1 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
4 Declare VECs of this type.
5 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6 (remove_children): Delete.
7 (add_dwarf_attr): Use VEC routines.
8 (add_AT_flag): Update for changes to add_dwarf_attr.
9 (add_AT_int): Likewise.
10 (add_AT_unsigned): Likewise.
11 (add_AT_long_long): Likewise.
12 (add_AT_vec): Likewise.
13 (add_AT_string): Likewise.
14 (add_AT_die_ref): Likewise.
15 (add_AT_fde_ref): Likewise.
16 (add_AT_loc): Likewise.
17 (add_AT_loc_list): Likewise.
18 (add_AT_addr): Likewise.
19 (add_AT_lbl_id): Likewise.
20 (add_AT_lineptr): Likewise.
21 (add_AT_macptr): Likewise.
22 (add_AT_offset): Likewise.
23 (add_AT_range_list): Likewise.
24 (get_AT): Use VEC_iterate.
25 (remove_AT): Use VEC_ordered_remove.
26 (free_die): Fold remove_children into here; have it use VEC_iterate.
27 (print_die): Use VEC_iterate on attrs.
28 (reverse_die_lists): Don't reverse attr lists.
29 (die_checksum): Use VEC_iterate on attrs.
30 (same_die_p): Likewise.
31 (output_location_lists): Likewise.
32 (build_abbrev_table): Likewise.
33 (size_of_die): Likewise.
34 (unmark_all_dies): Likewise.
35 (output_abbrev_section): Likewise.
36 (output_die): Likewise.
37 (prune_unused_types_walk_attribs): Likewise.
39 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
41 * doc/install.texi (*-*-solaris2*): Point to the configure page.
43 2006-04-10 Jakub Jelinek <jakub@redhat.com>
46 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
48 2006-04-09 Roger Sayle <roger@eyesopen.com>
50 * expr.c (store_constructor): Don't bother clearing target if
51 we're about to assign a vector to it using vec_init_optab.
53 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
55 * tree-ssa-alias.c (lhs_may_store_to): New function.
56 (recalculate_used_alone): Handle LHS of calls.
58 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
62 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
63 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
64 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
65 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
66 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
67 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
68 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
69 stubs. Add ".align 8" directives before all ".dword" directives.
70 (GTHREAD_USE_WEAK): Revise comment.
71 (TARGET_ATTRIBUTE_WEAK): Define.
72 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
73 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
74 * stublib.c: New file.
79 * pa.md (cbranch patterns): Revise arguments used in calls to
80 output_cbranch, output_bb and output_bvd. Add long branch length
82 (fbranch patterns): Handle long branches.
83 (jump): Revise length check. Revise arguments for output_lbranch call.
84 Add long branch length attributes.
85 (decrement_and_branch_until_zero): Add long branch length attributes.
86 (output_movb, output_parallel_addb and output_parallel_movb patterns):
87 Likewise. Revise arguments for output_parallel_addb and
88 output_parallel_movb calls.
89 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
90 output_parallel_movb and output_parallel_addb): Update prototypes.
91 * pa.c (output_cbranch): Revise arguments. Correct handling of
92 nullification in long branches.
93 (output_lbranch): Add new argument to control extraction of delay
95 (output_bb): Handle long branches.
96 (output_bvb, output_dbra, output_movb, output_parallel_movb,
97 output_parallel_addb): Likewise.
99 2006-04-09 Richard Sandiford <richard@codesourcery.com>
101 PR rtl-optimization/27073
102 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
105 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
107 * tree.h (tree_memory_tag): Add old_used_alone.
108 (SMT_OLD_USED_ALONE): New macro.
109 * tree-ssa-alias.c (recalculate_used_alone): Stop
110 marking things for renaming unnecessarily.
112 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
114 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
115 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
116 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
117 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
118 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
119 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
120 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
121 spelling convensions.
122 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
123 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
124 typos. Follow spelling conventions.
126 2006-04-07 DJ Delorie <dj@redhat.com>
128 * config/m32c/m32c.c (m32c_function_arg): Structures are always
130 (m32c_init_cumulative_args): When a function returns a structure,
131 always pass the pointer to that return area on the stack.
132 (m32c_function_arg_advance): Don't increment the parameter number
133 if we're processing the returned structure pointer.
134 (pushm_info): Reverse order of registers.
136 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
138 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
139 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
140 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
141 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
143 * tree-chrec.c (chrec_fold_multiply_poly_poly,
144 chrec_fold_multiply): Same.
145 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
146 force_expr_to_var_cost): Same.
147 * tree-mudflap.c (mf_xform_derefs_1): Same.
148 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
150 2006-04-07 David Edelsohn <edelsohn@gnu.org>
152 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
153 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
156 2006-04-07 Jan Hubicka <jh@suse.cz>
158 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
160 2006-04-07 Richard Guenther <rguenther@suse.de>
162 PR tree-optimization/26135
163 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
164 loads for store copy-prop.
165 (copy_prop_visit_stmt): Likewise.
167 2006-04-05 Robert Millan <robertmh@gnu.org>
169 * gcc/config/i386/linux.h: Add a comment to mark macros that are
170 being overriden in config/k*bsd-gnu.h.
171 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
173 * gcc/config/knetbsd-gnu.h: Ditto.
175 2006-04-06 Jan Hubicka <jh@suse.cz>
179 * coverage.c (coverage_checksum_string): Reorganize loop to not read
182 2006-04-06 Mike Stump <mrs@apple.com>
184 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
185 for HAVE_nonlocal_goto to be consistent.
186 (expand_builtin_nonlocal_goto): Likewise.
187 (expand_builtin_strcmp): Use #ifdef instead of #if
188 for HAVE_cmpstrnsi to be consistent.
190 2006-04-05 DJ Delorie <dj@redhat.com>
192 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
195 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
197 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
198 got-relative addressing for anything but SImode.
200 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
201 even if the calling function doesn't modify them.
203 2006-04-05 Richard Guenther <rguenther@suse.de>
205 PR tree-optimization/26919
206 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
207 to cgraph_estimate_size_after_inlining.
209 2006-04-05 Alan Modra <amodra@bigpond.net.au>
211 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
213 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
215 PR tree-optimization/26996
216 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
217 VECTOR_TYPE variables.
219 2006-04-05 Richard Guenther <rguenther@suse.de>
221 PR tree-optimization/26763
222 * fold-const.c (fold_comparison): Move folding of
223 PTR + CST CMP PTR + CST ...
224 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
226 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
228 * doc/install.texi (Prerequisites): Refine some wording on
229 bootstrapping and ksh.
230 Move the version numbers of DejaGnu here from the testing section
231 and fix casing of names.
232 Fix markup and clarify wording for autogen requirements.
233 Refer to GCJ instead of just java.
234 Refer to SVN instead of CVS.
235 Describe diffutils as useful instead of necessary.
236 (Downloading the source): Refer to SVN instead of CVS.
237 Adjust a link to our web site accordingly.
238 (Configuration): Fix casing of Bison.
239 (Building): Refer to SVN instead of CVS.
240 Fix a sentence on the use of Bison and remove duplicate (and
241 incorrect) version number of Bison requirement.
242 Remove one redundant list of packages needed for building.
243 (Specific): Avoid reference to CVS.
245 2006-04-04 Eric Christopher <echristo@apple.com>
247 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
248 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
249 (rs6000_handle_struct_attribute): New.
250 (rs6000_ms_bitfield_layout_p): Ditto.
252 2006-04-04 Geoffrey Keating <geoffk@apple.com>
254 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
255 NULL for dso parameter to atexit_common.
257 2006-04-04 Eric Christopher <echristo@apple.com>
259 * config/i386/i386.c (machopic_output_stub): Output \t
260 between instructions and operands.
262 2006-04-04 David Edelsohn <edelsohn@gnu.org>
264 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
265 satisfies_constraint_[IL] to explicit tests on value.
267 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
269 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
270 set_nb_iterations_in_loop): Use build_int_cst instead of
272 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
273 build_int_cst instead of convert.
275 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
277 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
278 new value 2 for incoming.
279 * function.c (expand_function_start): Call struct_value_rtx
281 * config/sparc/sparc.md: Comment updated_return.
282 * config/sparc/sparc.opt: Add -mstd-struct-return option.
283 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
284 struct return if sparc_std_struct_return and incoming is 2.
285 (print_operand): Do not adjust return if
286 sparc_std_struct_return.
288 2006-04-04 Roger Sayle <roger@eyesopen.com>
290 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
291 convert in the middle-end.
292 * expr.c (store_expr, store_constructor, get_inner_reference,
293 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
295 * tree.c (build_range_type): Likewise.
297 2006-04-04 Tom Tromey <tromey@redhat.com>
299 * doc/install.texi (Prerequisites): Mention jar.
301 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
303 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
306 2006-04-04 Matthias Klose <doko@debian.org>
308 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
310 2006-04-03 Geoffrey Keating <geoffk@apple.com>
312 * doc/extend.texi (Function Attributes): Rewrite visibility
313 attribute documentation.
314 * doc/invoke.texi (C++ Dialect Options): Rewrite
315 -fvisibility-inlines-hidden documentation to describe something
316 entirely different, although in practise compatible.
317 (Code Gen Options): Warn about system headers in -fvisibiltity=
320 * doc/extend.texi (Other Builtins): Document that
321 __builtin_nan is a compile-time constant only when its argument
324 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
326 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
327 trying to remove TRUNCATE check if all bits outside the new mode
328 are identical to the sign bit.
330 2006-04-03 Jeff Law <law@redhat.com>
332 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
333 and operand scanning in some common cases.
335 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
336 Dale Johannesen <dalej@apple.com>
339 * regclass.c (struct reg_pref): Update documentation.
340 (regclass): Set prefclass to NO_REGS if memory is the best option.
341 (record_reg_classes): Cope with a prefclass set to NO_REGS.
342 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
343 into account. For non-registers, equate an empty preferred
344 reload class to a `!' in the constraint; move the if clause to
345 do so after those that reject the insn.
346 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
348 (find_dummy_reload): Likewise.
349 * doc/tm.texi (Register Classes): Document what it means
350 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
351 * config/i386/i386.c (ix86_preferred_reload_class): Force
352 using SSE registers (and return NO_REGS for floating-point
353 constants) if math is done with SSE.
354 (ix86_preferred_output_reload_class): New.
355 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
356 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
357 * config/i386/i386.md: Remove # register preferences.
359 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
362 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
363 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
365 (instantiate_parameters_1): Convert the operands before calling
366 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
367 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
369 2006-04-02 Roger Sayle <roger@eyesopen.com>
371 * builtins.c (dummy_object): Use build_int_cst instead of convert.
372 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
374 * dojump.c (do_jump): Likewise.
375 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
376 * gimplify.c (gimple_boolify, gimplify_init_constructor,
377 gimplify_boolean_expr): Likewise.
378 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
379 * varasm.c (array_size_for_constructor): Likewise.
380 * tree-object-size.c (compute_object_offset): Likewise.
382 2006-04-02 Roger Sayle <roger@eyesopen.com>
385 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
386 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
388 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
390 PR tree-optimization/26939
391 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
393 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
395 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
396 at_stmt. Convert the type of operands before calling
397 build_polynomial_chrec.
398 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
400 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
401 (instantiate_parameters_1): Convert the type of operands before calling
402 build_polynomial_chrec.
403 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
404 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
405 reset_evolution_in_loop): Insert asserts to check the types of the
407 (chrec_type): Moved...
408 (eq_evolutions_p): Use operand_equal_p.
409 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
410 the types of the operands.
411 (chrec_type): ...here.
412 * tree-data-ref.c (create_data_ref): Convert the operands before
413 calling chrec_replace_initial_condition.
414 (same_access_functions, analyze_subscript_affine_affine,
415 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
416 (compute_subscript_distance, analyze_ziv_subscript,
417 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
418 analyze_miv_subscript): Convert the operands before calling
419 chrec_fold_minus or chrec_fold_plus.
421 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
423 * tree-data-ref.c (compute_all_dependences): Use a pointer to
424 the dependence_relations vector.
425 (compute_data_dependences_for_loop): Adjust call to
426 compute_all_dependences.
428 2006-04-01 Roger Sayle <roger@eyesopen.com>
429 Richard Henderson <rth@redhat.com>
431 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
432 gimple_boolify on the condition before calling gimplify_expr.
434 2006-03-31 Bob Wilson <bob.wilson@acm.org>
436 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
437 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
438 the frame size. Update to use the new macros.
439 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
440 * config/xtensa/ieee754-df.S: Likewise.
442 2006-03-31 Richard Henderson <rth@redhat.com>
444 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
445 (make_edges): ... here. Control fallthru creation with a local
446 variable. Do not play with fake edges.
447 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
448 (make_goto_expr_edges): Don't play with fake edges. Make for_call
451 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
453 * dwarf2.h (DW64_CIE_ID): Define.
454 * dwarf2out.c (DWARF_CIE_ID): Define.
455 (output_call_frame_info): Output 0xffffffff before standard 8-byte
456 length header. Use DWARF_CIE_ID.
457 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
458 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
460 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
462 * config/sh/linux-atomic.asm: New file.
463 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
465 2006-03-31 DJ Delorie <dj@redhat.com>
467 * config/m32c/cond.md: Set condition flags properly throughout.
468 * config/m32c/minmax.md: Likewise.
469 * config/m32c/prologue.md: Likewise.
470 * config/m32c/bitops.md: Likewise.
471 * config/m32c/muldiv.md: Likewise.
472 * config/m32c/mov.md: Likewise.
473 * config/m32c/addsub.md: Likewise.
474 * config/m32c/m32c.md: Likewise.
475 * config/m32c/jump.md: Likewise.
476 * config/m32c/shift.md: Likewise.
478 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
479 conditionally output the pattern for this.
480 * config/m32c/m32c.c (flags_needed_for_conditional): New.
481 (m32c_compare_redundant): New.
482 (m32c_output_compare): New.
483 * config/m32c/m32c-protos.h (m32c_output_compare): New.
485 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
486 dest, not src. Allow other 4-byte modes.
488 2006-03-30 Denis Chertykov <denisc@overta.ru>
490 * doc/md.texi: Refer to avr/constraints.md instead of
493 2006-03-30 Roger Sayle <roger@eyesopen.com>
495 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
496 signed vs. unsigned comparison failures on some hosts.
498 2006-03-31 Alan Modra <amodra@bigpond.net.au>
501 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
502 change to FLOAT_REGS.
504 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
505 (rs6000_override_options): Use it.
506 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
507 only for -mabi=spe/no-spe and -mabi=altivec.
509 2006-03-30 Geoffrey Keating <geoffk@apple.com>
511 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
514 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
516 * Makefile.in: Rename docdir to gcc_docdir.
518 2006-03-30 Roger Sayle <roger@eyesopen.com>
521 * expr.c (emit_group_store): Optimize group stores into a pseudo
522 register by using a paradoxical subreg to initialize the destination
523 if the first or last member of the group specifies a "low part".
525 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
528 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
529 * target.h (struct gcc_target.speculate_insn): Change type of the
530 second parameter to 'int'.
531 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
532 the second operand of the DEPS_LIST.
533 (copy_DEPS_LIST_list): Update reference to the second operand of the
535 * rtl.h (alloc_DEPS_LIST): Update signature.
536 * sched-int.h (ds_t): Change typedef to 'int'.
537 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
539 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
541 * haifa-sched.c (try_ready): Change condition to restore
542 non-speculative pattern of the instruction.
543 (process_insn_depend_be_in_spec): Code to keep probability of the
544 speculative dependence non-decreasing.
546 2006-03-30 Jie Zhang <jie.zhang@analog.com>
548 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
549 (single_move_for_movmem): ... this. Also change all uses.
550 (bfin_expand_strmov): Renamed to...
551 (bfin_expand_movmem): ... this. Also change all uses.
552 * config/bfin/bfin.md (movstrsi): Renamed to...
555 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
557 PR tree-optimization/26830
559 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
560 (copy_prop_visit_stmt): Remove write-only variable ann.
561 (init_copy_prop): Check variable loop depth here. Do not simulate
562 memory-tag and virtual operand PHIs except for store copy prop.
564 2006-03-30 Richard Guenther <rguenther@suse.de>
566 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
567 variants with double arguments.
569 2006-03-29 David Edelsohn <edelsohn@gnu.org>
571 * genpreds.c (write_tm_constrs_h): Delete variable p.
572 * genconditions.c (write_header): Add tm-constrs.h to included
574 * genpeep.c (main): Add toplev.h to included headers.
575 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
576 (build/genpeep.o): Add toplev.h dependency.
577 * config/rs6000/constraints.md: Add "W" constraint.
579 2006-03-29 Roger Sayle <roger@eyesopen.com>
581 * stor-layout.c (mode_for_size_tree): Remove restiction on type
582 sizes by correctly testing whether the size fits a host integer.
583 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
584 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
585 SImode range for the default sizetype and bitsizetype.
587 2006-03-29 Roger Sayle <roger@eyesopen.com>
589 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
590 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
591 quickly if the argument is already of the correct type.
592 Call fold_build1 instead of build1. Tidy up blank lines.
594 2006-03-29 David Edelsohn <edelsohn@gnu.org>
596 * genemit.c (main): Add tm-constrs.h to included headers.
597 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
598 * genpeep.c (main): Add tm-constrs.h to included headers.
599 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
600 (write_tm_constrs_h): this and write complete file.
601 (write_tm_preds_h): Do not emit satisfies_constraint fns.
602 (write_insn_preds_c): Add tm-constrs.h to included headers.
603 (gen_constrs): New variable.
604 (parse_option): Parse "-c".
605 (main): Invoke write_tm_constrs_h.
606 * genrecog.c (write_header): Add tm-constrs.h to included headers.
607 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
608 (object_out_file): Add tm-constrs.h dependency.
610 (insn-output.o): Same.
612 (insn-preds.o): Same.
613 (insn-recog.o): Same.
614 (tm-constsr.h): New target.
615 (s-constrs-h): New target.
617 * config/rs6000/constraints.md: New file.
618 * config/rs6000/rs6000.c: Include tm-constrs.h.
619 (num_insn_constant_wide): Convert to satisfies_constraint.
620 (rs6000_rtx_costs): Convert to satisfies_constraint.
621 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
622 (CONST_OK_FOR_LETTER_P): Delete.
623 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
624 (EXTRA_CONSTRAINT): Delete.
625 (EXTRA_MEMORY_CONSTRAINT): Delete.
626 (EXTRA_ADDRESS_CONSTRAINT): Delete.
627 * config/rs6000/predicates.md: Convert to satisfies_constraint.
628 * config/rs6000/rs6000.md: Include constraints.md. Convert to
629 satisfies_constraint.
631 * config/i386/i386.c: Include tm-constrs.h.
633 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
635 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
636 * tree-data-ref.c (find_data_references_in_loop,
637 compute_data_dependences_for_loop): Use pointers to VEC.
638 (analyze_all_data_dependences): Adjust calls.
639 * tree-data-ref.h (find_data_references_in_loop,
640 compute_data_dependences_for_loop): Adjust declarations.
641 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
642 compute_data_dependences_for_loop.
644 2006-03-29 Paul Brook <paul@codesourcery.com>
646 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
649 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
651 PR tree-optimization/26859
652 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
654 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
655 for the step after fold_convert.
657 2006-03-29 Paul Brook <paul@codesourcery.com>
659 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
660 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
662 2006-03-29 Paul Brook <paul@codesourcery.com>
665 * targhooks.c (default_narrow_bitfield): New fuction.
666 * targhooks.h (default_narrow_bitfield): add prototype.
667 * target.h (gcc_target): Add narrow_volatile_bitfield.
668 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
669 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
670 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
671 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
673 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
675 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
677 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
678 (NR_C_MODES): Add TDmode, DDmode and SDmode.
679 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
680 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
681 (s390_function_arg_float): Allow SDmode and DDmode values to be
682 passed in floating point registers.
683 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
684 check with SCALAR_FLOAT_MODE_P.
685 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
687 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
689 PR tree-optimization/25985
690 * tree-ssa-loop-niter.c (number_of_iterations_le,
691 number_of_iterations_ne): Make comments more precise.
692 (number_of_iterations_cond): Add only_exit argument. Use the
693 fact that signed variables do not overflow only when only_exit
695 (loop_only_exit_p): New.
696 (number_of_iterations_exit): Pass result of loop_only_exit_p to
697 number_of_iterations_cond.
699 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
701 PR tree-optimization/26643
702 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
705 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
707 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
708 (divsi3_i4_int): Likewise.
710 2006-03-28 Roger Sayle <roger@eyesopen.com>
712 * expr.c (emit_group_store): Only create a new pseudo reg if the
713 quantity it needs to hold isn't already a suitable pseudo.
715 2006-03-28 Jeff Law <law@redhat.com>
717 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
718 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
720 2006-03-28 Roger Sayle <roger@eyesopen.com>
722 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
723 the equivalent ~X & Y, and the symmetry related transformations.
724 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
725 ~X & Y, and symmetry related transforms.
727 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
729 Revert my 2006-03-27 patches.
731 2006-03-28 Roger Sayle <roger@eyesopen.com>
733 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
734 ~(T1)X, when T1 and T2 are integer types of the same precision
735 and (T2)X isn't an extension.
737 2006-03-28 Jeff Law <law@redhat.com>
739 PR tree-optimization/26796
740 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
741 need EH edge cleanups rather than purging them immediately.
742 (eliminate_degenerate_phis): Handle queued EH cleanups.
744 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
746 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
749 2006-03-27 Roger Sayle <roger@eyesopen.com>
752 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
753 cast BIT_NOT_EXPR operand to the correct type.
755 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
757 * tree-loop-linear.c: Don't include varray.h.
758 (gather_interchange_stats, try_interchange_loops,
759 linear_transform_loops): Use VEC instead of VARRAY.
760 * lambda-mat.c: Don't include varray.h.
761 * tree-chrec.c: Same.
762 * lambda-trans.c: Same.
763 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
764 VEC instead of VARRAY.
765 * tree-vectorizer.h: Idem.
766 * tree-data-ref.c (dump_data_references,
767 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
768 initialize_data_dependence_relation, finalize_ddr_dependent,
769 compute_all_dependences, find_data_references_in_loop,
770 compute_data_dependences_for_loop, analyze_all_data_dependences,
771 free_dependence_relation, free_dependence_relations,
772 free_data_refs): Idem.
773 * tree-data-ref.h (data_reference_p, subscript_p): New.
774 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
775 VEC instead of VARRAY.
776 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
777 (find_data_references_in_loop, compute_data_dependences_for_loop,
778 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
779 dump_data_dependence_relations, free_dependence_relations,
780 free_data_refs): Adjust declaration.
781 (lambda_transform_legal_p): Move declaration here...
782 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
783 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
784 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
785 vect_analyze_data_refs): Use VEC instead of VARRAY.
786 * lambda.h (lambda_transform_legal_p): ...from here.
787 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
788 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
789 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
790 tree-chrec.o): Don't depend on VARRAY_H.
792 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
794 * rtl.def (Copyright): Update date.
795 (DEPS_LIST): Change type of the second operand to 'int'.
796 * target.h (Copyright): Update date.
797 (struct gcc_target.speculate_insn): Change type of the second parameter
799 * lists.c (Copyright): Update date.
800 (alloc_DEPS_LIST): Change signature. Update reference to the second
801 operand of the DEPS_LIST.
802 (copy_DEPS_LIST_list): Update reference to the second operand of the
804 * rtl.h (Copyright): Update date.
805 (alloc_DEPS_LIST): Update signature.
806 * sched-int.h (Copyright): Update date.
807 (ds_t): Change typedef to 'int'.
808 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
810 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
812 * haifa-sched.c (Copyright): Update date.
813 (try_ready): Change condition to restore non-speculative pattern
815 (process_insn_depend_be_in_spec): Code to keep probability of the
816 speculative dependence non-decreasing.
818 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
820 * regrename.c (replace_oldest_value_addr): Initialize a variable to
821 shut up the compiler.
823 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
825 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
826 to use lib prefix for target.
827 ($(T)libic_invalidate_array_4-200.a): Likewise.
828 ($(T)libic_invalidate_array_4a.a): Likewise.
830 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
831 J"orn Rennecke <joern.rennecke@st.com>
833 * superh.opt: New file.
834 * sh.c (boardtype, osruntime): Remove.
835 * superh.h (SUBTARGET_OPTIONS): Remove.
836 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
838 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
839 arguments with ^ and/or [].
841 * config.gcc (sh-*-*): Add quoting to account for quirk of
843 Replace == with = in enable_incomplete_targets test.
845 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
846 with MASK_LITTLE_ENDIAN.
848 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
849 * config/sh/sh.opt: Added to some comments.
850 * config/sh/superh.h: Removed some chaff.
852 * config/sh/sh.opt: Add m4-[1234]00* options.
853 * config/sh/sh.c (sh_handle_option): Likewise.
854 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
855 (ic_invalidate_array_4-100.o): New rule.
856 ($(T)libic_invalidate_array_4-100.a): Likewise.
857 (ic_invalidate_array_4-200.o): Likewise.
858 ($(T)libic_invalidate_array_4-200.a): Likewise.
859 (ic_invalidate_array_4a.o): Likewise.
860 ($(T)libic_invalidate_array_4a.a): Likewise.
861 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
862 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
864 * config/sh/crt1.asm: Merged in profiling code.
865 * config/sh/superh.h (STARTFILE_SPEC): Override.
866 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
867 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
868 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
870 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
871 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
872 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
874 * sh.opt (mpretend-cmove): New option.
875 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
876 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
877 (movsicc): Add TARGET_PRETEND_CMOVE code.
879 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
881 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
882 s390_class_max_nregs): New function prototypes.
883 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
884 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
885 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
886 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
888 2006-03-26 Geoffrey Keating <geoffk@apple.com>
890 * dwarf2out.c (add_location_or_const_value_attribute): Call
891 tree_add_const_value_attribute if nothing else works.
892 (reference_to_unused): New.
893 (rtl_for_decl_init): Use reference_to_unused to decide whether
894 to output an initializer.
896 2006-03-27 Alan Modra <amodra@bigpond.net.au>
899 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
900 peephole removing spe frob_di_df_2.
902 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
904 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
905 (subscript_dependence_tester_1): Declared.
906 (print_dir_vectors, print_dist_vectors): New.
907 (debug_data_dependence_relation): New.
908 (dump_data_dependence_relation): Print more details.
909 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
910 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
911 (save_dist_v, save_dir_v, add_outer_distances,
912 build_classic_dist_vector_1): New.
913 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
914 Don't test for lambda_vector_lexico_pos.
915 (same_access_functions, add_multivariate_self_dist,
916 add_other_self_distances, dir_from_dist): New.
917 (build_classic_dir_vector): Replace implementation almost identical to
918 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
920 (subscript_dependence_tester_1): New.
921 (subscript_dependence_tester): Handle the lexicographically negative
922 distance vectors by recomputing the dependence relation.
923 (compute_affine_dependence): Remove parameter loop_nest_depth.
924 (compute_self_dependence): Don't call compute_subscript_distance.
925 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
926 Add a parameter for the loop_nest.
927 (find_loop_nest_1, find_loop_nest): New.
928 (compute_data_dependences_for_loop): Compute the loop nest, and give
929 up if the nest is not well formed.
930 * tree-data-ref.h (loop_p): New.
931 (struct data_dependence_relation): Replace size_vect field with
932 loop_nest, a vec of loops.
933 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
934 (DDR_LOOP_NEST): New.
935 (print_dir_vectors, print_dist_vectors,
936 debug_data_dependence_relation): Declared.
937 (index_in_loop_nest): New.
938 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
939 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
942 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
944 * simplify-rtx.c (simplify_relational_operation): Call
945 simplify_relational_operation_1 even if mode is VOIDmode.
947 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
949 PR tree-optimization/26804
950 * tree.h (DECL_CALL_CLOBBERED): New macro.
951 (tree_decl_common): Add call_clobbered_flag.
952 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
953 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
954 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
955 (mark_non_addressable): Ditto.
956 * tree-ssa.c (verify_call_clobbered): New function.
957 (verify_alias_info): Use it.
958 * tree-pass.h (pass_reset_cc_flags): New prototype.
959 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
960 (reset_cc_flags): New function.
961 * passes.c (init_optimization_passes): Call reset_cc_flags after
962 initializing referenced_vars.
964 2006-03-25 Uros Bizjak <uros@kss-loka.si>
965 Roger Sayle <roger@eyesopen.com>
968 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
969 to 1.0 for non-real operands. Implement A / A optimization for
972 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
974 * config/i386/i386.c (size_cost): Correct the comment for
975 cost of storing fp registers.
976 (i386_cost): Likewise.
977 (i486_cost): Likewise.
978 (pentium_cost): Likewise.
979 (pentiumpro_cost): Likewise.
981 (athlon_cost): Likewise.
983 (pentium4_cost): Likewise.
984 (nocona_cost): Likewise.
985 (generic64_cost): Likewise.
986 (generic32_cost): Likewise.
988 2006-03-24 Denis Chertykov <denisc@overta.ru>
990 * config/avr/avr-protos.h (extra_constraint): Delete.
991 (extra_constraint_Q): New declaration.
992 * config/avr/constraints.md: New file.
993 * config/avr/avr.md: Include it.
994 (REG_X, REG_Y, REG_Z, REG_W): New constants.
995 (TMP_REGNO, ZERO_REGNO): Likewise.
996 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
997 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
998 (extra_constraint): Delete.
999 (extra_constraint_Q): Test for memory constraint 'Q'.
1000 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1001 (REG_CLASS_FROM_LETTER): Delete.
1002 (CONST_OK_FOR_LETTER_P): Delete.
1003 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1004 (EXTRA_CONSTRAINT): Delete.
1005 (TMP_REGNO): Delete.
1006 (ZERO_REGNO): Delete.
1008 2006-03-24 Jeff Law <law@redhat.com>
1010 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1011 directly. Call mark_new_vars_to_rename slightly earlier.
1013 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1015 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1017 (gen_compile_unit_die): Use new language types for Objective-C and
1019 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1020 DW_LANG_C_plus_plus.
1023 * config/t-darwin (crt3.o): Work around bug 26840.
1024 * config/darwin-crt3.c: Rewrite.
1025 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1027 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1029 * doc/invoke.texi: Document -femit-class-debug-always
1030 * common.opt: Add -femit-class-debug-always.
1032 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1034 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1035 index and base register.
1036 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1037 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1038 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1039 REGNO_OK_FOR_INDEX_P.
1040 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1042 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1043 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1044 REG_OK_FOR_BASE_P): Definitions removed.
1046 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1049 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1050 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1051 set yet or weren't marked as local yet.
1053 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1055 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1058 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1060 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1061 (rs6000_legitimate_small_data_p): Delete.
1062 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1063 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1064 and make static. Add forward declaration. Update uses.
1065 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1066 of offsettable_memref_p.
1067 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1068 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1070 2006-03-24 Jeff Law <law@redhat.com>
1072 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1073 around bug in immediate-use iterator.
1075 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1078 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1079 or __LITTLE_ENDIAN__.
1081 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1083 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1084 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1085 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1086 * config/sh/sh.opt (mdiv=): Amend description.
1087 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1088 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1089 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1090 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1091 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1092 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
1093 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
1094 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
1095 TARGET_DIVIDE_CALL_FP.
1097 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1099 * haifa-sched.c (choose_ready): Fix type of the local variable.
1100 Move local variables. Add comment.
1101 (check_reg_live): Change signature. Make callable from debugger.
1102 * sched-int.h (check_reg_live): Update signature.
1103 * sched-ebb.c (check_reg_live): Update parameters.
1104 * sched-rgn.c (check_reg_live): Ditto.
1105 (region_head_or_leaf_p): Check pointer before dereferencing.
1106 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1107 before reload on optimization levels below 1.
1109 2006-03-23 Richard Henderson <rth@redhat.com>
1111 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1115 * config/alpha/predicates.md (local_symbolic_operand): Reject
1118 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1121 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1122 expressions which have overflowed constants.
1124 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1126 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1128 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1130 * cfgloopmanip.c (create_loop_notes): Removed.
1131 * final.c (final_scan_insn): Do not handle loop notes.
1132 * jump.c (squeeze_notes): Ditto.
1133 * cfglayout.c (skip_insns_after_block,
1134 duplicate_insn_chain): Ditto.
1135 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1137 * cfgloop.h (create_loop_notes): Declaration removed.
1139 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1141 * varasm.c (output_constant_pool): Restore fnname and fndecl
1143 (assemble_start_function): Adjust call accordingly.
1144 (assemble_end_function): Likewise.
1146 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1149 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1152 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1154 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1157 * system.h (ICE_EXIT_CODE): New macro.
1158 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1159 (diagnostic_action_after_output): Likewise.
1160 * gcc.c (fatal_ice): New function.
1161 (execute): Use it instead of fatal.
1162 (fancy_abort): Likewise.
