1 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3 * tree.h (tree_memory_tag): Add old_used_alone.
4 (SMT_OLD_USED_ALONE): New macro.
5 * tree-ssa-alias.c (recalculate_used_alone): Stop
6 marking things for renaming unnecessarily.
8 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
10 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
11 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
12 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
13 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
14 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
15 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
16 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
18 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
19 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
20 typos. Follow spelling conventions.
22 2006-04-07 DJ Delorie <dj@redhat.com>
24 * config/m32c/m32c.c (m32c_function_arg): Structures are always
26 (m32c_init_cumulative_args): When a function returns a structure,
27 always pass the pointer to that return area on the stack.
28 (m32c_function_arg_advance): Don't increment the parameter number
29 if we're processing the returned structure pointer.
30 (pushm_info): Reverse order of registers.
32 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
34 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
35 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
36 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
37 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
39 * tree-chrec.c (chrec_fold_multiply_poly_poly,
40 chrec_fold_multiply): Same.
41 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
42 force_expr_to_var_cost): Same.
43 * tree-mudflap.c (mf_xform_derefs_1): Same.
44 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
46 2006-04-07 David Edelsohn <edelsohn@gnu.org>
48 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
49 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
52 2006-04-07 Jan Hubicka <jh@suse.cz>
54 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
56 2006-04-07 Richard Guenther <rguenther@suse.de>
58 PR tree-optimization/26135
59 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
60 loads for store copy-prop.
61 (copy_prop_visit_stmt): Likewise.
63 2006-04-05 Robert Millan <robertmh@gnu.org>
65 * gcc/config/i386/linux.h: Add a comment to mark macros that are
66 being overriden in config/k*bsd-gnu.h.
67 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
69 * gcc/config/knetbsd-gnu.h: Ditto.
71 2006-04-06 Jan Hubicka <jh@suse.cz>
75 * coverage.c (coverage_checksum_string): Reorganize loop to not read
78 2006-04-06 Mike Stump <mrs@apple.com>
80 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
81 for HAVE_nonlocal_goto to be consistent.
82 (expand_builtin_nonlocal_goto): Likewise.
83 (expand_builtin_strcmp): Use #ifdef instead of #if
84 for HAVE_cmpstrnsi to be consistent.
86 2006-04-05 DJ Delorie <dj@redhat.com>
88 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
91 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
93 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
94 got-relative addressing for anything but SImode.
96 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
97 even if the calling function doesn't modify them.
99 2006-04-05 Richard Guenther <rguenther@suse.de>
101 PR tree-optimization/26919
102 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
103 to cgraph_estimate_size_after_inlining.
105 2006-04-05 Alan Modra <amodra@bigpond.net.au>
107 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
109 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
111 PR tree-optimization/26996
112 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
113 VECTOR_TYPE variables.
115 2006-04-05 Richard Guenther <rguenther@suse.de>
117 PR tree-optimization/26763
118 * fold-const.c (fold_comparison): Move folding of
119 PTR + CST CMP PTR + CST ...
120 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
122 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
124 * doc/install.texi (Prerequisites): Refine some wording on
125 bootstrapping and ksh.
126 Move the version numbers of DejaGnu here from the testing section
127 and fix casing of names.
128 Fix markup and clarify wording for autogen requirements.
129 Refer to GCJ instead of just java.
130 Refer to SVN instead of CVS.
131 Describe diffutils as useful instead of necessary.
132 (Downloading the source): Refer to SVN instead of CVS.
133 Adjust a link to our web site accordingly.
134 (Configuration): Fix casing of Bison.
135 (Building): Refer to SVN instead of CVS.
136 Fix a sentence on the use of Bison and remove duplicate (and
137 incorrect) version number of Bison requirement.
138 Remove one redundant list of packages needed for building.
139 (Specific): Avoid reference to CVS.
141 2006-04-04 Eric Christopher <echristo@apple.com>
143 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
144 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
145 (rs6000_handle_struct_attribute): New.
146 (rs6000_ms_bitfield_layout_p): Ditto.
148 2006-04-04 Geoffrey Keating <geoffk@apple.com>
150 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
151 NULL for dso parameter to atexit_common.
153 2006-04-04 Eric Christopher <echristo@apple.com>
155 * config/i386/i386.c (machopic_output_stub): Output \t
156 between instructions and operands.
158 2006-04-04 David Edelsohn <edelsohn@gnu.org>
160 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
161 satisfies_constraint_[IL] to explicit tests on value.
163 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
165 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
166 set_nb_iterations_in_loop): Use build_int_cst instead of
168 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
169 build_int_cst instead of convert.
171 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
173 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
174 new value 2 for incoming.
175 * function.c (expand_function_start): Call struct_value_rtx
177 * config/sparc/sparc.md: Comment updated_return.
178 * config/sparc/sparc.opt: Add -mstd-struct-return option.
179 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
180 struct return if sparc_std_struct_return and incoming is 2.
181 (print_operand): Do not adjust return if
182 sparc_std_struct_return.
184 2006-04-04 Roger Sayle <roger@eyesopen.com>
186 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
187 convert in the middle-end.
188 * expr.c (store_expr, store_constructor, get_inner_reference,
189 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
191 * tree.c (build_range_type): Likewise.
193 2006-04-04 Tom Tromey <tromey@redhat.com>
195 * doc/install.texi (Prerequisites): Mention jar.
197 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
199 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
202 2006-04-04 Matthias Klose <doko@debian.org>
204 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
206 2006-04-03 Geoffrey Keating <geoffk@apple.com>
208 * doc/extend.texi (Function Attributes): Rewrite visibility
209 attribute documentation.
210 * doc/invoke.texi (C++ Dialect Options): Rewrite
211 -fvisibility-inlines-hidden documentation to describe something
212 entirely different, although in practise compatible.
213 (Code Gen Options): Warn about system headers in -fvisibiltity=
216 * doc/extend.texi (Other Builtins): Document that
217 __builtin_nan is a compile-time constant only when its argument
220 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
222 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
223 trying to remove TRUNCATE check if all bits outside the new mode
224 are identical to the sign bit.
226 2006-04-03 Jeff Law <law@redhat.com>
228 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
229 and operand scanning in some common cases.
231 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
232 Dale Johannesen <dalej@apple.com>
235 * regclass.c (struct reg_pref): Update documentation.
236 (regclass): Set prefclass to NO_REGS if memory is the best option.
237 (record_reg_classes): Cope with a prefclass set to NO_REGS.
238 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
239 into account. For non-registers, equate an empty preferred
240 reload class to a `!' in the constraint; move the if clause to
241 do so after those that reject the insn.
242 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
244 (find_dummy_reload): Likewise.
245 * doc/tm.texi (Register Classes): Document what it means
246 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
247 * config/i386/i386.c (ix86_preferred_reload_class): Force
248 using SSE registers (and return NO_REGS for floating-point
249 constants) if math is done with SSE.
250 (ix86_preferred_output_reload_class): New.
251 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
252 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
253 * config/i386/i386.md: Remove # register preferences.
255 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
258 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
259 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
261 (instantiate_parameters_1): Convert the operands before calling
262 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
263 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
265 2006-04-02 Roger Sayle <roger@eyesopen.com>
267 * builtins.c (dummy_object): Use build_int_cst instead of convert.
268 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
270 * dojump.c (do_jump): Likewise.
271 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
272 * gimplify.c (gimple_boolify, gimplify_init_constructor,
273 gimplify_boolean_expr): Likewise.
274 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
275 * varasm.c (array_size_for_constructor): Likewise.
276 * tree-object-size.c (compute_object_offset): Likewise.
278 2006-04-02 Roger Sayle <roger@eyesopen.com>
281 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
282 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
284 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
286 PR tree-optimization/26939
287 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
289 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
291 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
292 at_stmt. Convert the type of operands before calling
293 build_polynomial_chrec.
294 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
296 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
297 (instantiate_parameters_1): Convert the type of operands before calling
298 build_polynomial_chrec.
299 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
300 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
301 reset_evolution_in_loop): Insert asserts to check the types of the
303 (chrec_type): Moved...
304 (eq_evolutions_p): Use operand_equal_p.
305 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
306 the types of the operands.
307 (chrec_type): ...here.
308 * tree-data-ref.c (create_data_ref): Convert the operands before
309 calling chrec_replace_initial_condition.
310 (same_access_functions, analyze_subscript_affine_affine,
311 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
312 (compute_subscript_distance, analyze_ziv_subscript,
313 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
314 analyze_miv_subscript): Convert the operands before calling
315 chrec_fold_minus or chrec_fold_plus.
317 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
319 * tree-data-ref.c (compute_all_dependences): Use a pointer to
320 the dependence_relations vector.
321 (compute_data_dependences_for_loop): Adjust call to
322 compute_all_dependences.
324 2006-04-01 Roger Sayle <roger@eyesopen.com>
325 Richard Henderson <rth@redhat.com>
327 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
328 gimple_boolify on the condition before calling gimplify_expr.
330 2006-03-31 Bob Wilson <bob.wilson@acm.org>
332 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
333 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
334 the frame size. Update to use the new macros.
335 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
336 * config/xtensa/ieee754-df.S: Likewise.
338 2006-03-31 Richard Henderson <rth@redhat.com>
340 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
341 (make_edges): ... here. Control fallthru creation with a local
342 variable. Do not play with fake edges.
343 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
344 (make_goto_expr_edges): Don't play with fake edges. Make for_call
347 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
349 * dwarf2.h (DW64_CIE_ID): Define.
350 * dwarf2out.c (DWARF_CIE_ID): Define.
351 (output_call_frame_info): Output 0xffffffff before standard 8-byte
352 length header. Use DWARF_CIE_ID.
353 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
354 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
356 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
358 * config/sh/linux-atomic.asm: New file.
359 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
361 2006-03-31 DJ Delorie <dj@redhat.com>
363 * config/m32c/cond.md: Set condition flags properly throughout.
364 * config/m32c/minmax.md: Likewise.
365 * config/m32c/prologue.md: Likewise.
366 * config/m32c/bitops.md: Likewise.
367 * config/m32c/muldiv.md: Likewise.
368 * config/m32c/mov.md: Likewise.
369 * config/m32c/addsub.md: Likewise.
370 * config/m32c/m32c.md: Likewise.
371 * config/m32c/jump.md: Likewise.
372 * config/m32c/shift.md: Likewise.
374 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
375 conditionally output the pattern for this.
376 * config/m32c/m32c.c (flags_needed_for_conditional): New.
377 (m32c_compare_redundant): New.
378 (m32c_output_compare): New.
379 * config/m32c/m32c-protos.h (m32c_output_compare): New.
381 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
382 dest, not src. Allow other 4-byte modes.
384 2006-03-30 Denis Chertykov <denisc@overta.ru>
386 * doc/md.texi: Refer to avr/constraints.md instead of
389 2006-03-30 Roger Sayle <roger@eyesopen.com>
391 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
392 signed vs. unsigned comparison failures on some hosts.
394 2006-03-31 Alan Modra <amodra@bigpond.net.au>
397 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
398 change to FLOAT_REGS.
400 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
401 (rs6000_override_options): Use it.
402 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
403 only for -mabi=spe/no-spe and -mabi=altivec.
405 2006-03-30 Geoffrey Keating <geoffk@apple.com>
407 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
410 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
412 * Makefile.in: Rename docdir to gcc_docdir.
414 2006-03-30 Roger Sayle <roger@eyesopen.com>
417 * expr.c (emit_group_store): Optimize group stores into a pseudo
418 register by using a paradoxical subreg to initialize the destination
419 if the first or last member of the group specifies a "low part".
421 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
424 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
425 * target.h (struct gcc_target.speculate_insn): Change type of the
426 second parameter to 'int'.
427 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
428 the second operand of the DEPS_LIST.
429 (copy_DEPS_LIST_list): Update reference to the second operand of the
431 * rtl.h (alloc_DEPS_LIST): Update signature.
432 * sched-int.h (ds_t): Change typedef to 'int'.
433 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
435 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
437 * haifa-sched.c (try_ready): Change condition to restore
438 non-speculative pattern of the instruction.
439 (process_insn_depend_be_in_spec): Code to keep probability of the
440 speculative dependence non-decreasing.
442 2006-03-30 Jie Zhang <jie.zhang@analog.com>
444 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
445 (single_move_for_movmem): ... this. Also change all uses.
446 (bfin_expand_strmov): Renamed to...
447 (bfin_expand_movmem): ... this. Also change all uses.
448 * config/bfin/bfin.md (movstrsi): Renamed to...
451 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
453 PR tree-optimization/26830
455 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
456 (copy_prop_visit_stmt): Remove write-only variable ann.
457 (init_copy_prop): Check variable loop depth here. Do not simulate
458 memory-tag and virtual operand PHIs except for store copy prop.
460 2006-03-30 Richard Guenther <rguenther@suse.de>
462 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
463 variants with double arguments.
465 2006-03-29 David Edelsohn <edelsohn@gnu.org>
467 * genpreds.c (write_tm_constrs_h): Delete variable p.
468 * genconditions.c (write_header): Add tm-constrs.h to included
470 * genpeep.c (main): Add toplev.h to included headers.
471 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
472 (build/genpeep.o): Add toplev.h dependency.
473 * config/rs6000/constraints.md: Add "W" constraint.
475 2006-03-29 Roger Sayle <roger@eyesopen.com>
477 * stor-layout.c (mode_for_size_tree): Remove restiction on type
478 sizes by correctly testing whether the size fits a host integer.
479 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
480 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
481 SImode range for the default sizetype and bitsizetype.
483 2006-03-29 Roger Sayle <roger@eyesopen.com>
485 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
486 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
487 quickly if the argument is already of the correct type.
488 Call fold_build1 instead of build1. Tidy up blank lines.
490 2006-03-29 David Edelsohn <edelsohn@gnu.org>
492 * genemit.c (main): Add tm-constrs.h to included headers.
493 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
494 * genpeep.c (main): Add tm-constrs.h to included headers.
495 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
496 (write_tm_constrs_h): this and write complete file.
497 (write_tm_preds_h): Do not emit satisfies_constraint fns.
498 (write_insn_preds_c): Add tm-constrs.h to included headers.
499 (gen_constrs): New variable.
500 (parse_option): Parse "-c".
501 (main): Invoke write_tm_constrs_h.
502 * genrecog.c (write_header): Add tm-constrs.h to included headers.
503 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
504 (object_out_file): Add tm-constrs.h dependency.
506 (insn-output.o): Same.
508 (insn-preds.o): Same.
509 (insn-recog.o): Same.
510 (tm-constsr.h): New target.
511 (s-constrs-h): New target.
513 * config/rs6000/constraints.md: New file.
514 * config/rs6000/rs6000.c: Include tm-constrs.h.
515 (num_insn_constant_wide): Convert to satisfies_constraint.
516 (rs6000_rtx_costs): Convert to satisfies_constraint.
517 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
518 (CONST_OK_FOR_LETTER_P): Delete.
519 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
520 (EXTRA_CONSTRAINT): Delete.
521 (EXTRA_MEMORY_CONSTRAINT): Delete.
522 (EXTRA_ADDRESS_CONSTRAINT): Delete.
523 * config/rs6000/predicates.md: Convert to satisfies_constraint.
524 * config/rs6000/rs6000.md: Include constraints.md. Convert to
525 satisfies_constraint.
527 * config/i386/i386.c: Include tm-constrs.h.
529 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
531 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
532 * tree-data-ref.c (find_data_references_in_loop,
533 compute_data_dependences_for_loop): Use pointers to VEC.
534 (analyze_all_data_dependences): Adjust calls.
535 * tree-data-ref.h (find_data_references_in_loop,
536 compute_data_dependences_for_loop): Adjust declarations.
537 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
538 compute_data_dependences_for_loop.
540 2006-03-29 Paul Brook <paul@codesourcery.com>
542 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
545 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
547 PR tree-optimization/26859
548 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
550 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
551 for the step after fold_convert.
553 2006-03-29 Paul Brook <paul@codesourcery.com>
555 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
556 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
558 2006-03-29 Paul Brook <paul@codesourcery.com>
561 * targhooks.c (default_narrow_bitfield): New fuction.
562 * targhooks.h (default_narrow_bitfield): add prototype.
563 * target.h (gcc_target): Add narrow_volatile_bitfield.
564 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
565 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
566 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
567 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
569 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
571 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
573 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
574 (NR_C_MODES): Add TDmode, DDmode and SDmode.
575 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
576 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
577 (s390_function_arg_float): Allow SDmode and DDmode values to be
578 passed in floating point registers.
579 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
580 check with SCALAR_FLOAT_MODE_P.
581 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
583 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
585 PR tree-optimization/25985
586 * tree-ssa-loop-niter.c (number_of_iterations_le,
587 number_of_iterations_ne): Make comments more precise.
588 (number_of_iterations_cond): Add only_exit argument. Use the
589 fact that signed variables do not overflow only when only_exit
591 (loop_only_exit_p): New.
592 (number_of_iterations_exit): Pass result of loop_only_exit_p to
593 number_of_iterations_cond.
595 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
597 PR tree-optimization/26643
598 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
601 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
603 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
604 (divsi3_i4_int): Likewise.
606 2006-03-28 Roger Sayle <roger@eyesopen.com>
608 * expr.c (emit_group_store): Only create a new pseudo reg if the
609 quantity it needs to hold isn't already a suitable pseudo.
611 2006-03-28 Jeff Law <law@redhat.com>
613 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
614 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
616 2006-03-28 Roger Sayle <roger@eyesopen.com>
618 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
619 the equivalent ~X & Y, and the symmetry related transformations.
620 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
621 ~X & Y, and symmetry related transforms.
623 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
625 Revert my 2006-03-27 patches.
627 2006-03-28 Roger Sayle <roger@eyesopen.com>
629 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
630 ~(T1)X, when T1 and T2 are integer types of the same precision
631 and (T2)X isn't an extension.
633 2006-03-28 Jeff Law <law@redhat.com>
635 PR tree-optimization/26796
636 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
637 need EH edge cleanups rather than purging them immediately.
638 (eliminate_degenerate_phis): Handle queued EH cleanups.
640 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
642 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
645 2006-03-27 Roger Sayle <roger@eyesopen.com>
648 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
649 cast BIT_NOT_EXPR operand to the correct type.
651 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
653 * tree-loop-linear.c: Don't include varray.h.
654 (gather_interchange_stats, try_interchange_loops,
655 linear_transform_loops): Use VEC instead of VARRAY.
656 * lambda-mat.c: Don't include varray.h.
657 * tree-chrec.c: Same.
658 * lambda-trans.c: Same.
659 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
660 VEC instead of VARRAY.
661 * tree-vectorizer.h: Idem.
662 * tree-data-ref.c (dump_data_references,
663 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
664 initialize_data_dependence_relation, finalize_ddr_dependent,
665 compute_all_dependences, find_data_references_in_loop,
666 compute_data_dependences_for_loop, analyze_all_data_dependences,
667 free_dependence_relation, free_dependence_relations,
668 free_data_refs): Idem.
669 * tree-data-ref.h (data_reference_p, subscript_p): New.
670 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
671 VEC instead of VARRAY.
672 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
673 (find_data_references_in_loop, compute_data_dependences_for_loop,
674 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
675 dump_data_dependence_relations, free_dependence_relations,
676 free_data_refs): Adjust declaration.
677 (lambda_transform_legal_p): Move declaration here...
678 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
679 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
680 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
681 vect_analyze_data_refs): Use VEC instead of VARRAY.
682 * lambda.h (lambda_transform_legal_p): ...from here.
683 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
684 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
685 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
686 tree-chrec.o): Don't depend on VARRAY_H.
688 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
690 * rtl.def (Copyright): Update date.
691 (DEPS_LIST): Change type of the second operand to 'int'.
692 * target.h (Copyright): Update date.
693 (struct gcc_target.speculate_insn): Change type of the second parameter
695 * lists.c (Copyright): Update date.
696 (alloc_DEPS_LIST): Change signature. Update reference to the second
697 operand of the DEPS_LIST.
698 (copy_DEPS_LIST_list): Update reference to the second operand of the
700 * rtl.h (Copyright): Update date.
701 (alloc_DEPS_LIST): Update signature.
702 * sched-int.h (Copyright): Update date.
703 (ds_t): Change typedef to 'int'.
704 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
706 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
708 * haifa-sched.c (Copyright): Update date.
709 (try_ready): Change condition to restore non-speculative pattern
711 (process_insn_depend_be_in_spec): Code to keep probability of the
712 speculative dependence non-decreasing.
714 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
716 * regrename.c (replace_oldest_value_addr): Initialize a variable to
717 shut up the compiler.
719 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
721 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
722 to use lib prefix for target.
723 ($(T)libic_invalidate_array_4-200.a): Likewise.
724 ($(T)libic_invalidate_array_4a.a): Likewise.
726 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
727 J"orn Rennecke <joern.rennecke@st.com>
729 * superh.opt: New file.
730 * sh.c (boardtype, osruntime): Remove.
731 * superh.h (SUBTARGET_OPTIONS): Remove.
732 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
734 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
735 arguments with ^ and/or [].
737 * config.gcc (sh-*-*): Add quoting to account for quirk of
739 Replace == with = in enable_incomplete_targets test.
741 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
742 with MASK_LITTLE_ENDIAN.
744 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
745 * config/sh/sh.opt: Added to some comments.
746 * config/sh/superh.h: Removed some chaff.
748 * config/sh/sh.opt: Add m4-[1234]00* options.
749 * config/sh/sh.c (sh_handle_option): Likewise.
750 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
751 (ic_invalidate_array_4-100.o): New rule.
752 ($(T)libic_invalidate_array_4-100.a): Likewise.
753 (ic_invalidate_array_4-200.o): Likewise.
754 ($(T)libic_invalidate_array_4-200.a): Likewise.
755 (ic_invalidate_array_4a.o): Likewise.
756 ($(T)libic_invalidate_array_4a.a): Likewise.
757 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
758 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
760 * config/sh/crt1.asm: Merged in profiling code.
761 * config/sh/superh.h (STARTFILE_SPEC): Override.
762 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
763 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
764 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
766 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
767 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
768 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
770 * sh.opt (mpretend-cmove): New option.
771 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
772 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
773 (movsicc): Add TARGET_PRETEND_CMOVE code.
775 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
777 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
778 s390_class_max_nregs): New function prototypes.
779 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
780 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
781 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
782 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
784 2006-03-26 Geoffrey Keating <geoffk@apple.com>
786 * dwarf2out.c (add_location_or_const_value_attribute): Call
787 tree_add_const_value_attribute if nothing else works.
788 (reference_to_unused): New.
789 (rtl_for_decl_init): Use reference_to_unused to decide whether
790 to output an initializer.
792 2006-03-27 Alan Modra <amodra@bigpond.net.au>
795 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
796 peephole removing spe frob_di_df_2.
798 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
800 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
801 (subscript_dependence_tester_1): Declared.
802 (print_dir_vectors, print_dist_vectors): New.
803 (debug_data_dependence_relation): New.
804 (dump_data_dependence_relation): Print more details.
805 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
806 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
807 (save_dist_v, save_dir_v, add_outer_distances,
808 build_classic_dist_vector_1): New.
809 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
810 Don't test for lambda_vector_lexico_pos.
811 (same_access_functions, add_multivariate_self_dist,
812 add_other_self_distances, dir_from_dist): New.
813 (build_classic_dir_vector): Replace implementation almost identical to
814 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
816 (subscript_dependence_tester_1): New.
817 (subscript_dependence_tester): Handle the lexicographically negative
818 distance vectors by recomputing the dependence relation.
819 (compute_affine_dependence): Remove parameter loop_nest_depth.
820 (compute_self_dependence): Don't call compute_subscript_distance.
821 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
822 Add a parameter for the loop_nest.
823 (find_loop_nest_1, find_loop_nest): New.
824 (compute_data_dependences_for_loop): Compute the loop nest, and give
825 up if the nest is not well formed.
826 * tree-data-ref.h (loop_p): New.
827 (struct data_dependence_relation): Replace size_vect field with
828 loop_nest, a vec of loops.
829 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
830 (DDR_LOOP_NEST): New.
831 (print_dir_vectors, print_dist_vectors,
832 debug_data_dependence_relation): Declared.
833 (index_in_loop_nest): New.
834 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
835 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
838 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
840 * simplify-rtx.c (simplify_relational_operation): Call
841 simplify_relational_operation_1 even if mode is VOIDmode.
843 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
845 PR tree-optimization/26804
846 * tree.h (DECL_CALL_CLOBBERED): New macro.
847 (tree_decl_common): Add call_clobbered_flag.
848 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
849 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
850 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
851 (mark_non_addressable): Ditto.
852 * tree-ssa.c (verify_call_clobbered): New function.
853 (verify_alias_info): Use it.
854 * tree-pass.h (pass_reset_cc_flags): New prototype.
855 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
856 (reset_cc_flags): New function.
857 * passes.c (init_optimization_passes): Call reset_cc_flags after
858 initializing referenced_vars.
860 2006-03-25 Uros Bizjak <uros@kss-loka.si>
861 Roger Sayle <roger@eyesopen.com>
864 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
865 to 1.0 for non-real operands. Implement A / A optimization for
868 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
870 * config/i386/i386.c (size_cost): Correct the comment for
871 cost of storing fp registers.
872 (i386_cost): Likewise.
873 (i486_cost): Likewise.
874 (pentium_cost): Likewise.
875 (pentiumpro_cost): Likewise.
877 (athlon_cost): Likewise.
879 (pentium4_cost): Likewise.
880 (nocona_cost): Likewise.
881 (generic64_cost): Likewise.
882 (generic32_cost): Likewise.
884 2006-03-24 Denis Chertykov <denisc@overta.ru>
886 * config/avr/avr-protos.h (extra_constraint): Delete.
887 (extra_constraint_Q): New declaration.
888 * config/avr/constraints.md: New file.
889 * config/avr/avr.md: Include it.
890 (REG_X, REG_Y, REG_Z, REG_W): New constants.
891 (TMP_REGNO, ZERO_REGNO): Likewise.
892 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
893 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
894 (extra_constraint): Delete.
895 (extra_constraint_Q): Test for memory constraint 'Q'.
896 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
897 (REG_CLASS_FROM_LETTER): Delete.
898 (CONST_OK_FOR_LETTER_P): Delete.
899 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
900 (EXTRA_CONSTRAINT): Delete.
902 (ZERO_REGNO): Delete.
904 2006-03-24 Jeff Law <law@redhat.com>
906 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
907 directly. Call mark_new_vars_to_rename slightly earlier.
909 2006-03-24 Geoffrey Keating <geoffk@apple.com>
911 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
913 (gen_compile_unit_die): Use new language types for Objective-C and
915 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
919 * config/t-darwin (crt3.o): Work around bug 26840.
920 * config/darwin-crt3.c: Rewrite.
921 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
923 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
925 * doc/invoke.texi: Document -femit-class-debug-always
926 * common.opt: Add -femit-class-debug-always.
928 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
930 * config/s390/s390.c (s390_decompose_address): Allow SImode for
931 index and base register.
932 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
933 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
934 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
935 REGNO_OK_FOR_INDEX_P.
936 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
938 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
939 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
940 REG_OK_FOR_BASE_P): Definitions removed.
942 2006-03-24 Jakub Jelinek <jakub@redhat.com>
945 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
946 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
947 set yet or weren't marked as local yet.
949 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
951 * regrename.c (scan_rtx_address): Initialize a variable to shut up
954 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
956 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
957 (rs6000_legitimate_small_data_p): Delete.
958 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
959 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
960 and make static. Add forward declaration. Update uses.
961 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
962 of offsettable_memref_p.
963 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
964 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
966 2006-03-24 Jeff Law <law@redhat.com>
968 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
969 around bug in immediate-use iterator.
971 2006-03-24 Alan Modra <amodra@bigpond.net.au>
974 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
975 or __LITTLE_ENDIAN__.
977 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
979 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
980 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
981 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
982 * config/sh/sh.opt (mdiv=): Amend description.
983 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
984 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
985 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
986 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
987 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
988 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
989 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
990 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
991 TARGET_DIVIDE_CALL_FP.
993 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
995 * haifa-sched.c (choose_ready): Fix type of the local variable.
996 Move local variables. Add comment.
997 (check_reg_live): Change signature. Make callable from debugger.
998 * sched-int.h (check_reg_live): Update signature.
999 * sched-ebb.c (check_reg_live): Update parameters.
1000 * sched-rgn.c (check_reg_live): Ditto.
1001 (region_head_or_leaf_p): Check pointer before dereferencing.
1002 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
1003 before reload on optimization levels below 1.
1005 2006-03-23 Richard Henderson <rth@redhat.com>
1007 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
1011 * config/alpha/predicates.md (local_symbolic_operand): Reject
1014 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
1017 * tree-ssa-pre.c (create_value_expr_from): Don't reject
1018 expressions which have overflowed constants.
1020 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1022 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
1024 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
1026 * cfgloopmanip.c (create_loop_notes): Removed.
1027 * final.c (final_scan_insn): Do not handle loop notes.
1028 * jump.c (squeeze_notes): Ditto.
1029 * cfglayout.c (skip_insns_after_block,
1030 duplicate_insn_chain): Ditto.
1031 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1033 * cfgloop.h (create_loop_notes): Declaration removed.
1035 2006-03-23 Richard Sandiford <richard@codesourcery.com>
1037 * varasm.c (output_constant_pool): Restore fnname and fndecl
1039 (assemble_start_function): Adjust call accordingly.
1040 (assemble_end_function): Likewise.
1042 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1045 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
1048 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
1050 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1053 * system.h (ICE_EXIT_CODE): New macro.
1054 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
1055 (diagnostic_action_after_output): Likewise.
1056 * gcc.c (fatal_ice): New function.
1057 (execute): Use it instead of fatal.
1058 (fancy_abort): Likewise.
1059 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
1061 2006-03-22 Jeff Law <law@redhat.com>
1063 * loop-unroll.c (analyze_iv_to_split_insn): Handle
1064 iv_analyze_result returning false.
