1 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
4 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7 * tree-ssa-structalias.h (alias_info): Remove num_references.
9 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
12 (output_bvb patterns): Likewise.
13 * pa.c (output_bb): Use 'bb' insn for long branch case.
14 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
15 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
16 1. Correct length operand for alternatives 1 and 2.
17 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
18 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
20 2006-04-14 Roger Sayle <roger@eyesopen.com>
22 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
23 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
24 were accidentally reverted by r112959.
26 2006-04-15 Jakub Jelinek <jakub@redhat.com>
29 * except.h (eh_region_outermost): New prototype.
30 * except.c (eh_region_outermost): New function.
31 * tree-cfg.c (find_outermost_region_in_block): Use it.
33 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
35 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
37 * reload1.c (reg_equiv_memory_loc_varray): Rename to
38 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
39 (init_reload, reload): Use VEC instead of VARRAY.
40 * reload.h: Update the prototype for
41 reg_equiv_memory_loc_varray.
43 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
44 Eric Botcazou <ebotcazou@libertysurf.fr>
46 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
49 2005-04-13 Uros Bizjak <uros@kss-loka.si>
52 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
53 to expand fallback builtin function call.
55 2006-04-14 Alan Modra <amodra@bigpond.net.au>
58 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
59 and emit libcall here in case the builtin fails.
60 (expand_builtin_strcmp): Always emit the libcall here on failure.
62 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
64 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
65 * flow.c (reg_n_info): Change the type to
66 VEC(reg_info_p,heap) *.
67 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
69 * regs.h (reg_info_p): New.
70 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
71 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
72 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
75 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
77 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
79 * params.h (MAX_SCHED_READY_INSNS): New macro.
80 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
81 past MAX_SCHED_READY_INSNS during the first scheduling pass.
82 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
83 the ready list for 1 cycle during the first scheduling pass.
84 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
86 2006-04-13 Richard Henderson <rth@redhat.com>
89 * gimple-low.c (lower_omp_directive): Remove dead code.
90 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
91 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
92 * omp-low.c (struct omp_region): Move to tree-flow.h.
93 (root_omp_region): Export.
94 (omp_regions, lookup_omp_region): Remove.
95 (determine_parallel_type): Update for struct omp_region changes.
96 (dump_omp_region): Dump regions with block numbers.
97 (new_omp_region): Take type and block instead of stmt; malloc
99 (free_omp_region_1, free_omp_regions): New.
100 (expand_parallel_call): Take entry_stmt as argument; update for
101 changes to omp_region.
102 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
103 (remove_exit_barriers): New.
104 (expand_omp_parallel): Update for struct omp_region changes.
105 (expand_omp_synch): Likewise.
106 (expand_omp): Likewise.
107 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
108 (expand_omp_for_static_chunk): Likewise.
109 (expand_omp_for): Likewise.
110 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
111 (expand_omp_sections): Similarly, with GOMP_sections_end.
112 (expand_omp_single): New.
113 (build_omp_regions_1): Update for OMP_CONTINUE.
114 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
115 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
116 OMP_SECTIONS_SECTIONS.
117 (lower_omp_single_simple): Don't emit barrier here.
118 (lower_omp_single_copy): Likewise.
119 (lower_omp_single): Fix bindings, and lower to straightline now.
120 (lower_omp_master, lower_omp_ordered): Likewise.
121 (lower_omp_critical): Likewise.
122 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
123 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
124 omp edges, free it afterward.
125 (make_omp_sections_edges): Remove.
126 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
127 (move_stmt_r): Handle OMP_CONTINUE.
128 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
129 statement pointers to basic blocks. Add type member.
130 (root_omp_region, new_omp_region, free_omp_regions): Declare.
131 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
132 * tree-inline.c (estimate_num_insns_1): Likewise.
133 * tree-pretty-print.c (dump_generic_node): Likewise.
134 * tree-ssa-operands.c (get_expr_operands): Likewise.
135 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
136 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
138 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
139 (OMP_SECTIONS_SECTIONS): Remove.
140 (OMP_SECTION_LAST): New.
141 (OMP_RETURN_NOWAIT): New.
143 2006-04-13 Roger Sayle <roger@eyesopen.com>
145 * fold-const.c (native_encode_vector, native_interpret_real):
146 Correct obvious mistakes in the previous check-in.
148 2006-04-13 Roger Sayle <roger@eyesopen.com>
150 * fold-const.c (native_encode_expr): New function to encode
151 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
152 or VECTOR_CST into a specified buffer.
153 (native_encode_int): New function.
154 (native_encode_real): New function.
155 (native_encode_complex): New function.
156 (native_encode_vector): New function.
157 (native_interpret_expr): Inverse of native_encode_expr to convert
158 a target representation into an INTEGER_CST, REAL_CST etc...
159 (native_interpret_int): New function.
160 (native_interpret_real): New function.
161 (native_interpret_complex): New function.
162 (native_interpret_vector): New function.
163 (fold_view_convert_expr): New function to constant fold/evaluate
164 a VIEW_CONVERT_EXPR of a suitable constant expression.
165 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
166 Change call of build1 to fold_build1 when constructing a
169 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
170 Ulrich Weigand <uweigand@de.ibm.com>
173 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
176 2006-04-13 Alan Modra <amodra@bigpond.net.au>
179 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
180 optimize to lo_sum for DFmode if !TARGET_FPRS.
182 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
184 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
185 delete_alias_info, compute_flow_sensitive_aliasing,
186 group_aliases): Use VEC instead of VARRAY.
187 * tree-ssa-structalias.c (update_alias_info): Likewise.
188 * tree-ssa-structalias.h (alias_info): Change the type of
189 processed_ptrs to VEC(tree,heap) *.
191 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
194 * config/sh/lib1funcs.h: New file, broken out of:
195 * config/sh/lib1funcs.asm.
196 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
198 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
199 * config/sh/lib1funcs-Os-4-200.asm: New file.
200 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
201 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
202 (EXTRA_MULTILIB_PARTS): Include it.
203 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
204 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
205 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
206 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
209 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
211 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
212 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
213 tpa_compact, root_var_init, type_var_init): Use VEC instead of
215 * tree-ssa-live.h: Include vecprim.h.
216 (tree_partition_associator_d): Change the type of
217 first_partition to VEC(int,heap) *.
218 (tpa_first_partition): Use VEC instead of VARRAY.
220 * Makefile.in (GTFILES): Move functions.h after tree.h.
221 * function.c (reset_block_changes, record_block_change,
222 check_block_change, free_block_changes): Use VEC instead of
224 * function.h (function): Change the type of
225 ib_boundaries_block to VEC(tree,gc) *.
226 * tree-inline.c (copy_cfg_body): Initialize
227 ib_boundaries_block to NULL instead of (varray_type) 0.
229 2006-04-12 Roger Sayle <roger@eyesopen.com>
231 * expr.c (emit_group_store): Correct operand order in call to
232 subreg_lowpart_offset. Always create paradoxical SUBREGs with
233 a SUBREG_BYTE of zero.
235 2006-04-12 Richard Guenther <rguenther@suse.de>
237 * profile.c (compute_branch_probabilities): Remove code
238 encapsulated in !ir_type (), which are remanents of the
239 removed RTL profiling code.
240 * rtl-profile.c: Remove.
242 2006-04-12 Alan Modra <amodra@bigpond.net.au>
244 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
245 magic NULL_RTX comment.
246 (function_arg): Store entire fp arg to mem if any part should go
248 (rs6000_arg_partial_bytes): Adjust for above change.
250 2006-04-11 Roger Sayle <roger@eyesopen.com>
252 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
253 if it hasn't been initialized by dwarf2out_init.
255 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
257 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
258 symbolic constants in branch patterns.
260 2006-04-11 Roger Sayle <roger@eyesopen.com>
262 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
264 2006-04-11 Richard Sandiford <richard@codesourcery.com>
266 PR rtl-optimization/27073
267 * gcse.c (try_replace_reg): Revert last change. Continue to search
268 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
271 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
273 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
274 aggregate types other than record and union types.
275 (function_arg): Likewise.
276 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
278 (function_value): In 64-bit mode, return objects that require it
281 2006-04-11 Roger Sayle <roger@eyesopen.com>
283 * dwarf2out.c (premark_used_types): Remove problematic prototype.
285 2006-04-11 Jakub Jelinek <jakub@redhat.com>
287 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
289 2006-04-03 Jeff Law <law@redhat.com>
292 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
293 alias information too.
295 2006-04-10 Mike Frysinger <vapier@gentoo.org>
297 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
299 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
302 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
303 (premark_used_types_helper): New.
304 (premark_used_types): New.
305 (gen_subprogram_die): Call premark_used_types.
306 (prune_unused_types_walk): Do not prune perennial dies.
307 * function.c (used_types_insert): New.
308 * function.h (struct function): Add used_types_hash field.
309 (used_types_insert): Add prototype.
310 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
311 * c-parser.c (c_parser_cast_expression): Save casted types in used
314 2006-04-11 Mark Mitchell <mark@codesourcery.com>
317 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
318 rs6000_explicit_options.float_gprs.
320 2006-04-10 Roger Sayle <roger@eyesopen.com>
322 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
323 from ix86_expand_vector_init_low_nonzero. Take an additional
324 one_var argument indicating which element is non-zero. Support
325 one_var != 0 for V4SFmode and V4SImode by permuting the result.
326 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
327 with one_var instead of ix86_expand_vector_init_low_nonzero.
329 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
331 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
332 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
333 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
334 build/genextract.o): Depend on vecprim.h.
335 * cfglayout.c, df-problems.c, function.c, genextract.c,
336 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
337 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
341 2006-04-10 Geoffrey Keating <geoffk@apple.com>
343 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
344 Declare VECs of this type.
345 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
346 (remove_children): Delete.
347 (add_dwarf_attr): Use VEC routines.
348 (add_AT_flag): Update for changes to add_dwarf_attr.
349 (add_AT_int): Likewise.
350 (add_AT_unsigned): Likewise.
351 (add_AT_long_long): Likewise.
352 (add_AT_vec): Likewise.
353 (add_AT_string): Likewise.
354 (add_AT_die_ref): Likewise.
355 (add_AT_fde_ref): Likewise.
356 (add_AT_loc): Likewise.
357 (add_AT_loc_list): Likewise.
358 (add_AT_addr): Likewise.
359 (add_AT_lbl_id): Likewise.
360 (add_AT_lineptr): Likewise.
361 (add_AT_macptr): Likewise.
362 (add_AT_offset): Likewise.
363 (add_AT_range_list): Likewise.
364 (get_AT): Use VEC_iterate.
365 (remove_AT): Use VEC_ordered_remove.
366 (free_die): Fold remove_children into here; have it use VEC_iterate.
367 (print_die): Use VEC_iterate on attrs.
368 (reverse_die_lists): Don't reverse attr lists.
369 (die_checksum): Use VEC_iterate on attrs.
370 (same_die_p): Likewise.
371 (output_location_lists): Likewise.
372 (build_abbrev_table): Likewise.
373 (size_of_die): Likewise.
374 (unmark_all_dies): Likewise.
375 (output_abbrev_section): Likewise.
376 (output_die): Likewise.
377 (prune_unused_types_walk_attribs): Likewise.
379 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
381 * doc/install.texi (*-*-solaris2*): Point to the configure page.
383 2006-04-10 Jakub Jelinek <jakub@redhat.com>
386 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
388 2006-04-09 Roger Sayle <roger@eyesopen.com>
390 * expr.c (store_constructor): Don't bother clearing target if
391 we're about to assign a vector to it using vec_init_optab.
393 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
395 * tree-ssa-alias.c (lhs_may_store_to): New function.
396 (recalculate_used_alone): Handle LHS of calls.
398 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
402 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
403 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
404 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
405 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
406 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
407 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
408 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
409 stubs. Add ".align 8" directives before all ".dword" directives.
410 (GTHREAD_USE_WEAK): Revise comment.
411 (TARGET_ATTRIBUTE_WEAK): Define.
412 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
413 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
414 * stublib.c: New file.
419 * pa.md (cbranch patterns): Revise arguments used in calls to
420 output_cbranch, output_bb and output_bvd. Add long branch length
422 (fbranch patterns): Handle long branches.
423 (jump): Revise length check. Revise arguments for output_lbranch call.
424 Add long branch length attributes.
425 (decrement_and_branch_until_zero): Add long branch length attributes.
426 (output_movb, output_parallel_addb and output_parallel_movb patterns):
427 Likewise. Revise arguments for output_parallel_addb and
428 output_parallel_movb calls.
429 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
430 output_parallel_movb and output_parallel_addb): Update prototypes.
431 * pa.c (output_cbranch): Revise arguments. Correct handling of
432 nullification in long branches.
433 (output_lbranch): Add new argument to control extraction of delay
435 (output_bb): Handle long branches.
436 (output_bvb, output_dbra, output_movb, output_parallel_movb,
437 output_parallel_addb): Likewise.
439 2006-04-09 Richard Sandiford <richard@codesourcery.com>
441 PR rtl-optimization/27073
442 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
445 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
447 * tree.h (tree_memory_tag): Add old_used_alone.
448 (SMT_OLD_USED_ALONE): New macro.
449 * tree-ssa-alias.c (recalculate_used_alone): Stop
450 marking things for renaming unnecessarily.
452 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
454 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
455 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
456 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
457 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
458 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
459 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
460 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
461 spelling convensions.
462 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
463 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
464 typos. Follow spelling conventions.
466 2006-04-07 DJ Delorie <dj@redhat.com>
468 * config/m32c/m32c.c (m32c_function_arg): Structures are always
470 (m32c_init_cumulative_args): When a function returns a structure,
471 always pass the pointer to that return area on the stack.
472 (m32c_function_arg_advance): Don't increment the parameter number
473 if we're processing the returned structure pointer.
474 (pushm_info): Reverse order of registers.
476 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
478 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
479 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
480 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
481 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
483 * tree-chrec.c (chrec_fold_multiply_poly_poly,
484 chrec_fold_multiply): Same.
485 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
486 force_expr_to_var_cost): Same.
487 * tree-mudflap.c (mf_xform_derefs_1): Same.
488 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
490 2006-04-07 David Edelsohn <edelsohn@gnu.org>
492 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
493 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
496 2006-04-07 Jan Hubicka <jh@suse.cz>
498 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
500 2006-04-07 Richard Guenther <rguenther@suse.de>
502 PR tree-optimization/26135
503 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
504 loads for store copy-prop.
505 (copy_prop_visit_stmt): Likewise.
507 2006-04-05 Robert Millan <robertmh@gnu.org>
509 * gcc/config/i386/linux.h: Add a comment to mark macros that are
510 being overriden in config/k*bsd-gnu.h.
511 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
513 * gcc/config/knetbsd-gnu.h: Ditto.
515 2006-04-06 Jan Hubicka <jh@suse.cz>
519 * coverage.c (coverage_checksum_string): Reorganize loop to not read
522 2006-04-06 Mike Stump <mrs@apple.com>
524 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
525 for HAVE_nonlocal_goto to be consistent.
526 (expand_builtin_nonlocal_goto): Likewise.
527 (expand_builtin_strcmp): Use #ifdef instead of #if
528 for HAVE_cmpstrnsi to be consistent.
530 2006-04-05 DJ Delorie <dj@redhat.com>
532 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
535 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
537 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
538 got-relative addressing for anything but SImode.
540 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
541 even if the calling function doesn't modify them.
543 2006-04-05 Richard Guenther <rguenther@suse.de>
545 PR tree-optimization/26919
546 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
547 to cgraph_estimate_size_after_inlining.
549 2006-04-05 Alan Modra <amodra@bigpond.net.au>
551 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
553 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
555 PR tree-optimization/26996
556 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
557 VECTOR_TYPE variables.
559 2006-04-05 Richard Guenther <rguenther@suse.de>
561 PR tree-optimization/26763
562 * fold-const.c (fold_comparison): Move folding of
563 PTR + CST CMP PTR + CST ...
564 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
566 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
568 * doc/install.texi (Prerequisites): Refine some wording on
569 bootstrapping and ksh.
570 Move the version numbers of DejaGnu here from the testing section
571 and fix casing of names.
572 Fix markup and clarify wording for autogen requirements.
573 Refer to GCJ instead of just java.
574 Refer to SVN instead of CVS.
575 Describe diffutils as useful instead of necessary.
576 (Downloading the source): Refer to SVN instead of CVS.
577 Adjust a link to our web site accordingly.
578 (Configuration): Fix casing of Bison.
579 (Building): Refer to SVN instead of CVS.
580 Fix a sentence on the use of Bison and remove duplicate (and
581 incorrect) version number of Bison requirement.
582 Remove one redundant list of packages needed for building.
583 (Specific): Avoid reference to CVS.
585 2006-04-04 Eric Christopher <echristo@apple.com>
587 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
588 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
589 (rs6000_handle_struct_attribute): New.
590 (rs6000_ms_bitfield_layout_p): Ditto.
592 2006-04-04 Geoffrey Keating <geoffk@apple.com>
594 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
595 NULL for dso parameter to atexit_common.
597 2006-04-04 Eric Christopher <echristo@apple.com>
599 * config/i386/i386.c (machopic_output_stub): Output \t
600 between instructions and operands.
602 2006-04-04 David Edelsohn <edelsohn@gnu.org>
604 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
605 satisfies_constraint_[IL] to explicit tests on value.
607 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
609 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
610 set_nb_iterations_in_loop): Use build_int_cst instead of
612 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
613 build_int_cst instead of convert.
615 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
617 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
618 new value 2 for incoming.
619 * function.c (expand_function_start): Call struct_value_rtx
621 * config/sparc/sparc.md: Comment updated_return.
622 * config/sparc/sparc.opt: Add -mstd-struct-return option.
623 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
624 struct return if sparc_std_struct_return and incoming is 2.
625 (print_operand): Do not adjust return if
626 sparc_std_struct_return.
628 2006-04-04 Roger Sayle <roger@eyesopen.com>
630 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
631 convert in the middle-end.
632 * expr.c (store_expr, store_constructor, get_inner_reference,
633 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
635 * tree.c (build_range_type): Likewise.
637 2006-04-04 Tom Tromey <tromey@redhat.com>
639 * doc/install.texi (Prerequisites): Mention jar.
641 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
643 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
646 2006-04-04 Matthias Klose <doko@debian.org>
648 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
650 2006-04-03 Geoffrey Keating <geoffk@apple.com>
652 * doc/extend.texi (Function Attributes): Rewrite visibility
653 attribute documentation.
654 * doc/invoke.texi (C++ Dialect Options): Rewrite
655 -fvisibility-inlines-hidden documentation to describe something
656 entirely different, although in practise compatible.
657 (Code Gen Options): Warn about system headers in -fvisibiltity=
660 * doc/extend.texi (Other Builtins): Document that
661 __builtin_nan is a compile-time constant only when its argument
664 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
666 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
667 trying to remove TRUNCATE check if all bits outside the new mode
668 are identical to the sign bit.
670 2006-04-03 Jeff Law <law@redhat.com>
672 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
673 and operand scanning in some common cases.
675 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
676 Dale Johannesen <dalej@apple.com>
679 * regclass.c (struct reg_pref): Update documentation.
680 (regclass): Set prefclass to NO_REGS if memory is the best option.
681 (record_reg_classes): Cope with a prefclass set to NO_REGS.
682 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
683 into account. For non-registers, equate an empty preferred
684 reload class to a `!' in the constraint; move the if clause to
685 do so after those that reject the insn.
686 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
688 (find_dummy_reload): Likewise.
689 * doc/tm.texi (Register Classes): Document what it means
690 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
691 * config/i386/i386.c (ix86_preferred_reload_class): Force
692 using SSE registers (and return NO_REGS for floating-point
693 constants) if math is done with SSE.
694 (ix86_preferred_output_reload_class): New.
695 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
696 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
697 * config/i386/i386.md: Remove # register preferences.
699 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
702 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
703 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
705 (instantiate_parameters_1): Convert the operands before calling
706 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
707 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
709 2006-04-02 Roger Sayle <roger@eyesopen.com>
711 * builtins.c (dummy_object): Use build_int_cst instead of convert.
712 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
714 * dojump.c (do_jump): Likewise.
715 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
716 * gimplify.c (gimple_boolify, gimplify_init_constructor,
717 gimplify_boolean_expr): Likewise.
718 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
719 * varasm.c (array_size_for_constructor): Likewise.
720 * tree-object-size.c (compute_object_offset): Likewise.
722 2006-04-02 Roger Sayle <roger@eyesopen.com>
725 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
726 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
728 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
730 PR tree-optimization/26939
731 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
733 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
735 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
736 at_stmt. Convert the type of operands before calling
737 build_polynomial_chrec.
738 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
740 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
741 (instantiate_parameters_1): Convert the type of operands before calling
742 build_polynomial_chrec.
743 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
744 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
745 reset_evolution_in_loop): Insert asserts to check the types of the
747 (chrec_type): Moved...
748 (eq_evolutions_p): Use operand_equal_p.
749 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
750 the types of the operands.
751 (chrec_type): ...here.
752 * tree-data-ref.c (create_data_ref): Convert the operands before
753 calling chrec_replace_initial_condition.
754 (same_access_functions, analyze_subscript_affine_affine,
755 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
756 (compute_subscript_distance, analyze_ziv_subscript,
757 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
758 analyze_miv_subscript): Convert the operands before calling
759 chrec_fold_minus or chrec_fold_plus.
761 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
763 * tree-data-ref.c (compute_all_dependences): Use a pointer to
764 the dependence_relations vector.
765 (compute_data_dependences_for_loop): Adjust call to
766 compute_all_dependences.
768 2006-04-01 Roger Sayle <roger@eyesopen.com>
769 Richard Henderson <rth@redhat.com>
771 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
772 gimple_boolify on the condition before calling gimplify_expr.
774 2006-03-31 Bob Wilson <bob.wilson@acm.org>
776 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
777 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
778 the frame size. Update to use the new macros.
779 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
780 * config/xtensa/ieee754-df.S: Likewise.
782 2006-03-31 Richard Henderson <rth@redhat.com>
784 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
785 (make_edges): ... here. Control fallthru creation with a local
786 variable. Do not play with fake edges.
787 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
788 (make_goto_expr_edges): Don't play with fake edges. Make for_call
791 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
793 * dwarf2.h (DW64_CIE_ID): Define.
794 * dwarf2out.c (DWARF_CIE_ID): Define.
795 (output_call_frame_info): Output 0xffffffff before standard 8-byte
796 length header. Use DWARF_CIE_ID.
797 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
798 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
800 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
802 * config/sh/linux-atomic.asm: New file.
803 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
805 2006-03-31 DJ Delorie <dj@redhat.com>
807 * config/m32c/cond.md: Set condition flags properly throughout.
808 * config/m32c/minmax.md: Likewise.
809 * config/m32c/prologue.md: Likewise.
810 * config/m32c/bitops.md: Likewise.
811 * config/m32c/muldiv.md: Likewise.
812 * config/m32c/mov.md: Likewise.
813 * config/m32c/addsub.md: Likewise.
814 * config/m32c/m32c.md: Likewise.
815 * config/m32c/jump.md: Likewise.
816 * config/m32c/shift.md: Likewise.
818 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
819 conditionally output the pattern for this.
820 * config/m32c/m32c.c (flags_needed_for_conditional): New.
821 (m32c_compare_redundant): New.
822 (m32c_output_compare): New.
823 * config/m32c/m32c-protos.h (m32c_output_compare): New.
825 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
826 dest, not src. Allow other 4-byte modes.
828 2006-03-30 Denis Chertykov <denisc@overta.ru>
830 * doc/md.texi: Refer to avr/constraints.md instead of
833 2006-03-30 Roger Sayle <roger@eyesopen.com>
835 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
836 signed vs. unsigned comparison failures on some hosts.
838 2006-03-31 Alan Modra <amodra@bigpond.net.au>
841 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
842 change to FLOAT_REGS.
844 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
845 (rs6000_override_options): Use it.
846 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
847 only for -mabi=spe/no-spe and -mabi=altivec.
849 2006-03-30 Geoffrey Keating <geoffk@apple.com>
851 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
854 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
856 * Makefile.in: Rename docdir to gcc_docdir.
858 2006-03-30 Roger Sayle <roger@eyesopen.com>
861 * expr.c (emit_group_store): Optimize group stores into a pseudo
862 register by using a paradoxical subreg to initialize the destination
863 if the first or last member of the group specifies a "low part".
865 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
868 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
869 * target.h (struct gcc_target.speculate_insn): Change type of the
870 second parameter to 'int'.
871 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
872 the second operand of the DEPS_LIST.
873 (copy_DEPS_LIST_list): Update reference to the second operand of the
875 * rtl.h (alloc_DEPS_LIST): Update signature.
876 * sched-int.h (ds_t): Change typedef to 'int'.
877 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
879 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
881 * haifa-sched.c (try_ready): Change condition to restore
882 non-speculative pattern of the instruction.
883 (process_insn_depend_be_in_spec): Code to keep probability of the
884 speculative dependence non-decreasing.
886 2006-03-30 Jie Zhang <jie.zhang@analog.com>
888 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
889 (single_move_for_movmem): ... this. Also change all uses.
890 (bfin_expand_strmov): Renamed to...
891 (bfin_expand_movmem): ... this. Also change all uses.
892 * config/bfin/bfin.md (movstrsi): Renamed to...
895 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
897 PR tree-optimization/26830
899 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
900 (copy_prop_visit_stmt): Remove write-only variable ann.
901 (init_copy_prop): Check variable loop depth here. Do not simulate
902 memory-tag and virtual operand PHIs except for store copy prop.
904 2006-03-30 Richard Guenther <rguenther@suse.de>
906 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
907 variants with double arguments.
909 2006-03-29 David Edelsohn <edelsohn@gnu.org>
911 * genpreds.c (write_tm_constrs_h): Delete variable p.
912 * genconditions.c (write_header): Add tm-constrs.h to included
914 * genpeep.c (main): Add toplev.h to included headers.
915 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
916 (build/genpeep.o): Add toplev.h dependency.
917 * config/rs6000/constraints.md: Add "W" constraint.
919 2006-03-29 Roger Sayle <roger@eyesopen.com>
921 * stor-layout.c (mode_for_size_tree): Remove restiction on type
922 sizes by correctly testing whether the size fits a host integer.
923 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
924 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
925 SImode range for the default sizetype and bitsizetype.
927 2006-03-29 Roger Sayle <roger@eyesopen.com>
929 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
930 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
931 quickly if the argument is already of the correct type.
932 Call fold_build1 instead of build1. Tidy up blank lines.
934 2006-03-29 David Edelsohn <edelsohn@gnu.org>
936 * genemit.c (main): Add tm-constrs.h to included headers.
937 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
938 * genpeep.c (main): Add tm-constrs.h to included headers.
939 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
940 (write_tm_constrs_h): this and write complete file.
941 (write_tm_preds_h): Do not emit satisfies_constraint fns.
942 (write_insn_preds_c): Add tm-constrs.h to included headers.
943 (gen_constrs): New variable.
944 (parse_option): Parse "-c".
945 (main): Invoke write_tm_constrs_h.
946 * genrecog.c (write_header): Add tm-constrs.h to included headers.
947 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
948 (object_out_file): Add tm-constrs.h dependency.
950 (insn-output.o): Same.
952 (insn-preds.o): Same.
953 (insn-recog.o): Same.
954 (tm-constsr.h): New target.
955 (s-constrs-h): New target.
957 * config/rs6000/constraints.md: New file.
958 * config/rs6000/rs6000.c: Include tm-constrs.h.
959 (num_insn_constant_wide): Convert to satisfies_constraint.
960 (rs6000_rtx_costs): Convert to satisfies_constraint.
961 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
962 (CONST_OK_FOR_LETTER_P): Delete.
963 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
964 (EXTRA_CONSTRAINT): Delete.
965 (EXTRA_MEMORY_CONSTRAINT): Delete.
966 (EXTRA_ADDRESS_CONSTRAINT): Delete.
967 * config/rs6000/predicates.md: Convert to satisfies_constraint.
968 * config/rs6000/rs6000.md: Include constraints.md. Convert to
969 satisfies_constraint.
971 * config/i386/i386.c: Include tm-constrs.h.
973 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
975 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
976 * tree-data-ref.c (find_data_references_in_loop,
977 compute_data_dependences_for_loop): Use pointers to VEC.
978 (analyze_all_data_dependences): Adjust calls.
979 * tree-data-ref.h (find_data_references_in_loop,
980 compute_data_dependences_for_loop): Adjust declarations.
981 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
982 compute_data_dependences_for_loop.
984 2006-03-29 Paul Brook <paul@codesourcery.com>
986 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
989 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
991 PR tree-optimization/26859
992 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
994 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
995 for the step after fold_convert.
997 2006-03-29 Paul Brook <paul@codesourcery.com>
999 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1000 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1002 2006-03-29 Paul Brook <paul@codesourcery.com>
1005 * targhooks.c (default_narrow_bitfield): New fuction.
1006 * targhooks.h (default_narrow_bitfield): add prototype.
1007 * target.h (gcc_target): Add narrow_volatile_bitfield.
1008 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1009 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1010 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1011 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1013 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1015 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1017 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1018 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1019 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1020 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1021 (s390_function_arg_float): Allow SDmode and DDmode values to be
1022 passed in floating point registers.
1023 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1024 check with SCALAR_FLOAT_MODE_P.
1025 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1027 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1029 PR tree-optimization/25985
1030 * tree-ssa-loop-niter.c (number_of_iterations_le,
1031 number_of_iterations_ne): Make comments more precise.
1032 (number_of_iterations_cond): Add only_exit argument. Use the
1033 fact that signed variables do not overflow only when only_exit
1035 (loop_only_exit_p): New.
1036 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1037 number_of_iterations_cond.
1039 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1041 PR tree-optimization/26643
1042 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1045 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1047 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1048 (divsi3_i4_int): Likewise.
1050 2006-03-28 Roger Sayle <roger@eyesopen.com>
1052 * expr.c (emit_group_store): Only create a new pseudo reg if the
1053 quantity it needs to hold isn't already a suitable pseudo.
1055 2006-03-28 Jeff Law <law@redhat.com>
1057 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1058 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1060 2006-03-28 Roger Sayle <roger@eyesopen.com>
1062 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1063 the equivalent ~X & Y, and the symmetry related transformations.
1064 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1065 ~X & Y, and symmetry related transforms.
1067 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1069 Revert my 2006-03-27 patches.
1071 2006-03-28 Roger Sayle <roger@eyesopen.com>
1073 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1074 ~(T1)X, when T1 and T2 are integer types of the same precision
1075 and (T2)X isn't an extension.
1077 2006-03-28 Jeff Law <law@redhat.com>
1079 PR tree-optimization/26796
1080 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1081 need EH edge cleanups rather than purging them immediately.
1082 (eliminate_degenerate_phis): Handle queued EH cleanups.
1084 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1086 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1089 2006-03-27 Roger Sayle <roger@eyesopen.com>
1092 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1093 cast BIT_NOT_EXPR operand to the correct type.
1095 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1097 * tree-loop-linear.c: Don't include varray.h.
1098 (gather_interchange_stats, try_interchange_loops,
1099 linear_transform_loops): Use VEC instead of VARRAY.
1100 * lambda-mat.c: Don't include varray.h.
1101 * tree-chrec.c: Same.
1102 * lambda-trans.c: Same.
1103 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1104 VEC instead of VARRAY.
1105 * tree-vectorizer.h: Idem.
1106 * tree-data-ref.c (dump_data_references,
1107 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1108 initialize_data_dependence_relation, finalize_ddr_dependent,
1109 compute_all_dependences, find_data_references_in_loop,
1110 compute_data_dependences_for_loop, analyze_all_data_dependences,
1111 free_dependence_relation, free_dependence_relations,
1112 free_data_refs): Idem.
1113 * tree-data-ref.h (data_reference_p, subscript_p): New.
1114 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1115 VEC instead of VARRAY.
1116 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1117 (find_data_references_in_loop, compute_data_dependences_for_loop,
1118 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1119 dump_data_dependence_relations, free_dependence_relations,
1120 free_data_refs): Adjust declaration.
1121 (lambda_transform_legal_p): Move declaration here...
1122 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1123 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1124 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1125 vect_analyze_data_refs): Use VEC instead of VARRAY.
1126 * lambda.h (lambda_transform_legal_p): ...from here.
1127 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1128 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1129 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1130 tree-chrec.o): Don't depend on VARRAY_H.
1132 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1134 * rtl.def (Copyright): Update date.
1135 (DEPS_LIST): Change type of the second operand to 'int'.
1136 * target.h (Copyright): Update date.
1137 (struct gcc_target.speculate_insn): Change type of the second parameter
1139 * lists.c (Copyright): Update date.
1140 (alloc_DEPS_LIST): Change signature. Update reference to the second
1141 operand of the DEPS_LIST.
1142 (copy_DEPS_LIST_list): Update reference to the second operand of the
1144 * rtl.h (Copyright): Update date.
1145 (alloc_DEPS_LIST): Update signature.
1146 * sched-int.h (Copyright): Update date.
1147 (ds_t): Change typedef to 'int'.
1148 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1150 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1152 * haifa-sched.c (Copyright): Update date.
1153 (try_ready): Change condition to restore non-speculative pattern
1155 (process_insn_depend_be_in_spec): Code to keep probability of the
1156 speculative dependence non-decreasing.
1158 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
1160 * regrename.c (replace_oldest_value_addr): Initialize a variable to
1161 shut up the compiler.
1163 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
1165 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
1166 to use lib prefix for target.
1167 ($(T)libic_invalidate_array_4-200.a): Likewise.
1168 ($(T)libic_invalidate_array_4a.a): Likewise.
1170 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
1171 J"orn Rennecke <joern.rennecke@st.com>
1173 * superh.opt: New file.