1163 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1165 2006-03-22 Jeff Law <law@redhat.com>
1167 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1168 iv_analyze_result returning false.
1170 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1172 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1174 2006-03-22 Richard Henderson <rth@redhat.com>
1177 * except.c (duplicate_eh_regions_0): New.
1178 (duplicate_eh_region_1): Duplicate the children of the node as
1179 well as the node itself. Link them up properly.
1180 (duplicate_eh_region_2): Merge into ...
1181 (duplicate_eh_regions): ... here. Take copy_region argument, and
1182 copy only a sub-tree if asked. Simplify copying and fixup.
1183 (eh_region_outer_p): New.
1184 * except.h (duplicate_eh_regions): Update decl.
1185 (eh_region_outer_p): Declare.
1186 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1187 (lower_omp_master): Likewise.
1188 (lower_omp_ordered): Likewise.
1189 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1190 (move_stmt_r): Use it to remap labels. Handle recursion vs
1191 remap_decls_p properly.
1192 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1193 (find_outermost_region_in_block): New.
1194 (new_label_mapper): New.
1195 (move_sese_region_to_fn): Copy eh information to the new function
1197 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1199 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1202 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1204 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1205 into shared libraries.
1207 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1209 * doc/md.texi: Refer to i386/constraints.md instead of
1211 * config/i386/constraints.md: New file, extracted from...
1212 * config/i386/predicates.md: ...here.
1213 * config/i386/i386.md: Include constraints.md.
1215 2006-03-21 Jason Merrill <jason@redhat.com>
1217 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1220 * expr.c (init_block_move_fn): Force default visibility.
1221 (init_block_clear_fn): Likewise.
1222 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1223 * targhooks.c (default_external_stack_protect_fail): Likewise.
1225 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1227 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1228 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1229 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1230 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1231 (loadgp): Use mips_current_loadgp_style.
1232 (loadgp_noshared): New pattern.
1233 (sibcall_internal): Use MIPS_CALL.
1234 (sibcall_value_internal): Likewise.
1235 (sibcall_value_multiple_internal): Likewise.
1236 (call_internal): Likewise.
1237 (call_value_internal): Likewise.
1238 (call_value_multiple_internal): Likewise.
1239 (call_split): Use MIPS_CALL and add an 'S' constraint.
1240 (call_value_split): Likewise.
1241 (call_value_multiple_split): Likewise.
1242 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1243 (-mshared): New option.
1244 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1245 (mips_current_loadgp_style): Declare.
1246 * config/mips/mips.c (mips_classify_symbol): Avoid using
1247 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1248 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1249 TARGET_ABSOLUTE_ABICALLS.
1250 (override_options): Adjust comments. Improve the warning that is
1251 issued when -mabicalls and -G are used together.
1252 (mips_file_start): Remove comment.
1253 (mips_current_loadgp_style): New function.
1254 (mips_gnu_local_gp): New variable.
1255 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1257 (mips_output_function_prologue): Use mips_current_laodgp_style.
1258 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1259 the cprestore instruction.
1260 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1261 live for TARGET_ABSOLUTE_ABICALLS.
1262 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1263 (ASM_SPEC): Pass down -mshared and -mno-shared.
1264 (MIPS_CALL): New macro.
1265 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1267 * doc/invoke.texi (-mabicalls): Update documentation.
1268 (-mshared): Document.
1270 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1272 * config/ia64/unwind-hpux.c: New file.
1273 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1275 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1278 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1280 2006-03-21 Jeff Law <law@redhat.com>
1282 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1283 type conversions of a VR_VARYING source to a wider type.
1285 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1287 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1288 tm_file on Solaris 10 and later.
1289 (sparc64-*-solaris2*): Likewise.
1290 (sparc-*-solaris2*): Likewise.
1291 * config/sol26.h: Rename to config/sol2-6.h.
1292 * config/sol2-10.h: New file.
1294 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1297 * tree-ssa-pre.c (create_component_ref_by_pieces):
1300 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1303 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1304 return it immediately.
1306 2006-03-21 Michael Matz <matz@suse.de>
1308 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1310 (remove_arc, add_arc): Update num_out_arcs member.
1311 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1313 (cache_presence): New function.
1314 (compare_states_for_equiv): New function.
1315 (state_is_differed): Don't take number of outargs, adjust callers.
1316 Use new invariant for speeding up.
1317 (init_equiv_class): Create initial classes based on sorted
1319 (partition_equiv_class): Don't track out_arcs_num.
1320 (evaluate_equiv_classes): Call cache_presence on all states and
1323 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1325 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1326 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1327 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1328 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1330 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1331 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1332 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1333 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1334 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1336 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1337 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1338 (REGNO_REG_CLASS): ARGP is in PREGS.
1339 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1341 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1342 to deal with those addresses.
1343 * addresses.h: New file.
1344 * caller-save.c: Include "addresses.h".
1345 (init_caller_save): Use new base_reg_class function.
1346 * rtl-factoring.c: Include "addresses.h".
1347 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1348 * recog.c: Include "addresses.h".
1349 (preprocess_constraints): Use new base_reg_class function.
1350 * regrename.c: Include "addresses.h".
1351 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1352 functions. Keep track of a new var INDEX_CODE to compute valid
1354 (replace_oldest_value_addr): Likewise.
1355 (replace_oldest_value_mem): Use base_reg_class.
1356 * reload.c: Include "addresses.h".
1357 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1358 (find_reloads): Use new base_reg_class function.
1359 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1360 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1361 all callers and prototype changed.
1362 * reload1.c: Include "addresses.h".
1363 (maybe_fix_stack_asms): Use base_reg_class.
1364 * regclass.c: Include "addresses.h".
1365 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1366 (init_reg_autoinc): Use new base_reg_class function.
1367 (record_reg_classes): Likewise.
1368 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1369 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1370 Use new args to compute necessary class.
1372 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1373 regrename.o, rtl-factoring.o): Update dependencies.
1374 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1375 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1376 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1377 REG_OK_FOR_INDEX_P): Delete documentation.
1379 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1381 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1382 from V7 to V9 for Solaris 7 and above.
1384 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1386 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1387 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1388 argument pointers may not alias any other storage.
1389 * common.opt: Define option -fargument-noalias-anything.
1390 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1391 alias semantics is specified by flag_argument_noalias > 2.
1393 2006-03-20 Jeff Law <law@redhat.com>
1395 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1396 (pass_phi_only_cprop): Declare.
1397 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1399 * tree-ssa-dom.c (degenerate_phi_result): New function.
1400 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1401 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1402 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1403 (eliminate_degenerate_phis): Likewise.
1404 (pass_phi_only_cprop): New pass descriptor.
1405 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1406 support code. Callers updated.
1407 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1408 (store_copy_prop): Likewise.
1409 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1411 2006-03-20 Jason Merrill <jason@redhat.com>
1414 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1415 (push_visibility, pop_visibility): Likewise.
1416 * c-pragma.h: Declare them.
1418 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1420 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1422 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1423 parameter and use get_ebb_head_tail.
1424 (sh_md_init_global): Adjust uses of find_regmode_weight.
1426 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1428 * function.h (struct function) <x_tail_recursion_reentry>:
1429 Rename to x_stack_check_probe_note.
1430 (tail_recursion_reentry): Rename to stack_check_probe_note.
1431 * function.c: Replace tail_recursion_reentry with
1432 stack_check_probe_note everywhere.
1433 (expand_function_start): Only emit a note for
1434 stack_check_probe_note with -fstack-protect.
1435 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1437 * emit-rtl.c (remove_unnecessary_notes): Remove.
1438 (pass_remove_unnecessary_notes): Remove.
1439 * rtl.h (remove_unnecessary_notes): Remove prototype.
1440 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1441 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1442 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1444 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1447 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1448 (valid_in_set): Handle ARRAY_REF.
1449 Change "if min_variant or VH" to asserts.
1450 (create_component_ref_by_pieces): Handle ARRAY_REF.
1451 (create_expression_by_pieces): Likewise.
1452 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1454 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1456 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1457 is operand of switch, not str[0].
1459 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1461 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1462 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1464 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1466 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1467 end of insn_extra_address_constraint declaration.
1469 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1471 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1472 (no-sum-in-toc): Same.
1473 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1475 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1476 NO_FP_IN_TOC for -fPIC instead of mask.
1478 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1479 (BOOT_LDFLAGS): Delete.
1481 * config/rs6000/t-aix52: Same.
1483 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1484 (stmsi[345678]_power): New.
1486 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1488 * config/ia64/ia64.opt: Add empty line to end of file.
1490 2006-03-17 Richard Guenther <rguenther@suse.de>
1493 * builtins.c (get_pointer_alignment): For component style references
1494 adjust alignment to the component type alignment. Make sure
1495 to adjust alignment for component access of constants.
1497 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1499 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1502 2006-03-17 Paul Brook <paul@codesourcery.com>
1504 * doc/install.texi: Docuemnt --with-mode.
1505 * config.gcc: Add --with-mode for arm*-*-*.
1506 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1508 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1510 * sh.c (max_labelno_before_reorg): New variable.
1511 (sh_reorg): Initialize it.
1512 (find_barrier): Check max_labelno_before_reorg before using
1513 label_to_alignment. Take length of explicit alignment insns
1514 into account. When seeing a UNSPECV_CONST_END, return it.
1516 * sh.c (fixup_mova): Set mode of affected label to QImode.
1517 (untangle_mova): New function.
1518 (find_barrier): Use it. Check mode of label before decrementing
1520 (sh_reorg): Likewise.
1521 Set mode of all insns back to VOIDmode.
1523 * sh.c (MOVA_LABELREF): New macro.
1524 (mova_p, fixup_mova, sh_reorg): Use it.
1525 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1526 ADDR_DIFF_VEC matches mova.
1528 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1530 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1531 with ATTRIBUTE_UNUSED.
1533 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1535 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1536 pointer, instead of assuming it is possible to derive the
1537 correct args size from a call insn.
1539 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1541 * rtl.h (CONST_INT_P): Define.
1542 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1543 instead of GET_CODE(x) == CONST_INT.
1544 (vax_rtx_costs): Likewise.
1545 (vax_output_int_move): Likewise.
1546 (vax_output_int_add): Likewise.
1547 (legitimate_constant_address_p): Likewise.
1548 (index_term_p): Likewise.
1549 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1550 * config/vax/vax.md (and<mode>3): Likewise.
1551 (ashrsi3): Likewise.
1553 (movstricthi): Likewise.
1554 (movstrictqi): Likewise.
1555 (rotrsi3): Likewise.
1556 (five unnamed insns): Likewise.
1558 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1560 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1561 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1562 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1563 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1564 Pass to ASM_OUTPUT_DWARF_OFFSET.
1565 * dwarf2out.c (debug_frame_section): New.
1566 (output_call_frame_info): Use debug_frame_section. Pass it to
1567 dw2_asm_output_offset.
1568 (output_die): Pass appropriate section to dw2_asm_output_offset.
1569 (output_compilation_unit_header): Likewise.
1570 (output_pubnames): Likewise.
1571 (output_aranges): Likewise.
1572 (enum dw_val_class): Break dw_val_class_lbl_offset into
1573 dw_val_class_lineptr and dw_val_class_macptr.
1574 (add_AT_lbl_offset): Delete.
1575 (add_AT_lineptr): New.
1576 (add_AT_macptr): New.
1577 (AT_lbl): Expect a lineptr or macptr.
1578 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1579 (attr_checksum): Likewise.
1580 (same_dw_val_p): Likewise.
1581 (size_of_die): Likewise.
1582 (value_format): Likewise.
1583 (output_die): Likewise.
1584 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1586 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1587 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1588 * config/darwin-protos.h (darwin_file_start): New.
1589 (darwin_asm_output_dwarf_offset): New.
1590 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1591 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1593 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1594 if not EH section; simplify.
1595 (darwin_file_start): New.
1596 (darwin_asm_output_dwarf_offset): New.
1597 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1599 (DEBUG_INFO_SECTION): Likewise.
1600 (DEBUG_ABBREV_SECTION): Likewise.
1601 (DEBUG_ARANGES_SECTION): Likewise.
1602 (DEBUG_MACINFO_SECTION): Likewise.
1603 (DEBUG_LINE_SECTION): Likewise.
1604 (DEBUG_LOC_SECTION): Likewise.
1605 (DEBUG_PUBNAMES_SECTION): Likewise.
1606 (DEBUG_STR_SECTION): Likewise.
1607 (DEBUG_RANGES_SECTION): Likewise.
1608 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1609 (ASM_OUTPUT_DWARF_OFFSET): New.
1611 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1613 * config.gcc (tm_defines): Always add to previous value rather
1616 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1618 * config/mips/predicates.md (splittable_const_int_operand): New,
1619 split from move_operand.
1620 (splittable_symbolic_operand): New.
1621 (move_operand): Add commentary. Use splittable_const_int_operand.
1622 Inline mips_atomic_symbolic_constant_p.
1623 * config/mips/mips.md: Add combine splitters for handling moves
1624 of splittable_const_int_operands and splittable_symbolic_operands.
1625 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1626 (mips_split_symbol): Declare.
1627 (mips_move_integer): Declare.
1628 * config/mips/mips.c (mips_split_p): Make global.
1629 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1630 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1631 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1632 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1633 (mips_offset_within_object_p): Handle block symbols.
1634 (mips_atomic_symbolic_constant_p): Delete.
1635 (mips_cannot_force_const_mem): Return false for constants that
1636 mips_legitimize_move can handle.
1637 (mips_use_blocks_for_constant_p): New function.
1638 (mips_split_symbol): Make global.
1639 (mips_move_integer): Likewise. Add a temporary register argument.
1640 (mips_legitimize_const_move): Use splittable_const_int_operand and
1641 splittable_symbolic_operand.
1642 (mips_use_anchors_for_symbol_p): New function.
1643 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1644 (mips_split_p): Declare.
1646 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1648 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1649 (mips*-*-linux*): Likewise.
1651 2006-03-16 Roger Sayle <roger@eyesopen.com>
1652 Daniel Speyer <dspeyer@wam.umd.edu>
1655 * tree-dump.c (dump_real): New function.
1656 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1657 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1658 (tree-dump.o): Add $(REAL_H) to the dependencies.
1660 2006-03-16 Roger Sayle <roger@eyesopen.com>
1663 * real.c (real_from_string): If the mantissa is zero, don't bother
1664 parsing the exponent as the result should always be zero.
1666 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1668 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1670 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1672 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1673 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1674 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1675 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1676 ia64_sched_finish_global): New static functions to implement
1677 hooks from gcc_target.sched.
1678 (spec_check_no, max_uid, pending_data_specs): New static variables.
1679 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1680 ia64_spec_check_src_p): New static functions.
1681 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1682 (TARGET_SCHED_ADJUST_COST): Removed.
1683 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1684 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
1685 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1686 TARGET_SCHED_GEN_CHECK,
1687 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1688 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
1689 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
1690 Fixed to handle speculation checks.
1691 (rtx_needs_barrier): Fixed to handle speculative loads and
1693 (ia64_variable_issue): Added code to count speculative loads and their
1695 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
1697 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
1699 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
1701 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
1702 (ia64_reorg): Reset stops_p to NULL after it is freed.
1703 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
1704 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
1705 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
1707 (data_speculative, control_speculative, check_load): New attributes.
1708 (mov<mode>_advanced, mov<mode>_speculative,
1709 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
1710 zero_extend<mode>di2_speculative,
1711 zero_extend<mode>di2_speculative_advanced): New patterns for
1712 data and control speculative loads.
1713 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
1715 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
1716 New pattern for data and control speculation checks.
1717 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
1718 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1719 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1720 Auxiliary definitions for the patterns.
1721 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1722 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
1724 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
1726 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
1727 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
1728 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
1729 New resource constraints.
1730 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
1732 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
1733 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
1734 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1735 msched-in-control-spec, msched-ldc, msched-control-ldc,
1736 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1737 msched-prefer-non-control-spec-insns,
1738 msched-count-spec-in-critical-path): New flags to tune speculative
1740 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
1741 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1742 msched-in-control-spec, msched-ldc, msched-control-ldc,
1743 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1744 msched-prefer-non-control-spec-insns,
1745 msched-count-spec-in-critical-path): Document new flags.
1747 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1749 * target.h (struct spec_info_def): New opaque declaration.
1750 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
1751 speculate_insn, needs_block_p, gen_check,
1752 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
1753 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1754 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
1755 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
1756 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1757 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
1759 (TARGET_SCHED): Use new macros.
1760 * rtl.h (copy_DEPS_LIST_list): New prototype.
1761 * sched-int.h (struct sched_info): Change signature of new_ready field,
1762 adjust all initializations. New fields: add_remove_insn,
1763 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
1764 region_head_or_leaf_p.
1765 (struct spec_info_def): New structure declaration.
1766 (spec_info_t): New typedef.
1767 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1768 recovery_block, orig_pat.
1769 (glat_start, glat_end): New variables declaraions.
1770 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1772 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1773 DETACH_LIFE_INFO, USE_GLAT.
1774 (enum SPEC_SCHED_FLAGS): New enumeration.
1775 (NOTE_NOTE_BB_P): New macro.
1776 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1777 attach_life_info, debug_spec_status, check_reg_live): New functions.
1778 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1779 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1781 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1782 * ddg.c (get_block_head_tail): Adjust all uses.
1783 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1784 (sms_sched_info): Initialize new fields.
1785 (contributes_to_priority): Removed.
1786 * haifa-sched.c (params.h): New include.
1787 (get_block_head_tail): Adjust all uses.
1788 (ISSUE_POINTS): New macro.
1789 (glat_start, glat_end): New global variables.
1790 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1791 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1792 old_last_basic_block, before_recovery, current_sched_info_var,
1793 rgn_n_insns, luid): New static variables.
1794 (insn_cost1): New function. Move logic from insn_cost to here.
1795 (find_insn_reg_weight1): New function. Move logic from
1796 find_insn_reg_weight to here.
1797 (reemit_notes, move_insn, max_issue): Change signature.
1798 (move_insn1): Removed.
1799 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1800 extend_bb): New static functions to support extension of scheduler's
1802 (generate_recovery_code, process_insn_depend_be_in_spec,
1803 begin_speculative_block, add_to_speculative_block,
1804 init_before_recovery, create_recovery_block, create_check_block_twin,
1805 fix_recovery_deps): New static functions to support
1806 generation of recovery code.
1807 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1808 restore_bb_notes, move_block_after_check, move_succs): New static
1809 functions to support ebb scheduling.
1810 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1811 functions to support handling of register live information.
1812 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1813 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1814 add_jump_dependencies): New static functions.
1815 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1816 consistancy checking.
1817 (debug_spec_status): New function to call from debugger.
1818 (priority): Added code to handle speculation checks.
1819 (rank_for_schedule): Added code to distinguish speculative instructions.
1820 (schedule_insn): Added code to handle speculation checks.
1821 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1822 Fixed to handle ebbs.
1823 (move_insn): Added code to handle ebb scheduling.
1824 (max_issue): Added code to use ISSUE_POINTS of instructions.
1825 (choose_ready): Added code to choose between speculative and
1826 non-speculative instructions.
1827 (schedule_block): Added code to handle ebb scheduling and scheduling of
1828 speculative instructions.
1829 (sched_init): Initialize new variables.
1830 (sched_finish): Free new variables. Print statistics.
1831 (try_ready): Added code to handle speculative instructions.
1832 * lists.c (copy_DEPS_LIST_list): New function.
1833 * sched-deps.c (extend_dependency_caches): New function. Move logic
1834 from create_dependency_caches to here.
1835 (get_dep_weak, ds_merge): Make global.
1836 * genattr.c (main): Code to output prototype for
1837 dfa_clear_single_insn_cache.
1838 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
1839 (output_dfa_clean_insn_cache_func): Code to output
1840 dfa_clear_single_insn_cache function.
1841 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
1843 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
1845 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
1846 New static variables.
1847 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
1848 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
1850 (ebb_sched_info): Initialize new fields.
1851 (get_block_head_tail): Adjust all uses.
1852 (compute_jump_reg_dependencies): Fixed to use glat_start.
1853 (schedule_ebb): Code to remove unreachable last block.
1854 (schedule_ebbs): Added code to update register live information.
1855 * sched-rgn.c (region_sched_info): Initialize new fields.
1856 (get_block_head_tail): Adjust all uses.
1857 (last_was_jump): Removed. Adjust users.
1858 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
1859 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
1860 Implement new hooks.
1861 (check_dead_notes1): New static function.
1862 (struct region): New fields: dont_calc_deps, has_real_ebb.
1863 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
1864 (BB_TO_BLOCK): Fixed to handle EBBs.
1865 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
1866 (ebb_head): New static variable.
1867 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
1868 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
1870 (compute_dom_prob_ps): New assertion.
1871 (check_live_1, update_live_1): Fixed to work with glat_start instead of
1872 global_live_at_start.
1873 (init_ready_list): New assertions.
1874 (can_schedule_ready_p): Split update code to begin_schedule_ready.
1875 (new_ready): Add support for BEGIN_CONTROL speculation.
1876 (schedule_insns): Fixed code that updates register live information
1878 (schedule_region): Fixed to handle EBBs.
1879 (init_regions): Use extend_regions and check_dead_notes1.
1880 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
1881 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
1882 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
1883 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1884 TARGET_SCHED_GEN_CHECK,
1885 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1886 TARGET_SCHED_SET_SCHED_FLAGS): Document.
1887 * doc/invoke.texi (max-sched-insn-conflict-delay,
1888 sched-spec-prob-cutoff): Document.
1890 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1892 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
1893 inter_tick, queue_index.
1894 (struct sched_info): Change signature of init_ready_list field.
1895 Adjust all initializations.
1896 (RESOLVED_DEPS): New access macro.
1897 (ready_add): Remove prototype.
1898 (try_ready): Add prototype.
1899 * sched-rgn.c (init_ready_list): Use try_ready.
1900 (schedule_region): Initialize
1901 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
1902 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
1903 (init_ready_list): Use try_ready.
1904 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
1905 * lists.c (remove_list_elem): Remove `static'.
1906 (remove_free_INSN_LIST_elem): New function.
1907 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
1908 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
1909 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
1911 (readyp): New variable.
1912 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
1913 change_queue_index, resolve_dep): New static functions.
1914 (try_ready): New function. Adjust callers in sched-rgn.c and
1915 sched-ebb.c to use it instead of ready_add.
1916 (clock_var): Move at the begining of file.
1917 (rank_for_schedule): Fix typo.
1918 (queue_insn): Add assertion. Handle QUEUE_INDEX.
1919 (ready_lastpos): Enforce assertion.
1920 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
1922 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
1923 (schedule_insn): Rewrite to use try_ready and resolve_dep.
1924 (queue_to_ready): Use free_INSN_LIST_list.
1925 (early_queue_to_ready): Fix typo.
1926 (schedule_block): Init readyp. Move init_ready_list call after the
1927 initialization of clock_var. Fix error in rejecting insn by
1928 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
1929 that previously corrected INSN_TICKs. Add code for handling
1931 (set_priorities): Fix typo.
1932 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
1933 Clarify comment and code that keeps current_sched_info->next_tail
1936 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1938 * sched-rgn.c (extend_rgns): New static function.
1939 (find_rgns): Use it.
1940 (gather_region_statistics, print_region_statistics): New static
1942 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
1943 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1945 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1946 Andrey Belevantsev <abel@ispras.ru>
1948 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
1949 * lists.c (unused_deps_list): New variable.
1950 (free_list): Add assertions to verify the proper distinguishing
1951 between INSN_LISTs and DEPS_LISTs.
1952 (find_list_elem, remove_list_elem, remove_list_node): New static
1954 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
1955 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
1956 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
1957 (alloc_INSN_LIST): Assert that the list we're working on is indeed
1959 (free_INSN_LIST_node): Likewise.
1960 * modulo-sched.c (current_sched_info): Initialize flags field.
1961 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
1962 * rtl.def (DEPS_LIST): Define.
1963 * rtl.h: Declare new functions from lists.c.
1964 * sched-deps.c (spec_dependency_cache): New static variable.
1965 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
1966 (add_dependence): Change return type to void. Move the logic to ...
1967 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
1968 (delete_all_dependences): Add comment about forward_dependency_cache.
1969 Handle spec_dependency_cache. Handle DEPS_LISTs.
1970 (fixup_sched_groups): Clarify the change of priority of output
1971 and anti dependencies.
1972 (sched_analyze_2): Adjust add_dependence calls to create data
1973 speculative dependence.
1974 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
1975 Adjust all callers. Handle DEPS_LISTS.
1976 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
1977 presence of speculation.
1978 (init_dependency_caches, free_dependency_caches):
1979 Handle spec_dependency_cache.
1980 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
1981 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
1982 New static functions.
1983 (add_or_update_back_dep, add_or_update_back_forw_dep,
1984 add_back_forw_dep, delete_back_forw_dep): New functions.
1985 * sched-int.h (ds_t, dw_t): New typedefs.
1986 (struct sched_info): Add new field flags.
1987 (struct haifa_insn_data): Add new bitfield has_internal_dep.
1988 Prototype new sched-deps.c functions.
1989 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
1990 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
1991 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
1992 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
1993 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
1994 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
1996 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
1998 * sched-rgn.c (current_sched_info): Initialize flags field.
1999 (schedule_insns): Initialize current_sched_info before the sched_init
2001 * sched-ebb.c (current_sched_info): Initialize flags field.
2002 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2003 Call add_or_update_back_dep instead of add_dependence.
2004 Create control speculative dependencies.
2005 (schedule_insns): Initialize current_sched_info before the sched_init
2008 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2010 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2012 (sh_fallback_frame_state): Likewise.
2014 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2016 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2017 Do switch on default_use_cxa_atexit.
2018 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2019 * config/darwin-crt3.o: New.
2020 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2021 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2022 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2024 * config/rs6000/t-darwin: Move crt2.o building to here.
2025 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2026 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2029 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2031 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2032 from '! xxx' to '!xxx' for coding-style conformance.
2033 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2034 (EXTRA_CONSTRAINT): Likewise.
2035 * config/vax/vax.md (four unnamed insns): Likewise.
2037 2006-03-15 Paul Brook <paul@codesourcery.com>
2039 * config/arm/arm.c (minipool_pad): New.
2040 (add_minipool_forward_ref): Include pool alignment padding in address
2042 (push_minipool_fix): Set minipool_pad.
2043 (minipool_pad): Ditto.
2045 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2047 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2048 instead of GET_CODE() == MEM and REG_P() instead of
2050 (print_operand_address): Likewise.
2051 (vax_address_cost): Likewise.
2052 (vax_rtx_costs): Likewise.
2053 (vax_notice_update_cc): Likewise.
2054 (vax_output_int_add): Likewise.
2055 (INDEX_REGISTER_P): Likewise.
2056 (BASE_REGISTER_P): Likewise.
2057 (nonindexed_address_p): Likewise.
2058 (vax_mode_dependent_address_p): Likewise.
2059 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2060 (PRINT_OPERAND): Likewise.
2061 * config/vax/vax.md (ashlsi3): Likewise.
2062 (ashlsi3): Likewise.
2063 (some more unnamed insns): Likewise.
2065 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2067 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2068 iterator-style macro.
2069 (mark_control_dependent_edges_necessary): Update the use of
2070 EXECUTE_IF_CONTROL_DEPENDENT.
2072 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2074 * config/sh/predicates.md (cache_address_operand): Special.
2075 (ua_address_operand): Likewise.
2077 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2079 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2081 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2083 2006-03-15 Andreas Schwab <schwab@suse.de>
2085 * gensupport.c (identify_predicable_attribute): Don't free p_false
2086 when it is still in use.
2088 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2090 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2091 the default setting here.
2093 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
2095 * tree-pass.h (pass_cfg): Remove.
2096 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
2097 * passes.c (pass_cfg): Don't run it.
2099 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
2101 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
2102 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2104 (stack_regs_mentioned): Update the uses of
2105 stack_regs_mentioned_data. Don't access the array beyond its
2107 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2108 Don't include gt-reg-stack.h.
2110 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2111 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2113 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2116 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2119 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2121 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2123 2006-03-14 Richard Guenther <rguenther@suse.de>
2125 PR tree-optimization/26672
2126 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2129 2006-03-14 Richard Guenther <rguenther@suse.de>
2131 PR tree-optimization/26667
2132 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2133 node for the callees. Always allow inlining if it will shrink
2136 2006-03-14 Richard Guenther <rguenther@suse.de>
2139 * builtins.c (get_pointer_alignment): Prefer alignment
2140 information from decls over that from types.
2142 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2145 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2147 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2149 * config/rs6000/rs6000.opt (mdlmzb): New option.
2150 (msched-prolog, msched-epilog): Use Var not Mask.
2151 * doc/invoke.texi (-mdlmzb): Document.
2152 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2154 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2155 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2157 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2159 PR rtl-optimization/25739
2160 * bt-load.c (augment_live_range): Free tos pointer.
2162 * gensupport.c (identify_predicable_attribute): Free
2164 * gcov.c (create_file_names): Free name pointer.
2166 2006-03-13 Roger Sayle <roger@eyesopen.com>
2169 * stmt.c (emit_case_nodes): Handle the case where the index is a
2170 CONST_INT, where the comparison mode is specified by the index type.
2172 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2174 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2177 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2179 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2180 (*branch_fp_inverted): Likewise.
2182 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2185 * omp-low.c (expand_omp_for_generic): Mark istart0
2186 and iend0 as addressable.
2188 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2190 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2192 2006-03-13 Jeff Law <law@redhat.com>
2194 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2195 virtual operands are interesting.
2196 (vrp_visit_stmt): Corresponding changes.
2198 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2200 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2202 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2203 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2204 * config/bfin/crti.S: Use it instead of __PIC__.
2205 * config/bfin/crtn.S: Likewise.
2207 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2208 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2210 Lose 'G' modifier for call operand.
2211 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2212 recognize 'G' modifier.
2214 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2217 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2218 * stmt.c (expand_case): Likewise.
2220 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2222 PR rtl-optimization/26254
2223 * loop-invariant.c (seq_insns_valid_p): New function.
2224 (move_invariant_reg): Only emit new code if it is valid.
2226 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2228 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2230 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2231 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2232 (commit_one_edge_insertion): Do not look for loop notes.
2234 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2236 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2237 flag_test_coverage out of loop.
2239 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2241 * final.c (shorten_branches): Remove outdated comment, and turn
2242 the if branch that guards it to continue.
2244 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2246 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2247 * cfgloop.h (struct loop): Remove unused fields.
2249 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2251 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2252 (-dL, -fdump-rtl-loop2): Update the dump file names
2254 * doc/invoke.texi: Update dump file names.
2256 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2258 * predict.c (estimate_probability): Remove.
2259 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2260 * basic-block.h (estimate_probability): Remove prototype.
2261 * passes.c (finish_optimization_passes): Dump branch prediction or
2262 profiling heuristics to the .profile tree dump.
2263 (init_optimization_passes): Unqueue pass_branch_prob.
2265 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2267 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2269 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2270 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2272 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2274 * function.h (frame_offset_overflow): Declare.
2275 * function.c (frame_offset_overflow): New function.
2276 (assign_stack_local_1): Call it to detect that the offset overflows.
2277 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2279 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2281 * config/sh/sh.c: Include alloc-pool.h.
2282 (label_ref_list_pool): New alloc pool.
2283 (label_ref_list_t): New type for lists of labels.
2284 (struct pool_node): Make wend a label_ref_list_t.
2285 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2287 (dump_table): Likewise.
2288 (sh_reorg): Set up the alloc pool before using add_constant and
2289 dump_table, and destroy it when finishing.
2291 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2293 * config/mips/mips.c: Remove redundant comment.
2295 2006-03-10 Jason Merrill <jason@redhat.com>
2298 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2299 the target was declared 'register'.
2301 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2303 * genpreds.c (write_insn_constraint_len): Change definition of
2304 insn_constraint_len to return size_t to match the declaration.
2306 2006-03-10 DJ Delorie <dj@redhat.com>
2308 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2310 (m32c_expand_insv): Fix test for an AND mask.
2312 2006-03-10 Richard Guenther <rguenther@suse.de>
2315 * builtins.c (get_pointer_alignment): Handle component
2316 references for field alignment.
2318 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2320 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2321 when building with libgloss.
2322 (sh*elf): Implement --without-fp option.
2323 (sh64-superh-linux*): Don't multilib.
2325 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2327 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2329 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2331 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2332 Set it when one of the replacement functions returned true.
2333 Return TODO_cleanup_cfg if cfgchanged is true.
2334 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2336 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2338 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2339 instead of gen_lowpart.
2341 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2343 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2345 (mips_output_order_conditional_branch): Declare.
2346 * config/mips/mips.h (MIPS_BRANCH): New macro.
2347 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2348 for the comparison. Use gen_condjump.