1066 2006-03-22 Jie Zhang <jie.zhang@analog.com>
1068 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
1070 2006-03-22 Richard Henderson <rth@redhat.com>
1073 * except.c (duplicate_eh_regions_0): New.
1074 (duplicate_eh_region_1): Duplicate the children of the node as
1075 well as the node itself. Link them up properly.
1076 (duplicate_eh_region_2): Merge into ...
1077 (duplicate_eh_regions): ... here. Take copy_region argument, and
1078 copy only a sub-tree if asked. Simplify copying and fixup.
1079 (eh_region_outer_p): New.
1080 * except.h (duplicate_eh_regions): Update decl.
1081 (eh_region_outer_p): Declare.
1082 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
1083 (lower_omp_master): Likewise.
1084 (lower_omp_ordered): Likewise.
1085 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
1086 (move_stmt_r): Use it to remap labels. Handle recursion vs
1087 remap_decls_p properly.
1088 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
1089 (find_outermost_region_in_block): New.
1090 (new_label_mapper): New.
1091 (move_sese_region_to_fn): Copy eh information to the new function
1093 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
1095 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
1098 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1100 * doc/md.texi (-mshared): Mention that -mshared code can be linked
1101 into shared libraries.
1103 2006-03-22 Richard Sandiford <richard@codesourcery.com>
1105 * doc/md.texi: Refer to i386/constraints.md instead of
1107 * config/i386/constraints.md: New file, extracted from...
1108 * config/i386/predicates.md: ...here.
1109 * config/i386/i386.md: Include constraints.md.
1111 2006-03-21 Jason Merrill <jason@redhat.com>
1113 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
1116 * expr.c (init_block_move_fn): Force default visibility.
1117 (init_block_clear_fn): Likewise.
1118 * builtins.c (expand_builtin_fork_or_exec): Likewise.
1119 * targhooks.c (default_external_stack_protect_fail): Likewise.
1121 2006-03-21 Richard Sandiford <richard@codesourcery.com>
1123 * config/mips/predicates.md (const_call_insn_operand): Allow direct
1124 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
1125 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
1126 Use TARGET_OLDABI instead of !TARGET_NEWABI.
1127 (loadgp): Use mips_current_loadgp_style.
1128 (loadgp_noshared): New pattern.
1129 (sibcall_internal): Use MIPS_CALL.
1130 (sibcall_value_internal): Likewise.
1131 (sibcall_value_multiple_internal): Likewise.
1132 (call_internal): Likewise.
1133 (call_value_internal): Likewise.
1134 (call_value_multiple_internal): Likewise.
1135 (call_split): Use MIPS_CALL and add an 'S' constraint.
1136 (call_value_split): Likewise.
1137 (call_value_multiple_split): Likewise.
1138 * config/mips/mips.opt (-mabicalls): Tweak docstring.
1139 (-mshared): New option.
1140 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
1141 (mips_current_loadgp_style): Declare.
1142 * config/mips/mips.c (mips_classify_symbol): Avoid using
1143 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
1144 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
1145 TARGET_ABSOLUTE_ABICALLS.
1146 (override_options): Adjust comments. Improve the warning that is
1147 issued when -mabicalls and -G are used together.
1148 (mips_file_start): Remove comment.
1149 (mips_current_loadgp_style): New function.
1150 (mips_gnu_local_gp): New variable.
1151 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1153 (mips_output_function_prologue): Use mips_current_laodgp_style.
1154 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1155 the cprestore instruction.
1156 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1157 live for TARGET_ABSOLUTE_ABICALLS.
1158 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1159 (ASM_SPEC): Pass down -mshared and -mno-shared.
1160 (MIPS_CALL): New macro.
1161 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1163 * doc/invoke.texi (-mabicalls): Update documentation.
1164 (-mshared): Document.
1166 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1168 * config/ia64/unwind-hpux.c: New file.
1169 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1171 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1174 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1176 2006-03-21 Jeff Law <law@redhat.com>
1178 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1179 type conversions of a VR_VARYING source to a wider type.
1181 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1183 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1184 tm_file on Solaris 10 and later.
1185 (sparc64-*-solaris2*): Likewise.
1186 (sparc-*-solaris2*): Likewise.
1187 * config/sol26.h: Rename to config/sol2-6.h.
1188 * config/sol2-10.h: New file.
1190 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1193 * tree-ssa-pre.c (create_component_ref_by_pieces):
1196 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1199 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1200 return it immediately.
1202 2006-03-21 Michael Matz <matz@suse.de>
1204 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1206 (remove_arc, add_arc): Update num_out_arcs member.
1207 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1209 (cache_presence): New function.
1210 (compare_states_for_equiv): New function.
1211 (state_is_differed): Don't take number of outargs, adjust callers.
1212 Use new invariant for speeding up.
1213 (init_equiv_class): Create initial classes based on sorted
1215 (partition_equiv_class): Don't track out_arcs_num.
1216 (evaluate_equiv_classes): Call cache_presence on all states and
1219 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1221 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1222 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1223 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1224 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1226 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1227 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1228 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1229 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1230 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1232 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1233 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1234 (REGNO_REG_CLASS): ARGP is in PREGS.
1235 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1237 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1238 to deal with those addresses.
1239 * addresses.h: New file.
1240 * caller-save.c: Include "addresses.h".
1241 (init_caller_save): Use new base_reg_class function.
1242 * rtl-factoring.c: Include "addresses.h".
1243 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1244 * recog.c: Include "addresses.h".
1245 (preprocess_constraints): Use new base_reg_class function.
1246 * regrename.c: Include "addresses.h".
1247 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1248 functions. Keep track of a new var INDEX_CODE to compute valid
1250 (replace_oldest_value_addr): Likewise.
1251 (replace_oldest_value_mem): Use base_reg_class.
1252 * reload.c: Include "addresses.h".
1253 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1254 (find_reloads): Use new base_reg_class function.
1255 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1256 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1257 all callers and prototype changed.
1258 * reload1.c: Include "addresses.h".
1259 (maybe_fix_stack_asms): Use base_reg_class.
1260 * regclass.c: Include "addresses.h".
1261 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1262 (init_reg_autoinc): Use new base_reg_class function.
1263 (record_reg_classes): Likewise.
1264 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1265 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1266 Use new args to compute necessary class.
1268 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1269 regrename.o, rtl-factoring.o): Update dependencies.
1270 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1271 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1272 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1273 REG_OK_FOR_INDEX_P): Delete documentation.
1275 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1277 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1278 from V7 to V9 for Solaris 7 and above.
1280 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1282 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1283 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1284 argument pointers may not alias any other storage.
1285 * common.opt: Define option -fargument-noalias-anything.
1286 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1287 alias semantics is specified by flag_argument_noalias > 2.
1289 2006-03-20 Jeff Law <law@redhat.com>
1291 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1292 (pass_phi_only_cprop): Declare.
1293 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1295 * tree-ssa-dom.c (degenerate_phi_result): New function.
1296 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1297 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1298 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1299 (eliminate_degenerate_phis): Likewise.
1300 (pass_phi_only_cprop): New pass descriptor.
1301 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1302 support code. Callers updated.
1303 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1304 (store_copy_prop): Likewise.
1305 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1307 2006-03-20 Jason Merrill <jason@redhat.com>
1310 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1311 (push_visibility, pop_visibility): Likewise.
1312 * c-pragma.h: Declare them.
1314 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1316 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1318 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1319 parameter and use get_ebb_head_tail.
1320 (sh_md_init_global): Adjust uses of find_regmode_weight.
1322 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1324 * function.h (struct function) <x_tail_recursion_reentry>:
1325 Rename to x_stack_check_probe_note.
1326 (tail_recursion_reentry): Rename to stack_check_probe_note.
1327 * function.c: Replace tail_recursion_reentry with
1328 stack_check_probe_note everywhere.
1329 (expand_function_start): Only emit a note for
1330 stack_check_probe_note with -fstack-protect.
1331 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1333 * emit-rtl.c (remove_unnecessary_notes): Remove.
1334 (pass_remove_unnecessary_notes): Remove.
1335 * rtl.h (remove_unnecessary_notes): Remove prototype.
1336 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1337 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1338 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1340 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1343 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1344 (valid_in_set): Handle ARRAY_REF.
1345 Change "if min_variant or VH" to asserts.
1346 (create_component_ref_by_pieces): Handle ARRAY_REF.
1347 (create_expression_by_pieces): Likewise.
1348 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1350 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1352 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1353 is operand of switch, not str[0].
1355 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1357 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1358 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1360 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1362 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1363 end of insn_extra_address_constraint declaration.
1365 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1367 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1368 (no-sum-in-toc): Same.
1369 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1371 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1372 NO_FP_IN_TOC for -fPIC instead of mask.
1374 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1375 (BOOT_LDFLAGS): Delete.
1377 * config/rs6000/t-aix52: Same.
1379 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1380 (stmsi[345678]_power): New.
1382 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1384 * config/ia64/ia64.opt: Add empty line to end of file.
1386 2006-03-17 Richard Guenther <rguenther@suse.de>
1389 * builtins.c (get_pointer_alignment): For component style references
1390 adjust alignment to the component type alignment. Make sure
1391 to adjust alignment for component access of constants.
1393 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1395 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1398 2006-03-17 Paul Brook <paul@codesourcery.com>
1400 * doc/install.texi: Docuemnt --with-mode.
1401 * config.gcc: Add --with-mode for arm*-*-*.
1402 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1404 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1406 * sh.c (max_labelno_before_reorg): New variable.
1407 (sh_reorg): Initialize it.
1408 (find_barrier): Check max_labelno_before_reorg before using
1409 label_to_alignment. Take length of explicit alignment insns
1410 into account. When seeing a UNSPECV_CONST_END, return it.
1412 * sh.c (fixup_mova): Set mode of affected label to QImode.
1413 (untangle_mova): New function.
1414 (find_barrier): Use it. Check mode of label before decrementing
1416 (sh_reorg): Likewise.
1417 Set mode of all insns back to VOIDmode.
1419 * sh.c (MOVA_LABELREF): New macro.
1420 (mova_p, fixup_mova, sh_reorg): Use it.
1421 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1422 ADDR_DIFF_VEC matches mova.
1424 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1426 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1427 with ATTRIBUTE_UNUSED.
1429 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1431 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1432 pointer, instead of assuming it is possible to derive the
1433 correct args size from a call insn.
1435 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1437 * rtl.h (CONST_INT_P): Define.
1438 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1439 instead of GET_CODE(x) == CONST_INT.
1440 (vax_rtx_costs): Likewise.
1441 (vax_output_int_move): Likewise.
1442 (vax_output_int_add): Likewise.
1443 (legitimate_constant_address_p): Likewise.
1444 (index_term_p): Likewise.
1445 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1446 * config/vax/vax.md (and<mode>3): Likewise.
1447 (ashrsi3): Likewise.
1449 (movstricthi): Likewise.
1450 (movstrictqi): Likewise.
1451 (rotrsi3): Likewise.
1452 (five unnamed insns): Likewise.
1454 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1456 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1457 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1458 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1459 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1460 Pass to ASM_OUTPUT_DWARF_OFFSET.
1461 * dwarf2out.c (debug_frame_section): New.
1462 (output_call_frame_info): Use debug_frame_section. Pass it to
1463 dw2_asm_output_offset.
1464 (output_die): Pass appropriate section to dw2_asm_output_offset.
1465 (output_compilation_unit_header): Likewise.
1466 (output_pubnames): Likewise.
1467 (output_aranges): Likewise.
1468 (enum dw_val_class): Break dw_val_class_lbl_offset into
1469 dw_val_class_lineptr and dw_val_class_macptr.
1470 (add_AT_lbl_offset): Delete.
1471 (add_AT_lineptr): New.
1472 (add_AT_macptr): New.
1473 (AT_lbl): Expect a lineptr or macptr.
1474 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1475 (attr_checksum): Likewise.
1476 (same_dw_val_p): Likewise.
1477 (size_of_die): Likewise.
1478 (value_format): Likewise.
1479 (output_die): Likewise.
1480 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1482 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1483 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1484 * config/darwin-protos.h (darwin_file_start): New.
1485 (darwin_asm_output_dwarf_offset): New.
1486 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1487 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1489 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1490 if not EH section; simplify.
1491 (darwin_file_start): New.
1492 (darwin_asm_output_dwarf_offset): New.
1493 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1495 (DEBUG_INFO_SECTION): Likewise.
1496 (DEBUG_ABBREV_SECTION): Likewise.
1497 (DEBUG_ARANGES_SECTION): Likewise.
1498 (DEBUG_MACINFO_SECTION): Likewise.
1499 (DEBUG_LINE_SECTION): Likewise.
1500 (DEBUG_LOC_SECTION): Likewise.
1501 (DEBUG_PUBNAMES_SECTION): Likewise.
1502 (DEBUG_STR_SECTION): Likewise.
1503 (DEBUG_RANGES_SECTION): Likewise.
1504 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1505 (ASM_OUTPUT_DWARF_OFFSET): New.
1507 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1509 * config.gcc (tm_defines): Always add to previous value rather
1512 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1514 * config/mips/predicates.md (splittable_const_int_operand): New,
1515 split from move_operand.
1516 (splittable_symbolic_operand): New.
1517 (move_operand): Add commentary. Use splittable_const_int_operand.
1518 Inline mips_atomic_symbolic_constant_p.
1519 * config/mips/mips.md: Add combine splitters for handling moves
1520 of splittable_const_int_operands and splittable_symbolic_operands.
1521 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1522 (mips_split_symbol): Declare.
1523 (mips_move_integer): Declare.
1524 * config/mips/mips.c (mips_split_p): Make global.
1525 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1526 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1527 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1528 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1529 (mips_offset_within_object_p): Handle block symbols.
1530 (mips_atomic_symbolic_constant_p): Delete.
1531 (mips_cannot_force_const_mem): Return false for constants that
1532 mips_legitimize_move can handle.
1533 (mips_use_blocks_for_constant_p): New function.
1534 (mips_split_symbol): Make global.
1535 (mips_move_integer): Likewise. Add a temporary register argument.
1536 (mips_legitimize_const_move): Use splittable_const_int_operand and
1537 splittable_symbolic_operand.
1538 (mips_use_anchors_for_symbol_p): New function.
1539 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1540 (mips_split_p): Declare.
1542 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1544 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1545 (mips*-*-linux*): Likewise.
1547 2006-03-16 Roger Sayle <roger@eyesopen.com>
1548 Daniel Speyer <dspeyer@wam.umd.edu>
1551 * tree-dump.c (dump_real): New function.
1552 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1553 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1554 (tree-dump.o): Add $(REAL_H) to the dependencies.
1556 2006-03-16 Roger Sayle <roger@eyesopen.com>
1559 * real.c (real_from_string): If the mantissa is zero, don't bother
1560 parsing the exponent as the result should always be zero.
1562 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1564 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1566 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1568 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1569 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1570 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1571 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1572 ia64_sched_finish_global): New static functions to implement
1573 hooks from gcc_target.sched.
1574 (spec_check_no, max_uid, pending_data_specs): New static variables.
1575 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1576 ia64_spec_check_src_p): New static functions.
1577 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1578 (TARGET_SCHED_ADJUST_COST): Removed.
1579 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1580 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
1581 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1582 TARGET_SCHED_GEN_CHECK,
1583 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1584 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
1585 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
1586 Fixed to handle speculation checks.
1587 (rtx_needs_barrier): Fixed to handle speculative loads and
1589 (ia64_variable_issue): Added code to count speculative loads and their
1591 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
1593 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
1595 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
1597 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
1598 (ia64_reorg): Reset stops_p to NULL after it is freed.
1599 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
1600 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
1601 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
1603 (data_speculative, control_speculative, check_load): New attributes.
1604 (mov<mode>_advanced, mov<mode>_speculative,
1605 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
1606 zero_extend<mode>di2_speculative,
1607 zero_extend<mode>di2_speculative_advanced): New patterns for
1608 data and control speculative loads.
1609 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
1611 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
1612 New pattern for data and control speculation checks.
1613 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
1614 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1615 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1616 Auxiliary definitions for the patterns.
1617 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1618 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
1620 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
1622 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
1623 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
1624 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
1625 New resource constraints.
1626 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
1628 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
1629 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
1630 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1631 msched-in-control-spec, msched-ldc, msched-control-ldc,
1632 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1633 msched-prefer-non-control-spec-insns,
1634 msched-count-spec-in-critical-path): New flags to tune speculative
1636 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
1637 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1638 msched-in-control-spec, msched-ldc, msched-control-ldc,
1639 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1640 msched-prefer-non-control-spec-insns,
1641 msched-count-spec-in-critical-path): Document new flags.
1643 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1645 * target.h (struct spec_info_def): New opaque declaration.
1646 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
1647 speculate_insn, needs_block_p, gen_check,
1648 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
1649 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1650 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
1651 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
1652 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1653 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
1655 (TARGET_SCHED): Use new macros.
1656 * rtl.h (copy_DEPS_LIST_list): New prototype.
1657 * sched-int.h (struct sched_info): Change signature of new_ready field,
1658 adjust all initializations. New fields: add_remove_insn,
1659 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
1660 region_head_or_leaf_p.
1661 (struct spec_info_def): New structure declaration.
1662 (spec_info_t): New typedef.
1663 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1664 recovery_block, orig_pat.
1665 (glat_start, glat_end): New variables declaraions.
1666 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1668 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1669 DETACH_LIFE_INFO, USE_GLAT.
1670 (enum SPEC_SCHED_FLAGS): New enumeration.
1671 (NOTE_NOTE_BB_P): New macro.
1672 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1673 attach_life_info, debug_spec_status, check_reg_live): New functions.
1674 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1675 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1677 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1678 * ddg.c (get_block_head_tail): Adjust all uses.
1679 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1680 (sms_sched_info): Initialize new fields.
1681 (contributes_to_priority): Removed.
1682 * haifa-sched.c (params.h): New include.
1683 (get_block_head_tail): Adjust all uses.
1684 (ISSUE_POINTS): New macro.
1685 (glat_start, glat_end): New global variables.
1686 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1687 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1688 old_last_basic_block, before_recovery, current_sched_info_var,
1689 rgn_n_insns, luid): New static variables.
1690 (insn_cost1): New function. Move logic from insn_cost to here.
1691 (find_insn_reg_weight1): New function. Move logic from
1692 find_insn_reg_weight to here.
1693 (reemit_notes, move_insn, max_issue): Change signature.
1694 (move_insn1): Removed.
1695 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1696 extend_bb): New static functions to support extension of scheduler's
1698 (generate_recovery_code, process_insn_depend_be_in_spec,
1699 begin_speculative_block, add_to_speculative_block,
1700 init_before_recovery, create_recovery_block, create_check_block_twin,
1701 fix_recovery_deps): New static functions to support
1702 generation of recovery code.
1703 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1704 restore_bb_notes, move_block_after_check, move_succs): New static
1705 functions to support ebb scheduling.
1706 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1707 functions to support handling of register live information.
1708 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1709 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1710 add_jump_dependencies): New static functions.
1711 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1712 consistancy checking.
1713 (debug_spec_status): New function to call from debugger.
1714 (priority): Added code to handle speculation checks.
1715 (rank_for_schedule): Added code to distinguish speculative instructions.
1716 (schedule_insn): Added code to handle speculation checks.
1717 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1718 Fixed to handle ebbs.
1719 (move_insn): Added code to handle ebb scheduling.
1720 (max_issue): Added code to use ISSUE_POINTS of instructions.
1721 (choose_ready): Added code to choose between speculative and
1722 non-speculative instructions.
1723 (schedule_block): Added code to handle ebb scheduling and scheduling of
1724 speculative instructions.
1725 (sched_init): Initialize new variables.
1726 (sched_finish): Free new variables. Print statistics.
1727 (try_ready): Added code to handle speculative instructions.
1728 * lists.c (copy_DEPS_LIST_list): New function.
1729 * sched-deps.c (extend_dependency_caches): New function. Move logic
1730 from create_dependency_caches to here.
1731 (get_dep_weak, ds_merge): Make global.
1732 * genattr.c (main): Code to output prototype for
1733 dfa_clear_single_insn_cache.
1734 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
1735 (output_dfa_clean_insn_cache_func): Code to output
1736 dfa_clear_single_insn_cache function.
1737 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
1739 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
1741 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
1742 New static variables.
1743 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
1744 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
1746 (ebb_sched_info): Initialize new fields.
1747 (get_block_head_tail): Adjust all uses.
1748 (compute_jump_reg_dependencies): Fixed to use glat_start.
1749 (schedule_ebb): Code to remove unreachable last block.
1750 (schedule_ebbs): Added code to update register live information.
1751 * sched-rgn.c (region_sched_info): Initialize new fields.
1752 (get_block_head_tail): Adjust all uses.
1753 (last_was_jump): Removed. Adjust users.
1754 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
1755 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
1756 Implement new hooks.
1757 (check_dead_notes1): New static function.
1758 (struct region): New fields: dont_calc_deps, has_real_ebb.
1759 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
1760 (BB_TO_BLOCK): Fixed to handle EBBs.
1761 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
1762 (ebb_head): New static variable.
1763 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
1764 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
1766 (compute_dom_prob_ps): New assertion.
1767 (check_live_1, update_live_1): Fixed to work with glat_start instead of
1768 global_live_at_start.
1769 (init_ready_list): New assertions.
1770 (can_schedule_ready_p): Split update code to begin_schedule_ready.
1771 (new_ready): Add support for BEGIN_CONTROL speculation.
1772 (schedule_insns): Fixed code that updates register live information
1774 (schedule_region): Fixed to handle EBBs.
1775 (init_regions): Use extend_regions and check_dead_notes1.
1776 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
1777 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
1778 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
1779 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1780 TARGET_SCHED_GEN_CHECK,
1781 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1782 TARGET_SCHED_SET_SCHED_FLAGS): Document.
1783 * doc/invoke.texi (max-sched-insn-conflict-delay,
1784 sched-spec-prob-cutoff): Document.
1786 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1788 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
1789 inter_tick, queue_index.
1790 (struct sched_info): Change signature of init_ready_list field.
1791 Adjust all initializations.
1792 (RESOLVED_DEPS): New access macro.
1793 (ready_add): Remove prototype.
1794 (try_ready): Add prototype.
1795 * sched-rgn.c (init_ready_list): Use try_ready.
1796 (schedule_region): Initialize
1797 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
1798 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
1799 (init_ready_list): Use try_ready.
1800 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
1801 * lists.c (remove_list_elem): Remove `static'.
1802 (remove_free_INSN_LIST_elem): New function.
1803 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
1804 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
1805 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
1807 (readyp): New variable.
1808 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
1809 change_queue_index, resolve_dep): New static functions.
1810 (try_ready): New function. Adjust callers in sched-rgn.c and
1811 sched-ebb.c to use it instead of ready_add.
1812 (clock_var): Move at the begining of file.
1813 (rank_for_schedule): Fix typo.
1814 (queue_insn): Add assertion. Handle QUEUE_INDEX.
1815 (ready_lastpos): Enforce assertion.
1816 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
1818 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
1819 (schedule_insn): Rewrite to use try_ready and resolve_dep.
1820 (queue_to_ready): Use free_INSN_LIST_list.
1821 (early_queue_to_ready): Fix typo.
1822 (schedule_block): Init readyp. Move init_ready_list call after the
1823 initialization of clock_var. Fix error in rejecting insn by
1824 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
1825 that previously corrected INSN_TICKs. Add code for handling
1827 (set_priorities): Fix typo.
1828 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
1829 Clarify comment and code that keeps current_sched_info->next_tail
1832 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1834 * sched-rgn.c (extend_rgns): New static function.
1835 (find_rgns): Use it.
1836 (gather_region_statistics, print_region_statistics): New static
1838 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
1839 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1841 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1842 Andrey Belevantsev <abel@ispras.ru>
1844 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
1845 * lists.c (unused_deps_list): New variable.
1846 (free_list): Add assertions to verify the proper distinguishing
1847 between INSN_LISTs and DEPS_LISTs.
1848 (find_list_elem, remove_list_elem, remove_list_node): New static
1850 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
1851 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
1852 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
1853 (alloc_INSN_LIST): Assert that the list we're working on is indeed
1855 (free_INSN_LIST_node): Likewise.
1856 * modulo-sched.c (current_sched_info): Initialize flags field.
1857 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
1858 * rtl.def (DEPS_LIST): Define.
1859 * rtl.h: Declare new functions from lists.c.
1860 * sched-deps.c (spec_dependency_cache): New static variable.
1861 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
1862 (add_dependence): Change return type to void. Move the logic to ...
1863 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
1864 (delete_all_dependences): Add comment about forward_dependency_cache.
1865 Handle spec_dependency_cache. Handle DEPS_LISTs.
1866 (fixup_sched_groups): Clarify the change of priority of output
1867 and anti dependencies.
1868 (sched_analyze_2): Adjust add_dependence calls to create data
1869 speculative dependence.
1870 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
1871 Adjust all callers. Handle DEPS_LISTS.
1872 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
1873 presence of speculation.
1874 (init_dependency_caches, free_dependency_caches):
1875 Handle spec_dependency_cache.
1876 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
1877 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
1878 New static functions.
1879 (add_or_update_back_dep, add_or_update_back_forw_dep,
1880 add_back_forw_dep, delete_back_forw_dep): New functions.
1881 * sched-int.h (ds_t, dw_t): New typedefs.
1882 (struct sched_info): Add new field flags.
1883 (struct haifa_insn_data): Add new bitfield has_internal_dep.
1884 Prototype new sched-deps.c functions.
1885 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
1886 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
1887 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
1888 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
1889 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
1890 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
1892 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
1894 * sched-rgn.c (current_sched_info): Initialize flags field.
1895 (schedule_insns): Initialize current_sched_info before the sched_init
1897 * sched-ebb.c (current_sched_info): Initialize flags field.
1898 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
1899 Call add_or_update_back_dep instead of add_dependence.
1900 Create control speculative dependencies.
1901 (schedule_insns): Initialize current_sched_info before the sched_init
1904 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
1906 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
1908 (sh_fallback_frame_state): Likewise.
1910 2006-03-15 Geoffrey Keating <geoffk@apple.com>
1912 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
1913 Do switch on default_use_cxa_atexit.
1914 (powerpc*-*-darwin*): Build crt2.o on powerpc.
1915 * config/darwin-crt3.o: New.
1916 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
1917 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
1918 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
1920 * config/rs6000/t-darwin: Move crt2.o building to here.
1921 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
1922 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
1925 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1927 * config/vax/vax.c (nonindexed_address_p): Change logical negation
1928 from '! xxx' to '!xxx' for coding-style conformance.
1929 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
1930 (EXTRA_CONSTRAINT): Likewise.
1931 * config/vax/vax.md (four unnamed insns): Likewise.
1933 2006-03-15 Paul Brook <paul@codesourcery.com>
1935 * config/arm/arm.c (minipool_pad): New.
1936 (add_minipool_forward_ref): Include pool alignment padding in address
1938 (push_minipool_fix): Set minipool_pad.
1939 (minipool_pad): Ditto.
1941 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1943 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
1944 instead of GET_CODE() == MEM and REG_P() instead of
1946 (print_operand_address): Likewise.
1947 (vax_address_cost): Likewise.
1948 (vax_rtx_costs): Likewise.
1949 (vax_notice_update_cc): Likewise.
1950 (vax_output_int_add): Likewise.
1951 (INDEX_REGISTER_P): Likewise.
1952 (BASE_REGISTER_P): Likewise.
1953 (nonindexed_address_p): Likewise.
1954 (vax_mode_dependent_address_p): Likewise.
1955 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
1956 (PRINT_OPERAND): Likewise.
1957 * config/vax/vax.md (ashlsi3): Likewise.
1958 (ashlsi3): Likewise.
1959 (some more unnamed insns): Likewise.
1961 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
1963 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
1964 iterator-style macro.
1965 (mark_control_dependent_edges_necessary): Update the use of
1966 EXECUTE_IF_CONTROL_DEPENDENT.
1968 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
1970 * config/sh/predicates.md (cache_address_operand): Special.
1971 (ua_address_operand): Likewise.
1973 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
1975 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
1977 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
1979 2006-03-15 Andreas Schwab <schwab@suse.de>
1981 * gensupport.c (identify_predicable_attribute): Don't free p_false
1982 when it is still in use.
1984 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1986 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
1987 the default setting here.
1989 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
1991 * tree-pass.h (pass_cfg): Remove.
1992 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
1993 * passes.c (pass_cfg): Don't run it.
1995 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
1997 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
1998 * reg-stack.c (stack_regs_mentioned_data): Change the type to
2000 (stack_regs_mentioned): Update the uses of
2001 stack_regs_mentioned_data. Don't access the array beyond its
2003 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
2004 Don't include gt-reg-stack.h.
2006 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
2007 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
2009 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
2012 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
2015 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2017 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
2019 2006-03-14 Richard Guenther <rguenther@suse.de>
2021 PR tree-optimization/26672
2022 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
2025 2006-03-14 Richard Guenther <rguenther@suse.de>
2027 PR tree-optimization/26667
2028 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
2029 node for the callees. Always allow inlining if it will shrink
2032 2006-03-14 Richard Guenther <rguenther@suse.de>
2035 * builtins.c (get_pointer_alignment): Prefer alignment
2036 information from decls over that from types.
2038 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
2041 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
2043 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
2045 * config/rs6000/rs6000.opt (mdlmzb): New option.
2046 (msched-prolog, msched-epilog): Use Var not Mask.
2047 * doc/invoke.texi (-mdlmzb): Document.
2048 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
2050 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
2051 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
2053 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
2055 PR rtl-optimization/25739
2056 * bt-load.c (augment_live_range): Free tos pointer.
2058 * gensupport.c (identify_predicable_attribute): Free
2060 * gcov.c (create_file_names): Free name pointer.
2062 2006-03-13 Roger Sayle <roger@eyesopen.com>
2065 * stmt.c (emit_case_nodes): Handle the case where the index is a
2066 CONST_INT, where the comparison mode is specified by the index type.
2068 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2070 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
2073 2006-03-13 Richard Sandiford <richard@codesourcery.com>
2075 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
2076 (*branch_fp_inverted): Likewise.