1174 * sh.c (boardtype, osruntime): Remove.
1175 * superh.h (SUBTARGET_OPTIONS): Remove.
1176 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
1178 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
1179 arguments with ^ and/or [].
1181 * config.gcc (sh-*-*): Add quoting to account for quirk of
1183 Replace == with = in enable_incomplete_targets test.
1185 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
1186 with MASK_LITTLE_ENDIAN.
1188 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
1189 * config/sh/sh.opt: Added to some comments.
1190 * config/sh/superh.h: Removed some chaff.
1192 * config/sh/sh.opt: Add m4-[1234]00* options.
1193 * config/sh/sh.c (sh_handle_option): Likewise.
1194 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
1195 (ic_invalidate_array_4-100.o): New rule.
1196 ($(T)libic_invalidate_array_4-100.a): Likewise.
1197 (ic_invalidate_array_4-200.o): Likewise.
1198 ($(T)libic_invalidate_array_4-200.a): Likewise.
1199 (ic_invalidate_array_4a.o): Likewise.
1200 ($(T)libic_invalidate_array_4a.a): Likewise.
1201 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
1202 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
1204 * config/sh/crt1.asm: Merged in profiling code.
1205 * config/sh/superh.h (STARTFILE_SPEC): Override.
1206 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
1207 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
1208 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1210 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
1211 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
1212 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
1214 * sh.opt (mpretend-cmove): New option.
1215 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
1216 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
1217 (movsicc): Add TARGET_PRETEND_CMOVE code.
1219 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
1221 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
1222 s390_class_max_nregs): New function prototypes.
1223 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
1224 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
1225 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1226 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
1228 2006-03-26 Geoffrey Keating <geoffk@apple.com>
1230 * dwarf2out.c (add_location_or_const_value_attribute): Call
1231 tree_add_const_value_attribute if nothing else works.
1232 (reference_to_unused): New.
1233 (rtl_for_decl_init): Use reference_to_unused to decide whether
1234 to output an initializer.
1236 2006-03-27 Alan Modra <amodra@bigpond.net.au>
1239 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
1240 peephole removing spe frob_di_df_2.
1242 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
1244 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
1245 (subscript_dependence_tester_1): Declared.
1246 (print_dir_vectors, print_dist_vectors): New.
1247 (debug_data_dependence_relation): New.
1248 (dump_data_dependence_relation): Print more details.
1249 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
1250 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
1251 (save_dist_v, save_dir_v, add_outer_distances,
1252 build_classic_dist_vector_1): New.
1253 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
1254 Don't test for lambda_vector_lexico_pos.
1255 (same_access_functions, add_multivariate_self_dist,
1256 add_other_self_distances, dir_from_dist): New.
1257 (build_classic_dir_vector): Replace implementation almost identical to
1258 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
1260 (subscript_dependence_tester_1): New.
1261 (subscript_dependence_tester): Handle the lexicographically negative
1262 distance vectors by recomputing the dependence relation.
1263 (compute_affine_dependence): Remove parameter loop_nest_depth.
1264 (compute_self_dependence): Don't call compute_subscript_distance.
1265 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
1266 Add a parameter for the loop_nest.
1267 (find_loop_nest_1, find_loop_nest): New.
1268 (compute_data_dependences_for_loop): Compute the loop nest, and give
1269 up if the nest is not well formed.
1270 * tree-data-ref.h (loop_p): New.
1271 (struct data_dependence_relation): Replace size_vect field with
1272 loop_nest, a vec of loops.
1273 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
1274 (DDR_LOOP_NEST): New.
1275 (print_dir_vectors, print_dist_vectors,
1276 debug_data_dependence_relation): Declared.
1277 (index_in_loop_nest): New.
1278 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
1279 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
1282 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
1284 * simplify-rtx.c (simplify_relational_operation): Call
1285 simplify_relational_operation_1 even if mode is VOIDmode.
1287 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
1289 PR tree-optimization/26804
1290 * tree.h (DECL_CALL_CLOBBERED): New macro.
1291 (tree_decl_common): Add call_clobbered_flag.
1292 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
1293 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
1294 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
1295 (mark_non_addressable): Ditto.
1296 * tree-ssa.c (verify_call_clobbered): New function.
1297 (verify_alias_info): Use it.
1298 * tree-pass.h (pass_reset_cc_flags): New prototype.
1299 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
1300 (reset_cc_flags): New function.
1301 * passes.c (init_optimization_passes): Call reset_cc_flags after
1302 initializing referenced_vars.
1304 2006-03-25 Uros Bizjak <uros@kss-loka.si>
1305 Roger Sayle <roger@eyesopen.com>
1308 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
1309 to 1.0 for non-real operands. Implement A / A optimization for
1312 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
1314 * config/i386/i386.c (size_cost): Correct the comment for
1315 cost of storing fp registers.
1316 (i386_cost): Likewise.
1317 (i486_cost): Likewise.
1318 (pentium_cost): Likewise.
1319 (pentiumpro_cost): Likewise.
1320 (k6_cost): Likewise.
1321 (athlon_cost): Likewise.
1322 (k8_cost): Likewise.
1323 (pentium4_cost): Likewise.
1324 (nocona_cost): Likewise.
1325 (generic64_cost): Likewise.
1326 (generic32_cost): Likewise.
1328 2006-03-24 Denis Chertykov <denisc@overta.ru>
1330 * config/avr/avr-protos.h (extra_constraint): Delete.
1331 (extra_constraint_Q): New declaration.
1332 * config/avr/constraints.md: New file.
1333 * config/avr/avr.md: Include it.
1334 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1335 (TMP_REGNO, ZERO_REGNO): Likewise.
1336 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1337 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1338 (extra_constraint): Delete.
1339 (extra_constraint_Q): Test for memory constraint 'Q'.
1340 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1341 (REG_CLASS_FROM_LETTER): Delete.
1342 (CONST_OK_FOR_LETTER_P): Delete.
1343 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1344 (EXTRA_CONSTRAINT): Delete.
1345 (TMP_REGNO): Delete.
1346 (ZERO_REGNO): Delete.
1348 2006-03-24 Jeff Law <law@redhat.com>
1350 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1351 directly. Call mark_new_vars_to_rename slightly earlier.
1353 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1355 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1357 (gen_compile_unit_die): Use new language types for Objective-C and
1359 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1360 DW_LANG_C_plus_plus.
1363 * config/t-darwin (crt3.o): Work around bug 26840.
1364 * config/darwin-crt3.c: Rewrite.
1365 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1367 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1369 * doc/invoke.texi: Document -femit-class-debug-always
1370 * common.opt: Add -femit-class-debug-always.
1372 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1374 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1375 index and base register.
1376 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1377 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1378 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1379 REGNO_OK_FOR_INDEX_P.
1380 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1382 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1383 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1384 REG_OK_FOR_BASE_P): Definitions removed.
1386 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1389 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1390 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1391 set yet or weren't marked as local yet.
1393 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1395 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1398 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1400 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1401 (rs6000_legitimate_small_data_p): Delete.
1402 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1403 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1404 and make static. Add forward declaration. Update uses.
1405 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1406 of offsettable_memref_p.
1407 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1408 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1410 2006-03-24 Jeff Law <law@redhat.com>
1412 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1413 around bug in immediate-use iterator.
1415 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1418 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1419 or __LITTLE_ENDIAN__.
1421 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1423 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1424 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1425 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1426 * config/sh/sh.opt (mdiv=): Amend description.
1427 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1428 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1429 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1430 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1431 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1432 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
1433 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
1434 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
1435 TARGET_DIVIDE_CALL_FP.
1437 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1439 * haifa-sched.c (choose_ready): Fix type of the local variable.
1440 Move local variables. Add comment.
1441 (check_reg_live): Change signature. Make callable from debugger.
1442 * sched-int.h (check_reg_live): Update signature.
1443 * sched-ebb.c (check_reg_live): Update parameters.
1444 * sched-rgn.c (check_reg_live): Ditto.
1445 (region_head_or_leaf_p): Check pointer before dereferencing.
1446 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1447 before reload on optimization levels below 1.
1449 2006-03-23 Richard Henderson <rth@redhat.com>
1451 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1455 * config/alpha/predicates.md (local_symbolic_operand): Reject
1458 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1461 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1462 expressions which have overflowed constants.
1464 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1466 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1468 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1470 * cfgloopmanip.c (create_loop_notes): Removed.
1471 * final.c (final_scan_insn): Do not handle loop notes.
1472 * jump.c (squeeze_notes): Ditto.
1473 * cfglayout.c (skip_insns_after_block,
1474 duplicate_insn_chain): Ditto.
1475 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1477 * cfgloop.h (create_loop_notes): Declaration removed.
1479 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1481 * varasm.c (output_constant_pool): Restore fnname and fndecl
1483 (assemble_start_function): Adjust call accordingly.
1484 (assemble_end_function): Likewise.
1486 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1489 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1492 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1494 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1497 * system.h (ICE_EXIT_CODE): New macro.
1498 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1499 (diagnostic_action_after_output): Likewise.
1500 * gcc.c (fatal_ice): New function.
1501 (execute): Use it instead of fatal.
1502 (fancy_abort): Likewise.
1503 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1505 2006-03-22 Jeff Law <law@redhat.com>
1507 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1508 iv_analyze_result returning false.
1510 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1512 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1514 2006-03-22 Richard Henderson <rth@redhat.com>
1517 * except.c (duplicate_eh_regions_0): New.
1518 (duplicate_eh_region_1): Duplicate the children of the node as
1519 well as the node itself. Link them up properly.
1520 (duplicate_eh_region_2): Merge into ...
1521 (duplicate_eh_regions): ... here. Take copy_region argument, and
1522 copy only a sub-tree if asked. Simplify copying and fixup.
1523 (eh_region_outer_p): New.
1524 * except.h (duplicate_eh_regions): Update decl.
1525 (eh_region_outer_p): Declare.
1526 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1527 (lower_omp_master): Likewise.
1528 (lower_omp_ordered): Likewise.
1529 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1530 (move_stmt_r): Use it to remap labels. Handle recursion vs
1531 remap_decls_p properly.
1532 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1533 (find_outermost_region_in_block): New.
1534 (new_label_mapper): New.
1535 (move_sese_region_to_fn): Copy eh information to the new function
1537 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1539 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1542 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1544 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1545 into shared libraries.
1547 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1549 * doc/md.texi: Refer to i386/constraints.md instead of
1551 * config/i386/constraints.md: New file, extracted from...
1552 * config/i386/predicates.md: ...here.
1553 * config/i386/i386.md: Include constraints.md.
1555 2006-03-21 Jason Merrill <jason@redhat.com>
1557 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1560 * expr.c (init_block_move_fn): Force default visibility.
1561 (init_block_clear_fn): Likewise.
1562 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1563 * targhooks.c (default_external_stack_protect_fail): Likewise.
1565 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1567 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1568 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1569 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1570 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1571 (loadgp): Use mips_current_loadgp_style.
1572 (loadgp_noshared): New pattern.
1573 (sibcall_internal): Use MIPS_CALL.
1574 (sibcall_value_internal): Likewise.
1575 (sibcall_value_multiple_internal): Likewise.
1576 (call_internal): Likewise.
1577 (call_value_internal): Likewise.
1578 (call_value_multiple_internal): Likewise.
1579 (call_split): Use MIPS_CALL and add an 'S' constraint.
1580 (call_value_split): Likewise.
1581 (call_value_multiple_split): Likewise.
1582 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1583 (-mshared): New option.
1584 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1585 (mips_current_loadgp_style): Declare.
1586 * config/mips/mips.c (mips_classify_symbol): Avoid using
1587 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1588 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1589 TARGET_ABSOLUTE_ABICALLS.
1590 (override_options): Adjust comments. Improve the warning that is
1591 issued when -mabicalls and -G are used together.
1592 (mips_file_start): Remove comment.
1593 (mips_current_loadgp_style): New function.
1594 (mips_gnu_local_gp): New variable.
1595 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1597 (mips_output_function_prologue): Use mips_current_laodgp_style.
1598 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1599 the cprestore instruction.
1600 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1601 live for TARGET_ABSOLUTE_ABICALLS.
1602 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1603 (ASM_SPEC): Pass down -mshared and -mno-shared.
1604 (MIPS_CALL): New macro.
1605 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1607 * doc/invoke.texi (-mabicalls): Update documentation.
1608 (-mshared): Document.
1610 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1612 * config/ia64/unwind-hpux.c: New file.
1613 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1615 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1618 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1620 2006-03-21 Jeff Law <law@redhat.com>
1622 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1623 type conversions of a VR_VARYING source to a wider type.
1625 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1627 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1628 tm_file on Solaris 10 and later.
1629 (sparc64-*-solaris2*): Likewise.
1630 (sparc-*-solaris2*): Likewise.
1631 * config/sol26.h: Rename to config/sol2-6.h.
1632 * config/sol2-10.h: New file.
1634 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1637 * tree-ssa-pre.c (create_component_ref_by_pieces):
1640 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1643 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1644 return it immediately.
1646 2006-03-21 Michael Matz <matz@suse.de>
1648 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1650 (remove_arc, add_arc): Update num_out_arcs member.
1651 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1653 (cache_presence): New function.
1654 (compare_states_for_equiv): New function.
1655 (state_is_differed): Don't take number of outargs, adjust callers.
1656 Use new invariant for speeding up.
1657 (init_equiv_class): Create initial classes based on sorted
1659 (partition_equiv_class): Don't track out_arcs_num.
1660 (evaluate_equiv_classes): Call cache_presence on all states and
1663 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1665 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1666 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1667 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1668 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1670 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1671 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1672 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1673 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1674 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1676 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1677 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1678 (REGNO_REG_CLASS): ARGP is in PREGS.
1679 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1681 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1682 to deal with those addresses.
1683 * addresses.h: New file.
1684 * caller-save.c: Include "addresses.h".
1685 (init_caller_save): Use new base_reg_class function.
1686 * rtl-factoring.c: Include "addresses.h".
1687 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1688 * recog.c: Include "addresses.h".
1689 (preprocess_constraints): Use new base_reg_class function.
1690 * regrename.c: Include "addresses.h".
1691 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1692 functions. Keep track of a new var INDEX_CODE to compute valid
1694 (replace_oldest_value_addr): Likewise.
1695 (replace_oldest_value_mem): Use base_reg_class.
1696 * reload.c: Include "addresses.h".
1697 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1698 (find_reloads): Use new base_reg_class function.
1699 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1700 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1701 all callers and prototype changed.
1702 * reload1.c: Include "addresses.h".
1703 (maybe_fix_stack_asms): Use base_reg_class.
1704 * regclass.c: Include "addresses.h".
1705 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1706 (init_reg_autoinc): Use new base_reg_class function.
1707 (record_reg_classes): Likewise.
1708 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1709 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1710 Use new args to compute necessary class.
1712 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1713 regrename.o, rtl-factoring.o): Update dependencies.
1714 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1715 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1716 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1717 REG_OK_FOR_INDEX_P): Delete documentation.
1719 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1721 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1722 from V7 to V9 for Solaris 7 and above.
1724 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1726 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1727 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1728 argument pointers may not alias any other storage.
1729 * common.opt: Define option -fargument-noalias-anything.
1730 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1731 alias semantics is specified by flag_argument_noalias > 2.
1733 2006-03-20 Jeff Law <law@redhat.com>
1735 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1736 (pass_phi_only_cprop): Declare.
1737 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1739 * tree-ssa-dom.c (degenerate_phi_result): New function.
1740 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1741 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1742 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1743 (eliminate_degenerate_phis): Likewise.
1744 (pass_phi_only_cprop): New pass descriptor.
1745 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1746 support code. Callers updated.
1747 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1748 (store_copy_prop): Likewise.
1749 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1751 2006-03-20 Jason Merrill <jason@redhat.com>
1754 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1755 (push_visibility, pop_visibility): Likewise.
1756 * c-pragma.h: Declare them.
1758 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1760 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1762 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1763 parameter and use get_ebb_head_tail.
1764 (sh_md_init_global): Adjust uses of find_regmode_weight.
1766 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1768 * function.h (struct function) <x_tail_recursion_reentry>:
1769 Rename to x_stack_check_probe_note.
1770 (tail_recursion_reentry): Rename to stack_check_probe_note.
1771 * function.c: Replace tail_recursion_reentry with
1772 stack_check_probe_note everywhere.
1773 (expand_function_start): Only emit a note for
1774 stack_check_probe_note with -fstack-protect.
1775 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1777 * emit-rtl.c (remove_unnecessary_notes): Remove.
1778 (pass_remove_unnecessary_notes): Remove.
1779 * rtl.h (remove_unnecessary_notes): Remove prototype.
1780 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1781 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1782 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1784 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1787 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1788 (valid_in_set): Handle ARRAY_REF.
1789 Change "if min_variant or VH" to asserts.
1790 (create_component_ref_by_pieces): Handle ARRAY_REF.
1791 (create_expression_by_pieces): Likewise.
1792 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1794 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1796 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1797 is operand of switch, not str[0].
1799 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1801 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1802 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1804 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1806 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1807 end of insn_extra_address_constraint declaration.
1809 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1811 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1812 (no-sum-in-toc): Same.
1813 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1815 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1816 NO_FP_IN_TOC for -fPIC instead of mask.
1818 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1819 (BOOT_LDFLAGS): Delete.
1821 * config/rs6000/t-aix52: Same.
1823 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1824 (stmsi[345678]_power): New.
1826 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1828 * config/ia64/ia64.opt: Add empty line to end of file.
1830 2006-03-17 Richard Guenther <rguenther@suse.de>
1833 * builtins.c (get_pointer_alignment): For component style references
1834 adjust alignment to the component type alignment. Make sure
1835 to adjust alignment for component access of constants.
1837 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1839 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1842 2006-03-17 Paul Brook <paul@codesourcery.com>
1844 * doc/install.texi: Docuemnt --with-mode.
1845 * config.gcc: Add --with-mode for arm*-*-*.
1846 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1848 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1850 * sh.c (max_labelno_before_reorg): New variable.
1851 (sh_reorg): Initialize it.
1852 (find_barrier): Check max_labelno_before_reorg before using
1853 label_to_alignment. Take length of explicit alignment insns
1854 into account. When seeing a UNSPECV_CONST_END, return it.
1856 * sh.c (fixup_mova): Set mode of affected label to QImode.
1857 (untangle_mova): New function.
1858 (find_barrier): Use it. Check mode of label before decrementing
1860 (sh_reorg): Likewise.
1861 Set mode of all insns back to VOIDmode.
1863 * sh.c (MOVA_LABELREF): New macro.
1864 (mova_p, fixup_mova, sh_reorg): Use it.
1865 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1866 ADDR_DIFF_VEC matches mova.
1868 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1870 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1871 with ATTRIBUTE_UNUSED.
1873 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1875 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1876 pointer, instead of assuming it is possible to derive the
1877 correct args size from a call insn.
1879 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1881 * rtl.h (CONST_INT_P): Define.
1882 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1883 instead of GET_CODE(x) == CONST_INT.
1884 (vax_rtx_costs): Likewise.
1885 (vax_output_int_move): Likewise.
1886 (vax_output_int_add): Likewise.
1887 (legitimate_constant_address_p): Likewise.
1888 (index_term_p): Likewise.
1889 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1890 * config/vax/vax.md (and<mode>3): Likewise.
1891 (ashrsi3): Likewise.
1893 (movstricthi): Likewise.
1894 (movstrictqi): Likewise.
1895 (rotrsi3): Likewise.
1896 (five unnamed insns): Likewise.
1898 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1900 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1901 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1902 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1903 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1904 Pass to ASM_OUTPUT_DWARF_OFFSET.
1905 * dwarf2out.c (debug_frame_section): New.
1906 (output_call_frame_info): Use debug_frame_section. Pass it to
1907 dw2_asm_output_offset.
1908 (output_die): Pass appropriate section to dw2_asm_output_offset.
1909 (output_compilation_unit_header): Likewise.
1910 (output_pubnames): Likewise.
1911 (output_aranges): Likewise.
1912 (enum dw_val_class): Break dw_val_class_lbl_offset into
1913 dw_val_class_lineptr and dw_val_class_macptr.
1914 (add_AT_lbl_offset): Delete.
1915 (add_AT_lineptr): New.
1916 (add_AT_macptr): New.
1917 (AT_lbl): Expect a lineptr or macptr.
1918 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1919 (attr_checksum): Likewise.
1920 (same_dw_val_p): Likewise.
1921 (size_of_die): Likewise.
1922 (value_format): Likewise.
1923 (output_die): Likewise.
1924 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1926 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1927 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1928 * config/darwin-protos.h (darwin_file_start): New.
1929 (darwin_asm_output_dwarf_offset): New.
1930 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1931 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1933 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1934 if not EH section; simplify.
1935 (darwin_file_start): New.
1936 (darwin_asm_output_dwarf_offset): New.
1937 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1939 (DEBUG_INFO_SECTION): Likewise.
1940 (DEBUG_ABBREV_SECTION): Likewise.
1941 (DEBUG_ARANGES_SECTION): Likewise.
1942 (DEBUG_MACINFO_SECTION): Likewise.
1943 (DEBUG_LINE_SECTION): Likewise.
1944 (DEBUG_LOC_SECTION): Likewise.
1945 (DEBUG_PUBNAMES_SECTION): Likewise.
1946 (DEBUG_STR_SECTION): Likewise.
1947 (DEBUG_RANGES_SECTION): Likewise.
1948 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1949 (ASM_OUTPUT_DWARF_OFFSET): New.
1951 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1953 * config.gcc (tm_defines): Always add to previous value rather
1956 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1958 * config/mips/predicates.md (splittable_const_int_operand): New,
1959 split from move_operand.
1960 (splittable_symbolic_operand): New.
1961 (move_operand): Add commentary. Use splittable_const_int_operand.
1962 Inline mips_atomic_symbolic_constant_p.
1963 * config/mips/mips.md: Add combine splitters for handling moves
1964 of splittable_const_int_operands and splittable_symbolic_operands.
1965 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1966 (mips_split_symbol): Declare.
1967 (mips_move_integer): Declare.
1968 * config/mips/mips.c (mips_split_p): Make global.
1969 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1970 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1971 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1972 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1973 (mips_offset_within_object_p): Handle block symbols.
1974 (mips_atomic_symbolic_constant_p): Delete.
1975 (mips_cannot_force_const_mem): Return false for constants that
1976 mips_legitimize_move can handle.
1977 (mips_use_blocks_for_constant_p): New function.
1978 (mips_split_symbol): Make global.
1979 (mips_move_integer): Likewise. Add a temporary register argument.
1980 (mips_legitimize_const_move): Use splittable_const_int_operand and
1981 splittable_symbolic_operand.
1982 (mips_use_anchors_for_symbol_p): New function.
1983 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1984 (mips_split_p): Declare.
1986 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1988 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1989 (mips*-*-linux*): Likewise.
1991 2006-03-16 Roger Sayle <roger@eyesopen.com>
1992 Daniel Speyer <dspeyer@wam.umd.edu>
1995 * tree-dump.c (dump_real): New function.
1996 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1997 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1998 (tree-dump.o): Add $(REAL_H) to the dependencies.
2000 2006-03-16 Roger Sayle <roger@eyesopen.com>
2003 * real.c (real_from_string): If the mantissa is zero, don't bother
2004 parsing the exponent as the result should always be zero.
2006 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2008 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2010 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2012 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2013 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2014 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2015 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2016 ia64_sched_finish_global): New static functions to implement
2017 hooks from gcc_target.sched.
2018 (spec_check_no, max_uid, pending_data_specs): New static variables.
2019 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2020 ia64_spec_check_src_p): New static functions.
2021 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2022 (TARGET_SCHED_ADJUST_COST): Removed.
2023 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2024 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2025 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2026 TARGET_SCHED_GEN_CHECK,
2027 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2028 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2029 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2030 Fixed to handle speculation checks.
2031 (rtx_needs_barrier): Fixed to handle speculative loads and
2033 (ia64_variable_issue): Added code to count speculative loads and their
2035 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2037 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2039 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2041 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2042 (ia64_reorg): Reset stops_p to NULL after it is freed.
2043 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2044 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2045 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2047 (data_speculative, control_speculative, check_load): New attributes.
2048 (mov<mode>_advanced, mov<mode>_speculative,
2049 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2050 zero_extend<mode>di2_speculative,
2051 zero_extend<mode>di2_speculative_advanced): New patterns for
2052 data and control speculative loads.
2053 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2055 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2056 New pattern for data and control speculation checks.
2057 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2058 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2059 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2060 Auxiliary definitions for the patterns.
2061 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2062 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2064 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2066 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2067 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2068 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2069 New resource constraints.
2070 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2072 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2073 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2074 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2075 msched-in-control-spec, msched-ldc, msched-control-ldc,
2076 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2077 msched-prefer-non-control-spec-insns,
2078 msched-count-spec-in-critical-path): New flags to tune speculative
2080 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2081 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2082 msched-in-control-spec, msched-ldc, msched-control-ldc,
2083 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2084 msched-prefer-non-control-spec-insns,
2085 msched-count-spec-in-critical-path): Document new flags.
2087 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2089 * target.h (struct spec_info_def): New opaque declaration.
2090 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2091 speculate_insn, needs_block_p, gen_check,
2092 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2093 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2094 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2095 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2096 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2097 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2099 (TARGET_SCHED): Use new macros.
2100 * rtl.h (copy_DEPS_LIST_list): New prototype.
2101 * sched-int.h (struct sched_info): Change signature of new_ready field,
2102 adjust all initializations. New fields: add_remove_insn,
2103 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2104 region_head_or_leaf_p.
2105 (struct spec_info_def): New structure declaration.
2106 (spec_info_t): New typedef.
2107 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2108 recovery_block, orig_pat.
2109 (glat_start, glat_end): New variables declaraions.
2110 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2112 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2113 DETACH_LIFE_INFO, USE_GLAT.
2114 (enum SPEC_SCHED_FLAGS): New enumeration.
2115 (NOTE_NOTE_BB_P): New macro.
2116 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2117 attach_life_info, debug_spec_status, check_reg_live): New functions.
2118 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2119 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2121 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2122 * ddg.c (get_block_head_tail): Adjust all uses.
2123 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2124 (sms_sched_info): Initialize new fields.
2125 (contributes_to_priority): Removed.
2126 * haifa-sched.c (params.h): New include.
2127 (get_block_head_tail): Adjust all uses.
2128 (ISSUE_POINTS): New macro.
2129 (glat_start, glat_end): New global variables.
2130 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2131 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2132 old_last_basic_block, before_recovery, current_sched_info_var,
2133 rgn_n_insns, luid): New static variables.
2134 (insn_cost1): New function. Move logic from insn_cost to here.
2135 (find_insn_reg_weight1): New function. Move logic from
2136 find_insn_reg_weight to here.
2137 (reemit_notes, move_insn, max_issue): Change signature.
2138 (move_insn1): Removed.
2139 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2140 extend_bb): New static functions to support extension of scheduler's
2142 (generate_recovery_code, process_insn_depend_be_in_spec,
2143 begin_speculative_block, add_to_speculative_block,
2144 init_before_recovery, create_recovery_block, create_check_block_twin,
2145 fix_recovery_deps): New static functions to support
2146 generation of recovery code.
2147 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2148 restore_bb_notes, move_block_after_check, move_succs): New static
2149 functions to support ebb scheduling.
2150 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2151 functions to support handling of register live information.
2152 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2153 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2154 add_jump_dependencies): New static functions.
2155 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2156 consistancy checking.
2157 (debug_spec_status): New function to call from debugger.
2158 (priority): Added code to handle speculation checks.
2159 (rank_for_schedule): Added code to distinguish speculative instructions.
2160 (schedule_insn): Added code to handle speculation checks.
2161 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
2162 Fixed to handle ebbs.
2163 (move_insn): Added code to handle ebb scheduling.
2164 (max_issue): Added code to use ISSUE_POINTS of instructions.
2165 (choose_ready): Added code to choose between speculative and
2166 non-speculative instructions.
2167 (schedule_block): Added code to handle ebb scheduling and scheduling of
2168 speculative instructions.
2169 (sched_init): Initialize new variables.
2170 (sched_finish): Free new variables. Print statistics.
2171 (try_ready): Added code to handle speculative instructions.
2172 * lists.c (copy_DEPS_LIST_list): New function.
2173 * sched-deps.c (extend_dependency_caches): New function. Move logic
2174 from create_dependency_caches to here.
2175 (get_dep_weak, ds_merge): Make global.
2176 * genattr.c (main): Code to output prototype for
2177 dfa_clear_single_insn_cache.
2178 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
2179 (output_dfa_clean_insn_cache_func): Code to output
2180 dfa_clear_single_insn_cache function.
2181 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
2183 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
2185 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
2186 New static variables.
2187 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
2188 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
2190 (ebb_sched_info): Initialize new fields.
2191 (get_block_head_tail): Adjust all uses.
2192 (compute_jump_reg_dependencies): Fixed to use glat_start.
2193 (schedule_ebb): Code to remove unreachable last block.
2194 (schedule_ebbs): Added code to update register live information.
2195 * sched-rgn.c (region_sched_info): Initialize new fields.
2196 (get_block_head_tail): Adjust all uses.
2197 (last_was_jump): Removed. Adjust users.
2198 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
2199 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
2200 Implement new hooks.
2201 (check_dead_notes1): New static function.
2202 (struct region): New fields: dont_calc_deps, has_real_ebb.
2203 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
2204 (BB_TO_BLOCK): Fixed to handle EBBs.
2205 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
2206 (ebb_head): New static variable.
2207 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
2208 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
2210 (compute_dom_prob_ps): New assertion.
2211 (check_live_1, update_live_1): Fixed to work with glat_start instead of
2212 global_live_at_start.
2213 (init_ready_list): New assertions.
2214 (can_schedule_ready_p): Split update code to begin_schedule_ready.
2215 (new_ready): Add support for BEGIN_CONTROL speculation.
2216 (schedule_insns): Fixed code that updates register live information
2218 (schedule_region): Fixed to handle EBBs.
2219 (init_regions): Use extend_regions and check_dead_notes1.
2220 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
2221 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
2222 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
2223 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2224 TARGET_SCHED_GEN_CHECK,
2225 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2226 TARGET_SCHED_SET_SCHED_FLAGS): Document.
2227 * doc/invoke.texi (max-sched-insn-conflict-delay,
2228 sched-spec-prob-cutoff): Document.
2230 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2232 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
2233 inter_tick, queue_index.
2234 (struct sched_info): Change signature of init_ready_list field.
2235 Adjust all initializations.
2236 (RESOLVED_DEPS): New access macro.
2237 (ready_add): Remove prototype.
2238 (try_ready): Add prototype.
2239 * sched-rgn.c (init_ready_list): Use try_ready.
2240 (schedule_region): Initialize
2241 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
2242 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
2243 (init_ready_list): Use try_ready.
2244 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
2245 * lists.c (remove_list_elem): Remove `static'.
2246 (remove_free_INSN_LIST_elem): New function.
2247 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
2248 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
2249 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
2251 (readyp): New variable.
2252 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
2253 change_queue_index, resolve_dep): New static functions.
2254 (try_ready): New function. Adjust callers in sched-rgn.c and
2255 sched-ebb.c to use it instead of ready_add.
2256 (clock_var): Move at the begining of file.
2257 (rank_for_schedule): Fix typo.
2258 (queue_insn): Add assertion. Handle QUEUE_INDEX.
2259 (ready_lastpos): Enforce assertion.
2260 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
2262 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
2263 (schedule_insn): Rewrite to use try_ready and resolve_dep.
2264 (queue_to_ready): Use free_INSN_LIST_list.
2265 (early_queue_to_ready): Fix typo.
2266 (schedule_block): Init readyp. Move init_ready_list call after the
2267 initialization of clock_var. Fix error in rejecting insn by
2268 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
2269 that previously corrected INSN_TICKs. Add code for handling
2271 (set_priorities): Fix typo.
2272 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
2273 Clarify comment and code that keeps current_sched_info->next_tail
2276 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2278 * sched-rgn.c (extend_rgns): New static function.
2279 (find_rgns): Use it.
2280 (gather_region_statistics, print_region_statistics): New static
2282 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
2283 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2285 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2286 Andrey Belevantsev <abel@ispras.ru>
2288 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
2289 * lists.c (unused_deps_list): New variable.
2290 (free_list): Add assertions to verify the proper distinguishing
2291 between INSN_LISTs and DEPS_LISTs.
2292 (find_list_elem, remove_list_elem, remove_list_node): New static
2294 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
2295 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
2296 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
2297 (alloc_INSN_LIST): Assert that the list we're working on is indeed
2299 (free_INSN_LIST_node): Likewise.
2300 * modulo-sched.c (current_sched_info): Initialize flags field.
2301 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
2302 * rtl.def (DEPS_LIST): Define.
2303 * rtl.h: Declare new functions from lists.c.
2304 * sched-deps.c (spec_dependency_cache): New static variable.
2305 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
2306 (add_dependence): Change return type to void. Move the logic to ...
2307 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
2308 (delete_all_dependences): Add comment about forward_dependency_cache.
2309 Handle spec_dependency_cache. Handle DEPS_LISTs.
2310 (fixup_sched_groups): Clarify the change of priority of output
2311 and anti dependencies.
2312 (sched_analyze_2): Adjust add_dependence calls to create data
2313 speculative dependence.
2314 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
2315 Adjust all callers. Handle DEPS_LISTS.
2316 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
2317 presence of speculation.
2318 (init_dependency_caches, free_dependency_caches):
2319 Handle spec_dependency_cache.
2320 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2321 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2322 New static functions.
2323 (add_or_update_back_dep, add_or_update_back_forw_dep,
2324 add_back_forw_dep, delete_back_forw_dep): New functions.
2325 * sched-int.h (ds_t, dw_t): New typedefs.