2349 (mips_output_conditional_branch): Rework interface to take the
2350 asm templates for a direct branch and the inverse of a direct branch.
2351 (mips_output_order_conditional_branch): New function.
2352 (mips_builtin_branch_and_move): New function.
2353 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2354 branch condition. Use gen_single_cc as the condition for
2355 __builtin_mips_upper_* or __builtin_mips_lower_*.
2356 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2357 Use VOIDmode for the branch condition.
2358 * config/mips/predicates.md (order_operator): New predicate.
2359 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2360 (branch_fp): Rename to...
2361 (*branch_fp): ...this. Remove mode from comparison operator.
2362 Use new mips_output_conditional_branch interface.
2363 (branch_fp_inverted): Rename to...
2364 (*branch_fp_inverted): ...this and update as for *branch_fp.
2365 (*branch_zero<mode>): Rename to...
2366 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2367 Use mips_output_order_conditional_branch. Only accept ordered
2369 (*branch_zero<mode>_inverted): Rename to...
2370 (*branch_order<mode>_inverted): ...this and update as for
2371 *branch_order<mode>.
2372 (*branch_equality<mode>): Accept zero as the second operand to
2373 the equality operator. Use the new mips_output_conditional_branch
2375 (*branch_equality<mode>_inverted): Likewise.
2376 (condjump): New expander.
2377 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2379 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2380 (bc1any2t, bc1any2f): Likewise.
2381 (single_cc): New expander.
2382 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2384 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2386 * doc/md.texi: Update documentation of MIPS constraints.
2387 * config/mips/constraints.md: New file.
2388 * config/mips/mips.md: Include it.
2389 * config/mips/mips.c (mips_char_to_class): Delete.
2390 (override_options): Don't initialize mips_char_to_class.
2391 * config/mips/mips.h (mips_char_to_class): Delete.
2392 (REG_CLASS_FROM_LETTER): Delete.
2393 (CONST_OK_FOR_LETTER_P): Delete.
2394 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2395 (EXTRA_CONSTRAINT_Y): Delete.
2396 (EXTRA_CONSTRAINT_STR): Delete.
2397 (CONSTRAINT_LEN): Delete.
2398 (EXTRA_MEMORY_CONSTRAINT): Delete.
2400 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2402 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2403 original fn's eh regions.
2405 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2407 * fold-const.c (build_range_check): Make sure to use a valid type to
2408 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2411 (range_predecessor): New static function.
2412 (range_successor): Likewise.
2413 (merge_ranges): Use them to compute predecessors and successors of
2416 2006-03-09 Roger Sayle <roger@eyesopen.com>
2419 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2420 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2422 2006-03-08 DJ Delorie <dj@redhat.com>
2424 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2425 (addpsi3): Expand to include memory operands. Remove
2426 reload-specific splits.
2427 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2428 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2429 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2430 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2431 (shift1_qi, shift1_hi, insv): New.
2432 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2433 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2434 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2436 * config/m32c/m32c-protos.h: Update as needed.
2437 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2438 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2439 Fail for unrecognized R* constraints.
2440 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2441 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2442 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2444 (m32c_init_libfuncs): New.
2445 (m32c_legitimate_address_p): Add debug wrapper.
2446 (m32c_rtx_costs): New.
2447 (m32c_address_cost): New.
2448 (conversions): Add 'B' prefix.
2449 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2450 operands, or word regnames for QI operands. 'B' prints bit
2452 (m32c_expand_setmemhi): New.
2453 (m32c_expand_movmemhi): New.
2454 (m32c_expand_movstr): New.
2455 (m32c_expand_cmpstr): New.
2456 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2457 (m32c_expand_neg_mulpsi3): Handle non-ints.
2458 (m32c_cmp_flg_0): New.
2459 (m32c_expand_movcc): New.
2460 (m32c_expand_insv): New.
2461 (m32c_scc_pattern): New.
2462 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2463 a0/a1 out of SIregs.
2464 (STORE_FLAG_VALUE): New.
2465 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2468 * config/m32c/mov.md: Make constraints more liberal.
2469 (zero_extendqihi2): Optimize r0/r1 case.
2470 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2471 * config/m32c/predicates.md (m32c_any_operand): New.
2472 (m32c_nonimmediate_operand): New.
2473 (m32c_hl_operand): New.
2474 (m32c_r3_operand): New.
2477 (memsym_operand): New.
2478 (memimmed_operand): New.
2479 (a_qi_operand): New.
2480 (m32c_eqne_operator): New.
2481 (m32c_1bit8_operand): New.
2482 (m32c_1bit16_operand): New.
2483 (m32c_1mask8_operand): New.
2484 (m32c_1mask16_operand): New.
2485 * config/m32c/blkmov.md: New file.
2486 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2488 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2490 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2491 unsigned to fix signed/unsigned comparison issue in
2492 DWARF2_FRAME_REG_OUT.
2493 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2494 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2496 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2497 of ptr into the ENABLE_CHECKING section.
2499 2006-03-08 Jeff Law <law@redhat.com>
2501 * tree-vrp.c (infer_value_range): Only count pointer uses
2502 and dereferences if -fdelete-null-pointer-checks is enabled.
2504 * tree-vrp.c (find_assert_locations): Infer value ranges for
2505 single use pointers, but do not create ASSERT_EXPRs for them.
2506 When a non-null range is inferred for a pointer, backwards
2507 propagate that range to other equivalent pointers through the
2510 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2513 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2514 language hook targets.
2515 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2516 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2517 if language hook targets were missing.
2519 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2521 * tree-ssa-opfinalize.h: Removed.
2522 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2524 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2525 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2526 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2527 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2528 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2529 finalize_ssa_v_must_def_ops): New.
2531 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2533 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2536 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2538 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2540 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2541 addresses with offsets; reorganize.
2543 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2544 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2545 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2547 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2550 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2552 2006-03-08 Ben Elliston <bje@au.ibm.com>
2554 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2556 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2559 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2562 2006-03-07 Richard Guenther <rguenther@suse.de>
2564 PR tree-optimization/26587
2565 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2567 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2569 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2571 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2573 * hooks.c (hook_bool_mode_rtx_true): New function.
2574 * hooks.h (hook_bool_mode_rtx_true): Declare.
2575 * toplev.c (compile_file): Call output_shared_constant_pool.
2576 * varasm.c (shared_constant_pool): New variable.
2577 (assemble_start_function, assemble_end_function): Remove arguments
2578 from call to output_constant_pool.
2579 (create_constant_pool): New function, split out from...
2580 (init_varasm_status): ...here.
2581 (force_const_mem): Choose between the shared and per-function constant
2582 pools. Set current_function_uses_const_pool when reusing old entries
2583 as well as when creating new ones.
2584 (mark_constant): Ignore data argument.
2585 (mark_constants): Remove pool argument.
2586 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2587 to decide whether the function uses a constant pool.
2588 (output_constant_pool_contents): New function, split out from...
2589 (output_constant_pool): ...here.
2590 (output_shared_constant_pool): New function.
2591 (init_varasm_once): Initialize shared_constant_pool.
2592 * output.h (output_constant_pool): Delete.
2593 (output_shared_constant_pool): Declare.
2594 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2595 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2597 2006-03-06 Nick Clifton <nickc@redhat.com>
2599 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2600 flag_strength_reduce.
2602 2006-03-06 Ben Elliston <bje@au.ibm.com>
2604 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2605 x86_64-*-linux* configurations.
2607 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2608 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2610 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2612 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2614 * basic-block.h: Remove the extern for
2615 rediscover_loops_after_threading.
2617 * cfgloop.c (cancel_loop): Make it static.
2618 * cfgloop.h: Remove the prototype for cancel_loop.
2620 * flow.c (recompute_reg_usage): Make it static.
2621 * rtl.h: Remove the prototype for recompute_reg_usage.
2623 * function.c (use_return_register): Make it static.
2624 * function.h: Remove the prototype.
2626 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2628 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2630 * recog.h: Remove the prototype for
2631 validate_change_maybe_volatile.
2633 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2635 * rtlanal.c (replace_reg): Remove.
2636 * rtl.h: Remove the prototype for replace_reg.
2638 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2640 * regclass.c (reg_scan_update): Remove.
2641 (reg_scan_mark_refs): Remove the last argument.
2642 * rtl.h: Remove the prototype for reg_scan_update.
2644 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2646 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2647 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2648 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2649 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2650 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2651 loop-invariant.c, omp-low.c, opts.c, passes.c,
2652 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2653 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2654 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2655 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2656 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2657 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2659 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2661 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2662 * dwarf2out.h: Remove the prototype for
2663 dwarf2out_add_library_unit_info.
2665 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2667 * tree.c (add_var_to_bind_expr): Remove.
2668 * tree.h: Remove the prototype for add_var_to_bind_expr.
2670 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2672 * regclass.c (n_non_fixed_regs): Remove.
2673 (init_reg_sets_1, globalize_reg): Remove all uses of
2675 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2677 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2679 * rtlanal.c (insns_safe_to_move_p): Remove.
2680 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2682 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2684 * expmed.c (expand_mult_add): Remove.
2685 * expr.h: Remove the prototype for expand_mult_add.
2687 2006-03-04 Jakub Jelinek <jakub@redhat.com>
2689 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
2690 and REG_SAVED_VAL_EXP constants.
2691 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
2692 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2693 Handle regs stored by value.
2694 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
2695 (execute_cfa_program): Handle DW_CFA_val_offset,
2696 DW_CFA_val_offset_sf and DW_CFA_val_expression.
2697 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
2698 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
2699 (uw_install_context_1): Handle target regs stored by value.
2701 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
2703 * tree-sra.c (tree_sra): Return todoflags;
2704 (generate_one_element): Set TODO_update_smt_usage if needed.
2705 (pass_sra): Remove TODO_update_smt_usage.
2706 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
2708 (tree_ssa_forward_propagate_single_use_vars): Return
2709 TODO_update_smt_usage if we need to update SMT usage.
2710 (pass_forwprop): Remove TODO_update_smt_usage.
2712 2006-03-03 Diego Novillo <dnovillo@redhat.com>
2714 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
2715 (correct_use_link): Remove reference to get_stmt_operands.
2716 (update_stmt_operands): Likewise.
2717 (get_modify_expr_operands): New function factored out of
2718 parse_ssa_operands and get_expr_operands.
2719 Try to create V_MUST_DEFs for LHS by default.
2720 (get_expr_operands) <case MODIFY_EXPR>: Call
2721 get_modify_expr_operands.
2722 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
2723 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
2724 (parse_ssa_operands) <case MODIFY_EXPR>: Call
2725 get_modify_expr_operands.
2727 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
2729 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
2730 * tree-flow.h: Remove the prototype for
2731 referenced_var_lookup_if_exists.
2733 2006-03-03 Steve Ellcey <sje@cup.hp.com>
2735 PR rtl-optimization/26345
2737 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2739 2006-03-03 Roger Sayle <roger@eyesopen.com>
2741 PR tree-optimization/26524
2742 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
2743 fold_convert to create a constant of the appropriate type.
2745 2006-03-03 Richard Sandiford <richard@codesourcery.com>
2747 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2748 SYMBOL_REF_IN_BLOCK_P.
2749 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
2750 of SYMBOL_FLAG_IN_BLOCK.
2751 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
2752 instead of SYMBOL_REF_IN_BLOCK_P.
2753 * explow.c (use_anchored_address): Likewise.
2754 * rtl.c (rtx_size): Likewise.
2755 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
2756 instead of SYMBOL_FLAG_IN_BLOCK.
2757 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2758 SYMBOL_REF_IN_BLOCK_P.
2759 (assemble_variable): Likewise.
2760 (output_constant_def_contents): Likewise.
2761 (output_constant_pool): Likewise.
2762 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
2763 instead of SYMBOL_FLAG_IN_BLOCK.
2764 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2765 SYMBOL_REF_IN_BLOCK_P.
2766 (SYMBOL_REF_BLOCK): Likewise.
2767 (SYMBOL_REF_OFFSET): Likewise.
2768 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2769 SYMBOL_REF_IN_BLOCK_P.
2770 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2771 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2772 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2773 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2775 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2777 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2779 2006-03-02 Roger Sayle <roger@eyesopen.com>
2781 * simplify-rtx.c (simplify_unary_operation): When simplifying
2782 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2783 that we perform the right shift in the appropriate mode, and
2784 then extend or truncate the result to requested mode.
2786 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2788 * gengtype.c (main): Handle double_int type.
2789 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2790 * double-int.c: New file.
2791 * double-int.h: New file.
2792 * system.h: Include doubleint.h.
2793 * Makefile.in (SYSTEM_H): Include double-int.h.
2794 (double-int.o): Add.
2796 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2799 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2802 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2804 * tree-vrp.c (remove_range_assertions): Do not update statements
2807 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2809 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2811 * gcse.c (rest_of_handle_gcse): Ditto.
2812 * except.c (gate_handle_eh): Ditto.
2813 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2814 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2816 2006-03-02 Eric Christopher <echristo@apple.com>
2818 * config/i386/i386.c (machopic_output_stub): Add indirection to
2821 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2825 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2827 Sun Niagara specific optimizations.
2828 * config.gcc: Recognize niagara as target.
2829 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
2830 (TARGET_CPU_niagara): Define.
2831 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
2832 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
2833 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2834 (ASM_CPU_SPEC): Likewise.
2835 (PROCESSOR_NIAGARA): New enum entry.
2836 (REGISTER_MOVE_COST): Handle Niagara.
2837 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
2838 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
2839 (sparc_override_options): Recognize "niagara", set appropriate
2840 default MASK_* values for it, and align functions to 32-bytes
2841 by default just like ULTRASPARC/ULTRASPARC3.
2842 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
2843 (sparc64_initialize_trampoline): Likewise.
2844 (sparc_use_sched_lookahead): Use zero for niagara.
2845 (sparc_issue_rate): Use one for niagara.
2846 * config/sparc/niagara.md: New file.
2847 * config/sparc/sparc.md: Include it.
2848 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
2849 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
2850 when default cpu is niagara.
2851 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2852 (ASM_CPU_SPEC): Likewise.
2853 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
2854 when default cpu is niagara.
2855 (ASM_CPU_SPEC): Handle -mcpu=niagara.
2856 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
2857 just like v9/ultrasparc/ultrasparc3.
2858 * doc/invoke.texi: Add documentation for "niagara" and improve
2859 existing documentation for ultrasparc variants.
2861 2006-03-02 Diego Novillo <dnovillo@redhat.com>
2863 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
2865 2006-03-02 Richard Sandiford <richard@codesourcery.com>
2867 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
2868 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
2869 and say that only one is needed.
2870 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
2871 * target.h (have_switchable_bss_sections): New hook.
2872 * explow.c (use_anchored_address): Check that the symbol is in a block.
2873 * varasm.c (tls_comm_section, comm_section, lcomm_section)
2874 (bss_noswitch_section): New variables.
2875 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
2876 (get_noswitch_section): New function.
2877 (get_block_for_section): Allow SECT to be null.
2878 (unlikely_text_section_p): Use SECTION_STYLE.
2879 (bss_initializer_p): New function.
2880 (get_variable_section): Move earlier in file. Take a new argument,
2881 prefer_noswitch_p. Move bss checks from assemble_variable to here.
2882 Return one of the new *_sections in such cases.
2883 (get_block_for_decl): New function, extracting some logic from
2884 use_blocks_for_decl_p.
2885 (change_symbol_section): Remove in favor of...
2886 (change_symbol_block): ...this new function.
2887 (use_blocks_for_decl_p): Remove checks now performed by
2889 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
2890 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
2891 (emit_local, emit_bss, emit_common): ...these new functions.
2892 Return true if the alignment was honored.
2893 (emit_tls_common): New function.
2894 (asm_emit_uninitialised): Delete.
2895 (assemble_variable_noswitch): New function, split out from...
2896 (assemble_variable): ...here. Don't make decisions about common
2897 variables here. Globalize all public decls that go into non-common
2898 sections. Check whether SYMBOL_REF_BLOCK is null.
2899 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
2900 (output_constant_pool): Likewise.
2901 (init_varasm_once): Initialize the new section variables.
2902 (have_global_bss_p): New function.
2903 (categorize_decl_for_section): Use bss_initializer_p.
2904 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
2905 (place_block_symbol): Assert that the symbol must be in a block.
2906 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
2907 (TARGET_INITIALIZER): Include it.
2908 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
2909 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
2910 (SECTION_MACH_DEP): Bump by two.
2911 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
2912 (unnamed_section): Mention SECTION_UNNAMED in comment.
2913 (named_section): Likewise SECTION_NAMED.
2914 (noswitch_section_callback): New type.
2915 (noswitch_section): New structure.
2916 (section): Add a noswitch_section alternative.
2917 (SECTION_STYLE): New macro.
2918 (tls_comm_section, comm_section, lcomm_section): Declare.
2919 (bss_noswitch_section, have_global_bss_p): Declare.
2920 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2921 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2923 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2924 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2927 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
2929 * gcc/tree-vrp.c (execute_vrp): Return value.
2930 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
2931 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
2932 * gcc/tree-complex.c (tree_lower_complex): Ditto.
2933 (tree_lower_complex_O0): Ditto.
2934 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
2935 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
2936 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
2937 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
2938 (execute_tail_calls): Ditto.
2939 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2940 * gcc/tree.h (init_function_for_compilation): Ditto.
2941 * gcc/ipa-cp.c (ipcp_driver): Ditto.
2942 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
2943 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
2944 * gcc/final.c (compute_alignments): Ditto.
2945 (rest_of_handle_final): Ditto.
2946 (rest_of_handle_shorten_branches): Ditto.
2947 (rest_of_clean_state): Ditto.
2948 * gcc/omp-low.c (execute_expand_omp): Ditto.
2949 (execute_lower_omp): Ditto.
2950 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
2951 * gcc/ipa-reference.c (static_execute): Ditto.
2952 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
2953 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
2954 (rest_of_handle_machine_reorg): Ditto.
2955 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
2956 * gcc/flow.c (recompute_reg_usage): Ditto.
2957 (rest_of_handle_remove_death_notes): Ditto.
2958 (rest_of_handle_life): Ditto.
2959 (rest_of_handle_flow2): Ditto.
2960 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
2961 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
2962 (do_ssa_store_ccp): Ditto.
2963 (execute_fold_all_builtins): Ditto.
2964 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
2965 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
2966 * gcc/ipa-pure-const.c (static_execute): Ditto.
2967 * gcc/cse.c (rest_of_handle_cse): Ditto.
2968 (rest_of_handle_cse2): Ditto.
2969 * gcc/web.c (rest_of_handle_web): Ditto.
2970 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
2971 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
2972 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2973 * gcc/tree-nrv.c (tree_nrv): Ditto.
2974 (execute_return_slot_opt): Ditto.
2975 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
2976 (create_structure_vars): Ditto.
2977 * gcc/loop-init.c (rtl_loop_init): Ditto.
2978 (rtl_loop_done): Ditto.
2979 (rtl_move_loop_invariants): Ditto.
2980 (rtl_unswitch): Ditto.
2981 (rtl_unroll_and_peel_loops): Ditto.
2982 (rtl_doloop): Ditto.
2983 * gcc/gimple-low.c (lower_function_body): Ditto.
2984 (mark_used_blocks): Ditto.
2985 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
2986 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
2987 (cgraph_early_inlining): Ditto.
2988 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
2989 * gcc/jump.c (cleanup_barriers): Ditto.
2990 (purge_line_number_notes): Ditto.
2991 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
2992 (rest_of_handle_if_after_reload): Ditto.
2993 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
2994 (tree_ssa_loop_im): Ditto.
2995 (tree_ssa_loop_unswitch): Ditto.
2996 (tree_vectorize): Ditto.
2997 (tree_linear_transform): Ditto.
2998 (tree_ssa_loop_ivcanon): Ditto.
2999 (tree_ssa_empty_loop): Ditto.
3000 (tree_ssa_loop_bounds): Ditto.
3001 (tree_complete_unroll): Ditto.
3002 (tree_ssa_loop_prefetch): Ditto.
3003 (tree_ssa_loop_ivopts): Ditto.
3004 (tree_ssa_loop_done): Ditto.
3005 * gcc/predict.c (tree_estimate_probability): Ditto.
3006 * gcc/recog.c (split_all_insns_noflow): Ditto.
3007 (rest_of_handle_peephole2): Ditto.
3008 (rest_of_handle_split_all_insns): Ditto.
3009 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3010 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3011 (rest_of_handle_stack_adjustments): Ditto.
3012 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3013 * gcc/function.c (instantiate_virtual_regs): Ditto.
3014 (init_function_for_compilation): Ditto.
3015 (rest_of_handle_check_leaf_regs): Ditto.
3016 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3017 (rest_of_handle_gcse): Ditto.
3018 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3019 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3020 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3021 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3022 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3023 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3024 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3025 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3026 * gcc/except.c (set_nothrow_function_flags): Ditto.
3027 (convert_to_eh_region_ranges): Ditto.
3028 (rest_of_handle_eh): Ditto.
3029 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3030 (remove_unnecessary_notes): Ditto.
3031 * gcc/except.h (set_nothrow_function_flags): Ditto.
3032 (convert_to_eh_region_ranges): Ditto.
3033 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3034 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3035 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3036 (execute_fre): Ditto.
3037 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3038 (rest_of_handle_jump2): Ditto.
3039 * gcc/tree-sra.c (tree_sra): Ditto.
3040 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3041 (execute_mudflap_function_decls): Ditto.
3042 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3043 (do_store_copy_prop): Ditto.
3044 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3045 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3046 * gcc/tree-ssa-forwprop.c
3047 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3048 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3049 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3050 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3051 (execute_late_warn_uninitialized): Ditto.
3052 * gcc/rtl.h (cleanup_barriers): Ditto.
3053 (split_all_insns_noflow): Ditto.
3054 (purge_line_number_notes): Ditto.
3055 (unshare_all_rtl): Ditto.
3056 (remove_unnecessary_notes): Ditto.
3057 (recompute_reg_usage): Ditto.
3058 (variable_tracking_main): Ditto.
3059 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3060 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3061 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3062 (execute_free_cfg_annotations): Ditto.
3063 (execute_fixup_cfg): Ditto.
3064 (execute_cleanup_cfg_pre_ipa): Ditto.
3065 (execute_cleanup_cfg_post_optimizing): Ditto.
3066 (execute_init_datastructures): Ditto.
3067 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3068 * gcc/combine.c (rest_of_handle_combine): Ditto.
3069 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3070 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3071 (rest_of_handle_reorder_blocks): Ditto.
3072 (rest_of_handle_partition_blocks): Ditto.
3073 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3074 * gcc/tree-profile.c (tree_profiling): Ditto.
3075 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3076 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3077 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3078 (rest_of_handle_sched2): Ditto.
3079 * gcc/basic-block.h (free_bb_insn): Ditto.
3080 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3081 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3082 (remove_useless_stmts): Ditto.
3083 (split_critical_edges): Ditto.
3084 (execute_warn_function_return): Ditto.
3085 (execute_warn_function_noreturn): Ditto.
3086 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3087 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3088 * gcc/passes.c (execute_one_pass): Run additional
3089 todos returned by execute function.
3090 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
3093 2006-03-02 Richard Guenther <rguenther@suse.de>
3095 * tree-ssa-alias.c (find_used_portions): Consider taking
3096 the address as making the variable not write-only.
3098 2006-03-02 Nick Clifton <nickc@redhat.com>
3100 * config.gcc (default_use_cxa_atexit): Extend the description of
3101 this configure variable. Set its default value to "yes" for
3102 Linux, NetBSD and ELF targets on the assumption that they will
3103 use C libraries with the __cxa_atexit function.
3105 2006-03-02 Ben Elliston <bje@au.ibm.com>
3107 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3108 parameter as unused to suppress a build warning.
3110 2006-03-02 Ben Elliston <bje@au.ibm.com>
3112 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3115 2006-03-01 Roger Sayle <roger@eyesopen.com>
3118 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3119 declared name, the weak reference name, and the typeof name.
3120 (__gthrw): Avoid expanding the declared name suffix.
3121 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3123 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3125 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3127 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3128 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3129 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3130 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3131 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3132 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3133 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3134 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3135 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3136 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3137 (DW_END_default, DW_END_big, DW_END_little): New.
3138 (DW_END_lo_user, DW_END_hi_user): Define.
3139 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3140 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3141 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3144 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3146 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3148 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3150 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3152 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3154 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3155 to 'symbol_mem_tag'.
3157 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3160 2006-03-01 Roger Sayle <roger@eyesopen.com>
3162 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3164 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3167 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3168 MACHO_DYNAMIC_NO_PIC_P.
3169 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3171 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3174 * config/darwin-protos.h (darwin_asm_output_anchor):
3176 * config/darwin-sections.def (cstring_section):
3177 Add SECTION_MERGE to the flags.
3178 (literal4_section): Likewise.
3179 (literal8_section): Likewise.
3180 (objc_selector_refs_section): Likewise.
3181 (objc_cls_refs_section): Likewise.
3182 * config/darwin.c (darwin_asm_output_anchor): New
3184 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3186 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3188 Fix PR tree-optimization/26443
3189 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3190 to todo and PROP_tmt_usage to properties_destroyed.
3191 * tree-ssa-ccp.c (pass_ccp): Ditto.
3192 (pass_store_ccp): Ditto.
3193 * tree-ssa-dom.c (pass_dominator): Ditto.
3195 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3197 * tree-ssa-operands.c: Cleanup whitespace.
3198 (get_asm_expr_operands): Move before first invocation.
3199 (get_indirect_ref_operands): Likewise.
3200 (get_tmr_operands): Likewise.
3201 (get_call_expr_operands): Likewise.
3202 (append_def): Likewise.
3203 (append_use): Likewise.
3204 (append_v_may_def): Likewise.
3205 (append_v_must_def): Likewise.
3206 (add_call_clobber_ops): Likewise.
3207 (add_call_read_ops): Likewise.
3208 (add_stmt_operand): Likewise.
3209 (add_virtual_operand): Likewise.
3210 (build_ssa_operands): Likewise.
3212 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3217 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3218 with a call expr to ...
3219 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3221 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3223 * tree-vrp.c (extract_range_from_assert): Remove special
3224 handling for types with super-types.
3226 2006-03-01 Ben Elliston <bje@au.ibm.com>
3228 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3229 and powerpc64-*-linux* configurations.
3230 * config/t-dfprules: New file.
3232 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3233 Compile dfp-bit.c from the source directory using -DWIDTH and
3234 $DFP_CFLAGS to control the compilation of that file, rather than
3235 generating width-specific versions in the build directory.
3236 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3237 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3239 2006-02-28 Zack Weinberg <zackw@panix.com>
3241 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3244 2006-02-28 Eric Christopher <echristo@apple.com>
3246 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3247 Set up IN_LIBGCC definition of TARGET_64BIT.
3248 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3250 2006-02-28 Roger Sayle <roger@eyesopen.com>
3253 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3254 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3255 cases via the construction of "expr != 0".
3257 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3259 * alias.c (alias_invariant, alias_invariant_size): Remove.
3260 (record_base_value): Remove.
3261 (memrefs_conflict_p): Don't look at alias_invariant.
3262 (end_alias_analysis): Don't free it.
3263 * alias.h (record_base_value): Remove prototype.
3265 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3266 Adam Nemet <anemet@caviumnetworks.com>
3268 * rtl.h (truncated_to_mode): Declare it.
3269 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3270 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3271 (RTL_HOOKS_INITIALIZER): Include it.
3272 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3273 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3274 reg_truncated_to_mode.
3275 * rtlanal.c (truncated_to_mode): Define it.
3276 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3278 2006-02-28 Jeff Law <law@redhat.com>
3280 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3281 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3282 the range allowed by TYPE_PRECISION.
3284 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3286 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3288 PR tree-optimization/26419
3289 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3292 2006-02-27 Zack Weinberg <zackw@panix.com>
3294 * doc/md.texi: Fix typo in previous change.
3296 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3300 2006-02-27 Zack Weinberg <zackw@panix.com>
3302 * rtl.def (define_constraint, define_register_constraint)
3303 (define_memory_constraint, define_address_constraint): New MD forms.
3304 * gensupport.c (process_rtx): Put define_constraint etc on the
3306 * genpreds.c (process_define_predicate): Adjust comment. Validate
3307 the name, and call validate_exp to validate the expression.
3308 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3309 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3310 all callers changed.
3311 (validate_exp, needs_variable, struct constraint_data)
3312 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3313 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3314 (const_dbl_constraints, constraint_max_namelen)
3315 (have_register_constraints, have_memory_constraints)
3316 (have_address_constraints, have_address_constraints)
3317 (have_extra_constraints, have_const_int_constraints)
3318 (have_const_dbl_constraints, mangle, add_constraint)
3319 (process_define_constraint, process_define_register_constraint)
3320 (write_enum_constraint_num, write_lookup_constraint)
3321 (write_insn_constraint_len, write_regclass_for_constraint)
3322 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3323 (write_insn_extra_memory_constraint)
3324 (write_insn_extra_address_constraint)
3325 (write_satisfies_constraint_fns): New.
3326 (write_tm_preds_h): If we have new-style constraint definitions,
3327 prototype the functions generated from them, and define the
3328 old constraint interface (still used by generic code) in terms of
3330 (write_insn_preds_c): If we have new-style constraint definitions,
3331 generate all relevant functions from those definitions.
3332 (main): Handle define_constraint etc.
3333 * genoutput.c (struct constraint_data, indep_constraints)
3334 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3335 (mdep_constraint_len): New data structures and functions, defined
3336 #ifdef USE_MD_CONSTRAINTS.
3337 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3338 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3339 use new logic to validate operand constraints against constraint
3341 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3343 * defaults.h: If none of the old-style constraint macros are
3344 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3345 old-style macros; and poison REG_CLASS_FROM_LETTER,
3346 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3348 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3349 * doc/md.texi: Document new constraint-definition mechanism and the
3350 C interface it provides. Remove references to old mechanism
3351 elsewhere in the document.
3352 (Machine Constraints): Use pathnames relative to gcc directory,
3353 i.e. config/ARCH/FILE. Change i386 section to refer to
3354 config/i386/predicates.md; update that section to match docstrings.
3355 * doc/tm.texi: Move all documentation of the old constraint-
3356 definition macros to their own section, clearly mark as obsolete.
3358 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3359 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3361 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3362 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3363 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3365 (splits and peepholes): Use satisfies_constraint_*.
3366 * config/i386/i386.c (memory_address_length)
3367 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3369 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3371 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3372 scalar operation to be put back into the loop.
3374 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3377 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3378 (extract_cie_info): Handle S flag in augmentation string.
3379 (execute_cfa_program): If context->signal_frame, execute also
3380 fs->pc == context->ra instructions.
3381 (uw_frame_state_for): If context->signal_frame, don't subtract one
3382 from context->ra to find FDE.
3383 (uw_update_context_1): Set context->signal_frame to
3385 (_Unwind_GetIPInfo): New function.
3386 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3387 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3389 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3390 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3391 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3392 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3393 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3394 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3395 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3396 x86_64_fallback_frame_state): Set fs->signal_frame.
3397 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3398 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3399 (frob_update_context): Likewise. Workaround missing S flag in
3400 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3401 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3402 Remove the psw_addr + 1 hack.
3404 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3406 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3407 with aggregates here.
3408 (find_func_aliases): Remove code for &<aggregate> from here.
3410 2006-02-26 Roger Sayle <roger@eyesopen.com>
3412 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3413 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3414 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3417 2006-02-26 Roger Sayle <roger@eyesopen.com>
3420 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3422 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3424 * opts.c (decode_options): Do not handle flag_strength_reduce.
3425 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3426 and OPT_fstrength_reduce.
3427 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3428 flag_prefetch_loop_arrays for being nonzero.
3429 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3431 (fprefetch-loop-arrays-rtl): Removed.
3432 (flag_prefetch_loop_arrays): Do not specify the value.
3434 * doc/passes.texi: Update documentation of loop optimizer
3436 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3437 -frerun-loop-opt): Remove.
3439 2006-02-26 Richard Guenther <rguenther@suse.de>
3441 PR tree-optimization/26421
3442 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3443 in function calls that are ADDR_EXPRs as using the whole structure.
3445 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3447 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3448 * tree-pass.h (pass_loop_optimize): Remove.
3449 * passes.c (pass_loop_optimize): Never run it.
3450 * toplev.c (backend_init): Don't call init_loop.
3451 * opts.c (flag_loop_optimize_set): Remove.
3452 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3453 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3454 the old RTL loop optimizer when profiling enabled.
3455 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3456 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3457 pre-headers for the sake of the old RTL loop optimizer.
3458 * Makefile.in: Remove all references to loop.o.
3460 * doc/invoke.texi: Remove all references to -floop-optimize
3461 and -frerun-loop-opt.