2078 2006-03-13 Jakub Jelinek <jakub@redhat.com>
2081 * omp-low.c (expand_omp_for_generic): Mark istart0
2082 and iend0 as addressable.
2084 2006-03-13 Jie Zhang <jie.zhang@analog.com>
2086 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
2088 2006-03-13 Jeff Law <law@redhat.com>
2090 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
2091 virtual operands are interesting.
2092 (vrp_visit_stmt): Corresponding changes.
2094 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
2096 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
2098 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
2099 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
2100 * config/bfin/crti.S: Use it instead of __PIC__.
2101 * config/bfin/crtn.S: Likewise.
2103 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
2104 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
2106 Lose 'G' modifier for call operand.
2107 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
2108 recognize 'G' modifier.
2110 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
2113 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
2114 * stmt.c (expand_case): Likewise.
2116 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2118 PR rtl-optimization/26254
2119 * loop-invariant.c (seq_insns_valid_p): New function.
2120 (move_invariant_reg): Only emit new code if it is valid.
2122 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2124 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
2126 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
2127 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
2128 (commit_one_edge_insertion): Do not look for loop notes.
2130 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2132 * jump.c (follow_jumps): Do not check for loop notes. Move check for
2133 flag_test_coverage out of loop.
2135 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2137 * final.c (shorten_branches): Remove outdated comment, and turn
2138 the if branch that guards it to continue.
2140 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
2142 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
2143 * cfgloop.h (struct loop): Remove unused fields.
2145 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2147 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2148 (-dL, -fdump-rtl-loop2): Update the dump file names
2150 * doc/invoke.texi: Update dump file names.
2152 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2154 * predict.c (estimate_probability): Remove.
2155 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2156 * basic-block.h (estimate_probability): Remove prototype.
2157 * passes.c (finish_optimization_passes): Dump branch prediction or
2158 profiling heuristics to the .profile tree dump.
2159 (init_optimization_passes): Unqueue pass_branch_prob.
2161 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2163 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2165 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2166 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2168 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2170 * function.h (frame_offset_overflow): Declare.
2171 * function.c (frame_offset_overflow): New function.
2172 (assign_stack_local_1): Call it to detect that the offset overflows.
2173 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2175 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2177 * config/sh/sh.c: Include alloc-pool.h.
2178 (label_ref_list_pool): New alloc pool.
2179 (label_ref_list_t): New type for lists of labels.
2180 (struct pool_node): Make wend a label_ref_list_t.
2181 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2183 (dump_table): Likewise.
2184 (sh_reorg): Set up the alloc pool before using add_constant and
2185 dump_table, and destroy it when finishing.
2187 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2189 * config/mips/mips.c: Remove redundant comment.
2191 2006-03-10 Jason Merrill <jason@redhat.com>
2194 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2195 the target was declared 'register'.
2197 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2199 * genpreds.c (write_insn_constraint_len): Change definition of
2200 insn_constraint_len to return size_t to match the declaration.
2202 2006-03-10 DJ Delorie <dj@redhat.com>
2204 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2206 (m32c_expand_insv): Fix test for an AND mask.
2208 2006-03-10 Richard Guenther <rguenther@suse.de>
2211 * builtins.c (get_pointer_alignment): Handle component
2212 references for field alignment.
2214 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2216 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2217 when building with libgloss.
2218 (sh*elf): Implement --without-fp option.
2219 (sh64-superh-linux*): Don't multilib.
2221 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2223 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2225 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2227 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2228 Set it when one of the replacement functions returned true.
2229 Return TODO_cleanup_cfg if cfgchanged is true.
2230 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2232 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2234 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2235 instead of gen_lowpart.
2237 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2239 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2241 (mips_output_order_conditional_branch): Declare.
2242 * config/mips/mips.h (MIPS_BRANCH): New macro.
2243 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2244 for the comparison. Use gen_condjump.
2245 (mips_output_conditional_branch): Rework interface to take the
2246 asm templates for a direct branch and the inverse of a direct branch.
2247 (mips_output_order_conditional_branch): New function.
2248 (mips_builtin_branch_and_move): New function.
2249 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2250 branch condition. Use gen_single_cc as the condition for
2251 __builtin_mips_upper_* or __builtin_mips_lower_*.
2252 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2253 Use VOIDmode for the branch condition.
2254 * config/mips/predicates.md (order_operator): New predicate.
2255 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2256 (branch_fp): Rename to...
2257 (*branch_fp): ...this. Remove mode from comparison operator.
2258 Use new mips_output_conditional_branch interface.
2259 (branch_fp_inverted): Rename to...
2260 (*branch_fp_inverted): ...this and update as for *branch_fp.
2261 (*branch_zero<mode>): Rename to...
2262 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2263 Use mips_output_order_conditional_branch. Only accept ordered
2265 (*branch_zero<mode>_inverted): Rename to...
2266 (*branch_order<mode>_inverted): ...this and update as for
2267 *branch_order<mode>.
2268 (*branch_equality<mode>): Accept zero as the second operand to
2269 the equality operator. Use the new mips_output_conditional_branch
2271 (*branch_equality<mode>_inverted): Likewise.
2272 (condjump): New expander.
2273 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2275 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2276 (bc1any2t, bc1any2f): Likewise.
2277 (single_cc): New expander.
2278 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2280 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2282 * doc/md.texi: Update documentation of MIPS constraints.
2283 * config/mips/constraints.md: New file.
2284 * config/mips/mips.md: Include it.
2285 * config/mips/mips.c (mips_char_to_class): Delete.
2286 (override_options): Don't initialize mips_char_to_class.
2287 * config/mips/mips.h (mips_char_to_class): Delete.
2288 (REG_CLASS_FROM_LETTER): Delete.
2289 (CONST_OK_FOR_LETTER_P): Delete.
2290 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2291 (EXTRA_CONSTRAINT_Y): Delete.
2292 (EXTRA_CONSTRAINT_STR): Delete.
2293 (CONSTRAINT_LEN): Delete.
2294 (EXTRA_MEMORY_CONSTRAINT): Delete.
2296 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2298 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2299 original fn's eh regions.
2301 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2303 * fold-const.c (build_range_check): Make sure to use a valid type to
2304 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2307 (range_predecessor): New static function.
2308 (range_successor): Likewise.
2309 (merge_ranges): Use them to compute predecessors and successors of
2312 2006-03-09 Roger Sayle <roger@eyesopen.com>
2315 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2316 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2318 2006-03-08 DJ Delorie <dj@redhat.com>
2320 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2321 (addpsi3): Expand to include memory operands. Remove
2322 reload-specific splits.
2323 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2324 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2325 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2326 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2327 (shift1_qi, shift1_hi, insv): New.
2328 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2329 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2330 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2332 * config/m32c/m32c-protos.h: Update as needed.
2333 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2334 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2335 Fail for unrecognized R* constraints.
2336 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2337 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2338 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2340 (m32c_init_libfuncs): New.
2341 (m32c_legitimate_address_p): Add debug wrapper.
2342 (m32c_rtx_costs): New.
2343 (m32c_address_cost): New.
2344 (conversions): Add 'B' prefix.
2345 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2346 operands, or word regnames for QI operands. 'B' prints bit
2348 (m32c_expand_setmemhi): New.
2349 (m32c_expand_movmemhi): New.
2350 (m32c_expand_movstr): New.
2351 (m32c_expand_cmpstr): New.
2352 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2353 (m32c_expand_neg_mulpsi3): Handle non-ints.
2354 (m32c_cmp_flg_0): New.
2355 (m32c_expand_movcc): New.
2356 (m32c_expand_insv): New.
2357 (m32c_scc_pattern): New.
2358 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2359 a0/a1 out of SIregs.
2360 (STORE_FLAG_VALUE): New.
2361 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2364 * config/m32c/mov.md: Make constraints more liberal.
2365 (zero_extendqihi2): Optimize r0/r1 case.
2366 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2367 * config/m32c/predicates.md (m32c_any_operand): New.
2368 (m32c_nonimmediate_operand): New.
2369 (m32c_hl_operand): New.
2370 (m32c_r3_operand): New.
2373 (memsym_operand): New.
2374 (memimmed_operand): New.
2375 (a_qi_operand): New.
2376 (m32c_eqne_operator): New.
2377 (m32c_1bit8_operand): New.
2378 (m32c_1bit16_operand): New.
2379 (m32c_1mask8_operand): New.
2380 (m32c_1mask16_operand): New.
2381 * config/m32c/blkmov.md: New file.
2382 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2384 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2386 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2387 unsigned to fix signed/unsigned comparison issue in
2388 DWARF2_FRAME_REG_OUT.
2389 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2390 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2392 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2393 of ptr into the ENABLE_CHECKING section.
2395 2006-03-08 Jeff Law <law@redhat.com>
2397 * tree-vrp.c (infer_value_range): Only count pointer uses
2398 and dereferences if -fdelete-null-pointer-checks is enabled.
2400 * tree-vrp.c (find_assert_locations): Infer value ranges for
2401 single use pointers, but do not create ASSERT_EXPRs for them.
2402 When a non-null range is inferred for a pointer, backwards
2403 propagate that range to other equivalent pointers through the
2406 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2409 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2410 language hook targets.
2411 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2412 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2413 if language hook targets were missing.
2415 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2417 * tree-ssa-opfinalize.h: Removed.
2418 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2420 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2421 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2422 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2423 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2424 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2425 finalize_ssa_v_must_def_ops): New.
2427 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2429 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2432 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2434 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2436 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2437 addresses with offsets; reorganize.
2439 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2440 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2441 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2443 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2446 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2448 2006-03-08 Ben Elliston <bje@au.ibm.com>
2450 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2452 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2455 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2458 2006-03-07 Richard Guenther <rguenther@suse.de>
2460 PR tree-optimization/26587
2461 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2463 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2465 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2467 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2469 * hooks.c (hook_bool_mode_rtx_true): New function.
2470 * hooks.h (hook_bool_mode_rtx_true): Declare.
2471 * toplev.c (compile_file): Call output_shared_constant_pool.
2472 * varasm.c (shared_constant_pool): New variable.
2473 (assemble_start_function, assemble_end_function): Remove arguments
2474 from call to output_constant_pool.
2475 (create_constant_pool): New function, split out from...
2476 (init_varasm_status): ...here.
2477 (force_const_mem): Choose between the shared and per-function constant
2478 pools. Set current_function_uses_const_pool when reusing old entries
2479 as well as when creating new ones.
2480 (mark_constant): Ignore data argument.
2481 (mark_constants): Remove pool argument.
2482 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2483 to decide whether the function uses a constant pool.
2484 (output_constant_pool_contents): New function, split out from...
2485 (output_constant_pool): ...here.
2486 (output_shared_constant_pool): New function.
2487 (init_varasm_once): Initialize shared_constant_pool.
2488 * output.h (output_constant_pool): Delete.
2489 (output_shared_constant_pool): Declare.
2490 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2491 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2493 2006-03-06 Nick Clifton <nickc@redhat.com>
2495 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2496 flag_strength_reduce.
2498 2006-03-06 Ben Elliston <bje@au.ibm.com>
2500 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2501 x86_64-*-linux* configurations.
2503 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2504 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2506 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2508 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2510 * basic-block.h: Remove the extern for
2511 rediscover_loops_after_threading.
2513 * cfgloop.c (cancel_loop): Make it static.
2514 * cfgloop.h: Remove the prototype for cancel_loop.
2516 * flow.c (recompute_reg_usage): Make it static.
2517 * rtl.h: Remove the prototype for recompute_reg_usage.
2519 * function.c (use_return_register): Make it static.
2520 * function.h: Remove the prototype.
2522 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2524 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2526 * recog.h: Remove the prototype for
2527 validate_change_maybe_volatile.
2529 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2531 * rtlanal.c (replace_reg): Remove.
2532 * rtl.h: Remove the prototype for replace_reg.
2534 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2536 * regclass.c (reg_scan_update): Remove.
2537 (reg_scan_mark_refs): Remove the last argument.
2538 * rtl.h: Remove the prototype for reg_scan_update.
2540 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2542 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2543 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2544 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2545 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2546 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2547 loop-invariant.c, omp-low.c, opts.c, passes.c,
2548 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2549 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2550 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2551 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2552 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2553 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2555 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2557 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2558 * dwarf2out.h: Remove the prototype for
2559 dwarf2out_add_library_unit_info.
2561 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2563 * tree.c (add_var_to_bind_expr): Remove.
2564 * tree.h: Remove the prototype for add_var_to_bind_expr.
2566 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2568 * regclass.c (n_non_fixed_regs): Remove.
2569 (init_reg_sets_1, globalize_reg): Remove all uses of
2571 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2573 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2575 * rtlanal.c (insns_safe_to_move_p): Remove.
2576 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2578 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2580 * expmed.c (expand_mult_add): Remove.
2581 * expr.h: Remove the prototype for expand_mult_add.
2583 2006-03-04 Jakub Jelinek <jakub@redhat.com>
2585 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
2586 and REG_SAVED_VAL_EXP constants.
2587 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
2588 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2589 Handle regs stored by value.
2590 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
2591 (execute_cfa_program): Handle DW_CFA_val_offset,
2592 DW_CFA_val_offset_sf and DW_CFA_val_expression.
2593 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
2594 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
2595 (uw_install_context_1): Handle target regs stored by value.
2597 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
2599 * tree-sra.c (tree_sra): Return todoflags;
2600 (generate_one_element): Set TODO_update_smt_usage if needed.
2601 (pass_sra): Remove TODO_update_smt_usage.
2602 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
2604 (tree_ssa_forward_propagate_single_use_vars): Return
2605 TODO_update_smt_usage if we need to update SMT usage.
2606 (pass_forwprop): Remove TODO_update_smt_usage.
2608 2006-03-03 Diego Novillo <dnovillo@redhat.com>
2610 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
2611 (correct_use_link): Remove reference to get_stmt_operands.
2612 (update_stmt_operands): Likewise.
2613 (get_modify_expr_operands): New function factored out of
2614 parse_ssa_operands and get_expr_operands.
2615 Try to create V_MUST_DEFs for LHS by default.
2616 (get_expr_operands) <case MODIFY_EXPR>: Call
2617 get_modify_expr_operands.
2618 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
2619 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
2620 (parse_ssa_operands) <case MODIFY_EXPR>: Call
2621 get_modify_expr_operands.
2623 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
2625 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
2626 * tree-flow.h: Remove the prototype for
2627 referenced_var_lookup_if_exists.
2629 2006-03-03 Steve Ellcey <sje@cup.hp.com>
2631 PR rtl-optimization/26345
2633 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2635 2006-03-03 Roger Sayle <roger@eyesopen.com>
2637 PR tree-optimization/26524
2638 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
2639 fold_convert to create a constant of the appropriate type.
2641 2006-03-03 Richard Sandiford <richard@codesourcery.com>
2643 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2644 SYMBOL_REF_IN_BLOCK_P.
2645 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
2646 of SYMBOL_FLAG_IN_BLOCK.
2647 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
2648 instead of SYMBOL_REF_IN_BLOCK_P.
2649 * explow.c (use_anchored_address): Likewise.
2650 * rtl.c (rtx_size): Likewise.
2651 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
2652 instead of SYMBOL_FLAG_IN_BLOCK.
2653 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2654 SYMBOL_REF_IN_BLOCK_P.
2655 (assemble_variable): Likewise.
2656 (output_constant_def_contents): Likewise.
2657 (output_constant_pool): Likewise.
2658 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
2659 instead of SYMBOL_FLAG_IN_BLOCK.
2660 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2661 SYMBOL_REF_IN_BLOCK_P.
2662 (SYMBOL_REF_BLOCK): Likewise.
2663 (SYMBOL_REF_OFFSET): Likewise.
2664 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2665 SYMBOL_REF_IN_BLOCK_P.
2666 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2667 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2668 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2669 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2671 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2673 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2675 2006-03-02 Roger Sayle <roger@eyesopen.com>
2677 * simplify-rtx.c (simplify_unary_operation): When simplifying
2678 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2679 that we perform the right shift in the appropriate mode, and
2680 then extend or truncate the result to requested mode.
2682 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2684 * gengtype.c (main): Handle double_int type.
2685 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2686 * double-int.c: New file.
2687 * double-int.h: New file.
2688 * system.h: Include doubleint.h.
2689 * Makefile.in (SYSTEM_H): Include double-int.h.
2690 (double-int.o): Add.
2692 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2695 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2698 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2700 * tree-vrp.c (remove_range_assertions): Do not update statements
2703 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2705 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2707 * gcse.c (rest_of_handle_gcse): Ditto.
2708 * except.c (gate_handle_eh): Ditto.
2709 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2710 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2712 2006-03-02 Eric Christopher <echristo@apple.com>
2714 * config/i386/i386.c (machopic_output_stub): Add indirection to
2717 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2721 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2723 Sun Niagara specific optimizations.
2724 * config.gcc: Recognize niagara as target.
2725 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
2726 (TARGET_CPU_niagara): Define.
2727 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
2728 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
2729 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2730 (ASM_CPU_SPEC): Likewise.
2731 (PROCESSOR_NIAGARA): New enum entry.
2732 (REGISTER_MOVE_COST): Handle Niagara.
2733 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
2734 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
2735 (sparc_override_options): Recognize "niagara", set appropriate
2736 default MASK_* values for it, and align functions to 32-bytes
2737 by default just like ULTRASPARC/ULTRASPARC3.
2738 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
2739 (sparc64_initialize_trampoline): Likewise.
2740 (sparc_use_sched_lookahead): Use zero for niagara.
2741 (sparc_issue_rate): Use one for niagara.
2742 * config/sparc/niagara.md: New file.
2743 * config/sparc/sparc.md: Include it.
2744 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
2745 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
2746 when default cpu is niagara.
2747 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2748 (ASM_CPU_SPEC): Likewise.
2749 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
2750 when default cpu is niagara.
2751 (ASM_CPU_SPEC): Handle -mcpu=niagara.
2752 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
2753 just like v9/ultrasparc/ultrasparc3.
2754 * doc/invoke.texi: Add documentation for "niagara" and improve
2755 existing documentation for ultrasparc variants.
2757 2006-03-02 Diego Novillo <dnovillo@redhat.com>
2759 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
2761 2006-03-02 Richard Sandiford <richard@codesourcery.com>
2763 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
2764 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
2765 and say that only one is needed.
2766 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
2767 * target.h (have_switchable_bss_sections): New hook.
2768 * explow.c (use_anchored_address): Check that the symbol is in a block.
2769 * varasm.c (tls_comm_section, comm_section, lcomm_section)
2770 (bss_noswitch_section): New variables.
2771 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
2772 (get_noswitch_section): New function.
2773 (get_block_for_section): Allow SECT to be null.
2774 (unlikely_text_section_p): Use SECTION_STYLE.
2775 (bss_initializer_p): New function.
2776 (get_variable_section): Move earlier in file. Take a new argument,
2777 prefer_noswitch_p. Move bss checks from assemble_variable to here.
2778 Return one of the new *_sections in such cases.
2779 (get_block_for_decl): New function, extracting some logic from
2780 use_blocks_for_decl_p.
2781 (change_symbol_section): Remove in favor of...
2782 (change_symbol_block): ...this new function.
2783 (use_blocks_for_decl_p): Remove checks now performed by
2785 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
2786 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
2787 (emit_local, emit_bss, emit_common): ...these new functions.
2788 Return true if the alignment was honored.
2789 (emit_tls_common): New function.
2790 (asm_emit_uninitialised): Delete.
2791 (assemble_variable_noswitch): New function, split out from...
2792 (assemble_variable): ...here. Don't make decisions about common
2793 variables here. Globalize all public decls that go into non-common
2794 sections. Check whether SYMBOL_REF_BLOCK is null.
2795 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
2796 (output_constant_pool): Likewise.
2797 (init_varasm_once): Initialize the new section variables.
2798 (have_global_bss_p): New function.
2799 (categorize_decl_for_section): Use bss_initializer_p.
2800 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
2801 (place_block_symbol): Assert that the symbol must be in a block.
2802 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
2803 (TARGET_INITIALIZER): Include it.
2804 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
2805 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
2806 (SECTION_MACH_DEP): Bump by two.
2807 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
2808 (unnamed_section): Mention SECTION_UNNAMED in comment.
2809 (named_section): Likewise SECTION_NAMED.
2810 (noswitch_section_callback): New type.
2811 (noswitch_section): New structure.
2812 (section): Add a noswitch_section alternative.
2813 (SECTION_STYLE): New macro.
2814 (tls_comm_section, comm_section, lcomm_section): Declare.
2815 (bss_noswitch_section, have_global_bss_p): Declare.
2816 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2817 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2819 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2820 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2823 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
2825 * gcc/tree-vrp.c (execute_vrp): Return value.
2826 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
2827 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
2828 * gcc/tree-complex.c (tree_lower_complex): Ditto.
2829 (tree_lower_complex_O0): Ditto.
2830 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
2831 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
2832 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
2833 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
2834 (execute_tail_calls): Ditto.
2835 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2836 * gcc/tree.h (init_function_for_compilation): Ditto.
2837 * gcc/ipa-cp.c (ipcp_driver): Ditto.
2838 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
2839 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
2840 * gcc/final.c (compute_alignments): Ditto.
2841 (rest_of_handle_final): Ditto.
2842 (rest_of_handle_shorten_branches): Ditto.
2843 (rest_of_clean_state): Ditto.
2844 * gcc/omp-low.c (execute_expand_omp): Ditto.
2845 (execute_lower_omp): Ditto.
2846 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
2847 * gcc/ipa-reference.c (static_execute): Ditto.
2848 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
2849 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
2850 (rest_of_handle_machine_reorg): Ditto.
2851 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
2852 * gcc/flow.c (recompute_reg_usage): Ditto.
2853 (rest_of_handle_remove_death_notes): Ditto.
2854 (rest_of_handle_life): Ditto.
2855 (rest_of_handle_flow2): Ditto.
2856 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
2857 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
2858 (do_ssa_store_ccp): Ditto.
2859 (execute_fold_all_builtins): Ditto.
2860 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
2861 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
2862 * gcc/ipa-pure-const.c (static_execute): Ditto.
2863 * gcc/cse.c (rest_of_handle_cse): Ditto.
2864 (rest_of_handle_cse2): Ditto.
2865 * gcc/web.c (rest_of_handle_web): Ditto.
2866 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
2867 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
2868 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2869 * gcc/tree-nrv.c (tree_nrv): Ditto.
2870 (execute_return_slot_opt): Ditto.
2871 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
2872 (create_structure_vars): Ditto.
2873 * gcc/loop-init.c (rtl_loop_init): Ditto.
2874 (rtl_loop_done): Ditto.
2875 (rtl_move_loop_invariants): Ditto.
2876 (rtl_unswitch): Ditto.
2877 (rtl_unroll_and_peel_loops): Ditto.
2878 (rtl_doloop): Ditto.
2879 * gcc/gimple-low.c (lower_function_body): Ditto.
2880 (mark_used_blocks): Ditto.
2881 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
2882 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
2883 (cgraph_early_inlining): Ditto.
2884 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
2885 * gcc/jump.c (cleanup_barriers): Ditto.
2886 (purge_line_number_notes): Ditto.
2887 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
2888 (rest_of_handle_if_after_reload): Ditto.
2889 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
2890 (tree_ssa_loop_im): Ditto.
2891 (tree_ssa_loop_unswitch): Ditto.
2892 (tree_vectorize): Ditto.
2893 (tree_linear_transform): Ditto.
2894 (tree_ssa_loop_ivcanon): Ditto.
2895 (tree_ssa_empty_loop): Ditto.
2896 (tree_ssa_loop_bounds): Ditto.
2897 (tree_complete_unroll): Ditto.
2898 (tree_ssa_loop_prefetch): Ditto.
2899 (tree_ssa_loop_ivopts): Ditto.
2900 (tree_ssa_loop_done): Ditto.
2901 * gcc/predict.c (tree_estimate_probability): Ditto.
2902 * gcc/recog.c (split_all_insns_noflow): Ditto.
2903 (rest_of_handle_peephole2): Ditto.
2904 (rest_of_handle_split_all_insns): Ditto.
2905 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
2906 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
2907 (rest_of_handle_stack_adjustments): Ditto.
2908 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
2909 * gcc/function.c (instantiate_virtual_regs): Ditto.
2910 (init_function_for_compilation): Ditto.
2911 (rest_of_handle_check_leaf_regs): Ditto.
2912 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
2913 (rest_of_handle_gcse): Ditto.
2914 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
2915 * gcc/alias.c (rest_of_handle_cfg): Ditto.
2916 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
2917 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
2918 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
2919 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
2920 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
2921 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
2922 * gcc/except.c (set_nothrow_function_flags): Ditto.
2923 (convert_to_eh_region_ranges): Ditto.
2924 (rest_of_handle_eh): Ditto.
2925 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
2926 (remove_unnecessary_notes): Ditto.
2927 * gcc/except.h (set_nothrow_function_flags): Ditto.
2928 (convert_to_eh_region_ranges): Ditto.
2929 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
2930 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
2931 * gcc/tree-ssa-pre.c (do_pre): Ditto.
2932 (execute_fre): Ditto.
2933 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
2934 (rest_of_handle_jump2): Ditto.
2935 * gcc/tree-sra.c (tree_sra): Ditto.
2936 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
2937 (execute_mudflap_function_decls): Ditto.
2938 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
2939 (do_store_copy_prop): Ditto.
2940 * gcc/ipa-prop.h (ipcp_driver): Ditto.
2941 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
2942 * gcc/tree-ssa-forwprop.c
2943 (tree_ssa_forward_propagate_single_use_vars): Ditto.
2944 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
2945 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
2946 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
2947 (execute_late_warn_uninitialized): Ditto.
2948 * gcc/rtl.h (cleanup_barriers): Ditto.
2949 (split_all_insns_noflow): Ditto.
2950 (purge_line_number_notes): Ditto.
2951 (unshare_all_rtl): Ditto.
2952 (remove_unnecessary_notes): Ditto.
2953 (recompute_reg_usage): Ditto.
2954 (variable_tracking_main): Ditto.
2955 * gcc/integrate.c (emit_initial_value_sets): Ditto.
2956 * gcc/integrate.h (emit_initial_value_sets): Ditto.
2957 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
2958 (execute_free_cfg_annotations): Ditto.
2959 (execute_fixup_cfg): Ditto.
2960 (execute_cleanup_cfg_pre_ipa): Ditto.
2961 (execute_cleanup_cfg_post_optimizing): Ditto.
2962 (execute_init_datastructures): Ditto.
2963 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
2964 * gcc/combine.c (rest_of_handle_combine): Ditto.
2965 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
2966 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
2967 (rest_of_handle_reorder_blocks): Ditto.
2968 (rest_of_handle_partition_blocks): Ditto.
2969 * gcc/var-tracking.c (variable_tracking_main): Ditto.
2970 * gcc/tree-profile.c (tree_profiling): Ditto.
2971 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
2972 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
2973 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
2974 (rest_of_handle_sched2): Ditto.
2975 * gcc/basic-block.h (free_bb_insn): Ditto.
2976 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
2977 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
2978 (remove_useless_stmts): Ditto.
2979 (split_critical_edges): Ditto.
2980 (execute_warn_function_return): Ditto.
2981 (execute_warn_function_noreturn): Ditto.
2982 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
2983 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
2984 * gcc/passes.c (execute_one_pass): Run additional
2985 todos returned by execute function.
2986 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
2989 2006-03-02 Richard Guenther <rguenther@suse.de>
2991 * tree-ssa-alias.c (find_used_portions): Consider taking
2992 the address as making the variable not write-only.
2994 2006-03-02 Nick Clifton <nickc@redhat.com>
2996 * config.gcc (default_use_cxa_atexit): Extend the description of
2997 this configure variable. Set its default value to "yes" for
2998 Linux, NetBSD and ELF targets on the assumption that they will
2999 use C libraries with the __cxa_atexit function.
3001 2006-03-02 Ben Elliston <bje@au.ibm.com>
3003 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
3004 parameter as unused to suppress a build warning.
3006 2006-03-02 Ben Elliston <bje@au.ibm.com>
3008 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
3011 2006-03-01 Roger Sayle <roger@eyesopen.com>
3014 * gthr-posix.h (__gthrw2): Define to take three parameters, the
3015 declared name, the weak reference name, and the typeof name.
3016 (__gthrw): Avoid expanding the declared name suffix.
3017 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
3019 2006-03-01 Jakub Jelinek <jakub@redhat.com>
3021 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
3023 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
3024 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
3025 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
3026 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
3027 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
3028 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
3029 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
3030 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
3031 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
3032 DW_DS_leading_separate, DW_DS_trailing_separate): New.
3033 (DW_END_default, DW_END_big, DW_END_little): New.
3034 (DW_END_lo_user, DW_END_hi_user): Define.
3035 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
3036 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
3037 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
3040 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3042 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
3044 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
3046 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
3048 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
3050 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
3051 to 'symbol_mem_tag'.
3053 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
3056 2006-03-01 Roger Sayle <roger@eyesopen.com>
3058 * builtins.c (fold_builtin_copysign): Delete unreachable code.
3060 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3063 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
3064 MACHO_DYNAMIC_NO_PIC_P.
3065 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
3067 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3070 * config/darwin-protos.h (darwin_asm_output_anchor):
3072 * config/darwin-sections.def (cstring_section):
3073 Add SECTION_MERGE to the flags.
3074 (literal4_section): Likewise.
3075 (literal8_section): Likewise.
3076 (objc_selector_refs_section): Likewise.
3077 (objc_cls_refs_section): Likewise.
3078 * config/darwin.c (darwin_asm_output_anchor): New
3080 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3082 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
3084 Fix PR tree-optimization/26443
3085 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
3086 to todo and PROP_tmt_usage to properties_destroyed.
3087 * tree-ssa-ccp.c (pass_ccp): Ditto.