2326 (struct sched_info): Add new field flags.
2327 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2328 Prototype new sched-deps.c functions.
2329 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2330 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2331 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2332 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2333 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2334 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2336 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2338 * sched-rgn.c (current_sched_info): Initialize flags field.
2339 (schedule_insns): Initialize current_sched_info before the sched_init
2341 * sched-ebb.c (current_sched_info): Initialize flags field.
2342 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2343 Call add_or_update_back_dep instead of add_dependence.
2344 Create control speculative dependencies.
2345 (schedule_insns): Initialize current_sched_info before the sched_init
2348 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2350 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2352 (sh_fallback_frame_state): Likewise.
2354 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2356 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2357 Do switch on default_use_cxa_atexit.
2358 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2359 * config/darwin-crt3.o: New.
2360 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2361 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2362 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2364 * config/rs6000/t-darwin: Move crt2.o building to here.
2365 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2366 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2369 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2371 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2372 from '! xxx' to '!xxx' for coding-style conformance.
2373 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2374 (EXTRA_CONSTRAINT): Likewise.
2375 * config/vax/vax.md (four unnamed insns): Likewise.
2377 2006-03-15 Paul Brook <paul@codesourcery.com>
2379 * config/arm/arm.c (minipool_pad): New.
2380 (add_minipool_forward_ref): Include pool alignment padding in address
2382 (push_minipool_fix): Set minipool_pad.
2383 (minipool_pad): Ditto.
2385 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2387 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2388 instead of GET_CODE() == MEM and REG_P() instead of
2390 (print_operand_address): Likewise.
2391 (vax_address_cost): Likewise.
2392 (vax_rtx_costs): Likewise.
2393 (vax_notice_update_cc): Likewise.
2394 (vax_output_int_add): Likewise.
2395 (INDEX_REGISTER_P): Likewise.
2396 (BASE_REGISTER_P): Likewise.
2397 (nonindexed_address_p): Likewise.
2398 (vax_mode_dependent_address_p): Likewise.
2399 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2400 (PRINT_OPERAND): Likewise.
2401 * config/vax/vax.md (ashlsi3): Likewise.
2402 (ashlsi3): Likewise.
2403 (some more unnamed insns): Likewise.
2405 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2407 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2408 iterator-style macro.
2409 (mark_control_dependent_edges_necessary): Update the use of
2410 EXECUTE_IF_CONTROL_DEPENDENT.
2412 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2414 * config/sh/predicates.md (cache_address_operand): Special.
2415 (ua_address_operand): Likewise.
2417 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2419 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2421 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2423 2006-03-15 Andreas Schwab <schwab@suse.de>
2425 * gensupport.c (identify_predicable_attribute): Don't free p_false
2426 when it is still in use.
2428 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2430 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2431 the default setting here.
2433 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
2435 * tree-pass.h (pass_cfg): Remove.
2436 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
2437 * passes.c (pass_cfg): Don't run it.
2439 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
2441 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
2442 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2444 (stack_regs_mentioned): Update the uses of
2445 stack_regs_mentioned_data. Don't access the array beyond its
2447 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2448 Don't include gt-reg-stack.h.
2450 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2451 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2453 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2456 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2459 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2461 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2463 2006-03-14 Richard Guenther <rguenther@suse.de>
2465 PR tree-optimization/26672
2466 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2469 2006-03-14 Richard Guenther <rguenther@suse.de>
2471 PR tree-optimization/26667
2472 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2473 node for the callees. Always allow inlining if it will shrink
2476 2006-03-14 Richard Guenther <rguenther@suse.de>
2479 * builtins.c (get_pointer_alignment): Prefer alignment
2480 information from decls over that from types.
2482 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2485 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2487 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2489 * config/rs6000/rs6000.opt (mdlmzb): New option.
2490 (msched-prolog, msched-epilog): Use Var not Mask.
2491 * doc/invoke.texi (-mdlmzb): Document.
2492 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2494 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2495 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2497 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2499 PR rtl-optimization/25739
2500 * bt-load.c (augment_live_range): Free tos pointer.
2502 * gensupport.c (identify_predicable_attribute): Free
2504 * gcov.c (create_file_names): Free name pointer.
2506 2006-03-13 Roger Sayle <roger@eyesopen.com>
2509 * stmt.c (emit_case_nodes): Handle the case where the index is a
2510 CONST_INT, where the comparison mode is specified by the index type.
2512 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2514 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2517 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2519 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2520 (*branch_fp_inverted): Likewise.
2522 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2525 * omp-low.c (expand_omp_for_generic): Mark istart0
2526 and iend0 as addressable.
2528 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2530 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2532 2006-03-13 Jeff Law <law@redhat.com>
2534 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2535 virtual operands are interesting.
2536 (vrp_visit_stmt): Corresponding changes.
2538 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2540 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2542 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2543 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2544 * config/bfin/crti.S: Use it instead of __PIC__.
2545 * config/bfin/crtn.S: Likewise.
2547 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2548 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2550 Lose 'G' modifier for call operand.
2551 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2552 recognize 'G' modifier.
2554 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2557 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2558 * stmt.c (expand_case): Likewise.
2560 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2562 PR rtl-optimization/26254
2563 * loop-invariant.c (seq_insns_valid_p): New function.
2564 (move_invariant_reg): Only emit new code if it is valid.
2566 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2568 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2570 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2571 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2572 (commit_one_edge_insertion): Do not look for loop notes.
2574 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2576 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2577 flag_test_coverage out of loop.
2579 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2581 * final.c (shorten_branches): Remove outdated comment, and turn
2582 the if branch that guards it to continue.
2584 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2586 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2587 * cfgloop.h (struct loop): Remove unused fields.
2589 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2591 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2592 (-dL, -fdump-rtl-loop2): Update the dump file names
2594 * doc/invoke.texi: Update dump file names.
2596 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2598 * predict.c (estimate_probability): Remove.
2599 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2600 * basic-block.h (estimate_probability): Remove prototype.
2601 * passes.c (finish_optimization_passes): Dump branch prediction or
2602 profiling heuristics to the .profile tree dump.
2603 (init_optimization_passes): Unqueue pass_branch_prob.
2605 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2607 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2609 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2610 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2612 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2614 * function.h (frame_offset_overflow): Declare.
2615 * function.c (frame_offset_overflow): New function.
2616 (assign_stack_local_1): Call it to detect that the offset overflows.
2617 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2619 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2621 * config/sh/sh.c: Include alloc-pool.h.
2622 (label_ref_list_pool): New alloc pool.
2623 (label_ref_list_t): New type for lists of labels.
2624 (struct pool_node): Make wend a label_ref_list_t.
2625 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2627 (dump_table): Likewise.
2628 (sh_reorg): Set up the alloc pool before using add_constant and
2629 dump_table, and destroy it when finishing.
2631 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2633 * config/mips/mips.c: Remove redundant comment.
2635 2006-03-10 Jason Merrill <jason@redhat.com>
2638 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2639 the target was declared 'register'.
2641 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2643 * genpreds.c (write_insn_constraint_len): Change definition of
2644 insn_constraint_len to return size_t to match the declaration.
2646 2006-03-10 DJ Delorie <dj@redhat.com>
2648 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2650 (m32c_expand_insv): Fix test for an AND mask.
2652 2006-03-10 Richard Guenther <rguenther@suse.de>
2655 * builtins.c (get_pointer_alignment): Handle component
2656 references for field alignment.
2658 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2660 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2661 when building with libgloss.
2662 (sh*elf): Implement --without-fp option.
2663 (sh64-superh-linux*): Don't multilib.
2665 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2667 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2669 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2671 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2672 Set it when one of the replacement functions returned true.
2673 Return TODO_cleanup_cfg if cfgchanged is true.
2674 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2676 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2678 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2679 instead of gen_lowpart.
2681 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2683 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2685 (mips_output_order_conditional_branch): Declare.
2686 * config/mips/mips.h (MIPS_BRANCH): New macro.
2687 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2688 for the comparison. Use gen_condjump.
2689 (mips_output_conditional_branch): Rework interface to take the
2690 asm templates for a direct branch and the inverse of a direct branch.
2691 (mips_output_order_conditional_branch): New function.
2692 (mips_builtin_branch_and_move): New function.
2693 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2694 branch condition. Use gen_single_cc as the condition for
2695 __builtin_mips_upper_* or __builtin_mips_lower_*.
2696 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2697 Use VOIDmode for the branch condition.
2698 * config/mips/predicates.md (order_operator): New predicate.
2699 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2700 (branch_fp): Rename to...
2701 (*branch_fp): ...this. Remove mode from comparison operator.
2702 Use new mips_output_conditional_branch interface.
2703 (branch_fp_inverted): Rename to...
2704 (*branch_fp_inverted): ...this and update as for *branch_fp.
2705 (*branch_zero<mode>): Rename to...
2706 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2707 Use mips_output_order_conditional_branch. Only accept ordered
2709 (*branch_zero<mode>_inverted): Rename to...
2710 (*branch_order<mode>_inverted): ...this and update as for
2711 *branch_order<mode>.
2712 (*branch_equality<mode>): Accept zero as the second operand to
2713 the equality operator. Use the new mips_output_conditional_branch
2715 (*branch_equality<mode>_inverted): Likewise.
2716 (condjump): New expander.
2717 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2719 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2720 (bc1any2t, bc1any2f): Likewise.
2721 (single_cc): New expander.
2722 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2724 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2726 * doc/md.texi: Update documentation of MIPS constraints.
2727 * config/mips/constraints.md: New file.
2728 * config/mips/mips.md: Include it.
2729 * config/mips/mips.c (mips_char_to_class): Delete.
2730 (override_options): Don't initialize mips_char_to_class.
2731 * config/mips/mips.h (mips_char_to_class): Delete.
2732 (REG_CLASS_FROM_LETTER): Delete.
2733 (CONST_OK_FOR_LETTER_P): Delete.
2734 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2735 (EXTRA_CONSTRAINT_Y): Delete.
2736 (EXTRA_CONSTRAINT_STR): Delete.
2737 (CONSTRAINT_LEN): Delete.
2738 (EXTRA_MEMORY_CONSTRAINT): Delete.
2740 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2742 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2743 original fn's eh regions.
2745 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2747 * fold-const.c (build_range_check): Make sure to use a valid type to
2748 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2751 (range_predecessor): New static function.
2752 (range_successor): Likewise.
2753 (merge_ranges): Use them to compute predecessors and successors of
2756 2006-03-09 Roger Sayle <roger@eyesopen.com>
2759 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2760 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2762 2006-03-08 DJ Delorie <dj@redhat.com>
2764 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2765 (addpsi3): Expand to include memory operands. Remove
2766 reload-specific splits.
2767 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2768 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2769 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2770 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2771 (shift1_qi, shift1_hi, insv): New.
2772 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2773 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2774 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2776 * config/m32c/m32c-protos.h: Update as needed.
2777 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2778 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2779 Fail for unrecognized R* constraints.
2780 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2781 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2782 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2784 (m32c_init_libfuncs): New.
2785 (m32c_legitimate_address_p): Add debug wrapper.
2786 (m32c_rtx_costs): New.
2787 (m32c_address_cost): New.
2788 (conversions): Add 'B' prefix.
2789 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2790 operands, or word regnames for QI operands. 'B' prints bit
2792 (m32c_expand_setmemhi): New.
2793 (m32c_expand_movmemhi): New.
2794 (m32c_expand_movstr): New.
2795 (m32c_expand_cmpstr): New.
2796 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2797 (m32c_expand_neg_mulpsi3): Handle non-ints.
2798 (m32c_cmp_flg_0): New.
2799 (m32c_expand_movcc): New.
2800 (m32c_expand_insv): New.
2801 (m32c_scc_pattern): New.
2802 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2803 a0/a1 out of SIregs.
2804 (STORE_FLAG_VALUE): New.
2805 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2808 * config/m32c/mov.md: Make constraints more liberal.
2809 (zero_extendqihi2): Optimize r0/r1 case.
2810 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2811 * config/m32c/predicates.md (m32c_any_operand): New.
2812 (m32c_nonimmediate_operand): New.
2813 (m32c_hl_operand): New.
2814 (m32c_r3_operand): New.
2817 (memsym_operand): New.
2818 (memimmed_operand): New.
2819 (a_qi_operand): New.
2820 (m32c_eqne_operator): New.
2821 (m32c_1bit8_operand): New.
2822 (m32c_1bit16_operand): New.
2823 (m32c_1mask8_operand): New.
2824 (m32c_1mask16_operand): New.
2825 * config/m32c/blkmov.md: New file.
2826 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2828 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2830 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2831 unsigned to fix signed/unsigned comparison issue in
2832 DWARF2_FRAME_REG_OUT.
2833 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2834 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2836 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2837 of ptr into the ENABLE_CHECKING section.
2839 2006-03-08 Jeff Law <law@redhat.com>
2841 * tree-vrp.c (infer_value_range): Only count pointer uses
2842 and dereferences if -fdelete-null-pointer-checks is enabled.
2844 * tree-vrp.c (find_assert_locations): Infer value ranges for
2845 single use pointers, but do not create ASSERT_EXPRs for them.
2846 When a non-null range is inferred for a pointer, backwards
2847 propagate that range to other equivalent pointers through the
2850 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2853 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2854 language hook targets.
2855 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2856 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2857 if language hook targets were missing.
2859 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2861 * tree-ssa-opfinalize.h: Removed.
2862 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2864 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2865 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2866 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2867 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2868 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2869 finalize_ssa_v_must_def_ops): New.
2871 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2873 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2876 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2878 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2880 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2881 addresses with offsets; reorganize.
2883 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2884 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2885 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2887 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2890 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2892 2006-03-08 Ben Elliston <bje@au.ibm.com>
2894 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2896 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2899 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2902 2006-03-07 Richard Guenther <rguenther@suse.de>
2904 PR tree-optimization/26587
2905 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2907 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2909 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2911 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2913 * hooks.c (hook_bool_mode_rtx_true): New function.
2914 * hooks.h (hook_bool_mode_rtx_true): Declare.
2915 * toplev.c (compile_file): Call output_shared_constant_pool.
2916 * varasm.c (shared_constant_pool): New variable.
2917 (assemble_start_function, assemble_end_function): Remove arguments
2918 from call to output_constant_pool.
2919 (create_constant_pool): New function, split out from...
2920 (init_varasm_status): ...here.
2921 (force_const_mem): Choose between the shared and per-function constant
2922 pools. Set current_function_uses_const_pool when reusing old entries
2923 as well as when creating new ones.
2924 (mark_constant): Ignore data argument.
2925 (mark_constants): Remove pool argument.
2926 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2927 to decide whether the function uses a constant pool.
2928 (output_constant_pool_contents): New function, split out from...
2929 (output_constant_pool): ...here.
2930 (output_shared_constant_pool): New function.
2931 (init_varasm_once): Initialize shared_constant_pool.
2932 * output.h (output_constant_pool): Delete.
2933 (output_shared_constant_pool): Declare.
2934 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2935 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2937 2006-03-06 Nick Clifton <nickc@redhat.com>
2939 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2940 flag_strength_reduce.
2942 2006-03-06 Ben Elliston <bje@au.ibm.com>
2944 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2945 x86_64-*-linux* configurations.
2947 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2948 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2950 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2952 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2954 * basic-block.h: Remove the extern for
2955 rediscover_loops_after_threading.
2957 * cfgloop.c (cancel_loop): Make it static.
2958 * cfgloop.h: Remove the prototype for cancel_loop.
2960 * flow.c (recompute_reg_usage): Make it static.
2961 * rtl.h: Remove the prototype for recompute_reg_usage.
2963 * function.c (use_return_register): Make it static.
2964 * function.h: Remove the prototype.
2966 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2968 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2970 * recog.h: Remove the prototype for
2971 validate_change_maybe_volatile.
2973 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2975 * rtlanal.c (replace_reg): Remove.
2976 * rtl.h: Remove the prototype for replace_reg.
2978 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2980 * regclass.c (reg_scan_update): Remove.
2981 (reg_scan_mark_refs): Remove the last argument.
2982 * rtl.h: Remove the prototype for reg_scan_update.
2984 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2986 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2987 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2988 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2989 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2990 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2991 loop-invariant.c, omp-low.c, opts.c, passes.c,
2992 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2993 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2994 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2995 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2996 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2997 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2999 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3001 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3002 * dwarf2out.h: Remove the prototype for
3003 dwarf2out_add_library_unit_info.
3005 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3007 * tree.c (add_var_to_bind_expr): Remove.
3008 * tree.h: Remove the prototype for add_var_to_bind_expr.
3010 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3012 * regclass.c (n_non_fixed_regs): Remove.
3013 (init_reg_sets_1, globalize_reg): Remove all uses of
3015 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3017 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3019 * rtlanal.c (insns_safe_to_move_p): Remove.
3020 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3022 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3024 * expmed.c (expand_mult_add): Remove.
3025 * expr.h: Remove the prototype for expand_mult_add.
3027 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3029 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3030 and REG_SAVED_VAL_EXP constants.
3031 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3032 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3033 Handle regs stored by value.
3034 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3035 (execute_cfa_program): Handle DW_CFA_val_offset,
3036 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3037 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3038 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3039 (uw_install_context_1): Handle target regs stored by value.
3041 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3043 * tree-sra.c (tree_sra): Return todoflags;
3044 (generate_one_element): Set TODO_update_smt_usage if needed.
3045 (pass_sra): Remove TODO_update_smt_usage.
3046 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3048 (tree_ssa_forward_propagate_single_use_vars): Return
3049 TODO_update_smt_usage if we need to update SMT usage.
3050 (pass_forwprop): Remove TODO_update_smt_usage.
3052 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3054 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3055 (correct_use_link): Remove reference to get_stmt_operands.
3056 (update_stmt_operands): Likewise.
3057 (get_modify_expr_operands): New function factored out of
3058 parse_ssa_operands and get_expr_operands.
3059 Try to create V_MUST_DEFs for LHS by default.
3060 (get_expr_operands) <case MODIFY_EXPR>: Call
3061 get_modify_expr_operands.
3062 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3063 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3064 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3065 get_modify_expr_operands.
3067 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3069 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3070 * tree-flow.h: Remove the prototype for
3071 referenced_var_lookup_if_exists.
3073 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3075 PR rtl-optimization/26345
3077 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3079 2006-03-03 Roger Sayle <roger@eyesopen.com>
3081 PR tree-optimization/26524
3082 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3083 fold_convert to create a constant of the appropriate type.
3085 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3087 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3088 SYMBOL_REF_IN_BLOCK_P.
3089 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3090 of SYMBOL_FLAG_IN_BLOCK.
3091 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3092 instead of SYMBOL_REF_IN_BLOCK_P.
3093 * explow.c (use_anchored_address): Likewise.
3094 * rtl.c (rtx_size): Likewise.
3095 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3096 instead of SYMBOL_FLAG_IN_BLOCK.
3097 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3098 SYMBOL_REF_IN_BLOCK_P.
3099 (assemble_variable): Likewise.
3100 (output_constant_def_contents): Likewise.
3101 (output_constant_pool): Likewise.
3102 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3103 instead of SYMBOL_FLAG_IN_BLOCK.
3104 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3105 SYMBOL_REF_IN_BLOCK_P.
3106 (SYMBOL_REF_BLOCK): Likewise.
3107 (SYMBOL_REF_OFFSET): Likewise.
3108 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3109 SYMBOL_REF_IN_BLOCK_P.
3110 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3111 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3112 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3113 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3115 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3117 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3119 2006-03-02 Roger Sayle <roger@eyesopen.com>
3121 * simplify-rtx.c (simplify_unary_operation): When simplifying
3122 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3123 that we perform the right shift in the appropriate mode, and
3124 then extend or truncate the result to requested mode.
3126 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3128 * gengtype.c (main): Handle double_int type.
3129 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3130 * double-int.c: New file.
3131 * double-int.h: New file.
3132 * system.h: Include doubleint.h.
3133 * Makefile.in (SYSTEM_H): Include double-int.h.
3134 (double-int.o): Add.
3136 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3139 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3142 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3144 * tree-vrp.c (remove_range_assertions): Do not update statements
3147 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3149 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3151 * gcse.c (rest_of_handle_gcse): Ditto.
3152 * except.c (gate_handle_eh): Ditto.
3153 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3154 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3156 2006-03-02 Eric Christopher <echristo@apple.com>
3158 * config/i386/i386.c (machopic_output_stub): Add indirection to
3161 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3165 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
3167 Sun Niagara specific optimizations.
3168 * config.gcc: Recognize niagara as target.
3169 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
3170 (TARGET_CPU_niagara): Define.
3171 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
3172 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
3173 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3174 (ASM_CPU_SPEC): Likewise.
3175 (PROCESSOR_NIAGARA): New enum entry.
3176 (REGISTER_MOVE_COST): Handle Niagara.
3177 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
3178 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
3179 (sparc_override_options): Recognize "niagara", set appropriate
3180 default MASK_* values for it, and align functions to 32-bytes
3181 by default just like ULTRASPARC/ULTRASPARC3.
3182 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
3183 (sparc64_initialize_trampoline): Likewise.
3184 (sparc_use_sched_lookahead): Use zero for niagara.
3185 (sparc_issue_rate): Use one for niagara.
3186 * config/sparc/niagara.md: New file.
3187 * config/sparc/sparc.md: Include it.
3188 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
3189 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
3190 when default cpu is niagara.
3191 (CPP_CPU_SPEC): Handle -mcpu=niagara.
3192 (ASM_CPU_SPEC): Likewise.
3193 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
3194 when default cpu is niagara.
3195 (ASM_CPU_SPEC): Handle -mcpu=niagara.
3196 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
3197 just like v9/ultrasparc/ultrasparc3.
3198 * doc/invoke.texi: Add documentation for "niagara" and improve
3199 existing documentation for ultrasparc variants.
3201 2006-03-02 Diego Novillo <dnovillo@redhat.com>
3203 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
3205 2006-03-02 Richard Sandiford <richard@codesourcery.com>
3207 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
3208 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
3209 and say that only one is needed.
3210 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
3211 * target.h (have_switchable_bss_sections): New hook.
3212 * explow.c (use_anchored_address): Check that the symbol is in a block.
3213 * varasm.c (tls_comm_section, comm_section, lcomm_section)
3214 (bss_noswitch_section): New variables.
3215 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
3216 (get_noswitch_section): New function.
3217 (get_block_for_section): Allow SECT to be null.
3218 (unlikely_text_section_p): Use SECTION_STYLE.
3219 (bss_initializer_p): New function.
3220 (get_variable_section): Move earlier in file. Take a new argument,
3221 prefer_noswitch_p. Move bss checks from assemble_variable to here.
3222 Return one of the new *_sections in such cases.
3223 (get_block_for_decl): New function, extracting some logic from
3224 use_blocks_for_decl_p.
3225 (change_symbol_section): Remove in favor of...
3226 (change_symbol_block): ...this new function.
3227 (use_blocks_for_decl_p): Remove checks now performed by
3229 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
3230 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
3231 (emit_local, emit_bss, emit_common): ...these new functions.
3232 Return true if the alignment was honored.
3233 (emit_tls_common): New function.
3234 (asm_emit_uninitialised): Delete.
3235 (assemble_variable_noswitch): New function, split out from...
3236 (assemble_variable): ...here. Don't make decisions about common
3237 variables here. Globalize all public decls that go into non-common
3238 sections. Check whether SYMBOL_REF_BLOCK is null.
3239 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
3240 (output_constant_pool): Likewise.
3241 (init_varasm_once): Initialize the new section variables.
3242 (have_global_bss_p): New function.
3243 (categorize_decl_for_section): Use bss_initializer_p.
3244 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
3245 (place_block_symbol): Assert that the symbol must be in a block.
3246 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
3247 (TARGET_INITIALIZER): Include it.
3248 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
3249 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
3250 (SECTION_MACH_DEP): Bump by two.
3251 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
3252 (unnamed_section): Mention SECTION_UNNAMED in comment.
3253 (named_section): Likewise SECTION_NAMED.
3254 (noswitch_section_callback): New type.
3255 (noswitch_section): New structure.
3256 (section): Add a noswitch_section alternative.
3257 (SECTION_STYLE): New macro.
3258 (tls_comm_section, comm_section, lcomm_section): Declare.
3259 (bss_noswitch_section, have_global_bss_p): Declare.
3260 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3261 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3263 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
3264 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
3267 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
3269 * gcc/tree-vrp.c (execute_vrp): Return value.
3270 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
3271 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
3272 * gcc/tree-complex.c (tree_lower_complex): Ditto.
3273 (tree_lower_complex_O0): Ditto.
3274 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
3275 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
3276 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
3277 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
3278 (execute_tail_calls): Ditto.
3279 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3280 * gcc/tree.h (init_function_for_compilation): Ditto.
3281 * gcc/ipa-cp.c (ipcp_driver): Ditto.
3282 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
3283 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
3284 * gcc/final.c (compute_alignments): Ditto.
3285 (rest_of_handle_final): Ditto.
3286 (rest_of_handle_shorten_branches): Ditto.
3287 (rest_of_clean_state): Ditto.
3288 * gcc/omp-low.c (execute_expand_omp): Ditto.
3289 (execute_lower_omp): Ditto.
3290 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
3291 * gcc/ipa-reference.c (static_execute): Ditto.
3292 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
3293 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
3294 (rest_of_handle_machine_reorg): Ditto.
3295 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
3296 * gcc/flow.c (recompute_reg_usage): Ditto.
3297 (rest_of_handle_remove_death_notes): Ditto.
3298 (rest_of_handle_life): Ditto.
3299 (rest_of_handle_flow2): Ditto.
3300 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
3301 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
3302 (do_ssa_store_ccp): Ditto.
3303 (execute_fold_all_builtins): Ditto.
3304 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
3305 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
3306 * gcc/ipa-pure-const.c (static_execute): Ditto.
3307 * gcc/cse.c (rest_of_handle_cse): Ditto.
3308 (rest_of_handle_cse2): Ditto.
3309 * gcc/web.c (rest_of_handle_web): Ditto.
3310 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
3311 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
3312 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3313 * gcc/tree-nrv.c (tree_nrv): Ditto.
3314 (execute_return_slot_opt): Ditto.
3315 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
3316 (create_structure_vars): Ditto.
3317 * gcc/loop-init.c (rtl_loop_init): Ditto.
3318 (rtl_loop_done): Ditto.
3319 (rtl_move_loop_invariants): Ditto.
3320 (rtl_unswitch): Ditto.
3321 (rtl_unroll_and_peel_loops): Ditto.
3322 (rtl_doloop): Ditto.
3323 * gcc/gimple-low.c (lower_function_body): Ditto.
3324 (mark_used_blocks): Ditto.
3325 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3326 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3327 (cgraph_early_inlining): Ditto.
3328 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3329 * gcc/jump.c (cleanup_barriers): Ditto.
3330 (purge_line_number_notes): Ditto.
3331 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3332 (rest_of_handle_if_after_reload): Ditto.
3333 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3334 (tree_ssa_loop_im): Ditto.
3335 (tree_ssa_loop_unswitch): Ditto.
3336 (tree_vectorize): Ditto.
3337 (tree_linear_transform): Ditto.
3338 (tree_ssa_loop_ivcanon): Ditto.
3339 (tree_ssa_empty_loop): Ditto.
3340 (tree_ssa_loop_bounds): Ditto.
3341 (tree_complete_unroll): Ditto.
3342 (tree_ssa_loop_prefetch): Ditto.
3343 (tree_ssa_loop_ivopts): Ditto.
3344 (tree_ssa_loop_done): Ditto.
3345 * gcc/predict.c (tree_estimate_probability): Ditto.
3346 * gcc/recog.c (split_all_insns_noflow): Ditto.
3347 (rest_of_handle_peephole2): Ditto.
3348 (rest_of_handle_split_all_insns): Ditto.
3349 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3350 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3351 (rest_of_handle_stack_adjustments): Ditto.
3352 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3353 * gcc/function.c (instantiate_virtual_regs): Ditto.
3354 (init_function_for_compilation): Ditto.
3355 (rest_of_handle_check_leaf_regs): Ditto.
3356 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3357 (rest_of_handle_gcse): Ditto.
3358 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3359 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3360 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3361 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3362 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3363 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3364 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3365 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3366 * gcc/except.c (set_nothrow_function_flags): Ditto.
3367 (convert_to_eh_region_ranges): Ditto.
3368 (rest_of_handle_eh): Ditto.
3369 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3370 (remove_unnecessary_notes): Ditto.
3371 * gcc/except.h (set_nothrow_function_flags): Ditto.
3372 (convert_to_eh_region_ranges): Ditto.
3373 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3374 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3375 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3376 (execute_fre): Ditto.
3377 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3378 (rest_of_handle_jump2): Ditto.
3379 * gcc/tree-sra.c (tree_sra): Ditto.
3380 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3381 (execute_mudflap_function_decls): Ditto.
3382 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3383 (do_store_copy_prop): Ditto.
3384 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3385 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3386 * gcc/tree-ssa-forwprop.c
3387 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3388 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3389 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3390 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3391 (execute_late_warn_uninitialized): Ditto.
3392 * gcc/rtl.h (cleanup_barriers): Ditto.
3393 (split_all_insns_noflow): Ditto.
3394 (purge_line_number_notes): Ditto.
3395 (unshare_all_rtl): Ditto.
3396 (remove_unnecessary_notes): Ditto.
3397 (recompute_reg_usage): Ditto.
3398 (variable_tracking_main): Ditto.
3399 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3400 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3401 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3402 (execute_free_cfg_annotations): Ditto.
3403 (execute_fixup_cfg): Ditto.
3404 (execute_cleanup_cfg_pre_ipa): Ditto.
3405 (execute_cleanup_cfg_post_optimizing): Ditto.
3406 (execute_init_datastructures): Ditto.
3407 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3408 * gcc/combine.c (rest_of_handle_combine): Ditto.
3409 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3410 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3411 (rest_of_handle_reorder_blocks): Ditto.
3412 (rest_of_handle_partition_blocks): Ditto.
3413 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3414 * gcc/tree-profile.c (tree_profiling): Ditto.
3415 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3416 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3417 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3418 (rest_of_handle_sched2): Ditto.
3419 * gcc/basic-block.h (free_bb_insn): Ditto.
3420 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3421 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3422 (remove_useless_stmts): Ditto.
3423 (split_critical_edges): Ditto.
3424 (execute_warn_function_return): Ditto.
3425 (execute_warn_function_noreturn): Ditto.
3426 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3427 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3428 * gcc/passes.c (execute_one_pass): Run additional
3429 todos returned by execute function.
3430 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
3433 2006-03-02 Richard Guenther <rguenther@suse.de>
3435 * tree-ssa-alias.c (find_used_portions): Consider taking
3436 the address as making the variable not write-only.
3438 2006-03-02 Nick Clifton <nickc@redhat.com>
3440 * config.gcc (default_use_cxa_atexit): Extend the description of
3441 this configure variable. Set its default value to "yes" for
3442 Linux, NetBSD and ELF targets on the assumption that they will
3443 use C libraries with the __cxa_atexit function.
3445 2006-03-02 Ben Elliston <bje@au.ibm.com>
3447 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3448 parameter as unused to suppress a build warning.
3450 2006-03-02 Ben Elliston <bje@au.ibm.com>
3452 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3455 2006-03-01 Roger Sayle <roger@eyesopen.com>
3458 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3459 declared name, the weak reference name, and the typeof name.
3460 (__gthrw): Avoid expanding the declared name suffix.
3461 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3463 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3465 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3467 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3468 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3469 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3470 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3471 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3472 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3473 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3474 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3475 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3476 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3477 (DW_END_default, DW_END_big, DW_END_little): New.
3478 (DW_END_lo_user, DW_END_hi_user): Define.
3479 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3480 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3481 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3484 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3486 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3488 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3490 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3492 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3494 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3495 to 'symbol_mem_tag'.
3497 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3500 2006-03-01 Roger Sayle <roger@eyesopen.com>
3502 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3504 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3507 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3508 MACHO_DYNAMIC_NO_PIC_P.
3509 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3511 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3514 * config/darwin-protos.h (darwin_asm_output_anchor):
3516 * config/darwin-sections.def (cstring_section):
3517 Add SECTION_MERGE to the flags.
3518 (literal4_section): Likewise.
3519 (literal8_section): Likewise.
3520 (objc_selector_refs_section): Likewise.
3521 (objc_cls_refs_section): Likewise.
3522 * config/darwin.c (darwin_asm_output_anchor): New
3524 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3526 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3528 Fix PR tree-optimization/26443
3529 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3530 to todo and PROP_tmt_usage to properties_destroyed.
3531 * tree-ssa-ccp.c (pass_ccp): Ditto.
3532 (pass_store_ccp): Ditto.
3533 * tree-ssa-dom.c (pass_dominator): Ditto.
3535 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3537 * tree-ssa-operands.c: Cleanup whitespace.
3538 (get_asm_expr_operands): Move before first invocation.
3539 (get_indirect_ref_operands): Likewise.
3540 (get_tmr_operands): Likewise.
3541 (get_call_expr_operands): Likewise.
3542 (append_def): Likewise.
3543 (append_use): Likewise.
3544 (append_v_may_def): Likewise.
3545 (append_v_must_def): Likewise.
3546 (add_call_clobber_ops): Likewise.
3547 (add_call_read_ops): Likewise.
3548 (add_stmt_operand): Likewise.
3549 (add_virtual_operand): Likewise.
3550 (build_ssa_operands): Likewise.
3552 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3557 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3558 with a call expr to ...
3559 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3561 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3563 * tree-vrp.c (extract_range_from_assert): Remove special
3564 handling for types with super-types.
3566 2006-03-01 Ben Elliston <bje@au.ibm.com>
3568 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3569 and powerpc64-*-linux* configurations.
3570 * config/t-dfprules: New file.