3463 2006-02-26 Zack Weinberg <zackw@panix.com>
3465 * doc/md.texi (Machine Constraints): Refer to all files with paths
3466 relative to gcc directory (i.e. config/CPU/file). Add missing
3467 @table @code ... @end table to M32C subsection.
3469 2006-02-26 Roger Sayle <roger@eyesopen.com>
3471 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3473 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3475 2006-02-26 Roger Sayle <roger@eyesopen.com>
3476 James A. Morrison <phython@gcc.gnu.org>
3479 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3480 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3481 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3482 signedness of the shift operation.
3484 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3486 PR tree-optimization/26359
3487 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3489 2006-02-25 Roger Sayle <roger@eyesopen.com>
3491 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3492 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3493 as X == 0, and some symmetry related transformations.
3494 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3496 2006-02-25 Roger Sayle <roger@eyesopen.com>
3499 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3500 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3501 symmetry related transformations. Fold (X^C1) == C2 as
3504 2006-02-25 Juergen Weigert <jw@suse.de>
3505 Richard Guenther <rguenther@suse.de>
3507 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3509 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3511 * combine.c (gen_lowpart_or_truncate): Call
3512 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3514 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3516 * doc/invoke.texi: Move -fopenmp description to "Options for
3518 Remove reference to -lgomp.
3520 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3522 * doc/install.texi: Require GNU tar version 1.14.
3524 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3526 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3527 * doc/invoke.texi (C++ Dialect Options): Document
3528 -fno-use-cxa-get-exception-ptr.
3529 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3530 * configure: Regenerate.
3531 * c.opt (fuse-cxa-get-exception-ptr): New.
3532 * c-opts.c (c_common_handle_option): Handle
3533 OPT_fuse_cxa_get_exception_ptr.
3534 * c-common.c (flag_use_cxa_atexit): Update documentation.
3535 (flag_use_cxa_get_exception_ptr): New.
3536 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3537 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3539 (C_COMMON_OVERRIDE_OPTIONS): New.
3541 2006-02-24 Roger Sayle <roger@eyesopen.com>
3544 * combine.c (try_combine): Explicitly check whether GET_CODE is
3545 a SET or a CLOBBER, instead on checking that it isn't a USE.
3547 2006-02-24 Roger Sayle <roger@eyesopen.com>
3549 * fold-const.c (fold_comparison): New subroutine of fold_binary
3550 containing transformations common to both the equality and
3551 ordering relational operators, factored out of fold_binary.
3552 (fold_binary): Separate out the equality operators (EQ_EXPR
3553 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3554 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3555 transformations common to both.
3556 (fold_div_compare): Fix latent bugs in the previously unreachable
3557 LT_EXPR and GE_EXPR cases.
3559 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3561 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3562 decl libname for clog to __clog on AIX.
3564 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3566 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3569 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3570 output traceback table for thunks. Localise rs6000_stack_info call.
3572 2006-02-23 Roger Sayle <roger@eyesopen.com>
3573 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3575 * gthr-posix.h (__gthrw): Fix typo in comment.
3577 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3579 * doc/cpp.texi (Character sets): Document that we do support
3580 input files to be in any character set.
3582 2006-02-23 Jeff Law <law@redhat.com>
3584 * tree.h (PHI_ARG_NONZERO): Remove.
3585 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3586 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3587 node to the new node.
3589 PR tree-optimization/26425
3590 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3591 min/max, then assume its varying.
3593 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3595 PR rtl-optimization/26316
3596 * rtlanal.c (enum may_trap_p_flags): New.
3597 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3598 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3599 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3600 (may_trap_after_code_motion_p): New function.
3601 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3602 (find_invariant_insn): Use may_trap_after_code_motion_p.
3603 * rtl.h (may_trap_after_code_motion_p): Declare.
3605 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3607 * emit-rtl.c (immed_double_const): Cleanup.
3609 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3611 Fix PR tree-optimization/26376
3612 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3615 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3618 * gimplify.c (omp_add_variable): Guard variable size decl test with
3619 DECL_SIZE (decl) check.
3621 2006-02-23 Richard Guenther <rguenther@suse.de>
3624 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3625 like aggregate types.
3627 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3629 * configure.ac: Add --with{,out}-long-double-128 configure option.
3630 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3631 * configure: Rebuilt.
3632 * config.in: Rebuilt.
3633 * doc/install.texi (Options specification): Document
3634 --with-long-double-128.
3636 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3637 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3638 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3639 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3641 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3643 * config/s390/s390.c (override_options): Handle
3644 TARGET_DEFAULT_LONG_DOUBLE_128.
3646 * config/alpha/alpha.c (override_options): Handle
3647 TARGET_DEFAULT_LONG_DOUBLE_128.
3649 * config/sparc/sparc.c (sparc_override_options): Handle
3650 TARGET_DEFAULT_LONG_DOUBLE_128.
3652 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3654 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3655 (real-install-headers-tar, real-install-headers-cpio)
3656 (real-install-headers-cp): New targets.
3658 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3660 * tree.h (variable_section): Delete.
3661 * varasm.c (variable_section): Delete.
3663 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3665 * install.texi: Add notes on install.texi2html.
3666 (Building in parallel): Do not use footnotes.
3668 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3671 * doc/install.texi (Configuration): Document --disable-libgomp.
3673 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3675 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3677 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3679 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3680 (vec_extractv2df_0_sse): New.
3682 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3684 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
3685 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
3686 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
3687 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
3688 to the result of the expression.
3689 (def_cfa_1): Adjust.
3690 (frame_pointer_cfa_offset): Rename to...
3691 (frame_pointer_fb_offset): ... this. Adjust all uses.
3692 (convert_cfa_to_loc_list): Rename to...
3693 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
3694 Pass it on to build_cfa_loc.
3695 (compute_frame_pointer_to_cfa_displacement): Rename to...
3696 (compute_frame_pointer_to_fb_displacement): ... this. New
3697 offset parameter. Use it in computation.
3698 (gen_subprogram_die): Compute cfa_fb_offset with the new
3699 macro, and use it to compute the fb loc list and the
3702 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
3704 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
3705 replaced with register_operand.
3706 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
3707 non-DREG is expensive.
3708 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
3709 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
3712 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
3714 * doc/install.texi2html: Use set -e.
3716 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3718 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3719 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3720 * doc/invoke.texi (-fshared-data): Delete.
3721 * common.opt (fshared-data): Delete.
3722 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
3723 (assemble_static_space): Remove #if 0 code.
3724 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3725 (ASM_OUTPUT_SHARED_LOCAL): Poison.
3726 * config/cris/cris.h: Remove FIXME.
3728 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
3730 * doc/sourcebuild.texi (Front End Directory): No more double-colon
3733 2006-02-21 Jakub Jelinek <jakub@redhat.com>
3736 * combine.c (simplify_shift_const_1): Disable nested shifts
3737 optimization for vector shifts.
3739 2006-02-20 Roger Sayle <roger@eyesopen.com>
3741 PR tree-optimization/26361
3742 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
3743 of unsigned integer types.
3745 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
3747 * tree-chrec.c (eq_evolutions_p): New.
3748 * tree-chrec.h (eq_evolutions_p): Declared.
3749 * tree-data-ref.c: Fix formatting.
3750 (datadep_stats, dependence_stats): New.
3752 (print_direction_vector): New.
3753 (dump_data_dependence_relation): Use print_direction_vector.
3754 (object_analysis, create_data_ref): Handle COMPONENT_REF.
3755 (compute_subscript_distance): Static.
3756 (initialize_data_dependence_relation): Static. Get the number
3757 of loops surrounding the references from the callers, and initialize
3758 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
3759 base_object_differ_p analyzers.
3760 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
3761 compute_overlap_steps_for_affine_1_2,
3762 analyze_subscript_affine_affine): Count the classified dependences.
3763 Print a message when a test failed.
3764 (can_use_analyze_subscript_affine_affine): New.
3765 (analyze_siv_subscript): Compute the data dependences on symbolic
3766 scevs that verify can_use_analyze_subscript_affine_affine.
3767 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3768 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3769 Handle symbolic scevs.
3770 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3772 (subscript_dependence_tester): Moved...
3773 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3774 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3775 DDR_SIZE_VECT instead of getting it in parameter.
3776 (subscript_dependence_tester): ... here. Take as a parameter
3777 loop_nest_depth. Call build_classic_dist_vector and
3778 build_classic_dir_vector.
3779 (compute_affine_dependence): Update subscript_dependence_tester
3780 parameters. Update datadep_stats counters. Call
3781 compute_subscript_distance.
3782 (compute_self_dependence): Save the dist and dir vectors. Call
3783 compute_subscript_distance.
3784 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3785 (compute_all_dependences): Reorder parameters as they were before
3786 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3787 compute_subscript_distance. Update the use of
3788 compute_affine_dependence and initialize_data_dependence_relation.
3789 (find_data_references_in_loop): Handle COMPONENT_REF.
3790 (compute_data_dependences_for_loop): Initialize dependence_stats.
3791 Don't call build_classic_dist_vector and build_classic_dir_vector.
3792 Update the parameters of initialize_data_dependence_relation and
3793 compute_all_dependences. Print the statistics from datadep_stats.
3794 (analyze_all_data_dependences): Static. Not used until the pass for
3795 checking the data dependences is contributed.
3796 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3797 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3798 (initialize_data_dependence_relation, compute_affine_dependence,
3799 analyze_all_data_dependences, compute_subscript_distance): Removed.
3800 (print_direction_vector): New.
3801 * lambda.h (gcd): ... here.
3802 (lambda_vector_gcd): Moved here from gcd_vector.
3803 * lambda-code.c (gcd, gcd_vector): Removed.
3804 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3805 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3807 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3809 * ipa-type-escape.c: Tidy some comments and white space.
3810 * tree-ssa-operands.c: Likewise.
3812 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3815 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3816 (dump_decl_name): Do not walk the decl tree chains.
3817 * tree-pass.h (TDF_CHAIN): Remove.
3819 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3821 * Makefile.in (C): Remove
3823 (.PHONY): Remove C and PROTO
3825 2006-02-20 Roger Sayle <roger@eyesopen.com>
3828 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
3829 deprecated CHAR_TYPE tree code.
3831 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3833 * configure.ac (target_list): Add install-info, dvi, html.
3834 * configure: Regenerate.
3836 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
3837 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
3838 treelang/Make-lang.in: Do not use double-colon rules.
3840 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
3842 * tree.h (struct tree_memory_tag): Add is_used_alone member.
3843 (TMT_USED_ALONE): New macro.
3844 * tree-pass.h (PROP_tmt_usage): New property.
3845 (TODO_update_tmt_usage): New todo.
3846 * tree-ssa-alias.c (updating_used_alone): New variable.
3847 (recalculate_used_alone): New function.
3848 (compute_may_aliases): Set updating_used_alone, call
3849 recalculate_used_alone.
3850 * tree-sra.c (pass_sra): Note that this pass destroys
3851 PROP_tmt_usage, and add TODO_update_tmt_usage.
3852 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
3853 * tree-flow.h (updating_used_alone): Prototype.
3854 (recalculate_used_alone): Ditto.
3855 * passes.c (execute_todo): Add code to set updating_used_alone,
3856 and call recalculate.
3857 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
3858 for clobber if used alone, and add assert to verify used_alone
3861 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
3863 * config/s390/s390.c (legitimize_pic_address): Assertions checking
3864 for non tls symbols added.
3865 (legitimize_address): Do nothing for PLUS expressions if one of the
3866 addends is a tls symbol reference.
3868 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3872 * Makefile.in (LDFLAGS): Define from autoconf substitution.
3874 * Makefile.in (BOOTSTRAPPING): New.
3875 (quickstrap): New definition if BOOTSTRAPPING=yes.
3877 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
3878 * configure.ac: Substitute all_selected_languages with the languages
3879 that were configured. For all the other variables except
3880 lang_specs_files, include all the languages in the tree.
3881 * configure: Regenerate.
3883 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
3884 if there is one. Run the commands to run fixincludes in the same
3887 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
3888 * doc/install.texi: Document exact conventions for searching target tools.
3889 Document --with-build-time-tools. Document toplevel bootstrap. Document
3890 something more about building an Ada cross-compiler. Don't list GNU Make
3891 requirements which affect all platforms.
3893 2006-02-19 Roger Sayle <roger@eyesopen.com>
3896 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
3897 only equivalent if the have both the same mode and precision.
3899 2006-02-20 Ben Elliston <bje@au.ibm.com>
3901 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
3903 2006-02-19 Roger Sayle <roger@eyesopen.com>
3904 Steven Bosscher <stevenb.gcc@gmail.com>
3906 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
3907 constant pool references to identify stack mode constants.
3908 * rtlanal.c (constant_pool_constant_p): New predicate to check
3909 whether operand is a floating point constant in the pool.
3910 * rtl.h (constant_pool_constant_p): Prototype here.
3911 * loop.c (scan_loop): Avoid hoisting constants from the constant
3912 pool on STACK_REGS targets.
3913 (load_mems): Likewise.
3914 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
3915 loads into x87 registers expensive in terms of register pressure.
3917 2006-02-19 Roger Sayle <roger@eyesopen.com>
3919 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
3920 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
3922 2006-02-19 David Edelsohn <edelsohn@gnu.org>
3924 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3925 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
3927 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
3929 * doc/invoke.texi: Document -fipa-pta.
3930 * common.opt: Add ipa-pta option.
3931 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
3932 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
3933 (do_ds_constraint): Ditto.
3934 (get_constraint_for): Only add to referenced_vars if
3935 referenced_vars exists.
3936 (insert_into_field_list): Rewrite to do this unsorted.
3937 (insert_into_field_list_sorted): Rename old insert_into_field_list
3939 (create_function_info_for): Use insert_into_field_list_sorted.
3940 (create_variable_info_for): Rewrite so it uses unsorted version,
3941 since the field list is sorted.
3942 (intra_create_variable_infos): Only add to referenced_vars if
3943 referenced_vars exists.
3944 (ipa_pta_execute): Init heapvars, and delete when done.
3945 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
3947 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3949 * doc/install.texi: Add missing `@samp'.
3951 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3953 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
3956 2006-02-18 Mark Wielaard <mark@klomp.org>
3958 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
3959 who added new 4.1 features, bug fixes and integration support.
3961 2006-02-18 David Edelsohn <edelsohn@gnu.org>
3964 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
3967 2006-02-18 Richard Sandiford <richard@codesourcery.com>
3969 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
3970 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
3971 (copy_insn_1): Likewise. Don't copy each field individually.
3973 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
3975 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
3976 * rtl.c (rtx_size): Rename variable to...
3977 (rtx_code_size): ...this.
3978 (rtx_size): New function.
3979 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
3980 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
3982 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
3983 * rtl.h (rtx_code_size): New variable.
3984 (rtx_size): Change from a variable to a function.
3985 (RTX_SIZE): Rename to...
3986 (RTX_CODE_SIZE): ...this.
3989 PR tree-optimization/17106
3990 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
3991 (Anchored Addresses): New section.
3992 * doc/invoke.texi (-fsection-anchors): Document.
3993 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
3994 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
3995 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
3996 * hooks.c (hook_bool_mode_rtx_false): New function.
3997 * hooks.h (hook_bool_mode_rtx_false): Declare.
3998 * gengtype.c (create_optional_field): New function.
3999 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4000 SYMBOL_REF_IN_BLOCK_P is true.
4001 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4002 (min_anchor_offset, max_anchor_offset): Likewise.
4003 (use_anchors_for_symbol_p): New hook.
4004 * toplev.c (compile_file): Call output_object_blocks.
4005 (target_supports_section_anchors_p): New function.
4006 (process_options): Check that -fsection-anchors is only used on
4007 targets that support it and when -funit-at-a-time is in effect.
4008 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4009 if the decl doesn't have one.
4010 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4011 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4012 of force_const_mem through use_anchored_address.
4013 (expand_expr_constant): New function.
4014 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4015 calling expand_expr for INDIRECT_REF.
4016 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4017 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4018 * expr.h (use_anchored_address): Declare.
4019 * loop-unroll.c: Don't declare rtx vectors here.
4020 * explow.c: Include output.h.
4021 (validize_mem): Call use_anchored_address.
4022 (use_anchored_address): New function.
4023 * common.opt (-fsection-anchors): New switch.
4024 * varasm.c (object_block_htab, anchor_labelno): New variables.
4025 (hash_section, object_block_entry_eq, object_block_entry_hash)
4026 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4027 (use_blocks_for_decl_p, change_symbol_section): New functions.
4028 (get_variable_section): New function, split out from assemble_variable.
4029 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4030 use_blocks_for_decl_p say so. Use change_symbol_section if the
4031 symbol has already been created.
4032 (assemble_variable_contents): New function, split out from...
4033 (assemble_variable): ...here. Don't output any code for
4034 block symbols; just pass them to place_block_symbol.
4035 Use get_variable_section and assemble_variable_contents.
4036 (get_constant_alignment, get_constant_section, get_constant_size): New
4037 functions, split from output_constant_def_contents.
4038 (build_constant_desc): Create a block symbol if use_object_blocks_p
4039 says so. Or into SYMBOL_REF_FLAGS.
4040 (assemble_constant_contents): New function, split from...
4041 (output_constant_def_contents): ...here. Don't output any code
4042 for block symbols; just pass them to place_section_symbol.
4043 Use get_constant_section and get_constant_alignment.
4044 (force_const_mem): Create a block symbol if use_object_blocks_p and
4045 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4046 (output_constant_pool_1): Add an explicit alignment argument.
4047 Don't switch sections here.
4048 (output_constant_pool): Adjust call to output_constant_pool_1.
4049 Switch sections here instead. Don't output anything for block symbols;
4050 just pass them to place_block_symbol.
4051 (init_varasm_once): Initialize object_block_htab.
4052 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4053 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4054 (place_block_symbol, get_section_anchor, output_object_block)
4055 (output_object_block_htab, output_object_blocks): New functions.
4056 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4057 (TARGET_ASM_OUT): Include it.
4058 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4059 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4060 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4061 (TARGET_INITIALIZER): Include them.
4062 * rtl.c (rtl_check_failed_block_symbol): New function.
4063 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4064 (block_symbol, object_block): New structures.
4065 (rtx_def): Add a block_symbol field to the union.
4066 (BLOCK_SYMBOL_CHECK): New macro.
4067 (rtl_check_failed_block_symbol): Declare.
4068 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4069 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4070 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4071 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4072 * output.h (output_section_symbols): Declare.
4073 (object_block): Name structure.
4074 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4075 (default_use_anchors_for_symbol_p): Declare.
4076 * Makefile.in (RTL_BASE_H): Add vec.h.
4077 (explow.o): Depend on output.h.
4078 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4079 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4080 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4081 (rs6000_use_blocks_for_constant_p): New function.
4083 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4085 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4087 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4090 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
4093 2006-02-18 Diego Novillo <dnovillo@redhat.com>
4095 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
4099 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4102 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
4103 instead of DECL_REGISTER.
4105 2006-02-18 Olivier Hainque <hainque@adacore.com>
4108 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4110 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4113 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4114 * opth-gen.awk: Handle Var and InverseMask together.
4115 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4116 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4117 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4118 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4120 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4121 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4122 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4123 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4124 LINUX_DYNAMIC_LINKER): Define.
4125 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4126 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4128 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4129 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4130 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4131 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4132 (TARGET_C99_FUNCTIONS): Don't define.
4133 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4134 GLIBC_DYNAMIC_LINKER.
4135 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4136 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4137 GLIBC_DYNAMIC_LINKER64): Define.
4138 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4139 LINUX_DYNAMIC_LINKER64.
4140 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4141 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4142 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4143 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4144 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4145 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4146 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4147 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4148 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4149 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4150 and LINUX_DYNAMIC_LINKER32.
4151 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4152 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4153 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4154 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4155 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4157 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4158 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4159 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4160 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4161 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4162 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4163 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4164 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4165 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4166 LINUX_DYNAMIC_LINKER): Define.
4167 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4168 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4169 GLIBC_DYNAMIC_LINKER64): Define.
4170 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4171 LINUX_DYNAMIC_LINKER64.
4172 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4173 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4174 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4175 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4176 LINUX_DYNAMIC_LINKER): Define.
4177 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4178 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4179 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4180 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4181 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4182 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4183 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4184 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4185 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4186 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4187 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4188 * doc/invoke.texi (-muclibc): Remove caveat about supported
4191 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4193 * doc/cpp.texi (__TIMESTAMP__): Document.
4195 2006-02-17 Roger Sayle <roger@eyesopen.com>
4198 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4199 C is one less than the width of X (and related transformations).
4200 * simplify-rtx.c (simplify_unary_operation_1): Transform
4201 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4202 depending on STORE_FLAG_VALUE, were C is one less then the
4205 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4207 Fix PR tree-optimization/26341
4208 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4209 about NAME_MEMORY_TAG's.
4211 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4214 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4215 with hardware float support, and software float support. Add fcpy
4216 alternative to hardware patterns. Add alternatives to copy between
4217 general and floating-point registers to the 32-bit pattern.
4218 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4219 secondary reload to load a QI or HI mode constant into a floating
4221 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4222 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4224 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4227 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4229 (load_macho_picbase_di): Likewise.
4231 2006-02-16 Jeff Law <law@redhat.com>
4233 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4234 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4235 (ssa_name_nonzero_p): Likewise.
4236 (get_value_range): Return NULL if VRP is not running.
4237 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4238 VRP routines do not discover a range.
4239 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4240 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4241 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4242 (tree_expr_nonnegative_p): Similarly.
4243 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4244 (restore_nonzero_vars_to_original_value): Remove.
4245 (unsafe_associative_fp_binop): Remove.
4246 (tree_ssa_dominator_optimize): Remove initialization and
4247 finalization of nonzero_vars and nonzero_vars_stack.
4248 (dom_opt_initialize_block): No longer push marker on
4250 (dom_opt_finalize_block): No longer call
4251 restore_nonzero_vars_to_original_value.
4252 (record_equivalences_from_phis): No longer look for
4253 nonzero PHI arguments.
4254 (cprop_into_successor_phis): No longer propagate nonzero
4255 property into PHI arguments. Lose unused argument. Caller
4257 (record_equivalences_from_stmt): No longer record nonzero
4258 values for SSA_NAMEs.
4259 (lookup_avail_expr): No longer use nonzero_vars.
4261 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4262 for sizetype when sizetype is unsigned.
4264 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4266 PR rtl-optimization/25603
4267 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4268 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4269 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4270 with new meaning of SETS.
4272 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4277 * config/linux.opt: New file.
4278 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4279 LINUX_DYNAMIC_LINKER): Define.
4280 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4281 * config.gcc (*-*-linux*): Define extra_options.
4282 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4283 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4284 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4285 GLIBC_DYNAMIC_LINKER.
4286 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4287 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4288 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4289 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4290 * doc/invoke.texi (GNU/Linux Options): New section.
4292 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4294 * config/sparc/sparc.md (setjmp): Rewrite.
4295 (setjmp_32): Delete.
4296 (setjmp_64): Likewise.
4298 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4300 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4303 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4305 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4308 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4310 PR rtl-optimization/26296
4311 * Makefile.in (loop-invariant.c): Add except.h dependency.
4312 * loop-invariant.c: Include except.h.
4313 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4315 2005-02-16 Paul Brook <paul@codesourcery.com>
4317 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4320 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4322 PR rtl-optimization/25636
4323 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4324 when deciding whether an insn is an initializing insn.
4326 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4328 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4329 (tree_code_size): Ditto.
4330 * tree.h (struct tree_memory_tag): Remove parent_var.
4331 (struct tree_struct_field_tag): New.
4334 (union tree_node): Add sft member.
4335 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4337 (create_sft): Add size and offset argument, set SFT_OFFSET and
4339 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4340 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4341 * tree-flow-inline.h (get_subvar_at): Update for
4342 SFT_OFFSET/SFT_SIZE.
4343 (var_can_have_subvars): Ditto.
4344 (overlap_subvar): Ditto.
4345 * print-tree.c (print_node): Print out interesting things for
4347 * tree-flow.h (struct subvar): Remove offset and size members.
4348 * tree-ssa-operands.c (get_expr_operands): Update for
4349 get_indirect_ref_operands changes.
4350 (get_indirect_ref_operands): Call add_virtual_operand instead of
4351 add_stmt_operand. Only recurse on base var if requested.
4352 (access_can_touch_variable): New function.
4353 (add_stmt_operand): Split virtual operand handling into ...
4354 (add_virtual_operand): Here. Add offset, size, and for_clobber
4355 arguments. Prune alias sets.
4356 (add_call_clobber_ops): Call add_virtual_operand.
4358 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4361 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4363 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4364 than TREE_CODE as index into omp_clause_num_ops array.
4366 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4368 PR rtl-optimization/26184
4369 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4371 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4372 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4373 must_precede, must_follow and tobe_scheduled.
4376 * opts.c (common_handle_option): Free new_option pointer.
4377 * df-core.c (df_analyze): Free postorder pointer.
4379 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4381 * Makefile.in: Fix the examples about the use of stamps
4383 2006-02-15 Michael Matz <matz@suse.de>
4387 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4388 influenced by maximum_field_alignment or DECL_PACKED.
4389 (update_alignment_for_field): Ditto.
4390 (place_field): Ditto.
4391 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4394 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4396 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4397 (debug_flow_info): Pass it.
4398 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4399 * bb-reorder.c (reorder_basic_blocks): Likewise.
4400 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4401 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4402 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4403 * gcse.c (gcse_main, bypass_jumps): Likewise.
4404 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4405 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4406 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4407 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4408 * rtl.h (dump_flow_info): Adjust prototype.
4409 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4410 * var-tracking.c (variable_tracking_main): Likewise.
4411 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4412 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4415 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4417 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4420 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4422 PR tree-optimization/26209
4423 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4424 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4426 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4428 2006-02-14 Roger Sayle <roger@eyesopen.com>
4431 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4432 (X,Y) and the corresponding symmetry related transformations.
4433 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4434 (X,Y) and its symmetry related transformations.
4436 2006-02-14 Roger Sayle <roger@eyesopen.com>
4438 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4441 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4443 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4445 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4448 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4449 support COMDAT group.
4450 * configure: Regenerate.
4452 2006-02-14 Roger Sayle <roger@eyesopen.com>
4457 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4459 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4461 Fix PR tree-optimization/26260
4463 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4465 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4466 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4467 * tree-ssa-structalias.c (create_variable_info_for): Use
4468 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4470 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4472 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4474 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4475 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4476 of the ending condition.
4477 * tree-ssa-loop-manip.c: Include params.h.
4478 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4479 tree_unroll_loop): New functions.
4480 * tree-pass.h (pass_loop_prefetch): Declare.
4481 * loop.c (rest_of_handle_loop_optimize): Test for
4482 -fprefetch-loop-arrays-rtl.
4483 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4484 * timevar.def (TV_TREE_PREFETCH): New timevar.
4485 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4486 pass_loop_prefetch): New.
4487 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4488 (cleanup_tree_cfg_loop): Call scev_reset.
4489 * common.opt (fprefetch-loop-arrays-rtl): Add.
4490 * tree-ssa-loop-prefetch.c: New file.
4491 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4492 (new_temp_expr_table): Initialize expr_vars.
4493 (free_temp_expr_table): Cleanup expr_vars.
4494 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4495 expressions from being merged into one.
4496 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4497 (struct tree_niter_desc): Add control, bound and cmp fields.
4498 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4500 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4501 (tree-cfgcleanup.o): Add SCEV_H dependency.
4502 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4503 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4505 2006-02-14 Richard Guenther <rguenther@suse.de>
4507 PR tree-optimization/26258
4508 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4509 in PHI argument processing.
4511 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4513 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4514 new expression in the requested machine mode.
4516 2006-02-13 Roger Sayle <roger@eyesopen.com>
4518 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4519 directly, instead let do_compare_rtx_and_jump handle this for us.
4520 * expr.c (expand_expr_real_1): Likewise.
4521 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4522 before do_jump_by_parts_greater.
4523 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4524 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4526 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4528 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4530 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4532 PR rtl-optimization/26235
4533 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4534 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4537 2006-02-13 Jeff Law <law@redhat.com>
4539 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4542 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4545 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4546 twice if decl is a builtin. When trying again, call get_callee_fndecl
4547 first to verify it is still a builtin.
4549 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4551 * dwarf2out.c (base_type_die): Don't add AT_name here.
4552 (subrange_type_die): Don't add AT_name here.
4553 (modified_type_die): Rearrange code flow. Do add AT_name here.
4555 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4557 PR rtl-optimization/26247
4558 PR rtl-optimization/26248
4559 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4561 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4563 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4564 * config/fixtfdi.c: Likewise.
4565 * config/fixunstfdi.c: Likewise.
4566 * config/floatditf.c: Likewise.
4568 2006-02-13 Roger Sayle <roger@eyesopen.com>
4571 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4572 into (X,C2) if C1 is a subset of the bits of C2. Transform
4573 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4575 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4577 2006-02-13 Josh Conner <jconner@apple.com>
4580 * varasm.c (function_section): Check for section name before
4581 calling select_section on targets that define
4582 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4583 unlikely_text_section instead of hot_function_section if
4584 first_function_block_is_cold.
4586 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4589 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4591 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4593 PR rtl-optimization/26222
4594 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4595 after tree->rtl expansion.
4596 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4597 before passing it to emit_move_insn.
4599 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4601 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4603 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4604 Clarify documentation.
4605 * c-common.h (warn_write_strings): Remove.
4606 * c-common.c (warn_write_strings): Likewise.
4607 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4610 2006-02-12 Roger Sayle <roger@eyesopen.com>
4613 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4614 (do_jump_parts_zero_rtx): New function renamed from
4615 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4616 (do_jump_parts_equality_rtx): New function split out from
4617 do_jump_parts_equality. Old implementation renamed as above.
4618 Call do_jump_parts_zero_rtx if either operand is zero.
4619 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4620 do all of the heavy lifting.
4621 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4622 calling either do_jump_by_parts_greater_rtx or
4623 do_jump_by_parts_equality_rtx.
4624 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4625 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4626 moved to do_compare_rtx_and_jump, call it directly.
4627 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4628 mode argument. Call do_compare_rtx_and_jump.
4629 (emit_case_nodes): Update calls to do_jump_if_equal.
4631 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4633 PR rtl-optimization/26225
4634 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4636 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4638 PR rtl-optimization/26232
4639 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4641 2006-02-11 Jason Merrill <jason@redhat.com>
4644 * tree-inline.c (declare_return_variable): Just don't use the
4645 modify target if it's a gimple complex reg and the return slot
4648 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4650 * doc/contrib.texi: Update my entry.
4652 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4654 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4656 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4658 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4661 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4663 * doc/invoke.texi (-floop-optimize2): Removed.
4664 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4665 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4666 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4667 * common.opt (floop-optimize2): Removed.
4668 (fmove-loop-invariants): Enabled by default.
4670 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4672 * tree-if-conv.c (combine_blocks): Free the result of
4673 get_loop_exit_edges.
4675 2006-02-10 Jeff Law <law@redhat.com>
4677 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4679 PR tree-optimization/26213
4680 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4681 loop trying to follow SSA_NAME_VALUE chains.
4683 2006-02-10 Richard Guenther <rguenther@suse.de>
4685 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
4686 deal with structures that end in implicitly variable sized arrays.
4688 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4690 PR rtl-optimization/24762
4691 * df-scan.c (df_bb_refs_record): Record correct registers defined on
4694 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4696 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4697 (struct ivopts_data): Add regs_used field.
4698 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
4699 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
4700 instead of loop_data->regs_used;
4701 (free_loop_data): Do not free aux fields for loops.
4702 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
4703 and tree_ssa_iv_optimize_finalize.
4705 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
4707 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
4709 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4712 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
4713 computing the effective result type.
4715 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4718 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4719 (tree_overlaps_hard_reg_set): Declare.
4720 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
4721 type and signature to match function type expected by walk_tree.
4722 (tree_overlaps_hard_reg_set): New function.
4723 (decl_conflicts_with_clobbers_p): Rename to:
4724 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
4725 Use tree_overlaps_hard_reg_set. Changed caller.
4726 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
4727 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
4728 * cris.c (cris_md_asm_clobbers): Likewise.
4730 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
4732 * reload1.c (emit_input_reload_insns): Delete code that tries to
4733 inherit using find_equiv_reg.
4735 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
4737 * c-common.h (flag_const_strings): Don't declare.
4738 * c-common.c (flag_const_strings): Remove.
4739 * c.opt (fconst_strings): Remove.
4740 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
4741 <OPT_Wwrite_strings>: Don't set flag_const_strings.
4742 (c_common_init_options): Don't set flag_const_strings.
4743 * doc/invoke.texi (-fno-const-strings): Remove documentation.
4745 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
4747 * arm.md (tlobits_cbranch): New pattern.
4748 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
4749 testing a single bit.