3088 (pass_store_ccp): Ditto.
3089 * tree-ssa-dom.c (pass_dominator): Ditto.
3091 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3093 * tree-ssa-operands.c: Cleanup whitespace.
3094 (get_asm_expr_operands): Move before first invocation.
3095 (get_indirect_ref_operands): Likewise.
3096 (get_tmr_operands): Likewise.
3097 (get_call_expr_operands): Likewise.
3098 (append_def): Likewise.
3099 (append_use): Likewise.
3100 (append_v_may_def): Likewise.
3101 (append_v_must_def): Likewise.
3102 (add_call_clobber_ops): Likewise.
3103 (add_call_read_ops): Likewise.
3104 (add_stmt_operand): Likewise.
3105 (add_virtual_operand): Likewise.
3106 (build_ssa_operands): Likewise.
3108 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
3113 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
3114 with a call expr to ...
3115 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
3117 2006-03-01 Diego Novillo <dnovillo@redhat.com>
3119 * tree-vrp.c (extract_range_from_assert): Remove special
3120 handling for types with super-types.
3122 2006-03-01 Ben Elliston <bje@au.ibm.com>
3124 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
3125 and powerpc64-*-linux* configurations.
3126 * config/t-dfprules: New file.
3128 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
3129 Compile dfp-bit.c from the source directory using -DWIDTH and
3130 $DFP_CFLAGS to control the compilation of that file, rather than
3131 generating width-specific versions in the build directory.
3132 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
3133 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
3135 2006-02-28 Zack Weinberg <zackw@panix.com>
3137 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
3140 2006-02-28 Eric Christopher <echristo@apple.com>
3142 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
3143 Set up IN_LIBGCC definition of TARGET_64BIT.
3144 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
3146 2006-02-28 Roger Sayle <roger@eyesopen.com>
3149 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3150 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3151 cases via the construction of "expr != 0".
3153 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3155 * alias.c (alias_invariant, alias_invariant_size): Remove.
3156 (record_base_value): Remove.
3157 (memrefs_conflict_p): Don't look at alias_invariant.
3158 (end_alias_analysis): Don't free it.
3159 * alias.h (record_base_value): Remove prototype.
3161 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3162 Adam Nemet <anemet@caviumnetworks.com>
3164 * rtl.h (truncated_to_mode): Declare it.
3165 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3166 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3167 (RTL_HOOKS_INITIALIZER): Include it.
3168 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3169 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3170 reg_truncated_to_mode.
3171 * rtlanal.c (truncated_to_mode): Define it.
3172 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3174 2006-02-28 Jeff Law <law@redhat.com>
3176 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3177 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3178 the range allowed by TYPE_PRECISION.
3180 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3182 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3184 PR tree-optimization/26419
3185 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3188 2006-02-27 Zack Weinberg <zackw@panix.com>
3190 * doc/md.texi: Fix typo in previous change.
3192 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3196 2006-02-27 Zack Weinberg <zackw@panix.com>
3198 * rtl.def (define_constraint, define_register_constraint)
3199 (define_memory_constraint, define_address_constraint): New MD forms.
3200 * gensupport.c (process_rtx): Put define_constraint etc on the
3202 * genpreds.c (process_define_predicate): Adjust comment. Validate
3203 the name, and call validate_exp to validate the expression.
3204 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3205 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3206 all callers changed.
3207 (validate_exp, needs_variable, struct constraint_data)
3208 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3209 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3210 (const_dbl_constraints, constraint_max_namelen)
3211 (have_register_constraints, have_memory_constraints)
3212 (have_address_constraints, have_address_constraints)
3213 (have_extra_constraints, have_const_int_constraints)
3214 (have_const_dbl_constraints, mangle, add_constraint)
3215 (process_define_constraint, process_define_register_constraint)
3216 (write_enum_constraint_num, write_lookup_constraint)
3217 (write_insn_constraint_len, write_regclass_for_constraint)
3218 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3219 (write_insn_extra_memory_constraint)
3220 (write_insn_extra_address_constraint)
3221 (write_satisfies_constraint_fns): New.
3222 (write_tm_preds_h): If we have new-style constraint definitions,
3223 prototype the functions generated from them, and define the
3224 old constraint interface (still used by generic code) in terms of
3226 (write_insn_preds_c): If we have new-style constraint definitions,
3227 generate all relevant functions from those definitions.
3228 (main): Handle define_constraint etc.
3229 * genoutput.c (struct constraint_data, indep_constraints)
3230 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3231 (mdep_constraint_len): New data structures and functions, defined
3232 #ifdef USE_MD_CONSTRAINTS.
3233 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3234 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3235 use new logic to validate operand constraints against constraint
3237 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3239 * defaults.h: If none of the old-style constraint macros are
3240 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3241 old-style macros; and poison REG_CLASS_FROM_LETTER,
3242 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3244 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3245 * doc/md.texi: Document new constraint-definition mechanism and the
3246 C interface it provides. Remove references to old mechanism
3247 elsewhere in the document.
3248 (Machine Constraints): Use pathnames relative to gcc directory,
3249 i.e. config/ARCH/FILE. Change i386 section to refer to
3250 config/i386/predicates.md; update that section to match docstrings.
3251 * doc/tm.texi: Move all documentation of the old constraint-
3252 definition macros to their own section, clearly mark as obsolete.
3254 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3255 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3257 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3258 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3259 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3261 (splits and peepholes): Use satisfies_constraint_*.
3262 * config/i386/i386.c (memory_address_length)
3263 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3265 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3267 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3268 scalar operation to be put back into the loop.
3270 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3273 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3274 (extract_cie_info): Handle S flag in augmentation string.
3275 (execute_cfa_program): If context->signal_frame, execute also
3276 fs->pc == context->ra instructions.
3277 (uw_frame_state_for): If context->signal_frame, don't subtract one
3278 from context->ra to find FDE.
3279 (uw_update_context_1): Set context->signal_frame to
3281 (_Unwind_GetIPInfo): New function.
3282 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3283 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3285 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3286 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3287 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3288 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3289 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3290 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3291 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3292 x86_64_fallback_frame_state): Set fs->signal_frame.
3293 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3294 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3295 (frob_update_context): Likewise. Workaround missing S flag in
3296 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3297 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3298 Remove the psw_addr + 1 hack.
3300 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3302 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3303 with aggregates here.
3304 (find_func_aliases): Remove code for &<aggregate> from here.
3306 2006-02-26 Roger Sayle <roger@eyesopen.com>
3308 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3309 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3310 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3313 2006-02-26 Roger Sayle <roger@eyesopen.com>
3316 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3318 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3320 * opts.c (decode_options): Do not handle flag_strength_reduce.
3321 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3322 and OPT_fstrength_reduce.
3323 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3324 flag_prefetch_loop_arrays for being nonzero.
3325 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3327 (fprefetch-loop-arrays-rtl): Removed.
3328 (flag_prefetch_loop_arrays): Do not specify the value.
3330 * doc/passes.texi: Update documentation of loop optimizer
3332 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3333 -frerun-loop-opt): Remove.
3335 2006-02-26 Richard Guenther <rguenther@suse.de>
3337 PR tree-optimization/26421
3338 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3339 in function calls that are ADDR_EXPRs as using the whole structure.
3341 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3343 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3344 * tree-pass.h (pass_loop_optimize): Remove.
3345 * passes.c (pass_loop_optimize): Never run it.
3346 * toplev.c (backend_init): Don't call init_loop.
3347 * opts.c (flag_loop_optimize_set): Remove.
3348 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3349 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3350 the old RTL loop optimizer when profiling enabled.
3351 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3352 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3353 pre-headers for the sake of the old RTL loop optimizer.
3354 * Makefile.in: Remove all references to loop.o.
3356 * doc/invoke.texi: Remove all references to -floop-optimize
3357 and -frerun-loop-opt.
3359 2006-02-26 Zack Weinberg <zackw@panix.com>
3361 * doc/md.texi (Machine Constraints): Refer to all files with paths
3362 relative to gcc directory (i.e. config/CPU/file). Add missing
3363 @table @code ... @end table to M32C subsection.
3365 2006-02-26 Roger Sayle <roger@eyesopen.com>
3367 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3369 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3371 2006-02-26 Roger Sayle <roger@eyesopen.com>
3372 James A. Morrison <phython@gcc.gnu.org>
3375 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3376 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3377 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3378 signedness of the shift operation.
3380 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3382 PR tree-optimization/26359
3383 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3385 2006-02-25 Roger Sayle <roger@eyesopen.com>
3387 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3388 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3389 as X == 0, and some symmetry related transformations.
3390 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3392 2006-02-25 Roger Sayle <roger@eyesopen.com>
3395 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3396 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3397 symmetry related transformations. Fold (X^C1) == C2 as
3400 2006-02-25 Juergen Weigert <jw@suse.de>
3401 Richard Guenther <rguenther@suse.de>
3403 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3405 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3407 * combine.c (gen_lowpart_or_truncate): Call
3408 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3410 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3412 * doc/invoke.texi: Move -fopenmp description to "Options for
3414 Remove reference to -lgomp.
3416 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3418 * doc/install.texi: Require GNU tar version 1.14.
3420 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3422 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3423 * doc/invoke.texi (C++ Dialect Options): Document
3424 -fno-use-cxa-get-exception-ptr.
3425 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3426 * configure: Regenerate.
3427 * c.opt (fuse-cxa-get-exception-ptr): New.
3428 * c-opts.c (c_common_handle_option): Handle
3429 OPT_fuse_cxa_get_exception_ptr.
3430 * c-common.c (flag_use_cxa_atexit): Update documentation.
3431 (flag_use_cxa_get_exception_ptr): New.
3432 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3433 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3435 (C_COMMON_OVERRIDE_OPTIONS): New.
3437 2006-02-24 Roger Sayle <roger@eyesopen.com>
3440 * combine.c (try_combine): Explicitly check whether GET_CODE is
3441 a SET or a CLOBBER, instead on checking that it isn't a USE.
3443 2006-02-24 Roger Sayle <roger@eyesopen.com>
3445 * fold-const.c (fold_comparison): New subroutine of fold_binary
3446 containing transformations common to both the equality and
3447 ordering relational operators, factored out of fold_binary.
3448 (fold_binary): Separate out the equality operators (EQ_EXPR
3449 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3450 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3451 transformations common to both.
3452 (fold_div_compare): Fix latent bugs in the previously unreachable
3453 LT_EXPR and GE_EXPR cases.
3455 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3457 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3458 decl libname for clog to __clog on AIX.
3460 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3462 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3465 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3466 output traceback table for thunks. Localise rs6000_stack_info call.
3468 2006-02-23 Roger Sayle <roger@eyesopen.com>
3469 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3471 * gthr-posix.h (__gthrw): Fix typo in comment.
3473 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3475 * doc/cpp.texi (Character sets): Document that we do support
3476 input files to be in any character set.
3478 2006-02-23 Jeff Law <law@redhat.com>
3480 * tree.h (PHI_ARG_NONZERO): Remove.
3481 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3482 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3483 node to the new node.
3485 PR tree-optimization/26425
3486 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3487 min/max, then assume its varying.
3489 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3491 PR rtl-optimization/26316
3492 * rtlanal.c (enum may_trap_p_flags): New.
3493 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3494 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3495 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3496 (may_trap_after_code_motion_p): New function.
3497 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3498 (find_invariant_insn): Use may_trap_after_code_motion_p.
3499 * rtl.h (may_trap_after_code_motion_p): Declare.
3501 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3503 * emit-rtl.c (immed_double_const): Cleanup.
3505 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3507 Fix PR tree-optimization/26376
3508 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3511 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3514 * gimplify.c (omp_add_variable): Guard variable size decl test with
3515 DECL_SIZE (decl) check.
3517 2006-02-23 Richard Guenther <rguenther@suse.de>
3520 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3521 like aggregate types.
3523 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3525 * configure.ac: Add --with{,out}-long-double-128 configure option.
3526 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3527 * configure: Rebuilt.
3528 * config.in: Rebuilt.
3529 * doc/install.texi (Options specification): Document
3530 --with-long-double-128.
3532 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3533 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3534 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3535 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3537 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3539 * config/s390/s390.c (override_options): Handle
3540 TARGET_DEFAULT_LONG_DOUBLE_128.
3542 * config/alpha/alpha.c (override_options): Handle
3543 TARGET_DEFAULT_LONG_DOUBLE_128.
3545 * config/sparc/sparc.c (sparc_override_options): Handle
3546 TARGET_DEFAULT_LONG_DOUBLE_128.
3548 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3550 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3551 (real-install-headers-tar, real-install-headers-cpio)
3552 (real-install-headers-cp): New targets.
3554 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3556 * tree.h (variable_section): Delete.
3557 * varasm.c (variable_section): Delete.
3559 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3561 * install.texi: Add notes on install.texi2html.
3562 (Building in parallel): Do not use footnotes.
3564 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3567 * doc/install.texi (Configuration): Document --disable-libgomp.
3569 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3571 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3573 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3575 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3576 (vec_extractv2df_0_sse): New.
3578 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3580 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
3581 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
3582 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
3583 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
3584 to the result of the expression.
3585 (def_cfa_1): Adjust.
3586 (frame_pointer_cfa_offset): Rename to...
3587 (frame_pointer_fb_offset): ... this. Adjust all uses.
3588 (convert_cfa_to_loc_list): Rename to...
3589 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
3590 Pass it on to build_cfa_loc.
3591 (compute_frame_pointer_to_cfa_displacement): Rename to...
3592 (compute_frame_pointer_to_fb_displacement): ... this. New
3593 offset parameter. Use it in computation.
3594 (gen_subprogram_die): Compute cfa_fb_offset with the new
3595 macro, and use it to compute the fb loc list and the
3598 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
3600 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
3601 replaced with register_operand.
3602 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
3603 non-DREG is expensive.
3604 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
3605 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
3608 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
3610 * doc/install.texi2html: Use set -e.
3612 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3614 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3615 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3616 * doc/invoke.texi (-fshared-data): Delete.
3617 * common.opt (fshared-data): Delete.
3618 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
3619 (assemble_static_space): Remove #if 0 code.
3620 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3621 (ASM_OUTPUT_SHARED_LOCAL): Poison.
3622 * config/cris/cris.h: Remove FIXME.
3624 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
3626 * doc/sourcebuild.texi (Front End Directory): No more double-colon
3629 2006-02-21 Jakub Jelinek <jakub@redhat.com>
3632 * combine.c (simplify_shift_const_1): Disable nested shifts
3633 optimization for vector shifts.
3635 2006-02-20 Roger Sayle <roger@eyesopen.com>
3637 PR tree-optimization/26361
3638 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
3639 of unsigned integer types.
3641 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
3643 * tree-chrec.c (eq_evolutions_p): New.
3644 * tree-chrec.h (eq_evolutions_p): Declared.
3645 * tree-data-ref.c: Fix formatting.
3646 (datadep_stats, dependence_stats): New.
3648 (print_direction_vector): New.
3649 (dump_data_dependence_relation): Use print_direction_vector.
3650 (object_analysis, create_data_ref): Handle COMPONENT_REF.
3651 (compute_subscript_distance): Static.
3652 (initialize_data_dependence_relation): Static. Get the number
3653 of loops surrounding the references from the callers, and initialize
3654 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
3655 base_object_differ_p analyzers.
3656 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
3657 compute_overlap_steps_for_affine_1_2,
3658 analyze_subscript_affine_affine): Count the classified dependences.
3659 Print a message when a test failed.
3660 (can_use_analyze_subscript_affine_affine): New.
3661 (analyze_siv_subscript): Compute the data dependences on symbolic
3662 scevs that verify can_use_analyze_subscript_affine_affine.
3663 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3664 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3665 Handle symbolic scevs.
3666 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3668 (subscript_dependence_tester): Moved...
3669 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3670 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3671 DDR_SIZE_VECT instead of getting it in parameter.
3672 (subscript_dependence_tester): ... here. Take as a parameter
3673 loop_nest_depth. Call build_classic_dist_vector and
3674 build_classic_dir_vector.
3675 (compute_affine_dependence): Update subscript_dependence_tester
3676 parameters. Update datadep_stats counters. Call
3677 compute_subscript_distance.
3678 (compute_self_dependence): Save the dist and dir vectors. Call
3679 compute_subscript_distance.
3680 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3681 (compute_all_dependences): Reorder parameters as they were before
3682 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3683 compute_subscript_distance. Update the use of
3684 compute_affine_dependence and initialize_data_dependence_relation.
3685 (find_data_references_in_loop): Handle COMPONENT_REF.
3686 (compute_data_dependences_for_loop): Initialize dependence_stats.
3687 Don't call build_classic_dist_vector and build_classic_dir_vector.
3688 Update the parameters of initialize_data_dependence_relation and
3689 compute_all_dependences. Print the statistics from datadep_stats.
3690 (analyze_all_data_dependences): Static. Not used until the pass for
3691 checking the data dependences is contributed.
3692 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3693 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3694 (initialize_data_dependence_relation, compute_affine_dependence,
3695 analyze_all_data_dependences, compute_subscript_distance): Removed.
3696 (print_direction_vector): New.
3697 * lambda.h (gcd): ... here.
3698 (lambda_vector_gcd): Moved here from gcd_vector.
3699 * lambda-code.c (gcd, gcd_vector): Removed.
3700 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3701 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3703 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3705 * ipa-type-escape.c: Tidy some comments and white space.
3706 * tree-ssa-operands.c: Likewise.
3708 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3711 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3712 (dump_decl_name): Do not walk the decl tree chains.
3713 * tree-pass.h (TDF_CHAIN): Remove.
3715 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3717 * Makefile.in (C): Remove
3719 (.PHONY): Remove C and PROTO
3721 2006-02-20 Roger Sayle <roger@eyesopen.com>
3724 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
3725 deprecated CHAR_TYPE tree code.
3727 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3729 * configure.ac (target_list): Add install-info, dvi, html.
3730 * configure: Regenerate.
3732 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
3733 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
3734 treelang/Make-lang.in: Do not use double-colon rules.
3736 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
3738 * tree.h (struct tree_memory_tag): Add is_used_alone member.
3739 (TMT_USED_ALONE): New macro.
3740 * tree-pass.h (PROP_tmt_usage): New property.
3741 (TODO_update_tmt_usage): New todo.
3742 * tree-ssa-alias.c (updating_used_alone): New variable.
3743 (recalculate_used_alone): New function.
3744 (compute_may_aliases): Set updating_used_alone, call
3745 recalculate_used_alone.
3746 * tree-sra.c (pass_sra): Note that this pass destroys
3747 PROP_tmt_usage, and add TODO_update_tmt_usage.
3748 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
3749 * tree-flow.h (updating_used_alone): Prototype.
3750 (recalculate_used_alone): Ditto.
3751 * passes.c (execute_todo): Add code to set updating_used_alone,
3752 and call recalculate.
3753 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
3754 for clobber if used alone, and add assert to verify used_alone
3757 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
3759 * config/s390/s390.c (legitimize_pic_address): Assertions checking
3760 for non tls symbols added.
3761 (legitimize_address): Do nothing for PLUS expressions if one of the
3762 addends is a tls symbol reference.
3764 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3768 * Makefile.in (LDFLAGS): Define from autoconf substitution.
3770 * Makefile.in (BOOTSTRAPPING): New.
3771 (quickstrap): New definition if BOOTSTRAPPING=yes.
3773 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
3774 * configure.ac: Substitute all_selected_languages with the languages
3775 that were configured. For all the other variables except
3776 lang_specs_files, include all the languages in the tree.
3777 * configure: Regenerate.
3779 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
3780 if there is one. Run the commands to run fixincludes in the same
3783 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
3784 * doc/install.texi: Document exact conventions for searching target tools.
3785 Document --with-build-time-tools. Document toplevel bootstrap. Document
3786 something more about building an Ada cross-compiler. Don't list GNU Make
3787 requirements which affect all platforms.
3789 2006-02-19 Roger Sayle <roger@eyesopen.com>
3792 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
3793 only equivalent if the have both the same mode and precision.
3795 2006-02-20 Ben Elliston <bje@au.ibm.com>
3797 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
3799 2006-02-19 Roger Sayle <roger@eyesopen.com>
3800 Steven Bosscher <stevenb.gcc@gmail.com>
3802 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
3803 constant pool references to identify stack mode constants.
3804 * rtlanal.c (constant_pool_constant_p): New predicate to check
3805 whether operand is a floating point constant in the pool.
3806 * rtl.h (constant_pool_constant_p): Prototype here.
3807 * loop.c (scan_loop): Avoid hoisting constants from the constant
3808 pool on STACK_REGS targets.
3809 (load_mems): Likewise.
3810 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
3811 loads into x87 registers expensive in terms of register pressure.
3813 2006-02-19 Roger Sayle <roger@eyesopen.com>
3815 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
3816 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
3818 2006-02-19 David Edelsohn <edelsohn@gnu.org>
3820 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3821 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
3823 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
3825 * doc/invoke.texi: Document -fipa-pta.
3826 * common.opt: Add ipa-pta option.
3827 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
3828 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
3829 (do_ds_constraint): Ditto.
3830 (get_constraint_for): Only add to referenced_vars if
3831 referenced_vars exists.
3832 (insert_into_field_list): Rewrite to do this unsorted.
3833 (insert_into_field_list_sorted): Rename old insert_into_field_list
3835 (create_function_info_for): Use insert_into_field_list_sorted.
3836 (create_variable_info_for): Rewrite so it uses unsorted version,
3837 since the field list is sorted.
3838 (intra_create_variable_infos): Only add to referenced_vars if
3839 referenced_vars exists.
3840 (ipa_pta_execute): Init heapvars, and delete when done.
3841 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
3843 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3845 * doc/install.texi: Add missing `@samp'.
3847 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3849 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
3852 2006-02-18 Mark Wielaard <mark@klomp.org>
3854 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
3855 who added new 4.1 features, bug fixes and integration support.
3857 2006-02-18 David Edelsohn <edelsohn@gnu.org>
3860 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
3863 2006-02-18 Richard Sandiford <richard@codesourcery.com>
3865 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
3866 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
3867 (copy_insn_1): Likewise. Don't copy each field individually.
3869 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
3871 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
3872 * rtl.c (rtx_size): Rename variable to...
3873 (rtx_code_size): ...this.
3874 (rtx_size): New function.
3875 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
3876 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
3878 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
3879 * rtl.h (rtx_code_size): New variable.
3880 (rtx_size): Change from a variable to a function.
3881 (RTX_SIZE): Rename to...
3882 (RTX_CODE_SIZE): ...this.
3885 PR tree-optimization/17106
3886 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
3887 (Anchored Addresses): New section.
3888 * doc/invoke.texi (-fsection-anchors): Document.
3889 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
3890 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
3891 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
3892 * hooks.c (hook_bool_mode_rtx_false): New function.
3893 * hooks.h (hook_bool_mode_rtx_false): Declare.
3894 * gengtype.c (create_optional_field): New function.
3895 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
3896 SYMBOL_REF_IN_BLOCK_P is true.
3897 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
3898 (min_anchor_offset, max_anchor_offset): Likewise.
3899 (use_anchors_for_symbol_p): New hook.
3900 * toplev.c (compile_file): Call output_object_blocks.
3901 (target_supports_section_anchors_p): New function.
3902 (process_options): Check that -fsection-anchors is only used on
3903 targets that support it and when -funit-at-a-time is in effect.
3904 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
3905 if the decl doesn't have one.
3906 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
3907 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
3908 of force_const_mem through use_anchored_address.
3909 (expand_expr_constant): New function.
3910 (expand_expr_addr_expr_1): Call it. Use the same modifier when
3911 calling expand_expr for INDIRECT_REF.
3912 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
3913 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
3914 * expr.h (use_anchored_address): Declare.
3915 * loop-unroll.c: Don't declare rtx vectors here.
3916 * explow.c: Include output.h.
3917 (validize_mem): Call use_anchored_address.
3918 (use_anchored_address): New function.
3919 * common.opt (-fsection-anchors): New switch.
3920 * varasm.c (object_block_htab, anchor_labelno): New variables.
3921 (hash_section, object_block_entry_eq, object_block_entry_hash)
3922 (use_object_blocks_p, get_block_for_section, create_block_symbol)
3923 (use_blocks_for_decl_p, change_symbol_section): New functions.
3924 (get_variable_section): New function, split out from assemble_variable.
3925 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
3926 use_blocks_for_decl_p say so. Use change_symbol_section if the
3927 symbol has already been created.
3928 (assemble_variable_contents): New function, split out from...
3929 (assemble_variable): ...here. Don't output any code for
3930 block symbols; just pass them to place_block_symbol.
3931 Use get_variable_section and assemble_variable_contents.
3932 (get_constant_alignment, get_constant_section, get_constant_size): New
3933 functions, split from output_constant_def_contents.
3934 (build_constant_desc): Create a block symbol if use_object_blocks_p
3935 says so. Or into SYMBOL_REF_FLAGS.
3936 (assemble_constant_contents): New function, split from...
3937 (output_constant_def_contents): ...here. Don't output any code
3938 for block symbols; just pass them to place_section_symbol.
3939 Use get_constant_section and get_constant_alignment.
3940 (force_const_mem): Create a block symbol if use_object_blocks_p and
3941 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
3942 (output_constant_pool_1): Add an explicit alignment argument.
3943 Don't switch sections here.
3944 (output_constant_pool): Adjust call to output_constant_pool_1.
3945 Switch sections here instead. Don't output anything for block symbols;
3946 just pass them to place_block_symbol.
3947 (init_varasm_once): Initialize object_block_htab.
3948 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
3949 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
3950 (place_block_symbol, get_section_anchor, output_object_block)
3951 (output_object_block_htab, output_object_blocks): New functions.
3952 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
3953 (TARGET_ASM_OUT): Include it.
3954 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
3955 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
3956 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
3957 (TARGET_INITIALIZER): Include them.
3958 * rtl.c (rtl_check_failed_block_symbol): New function.
3959 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
3960 (block_symbol, object_block): New structures.
3961 (rtx_def): Add a block_symbol field to the union.
3962 (BLOCK_SYMBOL_CHECK): New macro.
3963 (rtl_check_failed_block_symbol): Declare.
3964 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
3965 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
3966 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
3967 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
3968 * output.h (output_section_symbols): Declare.
3969 (object_block): Name structure.
3970 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
3971 (default_use_anchors_for_symbol_p): Declare.
3972 * Makefile.in (RTL_BASE_H): Add vec.h.
3973 (explow.o): Depend on output.h.
3974 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
3975 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3976 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3977 (rs6000_use_blocks_for_constant_p): New function.
3979 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3981 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
3983 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3986 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
3989 2006-02-18 Diego Novillo <dnovillo@redhat.com>
3991 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
3995 2006-02-18 Jakub Jelinek <jakub@redhat.com>
3998 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
3999 instead of DECL_REGISTER.
4001 2006-02-18 Olivier Hainque <hainque@adacore.com>
4004 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
4006 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
4009 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
4010 * opth-gen.awk: Handle Var and InverseMask together.
4011 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
4012 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
4013 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
4014 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
4016 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4017 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4018 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
4019 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4020 LINUX_DYNAMIC_LINKER): Define.
4021 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
4022 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
4024 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4025 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
4026 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4027 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4028 (TARGET_C99_FUNCTIONS): Don't define.
4029 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
4030 GLIBC_DYNAMIC_LINKER.
4031 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
4032 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
4033 GLIBC_DYNAMIC_LINKER64): Define.
4034 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4035 LINUX_DYNAMIC_LINKER64.
4036 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4037 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4038 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
4039 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4040 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4041 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4042 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
4043 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
4044 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
4045 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
4046 and LINUX_DYNAMIC_LINKER32.
4047 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4048 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4049 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
4050 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4051 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
4053 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
4054 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
4055 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4056 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4057 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4058 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
4059 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
4060 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
4061 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4062 LINUX_DYNAMIC_LINKER): Define.
4063 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
4064 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
4065 GLIBC_DYNAMIC_LINKER64): Define.
4066 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
4067 LINUX_DYNAMIC_LINKER64.
4068 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4069 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4070 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
4071 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
4072 LINUX_DYNAMIC_LINKER): Define.
4073 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4074 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4075 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
4076 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
4077 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
4078 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
4079 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
4080 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
4081 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
4082 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4083 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4084 * doc/invoke.texi (-muclibc): Remove caveat about supported
4087 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
4089 * doc/cpp.texi (__TIMESTAMP__): Document.
4091 2006-02-17 Roger Sayle <roger@eyesopen.com>
4094 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
4095 C is one less than the width of X (and related transformations).
4096 * simplify-rtx.c (simplify_unary_operation_1): Transform
4097 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
4098 depending on STORE_FLAG_VALUE, were C is one less then the
4101 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
4103 Fix PR tree-optimization/26341
4104 * tree-ssa-operands.c (add_virtual_operand): Remove assert
4105 about NAME_MEMORY_TAG's.
4107 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4110 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
4111 with hardware float support, and software float support. Add fcpy
4112 alternative to hardware patterns. Add alternatives to copy between
4113 general and floating-point registers to the 32-bit pattern.
4114 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
4115 secondary reload to load a QI or HI mode constant into a floating
4117 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
4118 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
4120 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
4123 * config/rs6000/darwin.md (load_macho_picbase_si): Add
4125 (load_macho_picbase_di): Likewise.
4127 2006-02-16 Jeff Law <law@redhat.com>
4129 * tree-vrp.c (set_value_range_to_nonnegative): New function.
4130 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
4131 (ssa_name_nonzero_p): Likewise.
4132 (get_value_range): Return NULL if VRP is not running.
4133 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
4134 VRP routines do not discover a range.
4135 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
4136 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
4137 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
4138 (tree_expr_nonnegative_p): Similarly.
4139 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
4140 (restore_nonzero_vars_to_original_value): Remove.
4141 (unsafe_associative_fp_binop): Remove.
4142 (tree_ssa_dominator_optimize): Remove initialization and
4143 finalization of nonzero_vars and nonzero_vars_stack.