3572 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3573 Compile dfp-bit.c from the source directory using -DWIDTH and
3574 $DFP_CFLAGS to control the compilation of that file, rather than
3575 generating width-specific versions in the build directory.
3576 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3577 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3579 2006-02-28 Zack Weinberg <zackw@panix.com>
3581 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3584 2006-02-28 Eric Christopher <echristo@apple.com>
3586 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3587 Set up IN_LIBGCC definition of TARGET_64BIT.
3588 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3590 2006-02-28 Roger Sayle <roger@eyesopen.com>
3593 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3594 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3595 cases via the construction of "expr != 0".
3597 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3599 * alias.c (alias_invariant, alias_invariant_size): Remove.
3600 (record_base_value): Remove.
3601 (memrefs_conflict_p): Don't look at alias_invariant.
3602 (end_alias_analysis): Don't free it.
3603 * alias.h (record_base_value): Remove prototype.
3605 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3606 Adam Nemet <anemet@caviumnetworks.com>
3608 * rtl.h (truncated_to_mode): Declare it.
3609 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3610 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3611 (RTL_HOOKS_INITIALIZER): Include it.
3612 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3613 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3614 reg_truncated_to_mode.
3615 * rtlanal.c (truncated_to_mode): Define it.
3616 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3618 2006-02-28 Jeff Law <law@redhat.com>
3620 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3621 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3622 the range allowed by TYPE_PRECISION.
3624 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3626 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3628 PR tree-optimization/26419
3629 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3632 2006-02-27 Zack Weinberg <zackw@panix.com>
3634 * doc/md.texi: Fix typo in previous change.
3636 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3640 2006-02-27 Zack Weinberg <zackw@panix.com>
3642 * rtl.def (define_constraint, define_register_constraint)
3643 (define_memory_constraint, define_address_constraint): New MD forms.
3644 * gensupport.c (process_rtx): Put define_constraint etc on the
3646 * genpreds.c (process_define_predicate): Adjust comment. Validate
3647 the name, and call validate_exp to validate the expression.
3648 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3649 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3650 all callers changed.
3651 (validate_exp, needs_variable, struct constraint_data)
3652 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3653 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3654 (const_dbl_constraints, constraint_max_namelen)
3655 (have_register_constraints, have_memory_constraints)
3656 (have_address_constraints, have_address_constraints)
3657 (have_extra_constraints, have_const_int_constraints)
3658 (have_const_dbl_constraints, mangle, add_constraint)
3659 (process_define_constraint, process_define_register_constraint)
3660 (write_enum_constraint_num, write_lookup_constraint)
3661 (write_insn_constraint_len, write_regclass_for_constraint)
3662 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3663 (write_insn_extra_memory_constraint)
3664 (write_insn_extra_address_constraint)
3665 (write_satisfies_constraint_fns): New.
3666 (write_tm_preds_h): If we have new-style constraint definitions,
3667 prototype the functions generated from them, and define the
3668 old constraint interface (still used by generic code) in terms of
3670 (write_insn_preds_c): If we have new-style constraint definitions,
3671 generate all relevant functions from those definitions.
3672 (main): Handle define_constraint etc.
3673 * genoutput.c (struct constraint_data, indep_constraints)
3674 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3675 (mdep_constraint_len): New data structures and functions, defined
3676 #ifdef USE_MD_CONSTRAINTS.
3677 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3678 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3679 use new logic to validate operand constraints against constraint
3681 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3683 * defaults.h: If none of the old-style constraint macros are
3684 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3685 old-style macros; and poison REG_CLASS_FROM_LETTER,
3686 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3688 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3689 * doc/md.texi: Document new constraint-definition mechanism and the
3690 C interface it provides. Remove references to old mechanism
3691 elsewhere in the document.
3692 (Machine Constraints): Use pathnames relative to gcc directory,
3693 i.e. config/ARCH/FILE. Change i386 section to refer to
3694 config/i386/predicates.md; update that section to match docstrings.
3695 * doc/tm.texi: Move all documentation of the old constraint-
3696 definition macros to their own section, clearly mark as obsolete.
3698 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3699 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3701 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3702 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3703 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3705 (splits and peepholes): Use satisfies_constraint_*.
3706 * config/i386/i386.c (memory_address_length)
3707 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3709 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3711 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3712 scalar operation to be put back into the loop.
3714 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3717 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3718 (extract_cie_info): Handle S flag in augmentation string.
3719 (execute_cfa_program): If context->signal_frame, execute also
3720 fs->pc == context->ra instructions.
3721 (uw_frame_state_for): If context->signal_frame, don't subtract one
3722 from context->ra to find FDE.
3723 (uw_update_context_1): Set context->signal_frame to
3725 (_Unwind_GetIPInfo): New function.
3726 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3727 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3729 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3730 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3731 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3732 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3733 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3734 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3735 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3736 x86_64_fallback_frame_state): Set fs->signal_frame.
3737 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3738 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3739 (frob_update_context): Likewise. Workaround missing S flag in
3740 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3741 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3742 Remove the psw_addr + 1 hack.
3744 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3746 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3747 with aggregates here.
3748 (find_func_aliases): Remove code for &<aggregate> from here.
3750 2006-02-26 Roger Sayle <roger@eyesopen.com>
3752 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3753 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3754 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3757 2006-02-26 Roger Sayle <roger@eyesopen.com>
3760 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3762 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3764 * opts.c (decode_options): Do not handle flag_strength_reduce.
3765 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3766 and OPT_fstrength_reduce.
3767 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3768 flag_prefetch_loop_arrays for being nonzero.
3769 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3771 (fprefetch-loop-arrays-rtl): Removed.
3772 (flag_prefetch_loop_arrays): Do not specify the value.
3774 * doc/passes.texi: Update documentation of loop optimizer
3776 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3777 -frerun-loop-opt): Remove.
3779 2006-02-26 Richard Guenther <rguenther@suse.de>
3781 PR tree-optimization/26421
3782 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3783 in function calls that are ADDR_EXPRs as using the whole structure.
3785 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3787 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3788 * tree-pass.h (pass_loop_optimize): Remove.
3789 * passes.c (pass_loop_optimize): Never run it.
3790 * toplev.c (backend_init): Don't call init_loop.
3791 * opts.c (flag_loop_optimize_set): Remove.
3792 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3793 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3794 the old RTL loop optimizer when profiling enabled.
3795 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3796 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3797 pre-headers for the sake of the old RTL loop optimizer.
3798 * Makefile.in: Remove all references to loop.o.
3800 * doc/invoke.texi: Remove all references to -floop-optimize
3801 and -frerun-loop-opt.
3803 2006-02-26 Zack Weinberg <zackw@panix.com>
3805 * doc/md.texi (Machine Constraints): Refer to all files with paths
3806 relative to gcc directory (i.e. config/CPU/file). Add missing
3807 @table @code ... @end table to M32C subsection.
3809 2006-02-26 Roger Sayle <roger@eyesopen.com>
3811 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3813 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3815 2006-02-26 Roger Sayle <roger@eyesopen.com>
3816 James A. Morrison <phython@gcc.gnu.org>
3819 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3820 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3821 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3822 signedness of the shift operation.
3824 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3826 PR tree-optimization/26359
3827 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3829 2006-02-25 Roger Sayle <roger@eyesopen.com>
3831 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3832 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3833 as X == 0, and some symmetry related transformations.
3834 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3836 2006-02-25 Roger Sayle <roger@eyesopen.com>
3839 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3840 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3841 symmetry related transformations. Fold (X^C1) == C2 as
3844 2006-02-25 Juergen Weigert <jw@suse.de>
3845 Richard Guenther <rguenther@suse.de>
3847 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3849 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3851 * combine.c (gen_lowpart_or_truncate): Call
3852 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3854 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3856 * doc/invoke.texi: Move -fopenmp description to "Options for
3858 Remove reference to -lgomp.
3860 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3862 * doc/install.texi: Require GNU tar version 1.14.
3864 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3866 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3867 * doc/invoke.texi (C++ Dialect Options): Document
3868 -fno-use-cxa-get-exception-ptr.
3869 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3870 * configure: Regenerate.
3871 * c.opt (fuse-cxa-get-exception-ptr): New.
3872 * c-opts.c (c_common_handle_option): Handle
3873 OPT_fuse_cxa_get_exception_ptr.
3874 * c-common.c (flag_use_cxa_atexit): Update documentation.
3875 (flag_use_cxa_get_exception_ptr): New.
3876 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3877 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3879 (C_COMMON_OVERRIDE_OPTIONS): New.
3881 2006-02-24 Roger Sayle <roger@eyesopen.com>
3884 * combine.c (try_combine): Explicitly check whether GET_CODE is
3885 a SET or a CLOBBER, instead on checking that it isn't a USE.
3887 2006-02-24 Roger Sayle <roger@eyesopen.com>
3889 * fold-const.c (fold_comparison): New subroutine of fold_binary
3890 containing transformations common to both the equality and
3891 ordering relational operators, factored out of fold_binary.
3892 (fold_binary): Separate out the equality operators (EQ_EXPR
3893 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3894 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3895 transformations common to both.
3896 (fold_div_compare): Fix latent bugs in the previously unreachable
3897 LT_EXPR and GE_EXPR cases.
3899 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3901 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3902 decl libname for clog to __clog on AIX.
3904 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3906 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3909 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3910 output traceback table for thunks. Localise rs6000_stack_info call.
3912 2006-02-23 Roger Sayle <roger@eyesopen.com>
3913 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3915 * gthr-posix.h (__gthrw): Fix typo in comment.
3917 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3919 * doc/cpp.texi (Character sets): Document that we do support
3920 input files to be in any character set.
3922 2006-02-23 Jeff Law <law@redhat.com>
3924 * tree.h (PHI_ARG_NONZERO): Remove.
3925 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3926 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3927 node to the new node.
3929 PR tree-optimization/26425
3930 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3931 min/max, then assume its varying.
3933 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3935 PR rtl-optimization/26316
3936 * rtlanal.c (enum may_trap_p_flags): New.
3937 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3938 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3939 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3940 (may_trap_after_code_motion_p): New function.
3941 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3942 (find_invariant_insn): Use may_trap_after_code_motion_p.
3943 * rtl.h (may_trap_after_code_motion_p): Declare.
3945 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3947 * emit-rtl.c (immed_double_const): Cleanup.
3949 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3951 Fix PR tree-optimization/26376
3952 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3955 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3958 * gimplify.c (omp_add_variable): Guard variable size decl test with
3959 DECL_SIZE (decl) check.
3961 2006-02-23 Richard Guenther <rguenther@suse.de>
3964 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3965 like aggregate types.
3967 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3969 * configure.ac: Add --with{,out}-long-double-128 configure option.
3970 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3971 * configure: Rebuilt.
3972 * config.in: Rebuilt.
3973 * doc/install.texi (Options specification): Document
3974 --with-long-double-128.
3976 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3977 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3978 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3979 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3981 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3983 * config/s390/s390.c (override_options): Handle
3984 TARGET_DEFAULT_LONG_DOUBLE_128.
3986 * config/alpha/alpha.c (override_options): Handle
3987 TARGET_DEFAULT_LONG_DOUBLE_128.
3989 * config/sparc/sparc.c (sparc_override_options): Handle
3990 TARGET_DEFAULT_LONG_DOUBLE_128.
3992 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3994 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3995 (real-install-headers-tar, real-install-headers-cpio)
3996 (real-install-headers-cp): New targets.
3998 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4000 * tree.h (variable_section): Delete.
4001 * varasm.c (variable_section): Delete.
4003 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4005 * install.texi: Add notes on install.texi2html.
4006 (Building in parallel): Do not use footnotes.
4008 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4011 * doc/install.texi (Configuration): Document --disable-libgomp.
4013 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4015 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4017 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4019 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4020 (vec_extractv2df_0_sse): New.
4022 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4024 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4025 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4026 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4027 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4028 to the result of the expression.
4029 (def_cfa_1): Adjust.
4030 (frame_pointer_cfa_offset): Rename to...
4031 (frame_pointer_fb_offset): ... this. Adjust all uses.
4032 (convert_cfa_to_loc_list): Rename to...
4033 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4034 Pass it on to build_cfa_loc.
4035 (compute_frame_pointer_to_cfa_displacement): Rename to...
4036 (compute_frame_pointer_to_fb_displacement): ... this. New
4037 offset parameter. Use it in computation.
4038 (gen_subprogram_die): Compute cfa_fb_offset with the new
4039 macro, and use it to compute the fb loc list and the
4042 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4044 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4045 replaced with register_operand.
4046 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4047 non-DREG is expensive.
4048 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4049 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4052 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4054 * doc/install.texi2html: Use set -e.
4056 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4058 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4059 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4060 * doc/invoke.texi (-fshared-data): Delete.
4061 * common.opt (fshared-data): Delete.
4062 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4063 (assemble_static_space): Remove #if 0 code.
4064 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4065 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4066 * config/cris/cris.h: Remove FIXME.
4068 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4070 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4073 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4076 * combine.c (simplify_shift_const_1): Disable nested shifts
4077 optimization for vector shifts.
4079 2006-02-20 Roger Sayle <roger@eyesopen.com>
4081 PR tree-optimization/26361
4082 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4083 of unsigned integer types.
4085 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4087 * tree-chrec.c (eq_evolutions_p): New.
4088 * tree-chrec.h (eq_evolutions_p): Declared.
4089 * tree-data-ref.c: Fix formatting.
4090 (datadep_stats, dependence_stats): New.
4092 (print_direction_vector): New.
4093 (dump_data_dependence_relation): Use print_direction_vector.
4094 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4095 (compute_subscript_distance): Static.
4096 (initialize_data_dependence_relation): Static. Get the number
4097 of loops surrounding the references from the callers, and initialize
4098 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4099 base_object_differ_p analyzers.
4100 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4101 compute_overlap_steps_for_affine_1_2,
4102 analyze_subscript_affine_affine): Count the classified dependences.
4103 Print a message when a test failed.
4104 (can_use_analyze_subscript_affine_affine): New.
4105 (analyze_siv_subscript): Compute the data dependences on symbolic
4106 scevs that verify can_use_analyze_subscript_affine_affine.
4107 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4108 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4109 Handle symbolic scevs.
4110 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4112 (subscript_dependence_tester): Moved...
4113 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4114 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4115 DDR_SIZE_VECT instead of getting it in parameter.
4116 (subscript_dependence_tester): ... here. Take as a parameter
4117 loop_nest_depth. Call build_classic_dist_vector and
4118 build_classic_dir_vector.
4119 (compute_affine_dependence): Update subscript_dependence_tester
4120 parameters. Update datadep_stats counters. Call
4121 compute_subscript_distance.
4122 (compute_self_dependence): Save the dist and dir vectors. Call
4123 compute_subscript_distance.
4124 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4125 (compute_all_dependences): Reorder parameters as they were before
4126 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4127 compute_subscript_distance. Update the use of
4128 compute_affine_dependence and initialize_data_dependence_relation.
4129 (find_data_references_in_loop): Handle COMPONENT_REF.
4130 (compute_data_dependences_for_loop): Initialize dependence_stats.
4131 Don't call build_classic_dist_vector and build_classic_dir_vector.
4132 Update the parameters of initialize_data_dependence_relation and
4133 compute_all_dependences. Print the statistics from datadep_stats.
4134 (analyze_all_data_dependences): Static. Not used until the pass for
4135 checking the data dependences is contributed.
4136 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4137 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4138 (initialize_data_dependence_relation, compute_affine_dependence,
4139 analyze_all_data_dependences, compute_subscript_distance): Removed.
4140 (print_direction_vector): New.
4141 * lambda.h (gcd): ... here.
4142 (lambda_vector_gcd): Moved here from gcd_vector.
4143 * lambda-code.c (gcd, gcd_vector): Removed.
4144 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4145 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4147 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4149 * ipa-type-escape.c: Tidy some comments and white space.
4150 * tree-ssa-operands.c: Likewise.
4152 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4155 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4156 (dump_decl_name): Do not walk the decl tree chains.
4157 * tree-pass.h (TDF_CHAIN): Remove.
4159 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4161 * Makefile.in (C): Remove
4163 (.PHONY): Remove C and PROTO
4165 2006-02-20 Roger Sayle <roger@eyesopen.com>
4168 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
4169 deprecated CHAR_TYPE tree code.
4171 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4173 * configure.ac (target_list): Add install-info, dvi, html.
4174 * configure: Regenerate.
4176 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
4177 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
4178 treelang/Make-lang.in: Do not use double-colon rules.
4180 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
4182 * tree.h (struct tree_memory_tag): Add is_used_alone member.
4183 (TMT_USED_ALONE): New macro.
4184 * tree-pass.h (PROP_tmt_usage): New property.
4185 (TODO_update_tmt_usage): New todo.
4186 * tree-ssa-alias.c (updating_used_alone): New variable.
4187 (recalculate_used_alone): New function.
4188 (compute_may_aliases): Set updating_used_alone, call
4189 recalculate_used_alone.
4190 * tree-sra.c (pass_sra): Note that this pass destroys
4191 PROP_tmt_usage, and add TODO_update_tmt_usage.
4192 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
4193 * tree-flow.h (updating_used_alone): Prototype.
4194 (recalculate_used_alone): Ditto.
4195 * passes.c (execute_todo): Add code to set updating_used_alone,
4196 and call recalculate.
4197 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
4198 for clobber if used alone, and add assert to verify used_alone
4201 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
4203 * config/s390/s390.c (legitimize_pic_address): Assertions checking
4204 for non tls symbols added.
4205 (legitimize_address): Do nothing for PLUS expressions if one of the
4206 addends is a tls symbol reference.
4208 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
4212 * Makefile.in (LDFLAGS): Define from autoconf substitution.
4214 * Makefile.in (BOOTSTRAPPING): New.
4215 (quickstrap): New definition if BOOTSTRAPPING=yes.
4217 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
4218 * configure.ac: Substitute all_selected_languages with the languages
4219 that were configured. For all the other variables except
4220 lang_specs_files, include all the languages in the tree.
4221 * configure: Regenerate.
4223 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
4224 if there is one. Run the commands to run fixincludes in the same
4227 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
4228 * doc/install.texi: Document exact conventions for searching target tools.
4229 Document --with-build-time-tools. Document toplevel bootstrap. Document
4230 something more about building an Ada cross-compiler. Don't list GNU Make
4231 requirements which affect all platforms.
4233 2006-02-19 Roger Sayle <roger@eyesopen.com>
4236 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
4237 only equivalent if the have both the same mode and precision.
4239 2006-02-20 Ben Elliston <bje@au.ibm.com>
4241 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
4243 2006-02-19 Roger Sayle <roger@eyesopen.com>
4244 Steven Bosscher <stevenb.gcc@gmail.com>
4246 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
4247 constant pool references to identify stack mode constants.
4248 * rtlanal.c (constant_pool_constant_p): New predicate to check
4249 whether operand is a floating point constant in the pool.
4250 * rtl.h (constant_pool_constant_p): Prototype here.
4251 * loop.c (scan_loop): Avoid hoisting constants from the constant
4252 pool on STACK_REGS targets.
4253 (load_mems): Likewise.
4254 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
4255 loads into x87 registers expensive in terms of register pressure.
4257 2006-02-19 Roger Sayle <roger@eyesopen.com>
4259 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
4260 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
4262 2006-02-19 David Edelsohn <edelsohn@gnu.org>
4264 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4265 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
4267 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
4269 * doc/invoke.texi: Document -fipa-pta.
4270 * common.opt: Add ipa-pta option.
4271 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
4272 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
4273 (do_ds_constraint): Ditto.
4274 (get_constraint_for): Only add to referenced_vars if
4275 referenced_vars exists.
4276 (insert_into_field_list): Rewrite to do this unsorted.
4277 (insert_into_field_list_sorted): Rename old insert_into_field_list
4279 (create_function_info_for): Use insert_into_field_list_sorted.
4280 (create_variable_info_for): Rewrite so it uses unsorted version,
4281 since the field list is sorted.
4282 (intra_create_variable_infos): Only add to referenced_vars if
4283 referenced_vars exists.
4284 (ipa_pta_execute): Init heapvars, and delete when done.
4285 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
4287 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4289 * doc/install.texi: Add missing `@samp'.
4291 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4293 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
4296 2006-02-18 Mark Wielaard <mark@klomp.org>
4298 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
4299 who added new 4.1 features, bug fixes and integration support.
4301 2006-02-18 David Edelsohn <edelsohn@gnu.org>
4304 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
4307 2006-02-18 Richard Sandiford <richard@codesourcery.com>
4309 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
4310 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
4311 (copy_insn_1): Likewise. Don't copy each field individually.
4313 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
4315 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
4316 * rtl.c (rtx_size): Rename variable to...
4317 (rtx_code_size): ...this.
4318 (rtx_size): New function.
4319 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4320 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4322 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4323 * rtl.h (rtx_code_size): New variable.
4324 (rtx_size): Change from a variable to a function.
4325 (RTX_SIZE): Rename to...
4326 (RTX_CODE_SIZE): ...this.
4329 PR tree-optimization/17106
4330 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4331 (Anchored Addresses): New section.
4332 * doc/invoke.texi (-fsection-anchors): Document.
4333 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4334 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4335 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4336 * hooks.c (hook_bool_mode_rtx_false): New function.
4337 * hooks.h (hook_bool_mode_rtx_false): Declare.
4338 * gengtype.c (create_optional_field): New function.
4339 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4340 SYMBOL_REF_IN_BLOCK_P is true.
4341 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4342 (min_anchor_offset, max_anchor_offset): Likewise.
4343 (use_anchors_for_symbol_p): New hook.
4344 * toplev.c (compile_file): Call output_object_blocks.
4345 (target_supports_section_anchors_p): New function.
4346 (process_options): Check that -fsection-anchors is only used on
4347 targets that support it and when -funit-at-a-time is in effect.
4348 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4349 if the decl doesn't have one.
4350 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4351 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4352 of force_const_mem through use_anchored_address.
4353 (expand_expr_constant): New function.
4354 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4355 calling expand_expr for INDIRECT_REF.
4356 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4357 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4358 * expr.h (use_anchored_address): Declare.
4359 * loop-unroll.c: Don't declare rtx vectors here.
4360 * explow.c: Include output.h.
4361 (validize_mem): Call use_anchored_address.
4362 (use_anchored_address): New function.
4363 * common.opt (-fsection-anchors): New switch.
4364 * varasm.c (object_block_htab, anchor_labelno): New variables.
4365 (hash_section, object_block_entry_eq, object_block_entry_hash)
4366 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4367 (use_blocks_for_decl_p, change_symbol_section): New functions.
4368 (get_variable_section): New function, split out from assemble_variable.
4369 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4370 use_blocks_for_decl_p say so. Use change_symbol_section if the
4371 symbol has already been created.
4372 (assemble_variable_contents): New function, split out from...
4373 (assemble_variable): ...here. Don't output any code for
4374 block symbols; just pass them to place_block_symbol.
4375 Use get_variable_section and assemble_variable_contents.
4376 (get_constant_alignment, get_constant_section, get_constant_size): New
4377 functions, split from output_constant_def_contents.
4378 (build_constant_desc): Create a block symbol if use_object_blocks_p
4379 says so. Or into SYMBOL_REF_FLAGS.
4380 (assemble_constant_contents): New function, split from...
4381 (output_constant_def_contents): ...here. Don't output any code
4382 for block symbols; just pass them to place_section_symbol.
4383 Use get_constant_section and get_constant_alignment.
4384 (force_const_mem): Create a block symbol if use_object_blocks_p and
4385 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4386 (output_constant_pool_1): Add an explicit alignment argument.
4387 Don't switch sections here.
4388 (output_constant_pool): Adjust call to output_constant_pool_1.
4389 Switch sections here instead. Don't output anything for block symbols;
4390 just pass them to place_block_symbol.
4391 (init_varasm_once): Initialize object_block_htab.
4392 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4393 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4394 (place_block_symbol, get_section_anchor, output_object_block)
4395 (output_object_block_htab, output_object_blocks): New functions.
4396 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4397 (TARGET_ASM_OUT): Include it.
4398 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4399 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4400 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4401 (TARGET_INITIALIZER): Include them.
4402 * rtl.c (rtl_check_failed_block_symbol): New function.
4403 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4404 (block_symbol, object_block): New structures.
4405 (rtx_def): Add a block_symbol field to the union.
4406 (BLOCK_SYMBOL_CHECK): New macro.
4407 (rtl_check_failed_block_symbol): Declare.
4408 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4409 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4410 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4411 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4412 * output.h (output_section_symbols): Declare.
4413 (object_block): Name structure.
4414 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4415 (default_use_anchors_for_symbol_p): Declare.
4416 * Makefile.in (RTL_BASE_H): Add vec.h.
4417 (explow.o): Depend on output.h.
4418 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4419 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4420 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4421 (rs6000_use_blocks_for_constant_p): New function.
4423 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4425 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4427 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4430 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
4433 2006-02-18 Diego Novillo <dnovillo@redhat.com>
4435 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
4439 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4442 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
4443 instead of DECL_REGISTER.
4445 2006-02-18 Olivier Hainque <hainque@adacore.com>
4448 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4450 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4453 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4454 * opth-gen.awk: Handle Var and InverseMask together.
4455 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4456 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4457 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4458 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4460 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4461 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4462 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4463 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4464 LINUX_DYNAMIC_LINKER): Define.
4465 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4466 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4468 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4469 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4470 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4471 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4472 (TARGET_C99_FUNCTIONS): Don't define.
4473 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4474 GLIBC_DYNAMIC_LINKER.
4475 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4476 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4477 GLIBC_DYNAMIC_LINKER64): Define.
4478 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4479 LINUX_DYNAMIC_LINKER64.
4480 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4481 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4482 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4483 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4484 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4485 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4486 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4487 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4488 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4489 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4490 and LINUX_DYNAMIC_LINKER32.
4491 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4492 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4493 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4494 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4495 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4497 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4498 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4499 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4500 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4501 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4502 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4503 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4504 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4505 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4506 LINUX_DYNAMIC_LINKER): Define.
4507 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4508 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4509 GLIBC_DYNAMIC_LINKER64): Define.
4510 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4511 LINUX_DYNAMIC_LINKER64.
4512 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4513 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4514 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4515 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4516 LINUX_DYNAMIC_LINKER): Define.
4517 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4518 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4519 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4520 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4521 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4522 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4523 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4524 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4525 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4526 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4527 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4528 * doc/invoke.texi (-muclibc): Remove caveat about supported
4531 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4533 * doc/cpp.texi (__TIMESTAMP__): Document.
4535 2006-02-17 Roger Sayle <roger@eyesopen.com>
4538 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4539 C is one less than the width of X (and related transformations).
4540 * simplify-rtx.c (simplify_unary_operation_1): Transform
4541 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4542 depending on STORE_FLAG_VALUE, were C is one less then the
4545 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4547 Fix PR tree-optimization/26341
4548 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4549 about NAME_MEMORY_TAG's.
4551 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4554 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4555 with hardware float support, and software float support. Add fcpy
4556 alternative to hardware patterns. Add alternatives to copy between
4557 general and floating-point registers to the 32-bit pattern.
4558 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4559 secondary reload to load a QI or HI mode constant into a floating
4561 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4562 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4564 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4567 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4569 (load_macho_picbase_di): Likewise.
4571 2006-02-16 Jeff Law <law@redhat.com>
4573 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4574 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4575 (ssa_name_nonzero_p): Likewise.
4576 (get_value_range): Return NULL if VRP is not running.
4577 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4578 VRP routines do not discover a range.
4579 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4580 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4581 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4582 (tree_expr_nonnegative_p): Similarly.
4583 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4584 (restore_nonzero_vars_to_original_value): Remove.
4585 (unsafe_associative_fp_binop): Remove.
4586 (tree_ssa_dominator_optimize): Remove initialization and
4587 finalization of nonzero_vars and nonzero_vars_stack.
4588 (dom_opt_initialize_block): No longer push marker on
4590 (dom_opt_finalize_block): No longer call
4591 restore_nonzero_vars_to_original_value.
4592 (record_equivalences_from_phis): No longer look for
4593 nonzero PHI arguments.
4594 (cprop_into_successor_phis): No longer propagate nonzero
4595 property into PHI arguments. Lose unused argument. Caller
4597 (record_equivalences_from_stmt): No longer record nonzero
4598 values for SSA_NAMEs.
4599 (lookup_avail_expr): No longer use nonzero_vars.
4601 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4602 for sizetype when sizetype is unsigned.
4604 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4606 PR rtl-optimization/25603
4607 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4608 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4609 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4610 with new meaning of SETS.
4612 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4617 * config/linux.opt: New file.
4618 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4619 LINUX_DYNAMIC_LINKER): Define.
4620 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4621 * config.gcc (*-*-linux*): Define extra_options.
4622 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4623 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4624 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4625 GLIBC_DYNAMIC_LINKER.
4626 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4627 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4628 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4629 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4630 * doc/invoke.texi (GNU/Linux Options): New section.
4632 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4634 * config/sparc/sparc.md (setjmp): Rewrite.
4635 (setjmp_32): Delete.
4636 (setjmp_64): Likewise.
4638 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4640 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4643 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4645 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4648 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4650 PR rtl-optimization/26296
4651 * Makefile.in (loop-invariant.c): Add except.h dependency.
4652 * loop-invariant.c: Include except.h.
4653 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4655 2005-02-16 Paul Brook <paul@codesourcery.com>
4657 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4660 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4662 PR rtl-optimization/25636
4663 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4664 when deciding whether an insn is an initializing insn.
4666 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4668 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4669 (tree_code_size): Ditto.
4670 * tree.h (struct tree_memory_tag): Remove parent_var.
4671 (struct tree_struct_field_tag): New.
4674 (union tree_node): Add sft member.
4675 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4677 (create_sft): Add size and offset argument, set SFT_OFFSET and
4679 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4680 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4681 * tree-flow-inline.h (get_subvar_at): Update for
4682 SFT_OFFSET/SFT_SIZE.
4683 (var_can_have_subvars): Ditto.
4684 (overlap_subvar): Ditto.
4685 * print-tree.c (print_node): Print out interesting things for
4687 * tree-flow.h (struct subvar): Remove offset and size members.
4688 * tree-ssa-operands.c (get_expr_operands): Update for
4689 get_indirect_ref_operands changes.
4690 (get_indirect_ref_operands): Call add_virtual_operand instead of
4691 add_stmt_operand. Only recurse on base var if requested.
4692 (access_can_touch_variable): New function.
4693 (add_stmt_operand): Split virtual operand handling into ...
4694 (add_virtual_operand): Here. Add offset, size, and for_clobber
4695 arguments. Prune alias sets.
4696 (add_call_clobber_ops): Call add_virtual_operand.
4698 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4701 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4703 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4704 than TREE_CODE as index into omp_clause_num_ops array.
4706 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4708 PR rtl-optimization/26184
4709 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4711 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4712 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4713 must_precede, must_follow and tobe_scheduled.
4716 * opts.c (common_handle_option): Free new_option pointer.
4717 * df-core.c (df_analyze): Free postorder pointer.
4719 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4721 * Makefile.in: Fix the examples about the use of stamps
4723 2006-02-15 Michael Matz <matz@suse.de>
4727 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4728 influenced by maximum_field_alignment or DECL_PACKED.
4729 (update_alignment_for_field): Ditto.
4730 (place_field): Ditto.
4731 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4734 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4736 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4737 (debug_flow_info): Pass it.
4738 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4739 * bb-reorder.c (reorder_basic_blocks): Likewise.
4740 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4741 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4742 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4743 * gcse.c (gcse_main, bypass_jumps): Likewise.
4744 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4745 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4746 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4747 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4748 * rtl.h (dump_flow_info): Adjust prototype.
4749 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4750 * var-tracking.c (variable_tracking_main): Likewise.
4751 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4752 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4755 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4757 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4760 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4762 PR tree-optimization/26209
4763 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4764 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4766 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4768 2006-02-14 Roger Sayle <roger@eyesopen.com>
4771 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4772 (X,Y) and the corresponding symmetry related transformations.
4773 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4774 (X,Y) and its symmetry related transformations.
4776 2006-02-14 Roger Sayle <roger@eyesopen.com>
4778 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4781 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4783 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4785 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4788 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4789 support COMDAT group.
4790 * configure: Regenerate.
4792 2006-02-14 Roger Sayle <roger@eyesopen.com>
4797 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4799 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4801 Fix PR tree-optimization/26260
4803 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4805 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4806 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4807 * tree-ssa-structalias.c (create_variable_info_for): Use
4808 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4810 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4812 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4814 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4815 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4816 of the ending condition.
4817 * tree-ssa-loop-manip.c: Include params.h.
4818 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4819 tree_unroll_loop): New functions.
4820 * tree-pass.h (pass_loop_prefetch): Declare.
4821 * loop.c (rest_of_handle_loop_optimize): Test for
4822 -fprefetch-loop-arrays-rtl.
4823 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4824 * timevar.def (TV_TREE_PREFETCH): New timevar.
4825 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4826 pass_loop_prefetch): New.
4827 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4828 (cleanup_tree_cfg_loop): Call scev_reset.
4829 * common.opt (fprefetch-loop-arrays-rtl): Add.
4830 * tree-ssa-loop-prefetch.c: New file.
4831 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4832 (new_temp_expr_table): Initialize expr_vars.
4833 (free_temp_expr_table): Cleanup expr_vars.
4834 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4835 expressions from being merged into one.
4836 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4837 (struct tree_niter_desc): Add control, bound and cmp fields.
4838 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4840 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4841 (tree-cfgcleanup.o): Add SCEV_H dependency.
4842 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4843 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4845 2006-02-14 Richard Guenther <rguenther@suse.de>
4847 PR tree-optimization/26258
4848 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4849 in PHI argument processing.
4851 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4853 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4854 new expression in the requested machine mode.