4751 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4754 * tree-ssa-pre.c (create_component_ref_by_pieces):
4755 Handle RETURN_DECL like VAR_DECL.
4757 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4760 * fold-const.c (fold_indirect_ref_1): Fold
4761 "*(foo *)&complexfoo" to "__real__ complexfoo"
4762 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
4764 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4766 * tree-flow-inline.h (var_can_have_subvars):
4767 Volatile variables should not have subvariables.
4769 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4772 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4773 multiplying unsigned values.
4776 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4778 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4780 2006-02-08 Jason Merrill <jason@redhat.com>
4783 * tree.def: Elaborate on difference from MODIFY_EXPR.
4784 * doc/c-tree.texi (INIT_EXPR): Likewise.
4785 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4786 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4787 (gimplify_target_expr): Likewise.
4788 (gimplify_cond_expr): Remove target handling.
4789 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4790 (gimplify_expr): Clobber it here.
4791 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4792 Do return slot optimization if we have an INIT_EXPR.
4795 * tree-inline.c (declare_return_variable): Also clear
4796 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4799 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4802 * gimplify.c (gimplify_one_sizepos): Fix typo.
4804 2006-02-08 Jeff Law <law@redhat.com>
4806 PR tree-optimization/21417
4807 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4808 across a backedge if the control statement at the end of the
4809 block is data dependent on other statements in the same block.
4810 (record_temporary_equivalences_from_stmts): Remove over-conservative
4811 test for threading across backedges.
4813 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4814 control statement, handle all three special cases in the same
4815 manner as they all have the same desired solution. No longer
4816 special case edge flag updating when the post dominator is
4819 2006-02-08 Roger Sayle <roger@eyesopen.com>
4821 * tree.def (CHAR_TYPE): Remove.
4822 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4823 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4824 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4825 (gen_string_type_die): Delete unreachable function.
4827 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
4828 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
4829 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
4830 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
4831 * builtins.c (type_to_class): Likewise.
4832 * fold-const.c (fold_convert, build_range_check,
4833 merge_ranges): Likewise.
4834 * expr.c (count_type_elements): Likewise.
4835 * c-pretty-print.c (pp_c_type_specifier): Likewise.
4836 * stor-layout.c (layout_type): Likewise.
4837 * ipa-type-escape.c (type_to_consider): Likewise.
4838 * gimplify.c (omp_firstprivatize_type_sizes,
4839 gimplify_type_sizes): Likewise.
4840 * explow.c (promote_mode): Likewise.
4841 * tree-sra.c (is_sra_scalar_type): Likewise.
4842 * varasm.c (output_constant): Likewise.
4843 * tree-inline.c (remap_type_1): Likewise.
4844 * convert.c (convert_to_pointer, convert_to_real,
4845 convert_to_integer, convert_to_complex): Likewise.
4847 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
4849 * df-scan.c (df_def_record_1): A set destination may
4850 be a parallel regardless of mode.
4852 2006-02-08 Roger Sayle <roger@eyesopen.com>
4855 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
4856 * config/mips/_tilib.c: Remove.
4857 * config/fixtfdi.c: New libgcc source file.
4858 * config/fixunstfdi.c: New source file.
4859 * config/floatditf.c: New source file.
4860 * config/floatunditf.c: New souce file.
4861 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4862 files above instead of config/mips/_tilib.c.
4863 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4865 2006-02-08 Jeff Law <law@redhat.com>
4867 PR tree-optimization/26169
4868 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
4871 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
4873 * df.h (DF_REG_SIZE): Return the length of the initialized
4876 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
4878 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
4879 __muldf3): Return a correctly signed zero.
4881 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
4883 * passes.c (register_one_dump_file): Accept the current properties
4884 instead of pass number. Adjust call to dump_register. Remove
4886 (register_dump_files): Now a wrapper around...
4887 (register_dump_files_1): ... this one. Do not modify the pass
4889 (next_pass_1): Cosmetic fix.
4890 (execute_todo): Keep second parameter only. Use curr_properties
4891 instead of fetching it from the pass structure. Check and set
4893 (execute_one_pass): Handle TODO_set_props. Use curr_properties
4894 instead of fetching it from the pass structure. Fix calls to
4895 execute_todo. Update curr_properties and initialize .vcg RTL dump
4896 after running the pass. Reset last_verified.
4897 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
4899 (FIRST_AUTO_NUMBERED_DUMP): New.
4900 (dump_register): Remove "num" parameter, assign it within the
4902 (get_dump_file_name): Modify template for dumps.
4903 * tree-dump.h (dump_register): Adjust prototype.
4904 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
4905 (PROP_trees): Add PROP_gimple_lomp.
4906 (TODO_set_props): New.
4907 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
4908 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
4909 * cfgexpand.c (pass_expand): Destroy PROP_trees.
4911 2006-02-08 Jakub Jelinek <jakub@redhat.com>
4913 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
4914 (sparc64-*-linux*): Likewise.
4915 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
4916 * config/sparc/t-linux: New file.
4917 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
4918 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
4919 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
4920 -m32 -mlong-double-128.
4922 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
4923 * config/alpha/t-linux: New file.
4924 * config/alpha/libgcc-alpha-ldbl.ver: New file.
4926 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
4927 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
4928 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
4929 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
4930 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
4931 (CPP_ARCH32_SPEC): Remove.
4933 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
4935 PR tree-optimization/26145
4936 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
4939 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4942 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
4943 >= 240000 when generating code for SOM runtime.
4944 (output_indirect_call): Don't use "b,l" instruction for indirect calls
4945 to $$dyncall when generating code for SOM runtime..
4947 2006-02-07 Dirk Mueller <dmueller@suse.com>
4950 * doc/invoke.texi (-Wsequence-point): Update documentation
4951 that -Wsequence-point is implemented for C++ as well.
4953 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4955 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
4956 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
4957 (LIB_SPEC): Likewise.
4958 * doc/invoke.texi (SPARC options): Document -pthread.
4960 2006-02-07 Geoffrey Keating <geoffk@apple.com>
4962 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
4965 2006-02-07 Roger Sayle <roger@eyesopen.com>
4967 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
4968 Correct comment describing BOOLEAN_TYPE.
4970 2006-02-07 Dirk Mueller <dmueller@suse.com>
4972 * c.opt: C++ frontend supports -Wdiv-by-zero.
4973 * c-opts.c (c_common_handle_option): Remove dead case.
4975 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4977 * configure.ac (TLS assembler check): Do not enable TLS by
4978 default on SPARC/Solaris before version 10.
4979 * configure: Regenerate.
4981 2006-02-07 David Edelsohn <edelsohn@gnu.org>
4983 * doc/invoke.texi (xl-compat): Document conversion and support
4986 2006-02-07 Jeff Law <law@redhat.com>
4988 * tree-vrp.c (find_conditional_asserts): Update comments.
4989 (simplify_stmt_for_jump_threading): New.
4990 (identify_jump_threads, finalize_jump_threads): New.
4991 (vrp_finalize): Call identify_jump_threads.
4992 (execute_vrp): Call finalize_jump_threads.
4993 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
4994 (vrp_element, vrp_data, vrp_element_p): Remove.
4995 (vrp_hash_elt, vrp_variables_stack): Remove.
4996 (vrp_hash, vrp_eq, record_range): Remove.
4997 (simplify_cond_and_lookup_avail_expr): Remove.
4998 (extract_range_from_cond): Remove.
4999 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5000 (simplify_stmt_for_jump_threading): New.
5001 (dom_thread_across_edge): New wrapper.
5002 (tree_ssa_dominator_optimize): No longer initialize or
5003 finalize any of the VRP datastructures. Remove iteration
5004 step and simplify as a result of removal of iteration step.
5005 (pass_dominator): Perform a cfg cleanup after DOM.
5006 (dom_opt_finalize_block): Use the new common routines
5007 for threading jumps. Simplify stack management slightly.
5008 No longer need to unwind VRP state.
5009 (record_equivalences_from_incoming_edge): No longer record
5011 (eliminate_redundant_computations): No longer call
5012 simplify_cond_and_lookup_avail_expr.
5013 * tree-flow.h (potentially_threadable_block): Prototype.
5014 (thread_across_edge): Likewise.
5015 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5016 (tree-ssa-threadedge.o): Add dependencies.
5017 * tree-ssa-threadedge.c: New file.
5018 * passes.c (init_optimization_passes): Merge PHIs before
5019 calling VRP. Run VRP again late in the SSA optimization pipeline.
5021 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5023 * df-core.c (df_set_blocks): Do not dereference function pointers.
5024 (df_finish1): Likewise.
5025 (df_hybrid_search_forward): Likewise.
5026 (df_hybrid_search_backward): Likewise.
5027 (df_iterative_dataflow): Likewise.
5028 (df_analyze_problem): Likewise.
5029 (df_compact_blocks): Likewise.
5030 (df_dump): Likewise.
5031 * df-scan.c (df_rescan_blocks): Likewise.
5032 (df_record_entry_block_defs): Likewise.
5034 * genconditions.c (write_conditions): Guard the definition of
5035 'insn_conditions' with the check on GCC version.
5036 (write_writer): Guard the traversal 'insn_conditions' with
5037 the check on GCC version.
5039 2006-02-07 Richard Guenther <rguenther@suse.de>
5043 2006-01-30 Richard Guenther <rguenther@suse.de>
5045 * gimplify.c (gimplify_target_expr): Handle easy cases
5046 without creating a temporary.
5048 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5050 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5051 use of float in probability computations. Use edge probabilities
5052 in place of statically computed probabilities.
5053 (min_spec_prob): New static variable.
5054 (schedule_insns): Initialize it.
5055 (GET_SRC_PROB): Removed.
5056 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5058 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5061 * config/ia64/unwind-ia64.c: Revert last change.
5062 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5063 (INCOMING_FRAME_SP_OFFSET): Define.
5065 2006-02-06 Roger Sayle <roger@eyesopen.com>
5067 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5069 2006-02-07 Ben Elliston <bje@au.ibm.com>
5071 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5072 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5073 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5074 (ix86_return_in_memory): Handle TDmode.
5075 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5076 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5078 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5080 * reorg.c (dbr_schedule): Use dump_file instead of file.
5082 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5085 * config/ia64/predicates.md (extr_len_operand): New predicate.
5086 * config/ia64/ia64.md (extv): Tighten constraints.
5088 (*tbit_and_2): Ditto.
5089 (*tbit_and_3): Ditto.
5090 (*tbit_or_2): Ditto.
5091 (*tbit_or_3): Ditto.
5095 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
5098 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
5100 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5102 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
5103 loop_optimizer_init and loop_optimizer_finalize
5104 * tree-ssa-sink.c (execute_sink_code): Ditto.
5105 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5106 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5107 tree_ssa_loop_done): Ditto.
5108 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5109 * sched-ebb.c: Include output.h.
5110 (schedule_ebbs): Do not use dump argument.
5111 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5112 * loop.c (loop_dump_stream): Removed.
5113 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5115 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5116 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5117 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5118 loop_iterations, strength_reduce, record_biv, record_giv,
5119 final_giv_value, check_final_value, check_ext_dependent_givs,
5120 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5121 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5122 dump_file instead of loop_dump_stream.
5123 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5125 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5127 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5128 * haifa-sched.c: Include output.h
5129 (schedule_insns, sched_init): Do not use dump argument.
5130 * mode-switching.c (optimize_mode_switching): Ditto.
5131 * modulo-sched.c (stats_file): Removed.
5132 (print_node_sched_params): Do not call argument dump_file.
5133 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5134 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5136 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5138 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5139 rtl_loop_init, rtl_loop_done): Ditto.
5140 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5141 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5143 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5144 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5145 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5146 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5147 * emit-rtl.c (renumber_insns): Ditto.
5148 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5149 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5150 * regclass.c (regclass): Ditto.
5151 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5152 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5153 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5154 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5156 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5157 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5159 * gcse.c (gcse_file, debug_stderr): Removed.
5160 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5161 rest_of_handle_gcse): Do not use dump argument.
5162 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5163 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5164 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5165 compute_code_hoist_vbeinout, compute_code_hoist_data,
5166 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5167 compute_store_table, build_store_vectors, insert_insn_start_bb,
5168 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5169 store_motion): Use dump_file instead of gcse_file.
5170 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5171 * profile.c (profile_dump_file): Removed.
5172 (branch_prob): Use dump_file instead of profile_dump_file.
5173 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5175 * tree-ssa-copy.c (dump_copy_of): Ditto.
5176 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5177 dump file to life_analysis.
5178 * bt-load.c (branch_target_load_optimize): Ditto.
5179 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5181 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5182 regclass, dbr_schedule): Declaration changed.
5183 * sched-int.h (sched_init): Declaration changed.
5184 * tree-profile.c (tree_profile_dump_file): Removed.
5185 (tree_profile_hooks): Removed profile_dump_file hook.
5186 * rtl-profile (rtl_profile_dump_file): Removed.
5187 (rtl_profile_hooks): emoved profile_dump_file hook.
5188 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5190 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5191 * tree-cfg.c (build_tree_cfg): Ditto.
5192 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5193 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5194 Declaration changed.
5195 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5196 life_analysis and schedule_insns.
5197 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5199 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5201 * config/mips/mips.c (mips_reorg): Ditto.
5202 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5205 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5207 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5208 (s390_mangle_fundamental_type): New.
5209 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5212 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5213 (alpha_mangle_fundamental_type): New.
5214 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5217 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5219 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5221 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5222 (sparc_mangle_fundamental_type): New.
5224 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5226 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5227 (s390x-*-linux*): Likewise.
5228 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5229 * config/s390/t-linux: New file.
5231 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5233 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5234 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5236 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5238 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5239 (ANTIC_SAFE_LOADS): New macro.
5240 (find_or_generate_expression): Add prototype.
5241 (set_contains_value): Allow null set for sake of not always having
5242 to allocate ANTIC_SAFE_LOADS.
5243 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5244 Allow COMPONENT_REF too.
5245 (valid_in_set): Allow COMPONENT_REF.
5246 Check ANTIC_SAFE_LOADS too.
5247 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5248 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5250 (can_PRE_operation): Add COMPONENT_REF.
5251 (create_component_ref_by_pieces): New function.
5252 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5253 (insert_aux): Move AGGREGATE_TYPE_P check here.
5254 (compute_avail): Set bb local stmt uids.
5255 (pass_pre): Use TODO_update_ssa_only_virtuals.
5257 2006-02-06 Ben Elliston <bje@au.ibm.com>
5259 * configure.ac: Unconditionally disable decimal float by default.
5260 * configure: Regenerate.
5262 2006-02-06 Ben Elliston <bje@au.ibm.com>
5264 * read-rtl.c (read_name): Terminate reading on EOF.
5266 2006-02-06 Ben Elliston <bje@au.ibm.com>
5268 * dfp.c (decimal_real_arithmetic): Change second argument type
5269 from int to enum tree_code. Do not always return true, but now
5270 return result of any call to decimal_do helper functions.
5271 * dfp.h (decimal_real_arithmetic): Update prototype.
5273 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5275 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5277 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5280 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5283 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5285 * tree-vrp.c (cfg_loops): Removed.
5286 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5287 Use current_loops instead of cfg_loops. Pass flags to
5288 loop_optimizer_init.
5289 * cfgloopmanip.c (fix_loop_structure): Update only available
5291 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5292 loop_optimizer_init.
5293 * modulo-sched.c (build_loops_structure): Removed.
5294 (sms_schedule): Use loop_optimizer_init.
5295 * loop-init.c (loop_optimizer_init): Use flags to determine
5296 which properties of loops to prepare.
5297 (rtl_loop_init): Pass flags to loop_optimizer_init.
5298 * tree-ssa-sink.c (execute_sink_code): Ditto.
5299 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5300 * tree-ssa-pre.c (init_pre): Ditto.
5301 * cfgloop.h (LOOPS_NORMAL): New.
5302 (loop_optimizer_init): Declaration changed.
5304 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5306 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5307 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5309 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5311 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5313 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5314 * pa/t-pa64: Delete quadlib.c rule.
5315 * pa/x-ada: Revert last change.
5316 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5318 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5320 PR rtl-optimization/26087
5321 * rtlanal.c (canonicalize_condition): Do not cross basic block
5324 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5327 * config/ia64/ia64.c: Include debug.h.
5328 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5329 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5330 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5331 (process_epilogue, process_set, process_for_unwind_directive):
5332 Output unwind info only if requested. Add CFA info if requested.
5333 Add new arguments as needed. Adjust callers.
5334 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5336 (DWARF2_FRAME_INFO): Define to zero.
5337 * config/ia64/unwind-ia64.c: Remove code that compensated for
5338 the CFA offset error fixed above.
5339 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5340 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5341 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5342 -funwind-tables and -fexceptions to enable frame info.
5343 (dwarf2out_frame_init): Define initial CFA even if
5344 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5345 DWARF2_UNWIND_INFO is nonzero, not just defined.
5346 (dwarf2out_frame_finish): Output non-EH call frame info only
5347 if DWARF2_FRAME_INFO is nonzero.
5348 (convert_cfa_to_loc_list,
5349 compute_frame_pointer_to_cfa_displacement): Define even if
5350 unwind info is not supported.
5351 (gen_subprogram_die): Use the above unconditionally. Remove
5352 legacy alternate code.
5353 * toplev.c (compile_file): Compile in call to
5354 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5355 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5357 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5358 Jakub Jelinek <jakub@redhat.com>
5360 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5361 IBM extended float format long double as "g" on powerpc*-linux.
5363 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5366 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5367 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5369 2006-02-03 Jason Merrill <jason@redhat.com>
5372 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5375 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5376 on the return slot if it's an NRV.
5378 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5380 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5381 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5382 rewrite_use): Do not handle USE_OUTER.
5383 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5384 add_iv_outer_candidates, may_replace_final_value,
5385 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5386 (find_interesting_uses_op): Functionality of
5387 find_interesting_uses_outer_or_nonlin moved here.
5388 (find_interesting_uses_outside): Use find_interesting_uses_op.
5390 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5393 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5395 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5396 Ulrich Weigand <uweigand@de.ibm.com>
5399 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5400 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5401 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5402 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5404 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5405 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5406 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5407 Define secondary reloads for TFmode moves.
5408 (constant_modes): Add TFmode.
5409 (NR_C_MODES): Set to 8.
5410 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5412 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5413 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5414 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5415 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5416 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5417 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5418 (FPR mode macro): Add TFmode.
5419 (DSF mode macro): New.
5420 (<de>, <dee> mode attributes): Removed.
5421 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5422 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5423 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5424 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5425 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5426 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5427 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5428 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5429 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5430 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5431 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5432 "*negabs<mode>2", "sqrt<mode>2"):
5433 Changed <de> to <xde>. R constraint replaced by <Rf>.
5434 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5436 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5437 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5438 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5440 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5441 "extenddftf2", "extendsftf2"): New expanders.
5442 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5443 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5444 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5445 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5447 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5448 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5449 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5450 __floatditf): Add a GCC_4.1.0 symbol version tag.
5451 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5454 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5457 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5458 Use targetm.binds_local_p instead of TREE_PUBLIC.
5460 2006-02-02 Roger Sayle <roger@eyesopen.com>
5462 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5463 on INTEGER_TYPEs to indicate that it denotes a character type.
5464 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5465 signed_char_type_node, unsigned_char_type_node and char_type_node.
5466 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5467 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5468 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5470 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5471 Daniel Berlin <dberlin@dberlin.org>
5473 * tree-tailcall.c (arg_needs_copy_p): New function.
5474 (eliminate_tail_call): Use arg_needs_copy_p.
5475 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5476 (add_virtual_phis): New function.
5478 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5480 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5481 #ignore instead of #scratch for %g7 .register directive.
5483 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5485 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5488 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5490 * flow.c (calculate_global_regs_live): Assert that there aren't any
5493 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5495 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5497 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5498 bsi_after_labels iterator.
5499 * tree-if-conv.c (find_phi_replacement_condition,
5500 replace_phi_with_cond_modify_expr): Likewise.
5501 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5502 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5504 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5506 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5508 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5511 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5512 array after growing it.
5514 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5517 * fold-const.c (fold_checksum_tree): Change type of buf.
5519 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5521 * reload.c (push_secondary_reload): Initialize t_icode.
5523 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5525 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5526 -msoft-float -mlong-double-128 only issue a warning, but don't
5527 swich to DFmode long double.
5529 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5531 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5532 has a constant equivalent, iterate over equivalents for arg0,
5533 calling simplify_relational_operation and if there's a result
5534 cheaper than X, apply fold_rtx and return the result.
5536 2006-02-01 Jan Hubicka <jh@suse.cz>
5538 * opts.c (no_unit_at_a_time_default): New global variable.
5539 (decode_options): Use it.
5540 * opts.h (no_unit_at_a_time_default): Declare.
5542 2006-02-01 Paul Brook <paul@codesourcery.com>
5544 * function.c (assign_parm_setup_reg): Use function argument promotion
5546 * expr.c (expand_expr_real_1): Use function argument promotion rules
5549 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5551 * gcc.c (process_command): Change j to 'unsigned int'.
5553 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5556 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5557 Use the corrected index for the character
5558 out of the string constant.
5560 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5562 * mode-switching.c (optimize_mode_switching): Fix size
5563 allocated for bb_info[n_entities].
5565 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5567 * gcc.c (main): Correct type that is allocated for
5568 explicit_link_files.
5570 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5572 * config/s390/s390.c (init_alignment_context): Set
5573 ALIAS_SET_MEMORY_BARRIER on the MEM.
5574 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5576 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5579 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5581 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5584 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5586 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5587 * regrename.c: Ditto.
5588 * tree-ssa-loop-im.c: Ditto.
5589 * tree-dump.c: Ditto.
5590 * tree-complex.c: Ditto.
5591 * genrecog.c: Ditto.
5592 * tree-ssa-threadupdate.c: Ditto.
5594 * java/class.c: Ditto.
5595 * java/jcf-parse.c: Ditto.
5596 * java/resource.c: Ditto.
5597 * java/except.c: Ditto.
5598 * java/jvspec.c: Ditto.
5599 * java/jcf-write.c: Ditto.
5600 * java/jcf-path.c: Ditto.
5601 * java/gjavah.c: Ditto.
5602 * java/zextract.c: Ditto.
5603 * java/jcf-io.c: Ditto.
5604 * java/jcf.h: Ditto.
5605 * java/buffer.c: Ditto.
5606 * java/lang.c: Ditto.
5607 * java/parse-scan.y: Ditto.
5608 * java/lex.c: Ditto.
5609 * java/lex.h: Ditto.
5610 * cfgloopmanip.c: Ditto.
5611 * postreload-gcse.c: Ditto.
5612 * tree-ssa-loop-manip.c: Ditto.
5613 * postreload.c: Ditto.
5614 * tree-ssa-loop-ch.c: Ditto.
5618 * diagnostic.c: Ditto.
5620 * genoutput.c: Ditto.
5622 * cfghooks.c: Ditto.
5623 * cfgloopanal.c: Ditto.
5624 * objc/objc-act.c: Ditto.
5626 * genextract.c: Ditto.
5627 * genautomata.c: Ditto.
5628 * pretty-print.c: Ditto.
5630 * cgraphunit.c: Ditto.
5633 * haifa-sched.c: Ditto.
5634 * dominance.c: Ditto.
5636 * tree-ssa-loop-ivopts.c: Ditto.
5638 * mode-switching.c: Ditto.
5639 * modulo-sched.c: Ditto.
5641 * ipa-pure-const.c: Ditto.
5643 * fix-header.c: Ditto.
5645 * tree-stdarg.c: Ditto.
5646 * ipa-utils.c: Ditto.
5647 * loop-init.c: Ditto.
5648 * ipa-inline.c: Ditto.
5651 * alloc-pool.c: Ditto.
5652 * dwarf2out.c: Ditto.
5654 * genattrtab.c: Ditto.
5655 * tree-ssa-loop-ivcanon.c: Ditto.
5659 * fortran/gfortranspec.c: Ditto.
5661 * local-alloc.c: Ditto.
5662 * langhooks.c: Ditto.
5663 * function.c: Ditto.
5664 * tree-vectorizer.c: Ditto.
5666 * ipa-type-escape.c: Ditto.
5668 * tree-if-conv.c: Ditto.
5671 * tree-data-ref.c: Ditto.
5672 * loop-unroll.c: Ditto.
5673 * treelang/treetree.c: Ditto.
5676 * ggc-common.c: Ditto.
5678 * coverage.c: Ditto.
5680 * tree-cfgcleanup.c: Ditto.
5681 * tree-ssa-pre.c: Ditto.
5682 * cfgcleanup.c: Ditto.
5683 * loop-invariant.c: Ditto.
5685 * ipa-prop.c: Ditto.
5686 * print-tree.c: Ditto.
5687 * conflict.c: Ditto.
5688 * ggc-page.c: Ditto.
5689 * sched-deps.c: Ditto.
5690 * regclass.c: Ditto.
5691 * tree-object-size.c: Ditto.
5693 * bb-reorder.c: Ditto.
5694 * resource.c: Ditto.
5695 * var-tracking.c: Ditto.
5697 * df-problems.c: Ditto.
5698 * reg-stack.c: Ditto.
5701 * sched-rgn.c: Ditto.
5702 * tree-ssa-structalias.c: Ditto.
5703 * tree-ssa-reassoc.c: Ditto.
5704 * config/darwin-c.c: Ditto.
5705 * config/darwin.c: Ditto.
5706 * config/arm/arm.c: Ditto.
5708 * collect2.c: Ditto.
5711 2006-01-31 Nicolas Pitre <nico@cam.org>
5713 * arm.md (smaxsi3): Make aware of smax_m1.
5716 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
5718 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5720 2006-01-31 Richard Guenther <rguenther@suse.de>
5722 * doc/invoke.texi (-msselibm): Document.
5723 * target.h (expand_library_builtin): New target hook.
5724 * builtins.c (expand_builtin): Use expand_library_builtin.
5725 (default_expand_library_builtin): New function.
5726 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5727 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5728 (link_gcc_math_spec): Declare.
5729 (static_specs): Add link_gcc_math_spec.
5730 * expr.h (default_expand_library_builtin): Declare.
5731 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5732 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5733 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5734 * config/i386/i386.opt (msselibm): New target option.
5735 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5736 (ix86_init_sse_abi_builtins): New function.
5737 (ix86_expand_library_builtin): Likewise.
5738 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5739 (override_options): Handle error conditions wrt -msselibm.
5740 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5741 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5742 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5745 2006-01-31 Richard Guenther <rguenther@suse.de>
5746 Paolo Bonzini <bonzini@gnu.org>
5748 * doc/install.texi (--disable-libgcc-math): Document.
5750 2006-01-30 Marcin Dalecki <martin@dalecki.de>
5752 * expr.h (expand_normal): new inline function.
5753 * builtins.c: use it, use EXPAND_NORMAL explicitely.
5755 * dwarf2out.c: use it.
5760 * config/sparc/sparc.c: use it.
5761 * config/i386/i386.c: use it.
5762 * config/rs6000/rs6000.c: use it.
5763 * config/arm/arm.c: use it.
5764 * config/mips/mips.c: use it.
5765 * stmt.c: use it, use EXPAND_NORMAL explicitely.
5767 2006-01-30 Roger Sayle <roger@eyesopen.com>
5769 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5770 argv to the appropriate type.
5772 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5774 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5777 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5780 * config/s390/s390.c (struct machine_function): New flag
5781 decomposed_literal_pool_addresses_ok_p.
5782 (s390_reorg): Set it before final stage of literal pool transforms.
5783 (s390_decompose_address): Only accept displacements of the form
5784 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5786 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5788 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5789 the comparison routine return.
5791 2006-01-30 Michael Matz <matz@suse.de>
5793 * global.c (find_reg): Only evict for global regs.
5794 Take n_refs into account and dump more info.
5796 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5799 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5800 (pragma_trap, pragma_nosave_low_regs): Likewise.
5801 (current_function_anonymous_args): Likewise.
5802 (sh_deferred_function_attributes): New variable.
5803 (sh_deferred_function_attributes_tail): Likewise.
5804 (print_operand): For '@', look up trap_exit attribute.
5805 (calc_live_regs): Look up trapa_handler attribute. For trapa
5806 handlers, save/restore fpscr, but don't do any other
5807 interrupt-specific saves.
5808 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5809 Fix check for partially saved registers to check for SHmedia.
5810 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5811 (sh_output_function_epilogue): Don't clear any of the removed
5813 (sh_insert_attributes): Don't check pragma_interrupt.
5814 Insert deferred attributes. Check that interrupt attribute is
5815 present for other attributes that require its presence.
5816 (sh_attribute_table): Add new attributes trapa_handler and
5818 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5819 Don't check for pragma_interrupt. Don't store argument.
5820 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5821 (sh_deferred_function_attributes): Declare.
5822 (sh_deferred_function_attributes_tail): Likewise.
5823 * sh.md (sp_switch_1): Add operand. Change generator caller.
5824 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5825 (*return_i): Don't use when trap_exit attribute is in effect.
5826 (*return_trapa): New insn pattern.
5828 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
5829 setting c_target_objs and cxx_target_objs.
5830 * t-sh: Add rule for sh-c.o.
5832 2006-01-30 Richard Guenther <rguenther@suse.de>
5835 * gimplify.c (gimplify_target_expr): Handle easy cases
5836 without creating a temporary.
5838 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
5840 * vec.h (safe_grow): Remove duplicated line.
5842 2006-01-29 Diego Novillo <dnovillo@redhat.com>
5845 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
5846 (expand_omp): ... here.
5847 (expand_omp_parallel): Only remove barriers for combined
5848 parallel+workshare constructs.
5850 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5854 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
5855 * tree.c (build_qualified_type): Chain the new type to the original
5856 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
5857 a POINTER_TYPE or a REFERENCE_TYPE respectively.
5858 (build_pointer_type_for_mode): Only return unqualified types.
5859 (build_reference_type_for_mode): Likewise.
5861 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
5863 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
5864 * Makefile.in (CXX_COMPAT_WARN): Define.
5865 * configure: Regenerate.
5867 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
5870 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
5873 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5875 * toplev.c: Fix thinko.
5877 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5878 Marcin Dalecki <martin@dalecki.de>
5880 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
5881 (push_srcloc): Use XNEW.
5882 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
5884 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5886 * df-core.c (df_set_blocks): Deleted all variable.
5888 2006-01-28 Ian Lance Taylor <ian@airs.com>
5890 * cgraphunit.c (cgraph_assemble_pending_functions): Call
5891 cgraph_output_pending_asms.
5893 2006-01-28 Zack Weinberg <zackw@panix.com>
5895 * c.opt: Add -W(no-)overlength-strings.
5896 * doc/invoke.texi: Document it.
5897 * c-opts.c (c_common_handle_option): -pedantic implies
5898 -Woverlength-strings, if not explicitly disabled already.
5899 (c_common_post_options): -Woverlength-strings defaults to off, and
5900 is always off for C++.
5901 * c-common.c (fix_string_type): Issue warning about strings longer
5902 than is portable only if warn_overlength_strings. Rearrange code
5903 a little for clarity.
5904 * configure.in: Check for -Wno-overlength-strings as well before
5905 enabling -pedantic in stage 1.
5906 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
5907 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
5909 * genconditions.c (write_header, write_one_condition)
5910 (write_conditions, write_writer): Consolidate very long strings
5911 that were broken up to fit in C89 portable limit. Don't use
5912 printf when fputs will do.
5914 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
5916 * combine.c (simplify_comparison <AND>): Check
5917 TRULY_NOOP_TRUNCATION before start using a subreg.
5919 * config/mips/mips.md (*branch_zero<mode>,
5920 *branch_zero<mode>_inverted, *branch_equality<mode>,
5921 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
5922 Remove mode check from comparisons.
5924 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
5926 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
5928 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5930 * expmed.c (const_mult_add_overflow_p): Remove.
5931 * expr.h: Remove the prototype for const_mult_add_overflow_p.
5933 * recog.c (validate_replace_rtx_subexp): Remove.
5934 * recog.h: Remove the prototype for
5935 validate_replace_rtx_subexp.
5937 * integrate.h: Remove the prototype for
5938 copy_decl_for_inlining.
5939 * rtl.h: Remove the prototype for mark_constant_function.
5940 * tree-vectorizer.h: Remove the prototype for
5941 vect_strip_conversion.
5943 * modulo-sched.c (create_partial_schedule,
5944 free_partial_schedule, reset_partial_schedule): Make them
5947 * hooks.c (hook_bool_rtx_int_false): Remove.
5948 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
5950 2006-01-28 David Edelsohn <edelsohn@gnu.org>
5952 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5953 and -mlong-double-128 are incompatible.
5954 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
5955 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
5956 (TARGET_LIBGCC2_CFLAGS): Define.
5957 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
5958 (TARGET_LIBGCC2_CFLAGS): Same.
5959 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
5961 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5964 * c-typeck.c (build_binary_op): Perform implicit casts of
5965 operands before shortening them.