4144 (dom_opt_initialize_block): No longer push marker on
4146 (dom_opt_finalize_block): No longer call
4147 restore_nonzero_vars_to_original_value.
4148 (record_equivalences_from_phis): No longer look for
4149 nonzero PHI arguments.
4150 (cprop_into_successor_phis): No longer propagate nonzero
4151 property into PHI arguments. Lose unused argument. Caller
4153 (record_equivalences_from_stmt): No longer record nonzero
4154 values for SSA_NAMEs.
4155 (lookup_avail_expr): No longer use nonzero_vars.
4157 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4158 for sizetype when sizetype is unsigned.
4160 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4162 PR rtl-optimization/25603
4163 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4164 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4165 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4166 with new meaning of SETS.
4168 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4173 * config/linux.opt: New file.
4174 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4175 LINUX_DYNAMIC_LINKER): Define.
4176 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4177 * config.gcc (*-*-linux*): Define extra_options.
4178 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4179 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4180 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4181 GLIBC_DYNAMIC_LINKER.
4182 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4183 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4184 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4185 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4186 * doc/invoke.texi (GNU/Linux Options): New section.
4188 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4190 * config/sparc/sparc.md (setjmp): Rewrite.
4191 (setjmp_32): Delete.
4192 (setjmp_64): Likewise.
4194 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4196 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4199 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4201 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4204 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4206 PR rtl-optimization/26296
4207 * Makefile.in (loop-invariant.c): Add except.h dependency.
4208 * loop-invariant.c: Include except.h.
4209 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4211 2005-02-16 Paul Brook <paul@codesourcery.com>
4213 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4216 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4218 PR rtl-optimization/25636
4219 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4220 when deciding whether an insn is an initializing insn.
4222 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4224 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4225 (tree_code_size): Ditto.
4226 * tree.h (struct tree_memory_tag): Remove parent_var.
4227 (struct tree_struct_field_tag): New.
4230 (union tree_node): Add sft member.
4231 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4233 (create_sft): Add size and offset argument, set SFT_OFFSET and
4235 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4236 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4237 * tree-flow-inline.h (get_subvar_at): Update for
4238 SFT_OFFSET/SFT_SIZE.
4239 (var_can_have_subvars): Ditto.
4240 (overlap_subvar): Ditto.
4241 * print-tree.c (print_node): Print out interesting things for
4243 * tree-flow.h (struct subvar): Remove offset and size members.
4244 * tree-ssa-operands.c (get_expr_operands): Update for
4245 get_indirect_ref_operands changes.
4246 (get_indirect_ref_operands): Call add_virtual_operand instead of
4247 add_stmt_operand. Only recurse on base var if requested.
4248 (access_can_touch_variable): New function.
4249 (add_stmt_operand): Split virtual operand handling into ...
4250 (add_virtual_operand): Here. Add offset, size, and for_clobber
4251 arguments. Prune alias sets.
4252 (add_call_clobber_ops): Call add_virtual_operand.
4254 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4257 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4259 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4260 than TREE_CODE as index into omp_clause_num_ops array.
4262 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4264 PR rtl-optimization/26184
4265 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4267 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4268 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4269 must_precede, must_follow and tobe_scheduled.
4272 * opts.c (common_handle_option): Free new_option pointer.
4273 * df-core.c (df_analyze): Free postorder pointer.
4275 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4277 * Makefile.in: Fix the examples about the use of stamps
4279 2006-02-15 Michael Matz <matz@suse.de>
4283 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4284 influenced by maximum_field_alignment or DECL_PACKED.
4285 (update_alignment_for_field): Ditto.
4286 (place_field): Ditto.
4287 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4290 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4292 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4293 (debug_flow_info): Pass it.
4294 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4295 * bb-reorder.c (reorder_basic_blocks): Likewise.
4296 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4297 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4298 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4299 * gcse.c (gcse_main, bypass_jumps): Likewise.
4300 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4301 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4302 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4303 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4304 * rtl.h (dump_flow_info): Adjust prototype.
4305 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4306 * var-tracking.c (variable_tracking_main): Likewise.
4307 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4308 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4311 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4313 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4316 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4318 PR tree-optimization/26209
4319 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4320 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4322 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4324 2006-02-14 Roger Sayle <roger@eyesopen.com>
4327 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4328 (X,Y) and the corresponding symmetry related transformations.
4329 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4330 (X,Y) and its symmetry related transformations.
4332 2006-02-14 Roger Sayle <roger@eyesopen.com>
4334 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4337 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4339 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4341 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4344 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4345 support COMDAT group.
4346 * configure: Regenerate.
4348 2006-02-14 Roger Sayle <roger@eyesopen.com>
4353 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4355 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4357 Fix PR tree-optimization/26260
4359 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4361 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4362 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4363 * tree-ssa-structalias.c (create_variable_info_for): Use
4364 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4366 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4368 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4370 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4371 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4372 of the ending condition.
4373 * tree-ssa-loop-manip.c: Include params.h.
4374 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4375 tree_unroll_loop): New functions.
4376 * tree-pass.h (pass_loop_prefetch): Declare.
4377 * loop.c (rest_of_handle_loop_optimize): Test for
4378 -fprefetch-loop-arrays-rtl.
4379 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4380 * timevar.def (TV_TREE_PREFETCH): New timevar.
4381 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4382 pass_loop_prefetch): New.
4383 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4384 (cleanup_tree_cfg_loop): Call scev_reset.
4385 * common.opt (fprefetch-loop-arrays-rtl): Add.
4386 * tree-ssa-loop-prefetch.c: New file.
4387 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4388 (new_temp_expr_table): Initialize expr_vars.
4389 (free_temp_expr_table): Cleanup expr_vars.
4390 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4391 expressions from being merged into one.
4392 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4393 (struct tree_niter_desc): Add control, bound and cmp fields.
4394 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4396 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4397 (tree-cfgcleanup.o): Add SCEV_H dependency.
4398 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4399 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4401 2006-02-14 Richard Guenther <rguenther@suse.de>
4403 PR tree-optimization/26258
4404 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4405 in PHI argument processing.
4407 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4409 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4410 new expression in the requested machine mode.
4412 2006-02-13 Roger Sayle <roger@eyesopen.com>
4414 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4415 directly, instead let do_compare_rtx_and_jump handle this for us.
4416 * expr.c (expand_expr_real_1): Likewise.
4417 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4418 before do_jump_by_parts_greater.
4419 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4420 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4422 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4424 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4426 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4428 PR rtl-optimization/26235
4429 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4430 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4433 2006-02-13 Jeff Law <law@redhat.com>
4435 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4438 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4441 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4442 twice if decl is a builtin. When trying again, call get_callee_fndecl
4443 first to verify it is still a builtin.
4445 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4447 * dwarf2out.c (base_type_die): Don't add AT_name here.
4448 (subrange_type_die): Don't add AT_name here.
4449 (modified_type_die): Rearrange code flow. Do add AT_name here.
4451 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4453 PR rtl-optimization/26247
4454 PR rtl-optimization/26248
4455 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4457 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4459 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4460 * config/fixtfdi.c: Likewise.
4461 * config/fixunstfdi.c: Likewise.
4462 * config/floatditf.c: Likewise.
4464 2006-02-13 Roger Sayle <roger@eyesopen.com>
4467 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4468 into (X,C2) if C1 is a subset of the bits of C2. Transform
4469 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4471 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4473 2006-02-13 Josh Conner <jconner@apple.com>
4476 * varasm.c (function_section): Check for section name before
4477 calling select_section on targets that define
4478 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4479 unlikely_text_section instead of hot_function_section if
4480 first_function_block_is_cold.
4482 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4485 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4487 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4489 PR rtl-optimization/26222
4490 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4491 after tree->rtl expansion.
4492 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4493 before passing it to emit_move_insn.
4495 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4497 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4499 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4500 Clarify documentation.
4501 * c-common.h (warn_write_strings): Remove.
4502 * c-common.c (warn_write_strings): Likewise.
4503 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4506 2006-02-12 Roger Sayle <roger@eyesopen.com>
4509 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4510 (do_jump_parts_zero_rtx): New function renamed from
4511 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4512 (do_jump_parts_equality_rtx): New function split out from
4513 do_jump_parts_equality. Old implementation renamed as above.
4514 Call do_jump_parts_zero_rtx if either operand is zero.
4515 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4516 do all of the heavy lifting.
4517 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4518 calling either do_jump_by_parts_greater_rtx or
4519 do_jump_by_parts_equality_rtx.
4520 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4521 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4522 moved to do_compare_rtx_and_jump, call it directly.
4523 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4524 mode argument. Call do_compare_rtx_and_jump.
4525 (emit_case_nodes): Update calls to do_jump_if_equal.
4527 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4529 PR rtl-optimization/26225
4530 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4532 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4534 PR rtl-optimization/26232
4535 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4537 2006-02-11 Jason Merrill <jason@redhat.com>
4540 * tree-inline.c (declare_return_variable): Just don't use the
4541 modify target if it's a gimple complex reg and the return slot
4544 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4546 * doc/contrib.texi: Update my entry.
4548 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4550 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4552 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4554 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4557 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4559 * doc/invoke.texi (-floop-optimize2): Removed.
4560 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4561 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4562 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4563 * common.opt (floop-optimize2): Removed.
4564 (fmove-loop-invariants): Enabled by default.
4566 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4568 * tree-if-conv.c (combine_blocks): Free the result of
4569 get_loop_exit_edges.
4571 2006-02-10 Jeff Law <law@redhat.com>
4573 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4575 PR tree-optimization/26213
4576 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4577 loop trying to follow SSA_NAME_VALUE chains.
4579 2006-02-10 Richard Guenther <rguenther@suse.de>
4581 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
4582 deal with structures that end in implicitly variable sized arrays.
4584 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4586 PR rtl-optimization/24762
4587 * df-scan.c (df_bb_refs_record): Record correct registers defined on
4590 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4592 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4593 (struct ivopts_data): Add regs_used field.
4594 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
4595 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
4596 instead of loop_data->regs_used;
4597 (free_loop_data): Do not free aux fields for loops.
4598 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
4599 and tree_ssa_iv_optimize_finalize.
4601 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
4603 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
4605 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4608 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
4609 computing the effective result type.
4611 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4614 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4615 (tree_overlaps_hard_reg_set): Declare.
4616 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
4617 type and signature to match function type expected by walk_tree.
4618 (tree_overlaps_hard_reg_set): New function.
4619 (decl_conflicts_with_clobbers_p): Rename to:
4620 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
4621 Use tree_overlaps_hard_reg_set. Changed caller.
4622 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
4623 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
4624 * cris.c (cris_md_asm_clobbers): Likewise.
4626 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
4628 * reload1.c (emit_input_reload_insns): Delete code that tries to
4629 inherit using find_equiv_reg.
4631 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
4633 * c-common.h (flag_const_strings): Don't declare.
4634 * c-common.c (flag_const_strings): Remove.
4635 * c.opt (fconst_strings): Remove.
4636 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
4637 <OPT_Wwrite_strings>: Don't set flag_const_strings.
4638 (c_common_init_options): Don't set flag_const_strings.
4639 * doc/invoke.texi (-fno-const-strings): Remove documentation.
4641 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
4643 * arm.md (tlobits_cbranch): New pattern.
4644 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
4645 testing a single bit.
4647 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4650 * tree-ssa-pre.c (create_component_ref_by_pieces):
4651 Handle RETURN_DECL like VAR_DECL.
4653 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4656 * fold-const.c (fold_indirect_ref_1): Fold
4657 "*(foo *)&complexfoo" to "__real__ complexfoo"
4658 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
4660 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4662 * tree-flow-inline.h (var_can_have_subvars):
4663 Volatile variables should not have subvariables.
4665 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4668 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4669 multiplying unsigned values.
4672 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4674 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4676 2006-02-08 Jason Merrill <jason@redhat.com>
4679 * tree.def: Elaborate on difference from MODIFY_EXPR.
4680 * doc/c-tree.texi (INIT_EXPR): Likewise.
4681 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4682 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4683 (gimplify_target_expr): Likewise.
4684 (gimplify_cond_expr): Remove target handling.
4685 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4686 (gimplify_expr): Clobber it here.
4687 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4688 Do return slot optimization if we have an INIT_EXPR.
4691 * tree-inline.c (declare_return_variable): Also clear
4692 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4695 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4698 * gimplify.c (gimplify_one_sizepos): Fix typo.
4700 2006-02-08 Jeff Law <law@redhat.com>
4702 PR tree-optimization/21417
4703 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4704 across a backedge if the control statement at the end of the
4705 block is data dependent on other statements in the same block.
4706 (record_temporary_equivalences_from_stmts): Remove over-conservative
4707 test for threading across backedges.
4709 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4710 control statement, handle all three special cases in the same
4711 manner as they all have the same desired solution. No longer
4712 special case edge flag updating when the post dominator is
4715 2006-02-08 Roger Sayle <roger@eyesopen.com>
4717 * tree.def (CHAR_TYPE): Remove.
4718 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4719 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4720 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4721 (gen_string_type_die): Delete unreachable function.
4723 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
4724 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
4725 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
4726 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
4727 * builtins.c (type_to_class): Likewise.
4728 * fold-const.c (fold_convert, build_range_check,
4729 merge_ranges): Likewise.
4730 * expr.c (count_type_elements): Likewise.
4731 * c-pretty-print.c (pp_c_type_specifier): Likewise.
4732 * stor-layout.c (layout_type): Likewise.
4733 * ipa-type-escape.c (type_to_consider): Likewise.
4734 * gimplify.c (omp_firstprivatize_type_sizes,
4735 gimplify_type_sizes): Likewise.
4736 * explow.c (promote_mode): Likewise.
4737 * tree-sra.c (is_sra_scalar_type): Likewise.
4738 * varasm.c (output_constant): Likewise.
4739 * tree-inline.c (remap_type_1): Likewise.
4740 * convert.c (convert_to_pointer, convert_to_real,
4741 convert_to_integer, convert_to_complex): Likewise.
4743 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
4745 * df-scan.c (df_def_record_1): A set destination may
4746 be a parallel regardless of mode.
4748 2006-02-08 Roger Sayle <roger@eyesopen.com>
4751 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
4752 * config/mips/_tilib.c: Remove.
4753 * config/fixtfdi.c: New libgcc source file.
4754 * config/fixunstfdi.c: New source file.
4755 * config/floatditf.c: New source file.
4756 * config/floatunditf.c: New souce file.
4757 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4758 files above instead of config/mips/_tilib.c.
4759 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4761 2006-02-08 Jeff Law <law@redhat.com>
4763 PR tree-optimization/26169
4764 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
4767 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
4769 * df.h (DF_REG_SIZE): Return the length of the initialized
4772 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
4774 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
4775 __muldf3): Return a correctly signed zero.
4777 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
4779 * passes.c (register_one_dump_file): Accept the current properties
4780 instead of pass number. Adjust call to dump_register. Remove
4782 (register_dump_files): Now a wrapper around...
4783 (register_dump_files_1): ... this one. Do not modify the pass
4785 (next_pass_1): Cosmetic fix.
4786 (execute_todo): Keep second parameter only. Use curr_properties
4787 instead of fetching it from the pass structure. Check and set
4789 (execute_one_pass): Handle TODO_set_props. Use curr_properties
4790 instead of fetching it from the pass structure. Fix calls to
4791 execute_todo. Update curr_properties and initialize .vcg RTL dump
4792 after running the pass. Reset last_verified.
4793 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
4795 (FIRST_AUTO_NUMBERED_DUMP): New.
4796 (dump_register): Remove "num" parameter, assign it within the
4798 (get_dump_file_name): Modify template for dumps.
4799 * tree-dump.h (dump_register): Adjust prototype.
4800 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
4801 (PROP_trees): Add PROP_gimple_lomp.
4802 (TODO_set_props): New.
4803 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
4804 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
4805 * cfgexpand.c (pass_expand): Destroy PROP_trees.
4807 2006-02-08 Jakub Jelinek <jakub@redhat.com>
4809 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
4810 (sparc64-*-linux*): Likewise.
4811 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
4812 * config/sparc/t-linux: New file.
4813 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
4814 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
4815 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
4816 -m32 -mlong-double-128.
4818 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
4819 * config/alpha/t-linux: New file.
4820 * config/alpha/libgcc-alpha-ldbl.ver: New file.
4822 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
4823 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
4824 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
4825 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
4826 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
4827 (CPP_ARCH32_SPEC): Remove.
4829 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
4831 PR tree-optimization/26145
4832 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
4835 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4838 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
4839 >= 240000 when generating code for SOM runtime.
4840 (output_indirect_call): Don't use "b,l" instruction for indirect calls
4841 to $$dyncall when generating code for SOM runtime..
4843 2006-02-07 Dirk Mueller <dmueller@suse.com>
4846 * doc/invoke.texi (-Wsequence-point): Update documentation
4847 that -Wsequence-point is implemented for C++ as well.
4849 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4851 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
4852 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
4853 (LIB_SPEC): Likewise.
4854 * doc/invoke.texi (SPARC options): Document -pthread.
4856 2006-02-07 Geoffrey Keating <geoffk@apple.com>
4858 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
4861 2006-02-07 Roger Sayle <roger@eyesopen.com>
4863 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
4864 Correct comment describing BOOLEAN_TYPE.
4866 2006-02-07 Dirk Mueller <dmueller@suse.com>
4868 * c.opt: C++ frontend supports -Wdiv-by-zero.
4869 * c-opts.c (c_common_handle_option): Remove dead case.
4871 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4873 * configure.ac (TLS assembler check): Do not enable TLS by
4874 default on SPARC/Solaris before version 10.
4875 * configure: Regenerate.
4877 2006-02-07 David Edelsohn <edelsohn@gnu.org>
4879 * doc/invoke.texi (xl-compat): Document conversion and support
4882 2006-02-07 Jeff Law <law@redhat.com>
4884 * tree-vrp.c (find_conditional_asserts): Update comments.
4885 (simplify_stmt_for_jump_threading): New.
4886 (identify_jump_threads, finalize_jump_threads): New.
4887 (vrp_finalize): Call identify_jump_threads.
4888 (execute_vrp): Call finalize_jump_threads.
4889 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
4890 (vrp_element, vrp_data, vrp_element_p): Remove.
4891 (vrp_hash_elt, vrp_variables_stack): Remove.
4892 (vrp_hash, vrp_eq, record_range): Remove.
4893 (simplify_cond_and_lookup_avail_expr): Remove.
4894 (extract_range_from_cond): Remove.
4895 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
4896 (simplify_stmt_for_jump_threading): New.
4897 (dom_thread_across_edge): New wrapper.
4898 (tree_ssa_dominator_optimize): No longer initialize or
4899 finalize any of the VRP datastructures. Remove iteration
4900 step and simplify as a result of removal of iteration step.
4901 (pass_dominator): Perform a cfg cleanup after DOM.
4902 (dom_opt_finalize_block): Use the new common routines
4903 for threading jumps. Simplify stack management slightly.
4904 No longer need to unwind VRP state.
4905 (record_equivalences_from_incoming_edge): No longer record
4907 (eliminate_redundant_computations): No longer call
4908 simplify_cond_and_lookup_avail_expr.
4909 * tree-flow.h (potentially_threadable_block): Prototype.
4910 (thread_across_edge): Likewise.
4911 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
4912 (tree-ssa-threadedge.o): Add dependencies.
4913 * tree-ssa-threadedge.c: New file.
4914 * passes.c (init_optimization_passes): Merge PHIs before
4915 calling VRP. Run VRP again late in the SSA optimization pipeline.
4917 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4919 * df-core.c (df_set_blocks): Do not dereference function pointers.
4920 (df_finish1): Likewise.
4921 (df_hybrid_search_forward): Likewise.
4922 (df_hybrid_search_backward): Likewise.
4923 (df_iterative_dataflow): Likewise.
4924 (df_analyze_problem): Likewise.
4925 (df_compact_blocks): Likewise.
4926 (df_dump): Likewise.
4927 * df-scan.c (df_rescan_blocks): Likewise.
4928 (df_record_entry_block_defs): Likewise.
4930 * genconditions.c (write_conditions): Guard the definition of
4931 'insn_conditions' with the check on GCC version.
4932 (write_writer): Guard the traversal 'insn_conditions' with
4933 the check on GCC version.
4935 2006-02-07 Richard Guenther <rguenther@suse.de>
4939 2006-01-30 Richard Guenther <rguenther@suse.de>
4941 * gimplify.c (gimplify_target_expr): Handle easy cases
4942 without creating a temporary.
4944 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
4946 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
4947 use of float in probability computations. Use edge probabilities
4948 in place of statically computed probabilities.
4949 (min_spec_prob): New static variable.
4950 (schedule_insns): Initialize it.
4951 (GET_SRC_PROB): Removed.
4952 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
4954 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
4957 * config/ia64/unwind-ia64.c: Revert last change.
4958 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
4959 (INCOMING_FRAME_SP_OFFSET): Define.
4961 2006-02-06 Roger Sayle <roger@eyesopen.com>
4963 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
4965 2006-02-07 Ben Elliston <bje@au.ibm.com>
4967 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
4968 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
4969 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
4970 (ix86_return_in_memory): Handle TDmode.
4971 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
4972 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
4974 2006-02-06 Richard Sandiford <richard@codesourcery.com>
4976 * reorg.c (dbr_schedule): Use dump_file instead of file.
4978 2006-02-06 Steve Ellcey <sje@cup.hp.com>
4981 * config/ia64/predicates.md (extr_len_operand): New predicate.
4982 * config/ia64/ia64.md (extv): Tighten constraints.
4984 (*tbit_and_2): Ditto.
4985 (*tbit_and_3): Ditto.
4986 (*tbit_or_2): Ditto.
4987 (*tbit_or_3): Ditto.
4991 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
4994 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
4996 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
4998 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
4999 loop_optimizer_init and loop_optimizer_finalize
5000 * tree-ssa-sink.c (execute_sink_code): Ditto.
5001 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5002 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
5003 tree_ssa_loop_done): Ditto.
5004 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
5005 * sched-ebb.c: Include output.h.
5006 (schedule_ebbs): Do not use dump argument.
5007 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
5008 * loop.c (loop_dump_stream): Removed.
5009 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
5011 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
5012 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
5013 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
5014 loop_iterations, strength_reduce, record_biv, record_giv,
5015 final_giv_value, check_final_value, check_ext_dependent_givs,
5016 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
5017 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
5018 dump_file instead of loop_dump_stream.
5019 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
5021 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
5023 * flow.c (life_analysis, rest_of_handle_life): Ditto.
5024 * haifa-sched.c: Include output.h
5025 (schedule_insns, sched_init): Do not use dump argument.
5026 * mode-switching.c (optimize_mode_switching): Ditto.
5027 * modulo-sched.c (stats_file): Removed.
5028 (print_node_sched_params): Do not call argument dump_file.
5029 (sms_schedule_by_order, loop_canon_p, sms_schedule,
5030 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
5032 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
5034 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
5035 rtl_loop_init, rtl_loop_done): Ditto.
5036 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
5037 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
5039 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
5040 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
5041 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
5042 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
5043 * emit-rtl.c (renumber_insns): Ditto.
5044 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
5045 expand_gimple_basic_block, tree_expand_cfg): Ditto.
5046 * regclass.c (regclass): Ditto.
5047 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
5048 remove_ssa_form, rewrite_out_of_ssa): Ditto.
5049 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
5050 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
5052 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
5053 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
5055 * gcse.c (gcse_file, debug_stderr): Removed.
5056 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
5057 rest_of_handle_gcse): Do not use dump argument.
5058 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
5059 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
5060 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
5061 compute_code_hoist_vbeinout, compute_code_hoist_data,
5062 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
5063 compute_store_table, build_store_vectors, insert_insn_start_bb,
5064 insert_store, remove_reachable_equiv_notes, replace_store_insn,
5065 store_motion): Use dump_file instead of gcse_file.
5066 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
5067 * profile.c (profile_dump_file): Removed.
5068 (branch_prob): Use dump_file instead of profile_dump_file.
5069 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
5071 * tree-ssa-copy.c (dump_copy_of): Ditto.
5072 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
5073 dump file to life_analysis.
5074 * bt-load.c (branch_target_load_optimize): Ditto.
5075 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
5077 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
5078 regclass, dbr_schedule): Declaration changed.
5079 * sched-int.h (sched_init): Declaration changed.
5080 * tree-profile.c (tree_profile_dump_file): Removed.
5081 (tree_profile_hooks): Removed profile_dump_file hook.
5082 * rtl-profile (rtl_profile_dump_file): Removed.
5083 (rtl_profile_hooks): emoved profile_dump_file hook.
5084 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
5086 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
5087 * tree-cfg.c (build_tree_cfg): Ditto.
5088 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
5089 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
5090 Declaration changed.
5091 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
5092 life_analysis and schedule_insns.
5093 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
5095 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
5097 * config/mips/mips.c (mips_reorg): Ditto.
5098 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
5101 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
5103 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5104 (s390_mangle_fundamental_type): New.
5105 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5108 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5109 (alpha_mangle_fundamental_type): New.
5110 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5113 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5115 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
5117 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
5118 (sparc_mangle_fundamental_type): New.
5120 2006-02-06 Jakub Jelinek <jakub@redhat.com>
5122 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
5123 (s390x-*-linux*): Likewise.
5124 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
5125 * config/s390/t-linux: New file.
5127 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5129 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
5130 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
5132 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
5134 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
5135 (ANTIC_SAFE_LOADS): New macro.
5136 (find_or_generate_expression): Add prototype.
5137 (set_contains_value): Allow null set for sake of not always having
5138 to allocate ANTIC_SAFE_LOADS.
5139 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
5140 Allow COMPONENT_REF too.
5141 (valid_in_set): Allow COMPONENT_REF.
5142 Check ANTIC_SAFE_LOADS too.
5143 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
5144 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
5146 (can_PRE_operation): Add COMPONENT_REF.
5147 (create_component_ref_by_pieces): New function.
5148 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5149 (insert_aux): Move AGGREGATE_TYPE_P check here.
5150 (compute_avail): Set bb local stmt uids.
5151 (pass_pre): Use TODO_update_ssa_only_virtuals.
5153 2006-02-06 Ben Elliston <bje@au.ibm.com>
5155 * configure.ac: Unconditionally disable decimal float by default.
5156 * configure: Regenerate.
5158 2006-02-06 Ben Elliston <bje@au.ibm.com>
5160 * read-rtl.c (read_name): Terminate reading on EOF.
5162 2006-02-06 Ben Elliston <bje@au.ibm.com>
5164 * dfp.c (decimal_real_arithmetic): Change second argument type
5165 from int to enum tree_code. Do not always return true, but now
5166 return result of any call to decimal_do helper functions.
5167 * dfp.h (decimal_real_arithmetic): Update prototype.
5169 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5171 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5173 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5176 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5179 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5181 * tree-vrp.c (cfg_loops): Removed.
5182 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5183 Use current_loops instead of cfg_loops. Pass flags to
5184 loop_optimizer_init.
5185 * cfgloopmanip.c (fix_loop_structure): Update only available
5187 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5188 loop_optimizer_init.
5189 * modulo-sched.c (build_loops_structure): Removed.
5190 (sms_schedule): Use loop_optimizer_init.
5191 * loop-init.c (loop_optimizer_init): Use flags to determine
5192 which properties of loops to prepare.
5193 (rtl_loop_init): Pass flags to loop_optimizer_init.
5194 * tree-ssa-sink.c (execute_sink_code): Ditto.
5195 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5196 * tree-ssa-pre.c (init_pre): Ditto.
5197 * cfgloop.h (LOOPS_NORMAL): New.
5198 (loop_optimizer_init): Declaration changed.
5200 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5202 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5203 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5205 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5207 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5209 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5210 * pa/t-pa64: Delete quadlib.c rule.
5211 * pa/x-ada: Revert last change.
5212 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5214 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5216 PR rtl-optimization/26087
5217 * rtlanal.c (canonicalize_condition): Do not cross basic block
5220 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5223 * config/ia64/ia64.c: Include debug.h.
5224 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5225 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5226 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5227 (process_epilogue, process_set, process_for_unwind_directive):
5228 Output unwind info only if requested. Add CFA info if requested.
5229 Add new arguments as needed. Adjust callers.
5230 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5232 (DWARF2_FRAME_INFO): Define to zero.
5233 * config/ia64/unwind-ia64.c: Remove code that compensated for
5234 the CFA offset error fixed above.
5235 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5236 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5237 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5238 -funwind-tables and -fexceptions to enable frame info.
5239 (dwarf2out_frame_init): Define initial CFA even if
5240 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5241 DWARF2_UNWIND_INFO is nonzero, not just defined.
5242 (dwarf2out_frame_finish): Output non-EH call frame info only
5243 if DWARF2_FRAME_INFO is nonzero.
5244 (convert_cfa_to_loc_list,
5245 compute_frame_pointer_to_cfa_displacement): Define even if
5246 unwind info is not supported.
5247 (gen_subprogram_die): Use the above unconditionally. Remove
5248 legacy alternate code.
5249 * toplev.c (compile_file): Compile in call to
5250 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5251 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5253 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5254 Jakub Jelinek <jakub@redhat.com>
5256 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5257 IBM extended float format long double as "g" on powerpc*-linux.
5259 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5262 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5263 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5265 2006-02-03 Jason Merrill <jason@redhat.com>
5268 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5271 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5272 on the return slot if it's an NRV.
5274 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5276 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5277 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5278 rewrite_use): Do not handle USE_OUTER.
5279 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5280 add_iv_outer_candidates, may_replace_final_value,
5281 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5282 (find_interesting_uses_op): Functionality of
5283 find_interesting_uses_outer_or_nonlin moved here.
5284 (find_interesting_uses_outside): Use find_interesting_uses_op.
5286 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5289 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5291 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5292 Ulrich Weigand <uweigand@de.ibm.com>
5295 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5296 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5297 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5298 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5300 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5301 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5302 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5303 Define secondary reloads for TFmode moves.
5304 (constant_modes): Add TFmode.
5305 (NR_C_MODES): Set to 8.
