to a register.
8601 2006-01-14 Ian Lance Taylor <ian@airs.com>
8603 * tree.c (tree_not_class_check_failed): New function.
8604 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8605 (tree_not_class_check_failed): Declare.
8607 2006-01-13 Ian Lance Taylor <ian@airs.com>
8609 * reload1.c (do_output_reload): Add assertion rejecting a
8612 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8614 * combine.c (struct reg_stat): Add new fields truncation_label and
8616 (record_value_for_reg): Reset truncated_to_mode.
8617 (record_truncated_value): New function.
8618 (check_promoted_subreg): Call it. Rename to check_conversions.
8619 (combine_instructions): Rename check_promoted_subreg to
8621 (reg_truncated_to_mode): New function.
8622 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8623 (gen_lowpart_or_truncate): New function.
8624 (force_to_mode): Use it instead of gen_lowpart.
8626 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8628 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8629 VAR is a tag, not its type tag.
8631 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8633 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8634 alternatives to match style of other entries.
8635 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8637 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8639 PR tree-optimization/25771
8640 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8643 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8646 * tree-inline.c (declare_return_variable): If the return variable
8647 was marked as a non gimple complex, set the return slot variable
8648 to be a non gimple comple variable.
8650 2006-01-13 Richard Guenther <rguenther@suse.de>
8652 * builtins.c (expand_builtin_sincos): New function.
8653 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8655 (expand_builtin): Expand sincos using expand_builtin_sincos.
8657 2006-01-12 DJ Delorie <dj@redhat.com>
8659 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8660 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8661 so that constant shifts can be split.
8662 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8663 (m32c_valid_pointer_mode): Make static.
8664 (shift_gen_func_for): New.
8665 (m32c_prepare_shift): Use it. Split large const shifts into
8667 * config/m32c/predicates.md (shiftcount_operand): Allow more
8669 (longshiftcount_operand): New.
8670 * doc/md.texi (Machine Constraints): Document In6.
8672 2006-01-13 Ben Elliston <bje@au.ibm.com>
8674 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8675 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8678 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8680 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8681 to try to avoid clobbering pieces of structures when we know
8682 something about the whole structure.
8683 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8685 2006-01-13 Ben Elliston <bje@au.ibm.com>
8687 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8688 return in memory, as this is no limitation is no longer present.
8690 2006-01-12 DJ Delorie <dj@redhat.com>
8692 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8693 mova with fb, and for fb+0 -> An.
8695 * config/m32c/mov.md (peephole2): Fix enabling logic.
8697 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8698 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8699 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8700 FINI_ARRAY_SECTION_ASM_OP): Define.
8702 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8704 (m32c_legitimize_reload_address): New logic to reload FB to An.
8705 (m32c_output_reg_push): Add newline.
8706 (m32c_output_reg_pop): Likewise.
8708 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8710 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8712 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8714 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8716 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8718 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8721 2006-01-11 Ben Elliston <bje@au.ibm.com>
8723 * rtlanal.c (find_reg_note): Assert insn is not null.
8725 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8727 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8730 2006-01-11 Jeff Law <law@redhat.com>
8732 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8734 (mark_threaded_blocks, register_jump_thread): New functions.
8735 (thread_through_all_blocks): Remove unwanted argument. No
8736 longer rely on e->aux to communicate thread target info.
8737 Call mark_threaded_blocks. Release the threaded_blocks
8738 bitmap and threaded_edges vector when complete.
8739 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8740 (threaded_blocks): Remove.
8741 (tree_ssa_dominator_optimize): Remove initialization and
8742 finalization of threaded_blocks. Simplify call to
8743 thread_through_all_blocks.
8744 (thread_across_edge): Call register_jump_thread rather than
8745 storing thread information into e->aux.
8746 (free_all_edge_infos): Simplify now that e->aux is no longer
8747 used to communicate with thread_through_all_blocks.
8748 * tree-flow.h (thread_through_all_blocks): Update prototype.
8749 (register_jump_thread): Prototype.