5967 * cfgloopmanip.c (split_loop_bb): Remove.
5968 * cfgloop.h: Remove the prototype for split_loop_bb.
5970 * cfgloop.c (flow_loop_outside_edge_p): Remove.
5971 * cfgloop.h: Remove the prototype for
5972 flow_loop_outside_edge_p.
5974 * emit-rtl.c (init_virtual_regs): Make it static.
5975 * function.h: Remove the prototype for init_virtual_regs.
5977 * recog.c (peephole2_optimize): Make it static.
5978 * recog.h: Remove the prototype for peephole2_optimize.
5980 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5982 * df-scan.c (df_record_entry_block_defs): Check if
5983 INCOMING_RETURN_ADDR_RTX is defined.
5985 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
5986 Kenneth Zadeck <zadeck@naturalbridge.com>
5988 PR rtl-optimization/24762
5989 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5990 * targhooks.c (hook_void_bitmap): New hook prototype.
5991 * targhoohs.h (hook_void_bitmap): Ditto.
5992 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
5993 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
5994 * target.h (live_on_entry): New function pointer.
5995 * df-scan.c (df_all_hard_regs): Removed.
5996 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
5997 (df_scan_free_internal): Added df->entry_block_defs.
5998 (df_scan_alloc): Ditto.
5999 (df_scan_dump): Ditto.
6000 (df_uses_record): Plumbed flag field properly thru calls.
6001 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6002 This part fixes PR24762.
6003 (df_bb_refs_record): Added code to make the frame and arg
6004 pointers live in EH blocks.
6005 (df_refs_record): Added call to df_record_entry_block_defs.
6006 (df_record_entry_block_defs): New function.
6007 * df-core.c: Added comments to describe new artifical defs.
6008 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6009 (entry_block_defs): New field in struct df.
6010 (df_all_hard_regs): Deleted.
6011 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6012 * df-problems.c (df_ru_bb_local_compute_process_def):
6013 Added code to handle artifical defs in the entry to a function.
6014 (df_ru_bb_local_compute): Ditto.
6015 (df_rd_bb_local_compute_process_def): Ditto.
6016 (df_rd_bb_local_compute): Ditto.
6017 (df_lr_bb_local_compute): Ditto.
6018 (df_ur_bb_local_compute): Ditto.
6019 (df_urec_bb_local_compute): Ditto.
6020 (df_chain_create_bb): Ditto.
6021 (df_ur_local_finalize): Removed entry.
6022 (df_urec_init): Ditto.
6023 (df_urec_local_finalize): Ditto.
6024 (df_ri_bb_compute): Added detection of last use of pseudos.
6025 * Makefile.in (df-scan.o): Updated dependencies.
6026 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6027 * config/mips/mips.c (mips_set_live_on_entry): Added.
6028 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6030 * dce.c (marked_insn_p): Added code to handle artifical defs.
6032 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6034 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6036 (_mm_cvtsi128_si64): Likewise.
6037 (_mm_cvtsd_si64): Likewise.
6038 (_mm_cvttsd_si64): Likewise.
6039 (_mm_cvtsi64_sd): Likewise.
6040 (_mm_cvtsi64_si128): Likewise.
6041 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6042 (_mm_cvtsi64_m64): Likewise.
6043 (_m_to_int64): Likewise.
6044 (_mm_cvtm64_si64): Likewise.
6045 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6046 (_mm_cvttss_si64): Likewise.
6047 (_mm_cvtsi64_ss): Likewise.
6048 (_mm_cvtss_f32): Likewise.
6050 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6052 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6053 for pragma redefine_extname.
6055 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6058 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6059 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6060 -mno-minimal-toc to previous content.
6061 (bispecs): Remove goal.
6062 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6063 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6064 compatibility aliases on powerpc-*-*gnu*.
6065 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6066 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6067 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6068 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6069 (ldblspecs): New goal.
6070 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6071 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6073 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6074 L_sf_to_tf or L_df_to_tf is defined.
6076 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6077 Alan Modra <amodra@bigpond.net.au>
6080 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6081 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6082 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6083 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6084 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6085 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6086 (rs6000_override_options): Initialize rs6000_ieeequad.
6087 Initialize TFmode format to ibm_extended_format if not
6089 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6091 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6092 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
6093 (function_arg_advance): IBM long double passed in two FPRs, not
6095 (function_arg): IBM long double passed in FPRs.
6096 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
6097 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
6098 Only multireg GPR aligned.
6099 (rs6000_init_libfuncs): Enable IBM long double functions if not
6101 (rs6000_generate_compare): Use IBM long double compare if not
6103 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6104 (TARGET_IEEEQUAD): Define.
6105 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6106 not TARGET_IEEEQUAD.
6107 * config/rs6000/rs6000.md: Enable TFmode patterns if
6109 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6110 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6111 and -mlong-double-128 are incompatible.
6112 * doc/invoke.texi (-mabi): Collect options together. Add
6113 ibmlongdouble and ieeelongdouble.
6115 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6117 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6119 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6120 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6121 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6122 * rtl.h (rtunion_def): Remove rt_ptr.
6124 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6125 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6126 * config/i386/winnt.c (i386_pe_mark_dllexport)
6127 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6129 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6131 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6133 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6137 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6138 pthread_key_delete. From John David Anglin. gthrw-ify
6139 pthread_getunique_np only if it it's not a macro. Delete
6141 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6142 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6143 __gthread_objc_condition_signal, __gthread_key_delete): Add
6144 "__attribute__ ((__unused__))" to unused arguments.
6145 (__gthread_recursive_mutex_init_function): Add missing return.
6146 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6147 gthr-posix95.h: Use macro-based approach for name redirection
6148 on targets missing weakref.
6150 2006-01-26 Zack Weinberg <zackw@panix.com>
6152 * genconditions.c (write_header): In generated code, #ifdef out
6153 all includes and fake declarations, except includes of bconfig.h
6154 and system.h, unless GCC_VERSION >= 3001. Do not include
6155 gensupport.h in any case.
6156 (write_conditions): Generate a definition of struct c_test. Add
6157 a comment to the generated #endif.
6158 (write_one_condition): Escape backslashes in string too.
6159 (write_writer): Generated code must escape backslashes and quote
6160 marks (but not newlines) in the strings it writes.
6161 * Makefile.in (build/gencondmd.o): Update dependencies.
6163 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6166 * Makefile.in (insn-automata.o): Add header file dependencies.
6167 * genautomata.c: Add includes.
6169 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6172 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6174 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6176 * configure.ac: Expect target tools paths to be passed from the toplevel
6177 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6179 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6181 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6184 * c.opt (Wpointer-sign): Init to -1.
6185 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6186 OPT_pedantic, to 0 otherwise.
6187 * doc/invoke.texi: Update.
6189 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6191 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6192 constants provided by 80387 instructions in the destination mode.
6194 2006-01-26 Richard Guenther <rguenther@suse.de>
6195 Andrew Pinski <pinskia@physics.uc.edu>
6198 partial PR tree-opt/17064
6199 * tree-ssa-structalias.c (intra_create_variable_infos):
6200 Create heap variables for incoming parameters if
6201 flag_argument_noalias > 1.
6202 (find_what_p_points_to): Look through default defs of
6205 2006-01-26 Jeff Law <law@redhat.com>
6208 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6209 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6210 within the VR_RANGE, use the VR_RANGE as the result, not the
6212 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6213 bounds for the type.
6215 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6217 * tree-ssa-alias.c (maybe_create_global_var): Change
6218 subvar walking to an assertion that we don't have subvar'd variables.
6220 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6223 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6224 Use a new variable, inner. PARM_DECLs are always non-weak.
6226 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6228 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6231 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6233 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6235 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6237 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6238 (smax_insn, smin_insn, smax_0, smin_0): New.
6240 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6243 * config/cris/cris.c (cris_order_for_addsi3): New function.
6244 * config/cris/cris-protos.h: Prototype it.
6245 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6246 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6247 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6248 (split for "op.S1 [rx=rx+i],ry (swapped)")
6249 (split for "op(s|u).S1 [rx=rx+i],ry")
6250 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6251 Apply cris_order_for_addsi3 when generating addsi3 insns.
6253 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6255 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6256 (TREE_BLOCK): Add call to EXPR_CHECK.
6258 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6261 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6262 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6263 (dump_omp_clauses): ... here.
6264 (dump_generic_node): Handle OMP_CLAUSE.
6265 * tree.c (omp_clause_num_ops): New.
6266 (omp_clause_code_name): New.
6267 (tree_code_size): Handle OMP_CLAUSE.
6268 (tree_size): Likewise.
6269 (make_node): Document handling of OMP_CLAUSE.
6270 (tree_node_structure): Handle OMP_CLAUSE.
6271 (omp_clause_check_failed): New.
6272 (omp_clause_range_check_failed): New.
6273 (omp_clause_operand_check_failed): New.
6274 (build_omp_clause): New.
6275 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6276 * tree.h (enum omp_clause_code): Declare.
6277 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6278 (OMP_CLAUSE_RANGE_CHECK): Define.
6279 (OMP_CLAUSE_ELT_CHECK): Define.
6280 (omp_clause_check_failed): Declare.
6281 (omp_clause_operand_check_failed): Declare.
6282 (omp_clause_range_check_failed): Declare.
6283 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6284 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6285 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6286 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6287 (OMP_CLAUSE_IF_EXPR): Likewise.
6288 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6289 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6290 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6291 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6292 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6293 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6294 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6295 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6296 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6297 (OMP_CLAUSE_CODE): Define.
6298 (OMP_CLAUSE_SET_CODE): Define.
6299 (OMP_CLAUSE_CODE): Define.
6300 (OMP_CLAUSE_OPERAND): Define.
6301 (struct tree_omp_clause): Declare.
6302 (union tree_node): Add field 'omp_clause'.
6303 * treestruct.def (TS_OMP_CLAUSE): Define.
6304 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6305 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6306 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6307 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6308 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6309 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6310 (OMP_CLAUSE): Define.
6311 * print-tree.c (print_node): Handle OMP_CLAUSE.
6312 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6313 * c-typeck.c: Likewise.
6314 * gimplify.c: Likewise.
6315 * c-omp.c: Likewise.
6316 * tree-nested.c: Likewise.
6317 * tree-inline.c: Likewise.
6318 * c-parser.c: Likewise.
6319 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6322 2006-01-25 Roger Sayle <roger@eyesopen.com>
6324 PR rtl-optimization/25703
6325 * combine.c (try_combine): Handle zero_extract and strict_low_part
6326 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6328 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6330 * global.c: Fix comment typos.
6332 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6335 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6336 Use output_addr_const instead of assemble_name.
6338 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6340 * Makefile.in (sched-vis.o): Update dependencies.
6341 * haifa-sched.c (sched_finish): Clear current_sched_info.
6342 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6343 (dump_flow_info): Call it.
6344 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6346 * basic-block.h (dump_bb_info): Declare.
6347 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6348 option, and apply options only for dump files whose TDF_RTL,
6349 TDF_TREE, or TDF_IPA bits match.
6350 * rtl.h: Declare new functions exported from sched-vis.c.
6351 * sched-vis.c: Enable also if scheduling is not used.
6352 (print_value): Print the mode of registers if not inside scheduling.
6353 (print_insn): Make it work outside the scheduler. Beautify the output
6355 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6357 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6359 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6360 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6361 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6362 depending on the value of CONSTANT_POOL_ADDRESS_P.
6363 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6365 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6366 rather than SYMBOL_REF_DECL.
6367 (rtx_constant_pool): Remove const_rtx_sym_htab.
6368 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6369 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6370 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6371 Remove handling of const_rtx_sym_htab.
6372 (find_pool_constant): Delete.
6373 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6374 rather than find_pool_constant.
6375 (get_pool_constant_for_function): Delete.
6376 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6378 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6379 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6380 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6381 (SYMBOL_REF_CONSTANT): New macro.
6382 (get_pool_constant_for_function): Delete.
6383 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6384 rather than SYMBOL_REF_DECL.
6385 (i386_pe_mark_dllimport): Likewise.
6386 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6387 rather than SYMBOL_REF_DECL.
6388 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6389 (machopic_indirect_call_target): Likewise.
6391 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6393 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6395 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6397 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6399 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6401 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6403 2006-01-24 David Daney <ddaney@avtrex.com>
6406 * configure.ac (enable_tls): New enable option.
6407 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6408 * configure: Regenerate.
6409 * doc/install.texi (--enable-tls): Document new option.
6410 (--disable-tls): Ditto.
6412 2006-01-24 Richard Henderson <rth@redehat.com>
6414 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6415 * alias.c (true_dependence): Respect it.
6416 (canon_true_dependence, write_dependence_p): Likewise.
6417 * builtins.c (get_builtin_sync_mem): Set it.
6419 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6421 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6424 2006-01-24 DJ Delorie <dj@redhat.com>
6426 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6427 for storing constants in single-bit bitfields.
6429 2006-01-25 Ben Elliston <bje@au.ibm.com>
6431 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6433 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6436 * tree-ssa-pre.c (phi_translate): Return NULL
6437 for AGGREGATE_TYPE's.
6439 2006-01-24 Zack Weinberg <zackw@panix.com>
6441 * genautomata.c (process_state_for_insn_equiv_partition):
6442 Use xcalloc for insn_arcs_array.
6443 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6444 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6446 2006-01-24 Richard Henderson <rth@redhat.com>
6448 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6451 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6453 PR rtl-optimization/25890
6454 PR rtl-optimization/25905
6455 * combine.c (expand_compound_operation, expand_field_assignment):
6456 Fail if the bitfield's final position is out of bounds.
6458 2006-01-24 Ian Lance Taylor <ian@airs.com>
6461 * cgraphunit.c (cgraph_output_in_order): Don't clear
6462 cgraph_asm_nodes until after asm strings have been output.
6464 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6466 * fix-header.c (read_scan_file): Add new parameter imultilib when
6467 calling register_include_chains.
6469 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6471 * omp-low.c: Update documentation.
6473 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6474 Daniel Berlin <dberlin@dberlin.org>
6478 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6479 return from the function.
6481 2006-01-22 Zack Weinberg <zackw@panix.com>
6483 * rtl.def (match_code): Add second argument.
6484 * genpreds.c (write_extract_subexp): New function.
6485 (write_match_code): Add path argument. Use write_extract_subexp.
6486 (write_predicate_expr): Pass path to write_match_code.
6487 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6488 not perform a mode test.
6489 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6490 a subexpression does not constrain the top-level code set.
6491 * read-rtl.c (read_rtx_variadic): New function.
6492 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6493 * doc/md.texi: Document new notation.
6494 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6495 (cmpsi_operand): ... here, using new notation.
6497 2006-01-22 Zack Weinberg <zackw@panix.com>
6499 * varray.c: Remove GENERATOR_FILE #ifdefs.
6501 2006-01-22 Zack Weinberg <zackw@panix.com>
6503 * genautomata.c (output_reserved_units_table): Emit nothing if
6504 description->query_units_num is zero. Remove extra blank line.
6505 (output_cpu_unit_reservation_p): Short circuit
6506 if description->query_units_num is zero.
6508 2006-01-22 Zack Weinberg <zackw@panix.com>
6510 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6511 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6512 nor any of the random handful of variables that used to be necessary
6513 when this program was linked with rtlanal.o. Prune set of forward
6514 function declarations.
6515 (struct attr_desc): Remove static_p field.
6516 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6517 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6518 (attr_string): Do not read the character one past the length of
6520 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6521 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6522 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6523 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6524 (make_automaton_attrs): New.
6525 (main): Do not call into genautomata. Call local gen_bypass
6526 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6527 Remove special case for insn_alts.
6528 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6529 varray.h (leftover from previous change). Prune set of forward
6530 function declarations. Remove state_alts fields from all
6531 structures. Remove state_alts_table from struct automaton.
6532 Make everything except main static. Do not maintain num_dfa_decls.
6533 Do not maintain state_alts fields of various structures.
6534 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6535 (add_arc): Remove state_alts argument. All callers updated.
6536 (output_reserved_units_table): Emit #ifdef here...
6537 (output_tables): ...not here. Don't generate state_alts tables.
6538 (expand_automata): Don't generate attributes.
6539 (write_automata): Don't generate state_alts functions.
6540 (main): New function.
6541 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6542 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6543 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6544 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6545 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6546 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6547 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6548 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6550 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6551 * genattrtab.h: Delete file.
6552 * Makefile.in (OBJS-common): Add insn-automata.o.
6553 (insn-automata.o): New rule.
6554 (simple_generated_c): Add insn-automata.c.
6555 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6556 (genprogmd): Add automata.
6557 (build/genattrtab): Needs no extra objects nor libraries.
6558 (build/genautomata): Needs build/vec.o and -lm.
6560 2006-01-22 Zack Weinberg <zackw@panix.com>
6562 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6563 (output_dfa_max_issue_rate, locked_states_num): Delete.
6564 (struct automaton): Add locked_states field.
6565 (output_dead_lock_vect): Save number of locked states in
6566 automaton->locked_states. If it is zero, don't print anything.
6567 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6568 (output_internal_dead_lock_func): Only test the dead_lock_vect
6569 for automata that have locked states.
6570 (output_statistics): Always print the number of locked states for
6571 each automaton. Calculate total number of locked states here.
6572 (write_automata): Don't call output_dfa_max_issue_rate.
6573 * genattrtab.c: Define length_unit_log as a const variable.
6574 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6575 max_insn_queue_index const.
6576 * final.c (length_unit_log): Declare const.
6577 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6579 2006-01-22 Zack Weinberg <zackw@panix.com>
6581 * genautomata.c: Include vec.h, not varray.h.
6582 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6583 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6584 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6585 VEC_* macros operating on appropriately typed vectors, or to
6586 malloced arrays when the size is known in advance. Const-ify
6587 many char* variables and function arguments. No functional changes.
6588 * Makefile.in (build/varray.o): Delete rule.
6589 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6590 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6592 2006-01-22 Zack Weinberg <zackw@panix.com>
6594 * gensupport.c: Define get_insn_name and record_insn_name here.
6595 (read_md_rtx): Call record_insn_name as appropriate.
6596 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6597 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6598 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6600 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6601 (BUILD_VARRAY): Delete.
6602 (genprognormal): Rename genprogmd. Fold in all programs from
6603 genprognoprint; also attrtab.
6604 (build/genattrtab): Just mention genautomata.o and varray.o.
6605 Reorganize a bit, add comments to make the categories clearer.
6607 2006-01-22 Zack Weinberg <zackw@panix.com>
6609 * genconditions.c (condition_table, add_condition): Delete.
6610 (write_conditions): Don't emit n_insn_conditions nor
6611 insn_elision_unavailable. Issue the gcc version #ifdef here,
6612 inside the table, with no #else clause ...
6613 (write_header): ...not here.
6614 (write_writer): New function.
6615 (main): Don't initialize condition_table. Use add_c_test.
6617 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6618 files on the command line.
6619 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6620 Return -1 if there is no entry in the table, don't abort.
6621 (add_c_test, traverse_c_tests): New functions.
6622 * gensupport.h (insn_elision_unavailable, insn_conditions)
6623 (n_insn_conditions): Delete declarations.
6624 (add_c_test, traverse_c_tests): Declare.
6625 * read-rtl.c: Include gensupport.h.
6626 (read_conditions): New function.
6627 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6628 (read_rtx_1): If we get EOF when we were looking for an initial
6629 open paren, return 0. Call read_conditions when appropriate.
6630 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6631 dummy-conditions.o. Eliminate references to insn-conditions.o,
6632 or change them to build/gencondmd.o, as appropriate. Remove
6633 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6634 from $(simple_generated_c). For all files remaining in those
6635 two lists, add insn-conditions.md to the generator command line.
6636 Give insn-constants.h/s-constants their own rules. Add rules
6637 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6638 (build/read-rtl.o): Depend on gensupport.h.
6639 (genprognormal): Include preds.
6640 (genprogearly): Rename genprognoprint; only difference is now that
6641 they don't link with $(BUILD_PRINT).
6642 * dummy-conditions.c: Delete.
6644 2006-01-22 Zack Weinberg <zackw@panix.com>
6646 * genextract.c: Don't include insn-config.h. Do include vec.h.
6647 Declare vectors of int, char, and locstr.
6648 (locstr): New typedef.
6649 (struct extraction): Make all array fields into bare pointers.
6650 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6651 (insn_code_number): Delete.
6652 (accum_extract): New struct.
6653 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6654 (gen_insn): Take insn_code_number as an argument. Use an
6655 accum_extract structure instead of loading data directly into
6656 a struct extraction, and having to know how big it might get.
6657 (walk_rtx): Operate entirely on an accum_extract structure.
6658 (print_path): Avoid unnecessary use of printf.
6659 (print_header): New function, split out of main. Distinguish
6660 more carefully between an unrecognizable insn and an insn that
6661 has the code number of a define_expand.
6662 (main): Pass insn_code_number to gen_insn. Call print_header
6663 only after parsing. Avoid unnecessary use of printf.
6664 * Makefile.in (build/vec.o): New rule.
6665 (build/genextract): Depend on build/vec.o.
6666 (build/genextract.o): Don't depend on insn-config.h.
6668 2006-01-22 Zack Weinberg <zackw@panix.com>
6670 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6671 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6672 practical. Eliminate per-generator-program link rules.
6674 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6677 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6678 with a call expr to ...
6679 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6681 2006-01-23 Richard Guenther <rguenther@suse.de>
6683 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6684 before make_edge with conditional EDGE_TRUE_VALUE.
6686 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
6687 Jan Hubicka <jh@suse.cz>
6688 Richard Guenther <rguenther@suse.de>
6690 PR rtl-optimization/25654
6691 * cfgexpand.c (aggregate_contains_union_type): New function.
6692 (add_alias_set_conflicts): Call it. Make sure to add conflicts
6693 for structure variables that contain a union type.
6695 2006-01-23 Richard Sandiford <richard@codesourcery.com>
6697 * gengtype.c (new_structure): Return the structure.
6698 (create_option): Add an extra "next" argument.
6699 (create_field): New function.
6700 (adjust_field_rtx_def): Use create_option and create_field.
6701 Remove a now-unnecessary call to find_structure.
6702 (adjust_field_tree_def): Likewise.
6703 (note_yacc_type): Remove an unnecessary call to find_structure.
6704 * gengtype.h (new_structure): Return the structure.
6705 (create_option): Add an extra argument.
6706 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
6707 (option): Adjust calls to create_option.
6709 2006-01-22 David Edelsohn <edelsohn@gnu.org>
6711 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
6713 2006-01-22 Paul Brook <paul@codesourcery.com>
6714 Peter Barada <peter@the-baradas.com>
6716 * config/m68k/m68k.md: Add Coldfire FPU support.
6717 Define FP mode macro and associated attributes.
6718 Use it for float mode patterns.
6719 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6720 (LIBCALL_VALUE): Use m68k_libcall_value.
6721 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
6722 (m68k_function_value): Ditto.
6723 (emit_move_sequence): Ditto.
6724 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
6725 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
6726 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
6727 (MULTILIB_EXCEPTIONS): Ditto.
6728 * config/m68k/m68k.opt: Add mcfv4e.
6729 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
6730 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
6731 (m68k_output_function_prologue): Save ColdFire FPU registers.
6732 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
6733 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
6734 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
6735 ColdFire FPU registers.
6736 (m68k_libcall_value, m68k_function_value): New functions.
6737 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
6738 (LIBCALL_VALUE): Use m68k_libcall_value.
6739 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
6740 (MASK_COLDFIRE): Add MASK_CFV4E.
6741 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
6742 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
6743 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
6744 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
6745 (GO_IF_LEGITIMATE_ADDRESS): Use it.
6746 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
6747 * doc/invoke.tex: Document -mcfv4e on m68k.
6749 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6751 * doc/contribute.texi: Change CVS to SVN and update the corresponding
6754 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
6757 * c-opts.c (c_common_handle_option): Don't include
6758 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
6759 * doc/invoke.texi (C++ Dialect Options): Document that
6760 -Wnon-virtual-dtor is no longer included in -Wall.
6762 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
6764 * gcov.c (print_version), gcov-dump.c (print_version),
6765 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6768 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6770 * df-scan.c (problem_SCAN): Added NULL reset function.
6771 (df_scan_reset_blocks): Added code to call reset block function
6772 (df_bb_refs_delete) Fixed comment.
6773 (df_insn_refs_delete): Made tolerant of deleting non existent info
6774 for dataflow problems that need to be reset.
6775 * df-core.c (df_set_blocks): Ditto.
6776 * df.h (struct df_problem): Added reset_fun.
6777 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6778 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6779 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6780 functions to clear out all references to def-use or use-def chains.
6782 2006-01-21 Ben Elliston <bje@au.ibm.com>
6784 * varasm.c (assemble_real): Initialise data array.
6786 2006-01-20 Paul Brook <paul@codesourcery.com>
6788 Merge from csl-arm-branch.
6789 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6790 * config/arm/arm.md (movdi): Force operands[1] to a register
6791 if we have a non-register source.
6792 (*arm_movdi, *movdf_soft_insn): Require that one of the
6793 operands be a register.
6794 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6795 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6797 2006-01-20 DJ Delorie <dj@redhat.com>
6799 * varasm.c (initialize_constant_valid_p): Allow pointers
6800 initialized from integer constants of lesser precision.
6801 (output_constant): Allow non-int-sized pointer modes to be
6802 initialized from integer constants.
6804 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6807 * cppdefault.h (struct default_include): Add multilib flag.
6808 * cppdefault.c (cpp_include_defaults): Set it.
6809 * c.opt (-imultilib): New option.
6810 * c-opts.c (imultilib): New.
6811 (c_common_handle_option): Handle -imultilib.
6812 (c_common_post_options): Likewise.
6813 * c-incpath.c (add_standard_paths, register_include_chains):
6815 * c-incpath.h (register_include_chains): Add extra parameter.
6816 * gcc.c (do_spec_1): Generate -imultilib option.
6817 (The Specs Language): Update %I description.
6818 (process_command): Update copyright notice.
6819 * doc/cppopts.texi (-imultilib): Document.
6820 * doc/invoke.texi (-imultilib): Include in option summary.
6821 (%I): Update specs documentation.
6823 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6825 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6827 2006-01-20 Richard Sandiford <richard@codesourcery.com>
6829 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6832 2006-01-20 Richard Guenther <rguenther@suse.de>
6833 Steven Bosscher <stevenb.gcc@gmail.com>
6835 PR rtl-optimization/24626
6836 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
6837 EDGE_TRUE_VALUE if in RTL mode.
6840 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
6841 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
6843 2006-01-20 Dirk Mueller <dmueller@suse.com>
6846 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
6847 instead of a special NOP marker.
6848 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
6849 NOP marker handling.
6850 * c-common.h (empty_body_warning): Add forward declaration.
6851 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
6852 Now uses IS_EMPTY_STMT() instead of special NOP markers.
6854 2006-01-20 Paul Brook <paul@codesourcery.com>
6856 * Makefile.in (lang_checks): Keep going if mkdir fails.
6858 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6860 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
6861 be able to clean out basic block when not necessary.
6862 (df_scan_free): Fixed to properly delete information if df is
6863 unused before calling df_finish.
6864 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
6865 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
6867 (df_bb_refs_delete): New function.
6868 (df_refs_delete): Moved per block code to df_bb_refs_delete.
6869 * df-core.c (df_set_blocks): Added code to properly clean out
6870 unused blocks if they are not part of the blocks to consider.
6871 Added additional null check.
6872 (df_compact_blocks): Added basic block parameter to free_bb_fun to
6873 be able to clean out basic block when not necessary
6874 * df.h (df_free_bb_function): Ditto.
6875 (df_bb_refs_delete): New function.
6876 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
6877 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
6878 basic block parameter to be able to clean out basic block when not
6880 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
6881 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
6882 Fixed to properly delete information if df is unused before
6885 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6887 PR rtl-optimization/25799
6888 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
6889 Corrected confluence operator to remove bits from op2 before oring
6890 with op1 rather than removing bits from op1.
6891 (df_ru_transfer_function): Corrected test on wrong bitmap which
6892 caused infinite loop. Both of these problems were introduced in
6893 the dataflow rewrite.
6895 2006-01-19 DJ Delorie <dj@redhat.com>
6897 * reload1.c (find_reload_regs): Note the details of reload
6898 failures in the dump file.
6899 (spill_failure): Likewise.
6901 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6903 * loop-iv.c: Include df.h and hashtab.h.
6904 (enum iv_grd_result): New enum.
6905 (DF_REF_IV, DF_REF_IV_SET): New macros.
6906 (struct biv_entry): New.
6907 (df, bivs): New global variables.
6908 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
6909 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
6911 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
6912 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
6913 analyzed_for_bivness_p, record_biv): New functions.
6914 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
6915 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
6916 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
6918 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
6920 (iv_number_of_iterations): Use new interface to iv analysis.
6921 * loop-unroll.c: Do not include varray.h.
6922 (analyze_iv_to_split_insn): Use new interface to iv
6924 * loop-unswitch.c (may_unswitch_on): Ditto.
6925 * df.c (df_bitmaps_free): Only work for bbs for that structures are
6927 (df_bb_modify): Realloc tables to the new index.
6928 (df_find_use): New function.
6929 * df.h (df_find_use): Declare.
6930 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
6932 * cfgloop.h (struct rtx_iv): Remove analysed field.
6933 (iv_get_reaching_def): Removed.
6934 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
6935 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
6936 (loop-iv.o): Add df.h and hashtab.h dependency.
6937 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
6939 2006-01-20 Alan Modra <amodra@bigpond.net.au>
6942 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
6944 (__floatundisf, __floatundidf): Likewise.
6945 * libgcc2.h (IS_IBM_EXTENDED): Define.
6947 2006-01-19 DJ Delorie <dj@redhat.com>
6949 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
6951 2006-01-19 Paul Brook <paul@codesourcery.com>
6953 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
6954 as nothrow when unwinding tables are disabled.
6956 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6959 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
6960 of bit-field" when in system header.
6962 2006-01-19 DJ Delorie <dj@redhat.com>
6964 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
6965 the 16 bit shift limit of the m16c.
6967 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
6970 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
6971 * config/i386/i386.c (output_set_got): Output the label if we have one
6972 for the TARGET_DEEP_BRANCH_PREDICTION case.
6974 2006-01-19 Jan Hubicka <jh@suse.cz>
6975 H.J. Lu <hongjiu.lu@intel.com>
6976 Evandro Menezes <evandro.menezes@amd.com>
6978 * invoke.texi (generic): Document
6980 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
6981 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
6982 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
6983 (x86_use_incdec, x86_pad_returns): New variables
6984 (TARGET_CPU_DEFAULT_generic): New constant
6985 (TARGET_CPU_DEFAULT_NAMES): Add generic.
6986 (enum processor_type): Add generic32 and generic64.
6987 * i386.md (cpu attribute): Add generic32/generic64
6988 (movhi splitter): Behave sanely when both partial_reg_dependency and
6989 partial_reg_stall are set.
6990 (K8 splitters): Enable for generic as well.
6991 * predicates.md (incdec_operand): Use TARGET_INCDEC
6992 (aligned_operand): Avoid memory mismatch stalls.
6993 * athlon.md: Enable for generic64, new patterns for 128bit moves.
6994 * ppro.md: Enable for generic32
6995 * i386.c (generic64_cost, generic32_cost): New.
6996 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
6997 (x86_use_leave): Enable for generic64. (x86_use_sahf,
6998 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
6999 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7000 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7001 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7002 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7003 x86_accumulate_outgoing_args, x86_prologue_using_move,
7004 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7005 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7007 (x86_use_incdec, x86_pad_returns): New.
7008 (override_options): Add generic32 and generic64, translate "generic"
7009 to generic32/generic64 and "i686" to "generic32", refuse
7010 "generic32"/"generic64" as arch target.
7011 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7012 (ix86_reorg): Honor PAD_RETURNS.
7014 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7016 * tree-pretty-print.c (dump_generic_node): Handle
7017 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7018 * cgraph.c (cgraph_expand_queue): Rename from
7019 cgraph_analyze_queue. Update all users.
7020 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7021 cgraph_expand_queue.
7022 (cgraph_expand_all_functions): Likewise.
7023 (cgraph_finalize_pending_functions): Remove. Update callers.
7025 * tree.h (OMP_DIRECTIVE_P): Define.
7026 (OMP_PARALLEL_FN): Define.
7027 (OMP_PARALLEL_DATA_ARG): Define.
7028 (OMP_SECTIONS_SECTIONS): Define.
7029 * tree-pass.h (pass_expand_omp): Declare.
7030 * omp-low.c (struct omp_region): Declare.
7031 (struct omp_context): Remove fields 'parallel_type',
7032 'parallel_start_ix' and 'parallel_start_additional_args'.
7034 (struct omp_for_data): Rename from struct expand_omp_for_data.
7035 (omp_regions): New static variable.
