1 2006-04-10 Roger Sayle <roger@eyesopen.com>
3 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
4 from ix86_expand_vector_init_low_nonzero. Take an additional
5 one_var argument indicating which element is non-zero. Support
6 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8 with one_var instead of ix86_expand_vector_init_low_nonzero.
10 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
12 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
13 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
14 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
15 build/genextract.o): Depend on vecprim.h.
16 * cfglayout.c, df-problems.c, function.c, genextract.c,
17 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
18 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
22 2006-04-10 Geoffrey Keating <geoffk@apple.com>
24 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
25 Declare VECs of this type.
26 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
27 (remove_children): Delete.
28 (add_dwarf_attr): Use VEC routines.
29 (add_AT_flag): Update for changes to add_dwarf_attr.
30 (add_AT_int): Likewise.
31 (add_AT_unsigned): Likewise.
32 (add_AT_long_long): Likewise.
33 (add_AT_vec): Likewise.
34 (add_AT_string): Likewise.
35 (add_AT_die_ref): Likewise.
36 (add_AT_fde_ref): Likewise.
37 (add_AT_loc): Likewise.
38 (add_AT_loc_list): Likewise.
39 (add_AT_addr): Likewise.
40 (add_AT_lbl_id): Likewise.
41 (add_AT_lineptr): Likewise.
42 (add_AT_macptr): Likewise.
43 (add_AT_offset): Likewise.
44 (add_AT_range_list): Likewise.
45 (get_AT): Use VEC_iterate.
46 (remove_AT): Use VEC_ordered_remove.
47 (free_die): Fold remove_children into here; have it use VEC_iterate.
48 (print_die): Use VEC_iterate on attrs.
49 (reverse_die_lists): Don't reverse attr lists.
50 (die_checksum): Use VEC_iterate on attrs.
51 (same_die_p): Likewise.
52 (output_location_lists): Likewise.
53 (build_abbrev_table): Likewise.
54 (size_of_die): Likewise.
55 (unmark_all_dies): Likewise.
56 (output_abbrev_section): Likewise.
57 (output_die): Likewise.
58 (prune_unused_types_walk_attribs): Likewise.
60 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
62 * doc/install.texi (*-*-solaris2*): Point to the configure page.
64 2006-04-10 Jakub Jelinek <jakub@redhat.com>
67 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
69 2006-04-09 Roger Sayle <roger@eyesopen.com>
71 * expr.c (store_constructor): Don't bother clearing target if
72 we're about to assign a vector to it using vec_init_optab.
74 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
76 * tree-ssa-alias.c (lhs_may_store_to): New function.
77 (recalculate_used_alone): Handle LHS of calls.
79 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
83 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
84 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
85 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
86 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
87 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
88 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
89 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
90 stubs. Add ".align 8" directives before all ".dword" directives.
91 (GTHREAD_USE_WEAK): Revise comment.
92 (TARGET_ATTRIBUTE_WEAK): Define.
93 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
94 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
95 * stublib.c: New file.
100 * pa.md (cbranch patterns): Revise arguments used in calls to
101 output_cbranch, output_bb and output_bvd. Add long branch length
103 (fbranch patterns): Handle long branches.
104 (jump): Revise length check. Revise arguments for output_lbranch call.
105 Add long branch length attributes.
106 (decrement_and_branch_until_zero): Add long branch length attributes.
107 (output_movb, output_parallel_addb and output_parallel_movb patterns):
108 Likewise. Revise arguments for output_parallel_addb and
109 output_parallel_movb calls.
110 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
111 output_parallel_movb and output_parallel_addb): Update prototypes.
112 * pa.c (output_cbranch): Revise arguments. Correct handling of
113 nullification in long branches.
114 (output_lbranch): Add new argument to control extraction of delay
116 (output_bb): Handle long branches.
117 (output_bvb, output_dbra, output_movb, output_parallel_movb,
118 output_parallel_addb): Likewise.
120 2006-04-09 Richard Sandiford <richard@codesourcery.com>
122 PR rtl-optimization/27073
123 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
126 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
128 * tree.h (tree_memory_tag): Add old_used_alone.
129 (SMT_OLD_USED_ALONE): New macro.
130 * tree-ssa-alias.c (recalculate_used_alone): Stop
131 marking things for renaming unnecessarily.
133 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
135 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
136 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
137 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
138 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
139 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
140 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
141 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
142 spelling convensions.
143 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
144 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
145 typos. Follow spelling conventions.
147 2006-04-07 DJ Delorie <dj@redhat.com>
149 * config/m32c/m32c.c (m32c_function_arg): Structures are always
151 (m32c_init_cumulative_args): When a function returns a structure,
152 always pass the pointer to that return area on the stack.
153 (m32c_function_arg_advance): Don't increment the parameter number
154 if we're processing the returned structure pointer.
155 (pushm_info): Reverse order of registers.
157 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
159 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
160 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
161 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
162 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
164 * tree-chrec.c (chrec_fold_multiply_poly_poly,
165 chrec_fold_multiply): Same.
166 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
167 force_expr_to_var_cost): Same.
168 * tree-mudflap.c (mf_xform_derefs_1): Same.
169 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
171 2006-04-07 David Edelsohn <edelsohn@gnu.org>
173 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
174 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
177 2006-04-07 Jan Hubicka <jh@suse.cz>
179 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
181 2006-04-07 Richard Guenther <rguenther@suse.de>
183 PR tree-optimization/26135
184 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
185 loads for store copy-prop.
186 (copy_prop_visit_stmt): Likewise.
188 2006-04-05 Robert Millan <robertmh@gnu.org>
190 * gcc/config/i386/linux.h: Add a comment to mark macros that are
191 being overriden in config/k*bsd-gnu.h.
192 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
194 * gcc/config/knetbsd-gnu.h: Ditto.
196 2006-04-06 Jan Hubicka <jh@suse.cz>
200 * coverage.c (coverage_checksum_string): Reorganize loop to not read
203 2006-04-06 Mike Stump <mrs@apple.com>
205 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
206 for HAVE_nonlocal_goto to be consistent.
207 (expand_builtin_nonlocal_goto): Likewise.
208 (expand_builtin_strcmp): Use #ifdef instead of #if
209 for HAVE_cmpstrnsi to be consistent.
211 2006-04-05 DJ Delorie <dj@redhat.com>
213 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
216 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
218 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
219 got-relative addressing for anything but SImode.
221 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
222 even if the calling function doesn't modify them.
224 2006-04-05 Richard Guenther <rguenther@suse.de>
226 PR tree-optimization/26919
227 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
228 to cgraph_estimate_size_after_inlining.
230 2006-04-05 Alan Modra <amodra@bigpond.net.au>
232 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
234 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
236 PR tree-optimization/26996
237 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
238 VECTOR_TYPE variables.
240 2006-04-05 Richard Guenther <rguenther@suse.de>
242 PR tree-optimization/26763
243 * fold-const.c (fold_comparison): Move folding of
244 PTR + CST CMP PTR + CST ...
245 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
247 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
249 * doc/install.texi (Prerequisites): Refine some wording on
250 bootstrapping and ksh.
251 Move the version numbers of DejaGnu here from the testing section
252 and fix casing of names.
253 Fix markup and clarify wording for autogen requirements.
254 Refer to GCJ instead of just java.
255 Refer to SVN instead of CVS.
256 Describe diffutils as useful instead of necessary.
257 (Downloading the source): Refer to SVN instead of CVS.
258 Adjust a link to our web site accordingly.
259 (Configuration): Fix casing of Bison.
260 (Building): Refer to SVN instead of CVS.
261 Fix a sentence on the use of Bison and remove duplicate (and
262 incorrect) version number of Bison requirement.
263 Remove one redundant list of packages needed for building.
264 (Specific): Avoid reference to CVS.
266 2006-04-04 Eric Christopher <echristo@apple.com>
268 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
269 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
270 (rs6000_handle_struct_attribute): New.
271 (rs6000_ms_bitfield_layout_p): Ditto.
273 2006-04-04 Geoffrey Keating <geoffk@apple.com>
275 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
276 NULL for dso parameter to atexit_common.
278 2006-04-04 Eric Christopher <echristo@apple.com>
280 * config/i386/i386.c (machopic_output_stub): Output \t
281 between instructions and operands.
283 2006-04-04 David Edelsohn <edelsohn@gnu.org>
285 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
286 satisfies_constraint_[IL] to explicit tests on value.
288 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
290 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
291 set_nb_iterations_in_loop): Use build_int_cst instead of
293 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
294 build_int_cst instead of convert.
296 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
298 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
299 new value 2 for incoming.
300 * function.c (expand_function_start): Call struct_value_rtx
302 * config/sparc/sparc.md: Comment updated_return.
303 * config/sparc/sparc.opt: Add -mstd-struct-return option.
304 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
305 struct return if sparc_std_struct_return and incoming is 2.
306 (print_operand): Do not adjust return if
307 sparc_std_struct_return.
309 2006-04-04 Roger Sayle <roger@eyesopen.com>
311 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
312 convert in the middle-end.
313 * expr.c (store_expr, store_constructor, get_inner_reference,
314 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
316 * tree.c (build_range_type): Likewise.
318 2006-04-04 Tom Tromey <tromey@redhat.com>
320 * doc/install.texi (Prerequisites): Mention jar.
322 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
324 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
327 2006-04-04 Matthias Klose <doko@debian.org>
329 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
331 2006-04-03 Geoffrey Keating <geoffk@apple.com>
333 * doc/extend.texi (Function Attributes): Rewrite visibility
334 attribute documentation.
335 * doc/invoke.texi (C++ Dialect Options): Rewrite
336 -fvisibility-inlines-hidden documentation to describe something
337 entirely different, although in practise compatible.
338 (Code Gen Options): Warn about system headers in -fvisibiltity=
341 * doc/extend.texi (Other Builtins): Document that
342 __builtin_nan is a compile-time constant only when its argument
345 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
347 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
348 trying to remove TRUNCATE check if all bits outside the new mode
349 are identical to the sign bit.
351 2006-04-03 Jeff Law <law@redhat.com>
353 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
354 and operand scanning in some common cases.
356 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
357 Dale Johannesen <dalej@apple.com>
360 * regclass.c (struct reg_pref): Update documentation.
361 (regclass): Set prefclass to NO_REGS if memory is the best option.
362 (record_reg_classes): Cope with a prefclass set to NO_REGS.
363 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
364 into account. For non-registers, equate an empty preferred
365 reload class to a `!' in the constraint; move the if clause to
366 do so after those that reject the insn.
367 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
369 (find_dummy_reload): Likewise.
370 * doc/tm.texi (Register Classes): Document what it means
371 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
372 * config/i386/i386.c (ix86_preferred_reload_class): Force
373 using SSE registers (and return NO_REGS for floating-point
374 constants) if math is done with SSE.
375 (ix86_preferred_output_reload_class): New.
376 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
377 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
378 * config/i386/i386.md: Remove # register preferences.
380 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
383 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
384 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
386 (instantiate_parameters_1): Convert the operands before calling
387 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
388 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
390 2006-04-02 Roger Sayle <roger@eyesopen.com>
392 * builtins.c (dummy_object): Use build_int_cst instead of convert.
393 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
395 * dojump.c (do_jump): Likewise.
396 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
397 * gimplify.c (gimple_boolify, gimplify_init_constructor,
398 gimplify_boolean_expr): Likewise.
399 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
400 * varasm.c (array_size_for_constructor): Likewise.
401 * tree-object-size.c (compute_object_offset): Likewise.
403 2006-04-02 Roger Sayle <roger@eyesopen.com>
406 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
407 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
409 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
411 PR tree-optimization/26939
412 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
414 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
416 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
417 at_stmt. Convert the type of operands before calling
418 build_polynomial_chrec.
419 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
421 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
422 (instantiate_parameters_1): Convert the type of operands before calling
423 build_polynomial_chrec.
424 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
425 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
426 reset_evolution_in_loop): Insert asserts to check the types of the
428 (chrec_type): Moved...
429 (eq_evolutions_p): Use operand_equal_p.
430 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
431 the types of the operands.
432 (chrec_type): ...here.
433 * tree-data-ref.c (create_data_ref): Convert the operands before
434 calling chrec_replace_initial_condition.
435 (same_access_functions, analyze_subscript_affine_affine,
436 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
437 (compute_subscript_distance, analyze_ziv_subscript,
438 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
439 analyze_miv_subscript): Convert the operands before calling
440 chrec_fold_minus or chrec_fold_plus.
442 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
444 * tree-data-ref.c (compute_all_dependences): Use a pointer to
445 the dependence_relations vector.
446 (compute_data_dependences_for_loop): Adjust call to
447 compute_all_dependences.
449 2006-04-01 Roger Sayle <roger@eyesopen.com>
450 Richard Henderson <rth@redhat.com>
452 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
453 gimple_boolify on the condition before calling gimplify_expr.
455 2006-03-31 Bob Wilson <bob.wilson@acm.org>
457 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
458 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
459 the frame size. Update to use the new macros.
460 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
461 * config/xtensa/ieee754-df.S: Likewise.
463 2006-03-31 Richard Henderson <rth@redhat.com>
465 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
466 (make_edges): ... here. Control fallthru creation with a local
467 variable. Do not play with fake edges.
468 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
469 (make_goto_expr_edges): Don't play with fake edges. Make for_call
472 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
474 * dwarf2.h (DW64_CIE_ID): Define.
475 * dwarf2out.c (DWARF_CIE_ID): Define.
476 (output_call_frame_info): Output 0xffffffff before standard 8-byte
477 length header. Use DWARF_CIE_ID.
478 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
479 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
481 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
483 * config/sh/linux-atomic.asm: New file.
484 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
486 2006-03-31 DJ Delorie <dj@redhat.com>
488 * config/m32c/cond.md: Set condition flags properly throughout.
489 * config/m32c/minmax.md: Likewise.
490 * config/m32c/prologue.md: Likewise.
491 * config/m32c/bitops.md: Likewise.
492 * config/m32c/muldiv.md: Likewise.
493 * config/m32c/mov.md: Likewise.
494 * config/m32c/addsub.md: Likewise.
495 * config/m32c/m32c.md: Likewise.
496 * config/m32c/jump.md: Likewise.
497 * config/m32c/shift.md: Likewise.
499 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
500 conditionally output the pattern for this.
501 * config/m32c/m32c.c (flags_needed_for_conditional): New.
502 (m32c_compare_redundant): New.
503 (m32c_output_compare): New.
504 * config/m32c/m32c-protos.h (m32c_output_compare): New.
506 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
507 dest, not src. Allow other 4-byte modes.
509 2006-03-30 Denis Chertykov <denisc@overta.ru>
511 * doc/md.texi: Refer to avr/constraints.md instead of
514 2006-03-30 Roger Sayle <roger@eyesopen.com>
516 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
517 signed vs. unsigned comparison failures on some hosts.
519 2006-03-31 Alan Modra <amodra@bigpond.net.au>
522 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
523 change to FLOAT_REGS.
525 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
526 (rs6000_override_options): Use it.
527 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
528 only for -mabi=spe/no-spe and -mabi=altivec.
530 2006-03-30 Geoffrey Keating <geoffk@apple.com>
532 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
535 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
537 * Makefile.in: Rename docdir to gcc_docdir.
539 2006-03-30 Roger Sayle <roger@eyesopen.com>
542 * expr.c (emit_group_store): Optimize group stores into a pseudo
543 register by using a paradoxical subreg to initialize the destination
544 if the first or last member of the group specifies a "low part".
546 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
549 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
550 * target.h (struct gcc_target.speculate_insn): Change type of the
551 second parameter to 'int'.
552 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
553 the second operand of the DEPS_LIST.
554 (copy_DEPS_LIST_list): Update reference to the second operand of the
556 * rtl.h (alloc_DEPS_LIST): Update signature.
557 * sched-int.h (ds_t): Change typedef to 'int'.
558 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
560 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
562 * haifa-sched.c (try_ready): Change condition to restore
563 non-speculative pattern of the instruction.
564 (process_insn_depend_be_in_spec): Code to keep probability of the
565 speculative dependence non-decreasing.
567 2006-03-30 Jie Zhang <jie.zhang@analog.com>
569 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
570 (single_move_for_movmem): ... this. Also change all uses.
571 (bfin_expand_strmov): Renamed to...
572 (bfin_expand_movmem): ... this. Also change all uses.
573 * config/bfin/bfin.md (movstrsi): Renamed to...
576 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
578 PR tree-optimization/26830
580 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
581 (copy_prop_visit_stmt): Remove write-only variable ann.
582 (init_copy_prop): Check variable loop depth here. Do not simulate
583 memory-tag and virtual operand PHIs except for store copy prop.
585 2006-03-30 Richard Guenther <rguenther@suse.de>
587 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
588 variants with double arguments.
590 2006-03-29 David Edelsohn <edelsohn@gnu.org>
592 * genpreds.c (write_tm_constrs_h): Delete variable p.
593 * genconditions.c (write_header): Add tm-constrs.h to included
595 * genpeep.c (main): Add toplev.h to included headers.
596 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
597 (build/genpeep.o): Add toplev.h dependency.
598 * config/rs6000/constraints.md: Add "W" constraint.
600 2006-03-29 Roger Sayle <roger@eyesopen.com>
602 * stor-layout.c (mode_for_size_tree): Remove restiction on type
603 sizes by correctly testing whether the size fits a host integer.
604 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
605 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
606 SImode range for the default sizetype and bitsizetype.
608 2006-03-29 Roger Sayle <roger@eyesopen.com>
610 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
611 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
612 quickly if the argument is already of the correct type.
613 Call fold_build1 instead of build1. Tidy up blank lines.
615 2006-03-29 David Edelsohn <edelsohn@gnu.org>
617 * genemit.c (main): Add tm-constrs.h to included headers.
618 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
619 * genpeep.c (main): Add tm-constrs.h to included headers.
620 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
621 (write_tm_constrs_h): this and write complete file.
622 (write_tm_preds_h): Do not emit satisfies_constraint fns.
623 (write_insn_preds_c): Add tm-constrs.h to included headers.
624 (gen_constrs): New variable.
625 (parse_option): Parse "-c".
626 (main): Invoke write_tm_constrs_h.
627 * genrecog.c (write_header): Add tm-constrs.h to included headers.
628 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
629 (object_out_file): Add tm-constrs.h dependency.
631 (insn-output.o): Same.
633 (insn-preds.o): Same.
634 (insn-recog.o): Same.
635 (tm-constsr.h): New target.
636 (s-constrs-h): New target.
638 * config/rs6000/constraints.md: New file.
639 * config/rs6000/rs6000.c: Include tm-constrs.h.
640 (num_insn_constant_wide): Convert to satisfies_constraint.
641 (rs6000_rtx_costs): Convert to satisfies_constraint.
642 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
643 (CONST_OK_FOR_LETTER_P): Delete.
644 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
645 (EXTRA_CONSTRAINT): Delete.
646 (EXTRA_MEMORY_CONSTRAINT): Delete.
647 (EXTRA_ADDRESS_CONSTRAINT): Delete.
648 * config/rs6000/predicates.md: Convert to satisfies_constraint.
649 * config/rs6000/rs6000.md: Include constraints.md. Convert to
650 satisfies_constraint.
652 * config/i386/i386.c: Include tm-constrs.h.
654 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
656 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
657 * tree-data-ref.c (find_data_references_in_loop,
658 compute_data_dependences_for_loop): Use pointers to VEC.
659 (analyze_all_data_dependences): Adjust calls.
660 * tree-data-ref.h (find_data_references_in_loop,
661 compute_data_dependences_for_loop): Adjust declarations.
662 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
663 compute_data_dependences_for_loop.
665 2006-03-29 Paul Brook <paul@codesourcery.com>
667 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
670 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
672 PR tree-optimization/26859
673 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
675 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
676 for the step after fold_convert.
678 2006-03-29 Paul Brook <paul@codesourcery.com>
680 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
681 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
683 2006-03-29 Paul Brook <paul@codesourcery.com>
686 * targhooks.c (default_narrow_bitfield): New fuction.
687 * targhooks.h (default_narrow_bitfield): add prototype.
688 * target.h (gcc_target): Add narrow_volatile_bitfield.
689 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
690 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
691 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
692 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
694 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
696 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
698 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
699 (NR_C_MODES): Add TDmode, DDmode and SDmode.
700 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
701 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
702 (s390_function_arg_float): Allow SDmode and DDmode values to be
703 passed in floating point registers.
704 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
705 check with SCALAR_FLOAT_MODE_P.
706 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
708 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
710 PR tree-optimization/25985
711 * tree-ssa-loop-niter.c (number_of_iterations_le,
712 number_of_iterations_ne): Make comments more precise.
713 (number_of_iterations_cond): Add only_exit argument. Use the
714 fact that signed variables do not overflow only when only_exit
716 (loop_only_exit_p): New.
717 (number_of_iterations_exit): Pass result of loop_only_exit_p to
718 number_of_iterations_cond.
720 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
722 PR tree-optimization/26643
723 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
726 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
728 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
729 (divsi3_i4_int): Likewise.
731 2006-03-28 Roger Sayle <roger@eyesopen.com>
733 * expr.c (emit_group_store): Only create a new pseudo reg if the
734 quantity it needs to hold isn't already a suitable pseudo.
736 2006-03-28 Jeff Law <law@redhat.com>
738 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
739 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
741 2006-03-28 Roger Sayle <roger@eyesopen.com>
743 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
744 the equivalent ~X & Y, and the symmetry related transformations.
745 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
746 ~X & Y, and symmetry related transforms.
748 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
750 Revert my 2006-03-27 patches.
752 2006-03-28 Roger Sayle <roger@eyesopen.com>
754 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
755 ~(T1)X, when T1 and T2 are integer types of the same precision
756 and (T2)X isn't an extension.
758 2006-03-28 Jeff Law <law@redhat.com>
760 PR tree-optimization/26796
761 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
762 need EH edge cleanups rather than purging them immediately.
763 (eliminate_degenerate_phis): Handle queued EH cleanups.
765 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
767 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
770 2006-03-27 Roger Sayle <roger@eyesopen.com>
773 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
774 cast BIT_NOT_EXPR operand to the correct type.
776 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
778 * tree-loop-linear.c: Don't include varray.h.
779 (gather_interchange_stats, try_interchange_loops,
780 linear_transform_loops): Use VEC instead of VARRAY.
781 * lambda-mat.c: Don't include varray.h.
782 * tree-chrec.c: Same.
783 * lambda-trans.c: Same.
784 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
785 VEC instead of VARRAY.
786 * tree-vectorizer.h: Idem.
787 * tree-data-ref.c (dump_data_references,
788 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
789 initialize_data_dependence_relation, finalize_ddr_dependent,
790 compute_all_dependences, find_data_references_in_loop,
791 compute_data_dependences_for_loop, analyze_all_data_dependences,
792 free_dependence_relation, free_dependence_relations,
793 free_data_refs): Idem.
794 * tree-data-ref.h (data_reference_p, subscript_p): New.
795 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
796 VEC instead of VARRAY.
797 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
798 (find_data_references_in_loop, compute_data_dependences_for_loop,
799 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
800 dump_data_dependence_relations, free_dependence_relations,
801 free_data_refs): Adjust declaration.
802 (lambda_transform_legal_p): Move declaration here...
803 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
804 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
805 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
806 vect_analyze_data_refs): Use VEC instead of VARRAY.
807 * lambda.h (lambda_transform_legal_p): ...from here.
808 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
809 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
810 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
811 tree-chrec.o): Don't depend on VARRAY_H.
813 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
815 * rtl.def (Copyright): Update date.
816 (DEPS_LIST): Change type of the second operand to 'int'.
817 * target.h (Copyright): Update date.
818 (struct gcc_target.speculate_insn): Change type of the second parameter
820 * lists.c (Copyright): Update date.
821 (alloc_DEPS_LIST): Change signature. Update reference to the second
822 operand of the DEPS_LIST.
823 (copy_DEPS_LIST_list): Update reference to the second operand of the
825 * rtl.h (Copyright): Update date.
826 (alloc_DEPS_LIST): Update signature.
827 * sched-int.h (Copyright): Update date.
828 (ds_t): Change typedef to 'int'.
829 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
831 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
833 * haifa-sched.c (Copyright): Update date.
834 (try_ready): Change condition to restore non-speculative pattern
836 (process_insn_depend_be_in_spec): Code to keep probability of the
837 speculative dependence non-decreasing.
839 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
841 * regrename.c (replace_oldest_value_addr): Initialize a variable to
842 shut up the compiler.
844 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
846 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
847 to use lib prefix for target.
848 ($(T)libic_invalidate_array_4-200.a): Likewise.
849 ($(T)libic_invalidate_array_4a.a): Likewise.
851 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
852 J"orn Rennecke <joern.rennecke@st.com>
854 * superh.opt: New file.
855 * sh.c (boardtype, osruntime): Remove.
856 * superh.h (SUBTARGET_OPTIONS): Remove.
857 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
859 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
860 arguments with ^ and/or [].
862 * config.gcc (sh-*-*): Add quoting to account for quirk of
864 Replace == with = in enable_incomplete_targets test.
866 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
867 with MASK_LITTLE_ENDIAN.
869 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
870 * config/sh/sh.opt: Added to some comments.
871 * config/sh/superh.h: Removed some chaff.
873 * config/sh/sh.opt: Add m4-[1234]00* options.
874 * config/sh/sh.c (sh_handle_option): Likewise.
875 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
876 (ic_invalidate_array_4-100.o): New rule.
877 ($(T)libic_invalidate_array_4-100.a): Likewise.
878 (ic_invalidate_array_4-200.o): Likewise.
879 ($(T)libic_invalidate_array_4-200.a): Likewise.
880 (ic_invalidate_array_4a.o): Likewise.
881 ($(T)libic_invalidate_array_4a.a): Likewise.
882 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
883 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
885 * config/sh/crt1.asm: Merged in profiling code.
886 * config/sh/superh.h (STARTFILE_SPEC): Override.
887 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
888 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
889 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
891 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
892 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
893 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
895 * sh.opt (mpretend-cmove): New option.
896 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
897 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
898 (movsicc): Add TARGET_PRETEND_CMOVE code.
900 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
902 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
903 s390_class_max_nregs): New function prototypes.
904 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
905 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
906 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
907 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
909 2006-03-26 Geoffrey Keating <geoffk@apple.com>
911 * dwarf2out.c (add_location_or_const_value_attribute): Call
912 tree_add_const_value_attribute if nothing else works.
913 (reference_to_unused): New.
914 (rtl_for_decl_init): Use reference_to_unused to decide whether
915 to output an initializer.
917 2006-03-27 Alan Modra <amodra@bigpond.net.au>
920 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
921 peephole removing spe frob_di_df_2.
923 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
925 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
926 (subscript_dependence_tester_1): Declared.
927 (print_dir_vectors, print_dist_vectors): New.
928 (debug_data_dependence_relation): New.
929 (dump_data_dependence_relation): Print more details.
930 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
931 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
932 (save_dist_v, save_dir_v, add_outer_distances,
933 build_classic_dist_vector_1): New.
934 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
935 Don't test for lambda_vector_lexico_pos.
936 (same_access_functions, add_multivariate_self_dist,
937 add_other_self_distances, dir_from_dist): New.
938 (build_classic_dir_vector): Replace implementation almost identical to
939 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
941 (subscript_dependence_tester_1): New.
942 (subscript_dependence_tester): Handle the lexicographically negative
943 distance vectors by recomputing the dependence relation.
944 (compute_affine_dependence): Remove parameter loop_nest_depth.
945 (compute_self_dependence): Don't call compute_subscript_distance.
946 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
947 Add a parameter for the loop_nest.
948 (find_loop_nest_1, find_loop_nest): New.
949 (compute_data_dependences_for_loop): Compute the loop nest, and give
950 up if the nest is not well formed.
951 * tree-data-ref.h (loop_p): New.
952 (struct data_dependence_relation): Replace size_vect field with
953 loop_nest, a vec of loops.
954 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
955 (DDR_LOOP_NEST): New.
956 (print_dir_vectors, print_dist_vectors,
957 debug_data_dependence_relation): Declared.
958 (index_in_loop_nest): New.
959 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
960 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
963 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
965 * simplify-rtx.c (simplify_relational_operation): Call
966 simplify_relational_operation_1 even if mode is VOIDmode.
968 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
970 PR tree-optimization/26804
971 * tree.h (DECL_CALL_CLOBBERED): New macro.
972 (tree_decl_common): Add call_clobbered_flag.
973 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
974 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
975 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
976 (mark_non_addressable): Ditto.
977 * tree-ssa.c (verify_call_clobbered): New function.
978 (verify_alias_info): Use it.
979 * tree-pass.h (pass_reset_cc_flags): New prototype.
980 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
981 (reset_cc_flags): New function.
982 * passes.c (init_optimization_passes): Call reset_cc_flags after
983 initializing referenced_vars.
985 2006-03-25 Uros Bizjak <uros@kss-loka.si>
986 Roger Sayle <roger@eyesopen.com>
989 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
990 to 1.0 for non-real operands. Implement A / A optimization for
993 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
995 * config/i386/i386.c (size_cost): Correct the comment for
996 cost of storing fp registers.
997 (i386_cost): Likewise.
998 (i486_cost): Likewise.
999 (pentium_cost): Likewise.
1000 (pentiumpro_cost): Likewise.
1001 (k6_cost): Likewise.
1002 (athlon_cost): Likewise.
1003 (k8_cost): Likewise.
1004 (pentium4_cost): Likewise.
1005 (nocona_cost): Likewise.
1006 (generic64_cost): Likewise.
1007 (generic32_cost): Likewise.
1009 2006-03-24 Denis Chertykov <denisc@overta.ru>
1011 * config/avr/avr-protos.h (extra_constraint): Delete.
1012 (extra_constraint_Q): New declaration.
1013 * config/avr/constraints.md: New file.
1014 * config/avr/avr.md: Include it.
1015 (REG_X, REG_Y, REG_Z, REG_W): New constants.
1016 (TMP_REGNO, ZERO_REGNO): Likewise.
1017 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
1018 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
1019 (extra_constraint): Delete.
1020 (extra_constraint_Q): Test for memory constraint 'Q'.
1021 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
1022 (REG_CLASS_FROM_LETTER): Delete.
1023 (CONST_OK_FOR_LETTER_P): Delete.
1024 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1025 (EXTRA_CONSTRAINT): Delete.
1026 (TMP_REGNO): Delete.
1027 (ZERO_REGNO): Delete.
1029 2006-03-24 Jeff Law <law@redhat.com>
1031 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
1032 directly. Call mark_new_vars_to_rename slightly earlier.
1034 2006-03-24 Geoffrey Keating <geoffk@apple.com>
1036 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
1038 (gen_compile_unit_die): Use new language types for Objective-C and
1040 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
1041 DW_LANG_C_plus_plus.
1044 * config/t-darwin (crt3.o): Work around bug 26840.
1045 * config/darwin-crt3.c: Rewrite.
1046 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
1048 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
1050 * doc/invoke.texi: Document -femit-class-debug-always
1051 * common.opt: Add -femit-class-debug-always.
1053 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
1055 * config/s390/s390.c (s390_decompose_address): Allow SImode for
1056 index and base register.
1057 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
1058 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
1059 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
1060 REGNO_OK_FOR_INDEX_P.
1061 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
1063 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
1064 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
1065 REG_OK_FOR_BASE_P): Definitions removed.
1067 2006-03-24 Jakub Jelinek <jakub@redhat.com>
1070 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
1071 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
1072 set yet or weren't marked as local yet.
1074 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
1076 * regrename.c (scan_rtx_address): Initialize a variable to shut up
1079 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
1081 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
1082 (rs6000_legitimate_small_data_p): Delete.
1083 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
1084 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
1085 and make static. Add forward declaration. Update uses.
1086 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
1087 of offsettable_memref_p.
1088 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
1089 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
1091 2006-03-24 Jeff Law <law@redhat.com>
1093 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
1094 around bug in immediate-use iterator.
1096 2006-03-24 Alan Modra <amodra@bigpond.net.au>
1099 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
1100 or __LITTLE_ENDIAN__.
1102 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
1104 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
1105 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
1106 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
1107 * config/sh/sh.opt (mdiv=): Amend description.
1108 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
1109 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
1110 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
1111 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
1112 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
1113 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
1114 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
1115 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
1116 TARGET_DIVIDE_CALL_FP.
1118 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1120 * haifa-sched.c (choose_ready): Fix type of the local variable.
1121 Move local variables. Add comment.
1122 (check_reg_live): Change signature. Make callable from debugger.
1123 * sched-int.h (check_reg_live): Update signature.
1124 * sched-ebb.c (check_reg_live): Update parameters.
1125 * sched-rgn.c (check_reg_live): Ditto.
1126 (region_head_or_leaf_p): Check pointer before dereferencing.
1127 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1128 before reload on optimization levels below 1.
1130 2006-03-23 Richard Henderson <rth@redhat.com>
1132 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1136 * config/alpha/predicates.md (local_symbolic_operand): Reject
1139 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1142 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1143 expressions which have overflowed constants.
1145 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1147 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1149 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1151 * cfgloopmanip.c (create_loop_notes): Removed.
1152 * final.c (final_scan_insn): Do not handle loop notes.
1153 * jump.c (squeeze_notes): Ditto.