8751 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8753 * df-core.c (df_compact_blocks, df_bb_replace): Use
8754 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8756 2006-01-11 Richard Guenther <rguenther@suse.de>
8758 PR tree-optimization/25734
8759 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8760 stop propagation after successful propagation to the LHS.
8762 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8764 * basic-block.h (control_flow_graph): Change the type of
8765 x_basic_block_info to VEC(basic_block,gc) *.
8766 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8768 (SET_BASIC_BLOCK): New.
8769 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8770 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8771 * cfgbuild.c (find_basic_blocks): Likewise.
8772 * cfglayout.c (fixup_reorder_chain): Likewise.
8773 * cfgrtl.c (create_basic_block_structure,
8774 rtl_create_basic_block): Likewise.
8775 * ifcvt.c (find_if_case_1): Likewise.
8776 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8779 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8781 * Makefile.in: Removed rotted odf.c entry.
8783 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8786 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8787 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8788 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8789 output pattern modifier, not %e.
8790 * config/cris/cris.c (cris_op_str): Update comment about pattern
8792 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8793 before falling through into...
8794 <case 'E'>: Redefined from old 'e' case.
8796 2006-01-11 Jan Hubicka <jh@suse.cz>
8799 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8801 2006-01-11 Jan Hubicka <jh@suse.cz>
8803 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8804 * i386.c (x86_decompose_lea): Kill.
8805 (ix86_rtx_costs): Kill.
8807 2006-01-11 Jan Hubicka <jh@suse.cz>
8809 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8810 * cgraph.h (cgraph_node): Add inline_decl.
8811 (cgraph_insert_node_to_hashtable): Declare.
8812 (save_inline_function_body): Declare.
8813 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8815 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8816 (cgraph_function_versioning): Update call of tree_function_versioning.
8817 (save_inline_function_body): New function.
8818 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8819 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8820 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8821 (cgraph_default_inline_p): Likewise.
8822 (cgraph_decide_inlining_incrementally): Likewise.
8823 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8824 (copy_bb): Kill saving; do updating of clones.
8825 (copy_cfg_body): Kill saving.
8826 (initialize_inlined-parameters): Likewise.
8827 (expand_call_inline): Likewise.
8829 (tree_function_versioning): New parameter "update_clones".
8830 (inlining_p): Kill saving.
8831 * tree-inline.h (tree_function_versioning): Update prototype.
8832 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8835 2006-01-11 Ian Lance Taylor <ian@airs.com>
8837 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8838 Allow undoing set of machine mode.
8839 (do_SUBST): Use enums instead of is_int.
8840 (do_SUBST_MODE): New function.
8841 (SUBST_MODE): New macro.
8842 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8843 reg and trying to replace reg_regno_rtx with a new register.
8844 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8845 (simplify_set): Use SUBST_MODE.
8846 (distribute_notes): Remove code that tried to update reg notes
8847 for regno_reg_rtx changes.
8849 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8851 PR tree-optimization/23109
8852 PR tree-optimization/23948
8853 PR tree-optimization/24123
8855 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8856 * tree-cfg.c (single_noncomplex_succ): New.
8857 * tree-flow.h (single_noncomplex_succ): Declare it.
8858 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8859 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8860 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8861 insert_bb, register_division_in, insert_reciprocals,
8862 replace_reciprocal, free_bb): New.
8863 (execute_cse_reciprocals_1): Rewritten.
8864 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8865 Do not commit any edge insertion. Always compute dominators and
8866 create the allocation pool.
8867 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8868 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8869 * targhooks.c (default_min_divistions_for_recip_mul): New.
8870 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8871 * passes.c (init_optimization_passes): Run recip after tree loop
8873 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8875 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8876 Kenneth Zadeck <zadeck@naturalbridge.com>
8878 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8879 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8880 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8881 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8882 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8883 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8884 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8885 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8886 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8887 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8888 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8889 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8890 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8891 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8892 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8893 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8894 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8895 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8896 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8897 DF_SCAN_POST_ALLOC): New macros.