4856 2006-02-13 Roger Sayle <roger@eyesopen.com>
4858 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4859 directly, instead let do_compare_rtx_and_jump handle this for us.
4860 * expr.c (expand_expr_real_1): Likewise.
4861 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4862 before do_jump_by_parts_greater.
4863 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4864 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4866 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4868 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4870 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4872 PR rtl-optimization/26235
4873 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4874 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4877 2006-02-13 Jeff Law <law@redhat.com>
4879 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4882 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4885 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4886 twice if decl is a builtin. When trying again, call get_callee_fndecl
4887 first to verify it is still a builtin.
4889 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4891 * dwarf2out.c (base_type_die): Don't add AT_name here.
4892 (subrange_type_die): Don't add AT_name here.
4893 (modified_type_die): Rearrange code flow. Do add AT_name here.
4895 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4897 PR rtl-optimization/26247
4898 PR rtl-optimization/26248
4899 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4901 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4903 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4904 * config/fixtfdi.c: Likewise.
4905 * config/fixunstfdi.c: Likewise.
4906 * config/floatditf.c: Likewise.
4908 2006-02-13 Roger Sayle <roger@eyesopen.com>
4911 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4912 into (X,C2) if C1 is a subset of the bits of C2. Transform
4913 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4915 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4917 2006-02-13 Josh Conner <jconner@apple.com>
4920 * varasm.c (function_section): Check for section name before
4921 calling select_section on targets that define
4922 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4923 unlikely_text_section instead of hot_function_section if
4924 first_function_block_is_cold.
4926 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4929 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4931 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4933 PR rtl-optimization/26222
4934 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4935 after tree->rtl expansion.
4936 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4937 before passing it to emit_move_insn.
4939 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4941 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4943 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4944 Clarify documentation.
4945 * c-common.h (warn_write_strings): Remove.
4946 * c-common.c (warn_write_strings): Likewise.
4947 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4950 2006-02-12 Roger Sayle <roger@eyesopen.com>
4953 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4954 (do_jump_parts_zero_rtx): New function renamed from
4955 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4956 (do_jump_parts_equality_rtx): New function split out from
4957 do_jump_parts_equality. Old implementation renamed as above.
4958 Call do_jump_parts_zero_rtx if either operand is zero.
4959 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4960 do all of the heavy lifting.
4961 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4962 calling either do_jump_by_parts_greater_rtx or
4963 do_jump_by_parts_equality_rtx.
4964 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4965 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4966 moved to do_compare_rtx_and_jump, call it directly.
4967 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4968 mode argument. Call do_compare_rtx_and_jump.
4969 (emit_case_nodes): Update calls to do_jump_if_equal.
4971 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4973 PR rtl-optimization/26225
4974 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4976 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4978 PR rtl-optimization/26232
4979 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4981 2006-02-11 Jason Merrill <jason@redhat.com>
4984 * tree-inline.c (declare_return_variable): Just don't use the
4985 modify target if it's a gimple complex reg and the return slot
4988 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4990 * doc/contrib.texi: Update my entry.
4992 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4994 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4996 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4998 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5001 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5003 * doc/invoke.texi (-floop-optimize2): Removed.
5004 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5005 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5006 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5007 * common.opt (floop-optimize2): Removed.
5008 (fmove-loop-invariants): Enabled by default.
5010 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5012 * tree-if-conv.c (combine_blocks): Free the result of
5013 get_loop_exit_edges.
5015 2006-02-10 Jeff Law <law@redhat.com>
5017 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5019 PR tree-optimization/26213
5020 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5021 loop trying to follow SSA_NAME_VALUE chains.
5023 2006-02-10 Richard Guenther <rguenther@suse.de>
5025 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5026 deal with structures that end in implicitly variable sized arrays.
5028 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5030 PR rtl-optimization/24762
5031 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5034 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5036 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5037 (struct ivopts_data): Add regs_used field.
5038 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5039 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5040 instead of loop_data->regs_used;
5041 (free_loop_data): Do not free aux fields for loops.
5042 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5043 and tree_ssa_iv_optimize_finalize.
5045 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5047 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5049 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5052 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5053 computing the effective result type.
5055 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5058 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5059 (tree_overlaps_hard_reg_set): Declare.
5060 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5061 type and signature to match function type expected by walk_tree.
5062 (tree_overlaps_hard_reg_set): New function.
5063 (decl_conflicts_with_clobbers_p): Rename to:
5064 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5065 Use tree_overlaps_hard_reg_set. Changed caller.
5066 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5067 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5068 * cris.c (cris_md_asm_clobbers): Likewise.
5070 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5072 * reload1.c (emit_input_reload_insns): Delete code that tries to
5073 inherit using find_equiv_reg.
5075 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5077 * c-common.h (flag_const_strings): Don't declare.
5078 * c-common.c (flag_const_strings): Remove.
5079 * c.opt (fconst_strings): Remove.
5080 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5081 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5082 (c_common_init_options): Don't set flag_const_strings.
5083 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5085 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5087 * arm.md (tlobits_cbranch): New pattern.
5088 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5089 testing a single bit.
5091 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5094 * tree-ssa-pre.c (create_component_ref_by_pieces):
5095 Handle RETURN_DECL like VAR_DECL.
5097 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5100 * fold-const.c (fold_indirect_ref_1): Fold
5101 "*(foo *)&complexfoo" to "__real__ complexfoo"
5102 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5104 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5106 * tree-flow-inline.h (var_can_have_subvars):
5107 Volatile variables should not have subvariables.
5109 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5112 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5113 multiplying unsigned values.
5116 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5118 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5120 2006-02-08 Jason Merrill <jason@redhat.com>
5123 * tree.def: Elaborate on difference from MODIFY_EXPR.
5124 * doc/c-tree.texi (INIT_EXPR): Likewise.
5125 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5126 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5127 (gimplify_target_expr): Likewise.
5128 (gimplify_cond_expr): Remove target handling.
5129 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5130 (gimplify_expr): Clobber it here.
5131 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5132 Do return slot optimization if we have an INIT_EXPR.
5135 * tree-inline.c (declare_return_variable): Also clear
5136 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5139 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5142 * gimplify.c (gimplify_one_sizepos): Fix typo.
5144 2006-02-08 Jeff Law <law@redhat.com>
5146 PR tree-optimization/21417
5147 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5148 across a backedge if the control statement at the end of the
5149 block is data dependent on other statements in the same block.
5150 (record_temporary_equivalences_from_stmts): Remove over-conservative
5151 test for threading across backedges.
5153 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5154 control statement, handle all three special cases in the same
5155 manner as they all have the same desired solution. No longer
5156 special case edge flag updating when the post dominator is
5159 2006-02-08 Roger Sayle <roger@eyesopen.com>
5161 * tree.def (CHAR_TYPE): Remove.
5162 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
5163 * dwarf2out.c (base_type_die, is_base_type): Likewise.
5164 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
5165 (gen_string_type_die): Delete unreachable function.
5167 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
5168 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
5169 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
5170 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
5171 * builtins.c (type_to_class): Likewise.
5172 * fold-const.c (fold_convert, build_range_check,
5173 merge_ranges): Likewise.
5174 * expr.c (count_type_elements): Likewise.
5175 * c-pretty-print.c (pp_c_type_specifier): Likewise.
5176 * stor-layout.c (layout_type): Likewise.
5177 * ipa-type-escape.c (type_to_consider): Likewise.
5178 * gimplify.c (omp_firstprivatize_type_sizes,
5179 gimplify_type_sizes): Likewise.
5180 * explow.c (promote_mode): Likewise.
5181 * tree-sra.c (is_sra_scalar_type): Likewise.
5182 * varasm.c (output_constant): Likewise.
5183 * tree-inline.c (remap_type_1): Likewise.
5184 * convert.c (convert_to_pointer, convert_to_real,
5185 convert_to_integer, convert_to_complex): Likewise.
5187 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
5189 * df-scan.c (df_def_record_1): A set destination may
5190 be a parallel regardless of mode.
5192 2006-02-08 Roger Sayle <roger@eyesopen.com>
5195 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
5196 * config/mips/_tilib.c: Remove.
5197 * config/fixtfdi.c: New libgcc source file.
5198 * config/fixunstfdi.c: New source file.
5199 * config/floatditf.c: New source file.
5200 * config/floatunditf.c: New souce file.
5201 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5202 files above instead of config/mips/_tilib.c.
5203 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5205 2006-02-08 Jeff Law <law@redhat.com>
5207 PR tree-optimization/26169
5208 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
5211 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
5213 * df.h (DF_REG_SIZE): Return the length of the initialized
5216 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
5218 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
5219 __muldf3): Return a correctly signed zero.
5221 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
5223 * passes.c (register_one_dump_file): Accept the current properties
5224 instead of pass number. Adjust call to dump_register. Remove
5226 (register_dump_files): Now a wrapper around...
5227 (register_dump_files_1): ... this one. Do not modify the pass
5229 (next_pass_1): Cosmetic fix.
5230 (execute_todo): Keep second parameter only. Use curr_properties
5231 instead of fetching it from the pass structure. Check and set
5233 (execute_one_pass): Handle TODO_set_props. Use curr_properties
5234 instead of fetching it from the pass structure. Fix calls to
5235 execute_todo. Update curr_properties and initialize .vcg RTL dump
5236 after running the pass. Reset last_verified.
5237 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
5239 (FIRST_AUTO_NUMBERED_DUMP): New.
5240 (dump_register): Remove "num" parameter, assign it within the
5242 (get_dump_file_name): Modify template for dumps.
5243 * tree-dump.h (dump_register): Adjust prototype.
5244 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
5245 (PROP_trees): Add PROP_gimple_lomp.
5246 (TODO_set_props): New.
5247 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
5248 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
5249 * cfgexpand.c (pass_expand): Destroy PROP_trees.
5251 2006-02-08 Jakub Jelinek <jakub@redhat.com>
5253 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
5254 (sparc64-*-linux*): Likewise.
5255 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
5256 * config/sparc/t-linux: New file.
5257 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
5258 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
5259 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
5260 -m32 -mlong-double-128.
5262 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
5263 * config/alpha/t-linux: New file.
5264 * config/alpha/libgcc-alpha-ldbl.ver: New file.
5266 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
5267 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
5268 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
5269 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
5270 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
5271 (CPP_ARCH32_SPEC): Remove.
5273 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
5275 PR tree-optimization/26145
5276 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
5279 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5282 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
5283 >= 240000 when generating code for SOM runtime.
5284 (output_indirect_call): Don't use "b,l" instruction for indirect calls
5285 to $$dyncall when generating code for SOM runtime..
5287 2006-02-07 Dirk Mueller <dmueller@suse.com>
5290 * doc/invoke.texi (-Wsequence-point): Update documentation
5291 that -Wsequence-point is implemented for C++ as well.
5293 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5295 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
5296 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
5297 (LIB_SPEC): Likewise.
5298 * doc/invoke.texi (SPARC options): Document -pthread.
5300 2006-02-07 Geoffrey Keating <geoffk@apple.com>
5302 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
5305 2006-02-07 Roger Sayle <roger@eyesopen.com>
5307 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
5308 Correct comment describing BOOLEAN_TYPE.
5310 2006-02-07 Dirk Mueller <dmueller@suse.com>
5312 * c.opt: C++ frontend supports -Wdiv-by-zero.
5313 * c-opts.c (c_common_handle_option): Remove dead case.
5315 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5317 * configure.ac (TLS assembler check): Do not enable TLS by
5318 default on SPARC/Solaris before version 10.
5319 * configure: Regenerate.
5321 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5323 * doc/invoke.texi (xl-compat): Document conversion and support
5326 2006-02-07 Jeff Law <law@redhat.com>
5328 * tree-vrp.c (find_conditional_asserts): Update comments.
5329 (simplify_stmt_for_jump_threading): New.
5330 (identify_jump_threads, finalize_jump_threads): New.
5331 (vrp_finalize): Call identify_jump_threads.
5332 (execute_vrp): Call finalize_jump_threads.
5333 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5334 (vrp_element, vrp_data, vrp_element_p): Remove.
5335 (vrp_hash_elt, vrp_variables_stack): Remove.
5336 (vrp_hash, vrp_eq, record_range): Remove.
5337 (simplify_cond_and_lookup_avail_expr): Remove.
5338 (extract_range_from_cond): Remove.
5339 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5340 (simplify_stmt_for_jump_threading): New.
5341 (dom_thread_across_edge): New wrapper.
5342 (tree_ssa_dominator_optimize): No longer initialize or
5343 finalize any of the VRP datastructures. Remove iteration
5344 step and simplify as a result of removal of iteration step.
5345 (pass_dominator): Perform a cfg cleanup after DOM.
5346 (dom_opt_finalize_block): Use the new common routines
5347 for threading jumps. Simplify stack management slightly.
5348 No longer need to unwind VRP state.
5349 (record_equivalences_from_incoming_edge): No longer record
5351 (eliminate_redundant_computations): No longer call
5352 simplify_cond_and_lookup_avail_expr.
5353 * tree-flow.h (potentially_threadable_block): Prototype.
5354 (thread_across_edge): Likewise.
5355 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5356 (tree-ssa-threadedge.o): Add dependencies.
5357 * tree-ssa-threadedge.c: New file.
5358 * passes.c (init_optimization_passes): Merge PHIs before
5359 calling VRP. Run VRP again late in the SSA optimization pipeline.
5361 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5363 * df-core.c (df_set_blocks): Do not dereference function pointers.
5364 (df_finish1): Likewise.
5365 (df_hybrid_search_forward): Likewise.
5366 (df_hybrid_search_backward): Likewise.
5367 (df_iterative_dataflow): Likewise.
5368 (df_analyze_problem): Likewise.
5369 (df_compact_blocks): Likewise.
5370 (df_dump): Likewise.
5371 * df-scan.c (df_rescan_blocks): Likewise.
5372 (df_record_entry_block_defs): Likewise.
5374 * genconditions.c (write_conditions): Guard the definition of
5375 'insn_conditions' with the check on GCC version.
5376 (write_writer): Guard the traversal 'insn_conditions' with
5377 the check on GCC version.
5379 2006-02-07 Richard Guenther <rguenther@suse.de>
5383 2006-01-30 Richard Guenther <rguenther@suse.de>
5385 * gimplify.c (gimplify_target_expr): Handle easy cases
5386 without creating a temporary.
5388 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5390 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5391 use of float in probability computations. Use edge probabilities
5392 in place of statically computed probabilities.
5393 (min_spec_prob): New static variable.
5394 (schedule_insns): Initialize it.
5395 (GET_SRC_PROB): Removed.
5396 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5398 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5401 * config/ia64/unwind-ia64.c: Revert last change.
5402 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5403 (INCOMING_FRAME_SP_OFFSET): Define.
5405 2006-02-06 Roger Sayle <roger@eyesopen.com>
5407 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5409 2006-02-07 Ben Elliston <bje@au.ibm.com>
5411 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5412 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5413 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5414 (ix86_return_in_memory): Handle TDmode.
5415 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5416 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5418 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5420 * reorg.c (dbr_schedule): Use dump_file instead of file.
5422 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5425 * config/ia64/predicates.md (extr_len_operand): New predicate.
5426 * config/ia64/ia64.md (extv): Tighten constraints.
5428 (*tbit_and_2): Ditto.
5429 (*tbit_and_3): Ditto.
5430 (*tbit_or_2): Ditto.
5431 (*tbit_or_3): Ditto.
5435 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
5438 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
5440 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5442 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
5443 loop_optimizer_init and loop_optimizer_finalize
5444 * tree-ssa-sink.c (execute_sink_code): Ditto.
5445 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5446 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5447 tree_ssa_loop_done): Ditto.
5448 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5449 * sched-ebb.c: Include output.h.
5450 (schedule_ebbs): Do not use dump argument.
5451 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5452 * loop.c (loop_dump_stream): Removed.
5453 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5455 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5456 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5457 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5458 loop_iterations, strength_reduce, record_biv, record_giv,
5459 final_giv_value, check_final_value, check_ext_dependent_givs,
5460 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5461 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5462 dump_file instead of loop_dump_stream.
5463 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5465 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5467 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5468 * haifa-sched.c: Include output.h
5469 (schedule_insns, sched_init): Do not use dump argument.
5470 * mode-switching.c (optimize_mode_switching): Ditto.
5471 * modulo-sched.c (stats_file): Removed.
5472 (print_node_sched_params): Do not call argument dump_file.
5473 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5474 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5476 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5478 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5479 rtl_loop_init, rtl_loop_done): Ditto.
5480 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5481 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5483 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5484 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5485 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5486 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5487 * emit-rtl.c (renumber_insns): Ditto.
5488 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5489 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5490 * regclass.c (regclass): Ditto.
5491 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5492 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5493 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5494 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5496 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5497 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5499 * gcse.c (gcse_file, debug_stderr): Removed.
5500 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5501 rest_of_handle_gcse): Do not use dump argument.
5502 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5503 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5504 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5505 compute_code_hoist_vbeinout, compute_code_hoist_data,
5506 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5507 compute_store_table, build_store_vectors, insert_insn_start_bb,
5508 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5509 store_motion): Use dump_file instead of gcse_file.
5510 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5511 * profile.c (profile_dump_file): Removed.
5512 (branch_prob): Use dump_file instead of profile_dump_file.
5513 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5515 * tree-ssa-copy.c (dump_copy_of): Ditto.
5516 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5517 dump file to life_analysis.
5518 * bt-load.c (branch_target_load_optimize): Ditto.
5519 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5521 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5522 regclass, dbr_schedule): Declaration changed.
5523 * sched-int.h (sched_init): Declaration changed.
5524 * tree-profile.c (tree_profile_dump_file): Removed.
5525 (tree_profile_hooks): Removed profile_dump_file hook.
5526 * rtl-profile (rtl_profile_dump_file): Removed.
5527 (rtl_profile_hooks): emoved profile_dump_file hook.
5528 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5530 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5531 * tree-cfg.c (build_tree_cfg): Ditto.
5532 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5533 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5534 Declaration changed.
5535 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5536 life_analysis and schedule_insns.
5537 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5539 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5541 * config/mips/mips.c (mips_reorg): Ditto.
5542 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5545 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5547 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5548 (s390_mangle_fundamental_type): New.
5549 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5552 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5553 (alpha_mangle_fundamental_type): New.
5554 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5557 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5559 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5561 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5562 (sparc_mangle_fundamental_type): New.
5564 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5566 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5567 (s390x-*-linux*): Likewise.
5568 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5569 * config/s390/t-linux: New file.
5571 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5573 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5574 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5576 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5578 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5579 (ANTIC_SAFE_LOADS): New macro.
5580 (find_or_generate_expression): Add prototype.
5581 (set_contains_value): Allow null set for sake of not always having
5582 to allocate ANTIC_SAFE_LOADS.
5583 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5584 Allow COMPONENT_REF too.
5585 (valid_in_set): Allow COMPONENT_REF.
5586 Check ANTIC_SAFE_LOADS too.
5587 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5588 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5590 (can_PRE_operation): Add COMPONENT_REF.
5591 (create_component_ref_by_pieces): New function.
5592 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5593 (insert_aux): Move AGGREGATE_TYPE_P check here.
5594 (compute_avail): Set bb local stmt uids.
5595 (pass_pre): Use TODO_update_ssa_only_virtuals.
5597 2006-02-06 Ben Elliston <bje@au.ibm.com>
5599 * configure.ac: Unconditionally disable decimal float by default.
5600 * configure: Regenerate.
5602 2006-02-06 Ben Elliston <bje@au.ibm.com>
5604 * read-rtl.c (read_name): Terminate reading on EOF.
5606 2006-02-06 Ben Elliston <bje@au.ibm.com>
5608 * dfp.c (decimal_real_arithmetic): Change second argument type
5609 from int to enum tree_code. Do not always return true, but now
5610 return result of any call to decimal_do helper functions.
5611 * dfp.h (decimal_real_arithmetic): Update prototype.
5613 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5615 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5617 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5620 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5623 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5625 * tree-vrp.c (cfg_loops): Removed.
5626 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5627 Use current_loops instead of cfg_loops. Pass flags to
5628 loop_optimizer_init.
5629 * cfgloopmanip.c (fix_loop_structure): Update only available
5631 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5632 loop_optimizer_init.
5633 * modulo-sched.c (build_loops_structure): Removed.
5634 (sms_schedule): Use loop_optimizer_init.
5635 * loop-init.c (loop_optimizer_init): Use flags to determine
5636 which properties of loops to prepare.
5637 (rtl_loop_init): Pass flags to loop_optimizer_init.
5638 * tree-ssa-sink.c (execute_sink_code): Ditto.
5639 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5640 * tree-ssa-pre.c (init_pre): Ditto.
5641 * cfgloop.h (LOOPS_NORMAL): New.
5642 (loop_optimizer_init): Declaration changed.
5644 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5646 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5647 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5649 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5651 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5653 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5654 * pa/t-pa64: Delete quadlib.c rule.
5655 * pa/x-ada: Revert last change.
5656 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5658 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5660 PR rtl-optimization/26087
5661 * rtlanal.c (canonicalize_condition): Do not cross basic block
5664 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5667 * config/ia64/ia64.c: Include debug.h.
5668 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5669 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5670 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5671 (process_epilogue, process_set, process_for_unwind_directive):
5672 Output unwind info only if requested. Add CFA info if requested.
5673 Add new arguments as needed. Adjust callers.
5674 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5676 (DWARF2_FRAME_INFO): Define to zero.
5677 * config/ia64/unwind-ia64.c: Remove code that compensated for
5678 the CFA offset error fixed above.
5679 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5680 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5681 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5682 -funwind-tables and -fexceptions to enable frame info.
5683 (dwarf2out_frame_init): Define initial CFA even if
5684 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5685 DWARF2_UNWIND_INFO is nonzero, not just defined.
5686 (dwarf2out_frame_finish): Output non-EH call frame info only
5687 if DWARF2_FRAME_INFO is nonzero.
5688 (convert_cfa_to_loc_list,
5689 compute_frame_pointer_to_cfa_displacement): Define even if
5690 unwind info is not supported.
5691 (gen_subprogram_die): Use the above unconditionally. Remove
5692 legacy alternate code.
5693 * toplev.c (compile_file): Compile in call to
5694 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5695 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5697 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5698 Jakub Jelinek <jakub@redhat.com>
5700 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5701 IBM extended float format long double as "g" on powerpc*-linux.
5703 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5706 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5707 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5709 2006-02-03 Jason Merrill <jason@redhat.com>
5712 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5715 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5716 on the return slot if it's an NRV.
5718 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5720 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5721 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5722 rewrite_use): Do not handle USE_OUTER.
5723 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5724 add_iv_outer_candidates, may_replace_final_value,
5725 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5726 (find_interesting_uses_op): Functionality of
5727 find_interesting_uses_outer_or_nonlin moved here.
5728 (find_interesting_uses_outside): Use find_interesting_uses_op.
5730 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5733 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5735 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5736 Ulrich Weigand <uweigand@de.ibm.com>
5739 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5740 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5741 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5742 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5744 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5745 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5746 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5747 Define secondary reloads for TFmode moves.
5748 (constant_modes): Add TFmode.
5749 (NR_C_MODES): Set to 8.
5750 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5752 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5753 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5754 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5755 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5756 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5757 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5758 (FPR mode macro): Add TFmode.
5759 (DSF mode macro): New.
5760 (<de>, <dee> mode attributes): Removed.
5761 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5762 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5763 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5764 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5765 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5766 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5767 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5768 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5769 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5770 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5771 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5772 "*negabs<mode>2", "sqrt<mode>2"):
5773 Changed <de> to <xde>. R constraint replaced by <Rf>.
5774 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5776 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5777 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5778 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5780 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5781 "extenddftf2", "extendsftf2"): New expanders.
5782 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5783 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5784 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5785 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5787 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5788 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5789 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5790 __floatditf): Add a GCC_4.1.0 symbol version tag.
5791 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5794 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5797 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5798 Use targetm.binds_local_p instead of TREE_PUBLIC.
5800 2006-02-02 Roger Sayle <roger@eyesopen.com>
5802 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5803 on INTEGER_TYPEs to indicate that it denotes a character type.
5804 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5805 signed_char_type_node, unsigned_char_type_node and char_type_node.
5806 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5807 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5808 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5810 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5811 Daniel Berlin <dberlin@dberlin.org>
5813 * tree-tailcall.c (arg_needs_copy_p): New function.
5814 (eliminate_tail_call): Use arg_needs_copy_p.
5815 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5816 (add_virtual_phis): New function.
5818 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5820 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5821 #ignore instead of #scratch for %g7 .register directive.
5823 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5825 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5828 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5830 * flow.c (calculate_global_regs_live): Assert that there aren't any
5833 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5835 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5837 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5838 bsi_after_labels iterator.
5839 * tree-if-conv.c (find_phi_replacement_condition,
5840 replace_phi_with_cond_modify_expr): Likewise.
5841 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5842 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5844 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5846 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5848 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5851 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5852 array after growing it.
5854 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5857 * fold-const.c (fold_checksum_tree): Change type of buf.
5859 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5861 * reload.c (push_secondary_reload): Initialize t_icode.
5863 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5865 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5866 -msoft-float -mlong-double-128 only issue a warning, but don't
5867 swich to DFmode long double.
5869 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5871 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5872 has a constant equivalent, iterate over equivalents for arg0,
5873 calling simplify_relational_operation and if there's a result
5874 cheaper than X, apply fold_rtx and return the result.
5876 2006-02-01 Jan Hubicka <jh@suse.cz>
5878 * opts.c (no_unit_at_a_time_default): New global variable.
5879 (decode_options): Use it.
5880 * opts.h (no_unit_at_a_time_default): Declare.
5882 2006-02-01 Paul Brook <paul@codesourcery.com>
5884 * function.c (assign_parm_setup_reg): Use function argument promotion
5886 * expr.c (expand_expr_real_1): Use function argument promotion rules
5889 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5891 * gcc.c (process_command): Change j to 'unsigned int'.
5893 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5896 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5897 Use the corrected index for the character
5898 out of the string constant.
5900 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5902 * mode-switching.c (optimize_mode_switching): Fix size
5903 allocated for bb_info[n_entities].
5905 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5907 * gcc.c (main): Correct type that is allocated for
5908 explicit_link_files.
5910 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5912 * config/s390/s390.c (init_alignment_context): Set
5913 ALIAS_SET_MEMORY_BARRIER on the MEM.
5914 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5916 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5919 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5921 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5924 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5926 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5927 * regrename.c: Ditto.
5928 * tree-ssa-loop-im.c: Ditto.
5929 * tree-dump.c: Ditto.
5930 * tree-complex.c: Ditto.
5931 * genrecog.c: Ditto.
5932 * tree-ssa-threadupdate.c: Ditto.
5934 * java/class.c: Ditto.
5935 * java/jcf-parse.c: Ditto.
5936 * java/resource.c: Ditto.
5937 * java/except.c: Ditto.
5938 * java/jvspec.c: Ditto.
5939 * java/jcf-write.c: Ditto.
5940 * java/jcf-path.c: Ditto.
5941 * java/gjavah.c: Ditto.
5942 * java/zextract.c: Ditto.
5943 * java/jcf-io.c: Ditto.
5944 * java/jcf.h: Ditto.
5945 * java/buffer.c: Ditto.
5946 * java/lang.c: Ditto.
5947 * java/parse-scan.y: Ditto.
5948 * java/lex.c: Ditto.
5949 * java/lex.h: Ditto.
5950 * cfgloopmanip.c: Ditto.
5951 * postreload-gcse.c: Ditto.
5952 * tree-ssa-loop-manip.c: Ditto.
5953 * postreload.c: Ditto.
5954 * tree-ssa-loop-ch.c: Ditto.
5958 * diagnostic.c: Ditto.
5960 * genoutput.c: Ditto.
5962 * cfghooks.c: Ditto.
5963 * cfgloopanal.c: Ditto.
5964 * objc/objc-act.c: Ditto.
5966 * genextract.c: Ditto.
5967 * genautomata.c: Ditto.
5968 * pretty-print.c: Ditto.
5970 * cgraphunit.c: Ditto.
5973 * haifa-sched.c: Ditto.
5974 * dominance.c: Ditto.
5976 * tree-ssa-loop-ivopts.c: Ditto.
5978 * mode-switching.c: Ditto.
5979 * modulo-sched.c: Ditto.
5981 * ipa-pure-const.c: Ditto.
5983 * fix-header.c: Ditto.
5985 * tree-stdarg.c: Ditto.
5986 * ipa-utils.c: Ditto.
5987 * loop-init.c: Ditto.
5988 * ipa-inline.c: Ditto.
5991 * alloc-pool.c: Ditto.
5992 * dwarf2out.c: Ditto.
5994 * genattrtab.c: Ditto.
5995 * tree-ssa-loop-ivcanon.c: Ditto.
5999 * fortran/gfortranspec.c: Ditto.
6001 * local-alloc.c: Ditto.
6002 * langhooks.c: Ditto.
6003 * function.c: Ditto.
6004 * tree-vectorizer.c: Ditto.
6006 * ipa-type-escape.c: Ditto.
6008 * tree-if-conv.c: Ditto.
6011 * tree-data-ref.c: Ditto.
6012 * loop-unroll.c: Ditto.
6013 * treelang/treetree.c: Ditto.
6016 * ggc-common.c: Ditto.
6018 * coverage.c: Ditto.
6020 * tree-cfgcleanup.c: Ditto.
6021 * tree-ssa-pre.c: Ditto.
6022 * cfgcleanup.c: Ditto.
6023 * loop-invariant.c: Ditto.
6025 * ipa-prop.c: Ditto.
6026 * print-tree.c: Ditto.
6027 * conflict.c: Ditto.
6028 * ggc-page.c: Ditto.
6029 * sched-deps.c: Ditto.
6030 * regclass.c: Ditto.
6031 * tree-object-size.c: Ditto.
6033 * bb-reorder.c: Ditto.
6034 * resource.c: Ditto.
6035 * var-tracking.c: Ditto.
6037 * df-problems.c: Ditto.
6038 * reg-stack.c: Ditto.
6041 * sched-rgn.c: Ditto.
6042 * tree-ssa-structalias.c: Ditto.
6043 * tree-ssa-reassoc.c: Ditto.
6044 * config/darwin-c.c: Ditto.
6045 * config/darwin.c: Ditto.
6046 * config/arm/arm.c: Ditto.
6048 * collect2.c: Ditto.
6051 2006-01-31 Nicolas Pitre <nico@cam.org>
6053 * arm.md (smaxsi3): Make aware of smax_m1.
6056 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6058 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6060 2006-01-31 Richard Guenther <rguenther@suse.de>
6062 * doc/invoke.texi (-msselibm): Document.
6063 * target.h (expand_library_builtin): New target hook.
6064 * builtins.c (expand_builtin): Use expand_library_builtin.
6065 (default_expand_library_builtin): New function.
6066 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6067 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6068 (link_gcc_math_spec): Declare.
6069 (static_specs): Add link_gcc_math_spec.
6070 * expr.h (default_expand_library_builtin): Declare.
6071 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6072 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6073 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6074 * config/i386/i386.opt (msselibm): New target option.
6075 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6076 (ix86_init_sse_abi_builtins): New function.
6077 (ix86_expand_library_builtin): Likewise.
6078 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6079 (override_options): Handle error conditions wrt -msselibm.
6080 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6081 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6082 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6085 2006-01-31 Richard Guenther <rguenther@suse.de>
6086 Paolo Bonzini <bonzini@gnu.org>
6088 * doc/install.texi (--disable-libgcc-math): Document.
6090 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6092 * expr.h (expand_normal): new inline function.
6093 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6095 * dwarf2out.c: use it.
6100 * config/sparc/sparc.c: use it.
6101 * config/i386/i386.c: use it.
6102 * config/rs6000/rs6000.c: use it.
6103 * config/arm/arm.c: use it.
6104 * config/mips/mips.c: use it.
6105 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6107 2006-01-30 Roger Sayle <roger@eyesopen.com>
6109 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6110 argv to the appropriate type.
6112 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6114 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6117 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6120 * config/s390/s390.c (struct machine_function): New flag
6121 decomposed_literal_pool_addresses_ok_p.
6122 (s390_reorg): Set it before final stage of literal pool transforms.
6123 (s390_decompose_address): Only accept displacements of the form
6124 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6126 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6128 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6129 the comparison routine return.
6131 2006-01-30 Michael Matz <matz@suse.de>
6133 * global.c (find_reg): Only evict for global regs.
6134 Take n_refs into account and dump more info.
6136 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6139 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6140 (pragma_trap, pragma_nosave_low_regs): Likewise.
6141 (current_function_anonymous_args): Likewise.
6142 (sh_deferred_function_attributes): New variable.
6143 (sh_deferred_function_attributes_tail): Likewise.
6144 (print_operand): For '@', look up trap_exit attribute.
6145 (calc_live_regs): Look up trapa_handler attribute. For trapa
6146 handlers, save/restore fpscr, but don't do any other
6147 interrupt-specific saves.
6148 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6149 Fix check for partially saved registers to check for SHmedia.
6150 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6151 (sh_output_function_epilogue): Don't clear any of the removed
6153 (sh_insert_attributes): Don't check pragma_interrupt.
6154 Insert deferred attributes. Check that interrupt attribute is
6155 present for other attributes that require its presence.
6156 (sh_attribute_table): Add new attributes trapa_handler and
6158 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6159 Don't check for pragma_interrupt. Don't store argument.
6160 * sh.h (pragma_interrupt, sp_switch): Don't declare.
6161 (sh_deferred_function_attributes): Declare.
6162 (sh_deferred_function_attributes_tail): Likewise.
6163 * sh.md (sp_switch_1): Add operand. Change generator caller.
6164 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
6165 (*return_i): Don't use when trap_exit attribute is in effect.
6166 (*return_trapa): New insn pattern.