1154 * cfglayout.c (skip_insns_after_block,
1155 duplicate_insn_chain): Ditto.
1156 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1158 * cfgloop.h (create_loop_notes): Declaration removed.
1160 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1162 * varasm.c (output_constant_pool): Restore fnname and fndecl
1164 (assemble_start_function): Adjust call accordingly.
1165 (assemble_end_function): Likewise.
1167 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1170 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1173 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1175 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1178 * system.h (ICE_EXIT_CODE): New macro.
1179 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1180 (diagnostic_action_after_output): Likewise.
1181 * gcc.c (fatal_ice): New function.
1182 (execute): Use it instead of fatal.
1183 (fancy_abort): Likewise.
1184 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1186 2006-03-22 Jeff Law <law@redhat.com>
1188 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1189 iv_analyze_result returning false.
1191 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1193 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1195 2006-03-22 Richard Henderson <rth@redhat.com>
1198 * except.c (duplicate_eh_regions_0): New.
1199 (duplicate_eh_region_1): Duplicate the children of the node as
1200 well as the node itself. Link them up properly.
1201 (duplicate_eh_region_2): Merge into ...
1202 (duplicate_eh_regions): ... here. Take copy_region argument, and
1203 copy only a sub-tree if asked. Simplify copying and fixup.
1204 (eh_region_outer_p): New.
1205 * except.h (duplicate_eh_regions): Update decl.
1206 (eh_region_outer_p): Declare.
1207 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1208 (lower_omp_master): Likewise.
1209 (lower_omp_ordered): Likewise.
1210 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1211 (move_stmt_r): Use it to remap labels. Handle recursion vs
1212 remap_decls_p properly.
1213 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1214 (find_outermost_region_in_block): New.
1215 (new_label_mapper): New.
1216 (move_sese_region_to_fn): Copy eh information to the new function
1218 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1220 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1223 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1225 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1226 into shared libraries.
1228 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1230 * doc/md.texi: Refer to i386/constraints.md instead of
1232 * config/i386/constraints.md: New file, extracted from...
1233 * config/i386/predicates.md: ...here.
1234 * config/i386/i386.md: Include constraints.md.
1236 2006-03-21 Jason Merrill <jason@redhat.com>
1238 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1241 * expr.c (init_block_move_fn): Force default visibility.
1242 (init_block_clear_fn): Likewise.
1243 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1244 * targhooks.c (default_external_stack_protect_fail): Likewise.
1246 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1248 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1249 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1250 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1251 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1252 (loadgp): Use mips_current_loadgp_style.
1253 (loadgp_noshared): New pattern.
1254 (sibcall_internal): Use MIPS_CALL.
1255 (sibcall_value_internal): Likewise.
1256 (sibcall_value_multiple_internal): Likewise.
1257 (call_internal): Likewise.
1258 (call_value_internal): Likewise.
1259 (call_value_multiple_internal): Likewise.
1260 (call_split): Use MIPS_CALL and add an 'S' constraint.
1261 (call_value_split): Likewise.
1262 (call_value_multiple_split): Likewise.
1263 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1264 (-mshared): New option.
1265 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1266 (mips_current_loadgp_style): Declare.
1267 * config/mips/mips.c (mips_classify_symbol): Avoid using
1268 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1269 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1270 TARGET_ABSOLUTE_ABICALLS.
1271 (override_options): Adjust comments. Improve the warning that is
1272 issued when -mabicalls and -G are used together.
1273 (mips_file_start): Remove comment.
1274 (mips_current_loadgp_style): New function.
1275 (mips_gnu_local_gp): New variable.
1276 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1278 (mips_output_function_prologue): Use mips_current_laodgp_style.
1279 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1280 the cprestore instruction.
1281 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1282 live for TARGET_ABSOLUTE_ABICALLS.
1283 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1284 (ASM_SPEC): Pass down -mshared and -mno-shared.
1285 (MIPS_CALL): New macro.
1286 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1288 * doc/invoke.texi (-mabicalls): Update documentation.
1289 (-mshared): Document.
1291 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1293 * config/ia64/unwind-hpux.c: New file.
1294 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1296 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1299 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1301 2006-03-21 Jeff Law <law@redhat.com>
1303 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1304 type conversions of a VR_VARYING source to a wider type.
1306 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1308 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1309 tm_file on Solaris 10 and later.
1310 (sparc64-*-solaris2*): Likewise.
1311 (sparc-*-solaris2*): Likewise.
1312 * config/sol26.h: Rename to config/sol2-6.h.
1313 * config/sol2-10.h: New file.
1315 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1318 * tree-ssa-pre.c (create_component_ref_by_pieces):
1321 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1324 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1325 return it immediately.
1327 2006-03-21 Michael Matz <matz@suse.de>
1329 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1331 (remove_arc, add_arc): Update num_out_arcs member.
1332 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1334 (cache_presence): New function.
1335 (compare_states_for_equiv): New function.
1336 (state_is_differed): Don't take number of outargs, adjust callers.
1337 Use new invariant for speeding up.
1338 (init_equiv_class): Create initial classes based on sorted
1340 (partition_equiv_class): Don't track out_arcs_num.
1341 (evaluate_equiv_classes): Call cache_presence on all states and
1344 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1346 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1347 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1348 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1349 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1351 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1352 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1353 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1354 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1355 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1357 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1358 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1359 (REGNO_REG_CLASS): ARGP is in PREGS.
1360 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1362 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1363 to deal with those addresses.
1364 * addresses.h: New file.
1365 * caller-save.c: Include "addresses.h".
1366 (init_caller_save): Use new base_reg_class function.
1367 * rtl-factoring.c: Include "addresses.h".
1368 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1369 * recog.c: Include "addresses.h".
1370 (preprocess_constraints): Use new base_reg_class function.
1371 * regrename.c: Include "addresses.h".
1372 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1373 functions. Keep track of a new var INDEX_CODE to compute valid
1375 (replace_oldest_value_addr): Likewise.
1376 (replace_oldest_value_mem): Use base_reg_class.
1377 * reload.c: Include "addresses.h".
1378 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1379 (find_reloads): Use new base_reg_class function.
1380 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1381 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1382 all callers and prototype changed.
1383 * reload1.c: Include "addresses.h".
1384 (maybe_fix_stack_asms): Use base_reg_class.
1385 * regclass.c: Include "addresses.h".
1386 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1387 (init_reg_autoinc): Use new base_reg_class function.
1388 (record_reg_classes): Likewise.
1389 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1390 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1391 Use new args to compute necessary class.
1393 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1394 regrename.o, rtl-factoring.o): Update dependencies.
1395 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1396 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1397 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1398 REG_OK_FOR_INDEX_P): Delete documentation.
1400 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1402 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1403 from V7 to V9 for Solaris 7 and above.
1405 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1407 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1408 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1409 argument pointers may not alias any other storage.
1410 * common.opt: Define option -fargument-noalias-anything.
1411 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1412 alias semantics is specified by flag_argument_noalias > 2.
1414 2006-03-20 Jeff Law <law@redhat.com>
1416 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1417 (pass_phi_only_cprop): Declare.
1418 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1420 * tree-ssa-dom.c (degenerate_phi_result): New function.
1421 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1422 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1423 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1424 (eliminate_degenerate_phis): Likewise.
1425 (pass_phi_only_cprop): New pass descriptor.
1426 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1427 support code. Callers updated.
1428 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1429 (store_copy_prop): Likewise.
1430 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1432 2006-03-20 Jason Merrill <jason@redhat.com>
1435 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1436 (push_visibility, pop_visibility): Likewise.
1437 * c-pragma.h: Declare them.
1439 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1441 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1443 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1444 parameter and use get_ebb_head_tail.
1445 (sh_md_init_global): Adjust uses of find_regmode_weight.
1447 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1449 * function.h (struct function) <x_tail_recursion_reentry>:
1450 Rename to x_stack_check_probe_note.
1451 (tail_recursion_reentry): Rename to stack_check_probe_note.
1452 * function.c: Replace tail_recursion_reentry with
1453 stack_check_probe_note everywhere.
1454 (expand_function_start): Only emit a note for
1455 stack_check_probe_note with -fstack-protect.
1456 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1458 * emit-rtl.c (remove_unnecessary_notes): Remove.
1459 (pass_remove_unnecessary_notes): Remove.
1460 * rtl.h (remove_unnecessary_notes): Remove prototype.
1461 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1462 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1463 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1465 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1468 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1469 (valid_in_set): Handle ARRAY_REF.
1470 Change "if min_variant or VH" to asserts.
1471 (create_component_ref_by_pieces): Handle ARRAY_REF.
1472 (create_expression_by_pieces): Likewise.
1473 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1475 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1477 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1478 is operand of switch, not str[0].
1480 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1482 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1483 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1485 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1487 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1488 end of insn_extra_address_constraint declaration.
1490 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1492 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1493 (no-sum-in-toc): Same.
1494 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1496 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1497 NO_FP_IN_TOC for -fPIC instead of mask.
1499 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1500 (BOOT_LDFLAGS): Delete.
1502 * config/rs6000/t-aix52: Same.
1504 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1505 (stmsi[345678]_power): New.
1507 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1509 * config/ia64/ia64.opt: Add empty line to end of file.
1511 2006-03-17 Richard Guenther <rguenther@suse.de>
1514 * builtins.c (get_pointer_alignment): For component style references
1515 adjust alignment to the component type alignment. Make sure
1516 to adjust alignment for component access of constants.
1518 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1520 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1523 2006-03-17 Paul Brook <paul@codesourcery.com>
1525 * doc/install.texi: Docuemnt --with-mode.
1526 * config.gcc: Add --with-mode for arm*-*-*.
1527 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1529 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1531 * sh.c (max_labelno_before_reorg): New variable.
1532 (sh_reorg): Initialize it.
1533 (find_barrier): Check max_labelno_before_reorg before using
1534 label_to_alignment. Take length of explicit alignment insns
1535 into account. When seeing a UNSPECV_CONST_END, return it.
1537 * sh.c (fixup_mova): Set mode of affected label to QImode.
1538 (untangle_mova): New function.
1539 (find_barrier): Use it. Check mode of label before decrementing
1541 (sh_reorg): Likewise.
1542 Set mode of all insns back to VOIDmode.
1544 * sh.c (MOVA_LABELREF): New macro.
1545 (mova_p, fixup_mova, sh_reorg): Use it.
1546 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1547 ADDR_DIFF_VEC matches mova.
1549 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1551 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1552 with ATTRIBUTE_UNUSED.
1554 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1556 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1557 pointer, instead of assuming it is possible to derive the
1558 correct args size from a call insn.
1560 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1562 * rtl.h (CONST_INT_P): Define.
1563 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1564 instead of GET_CODE(x) == CONST_INT.
1565 (vax_rtx_costs): Likewise.
1566 (vax_output_int_move): Likewise.
1567 (vax_output_int_add): Likewise.
1568 (legitimate_constant_address_p): Likewise.
1569 (index_term_p): Likewise.
1570 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1571 * config/vax/vax.md (and<mode>3): Likewise.
1572 (ashrsi3): Likewise.
1574 (movstricthi): Likewise.
1575 (movstrictqi): Likewise.
1576 (rotrsi3): Likewise.
1577 (five unnamed insns): Likewise.
1579 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1581 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1582 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1583 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1584 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1585 Pass to ASM_OUTPUT_DWARF_OFFSET.
1586 * dwarf2out.c (debug_frame_section): New.
1587 (output_call_frame_info): Use debug_frame_section. Pass it to
1588 dw2_asm_output_offset.
1589 (output_die): Pass appropriate section to dw2_asm_output_offset.
1590 (output_compilation_unit_header): Likewise.
1591 (output_pubnames): Likewise.
1592 (output_aranges): Likewise.
1593 (enum dw_val_class): Break dw_val_class_lbl_offset into
1594 dw_val_class_lineptr and dw_val_class_macptr.
1595 (add_AT_lbl_offset): Delete.
1596 (add_AT_lineptr): New.
1597 (add_AT_macptr): New.
1598 (AT_lbl): Expect a lineptr or macptr.
1599 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1600 (attr_checksum): Likewise.
1601 (same_dw_val_p): Likewise.
1602 (size_of_die): Likewise.
1603 (value_format): Likewise.
1604 (output_die): Likewise.
1605 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1607 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1608 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1609 * config/darwin-protos.h (darwin_file_start): New.
1610 (darwin_asm_output_dwarf_offset): New.
1611 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1612 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1614 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1615 if not EH section; simplify.
1616 (darwin_file_start): New.
1617 (darwin_asm_output_dwarf_offset): New.
1618 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1620 (DEBUG_INFO_SECTION): Likewise.
1621 (DEBUG_ABBREV_SECTION): Likewise.
1622 (DEBUG_ARANGES_SECTION): Likewise.
1623 (DEBUG_MACINFO_SECTION): Likewise.
1624 (DEBUG_LINE_SECTION): Likewise.
1625 (DEBUG_LOC_SECTION): Likewise.
1626 (DEBUG_PUBNAMES_SECTION): Likewise.
1627 (DEBUG_STR_SECTION): Likewise.
1628 (DEBUG_RANGES_SECTION): Likewise.
1629 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1630 (ASM_OUTPUT_DWARF_OFFSET): New.
1632 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1634 * config.gcc (tm_defines): Always add to previous value rather
1637 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1639 * config/mips/predicates.md (splittable_const_int_operand): New,
1640 split from move_operand.
1641 (splittable_symbolic_operand): New.
1642 (move_operand): Add commentary. Use splittable_const_int_operand.
1643 Inline mips_atomic_symbolic_constant_p.
1644 * config/mips/mips.md: Add combine splitters for handling moves
1645 of splittable_const_int_operands and splittable_symbolic_operands.
1646 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1647 (mips_split_symbol): Declare.
1648 (mips_move_integer): Declare.
1649 * config/mips/mips.c (mips_split_p): Make global.
1650 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1651 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1652 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1653 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1654 (mips_offset_within_object_p): Handle block symbols.
1655 (mips_atomic_symbolic_constant_p): Delete.
1656 (mips_cannot_force_const_mem): Return false for constants that
1657 mips_legitimize_move can handle.
1658 (mips_use_blocks_for_constant_p): New function.
1659 (mips_split_symbol): Make global.
1660 (mips_move_integer): Likewise. Add a temporary register argument.
1661 (mips_legitimize_const_move): Use splittable_const_int_operand and
1662 splittable_symbolic_operand.
1663 (mips_use_anchors_for_symbol_p): New function.
1664 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1665 (mips_split_p): Declare.
1667 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1669 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1670 (mips*-*-linux*): Likewise.
1672 2006-03-16 Roger Sayle <roger@eyesopen.com>
1673 Daniel Speyer <dspeyer@wam.umd.edu>
1676 * tree-dump.c (dump_real): New function.
1677 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1678 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1679 (tree-dump.o): Add $(REAL_H) to the dependencies.
1681 2006-03-16 Roger Sayle <roger@eyesopen.com>
1684 * real.c (real_from_string): If the mantissa is zero, don't bother
1685 parsing the exponent as the result should always be zero.
1687 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1689 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1691 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1693 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1694 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1695 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1696 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1697 ia64_sched_finish_global): New static functions to implement
1698 hooks from gcc_target.sched.
1699 (spec_check_no, max_uid, pending_data_specs): New static variables.
1700 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1701 ia64_spec_check_src_p): New static functions.
1702 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1703 (TARGET_SCHED_ADJUST_COST): Removed.
1704 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1705 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
1706 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1707 TARGET_SCHED_GEN_CHECK,
1708 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1709 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
1710 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
1711 Fixed to handle speculation checks.
1712 (rtx_needs_barrier): Fixed to handle speculative loads and
1714 (ia64_variable_issue): Added code to count speculative loads and their
1716 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
1718 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
1720 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
1722 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
1723 (ia64_reorg): Reset stops_p to NULL after it is freed.
1724 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
1725 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
1726 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
1728 (data_speculative, control_speculative, check_load): New attributes.
1729 (mov<mode>_advanced, mov<mode>_speculative,
1730 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
1731 zero_extend<mode>di2_speculative,
1732 zero_extend<mode>di2_speculative_advanced): New patterns for
1733 data and control speculative loads.
1734 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
1736 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
1737 New pattern for data and control speculation checks.
1738 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
1739 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1740 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1741 Auxiliary definitions for the patterns.
1742 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1743 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
1745 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
1747 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
1748 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
1749 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
1750 New resource constraints.
1751 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
1753 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
1754 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
1755 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1756 msched-in-control-spec, msched-ldc, msched-control-ldc,
1757 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1758 msched-prefer-non-control-spec-insns,
1759 msched-count-spec-in-critical-path): New flags to tune speculative
1761 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
1762 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1763 msched-in-control-spec, msched-ldc, msched-control-ldc,
1764 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1765 msched-prefer-non-control-spec-insns,
1766 msched-count-spec-in-critical-path): Document new flags.
1768 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1770 * target.h (struct spec_info_def): New opaque declaration.
1771 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
1772 speculate_insn, needs_block_p, gen_check,
1773 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
1774 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1775 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
1776 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
1777 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1778 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
1780 (TARGET_SCHED): Use new macros.
1781 * rtl.h (copy_DEPS_LIST_list): New prototype.
1782 * sched-int.h (struct sched_info): Change signature of new_ready field,
1783 adjust all initializations. New fields: add_remove_insn,
1784 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
1785 region_head_or_leaf_p.
1786 (struct spec_info_def): New structure declaration.
1787 (spec_info_t): New typedef.
1788 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1789 recovery_block, orig_pat.
1790 (glat_start, glat_end): New variables declaraions.
1791 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1793 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1794 DETACH_LIFE_INFO, USE_GLAT.
1795 (enum SPEC_SCHED_FLAGS): New enumeration.
1796 (NOTE_NOTE_BB_P): New macro.
1797 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1798 attach_life_info, debug_spec_status, check_reg_live): New functions.
1799 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1800 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1802 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1803 * ddg.c (get_block_head_tail): Adjust all uses.
1804 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1805 (sms_sched_info): Initialize new fields.
1806 (contributes_to_priority): Removed.
1807 * haifa-sched.c (params.h): New include.
1808 (get_block_head_tail): Adjust all uses.
1809 (ISSUE_POINTS): New macro.
1810 (glat_start, glat_end): New global variables.
1811 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1812 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1813 old_last_basic_block, before_recovery, current_sched_info_var,
1814 rgn_n_insns, luid): New static variables.
1815 (insn_cost1): New function. Move logic from insn_cost to here.
1816 (find_insn_reg_weight1): New function. Move logic from
1817 find_insn_reg_weight to here.
1818 (reemit_notes, move_insn, max_issue): Change signature.
1819 (move_insn1): Removed.
1820 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1821 extend_bb): New static functions to support extension of scheduler's
1823 (generate_recovery_code, process_insn_depend_be_in_spec,
1824 begin_speculative_block, add_to_speculative_block,
1825 init_before_recovery, create_recovery_block, create_check_block_twin,
1826 fix_recovery_deps): New static functions to support
1827 generation of recovery code.
1828 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1829 restore_bb_notes, move_block_after_check, move_succs): New static
1830 functions to support ebb scheduling.
1831 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1832 functions to support handling of register live information.
1833 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1834 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1835 add_jump_dependencies): New static functions.
1836 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1837 consistancy checking.
1838 (debug_spec_status): New function to call from debugger.
1839 (priority): Added code to handle speculation checks.
1840 (rank_for_schedule): Added code to distinguish speculative instructions.
1841 (schedule_insn): Added code to handle speculation checks.
1842 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1843 Fixed to handle ebbs.
1844 (move_insn): Added code to handle ebb scheduling.
1845 (max_issue): Added code to use ISSUE_POINTS of instructions.
1846 (choose_ready): Added code to choose between speculative and
1847 non-speculative instructions.
1848 (schedule_block): Added code to handle ebb scheduling and scheduling of
1849 speculative instructions.
1850 (sched_init): Initialize new variables.
1851 (sched_finish): Free new variables. Print statistics.
1852 (try_ready): Added code to handle speculative instructions.
1853 * lists.c (copy_DEPS_LIST_list): New function.
1854 * sched-deps.c (extend_dependency_caches): New function. Move logic
1855 from create_dependency_caches to here.
1856 (get_dep_weak, ds_merge): Make global.
1857 * genattr.c (main): Code to output prototype for
1858 dfa_clear_single_insn_cache.
1859 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
1860 (output_dfa_clean_insn_cache_func): Code to output
1861 dfa_clear_single_insn_cache function.
1862 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
1864 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
1866 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
1867 New static variables.
1868 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
1869 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
1871 (ebb_sched_info): Initialize new fields.
1872 (get_block_head_tail): Adjust all uses.
1873 (compute_jump_reg_dependencies): Fixed to use glat_start.
1874 (schedule_ebb): Code to remove unreachable last block.
1875 (schedule_ebbs): Added code to update register live information.
1876 * sched-rgn.c (region_sched_info): Initialize new fields.
1877 (get_block_head_tail): Adjust all uses.
1878 (last_was_jump): Removed. Adjust users.
1879 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
1880 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
1881 Implement new hooks.
1882 (check_dead_notes1): New static function.
1883 (struct region): New fields: dont_calc_deps, has_real_ebb.
1884 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
1885 (BB_TO_BLOCK): Fixed to handle EBBs.
1886 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
1887 (ebb_head): New static variable.
1888 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
1889 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
1891 (compute_dom_prob_ps): New assertion.
1892 (check_live_1, update_live_1): Fixed to work with glat_start instead of
1893 global_live_at_start.
1894 (init_ready_list): New assertions.
1895 (can_schedule_ready_p): Split update code to begin_schedule_ready.
1896 (new_ready): Add support for BEGIN_CONTROL speculation.
1897 (schedule_insns): Fixed code that updates register live information
1899 (schedule_region): Fixed to handle EBBs.
1900 (init_regions): Use extend_regions and check_dead_notes1.
1901 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
1902 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
1903 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
1904 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1905 TARGET_SCHED_GEN_CHECK,
1906 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1907 TARGET_SCHED_SET_SCHED_FLAGS): Document.
1908 * doc/invoke.texi (max-sched-insn-conflict-delay,
1909 sched-spec-prob-cutoff): Document.
1911 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1913 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
1914 inter_tick, queue_index.
1915 (struct sched_info): Change signature of init_ready_list field.
1916 Adjust all initializations.
1917 (RESOLVED_DEPS): New access macro.
1918 (ready_add): Remove prototype.
1919 (try_ready): Add prototype.
1920 * sched-rgn.c (init_ready_list): Use try_ready.
1921 (schedule_region): Initialize
1922 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
1923 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
1924 (init_ready_list): Use try_ready.
1925 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
1926 * lists.c (remove_list_elem): Remove `static'.
1927 (remove_free_INSN_LIST_elem): New function.
1928 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
1929 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
1930 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
1932 (readyp): New variable.
1933 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
1934 change_queue_index, resolve_dep): New static functions.
1935 (try_ready): New function. Adjust callers in sched-rgn.c and
1936 sched-ebb.c to use it instead of ready_add.
1937 (clock_var): Move at the begining of file.
1938 (rank_for_schedule): Fix typo.
1939 (queue_insn): Add assertion. Handle QUEUE_INDEX.
1940 (ready_lastpos): Enforce assertion.
1941 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
1943 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
1944 (schedule_insn): Rewrite to use try_ready and resolve_dep.
1945 (queue_to_ready): Use free_INSN_LIST_list.
1946 (early_queue_to_ready): Fix typo.
1947 (schedule_block): Init readyp. Move init_ready_list call after the
1948 initialization of clock_var. Fix error in rejecting insn by
1949 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
1950 that previously corrected INSN_TICKs. Add code for handling
1952 (set_priorities): Fix typo.
1953 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
1954 Clarify comment and code that keeps current_sched_info->next_tail
1957 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1959 * sched-rgn.c (extend_rgns): New static function.
1960 (find_rgns): Use it.
1961 (gather_region_statistics, print_region_statistics): New static
1963 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
1964 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1966 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1967 Andrey Belevantsev <abel@ispras.ru>
1969 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
1970 * lists.c (unused_deps_list): New variable.
1971 (free_list): Add assertions to verify the proper distinguishing
1972 between INSN_LISTs and DEPS_LISTs.
1973 (find_list_elem, remove_list_elem, remove_list_node): New static
1975 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
1976 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
1977 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
1978 (alloc_INSN_LIST): Assert that the list we're working on is indeed
1980 (free_INSN_LIST_node): Likewise.
1981 * modulo-sched.c (current_sched_info): Initialize flags field.
1982 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
1983 * rtl.def (DEPS_LIST): Define.
1984 * rtl.h: Declare new functions from lists.c.
1985 * sched-deps.c (spec_dependency_cache): New static variable.
1986 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
1987 (add_dependence): Change return type to void. Move the logic to ...
1988 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
1989 (delete_all_dependences): Add comment about forward_dependency_cache.
1990 Handle spec_dependency_cache. Handle DEPS_LISTs.
1991 (fixup_sched_groups): Clarify the change of priority of output
1992 and anti dependencies.
1993 (sched_analyze_2): Adjust add_dependence calls to create data
1994 speculative dependence.
1995 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
1996 Adjust all callers. Handle DEPS_LISTS.
1997 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
1998 presence of speculation.
1999 (init_dependency_caches, free_dependency_caches):
2000 Handle spec_dependency_cache.
2001 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
2002 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
2003 New static functions.
2004 (add_or_update_back_dep, add_or_update_back_forw_dep,
2005 add_back_forw_dep, delete_back_forw_dep): New functions.
2006 * sched-int.h (ds_t, dw_t): New typedefs.
2007 (struct sched_info): Add new field flags.
2008 (struct haifa_insn_data): Add new bitfield has_internal_dep.
2009 Prototype new sched-deps.c functions.
2010 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
2011 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
2012 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
2013 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
2014 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
2015 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
2017 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
2019 * sched-rgn.c (current_sched_info): Initialize flags field.
2020 (schedule_insns): Initialize current_sched_info before the sched_init
2022 * sched-ebb.c (current_sched_info): Initialize flags field.
2023 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
2024 Call add_or_update_back_dep instead of add_dependence.
2025 Create control speculative dependencies.
2026 (schedule_insns): Initialize current_sched_info before the sched_init
2029 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
2031 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
2033 (sh_fallback_frame_state): Likewise.
2035 2006-03-15 Geoffrey Keating <geoffk@apple.com>
2037 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
2038 Do switch on default_use_cxa_atexit.
2039 (powerpc*-*-darwin*): Build crt2.o on powerpc.
2040 * config/darwin-crt3.o: New.
2041 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
2042 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
2043 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
2045 * config/rs6000/t-darwin: Move crt2.o building to here.
2046 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
2047 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
2050 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2052 * config/vax/vax.c (nonindexed_address_p): Change logical negation
2053 from '! xxx' to '!xxx' for coding-style conformance.
2054 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
2055 (EXTRA_CONSTRAINT): Likewise.
2056 * config/vax/vax.md (four unnamed insns): Likewise.
2058 2006-03-15 Paul Brook <paul@codesourcery.com>
2060 * config/arm/arm.c (minipool_pad): New.
2061 (add_minipool_forward_ref): Include pool alignment padding in address
2063 (push_minipool_fix): Set minipool_pad.
2064 (minipool_pad): Ditto.
2066 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2068 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
2069 instead of GET_CODE() == MEM and REG_P() instead of
2071 (print_operand_address): Likewise.
2072 (vax_address_cost): Likewise.
2073 (vax_rtx_costs): Likewise.
2074 (vax_notice_update_cc): Likewise.
2075 (vax_output_int_add): Likewise.
2076 (INDEX_REGISTER_P): Likewise.
2077 (BASE_REGISTER_P): Likewise.
2078 (nonindexed_address_p): Likewise.
2079 (vax_mode_dependent_address_p): Likewise.
2080 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
2081 (PRINT_OPERAND): Likewise.
2082 * config/vax/vax.md (ashlsi3): Likewise.
2083 (ashlsi3): Likewise.
2084 (some more unnamed insns): Likewise.
2086 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
2088 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
2089 iterator-style macro.
2090 (mark_control_dependent_edges_necessary): Update the use of
2091 EXECUTE_IF_CONTROL_DEPENDENT.
2093 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
2095 * config/sh/predicates.md (cache_address_operand): Special.
2096 (ua_address_operand): Likewise.
2098 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
2100 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
2102 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
2104 2006-03-15 Andreas Schwab <schwab@suse.de>
2106 * gensupport.c (identify_predicable_attribute): Don't free p_false
2107 when it is still in use.
2109 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
2111 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
2112 the default setting here.
2114 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
2116 * tree-pass.h (pass_cfg): Remove.
2117 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
2118 * passes.c (pass_cfg): Don't run it.
2120 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
2122 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
2123 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2125 (stack_regs_mentioned): Update the uses of
2126 stack_regs_mentioned_data. Don't access the array beyond its
2128 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2129 Don't include gt-reg-stack.h.
2131 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2132 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2134 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2137 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2140 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2142 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2144 2006-03-14 Richard Guenther <rguenther@suse.de>
2146 PR tree-optimization/26672
2147 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2150 2006-03-14 Richard Guenther <rguenther@suse.de>
2152 PR tree-optimization/26667
2153 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2154 node for the callees. Always allow inlining if it will shrink
2157 2006-03-14 Richard Guenther <rguenther@suse.de>
2160 * builtins.c (get_pointer_alignment): Prefer alignment
2161 information from decls over that from types.
2163 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2166 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2168 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2170 * config/rs6000/rs6000.opt (mdlmzb): New option.
2171 (msched-prolog, msched-epilog): Use Var not Mask.
2172 * doc/invoke.texi (-mdlmzb): Document.
2173 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2175 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2176 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2178 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2180 PR rtl-optimization/25739
2181 * bt-load.c (augment_live_range): Free tos pointer.
2183 * gensupport.c (identify_predicable_attribute): Free
2185 * gcov.c (create_file_names): Free name pointer.
2187 2006-03-13 Roger Sayle <roger@eyesopen.com>
2190 * stmt.c (emit_case_nodes): Handle the case where the index is a
2191 CONST_INT, where the comparison mode is specified by the index type.
2193 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2195 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2198 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2200 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2201 (*branch_fp_inverted): Likewise.
2203 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2206 * omp-low.c (expand_omp_for_generic): Mark istart0
2207 and iend0 as addressable.
2209 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2211 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2213 2006-03-13 Jeff Law <law@redhat.com>
2215 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2216 virtual operands are interesting.
2217 (vrp_visit_stmt): Corresponding changes.
2219 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2221 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2223 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2224 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2225 * config/bfin/crti.S: Use it instead of __PIC__.
2226 * config/bfin/crtn.S: Likewise.
2228 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2229 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2231 Lose 'G' modifier for call operand.
2232 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2233 recognize 'G' modifier.
2235 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2238 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2239 * stmt.c (expand_case): Likewise.
2241 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2243 PR rtl-optimization/26254
2244 * loop-invariant.c (seq_insns_valid_p): New function.
2245 (move_invariant_reg): Only emit new code if it is valid.
2247 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2249 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2251 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2252 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2253 (commit_one_edge_insertion): Do not look for loop notes.
2255 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2257 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2258 flag_test_coverage out of loop.
2260 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2262 * final.c (shorten_branches): Remove outdated comment, and turn
2263 the if branch that guards it to continue.
2265 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2267 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2268 * cfgloop.h (struct loop): Remove unused fields.
2270 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2272 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2273 (-dL, -fdump-rtl-loop2): Update the dump file names
2275 * doc/invoke.texi: Update dump file names.
2277 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2279 * predict.c (estimate_probability): Remove.
2280 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2281 * basic-block.h (estimate_probability): Remove prototype.
2282 * passes.c (finish_optimization_passes): Dump branch prediction or
2283 profiling heuristics to the .profile tree dump.
2284 (init_optimization_passes): Unqueue pass_branch_prob.
2286 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2288 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2290 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2291 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2293 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2295 * function.h (frame_offset_overflow): Declare.
2296 * function.c (frame_offset_overflow): New function.
2297 (assign_stack_local_1): Call it to detect that the offset overflows.
2298 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2300 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2302 * config/sh/sh.c: Include alloc-pool.h.
2303 (label_ref_list_pool): New alloc pool.
2304 (label_ref_list_t): New type for lists of labels.
2305 (struct pool_node): Make wend a label_ref_list_t.
2306 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2308 (dump_table): Likewise.
2309 (sh_reorg): Set up the alloc pool before using add_constant and
2310 dump_table, and destroy it when finishing.
2312 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2314 * config/mips/mips.c: Remove redundant comment.
2316 2006-03-10 Jason Merrill <jason@redhat.com>
2319 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2320 the target was declared 'register'.
2322 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2324 * genpreds.c (write_insn_constraint_len): Change definition of
2325 insn_constraint_len to return size_t to match the declaration.
2327 2006-03-10 DJ Delorie <dj@redhat.com>
2329 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2331 (m32c_expand_insv): Fix test for an AND mask.
2333 2006-03-10 Richard Guenther <rguenther@suse.de>
2336 * builtins.c (get_pointer_alignment): Handle component
2337 references for field alignment.
2339 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2341 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2342 when building with libgloss.
2343 (sh*elf): Implement --without-fp option.
2344 (sh64-superh-linux*): Don't multilib.
2346 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2348 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2350 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2352 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2353 Set it when one of the replacement functions returned true.