8898 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8899 df_free_bb_function, df_local_compute_function, df_init_function,
8900 df_dataflow_function, df_confluence_function_0,
8901 df_confluence_function_n, df_transfer_function,
8902 df_finalizer_function, df_free_function, df_dump_problem_function,
8903 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8904 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8905 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8906 df_urec_bb_info, ) New types.
8907 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8909 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8910 df_analyze_simple_change_some_blocks,
8911 df_analyze_simple_change_one_block, df_compact_blocks,
8912 df_bb_replace, df_bb_regno_last_use_find,
8913 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8914 df_insn_regno_def_p, df_find_def, df_find_use,
8915 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8916 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8917 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8918 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8919 debug_df_chain, df_get_dependent_problem, df_chain_create,
8920 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8921 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8922 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8923 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8924 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8925 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8926 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8927 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8928 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8929 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8930 df_reorganize_refs, df_set_state, df_hard_reg_init,
8931 df_read_modify_subreg_p) New public functions.
8932 * df-core.c: The core dataflow solver and glue routines for rtl
8934 (df_init, df_add_problem, df_set_blocks, df_finish,
8935 df_hybrid_search_forward, df_hybrid_search_backward,
8936 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8937 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8938 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8939 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8940 df_reg_defined, df_find_use, df_reg_used, df_dump,
8941 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8942 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8943 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8944 debug_df_useno, reset_df_after_reload): New functions.
8945 * df-scan.c: The scanning fuctions, once in df.c, completely
8946 rewritten so that they now fully model the functionality of
8947 register usage at the backend.
8948 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8949 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8950 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8951 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8952 df_get_artificial_defs, df_get_artificial_uses,
8953 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8954 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8955 df_refs_delete, df_reorganize_refs, df_set_state,
8956 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8957 df_def_record_1, df_defs_record, df_uses_record,
8958 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8959 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8960 df_record_exit_block_uses, df_hard_reg_init): New functions.
8962 * df-problems.c: Seven concrete dataflow problems that use the
8963 scanning in df-scan.c and are solved by the engine in df-core.c.
8964 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8965 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8966 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8967 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8968 df_ru_free_bb_info, df_ru_alloc,
8969 df_ru_bb_local_compute_process_def,
8970 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8971 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8972 df_ru_transfer_function, df_ru_free, df_ru_dump,
8973 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8974 df_rd_free_bb_info, df_rd_alloc,
8975 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8976 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8977 df_rd_transfer_function, df_rd_free, df_rd_dump,
8978 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8979 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8980 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8981 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8982 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8983 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8984 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8985 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8986 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8987 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8988 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8989 df_urec_mark_reg_use_for_earlyclobber,
8990 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8991 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8992 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8993 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8994 df_chain_create_bb_process_use, df_chain_create_bb,
8995 df_chain_finalize, df_chain_free, df_chains_dump,
8996 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8997 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8998 df_reg_lifetime): New functions.
8999 * df.c: Deleted file.
9000 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9001 consistent with new df api.
9002 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9003 rest_of_handle_sms): Ditto.
9004 * web.c (unionfind_union, union_defs, entry_register, web_main):
9006 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9007 invariant_expr_equal_p, find_defs, check_dependencies,
9008 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9009 free_inv_motion_data, move_loop_invariants): Ditto.
9010 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9011 Update dependencies.
9012 (odf.c): Added defective entry that was deleted later in day.
9013 * sched-deps.c (sched_analyze_1): Ditto.
9015 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9017 * tree-ssa-operands.c (get_expr_operands): Record addressable
9018 variables directly. Do not call add_stmt_operands for CONST_DECLs
9020 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9021 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9023 2006-01-11 Ben Elliston <bje@au.ibm.com>
9025 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9026 function returns true in the positive case.
9028 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9031 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9032 for SI, DI, SF and DF modes. Add alternatives to copy between
9033 general and floating point registers to the 32-bit patterns.