6168 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
6169 setting c_target_objs and cxx_target_objs.
6170 * t-sh: Add rule for sh-c.o.
6172 2006-01-30 Richard Guenther <rguenther@suse.de>
6175 * gimplify.c (gimplify_target_expr): Handle easy cases
6176 without creating a temporary.
6178 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
6180 * vec.h (safe_grow): Remove duplicated line.
6182 2006-01-29 Diego Novillo <dnovillo@redhat.com>
6185 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
6186 (expand_omp): ... here.
6187 (expand_omp_parallel): Only remove barriers for combined
6188 parallel+workshare constructs.
6190 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
6194 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
6195 * tree.c (build_qualified_type): Chain the new type to the original
6196 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
6197 a POINTER_TYPE or a REFERENCE_TYPE respectively.
6198 (build_pointer_type_for_mode): Only return unqualified types.
6199 (build_reference_type_for_mode): Likewise.
6201 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
6203 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
6204 * Makefile.in (CXX_COMPAT_WARN): Define.
6205 * configure: Regenerate.
6207 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
6210 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
6213 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6215 * toplev.c: Fix thinko.
6217 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
6218 Marcin Dalecki <martin@dalecki.de>
6220 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
6221 (push_srcloc): Use XNEW.
6222 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
6224 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
6226 * df-core.c (df_set_blocks): Deleted all variable.
6228 2006-01-28 Ian Lance Taylor <ian@airs.com>
6230 * cgraphunit.c (cgraph_assemble_pending_functions): Call
6231 cgraph_output_pending_asms.
6233 2006-01-28 Zack Weinberg <zackw@panix.com>
6235 * c.opt: Add -W(no-)overlength-strings.
6236 * doc/invoke.texi: Document it.
6237 * c-opts.c (c_common_handle_option): -pedantic implies
6238 -Woverlength-strings, if not explicitly disabled already.
6239 (c_common_post_options): -Woverlength-strings defaults to off, and
6240 is always off for C++.
6241 * c-common.c (fix_string_type): Issue warning about strings longer
6242 than is portable only if warn_overlength_strings. Rearrange code
6243 a little for clarity.
6244 * configure.in: Check for -Wno-overlength-strings as well before
6245 enabling -pedantic in stage 1.
6246 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
6247 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
6249 * genconditions.c (write_header, write_one_condition)
6250 (write_conditions, write_writer): Consolidate very long strings
6251 that were broken up to fit in C89 portable limit. Don't use
6252 printf when fputs will do.
6254 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
6256 * combine.c (simplify_comparison <AND>): Check
6257 TRULY_NOOP_TRUNCATION before start using a subreg.
6259 * config/mips/mips.md (*branch_zero<mode>,
6260 *branch_zero<mode>_inverted, *branch_equality<mode>,
6261 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
6262 Remove mode check from comparisons.
6264 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
6266 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
6268 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6270 * expmed.c (const_mult_add_overflow_p): Remove.
6271 * expr.h: Remove the prototype for const_mult_add_overflow_p.
6273 * recog.c (validate_replace_rtx_subexp): Remove.
6274 * recog.h: Remove the prototype for
6275 validate_replace_rtx_subexp.
6277 * integrate.h: Remove the prototype for
6278 copy_decl_for_inlining.
6279 * rtl.h: Remove the prototype for mark_constant_function.
6280 * tree-vectorizer.h: Remove the prototype for
6281 vect_strip_conversion.
6283 * modulo-sched.c (create_partial_schedule,
6284 free_partial_schedule, reset_partial_schedule): Make them
6287 * hooks.c (hook_bool_rtx_int_false): Remove.
6288 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
6290 2006-01-28 David Edelsohn <edelsohn@gnu.org>
6292 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6293 and -mlong-double-128 are incompatible.
6294 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
6295 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
6296 (TARGET_LIBGCC2_CFLAGS): Define.
6297 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
6298 (TARGET_LIBGCC2_CFLAGS): Same.
6299 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
6301 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
6304 * c-typeck.c (build_binary_op): Perform implicit casts of
6305 operands before shortening them.
6307 * cfgloopmanip.c (split_loop_bb): Remove.
6308 * cfgloop.h: Remove the prototype for split_loop_bb.
6310 * cfgloop.c (flow_loop_outside_edge_p): Remove.
6311 * cfgloop.h: Remove the prototype for
6312 flow_loop_outside_edge_p.
6314 * emit-rtl.c (init_virtual_regs): Make it static.
6315 * function.h: Remove the prototype for init_virtual_regs.
6317 * recog.c (peephole2_optimize): Make it static.
6318 * recog.h: Remove the prototype for peephole2_optimize.
6320 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6322 * df-scan.c (df_record_entry_block_defs): Check if
6323 INCOMING_RETURN_ADDR_RTX is defined.
6325 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6326 Kenneth Zadeck <zadeck@naturalbridge.com>
6328 PR rtl-optimization/24762
6329 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6330 * targhooks.c (hook_void_bitmap): New hook prototype.
6331 * targhoohs.h (hook_void_bitmap): Ditto.
6332 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6333 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6334 * target.h (live_on_entry): New function pointer.
6335 * df-scan.c (df_all_hard_regs): Removed.
6336 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6337 (df_scan_free_internal): Added df->entry_block_defs.
6338 (df_scan_alloc): Ditto.
6339 (df_scan_dump): Ditto.
6340 (df_uses_record): Plumbed flag field properly thru calls.
6341 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6342 This part fixes PR24762.
6343 (df_bb_refs_record): Added code to make the frame and arg
6344 pointers live in EH blocks.
6345 (df_refs_record): Added call to df_record_entry_block_defs.
6346 (df_record_entry_block_defs): New function.
6347 * df-core.c: Added comments to describe new artifical defs.
6348 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6349 (entry_block_defs): New field in struct df.
6350 (df_all_hard_regs): Deleted.
6351 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6352 * df-problems.c (df_ru_bb_local_compute_process_def):
6353 Added code to handle artifical defs in the entry to a function.
6354 (df_ru_bb_local_compute): Ditto.
6355 (df_rd_bb_local_compute_process_def): Ditto.
6356 (df_rd_bb_local_compute): Ditto.
6357 (df_lr_bb_local_compute): Ditto.
6358 (df_ur_bb_local_compute): Ditto.
6359 (df_urec_bb_local_compute): Ditto.
6360 (df_chain_create_bb): Ditto.
6361 (df_ur_local_finalize): Removed entry.
6362 (df_urec_init): Ditto.
6363 (df_urec_local_finalize): Ditto.
6364 (df_ri_bb_compute): Added detection of last use of pseudos.
6365 * Makefile.in (df-scan.o): Updated dependencies.
6366 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6367 * config/mips/mips.c (mips_set_live_on_entry): Added.
6368 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6370 * dce.c (marked_insn_p): Added code to handle artifical defs.
6372 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6374 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6376 (_mm_cvtsi128_si64): Likewise.
6377 (_mm_cvtsd_si64): Likewise.
6378 (_mm_cvttsd_si64): Likewise.
6379 (_mm_cvtsi64_sd): Likewise.
6380 (_mm_cvtsi64_si128): Likewise.
6381 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6382 (_mm_cvtsi64_m64): Likewise.
6383 (_m_to_int64): Likewise.
6384 (_mm_cvtm64_si64): Likewise.
6385 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6386 (_mm_cvttss_si64): Likewise.
6387 (_mm_cvtsi64_ss): Likewise.
6388 (_mm_cvtss_f32): Likewise.
6390 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6392 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6393 for pragma redefine_extname.
6395 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6398 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6399 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6400 -mno-minimal-toc to previous content.
6401 (bispecs): Remove goal.
6402 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6403 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6404 compatibility aliases on powerpc-*-*gnu*.
6405 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6406 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6407 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6408 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6409 (ldblspecs): New goal.
6410 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6411 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6413 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6414 L_sf_to_tf or L_df_to_tf is defined.
6416 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6417 Alan Modra <amodra@bigpond.net.au>
6420 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6421 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6422 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6423 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6424 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6425 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6426 (rs6000_override_options): Initialize rs6000_ieeequad.
6427 Initialize TFmode format to ibm_extended_format if not
6429 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6431 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6432 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
6433 (function_arg_advance): IBM long double passed in two FPRs, not
6435 (function_arg): IBM long double passed in FPRs.
6436 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
6437 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
6438 Only multireg GPR aligned.
6439 (rs6000_init_libfuncs): Enable IBM long double functions if not
6441 (rs6000_generate_compare): Use IBM long double compare if not
6443 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6444 (TARGET_IEEEQUAD): Define.
6445 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6446 not TARGET_IEEEQUAD.
6447 * config/rs6000/rs6000.md: Enable TFmode patterns if
6449 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6450 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6451 and -mlong-double-128 are incompatible.
6452 * doc/invoke.texi (-mabi): Collect options together. Add
6453 ibmlongdouble and ieeelongdouble.
6455 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6457 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6459 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6460 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6461 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6462 * rtl.h (rtunion_def): Remove rt_ptr.
6464 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6465 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6466 * config/i386/winnt.c (i386_pe_mark_dllexport)
6467 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6469 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6471 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6473 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6477 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6478 pthread_key_delete. From John David Anglin. gthrw-ify
6479 pthread_getunique_np only if it it's not a macro. Delete
6481 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6482 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6483 __gthread_objc_condition_signal, __gthread_key_delete): Add
6484 "__attribute__ ((__unused__))" to unused arguments.
6485 (__gthread_recursive_mutex_init_function): Add missing return.
6486 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6487 gthr-posix95.h: Use macro-based approach for name redirection
6488 on targets missing weakref.
6490 2006-01-26 Zack Weinberg <zackw@panix.com>
6492 * genconditions.c (write_header): In generated code, #ifdef out
6493 all includes and fake declarations, except includes of bconfig.h
6494 and system.h, unless GCC_VERSION >= 3001. Do not include
6495 gensupport.h in any case.
6496 (write_conditions): Generate a definition of struct c_test. Add
6497 a comment to the generated #endif.
6498 (write_one_condition): Escape backslashes in string too.
6499 (write_writer): Generated code must escape backslashes and quote
6500 marks (but not newlines) in the strings it writes.
6501 * Makefile.in (build/gencondmd.o): Update dependencies.
6503 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6506 * Makefile.in (insn-automata.o): Add header file dependencies.
6507 * genautomata.c: Add includes.
6509 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6512 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6514 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6516 * configure.ac: Expect target tools paths to be passed from the toplevel
6517 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6519 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6521 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6524 * c.opt (Wpointer-sign): Init to -1.
6525 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6526 OPT_pedantic, to 0 otherwise.
6527 * doc/invoke.texi: Update.
6529 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6531 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6532 constants provided by 80387 instructions in the destination mode.
6534 2006-01-26 Richard Guenther <rguenther@suse.de>
6535 Andrew Pinski <pinskia@physics.uc.edu>
6538 partial PR tree-opt/17064
6539 * tree-ssa-structalias.c (intra_create_variable_infos):
6540 Create heap variables for incoming parameters if
6541 flag_argument_noalias > 1.
6542 (find_what_p_points_to): Look through default defs of
6545 2006-01-26 Jeff Law <law@redhat.com>
6548 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6549 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6550 within the VR_RANGE, use the VR_RANGE as the result, not the
6552 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6553 bounds for the type.
6555 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6557 * tree-ssa-alias.c (maybe_create_global_var): Change
6558 subvar walking to an assertion that we don't have subvar'd variables.
6560 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6563 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6564 Use a new variable, inner. PARM_DECLs are always non-weak.
6566 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6568 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6571 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6573 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6575 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6577 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6578 (smax_insn, smin_insn, smax_0, smin_0): New.
6580 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6583 * config/cris/cris.c (cris_order_for_addsi3): New function.
6584 * config/cris/cris-protos.h: Prototype it.
6585 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6586 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6587 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6588 (split for "op.S1 [rx=rx+i],ry (swapped)")
6589 (split for "op(s|u).S1 [rx=rx+i],ry")
6590 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6591 Apply cris_order_for_addsi3 when generating addsi3 insns.
6593 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6595 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6596 (TREE_BLOCK): Add call to EXPR_CHECK.
6598 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6601 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6602 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6603 (dump_omp_clauses): ... here.
6604 (dump_generic_node): Handle OMP_CLAUSE.
6605 * tree.c (omp_clause_num_ops): New.
6606 (omp_clause_code_name): New.
6607 (tree_code_size): Handle OMP_CLAUSE.
6608 (tree_size): Likewise.
6609 (make_node): Document handling of OMP_CLAUSE.
6610 (tree_node_structure): Handle OMP_CLAUSE.
6611 (omp_clause_check_failed): New.
6612 (omp_clause_range_check_failed): New.
6613 (omp_clause_operand_check_failed): New.
6614 (build_omp_clause): New.
6615 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6616 * tree.h (enum omp_clause_code): Declare.
6617 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6618 (OMP_CLAUSE_RANGE_CHECK): Define.
6619 (OMP_CLAUSE_ELT_CHECK): Define.
6620 (omp_clause_check_failed): Declare.
6621 (omp_clause_operand_check_failed): Declare.
6622 (omp_clause_range_check_failed): Declare.
6623 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6624 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6625 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6626 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6627 (OMP_CLAUSE_IF_EXPR): Likewise.
6628 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6629 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6630 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6631 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6632 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6633 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6634 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6635 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6636 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6637 (OMP_CLAUSE_CODE): Define.
6638 (OMP_CLAUSE_SET_CODE): Define.
6639 (OMP_CLAUSE_CODE): Define.
6640 (OMP_CLAUSE_OPERAND): Define.
6641 (struct tree_omp_clause): Declare.
6642 (union tree_node): Add field 'omp_clause'.
6643 * treestruct.def (TS_OMP_CLAUSE): Define.
6644 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6645 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6646 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6647 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6648 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6649 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6650 (OMP_CLAUSE): Define.
6651 * print-tree.c (print_node): Handle OMP_CLAUSE.
6652 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6653 * c-typeck.c: Likewise.
6654 * gimplify.c: Likewise.
6655 * c-omp.c: Likewise.
6656 * tree-nested.c: Likewise.
6657 * tree-inline.c: Likewise.
6658 * c-parser.c: Likewise.
6659 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6662 2006-01-25 Roger Sayle <roger@eyesopen.com>
6664 PR rtl-optimization/25703
6665 * combine.c (try_combine): Handle zero_extract and strict_low_part
6666 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6668 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6670 * global.c: Fix comment typos.
6672 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6675 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6676 Use output_addr_const instead of assemble_name.
6678 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6680 * Makefile.in (sched-vis.o): Update dependencies.
6681 * haifa-sched.c (sched_finish): Clear current_sched_info.
6682 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6683 (dump_flow_info): Call it.
6684 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6686 * basic-block.h (dump_bb_info): Declare.
6687 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6688 option, and apply options only for dump files whose TDF_RTL,
6689 TDF_TREE, or TDF_IPA bits match.
6690 * rtl.h: Declare new functions exported from sched-vis.c.
6691 * sched-vis.c: Enable also if scheduling is not used.
6692 (print_value): Print the mode of registers if not inside scheduling.
6693 (print_insn): Make it work outside the scheduler. Beautify the output
6695 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6697 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6699 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6700 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6701 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6702 depending on the value of CONSTANT_POOL_ADDRESS_P.
6703 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6705 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6706 rather than SYMBOL_REF_DECL.
6707 (rtx_constant_pool): Remove const_rtx_sym_htab.
6708 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6709 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6710 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6711 Remove handling of const_rtx_sym_htab.
6712 (find_pool_constant): Delete.
6713 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6714 rather than find_pool_constant.
6715 (get_pool_constant_for_function): Delete.
6716 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6718 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6719 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6720 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6721 (SYMBOL_REF_CONSTANT): New macro.
6722 (get_pool_constant_for_function): Delete.
6723 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6724 rather than SYMBOL_REF_DECL.
6725 (i386_pe_mark_dllimport): Likewise.
6726 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6727 rather than SYMBOL_REF_DECL.
6728 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6729 (machopic_indirect_call_target): Likewise.
6731 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6733 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6735 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6737 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6739 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6741 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6743 2006-01-24 David Daney <ddaney@avtrex.com>
6746 * configure.ac (enable_tls): New enable option.
6747 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6748 * configure: Regenerate.
6749 * doc/install.texi (--enable-tls): Document new option.
6750 (--disable-tls): Ditto.
6752 2006-01-24 Richard Henderson <rth@redehat.com>
6754 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6755 * alias.c (true_dependence): Respect it.
6756 (canon_true_dependence, write_dependence_p): Likewise.
6757 * builtins.c (get_builtin_sync_mem): Set it.
6759 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6761 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6764 2006-01-24 DJ Delorie <dj@redhat.com>
6766 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6767 for storing constants in single-bit bitfields.
6769 2006-01-25 Ben Elliston <bje@au.ibm.com>
6771 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6773 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6776 * tree-ssa-pre.c (phi_translate): Return NULL
6777 for AGGREGATE_TYPE's.
6779 2006-01-24 Zack Weinberg <zackw@panix.com>
6781 * genautomata.c (process_state_for_insn_equiv_partition):
6782 Use xcalloc for insn_arcs_array.
6783 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6784 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6786 2006-01-24 Richard Henderson <rth@redhat.com>
6788 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6791 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6793 PR rtl-optimization/25890
6794 PR rtl-optimization/25905
6795 * combine.c (expand_compound_operation, expand_field_assignment):
6796 Fail if the bitfield's final position is out of bounds.
6798 2006-01-24 Ian Lance Taylor <ian@airs.com>
6801 * cgraphunit.c (cgraph_output_in_order): Don't clear
6802 cgraph_asm_nodes until after asm strings have been output.
6804 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6806 * fix-header.c (read_scan_file): Add new parameter imultilib when
6807 calling register_include_chains.
6809 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6811 * omp-low.c: Update documentation.
6813 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6814 Daniel Berlin <dberlin@dberlin.org>
6818 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6819 return from the function.
6821 2006-01-22 Zack Weinberg <zackw@panix.com>
6823 * rtl.def (match_code): Add second argument.
6824 * genpreds.c (write_extract_subexp): New function.
6825 (write_match_code): Add path argument. Use write_extract_subexp.
6826 (write_predicate_expr): Pass path to write_match_code.
6827 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6828 not perform a mode test.
6829 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6830 a subexpression does not constrain the top-level code set.
6831 * read-rtl.c (read_rtx_variadic): New function.
6832 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6833 * doc/md.texi: Document new notation.
6834 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6835 (cmpsi_operand): ... here, using new notation.
6837 2006-01-22 Zack Weinberg <zackw@panix.com>
6839 * varray.c: Remove GENERATOR_FILE #ifdefs.
6841 2006-01-22 Zack Weinberg <zackw@panix.com>
6843 * genautomata.c (output_reserved_units_table): Emit nothing if
6844 description->query_units_num is zero. Remove extra blank line.
6845 (output_cpu_unit_reservation_p): Short circuit
6846 if description->query_units_num is zero.
6848 2006-01-22 Zack Weinberg <zackw@panix.com>
6850 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6851 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6852 nor any of the random handful of variables that used to be necessary
6853 when this program was linked with rtlanal.o. Prune set of forward
6854 function declarations.
6855 (struct attr_desc): Remove static_p field.
6856 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6857 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6858 (attr_string): Do not read the character one past the length of
6860 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6861 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6862 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6863 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6864 (make_automaton_attrs): New.
6865 (main): Do not call into genautomata. Call local gen_bypass
6866 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6867 Remove special case for insn_alts.
6868 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6869 varray.h (leftover from previous change). Prune set of forward
6870 function declarations. Remove state_alts fields from all
6871 structures. Remove state_alts_table from struct automaton.
6872 Make everything except main static. Do not maintain num_dfa_decls.
6873 Do not maintain state_alts fields of various structures.
6874 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6875 (add_arc): Remove state_alts argument. All callers updated.
6876 (output_reserved_units_table): Emit #ifdef here...
6877 (output_tables): ...not here. Don't generate state_alts tables.
6878 (expand_automata): Don't generate attributes.
6879 (write_automata): Don't generate state_alts functions.
6880 (main): New function.
6881 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6882 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6883 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6884 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6885 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6886 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6887 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6888 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6890 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6891 * genattrtab.h: Delete file.
6892 * Makefile.in (OBJS-common): Add insn-automata.o.
6893 (insn-automata.o): New rule.
6894 (simple_generated_c): Add insn-automata.c.
6895 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6896 (genprogmd): Add automata.
6897 (build/genattrtab): Needs no extra objects nor libraries.
6898 (build/genautomata): Needs build/vec.o and -lm.
6900 2006-01-22 Zack Weinberg <zackw@panix.com>
6902 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6903 (output_dfa_max_issue_rate, locked_states_num): Delete.
6904 (struct automaton): Add locked_states field.
6905 (output_dead_lock_vect): Save number of locked states in
6906 automaton->locked_states. If it is zero, don't print anything.
6907 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6908 (output_internal_dead_lock_func): Only test the dead_lock_vect
6909 for automata that have locked states.
6910 (output_statistics): Always print the number of locked states for
6911 each automaton. Calculate total number of locked states here.
6912 (write_automata): Don't call output_dfa_max_issue_rate.
6913 * genattrtab.c: Define length_unit_log as a const variable.
6914 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6915 max_insn_queue_index const.
6916 * final.c (length_unit_log): Declare const.
6917 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6919 2006-01-22 Zack Weinberg <zackw@panix.com>
6921 * genautomata.c: Include vec.h, not varray.h.
6922 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6923 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6924 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6925 VEC_* macros operating on appropriately typed vectors, or to
6926 malloced arrays when the size is known in advance. Const-ify
6927 many char* variables and function arguments. No functional changes.
6928 * Makefile.in (build/varray.o): Delete rule.
6929 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6930 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6932 2006-01-22 Zack Weinberg <zackw@panix.com>
6934 * gensupport.c: Define get_insn_name and record_insn_name here.
6935 (read_md_rtx): Call record_insn_name as appropriate.
6936 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6937 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6938 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6940 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6941 (BUILD_VARRAY): Delete.
6942 (genprognormal): Rename genprogmd. Fold in all programs from
6943 genprognoprint; also attrtab.
6944 (build/genattrtab): Just mention genautomata.o and varray.o.
6945 Reorganize a bit, add comments to make the categories clearer.
6947 2006-01-22 Zack Weinberg <zackw@panix.com>
6949 * genconditions.c (condition_table, add_condition): Delete.
6950 (write_conditions): Don't emit n_insn_conditions nor
6951 insn_elision_unavailable. Issue the gcc version #ifdef here,
6952 inside the table, with no #else clause ...
6953 (write_header): ...not here.
6954 (write_writer): New function.
6955 (main): Don't initialize condition_table. Use add_c_test.
6957 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6958 files on the command line.
6959 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6960 Return -1 if there is no entry in the table, don't abort.
6961 (add_c_test, traverse_c_tests): New functions.
6962 * gensupport.h (insn_elision_unavailable, insn_conditions)
6963 (n_insn_conditions): Delete declarations.
6964 (add_c_test, traverse_c_tests): Declare.
6965 * read-rtl.c: Include gensupport.h.
6966 (read_conditions): New function.
6967 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6968 (read_rtx_1): If we get EOF when we were looking for an initial
6969 open paren, return 0. Call read_conditions when appropriate.
6970 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6971 dummy-conditions.o. Eliminate references to insn-conditions.o,
6972 or change them to build/gencondmd.o, as appropriate. Remove
6973 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6974 from $(simple_generated_c). For all files remaining in those
6975 two lists, add insn-conditions.md to the generator command line.
6976 Give insn-constants.h/s-constants their own rules. Add rules
6977 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6978 (build/read-rtl.o): Depend on gensupport.h.
6979 (genprognormal): Include preds.
6980 (genprogearly): Rename genprognoprint; only difference is now that
6981 they don't link with $(BUILD_PRINT).
6982 * dummy-conditions.c: Delete.
6984 2006-01-22 Zack Weinberg <zackw@panix.com>
6986 * genextract.c: Don't include insn-config.h. Do include vec.h.
6987 Declare vectors of int, char, and locstr.
6988 (locstr): New typedef.
6989 (struct extraction): Make all array fields into bare pointers.
6990 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6991 (insn_code_number): Delete.
6992 (accum_extract): New struct.
6993 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6994 (gen_insn): Take insn_code_number as an argument. Use an
6995 accum_extract structure instead of loading data directly into
6996 a struct extraction, and having to know how big it might get.
6997 (walk_rtx): Operate entirely on an accum_extract structure.
6998 (print_path): Avoid unnecessary use of printf.
6999 (print_header): New function, split out of main. Distinguish
7000 more carefully between an unrecognizable insn and an insn that
7001 has the code number of a define_expand.
7002 (main): Pass insn_code_number to gen_insn. Call print_header
7003 only after parsing. Avoid unnecessary use of printf.
7004 * Makefile.in (build/vec.o): New rule.
7005 (build/genextract): Depend on build/vec.o.
7006 (build/genextract.o): Don't depend on insn-config.h.
7008 2006-01-22 Zack Weinberg <zackw@panix.com>
7010 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7011 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7012 practical. Eliminate per-generator-program link rules.
7014 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7017 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7018 with a call expr to ...
7019 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7021 2006-01-23 Richard Guenther <rguenther@suse.de>
7023 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7024 before make_edge with conditional EDGE_TRUE_VALUE.
7026 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7027 Jan Hubicka <jh@suse.cz>
7028 Richard Guenther <rguenther@suse.de>
7030 PR rtl-optimization/25654
7031 * cfgexpand.c (aggregate_contains_union_type): New function.
7032 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7033 for structure variables that contain a union type.
7035 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7037 * gengtype.c (new_structure): Return the structure.
7038 (create_option): Add an extra "next" argument.
7039 (create_field): New function.
7040 (adjust_field_rtx_def): Use create_option and create_field.
7041 Remove a now-unnecessary call to find_structure.
7042 (adjust_field_tree_def): Likewise.
7043 (note_yacc_type): Remove an unnecessary call to find_structure.
7044 * gengtype.h (new_structure): Return the structure.
7045 (create_option): Add an extra argument.
7046 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7047 (option): Adjust calls to create_option.
7049 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7051 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7053 2006-01-22 Paul Brook <paul@codesourcery.com>
7054 Peter Barada <peter@the-baradas.com>
7056 * config/m68k/m68k.md: Add Coldfire FPU support.
7057 Define FP mode macro and associated attributes.
7058 Use it for float mode patterns.
7059 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7060 (LIBCALL_VALUE): Use m68k_libcall_value.
7061 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7062 (m68k_function_value): Ditto.
7063 (emit_move_sequence): Ditto.
7064 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7065 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7066 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7067 (MULTILIB_EXCEPTIONS): Ditto.
7068 * config/m68k/m68k.opt: Add mcfv4e.
7069 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7070 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7071 (m68k_output_function_prologue): Save ColdFire FPU registers.
7072 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7073 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7074 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7075 ColdFire FPU registers.
7076 (m68k_libcall_value, m68k_function_value): New functions.
7077 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7078 (LIBCALL_VALUE): Use m68k_libcall_value.
7079 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7080 (MASK_COLDFIRE): Add MASK_CFV4E.
7081 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7082 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7083 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7084 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7085 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7086 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7087 * doc/invoke.tex: Document -mcfv4e on m68k.
7089 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7091 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7094 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7097 * c-opts.c (c_common_handle_option): Don't include
7098 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7099 * doc/invoke.texi (C++ Dialect Options): Document that
7100 -Wnon-virtual-dtor is no longer included in -Wall.
7102 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7104 * gcov.c (print_version), gcov-dump.c (print_version),
7105 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7108 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7110 * df-scan.c (problem_SCAN): Added NULL reset function.
7111 (df_scan_reset_blocks): Added code to call reset block function
7112 (df_bb_refs_delete) Fixed comment.
7113 (df_insn_refs_delete): Made tolerant of deleting non existent info
7114 for dataflow problems that need to be reset.
7115 * df-core.c (df_set_blocks): Ditto.
7116 * df.h (struct df_problem): Added reset_fun.
7117 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7118 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7119 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7120 functions to clear out all references to def-use or use-def chains.
7122 2006-01-21 Ben Elliston <bje@au.ibm.com>
7124 * varasm.c (assemble_real): Initialise data array.
7126 2006-01-20 Paul Brook <paul@codesourcery.com>
7128 Merge from csl-arm-branch.
7129 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7130 * config/arm/arm.md (movdi): Force operands[1] to a register
7131 if we have a non-register source.
7132 (*arm_movdi, *movdf_soft_insn): Require that one of the
7133 operands be a register.
7134 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7135 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7137 2006-01-20 DJ Delorie <dj@redhat.com>
7139 * varasm.c (initialize_constant_valid_p): Allow pointers
7140 initialized from integer constants of lesser precision.
7141 (output_constant): Allow non-int-sized pointer modes to be
7142 initialized from integer constants.
7144 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7147 * cppdefault.h (struct default_include): Add multilib flag.
7148 * cppdefault.c (cpp_include_defaults): Set it.
7149 * c.opt (-imultilib): New option.
7150 * c-opts.c (imultilib): New.
7151 (c_common_handle_option): Handle -imultilib.
7152 (c_common_post_options): Likewise.
7153 * c-incpath.c (add_standard_paths, register_include_chains):
7155 * c-incpath.h (register_include_chains): Add extra parameter.
7156 * gcc.c (do_spec_1): Generate -imultilib option.
7157 (The Specs Language): Update %I description.
7158 (process_command): Update copyright notice.
7159 * doc/cppopts.texi (-imultilib): Document.
7160 * doc/invoke.texi (-imultilib): Include in option summary.
7161 (%I): Update specs documentation.
7163 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7165 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
7167 2006-01-20 Richard Sandiford <richard@codesourcery.com>
7169 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
7172 2006-01-20 Richard Guenther <rguenther@suse.de>
7173 Steven Bosscher <stevenb.gcc@gmail.com>
7175 PR rtl-optimization/24626
7176 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
7177 EDGE_TRUE_VALUE if in RTL mode.
7180 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
7181 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
7183 2006-01-20 Dirk Mueller <dmueller@suse.com>
7186 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
7187 instead of a special NOP marker.
7188 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
7189 NOP marker handling.
7190 * c-common.h (empty_body_warning): Add forward declaration.
7191 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
7192 Now uses IS_EMPTY_STMT() instead of special NOP markers.
7194 2006-01-20 Paul Brook <paul@codesourcery.com>
7196 * Makefile.in (lang_checks): Keep going if mkdir fails.
7198 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7200 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
7201 be able to clean out basic block when not necessary.
7202 (df_scan_free): Fixed to properly delete information if df is
7203 unused before calling df_finish.
7204 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
7205 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
7207 (df_bb_refs_delete): New function.
7208 (df_refs_delete): Moved per block code to df_bb_refs_delete.
7209 * df-core.c (df_set_blocks): Added code to properly clean out
7210 unused blocks if they are not part of the blocks to consider.
7211 Added additional null check.
7212 (df_compact_blocks): Added basic block parameter to free_bb_fun to
7213 be able to clean out basic block when not necessary
7214 * df.h (df_free_bb_function): Ditto.
7215 (df_bb_refs_delete): New function.
7216 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
7217 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
7218 basic block parameter to be able to clean out basic block when not
7220 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
7221 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
7222 Fixed to properly delete information if df is unused before
7225 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7227 PR rtl-optimization/25799
7228 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
7229 Corrected confluence operator to remove bits from op2 before oring
7230 with op1 rather than removing bits from op1.
7231 (df_ru_transfer_function): Corrected test on wrong bitmap which
7232 caused infinite loop. Both of these problems were introduced in
7233 the dataflow rewrite.
7235 2006-01-19 DJ Delorie <dj@redhat.com>
7237 * reload1.c (find_reload_regs): Note the details of reload
7238 failures in the dump file.
7239 (spill_failure): Likewise.
7241 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
7243 * loop-iv.c: Include df.h and hashtab.h.
7244 (enum iv_grd_result): New enum.
7245 (DF_REF_IV, DF_REF_IV_SET): New macros.
7246 (struct biv_entry): New.
7247 (df, bivs): New global variables.
7248 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
7249 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
7251 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
7252 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
7253 analyzed_for_bivness_p, record_biv): New functions.
7254 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
7255 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
7256 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
7258 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
7260 (iv_number_of_iterations): Use new interface to iv analysis.
7261 * loop-unroll.c: Do not include varray.h.
7262 (analyze_iv_to_split_insn): Use new interface to iv
7264 * loop-unswitch.c (may_unswitch_on): Ditto.
7265 * df.c (df_bitmaps_free): Only work for bbs for that structures are
7267 (df_bb_modify): Realloc tables to the new index.
7268 (df_find_use): New function.
7269 * df.h (df_find_use): Declare.
7270 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
7272 * cfgloop.h (struct rtx_iv): Remove analysed field.
7273 (iv_get_reaching_def): Removed.
7274 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
7275 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
7276 (loop-iv.o): Add df.h and hashtab.h dependency.
7277 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
7279 2006-01-20 Alan Modra <amodra@bigpond.net.au>
7282 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
7284 (__floatundisf, __floatundidf): Likewise.
7285 * libgcc2.h (IS_IBM_EXTENDED): Define.
7287 2006-01-19 DJ Delorie <dj@redhat.com>
7289 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
7291 2006-01-19 Paul Brook <paul@codesourcery.com>
7293 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
7294 as nothrow when unwinding tables are disabled.
7296 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7299 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
7300 of bit-field" when in system header.
7302 2006-01-19 DJ Delorie <dj@redhat.com>
7304 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
7305 the 16 bit shift limit of the m16c.
7307 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
7310 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
7311 * config/i386/i386.c (output_set_got): Output the label if we have one
7312 for the TARGET_DEEP_BRANCH_PREDICTION case.