2354 Return TODO_cleanup_cfg if cfgchanged is true.
2355 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2357 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2359 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2360 instead of gen_lowpart.
2362 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2364 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2366 (mips_output_order_conditional_branch): Declare.
2367 * config/mips/mips.h (MIPS_BRANCH): New macro.
2368 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2369 for the comparison. Use gen_condjump.
2370 (mips_output_conditional_branch): Rework interface to take the
2371 asm templates for a direct branch and the inverse of a direct branch.
2372 (mips_output_order_conditional_branch): New function.
2373 (mips_builtin_branch_and_move): New function.
2374 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2375 branch condition. Use gen_single_cc as the condition for
2376 __builtin_mips_upper_* or __builtin_mips_lower_*.
2377 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2378 Use VOIDmode for the branch condition.
2379 * config/mips/predicates.md (order_operator): New predicate.
2380 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2381 (branch_fp): Rename to...
2382 (*branch_fp): ...this. Remove mode from comparison operator.
2383 Use new mips_output_conditional_branch interface.
2384 (branch_fp_inverted): Rename to...
2385 (*branch_fp_inverted): ...this and update as for *branch_fp.
2386 (*branch_zero<mode>): Rename to...
2387 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2388 Use mips_output_order_conditional_branch. Only accept ordered
2390 (*branch_zero<mode>_inverted): Rename to...
2391 (*branch_order<mode>_inverted): ...this and update as for
2392 *branch_order<mode>.
2393 (*branch_equality<mode>): Accept zero as the second operand to
2394 the equality operator. Use the new mips_output_conditional_branch
2396 (*branch_equality<mode>_inverted): Likewise.
2397 (condjump): New expander.
2398 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2400 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2401 (bc1any2t, bc1any2f): Likewise.
2402 (single_cc): New expander.
2403 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2405 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2407 * doc/md.texi: Update documentation of MIPS constraints.
2408 * config/mips/constraints.md: New file.
2409 * config/mips/mips.md: Include it.
2410 * config/mips/mips.c (mips_char_to_class): Delete.
2411 (override_options): Don't initialize mips_char_to_class.
2412 * config/mips/mips.h (mips_char_to_class): Delete.
2413 (REG_CLASS_FROM_LETTER): Delete.
2414 (CONST_OK_FOR_LETTER_P): Delete.
2415 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2416 (EXTRA_CONSTRAINT_Y): Delete.
2417 (EXTRA_CONSTRAINT_STR): Delete.
2418 (CONSTRAINT_LEN): Delete.
2419 (EXTRA_MEMORY_CONSTRAINT): Delete.
2421 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2423 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2424 original fn's eh regions.
2426 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2428 * fold-const.c (build_range_check): Make sure to use a valid type to
2429 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2432 (range_predecessor): New static function.
2433 (range_successor): Likewise.
2434 (merge_ranges): Use them to compute predecessors and successors of
2437 2006-03-09 Roger Sayle <roger@eyesopen.com>
2440 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2441 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2443 2006-03-08 DJ Delorie <dj@redhat.com>
2445 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2446 (addpsi3): Expand to include memory operands. Remove
2447 reload-specific splits.
2448 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2449 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2450 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2451 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2452 (shift1_qi, shift1_hi, insv): New.
2453 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2454 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2455 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2457 * config/m32c/m32c-protos.h: Update as needed.
2458 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2459 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2460 Fail for unrecognized R* constraints.
2461 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2462 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2463 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2465 (m32c_init_libfuncs): New.
2466 (m32c_legitimate_address_p): Add debug wrapper.
2467 (m32c_rtx_costs): New.
2468 (m32c_address_cost): New.
2469 (conversions): Add 'B' prefix.
2470 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2471 operands, or word regnames for QI operands. 'B' prints bit
2473 (m32c_expand_setmemhi): New.
2474 (m32c_expand_movmemhi): New.
2475 (m32c_expand_movstr): New.
2476 (m32c_expand_cmpstr): New.
2477 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2478 (m32c_expand_neg_mulpsi3): Handle non-ints.
2479 (m32c_cmp_flg_0): New.
2480 (m32c_expand_movcc): New.
2481 (m32c_expand_insv): New.
2482 (m32c_scc_pattern): New.
2483 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2484 a0/a1 out of SIregs.
2485 (STORE_FLAG_VALUE): New.
2486 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2489 * config/m32c/mov.md: Make constraints more liberal.
2490 (zero_extendqihi2): Optimize r0/r1 case.
2491 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2492 * config/m32c/predicates.md (m32c_any_operand): New.
2493 (m32c_nonimmediate_operand): New.
2494 (m32c_hl_operand): New.
2495 (m32c_r3_operand): New.
2498 (memsym_operand): New.
2499 (memimmed_operand): New.
2500 (a_qi_operand): New.
2501 (m32c_eqne_operator): New.
2502 (m32c_1bit8_operand): New.
2503 (m32c_1bit16_operand): New.
2504 (m32c_1mask8_operand): New.
2505 (m32c_1mask16_operand): New.
2506 * config/m32c/blkmov.md: New file.
2507 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2509 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2511 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2512 unsigned to fix signed/unsigned comparison issue in
2513 DWARF2_FRAME_REG_OUT.
2514 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2515 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2517 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2518 of ptr into the ENABLE_CHECKING section.
2520 2006-03-08 Jeff Law <law@redhat.com>
2522 * tree-vrp.c (infer_value_range): Only count pointer uses
2523 and dereferences if -fdelete-null-pointer-checks is enabled.
2525 * tree-vrp.c (find_assert_locations): Infer value ranges for
2526 single use pointers, but do not create ASSERT_EXPRs for them.
2527 When a non-null range is inferred for a pointer, backwards
2528 propagate that range to other equivalent pointers through the
2531 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2534 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2535 language hook targets.
2536 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2537 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2538 if language hook targets were missing.
2540 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2542 * tree-ssa-opfinalize.h: Removed.
2543 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2545 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2546 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2547 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2548 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2549 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2550 finalize_ssa_v_must_def_ops): New.
2552 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2554 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2557 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2559 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2561 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2562 addresses with offsets; reorganize.
2564 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2565 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2566 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2568 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2571 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2573 2006-03-08 Ben Elliston <bje@au.ibm.com>
2575 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2577 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2580 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2583 2006-03-07 Richard Guenther <rguenther@suse.de>
2585 PR tree-optimization/26587
2586 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2588 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2590 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2592 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2594 * hooks.c (hook_bool_mode_rtx_true): New function.
2595 * hooks.h (hook_bool_mode_rtx_true): Declare.
2596 * toplev.c (compile_file): Call output_shared_constant_pool.
2597 * varasm.c (shared_constant_pool): New variable.
2598 (assemble_start_function, assemble_end_function): Remove arguments
2599 from call to output_constant_pool.
2600 (create_constant_pool): New function, split out from...
2601 (init_varasm_status): ...here.
2602 (force_const_mem): Choose between the shared and per-function constant
2603 pools. Set current_function_uses_const_pool when reusing old entries
2604 as well as when creating new ones.
2605 (mark_constant): Ignore data argument.
2606 (mark_constants): Remove pool argument.
2607 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2608 to decide whether the function uses a constant pool.
2609 (output_constant_pool_contents): New function, split out from...
2610 (output_constant_pool): ...here.
2611 (output_shared_constant_pool): New function.
2612 (init_varasm_once): Initialize shared_constant_pool.
2613 * output.h (output_constant_pool): Delete.
2614 (output_shared_constant_pool): Declare.
2615 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2616 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2618 2006-03-06 Nick Clifton <nickc@redhat.com>
2620 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2621 flag_strength_reduce.
2623 2006-03-06 Ben Elliston <bje@au.ibm.com>
2625 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2626 x86_64-*-linux* configurations.
2628 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2629 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2631 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2633 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2635 * basic-block.h: Remove the extern for
2636 rediscover_loops_after_threading.
2638 * cfgloop.c (cancel_loop): Make it static.
2639 * cfgloop.h: Remove the prototype for cancel_loop.
2641 * flow.c (recompute_reg_usage): Make it static.
2642 * rtl.h: Remove the prototype for recompute_reg_usage.
2644 * function.c (use_return_register): Make it static.
2645 * function.h: Remove the prototype.
2647 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2649 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2651 * recog.h: Remove the prototype for
2652 validate_change_maybe_volatile.
2654 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2656 * rtlanal.c (replace_reg): Remove.
2657 * rtl.h: Remove the prototype for replace_reg.
2659 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2661 * regclass.c (reg_scan_update): Remove.
2662 (reg_scan_mark_refs): Remove the last argument.
2663 * rtl.h: Remove the prototype for reg_scan_update.
2665 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2667 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2668 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2669 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2670 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2671 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2672 loop-invariant.c, omp-low.c, opts.c, passes.c,
2673 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2674 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2675 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2676 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2677 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2678 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2680 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2682 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2683 * dwarf2out.h: Remove the prototype for
2684 dwarf2out_add_library_unit_info.
2686 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2688 * tree.c (add_var_to_bind_expr): Remove.
2689 * tree.h: Remove the prototype for add_var_to_bind_expr.
2691 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2693 * regclass.c (n_non_fixed_regs): Remove.
2694 (init_reg_sets_1, globalize_reg): Remove all uses of
2696 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2698 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2700 * rtlanal.c (insns_safe_to_move_p): Remove.
2701 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2703 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2705 * expmed.c (expand_mult_add): Remove.
2706 * expr.h: Remove the prototype for expand_mult_add.
2708 2006-03-04 Jakub Jelinek <jakub@redhat.com>
2710 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
2711 and REG_SAVED_VAL_EXP constants.
2712 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
2713 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2714 Handle regs stored by value.
2715 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
2716 (execute_cfa_program): Handle DW_CFA_val_offset,
2717 DW_CFA_val_offset_sf and DW_CFA_val_expression.
2718 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
2719 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
2720 (uw_install_context_1): Handle target regs stored by value.
2722 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
2724 * tree-sra.c (tree_sra): Return todoflags;
2725 (generate_one_element): Set TODO_update_smt_usage if needed.
2726 (pass_sra): Remove TODO_update_smt_usage.
2727 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
2729 (tree_ssa_forward_propagate_single_use_vars): Return
2730 TODO_update_smt_usage if we need to update SMT usage.
2731 (pass_forwprop): Remove TODO_update_smt_usage.
2733 2006-03-03 Diego Novillo <dnovillo@redhat.com>
2735 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
2736 (correct_use_link): Remove reference to get_stmt_operands.
2737 (update_stmt_operands): Likewise.
2738 (get_modify_expr_operands): New function factored out of
2739 parse_ssa_operands and get_expr_operands.
2740 Try to create V_MUST_DEFs for LHS by default.
2741 (get_expr_operands) <case MODIFY_EXPR>: Call
2742 get_modify_expr_operands.
2743 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
2744 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
2745 (parse_ssa_operands) <case MODIFY_EXPR>: Call
2746 get_modify_expr_operands.
2748 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
2750 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
2751 * tree-flow.h: Remove the prototype for
2752 referenced_var_lookup_if_exists.
2754 2006-03-03 Steve Ellcey <sje@cup.hp.com>
2756 PR rtl-optimization/26345
2758 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2760 2006-03-03 Roger Sayle <roger@eyesopen.com>
2762 PR tree-optimization/26524
2763 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
2764 fold_convert to create a constant of the appropriate type.
2766 2006-03-03 Richard Sandiford <richard@codesourcery.com>
2768 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2769 SYMBOL_REF_IN_BLOCK_P.
2770 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
2771 of SYMBOL_FLAG_IN_BLOCK.
2772 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
2773 instead of SYMBOL_REF_IN_BLOCK_P.
2774 * explow.c (use_anchored_address): Likewise.
2775 * rtl.c (rtx_size): Likewise.
2776 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
2777 instead of SYMBOL_FLAG_IN_BLOCK.
2778 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2779 SYMBOL_REF_IN_BLOCK_P.
2780 (assemble_variable): Likewise.
2781 (output_constant_def_contents): Likewise.
2782 (output_constant_pool): Likewise.
2783 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
2784 instead of SYMBOL_FLAG_IN_BLOCK.
2785 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2786 SYMBOL_REF_IN_BLOCK_P.
2787 (SYMBOL_REF_BLOCK): Likewise.
2788 (SYMBOL_REF_OFFSET): Likewise.
2789 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2790 SYMBOL_REF_IN_BLOCK_P.
2791 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2792 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2793 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2794 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2796 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2798 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2800 2006-03-02 Roger Sayle <roger@eyesopen.com>
2802 * simplify-rtx.c (simplify_unary_operation): When simplifying
2803 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2804 that we perform the right shift in the appropriate mode, and
2805 then extend or truncate the result to requested mode.
2807 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2809 * gengtype.c (main): Handle double_int type.
2810 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2811 * double-int.c: New file.
2812 * double-int.h: New file.
2813 * system.h: Include doubleint.h.
2814 * Makefile.in (SYSTEM_H): Include double-int.h.
2815 (double-int.o): Add.
2817 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2820 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2823 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2825 * tree-vrp.c (remove_range_assertions): Do not update statements
2828 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2830 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2832 * gcse.c (rest_of_handle_gcse): Ditto.
2833 * except.c (gate_handle_eh): Ditto.
2834 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2835 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2837 2006-03-02 Eric Christopher <echristo@apple.com>
2839 * config/i386/i386.c (machopic_output_stub): Add indirection to
2842 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2846 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2848 Sun Niagara specific optimizations.
2849 * config.gcc: Recognize niagara as target.
2850 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
2851 (TARGET_CPU_niagara): Define.
2852 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
2853 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
2854 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2855 (ASM_CPU_SPEC): Likewise.
2856 (PROCESSOR_NIAGARA): New enum entry.
2857 (REGISTER_MOVE_COST): Handle Niagara.
2858 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
2859 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
2860 (sparc_override_options): Recognize "niagara", set appropriate
2861 default MASK_* values for it, and align functions to 32-bytes
2862 by default just like ULTRASPARC/ULTRASPARC3.
2863 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
2864 (sparc64_initialize_trampoline): Likewise.
2865 (sparc_use_sched_lookahead): Use zero for niagara.
2866 (sparc_issue_rate): Use one for niagara.
2867 * config/sparc/niagara.md: New file.
2868 * config/sparc/sparc.md: Include it.
2869 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
2870 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
2871 when default cpu is niagara.
2872 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2873 (ASM_CPU_SPEC): Likewise.
2874 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
2875 when default cpu is niagara.
2876 (ASM_CPU_SPEC): Handle -mcpu=niagara.
2877 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
2878 just like v9/ultrasparc/ultrasparc3.
2879 * doc/invoke.texi: Add documentation for "niagara" and improve
2880 existing documentation for ultrasparc variants.
2882 2006-03-02 Diego Novillo <dnovillo@redhat.com>
2884 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
2886 2006-03-02 Richard Sandiford <richard@codesourcery.com>
2888 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
2889 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
2890 and say that only one is needed.
2891 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
2892 * target.h (have_switchable_bss_sections): New hook.
2893 * explow.c (use_anchored_address): Check that the symbol is in a block.
2894 * varasm.c (tls_comm_section, comm_section, lcomm_section)
2895 (bss_noswitch_section): New variables.
2896 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
2897 (get_noswitch_section): New function.
2898 (get_block_for_section): Allow SECT to be null.
2899 (unlikely_text_section_p): Use SECTION_STYLE.
2900 (bss_initializer_p): New function.
2901 (get_variable_section): Move earlier in file. Take a new argument,
2902 prefer_noswitch_p. Move bss checks from assemble_variable to here.
2903 Return one of the new *_sections in such cases.
2904 (get_block_for_decl): New function, extracting some logic from
2905 use_blocks_for_decl_p.
2906 (change_symbol_section): Remove in favor of...
2907 (change_symbol_block): ...this new function.
2908 (use_blocks_for_decl_p): Remove checks now performed by
2910 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
2911 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
2912 (emit_local, emit_bss, emit_common): ...these new functions.
2913 Return true if the alignment was honored.
2914 (emit_tls_common): New function.
2915 (asm_emit_uninitialised): Delete.
2916 (assemble_variable_noswitch): New function, split out from...
2917 (assemble_variable): ...here. Don't make decisions about common
2918 variables here. Globalize all public decls that go into non-common
2919 sections. Check whether SYMBOL_REF_BLOCK is null.
2920 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
2921 (output_constant_pool): Likewise.
2922 (init_varasm_once): Initialize the new section variables.
2923 (have_global_bss_p): New function.
2924 (categorize_decl_for_section): Use bss_initializer_p.
2925 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
2926 (place_block_symbol): Assert that the symbol must be in a block.
2927 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
2928 (TARGET_INITIALIZER): Include it.
2929 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
2930 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
2931 (SECTION_MACH_DEP): Bump by two.
2932 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
2933 (unnamed_section): Mention SECTION_UNNAMED in comment.
2934 (named_section): Likewise SECTION_NAMED.
2935 (noswitch_section_callback): New type.
2936 (noswitch_section): New structure.
2937 (section): Add a noswitch_section alternative.
2938 (SECTION_STYLE): New macro.
2939 (tls_comm_section, comm_section, lcomm_section): Declare.
2940 (bss_noswitch_section, have_global_bss_p): Declare.
2941 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2942 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2944 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2945 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2948 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
2950 * gcc/tree-vrp.c (execute_vrp): Return value.
2951 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
2952 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
2953 * gcc/tree-complex.c (tree_lower_complex): Ditto.
2954 (tree_lower_complex_O0): Ditto.
2955 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
2956 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
2957 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
2958 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
2959 (execute_tail_calls): Ditto.
2960 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2961 * gcc/tree.h (init_function_for_compilation): Ditto.
2962 * gcc/ipa-cp.c (ipcp_driver): Ditto.
2963 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
2964 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
2965 * gcc/final.c (compute_alignments): Ditto.
2966 (rest_of_handle_final): Ditto.
2967 (rest_of_handle_shorten_branches): Ditto.
2968 (rest_of_clean_state): Ditto.
2969 * gcc/omp-low.c (execute_expand_omp): Ditto.
2970 (execute_lower_omp): Ditto.
2971 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
2972 * gcc/ipa-reference.c (static_execute): Ditto.
2973 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
2974 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
2975 (rest_of_handle_machine_reorg): Ditto.
2976 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
2977 * gcc/flow.c (recompute_reg_usage): Ditto.
2978 (rest_of_handle_remove_death_notes): Ditto.
2979 (rest_of_handle_life): Ditto.
2980 (rest_of_handle_flow2): Ditto.
2981 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
2982 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
2983 (do_ssa_store_ccp): Ditto.
2984 (execute_fold_all_builtins): Ditto.
2985 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
2986 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
2987 * gcc/ipa-pure-const.c (static_execute): Ditto.
2988 * gcc/cse.c (rest_of_handle_cse): Ditto.
2989 (rest_of_handle_cse2): Ditto.
2990 * gcc/web.c (rest_of_handle_web): Ditto.
2991 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
2992 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
2993 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2994 * gcc/tree-nrv.c (tree_nrv): Ditto.
2995 (execute_return_slot_opt): Ditto.
2996 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
2997 (create_structure_vars): Ditto.
2998 * gcc/loop-init.c (rtl_loop_init): Ditto.
2999 (rtl_loop_done): Ditto.
3000 (rtl_move_loop_invariants): Ditto.
3001 (rtl_unswitch): Ditto.
3002 (rtl_unroll_and_peel_loops): Ditto.
3003 (rtl_doloop): Ditto.
3004 * gcc/gimple-low.c (lower_function_body): Ditto.
3005 (mark_used_blocks): Ditto.
3006 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
3007 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
3008 (cgraph_early_inlining): Ditto.
3009 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
3010 * gcc/jump.c (cleanup_barriers): Ditto.
3011 (purge_line_number_notes): Ditto.
3012 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
3013 (rest_of_handle_if_after_reload): Ditto.
3014 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
3015 (tree_ssa_loop_im): Ditto.
3016 (tree_ssa_loop_unswitch): Ditto.
3017 (tree_vectorize): Ditto.
3018 (tree_linear_transform): Ditto.
3019 (tree_ssa_loop_ivcanon): Ditto.
3020 (tree_ssa_empty_loop): Ditto.
3021 (tree_ssa_loop_bounds): Ditto.
3022 (tree_complete_unroll): Ditto.
3023 (tree_ssa_loop_prefetch): Ditto.
3024 (tree_ssa_loop_ivopts): Ditto.
3025 (tree_ssa_loop_done): Ditto.
3026 * gcc/predict.c (tree_estimate_probability): Ditto.
3027 * gcc/recog.c (split_all_insns_noflow): Ditto.
3028 (rest_of_handle_peephole2): Ditto.
3029 (rest_of_handle_split_all_insns): Ditto.
3030 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
3031 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
3032 (rest_of_handle_stack_adjustments): Ditto.
3033 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
3034 * gcc/function.c (instantiate_virtual_regs): Ditto.
3035 (init_function_for_compilation): Ditto.
3036 (rest_of_handle_check_leaf_regs): Ditto.
3037 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
3038 (rest_of_handle_gcse): Ditto.
3039 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
3040 * gcc/alias.c (rest_of_handle_cfg): Ditto.
3041 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
3042 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
3043 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
3044 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
3045 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
3046 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
3047 * gcc/except.c (set_nothrow_function_flags): Ditto.
3048 (convert_to_eh_region_ranges): Ditto.
3049 (rest_of_handle_eh): Ditto.
3050 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
3051 (remove_unnecessary_notes): Ditto.
3052 * gcc/except.h (set_nothrow_function_flags): Ditto.
3053 (convert_to_eh_region_ranges): Ditto.
3054 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
3055 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
3056 * gcc/tree-ssa-pre.c (do_pre): Ditto.
3057 (execute_fre): Ditto.
3058 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
3059 (rest_of_handle_jump2): Ditto.
3060 * gcc/tree-sra.c (tree_sra): Ditto.
3061 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
3062 (execute_mudflap_function_decls): Ditto.
3063 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
3064 (do_store_copy_prop): Ditto.
3065 * gcc/ipa-prop.h (ipcp_driver): Ditto.
3066 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
3067 * gcc/tree-ssa-forwprop.c
3068 (tree_ssa_forward_propagate_single_use_vars): Ditto.
3069 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
3070 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
3071 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
3072 (execute_late_warn_uninitialized): Ditto.
3073 * gcc/rtl.h (cleanup_barriers): Ditto.
3074 (split_all_insns_noflow): Ditto.
3075 (purge_line_number_notes): Ditto.
3076 (unshare_all_rtl): Ditto.
3077 (remove_unnecessary_notes): Ditto.
3078 (recompute_reg_usage): Ditto.
3079 (variable_tracking_main): Ditto.
3080 * gcc/integrate.c (emit_initial_value_sets): Ditto.
3081 * gcc/integrate.h (emit_initial_value_sets): Ditto.
3082 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
3083 (execute_free_cfg_annotations): Ditto.
3084 (execute_fixup_cfg): Ditto.
3085 (execute_cleanup_cfg_pre_ipa): Ditto.
3086 (execute_cleanup_cfg_post_optimizing): Ditto.
3087 (execute_init_datastructures): Ditto.
3088 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
3089 * gcc/combine.c (rest_of_handle_combine): Ditto.
3090 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
3091 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
3092 (rest_of_handle_reorder_blocks): Ditto.
3093 (rest_of_handle_partition_blocks): Ditto.
3094 * gcc/var-tracking.c (variable_tracking_main): Ditto.
3095 * gcc/tree-profile.c (tree_profiling): Ditto.
3096 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
3097 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
3098 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
3099 (rest_of_handle_sched2): Ditto.
3100 * gcc/basic-block.h (free_bb_insn): Ditto.
3101 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
3102 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
3103 (remove_useless_stmts): Ditto.
3104 (split_critical_edges): Ditto.
3105 (execute_warn_function_return): Ditto.
3106 (execute_warn_function_noreturn): Ditto.
3107 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
3108 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
3109 * gcc/passes.c (execute_one_pass): Run additional
3110 todos returned by execute function.
3111 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
3114 2006-03-02 Richard Guenther <rguenther@suse.de>
3116 * tree-ssa-alias.c (find_used_portions): Consider taking
3117 the address as making the variable not write-only.
3119 2006-03-02 Nick Clifton <nickc@redhat.com>
3121 * config.gcc (default_use_cxa_atexit): Extend the description of
3122 this configure variable. Set its default value to "yes" for
3123 Linux, NetBSD and ELF targets on the assumption that they will
3124 use C libraries with the __cxa_atexit function.
3126 2006-03-02 Ben Elliston <bje@au.ibm.com>
3128 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3129 parameter as unused to suppress a build warning.
3131 2006-03-02 Ben Elliston <bje@au.ibm.com>
3133 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3136 2006-03-01 Roger Sayle <roger@eyesopen.com>
3139 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3140 declared name, the weak reference name, and the typeof name.
3141 (__gthrw): Avoid expanding the declared name suffix.
3142 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3144 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3146 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3148 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3149 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3150 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3151 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3152 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3153 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3154 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3155 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3156 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3157 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3158 (DW_END_default, DW_END_big, DW_END_little): New.
3159 (DW_END_lo_user, DW_END_hi_user): Define.
3160 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3161 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3162 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3165 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3167 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3169 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3171 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3173 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3175 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3176 to 'symbol_mem_tag'.
3178 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3181 2006-03-01 Roger Sayle <roger@eyesopen.com>
3183 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3185 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3188 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3189 MACHO_DYNAMIC_NO_PIC_P.
3190 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3192 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3195 * config/darwin-protos.h (darwin_asm_output_anchor):
3197 * config/darwin-sections.def (cstring_section):
3198 Add SECTION_MERGE to the flags.
3199 (literal4_section): Likewise.
3200 (literal8_section): Likewise.
3201 (objc_selector_refs_section): Likewise.
3202 (objc_cls_refs_section): Likewise.
3203 * config/darwin.c (darwin_asm_output_anchor): New
3205 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3207 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3209 Fix PR tree-optimization/26443
3210 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3211 to todo and PROP_tmt_usage to properties_destroyed.
3212 * tree-ssa-ccp.c (pass_ccp): Ditto.
3213 (pass_store_ccp): Ditto.
3214 * tree-ssa-dom.c (pass_dominator): Ditto.
3216 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3218 * tree-ssa-operands.c: Cleanup whitespace.
3219 (get_asm_expr_operands): Move before first invocation.
3220 (get_indirect_ref_operands): Likewise.
3221 (get_tmr_operands): Likewise.
3222 (get_call_expr_operands): Likewise.
3223 (append_def): Likewise.
3224 (append_use): Likewise.
3225 (append_v_may_def): Likewise.
3226 (append_v_must_def): Likewise.
3227 (add_call_clobber_ops): Likewise.
3228 (add_call_read_ops): Likewise.
3229 (add_stmt_operand): Likewise.
3230 (add_virtual_operand): Likewise.
3231 (build_ssa_operands): Likewise.
3233 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3238 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3239 with a call expr to ...
3240 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3242 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3244 * tree-vrp.c (extract_range_from_assert): Remove special
3245 handling for types with super-types.
3247 2006-03-01 Ben Elliston <bje@au.ibm.com>
3249 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3250 and powerpc64-*-linux* configurations.
3251 * config/t-dfprules: New file.
3253 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3254 Compile dfp-bit.c from the source directory using -DWIDTH and
3255 $DFP_CFLAGS to control the compilation of that file, rather than
3256 generating width-specific versions in the build directory.
3257 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3258 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3260 2006-02-28 Zack Weinberg <zackw@panix.com>
3262 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3265 2006-02-28 Eric Christopher <echristo@apple.com>
3267 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3268 Set up IN_LIBGCC definition of TARGET_64BIT.
3269 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3271 2006-02-28 Roger Sayle <roger@eyesopen.com>
3274 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3275 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3276 cases via the construction of "expr != 0".
3278 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3280 * alias.c (alias_invariant, alias_invariant_size): Remove.
3281 (record_base_value): Remove.
3282 (memrefs_conflict_p): Don't look at alias_invariant.
3283 (end_alias_analysis): Don't free it.
3284 * alias.h (record_base_value): Remove prototype.
3286 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3287 Adam Nemet <anemet@caviumnetworks.com>
3289 * rtl.h (truncated_to_mode): Declare it.
3290 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3291 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3292 (RTL_HOOKS_INITIALIZER): Include it.
3293 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3294 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3295 reg_truncated_to_mode.
3296 * rtlanal.c (truncated_to_mode): Define it.
3297 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3299 2006-02-28 Jeff Law <law@redhat.com>
3301 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3302 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3303 the range allowed by TYPE_PRECISION.
3305 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3307 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3309 PR tree-optimization/26419
3310 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3313 2006-02-27 Zack Weinberg <zackw@panix.com>
3315 * doc/md.texi: Fix typo in previous change.
3317 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3321 2006-02-27 Zack Weinberg <zackw@panix.com>
3323 * rtl.def (define_constraint, define_register_constraint)
3324 (define_memory_constraint, define_address_constraint): New MD forms.
3325 * gensupport.c (process_rtx): Put define_constraint etc on the
3327 * genpreds.c (process_define_predicate): Adjust comment. Validate
3328 the name, and call validate_exp to validate the expression.
3329 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3330 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3331 all callers changed.
3332 (validate_exp, needs_variable, struct constraint_data)
3333 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3334 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3335 (const_dbl_constraints, constraint_max_namelen)
3336 (have_register_constraints, have_memory_constraints)
3337 (have_address_constraints, have_address_constraints)
3338 (have_extra_constraints, have_const_int_constraints)
3339 (have_const_dbl_constraints, mangle, add_constraint)
3340 (process_define_constraint, process_define_register_constraint)
3341 (write_enum_constraint_num, write_lookup_constraint)
3342 (write_insn_constraint_len, write_regclass_for_constraint)
3343 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3344 (write_insn_extra_memory_constraint)
3345 (write_insn_extra_address_constraint)
3346 (write_satisfies_constraint_fns): New.
3347 (write_tm_preds_h): If we have new-style constraint definitions,
3348 prototype the functions generated from them, and define the
3349 old constraint interface (still used by generic code) in terms of
3351 (write_insn_preds_c): If we have new-style constraint definitions,
3352 generate all relevant functions from those definitions.
3353 (main): Handle define_constraint etc.
3354 * genoutput.c (struct constraint_data, indep_constraints)
3355 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3356 (mdep_constraint_len): New data structures and functions, defined
3357 #ifdef USE_MD_CONSTRAINTS.
3358 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3359 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3360 use new logic to validate operand constraints against constraint
3362 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3364 * defaults.h: If none of the old-style constraint macros are
3365 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3366 old-style macros; and poison REG_CLASS_FROM_LETTER,
3367 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3369 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3370 * doc/md.texi: Document new constraint-definition mechanism and the
3371 C interface it provides. Remove references to old mechanism
3372 elsewhere in the document.
3373 (Machine Constraints): Use pathnames relative to gcc directory,
3374 i.e. config/ARCH/FILE. Change i386 section to refer to
3375 config/i386/predicates.md; update that section to match docstrings.
3376 * doc/tm.texi: Move all documentation of the old constraint-
3377 definition macros to their own section, clearly mark as obsolete.
3379 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3380 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3382 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3383 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3384 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3386 (splits and peepholes): Use satisfies_constraint_*.
3387 * config/i386/i386.c (memory_address_length)
3388 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3390 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3392 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3393 scalar operation to be put back into the loop.
3395 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3398 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3399 (extract_cie_info): Handle S flag in augmentation string.
3400 (execute_cfa_program): If context->signal_frame, execute also
3401 fs->pc == context->ra instructions.
3402 (uw_frame_state_for): If context->signal_frame, don't subtract one
3403 from context->ra to find FDE.
3404 (uw_update_context_1): Set context->signal_frame to
3406 (_Unwind_GetIPInfo): New function.
3407 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3408 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3410 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3411 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3412 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3413 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3414 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3415 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3416 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3417 x86_64_fallback_frame_state): Set fs->signal_frame.
3418 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3419 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3420 (frob_update_context): Likewise. Workaround missing S flag in
3421 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3422 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3423 Remove the psw_addr + 1 hack.
3425 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3427 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3428 with aggregates here.
3429 (find_func_aliases): Remove code for &<aggregate> from here.
3431 2006-02-26 Roger Sayle <roger@eyesopen.com>
3433 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3434 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3435 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3438 2006-02-26 Roger Sayle <roger@eyesopen.com>
3441 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3443 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3445 * opts.c (decode_options): Do not handle flag_strength_reduce.
3446 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3447 and OPT_fstrength_reduce.
3448 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3449 flag_prefetch_loop_arrays for being nonzero.
3450 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3452 (fprefetch-loop-arrays-rtl): Removed.
3453 (flag_prefetch_loop_arrays): Do not specify the value.
3455 * doc/passes.texi: Update documentation of loop optimizer
3457 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3458 -frerun-loop-opt): Remove.
3460 2006-02-26 Richard Guenther <rguenther@suse.de>
3462 PR tree-optimization/26421
3463 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3464 in function calls that are ADDR_EXPRs as using the whole structure.
3466 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3468 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3469 * tree-pass.h (pass_loop_optimize): Remove.
3470 * passes.c (pass_loop_optimize): Never run it.
3471 * toplev.c (backend_init): Don't call init_loop.