9034 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9035 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9036 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9037 generating 64-bit code.
9038 * config/pa/pa.c (output_move_double): Handle copies between general
9039 and floating registers.
9041 2006-01-10 Stuart Hastings <stuart@apple.com>
9043 * config/i386/i386.md (set_got): Update.
9044 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9045 (builtin_setjmp_receiver): Mach-O support.
9046 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9047 (GOT_SYMBOL_NAME): Define.
9048 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9049 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9050 * config/i386/i386.c (override_options): Revise for Darwin.
9051 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9052 support. (darwin_x86_file_end): New. (output_set_got): Add label
9053 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9054 * config/i386/i386-protos.h (output_set_got): Likewise.
9055 * config/darwin.c (machopic_legitimize_pic_address): Update
9058 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9060 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9061 when MODE isn't BLKmode.
9063 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9065 PR rtl-optimization/25367
9066 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9068 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9071 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9072 for a negative bound.
9074 2006-01-10 Richard Guenther <rguenther@suse.de>
9076 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9077 Never override with anything constraint.
9079 2006-01-10 Jan Beulich <jbeulich@novell.com>
9081 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9082 256 bits when optimize_size.
9084 2006-01-10 Jan Beulich <jbeulich@novell.com>
9086 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9088 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9089 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9092 2006-01-10 Ben Elliston <bje@au.ibm.com>
9094 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9096 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9097 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9098 (USE_FP_FOR_ARG): Reject decimal float modes.
9099 (function_arg_advance): Likewise.
9100 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9101 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9102 point types in AltiVec vectors.
9103 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9104 (rs6000_libcall_value): Likewise.
9106 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9108 * config/xtensa/ieee754-df.S: New file.
9109 * config/xtensa/ieee754-sf.S: New file.
9110 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9111 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9112 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9114 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9116 * config/sh/predicates.md (binary_float_operator,
9117 binary_logical_operator, commutative_float_operator,
9118 equality_comparison_operator, greater_comparison_operator,
9119 less_comparison_operator, logical_operator,
9120 noncommutative_float_operator, shift_operator,
9121 symbol_ref_operand, unary_float_operator): Remove redundant
9124 2006-01-09 Jeff Law <law@redhat.com>
9126 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9127 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9128 now unused arguments. Callers updated.
9129 (eliminate_redundant_computations): Remove now unused arguments,
9131 (local_fold): Remove, no longer used.
9132 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9134 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9135 (simplify_cond): New function.
9136 (forward_propagate_into_cond): Call simplify_cond.
9138 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9140 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9141 (*vec_extractv2di_1_sse): New.
9143 2006-01-09 Ben Elliston <bje@au.ibm.com>
9145 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9147 2006-01-08 Richard Guenther <rguenther@suse.de>
9149 * tree-ssa-structalias.c (get_constraint_for): Remove
9151 (get_constraint_for_component_ref): Likewise.
9152 (do_deref): Likewise.
9153 (get_constraint_for): Likewise.
9154 (do_structure_copy): Likewise.
9155 (handle_ptr_arith): Likewise.
9156 (find_func_aliases): Likewise. Remove unused need_anyoffset
9159 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9160 Kaz Kojima <kkojima@gcc.gnu.org>
9162 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9163 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9164 (EXTRA_CONSTRAINT_C16): Remove.
9165 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9166 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9167 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9168 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9169 constants of SHmedia. Handle nested constant expressions of
9171 (andcosts): Fix the costs for SHmedia constants.
9172 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9173 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9174 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9175 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9176 (movv4hi_i, movv2si_i): Likewise.
9177 (movsi_const): Adjust the second operand of ior so to match with
9179 (movdi_const, movdi_const_32bit): Likewise.
9180 (movdi_const_16bit+1): Don't sign-extend LOW.
9181 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9183 (*double_shori): Fix the split condition. Use GEN_INT instead
9184 of get_int_mode calls. Mask lower 16-bit of the argument of
9186 (sym2GOTPLT): Remove.