7036 (root_omp_region): New static variable.
7037 (find_omp_clause): Make static.
7038 (is_in_combined_parallel_ctx): Remove.
7039 (is_combined_parallel): New.
7040 (extract_omp_for_data): Move earlier in the file.
7041 (workshare_safe_to_combine_p): New.
7042 (get_ws_args_for): New.
7043 (determine_parallel_type): Move earlier in the file.
7044 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7046 (omp_copy_decl): Likewise.
7047 (create_omp_child_function): Likewise.
7048 (lookup_omp_region): New.
7049 (dump_omp_region): New.
7050 (debug_omp_region): New.
7051 (debug_all_omp_regions): New.
7052 (new_omp_region): New.
7053 (scan_omp_parallel): If parallel_nesting_level > 1, the
7054 directive is nested within another parallel directive.
7055 Set OMP_PARALLEL_FN.
7056 (scan_omp_for): Do not try to handle combined parallel+for
7058 Remove FIXME comment.
7059 (scan_omp_nested): Remove.
7060 (scan_omp_1): Do not call scan_omp_nested when
7061 parallel_nesting_level is > 1.
7062 Do not change the DECL_CONTEXT of local variables found.
7063 (lookup_decl_in_outer_ctx): New.
7064 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7065 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7066 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7067 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7068 If CTX is nested, lookup VAR in the outer context when
7069 building copy assignment.
7070 (lower_send_clauses): Rename from expand_send_clauses.
7071 If CTX is nested, lookup VAR in the outer context when
7072 building copy assignments.
7073 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7074 If CTX is nested, lookup VAR in the outer context when
7075 building copy assignments.
7076 (expand_parallel_call): Rename from build_parallel_call.
7077 Handle combined parallel+workshare cases.
7078 Re-implement to emit code into the CFG.
7080 (expand_omp_parallel): Re-implement to emit code into the CFG.
7081 Call move_sese_region_to_fn to outline the sub-graph
7082 containing the parallel region.
7083 (expand_omp_for_1): Remove.
7084 (expand_omp_for_generic): Re-implement to emit code into the
7086 (expand_omp_for_static_nochunk): Likewise.
7087 (expand_omp_for_static_chunk): Likewise.
7088 (expand_omp_for): Likewise.
7089 (expand_omp_sections): Likewise.
7090 (remove_exit_barriers): New.
7091 (expand_omp_synch): New.
7093 (build_omp_regions_1): New.
7094 (build_omp_regions): New.
7095 (execute_expand_omp): New.
7096 (gate_expand_omp): New.
7097 (pass_expand_omp): Define.
7098 (lower_omp_sections): Rename from expand_omp_sections.
7099 Set OMP_SECTIONS_SECTIONS.
7100 (lower_omp_single_simple): Rename from expand_omp_single_simple.
7101 (lower_omp_single_copy): Rename from expand_omp_single_copy.
7102 (lower_omp_single): Rename from expand_omp_simple.
7103 (lower_omp_master): Rename from expand_omp_master.
7104 (lower_omp_ordered): Rename from expand_omp_ordered.
7105 (lower_omp_critical): Rename from expand_omp_critical.
7106 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7107 (lower_omp_for): Re-implement.
7108 (lower_omp_parallel): Re-implement.
7109 (lower_regimplify): Rename from expand_regimplify.
7110 (lower_omp_1): Rename from expand_omp_1.
7111 If there are syntax errors in the program, replace every
7112 OpenMP directive with NOP.
7113 Call lower_omp_* instead of expand_omp_*.
7114 (lower_omp): Rename from expand_omp.
7116 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7117 * tree-gimple.h (enum omp_parallel_type): Remove.
7118 (gimple_boolify): Declare extern.
7119 (find_omp_clause, determine_parallel_type): Remove.
7121 * gimple-low.c (lower_omp_directive): New.
7122 (lower_stmt): Call it.
7123 (record_vars_into): Move from ...
7124 (record_vars): ... here.
7125 Call record_vars_into with current_function_decl.
7127 * gimplify.c (struct gimplify_ctx): Remove fields
7128 combined_pre_p and combined_ctxp. Update users.
7129 (get_formal_tmp_var): Add documentation.
7130 (gimple_boolify): Make extern.
7131 (gimplify_expr_in_ctx): Remove. Update callers.
7132 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7133 will always be a BIND_EXPR.
7134 (gimplify_expr): Handle OMP_RETURN_EXPR.
7135 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7136 (OMP_PARALLEL): Add 3 operands.
7137 (OMP_SECTIONS): Add 1 operand.
7138 (OMP_RETURN_EXPR): Define.
7140 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7141 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7142 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7143 creating a circular free list.
7144 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7146 * tree-flow.h (move_sese_region_to_fn): Declare.
7147 (record_vars_into): Declare.
7148 * tree-cfg.c (make_omp_sections_edges): New.
7149 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7150 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7151 OMP_SECTIONS and OMP_SECTION.
7152 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7153 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7154 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7155 (gather_blocks_in_sese_region): New.
7156 (struct move_stmt_d): Declare.
7158 (move_block_to_fn): New.
7159 (move_sese_region_to_fn): New.
7161 * passes.c (init_optimization_passes): Schedule
7162 pass_expand_omp after pass_init_datastructures.
7164 * tree-ssa-operands.c (get_expr_operands): Handle
7165 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7166 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7168 2006-01-19 Jeff Law <law@redhat.com>
7170 * tree-vrp.c (extract_range_from_assert): Refine the result range
7171 if the variable referenced by the ASSERT_EXPR has a range and
7172 either the tentative result range or the previous range is a
7175 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7177 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7179 2006-01-19 Jan Hubicka <jh@suse.cz>
7181 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7183 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7185 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7186 (expand_compound_operation, expand_field_assignment): Fail if the
7187 bit lengths of an extract operation are out of range.
7188 (make_extraction): Compute wanted_inner_mode based on the position
7189 and length of the extraction. Make it extraction_mode for non-constant
7190 positions, and do not modify offset in that case. When generating a
7191 new MEM, use a mode that can hold the extraction while keeping correct
7192 alignment. Remove code that supported MEMs wrapped by USEs.
7193 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7195 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7197 * config/s390/s390.md ("Y", "y"): New mode attribute.
7198 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7199 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7200 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7201 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7202 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7203 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7204 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7205 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7206 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7207 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7208 "addsi3", "subsi3"): Insn patterns removed.
7209 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7210 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7211 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7212 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7213 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7214 "*sub<mode>3_cconly2"): New insn patterns.
7215 ("addsi3", "subsi3"): New expanders.
7217 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7219 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7220 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7221 existing STMT_VINFO_VECTYPE if available.
7222 (vect_mark_relevant): Add special handling for stmts that are
7223 marked as STMT_VINFO_IN_PATTERN_P.
7224 (vect_analyze_loop): Call vect_pattern_recog.
7225 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7226 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7228 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7229 (vect_recog_func_ptr): New function-pointer type.
7230 * tree-vect-patterns.c: New file.
7231 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7232 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7233 (vect_pattern_recog_1): New functions.
7234 (vect_pattern_recog_funcs): New array of function pointers.
7236 * tree-vectorizer.h (ternary_op): New enum value.
7237 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7238 declaration. Revised documentation. Removed redundant dump prints.
7239 Removed redundant argument. Added support for reduction patterns.
7240 (vectorizable_reduction): Added support for reduction patterns.
7241 (vect_transform_stmt): Added support for patterns.
7243 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7244 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7245 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7246 (expand_widen_pattern_expr): New function.
7247 (init_optabs): Initialize new optabs udot_prod_optab,
7249 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7250 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7251 (expand_widen_pattern_expr): New function declaration.
7252 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7254 * tree-inline.c (estimate_num_insns_1): Added cases for new
7255 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7256 * tree-pretty-print.c (dump_generic_node): Likewise.
7257 (op_prio): Likewise.
7258 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7259 * tree-ssa-operands.c (get_expr_operands): Added case for
7261 * tree-vect-patterns.c (widened_name_p): New function.
7262 (vect_recog_dot_prod_pattern): Added function implementation.
7263 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7264 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7265 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7266 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7268 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7269 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7270 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7271 (init_optabs): Initialize new optabs widen_ssum_optab,
7273 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7274 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7275 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7276 use instead of type of def.
7277 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7278 function implementation.
7279 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7280 widen_ssumv8hi): New.
7282 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7285 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7288 * c-decl.c (add_flexible_array_elts_to_size): New function.
7289 (finish_decl): Use it.
7291 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7293 * diagnostic.h: Include options.h.
7294 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7295 dependancies for diagnostic.h.
7296 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7298 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7300 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7301 (ssa_ro_call_cache_valid): Ditto.
7302 * tree-ssa-alias.c (sort_tags_by_id): New function.
7303 (init_transitive_clobber_worklist): Ditto.
7304 (add_to_worklist): Ditto.
7305 (mark_aliases_call_clobbered): Ditto.
7306 (compute_tag_properties): Ditto.
7307 (set_initial_properties): Ditto.
7308 (compute_call_clobbered): Ditto.
7309 (compute_may_aliases): Call compute_call_clobbered and grouping.
7310 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7311 (compute_flow_insensitive_aliasing): Grouping now happens in our
7313 (setup_pointers_and_addressables): Remove clobbering related code.
7314 (add_may_alias): Ditto.
7315 (replace_may_alias): Ditto.
7316 (get_nmt_for): Ditto.
7317 (create_global_var):
7318 (is_escape_site): Return an escape_type enumeration.
7319 * tree-flow-inline.h (is_call_clobbered): Global var does not
7320 imply call clobbered.
7321 (mark_call_clobbered): Take a reason for marking this. Remove
7322 marking of globalness, and cache invalidation.
7323 (clear_call_clobbered): Remove cache invalidation code.
7324 * tree-dfa.c (dump_variable): If details is on, dump the reason
7326 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7328 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7329 (struct var_ann_d): Ditto.
7330 (enum escape_type): New.
7331 (mark_call_clobbered): Adjust prototype.
7332 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7333 are never call clobbered.
7334 Record reasons for escaping.
7335 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7336 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7337 (ssa_ro_call_cache_valid): Ditto.
7338 (clobbered_v_may_defs): Ditto.
7339 (clobbered_vuses): Ditto.
7340 (ro_call_vuses): Ditto.
7341 (clobber_stats): New.
7342 (init_ssa_operands): Zero out clobber stats.
7343 (fini_ssa_operands): Print out clobber stats.
7344 (get_call_expr_operands): Pass callee fndecl to
7346 (add_call_clobber_ops): Remove use of cache.
7347 Add use of PURE_CONST information.
7348 (add_call_read_ops): Remove use of cache.
7349 Add use of static not_read information.
7351 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7353 Introduce TLS descriptors for i386 and x86_64.
7354 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7355 (TARGET_ANY_GNU_TLS): New macro.
7356 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7357 (struct machine_function): Add tls_descriptor_call_expanded_p.
7358 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7359 (ix86_current_function_calls_tls_descriptor): Likewise.
7360 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7361 (override_options): Introduce gnu2 tls dialect.
7362 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7364 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7366 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7367 (ix86_init_machine_status): Initialize new field.
7368 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7369 (ix86_tls_module_base): New.
7370 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7371 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7372 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7373 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7374 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7375 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7376 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7377 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7378 * config/i386/predicates.md (tls_modbase_operand): New.
7379 (tp_or_register_operand): New.
7381 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7383 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7384 (look_for_address_of): Ditto.
7385 (ipa_init): Walk the function decls.
7386 (static_execute): Don't set readonly on FUNCTION_DECL's.
7388 2006-01-18 Roger Sayle <roger@eyesopen.com>
7390 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7391 for shifts where the source and destination registers are different.
7393 2006-01-18 Paul Brook <paul@codesourcery.com>
7395 Merge from csl-arm-branch.
7396 2005-03-14 Julian Brown <julian@codesourcery.com>
7397 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7398 (aeabi_llsl): Likewise.
7399 (ashrdi3): Likewise.
7400 (aeabi_lasr): Likewise.
7401 (lshrdi3): Likewise.
7402 (aeabi_llsr): Likewise.
7403 2005-03-10 Julian Brown <julian@codesourcery.com>
7404 * config.gcc: Disable shared libgcc for SymbianOS.
7405 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7407 2006-01-18 DJ Delorie <dj@redhat.com>
7409 * c-pragma.c (handle_pragma_diagnostic): New.
7410 (init_pragma): Register it.
7411 * doc/extend.texi: Document it.
7413 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7414 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7415 (diagnostic_context): Add classify_diagnostic[].
7416 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7417 as errors if they're overridden to DK_WARNING.
7418 (diagnostic_initialize): Initialize classify_diagnostic[].
7419 (diagnostic_set_kind_override): New.
7420 (diagnostic_report_diagnostic): Check for kind changes.
7421 * opts.c (common_handle_option): Take lang_mask. Update callers.
7423 * common.opt (Werror=): New.
7424 * doc/invoke.texi: Document -Werror=*
7426 2006-01-18 Jeff Law <law@redhat.com>
7428 * tree-vrp.c (test_for_singularity): Correct test for new
7429 min limit. Use operand_equal_p rather than pointer equality
7430 for testing if new min/max values are equal.
7432 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7433 using range information until after propagation and folding.
7435 2006-01-18 Richard Henderson <rth@redhat.com>
7436 Aldy Hernandez <aldyh@redhat.com>
7437 Jakub Jelinek <jakub@redhat.com>
7438 Diego Novillo <dnovillo@redhat.com>
7440 * omp-low.c: New file.
7441 * c-omp.c: New file.
7443 2006-01-18 Richard Henderson <rth@redhat.com>
7444 Jakub Jelinek <jakub@redhat.com>
7445 Diego Novillo <dnovillo@redhat.com>
7447 * doc/invoke.texi: Document -fopenmp.
7448 * tree-dump.h (debug_function): Declare.
7449 * hooks.c (hook_bool_tree_bool_false): New function.
7450 (hook_tree_tree_null): Remove.
7451 (hook_tree_tree_tree_null): New.
7452 * hooks.h: Update to match.
7453 * tree-pretty-print.c (debug_tree_chain): New.
7454 (print_generic_expr): Handle TDF_CHAIN.
7455 (dump_generic_node): Handle BLOCK.
7456 Do not abort with incomplete SWITCH_EXPRs.
7457 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7458 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7459 print space after directive name.
7460 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7461 Handle OMP_MASTER and OMP_ORDERED.
7462 Handle printing of OMP_BODY just in one place, goto
7463 dump_omp_body in the rest of OMP_* nodes that have
7465 Don't handle clause nodes here. Update omp statements to
7466 use dump_omp_clauses.
7467 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7468 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7469 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7470 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7471 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7472 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7473 Adjust output for GOMP_PARALLEL.
7474 (dump_omp_clauses): New.
7475 (print_declaration): Dump DECL_VALUE_EXPR.
7476 (op_symbol_1): Split out of op_symbol.
7477 (dumping_stmts): Remove. Update all users.
7478 * cgraph.c (cgraph_analyze_queue): New.
7479 (cgraph_add_new_function): New.
7480 * cgraph.h (cgraph_analyze_queue): Declare.
7481 (cgraph_add_new_function): Declare.
7482 (cgraph_lower_function): Remove.
7483 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7484 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7485 and TYPE_P nodes in its default clause.
7486 (empty_body_p): New.
7487 (tree_range_check_failed): New.
7489 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7490 OMP_CLAUSE_REDUCTION_MERGE,
7491 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7492 OMP_CLAUSE_PRIVATE_DEBUG,
7493 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7494 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7495 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7496 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7497 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7498 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7499 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7500 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7501 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7502 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7503 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7504 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7505 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7506 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7507 (TREE_RANGE_CHECK): New.
7508 (empty_body_p): Declare.
7509 (enum omp_clause_default_kind): New.
7510 (build_string_literal): Declare.
7511 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7512 (build5_stat, build5): Declare.
7513 * tree-pass.h (TDF_CHAIN): Define.
7514 * tree-pass.h (PROP_gimple_lomp): Define.
7515 (pass_lower_omp): Declare.
7516 * diagnostic.h (debug_tree_chain): Declare.
7517 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7519 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7520 * builtins.c (build_string_literal): Make extern.
7521 * gcc.c (include_spec_function): New.
7522 (static_spec_functions): Add it.
7523 (main): Move load of libgomp.spec ...
7524 (LINK_COMMAND_SPEC): ... here.
7525 (link_gomp_spec): New.
7526 (static_specs): Include it.
7527 (LINK_COMMAND_SPEC): Add link_gomp.
7528 (GOMP_SELF_SPECS): New.
7529 (driver_self_specs): Include it.
7530 (switch_matches): Don't mark inline.
7531 (main): Load libgomp.spec.
7532 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7533 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7534 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7535 * tree-gimple.h (enum omp_parallel): Declare.
7536 (determine_parallel_type): Declare.
7537 (omp_firstprivatize_variable): Declare.
7538 (omp_reduction_init): Declare.
7539 (diagnose_omp_structured_block_errors): Declare.
7540 (struct walk_stmt_info): Add want_return_expr.
7541 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7542 (find_omp_clause): Declare.
7543 (insert_field_into_struct): Declare.
7544 (struct walk_stmt_info): Move from tree-nested.c
7545 (walk_stmts): Declare.
7546 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7548 * cgraphunit.c (cgraph_lower_function): Make static.
7549 (cgraph_finalize_pending_functions): New.
7550 (cgraph_finalize_function): Call it.
7551 (cgraph_finalize_compilation_unit): Likewise.
7552 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7553 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7554 (BT_FN_UINT_UINT): New.
7555 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7556 DEF_FUNCTION_TYPE_VAR_4): Document.
7557 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7558 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7559 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7560 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7561 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7562 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7563 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7564 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7565 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7566 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7567 into separate files.
7568 (DEF_GOMP_BUILTIN): New.
7569 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7570 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7571 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7572 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7573 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7574 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7575 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7576 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7577 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7578 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7579 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7580 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7581 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7582 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7583 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7584 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7585 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7586 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7587 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7588 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7589 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7590 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7591 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7592 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7593 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7594 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7595 * sync-builtins.def: New file, moved from builtins.def.
7596 * omp-builtins.def: New file, moved from builtins.def.
7597 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7598 * gimple-low.c (lower_function_body): Clear data.
7599 (lower_stmt): Do not handle COMPOUND_EXPR.
7600 Remove call to print_node_brief.
7601 * c-tree.h (c_finish_omp_clauses): New prototype.
7602 (C_DECL_THREADPRIVATE_P): Define.
7603 (lookup_name_no_remap, c_omp_remap_private): Remove
7604 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7605 (check_for_loop_decls): Update decl.
7606 (lookup_name_no_remap, c_omp_remap_private): Declare.
7607 (build_indirect_ref, build_modify_expr, pushdecl,
7608 pushdecl_top_level): Move to c-common.h.
7609 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7610 before the switch, but just in the 2 places that need it.
7611 * c-decl.c (diagnose_mismatched_decls): Do not check for
7612 mismatched thread-local attributes when OLDDECL is marked
7613 threadprivate and NEWDECL has no thread-local attributes.
7614 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7615 (c_gimple_diagnostics_recursively): Rename from
7616 c_warn_unused_result_recursively. Invoke
7617 diagnose_omp_structured_block_errors.
7618 (check_for_loop_decls): Return a singular decl found.
7619 * langhooks.c (lhd_omp_predetermined_sharing): Return
7620 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7621 (lhd_omp_firstprivatize_type_sizes): New.
7622 (lhd_omp_assignment): New.
7623 (lhd_omp_predetermined_sharing): New.
7624 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7625 (struct lang_hooks_for_types): Add
7626 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7627 omp_predetermined_sharing, omp_disregard_value_expr,
7628 omp_private_debug_clause, omp_clause_default_ctor,
7629 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7630 (c_finish_omp_clauses): New.
7631 (c_finish_bc_stmt): Diagnose break within omp for.
7632 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7633 (build_unary_op): Return error_mark after reporting
7635 (build_modify_expr): Likewise.
7636 * gimplify.c: Include optabs.h and pointer-set.h.
7637 (enum gimplify_omp_var_data): Declare.
7638 (struct gimplify_omp_ctx): Declare.
7639 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7641 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7642 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7643 (splay_tree_compare_decl_uid): New.
7644 (new_omp_context): New.
7645 (delete_omp_context): New.
7646 (gimple_add_tmp_var): Call omp_add_variable.
7647 (gimplify_bind_expr): Likewise.
7648 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7649 true, disregard DECL_VALUE_EXPR on the decl if any.
7650 (gimplify_expr_in_ctx): New.
7651 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7652 omp_add_variable, omp_notice_variable, omp_is_private
7653 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7654 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7655 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7656 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7657 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7658 gimplify_omp_atomic): New.
7659 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7660 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7661 OMP_CRITICAL and OMP_ATOMIC.
7662 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7663 * c-pragma.h (enum pragma_kind): Add
7664 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7665 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7666 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7667 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7668 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7669 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7670 PRAGMA_OMP_THREADPRIVATE.
7671 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7672 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7673 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7674 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7675 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7676 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7677 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7678 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7679 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7680 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7681 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7682 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7683 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
7685 (struct nesting_info): Add field_map,
7686 suppress_expansion, debug_var_chain.
7687 (create_nesting_tree): Initialize them.
7688 (lookup_field_for_decl): Use field_map.
7689 (get_nonlocal_debug_decl, get_local_debug_decl): New.
7690 (convert_local_omp_clauses): New.
7691 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
7692 (walk_body): Split out of walk_function.
7693 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
7694 (convert_nonlocal_reference): Handle omp statements.
7695 (convert_local_reference): Likewise.
7696 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
7697 (unnest_nesting_tree): New.
7698 (lower_nested_functions): Call it.
7699 (insert_field_into_struct): Make extern.
7700 (struct walk_stmt_info): Move to tree-gimple.h.
7701 (walk_stmts): Make extern.
7702 * omp-builtins.def: New file.
7703 * tree-iterator.c (expr_only): Clarify comment.
7704 * c-common.h (pushdecl_top_level, pushdecl,
7705 build_modify_expr, build_indirect_ref,
7706 c_finish_omp_master, c_finish_omp_critical,
7707 c_finish_omp_ordered, c_finish_omp_barrier,
7708 c_finish_omp_atomic, c_finish_omp_flush,
7709 c_finish_omp_for, c_split_parallel_clauses,
7710 omp_clause_default_kind, c_omp_sharing_predetermined,
7711 c_omp_remap_decl): Declare.
7712 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
7713 (OBJS-common): Add omp-low.o.
7714 (c-omp.o, omp-low.o): Add.
7715 (gimplify.o): Add dependency on $(OPTABS_H).
7716 (GTFILES): Add omp-low.c.
7717 (gt-stringpool.h): Add.
7718 * tree-cfg.c (set_bb_for_stmt): Do not update the
7719 block-to-labels map if we are currently expanding to RTL.
7720 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
7722 Handle IDENTIFIER_NODE.
7723 (tree_verify_flow_info): Do not ICE when emitting error
7724 messages about invalid labels.
7725 (dump_function_to_file): Reset CFUN before emitting the body
7727 (debug_function): New.
7728 * passes.c (init_optimization_passes): Schedule
7730 * langhooks-def.h (lhd_omp_predetermined_sharing,
7731 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
7733 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
7734 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
7735 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
7736 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
7737 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
7738 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
7739 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
7740 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
7741 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
7742 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
7743 (LANG_HOOK_DECLS): Use them.
7745 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
7746 Richard Henderson <rth@redhat.com>
7747 Jakub Jelinek <jakub@redhat.com>
7748 Diego Novillo <dnovillo@redhat.com>
7750 * c-parser.c (pragma_omp_clause): Define.
7751 (c_parser_declaration_or_fndef): Document OpenMP syntax.
7752 (c_parser_compound_statement): Likewise.
7753 (c_parser_statement): Likewise.
7754 (c_parser_pragma): Handle omp pragmas.
7755 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
7756 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
7757 (c_parser_omp_clause_name, check_no_duplicate_clause,
7758 c_parser_omp_variable_list,
7759 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
7760 c_parser_omp_clause_copyprivate,
7761 c_parser_omp_clause_default,
7762 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
7763 c_parser_omp_clause_lastprivate,
7764 c_parser_omp_clause_nowait,
7765 c_parser_omp_clause_num_threads,
7766 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
7767 c_parser_omp_clause_reduction,
7768 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7769 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7770 c_parser_omp_atomic, c_parser_omp_barrier,
7771 c_parser_omp_critical, c_parser_omp_flush,
7772 c_parser_omp_for_loop, c_parser_omp_for,
7773 c_parser_omp_master, c_parser_omp_ordered,
7774 c_parser_omp_sections_scope, c_parser_omp_sections,
7775 c_parser_omp_parallel, c_parser_omp_single,
7776 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7777 * c-pragma.c (init_pragma): Do omp pragma registration here.
7778 * c.opt (fopenmp): New flag.
7780 2006-01-18 Eric Christopher <echristo@apple.com>
7782 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7783 * config/darwin.h (GOMP_SELF_SPECS): Define.
7785 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7787 * rtl.h: Remove the prototype for reg_alloc.
7789 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7792 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7793 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7794 sjlj and dwarf2 exception handling.
7795 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7796 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7797 * pa/pa.c (function_value): Treat complex and vector types as
7799 (function_arg): Likewise. Only pass scalar floats in the floating
7800 point argument registers.
7801 * pa/t-slibgcc-dwarf-ver: New file.
7802 * pa/t-slibgcc-sjlj-ver: New file.
7803 * pa/t-slibgcc-elf-ver: Delete file.
7805 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7807 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7808 unlikely_test_section_p test.
7810 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7812 * mode-switching.c (optimize_mode_switching): Make it static.
7813 * basic-block.h: Remove the prototype for
7814 optimize_mode_switching.
7816 * modulo-sched.c (sms_schedule): Make it static.
7817 * rtl.h: Remove the prototype for sms_schedule.
7819 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7820 * rtl.h: Remove the prototype for gcse_after_reload_main.
7822 * reg-stack.c (reg_to_stack): Make it static.
7823 * rtl.h: Remove the prototype for reg_to_stack.
7825 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7827 * rtl.h: Remove the prototypes for regrename_optimize and
7828 copyprop_hardreg_forward.
7830 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
7832 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
7833 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
7834 Test against the appropriate null constant for the mode.
7835 If 'fixup_overlap' is true, swap the operands if they overlap.
7836 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
7837 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
7838 alpha_split_tmode_pair and adjust for above change.
7839 * config/alpha/alpha.md (movtf_internal): Adjust call to
7840 alpha_split_tfmode_pair and rely on it to swap the operands.
7841 (movti_internal): New insn and post-reload splitter.
7842 (movti): New expander.
7844 2006-01-18 Philippe De Muyter <phdm@macqel.be>
7846 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
7849 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7851 * rtlanal.c (global_reg_mentioned_p_1,
7852 global_reg_mentioned_p): Remove.
7853 * rtl.h: Remove the prototype for global_reg_mentioned_p.
7855 * flow.c (initialize_uninitialized_subregs): Make it static.
7856 * rtl.h: Remove the prototype for
7857 initialize_uninitialized_subregs.
7859 * function.c (instantiate_virtual_regs): Make it static.
7860 * function.h: Remove the prototype for
7861 instantiate_virtual_regs.
7863 * regmove.c (regmove_optimize, combine_stack_adjustments):
7865 * rtl.h: Remove the prototypes for regmove_optimize and
7866 combine_stack_adjustments.
7868 2006-01-17 Roger Sayle <roger@eyesopen.com>
7870 * config/i386/i386.c (COSTS_N_BYTES): New macro.
7871 (size_cost): Encode costs in bytes so that a reg-reg addition is
7872 equivalent to COSTS_N_INSNS(1).
7873 (override_options): Use the size_cost.branch_cost as the default
7874 ix86_branch_cost when optimizing for size.
7876 2006-01-18 Ben Elliston <bje@au.ibm.com>
7878 * Makefile.in (D32PBIT_FUNCS): New.
7879 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
7880 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
7881 D64PBIT_FUNCS and D128PBIT_FUNCS.
7882 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
7883 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
7885 (decnumber_dep): Define.
7886 * doc/libgcc.texi (Decimal float library routines): New node.
7887 * config/dfp-bit.h, config/dfp-bit.c: New files.
7889 2006-01-18 Ben Elliston <bje@au.ibm.com>
7891 * expr.c (emit_move_change_mode): Always adjust addresses, not
7892 just during reload. Copy replacements only during reload.
7893 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
7894 emit_move_via_integer.
7896 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
7898 * Makefile.in (check-%, check-consistency): Use $${srcdir}
7899 instead of $(srcdir) and ${srcdir}.
7901 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
7905 * arm.h (struct machine_function): Add pic_reg.
7906 * arm.c (arm_pic_register): Make unsigned.
7907 (arm_override_options): Only set arm_pic_register if
7908 TARGET_SINGLE_PIC_BASE.
7909 (use_return_insn): Only test for a pic register if it is fixed.
7910 (arm_compute_save_reg0_reg12_mask): Likewise.
7911 (thumb_compute_save_reg_mask): Likewise.
7912 (legitimate_pic_operand): Factor out some known invariants.
7913 (legitimize_pic_address): If we don't have a fixed pic register,
7914 then set up a pseudo in the function entry sequence. Handle the
7915 pic base being in a pseudo.
7916 (arm_load_pic_register): Handle the pic register being in a pseudo.
7917 (arm_expand_prologue): Only set up the pic register if it is fixed.
7918 (thumb_expand_prologue): Likewise.
7919 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
7920 (pic_load_addr_based_insn): Likewise.
7921 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
7924 2006-01-18 Ben Elliston <bje@au.ibm.com>
7926 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
7927 decimal float modes for all floating point registers.
7929 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
7930 match_code "mem" with match_test "macho_lo_sum_memory_operand".
7932 2006-01-17 Jakub Jelinek <jakub@redhat.com>
7935 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
7936 even when the pointer is not NULL.
7938 2006-01-16 Ian Lance Taylor <ian@airs.com>
7940 * common.opt (ftoplevel-reorder): New option.
7941 * cgraph.c (cgraph_asm_nodes): New global variable.
7942 (cgraph_asm_last_node): New static variable.
7943 (cgraph_order): New global variable.
7944 (cgraph_create_node): Set new order field.
7945 (cgraph_varpool_node): Likewise.
7946 (decide_is_variable_needed): Return true if not
7947 flag_toplevel_reorder.
7948 (cgraph_add_asm_node): New function.
7949 * cgraph.h (struct cgraph_node): Add order field.
7950 (struct cgraph_varpool_node): Add order field.
7951 (struct cgraph_asm_node): Define.
7952 (cgraph_asm_nodes, cgraph_order): Declare.
7953 (cgraph_add_asm_node): Declare.
7954 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
7956 (cgraph_varpool_assemble_pending_decls): Call it.
7957 (cgraph_output_pending_asms): New static function.
7958 (cgraph_finalize_compilation_unit): Call it.
7959 (struct cgraph_order_sort): Define.
7960 (cgraph_output_in_order): New static function.
7961 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
7962 !flag_toplevel_reorder case.
7963 * c-parser.c: Include "cgraph.h".
7964 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
7966 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
7967 than -fno-unit-at-a-time.
7968 * doc/invoke.texi (Option Summary): Mention
7969 -fno-toplevel-reorder.
7970 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
7971 -funit-at-a-time documentation.
7973 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
7974 Kazu Hirata <kazu@codesourcery.com>
7976 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
7978 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
7980 * Makefile.in (FUNCTION_H): New. Use it instead of
7981 function.h throughout the file.
7982 * function.h: Include tree.h.
7984 2006-01-17 Ben Elliston <bje@au.ibm.com>
7986 * recog.c: Separate some functions with whitespace.
7988 2006-01-16 Richard Henderson <rth@redhat.com>
7990 Merge from gomp branch:
7991 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
7992 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
7993 and rename from struct inline_data. Rename callee* to dst*;
7994 caller* to src*; add copy_decl hook, transform_call_graph_edges,
7995 transform_new_cfg, transform_return_to_modify, and
7996 transform_lang_insert_block flags; remove cloning_p, versioning_p,
7998 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
7999 (copy_decl_for_dup): Remove.
8000 * tree-inline.c (struct inline_data): Move to header.
8001 (insert_decl_map): Export.
8002 (remap_decl): Update for member name changes. Use copy_decl hook.
8003 Allow for replacement to be a non-decl. Remove dead code.
8004 (remap_type_1): Check for existing mapping.
8005 (remap_type): Export.
8006 (remap_decls): Update for member name changes.
8007 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8008 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8009 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8010 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8011 (tree_function_versioning, build_duplicate_type): Likewise.
8012 (copy_body_r): Likewise. Export.
8013 (copy_decl_for_dup): Split into ...
8014 (copy_decl_for_dup_finish, copy_decl_to_var,
8015 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8016 (replace_ref_tree, inlining_p): Remove.