3472 * opts.c (flag_loop_optimize_set): Remove.
3473 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3474 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3475 the old RTL loop optimizer when profiling enabled.
3476 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3477 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3478 pre-headers for the sake of the old RTL loop optimizer.
3479 * Makefile.in: Remove all references to loop.o.
3481 * doc/invoke.texi: Remove all references to -floop-optimize
3482 and -frerun-loop-opt.
3484 2006-02-26 Zack Weinberg <zackw@panix.com>
3486 * doc/md.texi (Machine Constraints): Refer to all files with paths
3487 relative to gcc directory (i.e. config/CPU/file). Add missing
3488 @table @code ... @end table to M32C subsection.
3490 2006-02-26 Roger Sayle <roger@eyesopen.com>
3492 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3494 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3496 2006-02-26 Roger Sayle <roger@eyesopen.com>
3497 James A. Morrison <phython@gcc.gnu.org>
3500 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3501 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3502 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3503 signedness of the shift operation.
3505 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3507 PR tree-optimization/26359
3508 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3510 2006-02-25 Roger Sayle <roger@eyesopen.com>
3512 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3513 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3514 as X == 0, and some symmetry related transformations.
3515 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3517 2006-02-25 Roger Sayle <roger@eyesopen.com>
3520 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3521 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3522 symmetry related transformations. Fold (X^C1) == C2 as
3525 2006-02-25 Juergen Weigert <jw@suse.de>
3526 Richard Guenther <rguenther@suse.de>
3528 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3530 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3532 * combine.c (gen_lowpart_or_truncate): Call
3533 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3535 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3537 * doc/invoke.texi: Move -fopenmp description to "Options for
3539 Remove reference to -lgomp.
3541 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3543 * doc/install.texi: Require GNU tar version 1.14.
3545 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3547 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3548 * doc/invoke.texi (C++ Dialect Options): Document
3549 -fno-use-cxa-get-exception-ptr.
3550 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3551 * configure: Regenerate.
3552 * c.opt (fuse-cxa-get-exception-ptr): New.
3553 * c-opts.c (c_common_handle_option): Handle
3554 OPT_fuse_cxa_get_exception_ptr.
3555 * c-common.c (flag_use_cxa_atexit): Update documentation.
3556 (flag_use_cxa_get_exception_ptr): New.
3557 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3558 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3560 (C_COMMON_OVERRIDE_OPTIONS): New.
3562 2006-02-24 Roger Sayle <roger@eyesopen.com>
3565 * combine.c (try_combine): Explicitly check whether GET_CODE is
3566 a SET or a CLOBBER, instead on checking that it isn't a USE.
3568 2006-02-24 Roger Sayle <roger@eyesopen.com>
3570 * fold-const.c (fold_comparison): New subroutine of fold_binary
3571 containing transformations common to both the equality and
3572 ordering relational operators, factored out of fold_binary.
3573 (fold_binary): Separate out the equality operators (EQ_EXPR
3574 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3575 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3576 transformations common to both.
3577 (fold_div_compare): Fix latent bugs in the previously unreachable
3578 LT_EXPR and GE_EXPR cases.
3580 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3582 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3583 decl libname for clog to __clog on AIX.
3585 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3587 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3590 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3591 output traceback table for thunks. Localise rs6000_stack_info call.
3593 2006-02-23 Roger Sayle <roger@eyesopen.com>
3594 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3596 * gthr-posix.h (__gthrw): Fix typo in comment.
3598 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3600 * doc/cpp.texi (Character sets): Document that we do support
3601 input files to be in any character set.
3603 2006-02-23 Jeff Law <law@redhat.com>
3605 * tree.h (PHI_ARG_NONZERO): Remove.
3606 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3607 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3608 node to the new node.
3610 PR tree-optimization/26425
3611 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3612 min/max, then assume its varying.
3614 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3616 PR rtl-optimization/26316
3617 * rtlanal.c (enum may_trap_p_flags): New.
3618 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3619 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3620 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3621 (may_trap_after_code_motion_p): New function.
3622 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3623 (find_invariant_insn): Use may_trap_after_code_motion_p.
3624 * rtl.h (may_trap_after_code_motion_p): Declare.
3626 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3628 * emit-rtl.c (immed_double_const): Cleanup.
3630 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3632 Fix PR tree-optimization/26376
3633 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3636 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3639 * gimplify.c (omp_add_variable): Guard variable size decl test with
3640 DECL_SIZE (decl) check.
3642 2006-02-23 Richard Guenther <rguenther@suse.de>
3645 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3646 like aggregate types.
3648 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3650 * configure.ac: Add --with{,out}-long-double-128 configure option.
3651 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3652 * configure: Rebuilt.
3653 * config.in: Rebuilt.
3654 * doc/install.texi (Options specification): Document
3655 --with-long-double-128.
3657 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3658 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3659 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3660 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3662 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3664 * config/s390/s390.c (override_options): Handle
3665 TARGET_DEFAULT_LONG_DOUBLE_128.
3667 * config/alpha/alpha.c (override_options): Handle
3668 TARGET_DEFAULT_LONG_DOUBLE_128.
3670 * config/sparc/sparc.c (sparc_override_options): Handle
3671 TARGET_DEFAULT_LONG_DOUBLE_128.
3673 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3675 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3676 (real-install-headers-tar, real-install-headers-cpio)
3677 (real-install-headers-cp): New targets.
3679 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3681 * tree.h (variable_section): Delete.
3682 * varasm.c (variable_section): Delete.
3684 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3686 * install.texi: Add notes on install.texi2html.
3687 (Building in parallel): Do not use footnotes.
3689 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3692 * doc/install.texi (Configuration): Document --disable-libgomp.
3694 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3696 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3698 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3700 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3701 (vec_extractv2df_0_sse): New.
3703 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3705 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
3706 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
3707 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
3708 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
3709 to the result of the expression.
3710 (def_cfa_1): Adjust.
3711 (frame_pointer_cfa_offset): Rename to...
3712 (frame_pointer_fb_offset): ... this. Adjust all uses.
3713 (convert_cfa_to_loc_list): Rename to...
3714 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
3715 Pass it on to build_cfa_loc.
3716 (compute_frame_pointer_to_cfa_displacement): Rename to...
3717 (compute_frame_pointer_to_fb_displacement): ... this. New
3718 offset parameter. Use it in computation.
3719 (gen_subprogram_die): Compute cfa_fb_offset with the new
3720 macro, and use it to compute the fb loc list and the
3723 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
3725 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
3726 replaced with register_operand.
3727 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
3728 non-DREG is expensive.
3729 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
3730 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
3733 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
3735 * doc/install.texi2html: Use set -e.
3737 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3739 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3740 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3741 * doc/invoke.texi (-fshared-data): Delete.
3742 * common.opt (fshared-data): Delete.
3743 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
3744 (assemble_static_space): Remove #if 0 code.
3745 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3746 (ASM_OUTPUT_SHARED_LOCAL): Poison.
3747 * config/cris/cris.h: Remove FIXME.
3749 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
3751 * doc/sourcebuild.texi (Front End Directory): No more double-colon
3754 2006-02-21 Jakub Jelinek <jakub@redhat.com>
3757 * combine.c (simplify_shift_const_1): Disable nested shifts
3758 optimization for vector shifts.
3760 2006-02-20 Roger Sayle <roger@eyesopen.com>
3762 PR tree-optimization/26361
3763 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
3764 of unsigned integer types.
3766 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
3768 * tree-chrec.c (eq_evolutions_p): New.
3769 * tree-chrec.h (eq_evolutions_p): Declared.
3770 * tree-data-ref.c: Fix formatting.
3771 (datadep_stats, dependence_stats): New.
3773 (print_direction_vector): New.
3774 (dump_data_dependence_relation): Use print_direction_vector.
3775 (object_analysis, create_data_ref): Handle COMPONENT_REF.
3776 (compute_subscript_distance): Static.
3777 (initialize_data_dependence_relation): Static. Get the number
3778 of loops surrounding the references from the callers, and initialize
3779 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
3780 base_object_differ_p analyzers.
3781 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
3782 compute_overlap_steps_for_affine_1_2,
3783 analyze_subscript_affine_affine): Count the classified dependences.
3784 Print a message when a test failed.
3785 (can_use_analyze_subscript_affine_affine): New.
3786 (analyze_siv_subscript): Compute the data dependences on symbolic
3787 scevs that verify can_use_analyze_subscript_affine_affine.
3788 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3789 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3790 Handle symbolic scevs.
3791 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3793 (subscript_dependence_tester): Moved...
3794 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3795 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3796 DDR_SIZE_VECT instead of getting it in parameter.
3797 (subscript_dependence_tester): ... here. Take as a parameter
3798 loop_nest_depth. Call build_classic_dist_vector and
3799 build_classic_dir_vector.
3800 (compute_affine_dependence): Update subscript_dependence_tester
3801 parameters. Update datadep_stats counters. Call
3802 compute_subscript_distance.
3803 (compute_self_dependence): Save the dist and dir vectors. Call
3804 compute_subscript_distance.
3805 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3806 (compute_all_dependences): Reorder parameters as they were before
3807 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3808 compute_subscript_distance. Update the use of
3809 compute_affine_dependence and initialize_data_dependence_relation.
3810 (find_data_references_in_loop): Handle COMPONENT_REF.
3811 (compute_data_dependences_for_loop): Initialize dependence_stats.
3812 Don't call build_classic_dist_vector and build_classic_dir_vector.
3813 Update the parameters of initialize_data_dependence_relation and
3814 compute_all_dependences. Print the statistics from datadep_stats.
3815 (analyze_all_data_dependences): Static. Not used until the pass for
3816 checking the data dependences is contributed.
3817 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3818 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3819 (initialize_data_dependence_relation, compute_affine_dependence,
3820 analyze_all_data_dependences, compute_subscript_distance): Removed.
3821 (print_direction_vector): New.
3822 * lambda.h (gcd): ... here.
3823 (lambda_vector_gcd): Moved here from gcd_vector.
3824 * lambda-code.c (gcd, gcd_vector): Removed.
3825 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3826 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3828 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3830 * ipa-type-escape.c: Tidy some comments and white space.
3831 * tree-ssa-operands.c: Likewise.
3833 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3836 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3837 (dump_decl_name): Do not walk the decl tree chains.
3838 * tree-pass.h (TDF_CHAIN): Remove.
3840 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3842 * Makefile.in (C): Remove
3844 (.PHONY): Remove C and PROTO
3846 2006-02-20 Roger Sayle <roger@eyesopen.com>
3849 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
3850 deprecated CHAR_TYPE tree code.
3852 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3854 * configure.ac (target_list): Add install-info, dvi, html.
3855 * configure: Regenerate.
3857 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
3858 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
3859 treelang/Make-lang.in: Do not use double-colon rules.
3861 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
3863 * tree.h (struct tree_memory_tag): Add is_used_alone member.
3864 (TMT_USED_ALONE): New macro.
3865 * tree-pass.h (PROP_tmt_usage): New property.
3866 (TODO_update_tmt_usage): New todo.
3867 * tree-ssa-alias.c (updating_used_alone): New variable.
3868 (recalculate_used_alone): New function.
3869 (compute_may_aliases): Set updating_used_alone, call
3870 recalculate_used_alone.
3871 * tree-sra.c (pass_sra): Note that this pass destroys
3872 PROP_tmt_usage, and add TODO_update_tmt_usage.
3873 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
3874 * tree-flow.h (updating_used_alone): Prototype.
3875 (recalculate_used_alone): Ditto.
3876 * passes.c (execute_todo): Add code to set updating_used_alone,
3877 and call recalculate.
3878 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
3879 for clobber if used alone, and add assert to verify used_alone
3882 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
3884 * config/s390/s390.c (legitimize_pic_address): Assertions checking
3885 for non tls symbols added.
3886 (legitimize_address): Do nothing for PLUS expressions if one of the
3887 addends is a tls symbol reference.
3889 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3893 * Makefile.in (LDFLAGS): Define from autoconf substitution.
3895 * Makefile.in (BOOTSTRAPPING): New.
3896 (quickstrap): New definition if BOOTSTRAPPING=yes.
3898 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
3899 * configure.ac: Substitute all_selected_languages with the languages
3900 that were configured. For all the other variables except
3901 lang_specs_files, include all the languages in the tree.
3902 * configure: Regenerate.
3904 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
3905 if there is one. Run the commands to run fixincludes in the same
3908 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
3909 * doc/install.texi: Document exact conventions for searching target tools.
3910 Document --with-build-time-tools. Document toplevel bootstrap. Document
3911 something more about building an Ada cross-compiler. Don't list GNU Make
3912 requirements which affect all platforms.
3914 2006-02-19 Roger Sayle <roger@eyesopen.com>
3917 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
3918 only equivalent if the have both the same mode and precision.
3920 2006-02-20 Ben Elliston <bje@au.ibm.com>
3922 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
3924 2006-02-19 Roger Sayle <roger@eyesopen.com>
3925 Steven Bosscher <stevenb.gcc@gmail.com>
3927 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
3928 constant pool references to identify stack mode constants.
3929 * rtlanal.c (constant_pool_constant_p): New predicate to check
3930 whether operand is a floating point constant in the pool.
3931 * rtl.h (constant_pool_constant_p): Prototype here.
3932 * loop.c (scan_loop): Avoid hoisting constants from the constant
3933 pool on STACK_REGS targets.
3934 (load_mems): Likewise.
3935 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
3936 loads into x87 registers expensive in terms of register pressure.
3938 2006-02-19 Roger Sayle <roger@eyesopen.com>
3940 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
3941 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
3943 2006-02-19 David Edelsohn <edelsohn@gnu.org>
3945 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3946 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
3948 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
3950 * doc/invoke.texi: Document -fipa-pta.
3951 * common.opt: Add ipa-pta option.
3952 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
3953 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
3954 (do_ds_constraint): Ditto.
3955 (get_constraint_for): Only add to referenced_vars if
3956 referenced_vars exists.
3957 (insert_into_field_list): Rewrite to do this unsorted.
3958 (insert_into_field_list_sorted): Rename old insert_into_field_list
3960 (create_function_info_for): Use insert_into_field_list_sorted.
3961 (create_variable_info_for): Rewrite so it uses unsorted version,
3962 since the field list is sorted.
3963 (intra_create_variable_infos): Only add to referenced_vars if
3964 referenced_vars exists.
3965 (ipa_pta_execute): Init heapvars, and delete when done.
3966 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
3968 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3970 * doc/install.texi: Add missing `@samp'.
3972 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3974 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
3977 2006-02-18 Mark Wielaard <mark@klomp.org>
3979 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
3980 who added new 4.1 features, bug fixes and integration support.
3982 2006-02-18 David Edelsohn <edelsohn@gnu.org>
3985 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
3988 2006-02-18 Richard Sandiford <richard@codesourcery.com>
3990 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
3991 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
3992 (copy_insn_1): Likewise. Don't copy each field individually.
3994 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
3996 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
3997 * rtl.c (rtx_size): Rename variable to...
3998 (rtx_code_size): ...this.
3999 (rtx_size): New function.
4000 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
4001 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
4003 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
4004 * rtl.h (rtx_code_size): New variable.
4005 (rtx_size): Change from a variable to a function.
4006 (RTX_SIZE): Rename to...
4007 (RTX_CODE_SIZE): ...this.
4010 PR tree-optimization/17106
4011 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
4012 (Anchored Addresses): New section.
4013 * doc/invoke.texi (-fsection-anchors): Document.
4014 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
4015 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
4016 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
4017 * hooks.c (hook_bool_mode_rtx_false): New function.
4018 * hooks.h (hook_bool_mode_rtx_false): Declare.
4019 * gengtype.c (create_optional_field): New function.
4020 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
4021 SYMBOL_REF_IN_BLOCK_P is true.
4022 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
4023 (min_anchor_offset, max_anchor_offset): Likewise.
4024 (use_anchors_for_symbol_p): New hook.
4025 * toplev.c (compile_file): Call output_object_blocks.
4026 (target_supports_section_anchors_p): New function.
4027 (process_options): Check that -fsection-anchors is only used on
4028 targets that support it and when -funit-at-a-time is in effect.
4029 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
4030 if the decl doesn't have one.
4031 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
4032 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
4033 of force_const_mem through use_anchored_address.
4034 (expand_expr_constant): New function.
4035 (expand_expr_addr_expr_1): Call it. Use the same modifier when
4036 calling expand_expr for INDIRECT_REF.
4037 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
4038 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
4039 * expr.h (use_anchored_address): Declare.
4040 * loop-unroll.c: Don't declare rtx vectors here.
4041 * explow.c: Include output.h.
4042 (validize_mem): Call use_anchored_address.
4043 (use_anchored_address): New function.
4044 * common.opt (-fsection-anchors): New switch.
4045 * varasm.c (object_block_htab, anchor_labelno): New variables.
4046 (hash_section, object_block_entry_eq, object_block_entry_hash)
4047 (use_object_blocks_p, get_block_for_section, create_block_symbol)
4048 (use_blocks_for_decl_p, change_symbol_section): New functions.
4049 (get_variable_section): New function, split out from assemble_variable.
4050 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
4051 use_blocks_for_decl_p say so. Use change_symbol_section if the
4052 symbol has already been created.
4053 (assemble_variable_contents): New function, split out from...
4054 (assemble_variable): ...here. Don't output any code for
4055 block symbols; just pass them to place_block_symbol.
4056 Use get_variable_section and assemble_variable_contents.
4057 (get_constant_alignment, get_constant_section, get_constant_size): New
4058 functions, split from output_constant_def_contents.
4059 (build_constant_desc): Create a block symbol if use_object_blocks_p
4060 says so. Or into SYMBOL_REF_FLAGS.
4061 (assemble_constant_contents): New function, split from...
4062 (output_constant_def_contents): ...here. Don't output any code
4063 for block symbols; just pass them to place_section_symbol.
4064 Use get_constant_section and get_constant_alignment.
4065 (force_const_mem): Create a block symbol if use_object_blocks_p and
4066 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
4067 (output_constant_pool_1): Add an explicit alignment argument.
4068 Don't switch sections here.
4069 (output_constant_pool): Adjust call to output_constant_pool_1.
4070 Switch sections here instead. Don't output anything for block symbols;
4071 just pass them to place_block_symbol.
4072 (init_varasm_once): Initialize object_block_htab.
4073 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
4074 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
4075 (place_block_symbol, get_section_anchor, output_object_block)
4076 (output_object_block_htab, output_object_blocks): New functions.
4077 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
4078 (TARGET_ASM_OUT): Include it.
4079 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
4080 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
4081 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
4082 (TARGET_INITIALIZER): Include them.
4083 * rtl.c (rtl_check_failed_block_symbol): New function.
4084 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
4085 (block_symbol, object_block): New structures.
4086 (rtx_def): Add a block_symbol field to the union.
4087 (BLOCK_SYMBOL_CHECK): New macro.
4088 (rtl_check_failed_block_symbol): Declare.
4089 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
4090 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
4091 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
4092 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
4093 * output.h (output_section_symbols): Declare.
4094 (object_block): Name structure.
4095 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
4096 (default_use_anchors_for_symbol_p): Declare.
4097 * Makefile.in (RTL_BASE_H): Add vec.h.
4098 (explow.o): Depend on output.h.
4099 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
4100 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4101 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4102 (rs6000_use_blocks_for_constant_p): New function.
4104 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4106 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
4108 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
4111 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
4114 2006-02-18 Diego Novillo <dnovillo@redhat.com>
4116 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
4120 2006-02-18 Jakub Jelinek <jakub@redhat.com>
4123 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
4124 instead of DECL_REGISTER.
4126 2006-02-18 Olivier Hainque <hainque@adacore.com>
4129 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4131 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4134 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4135 * opth-gen.awk: Handle Var and InverseMask together.
4136 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4137 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4138 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4139 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4141 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4142 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4143 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4144 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4145 LINUX_DYNAMIC_LINKER): Define.
4146 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4147 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4149 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4150 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4151 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4152 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4153 (TARGET_C99_FUNCTIONS): Don't define.
4154 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4155 GLIBC_DYNAMIC_LINKER.
4156 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4157 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4158 GLIBC_DYNAMIC_LINKER64): Define.
4159 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4160 LINUX_DYNAMIC_LINKER64.
4161 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4162 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4163 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4164 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4165 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4166 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4167 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4168 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4169 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4170 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4171 and LINUX_DYNAMIC_LINKER32.
4172 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4173 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4174 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4175 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4176 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4178 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4179 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4180 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4181 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4182 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4183 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4184 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4185 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4186 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4187 LINUX_DYNAMIC_LINKER): Define.
4188 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4189 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4190 GLIBC_DYNAMIC_LINKER64): Define.
4191 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4192 LINUX_DYNAMIC_LINKER64.
4193 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4194 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4195 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4196 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4197 LINUX_DYNAMIC_LINKER): Define.
4198 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4199 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4200 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4201 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4202 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4203 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4204 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4205 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4206 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4207 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4208 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4209 * doc/invoke.texi (-muclibc): Remove caveat about supported
4212 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4214 * doc/cpp.texi (__TIMESTAMP__): Document.
4216 2006-02-17 Roger Sayle <roger@eyesopen.com>
4219 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4220 C is one less than the width of X (and related transformations).
4221 * simplify-rtx.c (simplify_unary_operation_1): Transform
4222 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4223 depending on STORE_FLAG_VALUE, were C is one less then the
4226 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4228 Fix PR tree-optimization/26341
4229 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4230 about NAME_MEMORY_TAG's.
4232 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4235 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4236 with hardware float support, and software float support. Add fcpy
4237 alternative to hardware patterns. Add alternatives to copy between
4238 general and floating-point registers to the 32-bit pattern.
4239 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4240 secondary reload to load a QI or HI mode constant into a floating
4242 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4243 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4245 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4248 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4250 (load_macho_picbase_di): Likewise.
4252 2006-02-16 Jeff Law <law@redhat.com>
4254 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4255 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4256 (ssa_name_nonzero_p): Likewise.
4257 (get_value_range): Return NULL if VRP is not running.
4258 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4259 VRP routines do not discover a range.
4260 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4261 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4262 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4263 (tree_expr_nonnegative_p): Similarly.
4264 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4265 (restore_nonzero_vars_to_original_value): Remove.
4266 (unsafe_associative_fp_binop): Remove.
4267 (tree_ssa_dominator_optimize): Remove initialization and
4268 finalization of nonzero_vars and nonzero_vars_stack.
4269 (dom_opt_initialize_block): No longer push marker on
4271 (dom_opt_finalize_block): No longer call
4272 restore_nonzero_vars_to_original_value.
4273 (record_equivalences_from_phis): No longer look for
4274 nonzero PHI arguments.
4275 (cprop_into_successor_phis): No longer propagate nonzero
4276 property into PHI arguments. Lose unused argument. Caller
4278 (record_equivalences_from_stmt): No longer record nonzero
4279 values for SSA_NAMEs.
4280 (lookup_avail_expr): No longer use nonzero_vars.
4282 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4283 for sizetype when sizetype is unsigned.
4285 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4287 PR rtl-optimization/25603
4288 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4289 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4290 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4291 with new meaning of SETS.
4293 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4298 * config/linux.opt: New file.
4299 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4300 LINUX_DYNAMIC_LINKER): Define.
4301 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4302 * config.gcc (*-*-linux*): Define extra_options.
4303 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4304 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4305 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4306 GLIBC_DYNAMIC_LINKER.
4307 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4308 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4309 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4310 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4311 * doc/invoke.texi (GNU/Linux Options): New section.
4313 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4315 * config/sparc/sparc.md (setjmp): Rewrite.
4316 (setjmp_32): Delete.
4317 (setjmp_64): Likewise.
4319 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4321 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4324 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4326 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4329 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4331 PR rtl-optimization/26296
4332 * Makefile.in (loop-invariant.c): Add except.h dependency.
4333 * loop-invariant.c: Include except.h.
4334 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4336 2005-02-16 Paul Brook <paul@codesourcery.com>
4338 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4341 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4343 PR rtl-optimization/25636
4344 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4345 when deciding whether an insn is an initializing insn.
4347 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4349 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4350 (tree_code_size): Ditto.
4351 * tree.h (struct tree_memory_tag): Remove parent_var.
4352 (struct tree_struct_field_tag): New.
4355 (union tree_node): Add sft member.
4356 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4358 (create_sft): Add size and offset argument, set SFT_OFFSET and
4360 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4361 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4362 * tree-flow-inline.h (get_subvar_at): Update for
4363 SFT_OFFSET/SFT_SIZE.
4364 (var_can_have_subvars): Ditto.
4365 (overlap_subvar): Ditto.
4366 * print-tree.c (print_node): Print out interesting things for
4368 * tree-flow.h (struct subvar): Remove offset and size members.
4369 * tree-ssa-operands.c (get_expr_operands): Update for
4370 get_indirect_ref_operands changes.
4371 (get_indirect_ref_operands): Call add_virtual_operand instead of
4372 add_stmt_operand. Only recurse on base var if requested.
4373 (access_can_touch_variable): New function.
4374 (add_stmt_operand): Split virtual operand handling into ...
4375 (add_virtual_operand): Here. Add offset, size, and for_clobber
4376 arguments. Prune alias sets.
4377 (add_call_clobber_ops): Call add_virtual_operand.
4379 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4382 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4384 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4385 than TREE_CODE as index into omp_clause_num_ops array.
4387 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4389 PR rtl-optimization/26184
4390 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4392 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4393 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4394 must_precede, must_follow and tobe_scheduled.
4397 * opts.c (common_handle_option): Free new_option pointer.
4398 * df-core.c (df_analyze): Free postorder pointer.
4400 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4402 * Makefile.in: Fix the examples about the use of stamps
4404 2006-02-15 Michael Matz <matz@suse.de>
4408 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4409 influenced by maximum_field_alignment or DECL_PACKED.
4410 (update_alignment_for_field): Ditto.
4411 (place_field): Ditto.
4412 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4415 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4417 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4418 (debug_flow_info): Pass it.
4419 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4420 * bb-reorder.c (reorder_basic_blocks): Likewise.
4421 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4422 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4423 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4424 * gcse.c (gcse_main, bypass_jumps): Likewise.
4425 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4426 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4427 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4428 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4429 * rtl.h (dump_flow_info): Adjust prototype.
4430 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4431 * var-tracking.c (variable_tracking_main): Likewise.
4432 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4433 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4436 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4438 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4441 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4443 PR tree-optimization/26209
4444 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4445 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4447 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4449 2006-02-14 Roger Sayle <roger@eyesopen.com>
4452 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4453 (X,Y) and the corresponding symmetry related transformations.
4454 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4455 (X,Y) and its symmetry related transformations.
4457 2006-02-14 Roger Sayle <roger@eyesopen.com>
4459 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4462 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4464 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4466 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4469 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4470 support COMDAT group.
4471 * configure: Regenerate.
4473 2006-02-14 Roger Sayle <roger@eyesopen.com>
4478 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4480 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4482 Fix PR tree-optimization/26260
4484 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4486 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4487 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4488 * tree-ssa-structalias.c (create_variable_info_for): Use
4489 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4491 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4493 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4495 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4496 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4497 of the ending condition.
4498 * tree-ssa-loop-manip.c: Include params.h.
4499 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4500 tree_unroll_loop): New functions.
4501 * tree-pass.h (pass_loop_prefetch): Declare.
4502 * loop.c (rest_of_handle_loop_optimize): Test for
4503 -fprefetch-loop-arrays-rtl.
4504 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4505 * timevar.def (TV_TREE_PREFETCH): New timevar.
4506 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4507 pass_loop_prefetch): New.
4508 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4509 (cleanup_tree_cfg_loop): Call scev_reset.
4510 * common.opt (fprefetch-loop-arrays-rtl): Add.
4511 * tree-ssa-loop-prefetch.c: New file.
4512 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4513 (new_temp_expr_table): Initialize expr_vars.
4514 (free_temp_expr_table): Cleanup expr_vars.
4515 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4516 expressions from being merged into one.
4517 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4518 (struct tree_niter_desc): Add control, bound and cmp fields.
4519 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4521 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4522 (tree-cfgcleanup.o): Add SCEV_H dependency.
4523 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4524 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4526 2006-02-14 Richard Guenther <rguenther@suse.de>
4528 PR tree-optimization/26258
4529 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4530 in PHI argument processing.
4532 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4534 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4535 new expression in the requested machine mode.
4537 2006-02-13 Roger Sayle <roger@eyesopen.com>
4539 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4540 directly, instead let do_compare_rtx_and_jump handle this for us.
4541 * expr.c (expand_expr_real_1): Likewise.
4542 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4543 before do_jump_by_parts_greater.
4544 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4545 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4547 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4549 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4551 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4553 PR rtl-optimization/26235
4554 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4555 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4558 2006-02-13 Jeff Law <law@redhat.com>
4560 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4563 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4566 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4567 twice if decl is a builtin. When trying again, call get_callee_fndecl
4568 first to verify it is still a builtin.
4570 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4572 * dwarf2out.c (base_type_die): Don't add AT_name here.
4573 (subrange_type_die): Don't add AT_name here.
4574 (modified_type_die): Rearrange code flow. Do add AT_name here.
4576 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4578 PR rtl-optimization/26247
4579 PR rtl-optimization/26248
4580 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4582 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4584 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4585 * config/fixtfdi.c: Likewise.
4586 * config/fixunstfdi.c: Likewise.
4587 * config/floatditf.c: Likewise.
4589 2006-02-13 Roger Sayle <roger@eyesopen.com>
4592 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4593 into (X,C2) if C1 is a subset of the bits of C2. Transform
4594 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4596 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4598 2006-02-13 Josh Conner <jconner@apple.com>
4601 * varasm.c (function_section): Check for section name before
4602 calling select_section on targets that define
4603 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4604 unlikely_text_section instead of hot_function_section if
4605 first_function_block_is_cold.
4607 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4610 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4612 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4614 PR rtl-optimization/26222
4615 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4616 after tree->rtl expansion.
4617 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4618 before passing it to emit_move_insn.
4620 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4622 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4624 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4625 Clarify documentation.
4626 * c-common.h (warn_write_strings): Remove.
4627 * c-common.c (warn_write_strings): Likewise.
4628 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4631 2006-02-12 Roger Sayle <roger@eyesopen.com>
4634 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4635 (do_jump_parts_zero_rtx): New function renamed from
4636 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4637 (do_jump_parts_equality_rtx): New function split out from
4638 do_jump_parts_equality. Old implementation renamed as above.
4639 Call do_jump_parts_zero_rtx if either operand is zero.
4640 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4641 do all of the heavy lifting.
4642 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4643 calling either do_jump_by_parts_greater_rtx or
4644 do_jump_by_parts_equality_rtx.
4645 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4646 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4647 moved to do_compare_rtx_and_jump, call it directly.
4648 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4649 mode argument. Call do_compare_rtx_and_jump.
4650 (emit_case_nodes): Update calls to do_jump_if_equal.
4652 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4654 PR rtl-optimization/26225
4655 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4657 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4659 PR rtl-optimization/26232
4660 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4662 2006-02-11 Jason Merrill <jason@redhat.com>
4665 * tree-inline.c (declare_return_variable): Just don't use the
4666 modify target if it's a gimple complex reg and the return slot
4669 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4671 * doc/contrib.texi: Update my entry.
4673 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4675 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4677 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4679 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4682 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4684 * doc/invoke.texi (-floop-optimize2): Removed.
4685 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4686 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4687 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4688 * common.opt (floop-optimize2): Removed.
4689 (fmove-loop-invariants): Enabled by default.
4691 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4693 * tree-if-conv.c (combine_blocks): Free the result of
4694 get_loop_exit_edges.
4696 2006-02-10 Jeff Law <law@redhat.com>
4698 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4700 PR tree-optimization/26213
4701 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4702 loop trying to follow SSA_NAME_VALUE chains.
4704 2006-02-10 Richard Guenther <rguenther@suse.de>
4706 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
4707 deal with structures that end in implicitly variable sized arrays.
4709 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4711 PR rtl-optimization/24762
4712 * df-scan.c (df_bb_refs_record): Record correct registers defined on
4715 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4717 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4718 (struct ivopts_data): Add regs_used field.
4719 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
4720 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
4721 instead of loop_data->regs_used;
4722 (free_loop_data): Do not free aux fields for loops.
4723 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
4724 and tree_ssa_iv_optimize_finalize.
4726 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
4728 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
4730 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4733 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
4734 computing the effective result type.
4736 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4739 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4740 (tree_overlaps_hard_reg_set): Declare.
4741 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
4742 type and signature to match function type expected by walk_tree.
4743 (tree_overlaps_hard_reg_set): New function.
4744 (decl_conflicts_with_clobbers_p): Rename to:
4745 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
4746 Use tree_overlaps_hard_reg_set. Changed caller.
4747 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
4748 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
4749 * cris.c (cris_md_asm_clobbers): Likewise.
4751 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
4753 * reload1.c (emit_input_reload_insns): Delete code that tries to
4754 inherit using find_equiv_reg.
4756 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
4758 * c-common.h (flag_const_strings): Don't declare.
4759 * c-common.c (flag_const_strings): Remove.
4760 * c.opt (fconst_strings): Remove.
4761 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
4762 <OPT_Wwrite_strings>: Don't set flag_const_strings.
4763 (c_common_init_options): Don't set flag_const_strings.