9187 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9189 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9190 instead of EXTRA_CONSTRAINT_C16.
9192 2006-01-07 Ian Lance Taylor <ian@airs.com>
9193 David Edelsohn <edelsohn@gnu.org>
9195 PR rtl-optimization/25662
9196 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9197 for constant operands instead of simplify_gen_binary.
9198 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9199 after trying simplify_binary_operation
9201 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9203 * tree.c (iterative_hash_expr): Hash decls based on UID.
9205 2006-01-06 Eric Christopher <echristo@apple.com>
9207 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9208 (TARGET_UNWIND_EMIT): Fix spelling.
9209 * target.h (gcc_target): Add except_table_label.
9210 * except.c (output_function_exception_table): Use.
9211 * varasm.c (default_emit_except_table_label): New.
9212 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9214 (asm_out): Add here.
9215 * output.h (default_emit_except_table_label): Prototype.
9216 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9217 * config/darwin.c (darwin_emit_except_table_label): Define.
9218 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9220 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9222 PR tree-optimization/18527
9223 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9224 number_of_iterations_special, number_of_iterations_exit):
9225 Move base and step of an iv to a single structure. Add
9226 no_overflow flag, and use it in # of iterations analysis.
9227 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9228 folded_casts argument.
9229 (simple_iv): Pass base and step in a structure. Set no_overflow
9231 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9232 Evaluate expensiveness of computing # of iterations instead of
9233 the final expression.
9234 * tree-scalar-evolution.h (affine_iv): New structure.
9235 (simple_iv): Declaration changed.
9236 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9237 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9238 find_givs_in_stmt): Changed due to simple_iv change.
9240 2006-01-06 Jeff Law <law@redhat.com>
9243 * tree-cfg.c (bsi_replace): Rename final argument from
9244 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9245 change (stmt -> orig_stmt).
9246 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9247 (bsi_remove): Add new argument. Remove EH information
9249 (verify_eh_throw_table_statements): New function.
9250 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9252 * tree-optimize.c (execute_free_cfg_annotations): Verify
9253 the EH throw statement table after removing annotations.
9254 * except.h (verify_eh_throw_table_statements): Prototype.
9255 * tree-flow.h (bsi_remove): Update prototype.
9256 * tree-vrp.c (remove_range_assertions): Add new argument to
9258 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9259 * tree-complex.c (expand_complex_div_wide): Likewise.
9260 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9261 * tree-tailcall.c (eliminate_tailcall): Likewise.
9262 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9263 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9264 * tree-nrv.c (tree_nrv): Likewise.
9265 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9266 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9267 (combine_blocks): Likewise.
9268 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9269 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9270 (cleanup_control_flow): Likewise.
9271 (remove_forwarder_block): Likewise.
9272 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9273 * tree-sra.c (sra_replace): Likewise.
9274 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9275 (forward_propagate_single_use_vars): Likewise.
9276 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9277 * tree-inline.c (expand_call_inline): Likewise.
9278 * tree-vect-transform.c (vect_transform_loop): Likewise.
9279 * tree-outof-ssa.c (rewrite_trees): Likewise.
9280 * tree-cfg.c (make_goto_expr_edges): Likewise.
9281 (cleanup_dead_labels): Likewise.
9282 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
9283 (bsi_move_before, bsi_move_after): Likewise.
9284 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9285 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9287 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9290 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9292 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9293 on non gimple variables. Also add checks at the top for decls and
9295 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9297 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9298 and IMAGPART_EXPR for creating MUST_DEFs.
9299 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9300 and NAME_MEMORY_TAG separately from the DECLs.
9302 2006-01-06 Richard Guenther <rguenther@suse.de>
9304 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9305 annotation, if necessary.
9306 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9307 redundant calls to update_stmt.
9308 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9311 2006-01-05 Richard Henderson <rth@redhat.com>
9313 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9315 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9317 * c-typeck.c: Update copyright date.