5306 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5308 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5309 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5310 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5311 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5312 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5313 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5314 (FPR mode macro): Add TFmode.
5315 (DSF mode macro): New.
5316 (<de>, <dee> mode attributes): Removed.
5317 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5318 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5319 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5320 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5321 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5322 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5323 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5324 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5325 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5326 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5327 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5328 "*negabs<mode>2", "sqrt<mode>2"):
5329 Changed <de> to <xde>. R constraint replaced by <Rf>.
5330 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5332 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5333 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5334 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5336 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5337 "extenddftf2", "extendsftf2"): New expanders.
5338 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5339 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5340 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5341 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5343 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5344 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5345 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5346 __floatditf): Add a GCC_4.1.0 symbol version tag.
5347 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5350 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5353 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5354 Use targetm.binds_local_p instead of TREE_PUBLIC.
5356 2006-02-02 Roger Sayle <roger@eyesopen.com>
5358 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5359 on INTEGER_TYPEs to indicate that it denotes a character type.
5360 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5361 signed_char_type_node, unsigned_char_type_node and char_type_node.
5362 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5363 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5364 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5366 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5367 Daniel Berlin <dberlin@dberlin.org>
5369 * tree-tailcall.c (arg_needs_copy_p): New function.
5370 (eliminate_tail_call): Use arg_needs_copy_p.
5371 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5372 (add_virtual_phis): New function.
5374 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5376 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5377 #ignore instead of #scratch for %g7 .register directive.
5379 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5381 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5384 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5386 * flow.c (calculate_global_regs_live): Assert that there aren't any
5389 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5391 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5393 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5394 bsi_after_labels iterator.
5395 * tree-if-conv.c (find_phi_replacement_condition,
5396 replace_phi_with_cond_modify_expr): Likewise.
5397 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5398 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5400 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5402 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5404 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5407 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5408 array after growing it.
5410 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5413 * fold-const.c (fold_checksum_tree): Change type of buf.
5415 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5417 * reload.c (push_secondary_reload): Initialize t_icode.
5419 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5421 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5422 -msoft-float -mlong-double-128 only issue a warning, but don't
5423 swich to DFmode long double.
5425 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5427 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5428 has a constant equivalent, iterate over equivalents for arg0,
5429 calling simplify_relational_operation and if there's a result
5430 cheaper than X, apply fold_rtx and return the result.
5432 2006-02-01 Jan Hubicka <jh@suse.cz>
5434 * opts.c (no_unit_at_a_time_default): New global variable.
5435 (decode_options): Use it.
5436 * opts.h (no_unit_at_a_time_default): Declare.
5438 2006-02-01 Paul Brook <paul@codesourcery.com>
5440 * function.c (assign_parm_setup_reg): Use function argument promotion
5442 * expr.c (expand_expr_real_1): Use function argument promotion rules
5445 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5447 * gcc.c (process_command): Change j to 'unsigned int'.
5449 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5452 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5453 Use the corrected index for the character
5454 out of the string constant.
5456 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5458 * mode-switching.c (optimize_mode_switching): Fix size
5459 allocated for bb_info[n_entities].
5461 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5463 * gcc.c (main): Correct type that is allocated for
5464 explicit_link_files.
5466 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5468 * config/s390/s390.c (init_alignment_context): Set
5469 ALIAS_SET_MEMORY_BARRIER on the MEM.
5470 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5472 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5475 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5477 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5480 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5482 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5483 * regrename.c: Ditto.
5484 * tree-ssa-loop-im.c: Ditto.
5485 * tree-dump.c: Ditto.
5486 * tree-complex.c: Ditto.
5487 * genrecog.c: Ditto.
5488 * tree-ssa-threadupdate.c: Ditto.
5490 * java/class.c: Ditto.
5491 * java/jcf-parse.c: Ditto.
5492 * java/resource.c: Ditto.
5493 * java/except.c: Ditto.
5494 * java/jvspec.c: Ditto.
5495 * java/jcf-write.c: Ditto.
5496 * java/jcf-path.c: Ditto.
5497 * java/gjavah.c: Ditto.
5498 * java/zextract.c: Ditto.
5499 * java/jcf-io.c: Ditto.
5500 * java/jcf.h: Ditto.
5501 * java/buffer.c: Ditto.
5502 * java/lang.c: Ditto.
5503 * java/parse-scan.y: Ditto.
5504 * java/lex.c: Ditto.
5505 * java/lex.h: Ditto.
5506 * cfgloopmanip.c: Ditto.
5507 * postreload-gcse.c: Ditto.
5508 * tree-ssa-loop-manip.c: Ditto.
5509 * postreload.c: Ditto.
5510 * tree-ssa-loop-ch.c: Ditto.
5514 * diagnostic.c: Ditto.
5516 * genoutput.c: Ditto.
5518 * cfghooks.c: Ditto.
5519 * cfgloopanal.c: Ditto.
5520 * objc/objc-act.c: Ditto.
5522 * genextract.c: Ditto.
5523 * genautomata.c: Ditto.
5524 * pretty-print.c: Ditto.
5526 * cgraphunit.c: Ditto.
5529 * haifa-sched.c: Ditto.
5530 * dominance.c: Ditto.
5532 * tree-ssa-loop-ivopts.c: Ditto.
5534 * mode-switching.c: Ditto.
5535 * modulo-sched.c: Ditto.
5537 * ipa-pure-const.c: Ditto.
5539 * fix-header.c: Ditto.
5541 * tree-stdarg.c: Ditto.
5542 * ipa-utils.c: Ditto.
5543 * loop-init.c: Ditto.
5544 * ipa-inline.c: Ditto.
5547 * alloc-pool.c: Ditto.
5548 * dwarf2out.c: Ditto.
5550 * genattrtab.c: Ditto.
5551 * tree-ssa-loop-ivcanon.c: Ditto.
5555 * fortran/gfortranspec.c: Ditto.
5557 * local-alloc.c: Ditto.
5558 * langhooks.c: Ditto.
5559 * function.c: Ditto.
5560 * tree-vectorizer.c: Ditto.
5562 * ipa-type-escape.c: Ditto.
5564 * tree-if-conv.c: Ditto.
5567 * tree-data-ref.c: Ditto.
5568 * loop-unroll.c: Ditto.
5569 * treelang/treetree.c: Ditto.
5572 * ggc-common.c: Ditto.
5574 * coverage.c: Ditto.
5576 * tree-cfgcleanup.c: Ditto.
5577 * tree-ssa-pre.c: Ditto.
5578 * cfgcleanup.c: Ditto.
5579 * loop-invariant.c: Ditto.
5581 * ipa-prop.c: Ditto.
5582 * print-tree.c: Ditto.
5583 * conflict.c: Ditto.
5584 * ggc-page.c: Ditto.
5585 * sched-deps.c: Ditto.
5586 * regclass.c: Ditto.
5587 * tree-object-size.c: Ditto.
5589 * bb-reorder.c: Ditto.
5590 * resource.c: Ditto.
5591 * var-tracking.c: Ditto.
5593 * df-problems.c: Ditto.
5594 * reg-stack.c: Ditto.
5597 * sched-rgn.c: Ditto.
5598 * tree-ssa-structalias.c: Ditto.
5599 * tree-ssa-reassoc.c: Ditto.
5600 * config/darwin-c.c: Ditto.
5601 * config/darwin.c: Ditto.
5602 * config/arm/arm.c: Ditto.
5604 * collect2.c: Ditto.
5607 2006-01-31 Nicolas Pitre <nico@cam.org>
5609 * arm.md (smaxsi3): Make aware of smax_m1.
5612 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
5614 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5616 2006-01-31 Richard Guenther <rguenther@suse.de>
5618 * doc/invoke.texi (-msselibm): Document.
5619 * target.h (expand_library_builtin): New target hook.
5620 * builtins.c (expand_builtin): Use expand_library_builtin.
5621 (default_expand_library_builtin): New function.
5622 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5623 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5624 (link_gcc_math_spec): Declare.
5625 (static_specs): Add link_gcc_math_spec.
5626 * expr.h (default_expand_library_builtin): Declare.
5627 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5628 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5629 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5630 * config/i386/i386.opt (msselibm): New target option.
5631 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5632 (ix86_init_sse_abi_builtins): New function.
5633 (ix86_expand_library_builtin): Likewise.
5634 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5635 (override_options): Handle error conditions wrt -msselibm.
5636 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5637 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5638 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5641 2006-01-31 Richard Guenther <rguenther@suse.de>
5642 Paolo Bonzini <bonzini@gnu.org>
5644 * doc/install.texi (--disable-libgcc-math): Document.
5646 2006-01-30 Marcin Dalecki <martin@dalecki.de>
5648 * expr.h (expand_normal): new inline function.
5649 * builtins.c: use it, use EXPAND_NORMAL explicitely.
5651 * dwarf2out.c: use it.
5656 * config/sparc/sparc.c: use it.
5657 * config/i386/i386.c: use it.
5658 * config/rs6000/rs6000.c: use it.
5659 * config/arm/arm.c: use it.
5660 * config/mips/mips.c: use it.
5661 * stmt.c: use it, use EXPAND_NORMAL explicitely.
5663 2006-01-30 Roger Sayle <roger@eyesopen.com>
5665 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5666 argv to the appropriate type.
5668 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5670 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5673 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5676 * config/s390/s390.c (struct machine_function): New flag
5677 decomposed_literal_pool_addresses_ok_p.
5678 (s390_reorg): Set it before final stage of literal pool transforms.
5679 (s390_decompose_address): Only accept displacements of the form
5680 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5682 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5684 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5685 the comparison routine return.
5687 2006-01-30 Michael Matz <matz@suse.de>
5689 * global.c (find_reg): Only evict for global regs.
5690 Take n_refs into account and dump more info.
5692 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5695 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5696 (pragma_trap, pragma_nosave_low_regs): Likewise.
5697 (current_function_anonymous_args): Likewise.
5698 (sh_deferred_function_attributes): New variable.
5699 (sh_deferred_function_attributes_tail): Likewise.
5700 (print_operand): For '@', look up trap_exit attribute.
5701 (calc_live_regs): Look up trapa_handler attribute. For trapa
5702 handlers, save/restore fpscr, but don't do any other
5703 interrupt-specific saves.
5704 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5705 Fix check for partially saved registers to check for SHmedia.
5706 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5707 (sh_output_function_epilogue): Don't clear any of the removed
5709 (sh_insert_attributes): Don't check pragma_interrupt.
5710 Insert deferred attributes. Check that interrupt attribute is
5711 present for other attributes that require its presence.
5712 (sh_attribute_table): Add new attributes trapa_handler and
5714 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5715 Don't check for pragma_interrupt. Don't store argument.
5716 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5717 (sh_deferred_function_attributes): Declare.
5718 (sh_deferred_function_attributes_tail): Likewise.
5719 * sh.md (sp_switch_1): Add operand. Change generator caller.
5720 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5721 (*return_i): Don't use when trap_exit attribute is in effect.
5722 (*return_trapa): New insn pattern.
5724 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
5725 setting c_target_objs and cxx_target_objs.
5726 * t-sh: Add rule for sh-c.o.
5728 2006-01-30 Richard Guenther <rguenther@suse.de>
5731 * gimplify.c (gimplify_target_expr): Handle easy cases
5732 without creating a temporary.
5734 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
5736 * vec.h (safe_grow): Remove duplicated line.
5738 2006-01-29 Diego Novillo <dnovillo@redhat.com>
5741 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
5742 (expand_omp): ... here.
5743 (expand_omp_parallel): Only remove barriers for combined
5744 parallel+workshare constructs.
5746 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5750 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
5751 * tree.c (build_qualified_type): Chain the new type to the original
5752 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
5753 a POINTER_TYPE or a REFERENCE_TYPE respectively.
5754 (build_pointer_type_for_mode): Only return unqualified types.
5755 (build_reference_type_for_mode): Likewise.
5757 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
5759 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
5760 * Makefile.in (CXX_COMPAT_WARN): Define.
5761 * configure: Regenerate.
5763 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
5766 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
5769 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5771 * toplev.c: Fix thinko.
5773 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5774 Marcin Dalecki <martin@dalecki.de>
5776 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
5777 (push_srcloc): Use XNEW.
5778 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
5780 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5782 * df-core.c (df_set_blocks): Deleted all variable.
5784 2006-01-28 Ian Lance Taylor <ian@airs.com>
5786 * cgraphunit.c (cgraph_assemble_pending_functions): Call
5787 cgraph_output_pending_asms.
5789 2006-01-28 Zack Weinberg <zackw@panix.com>
5791 * c.opt: Add -W(no-)overlength-strings.
5792 * doc/invoke.texi: Document it.
5793 * c-opts.c (c_common_handle_option): -pedantic implies
5794 -Woverlength-strings, if not explicitly disabled already.
5795 (c_common_post_options): -Woverlength-strings defaults to off, and
5796 is always off for C++.
5797 * c-common.c (fix_string_type): Issue warning about strings longer
5798 than is portable only if warn_overlength_strings. Rearrange code
5799 a little for clarity.
5800 * configure.in: Check for -Wno-overlength-strings as well before
5801 enabling -pedantic in stage 1.
5802 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
5803 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
5805 * genconditions.c (write_header, write_one_condition)
5806 (write_conditions, write_writer): Consolidate very long strings
5807 that were broken up to fit in C89 portable limit. Don't use
5808 printf when fputs will do.
5810 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
5812 * combine.c (simplify_comparison <AND>): Check
5813 TRULY_NOOP_TRUNCATION before start using a subreg.
5815 * config/mips/mips.md (*branch_zero<mode>,
5816 *branch_zero<mode>_inverted, *branch_equality<mode>,
5817 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
5818 Remove mode check from comparisons.
5820 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
5822 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
5824 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5826 * expmed.c (const_mult_add_overflow_p): Remove.
5827 * expr.h: Remove the prototype for const_mult_add_overflow_p.
5829 * recog.c (validate_replace_rtx_subexp): Remove.
5830 * recog.h: Remove the prototype for
5831 validate_replace_rtx_subexp.
5833 * integrate.h: Remove the prototype for
5834 copy_decl_for_inlining.
5835 * rtl.h: Remove the prototype for mark_constant_function.
5836 * tree-vectorizer.h: Remove the prototype for
5837 vect_strip_conversion.
5839 * modulo-sched.c (create_partial_schedule,
5840 free_partial_schedule, reset_partial_schedule): Make them
5843 * hooks.c (hook_bool_rtx_int_false): Remove.
5844 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
5846 2006-01-28 David Edelsohn <edelsohn@gnu.org>
5848 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5849 and -mlong-double-128 are incompatible.
5850 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
5851 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
5852 (TARGET_LIBGCC2_CFLAGS): Define.
5853 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
5854 (TARGET_LIBGCC2_CFLAGS): Same.
5855 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
5857 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5860 * c-typeck.c (build_binary_op): Perform implicit casts of
5861 operands before shortening them.
5863 * cfgloopmanip.c (split_loop_bb): Remove.
5864 * cfgloop.h: Remove the prototype for split_loop_bb.
5866 * cfgloop.c (flow_loop_outside_edge_p): Remove.
5867 * cfgloop.h: Remove the prototype for
5868 flow_loop_outside_edge_p.
5870 * emit-rtl.c (init_virtual_regs): Make it static.
5871 * function.h: Remove the prototype for init_virtual_regs.
5873 * recog.c (peephole2_optimize): Make it static.
5874 * recog.h: Remove the prototype for peephole2_optimize.
5876 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5878 * df-scan.c (df_record_entry_block_defs): Check if
5879 INCOMING_RETURN_ADDR_RTX is defined.
5881 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
5882 Kenneth Zadeck <zadeck@naturalbridge.com>
5884 PR rtl-optimization/24762
5885 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5886 * targhooks.c (hook_void_bitmap): New hook prototype.
5887 * targhoohs.h (hook_void_bitmap): Ditto.
5888 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
5889 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
5890 * target.h (live_on_entry): New function pointer.
5891 * df-scan.c (df_all_hard_regs): Removed.
5892 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
5893 (df_scan_free_internal): Added df->entry_block_defs.
5894 (df_scan_alloc): Ditto.
5895 (df_scan_dump): Ditto.
5896 (df_uses_record): Plumbed flag field properly thru calls.
5897 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
5898 This part fixes PR24762.
5899 (df_bb_refs_record): Added code to make the frame and arg
5900 pointers live in EH blocks.
5901 (df_refs_record): Added call to df_record_entry_block_defs.
5902 (df_record_entry_block_defs): New function.
5903 * df-core.c: Added comments to describe new artifical defs.
5904 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
5905 (entry_block_defs): New field in struct df.
5906 (df_all_hard_regs): Deleted.
5907 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5908 * df-problems.c (df_ru_bb_local_compute_process_def):
5909 Added code to handle artifical defs in the entry to a function.
5910 (df_ru_bb_local_compute): Ditto.
5911 (df_rd_bb_local_compute_process_def): Ditto.
5912 (df_rd_bb_local_compute): Ditto.
5913 (df_lr_bb_local_compute): Ditto.
5914 (df_ur_bb_local_compute): Ditto.
5915 (df_urec_bb_local_compute): Ditto.
5916 (df_chain_create_bb): Ditto.
5917 (df_ur_local_finalize): Removed entry.
5918 (df_urec_init): Ditto.
5919 (df_urec_local_finalize): Ditto.
5920 (df_ri_bb_compute): Added detection of last use of pseudos.
5921 * Makefile.in (df-scan.o): Updated dependencies.
5922 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
5923 * config/mips/mips.c (mips_set_live_on_entry): Added.
5924 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
5926 * dce.c (marked_insn_p): Added code to handle artifical defs.
5928 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5930 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
5932 (_mm_cvtsi128_si64): Likewise.
5933 (_mm_cvtsd_si64): Likewise.
5934 (_mm_cvttsd_si64): Likewise.
5935 (_mm_cvtsi64_sd): Likewise.
5936 (_mm_cvtsi64_si128): Likewise.
5937 * config/i386/mmintrin.h (_m_from_int64): Likewise.
5938 (_mm_cvtsi64_m64): Likewise.
5939 (_m_to_int64): Likewise.
5940 (_mm_cvtm64_si64): Likewise.
5941 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
5942 (_mm_cvttss_si64): Likewise.
5943 (_mm_cvtsi64_ss): Likewise.
5944 (_mm_cvtss_f32): Likewise.
5946 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
5948 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
5949 for pragma redefine_extname.
5951 2006-01-27 Jakub Jelinek <jakub@redhat.com>
5954 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
5955 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
5956 -mno-minimal-toc to previous content.
5957 (bispecs): Remove goal.
5958 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
5959 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
5960 compatibility aliases on powerpc-*-*gnu*.
5961 * config/rs6000/libgcc-ppc-glibc.ver: New file.
5962 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
5963 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
5964 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
5965 (ldblspecs): New goal.
5966 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
5967 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
5969 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
5970 L_sf_to_tf or L_df_to_tf is defined.
5972 2006-01-27 David Edelsohn <edelsohn@gnu.org>
5973 Alan Modra <amodra@bigpond.net.au>
5976 * config/rs6000/linux.h (POWERPC_LINUX): Define.
5977 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
5978 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
5979 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
5980 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
5981 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
5982 (rs6000_override_options): Initialize rs6000_ieeequad.
5983 Initialize TFmode format to ibm_extended_format if not
5985 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
5987 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
5988 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
5989 (function_arg_advance): IBM long double passed in two FPRs, not
5991 (function_arg): IBM long double passed in FPRs.
5992 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
5993 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
5994 Only multireg GPR aligned.
5995 (rs6000_init_libfuncs): Enable IBM long double functions if not
5997 (rs6000_generate_compare): Use IBM long double compare if not
5999 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
6000 (TARGET_IEEEQUAD): Define.
6001 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
6002 not TARGET_IEEEQUAD.
6003 * config/rs6000/rs6000.md: Enable TFmode patterns if
6005 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
6006 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
6007 and -mlong-double-128 are incompatible.
6008 * doc/invoke.texi (-mabi): Collect options together. Add
6009 ibmlongdouble and ieeelongdouble.
6011 2006-01-27 Richard Sandiford <richard@codesourcery.com>
6013 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
6015 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
6016 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
6017 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
6018 * rtl.h (rtunion_def): Remove rt_ptr.
6020 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
6021 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
6022 * config/i386/winnt.c (i386_pe_mark_dllexport)
6023 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
6025 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
6027 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
6029 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6033 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
6034 pthread_key_delete. From John David Anglin. gthrw-ify
6035 pthread_getunique_np only if it it's not a macro. Delete
6037 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
6038 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
6039 __gthread_objc_condition_signal, __gthread_key_delete): Add
6040 "__attribute__ ((__unused__))" to unused arguments.
6041 (__gthread_recursive_mutex_init_function): Add missing return.
6042 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
6043 gthr-posix95.h: Use macro-based approach for name redirection
6044 on targets missing weakref.
6046 2006-01-26 Zack Weinberg <zackw@panix.com>
6048 * genconditions.c (write_header): In generated code, #ifdef out
6049 all includes and fake declarations, except includes of bconfig.h
6050 and system.h, unless GCC_VERSION >= 3001. Do not include
6051 gensupport.h in any case.
6052 (write_conditions): Generate a definition of struct c_test. Add
6053 a comment to the generated #endif.
6054 (write_one_condition): Escape backslashes in string too.
6055 (write_writer): Generated code must escape backslashes and quote
6056 marks (but not newlines) in the strings it writes.
6057 * Makefile.in (build/gencondmd.o): Update dependencies.
6059 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6062 * Makefile.in (insn-automata.o): Add header file dependencies.
6063 * genautomata.c: Add includes.
6065 2006-01-26 Steve Ellcey <sje@cup.hp.com>
6068 * Makefile.in (insn-automata.o): Add -Wno-error flag.
6070 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6072 * configure.ac: Expect target tools paths to be passed from the toplevel
6073 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6075 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
6077 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
6080 * c.opt (Wpointer-sign): Init to -1.
6081 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
6082 OPT_pedantic, to 0 otherwise.
6083 * doc/invoke.texi: Update.
6085 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
6087 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
6088 constants provided by 80387 instructions in the destination mode.
6090 2006-01-26 Richard Guenther <rguenther@suse.de>
6091 Andrew Pinski <pinskia@physics.uc.edu>
6094 partial PR tree-opt/17064
6095 * tree-ssa-structalias.c (intra_create_variable_infos):
6096 Create heap variables for incoming parameters if
6097 flag_argument_noalias > 1.
6098 (find_what_p_points_to): Look through default defs of
6101 2006-01-26 Jeff Law <law@redhat.com>
6104 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
6105 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
6106 within the VR_RANGE, use the VR_RANGE as the result, not the
6108 (adjust_range_with_scev): Reject ranges from SCEV which are out of
6109 bounds for the type.
6111 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
6113 * tree-ssa-alias.c (maybe_create_global_var): Change
6114 subvar walking to an assertion that we don't have subvar'd variables.
6116 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
6119 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
6120 Use a new variable, inner. PARM_DECLs are always non-weak.
6122 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
6124 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
6127 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
6129 * config/mips/mips.md (*clear_upper32): New combiner pattern.
6131 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
6133 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
6134 (smax_insn, smin_insn, smax_0, smin_0): New.
6136 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
6139 * config/cris/cris.c (cris_order_for_addsi3): New function.
6140 * config/cris/cris-protos.h: Prototype it.
6141 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
6142 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
6143 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
6144 (split for "op.S1 [rx=rx+i],ry (swapped)")
6145 (split for "op(s|u).S1 [rx=rx+i],ry")
6146 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6147 Apply cris_order_for_addsi3 when generating addsi3 insns.
6149 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6151 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6152 (TREE_BLOCK): Add call to EXPR_CHECK.
6154 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6157 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6158 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6159 (dump_omp_clauses): ... here.
6160 (dump_generic_node): Handle OMP_CLAUSE.
6161 * tree.c (omp_clause_num_ops): New.
6162 (omp_clause_code_name): New.
6163 (tree_code_size): Handle OMP_CLAUSE.
6164 (tree_size): Likewise.
6165 (make_node): Document handling of OMP_CLAUSE.
6166 (tree_node_structure): Handle OMP_CLAUSE.
6167 (omp_clause_check_failed): New.
6168 (omp_clause_range_check_failed): New.
6169 (omp_clause_operand_check_failed): New.
6170 (build_omp_clause): New.
6171 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6172 * tree.h (enum omp_clause_code): Declare.
6173 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6174 (OMP_CLAUSE_RANGE_CHECK): Define.
6175 (OMP_CLAUSE_ELT_CHECK): Define.
6176 (omp_clause_check_failed): Declare.
6177 (omp_clause_operand_check_failed): Declare.
6178 (omp_clause_range_check_failed): Declare.
6179 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6180 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6181 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6182 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6183 (OMP_CLAUSE_IF_EXPR): Likewise.
6184 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6185 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6186 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6187 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6188 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6189 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6190 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6191 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6192 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6193 (OMP_CLAUSE_CODE): Define.
6194 (OMP_CLAUSE_SET_CODE): Define.
6195 (OMP_CLAUSE_CODE): Define.
6196 (OMP_CLAUSE_OPERAND): Define.
6197 (struct tree_omp_clause): Declare.
6198 (union tree_node): Add field 'omp_clause'.
6199 * treestruct.def (TS_OMP_CLAUSE): Define.
6200 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6201 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6202 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6203 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6204 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6205 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6206 (OMP_CLAUSE): Define.
6207 * print-tree.c (print_node): Handle OMP_CLAUSE.
6208 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6209 * c-typeck.c: Likewise.
6210 * gimplify.c: Likewise.
6211 * c-omp.c: Likewise.
6212 * tree-nested.c: Likewise.
6213 * tree-inline.c: Likewise.
6214 * c-parser.c: Likewise.
6215 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6218 2006-01-25 Roger Sayle <roger@eyesopen.com>
6220 PR rtl-optimization/25703
6221 * combine.c (try_combine): Handle zero_extract and strict_low_part
6222 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6224 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6226 * global.c: Fix comment typos.
6228 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6231 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6232 Use output_addr_const instead of assemble_name.
6234 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6236 * Makefile.in (sched-vis.o): Update dependencies.
6237 * haifa-sched.c (sched_finish): Clear current_sched_info.
6238 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6239 (dump_flow_info): Call it.
6240 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6242 * basic-block.h (dump_bb_info): Declare.
6243 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6244 option, and apply options only for dump files whose TDF_RTL,
6245 TDF_TREE, or TDF_IPA bits match.
6246 * rtl.h: Declare new functions exported from sched-vis.c.
6247 * sched-vis.c: Enable also if scheduling is not used.
6248 (print_value): Print the mode of registers if not inside scheduling.
6249 (print_insn): Make it work outside the scheduler. Beautify the output
6251 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6253 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6255 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6256 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6257 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6258 depending on the value of CONSTANT_POOL_ADDRESS_P.
6259 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6261 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6262 rather than SYMBOL_REF_DECL.
6263 (rtx_constant_pool): Remove const_rtx_sym_htab.
6264 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6265 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6266 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6267 Remove handling of const_rtx_sym_htab.
6268 (find_pool_constant): Delete.
6269 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6270 rather than find_pool_constant.
6271 (get_pool_constant_for_function): Delete.
6272 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6274 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6275 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6276 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6277 (SYMBOL_REF_CONSTANT): New macro.
6278 (get_pool_constant_for_function): Delete.
6279 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6280 rather than SYMBOL_REF_DECL.
6281 (i386_pe_mark_dllimport): Likewise.
6282 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6283 rather than SYMBOL_REF_DECL.
6284 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6285 (machopic_indirect_call_target): Likewise.
6287 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6289 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6291 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6293 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6295 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6297 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6299 2006-01-24 David Daney <ddaney@avtrex.com>
6302 * configure.ac (enable_tls): New enable option.
6303 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6304 * configure: Regenerate.
6305 * doc/install.texi (--enable-tls): Document new option.
6306 (--disable-tls): Ditto.
6308 2006-01-24 Richard Henderson <rth@redehat.com>
6310 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6311 * alias.c (true_dependence): Respect it.
6312 (canon_true_dependence, write_dependence_p): Likewise.
6313 * builtins.c (get_builtin_sync_mem): Set it.
6315 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6317 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6320 2006-01-24 DJ Delorie <dj@redhat.com>
6322 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6323 for storing constants in single-bit bitfields.
6325 2006-01-25 Ben Elliston <bje@au.ibm.com>
6327 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6329 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6332 * tree-ssa-pre.c (phi_translate): Return NULL
6333 for AGGREGATE_TYPE's.
6335 2006-01-24 Zack Weinberg <zackw@panix.com>
6337 * genautomata.c (process_state_for_insn_equiv_partition):
6338 Use xcalloc for insn_arcs_array.
6339 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6340 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6342 2006-01-24 Richard Henderson <rth@redhat.com>
6344 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6347 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6349 PR rtl-optimization/25890
6350 PR rtl-optimization/25905
6351 * combine.c (expand_compound_operation, expand_field_assignment):
6352 Fail if the bitfield's final position is out of bounds.
6354 2006-01-24 Ian Lance Taylor <ian@airs.com>
6357 * cgraphunit.c (cgraph_output_in_order): Don't clear
6358 cgraph_asm_nodes until after asm strings have been output.
6360 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6362 * fix-header.c (read_scan_file): Add new parameter imultilib when
6363 calling register_include_chains.
6365 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6367 * omp-low.c: Update documentation.
6369 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6370 Daniel Berlin <dberlin@dberlin.org>
6374 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6375 return from the function.
6377 2006-01-22 Zack Weinberg <zackw@panix.com>
6379 * rtl.def (match_code): Add second argument.
6380 * genpreds.c (write_extract_subexp): New function.
6381 (write_match_code): Add path argument. Use write_extract_subexp.
6382 (write_predicate_expr): Pass path to write_match_code.
6383 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6384 not perform a mode test.
6385 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6386 a subexpression does not constrain the top-level code set.
6387 * read-rtl.c (read_rtx_variadic): New function.