4764 * doc/invoke.texi (-fno-const-strings): Remove documentation.
4766 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
4768 * arm.md (tlobits_cbranch): New pattern.
4769 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
4770 testing a single bit.
4772 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4775 * tree-ssa-pre.c (create_component_ref_by_pieces):
4776 Handle RETURN_DECL like VAR_DECL.
4778 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4781 * fold-const.c (fold_indirect_ref_1): Fold
4782 "*(foo *)&complexfoo" to "__real__ complexfoo"
4783 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
4785 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4787 * tree-flow-inline.h (var_can_have_subvars):
4788 Volatile variables should not have subvariables.
4790 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4793 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4794 multiplying unsigned values.
4797 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4799 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4801 2006-02-08 Jason Merrill <jason@redhat.com>
4804 * tree.def: Elaborate on difference from MODIFY_EXPR.
4805 * doc/c-tree.texi (INIT_EXPR): Likewise.
4806 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4807 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4808 (gimplify_target_expr): Likewise.
4809 (gimplify_cond_expr): Remove target handling.
4810 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4811 (gimplify_expr): Clobber it here.
4812 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4813 Do return slot optimization if we have an INIT_EXPR.
4816 * tree-inline.c (declare_return_variable): Also clear
4817 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4820 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4823 * gimplify.c (gimplify_one_sizepos): Fix typo.
4825 2006-02-08 Jeff Law <law@redhat.com>
4827 PR tree-optimization/21417
4828 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4829 across a backedge if the control statement at the end of the
4830 block is data dependent on other statements in the same block.
4831 (record_temporary_equivalences_from_stmts): Remove over-conservative
4832 test for threading across backedges.
4834 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4835 control statement, handle all three special cases in the same
4836 manner as they all have the same desired solution. No longer
4837 special case edge flag updating when the post dominator is
4840 2006-02-08 Roger Sayle <roger@eyesopen.com>
4842 * tree.def (CHAR_TYPE): Remove.
4843 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4844 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4845 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4846 (gen_string_type_die): Delete unreachable function.
4848 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
4849 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
4850 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
4851 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
4852 * builtins.c (type_to_class): Likewise.
4853 * fold-const.c (fold_convert, build_range_check,
4854 merge_ranges): Likewise.
4855 * expr.c (count_type_elements): Likewise.
4856 * c-pretty-print.c (pp_c_type_specifier): Likewise.
4857 * stor-layout.c (layout_type): Likewise.
4858 * ipa-type-escape.c (type_to_consider): Likewise.
4859 * gimplify.c (omp_firstprivatize_type_sizes,
4860 gimplify_type_sizes): Likewise.
4861 * explow.c (promote_mode): Likewise.
4862 * tree-sra.c (is_sra_scalar_type): Likewise.
4863 * varasm.c (output_constant): Likewise.
4864 * tree-inline.c (remap_type_1): Likewise.
4865 * convert.c (convert_to_pointer, convert_to_real,
4866 convert_to_integer, convert_to_complex): Likewise.
4868 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
4870 * df-scan.c (df_def_record_1): A set destination may
4871 be a parallel regardless of mode.
4873 2006-02-08 Roger Sayle <roger@eyesopen.com>
4876 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
4877 * config/mips/_tilib.c: Remove.
4878 * config/fixtfdi.c: New libgcc source file.
4879 * config/fixunstfdi.c: New source file.
4880 * config/floatditf.c: New source file.
4881 * config/floatunditf.c: New souce file.
4882 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4883 files above instead of config/mips/_tilib.c.
4884 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4886 2006-02-08 Jeff Law <law@redhat.com>
4888 PR tree-optimization/26169
4889 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
4892 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
4894 * df.h (DF_REG_SIZE): Return the length of the initialized
4897 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
4899 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
4900 __muldf3): Return a correctly signed zero.
4902 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
4904 * passes.c (register_one_dump_file): Accept the current properties
4905 instead of pass number. Adjust call to dump_register. Remove
4907 (register_dump_files): Now a wrapper around...
4908 (register_dump_files_1): ... this one. Do not modify the pass
4910 (next_pass_1): Cosmetic fix.
4911 (execute_todo): Keep second parameter only. Use curr_properties
4912 instead of fetching it from the pass structure. Check and set
4914 (execute_one_pass): Handle TODO_set_props. Use curr_properties
4915 instead of fetching it from the pass structure. Fix calls to
4916 execute_todo. Update curr_properties and initialize .vcg RTL dump
4917 after running the pass. Reset last_verified.
4918 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
4920 (FIRST_AUTO_NUMBERED_DUMP): New.
4921 (dump_register): Remove "num" parameter, assign it within the
4923 (get_dump_file_name): Modify template for dumps.
4924 * tree-dump.h (dump_register): Adjust prototype.
4925 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
4926 (PROP_trees): Add PROP_gimple_lomp.
4927 (TODO_set_props): New.
4928 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
4929 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
4930 * cfgexpand.c (pass_expand): Destroy PROP_trees.
4932 2006-02-08 Jakub Jelinek <jakub@redhat.com>
4934 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
4935 (sparc64-*-linux*): Likewise.
4936 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
4937 * config/sparc/t-linux: New file.
4938 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
4939 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
4940 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
4941 -m32 -mlong-double-128.
4943 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
4944 * config/alpha/t-linux: New file.
4945 * config/alpha/libgcc-alpha-ldbl.ver: New file.
4947 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
4948 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
4949 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
4950 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
4951 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
4952 (CPP_ARCH32_SPEC): Remove.
4954 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
4956 PR tree-optimization/26145
4957 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
4960 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4963 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
4964 >= 240000 when generating code for SOM runtime.
4965 (output_indirect_call): Don't use "b,l" instruction for indirect calls
4966 to $$dyncall when generating code for SOM runtime..
4968 2006-02-07 Dirk Mueller <dmueller@suse.com>
4971 * doc/invoke.texi (-Wsequence-point): Update documentation
4972 that -Wsequence-point is implemented for C++ as well.
4974 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4976 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
4977 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
4978 (LIB_SPEC): Likewise.
4979 * doc/invoke.texi (SPARC options): Document -pthread.
4981 2006-02-07 Geoffrey Keating <geoffk@apple.com>
4983 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
4986 2006-02-07 Roger Sayle <roger@eyesopen.com>
4988 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
4989 Correct comment describing BOOLEAN_TYPE.
4991 2006-02-07 Dirk Mueller <dmueller@suse.com>
4993 * c.opt: C++ frontend supports -Wdiv-by-zero.
4994 * c-opts.c (c_common_handle_option): Remove dead case.
4996 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4998 * configure.ac (TLS assembler check): Do not enable TLS by
4999 default on SPARC/Solaris before version 10.
5000 * configure: Regenerate.
5002 2006-02-07 David Edelsohn <edelsohn@gnu.org>
5004 * doc/invoke.texi (xl-compat): Document conversion and support
5007 2006-02-07 Jeff Law <law@redhat.com>
5009 * tree-vrp.c (find_conditional_asserts): Update comments.
5010 (simplify_stmt_for_jump_threading): New.
5011 (identify_jump_threads, finalize_jump_threads): New.
5012 (vrp_finalize): Call identify_jump_threads.
5013 (execute_vrp): Call finalize_jump_threads.
5014 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
5015 (vrp_element, vrp_data, vrp_element_p): Remove.
5016 (vrp_hash_elt, vrp_variables_stack): Remove.
5017 (vrp_hash, vrp_eq, record_range): Remove.
5018 (simplify_cond_and_lookup_avail_expr): Remove.
5019 (extract_range_from_cond): Remove.
5020 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
5021 (simplify_stmt_for_jump_threading): New.
5022 (dom_thread_across_edge): New wrapper.
5023 (tree_ssa_dominator_optimize): No longer initialize or
5024 finalize any of the VRP datastructures. Remove iteration
5025 step and simplify as a result of removal of iteration step.
5026 (pass_dominator): Perform a cfg cleanup after DOM.
5027 (dom_opt_finalize_block): Use the new common routines
5028 for threading jumps. Simplify stack management slightly.
5029 No longer need to unwind VRP state.
5030 (record_equivalences_from_incoming_edge): No longer record
5032 (eliminate_redundant_computations): No longer call
5033 simplify_cond_and_lookup_avail_expr.
5034 * tree-flow.h (potentially_threadable_block): Prototype.
5035 (thread_across_edge): Likewise.
5036 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
5037 (tree-ssa-threadedge.o): Add dependencies.
5038 * tree-ssa-threadedge.c: New file.
5039 * passes.c (init_optimization_passes): Merge PHIs before
5040 calling VRP. Run VRP again late in the SSA optimization pipeline.
5042 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
5044 * df-core.c (df_set_blocks): Do not dereference function pointers.
5045 (df_finish1): Likewise.
5046 (df_hybrid_search_forward): Likewise.
5047 (df_hybrid_search_backward): Likewise.
5048 (df_iterative_dataflow): Likewise.
5049 (df_analyze_problem): Likewise.
5050 (df_compact_blocks): Likewise.
5051 (df_dump): Likewise.
5052 * df-scan.c (df_rescan_blocks): Likewise.
5053 (df_record_entry_block_defs): Likewise.
5055 * genconditions.c (write_conditions): Guard the definition of
5056 'insn_conditions' with the check on GCC version.
5057 (write_writer): Guard the traversal 'insn_conditions' with
5058 the check on GCC version.
5060 2006-02-07 Richard Guenther <rguenther@suse.de>
5064 2006-01-30 Richard Guenther <rguenther@suse.de>
5066 * gimplify.c (gimplify_target_expr): Handle easy cases
5067 without creating a temporary.
5069 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
5071 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
5072 use of float in probability computations. Use edge probabilities
5073 in place of statically computed probabilities.
5074 (min_spec_prob): New static variable.
5075 (schedule_insns): Initialize it.
5076 (GET_SRC_PROB): Removed.
5077 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
5079 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
5082 * config/ia64/unwind-ia64.c: Revert last change.
5083 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
5084 (INCOMING_FRAME_SP_OFFSET): Define.
5086 2006-02-06 Roger Sayle <roger@eyesopen.com>
5088 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
5090 2006-02-07 Ben Elliston <bje@au.ibm.com>
5092 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
5093 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
5094 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
5095 (ix86_return_in_memory): Handle TDmode.
5096 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
5097 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
5099 2006-02-06 Richard Sandiford <richard@codesourcery.com>
5101 * reorg.c (dbr_schedule): Use dump_file instead of file.
5103 2006-02-06 Steve Ellcey <sje@cup.hp.com>
5106 * config/ia64/predicates.md (extr_len_operand): New predicate.
5107 * config/ia64/ia64.md (extv): Tighten constraints.
5109 (*tbit_and_2): Ditto.
5110 (*tbit_and_3): Ditto.
5111 (*tbit_or_2): Ditto.
5112 (*tbit_or_3): Ditto.
5116 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
5119 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
5121 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
5123 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
5124 loop_optimizer_init and loop_optimizer_finalize
5125 * tree-ssa-sink.c (execute_sink_code): Ditto.
5126 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5127 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5128 tree_ssa_loop_done): Ditto.
5129 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5130 * sched-ebb.c: Include output.h.
5131 (schedule_ebbs): Do not use dump argument.
5132 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5133 * loop.c (loop_dump_stream): Removed.
5134 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5136 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5137 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5138 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5139 loop_iterations, strength_reduce, record_biv, record_giv,
5140 final_giv_value, check_final_value, check_ext_dependent_givs,
5141 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5142 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5143 dump_file instead of loop_dump_stream.
5144 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5146 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5148 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5149 * haifa-sched.c: Include output.h
5150 (schedule_insns, sched_init): Do not use dump argument.
5151 * mode-switching.c (optimize_mode_switching): Ditto.
5152 * modulo-sched.c (stats_file): Removed.
5153 (print_node_sched_params): Do not call argument dump_file.
5154 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5155 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5157 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5159 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5160 rtl_loop_init, rtl_loop_done): Ditto.
5161 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5162 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5164 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5165 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5166 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5167 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5168 * emit-rtl.c (renumber_insns): Ditto.
5169 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5170 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5171 * regclass.c (regclass): Ditto.
5172 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5173 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5174 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5175 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5177 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5178 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5180 * gcse.c (gcse_file, debug_stderr): Removed.
5181 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5182 rest_of_handle_gcse): Do not use dump argument.
5183 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5184 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5185 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5186 compute_code_hoist_vbeinout, compute_code_hoist_data,
5187 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5188 compute_store_table, build_store_vectors, insert_insn_start_bb,
5189 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5190 store_motion): Use dump_file instead of gcse_file.
5191 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5192 * profile.c (profile_dump_file): Removed.
5193 (branch_prob): Use dump_file instead of profile_dump_file.
5194 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5196 * tree-ssa-copy.c (dump_copy_of): Ditto.
5197 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5198 dump file to life_analysis.
5199 * bt-load.c (branch_target_load_optimize): Ditto.
5200 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5202 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5203 regclass, dbr_schedule): Declaration changed.
5204 * sched-int.h (sched_init): Declaration changed.
5205 * tree-profile.c (tree_profile_dump_file): Removed.
5206 (tree_profile_hooks): Removed profile_dump_file hook.
5207 * rtl-profile (rtl_profile_dump_file): Removed.
5208 (rtl_profile_hooks): emoved profile_dump_file hook.
5209 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5211 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5212 * tree-cfg.c (build_tree_cfg): Ditto.
5213 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5214 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5215 Declaration changed.
5216 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5217 life_analysis and schedule_insns.
5218 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5220 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5222 * config/mips/mips.c (mips_reorg): Ditto.
5223 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5226 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5228 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5229 (s390_mangle_fundamental_type): New.
5230 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5233 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5234 (alpha_mangle_fundamental_type): New.
5235 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5238 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5240 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5242 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5243 (sparc_mangle_fundamental_type): New.
5245 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5247 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5248 (s390x-*-linux*): Likewise.
5249 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5250 * config/s390/t-linux: New file.
5252 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5254 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5255 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5257 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5259 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5260 (ANTIC_SAFE_LOADS): New macro.
5261 (find_or_generate_expression): Add prototype.
5262 (set_contains_value): Allow null set for sake of not always having
5263 to allocate ANTIC_SAFE_LOADS.
5264 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5265 Allow COMPONENT_REF too.
5266 (valid_in_set): Allow COMPONENT_REF.
5267 Check ANTIC_SAFE_LOADS too.
5268 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5269 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5271 (can_PRE_operation): Add COMPONENT_REF.
5272 (create_component_ref_by_pieces): New function.
5273 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5274 (insert_aux): Move AGGREGATE_TYPE_P check here.
5275 (compute_avail): Set bb local stmt uids.
5276 (pass_pre): Use TODO_update_ssa_only_virtuals.
5278 2006-02-06 Ben Elliston <bje@au.ibm.com>
5280 * configure.ac: Unconditionally disable decimal float by default.
5281 * configure: Regenerate.
5283 2006-02-06 Ben Elliston <bje@au.ibm.com>
5285 * read-rtl.c (read_name): Terminate reading on EOF.
5287 2006-02-06 Ben Elliston <bje@au.ibm.com>
5289 * dfp.c (decimal_real_arithmetic): Change second argument type
5290 from int to enum tree_code. Do not always return true, but now
5291 return result of any call to decimal_do helper functions.
5292 * dfp.h (decimal_real_arithmetic): Update prototype.
5294 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5296 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5298 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5301 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5304 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5306 * tree-vrp.c (cfg_loops): Removed.
5307 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5308 Use current_loops instead of cfg_loops. Pass flags to
5309 loop_optimizer_init.
5310 * cfgloopmanip.c (fix_loop_structure): Update only available
5312 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5313 loop_optimizer_init.
5314 * modulo-sched.c (build_loops_structure): Removed.
5315 (sms_schedule): Use loop_optimizer_init.
5316 * loop-init.c (loop_optimizer_init): Use flags to determine
5317 which properties of loops to prepare.
5318 (rtl_loop_init): Pass flags to loop_optimizer_init.
5319 * tree-ssa-sink.c (execute_sink_code): Ditto.
5320 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5321 * tree-ssa-pre.c (init_pre): Ditto.
5322 * cfgloop.h (LOOPS_NORMAL): New.
5323 (loop_optimizer_init): Declaration changed.
5325 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5327 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5328 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5330 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5332 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5334 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5335 * pa/t-pa64: Delete quadlib.c rule.
5336 * pa/x-ada: Revert last change.
5337 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5339 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5341 PR rtl-optimization/26087
5342 * rtlanal.c (canonicalize_condition): Do not cross basic block
5345 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5348 * config/ia64/ia64.c: Include debug.h.
5349 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5350 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5351 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5352 (process_epilogue, process_set, process_for_unwind_directive):
5353 Output unwind info only if requested. Add CFA info if requested.
5354 Add new arguments as needed. Adjust callers.
5355 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5357 (DWARF2_FRAME_INFO): Define to zero.
5358 * config/ia64/unwind-ia64.c: Remove code that compensated for
5359 the CFA offset error fixed above.
5360 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5361 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5362 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5363 -funwind-tables and -fexceptions to enable frame info.
5364 (dwarf2out_frame_init): Define initial CFA even if
5365 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5366 DWARF2_UNWIND_INFO is nonzero, not just defined.
5367 (dwarf2out_frame_finish): Output non-EH call frame info only
5368 if DWARF2_FRAME_INFO is nonzero.
5369 (convert_cfa_to_loc_list,
5370 compute_frame_pointer_to_cfa_displacement): Define even if
5371 unwind info is not supported.
5372 (gen_subprogram_die): Use the above unconditionally. Remove
5373 legacy alternate code.
5374 * toplev.c (compile_file): Compile in call to
5375 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5376 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5378 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5379 Jakub Jelinek <jakub@redhat.com>
5381 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5382 IBM extended float format long double as "g" on powerpc*-linux.
5384 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5387 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5388 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5390 2006-02-03 Jason Merrill <jason@redhat.com>
5393 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5396 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5397 on the return slot if it's an NRV.
5399 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5401 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5402 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5403 rewrite_use): Do not handle USE_OUTER.
5404 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5405 add_iv_outer_candidates, may_replace_final_value,
5406 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5407 (find_interesting_uses_op): Functionality of
5408 find_interesting_uses_outer_or_nonlin moved here.
5409 (find_interesting_uses_outside): Use find_interesting_uses_op.
5411 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5414 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5416 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5417 Ulrich Weigand <uweigand@de.ibm.com>
5420 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5421 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5422 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5423 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5425 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5426 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5427 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5428 Define secondary reloads for TFmode moves.
5429 (constant_modes): Add TFmode.
5430 (NR_C_MODES): Set to 8.
5431 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5433 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5434 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5435 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5436 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5437 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5438 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5439 (FPR mode macro): Add TFmode.
5440 (DSF mode macro): New.
5441 (<de>, <dee> mode attributes): Removed.
5442 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5443 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5444 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5445 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5446 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5447 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5448 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5449 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5450 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5451 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5452 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5453 "*negabs<mode>2", "sqrt<mode>2"):
5454 Changed <de> to <xde>. R constraint replaced by <Rf>.
5455 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5457 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5458 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5459 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5461 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5462 "extenddftf2", "extendsftf2"): New expanders.
5463 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5464 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5465 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5466 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5468 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5469 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5470 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5471 __floatditf): Add a GCC_4.1.0 symbol version tag.
5472 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5475 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5478 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5479 Use targetm.binds_local_p instead of TREE_PUBLIC.
5481 2006-02-02 Roger Sayle <roger@eyesopen.com>
5483 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5484 on INTEGER_TYPEs to indicate that it denotes a character type.
5485 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5486 signed_char_type_node, unsigned_char_type_node and char_type_node.
5487 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5488 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5489 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5491 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5492 Daniel Berlin <dberlin@dberlin.org>
5494 * tree-tailcall.c (arg_needs_copy_p): New function.
5495 (eliminate_tail_call): Use arg_needs_copy_p.
5496 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5497 (add_virtual_phis): New function.
5499 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5501 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5502 #ignore instead of #scratch for %g7 .register directive.
5504 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5506 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5509 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5511 * flow.c (calculate_global_regs_live): Assert that there aren't any
5514 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5516 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5518 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5519 bsi_after_labels iterator.
5520 * tree-if-conv.c (find_phi_replacement_condition,
5521 replace_phi_with_cond_modify_expr): Likewise.
5522 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5523 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5525 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5527 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5529 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5532 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5533 array after growing it.
5535 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5538 * fold-const.c (fold_checksum_tree): Change type of buf.
5540 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5542 * reload.c (push_secondary_reload): Initialize t_icode.
5544 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5546 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5547 -msoft-float -mlong-double-128 only issue a warning, but don't
5548 swich to DFmode long double.
5550 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5552 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5553 has a constant equivalent, iterate over equivalents for arg0,
5554 calling simplify_relational_operation and if there's a result
5555 cheaper than X, apply fold_rtx and return the result.
5557 2006-02-01 Jan Hubicka <jh@suse.cz>
5559 * opts.c (no_unit_at_a_time_default): New global variable.
5560 (decode_options): Use it.
5561 * opts.h (no_unit_at_a_time_default): Declare.
5563 2006-02-01 Paul Brook <paul@codesourcery.com>
5565 * function.c (assign_parm_setup_reg): Use function argument promotion
5567 * expr.c (expand_expr_real_1): Use function argument promotion rules
5570 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5572 * gcc.c (process_command): Change j to 'unsigned int'.
5574 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5577 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5578 Use the corrected index for the character
5579 out of the string constant.
5581 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5583 * mode-switching.c (optimize_mode_switching): Fix size
5584 allocated for bb_info[n_entities].
5586 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5588 * gcc.c (main): Correct type that is allocated for
5589 explicit_link_files.
5591 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5593 * config/s390/s390.c (init_alignment_context): Set
5594 ALIAS_SET_MEMORY_BARRIER on the MEM.
5595 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5597 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5600 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5602 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5605 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5607 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5608 * regrename.c: Ditto.
5609 * tree-ssa-loop-im.c: Ditto.
5610 * tree-dump.c: Ditto.
5611 * tree-complex.c: Ditto.
5612 * genrecog.c: Ditto.
5613 * tree-ssa-threadupdate.c: Ditto.
5615 * java/class.c: Ditto.
5616 * java/jcf-parse.c: Ditto.
5617 * java/resource.c: Ditto.
5618 * java/except.c: Ditto.
5619 * java/jvspec.c: Ditto.
5620 * java/jcf-write.c: Ditto.
5621 * java/jcf-path.c: Ditto.
5622 * java/gjavah.c: Ditto.
5623 * java/zextract.c: Ditto.
5624 * java/jcf-io.c: Ditto.
5625 * java/jcf.h: Ditto.
5626 * java/buffer.c: Ditto.
5627 * java/lang.c: Ditto.
5628 * java/parse-scan.y: Ditto.
5629 * java/lex.c: Ditto.
5630 * java/lex.h: Ditto.
5631 * cfgloopmanip.c: Ditto.
5632 * postreload-gcse.c: Ditto.
5633 * tree-ssa-loop-manip.c: Ditto.
5634 * postreload.c: Ditto.
5635 * tree-ssa-loop-ch.c: Ditto.
5639 * diagnostic.c: Ditto.
5641 * genoutput.c: Ditto.
5643 * cfghooks.c: Ditto.
5644 * cfgloopanal.c: Ditto.
5645 * objc/objc-act.c: Ditto.
5647 * genextract.c: Ditto.
5648 * genautomata.c: Ditto.
5649 * pretty-print.c: Ditto.
5651 * cgraphunit.c: Ditto.
5654 * haifa-sched.c: Ditto.
5655 * dominance.c: Ditto.
5657 * tree-ssa-loop-ivopts.c: Ditto.
5659 * mode-switching.c: Ditto.
5660 * modulo-sched.c: Ditto.
5662 * ipa-pure-const.c: Ditto.
5664 * fix-header.c: Ditto.
5666 * tree-stdarg.c: Ditto.
5667 * ipa-utils.c: Ditto.
5668 * loop-init.c: Ditto.
5669 * ipa-inline.c: Ditto.
5672 * alloc-pool.c: Ditto.
5673 * dwarf2out.c: Ditto.
5675 * genattrtab.c: Ditto.
5676 * tree-ssa-loop-ivcanon.c: Ditto.
5680 * fortran/gfortranspec.c: Ditto.
5682 * local-alloc.c: Ditto.
5683 * langhooks.c: Ditto.
5684 * function.c: Ditto.
5685 * tree-vectorizer.c: Ditto.
5687 * ipa-type-escape.c: Ditto.
5689 * tree-if-conv.c: Ditto.
5692 * tree-data-ref.c: Ditto.
5693 * loop-unroll.c: Ditto.
5694 * treelang/treetree.c: Ditto.
5697 * ggc-common.c: Ditto.
5699 * coverage.c: Ditto.
5701 * tree-cfgcleanup.c: Ditto.
5702 * tree-ssa-pre.c: Ditto.
5703 * cfgcleanup.c: Ditto.
5704 * loop-invariant.c: Ditto.
5706 * ipa-prop.c: Ditto.
5707 * print-tree.c: Ditto.
5708 * conflict.c: Ditto.
5709 * ggc-page.c: Ditto.
5710 * sched-deps.c: Ditto.
5711 * regclass.c: Ditto.
5712 * tree-object-size.c: Ditto.
5714 * bb-reorder.c: Ditto.
5715 * resource.c: Ditto.
5716 * var-tracking.c: Ditto.
5718 * df-problems.c: Ditto.
5719 * reg-stack.c: Ditto.
5722 * sched-rgn.c: Ditto.
5723 * tree-ssa-structalias.c: Ditto.
5724 * tree-ssa-reassoc.c: Ditto.
5725 * config/darwin-c.c: Ditto.
5726 * config/darwin.c: Ditto.
5727 * config/arm/arm.c: Ditto.
5729 * collect2.c: Ditto.
5732 2006-01-31 Nicolas Pitre <nico@cam.org>
5734 * arm.md (smaxsi3): Make aware of smax_m1.
5737 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
5739 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5741 2006-01-31 Richard Guenther <rguenther@suse.de>
5743 * doc/invoke.texi (-msselibm): Document.
5744 * target.h (expand_library_builtin): New target hook.
5745 * builtins.c (expand_builtin): Use expand_library_builtin.
5746 (default_expand_library_builtin): New function.
5747 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5748 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5749 (link_gcc_math_spec): Declare.
5750 (static_specs): Add link_gcc_math_spec.
5751 * expr.h (default_expand_library_builtin): Declare.
5752 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5753 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5754 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5755 * config/i386/i386.opt (msselibm): New target option.
5756 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5757 (ix86_init_sse_abi_builtins): New function.
5758 (ix86_expand_library_builtin): Likewise.
5759 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5760 (override_options): Handle error conditions wrt -msselibm.
5761 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5762 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5763 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5766 2006-01-31 Richard Guenther <rguenther@suse.de>
5767 Paolo Bonzini <bonzini@gnu.org>
5769 * doc/install.texi (--disable-libgcc-math): Document.
5771 2006-01-30 Marcin Dalecki <martin@dalecki.de>
5773 * expr.h (expand_normal): new inline function.
5774 * builtins.c: use it, use EXPAND_NORMAL explicitely.
5776 * dwarf2out.c: use it.
5781 * config/sparc/sparc.c: use it.
5782 * config/i386/i386.c: use it.
5783 * config/rs6000/rs6000.c: use it.
5784 * config/arm/arm.c: use it.
5785 * config/mips/mips.c: use it.
5786 * stmt.c: use it, use EXPAND_NORMAL explicitely.
5788 2006-01-30 Roger Sayle <roger@eyesopen.com>
5790 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5791 argv to the appropriate type.
5793 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5795 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5798 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5801 * config/s390/s390.c (struct machine_function): New flag
5802 decomposed_literal_pool_addresses_ok_p.
5803 (s390_reorg): Set it before final stage of literal pool transforms.
5804 (s390_decompose_address): Only accept displacements of the form
5805 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5807 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5809 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5810 the comparison routine return.
5812 2006-01-30 Michael Matz <matz@suse.de>
5814 * global.c (find_reg): Only evict for global regs.
5815 Take n_refs into account and dump more info.
5817 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5820 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5821 (pragma_trap, pragma_nosave_low_regs): Likewise.
5822 (current_function_anonymous_args): Likewise.
5823 (sh_deferred_function_attributes): New variable.
5824 (sh_deferred_function_attributes_tail): Likewise.
5825 (print_operand): For '@', look up trap_exit attribute.
5826 (calc_live_regs): Look up trapa_handler attribute. For trapa
5827 handlers, save/restore fpscr, but don't do any other
5828 interrupt-specific saves.
5829 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5830 Fix check for partially saved registers to check for SHmedia.
5831 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5832 (sh_output_function_epilogue): Don't clear any of the removed
5834 (sh_insert_attributes): Don't check pragma_interrupt.
5835 Insert deferred attributes. Check that interrupt attribute is
5836 present for other attributes that require its presence.
5837 (sh_attribute_table): Add new attributes trapa_handler and
5839 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5840 Don't check for pragma_interrupt. Don't store argument.
5841 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5842 (sh_deferred_function_attributes): Declare.
5843 (sh_deferred_function_attributes_tail): Likewise.
5844 * sh.md (sp_switch_1): Add operand. Change generator caller.
5845 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5846 (*return_i): Don't use when trap_exit attribute is in effect.
5847 (*return_trapa): New insn pattern.
5849 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
5850 setting c_target_objs and cxx_target_objs.
5851 * t-sh: Add rule for sh-c.o.
5853 2006-01-30 Richard Guenther <rguenther@suse.de>
5856 * gimplify.c (gimplify_target_expr): Handle easy cases
5857 without creating a temporary.
5859 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
5861 * vec.h (safe_grow): Remove duplicated line.
5863 2006-01-29 Diego Novillo <dnovillo@redhat.com>
5866 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
5867 (expand_omp): ... here.
5868 (expand_omp_parallel): Only remove barriers for combined
5869 parallel+workshare constructs.
5871 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5875 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
5876 * tree.c (build_qualified_type): Chain the new type to the original
5877 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
5878 a POINTER_TYPE or a REFERENCE_TYPE respectively.
5879 (build_pointer_type_for_mode): Only return unqualified types.
5880 (build_reference_type_for_mode): Likewise.
5882 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
5884 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
5885 * Makefile.in (CXX_COMPAT_WARN): Define.
5886 * configure: Regenerate.
5888 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
5891 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
5894 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5896 * toplev.c: Fix thinko.
5898 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5899 Marcin Dalecki <martin@dalecki.de>
5901 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
5902 (push_srcloc): Use XNEW.
5903 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
5905 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5907 * df-core.c (df_set_blocks): Deleted all variable.
5909 2006-01-28 Ian Lance Taylor <ian@airs.com>
5911 * cgraphunit.c (cgraph_assemble_pending_functions): Call
5912 cgraph_output_pending_asms.
5914 2006-01-28 Zack Weinberg <zackw@panix.com>
5916 * c.opt: Add -W(no-)overlength-strings.
5917 * doc/invoke.texi: Document it.
5918 * c-opts.c (c_common_handle_option): -pedantic implies
5919 -Woverlength-strings, if not explicitly disabled already.
5920 (c_common_post_options): -Woverlength-strings defaults to off, and
5921 is always off for C++.
5922 * c-common.c (fix_string_type): Issue warning about strings longer
5923 than is portable only if warn_overlength_strings. Rearrange code
5924 a little for clarity.
5925 * configure.in: Check for -Wno-overlength-strings as well before
5926 enabling -pedantic in stage 1.
5927 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
5928 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
5930 * genconditions.c (write_header, write_one_condition)
5931 (write_conditions, write_writer): Consolidate very long strings
5932 that were broken up to fit in C89 portable limit. Don't use
5933 printf when fputs will do.
5935 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
5937 * combine.c (simplify_comparison <AND>): Check
5938 TRULY_NOOP_TRUNCATION before start using a subreg.
5940 * config/mips/mips.md (*branch_zero<mode>,
5941 *branch_zero<mode>_inverted, *branch_equality<mode>,
5942 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
5943 Remove mode check from comparisons.
5945 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
5947 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
5949 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5951 * expmed.c (const_mult_add_overflow_p): Remove.
5952 * expr.h: Remove the prototype for const_mult_add_overflow_p.
5954 * recog.c (validate_replace_rtx_subexp): Remove.
5955 * recog.h: Remove the prototype for
5956 validate_replace_rtx_subexp.
5958 * integrate.h: Remove the prototype for
5959 copy_decl_for_inlining.
5960 * rtl.h: Remove the prototype for mark_constant_function.
5961 * tree-vectorizer.h: Remove the prototype for
5962 vect_strip_conversion.
5964 * modulo-sched.c (create_partial_schedule,
5965 free_partial_schedule, reset_partial_schedule): Make them
5968 * hooks.c (hook_bool_rtx_int_false): Remove.
5969 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
5971 2006-01-28 David Edelsohn <edelsohn@gnu.org>
5973 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5974 and -mlong-double-128 are incompatible.
5975 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
5976 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
5977 (TARGET_LIBGCC2_CFLAGS): Define.
5978 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
5979 (TARGET_LIBGCC2_CFLAGS): Same.
5980 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
5982 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5985 * c-typeck.c (build_binary_op): Perform implicit casts of
5986 operands before shortening them.