7314 2006-01-19 Jan Hubicka <jh@suse.cz>
7315 H.J. Lu <hongjiu.lu@intel.com>
7316 Evandro Menezes <evandro.menezes@amd.com>
7318 * invoke.texi (generic): Document
7320 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7321 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7322 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7323 (x86_use_incdec, x86_pad_returns): New variables
7324 (TARGET_CPU_DEFAULT_generic): New constant
7325 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7326 (enum processor_type): Add generic32 and generic64.
7327 * i386.md (cpu attribute): Add generic32/generic64
7328 (movhi splitter): Behave sanely when both partial_reg_dependency and
7329 partial_reg_stall are set.
7330 (K8 splitters): Enable for generic as well.
7331 * predicates.md (incdec_operand): Use TARGET_INCDEC
7332 (aligned_operand): Avoid memory mismatch stalls.
7333 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7334 * ppro.md: Enable for generic32
7335 * i386.c (generic64_cost, generic32_cost): New.
7336 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7337 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7338 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7339 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7340 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7341 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7342 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7343 x86_accumulate_outgoing_args, x86_prologue_using_move,
7344 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7345 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7347 (x86_use_incdec, x86_pad_returns): New.
7348 (override_options): Add generic32 and generic64, translate "generic"
7349 to generic32/generic64 and "i686" to "generic32", refuse
7350 "generic32"/"generic64" as arch target.
7351 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7352 (ix86_reorg): Honor PAD_RETURNS.
7354 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7356 * tree-pretty-print.c (dump_generic_node): Handle
7357 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7358 * cgraph.c (cgraph_expand_queue): Rename from
7359 cgraph_analyze_queue. Update all users.
7360 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7361 cgraph_expand_queue.
7362 (cgraph_expand_all_functions): Likewise.
7363 (cgraph_finalize_pending_functions): Remove. Update callers.
7365 * tree.h (OMP_DIRECTIVE_P): Define.
7366 (OMP_PARALLEL_FN): Define.
7367 (OMP_PARALLEL_DATA_ARG): Define.
7368 (OMP_SECTIONS_SECTIONS): Define.
7369 * tree-pass.h (pass_expand_omp): Declare.
7370 * omp-low.c (struct omp_region): Declare.
7371 (struct omp_context): Remove fields 'parallel_type',
7372 'parallel_start_ix' and 'parallel_start_additional_args'.
7374 (struct omp_for_data): Rename from struct expand_omp_for_data.
7375 (omp_regions): New static variable.
7376 (root_omp_region): New static variable.
7377 (find_omp_clause): Make static.
7378 (is_in_combined_parallel_ctx): Remove.
7379 (is_combined_parallel): New.
7380 (extract_omp_for_data): Move earlier in the file.
7381 (workshare_safe_to_combine_p): New.
7382 (get_ws_args_for): New.
7383 (determine_parallel_type): Move earlier in the file.
7384 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7386 (omp_copy_decl): Likewise.
7387 (create_omp_child_function): Likewise.
7388 (lookup_omp_region): New.
7389 (dump_omp_region): New.
7390 (debug_omp_region): New.
7391 (debug_all_omp_regions): New.
7392 (new_omp_region): New.
7393 (scan_omp_parallel): If parallel_nesting_level > 1, the
7394 directive is nested within another parallel directive.
7395 Set OMP_PARALLEL_FN.
7396 (scan_omp_for): Do not try to handle combined parallel+for
7398 Remove FIXME comment.
7399 (scan_omp_nested): Remove.
7400 (scan_omp_1): Do not call scan_omp_nested when
7401 parallel_nesting_level is > 1.
7402 Do not change the DECL_CONTEXT of local variables found.
7403 (lookup_decl_in_outer_ctx): New.
7404 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7405 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7406 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7407 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7408 If CTX is nested, lookup VAR in the outer context when
7409 building copy assignment.
7410 (lower_send_clauses): Rename from expand_send_clauses.
7411 If CTX is nested, lookup VAR in the outer context when
7412 building copy assignments.
7413 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7414 If CTX is nested, lookup VAR in the outer context when
7415 building copy assignments.
7416 (expand_parallel_call): Rename from build_parallel_call.
7417 Handle combined parallel+workshare cases.
7418 Re-implement to emit code into the CFG.
7420 (expand_omp_parallel): Re-implement to emit code into the CFG.
7421 Call move_sese_region_to_fn to outline the sub-graph
7422 containing the parallel region.
7423 (expand_omp_for_1): Remove.
7424 (expand_omp_for_generic): Re-implement to emit code into the
7426 (expand_omp_for_static_nochunk): Likewise.
7427 (expand_omp_for_static_chunk): Likewise.
7428 (expand_omp_for): Likewise.
7429 (expand_omp_sections): Likewise.
7430 (remove_exit_barriers): New.
7431 (expand_omp_synch): New.
7433 (build_omp_regions_1): New.
7434 (build_omp_regions): New.
7435 (execute_expand_omp): New.
7436 (gate_expand_omp): New.
7437 (pass_expand_omp): Define.
7438 (lower_omp_sections): Rename from expand_omp_sections.
7439 Set OMP_SECTIONS_SECTIONS.
7440 (lower_omp_single_simple): Rename from expand_omp_single_simple.
7441 (lower_omp_single_copy): Rename from expand_omp_single_copy.
7442 (lower_omp_single): Rename from expand_omp_simple.
7443 (lower_omp_master): Rename from expand_omp_master.
7444 (lower_omp_ordered): Rename from expand_omp_ordered.
7445 (lower_omp_critical): Rename from expand_omp_critical.
7446 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7447 (lower_omp_for): Re-implement.
7448 (lower_omp_parallel): Re-implement.
7449 (lower_regimplify): Rename from expand_regimplify.
7450 (lower_omp_1): Rename from expand_omp_1.
7451 If there are syntax errors in the program, replace every
7452 OpenMP directive with NOP.
7453 Call lower_omp_* instead of expand_omp_*.
7454 (lower_omp): Rename from expand_omp.
7456 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7457 * tree-gimple.h (enum omp_parallel_type): Remove.
7458 (gimple_boolify): Declare extern.
7459 (find_omp_clause, determine_parallel_type): Remove.
7461 * gimple-low.c (lower_omp_directive): New.
7462 (lower_stmt): Call it.
7463 (record_vars_into): Move from ...
7464 (record_vars): ... here.
7465 Call record_vars_into with current_function_decl.
7467 * gimplify.c (struct gimplify_ctx): Remove fields
7468 combined_pre_p and combined_ctxp. Update users.
7469 (get_formal_tmp_var): Add documentation.
7470 (gimple_boolify): Make extern.
7471 (gimplify_expr_in_ctx): Remove. Update callers.
7472 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7473 will always be a BIND_EXPR.
7474 (gimplify_expr): Handle OMP_RETURN_EXPR.
7475 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7476 (OMP_PARALLEL): Add 3 operands.
7477 (OMP_SECTIONS): Add 1 operand.
7478 (OMP_RETURN_EXPR): Define.
7480 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7481 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7482 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7483 creating a circular free list.
7484 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7486 * tree-flow.h (move_sese_region_to_fn): Declare.
7487 (record_vars_into): Declare.
7488 * tree-cfg.c (make_omp_sections_edges): New.
7489 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7490 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7491 OMP_SECTIONS and OMP_SECTION.
7492 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7493 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7494 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7495 (gather_blocks_in_sese_region): New.
7496 (struct move_stmt_d): Declare.
7498 (move_block_to_fn): New.
7499 (move_sese_region_to_fn): New.
7501 * passes.c (init_optimization_passes): Schedule
7502 pass_expand_omp after pass_init_datastructures.
7504 * tree-ssa-operands.c (get_expr_operands): Handle
7505 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7506 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7508 2006-01-19 Jeff Law <law@redhat.com>
7510 * tree-vrp.c (extract_range_from_assert): Refine the result range
7511 if the variable referenced by the ASSERT_EXPR has a range and
7512 either the tentative result range or the previous range is a
7515 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7517 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7519 2006-01-19 Jan Hubicka <jh@suse.cz>
7521 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7523 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7525 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7526 (expand_compound_operation, expand_field_assignment): Fail if the
7527 bit lengths of an extract operation are out of range.
7528 (make_extraction): Compute wanted_inner_mode based on the position
7529 and length of the extraction. Make it extraction_mode for non-constant
7530 positions, and do not modify offset in that case. When generating a
7531 new MEM, use a mode that can hold the extraction while keeping correct
7532 alignment. Remove code that supported MEMs wrapped by USEs.
7533 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7535 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7537 * config/s390/s390.md ("Y", "y"): New mode attribute.
7538 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7539 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7540 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7541 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7542 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7543 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7544 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7545 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7546 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7547 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7548 "addsi3", "subsi3"): Insn patterns removed.
7549 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7550 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7551 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7552 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7553 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7554 "*sub<mode>3_cconly2"): New insn patterns.
7555 ("addsi3", "subsi3"): New expanders.
7557 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7559 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7560 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7561 existing STMT_VINFO_VECTYPE if available.
7562 (vect_mark_relevant): Add special handling for stmts that are
7563 marked as STMT_VINFO_IN_PATTERN_P.
7564 (vect_analyze_loop): Call vect_pattern_recog.
7565 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7566 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7568 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7569 (vect_recog_func_ptr): New function-pointer type.
7570 * tree-vect-patterns.c: New file.
7571 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7572 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7573 (vect_pattern_recog_1): New functions.
7574 (vect_pattern_recog_funcs): New array of function pointers.
7576 * tree-vectorizer.h (ternary_op): New enum value.
7577 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7578 declaration. Revised documentation. Removed redundant dump prints.
7579 Removed redundant argument. Added support for reduction patterns.
7580 (vectorizable_reduction): Added support for reduction patterns.
7581 (vect_transform_stmt): Added support for patterns.
7583 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7584 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7585 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7586 (expand_widen_pattern_expr): New function.
7587 (init_optabs): Initialize new optabs udot_prod_optab,
7589 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7590 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7591 (expand_widen_pattern_expr): New function declaration.
7592 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7594 * tree-inline.c (estimate_num_insns_1): Added cases for new
7595 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7596 * tree-pretty-print.c (dump_generic_node): Likewise.
7597 (op_prio): Likewise.
7598 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7599 * tree-ssa-operands.c (get_expr_operands): Added case for
7601 * tree-vect-patterns.c (widened_name_p): New function.
7602 (vect_recog_dot_prod_pattern): Added function implementation.
7603 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7604 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7605 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7606 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7608 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7609 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7610 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7611 (init_optabs): Initialize new optabs widen_ssum_optab,
7613 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7614 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7615 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7616 use instead of type of def.
7617 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7618 function implementation.
7619 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7620 widen_ssumv8hi): New.
7622 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7625 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7628 * c-decl.c (add_flexible_array_elts_to_size): New function.
7629 (finish_decl): Use it.
7631 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7633 * diagnostic.h: Include options.h.
7634 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7635 dependancies for diagnostic.h.
7636 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7638 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7640 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7641 (ssa_ro_call_cache_valid): Ditto.
7642 * tree-ssa-alias.c (sort_tags_by_id): New function.
7643 (init_transitive_clobber_worklist): Ditto.
7644 (add_to_worklist): Ditto.
7645 (mark_aliases_call_clobbered): Ditto.
7646 (compute_tag_properties): Ditto.
7647 (set_initial_properties): Ditto.
7648 (compute_call_clobbered): Ditto.
7649 (compute_may_aliases): Call compute_call_clobbered and grouping.
7650 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7651 (compute_flow_insensitive_aliasing): Grouping now happens in our
7653 (setup_pointers_and_addressables): Remove clobbering related code.
7654 (add_may_alias): Ditto.
7655 (replace_may_alias): Ditto.
7656 (get_nmt_for): Ditto.
7657 (create_global_var):
7658 (is_escape_site): Return an escape_type enumeration.
7659 * tree-flow-inline.h (is_call_clobbered): Global var does not
7660 imply call clobbered.
7661 (mark_call_clobbered): Take a reason for marking this. Remove
7662 marking of globalness, and cache invalidation.
7663 (clear_call_clobbered): Remove cache invalidation code.
7664 * tree-dfa.c (dump_variable): If details is on, dump the reason
7666 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7668 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7669 (struct var_ann_d): Ditto.
7670 (enum escape_type): New.
7671 (mark_call_clobbered): Adjust prototype.
7672 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7673 are never call clobbered.
7674 Record reasons for escaping.
7675 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7676 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7677 (ssa_ro_call_cache_valid): Ditto.
7678 (clobbered_v_may_defs): Ditto.
7679 (clobbered_vuses): Ditto.
7680 (ro_call_vuses): Ditto.
7681 (clobber_stats): New.
7682 (init_ssa_operands): Zero out clobber stats.
7683 (fini_ssa_operands): Print out clobber stats.
7684 (get_call_expr_operands): Pass callee fndecl to
7686 (add_call_clobber_ops): Remove use of cache.
7687 Add use of PURE_CONST information.
7688 (add_call_read_ops): Remove use of cache.
7689 Add use of static not_read information.
7691 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7693 Introduce TLS descriptors for i386 and x86_64.
7694 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7695 (TARGET_ANY_GNU_TLS): New macro.
7696 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7697 (struct machine_function): Add tls_descriptor_call_expanded_p.
7698 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7699 (ix86_current_function_calls_tls_descriptor): Likewise.
7700 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7701 (override_options): Introduce gnu2 tls dialect.
7702 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7704 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7706 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7707 (ix86_init_machine_status): Initialize new field.
7708 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7709 (ix86_tls_module_base): New.
7710 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7711 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7712 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7713 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7714 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7715 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7716 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7717 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7718 * config/i386/predicates.md (tls_modbase_operand): New.
7719 (tp_or_register_operand): New.
7721 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7723 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7724 (look_for_address_of): Ditto.
7725 (ipa_init): Walk the function decls.
7726 (static_execute): Don't set readonly on FUNCTION_DECL's.
7728 2006-01-18 Roger Sayle <roger@eyesopen.com>
7730 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7731 for shifts where the source and destination registers are different.
7733 2006-01-18 Paul Brook <paul@codesourcery.com>
7735 Merge from csl-arm-branch.
7736 2005-03-14 Julian Brown <julian@codesourcery.com>
7737 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7738 (aeabi_llsl): Likewise.
7739 (ashrdi3): Likewise.
7740 (aeabi_lasr): Likewise.
7741 (lshrdi3): Likewise.
7742 (aeabi_llsr): Likewise.
7743 2005-03-10 Julian Brown <julian@codesourcery.com>
7744 * config.gcc: Disable shared libgcc for SymbianOS.
7745 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7747 2006-01-18 DJ Delorie <dj@redhat.com>
7749 * c-pragma.c (handle_pragma_diagnostic): New.
7750 (init_pragma): Register it.
7751 * doc/extend.texi: Document it.
7753 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7754 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7755 (diagnostic_context): Add classify_diagnostic[].
7756 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7757 as errors if they're overridden to DK_WARNING.
7758 (diagnostic_initialize): Initialize classify_diagnostic[].
7759 (diagnostic_set_kind_override): New.
7760 (diagnostic_report_diagnostic): Check for kind changes.
7761 * opts.c (common_handle_option): Take lang_mask. Update callers.
7763 * common.opt (Werror=): New.
7764 * doc/invoke.texi: Document -Werror=*
7766 2006-01-18 Jeff Law <law@redhat.com>
7768 * tree-vrp.c (test_for_singularity): Correct test for new
7769 min limit. Use operand_equal_p rather than pointer equality
7770 for testing if new min/max values are equal.
7772 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7773 using range information until after propagation and folding.
7775 2006-01-18 Richard Henderson <rth@redhat.com>
7776 Aldy Hernandez <aldyh@redhat.com>
7777 Jakub Jelinek <jakub@redhat.com>
7778 Diego Novillo <dnovillo@redhat.com>
7780 * omp-low.c: New file.
7781 * c-omp.c: New file.
7783 2006-01-18 Richard Henderson <rth@redhat.com>
7784 Jakub Jelinek <jakub@redhat.com>
7785 Diego Novillo <dnovillo@redhat.com>
7787 * doc/invoke.texi: Document -fopenmp.
7788 * tree-dump.h (debug_function): Declare.
7789 * hooks.c (hook_bool_tree_bool_false): New function.
7790 (hook_tree_tree_null): Remove.
7791 (hook_tree_tree_tree_null): New.
7792 * hooks.h: Update to match.
7793 * tree-pretty-print.c (debug_tree_chain): New.
7794 (print_generic_expr): Handle TDF_CHAIN.
7795 (dump_generic_node): Handle BLOCK.
7796 Do not abort with incomplete SWITCH_EXPRs.
7797 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7798 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7799 print space after directive name.
7800 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7801 Handle OMP_MASTER and OMP_ORDERED.
7802 Handle printing of OMP_BODY just in one place, goto
7803 dump_omp_body in the rest of OMP_* nodes that have
7805 Don't handle clause nodes here. Update omp statements to
7806 use dump_omp_clauses.
7807 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7808 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7809 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7810 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7811 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7812 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7813 Adjust output for GOMP_PARALLEL.
7814 (dump_omp_clauses): New.
7815 (print_declaration): Dump DECL_VALUE_EXPR.
7816 (op_symbol_1): Split out of op_symbol.
7817 (dumping_stmts): Remove. Update all users.
7818 * cgraph.c (cgraph_analyze_queue): New.
7819 (cgraph_add_new_function): New.
7820 * cgraph.h (cgraph_analyze_queue): Declare.
7821 (cgraph_add_new_function): Declare.
7822 (cgraph_lower_function): Remove.
7823 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7824 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7825 and TYPE_P nodes in its default clause.
7826 (empty_body_p): New.
7827 (tree_range_check_failed): New.
7829 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7830 OMP_CLAUSE_REDUCTION_MERGE,
7831 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7832 OMP_CLAUSE_PRIVATE_DEBUG,
7833 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7834 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7835 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7836 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7837 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7838 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7839 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7840 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7841 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7842 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7843 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7844 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7845 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7846 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7847 (TREE_RANGE_CHECK): New.
7848 (empty_body_p): Declare.
7849 (enum omp_clause_default_kind): New.
7850 (build_string_literal): Declare.
7851 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7852 (build5_stat, build5): Declare.
7853 * tree-pass.h (TDF_CHAIN): Define.
7854 * tree-pass.h (PROP_gimple_lomp): Define.
7855 (pass_lower_omp): Declare.
7856 * diagnostic.h (debug_tree_chain): Declare.
7857 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7859 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7860 * builtins.c (build_string_literal): Make extern.
7861 * gcc.c (include_spec_function): New.
7862 (static_spec_functions): Add it.
7863 (main): Move load of libgomp.spec ...
7864 (LINK_COMMAND_SPEC): ... here.
7865 (link_gomp_spec): New.
7866 (static_specs): Include it.
7867 (LINK_COMMAND_SPEC): Add link_gomp.
7868 (GOMP_SELF_SPECS): New.
7869 (driver_self_specs): Include it.
7870 (switch_matches): Don't mark inline.
7871 (main): Load libgomp.spec.
7872 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7873 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7874 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7875 * tree-gimple.h (enum omp_parallel): Declare.
7876 (determine_parallel_type): Declare.
7877 (omp_firstprivatize_variable): Declare.
7878 (omp_reduction_init): Declare.
7879 (diagnose_omp_structured_block_errors): Declare.
7880 (struct walk_stmt_info): Add want_return_expr.
7881 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7882 (find_omp_clause): Declare.
7883 (insert_field_into_struct): Declare.
7884 (struct walk_stmt_info): Move from tree-nested.c
7885 (walk_stmts): Declare.
7886 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7888 * cgraphunit.c (cgraph_lower_function): Make static.
7889 (cgraph_finalize_pending_functions): New.
7890 (cgraph_finalize_function): Call it.
7891 (cgraph_finalize_compilation_unit): Likewise.
7892 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7893 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7894 (BT_FN_UINT_UINT): New.
7895 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7896 DEF_FUNCTION_TYPE_VAR_4): Document.
7897 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7898 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7899 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7900 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7901 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7902 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7903 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7904 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7905 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7906 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7907 into separate files.
7908 (DEF_GOMP_BUILTIN): New.
7909 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7910 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7911 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7912 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7913 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7914 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7915 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7916 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7917 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7918 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7919 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7920 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7921 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7922 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7923 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7924 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7925 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7926 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7927 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7928 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7929 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7930 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7931 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7932 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7933 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7934 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7935 * sync-builtins.def: New file, moved from builtins.def.
7936 * omp-builtins.def: New file, moved from builtins.def.
7937 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7938 * gimple-low.c (lower_function_body): Clear data.
7939 (lower_stmt): Do not handle COMPOUND_EXPR.
7940 Remove call to print_node_brief.
7941 * c-tree.h (c_finish_omp_clauses): New prototype.
7942 (C_DECL_THREADPRIVATE_P): Define.
7943 (lookup_name_no_remap, c_omp_remap_private): Remove
7944 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7945 (check_for_loop_decls): Update decl.
7946 (lookup_name_no_remap, c_omp_remap_private): Declare.
7947 (build_indirect_ref, build_modify_expr, pushdecl,
7948 pushdecl_top_level): Move to c-common.h.
7949 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7950 before the switch, but just in the 2 places that need it.
7951 * c-decl.c (diagnose_mismatched_decls): Do not check for
7952 mismatched thread-local attributes when OLDDECL is marked
7953 threadprivate and NEWDECL has no thread-local attributes.
7954 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7955 (c_gimple_diagnostics_recursively): Rename from
7956 c_warn_unused_result_recursively. Invoke
7957 diagnose_omp_structured_block_errors.
7958 (check_for_loop_decls): Return a singular decl found.
7959 * langhooks.c (lhd_omp_predetermined_sharing): Return
7960 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7961 (lhd_omp_firstprivatize_type_sizes): New.
7962 (lhd_omp_assignment): New.
7963 (lhd_omp_predetermined_sharing): New.
7964 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7965 (struct lang_hooks_for_types): Add
7966 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7967 omp_predetermined_sharing, omp_disregard_value_expr,
7968 omp_private_debug_clause, omp_clause_default_ctor,
7969 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7970 (c_finish_omp_clauses): New.
7971 (c_finish_bc_stmt): Diagnose break within omp for.
7972 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7973 (build_unary_op): Return error_mark after reporting
7975 (build_modify_expr): Likewise.
7976 * gimplify.c: Include optabs.h and pointer-set.h.
7977 (enum gimplify_omp_var_data): Declare.
7978 (struct gimplify_omp_ctx): Declare.
7979 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7981 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7982 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7983 (splay_tree_compare_decl_uid): New.
7984 (new_omp_context): New.
7985 (delete_omp_context): New.
7986 (gimple_add_tmp_var): Call omp_add_variable.
7987 (gimplify_bind_expr): Likewise.
7988 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7989 true, disregard DECL_VALUE_EXPR on the decl if any.
7990 (gimplify_expr_in_ctx): New.
7991 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7992 omp_add_variable, omp_notice_variable, omp_is_private
7993 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7994 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7995 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7996 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7997 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7998 gimplify_omp_atomic): New.
7999 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8000 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8001 OMP_CRITICAL and OMP_ATOMIC.
8002 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8003 * c-pragma.h (enum pragma_kind): Add
8004 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8005 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8006 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8007 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8008 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8009 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8010 PRAGMA_OMP_THREADPRIVATE.
8011 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8012 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8013 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8014 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8015 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8016 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8017 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8018 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8019 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8020 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8021 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8022 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8023 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8025 (struct nesting_info): Add field_map,
8026 suppress_expansion, debug_var_chain.
8027 (create_nesting_tree): Initialize them.
8028 (lookup_field_for_decl): Use field_map.
8029 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8030 (convert_local_omp_clauses): New.
8031 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8032 (walk_body): Split out of walk_function.
8033 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8034 (convert_nonlocal_reference): Handle omp statements.
8035 (convert_local_reference): Likewise.
8036 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8037 (unnest_nesting_tree): New.
8038 (lower_nested_functions): Call it.
8039 (insert_field_into_struct): Make extern.
8040 (struct walk_stmt_info): Move to tree-gimple.h.
8041 (walk_stmts): Make extern.
8042 * omp-builtins.def: New file.
8043 * tree-iterator.c (expr_only): Clarify comment.
8044 * c-common.h (pushdecl_top_level, pushdecl,
8045 build_modify_expr, build_indirect_ref,
8046 c_finish_omp_master, c_finish_omp_critical,
8047 c_finish_omp_ordered, c_finish_omp_barrier,
8048 c_finish_omp_atomic, c_finish_omp_flush,
8049 c_finish_omp_for, c_split_parallel_clauses,
8050 omp_clause_default_kind, c_omp_sharing_predetermined,
8051 c_omp_remap_decl): Declare.
8052 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8053 (OBJS-common): Add omp-low.o.
8054 (c-omp.o, omp-low.o): Add.
8055 (gimplify.o): Add dependency on $(OPTABS_H).
8056 (GTFILES): Add omp-low.c.
8057 (gt-stringpool.h): Add.
8058 * tree-cfg.c (set_bb_for_stmt): Do not update the
8059 block-to-labels map if we are currently expanding to RTL.
8060 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8062 Handle IDENTIFIER_NODE.
8063 (tree_verify_flow_info): Do not ICE when emitting error
8064 messages about invalid labels.
8065 (dump_function_to_file): Reset CFUN before emitting the body
8067 (debug_function): New.
8068 * passes.c (init_optimization_passes): Schedule
8070 * langhooks-def.h (lhd_omp_predetermined_sharing,
8071 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8073 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8074 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8075 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8076 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8077 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8078 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8079 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8080 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8081 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8082 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8083 (LANG_HOOK_DECLS): Use them.
8085 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8086 Richard Henderson <rth@redhat.com>
8087 Jakub Jelinek <jakub@redhat.com>
8088 Diego Novillo <dnovillo@redhat.com>
8090 * c-parser.c (pragma_omp_clause): Define.
8091 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8092 (c_parser_compound_statement): Likewise.
8093 (c_parser_statement): Likewise.
8094 (c_parser_pragma): Handle omp pragmas.
8095 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8096 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8097 (c_parser_omp_clause_name, check_no_duplicate_clause,
8098 c_parser_omp_variable_list,
8099 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8100 c_parser_omp_clause_copyprivate,
8101 c_parser_omp_clause_default,
8102 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8103 c_parser_omp_clause_lastprivate,
8104 c_parser_omp_clause_nowait,
8105 c_parser_omp_clause_num_threads,
8106 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8107 c_parser_omp_clause_reduction,
8108 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8109 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8110 c_parser_omp_atomic, c_parser_omp_barrier,
8111 c_parser_omp_critical, c_parser_omp_flush,
8112 c_parser_omp_for_loop, c_parser_omp_for,
8113 c_parser_omp_master, c_parser_omp_ordered,
8114 c_parser_omp_sections_scope, c_parser_omp_sections,
8115 c_parser_omp_parallel, c_parser_omp_single,
8116 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8117 * c-pragma.c (init_pragma): Do omp pragma registration here.
8118 * c.opt (fopenmp): New flag.
8120 2006-01-18 Eric Christopher <echristo@apple.com>
8122 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8123 * config/darwin.h (GOMP_SELF_SPECS): Define.
8125 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8127 * rtl.h: Remove the prototype for reg_alloc.
8129 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8132 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8133 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8134 sjlj and dwarf2 exception handling.
8135 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8136 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8137 * pa/pa.c (function_value): Treat complex and vector types as
8139 (function_arg): Likewise. Only pass scalar floats in the floating
8140 point argument registers.
8141 * pa/t-slibgcc-dwarf-ver: New file.
8142 * pa/t-slibgcc-sjlj-ver: New file.
8143 * pa/t-slibgcc-elf-ver: Delete file.
8145 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8147 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8148 unlikely_test_section_p test.
8150 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8152 * mode-switching.c (optimize_mode_switching): Make it static.
8153 * basic-block.h: Remove the prototype for
8154 optimize_mode_switching.
8156 * modulo-sched.c (sms_schedule): Make it static.
8157 * rtl.h: Remove the prototype for sms_schedule.
8159 * postreload-gcse.c (gcse_after_reload_main): Make it static.
8160 * rtl.h: Remove the prototype for gcse_after_reload_main.
8162 * reg-stack.c (reg_to_stack): Make it static.
8163 * rtl.h: Remove the prototype for reg_to_stack.
8165 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
8167 * rtl.h: Remove the prototypes for regrename_optimize and
8168 copyprop_hardreg_forward.
8170 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
8172 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
8173 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
8174 Test against the appropriate null constant for the mode.
8175 If 'fixup_overlap' is true, swap the operands if they overlap.
8176 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
8177 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
8178 alpha_split_tmode_pair and adjust for above change.
8179 * config/alpha/alpha.md (movtf_internal): Adjust call to
8180 alpha_split_tfmode_pair and rely on it to swap the operands.
8181 (movti_internal): New insn and post-reload splitter.
8182 (movti): New expander.
8184 2006-01-18 Philippe De Muyter <phdm@macqel.be>
8186 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
8189 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8191 * rtlanal.c (global_reg_mentioned_p_1,
8192 global_reg_mentioned_p): Remove.
8193 * rtl.h: Remove the prototype for global_reg_mentioned_p.
8195 * flow.c (initialize_uninitialized_subregs): Make it static.
8196 * rtl.h: Remove the prototype for
8197 initialize_uninitialized_subregs.
8199 * function.c (instantiate_virtual_regs): Make it static.
8200 * function.h: Remove the prototype for
8201 instantiate_virtual_regs.
8203 * regmove.c (regmove_optimize, combine_stack_adjustments):
8205 * rtl.h: Remove the prototypes for regmove_optimize and
8206 combine_stack_adjustments.
8208 2006-01-17 Roger Sayle <roger@eyesopen.com>
8210 * config/i386/i386.c (COSTS_N_BYTES): New macro.
8211 (size_cost): Encode costs in bytes so that a reg-reg addition is
8212 equivalent to COSTS_N_INSNS(1).
8213 (override_options): Use the size_cost.branch_cost as the default
8214 ix86_branch_cost when optimizing for size.
8216 2006-01-18 Ben Elliston <bje@au.ibm.com>
8218 * Makefile.in (D32PBIT_FUNCS): New.
8219 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
8220 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
8221 D64PBIT_FUNCS and D128PBIT_FUNCS.
8222 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
8223 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
8225 (decnumber_dep): Define.
8226 * doc/libgcc.texi (Decimal float library routines): New node.
8227 * config/dfp-bit.h, config/dfp-bit.c: New files.
8229 2006-01-18 Ben Elliston <bje@au.ibm.com>
8231 * expr.c (emit_move_change_mode): Always adjust addresses, not
8232 just during reload. Copy replacements only during reload.
8233 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
8234 emit_move_via_integer.
8236 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
8238 * Makefile.in (check-%, check-consistency): Use $${srcdir}
8239 instead of $(srcdir) and ${srcdir}.
8241 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
8245 * arm.h (struct machine_function): Add pic_reg.
8246 * arm.c (arm_pic_register): Make unsigned.
8247 (arm_override_options): Only set arm_pic_register if
8248 TARGET_SINGLE_PIC_BASE.
8249 (use_return_insn): Only test for a pic register if it is fixed.
8250 (arm_compute_save_reg0_reg12_mask): Likewise.
8251 (thumb_compute_save_reg_mask): Likewise.
8252 (legitimate_pic_operand): Factor out some known invariants.
8253 (legitimize_pic_address): If we don't have a fixed pic register,
8254 then set up a pseudo in the function entry sequence. Handle the
8255 pic base being in a pseudo.
8256 (arm_load_pic_register): Handle the pic register being in a pseudo.
8257 (arm_expand_prologue): Only set up the pic register if it is fixed.
8258 (thumb_expand_prologue): Likewise.
8259 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
8260 (pic_load_addr_based_insn): Likewise.
8261 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
8264 2006-01-18 Ben Elliston <bje@au.ibm.com>
8266 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
8267 decimal float modes for all floating point registers.
8269 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
8270 match_code "mem" with match_test "macho_lo_sum_memory_operand".
8272 2006-01-17 Jakub Jelinek <jakub@redhat.com>
8275 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
8276 even when the pointer is not NULL.
8278 2006-01-16 Ian Lance Taylor <ian@airs.com>
8280 * common.opt (ftoplevel-reorder): New option.
8281 * cgraph.c (cgraph_asm_nodes): New global variable.
8282 (cgraph_asm_last_node): New static variable.
8283 (cgraph_order): New global variable.
8284 (cgraph_create_node): Set new order field.
8285 (cgraph_varpool_node): Likewise.
8286 (decide_is_variable_needed): Return true if not
8287 flag_toplevel_reorder.
8288 (cgraph_add_asm_node): New function.
8289 * cgraph.h (struct cgraph_node): Add order field.
8290 (struct cgraph_varpool_node): Add order field.
8291 (struct cgraph_asm_node): Define.
8292 (cgraph_asm_nodes, cgraph_order): Declare.
8293 (cgraph_add_asm_node): Declare.
8294 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
8296 (cgraph_varpool_assemble_pending_decls): Call it.
8297 (cgraph_output_pending_asms): New static function.
8298 (cgraph_finalize_compilation_unit): Call it.
8299 (struct cgraph_order_sort): Define.
8300 (cgraph_output_in_order): New static function.
8301 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
8302 !flag_toplevel_reorder case.
8303 * c-parser.c: Include "cgraph.h".
8304 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
8306 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
8307 than -fno-unit-at-a-time.
8308 * doc/invoke.texi (Option Summary): Mention
8309 -fno-toplevel-reorder.
8310 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
8311 -funit-at-a-time documentation.
8313 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
8314 Kazu Hirata <kazu@codesourcery.com>
8316 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
8318 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8320 * Makefile.in (FUNCTION_H): New. Use it instead of
8321 function.h throughout the file.