6388 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6389 * doc/md.texi: Document new notation.
6390 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6391 (cmpsi_operand): ... here, using new notation.
6393 2006-01-22 Zack Weinberg <zackw@panix.com>
6395 * varray.c: Remove GENERATOR_FILE #ifdefs.
6397 2006-01-22 Zack Weinberg <zackw@panix.com>
6399 * genautomata.c (output_reserved_units_table): Emit nothing if
6400 description->query_units_num is zero. Remove extra blank line.
6401 (output_cpu_unit_reservation_p): Short circuit
6402 if description->query_units_num is zero.
6404 2006-01-22 Zack Weinberg <zackw@panix.com>
6406 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6407 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6408 nor any of the random handful of variables that used to be necessary
6409 when this program was linked with rtlanal.o. Prune set of forward
6410 function declarations.
6411 (struct attr_desc): Remove static_p field.
6412 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6413 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6414 (attr_string): Do not read the character one past the length of
6416 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6417 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6418 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6419 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6420 (make_automaton_attrs): New.
6421 (main): Do not call into genautomata. Call local gen_bypass
6422 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6423 Remove special case for insn_alts.
6424 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6425 varray.h (leftover from previous change). Prune set of forward
6426 function declarations. Remove state_alts fields from all
6427 structures. Remove state_alts_table from struct automaton.
6428 Make everything except main static. Do not maintain num_dfa_decls.
6429 Do not maintain state_alts fields of various structures.
6430 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6431 (add_arc): Remove state_alts argument. All callers updated.
6432 (output_reserved_units_table): Emit #ifdef here...
6433 (output_tables): ...not here. Don't generate state_alts tables.
6434 (expand_automata): Don't generate attributes.
6435 (write_automata): Don't generate state_alts functions.
6436 (main): New function.
6437 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6438 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6439 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6440 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6441 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6442 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6443 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6444 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6446 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6447 * genattrtab.h: Delete file.
6448 * Makefile.in (OBJS-common): Add insn-automata.o.
6449 (insn-automata.o): New rule.
6450 (simple_generated_c): Add insn-automata.c.
6451 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6452 (genprogmd): Add automata.
6453 (build/genattrtab): Needs no extra objects nor libraries.
6454 (build/genautomata): Needs build/vec.o and -lm.
6456 2006-01-22 Zack Weinberg <zackw@panix.com>
6458 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6459 (output_dfa_max_issue_rate, locked_states_num): Delete.
6460 (struct automaton): Add locked_states field.
6461 (output_dead_lock_vect): Save number of locked states in
6462 automaton->locked_states. If it is zero, don't print anything.
6463 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6464 (output_internal_dead_lock_func): Only test the dead_lock_vect
6465 for automata that have locked states.
6466 (output_statistics): Always print the number of locked states for
6467 each automaton. Calculate total number of locked states here.
6468 (write_automata): Don't call output_dfa_max_issue_rate.
6469 * genattrtab.c: Define length_unit_log as a const variable.
6470 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6471 max_insn_queue_index const.
6472 * final.c (length_unit_log): Declare const.
6473 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6475 2006-01-22 Zack Weinberg <zackw@panix.com>
6477 * genautomata.c: Include vec.h, not varray.h.
6478 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6479 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6480 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6481 VEC_* macros operating on appropriately typed vectors, or to
6482 malloced arrays when the size is known in advance. Const-ify
6483 many char* variables and function arguments. No functional changes.
6484 * Makefile.in (build/varray.o): Delete rule.
6485 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6486 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6488 2006-01-22 Zack Weinberg <zackw@panix.com>
6490 * gensupport.c: Define get_insn_name and record_insn_name here.
6491 (read_md_rtx): Call record_insn_name as appropriate.
6492 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6493 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6494 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6496 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6497 (BUILD_VARRAY): Delete.
6498 (genprognormal): Rename genprogmd. Fold in all programs from
6499 genprognoprint; also attrtab.
6500 (build/genattrtab): Just mention genautomata.o and varray.o.
6501 Reorganize a bit, add comments to make the categories clearer.
6503 2006-01-22 Zack Weinberg <zackw@panix.com>
6505 * genconditions.c (condition_table, add_condition): Delete.
6506 (write_conditions): Don't emit n_insn_conditions nor
6507 insn_elision_unavailable. Issue the gcc version #ifdef here,
6508 inside the table, with no #else clause ...
6509 (write_header): ...not here.
6510 (write_writer): New function.
6511 (main): Don't initialize condition_table. Use add_c_test.
6513 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6514 files on the command line.
6515 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6516 Return -1 if there is no entry in the table, don't abort.
6517 (add_c_test, traverse_c_tests): New functions.
6518 * gensupport.h (insn_elision_unavailable, insn_conditions)
6519 (n_insn_conditions): Delete declarations.
6520 (add_c_test, traverse_c_tests): Declare.
6521 * read-rtl.c: Include gensupport.h.
6522 (read_conditions): New function.
6523 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6524 (read_rtx_1): If we get EOF when we were looking for an initial
6525 open paren, return 0. Call read_conditions when appropriate.
6526 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6527 dummy-conditions.o. Eliminate references to insn-conditions.o,
6528 or change them to build/gencondmd.o, as appropriate. Remove
6529 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6530 from $(simple_generated_c). For all files remaining in those
6531 two lists, add insn-conditions.md to the generator command line.
6532 Give insn-constants.h/s-constants their own rules. Add rules
6533 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6534 (build/read-rtl.o): Depend on gensupport.h.
6535 (genprognormal): Include preds.
6536 (genprogearly): Rename genprognoprint; only difference is now that
6537 they don't link with $(BUILD_PRINT).
6538 * dummy-conditions.c: Delete.
6540 2006-01-22 Zack Weinberg <zackw@panix.com>
6542 * genextract.c: Don't include insn-config.h. Do include vec.h.
6543 Declare vectors of int, char, and locstr.
6544 (locstr): New typedef.
6545 (struct extraction): Make all array fields into bare pointers.
6546 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6547 (insn_code_number): Delete.
6548 (accum_extract): New struct.
6549 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6550 (gen_insn): Take insn_code_number as an argument. Use an
6551 accum_extract structure instead of loading data directly into
6552 a struct extraction, and having to know how big it might get.
6553 (walk_rtx): Operate entirely on an accum_extract structure.
6554 (print_path): Avoid unnecessary use of printf.
6555 (print_header): New function, split out of main. Distinguish
6556 more carefully between an unrecognizable insn and an insn that
6557 has the code number of a define_expand.
6558 (main): Pass insn_code_number to gen_insn. Call print_header
6559 only after parsing. Avoid unnecessary use of printf.
6560 * Makefile.in (build/vec.o): New rule.
6561 (build/genextract): Depend on build/vec.o.
6562 (build/genextract.o): Don't depend on insn-config.h.
6564 2006-01-22 Zack Weinberg <zackw@panix.com>
6566 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6567 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6568 practical. Eliminate per-generator-program link rules.
6570 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6573 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6574 with a call expr to ...
6575 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6577 2006-01-23 Richard Guenther <rguenther@suse.de>
6579 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6580 before make_edge with conditional EDGE_TRUE_VALUE.
6582 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
6583 Jan Hubicka <jh@suse.cz>
6584 Richard Guenther <rguenther@suse.de>
6586 PR rtl-optimization/25654
6587 * cfgexpand.c (aggregate_contains_union_type): New function.
6588 (add_alias_set_conflicts): Call it. Make sure to add conflicts
6589 for structure variables that contain a union type.
6591 2006-01-23 Richard Sandiford <richard@codesourcery.com>
6593 * gengtype.c (new_structure): Return the structure.
6594 (create_option): Add an extra "next" argument.
6595 (create_field): New function.
6596 (adjust_field_rtx_def): Use create_option and create_field.
6597 Remove a now-unnecessary call to find_structure.
6598 (adjust_field_tree_def): Likewise.
6599 (note_yacc_type): Remove an unnecessary call to find_structure.
6600 * gengtype.h (new_structure): Return the structure.
6601 (create_option): Add an extra argument.
6602 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
6603 (option): Adjust calls to create_option.
6605 2006-01-22 David Edelsohn <edelsohn@gnu.org>
6607 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
6609 2006-01-22 Paul Brook <paul@codesourcery.com>
6610 Peter Barada <peter@the-baradas.com>
6612 * config/m68k/m68k.md: Add Coldfire FPU support.
6613 Define FP mode macro and associated attributes.
6614 Use it for float mode patterns.
6615 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6616 (LIBCALL_VALUE): Use m68k_libcall_value.
6617 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
6618 (m68k_function_value): Ditto.
6619 (emit_move_sequence): Ditto.
6620 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
6621 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
6622 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
6623 (MULTILIB_EXCEPTIONS): Ditto.
6624 * config/m68k/m68k.opt: Add mcfv4e.
6625 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
6626 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
6627 (m68k_output_function_prologue): Save ColdFire FPU registers.
6628 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
6629 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
6630 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
6631 ColdFire FPU registers.
6632 (m68k_libcall_value, m68k_function_value): New functions.
6633 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
6634 (LIBCALL_VALUE): Use m68k_libcall_value.
6635 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
6636 (MASK_COLDFIRE): Add MASK_CFV4E.
6637 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
6638 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
6639 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
6640 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
6641 (GO_IF_LEGITIMATE_ADDRESS): Use it.
6642 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
6643 * doc/invoke.tex: Document -mcfv4e on m68k.
6645 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6647 * doc/contribute.texi: Change CVS to SVN and update the corresponding
6650 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
6653 * c-opts.c (c_common_handle_option): Don't include
6654 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
6655 * doc/invoke.texi (C++ Dialect Options): Document that
6656 -Wnon-virtual-dtor is no longer included in -Wall.
6658 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
6660 * gcov.c (print_version), gcov-dump.c (print_version),
6661 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6664 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6666 * df-scan.c (problem_SCAN): Added NULL reset function.
6667 (df_scan_reset_blocks): Added code to call reset block function
6668 (df_bb_refs_delete) Fixed comment.
6669 (df_insn_refs_delete): Made tolerant of deleting non existent info
6670 for dataflow problems that need to be reset.
6671 * df-core.c (df_set_blocks): Ditto.
6672 * df.h (struct df_problem): Added reset_fun.
6673 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6674 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6675 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6676 functions to clear out all references to def-use or use-def chains.
6678 2006-01-21 Ben Elliston <bje@au.ibm.com>
6680 * varasm.c (assemble_real): Initialise data array.
6682 2006-01-20 Paul Brook <paul@codesourcery.com>
6684 Merge from csl-arm-branch.
6685 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6686 * config/arm/arm.md (movdi): Force operands[1] to a register
6687 if we have a non-register source.
6688 (*arm_movdi, *movdf_soft_insn): Require that one of the
6689 operands be a register.
6690 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6691 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6693 2006-01-20 DJ Delorie <dj@redhat.com>
6695 * varasm.c (initialize_constant_valid_p): Allow pointers
6696 initialized from integer constants of lesser precision.
6697 (output_constant): Allow non-int-sized pointer modes to be
6698 initialized from integer constants.
6700 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6703 * cppdefault.h (struct default_include): Add multilib flag.
6704 * cppdefault.c (cpp_include_defaults): Set it.
6705 * c.opt (-imultilib): New option.
6706 * c-opts.c (imultilib): New.
6707 (c_common_handle_option): Handle -imultilib.
6708 (c_common_post_options): Likewise.
6709 * c-incpath.c (add_standard_paths, register_include_chains):
6711 * c-incpath.h (register_include_chains): Add extra parameter.
6712 * gcc.c (do_spec_1): Generate -imultilib option.
6713 (The Specs Language): Update %I description.
6714 (process_command): Update copyright notice.
6715 * doc/cppopts.texi (-imultilib): Document.
6716 * doc/invoke.texi (-imultilib): Include in option summary.
6717 (%I): Update specs documentation.
6719 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6721 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6723 2006-01-20 Richard Sandiford <richard@codesourcery.com>
6725 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6728 2006-01-20 Richard Guenther <rguenther@suse.de>
6729 Steven Bosscher <stevenb.gcc@gmail.com>
6731 PR rtl-optimization/24626
6732 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
6733 EDGE_TRUE_VALUE if in RTL mode.
6736 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
6737 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
6739 2006-01-20 Dirk Mueller <dmueller@suse.com>
6742 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
6743 instead of a special NOP marker.
6744 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
6745 NOP marker handling.
6746 * c-common.h (empty_body_warning): Add forward declaration.
6747 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
6748 Now uses IS_EMPTY_STMT() instead of special NOP markers.
6750 2006-01-20 Paul Brook <paul@codesourcery.com>
6752 * Makefile.in (lang_checks): Keep going if mkdir fails.
6754 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6756 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
6757 be able to clean out basic block when not necessary.
6758 (df_scan_free): Fixed to properly delete information if df is
6759 unused before calling df_finish.
6760 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
6761 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
6763 (df_bb_refs_delete): New function.
6764 (df_refs_delete): Moved per block code to df_bb_refs_delete.
6765 * df-core.c (df_set_blocks): Added code to properly clean out
6766 unused blocks if they are not part of the blocks to consider.
6767 Added additional null check.
6768 (df_compact_blocks): Added basic block parameter to free_bb_fun to
6769 be able to clean out basic block when not necessary
6770 * df.h (df_free_bb_function): Ditto.
6771 (df_bb_refs_delete): New function.
6772 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
6773 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
6774 basic block parameter to be able to clean out basic block when not
6776 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
6777 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
6778 Fixed to properly delete information if df is unused before
6781 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6783 PR rtl-optimization/25799
6784 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
6785 Corrected confluence operator to remove bits from op2 before oring
6786 with op1 rather than removing bits from op1.
6787 (df_ru_transfer_function): Corrected test on wrong bitmap which
6788 caused infinite loop. Both of these problems were introduced in
6789 the dataflow rewrite.
6791 2006-01-19 DJ Delorie <dj@redhat.com>
6793 * reload1.c (find_reload_regs): Note the details of reload
6794 failures in the dump file.
6795 (spill_failure): Likewise.
6797 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6799 * loop-iv.c: Include df.h and hashtab.h.
6800 (enum iv_grd_result): New enum.
6801 (DF_REF_IV, DF_REF_IV_SET): New macros.
6802 (struct biv_entry): New.
6803 (df, bivs): New global variables.
6804 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
6805 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
6807 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
6808 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
6809 analyzed_for_bivness_p, record_biv): New functions.
6810 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
6811 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
6812 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
6814 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
6816 (iv_number_of_iterations): Use new interface to iv analysis.
6817 * loop-unroll.c: Do not include varray.h.
6818 (analyze_iv_to_split_insn): Use new interface to iv
6820 * loop-unswitch.c (may_unswitch_on): Ditto.
6821 * df.c (df_bitmaps_free): Only work for bbs for that structures are
6823 (df_bb_modify): Realloc tables to the new index.
6824 (df_find_use): New function.
6825 * df.h (df_find_use): Declare.
6826 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
6828 * cfgloop.h (struct rtx_iv): Remove analysed field.
6829 (iv_get_reaching_def): Removed.
6830 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
6831 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
6832 (loop-iv.o): Add df.h and hashtab.h dependency.
6833 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
6835 2006-01-20 Alan Modra <amodra@bigpond.net.au>
6838 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
6840 (__floatundisf, __floatundidf): Likewise.
6841 * libgcc2.h (IS_IBM_EXTENDED): Define.
6843 2006-01-19 DJ Delorie <dj@redhat.com>
6845 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
6847 2006-01-19 Paul Brook <paul@codesourcery.com>
6849 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
6850 as nothrow when unwinding tables are disabled.
6852 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6855 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
6856 of bit-field" when in system header.
6858 2006-01-19 DJ Delorie <dj@redhat.com>
6860 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
6861 the 16 bit shift limit of the m16c.
6863 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
6866 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
6867 * config/i386/i386.c (output_set_got): Output the label if we have one
6868 for the TARGET_DEEP_BRANCH_PREDICTION case.
6870 2006-01-19 Jan Hubicka <jh@suse.cz>
6871 H.J. Lu <hongjiu.lu@intel.com>
6872 Evandro Menezes <evandro.menezes@amd.com>
6874 * invoke.texi (generic): Document
6876 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
6877 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
6878 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
6879 (x86_use_incdec, x86_pad_returns): New variables
6880 (TARGET_CPU_DEFAULT_generic): New constant
6881 (TARGET_CPU_DEFAULT_NAMES): Add generic.
6882 (enum processor_type): Add generic32 and generic64.
6883 * i386.md (cpu attribute): Add generic32/generic64
6884 (movhi splitter): Behave sanely when both partial_reg_dependency and
6885 partial_reg_stall are set.
6886 (K8 splitters): Enable for generic as well.
6887 * predicates.md (incdec_operand): Use TARGET_INCDEC
6888 (aligned_operand): Avoid memory mismatch stalls.
6889 * athlon.md: Enable for generic64, new patterns for 128bit moves.
6890 * ppro.md: Enable for generic32
6891 * i386.c (generic64_cost, generic32_cost): New.
6892 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
6893 (x86_use_leave): Enable for generic64. (x86_use_sahf,
6894 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
6895 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
6896 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
6897 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
6898 x86_partial_reg_dependency, x86_memory_mismatch_stall,
6899 x86_accumulate_outgoing_args, x86_prologue_using_move,
6900 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
6901 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
6903 (x86_use_incdec, x86_pad_returns): New.
6904 (override_options): Add generic32 and generic64, translate "generic"
6905 to generic32/generic64 and "i686" to "generic32", refuse
6906 "generic32"/"generic64" as arch target.
6907 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
6908 (ix86_reorg): Honor PAD_RETURNS.
6910 2006-01-19 Diego Novillo <dnovillo@redhat.com>
6912 * tree-pretty-print.c (dump_generic_node): Handle
6913 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
6914 * cgraph.c (cgraph_expand_queue): Rename from
6915 cgraph_analyze_queue. Update all users.
6916 * cgraphunit.c (cgraph_assemble_pending_functions): Process
6917 cgraph_expand_queue.
6918 (cgraph_expand_all_functions): Likewise.
6919 (cgraph_finalize_pending_functions): Remove. Update callers.
6921 * tree.h (OMP_DIRECTIVE_P): Define.
6922 (OMP_PARALLEL_FN): Define.
6923 (OMP_PARALLEL_DATA_ARG): Define.
6924 (OMP_SECTIONS_SECTIONS): Define.
6925 * tree-pass.h (pass_expand_omp): Declare.
6926 * omp-low.c (struct omp_region): Declare.
6927 (struct omp_context): Remove fields 'parallel_type',
6928 'parallel_start_ix' and 'parallel_start_additional_args'.
6930 (struct omp_for_data): Rename from struct expand_omp_for_data.
6931 (omp_regions): New static variable.
6932 (root_omp_region): New static variable.
6933 (find_omp_clause): Make static.
6934 (is_in_combined_parallel_ctx): Remove.
6935 (is_combined_parallel): New.
6936 (extract_omp_for_data): Move earlier in the file.
6937 (workshare_safe_to_combine_p): New.
6938 (get_ws_args_for): New.
6939 (determine_parallel_type): Move earlier in the file.
6940 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
6942 (omp_copy_decl): Likewise.
6943 (create_omp_child_function): Likewise.
6944 (lookup_omp_region): New.
6945 (dump_omp_region): New.
6946 (debug_omp_region): New.
6947 (debug_all_omp_regions): New.
6948 (new_omp_region): New.
6949 (scan_omp_parallel): If parallel_nesting_level > 1, the
6950 directive is nested within another parallel directive.
6951 Set OMP_PARALLEL_FN.
6952 (scan_omp_for): Do not try to handle combined parallel+for
6954 Remove FIXME comment.
6955 (scan_omp_nested): Remove.
6956 (scan_omp_1): Do not call scan_omp_nested when
6957 parallel_nesting_level is > 1.
6958 Do not change the DECL_CONTEXT of local variables found.
6959 (lookup_decl_in_outer_ctx): New.
6960 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
6961 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
6962 (lower_reduction_clauses): Rename from expand_reduction_clauses.
6963 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
6964 If CTX is nested, lookup VAR in the outer context when
6965 building copy assignment.
6966 (lower_send_clauses): Rename from expand_send_clauses.
6967 If CTX is nested, lookup VAR in the outer context when
6968 building copy assignments.
6969 (lower_send_shared_vars): Rename from expand_send_shared_vars.
6970 If CTX is nested, lookup VAR in the outer context when
6971 building copy assignments.
6972 (expand_parallel_call): Rename from build_parallel_call.
6973 Handle combined parallel+workshare cases.
6974 Re-implement to emit code into the CFG.
6976 (expand_omp_parallel): Re-implement to emit code into the CFG.
6977 Call move_sese_region_to_fn to outline the sub-graph
6978 containing the parallel region.
6979 (expand_omp_for_1): Remove.
6980 (expand_omp_for_generic): Re-implement to emit code into the
6982 (expand_omp_for_static_nochunk): Likewise.
6983 (expand_omp_for_static_chunk): Likewise.
6984 (expand_omp_for): Likewise.
6985 (expand_omp_sections): Likewise.
6986 (remove_exit_barriers): New.
6987 (expand_omp_synch): New.
6989 (build_omp_regions_1): New.
6990 (build_omp_regions): New.
6991 (execute_expand_omp): New.
6992 (gate_expand_omp): New.
6993 (pass_expand_omp): Define.
6994 (lower_omp_sections): Rename from expand_omp_sections.
6995 Set OMP_SECTIONS_SECTIONS.
6996 (lower_omp_single_simple): Rename from expand_omp_single_simple.
6997 (lower_omp_single_copy): Rename from expand_omp_single_copy.
6998 (lower_omp_single): Rename from expand_omp_simple.
6999 (lower_omp_master): Rename from expand_omp_master.
7000 (lower_omp_ordered): Rename from expand_omp_ordered.
7001 (lower_omp_critical): Rename from expand_omp_critical.
7002 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
7003 (lower_omp_for): Re-implement.
7004 (lower_omp_parallel): Re-implement.
7005 (lower_regimplify): Rename from expand_regimplify.
7006 (lower_omp_1): Rename from expand_omp_1.
7007 If there are syntax errors in the program, replace every
7008 OpenMP directive with NOP.
7009 Call lower_omp_* instead of expand_omp_*.
7010 (lower_omp): Rename from expand_omp.
7012 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
7013 * tree-gimple.h (enum omp_parallel_type): Remove.
7014 (gimple_boolify): Declare extern.
7015 (find_omp_clause, determine_parallel_type): Remove.
7017 * gimple-low.c (lower_omp_directive): New.
7018 (lower_stmt): Call it.
7019 (record_vars_into): Move from ...
7020 (record_vars): ... here.
7021 Call record_vars_into with current_function_decl.
7023 * gimplify.c (struct gimplify_ctx): Remove fields
7024 combined_pre_p and combined_ctxp. Update users.
7025 (get_formal_tmp_var): Add documentation.
7026 (gimple_boolify): Make extern.
7027 (gimplify_expr_in_ctx): Remove. Update callers.
7028 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
7029 will always be a BIND_EXPR.
7030 (gimplify_expr): Handle OMP_RETURN_EXPR.
7031 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
7032 (OMP_PARALLEL): Add 3 operands.
7033 (OMP_SECTIONS): Add 1 operand.
7034 (OMP_RETURN_EXPR): Define.
7036 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
7037 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
7038 * tree-iterator.c (alloc_stmt_list): Assert that we are not
7039 creating a circular free list.
7040 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
7042 * tree-flow.h (move_sese_region_to_fn): Declare.
7043 (record_vars_into): Declare.
7044 * tree-cfg.c (make_omp_sections_edges): New.
7045 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
7046 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
7047 OMP_SECTIONS and OMP_SECTION.
7048 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
7049 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
7050 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
7051 (gather_blocks_in_sese_region): New.
7052 (struct move_stmt_d): Declare.
7054 (move_block_to_fn): New.
7055 (move_sese_region_to_fn): New.
7057 * passes.c (init_optimization_passes): Schedule
7058 pass_expand_omp after pass_init_datastructures.
7060 * tree-ssa-operands.c (get_expr_operands): Handle
7061 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
7062 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
7064 2006-01-19 Jeff Law <law@redhat.com>
7066 * tree-vrp.c (extract_range_from_assert): Refine the result range
7067 if the variable referenced by the ASSERT_EXPR has a range and
7068 either the tentative result range or the previous range is a
7071 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7073 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
7075 2006-01-19 Jan Hubicka <jh@suse.cz>
7077 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
7079 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
7081 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
7082 (expand_compound_operation, expand_field_assignment): Fail if the
7083 bit lengths of an extract operation are out of range.
7084 (make_extraction): Compute wanted_inner_mode based on the position
7085 and length of the extraction. Make it extraction_mode for non-constant
7086 positions, and do not modify offset in that case. When generating a
7087 new MEM, use a mode that can hold the extraction while keeping correct
7088 alignment. Remove code that supported MEMs wrapped by USEs.
7089 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
7091 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
7093 * config/s390/s390.md ("Y", "y"): New mode attribute.
7094 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
7095 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
7096 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
7097 "*addsi3_imm_cc", "*addsi3_carry1_cc",
7098 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
7099 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
7100 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
7101 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
7102 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
7103 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
7104 "addsi3", "subsi3"): Insn patterns removed.
7105 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
7106 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
7107 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
7108 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
7109 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
7110 "*sub<mode>3_cconly2"): New insn patterns.
7111 ("addsi3", "subsi3"): New expanders.
7113 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
7115 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
7116 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
7117 existing STMT_VINFO_VECTYPE if available.
7118 (vect_mark_relevant): Add special handling for stmts that are
7119 marked as STMT_VINFO_IN_PATTERN_P.
7120 (vect_analyze_loop): Call vect_pattern_recog.
7121 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
7122 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
7124 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
7125 (vect_recog_func_ptr): New function-pointer type.
7126 * tree-vect-patterns.c: New file.
7127 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
7128 (vect_recog_dot_prod_pattern, vect_pattern_recog):
7129 (vect_pattern_recog_1): New functions.
7130 (vect_pattern_recog_funcs): New array of function pointers.
7132 * tree-vectorizer.h (ternary_op): New enum value.
7133 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
7134 declaration. Revised documentation. Removed redundant dump prints.
7135 Removed redundant argument. Added support for reduction patterns.
7136 (vectorizable_reduction): Added support for reduction patterns.
7137 (vect_transform_stmt): Added support for patterns.
7139 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
7140 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
7141 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
7142 (expand_widen_pattern_expr): New function.
7143 (init_optabs): Initialize new optabs udot_prod_optab,
7145 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
7146 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7147 (expand_widen_pattern_expr): New function declaration.
7148 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7150 * tree-inline.c (estimate_num_insns_1): Added cases for new
7151 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7152 * tree-pretty-print.c (dump_generic_node): Likewise.
7153 (op_prio): Likewise.
7154 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7155 * tree-ssa-operands.c (get_expr_operands): Added case for
7157 * tree-vect-patterns.c (widened_name_p): New function.
7158 (vect_recog_dot_prod_pattern): Added function implementation.
7159 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7160 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7161 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7162 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7164 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7165 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7166 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7167 (init_optabs): Initialize new optabs widen_ssum_optab,
7169 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7170 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7171 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7172 use instead of type of def.
7173 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7174 function implementation.
7175 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7176 widen_ssumv8hi): New.
7178 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7181 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7184 * c-decl.c (add_flexible_array_elts_to_size): New function.
7185 (finish_decl): Use it.
7187 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7189 * diagnostic.h: Include options.h.
7190 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7191 dependancies for diagnostic.h.
7192 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7194 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7196 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7197 (ssa_ro_call_cache_valid): Ditto.
7198 * tree-ssa-alias.c (sort_tags_by_id): New function.
7199 (init_transitive_clobber_worklist): Ditto.
7200 (add_to_worklist): Ditto.
7201 (mark_aliases_call_clobbered): Ditto.
7202 (compute_tag_properties): Ditto.
7203 (set_initial_properties): Ditto.
7204 (compute_call_clobbered): Ditto.
7205 (compute_may_aliases): Call compute_call_clobbered and grouping.
7206 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7207 (compute_flow_insensitive_aliasing): Grouping now happens in our
7209 (setup_pointers_and_addressables): Remove clobbering related code.
7210 (add_may_alias): Ditto.
7211 (replace_may_alias): Ditto.
7212 (get_nmt_for): Ditto.
7213 (create_global_var):
7214 (is_escape_site): Return an escape_type enumeration.
7215 * tree-flow-inline.h (is_call_clobbered): Global var does not
7216 imply call clobbered.
7217 (mark_call_clobbered): Take a reason for marking this. Remove
7218 marking of globalness, and cache invalidation.
7219 (clear_call_clobbered): Remove cache invalidation code.
7220 * tree-dfa.c (dump_variable): If details is on, dump the reason
7222 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7224 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7225 (struct var_ann_d): Ditto.
7226 (enum escape_type): New.
7227 (mark_call_clobbered): Adjust prototype.
7228 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7229 are never call clobbered.
7230 Record reasons for escaping.
7231 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7232 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7233 (ssa_ro_call_cache_valid): Ditto.
7234 (clobbered_v_may_defs): Ditto.
7235 (clobbered_vuses): Ditto.
7236 (ro_call_vuses): Ditto.
7237 (clobber_stats): New.
7238 (init_ssa_operands): Zero out clobber stats.
7239 (fini_ssa_operands): Print out clobber stats.
7240 (get_call_expr_operands): Pass callee fndecl to
7242 (add_call_clobber_ops): Remove use of cache.
7243 Add use of PURE_CONST information.
7244 (add_call_read_ops): Remove use of cache.
7245 Add use of static not_read information.
7247 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7249 Introduce TLS descriptors for i386 and x86_64.
7250 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7251 (TARGET_ANY_GNU_TLS): New macro.
7252 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7253 (struct machine_function): Add tls_descriptor_call_expanded_p.
7254 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7255 (ix86_current_function_calls_tls_descriptor): Likewise.