5988 * cfgloopmanip.c (split_loop_bb): Remove.
5989 * cfgloop.h: Remove the prototype for split_loop_bb.
5991 * cfgloop.c (flow_loop_outside_edge_p): Remove.
5992 * cfgloop.h: Remove the prototype for
5993 flow_loop_outside_edge_p.
5995 * emit-rtl.c (init_virtual_regs): Make it static.
5996 * function.h: Remove the prototype for init_virtual_regs.
5998 * recog.c (peephole2_optimize): Make it static.
5999 * recog.h: Remove the prototype for peephole2_optimize.
6001 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6003 * df-scan.c (df_record_entry_block_defs): Check if
6004 INCOMING_RETURN_ADDR_RTX is defined.
6006 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
6007 Kenneth Zadeck <zadeck@naturalbridge.com>
6009 PR rtl-optimization/24762
6010 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6011 * targhooks.c (hook_void_bitmap): New hook prototype.
6012 * targhoohs.h (hook_void_bitmap): Ditto.
6013 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
6014 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
6015 * target.h (live_on_entry): New function pointer.
6016 * df-scan.c (df_all_hard_regs): Removed.
6017 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
6018 (df_scan_free_internal): Added df->entry_block_defs.
6019 (df_scan_alloc): Ditto.
6020 (df_scan_dump): Ditto.
6021 (df_uses_record): Plumbed flag field properly thru calls.
6022 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
6023 This part fixes PR24762.
6024 (df_bb_refs_record): Added code to make the frame and arg
6025 pointers live in EH blocks.
6026 (df_refs_record): Added call to df_record_entry_block_defs.
6027 (df_record_entry_block_defs): New function.
6028 * df-core.c: Added comments to describe new artifical defs.
6029 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
6030 (entry_block_defs): New field in struct df.
6031 (df_all_hard_regs): Deleted.
6032 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
6033 * df-problems.c (df_ru_bb_local_compute_process_def):
6034 Added code to handle artifical defs in the entry to a function.
6035 (df_ru_bb_local_compute): Ditto.
6036 (df_rd_bb_local_compute_process_def): Ditto.
6037 (df_rd_bb_local_compute): Ditto.
6038 (df_lr_bb_local_compute): Ditto.
6039 (df_ur_bb_local_compute): Ditto.
6040 (df_urec_bb_local_compute): Ditto.
6041 (df_chain_create_bb): Ditto.
6042 (df_ur_local_finalize): Removed entry.
6043 (df_urec_init): Ditto.
6044 (df_urec_local_finalize): Ditto.
6045 (df_ri_bb_compute): Added detection of last use of pseudos.
6046 * Makefile.in (df-scan.o): Updated dependencies.
6047 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
6048 * config/mips/mips.c (mips_set_live_on_entry): Added.
6049 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
6051 * dce.c (marked_insn_p): Added code to handle artifical defs.
6053 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
6055 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
6057 (_mm_cvtsi128_si64): Likewise.
6058 (_mm_cvtsd_si64): Likewise.
6059 (_mm_cvttsd_si64): Likewise.
6060 (_mm_cvtsi64_sd): Likewise.
6061 (_mm_cvtsi64_si128): Likewise.
6062 * config/i386/mmintrin.h (_m_from_int64): Likewise.
6063 (_mm_cvtsi64_m64): Likewise.
6064 (_m_to_int64): Likewise.
6065 (_mm_cvtm64_si64): Likewise.
6066 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
6067 (_mm_cvttss_si64): Likewise.
6068 (_mm_cvtsi64_ss): Likewise.
6069 (_mm_cvtss_f32): Likewise.
6071 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
6073 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
6074 for pragma redefine_extname.
6076 2006-01-27 Jakub Jelinek <jakub@redhat.com>
6079 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
6080 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
6081 -mno-minimal-toc to previous content.
6082 (bispecs): Remove goal.
6083 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
6084 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
6085 compatibility aliases on powerpc-*-*gnu*.
6086 * config/rs6000/libgcc-ppc-glibc.ver: New file.
6087 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
6088 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
6089 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
6090 (ldblspecs): New goal.
6091 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
6092 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
6094 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
6095 L_sf_to_tf or L_df_to_tf is defined.
6097 2006-01-27 David Edelsohn <edelsohn@gnu.org>
6098 Alan Modra <amodra@bigpond.net.au>
6101 * config/rs6000/linux.h (POWERPC_LINUX): Define.
6102 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
6103 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
6104 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
6105 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
6106 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
6107 (rs6000_override_options): Initialize rs6000_ieeequad.
6108 Initialize TFmode format to ibm_extended_format if not
6110 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
6112 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
6113 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
6114 (function_arg_advance): IBM long double passed in two FPRs, not
6116 (function_arg): IBM long double passed in FPRs.
6117 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
6118 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
6119 Only multireg GPR aligned.
6120 (rs6000_init_libfuncs): Enable IBM long double functions if not
6122 (rs6000_generate_compare): Use IBM long double compare if not
6124 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6125 (TARGET_IEEEQUAD): Define.
6126 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6127 not TARGET_IEEEQUAD.
6128 * config/rs6000/rs6000.md: Enable TFmode patterns if
6130 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6131 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6132 and -mlong-double-128 are incompatible.
6133 * doc/invoke.texi (-mabi): Collect options together. Add
6134 ibmlongdouble and ieeelongdouble.
6136 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6138 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6140 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6141 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6142 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6143 * rtl.h (rtunion_def): Remove rt_ptr.
6145 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6146 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6147 * config/i386/winnt.c (i386_pe_mark_dllexport)
6148 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6150 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6152 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6154 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6158 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6159 pthread_key_delete. From John David Anglin. gthrw-ify
6160 pthread_getunique_np only if it it's not a macro. Delete
6162 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6163 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6164 __gthread_objc_condition_signal, __gthread_key_delete): Add
6165 "__attribute__ ((__unused__))" to unused arguments.
6166 (__gthread_recursive_mutex_init_function): Add missing return.
6167 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6168 gthr-posix95.h: Use macro-based approach for name redirection
6169 on targets missing weakref.
6171 2006-01-26 Zack Weinberg <zackw@panix.com>
6173 * genconditions.c (write_header): In generated code, #ifdef out
6174 all includes and fake declarations, except includes of bconfig.h
6175 and system.h, unless GCC_VERSION >= 3001. Do not include
6176 gensupport.h in any case.
6177 (write_conditions): Generate a definition of struct c_test. Add
6178 a comment to the generated #endif.
6179 (write_one_condition): Escape backslashes in string too.
6180 (write_writer): Generated code must escape backslashes and quote
6181 marks (but not newlines) in the strings it writes.
6182 * Makefile.in (build/gencondmd.o): Update dependencies.
6184 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6187 * Makefile.in (insn-automata.o): Add header file dependencies.
6188 * genautomata.c: Add includes.
6190 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6193 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6195 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6197 * configure.ac: Expect target tools paths to be passed from the toplevel
6198 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6200 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6202 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6205 * c.opt (Wpointer-sign): Init to -1.
6206 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6207 OPT_pedantic, to 0 otherwise.
6208 * doc/invoke.texi: Update.
6210 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6212 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6213 constants provided by 80387 instructions in the destination mode.
6215 2006-01-26 Richard Guenther <rguenther@suse.de>
6216 Andrew Pinski <pinskia@physics.uc.edu>
6219 partial PR tree-opt/17064
6220 * tree-ssa-structalias.c (intra_create_variable_infos):
6221 Create heap variables for incoming parameters if
6222 flag_argument_noalias > 1.
6223 (find_what_p_points_to): Look through default defs of
6226 2006-01-26 Jeff Law <law@redhat.com>
6229 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6230 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6231 within the VR_RANGE, use the VR_RANGE as the result, not the
6233 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6234 bounds for the type.
6236 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6238 * tree-ssa-alias.c (maybe_create_global_var): Change
6239 subvar walking to an assertion that we don't have subvar'd variables.
6241 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6244 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6245 Use a new variable, inner. PARM_DECLs are always non-weak.
6247 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6249 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6252 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6254 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6256 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6258 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6259 (smax_insn, smin_insn, smax_0, smin_0): New.
6261 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6264 * config/cris/cris.c (cris_order_for_addsi3): New function.
6265 * config/cris/cris-protos.h: Prototype it.
6266 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6267 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6268 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6269 (split for "op.S1 [rx=rx+i],ry (swapped)")
6270 (split for "op(s|u).S1 [rx=rx+i],ry")
6271 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6272 Apply cris_order_for_addsi3 when generating addsi3 insns.
6274 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6276 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6277 (TREE_BLOCK): Add call to EXPR_CHECK.
6279 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6282 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6283 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6284 (dump_omp_clauses): ... here.
6285 (dump_generic_node): Handle OMP_CLAUSE.
6286 * tree.c (omp_clause_num_ops): New.
6287 (omp_clause_code_name): New.
6288 (tree_code_size): Handle OMP_CLAUSE.
6289 (tree_size): Likewise.
6290 (make_node): Document handling of OMP_CLAUSE.
6291 (tree_node_structure): Handle OMP_CLAUSE.
6292 (omp_clause_check_failed): New.
6293 (omp_clause_range_check_failed): New.
6294 (omp_clause_operand_check_failed): New.
6295 (build_omp_clause): New.
6296 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6297 * tree.h (enum omp_clause_code): Declare.
6298 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6299 (OMP_CLAUSE_RANGE_CHECK): Define.
6300 (OMP_CLAUSE_ELT_CHECK): Define.
6301 (omp_clause_check_failed): Declare.
6302 (omp_clause_operand_check_failed): Declare.
6303 (omp_clause_range_check_failed): Declare.
6304 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6305 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6306 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6307 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6308 (OMP_CLAUSE_IF_EXPR): Likewise.
6309 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6310 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6311 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6312 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6313 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6314 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6315 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6316 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6317 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6318 (OMP_CLAUSE_CODE): Define.
6319 (OMP_CLAUSE_SET_CODE): Define.
6320 (OMP_CLAUSE_CODE): Define.
6321 (OMP_CLAUSE_OPERAND): Define.
6322 (struct tree_omp_clause): Declare.
6323 (union tree_node): Add field 'omp_clause'.
6324 * treestruct.def (TS_OMP_CLAUSE): Define.
6325 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6326 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6327 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6328 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6329 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6330 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6331 (OMP_CLAUSE): Define.
6332 * print-tree.c (print_node): Handle OMP_CLAUSE.
6333 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6334 * c-typeck.c: Likewise.
6335 * gimplify.c: Likewise.
6336 * c-omp.c: Likewise.
6337 * tree-nested.c: Likewise.
6338 * tree-inline.c: Likewise.
6339 * c-parser.c: Likewise.
6340 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6343 2006-01-25 Roger Sayle <roger@eyesopen.com>
6345 PR rtl-optimization/25703
6346 * combine.c (try_combine): Handle zero_extract and strict_low_part
6347 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6349 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6351 * global.c: Fix comment typos.
6353 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6356 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6357 Use output_addr_const instead of assemble_name.
6359 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6361 * Makefile.in (sched-vis.o): Update dependencies.
6362 * haifa-sched.c (sched_finish): Clear current_sched_info.
6363 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6364 (dump_flow_info): Call it.
6365 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6367 * basic-block.h (dump_bb_info): Declare.
6368 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6369 option, and apply options only for dump files whose TDF_RTL,
6370 TDF_TREE, or TDF_IPA bits match.
6371 * rtl.h: Declare new functions exported from sched-vis.c.
6372 * sched-vis.c: Enable also if scheduling is not used.
6373 (print_value): Print the mode of registers if not inside scheduling.
6374 (print_insn): Make it work outside the scheduler. Beautify the output
6376 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6378 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6380 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6381 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6382 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6383 depending on the value of CONSTANT_POOL_ADDRESS_P.
6384 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6386 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6387 rather than SYMBOL_REF_DECL.
6388 (rtx_constant_pool): Remove const_rtx_sym_htab.
6389 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6390 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6391 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6392 Remove handling of const_rtx_sym_htab.
6393 (find_pool_constant): Delete.
6394 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6395 rather than find_pool_constant.
6396 (get_pool_constant_for_function): Delete.
6397 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6399 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6400 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6401 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6402 (SYMBOL_REF_CONSTANT): New macro.
6403 (get_pool_constant_for_function): Delete.
6404 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6405 rather than SYMBOL_REF_DECL.
6406 (i386_pe_mark_dllimport): Likewise.
6407 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6408 rather than SYMBOL_REF_DECL.
6409 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6410 (machopic_indirect_call_target): Likewise.
6412 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6414 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6416 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6418 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6420 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6422 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6424 2006-01-24 David Daney <ddaney@avtrex.com>
6427 * configure.ac (enable_tls): New enable option.
6428 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6429 * configure: Regenerate.
6430 * doc/install.texi (--enable-tls): Document new option.
6431 (--disable-tls): Ditto.
6433 2006-01-24 Richard Henderson <rth@redehat.com>
6435 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6436 * alias.c (true_dependence): Respect it.
6437 (canon_true_dependence, write_dependence_p): Likewise.
6438 * builtins.c (get_builtin_sync_mem): Set it.
6440 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6442 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6445 2006-01-24 DJ Delorie <dj@redhat.com>
6447 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6448 for storing constants in single-bit bitfields.
6450 2006-01-25 Ben Elliston <bje@au.ibm.com>
6452 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6454 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6457 * tree-ssa-pre.c (phi_translate): Return NULL
6458 for AGGREGATE_TYPE's.
6460 2006-01-24 Zack Weinberg <zackw@panix.com>
6462 * genautomata.c (process_state_for_insn_equiv_partition):
6463 Use xcalloc for insn_arcs_array.
6464 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6465 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6467 2006-01-24 Richard Henderson <rth@redhat.com>
6469 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6472 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6474 PR rtl-optimization/25890
6475 PR rtl-optimization/25905
6476 * combine.c (expand_compound_operation, expand_field_assignment):
6477 Fail if the bitfield's final position is out of bounds.
6479 2006-01-24 Ian Lance Taylor <ian@airs.com>
6482 * cgraphunit.c (cgraph_output_in_order): Don't clear
6483 cgraph_asm_nodes until after asm strings have been output.
6485 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6487 * fix-header.c (read_scan_file): Add new parameter imultilib when
6488 calling register_include_chains.
6490 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6492 * omp-low.c: Update documentation.
6494 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6495 Daniel Berlin <dberlin@dberlin.org>
6499 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6500 return from the function.
6502 2006-01-22 Zack Weinberg <zackw@panix.com>
6504 * rtl.def (match_code): Add second argument.
6505 * genpreds.c (write_extract_subexp): New function.
6506 (write_match_code): Add path argument. Use write_extract_subexp.
6507 (write_predicate_expr): Pass path to write_match_code.
6508 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6509 not perform a mode test.
6510 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6511 a subexpression does not constrain the top-level code set.
6512 * read-rtl.c (read_rtx_variadic): New function.
6513 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6514 * doc/md.texi: Document new notation.
6515 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6516 (cmpsi_operand): ... here, using new notation.
6518 2006-01-22 Zack Weinberg <zackw@panix.com>
6520 * varray.c: Remove GENERATOR_FILE #ifdefs.
6522 2006-01-22 Zack Weinberg <zackw@panix.com>
6524 * genautomata.c (output_reserved_units_table): Emit nothing if
6525 description->query_units_num is zero. Remove extra blank line.
6526 (output_cpu_unit_reservation_p): Short circuit
6527 if description->query_units_num is zero.
6529 2006-01-22 Zack Weinberg <zackw@panix.com>
6531 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6532 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6533 nor any of the random handful of variables that used to be necessary
6534 when this program was linked with rtlanal.o. Prune set of forward
6535 function declarations.
6536 (struct attr_desc): Remove static_p field.
6537 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6538 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6539 (attr_string): Do not read the character one past the length of
6541 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6542 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6543 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6544 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6545 (make_automaton_attrs): New.
6546 (main): Do not call into genautomata. Call local gen_bypass
6547 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6548 Remove special case for insn_alts.
6549 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6550 varray.h (leftover from previous change). Prune set of forward
6551 function declarations. Remove state_alts fields from all
6552 structures. Remove state_alts_table from struct automaton.
6553 Make everything except main static. Do not maintain num_dfa_decls.
6554 Do not maintain state_alts fields of various structures.
6555 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6556 (add_arc): Remove state_alts argument. All callers updated.
6557 (output_reserved_units_table): Emit #ifdef here...
6558 (output_tables): ...not here. Don't generate state_alts tables.
6559 (expand_automata): Don't generate attributes.
6560 (write_automata): Don't generate state_alts functions.
6561 (main): New function.
6562 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6563 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6564 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6565 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6566 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6567 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6568 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6569 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6571 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6572 * genattrtab.h: Delete file.
6573 * Makefile.in (OBJS-common): Add insn-automata.o.
6574 (insn-automata.o): New rule.
6575 (simple_generated_c): Add insn-automata.c.
6576 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6577 (genprogmd): Add automata.
6578 (build/genattrtab): Needs no extra objects nor libraries.
6579 (build/genautomata): Needs build/vec.o and -lm.
6581 2006-01-22 Zack Weinberg <zackw@panix.com>
6583 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6584 (output_dfa_max_issue_rate, locked_states_num): Delete.
6585 (struct automaton): Add locked_states field.
6586 (output_dead_lock_vect): Save number of locked states in
6587 automaton->locked_states. If it is zero, don't print anything.
6588 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6589 (output_internal_dead_lock_func): Only test the dead_lock_vect
6590 for automata that have locked states.
6591 (output_statistics): Always print the number of locked states for
6592 each automaton. Calculate total number of locked states here.
6593 (write_automata): Don't call output_dfa_max_issue_rate.
6594 * genattrtab.c: Define length_unit_log as a const variable.
6595 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6596 max_insn_queue_index const.
6597 * final.c (length_unit_log): Declare const.
6598 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6600 2006-01-22 Zack Weinberg <zackw@panix.com>
6602 * genautomata.c: Include vec.h, not varray.h.
6603 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6604 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6605 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6606 VEC_* macros operating on appropriately typed vectors, or to
6607 malloced arrays when the size is known in advance. Const-ify
6608 many char* variables and function arguments. No functional changes.
6609 * Makefile.in (build/varray.o): Delete rule.
6610 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6611 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6613 2006-01-22 Zack Weinberg <zackw@panix.com>
6615 * gensupport.c: Define get_insn_name and record_insn_name here.
6616 (read_md_rtx): Call record_insn_name as appropriate.
6617 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6618 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6619 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6621 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6622 (BUILD_VARRAY): Delete.
6623 (genprognormal): Rename genprogmd. Fold in all programs from
6624 genprognoprint; also attrtab.
6625 (build/genattrtab): Just mention genautomata.o and varray.o.
6626 Reorganize a bit, add comments to make the categories clearer.
6628 2006-01-22 Zack Weinberg <zackw@panix.com>
6630 * genconditions.c (condition_table, add_condition): Delete.
6631 (write_conditions): Don't emit n_insn_conditions nor
6632 insn_elision_unavailable. Issue the gcc version #ifdef here,
6633 inside the table, with no #else clause ...
6634 (write_header): ...not here.
6635 (write_writer): New function.
6636 (main): Don't initialize condition_table. Use add_c_test.
6638 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6639 files on the command line.
6640 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6641 Return -1 if there is no entry in the table, don't abort.
6642 (add_c_test, traverse_c_tests): New functions.
6643 * gensupport.h (insn_elision_unavailable, insn_conditions)
6644 (n_insn_conditions): Delete declarations.
6645 (add_c_test, traverse_c_tests): Declare.
6646 * read-rtl.c: Include gensupport.h.
6647 (read_conditions): New function.
6648 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6649 (read_rtx_1): If we get EOF when we were looking for an initial
6650 open paren, return 0. Call read_conditions when appropriate.
6651 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6652 dummy-conditions.o. Eliminate references to insn-conditions.o,
6653 or change them to build/gencondmd.o, as appropriate. Remove
6654 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6655 from $(simple_generated_c). For all files remaining in those
6656 two lists, add insn-conditions.md to the generator command line.
6657 Give insn-constants.h/s-constants their own rules. Add rules
6658 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6659 (build/read-rtl.o): Depend on gensupport.h.
6660 (genprognormal): Include preds.
6661 (genprogearly): Rename genprognoprint; only difference is now that
6662 they don't link with $(BUILD_PRINT).
6663 * dummy-conditions.c: Delete.
6665 2006-01-22 Zack Weinberg <zackw@panix.com>
6667 * genextract.c: Don't include insn-config.h. Do include vec.h.
6668 Declare vectors of int, char, and locstr.
6669 (locstr): New typedef.
6670 (struct extraction): Make all array fields into bare pointers.
6671 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6672 (insn_code_number): Delete.
6673 (accum_extract): New struct.
6674 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6675 (gen_insn): Take insn_code_number as an argument. Use an
6676 accum_extract structure instead of loading data directly into
6677 a struct extraction, and having to know how big it might get.
6678 (walk_rtx): Operate entirely on an accum_extract structure.
6679 (print_path): Avoid unnecessary use of printf.
6680 (print_header): New function, split out of main. Distinguish
6681 more carefully between an unrecognizable insn and an insn that
6682 has the code number of a define_expand.
6683 (main): Pass insn_code_number to gen_insn. Call print_header
6684 only after parsing. Avoid unnecessary use of printf.
6685 * Makefile.in (build/vec.o): New rule.
6686 (build/genextract): Depend on build/vec.o.
6687 (build/genextract.o): Don't depend on insn-config.h.
6689 2006-01-22 Zack Weinberg <zackw@panix.com>
6691 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6692 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6693 practical. Eliminate per-generator-program link rules.
6695 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6698 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6699 with a call expr to ...
6700 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6702 2006-01-23 Richard Guenther <rguenther@suse.de>
6704 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6705 before make_edge with conditional EDGE_TRUE_VALUE.
6707 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
6708 Jan Hubicka <jh@suse.cz>
6709 Richard Guenther <rguenther@suse.de>
6711 PR rtl-optimization/25654
6712 * cfgexpand.c (aggregate_contains_union_type): New function.
6713 (add_alias_set_conflicts): Call it. Make sure to add conflicts
6714 for structure variables that contain a union type.
6716 2006-01-23 Richard Sandiford <richard@codesourcery.com>
6718 * gengtype.c (new_structure): Return the structure.
6719 (create_option): Add an extra "next" argument.
6720 (create_field): New function.
6721 (adjust_field_rtx_def): Use create_option and create_field.
6722 Remove a now-unnecessary call to find_structure.
6723 (adjust_field_tree_def): Likewise.
6724 (note_yacc_type): Remove an unnecessary call to find_structure.
6725 * gengtype.h (new_structure): Return the structure.
6726 (create_option): Add an extra argument.
6727 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
6728 (option): Adjust calls to create_option.
6730 2006-01-22 David Edelsohn <edelsohn@gnu.org>
6732 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
6734 2006-01-22 Paul Brook <paul@codesourcery.com>
6735 Peter Barada <peter@the-baradas.com>
6737 * config/m68k/m68k.md: Add Coldfire FPU support.
6738 Define FP mode macro and associated attributes.
6739 Use it for float mode patterns.
6740 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6741 (LIBCALL_VALUE): Use m68k_libcall_value.
6742 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
6743 (m68k_function_value): Ditto.
6744 (emit_move_sequence): Ditto.
6745 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
6746 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
6747 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
6748 (MULTILIB_EXCEPTIONS): Ditto.
6749 * config/m68k/m68k.opt: Add mcfv4e.
6750 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
6751 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
6752 (m68k_output_function_prologue): Save ColdFire FPU registers.
6753 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
6754 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
6755 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
6756 ColdFire FPU registers.
6757 (m68k_libcall_value, m68k_function_value): New functions.
6758 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
6759 (LIBCALL_VALUE): Use m68k_libcall_value.
6760 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
6761 (MASK_COLDFIRE): Add MASK_CFV4E.
6762 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
6763 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
6764 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
6765 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
6766 (GO_IF_LEGITIMATE_ADDRESS): Use it.
6767 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
6768 * doc/invoke.tex: Document -mcfv4e on m68k.
6770 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6772 * doc/contribute.texi: Change CVS to SVN and update the corresponding
6775 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
6778 * c-opts.c (c_common_handle_option): Don't include
6779 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
6780 * doc/invoke.texi (C++ Dialect Options): Document that
6781 -Wnon-virtual-dtor is no longer included in -Wall.
6783 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
6785 * gcov.c (print_version), gcov-dump.c (print_version),
6786 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6789 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6791 * df-scan.c (problem_SCAN): Added NULL reset function.
6792 (df_scan_reset_blocks): Added code to call reset block function
6793 (df_bb_refs_delete) Fixed comment.
6794 (df_insn_refs_delete): Made tolerant of deleting non existent info
6795 for dataflow problems that need to be reset.
6796 * df-core.c (df_set_blocks): Ditto.
6797 * df.h (struct df_problem): Added reset_fun.
6798 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6799 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6800 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6801 functions to clear out all references to def-use or use-def chains.
6803 2006-01-21 Ben Elliston <bje@au.ibm.com>
6805 * varasm.c (assemble_real): Initialise data array.
6807 2006-01-20 Paul Brook <paul@codesourcery.com>
6809 Merge from csl-arm-branch.
6810 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6811 * config/arm/arm.md (movdi): Force operands[1] to a register
6812 if we have a non-register source.
6813 (*arm_movdi, *movdf_soft_insn): Require that one of the
6814 operands be a register.
6815 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6816 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6818 2006-01-20 DJ Delorie <dj@redhat.com>
6820 * varasm.c (initialize_constant_valid_p): Allow pointers
6821 initialized from integer constants of lesser precision.
6822 (output_constant): Allow non-int-sized pointer modes to be
6823 initialized from integer constants.
6825 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6828 * cppdefault.h (struct default_include): Add multilib flag.
6829 * cppdefault.c (cpp_include_defaults): Set it.
6830 * c.opt (-imultilib): New option.
6831 * c-opts.c (imultilib): New.
6832 (c_common_handle_option): Handle -imultilib.
6833 (c_common_post_options): Likewise.
6834 * c-incpath.c (add_standard_paths, register_include_chains):
6836 * c-incpath.h (register_include_chains): Add extra parameter.
6837 * gcc.c (do_spec_1): Generate -imultilib option.
6838 (The Specs Language): Update %I description.
6839 (process_command): Update copyright notice.
6840 * doc/cppopts.texi (-imultilib): Document.
6841 * doc/invoke.texi (-imultilib): Include in option summary.
6842 (%I): Update specs documentation.
6844 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6846 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6848 2006-01-20 Richard Sandiford <richard@codesourcery.com>
6850 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6853 2006-01-20 Richard Guenther <rguenther@suse.de>
6854 Steven Bosscher <stevenb.gcc@gmail.com>
6856 PR rtl-optimization/24626
6857 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
6858 EDGE_TRUE_VALUE if in RTL mode.
6861 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
6862 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
6864 2006-01-20 Dirk Mueller <dmueller@suse.com>
6867 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
6868 instead of a special NOP marker.
6869 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
6870 NOP marker handling.
6871 * c-common.h (empty_body_warning): Add forward declaration.
6872 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
6873 Now uses IS_EMPTY_STMT() instead of special NOP markers.
6875 2006-01-20 Paul Brook <paul@codesourcery.com>
6877 * Makefile.in (lang_checks): Keep going if mkdir fails.
6879 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6881 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
6882 be able to clean out basic block when not necessary.
6883 (df_scan_free): Fixed to properly delete information if df is
6884 unused before calling df_finish.
6885 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
6886 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
6888 (df_bb_refs_delete): New function.
6889 (df_refs_delete): Moved per block code to df_bb_refs_delete.
6890 * df-core.c (df_set_blocks): Added code to properly clean out
6891 unused blocks if they are not part of the blocks to consider.
6892 Added additional null check.
6893 (df_compact_blocks): Added basic block parameter to free_bb_fun to
6894 be able to clean out basic block when not necessary
6895 * df.h (df_free_bb_function): Ditto.
6896 (df_bb_refs_delete): New function.
6897 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
6898 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
6899 basic block parameter to be able to clean out basic block when not
6901 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
6902 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
6903 Fixed to properly delete information if df is unused before
6906 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6908 PR rtl-optimization/25799
6909 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
6910 Corrected confluence operator to remove bits from op2 before oring
6911 with op1 rather than removing bits from op1.
6912 (df_ru_transfer_function): Corrected test on wrong bitmap which
6913 caused infinite loop. Both of these problems were introduced in
6914 the dataflow rewrite.
6916 2006-01-19 DJ Delorie <dj@redhat.com>
6918 * reload1.c (find_reload_regs): Note the details of reload
6919 failures in the dump file.
6920 (spill_failure): Likewise.
6922 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6924 * loop-iv.c: Include df.h and hashtab.h.
6925 (enum iv_grd_result): New enum.
6926 (DF_REF_IV, DF_REF_IV_SET): New macros.
6927 (struct biv_entry): New.
6928 (df, bivs): New global variables.
6929 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
6930 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
6932 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
6933 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
6934 analyzed_for_bivness_p, record_biv): New functions.
6935 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
6936 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
6937 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
6939 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
6941 (iv_number_of_iterations): Use new interface to iv analysis.
6942 * loop-unroll.c: Do not include varray.h.
6943 (analyze_iv_to_split_insn): Use new interface to iv
6945 * loop-unswitch.c (may_unswitch_on): Ditto.
6946 * df.c (df_bitmaps_free): Only work for bbs for that structures are
6948 (df_bb_modify): Realloc tables to the new index.
6949 (df_find_use): New function.
6950 * df.h (df_find_use): Declare.
6951 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
6953 * cfgloop.h (struct rtx_iv): Remove analysed field.
6954 (iv_get_reaching_def): Removed.
6955 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
6956 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
6957 (loop-iv.o): Add df.h and hashtab.h dependency.
6958 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
6960 2006-01-20 Alan Modra <amodra@bigpond.net.au>
6963 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
6965 (__floatundisf, __floatundidf): Likewise.
6966 * libgcc2.h (IS_IBM_EXTENDED): Define.
6968 2006-01-19 DJ Delorie <dj@redhat.com>
6970 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
6972 2006-01-19 Paul Brook <paul@codesourcery.com>
6974 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
6975 as nothrow when unwinding tables are disabled.
6977 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6980 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
6981 of bit-field" when in system header.
6983 2006-01-19 DJ Delorie <dj@redhat.com>
6985 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
6986 the 16 bit shift limit of the m16c.
6988 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
6991 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
6992 * config/i386/i386.c (output_set_got): Output the label if we have one
6993 for the TARGET_DEEP_BRANCH_PREDICTION case.
6995 2006-01-19 Jan Hubicka <jh@suse.cz>
6996 H.J. Lu <hongjiu.lu@intel.com>
6997 Evandro Menezes <evandro.menezes@amd.com>
6999 * invoke.texi (generic): Document
7001 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
7002 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
7003 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
7004 (x86_use_incdec, x86_pad_returns): New variables
7005 (TARGET_CPU_DEFAULT_generic): New constant
7006 (TARGET_CPU_DEFAULT_NAMES): Add generic.
7007 (enum processor_type): Add generic32 and generic64.
7008 * i386.md (cpu attribute): Add generic32/generic64
7009 (movhi splitter): Behave sanely when both partial_reg_dependency and
7010 partial_reg_stall are set.
7011 (K8 splitters): Enable for generic as well.
7012 * predicates.md (incdec_operand): Use TARGET_INCDEC
7013 (aligned_operand): Avoid memory mismatch stalls.
7014 * athlon.md: Enable for generic64, new patterns for 128bit moves.
7015 * ppro.md: Enable for generic32
7016 * i386.c (generic64_cost, generic32_cost): New.
7017 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
7018 (x86_use_leave): Enable for generic64. (x86_use_sahf,
7019 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
7020 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
7021 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
7022 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7023 x86_partial_reg_dependency, x86_memory_mismatch_stall,
7024 x86_accumulate_outgoing_args, x86_prologue_using_move,
7025 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
7026 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
7028 (x86_use_incdec, x86_pad_returns): New.
7029 (override_options): Add generic32 and generic64, translate "generic"
7030 to generic32/generic64 and "i686" to "generic32", refuse
7031 "generic32"/"generic64" as arch target.
7032 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
7033 (ix86_reorg): Honor PAD_RETURNS.
7035 2006-01-19 Diego Novillo <dnovillo@redhat.com>
7037 * tree-pretty-print.c (dump_generic_node): Handle
7038 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
7039 * cgraph.c (cgraph_expand_queue): Rename from
7040 cgraph_analyze_queue. Update all users.
7041 * cgraphunit.c (cgraph_assemble_pending_functions): Process
7042 cgraph_expand_queue.
7043 (cgraph_expand_all_functions): Likewise.
7044 (cgraph_finalize_pending_functions): Remove. Update callers.
7046 * tree.h (OMP_DIRECTIVE_P): Define.
7047 (OMP_PARALLEL_FN): Define.
7048 (OMP_PARALLEL_DATA_ARG): Define.
7049 (OMP_SECTIONS_SECTIONS): Define.
7050 * tree-pass.h (pass_expand_omp): Declare.
7051 * omp-low.c (struct omp_region): Declare.
7052 (struct omp_context): Remove fields 'parallel_type',
7053 'parallel_start_ix' and 'parallel_start_additional_args'.