8018 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8020 * ifcvt.c (if_convert): Make it static.
8021 * rtl.h: Remove the prototype for if_convert.
8023 * local-alloc.c (local_alloc): Make it static.
8024 * rtl.h: Remove the prototype for local_alloc.
8026 * loop.c (loop_optimize): Make it static.
8027 * cfgloop.h: Remove the prototype for loop_optimize.
8030 2006-01-16 DJ Delorie <dj@redhat.com>
8032 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8035 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8037 * pa.md: Disparage copies between general and floating-point registers
8038 in 32-bit move patterns.
8040 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8043 * Makefile.in (check-%): Depend on site.exp instead of
8044 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8047 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8049 * global.c (global_alloc): Make it static.
8050 * rtl.h: Remove the prototype for global_alloc.
8052 2006-01-16 Richard Guenther <rguenther@suse.de>
8054 * tree-ssa-alias.c (struct used_part): Add write_only field.
8055 (get_or_create_used_part_for): Initialize it to true.
8056 (create_overlap_variables_for): Don't create structure variables
8057 for structures that only are written to.
8058 (find_used_portions): Handle MODIFY_EXPR to track whether a
8059 structure is only written to.
8061 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8063 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8065 * basic-block.h: Remove the prototype for
8066 partition_hot_cold_basic_blocks.
8068 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8070 * cppspec.c (lang_specific_spec_functions): Remove.
8071 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8072 * gcc.h (lang_specific_spec_functions): Remove.
8073 * gccspec.c (lang_specific_spec_functions): Remove.
8075 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8077 * combine.c (record_value_for_reg): Invalidate registers
8079 (record_dead_and_set_regs_1): Likewise, by passing them to
8080 record_value_for_reg.
8081 (record_dead_and_set_regs): Invalidate stores made by a
8082 call. We do not combine across a call, but we still
8083 relied on equivalences.
8085 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8087 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8088 vrp_int_const_binop returning non-constant nodes.
8090 2006-01-16 Paul Brook <paul@codesourcery.com>
8092 * config/m68k/m68k.c (output_move_const_into_data_reg):
8093 Output correct mnemonic for mvz and mvs.
8095 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
8097 * rtl-factoring.c: Add sequence abstraction algorithm.
8098 * cfgcleanup.c (outgoing_edges_match): Extra checks.
8099 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
8101 (block_has_preserve_label): New function.
8102 * common.opt: Register new pass.
8103 * Makefile.in: Ditto.
8105 * timevar.def: Ditto.
8106 * tree-pass.h: Ditto.
8107 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8108 * rtl.h (make_jump_insn_raw): Add forward decl.
8109 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8111 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8112 Roger Sayle <roger@eyesopen.com>
8114 * fold-const.c (fold_minmax): New static function.
8115 (fold_binary) <MIN_EXPR>: Call it.
8116 <MAX_EXPR>: Likewise.
8117 * stor-layout.c (place_field): Use DECL_SIZE consistently
8118 in the computation of the new record size.
8120 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8122 * cse.c (cse_condition_code_reg): Make it static.
8123 * rtl.h: Remove the prototype for cse_condition_code_reg.
8125 * combine.c (combine_instructions): Make it static.
8126 * rtl.h: Remove the prototype for combine_instructions.
8128 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8131 * tree.c (get_file_function_name_long): Concatenate the first global
8132 object name with a string derived from the input filename of the object
8135 2006-01-16 Ben Elliston <bje@au.ibm.com>
8137 * config/i386/winnt-stubs.c: Update FSF address.
8138 * config/xtensa/ieee754-df.S: Ditto.
8139 * config/xtensa/ieee754-sf.S: Ditto.
8141 2006-01-14 Ian Lance Taylor <ian@airs.com>
8143 * ifcvt.c (noce_init_if_info): New static function, broken out of
8144 noce_process_if_block.
8145 (noce_process_if_block): Call noce_init_if_info.
8146 (check_cond_move_block): New static function.
8147 (cond_move_process_if_block): New static function.
8148 (process_if_block): Call cond_move_process_if_block.
8150 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8152 * cselib.c (hash_table): Rename to cselib_hash_table.
8153 (cselib_clear_table, discard_useless_values,
8154 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8155 cselib_init, cselib_finish): Adjust uses of hash_table.
8157 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8159 PR tree-optimization/25485
8160 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8161 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8162 is known to be false and true, respectively.
8164 2006-01-14 Richard Guenther <rguenther@suse.de>
8166 PR tree-optimization/22548
8167 PR tree-optimization/22555
8168 PR tree-optimization/22501
8169 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8170 * params.def (salias-max-array-elements): New parameter.
8171 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8172 * doc/invoke.texi (salias-max-array-elements): Document.
8173 * tree-flow-inline.h (var_can_have_subvars): We also handle
8175 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8177 * tree-ssa-structalias.c (params.h): Include.
8178 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8179 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8180 (get_constraint_for): For ADDR_EXPR operating on something
8181 containing an ARRAY_REF, add all subvars to the solution.
8182 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8183 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8184 for creating MUST_DEFs.
8185 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8187 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8189 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8191 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8192 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8193 number_of_iterations_le): New functions.
8194 (number_of_iterations_special): Removed.
8195 (number_of_iterations_exit): Do not use number_of_iterations_special.
8196 * tree.c (unsigned_type_for): Always return integer type.
8198 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8199 Richard Guenther <rguenther@suse.de>
8201 PR rtl-optimization/24257
8202 * gcse.c (find_moveable_store): Only consider a store movable
8203 when the SET_SRC of the insn can be assigned to a register.
8205 2006-01-14 Ian Lance Taylor <ian@airs.com>
8207 * tree.c (tree_not_class_check_failed): New function.
8208 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8209 (tree_not_class_check_failed): Declare.
8211 2006-01-13 Ian Lance Taylor <ian@airs.com>
8213 * reload1.c (do_output_reload): Add assertion rejecting a
8216 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8218 * combine.c (struct reg_stat): Add new fields truncation_label and
8220 (record_value_for_reg): Reset truncated_to_mode.
8221 (record_truncated_value): New function.
8222 (check_promoted_subreg): Call it. Rename to check_conversions.
8223 (combine_instructions): Rename check_promoted_subreg to
8225 (reg_truncated_to_mode): New function.
8226 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8227 (gen_lowpart_or_truncate): New function.
8228 (force_to_mode): Use it instead of gen_lowpart.
8230 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8232 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8233 VAR is a tag, not its type tag.
8235 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8237 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8238 alternatives to match style of other entries.
8239 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8241 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8243 PR tree-optimization/25771
8244 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8247 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8250 * tree-inline.c (declare_return_variable): If the return variable
8251 was marked as a non gimple complex, set the return slot variable
8252 to be a non gimple comple variable.
8254 2006-01-13 Richard Guenther <rguenther@suse.de>
8256 * builtins.c (expand_builtin_sincos): New function.
8257 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8259 (expand_builtin): Expand sincos using expand_builtin_sincos.
8261 2006-01-12 DJ Delorie <dj@redhat.com>
8263 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8264 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8265 so that constant shifts can be split.
8266 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8267 (m32c_valid_pointer_mode): Make static.
8268 (shift_gen_func_for): New.
8269 (m32c_prepare_shift): Use it. Split large const shifts into
8271 * config/m32c/predicates.md (shiftcount_operand): Allow more
8273 (longshiftcount_operand): New.
8274 * doc/md.texi (Machine Constraints): Document In6.
8276 2006-01-13 Ben Elliston <bje@au.ibm.com>
8278 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8279 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8282 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8284 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8285 to try to avoid clobbering pieces of structures when we know
8286 something about the whole structure.
8287 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8289 2006-01-13 Ben Elliston <bje@au.ibm.com>
8291 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8292 return in memory, as this is no limitation is no longer present.
8294 2006-01-12 DJ Delorie <dj@redhat.com>
8296 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8297 mova with fb, and for fb+0 -> An.
8299 * config/m32c/mov.md (peephole2): Fix enabling logic.
8301 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8302 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8303 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8304 FINI_ARRAY_SECTION_ASM_OP): Define.
8306 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8308 (m32c_legitimize_reload_address): New logic to reload FB to An.
8309 (m32c_output_reg_push): Add newline.
8310 (m32c_output_reg_pop): Likewise.
8312 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8314 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8316 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8318 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8320 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8322 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8325 2006-01-11 Ben Elliston <bje@au.ibm.com>
8327 * rtlanal.c (find_reg_note): Assert insn is not null.
8329 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8331 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8334 2006-01-11 Jeff Law <law@redhat.com>
8336 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8338 (mark_threaded_blocks, register_jump_thread): New functions.
8339 (thread_through_all_blocks): Remove unwanted argument. No
8340 longer rely on e->aux to communicate thread target info.
8341 Call mark_threaded_blocks. Release the threaded_blocks
8342 bitmap and threaded_edges vector when complete.
8343 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8344 (threaded_blocks): Remove.
8345 (tree_ssa_dominator_optimize): Remove initialization and
8346 finalization of threaded_blocks. Simplify call to
8347 thread_through_all_blocks.
8348 (thread_across_edge): Call register_jump_thread rather than
8349 storing thread information into e->aux.
8350 (free_all_edge_infos): Simplify now that e->aux is no longer
8351 used to communicate with thread_through_all_blocks.
8352 * tree-flow.h (thread_through_all_blocks): Update prototype.
8353 (register_jump_thread): Prototype.
8355 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8357 * df-core.c (df_compact_blocks, df_bb_replace): Use
8358 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8360 2006-01-11 Richard Guenther <rguenther@suse.de>
8362 PR tree-optimization/25734
8363 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8364 stop propagation after successful propagation to the LHS.
8366 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8368 * basic-block.h (control_flow_graph): Change the type of
8369 x_basic_block_info to VEC(basic_block,gc) *.
8370 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8372 (SET_BASIC_BLOCK): New.
8373 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8374 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8375 * cfgbuild.c (find_basic_blocks): Likewise.
8376 * cfglayout.c (fixup_reorder_chain): Likewise.
8377 * cfgrtl.c (create_basic_block_structure,
8378 rtl_create_basic_block): Likewise.
8379 * ifcvt.c (find_if_case_1): Likewise.
8380 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8383 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8385 * Makefile.in: Removed rotted odf.c entry.
8387 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8390 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8391 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8392 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8393 output pattern modifier, not %e.
8394 * config/cris/cris.c (cris_op_str): Update comment about pattern
8396 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8397 before falling through into...
8398 <case 'E'>: Redefined from old 'e' case.
8400 2006-01-11 Jan Hubicka <jh@suse.cz>
8403 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8405 2006-01-11 Jan Hubicka <jh@suse.cz>
8407 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8408 * i386.c (x86_decompose_lea): Kill.
8409 (ix86_rtx_costs): Kill.
8411 2006-01-11 Jan Hubicka <jh@suse.cz>
8413 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8414 * cgraph.h (cgraph_node): Add inline_decl.
8415 (cgraph_insert_node_to_hashtable): Declare.
8416 (save_inline_function_body): Declare.
8417 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8419 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8420 (cgraph_function_versioning): Update call of tree_function_versioning.
8421 (save_inline_function_body): New function.
8422 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8423 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8424 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8425 (cgraph_default_inline_p): Likewise.
8426 (cgraph_decide_inlining_incrementally): Likewise.
8427 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8428 (copy_bb): Kill saving; do updating of clones.
8429 (copy_cfg_body): Kill saving.
8430 (initialize_inlined-parameters): Likewise.
8431 (expand_call_inline): Likewise.
8433 (tree_function_versioning): New parameter "update_clones".
8434 (inlining_p): Kill saving.
8435 * tree-inline.h (tree_function_versioning): Update prototype.
8436 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8439 2006-01-11 Ian Lance Taylor <ian@airs.com>
8441 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8442 Allow undoing set of machine mode.
8443 (do_SUBST): Use enums instead of is_int.
8444 (do_SUBST_MODE): New function.
8445 (SUBST_MODE): New macro.
8446 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8447 reg and trying to replace reg_regno_rtx with a new register.
8448 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8449 (simplify_set): Use SUBST_MODE.
8450 (distribute_notes): Remove code that tried to update reg notes
8451 for regno_reg_rtx changes.
8453 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8455 PR tree-optimization/23109
8456 PR tree-optimization/23948
8457 PR tree-optimization/24123
8459 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8460 * tree-cfg.c (single_noncomplex_succ): New.
8461 * tree-flow.h (single_noncomplex_succ): Declare it.
8462 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8463 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8464 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8465 insert_bb, register_division_in, insert_reciprocals,
8466 replace_reciprocal, free_bb): New.
8467 (execute_cse_reciprocals_1): Rewritten.
8468 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8469 Do not commit any edge insertion. Always compute dominators and
8470 create the allocation pool.
8471 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8472 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8473 * targhooks.c (default_min_divistions_for_recip_mul): New.
8474 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8475 * passes.c (init_optimization_passes): Run recip after tree loop
8477 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8479 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8480 Kenneth Zadeck <zadeck@naturalbridge.com>
8482 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8483 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8484 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8485 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8486 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8487 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8488 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8489 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8490 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8491 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8492 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8493 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8494 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8495 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8496 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8497 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8498 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8499 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8500 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8501 DF_SCAN_POST_ALLOC): New macros.
8502 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8503 df_free_bb_function, df_local_compute_function, df_init_function,
8504 df_dataflow_function, df_confluence_function_0,
8505 df_confluence_function_n, df_transfer_function,
8506 df_finalizer_function, df_free_function, df_dump_problem_function,
8507 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8508 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8509 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8510 df_urec_bb_info, ) New types.
8511 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8513 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8514 df_analyze_simple_change_some_blocks,
8515 df_analyze_simple_change_one_block, df_compact_blocks,
8516 df_bb_replace, df_bb_regno_last_use_find,
8517 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8518 df_insn_regno_def_p, df_find_def, df_find_use,
8519 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8520 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8521 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8522 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8523 debug_df_chain, df_get_dependent_problem, df_chain_create,
8524 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8525 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8526 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8527 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8528 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8529 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8530 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8531 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8532 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8533 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8534 df_reorganize_refs, df_set_state, df_hard_reg_init,
8535 df_read_modify_subreg_p) New public functions.
8536 * df-core.c: The core dataflow solver and glue routines for rtl
8538 (df_init, df_add_problem, df_set_blocks, df_finish,
8539 df_hybrid_search_forward, df_hybrid_search_backward,
8540 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8541 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8542 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8543 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8544 df_reg_defined, df_find_use, df_reg_used, df_dump,
8545 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8546 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8547 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8548 debug_df_useno, reset_df_after_reload): New functions.
8549 * df-scan.c: The scanning fuctions, once in df.c, completely
8550 rewritten so that they now fully model the functionality of
8551 register usage at the backend.
8552 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8553 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8554 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8555 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8556 df_get_artificial_defs, df_get_artificial_uses,
8557 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8558 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8559 df_refs_delete, df_reorganize_refs, df_set_state,
8560 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8561 df_def_record_1, df_defs_record, df_uses_record,
8562 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8563 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8564 df_record_exit_block_uses, df_hard_reg_init): New functions.
8566 * df-problems.c: Seven concrete dataflow problems that use the
8567 scanning in df-scan.c and are solved by the engine in df-core.c.
8568 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8569 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8570 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8571 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8572 df_ru_free_bb_info, df_ru_alloc,
8573 df_ru_bb_local_compute_process_def,
8574 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8575 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8576 df_ru_transfer_function, df_ru_free, df_ru_dump,
8577 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8578 df_rd_free_bb_info, df_rd_alloc,
8579 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8580 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8581 df_rd_transfer_function, df_rd_free, df_rd_dump,
8582 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8583 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8584 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8585 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8586 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8587 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8588 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8589 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8590 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8591 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8592 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8593 df_urec_mark_reg_use_for_earlyclobber,
8594 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8595 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8596 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8597 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8598 df_chain_create_bb_process_use, df_chain_create_bb,
8599 df_chain_finalize, df_chain_free, df_chains_dump,
8600 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8601 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8602 df_reg_lifetime): New functions.
8603 * df.c: Deleted file.
8604 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8605 consistent with new df api.
8606 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8607 rest_of_handle_sms): Ditto.
8608 * web.c (unionfind_union, union_defs, entry_register, web_main):
8610 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8611 invariant_expr_equal_p, find_defs, check_dependencies,
8612 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8613 free_inv_motion_data, move_loop_invariants): Ditto.
8614 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8615 Update dependencies.
8616 (odf.c): Added defective entry that was deleted later in day.
8617 * sched-deps.c (sched_analyze_1): Ditto.
8619 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8621 * tree-ssa-operands.c (get_expr_operands): Record addressable
8622 variables directly. Do not call add_stmt_operands for CONST_DECLs
8624 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8625 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8627 2006-01-11 Ben Elliston <bje@au.ibm.com>
8629 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8630 function returns true in the positive case.
8632 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8635 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8636 for SI, DI, SF and DF modes. Add alternatives to copy between
8637 general and floating point registers to the 32-bit patterns.
8638 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8639 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8640 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8641 generating 64-bit code.
8642 * config/pa/pa.c (output_move_double): Handle copies between general
8643 and floating registers.
8645 2006-01-10 Stuart Hastings <stuart@apple.com>
8647 * config/i386/i386.md (set_got): Update.
8648 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8649 (builtin_setjmp_receiver): Mach-O support.
8650 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8651 (GOT_SYMBOL_NAME): Define.
8652 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8653 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8654 * config/i386/i386.c (override_options): Revise for Darwin.
8655 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8656 support. (darwin_x86_file_end): New. (output_set_got): Add label
8657 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8658 * config/i386/i386-protos.h (output_set_got): Likewise.
8659 * config/darwin.c (machopic_legitimize_pic_address): Update
8662 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8664 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8665 when MODE isn't BLKmode.
8667 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8669 PR rtl-optimization/25367
8670 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8672 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8675 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8676 for a negative bound.
8678 2006-01-10 Richard Guenther <rguenther@suse.de>
8680 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8681 Never override with anything constraint.
8683 2006-01-10 Jan Beulich <jbeulich@novell.com>
8685 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
8686 256 bits when optimize_size.
8688 2006-01-10 Jan Beulich <jbeulich@novell.com>
8690 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
8692 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
8693 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
8696 2006-01-10 Ben Elliston <bje@au.ibm.com>
8698 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
8700 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
8701 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8702 (USE_FP_FOR_ARG): Reject decimal float modes.
8703 (function_arg_advance): Likewise.
8704 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
8705 (rs6000_handle_altivec_attribute): Do not permit decimal floating
8706 point types in AltiVec vectors.
8707 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
8708 (rs6000_libcall_value): Likewise.
8710 2006-01-09 Bob Wilson <bob.wilson@acm.org>
8712 * config/xtensa/ieee754-df.S: New file.
8713 * config/xtensa/ieee754-sf.S: New file.
8714 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
8715 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
8716 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
8718 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8720 * config/sh/predicates.md (binary_float_operator,
8721 binary_logical_operator, commutative_float_operator,
8722 equality_comparison_operator, greater_comparison_operator,
8723 less_comparison_operator, logical_operator,
8724 noncommutative_float_operator, shift_operator,
8725 symbol_ref_operand, unary_float_operator): Remove redundant
8728 2006-01-09 Jeff Law <law@redhat.com>
8730 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
8731 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
8732 now unused arguments. Callers updated.
8733 (eliminate_redundant_computations): Remove now unused arguments,
8735 (local_fold): Remove, no longer used.
8736 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
8738 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
8739 (simplify_cond): New function.
8740 (forward_propagate_into_cond): Call simplify_cond.
8742 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
8744 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
8745 (*vec_extractv2di_1_sse): New.
8747 2006-01-09 Ben Elliston <bje@au.ibm.com>
8749 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
8751 2006-01-08 Richard Guenther <rguenther@suse.de>
8753 * tree-ssa-structalias.c (get_constraint_for): Remove
8755 (get_constraint_for_component_ref): Likewise.
8756 (do_deref): Likewise.
8757 (get_constraint_for): Likewise.
8758 (do_structure_copy): Likewise.
8759 (handle_ptr_arith): Likewise.
8760 (find_func_aliases): Likewise. Remove unused need_anyoffset
8763 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
8764 Kaz Kojima <kkojima@gcc.gnu.org>
8766 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
8767 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8768 (EXTRA_CONSTRAINT_C16): Remove.
8769 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8770 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8771 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8772 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8773 constants of SHmedia. Handle nested constant expressions of
8775 (andcosts): Fix the costs for SHmedia constants.
8776 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8777 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8778 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8779 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8780 (movv4hi_i, movv2si_i): Likewise.
8781 (movsi_const): Adjust the second operand of ior so to match with
8783 (movdi_const, movdi_const_32bit): Likewise.
8784 (movdi_const_16bit+1): Don't sign-extend LOW.
8785 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8787 (*double_shori): Fix the split condition. Use GEN_INT instead
8788 of get_int_mode calls. Mask lower 16-bit of the argument of
8790 (sym2GOTPLT): Remove.
8791 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8793 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8794 instead of EXTRA_CONSTRAINT_C16.
8796 2006-01-07 Ian Lance Taylor <ian@airs.com>
8797 David Edelsohn <edelsohn@gnu.org>
8799 PR rtl-optimization/25662
8800 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8801 for constant operands instead of simplify_gen_binary.
8802 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8803 after trying simplify_binary_operation
8805 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8807 * tree.c (iterative_hash_expr): Hash decls based on UID.
8809 2006-01-06 Eric Christopher <echristo@apple.com>
8811 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8812 (TARGET_UNWIND_EMIT): Fix spelling.
8813 * target.h (gcc_target): Add except_table_label.
8814 * except.c (output_function_exception_table): Use.
8815 * varasm.c (default_emit_except_table_label): New.
8816 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8818 (asm_out): Add here.
8819 * output.h (default_emit_except_table_label): Prototype.
8820 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8821 * config/darwin.c (darwin_emit_except_table_label): Define.
8822 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8824 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8826 PR tree-optimization/18527
8827 * tree-ssa-loop-niter.c (number_of_iterations_cond,
8828 number_of_iterations_special, number_of_iterations_exit):
8829 Move base and step of an iv to a single structure. Add
8830 no_overflow flag, and use it in # of iterations analysis.
8831 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
8832 folded_casts argument.
8833 (simple_iv): Pass base and step in a structure. Set no_overflow
8835 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
8836 Evaluate expensiveness of computing # of iterations instead of
8837 the final expression.
8838 * tree-scalar-evolution.h (affine_iv): New structure.
8839 (simple_iv): Declaration changed.
8840 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
8841 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
8842 find_givs_in_stmt): Changed due to simple_iv change.
8844 2006-01-06 Jeff Law <law@redhat.com>
8847 * tree-cfg.c (bsi_replace): Rename final argument from
8848 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
8849 change (stmt -> orig_stmt).
8850 * tree-eh.c (verify_eh_throw_stmt_node): New function.
8851 (bsi_remove): Add new argument. Remove EH information
8853 (verify_eh_throw_table_statements): New function.
8854 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
8856 * tree-optimize.c (execute_free_cfg_annotations): Verify
8857 the EH throw statement table after removing annotations.
8858 * except.h (verify_eh_throw_table_statements): Prototype.
8859 * tree-flow.h (bsi_remove): Update prototype.
8860 * tree-vrp.c (remove_range_assertions): Add new argument to
8862 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
8863 * tree-complex.c (expand_complex_div_wide): Likewise.
8864 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
8865 * tree-tailcall.c (eliminate_tailcall): Likewise.
8866 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8867 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8868 * tree-nrv.c (tree_nrv): Likewise.
8869 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
8870 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
8871 (combine_blocks): Likewise.
8872 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
8873 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
8874 (cleanup_control_flow): Likewise.
8875 (remove_forwarder_block): Likewise.
8876 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8877 * tree-sra.c (sra_replace): Likewise.
8878 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
8879 (forward_propagate_single_use_vars): Likewise.
8880 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
8881 * tree-inline.c (expand_call_inline): Likewise.
8882 * tree-vect-transform.c (vect_transform_loop): Likewise.
8883 * tree-outof-ssa.c (rewrite_trees): Likewise.
8884 * tree-cfg.c (make_goto_expr_edges): Likewise.
8885 (cleanup_dead_labels): Likewise.
8886 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
8887 (bsi_move_before, bsi_move_after): Likewise.
8888 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
8889 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
8891 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
8894 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
8896 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
8897 on non gimple variables. Also add checks at the top for decls and
8899 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
8901 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
8902 and IMAGPART_EXPR for creating MUST_DEFs.
8903 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
8904 and NAME_MEMORY_TAG separately from the DECLs.
8906 2006-01-06 Richard Guenther <rguenther@suse.de>
8908 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
8909 annotation, if necessary.
8910 * tree-ssa-pre.c (create_expression_by_pieces): Remove
8911 redundant calls to update_stmt.
8912 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
8915 2006-01-05 Richard Henderson <rth@redhat.com>
8917 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
8919 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8921 * c-typeck.c: Update copyright date.
8923 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8925 * c-typeck.c (build_c_cast): Always warn when casting
8926 from a pointer to an integer of different size, even if
8927 the node was constant.
8929 2006-01-05 Richard Guenther <rguenther@suse.de>
8931 PR tree-optimization/22555
8932 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
8933 if one structure field is an array.
8934 * tree-ssa-operands.c (get_expr_operands): Continue scanning
8935 operands even if we found a subvar, but ignore VOPs in this
8937 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
8939 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
8941 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
8944 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
8946 2006-01-05 Richard Guenther <rguenther@suse.de>
8947 Diego Novillo <dnovillo@redhat.com>
8949 * tree-pass.h (TODO_remove_unused_locals): Define.
8950 * gimple-low.c (expand_var_p, remove_useless_vars,
8951 pass_remove_useless_vars): Remove. Update all users.
8952 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
8953 (remove_unused_locals): New function.
8954 * tree-flow.h (remove_unused_locals): Declare.
8955 * passes.c (execute_todo): Call remove_unused_locals if
8956 TODO_remove_unused_locals is set.
8957 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
8958 * tree-ssa-dce.c (pass_dce): Likewise.
8959 * tree-outof-ssa.c (pass_del_ssa): Likewise.
8961 2006-01-05 Richard Guenther <rguenther@suse.de>
8963 * tree-flow.h (struct fieldoff): Decompose field to
8964 type, size and decl.
8965 * tree-ssa-alias.c (create_sft): Take type as parameter.
8966 (create_overlap_variables_for): Store type, size and decl
8967 in the fieldoff structure.
8968 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
8970 (push_fields_onto_fieldstack): Likewise.
8971 (create_variable_info_for): Likewise. Use offset for the
8972 SFT name if the decl is not available.
8974 2006-01-04 Paul Brook <paul@codesourcery.com>
8976 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
8978 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
8980 * lambda-code.c (can_put_in_inner_loop): Relax
8982 (can_put_after_inner_loop): New function.
8983 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
8984 (perfect_nestify): Change to make copies and modify uses.
8986 2006-01-04 Richard Henderson <rth@redhat.com>
8988 Merge from gomp branch:
8989 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
8990 via integer constant.
8991 (pragma_lex): Remove.
8992 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
8993 rather than parsing it.
8994 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
8995 handle_pragma_extern_prefix): Add %< %> quotes.
8996 (registered_pragmas): New.
8997 (c_register_pragma_1): New.
8998 (c_register_pragma): Use it.
8999 (c_register_pragma_with_expansion): Likewise.
9000 (c_invoke_pragma_handler): New.
9001 (init_pragma): Use cpp_register_deferred_pragma directly for
9003 * c-pragma.h (enum pragma_kind): New.
9004 (pragma_handler): New.
9005 (c_invoke_pragma_handler): Declare.
9006 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9008 * c-common.h (c_common_pch_pragma): Update decl.
9009 * Makefile.in (c-parser.o): Update dependencies.
9010 (GTFILES): Add c-pragma.h.
9011 * c-parser.c (struct c_token): Add pragma_kind.
9012 (struct c_parser): Add in_pragma.
9013 (c_lex_one_token): Always initialize keyword and pragma_kind.
9014 Extract data for CPP_PRAGMA.
9015 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9016 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9017 Don't allow CPP_PRAGMA_EOL if in_pragma.
9018 (c_parser_consume_pragma): New.
9019 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9020 (c_parser_skip_to_end_of_parameter): Likewise.
9021 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9022 (c_parser_skip_to_pragma_eol): New.
9023 (c_parser_external_declaration): Handle CPP_PRAGMA.
9024 (c_parser_compound_statement_nostart): Likewise.
9025 (c_parser_statement_after_labels): Likewise.
9026 (c_parser_pragma): New.
9027 (pragma_lex): Likewise.
9028 (c_parser_pragma_pch_preprocess): New.
9029 (c_parser_new): Merge into ...
9030 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9032 2006-01-04 Jeff Law <law@redhat.com>
9035 * tree-cfg.c (bsi_replace): Remove the original statement
9036 from the EH throw statement table.
9038 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9040 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9041 make the prototype extern "C" and add throw ().
9044 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9045 and pos non-negative and pos + len <= 32.
9046 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9047 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9048 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9051 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9052 as well as sizes not multiple of component size.
9055 * function.c (instantiate_expr): New function.
9056 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9057 walk its DECL_VALUE_EXPR with instantiate_expr.
9059 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9060 DW_OP_deref{,_size} if address isn't going to be added.
9062 2006-01-04 Ben Elliston <bje@au.ibm.com>
9064 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9065 * config/fp-bit.c: Likewise.
9067 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9069 * dominance.c: Add comment about why we use DFS numbering
9072 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9073 Richard Henderson <rth@redhat.com>
9075 Merge from gomp-branch:
9076 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9077 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9079 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9081 PR rtl-optimization/25578
9082 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9083 pass a parameter to simplify_shift_const if changing ASHIFTRT
9086 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9088 * builtins.c (get_builtin_sync_mem): New function.
9089 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9090 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9091 Call get_builtin_sync_mem to generate mem rtx.
9093 2006-01-03 Richard Guenther <rguenther@suse.de>
9096 * stmt.c (add_case_node): Make sure to clear overflow flags
9099 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9101 Merge from gomp-branch.
9102 * config/sparc/sync.md: New file.
9103 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9104 UNSPECV_LDSTUB): New constants.
9105 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9106 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9107 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9110 2006-01-03 Roger Sayle <roger@eyesopen.com>
9112 * combine.c (reg_subword_p): New predicate to test whether the
9113 destination of a set refers to a subword/piece of a register.
9114 (try_combine): Generalize the code to merge the setting of a
9115 pseudo to a constant followed by a set of a subword of that
9116 register to a constant.
9118 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9120 * basic-block.h (control_flow_graph): Change the type of
9121 x_label_to_block_map to VEC(basic_block,gc) *.
9122 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9123 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9125 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9126 VEC(basic_block,heap) *.
9127 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9128 ssa_prop_fini): Adjust the uses of cfg_blocks.
9130 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9132 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9134 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9135 hashing trees instead of a pointer hash.
9136 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9137 compare for MEM_EXPR.
9139 PR rtl-optimization/25130
9140 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9141 when comparing MEMs for GCSE
9143 2006-01-03 Ben Elliston <bje@au.ibm.com>
9145 * targhooks.h (default_decimal_float_supported_p): Declare.
9146 * targhooks.c (default_decimal_float_supported_p): Define.
9147 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9148 `default_decimal_float_supported_p'.
9149 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9151 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9153 * combine.c (apply_distributive_law <SUBREG>): Check
9154 TRULY_NOOP_TRUNCATION.
9156 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9158 * dwarf2out.c (have_switched_text_section): Delete.
9159 (have_multiple_function_sections): New.
9160 (have_location_lists): Make 'bool'.
9161 (add_AT_loc_list): Use 'true' not '1'.
9162 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9163 (output_loc_list): Use have_multiple_function_sections.
9164 (output_ranges): Likewise.
9165 (dwarf2out_begin_function): Set have_multiple_function_sections if
9167 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9168 Check function_section rather than DECL_SECTION_NAME.
9169 (dwarf2out_finish): Use have_multiple_function_sections.
9170 Don't clear have_location_lists.
9172 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9173 Jan Hubicka <jh@suse.cz>
9175 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9176 case of conditional jump jumping to the next instruction.
9177 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9178 cases of conditional jump jumping to the next instruction.
9180 2006-01-02 Jan Hubicka <jh@suse.cz>
9182 * i386.c (*_cost): Add COSTS_N_INSNS.
9183 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9185 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9188 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9190 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9192 * config/arm/arm.c (all_fpus): Fix comment typo.
9193 * config/darwin.c: Likewise.
9194 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9195 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9196 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9198 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9200 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9201 (rs6000_split_compare_and_swapqhi): New.
9202 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9203 (sync_compare_and_swapqhi_internal): New.
9204 * config/rs6000/rs6000-protos.h: Declare.
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