8322 * function.h: Include tree.h.
8324 2006-01-17 Ben Elliston <bje@au.ibm.com>
8326 * recog.c: Separate some functions with whitespace.
8328 2006-01-16 Richard Henderson <rth@redhat.com>
8330 Merge from gomp branch:
8331 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8332 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8333 and rename from struct inline_data. Rename callee* to dst*;
8334 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8335 transform_new_cfg, transform_return_to_modify, and
8336 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8338 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8339 (copy_decl_for_dup): Remove.
8340 * tree-inline.c (struct inline_data): Move to header.
8341 (insert_decl_map): Export.
8342 (remap_decl): Update for member name changes. Use copy_decl hook.
8343 Allow for replacement to be a non-decl. Remove dead code.
8344 (remap_type_1): Check for existing mapping.
8345 (remap_type): Export.
8346 (remap_decls): Update for member name changes.
8347 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8348 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8349 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8350 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8351 (tree_function_versioning, build_duplicate_type): Likewise.
8352 (copy_body_r): Likewise. Export.
8353 (copy_decl_for_dup): Split into ...
8354 (copy_decl_for_dup_finish, copy_decl_to_var,
8355 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8356 (replace_ref_tree, inlining_p): Remove.
8358 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8360 * ifcvt.c (if_convert): Make it static.
8361 * rtl.h: Remove the prototype for if_convert.
8363 * local-alloc.c (local_alloc): Make it static.
8364 * rtl.h: Remove the prototype for local_alloc.
8366 * loop.c (loop_optimize): Make it static.
8367 * cfgloop.h: Remove the prototype for loop_optimize.
8370 2006-01-16 DJ Delorie <dj@redhat.com>
8372 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8375 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8377 * pa.md: Disparage copies between general and floating-point registers
8378 in 32-bit move patterns.
8380 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8383 * Makefile.in (check-%): Depend on site.exp instead of
8384 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8387 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8389 * global.c (global_alloc): Make it static.
8390 * rtl.h: Remove the prototype for global_alloc.
8392 2006-01-16 Richard Guenther <rguenther@suse.de>
8394 * tree-ssa-alias.c (struct used_part): Add write_only field.
8395 (get_or_create_used_part_for): Initialize it to true.
8396 (create_overlap_variables_for): Don't create structure variables
8397 for structures that only are written to.
8398 (find_used_portions): Handle MODIFY_EXPR to track whether a
8399 structure is only written to.
8401 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8403 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8405 * basic-block.h: Remove the prototype for
8406 partition_hot_cold_basic_blocks.
8408 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8410 * cppspec.c (lang_specific_spec_functions): Remove.
8411 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8412 * gcc.h (lang_specific_spec_functions): Remove.
8413 * gccspec.c (lang_specific_spec_functions): Remove.
8415 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8417 * combine.c (record_value_for_reg): Invalidate registers
8419 (record_dead_and_set_regs_1): Likewise, by passing them to
8420 record_value_for_reg.
8421 (record_dead_and_set_regs): Invalidate stores made by a
8422 call. We do not combine across a call, but we still
8423 relied on equivalences.
8425 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8427 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8428 vrp_int_const_binop returning non-constant nodes.
8430 2006-01-16 Paul Brook <paul@codesourcery.com>
8432 * config/m68k/m68k.c (output_move_const_into_data_reg):
8433 Output correct mnemonic for mvz and mvs.
8435 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
8437 * rtl-factoring.c: Add sequence abstraction algorithm.
8438 * cfgcleanup.c (outgoing_edges_match): Extra checks.
8439 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
8441 (block_has_preserve_label): New function.
8442 * common.opt: Register new pass.
8443 * Makefile.in: Ditto.
8445 * timevar.def: Ditto.
8446 * tree-pass.h: Ditto.
8447 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8448 * rtl.h (make_jump_insn_raw): Add forward decl.
8449 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8451 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8452 Roger Sayle <roger@eyesopen.com>
8454 * fold-const.c (fold_minmax): New static function.
8455 (fold_binary) <MIN_EXPR>: Call it.
8456 <MAX_EXPR>: Likewise.
8457 * stor-layout.c (place_field): Use DECL_SIZE consistently
8458 in the computation of the new record size.
8460 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8462 * cse.c (cse_condition_code_reg): Make it static.
8463 * rtl.h: Remove the prototype for cse_condition_code_reg.
8465 * combine.c (combine_instructions): Make it static.
8466 * rtl.h: Remove the prototype for combine_instructions.
8468 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8471 * tree.c (get_file_function_name_long): Concatenate the first global
8472 object name with a string derived from the input filename of the object
8475 2006-01-16 Ben Elliston <bje@au.ibm.com>
8477 * config/i386/winnt-stubs.c: Update FSF address.
8478 * config/xtensa/ieee754-df.S: Ditto.
8479 * config/xtensa/ieee754-sf.S: Ditto.
8481 2006-01-14 Ian Lance Taylor <ian@airs.com>
8483 * ifcvt.c (noce_init_if_info): New static function, broken out of
8484 noce_process_if_block.
8485 (noce_process_if_block): Call noce_init_if_info.
8486 (check_cond_move_block): New static function.
8487 (cond_move_process_if_block): New static function.
8488 (process_if_block): Call cond_move_process_if_block.
8490 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8492 * cselib.c (hash_table): Rename to cselib_hash_table.
8493 (cselib_clear_table, discard_useless_values,
8494 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8495 cselib_init, cselib_finish): Adjust uses of hash_table.
8497 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8499 PR tree-optimization/25485
8500 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8501 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8502 is known to be false and true, respectively.
8504 2006-01-14 Richard Guenther <rguenther@suse.de>
8506 PR tree-optimization/22548
8507 PR tree-optimization/22555
8508 PR tree-optimization/22501
8509 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8510 * params.def (salias-max-array-elements): New parameter.
8511 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8512 * doc/invoke.texi (salias-max-array-elements): Document.
8513 * tree-flow-inline.h (var_can_have_subvars): We also handle
8515 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8517 * tree-ssa-structalias.c (params.h): Include.
8518 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8519 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8520 (get_constraint_for): For ADDR_EXPR operating on something
8521 containing an ARRAY_REF, add all subvars to the solution.
8522 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8523 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8524 for creating MUST_DEFs.
8525 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8527 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8529 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8531 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8532 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8533 number_of_iterations_le): New functions.
8534 (number_of_iterations_special): Removed.
8535 (number_of_iterations_exit): Do not use number_of_iterations_special.
8536 * tree.c (unsigned_type_for): Always return integer type.
8538 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8539 Richard Guenther <rguenther@suse.de>
8541 PR rtl-optimization/24257
8542 * gcse.c (find_moveable_store): Only consider a store movable
8543 when the SET_SRC of the insn can be assigned to a register.
8545 2006-01-14 Ian Lance Taylor <ian@airs.com>
8547 * tree.c (tree_not_class_check_failed): New function.
8548 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8549 (tree_not_class_check_failed): Declare.
8551 2006-01-13 Ian Lance Taylor <ian@airs.com>
8553 * reload1.c (do_output_reload): Add assertion rejecting a
8556 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8558 * combine.c (struct reg_stat): Add new fields truncation_label and
8560 (record_value_for_reg): Reset truncated_to_mode.
8561 (record_truncated_value): New function.
8562 (check_promoted_subreg): Call it. Rename to check_conversions.
8563 (combine_instructions): Rename check_promoted_subreg to
8565 (reg_truncated_to_mode): New function.
8566 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8567 (gen_lowpart_or_truncate): New function.
8568 (force_to_mode): Use it instead of gen_lowpart.
8570 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8572 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8573 VAR is a tag, not its type tag.
8575 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8577 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8578 alternatives to match style of other entries.
8579 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8581 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8583 PR tree-optimization/25771
8584 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8587 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8590 * tree-inline.c (declare_return_variable): If the return variable
8591 was marked as a non gimple complex, set the return slot variable
8592 to be a non gimple comple variable.
8594 2006-01-13 Richard Guenther <rguenther@suse.de>
8596 * builtins.c (expand_builtin_sincos): New function.
8597 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8599 (expand_builtin): Expand sincos using expand_builtin_sincos.
8601 2006-01-12 DJ Delorie <dj@redhat.com>
8603 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8604 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8605 so that constant shifts can be split.
8606 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8607 (m32c_valid_pointer_mode): Make static.
8608 (shift_gen_func_for): New.
8609 (m32c_prepare_shift): Use it. Split large const shifts into
8611 * config/m32c/predicates.md (shiftcount_operand): Allow more
8613 (longshiftcount_operand): New.
8614 * doc/md.texi (Machine Constraints): Document In6.
8616 2006-01-13 Ben Elliston <bje@au.ibm.com>
8618 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8619 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8622 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8624 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8625 to try to avoid clobbering pieces of structures when we know
8626 something about the whole structure.
8627 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8629 2006-01-13 Ben Elliston <bje@au.ibm.com>
8631 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8632 return in memory, as this is no limitation is no longer present.
8634 2006-01-12 DJ Delorie <dj@redhat.com>
8636 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8637 mova with fb, and for fb+0 -> An.
8639 * config/m32c/mov.md (peephole2): Fix enabling logic.
8641 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8642 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8643 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8644 FINI_ARRAY_SECTION_ASM_OP): Define.
8646 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8648 (m32c_legitimize_reload_address): New logic to reload FB to An.
8649 (m32c_output_reg_push): Add newline.
8650 (m32c_output_reg_pop): Likewise.
8652 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8654 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8656 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8658 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8660 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8662 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8665 2006-01-11 Ben Elliston <bje@au.ibm.com>
8667 * rtlanal.c (find_reg_note): Assert insn is not null.
8669 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8671 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8674 2006-01-11 Jeff Law <law@redhat.com>
8676 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8678 (mark_threaded_blocks, register_jump_thread): New functions.
8679 (thread_through_all_blocks): Remove unwanted argument. No
8680 longer rely on e->aux to communicate thread target info.
8681 Call mark_threaded_blocks. Release the threaded_blocks
8682 bitmap and threaded_edges vector when complete.
8683 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8684 (threaded_blocks): Remove.
8685 (tree_ssa_dominator_optimize): Remove initialization and
8686 finalization of threaded_blocks. Simplify call to
8687 thread_through_all_blocks.
8688 (thread_across_edge): Call register_jump_thread rather than
8689 storing thread information into e->aux.
8690 (free_all_edge_infos): Simplify now that e->aux is no longer
8691 used to communicate with thread_through_all_blocks.
8692 * tree-flow.h (thread_through_all_blocks): Update prototype.
8693 (register_jump_thread): Prototype.
8695 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8697 * df-core.c (df_compact_blocks, df_bb_replace): Use
8698 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8700 2006-01-11 Richard Guenther <rguenther@suse.de>
8702 PR tree-optimization/25734
8703 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8704 stop propagation after successful propagation to the LHS.
8706 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8708 * basic-block.h (control_flow_graph): Change the type of
8709 x_basic_block_info to VEC(basic_block,gc) *.
8710 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8712 (SET_BASIC_BLOCK): New.
8713 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8714 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8715 * cfgbuild.c (find_basic_blocks): Likewise.
8716 * cfglayout.c (fixup_reorder_chain): Likewise.
8717 * cfgrtl.c (create_basic_block_structure,
8718 rtl_create_basic_block): Likewise.
8719 * ifcvt.c (find_if_case_1): Likewise.
8720 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8723 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8725 * Makefile.in: Removed rotted odf.c entry.
8727 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8730 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8731 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8732 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8733 output pattern modifier, not %e.
8734 * config/cris/cris.c (cris_op_str): Update comment about pattern
8736 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8737 before falling through into...
8738 <case 'E'>: Redefined from old 'e' case.
8740 2006-01-11 Jan Hubicka <jh@suse.cz>
8743 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8745 2006-01-11 Jan Hubicka <jh@suse.cz>
8747 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8748 * i386.c (x86_decompose_lea): Kill.
8749 (ix86_rtx_costs): Kill.
8751 2006-01-11 Jan Hubicka <jh@suse.cz>
8753 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8754 * cgraph.h (cgraph_node): Add inline_decl.
8755 (cgraph_insert_node_to_hashtable): Declare.
8756 (save_inline_function_body): Declare.
8757 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8759 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8760 (cgraph_function_versioning): Update call of tree_function_versioning.
8761 (save_inline_function_body): New function.
8762 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8763 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8764 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8765 (cgraph_default_inline_p): Likewise.
8766 (cgraph_decide_inlining_incrementally): Likewise.
8767 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8768 (copy_bb): Kill saving; do updating of clones.
8769 (copy_cfg_body): Kill saving.
8770 (initialize_inlined-parameters): Likewise.
8771 (expand_call_inline): Likewise.
8773 (tree_function_versioning): New parameter "update_clones".
8774 (inlining_p): Kill saving.
8775 * tree-inline.h (tree_function_versioning): Update prototype.
8776 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8779 2006-01-11 Ian Lance Taylor <ian@airs.com>
8781 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8782 Allow undoing set of machine mode.
8783 (do_SUBST): Use enums instead of is_int.
8784 (do_SUBST_MODE): New function.
8785 (SUBST_MODE): New macro.
8786 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8787 reg and trying to replace reg_regno_rtx with a new register.
8788 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8789 (simplify_set): Use SUBST_MODE.
8790 (distribute_notes): Remove code that tried to update reg notes
8791 for regno_reg_rtx changes.
8793 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8795 PR tree-optimization/23109
8796 PR tree-optimization/23948
8797 PR tree-optimization/24123
8799 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8800 * tree-cfg.c (single_noncomplex_succ): New.
8801 * tree-flow.h (single_noncomplex_succ): Declare it.
8802 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8803 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8804 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8805 insert_bb, register_division_in, insert_reciprocals,
8806 replace_reciprocal, free_bb): New.
8807 (execute_cse_reciprocals_1): Rewritten.
8808 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8809 Do not commit any edge insertion. Always compute dominators and
8810 create the allocation pool.
8811 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8812 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8813 * targhooks.c (default_min_divistions_for_recip_mul): New.
8814 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8815 * passes.c (init_optimization_passes): Run recip after tree loop
8817 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8819 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8820 Kenneth Zadeck <zadeck@naturalbridge.com>
8822 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8823 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8824 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8825 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8826 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8827 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8828 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8829 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8830 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8831 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8832 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8833 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8834 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8835 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8836 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8837 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8838 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8839 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8840 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8841 DF_SCAN_POST_ALLOC): New macros.
8842 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8843 df_free_bb_function, df_local_compute_function, df_init_function,
8844 df_dataflow_function, df_confluence_function_0,
8845 df_confluence_function_n, df_transfer_function,
8846 df_finalizer_function, df_free_function, df_dump_problem_function,
8847 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8848 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8849 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8850 df_urec_bb_info, ) New types.
8851 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8853 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8854 df_analyze_simple_change_some_blocks,
8855 df_analyze_simple_change_one_block, df_compact_blocks,
8856 df_bb_replace, df_bb_regno_last_use_find,
8857 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8858 df_insn_regno_def_p, df_find_def, df_find_use,
8859 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8860 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8861 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8862 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8863 debug_df_chain, df_get_dependent_problem, df_chain_create,
8864 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8865 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8866 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8867 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8868 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8869 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8870 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8871 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8872 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8873 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8874 df_reorganize_refs, df_set_state, df_hard_reg_init,
8875 df_read_modify_subreg_p) New public functions.
8876 * df-core.c: The core dataflow solver and glue routines for rtl
8878 (df_init, df_add_problem, df_set_blocks, df_finish,
8879 df_hybrid_search_forward, df_hybrid_search_backward,
8880 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8881 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8882 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8883 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8884 df_reg_defined, df_find_use, df_reg_used, df_dump,
8885 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8886 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8887 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8888 debug_df_useno, reset_df_after_reload): New functions.
8889 * df-scan.c: The scanning fuctions, once in df.c, completely
8890 rewritten so that they now fully model the functionality of
8891 register usage at the backend.
8892 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8893 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8894 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8895 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8896 df_get_artificial_defs, df_get_artificial_uses,
8897 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8898 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8899 df_refs_delete, df_reorganize_refs, df_set_state,
8900 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8901 df_def_record_1, df_defs_record, df_uses_record,
8902 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8903 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8904 df_record_exit_block_uses, df_hard_reg_init): New functions.
8906 * df-problems.c: Seven concrete dataflow problems that use the
8907 scanning in df-scan.c and are solved by the engine in df-core.c.
8908 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8909 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8910 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8911 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8912 df_ru_free_bb_info, df_ru_alloc,
8913 df_ru_bb_local_compute_process_def,
8914 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8915 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8916 df_ru_transfer_function, df_ru_free, df_ru_dump,
8917 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8918 df_rd_free_bb_info, df_rd_alloc,
8919 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8920 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8921 df_rd_transfer_function, df_rd_free, df_rd_dump,
8922 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8923 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8924 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8925 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8926 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8927 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8928 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8929 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8930 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8931 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8932 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8933 df_urec_mark_reg_use_for_earlyclobber,
8934 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8935 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8936 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8937 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8938 df_chain_create_bb_process_use, df_chain_create_bb,
8939 df_chain_finalize, df_chain_free, df_chains_dump,
8940 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8941 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8942 df_reg_lifetime): New functions.
8943 * df.c: Deleted file.
8944 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8945 consistent with new df api.
8946 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8947 rest_of_handle_sms): Ditto.
8948 * web.c (unionfind_union, union_defs, entry_register, web_main):
8950 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8951 invariant_expr_equal_p, find_defs, check_dependencies,
8952 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8953 free_inv_motion_data, move_loop_invariants): Ditto.
8954 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8955 Update dependencies.
8956 (odf.c): Added defective entry that was deleted later in day.
8957 * sched-deps.c (sched_analyze_1): Ditto.
8959 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8961 * tree-ssa-operands.c (get_expr_operands): Record addressable
8962 variables directly. Do not call add_stmt_operands for CONST_DECLs
8964 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8965 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8967 2006-01-11 Ben Elliston <bje@au.ibm.com>
8969 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8970 function returns true in the positive case.
8972 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8975 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8976 for SI, DI, SF and DF modes. Add alternatives to copy between
8977 general and floating point registers to the 32-bit patterns.
8978 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8979 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8980 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8981 generating 64-bit code.
8982 * config/pa/pa.c (output_move_double): Handle copies between general
8983 and floating registers.
8985 2006-01-10 Stuart Hastings <stuart@apple.com>
8987 * config/i386/i386.md (set_got): Update.
8988 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8989 (builtin_setjmp_receiver): Mach-O support.
8990 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8991 (GOT_SYMBOL_NAME): Define.
8992 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8993 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8994 * config/i386/i386.c (override_options): Revise for Darwin.
8995 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8996 support. (darwin_x86_file_end): New. (output_set_got): Add label
8997 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8998 * config/i386/i386-protos.h (output_set_got): Likewise.
8999 * config/darwin.c (machopic_legitimize_pic_address): Update
9002 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9004 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9005 when MODE isn't BLKmode.
9007 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9009 PR rtl-optimization/25367
9010 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9012 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9015 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9016 for a negative bound.
9018 2006-01-10 Richard Guenther <rguenther@suse.de>
9020 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9021 Never override with anything constraint.
9023 2006-01-10 Jan Beulich <jbeulich@novell.com>
9025 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9026 256 bits when optimize_size.
9028 2006-01-10 Jan Beulich <jbeulich@novell.com>
9030 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9032 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9033 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9036 2006-01-10 Ben Elliston <bje@au.ibm.com>
9038 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9040 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9041 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9042 (USE_FP_FOR_ARG): Reject decimal float modes.
9043 (function_arg_advance): Likewise.
9044 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9045 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9046 point types in AltiVec vectors.
9047 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9048 (rs6000_libcall_value): Likewise.
9050 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9052 * config/xtensa/ieee754-df.S: New file.
9053 * config/xtensa/ieee754-sf.S: New file.
9054 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9055 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9056 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9058 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9060 * config/sh/predicates.md (binary_float_operator,
9061 binary_logical_operator, commutative_float_operator,
9062 equality_comparison_operator, greater_comparison_operator,
9063 less_comparison_operator, logical_operator,
9064 noncommutative_float_operator, shift_operator,
9065 symbol_ref_operand, unary_float_operator): Remove redundant
9068 2006-01-09 Jeff Law <law@redhat.com>
9070 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9071 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9072 now unused arguments. Callers updated.
9073 (eliminate_redundant_computations): Remove now unused arguments,
9075 (local_fold): Remove, no longer used.
9076 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9078 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9079 (simplify_cond): New function.
9080 (forward_propagate_into_cond): Call simplify_cond.
9082 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9084 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9085 (*vec_extractv2di_1_sse): New.
9087 2006-01-09 Ben Elliston <bje@au.ibm.com>
9089 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9091 2006-01-08 Richard Guenther <rguenther@suse.de>
9093 * tree-ssa-structalias.c (get_constraint_for): Remove
9095 (get_constraint_for_component_ref): Likewise.
9096 (do_deref): Likewise.
9097 (get_constraint_for): Likewise.
9098 (do_structure_copy): Likewise.
9099 (handle_ptr_arith): Likewise.
9100 (find_func_aliases): Likewise. Remove unused need_anyoffset
9103 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9104 Kaz Kojima <kkojima@gcc.gnu.org>
9106 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9107 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9108 (EXTRA_CONSTRAINT_C16): Remove.
9109 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9110 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9111 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9112 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9113 constants of SHmedia. Handle nested constant expressions of
9115 (andcosts): Fix the costs for SHmedia constants.
9116 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9117 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9118 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9119 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9120 (movv4hi_i, movv2si_i): Likewise.
9121 (movsi_const): Adjust the second operand of ior so to match with
9123 (movdi_const, movdi_const_32bit): Likewise.
9124 (movdi_const_16bit+1): Don't sign-extend LOW.
9125 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9127 (*double_shori): Fix the split condition. Use GEN_INT instead
9128 of get_int_mode calls. Mask lower 16-bit of the argument of
9130 (sym2GOTPLT): Remove.
9131 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9133 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9134 instead of EXTRA_CONSTRAINT_C16.
9136 2006-01-07 Ian Lance Taylor <ian@airs.com>
9137 David Edelsohn <edelsohn@gnu.org>
9139 PR rtl-optimization/25662
9140 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9141 for constant operands instead of simplify_gen_binary.
9142 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9143 after trying simplify_binary_operation
9145 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9147 * tree.c (iterative_hash_expr): Hash decls based on UID.
9149 2006-01-06 Eric Christopher <echristo@apple.com>
9151 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9152 (TARGET_UNWIND_EMIT): Fix spelling.
9153 * target.h (gcc_target): Add except_table_label.
9154 * except.c (output_function_exception_table): Use.
9155 * varasm.c (default_emit_except_table_label): New.
9156 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9158 (asm_out): Add here.
9159 * output.h (default_emit_except_table_label): Prototype.
9160 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
9161 * config/darwin.c (darwin_emit_except_table_label): Define.
9162 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
9164 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
9166 PR tree-optimization/18527
9167 * tree-ssa-loop-niter.c (number_of_iterations_cond,
9168 number_of_iterations_special, number_of_iterations_exit):
9169 Move base and step of an iv to a single structure. Add
9170 no_overflow flag, and use it in # of iterations analysis.
9171 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
9172 folded_casts argument.
9173 (simple_iv): Pass base and step in a structure. Set no_overflow
9175 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
9176 Evaluate expensiveness of computing # of iterations instead of
9177 the final expression.
9178 * tree-scalar-evolution.h (affine_iv): New structure.
9179 (simple_iv): Declaration changed.
9180 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
9181 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
9182 find_givs_in_stmt): Changed due to simple_iv change.
9184 2006-01-06 Jeff Law <law@redhat.com>
9187 * tree-cfg.c (bsi_replace): Rename final argument from
9188 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
9189 change (stmt -> orig_stmt).
9190 * tree-eh.c (verify_eh_throw_stmt_node): New function.
9191 (bsi_remove): Add new argument. Remove EH information
9193 (verify_eh_throw_table_statements): New function.
9194 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
9196 * tree-optimize.c (execute_free_cfg_annotations): Verify
9197 the EH throw statement table after removing annotations.
9198 * except.h (verify_eh_throw_table_statements): Prototype.
9199 * tree-flow.h (bsi_remove): Update prototype.
9200 * tree-vrp.c (remove_range_assertions): Add new argument to
9202 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
9203 * tree-complex.c (expand_complex_div_wide): Likewise.
9204 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
9205 * tree-tailcall.c (eliminate_tailcall): Likewise.
9206 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
9207 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9208 * tree-nrv.c (tree_nrv): Likewise.
9209 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
9210 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
9211 (combine_blocks): Likewise.
9212 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
9213 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
9214 (cleanup_control_flow): Likewise.
9215 (remove_forwarder_block): Likewise.
9216 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9217 * tree-sra.c (sra_replace): Likewise.
9218 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
9219 (forward_propagate_single_use_vars): Likewise.
9220 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
9221 * tree-inline.c (expand_call_inline): Likewise.
9222 * tree-vect-transform.c (vect_transform_loop): Likewise.
9223 * tree-outof-ssa.c (rewrite_trees): Likewise.
9224 * tree-cfg.c (make_goto_expr_edges): Likewise.
9225 (cleanup_dead_labels): Likewise.
9226 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
9227 (bsi_move_before, bsi_move_after): Likewise.
9228 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
9229 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
9231 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
9234 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
9236 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
9237 on non gimple variables. Also add checks at the top for decls and
9239 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
9241 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
9242 and IMAGPART_EXPR for creating MUST_DEFs.
9243 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
9244 and NAME_MEMORY_TAG separately from the DECLs.
9246 2006-01-06 Richard Guenther <rguenther@suse.de>
9248 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
9249 annotation, if necessary.
9250 * tree-ssa-pre.c (create_expression_by_pieces): Remove
9251 redundant calls to update_stmt.
9252 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
9255 2006-01-05 Richard Henderson <rth@redhat.com>
9257 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
9259 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9261 * c-typeck.c: Update copyright date.
9263 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
9265 * c-typeck.c (build_c_cast): Always warn when casting
9266 from a pointer to an integer of different size, even if
9267 the node was constant.
9269 2006-01-05 Richard Guenther <rguenther@suse.de>
9271 PR tree-optimization/22555
9272 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
9273 if one structure field is an array.
9274 * tree-ssa-operands.c (get_expr_operands): Continue scanning
9275 operands even if we found a subvar, but ignore VOPs in this
9277 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
9279 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
9281 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
9284 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
9286 2006-01-05 Richard Guenther <rguenther@suse.de>
9287 Diego Novillo <dnovillo@redhat.com>
9289 * tree-pass.h (TODO_remove_unused_locals): Define.
9290 * gimple-low.c (expand_var_p, remove_useless_vars,
9291 pass_remove_useless_vars): Remove. Update all users.
9292 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
9293 (remove_unused_locals): New function.
9294 * tree-flow.h (remove_unused_locals): Declare.
9295 * passes.c (execute_todo): Call remove_unused_locals if
9296 TODO_remove_unused_locals is set.
9297 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
9298 * tree-ssa-dce.c (pass_dce): Likewise.
9299 * tree-outof-ssa.c (pass_del_ssa): Likewise.
9301 2006-01-05 Richard Guenther <rguenther@suse.de>
9303 * tree-flow.h (struct fieldoff): Decompose field to
9304 type, size and decl.
9305 * tree-ssa-alias.c (create_sft): Take type as parameter.
9306 (create_overlap_variables_for): Store type, size and decl
9307 in the fieldoff structure.
9308 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
9310 (push_fields_onto_fieldstack): Likewise.
9311 (create_variable_info_for): Likewise. Use offset for the
9312 SFT name if the decl is not available.
9314 2006-01-04 Paul Brook <paul@codesourcery.com>
9316 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
9318 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9320 * lambda-code.c (can_put_in_inner_loop): Relax
9322 (can_put_after_inner_loop): New function.
9323 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9324 (perfect_nestify): Change to make copies and modify uses.
9326 2006-01-04 Richard Henderson <rth@redhat.com>
9328 Merge from gomp branch:
9329 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9330 via integer constant.
9331 (pragma_lex): Remove.
9332 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9333 rather than parsing it.
9334 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9335 handle_pragma_extern_prefix): Add %< %> quotes.
9336 (registered_pragmas): New.
9337 (c_register_pragma_1): New.
9338 (c_register_pragma): Use it.
9339 (c_register_pragma_with_expansion): Likewise.
9340 (c_invoke_pragma_handler): New.
9341 (init_pragma): Use cpp_register_deferred_pragma directly for
9343 * c-pragma.h (enum pragma_kind): New.
9344 (pragma_handler): New.
9345 (c_invoke_pragma_handler): Declare.
9346 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9348 * c-common.h (c_common_pch_pragma): Update decl.
9349 * Makefile.in (c-parser.o): Update dependencies.
9350 (GTFILES): Add c-pragma.h.
9351 * c-parser.c (struct c_token): Add pragma_kind.
9352 (struct c_parser): Add in_pragma.
9353 (c_lex_one_token): Always initialize keyword and pragma_kind.
9354 Extract data for CPP_PRAGMA.
9355 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9356 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9357 Don't allow CPP_PRAGMA_EOL if in_pragma.
9358 (c_parser_consume_pragma): New.
9359 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9360 (c_parser_skip_to_end_of_parameter): Likewise.
9361 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9362 (c_parser_skip_to_pragma_eol): New.
9363 (c_parser_external_declaration): Handle CPP_PRAGMA.
9364 (c_parser_compound_statement_nostart): Likewise.
9365 (c_parser_statement_after_labels): Likewise.
9366 (c_parser_pragma): New.
9367 (pragma_lex): Likewise.
9368 (c_parser_pragma_pch_preprocess): New.
9369 (c_parser_new): Merge into ...
9370 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9372 2006-01-04 Jeff Law <law@redhat.com>
9375 * tree-cfg.c (bsi_replace): Remove the original statement
9376 from the EH throw statement table.
9378 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9380 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9381 make the prototype extern "C" and add throw ().
9384 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9385 and pos non-negative and pos + len <= 32.
9386 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9387 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9388 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9391 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9392 as well as sizes not multiple of component size.
9395 * function.c (instantiate_expr): New function.
9396 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9397 walk its DECL_VALUE_EXPR with instantiate_expr.
9399 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9400 DW_OP_deref{,_size} if address isn't going to be added.
9402 2006-01-04 Ben Elliston <bje@au.ibm.com>
9404 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9405 * config/fp-bit.c: Likewise.
9407 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9409 * dominance.c: Add comment about why we use DFS numbering
9412 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9413 Richard Henderson <rth@redhat.com>
9415 Merge from gomp-branch:
9416 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9417 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9419 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9421 PR rtl-optimization/25578
9422 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9423 pass a parameter to simplify_shift_const if changing ASHIFTRT
9426 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9428 * builtins.c (get_builtin_sync_mem): New function.
9429 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9430 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9431 Call get_builtin_sync_mem to generate mem rtx.
9433 2006-01-03 Richard Guenther <rguenther@suse.de>
9436 * stmt.c (add_case_node): Make sure to clear overflow flags
9439 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9441 Merge from gomp-branch.
9442 * config/sparc/sync.md: New file.
9443 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9444 UNSPECV_LDSTUB): New constants.
9445 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9446 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9447 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9450 2006-01-03 Roger Sayle <roger@eyesopen.com>
9452 * combine.c (reg_subword_p): New predicate to test whether the
9453 destination of a set refers to a subword/piece of a register.
9454 (try_combine): Generalize the code to merge the setting of a
9455 pseudo to a constant followed by a set of a subword of that
9456 register to a constant.
9458 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9460 * basic-block.h (control_flow_graph): Change the type of
9461 x_label_to_block_map to VEC(basic_block,gc) *.
9462 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9463 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9465 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9466 VEC(basic_block,heap) *.
9467 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9468 ssa_prop_fini): Adjust the uses of cfg_blocks.
9470 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9472 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9474 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9475 hashing trees instead of a pointer hash.
9476 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9477 compare for MEM_EXPR.
9479 PR rtl-optimization/25130
9480 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9481 when comparing MEMs for GCSE
9483 2006-01-03 Ben Elliston <bje@au.ibm.com>
9485 * targhooks.h (default_decimal_float_supported_p): Declare.
9486 * targhooks.c (default_decimal_float_supported_p): Define.
9487 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9488 `default_decimal_float_supported_p'.
9489 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9491 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9493 * combine.c (apply_distributive_law <SUBREG>): Check
9494 TRULY_NOOP_TRUNCATION.
9496 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9498 * dwarf2out.c (have_switched_text_section): Delete.
9499 (have_multiple_function_sections): New.
9500 (have_location_lists): Make 'bool'.
9501 (add_AT_loc_list): Use 'true' not '1'.
9502 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9503 (output_loc_list): Use have_multiple_function_sections.
9504 (output_ranges): Likewise.
9505 (dwarf2out_begin_function): Set have_multiple_function_sections if
9507 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9508 Check function_section rather than DECL_SECTION_NAME.
9509 (dwarf2out_finish): Use have_multiple_function_sections.
9510 Don't clear have_location_lists.
9512 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9513 Jan Hubicka <jh@suse.cz>
9515 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9516 case of conditional jump jumping to the next instruction.
9517 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9518 cases of conditional jump jumping to the next instruction.
9520 2006-01-02 Jan Hubicka <jh@suse.cz>
9522 * i386.c (*_cost): Add COSTS_N_INSNS.
9523 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9525 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9528 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9530 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9532 * config/arm/arm.c (all_fpus): Fix comment typo.
9533 * config/darwin.c: Likewise.
9534 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9535 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9536 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9538 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9540 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9541 (rs6000_split_compare_and_swapqhi): New.
9542 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9543 (sync_compare_and_swapqhi_internal): New.
9544 * config/rs6000/rs6000-protos.h: Declare.
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