7055 (struct omp_for_data): Rename from struct expand_omp_for_data.
7056 (omp_regions): New static variable.
7057 (root_omp_region): New static variable.
7058 (find_omp_clause): Make static.
7059 (is_in_combined_parallel_ctx): Remove.
7060 (is_combined_parallel): New.
7061 (extract_omp_for_data): Move earlier in the file.
7062 (workshare_safe_to_combine_p): New.
7063 (get_ws_args_for): New.
7064 (determine_parallel_type): Move earlier in the file.
7065 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
7067 (omp_copy_decl): Likewise.
7068 (create_omp_child_function): Likewise.
7069 (lookup_omp_region): New.
7070 (dump_omp_region): New.
7071 (debug_omp_region): New.
7072 (debug_all_omp_regions): New.
7073 (new_omp_region): New.
7074 (scan_omp_parallel): If parallel_nesting_level > 1, the
7075 directive is nested within another parallel directive.
7076 Set OMP_PARALLEL_FN.
7077 (scan_omp_for): Do not try to handle combined parallel+for
7079 Remove FIXME comment.
7080 (scan_omp_nested): Remove.
7081 (scan_omp_1): Do not call scan_omp_nested when
7082 parallel_nesting_level is > 1.
7083 Do not change the DECL_CONTEXT of local variables found.
7084 (lookup_decl_in_outer_ctx): New.
7085 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
7086 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
7087 (lower_reduction_clauses): Rename from expand_reduction_clauses.
7088 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
7089 If CTX is nested, lookup VAR in the outer context when
7090 building copy assignment.
7091 (lower_send_clauses): Rename from expand_send_clauses.
7092 If CTX is nested, lookup VAR in the outer context when
7093 building copy assignments.
7094 (lower_send_shared_vars): Rename from expand_send_shared_vars.
7095 If CTX is nested, lookup VAR in the outer context when
7096 building copy assignments.
7097 (expand_parallel_call): Rename from build_parallel_call.
7098 Handle combined parallel+workshare cases.
7099 Re-implement to emit code into the CFG.
7101 (expand_omp_parallel): Re-implement to emit code into the CFG.
7102 Call move_sese_region_to_fn to outline the sub-graph
7103 containing the parallel region.
7104 (expand_omp_for_1): Remove.
7105 (expand_omp_for_generic): Re-implement to emit code into the
7107 (expand_omp_for_static_nochunk): Likewise.
7108 (expand_omp_for_static_chunk): Likewise.
7109 (expand_omp_for): Likewise.
7110 (expand_omp_sections): Likewise.
7111 (remove_exit_barriers): New.
7112 (expand_omp_synch): New.
7114 (build_omp_regions_1): New.
7115 (build_omp_regions): New.
7116 (execute_expand_omp): New.
7117 (gate_expand_omp): New.
7118 (pass_expand_omp): Define.
7119 (lower_omp_sections): Rename from expand_omp_sections.
7120 Set OMP_SECTIONS_SECTIONS.
7121 (lower_omp_single_simple): Rename from expand_omp_single_simple.
7122 (lower_omp_single_copy): Rename from expand_omp_single_copy.
7123 (lower_omp_single): Rename from expand_omp_simple.
7124 (lower_omp_master): Rename from expand_omp_master.
7125 (lower_omp_ordered): Rename from expand_omp_ordered.
7126 (lower_omp_critical): Rename from expand_omp_critical.
7127 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7128 (lower_omp_for): Re-implement.
7129 (lower_omp_parallel): Re-implement.
7130 (lower_regimplify): Rename from expand_regimplify.
7131 (lower_omp_1): Rename from expand_omp_1.
7132 If there are syntax errors in the program, replace every
7133 OpenMP directive with NOP.
7134 Call lower_omp_* instead of expand_omp_*.
7135 (lower_omp): Rename from expand_omp.
7137 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7138 * tree-gimple.h (enum omp_parallel_type): Remove.
7139 (gimple_boolify): Declare extern.
7140 (find_omp_clause, determine_parallel_type): Remove.
7142 * gimple-low.c (lower_omp_directive): New.
7143 (lower_stmt): Call it.
7144 (record_vars_into): Move from ...
7145 (record_vars): ... here.
7146 Call record_vars_into with current_function_decl.
7148 * gimplify.c (struct gimplify_ctx): Remove fields
7149 combined_pre_p and combined_ctxp. Update users.
7150 (get_formal_tmp_var): Add documentation.
7151 (gimple_boolify): Make extern.
7152 (gimplify_expr_in_ctx): Remove. Update callers.
7153 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7154 will always be a BIND_EXPR.
7155 (gimplify_expr): Handle OMP_RETURN_EXPR.
7156 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7157 (OMP_PARALLEL): Add 3 operands.
7158 (OMP_SECTIONS): Add 1 operand.
7159 (OMP_RETURN_EXPR): Define.
7161 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7162 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7163 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7164 creating a circular free list.
7165 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7167 * tree-flow.h (move_sese_region_to_fn): Declare.
7168 (record_vars_into): Declare.
7169 * tree-cfg.c (make_omp_sections_edges): New.
7170 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7171 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7172 OMP_SECTIONS and OMP_SECTION.
7173 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7174 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7175 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7176 (gather_blocks_in_sese_region): New.
7177 (struct move_stmt_d): Declare.
7179 (move_block_to_fn): New.
7180 (move_sese_region_to_fn): New.
7182 * passes.c (init_optimization_passes): Schedule
7183 pass_expand_omp after pass_init_datastructures.
7185 * tree-ssa-operands.c (get_expr_operands): Handle
7186 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7187 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7189 2006-01-19 Jeff Law <law@redhat.com>
7191 * tree-vrp.c (extract_range_from_assert): Refine the result range
7192 if the variable referenced by the ASSERT_EXPR has a range and
7193 either the tentative result range or the previous range is a
7196 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7198 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7200 2006-01-19 Jan Hubicka <jh@suse.cz>
7202 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7204 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7206 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7207 (expand_compound_operation, expand_field_assignment): Fail if the
7208 bit lengths of an extract operation are out of range.
7209 (make_extraction): Compute wanted_inner_mode based on the position
7210 and length of the extraction. Make it extraction_mode for non-constant
7211 positions, and do not modify offset in that case. When generating a
7212 new MEM, use a mode that can hold the extraction while keeping correct
7213 alignment. Remove code that supported MEMs wrapped by USEs.
7214 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7216 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7218 * config/s390/s390.md ("Y", "y"): New mode attribute.
7219 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7220 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7221 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7222 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7223 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7224 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7225 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7226 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7227 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7228 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7229 "addsi3", "subsi3"): Insn patterns removed.
7230 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7231 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7232 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7233 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7234 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7235 "*sub<mode>3_cconly2"): New insn patterns.
7236 ("addsi3", "subsi3"): New expanders.
7238 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7240 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7241 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7242 existing STMT_VINFO_VECTYPE if available.
7243 (vect_mark_relevant): Add special handling for stmts that are
7244 marked as STMT_VINFO_IN_PATTERN_P.
7245 (vect_analyze_loop): Call vect_pattern_recog.
7246 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7247 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7249 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7250 (vect_recog_func_ptr): New function-pointer type.
7251 * tree-vect-patterns.c: New file.
7252 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7253 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7254 (vect_pattern_recog_1): New functions.
7255 (vect_pattern_recog_funcs): New array of function pointers.
7257 * tree-vectorizer.h (ternary_op): New enum value.
7258 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7259 declaration. Revised documentation. Removed redundant dump prints.
7260 Removed redundant argument. Added support for reduction patterns.
7261 (vectorizable_reduction): Added support for reduction patterns.
7262 (vect_transform_stmt): Added support for patterns.
7264 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7265 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7266 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7267 (expand_widen_pattern_expr): New function.
7268 (init_optabs): Initialize new optabs udot_prod_optab,
7270 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7271 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7272 (expand_widen_pattern_expr): New function declaration.
7273 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7275 * tree-inline.c (estimate_num_insns_1): Added cases for new
7276 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7277 * tree-pretty-print.c (dump_generic_node): Likewise.
7278 (op_prio): Likewise.
7279 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7280 * tree-ssa-operands.c (get_expr_operands): Added case for
7282 * tree-vect-patterns.c (widened_name_p): New function.
7283 (vect_recog_dot_prod_pattern): Added function implementation.
7284 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7285 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7286 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7287 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7289 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7290 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7291 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7292 (init_optabs): Initialize new optabs widen_ssum_optab,
7294 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7295 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7296 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7297 use instead of type of def.
7298 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7299 function implementation.
7300 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7301 widen_ssumv8hi): New.
7303 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7306 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7309 * c-decl.c (add_flexible_array_elts_to_size): New function.
7310 (finish_decl): Use it.
7312 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7314 * diagnostic.h: Include options.h.
7315 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7316 dependancies for diagnostic.h.
7317 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7319 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7321 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7322 (ssa_ro_call_cache_valid): Ditto.
7323 * tree-ssa-alias.c (sort_tags_by_id): New function.
7324 (init_transitive_clobber_worklist): Ditto.
7325 (add_to_worklist): Ditto.
7326 (mark_aliases_call_clobbered): Ditto.
7327 (compute_tag_properties): Ditto.
7328 (set_initial_properties): Ditto.
7329 (compute_call_clobbered): Ditto.
7330 (compute_may_aliases): Call compute_call_clobbered and grouping.
7331 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7332 (compute_flow_insensitive_aliasing): Grouping now happens in our
7334 (setup_pointers_and_addressables): Remove clobbering related code.
7335 (add_may_alias): Ditto.
7336 (replace_may_alias): Ditto.
7337 (get_nmt_for): Ditto.
7338 (create_global_var):
7339 (is_escape_site): Return an escape_type enumeration.
7340 * tree-flow-inline.h (is_call_clobbered): Global var does not
7341 imply call clobbered.
7342 (mark_call_clobbered): Take a reason for marking this. Remove
7343 marking of globalness, and cache invalidation.
7344 (clear_call_clobbered): Remove cache invalidation code.
7345 * tree-dfa.c (dump_variable): If details is on, dump the reason
7347 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7349 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7350 (struct var_ann_d): Ditto.
7351 (enum escape_type): New.
7352 (mark_call_clobbered): Adjust prototype.
7353 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7354 are never call clobbered.
7355 Record reasons for escaping.
7356 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7357 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7358 (ssa_ro_call_cache_valid): Ditto.
7359 (clobbered_v_may_defs): Ditto.
7360 (clobbered_vuses): Ditto.
7361 (ro_call_vuses): Ditto.
7362 (clobber_stats): New.
7363 (init_ssa_operands): Zero out clobber stats.
7364 (fini_ssa_operands): Print out clobber stats.
7365 (get_call_expr_operands): Pass callee fndecl to
7367 (add_call_clobber_ops): Remove use of cache.
7368 Add use of PURE_CONST information.
7369 (add_call_read_ops): Remove use of cache.
7370 Add use of static not_read information.
7372 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7374 Introduce TLS descriptors for i386 and x86_64.
7375 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7376 (TARGET_ANY_GNU_TLS): New macro.
7377 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7378 (struct machine_function): Add tls_descriptor_call_expanded_p.
7379 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7380 (ix86_current_function_calls_tls_descriptor): Likewise.
7381 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7382 (override_options): Introduce gnu2 tls dialect.
7383 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7385 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7387 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7388 (ix86_init_machine_status): Initialize new field.
7389 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7390 (ix86_tls_module_base): New.
7391 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7392 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7393 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7394 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7395 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7396 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7397 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7398 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7399 * config/i386/predicates.md (tls_modbase_operand): New.
7400 (tp_or_register_operand): New.
7402 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7404 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7405 (look_for_address_of): Ditto.
7406 (ipa_init): Walk the function decls.
7407 (static_execute): Don't set readonly on FUNCTION_DECL's.
7409 2006-01-18 Roger Sayle <roger@eyesopen.com>
7411 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7412 for shifts where the source and destination registers are different.
7414 2006-01-18 Paul Brook <paul@codesourcery.com>
7416 Merge from csl-arm-branch.
7417 2005-03-14 Julian Brown <julian@codesourcery.com>
7418 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7419 (aeabi_llsl): Likewise.
7420 (ashrdi3): Likewise.
7421 (aeabi_lasr): Likewise.
7422 (lshrdi3): Likewise.
7423 (aeabi_llsr): Likewise.
7424 2005-03-10 Julian Brown <julian@codesourcery.com>
7425 * config.gcc: Disable shared libgcc for SymbianOS.
7426 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7428 2006-01-18 DJ Delorie <dj@redhat.com>
7430 * c-pragma.c (handle_pragma_diagnostic): New.
7431 (init_pragma): Register it.
7432 * doc/extend.texi: Document it.
7434 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7435 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7436 (diagnostic_context): Add classify_diagnostic[].
7437 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7438 as errors if they're overridden to DK_WARNING.
7439 (diagnostic_initialize): Initialize classify_diagnostic[].
7440 (diagnostic_set_kind_override): New.
7441 (diagnostic_report_diagnostic): Check for kind changes.
7442 * opts.c (common_handle_option): Take lang_mask. Update callers.
7444 * common.opt (Werror=): New.
7445 * doc/invoke.texi: Document -Werror=*
7447 2006-01-18 Jeff Law <law@redhat.com>
7449 * tree-vrp.c (test_for_singularity): Correct test for new
7450 min limit. Use operand_equal_p rather than pointer equality
7451 for testing if new min/max values are equal.
7453 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7454 using range information until after propagation and folding.
7456 2006-01-18 Richard Henderson <rth@redhat.com>
7457 Aldy Hernandez <aldyh@redhat.com>
7458 Jakub Jelinek <jakub@redhat.com>
7459 Diego Novillo <dnovillo@redhat.com>
7461 * omp-low.c: New file.
7462 * c-omp.c: New file.
7464 2006-01-18 Richard Henderson <rth@redhat.com>
7465 Jakub Jelinek <jakub@redhat.com>
7466 Diego Novillo <dnovillo@redhat.com>
7468 * doc/invoke.texi: Document -fopenmp.
7469 * tree-dump.h (debug_function): Declare.
7470 * hooks.c (hook_bool_tree_bool_false): New function.
7471 (hook_tree_tree_null): Remove.
7472 (hook_tree_tree_tree_null): New.
7473 * hooks.h: Update to match.
7474 * tree-pretty-print.c (debug_tree_chain): New.
7475 (print_generic_expr): Handle TDF_CHAIN.
7476 (dump_generic_node): Handle BLOCK.
7477 Do not abort with incomplete SWITCH_EXPRs.
7478 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7479 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7480 print space after directive name.
7481 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7482 Handle OMP_MASTER and OMP_ORDERED.
7483 Handle printing of OMP_BODY just in one place, goto
7484 dump_omp_body in the rest of OMP_* nodes that have
7486 Don't handle clause nodes here. Update omp statements to
7487 use dump_omp_clauses.
7488 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7489 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7490 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7491 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7492 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7493 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7494 Adjust output for GOMP_PARALLEL.
7495 (dump_omp_clauses): New.
7496 (print_declaration): Dump DECL_VALUE_EXPR.
7497 (op_symbol_1): Split out of op_symbol.
7498 (dumping_stmts): Remove. Update all users.
7499 * cgraph.c (cgraph_analyze_queue): New.
7500 (cgraph_add_new_function): New.
7501 * cgraph.h (cgraph_analyze_queue): Declare.
7502 (cgraph_add_new_function): Declare.
7503 (cgraph_lower_function): Remove.
7504 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7505 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7506 and TYPE_P nodes in its default clause.
7507 (empty_body_p): New.
7508 (tree_range_check_failed): New.
7510 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7511 OMP_CLAUSE_REDUCTION_MERGE,
7512 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7513 OMP_CLAUSE_PRIVATE_DEBUG,
7514 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7515 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7516 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7517 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7518 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7519 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7520 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7521 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7522 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7523 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7524 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7525 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7526 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7527 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7528 (TREE_RANGE_CHECK): New.
7529 (empty_body_p): Declare.
7530 (enum omp_clause_default_kind): New.
7531 (build_string_literal): Declare.
7532 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7533 (build5_stat, build5): Declare.
7534 * tree-pass.h (TDF_CHAIN): Define.
7535 * tree-pass.h (PROP_gimple_lomp): Define.
7536 (pass_lower_omp): Declare.
7537 * diagnostic.h (debug_tree_chain): Declare.
7538 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7540 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7541 * builtins.c (build_string_literal): Make extern.
7542 * gcc.c (include_spec_function): New.
7543 (static_spec_functions): Add it.
7544 (main): Move load of libgomp.spec ...
7545 (LINK_COMMAND_SPEC): ... here.
7546 (link_gomp_spec): New.
7547 (static_specs): Include it.
7548 (LINK_COMMAND_SPEC): Add link_gomp.
7549 (GOMP_SELF_SPECS): New.
7550 (driver_self_specs): Include it.
7551 (switch_matches): Don't mark inline.
7552 (main): Load libgomp.spec.
7553 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7554 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7555 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7556 * tree-gimple.h (enum omp_parallel): Declare.
7557 (determine_parallel_type): Declare.
7558 (omp_firstprivatize_variable): Declare.
7559 (omp_reduction_init): Declare.
7560 (diagnose_omp_structured_block_errors): Declare.
7561 (struct walk_stmt_info): Add want_return_expr.
7562 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7563 (find_omp_clause): Declare.
7564 (insert_field_into_struct): Declare.
7565 (struct walk_stmt_info): Move from tree-nested.c
7566 (walk_stmts): Declare.
7567 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7569 * cgraphunit.c (cgraph_lower_function): Make static.
7570 (cgraph_finalize_pending_functions): New.
7571 (cgraph_finalize_function): Call it.
7572 (cgraph_finalize_compilation_unit): Likewise.
7573 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7574 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7575 (BT_FN_UINT_UINT): New.
7576 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7577 DEF_FUNCTION_TYPE_VAR_4): Document.
7578 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7579 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7580 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7581 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7582 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7583 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7584 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7585 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7586 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7587 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7588 into separate files.
7589 (DEF_GOMP_BUILTIN): New.
7590 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7591 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7592 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7593 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7594 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7595 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7596 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7597 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7598 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7599 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7600 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7601 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7602 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7603 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7604 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7605 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7606 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7607 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7608 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7609 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7610 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7611 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7612 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7613 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7614 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7615 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7616 * sync-builtins.def: New file, moved from builtins.def.
7617 * omp-builtins.def: New file, moved from builtins.def.
7618 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7619 * gimple-low.c (lower_function_body): Clear data.
7620 (lower_stmt): Do not handle COMPOUND_EXPR.
7621 Remove call to print_node_brief.
7622 * c-tree.h (c_finish_omp_clauses): New prototype.
7623 (C_DECL_THREADPRIVATE_P): Define.
7624 (lookup_name_no_remap, c_omp_remap_private): Remove
7625 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7626 (check_for_loop_decls): Update decl.
7627 (lookup_name_no_remap, c_omp_remap_private): Declare.
7628 (build_indirect_ref, build_modify_expr, pushdecl,
7629 pushdecl_top_level): Move to c-common.h.
7630 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7631 before the switch, but just in the 2 places that need it.
7632 * c-decl.c (diagnose_mismatched_decls): Do not check for
7633 mismatched thread-local attributes when OLDDECL is marked
7634 threadprivate and NEWDECL has no thread-local attributes.
7635 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7636 (c_gimple_diagnostics_recursively): Rename from
7637 c_warn_unused_result_recursively. Invoke
7638 diagnose_omp_structured_block_errors.
7639 (check_for_loop_decls): Return a singular decl found.
7640 * langhooks.c (lhd_omp_predetermined_sharing): Return
7641 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7642 (lhd_omp_firstprivatize_type_sizes): New.
7643 (lhd_omp_assignment): New.
7644 (lhd_omp_predetermined_sharing): New.
7645 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7646 (struct lang_hooks_for_types): Add
7647 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7648 omp_predetermined_sharing, omp_disregard_value_expr,
7649 omp_private_debug_clause, omp_clause_default_ctor,
7650 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7651 (c_finish_omp_clauses): New.
7652 (c_finish_bc_stmt): Diagnose break within omp for.
7653 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7654 (build_unary_op): Return error_mark after reporting
7656 (build_modify_expr): Likewise.
7657 * gimplify.c: Include optabs.h and pointer-set.h.
7658 (enum gimplify_omp_var_data): Declare.
7659 (struct gimplify_omp_ctx): Declare.
7660 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7662 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7663 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7664 (splay_tree_compare_decl_uid): New.
7665 (new_omp_context): New.
7666 (delete_omp_context): New.
7667 (gimple_add_tmp_var): Call omp_add_variable.
7668 (gimplify_bind_expr): Likewise.
7669 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7670 true, disregard DECL_VALUE_EXPR on the decl if any.
7671 (gimplify_expr_in_ctx): New.
7672 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7673 omp_add_variable, omp_notice_variable, omp_is_private
7674 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7675 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7676 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7677 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7678 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7679 gimplify_omp_atomic): New.
7680 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7681 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7682 OMP_CRITICAL and OMP_ATOMIC.
7683 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7684 * c-pragma.h (enum pragma_kind): Add
7685 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7686 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7687 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7688 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7689 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7690 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7691 PRAGMA_OMP_THREADPRIVATE.
7692 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7693 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7694 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7695 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7696 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7697 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7698 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7699 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7700 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7701 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7702 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7703 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7704 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
7706 (struct nesting_info): Add field_map,
7707 suppress_expansion, debug_var_chain.
7708 (create_nesting_tree): Initialize them.
7709 (lookup_field_for_decl): Use field_map.
7710 (get_nonlocal_debug_decl, get_local_debug_decl): New.
7711 (convert_local_omp_clauses): New.
7712 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
7713 (walk_body): Split out of walk_function.
7714 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
7715 (convert_nonlocal_reference): Handle omp statements.
7716 (convert_local_reference): Likewise.
7717 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
7718 (unnest_nesting_tree): New.
7719 (lower_nested_functions): Call it.
7720 (insert_field_into_struct): Make extern.
7721 (struct walk_stmt_info): Move to tree-gimple.h.
7722 (walk_stmts): Make extern.
7723 * omp-builtins.def: New file.
7724 * tree-iterator.c (expr_only): Clarify comment.
7725 * c-common.h (pushdecl_top_level, pushdecl,
7726 build_modify_expr, build_indirect_ref,
7727 c_finish_omp_master, c_finish_omp_critical,
7728 c_finish_omp_ordered, c_finish_omp_barrier,
7729 c_finish_omp_atomic, c_finish_omp_flush,
7730 c_finish_omp_for, c_split_parallel_clauses,
7731 omp_clause_default_kind, c_omp_sharing_predetermined,
7732 c_omp_remap_decl): Declare.
7733 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
7734 (OBJS-common): Add omp-low.o.
7735 (c-omp.o, omp-low.o): Add.
7736 (gimplify.o): Add dependency on $(OPTABS_H).
7737 (GTFILES): Add omp-low.c.
7738 (gt-stringpool.h): Add.
7739 * tree-cfg.c (set_bb_for_stmt): Do not update the
7740 block-to-labels map if we are currently expanding to RTL.
7741 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
7743 Handle IDENTIFIER_NODE.
7744 (tree_verify_flow_info): Do not ICE when emitting error
7745 messages about invalid labels.
7746 (dump_function_to_file): Reset CFUN before emitting the body
7748 (debug_function): New.
7749 * passes.c (init_optimization_passes): Schedule
7751 * langhooks-def.h (lhd_omp_predetermined_sharing,
7752 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
7754 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
7755 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
7756 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
7757 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
7758 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
7759 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
7760 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
7761 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
7762 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
7763 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
7764 (LANG_HOOK_DECLS): Use them.
7766 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
7767 Richard Henderson <rth@redhat.com>
7768 Jakub Jelinek <jakub@redhat.com>
7769 Diego Novillo <dnovillo@redhat.com>
7771 * c-parser.c (pragma_omp_clause): Define.
7772 (c_parser_declaration_or_fndef): Document OpenMP syntax.
7773 (c_parser_compound_statement): Likewise.
7774 (c_parser_statement): Likewise.
7775 (c_parser_pragma): Handle omp pragmas.
7776 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
7777 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
7778 (c_parser_omp_clause_name, check_no_duplicate_clause,
7779 c_parser_omp_variable_list,
7780 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
7781 c_parser_omp_clause_copyprivate,
7782 c_parser_omp_clause_default,
7783 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
7784 c_parser_omp_clause_lastprivate,
7785 c_parser_omp_clause_nowait,
7786 c_parser_omp_clause_num_threads,
7787 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
7788 c_parser_omp_clause_reduction,
7789 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7790 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7791 c_parser_omp_atomic, c_parser_omp_barrier,
7792 c_parser_omp_critical, c_parser_omp_flush,
7793 c_parser_omp_for_loop, c_parser_omp_for,
7794 c_parser_omp_master, c_parser_omp_ordered,
7795 c_parser_omp_sections_scope, c_parser_omp_sections,
7796 c_parser_omp_parallel, c_parser_omp_single,
7797 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7798 * c-pragma.c (init_pragma): Do omp pragma registration here.
7799 * c.opt (fopenmp): New flag.
7801 2006-01-18 Eric Christopher <echristo@apple.com>
7803 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7804 * config/darwin.h (GOMP_SELF_SPECS): Define.
7806 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7808 * rtl.h: Remove the prototype for reg_alloc.
7810 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7813 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7814 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7815 sjlj and dwarf2 exception handling.
7816 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7817 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7818 * pa/pa.c (function_value): Treat complex and vector types as
7820 (function_arg): Likewise. Only pass scalar floats in the floating
7821 point argument registers.
7822 * pa/t-slibgcc-dwarf-ver: New file.
7823 * pa/t-slibgcc-sjlj-ver: New file.
7824 * pa/t-slibgcc-elf-ver: Delete file.
7826 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7828 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7829 unlikely_test_section_p test.
7831 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7833 * mode-switching.c (optimize_mode_switching): Make it static.
7834 * basic-block.h: Remove the prototype for
7835 optimize_mode_switching.
7837 * modulo-sched.c (sms_schedule): Make it static.
7838 * rtl.h: Remove the prototype for sms_schedule.
7840 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7841 * rtl.h: Remove the prototype for gcse_after_reload_main.
7843 * reg-stack.c (reg_to_stack): Make it static.
7844 * rtl.h: Remove the prototype for reg_to_stack.
7846 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7848 * rtl.h: Remove the prototypes for regrename_optimize and
7849 copyprop_hardreg_forward.
7851 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
7853 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
7854 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
7855 Test against the appropriate null constant for the mode.
7856 If 'fixup_overlap' is true, swap the operands if they overlap.
7857 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
7858 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
7859 alpha_split_tmode_pair and adjust for above change.
7860 * config/alpha/alpha.md (movtf_internal): Adjust call to
7861 alpha_split_tfmode_pair and rely on it to swap the operands.
7862 (movti_internal): New insn and post-reload splitter.
7863 (movti): New expander.
7865 2006-01-18 Philippe De Muyter <phdm@macqel.be>
7867 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
7870 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7872 * rtlanal.c (global_reg_mentioned_p_1,
7873 global_reg_mentioned_p): Remove.
7874 * rtl.h: Remove the prototype for global_reg_mentioned_p.
7876 * flow.c (initialize_uninitialized_subregs): Make it static.
7877 * rtl.h: Remove the prototype for
7878 initialize_uninitialized_subregs.
7880 * function.c (instantiate_virtual_regs): Make it static.
7881 * function.h: Remove the prototype for
7882 instantiate_virtual_regs.
7884 * regmove.c (regmove_optimize, combine_stack_adjustments):
7886 * rtl.h: Remove the prototypes for regmove_optimize and
7887 combine_stack_adjustments.
7889 2006-01-17 Roger Sayle <roger@eyesopen.com>
7891 * config/i386/i386.c (COSTS_N_BYTES): New macro.
7892 (size_cost): Encode costs in bytes so that a reg-reg addition is
7893 equivalent to COSTS_N_INSNS(1).
7894 (override_options): Use the size_cost.branch_cost as the default
7895 ix86_branch_cost when optimizing for size.
7897 2006-01-18 Ben Elliston <bje@au.ibm.com>
7899 * Makefile.in (D32PBIT_FUNCS): New.
7900 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
7901 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
7902 D64PBIT_FUNCS and D128PBIT_FUNCS.
7903 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
7904 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
7906 (decnumber_dep): Define.
7907 * doc/libgcc.texi (Decimal float library routines): New node.
7908 * config/dfp-bit.h, config/dfp-bit.c: New files.
7910 2006-01-18 Ben Elliston <bje@au.ibm.com>
7912 * expr.c (emit_move_change_mode): Always adjust addresses, not
7913 just during reload. Copy replacements only during reload.
7914 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
7915 emit_move_via_integer.
7917 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
7919 * Makefile.in (check-%, check-consistency): Use $${srcdir}
7920 instead of $(srcdir) and ${srcdir}.
7922 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
7926 * arm.h (struct machine_function): Add pic_reg.
7927 * arm.c (arm_pic_register): Make unsigned.
7928 (arm_override_options): Only set arm_pic_register if
7929 TARGET_SINGLE_PIC_BASE.
7930 (use_return_insn): Only test for a pic register if it is fixed.
7931 (arm_compute_save_reg0_reg12_mask): Likewise.
7932 (thumb_compute_save_reg_mask): Likewise.
7933 (legitimate_pic_operand): Factor out some known invariants.
7934 (legitimize_pic_address): If we don't have a fixed pic register,
7935 then set up a pseudo in the function entry sequence. Handle the
7936 pic base being in a pseudo.
7937 (arm_load_pic_register): Handle the pic register being in a pseudo.
7938 (arm_expand_prologue): Only set up the pic register if it is fixed.
7939 (thumb_expand_prologue): Likewise.
7940 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
7941 (pic_load_addr_based_insn): Likewise.
7942 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
7945 2006-01-18 Ben Elliston <bje@au.ibm.com>
7947 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
7948 decimal float modes for all floating point registers.
7950 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
7951 match_code "mem" with match_test "macho_lo_sum_memory_operand".
7953 2006-01-17 Jakub Jelinek <jakub@redhat.com>
7956 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
7957 even when the pointer is not NULL.
7959 2006-01-16 Ian Lance Taylor <ian@airs.com>
7961 * common.opt (ftoplevel-reorder): New option.
7962 * cgraph.c (cgraph_asm_nodes): New global variable.
7963 (cgraph_asm_last_node): New static variable.
7964 (cgraph_order): New global variable.
7965 (cgraph_create_node): Set new order field.
7966 (cgraph_varpool_node): Likewise.
7967 (decide_is_variable_needed): Return true if not
7968 flag_toplevel_reorder.
7969 (cgraph_add_asm_node): New function.
7970 * cgraph.h (struct cgraph_node): Add order field.
7971 (struct cgraph_varpool_node): Add order field.
7972 (struct cgraph_asm_node): Define.
7973 (cgraph_asm_nodes, cgraph_order): Declare.
7974 (cgraph_add_asm_node): Declare.
7975 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
7977 (cgraph_varpool_assemble_pending_decls): Call it.
7978 (cgraph_output_pending_asms): New static function.
7979 (cgraph_finalize_compilation_unit): Call it.
7980 (struct cgraph_order_sort): Define.
7981 (cgraph_output_in_order): New static function.
7982 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
7983 !flag_toplevel_reorder case.
7984 * c-parser.c: Include "cgraph.h".
7985 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
7987 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
7988 than -fno-unit-at-a-time.
7989 * doc/invoke.texi (Option Summary): Mention
7990 -fno-toplevel-reorder.
7991 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
7992 -funit-at-a-time documentation.
7994 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
7995 Kazu Hirata <kazu@codesourcery.com>
7997 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
7999 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
8001 * Makefile.in (FUNCTION_H): New. Use it instead of
8002 function.h throughout the file.
8003 * function.h: Include tree.h.
8005 2006-01-17 Ben Elliston <bje@au.ibm.com>
8007 * recog.c: Separate some functions with whitespace.
8009 2006-01-16 Richard Henderson <rth@redhat.com>
8011 Merge from gomp branch:
8012 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
8013 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
8014 and rename from struct inline_data. Rename callee* to dst*;
8015 caller* to src*; add copy_decl hook, transform_call_graph_edges,
8016 transform_new_cfg, transform_return_to_modify, and
8017 transform_lang_insert_block flags; remove cloning_p, versioning_p,
8019 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
8020 (copy_decl_for_dup): Remove.
8021 * tree-inline.c (struct inline_data): Move to header.
8022 (insert_decl_map): Export.
8023 (remap_decl): Update for member name changes. Use copy_decl hook.
8024 Allow for replacement to be a non-decl. Remove dead code.
8025 (remap_type_1): Check for existing mapping.
8026 (remap_type): Export.
8027 (remap_decls): Update for member name changes.
8028 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
8029 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
8030 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
8031 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
8032 (tree_function_versioning, build_duplicate_type): Likewise.
8033 (copy_body_r): Likewise. Export.
8034 (copy_decl_for_dup): Split into ...
8035 (copy_decl_for_dup_finish, copy_decl_to_var,
8036 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
8037 (replace_ref_tree, inlining_p): Remove.
8039 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8041 * ifcvt.c (if_convert): Make it static.