9319 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9321 * c-typeck.c (build_c_cast): Always warn when casting
9322 from a pointer to an integer of different size, even if
9323 the node was constant.
9325 2006-01-05 Richard Guenther <rguenther@suse.de>
9327 PR tree-optimization/22555
9328 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9329 if one structure field is an array.
9330 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9331 operands even if we found a subvar, but ignore VOPs in this
9333 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9335 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9337 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9340 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9342 2006-01-05 Richard Guenther <rguenther@suse.de>
9343 Diego Novillo <dnovillo@redhat.com>
9345 * tree-pass.h (TODO_remove_unused_locals): Define.
9346 * gimple-low.c (expand_var_p, remove_useless_vars,
9347 pass_remove_useless_vars): Remove. Update all users.
9348 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9349 (remove_unused_locals): New function.
9350 * tree-flow.h (remove_unused_locals): Declare.
9351 * passes.c (execute_todo): Call remove_unused_locals if
9352 TODO_remove_unused_locals is set.
9353 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9354 * tree-ssa-dce.c (pass_dce): Likewise.
9355 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9357 2006-01-05 Richard Guenther <rguenther@suse.de>
9359 * tree-flow.h (struct fieldoff): Decompose field to
9360 type, size and decl.
9361 * tree-ssa-alias.c (create_sft): Take type as parameter.
9362 (create_overlap_variables_for): Store type, size and decl
9363 in the fieldoff structure.
9364 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9366 (push_fields_onto_fieldstack): Likewise.
9367 (create_variable_info_for): Likewise. Use offset for the
9368 SFT name if the decl is not available.
9370 2006-01-04 Paul Brook <paul@codesourcery.com>
9372 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9374 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9376 * lambda-code.c (can_put_in_inner_loop): Relax
9378 (can_put_after_inner_loop): New function.
9379 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9380 (perfect_nestify): Change to make copies and modify uses.
9382 2006-01-04 Richard Henderson <rth@redhat.com>
9384 Merge from gomp branch:
9385 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9386 via integer constant.
9387 (pragma_lex): Remove.
9388 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9389 rather than parsing it.
9390 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9391 handle_pragma_extern_prefix): Add %< %> quotes.
9392 (registered_pragmas): New.
9393 (c_register_pragma_1): New.
9394 (c_register_pragma): Use it.
9395 (c_register_pragma_with_expansion): Likewise.
9396 (c_invoke_pragma_handler): New.
9397 (init_pragma): Use cpp_register_deferred_pragma directly for
9399 * c-pragma.h (enum pragma_kind): New.
9400 (pragma_handler): New.
9401 (c_invoke_pragma_handler): Declare.
9402 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9404 * c-common.h (c_common_pch_pragma): Update decl.
9405 * Makefile.in (c-parser.o): Update dependencies.
9406 (GTFILES): Add c-pragma.h.
9407 * c-parser.c (struct c_token): Add pragma_kind.
9408 (struct c_parser): Add in_pragma.
9409 (c_lex_one_token): Always initialize keyword and pragma_kind.
9410 Extract data for CPP_PRAGMA.
9411 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9412 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9413 Don't allow CPP_PRAGMA_EOL if in_pragma.
9414 (c_parser_consume_pragma): New.
9415 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9416 (c_parser_skip_to_end_of_parameter): Likewise.
9417 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9418 (c_parser_skip_to_pragma_eol): New.
9419 (c_parser_external_declaration): Handle CPP_PRAGMA.
9420 (c_parser_compound_statement_nostart): Likewise.
9421 (c_parser_statement_after_labels): Likewise.
9422 (c_parser_pragma): New.
9423 (pragma_lex): Likewise.
9424 (c_parser_pragma_pch_preprocess): New.
9425 (c_parser_new): Merge into ...
9426 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9428 2006-01-04 Jeff Law <law@redhat.com>
9431 * tree-cfg.c (bsi_replace): Remove the original statement
9432 from the EH throw statement table.
9434 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9436 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9437 make the prototype extern "C" and add throw ().