8042 * rtl.h: Remove the prototype for if_convert.
8044 * local-alloc.c (local_alloc): Make it static.
8045 * rtl.h: Remove the prototype for local_alloc.
8047 * loop.c (loop_optimize): Make it static.
8048 * cfgloop.h: Remove the prototype for loop_optimize.
8051 2006-01-16 DJ Delorie <dj@redhat.com>
8053 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
8056 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8058 * pa.md: Disparage copies between general and floating-point registers
8059 in 32-bit move patterns.
8061 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
8064 * Makefile.in (check-%): Depend on site.exp instead of
8065 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
8068 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8070 * global.c (global_alloc): Make it static.
8071 * rtl.h: Remove the prototype for global_alloc.
8073 2006-01-16 Richard Guenther <rguenther@suse.de>
8075 * tree-ssa-alias.c (struct used_part): Add write_only field.
8076 (get_or_create_used_part_for): Initialize it to true.
8077 (create_overlap_variables_for): Don't create structure variables
8078 for structures that only are written to.
8079 (find_used_portions): Handle MODIFY_EXPR to track whether a
8080 structure is only written to.
8082 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8084 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
8086 * basic-block.h: Remove the prototype for
8087 partition_hot_cold_basic_blocks.
8089 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
8091 * cppspec.c (lang_specific_spec_functions): Remove.
8092 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
8093 * gcc.h (lang_specific_spec_functions): Remove.
8094 * gccspec.c (lang_specific_spec_functions): Remove.
8096 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
8098 * combine.c (record_value_for_reg): Invalidate registers
8100 (record_dead_and_set_regs_1): Likewise, by passing them to
8101 record_value_for_reg.
8102 (record_dead_and_set_regs): Invalidate stores made by a
8103 call. We do not combine across a call, but we still
8104 relied on equivalences.
8106 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8108 * tree-vrp.c (extract_range_from_binary_expr): Cope with
8109 vrp_int_const_binop returning non-constant nodes.
8111 2006-01-16 Paul Brook <paul@codesourcery.com>
8113 * config/m68k/m68k.c (output_move_const_into_data_reg):
8114 Output correct mnemonic for mvz and mvs.
8116 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
8118 * rtl-factoring.c: Add sequence abstraction algorithm.
8119 * cfgcleanup.c (outgoing_edges_match): Extra checks.
8120 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
8122 (block_has_preserve_label): New function.
8123 * common.opt: Register new pass.
8124 * Makefile.in: Ditto.
8126 * timevar.def: Ditto.
8127 * tree-pass.h: Ditto.
8128 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8129 * rtl.h (make_jump_insn_raw): Add forward decl.
8130 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8132 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8133 Roger Sayle <roger@eyesopen.com>
8135 * fold-const.c (fold_minmax): New static function.
8136 (fold_binary) <MIN_EXPR>: Call it.
8137 <MAX_EXPR>: Likewise.
8138 * stor-layout.c (place_field): Use DECL_SIZE consistently
8139 in the computation of the new record size.
8141 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8143 * cse.c (cse_condition_code_reg): Make it static.
8144 * rtl.h: Remove the prototype for cse_condition_code_reg.
8146 * combine.c (combine_instructions): Make it static.
8147 * rtl.h: Remove the prototype for combine_instructions.
8149 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8152 * tree.c (get_file_function_name_long): Concatenate the first global
8153 object name with a string derived from the input filename of the object
8156 2006-01-16 Ben Elliston <bje@au.ibm.com>
8158 * config/i386/winnt-stubs.c: Update FSF address.
8159 * config/xtensa/ieee754-df.S: Ditto.
8160 * config/xtensa/ieee754-sf.S: Ditto.
8162 2006-01-14 Ian Lance Taylor <ian@airs.com>
8164 * ifcvt.c (noce_init_if_info): New static function, broken out of
8165 noce_process_if_block.
8166 (noce_process_if_block): Call noce_init_if_info.
8167 (check_cond_move_block): New static function.
8168 (cond_move_process_if_block): New static function.
8169 (process_if_block): Call cond_move_process_if_block.
8171 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8173 * cselib.c (hash_table): Rename to cselib_hash_table.
8174 (cselib_clear_table, discard_useless_values,
8175 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8176 cselib_init, cselib_finish): Adjust uses of hash_table.
8178 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8180 PR tree-optimization/25485
8181 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8182 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8183 is known to be false and true, respectively.
8185 2006-01-14 Richard Guenther <rguenther@suse.de>
8187 PR tree-optimization/22548
8188 PR tree-optimization/22555
8189 PR tree-optimization/22501
8190 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8191 * params.def (salias-max-array-elements): New parameter.
8192 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8193 * doc/invoke.texi (salias-max-array-elements): Document.
8194 * tree-flow-inline.h (var_can_have_subvars): We also handle
8196 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8198 * tree-ssa-structalias.c (params.h): Include.
8199 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8200 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8201 (get_constraint_for): For ADDR_EXPR operating on something
8202 containing an ARRAY_REF, add all subvars to the solution.
8203 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8204 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8205 for creating MUST_DEFs.
8206 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8208 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8210 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8212 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8213 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8214 number_of_iterations_le): New functions.
8215 (number_of_iterations_special): Removed.
8216 (number_of_iterations_exit): Do not use number_of_iterations_special.
8217 * tree.c (unsigned_type_for): Always return integer type.
8219 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8220 Richard Guenther <rguenther@suse.de>
8222 PR rtl-optimization/24257
8223 * gcse.c (find_moveable_store): Only consider a store movable
8224 when the SET_SRC of the insn can be assigned to a register.
8226 2006-01-14 Ian Lance Taylor <ian@airs.com>
8228 * tree.c (tree_not_class_check_failed): New function.
8229 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8230 (tree_not_class_check_failed): Declare.
8232 2006-01-13 Ian Lance Taylor <ian@airs.com>
8234 * reload1.c (do_output_reload): Add assertion rejecting a
8237 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8239 * combine.c (struct reg_stat): Add new fields truncation_label and
8241 (record_value_for_reg): Reset truncated_to_mode.
8242 (record_truncated_value): New function.
8243 (check_promoted_subreg): Call it. Rename to check_conversions.
8244 (combine_instructions): Rename check_promoted_subreg to
8246 (reg_truncated_to_mode): New function.
8247 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8248 (gen_lowpart_or_truncate): New function.
8249 (force_to_mode): Use it instead of gen_lowpart.
8251 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8253 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8254 VAR is a tag, not its type tag.
8256 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8258 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8259 alternatives to match style of other entries.
8260 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8262 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8264 PR tree-optimization/25771
8265 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8268 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8271 * tree-inline.c (declare_return_variable): If the return variable
8272 was marked as a non gimple complex, set the return slot variable
8273 to be a non gimple comple variable.
8275 2006-01-13 Richard Guenther <rguenther@suse.de>
8277 * builtins.c (expand_builtin_sincos): New function.
8278 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8280 (expand_builtin): Expand sincos using expand_builtin_sincos.
8282 2006-01-12 DJ Delorie <dj@redhat.com>
8284 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8285 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8286 so that constant shifts can be split.
8287 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8288 (m32c_valid_pointer_mode): Make static.
8289 (shift_gen_func_for): New.
8290 (m32c_prepare_shift): Use it. Split large const shifts into
8292 * config/m32c/predicates.md (shiftcount_operand): Allow more
8294 (longshiftcount_operand): New.
8295 * doc/md.texi (Machine Constraints): Document In6.
8297 2006-01-13 Ben Elliston <bje@au.ibm.com>
8299 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8300 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8303 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8305 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8306 to try to avoid clobbering pieces of structures when we know
8307 something about the whole structure.
8308 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8310 2006-01-13 Ben Elliston <bje@au.ibm.com>
8312 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8313 return in memory, as this is no limitation is no longer present.
8315 2006-01-12 DJ Delorie <dj@redhat.com>
8317 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8318 mova with fb, and for fb+0 -> An.
8320 * config/m32c/mov.md (peephole2): Fix enabling logic.
8322 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8323 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8324 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8325 FINI_ARRAY_SECTION_ASM_OP): Define.
8327 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8329 (m32c_legitimize_reload_address): New logic to reload FB to An.
8330 (m32c_output_reg_push): Add newline.
8331 (m32c_output_reg_pop): Likewise.
8333 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8335 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8337 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8339 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8341 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8343 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8346 2006-01-11 Ben Elliston <bje@au.ibm.com>
8348 * rtlanal.c (find_reg_note): Assert insn is not null.
8350 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8352 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8355 2006-01-11 Jeff Law <law@redhat.com>
8357 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8359 (mark_threaded_blocks, register_jump_thread): New functions.
8360 (thread_through_all_blocks): Remove unwanted argument. No
8361 longer rely on e->aux to communicate thread target info.
8362 Call mark_threaded_blocks. Release the threaded_blocks
8363 bitmap and threaded_edges vector when complete.
8364 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8365 (threaded_blocks): Remove.
8366 (tree_ssa_dominator_optimize): Remove initialization and
8367 finalization of threaded_blocks. Simplify call to
8368 thread_through_all_blocks.
8369 (thread_across_edge): Call register_jump_thread rather than
8370 storing thread information into e->aux.
8371 (free_all_edge_infos): Simplify now that e->aux is no longer
8372 used to communicate with thread_through_all_blocks.
8373 * tree-flow.h (thread_through_all_blocks): Update prototype.
8374 (register_jump_thread): Prototype.
8376 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8378 * df-core.c (df_compact_blocks, df_bb_replace): Use
8379 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8381 2006-01-11 Richard Guenther <rguenther@suse.de>
8383 PR tree-optimization/25734
8384 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8385 stop propagation after successful propagation to the LHS.
8387 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8389 * basic-block.h (control_flow_graph): Change the type of
8390 x_basic_block_info to VEC(basic_block,gc) *.
8391 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8393 (SET_BASIC_BLOCK): New.
8394 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8395 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8396 * cfgbuild.c (find_basic_blocks): Likewise.
8397 * cfglayout.c (fixup_reorder_chain): Likewise.
8398 * cfgrtl.c (create_basic_block_structure,
8399 rtl_create_basic_block): Likewise.
8400 * ifcvt.c (find_if_case_1): Likewise.
8401 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8404 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8406 * Makefile.in: Removed rotted odf.c entry.
8408 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8411 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8412 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8413 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8414 output pattern modifier, not %e.
8415 * config/cris/cris.c (cris_op_str): Update comment about pattern
8417 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8418 before falling through into...
8419 <case 'E'>: Redefined from old 'e' case.
8421 2006-01-11 Jan Hubicka <jh@suse.cz>
8424 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8426 2006-01-11 Jan Hubicka <jh@suse.cz>
8428 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8429 * i386.c (x86_decompose_lea): Kill.
8430 (ix86_rtx_costs): Kill.
8432 2006-01-11 Jan Hubicka <jh@suse.cz>
8434 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8435 * cgraph.h (cgraph_node): Add inline_decl.
8436 (cgraph_insert_node_to_hashtable): Declare.
8437 (save_inline_function_body): Declare.
8438 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8440 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8441 (cgraph_function_versioning): Update call of tree_function_versioning.
8442 (save_inline_function_body): New function.
8443 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8444 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8445 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8446 (cgraph_default_inline_p): Likewise.
8447 (cgraph_decide_inlining_incrementally): Likewise.
8448 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8449 (copy_bb): Kill saving; do updating of clones.
8450 (copy_cfg_body): Kill saving.
8451 (initialize_inlined-parameters): Likewise.
8452 (expand_call_inline): Likewise.
8454 (tree_function_versioning): New parameter "update_clones".
8455 (inlining_p): Kill saving.
8456 * tree-inline.h (tree_function_versioning): Update prototype.
8457 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8460 2006-01-11 Ian Lance Taylor <ian@airs.com>
8462 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8463 Allow undoing set of machine mode.
8464 (do_SUBST): Use enums instead of is_int.
8465 (do_SUBST_MODE): New function.
8466 (SUBST_MODE): New macro.
8467 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8468 reg and trying to replace reg_regno_rtx with a new register.
8469 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8470 (simplify_set): Use SUBST_MODE.
8471 (distribute_notes): Remove code that tried to update reg notes
8472 for regno_reg_rtx changes.
8474 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8476 PR tree-optimization/23109
8477 PR tree-optimization/23948
8478 PR tree-optimization/24123
8480 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8481 * tree-cfg.c (single_noncomplex_succ): New.
8482 * tree-flow.h (single_noncomplex_succ): Declare it.
8483 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8484 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8485 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8486 insert_bb, register_division_in, insert_reciprocals,
8487 replace_reciprocal, free_bb): New.
8488 (execute_cse_reciprocals_1): Rewritten.
8489 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8490 Do not commit any edge insertion. Always compute dominators and
8491 create the allocation pool.
8492 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8493 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8494 * targhooks.c (default_min_divistions_for_recip_mul): New.
8495 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8496 * passes.c (init_optimization_passes): Run recip after tree loop
8498 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8500 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8501 Kenneth Zadeck <zadeck@naturalbridge.com>
8503 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8504 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8505 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8506 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8507 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8508 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8509 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8510 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8511 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8512 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8513 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8514 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8515 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8516 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8517 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8518 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8519 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8520 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8521 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8522 DF_SCAN_POST_ALLOC): New macros.
8523 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8524 df_free_bb_function, df_local_compute_function, df_init_function,
8525 df_dataflow_function, df_confluence_function_0,
8526 df_confluence_function_n, df_transfer_function,
8527 df_finalizer_function, df_free_function, df_dump_problem_function,
8528 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8529 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8530 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8531 df_urec_bb_info, ) New types.
8532 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8534 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8535 df_analyze_simple_change_some_blocks,
8536 df_analyze_simple_change_one_block, df_compact_blocks,
8537 df_bb_replace, df_bb_regno_last_use_find,
8538 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8539 df_insn_regno_def_p, df_find_def, df_find_use,
8540 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8541 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8542 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8543 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8544 debug_df_chain, df_get_dependent_problem, df_chain_create,
8545 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8546 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8547 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8548 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8549 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8550 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8551 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8552 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8553 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8554 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8555 df_reorganize_refs, df_set_state, df_hard_reg_init,
8556 df_read_modify_subreg_p) New public functions.
8557 * df-core.c: The core dataflow solver and glue routines for rtl
8559 (df_init, df_add_problem, df_set_blocks, df_finish,
8560 df_hybrid_search_forward, df_hybrid_search_backward,
8561 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8562 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8563 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8564 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8565 df_reg_defined, df_find_use, df_reg_used, df_dump,
8566 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8567 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8568 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8569 debug_df_useno, reset_df_after_reload): New functions.
8570 * df-scan.c: The scanning fuctions, once in df.c, completely
8571 rewritten so that they now fully model the functionality of
8572 register usage at the backend.
8573 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8574 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8575 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8576 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8577 df_get_artificial_defs, df_get_artificial_uses,
8578 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8579 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8580 df_refs_delete, df_reorganize_refs, df_set_state,
8581 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8582 df_def_record_1, df_defs_record, df_uses_record,
8583 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8584 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8585 df_record_exit_block_uses, df_hard_reg_init): New functions.
8587 * df-problems.c: Seven concrete dataflow problems that use the
8588 scanning in df-scan.c and are solved by the engine in df-core.c.
8589 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8590 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8591 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8592 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8593 df_ru_free_bb_info, df_ru_alloc,
8594 df_ru_bb_local_compute_process_def,
8595 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8596 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8597 df_ru_transfer_function, df_ru_free, df_ru_dump,
8598 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8599 df_rd_free_bb_info, df_rd_alloc,
8600 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8601 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8602 df_rd_transfer_function, df_rd_free, df_rd_dump,
8603 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8604 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8605 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8606 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8607 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8608 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8609 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8610 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8611 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8612 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8613 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8614 df_urec_mark_reg_use_for_earlyclobber,
8615 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8616 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8617 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8618 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8619 df_chain_create_bb_process_use, df_chain_create_bb,
8620 df_chain_finalize, df_chain_free, df_chains_dump,
8621 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8622 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8623 df_reg_lifetime): New functions.
8624 * df.c: Deleted file.
8625 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8626 consistent with new df api.
8627 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8628 rest_of_handle_sms): Ditto.
8629 * web.c (unionfind_union, union_defs, entry_register, web_main):
8631 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8632 invariant_expr_equal_p, find_defs, check_dependencies,
8633 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8634 free_inv_motion_data, move_loop_invariants): Ditto.
8635 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8636 Update dependencies.
8637 (odf.c): Added defective entry that was deleted later in day.
8638 * sched-deps.c (sched_analyze_1): Ditto.
8640 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8642 * tree-ssa-operands.c (get_expr_operands): Record addressable
8643 variables directly. Do not call add_stmt_operands for CONST_DECLs
8645 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8646 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8648 2006-01-11 Ben Elliston <bje@au.ibm.com>
8650 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8651 function returns true in the positive case.
8653 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8656 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8657 for SI, DI, SF and DF modes. Add alternatives to copy between
8658 general and floating point registers to the 32-bit patterns.
8659 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8660 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8661 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8662 generating 64-bit code.
8663 * config/pa/pa.c (output_move_double): Handle copies between general
8664 and floating registers.
8666 2006-01-10 Stuart Hastings <stuart@apple.com>
8668 * config/i386/i386.md (set_got): Update.
8669 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8670 (builtin_setjmp_receiver): Mach-O support.
8671 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8672 (GOT_SYMBOL_NAME): Define.
8673 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8674 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8675 * config/i386/i386.c (override_options): Revise for Darwin.
8676 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8677 support. (darwin_x86_file_end): New. (output_set_got): Add label
8678 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8679 * config/i386/i386-protos.h (output_set_got): Likewise.
8680 * config/darwin.c (machopic_legitimize_pic_address): Update
8683 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8685 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8686 when MODE isn't BLKmode.
8688 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8690 PR rtl-optimization/25367
8691 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8693 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8696 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8697 for a negative bound.
8699 2006-01-10 Richard Guenther <rguenther@suse.de>
8701 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8702 Never override with anything constraint.
8704 2006-01-10 Jan Beulich <jbeulich@novell.com>
8706 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
8707 256 bits when optimize_size.
8709 2006-01-10 Jan Beulich <jbeulich@novell.com>
8711 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
8713 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
8714 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
8717 2006-01-10 Ben Elliston <bje@au.ibm.com>
8719 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
8721 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
8722 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8723 (USE_FP_FOR_ARG): Reject decimal float modes.
8724 (function_arg_advance): Likewise.
8725 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
8726 (rs6000_handle_altivec_attribute): Do not permit decimal floating
8727 point types in AltiVec vectors.
8728 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
8729 (rs6000_libcall_value): Likewise.
8731 2006-01-09 Bob Wilson <bob.wilson@acm.org>
8733 * config/xtensa/ieee754-df.S: New file.
8734 * config/xtensa/ieee754-sf.S: New file.
8735 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
8736 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
8737 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
8739 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8741 * config/sh/predicates.md (binary_float_operator,
8742 binary_logical_operator, commutative_float_operator,
8743 equality_comparison_operator, greater_comparison_operator,
8744 less_comparison_operator, logical_operator,
8745 noncommutative_float_operator, shift_operator,
8746 symbol_ref_operand, unary_float_operator): Remove redundant
8749 2006-01-09 Jeff Law <law@redhat.com>
8751 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
8752 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
8753 now unused arguments. Callers updated.
8754 (eliminate_redundant_computations): Remove now unused arguments,
8756 (local_fold): Remove, no longer used.
8757 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
8759 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
8760 (simplify_cond): New function.
8761 (forward_propagate_into_cond): Call simplify_cond.
8763 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
8765 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
8766 (*vec_extractv2di_1_sse): New.
8768 2006-01-09 Ben Elliston <bje@au.ibm.com>
8770 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
8772 2006-01-08 Richard Guenther <rguenther@suse.de>
8774 * tree-ssa-structalias.c (get_constraint_for): Remove
8776 (get_constraint_for_component_ref): Likewise.
8777 (do_deref): Likewise.
8778 (get_constraint_for): Likewise.
8779 (do_structure_copy): Likewise.
8780 (handle_ptr_arith): Likewise.
8781 (find_func_aliases): Likewise. Remove unused need_anyoffset
8784 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
8785 Kaz Kojima <kkojima@gcc.gnu.org>
8787 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
8788 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8789 (EXTRA_CONSTRAINT_C16): Remove.
8790 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8791 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8792 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8793 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8794 constants of SHmedia. Handle nested constant expressions of
8796 (andcosts): Fix the costs for SHmedia constants.
8797 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8798 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8799 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8800 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8801 (movv4hi_i, movv2si_i): Likewise.
8802 (movsi_const): Adjust the second operand of ior so to match with
8804 (movdi_const, movdi_const_32bit): Likewise.
8805 (movdi_const_16bit+1): Don't sign-extend LOW.
8806 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8808 (*double_shori): Fix the split condition. Use GEN_INT instead
8809 of get_int_mode calls. Mask lower 16-bit of the argument of
8811 (sym2GOTPLT): Remove.
8812 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8814 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8815 instead of EXTRA_CONSTRAINT_C16.
8817 2006-01-07 Ian Lance Taylor <ian@airs.com>
8818 David Edelsohn <edelsohn@gnu.org>
8820 PR rtl-optimization/25662
8821 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8822 for constant operands instead of simplify_gen_binary.
8823 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8824 after trying simplify_binary_operation
8826 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8828 * tree.c (iterative_hash_expr): Hash decls based on UID.
8830 2006-01-06 Eric Christopher <echristo@apple.com>
8832 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8833 (TARGET_UNWIND_EMIT): Fix spelling.
8834 * target.h (gcc_target): Add except_table_label.
8835 * except.c (output_function_exception_table): Use.
8836 * varasm.c (default_emit_except_table_label): New.
8837 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8839 (asm_out): Add here.
8840 * output.h (default_emit_except_table_label): Prototype.
8841 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8842 * config/darwin.c (darwin_emit_except_table_label): Define.
8843 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8845 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8847 PR tree-optimization/18527
8848 * tree-ssa-loop-niter.c (number_of_iterations_cond,
8849 number_of_iterations_special, number_of_iterations_exit):
8850 Move base and step of an iv to a single structure. Add
8851 no_overflow flag, and use it in # of iterations analysis.
8852 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
8853 folded_casts argument.
8854 (simple_iv): Pass base and step in a structure. Set no_overflow
8856 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
8857 Evaluate expensiveness of computing # of iterations instead of
8858 the final expression.
8859 * tree-scalar-evolution.h (affine_iv): New structure.
8860 (simple_iv): Declaration changed.
8861 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
8862 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
8863 find_givs_in_stmt): Changed due to simple_iv change.
8865 2006-01-06 Jeff Law <law@redhat.com>
8868 * tree-cfg.c (bsi_replace): Rename final argument from
8869 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
8870 change (stmt -> orig_stmt).
8871 * tree-eh.c (verify_eh_throw_stmt_node): New function.
8872 (bsi_remove): Add new argument. Remove EH information
8874 (verify_eh_throw_table_statements): New function.
8875 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
8877 * tree-optimize.c (execute_free_cfg_annotations): Verify
8878 the EH throw statement table after removing annotations.
8879 * except.h (verify_eh_throw_table_statements): Prototype.
8880 * tree-flow.h (bsi_remove): Update prototype.
8881 * tree-vrp.c (remove_range_assertions): Add new argument to
8883 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
8884 * tree-complex.c (expand_complex_div_wide): Likewise.
8885 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
8886 * tree-tailcall.c (eliminate_tailcall): Likewise.
8887 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8888 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8889 * tree-nrv.c (tree_nrv): Likewise.
8890 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
8891 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
8892 (combine_blocks): Likewise.
8893 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
8894 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
8895 (cleanup_control_flow): Likewise.
8896 (remove_forwarder_block): Likewise.
8897 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8898 * tree-sra.c (sra_replace): Likewise.
8899 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
8900 (forward_propagate_single_use_vars): Likewise.
8901 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
8902 * tree-inline.c (expand_call_inline): Likewise.
8903 * tree-vect-transform.c (vect_transform_loop): Likewise.
8904 * tree-outof-ssa.c (rewrite_trees): Likewise.
8905 * tree-cfg.c (make_goto_expr_edges): Likewise.
8906 (cleanup_dead_labels): Likewise.
8907 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
8908 (bsi_move_before, bsi_move_after): Likewise.
8909 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
8910 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
8912 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
8915 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
8917 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
8918 on non gimple variables. Also add checks at the top for decls and
8920 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
8922 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
8923 and IMAGPART_EXPR for creating MUST_DEFs.
8924 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
8925 and NAME_MEMORY_TAG separately from the DECLs.
8927 2006-01-06 Richard Guenther <rguenther@suse.de>
8929 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
8930 annotation, if necessary.
8931 * tree-ssa-pre.c (create_expression_by_pieces): Remove
8932 redundant calls to update_stmt.
8933 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
8936 2006-01-05 Richard Henderson <rth@redhat.com>
8938 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
8940 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8942 * c-typeck.c: Update copyright date.
8944 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8946 * c-typeck.c (build_c_cast): Always warn when casting
8947 from a pointer to an integer of different size, even if
8948 the node was constant.
8950 2006-01-05 Richard Guenther <rguenther@suse.de>
8952 PR tree-optimization/22555
8953 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
8954 if one structure field is an array.
8955 * tree-ssa-operands.c (get_expr_operands): Continue scanning
8956 operands even if we found a subvar, but ignore VOPs in this
8958 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
8960 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
8962 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
8965 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
8967 2006-01-05 Richard Guenther <rguenther@suse.de>
8968 Diego Novillo <dnovillo@redhat.com>
8970 * tree-pass.h (TODO_remove_unused_locals): Define.
8971 * gimple-low.c (expand_var_p, remove_useless_vars,
8972 pass_remove_useless_vars): Remove. Update all users.
8973 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
8974 (remove_unused_locals): New function.
8975 * tree-flow.h (remove_unused_locals): Declare.
8976 * passes.c (execute_todo): Call remove_unused_locals if
8977 TODO_remove_unused_locals is set.
8978 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
8979 * tree-ssa-dce.c (pass_dce): Likewise.
8980 * tree-outof-ssa.c (pass_del_ssa): Likewise.
8982 2006-01-05 Richard Guenther <rguenther@suse.de>
8984 * tree-flow.h (struct fieldoff): Decompose field to
8985 type, size and decl.
8986 * tree-ssa-alias.c (create_sft): Take type as parameter.
8987 (create_overlap_variables_for): Store type, size and decl
8988 in the fieldoff structure.
8989 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
8991 (push_fields_onto_fieldstack): Likewise.
8992 (create_variable_info_for): Likewise. Use offset for the
8993 SFT name if the decl is not available.
8995 2006-01-04 Paul Brook <paul@codesourcery.com>
8997 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
8999 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
9001 * lambda-code.c (can_put_in_inner_loop): Relax
9003 (can_put_after_inner_loop): New function.
9004 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
9005 (perfect_nestify): Change to make copies and modify uses.
9007 2006-01-04 Richard Henderson <rth@redhat.com>
9009 Merge from gomp branch:
9010 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
9011 via integer constant.
9012 (pragma_lex): Remove.
9013 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
9014 rather than parsing it.
9015 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
9016 handle_pragma_extern_prefix): Add %< %> quotes.
9017 (registered_pragmas): New.
9018 (c_register_pragma_1): New.
9019 (c_register_pragma): Use it.
9020 (c_register_pragma_with_expansion): Likewise.
9021 (c_invoke_pragma_handler): New.
9022 (init_pragma): Use cpp_register_deferred_pragma directly for
9024 * c-pragma.h (enum pragma_kind): New.
9025 (pragma_handler): New.
9026 (c_invoke_pragma_handler): Declare.
9027 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
9029 * c-common.h (c_common_pch_pragma): Update decl.
9030 * Makefile.in (c-parser.o): Update dependencies.
9031 (GTFILES): Add c-pragma.h.
9032 * c-parser.c (struct c_token): Add pragma_kind.
9033 (struct c_parser): Add in_pragma.
9034 (c_lex_one_token): Always initialize keyword and pragma_kind.
9035 Extract data for CPP_PRAGMA.
9036 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
9037 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
9038 Don't allow CPP_PRAGMA_EOL if in_pragma.
9039 (c_parser_consume_pragma): New.
9040 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
9041 (c_parser_skip_to_end_of_parameter): Likewise.
9042 (c_parser_skip_to_end_of_block_or_statement): Likewise.
9043 (c_parser_skip_to_pragma_eol): New.
9044 (c_parser_external_declaration): Handle CPP_PRAGMA.
9045 (c_parser_compound_statement_nostart): Likewise.
9046 (c_parser_statement_after_labels): Likewise.
9047 (c_parser_pragma): New.
9048 (pragma_lex): Likewise.
9049 (c_parser_pragma_pch_preprocess): New.
9050 (c_parser_new): Merge into ...
9051 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
9053 2006-01-04 Jeff Law <law@redhat.com>
9056 * tree-cfg.c (bsi_replace): Remove the original statement
9057 from the EH throw statement table.
9059 2006-01-04 Jakub Jelinek <jakub@redhat.com>
9061 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
9062 make the prototype extern "C" and add throw ().
9065 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
9066 and pos non-negative and pos + len <= 32.
9067 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
9068 drop pos + len < HOST_BITS_PER_WIDE_INT test.
9069 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
9072 * c-common.c (handle_vector_size_attribute): Reject zero vector size
9073 as well as sizes not multiple of component size.
9076 * function.c (instantiate_expr): New function.
9077 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
9078 walk its DECL_VALUE_EXPR with instantiate_expr.
9080 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
9081 DW_OP_deref{,_size} if address isn't going to be added.
9083 2006-01-04 Ben Elliston <bje@au.ibm.com>
9085 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
9086 * config/fp-bit.c: Likewise.
9088 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
9090 * dominance.c: Add comment about why we use DFS numbering
9093 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9094 Richard Henderson <rth@redhat.com>
9096 Merge from gomp-branch:
9097 * varasm.c (assemble_variable): Handle thread-local COMMON data.
9098 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
9100 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
9102 PR rtl-optimization/25578
9103 * combine.c (combine_simplify_rtx, force_to_mode): Don't
9104 pass a parameter to simplify_shift_const if changing ASHIFTRT
9107 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
9109 * builtins.c (get_builtin_sync_mem): New function.
9110 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
9111 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
9112 Call get_builtin_sync_mem to generate mem rtx.
9114 2006-01-03 Richard Guenther <rguenther@suse.de>
9117 * stmt.c (add_case_node): Make sure to clear overflow flags
9120 2006-01-03 Jakub Jelinek <jakub@redhat.com>
9122 Merge from gomp-branch.
9123 * config/sparc/sync.md: New file.
9124 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9125 UNSPECV_LDSTUB): New constants.
9126 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9127 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9128 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9131 2006-01-03 Roger Sayle <roger@eyesopen.com>
9133 * combine.c (reg_subword_p): New predicate to test whether the
9134 destination of a set refers to a subword/piece of a register.
9135 (try_combine): Generalize the code to merge the setting of a
9136 pseudo to a constant followed by a set of a subword of that
9137 register to a constant.
9139 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9141 * basic-block.h (control_flow_graph): Change the type of
9142 x_label_to_block_map to VEC(basic_block,gc) *.
9143 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9144 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9146 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9147 VEC(basic_block,heap) *.
9148 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9149 ssa_prop_fini): Adjust the uses of cfg_blocks.
9151 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9153 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9155 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9156 hashing trees instead of a pointer hash.
9157 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9158 compare for MEM_EXPR.
9160 PR rtl-optimization/25130
9161 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9162 when comparing MEMs for GCSE
9164 2006-01-03 Ben Elliston <bje@au.ibm.com>
9166 * targhooks.h (default_decimal_float_supported_p): Declare.
9167 * targhooks.c (default_decimal_float_supported_p): Define.
9168 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9169 `default_decimal_float_supported_p'.
9170 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9172 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9174 * combine.c (apply_distributive_law <SUBREG>): Check
9175 TRULY_NOOP_TRUNCATION.
9177 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9179 * dwarf2out.c (have_switched_text_section): Delete.
9180 (have_multiple_function_sections): New.
9181 (have_location_lists): Make 'bool'.
9182 (add_AT_loc_list): Use 'true' not '1'.
9183 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9184 (output_loc_list): Use have_multiple_function_sections.
9185 (output_ranges): Likewise.
9186 (dwarf2out_begin_function): Set have_multiple_function_sections if
9188 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9189 Check function_section rather than DECL_SECTION_NAME.
9190 (dwarf2out_finish): Use have_multiple_function_sections.
9191 Don't clear have_location_lists.
9193 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9194 Jan Hubicka <jh@suse.cz>
9196 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9197 case of conditional jump jumping to the next instruction.
9198 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9199 cases of conditional jump jumping to the next instruction.
9201 2006-01-02 Jan Hubicka <jh@suse.cz>
9203 * i386.c (*_cost): Add COSTS_N_INSNS.
9204 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9206 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9209 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9211 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9213 * config/arm/arm.c (all_fpus): Fix comment typo.
9214 * config/darwin.c: Likewise.
9215 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9216 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9217 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9219 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9221 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9222 (rs6000_split_compare_and_swapqhi): New.
9223 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9224 (sync_compare_and_swapqhi_internal): New.
9225 * config/rs6000/rs6000-protos.h: Declare.
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