9440 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9441 and pos non-negative and pos + len <= 32.
9442 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9443 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9444 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9447 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9448 as well as sizes not multiple of component size.
9451 * function.c (instantiate_expr): New function.
9452 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9453 walk its DECL_VALUE_EXPR with instantiate_expr.
9455 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9456 DW_OP_deref{,_size} if address isn't going to be added.
9458 2006-01-04 Ben Elliston <bje@au.ibm.com>
9460 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9461 * config/fp-bit.c: Likewise.
9463 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9465 * dominance.c: Add comment about why we use DFS numbering
9468 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9469 Richard Henderson <rth@redhat.com>
9471 Merge from gomp-branch:
9472 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9473 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9475 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9477 PR rtl-optimization/25578
9478 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9479 pass a parameter to simplify_shift_const if changing ASHIFTRT
9482 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9484 * builtins.c (get_builtin_sync_mem): New function.
9485 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9486 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9487 Call get_builtin_sync_mem to generate mem rtx.
9489 2006-01-03 Richard Guenther <rguenther@suse.de>
9492 * stmt.c (add_case_node): Make sure to clear overflow flags
9495 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9497 Merge from gomp-branch.
9498 * config/sparc/sync.md: New file.
9499 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9500 UNSPECV_LDSTUB): New constants.
9501 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9502 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9503 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9506 2006-01-03 Roger Sayle <roger@eyesopen.com>
9508 * combine.c (reg_subword_p): New predicate to test whether the
9509 destination of a set refers to a subword/piece of a register.
9510 (try_combine): Generalize the code to merge the setting of a
9511 pseudo to a constant followed by a set of a subword of that
9512 register to a constant.
9514 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9516 * basic-block.h (control_flow_graph): Change the type of
9517 x_label_to_block_map to VEC(basic_block,gc) *.
9518 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9519 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9521 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9522 VEC(basic_block,heap) *.
9523 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9524 ssa_prop_fini): Adjust the uses of cfg_blocks.
9526 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9528 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9530 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9531 hashing trees instead of a pointer hash.
9532 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9533 compare for MEM_EXPR.
9535 PR rtl-optimization/25130
9536 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9537 when comparing MEMs for GCSE
9539 2006-01-03 Ben Elliston <bje@au.ibm.com>
9541 * targhooks.h (default_decimal_float_supported_p): Declare.
9542 * targhooks.c (default_decimal_float_supported_p): Define.
9543 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9544 `default_decimal_float_supported_p'.
9545 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9547 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9549 * combine.c (apply_distributive_law <SUBREG>): Check
9550 TRULY_NOOP_TRUNCATION.
9552 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9554 * dwarf2out.c (have_switched_text_section): Delete.
9555 (have_multiple_function_sections): New.
9556 (have_location_lists): Make 'bool'.
9557 (add_AT_loc_list): Use 'true' not '1'.
9558 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9559 (output_loc_list): Use have_multiple_function_sections.
9560 (output_ranges): Likewise.
9561 (dwarf2out_begin_function): Set have_multiple_function_sections if
9563 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9564 Check function_section rather than DECL_SECTION_NAME.
9565 (dwarf2out_finish): Use have_multiple_function_sections.
9566 Don't clear have_location_lists.
9568 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9569 Jan Hubicka <jh@suse.cz>
9571 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9572 case of conditional jump jumping to the next instruction.
9573 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9574 cases of conditional jump jumping to the next instruction.
9576 2006-01-02 Jan Hubicka <jh@suse.cz>
9578 * i386.c (*_cost): Add COSTS_N_INSNS.
9579 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9581 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9584 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9586 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9588 * config/arm/arm.c (all_fpus): Fix comment typo.
9589 * config/darwin.c: Likewise.
9590 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9591 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9592 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9594 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9596 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9597 (rs6000_split_compare_and_swapqhi): New.
9598 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9599 (sync_compare_and_swapqhi_internal): New.
9600 * config/rs6000/rs6000-protos.h: Declare.
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