7256 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7257 (override_options): Introduce gnu2 tls dialect.
7258 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7260 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7262 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7263 (ix86_init_machine_status): Initialize new field.
7264 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7265 (ix86_tls_module_base): New.
7266 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7267 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7268 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7269 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7270 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7271 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7272 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7273 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7274 * config/i386/predicates.md (tls_modbase_operand): New.
7275 (tp_or_register_operand): New.
7277 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7279 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7280 (look_for_address_of): Ditto.
7281 (ipa_init): Walk the function decls.
7282 (static_execute): Don't set readonly on FUNCTION_DECL's.
7284 2006-01-18 Roger Sayle <roger@eyesopen.com>
7286 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7287 for shifts where the source and destination registers are different.
7289 2006-01-18 Paul Brook <paul@codesourcery.com>
7291 Merge from csl-arm-branch.
7292 2005-03-14 Julian Brown <julian@codesourcery.com>
7293 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7294 (aeabi_llsl): Likewise.
7295 (ashrdi3): Likewise.
7296 (aeabi_lasr): Likewise.
7297 (lshrdi3): Likewise.
7298 (aeabi_llsr): Likewise.
7299 2005-03-10 Julian Brown <julian@codesourcery.com>
7300 * config.gcc: Disable shared libgcc for SymbianOS.
7301 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7303 2006-01-18 DJ Delorie <dj@redhat.com>
7305 * c-pragma.c (handle_pragma_diagnostic): New.
7306 (init_pragma): Register it.
7307 * doc/extend.texi: Document it.
7309 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7310 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7311 (diagnostic_context): Add classify_diagnostic[].
7312 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7313 as errors if they're overridden to DK_WARNING.
7314 (diagnostic_initialize): Initialize classify_diagnostic[].
7315 (diagnostic_set_kind_override): New.
7316 (diagnostic_report_diagnostic): Check for kind changes.
7317 * opts.c (common_handle_option): Take lang_mask. Update callers.
7319 * common.opt (Werror=): New.
7320 * doc/invoke.texi: Document -Werror=*
7322 2006-01-18 Jeff Law <law@redhat.com>
7324 * tree-vrp.c (test_for_singularity): Correct test for new
7325 min limit. Use operand_equal_p rather than pointer equality
7326 for testing if new min/max values are equal.
7328 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7329 using range information until after propagation and folding.
7331 2006-01-18 Richard Henderson <rth@redhat.com>
7332 Aldy Hernandez <aldyh@redhat.com>
7333 Jakub Jelinek <jakub@redhat.com>
7334 Diego Novillo <dnovillo@redhat.com>
7336 * omp-low.c: New file.
7337 * c-omp.c: New file.
7339 2006-01-18 Richard Henderson <rth@redhat.com>
7340 Jakub Jelinek <jakub@redhat.com>
7341 Diego Novillo <dnovillo@redhat.com>
7343 * doc/invoke.texi: Document -fopenmp.
7344 * tree-dump.h (debug_function): Declare.
7345 * hooks.c (hook_bool_tree_bool_false): New function.
7346 (hook_tree_tree_null): Remove.
7347 (hook_tree_tree_tree_null): New.
7348 * hooks.h: Update to match.
7349 * tree-pretty-print.c (debug_tree_chain): New.
7350 (print_generic_expr): Handle TDF_CHAIN.
7351 (dump_generic_node): Handle BLOCK.
7352 Do not abort with incomplete SWITCH_EXPRs.
7353 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7354 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7355 print space after directive name.
7356 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7357 Handle OMP_MASTER and OMP_ORDERED.
7358 Handle printing of OMP_BODY just in one place, goto
7359 dump_omp_body in the rest of OMP_* nodes that have
7361 Don't handle clause nodes here. Update omp statements to
7362 use dump_omp_clauses.
7363 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7364 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7365 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7366 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7367 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7368 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7369 Adjust output for GOMP_PARALLEL.
7370 (dump_omp_clauses): New.
7371 (print_declaration): Dump DECL_VALUE_EXPR.
7372 (op_symbol_1): Split out of op_symbol.
7373 (dumping_stmts): Remove. Update all users.
7374 * cgraph.c (cgraph_analyze_queue): New.
7375 (cgraph_add_new_function): New.
7376 * cgraph.h (cgraph_analyze_queue): Declare.
7377 (cgraph_add_new_function): Declare.
7378 (cgraph_lower_function): Remove.
7379 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7380 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7381 and TYPE_P nodes in its default clause.
7382 (empty_body_p): New.
7383 (tree_range_check_failed): New.
7385 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7386 OMP_CLAUSE_REDUCTION_MERGE,
7387 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7388 OMP_CLAUSE_PRIVATE_DEBUG,
7389 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7390 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7391 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7392 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7393 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7394 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7395 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7396 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7397 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7398 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7399 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7400 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7401 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7402 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7403 (TREE_RANGE_CHECK): New.
7404 (empty_body_p): Declare.
7405 (enum omp_clause_default_kind): New.
7406 (build_string_literal): Declare.
7407 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7408 (build5_stat, build5): Declare.
7409 * tree-pass.h (TDF_CHAIN): Define.
7410 * tree-pass.h (PROP_gimple_lomp): Define.
7411 (pass_lower_omp): Declare.
7412 * diagnostic.h (debug_tree_chain): Declare.
7413 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7415 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7416 * builtins.c (build_string_literal): Make extern.
7417 * gcc.c (include_spec_function): New.
7418 (static_spec_functions): Add it.
7419 (main): Move load of libgomp.spec ...
7420 (LINK_COMMAND_SPEC): ... here.
7421 (link_gomp_spec): New.
7422 (static_specs): Include it.
7423 (LINK_COMMAND_SPEC): Add link_gomp.
7424 (GOMP_SELF_SPECS): New.
7425 (driver_self_specs): Include it.
7426 (switch_matches): Don't mark inline.
7427 (main): Load libgomp.spec.
7428 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7429 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7430 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7431 * tree-gimple.h (enum omp_parallel): Declare.
7432 (determine_parallel_type): Declare.
7433 (omp_firstprivatize_variable): Declare.
7434 (omp_reduction_init): Declare.
7435 (diagnose_omp_structured_block_errors): Declare.
7436 (struct walk_stmt_info): Add want_return_expr.
7437 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7438 (find_omp_clause): Declare.
7439 (insert_field_into_struct): Declare.
7440 (struct walk_stmt_info): Move from tree-nested.c
7441 (walk_stmts): Declare.
7442 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7444 * cgraphunit.c (cgraph_lower_function): Make static.
7445 (cgraph_finalize_pending_functions): New.
7446 (cgraph_finalize_function): Call it.
7447 (cgraph_finalize_compilation_unit): Likewise.
7448 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7449 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7450 (BT_FN_UINT_UINT): New.
7451 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7452 DEF_FUNCTION_TYPE_VAR_4): Document.
7453 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7454 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7455 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7456 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7457 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7458 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7459 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7460 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7461 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7462 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7463 into separate files.
7464 (DEF_GOMP_BUILTIN): New.
7465 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7466 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7467 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7468 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7469 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7470 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7471 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7472 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7473 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7474 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7475 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7476 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7477 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7478 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7479 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7480 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7481 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7482 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7483 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7484 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7485 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7486 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7487 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7488 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7489 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7490 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7491 * sync-builtins.def: New file, moved from builtins.def.
7492 * omp-builtins.def: New file, moved from builtins.def.
7493 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7494 * gimple-low.c (lower_function_body): Clear data.
7495 (lower_stmt): Do not handle COMPOUND_EXPR.
7496 Remove call to print_node_brief.
7497 * c-tree.h (c_finish_omp_clauses): New prototype.
7498 (C_DECL_THREADPRIVATE_P): Define.
7499 (lookup_name_no_remap, c_omp_remap_private): Remove
7500 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7501 (check_for_loop_decls): Update decl.
7502 (lookup_name_no_remap, c_omp_remap_private): Declare.
7503 (build_indirect_ref, build_modify_expr, pushdecl,
7504 pushdecl_top_level): Move to c-common.h.
7505 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7506 before the switch, but just in the 2 places that need it.
7507 * c-decl.c (diagnose_mismatched_decls): Do not check for
7508 mismatched thread-local attributes when OLDDECL is marked
7509 threadprivate and NEWDECL has no thread-local attributes.
7510 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7511 (c_gimple_diagnostics_recursively): Rename from
7512 c_warn_unused_result_recursively. Invoke
7513 diagnose_omp_structured_block_errors.
7514 (check_for_loop_decls): Return a singular decl found.
7515 * langhooks.c (lhd_omp_predetermined_sharing): Return
7516 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7517 (lhd_omp_firstprivatize_type_sizes): New.
7518 (lhd_omp_assignment): New.
7519 (lhd_omp_predetermined_sharing): New.
7520 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7521 (struct lang_hooks_for_types): Add
7522 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7523 omp_predetermined_sharing, omp_disregard_value_expr,
7524 omp_private_debug_clause, omp_clause_default_ctor,
7525 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7526 (c_finish_omp_clauses): New.
7527 (c_finish_bc_stmt): Diagnose break within omp for.
7528 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7529 (build_unary_op): Return error_mark after reporting
7531 (build_modify_expr): Likewise.
7532 * gimplify.c: Include optabs.h and pointer-set.h.
7533 (enum gimplify_omp_var_data): Declare.
7534 (struct gimplify_omp_ctx): Declare.
7535 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7537 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7538 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7539 (splay_tree_compare_decl_uid): New.
7540 (new_omp_context): New.
7541 (delete_omp_context): New.
7542 (gimple_add_tmp_var): Call omp_add_variable.
7543 (gimplify_bind_expr): Likewise.
7544 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7545 true, disregard DECL_VALUE_EXPR on the decl if any.
7546 (gimplify_expr_in_ctx): New.
7547 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7548 omp_add_variable, omp_notice_variable, omp_is_private
7549 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7550 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7551 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7552 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7553 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7554 gimplify_omp_atomic): New.
7555 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7556 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7557 OMP_CRITICAL and OMP_ATOMIC.
7558 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7559 * c-pragma.h (enum pragma_kind): Add
7560 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7561 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7562 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7563 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7564 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7565 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7566 PRAGMA_OMP_THREADPRIVATE.
7567 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7568 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7569 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7570 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7571 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7572 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7573 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7574 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7575 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7576 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7577 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7578 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7579 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
7581 (struct nesting_info): Add field_map,
7582 suppress_expansion, debug_var_chain.
7583 (create_nesting_tree): Initialize them.
7584 (lookup_field_for_decl): Use field_map.
7585 (get_nonlocal_debug_decl, get_local_debug_decl): New.
7586 (convert_local_omp_clauses): New.
7587 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
7588 (walk_body): Split out of walk_function.
7589 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
7590 (convert_nonlocal_reference): Handle omp statements.
7591 (convert_local_reference): Likewise.
7592 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
7593 (unnest_nesting_tree): New.
7594 (lower_nested_functions): Call it.
7595 (insert_field_into_struct): Make extern.
7596 (struct walk_stmt_info): Move to tree-gimple.h.
7597 (walk_stmts): Make extern.
7598 * omp-builtins.def: New file.
7599 * tree-iterator.c (expr_only): Clarify comment.
7600 * c-common.h (pushdecl_top_level, pushdecl,
7601 build_modify_expr, build_indirect_ref,
7602 c_finish_omp_master, c_finish_omp_critical,
7603 c_finish_omp_ordered, c_finish_omp_barrier,
7604 c_finish_omp_atomic, c_finish_omp_flush,
7605 c_finish_omp_for, c_split_parallel_clauses,
7606 omp_clause_default_kind, c_omp_sharing_predetermined,
7607 c_omp_remap_decl): Declare.
7608 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
7609 (OBJS-common): Add omp-low.o.
7610 (c-omp.o, omp-low.o): Add.
7611 (gimplify.o): Add dependency on $(OPTABS_H).
7612 (GTFILES): Add omp-low.c.
7613 (gt-stringpool.h): Add.
7614 * tree-cfg.c (set_bb_for_stmt): Do not update the
7615 block-to-labels map if we are currently expanding to RTL.
7616 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
7618 Handle IDENTIFIER_NODE.
7619 (tree_verify_flow_info): Do not ICE when emitting error
7620 messages about invalid labels.
7621 (dump_function_to_file): Reset CFUN before emitting the body
7623 (debug_function): New.
7624 * passes.c (init_optimization_passes): Schedule
7626 * langhooks-def.h (lhd_omp_predetermined_sharing,
7627 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
7629 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
7630 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
7631 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
7632 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
7633 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
7634 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
7635 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
7636 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
7637 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
7638 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
7639 (LANG_HOOK_DECLS): Use them.
7641 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
7642 Richard Henderson <rth@redhat.com>
7643 Jakub Jelinek <jakub@redhat.com>
7644 Diego Novillo <dnovillo@redhat.com>
7646 * c-parser.c (pragma_omp_clause): Define.
7647 (c_parser_declaration_or_fndef): Document OpenMP syntax.
7648 (c_parser_compound_statement): Likewise.
7649 (c_parser_statement): Likewise.
7650 (c_parser_pragma): Handle omp pragmas.
7651 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
7652 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
7653 (c_parser_omp_clause_name, check_no_duplicate_clause,
7654 c_parser_omp_variable_list,
7655 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
7656 c_parser_omp_clause_copyprivate,
7657 c_parser_omp_clause_default,
7658 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
7659 c_parser_omp_clause_lastprivate,
7660 c_parser_omp_clause_nowait,
7661 c_parser_omp_clause_num_threads,
7662 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
7663 c_parser_omp_clause_reduction,
7664 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7665 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7666 c_parser_omp_atomic, c_parser_omp_barrier,
7667 c_parser_omp_critical, c_parser_omp_flush,
7668 c_parser_omp_for_loop, c_parser_omp_for,
7669 c_parser_omp_master, c_parser_omp_ordered,
7670 c_parser_omp_sections_scope, c_parser_omp_sections,
7671 c_parser_omp_parallel, c_parser_omp_single,
7672 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7673 * c-pragma.c (init_pragma): Do omp pragma registration here.
7674 * c.opt (fopenmp): New flag.
7676 2006-01-18 Eric Christopher <echristo@apple.com>
7678 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7679 * config/darwin.h (GOMP_SELF_SPECS): Define.
7681 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7683 * rtl.h: Remove the prototype for reg_alloc.
7685 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7688 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7689 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7690 sjlj and dwarf2 exception handling.
7691 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7692 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7693 * pa/pa.c (function_value): Treat complex and vector types as
7695 (function_arg): Likewise. Only pass scalar floats in the floating
7696 point argument registers.
7697 * pa/t-slibgcc-dwarf-ver: New file.
7698 * pa/t-slibgcc-sjlj-ver: New file.
7699 * pa/t-slibgcc-elf-ver: Delete file.
7701 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7703 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7704 unlikely_test_section_p test.
7706 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7708 * mode-switching.c (optimize_mode_switching): Make it static.
7709 * basic-block.h: Remove the prototype for
7710 optimize_mode_switching.
7712 * modulo-sched.c (sms_schedule): Make it static.
7713 * rtl.h: Remove the prototype for sms_schedule.
7715 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7716 * rtl.h: Remove the prototype for gcse_after_reload_main.
7718 * reg-stack.c (reg_to_stack): Make it static.
7719 * rtl.h: Remove the prototype for reg_to_stack.
7721 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7723 * rtl.h: Remove the prototypes for regrename_optimize and
7724 copyprop_hardreg_forward.
7726 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
7728 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
7729 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
7730 Test against the appropriate null constant for the mode.
7731 If 'fixup_overlap' is true, swap the operands if they overlap.
7732 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
7733 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
7734 alpha_split_tmode_pair and adjust for above change.
7735 * config/alpha/alpha.md (movtf_internal): Adjust call to
7736 alpha_split_tfmode_pair and rely on it to swap the operands.
7737 (movti_internal): New insn and post-reload splitter.
7738 (movti): New expander.
7740 2006-01-18 Philippe De Muyter <phdm@macqel.be>
7742 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
7745 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7747 * rtlanal.c (global_reg_mentioned_p_1,
7748 global_reg_mentioned_p): Remove.
7749 * rtl.h: Remove the prototype for global_reg_mentioned_p.
7751 * flow.c (initialize_uninitialized_subregs): Make it static.
7752 * rtl.h: Remove the prototype for
7753 initialize_uninitialized_subregs.
7755 * function.c (instantiate_virtual_regs): Make it static.
7756 * function.h: Remove the prototype for
7757 instantiate_virtual_regs.
7759 * regmove.c (regmove_optimize, combine_stack_adjustments):
7761 * rtl.h: Remove the prototypes for regmove_optimize and
7762 combine_stack_adjustments.
7764 2006-01-17 Roger Sayle <roger@eyesopen.com>
7766 * config/i386/i386.c (COSTS_N_BYTES): New macro.
7767 (size_cost): Encode costs in bytes so that a reg-reg addition is
7768 equivalent to COSTS_N_INSNS(1).
7769 (override_options): Use the size_cost.branch_cost as the default
7770 ix86_branch_cost when optimizing for size.
7772 2006-01-18 Ben Elliston <bje@au.ibm.com>
7774 * Makefile.in (D32PBIT_FUNCS): New.
7775 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
7776 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
7777 D64PBIT_FUNCS and D128PBIT_FUNCS.
7778 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
7779 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
7781 (decnumber_dep): Define.
7782 * doc/libgcc.texi (Decimal float library routines): New node.
7783 * config/dfp-bit.h, config/dfp-bit.c: New files.
7785 2006-01-18 Ben Elliston <bje@au.ibm.com>
7787 * expr.c (emit_move_change_mode): Always adjust addresses, not
7788 just during reload. Copy replacements only during reload.
7789 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
7790 emit_move_via_integer.
7792 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
7794 * Makefile.in (check-%, check-consistency): Use $${srcdir}
7795 instead of $(srcdir) and ${srcdir}.
7797 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
7801 * arm.h (struct machine_function): Add pic_reg.
7802 * arm.c (arm_pic_register): Make unsigned.
7803 (arm_override_options): Only set arm_pic_register if
7804 TARGET_SINGLE_PIC_BASE.
7805 (use_return_insn): Only test for a pic register if it is fixed.
7806 (arm_compute_save_reg0_reg12_mask): Likewise.
7807 (thumb_compute_save_reg_mask): Likewise.
7808 (legitimate_pic_operand): Factor out some known invariants.
7809 (legitimize_pic_address): If we don't have a fixed pic register,
7810 then set up a pseudo in the function entry sequence. Handle the
7811 pic base being in a pseudo.
7812 (arm_load_pic_register): Handle the pic register being in a pseudo.
7813 (arm_expand_prologue): Only set up the pic register if it is fixed.
7814 (thumb_expand_prologue): Likewise.
7815 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
7816 (pic_load_addr_based_insn): Likewise.
7817 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
7820 2006-01-18 Ben Elliston <bje@au.ibm.com>
7822 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
7823 decimal float modes for all floating point registers.
7825 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
7826 match_code "mem" with match_test "macho_lo_sum_memory_operand".
7828 2006-01-17 Jakub Jelinek <jakub@redhat.com>
7831 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
7832 even when the pointer is not NULL.
7834 2006-01-16 Ian Lance Taylor <ian@airs.com>
7836 * common.opt (ftoplevel-reorder): New option.
7837 * cgraph.c (cgraph_asm_nodes): New global variable.
7838 (cgraph_asm_last_node): New static variable.
7839 (cgraph_order): New global variable.
7840 (cgraph_create_node): Set new order field.
7841 (cgraph_varpool_node): Likewise.
7842 (decide_is_variable_needed): Return true if not
7843 flag_toplevel_reorder.
7844 (cgraph_add_asm_node): New function.
7845 * cgraph.h (struct cgraph_node): Add order field.
7846 (struct cgraph_varpool_node): Add order field.
7847 (struct cgraph_asm_node): Define.
7848 (cgraph_asm_nodes, cgraph_order): Declare.
7849 (cgraph_add_asm_node): Declare.
7850 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
7852 (cgraph_varpool_assemble_pending_decls): Call it.
7853 (cgraph_output_pending_asms): New static function.
7854 (cgraph_finalize_compilation_unit): Call it.
7855 (struct cgraph_order_sort): Define.
7856 (cgraph_output_in_order): New static function.
7857 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
7858 !flag_toplevel_reorder case.
7859 * c-parser.c: Include "cgraph.h".
7860 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
7862 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
7863 than -fno-unit-at-a-time.
7864 * doc/invoke.texi (Option Summary): Mention
7865 -fno-toplevel-reorder.
7866 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
7867 -funit-at-a-time documentation.
7869 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
7870 Kazu Hirata <kazu@codesourcery.com>
7872 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
7874 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
7876 * Makefile.in (FUNCTION_H): New. Use it instead of
7877 function.h throughout the file.
7878 * function.h: Include tree.h.
7880 2006-01-17 Ben Elliston <bje@au.ibm.com>
7882 * recog.c: Separate some functions with whitespace.
7884 2006-01-16 Richard Henderson <rth@redhat.com>
7886 Merge from gomp branch:
7887 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
7888 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
7889 and rename from struct inline_data. Rename callee* to dst*;
7890 caller* to src*; add copy_decl hook, transform_call_graph_edges,
7891 transform_new_cfg, transform_return_to_modify, and
7892 transform_lang_insert_block flags; remove cloning_p, versioning_p,
7894 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
7895 (copy_decl_for_dup): Remove.
7896 * tree-inline.c (struct inline_data): Move to header.
7897 (insert_decl_map): Export.
7898 (remap_decl): Update for member name changes. Use copy_decl hook.
7899 Allow for replacement to be a non-decl. Remove dead code.
7900 (remap_type_1): Check for existing mapping.
7901 (remap_type): Export.
7902 (remap_decls): Update for member name changes.
7903 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
7904 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
7905 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
7906 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
7907 (tree_function_versioning, build_duplicate_type): Likewise.
7908 (copy_body_r): Likewise. Export.
7909 (copy_decl_for_dup): Split into ...
7910 (copy_decl_for_dup_finish, copy_decl_to_var,
7911 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
7912 (replace_ref_tree, inlining_p): Remove.
7914 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7916 * ifcvt.c (if_convert): Make it static.
7917 * rtl.h: Remove the prototype for if_convert.
7919 * local-alloc.c (local_alloc): Make it static.
7920 * rtl.h: Remove the prototype for local_alloc.
7922 * loop.c (loop_optimize): Make it static.
7923 * cfgloop.h: Remove the prototype for loop_optimize.
7926 2006-01-16 DJ Delorie <dj@redhat.com>
7928 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
7931 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7933 * pa.md: Disparage copies between general and floating-point registers
7934 in 32-bit move patterns.
7936 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
7939 * Makefile.in (check-%): Depend on site.exp instead of
7940 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
7943 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7945 * global.c (global_alloc): Make it static.
7946 * rtl.h: Remove the prototype for global_alloc.
7948 2006-01-16 Richard Guenther <rguenther@suse.de>
7950 * tree-ssa-alias.c (struct used_part): Add write_only field.
7951 (get_or_create_used_part_for): Initialize it to true.
7952 (create_overlap_variables_for): Don't create structure variables
7953 for structures that only are written to.
7954 (find_used_portions): Handle MODIFY_EXPR to track whether a
7955 structure is only written to.
7957 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7959 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
7961 * basic-block.h: Remove the prototype for
7962 partition_hot_cold_basic_blocks.
7964 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
7966 * cppspec.c (lang_specific_spec_functions): Remove.
7967 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
7968 * gcc.h (lang_specific_spec_functions): Remove.
7969 * gccspec.c (lang_specific_spec_functions): Remove.
7971 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
7973 * combine.c (record_value_for_reg): Invalidate registers
7975 (record_dead_and_set_regs_1): Likewise, by passing them to
7976 record_value_for_reg.
7977 (record_dead_and_set_regs): Invalidate stores made by a
7978 call. We do not combine across a call, but we still
7979 relied on equivalences.
7981 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7983 * tree-vrp.c (extract_range_from_binary_expr): Cope with
7984 vrp_int_const_binop returning non-constant nodes.
7986 2006-01-16 Paul Brook <paul@codesourcery.com>
7988 * config/m68k/m68k.c (output_move_const_into_data_reg):
7989 Output correct mnemonic for mvz and mvs.
7991 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
7993 * rtl-factoring.c: Add sequence abstraction algorithm.
7994 * cfgcleanup.c (outgoing_edges_match): Extra checks.
7995 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
7997 (block_has_preserve_label): New function.
7998 * common.opt: Register new pass.
7999 * Makefile.in: Ditto.
8001 * timevar.def: Ditto.
8002 * tree-pass.h: Ditto.
8003 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
8004 * rtl.h (make_jump_insn_raw): Add forward decl.
8005 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
8007 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
8008 Roger Sayle <roger@eyesopen.com>
8010 * fold-const.c (fold_minmax): New static function.
8011 (fold_binary) <MIN_EXPR>: Call it.
8012 <MAX_EXPR>: Likewise.
8013 * stor-layout.c (place_field): Use DECL_SIZE consistently
8014 in the computation of the new record size.
8016 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
8018 * cse.c (cse_condition_code_reg): Make it static.
8019 * rtl.h: Remove the prototype for cse_condition_code_reg.
8021 * combine.c (combine_instructions): Make it static.
8022 * rtl.h: Remove the prototype for combine_instructions.
8024 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8027 * tree.c (get_file_function_name_long): Concatenate the first global
8028 object name with a string derived from the input filename of the object
8031 2006-01-16 Ben Elliston <bje@au.ibm.com>
8033 * config/i386/winnt-stubs.c: Update FSF address.
8034 * config/xtensa/ieee754-df.S: Ditto.
8035 * config/xtensa/ieee754-sf.S: Ditto.
8037 2006-01-14 Ian Lance Taylor <ian@airs.com>
8039 * ifcvt.c (noce_init_if_info): New static function, broken out of
8040 noce_process_if_block.
8041 (noce_process_if_block): Call noce_init_if_info.
8042 (check_cond_move_block): New static function.
8043 (cond_move_process_if_block): New static function.
8044 (process_if_block): Call cond_move_process_if_block.
8046 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
8048 * cselib.c (hash_table): Rename to cselib_hash_table.
8049 (cselib_clear_table, discard_useless_values,
8050 remove_useless_values, cselib_lookup_mem, cselib_lookup,
8051 cselib_init, cselib_finish): Adjust uses of hash_table.
8053 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
8055 PR tree-optimization/25485
8056 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
8057 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
8058 is known to be false and true, respectively.
8060 2006-01-14 Richard Guenther <rguenther@suse.de>
8062 PR tree-optimization/22548
8063 PR tree-optimization/22555
8064 PR tree-optimization/22501
8065 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
8066 * params.def (salias-max-array-elements): New parameter.
8067 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
8068 * doc/invoke.texi (salias-max-array-elements): Document.
8069 * tree-flow-inline.h (var_can_have_subvars): We also handle
8071 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
8073 * tree-ssa-structalias.c (params.h): Include.
8074 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
8075 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
8076 (get_constraint_for): For ADDR_EXPR operating on something
8077 containing an ARRAY_REF, add all subvars to the solution.
8078 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
8079 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
8080 for creating MUST_DEFs.
8081 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
8083 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
8085 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
8087 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
8088 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8089 number_of_iterations_le): New functions.
8090 (number_of_iterations_special): Removed.
8091 (number_of_iterations_exit): Do not use number_of_iterations_special.
8092 * tree.c (unsigned_type_for): Always return integer type.
8094 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
8095 Richard Guenther <rguenther@suse.de>
8097 PR rtl-optimization/24257
8098 * gcse.c (find_moveable_store): Only consider a store movable
8099 when the SET_SRC of the insn can be assigned to a register.
8101 2006-01-14 Ian Lance Taylor <ian@airs.com>
8103 * tree.c (tree_not_class_check_failed): New function.
8104 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
8105 (tree_not_class_check_failed): Declare.
8107 2006-01-13 Ian Lance Taylor <ian@airs.com>
8109 * reload1.c (do_output_reload): Add assertion rejecting a
8112 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
8114 * combine.c (struct reg_stat): Add new fields truncation_label and
8116 (record_value_for_reg): Reset truncated_to_mode.
8117 (record_truncated_value): New function.
8118 (check_promoted_subreg): Call it. Rename to check_conversions.
8119 (combine_instructions): Rename check_promoted_subreg to
8121 (reg_truncated_to_mode): New function.
8122 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
8123 (gen_lowpart_or_truncate): New function.
8124 (force_to_mode): Use it instead of gen_lowpart.
8126 2006-01-13 Diego Novillo <dnovillo@redhat.com>
8128 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
8129 VAR is a tag, not its type tag.
8131 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
8133 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
8134 alternatives to match style of other entries.
8135 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
8137 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
8139 PR tree-optimization/25771
8140 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
8143 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
8146 * tree-inline.c (declare_return_variable): If the return variable
8147 was marked as a non gimple complex, set the return slot variable
8148 to be a non gimple comple variable.
8150 2006-01-13 Richard Guenther <rguenther@suse.de>
8152 * builtins.c (expand_builtin_sincos): New function.
8153 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8155 (expand_builtin): Expand sincos using expand_builtin_sincos.
8157 2006-01-12 DJ Delorie <dj@redhat.com>
8159 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8160 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8161 so that constant shifts can be split.
8162 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8163 (m32c_valid_pointer_mode): Make static.
8164 (shift_gen_func_for): New.
8165 (m32c_prepare_shift): Use it. Split large const shifts into
8167 * config/m32c/predicates.md (shiftcount_operand): Allow more
8169 (longshiftcount_operand): New.
8170 * doc/md.texi (Machine Constraints): Document In6.
8172 2006-01-13 Ben Elliston <bje@au.ibm.com>
8174 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8175 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8178 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8180 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8181 to try to avoid clobbering pieces of structures when we know
8182 something about the whole structure.
8183 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8185 2006-01-13 Ben Elliston <bje@au.ibm.com>
8187 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8188 return in memory, as this is no limitation is no longer present.
8190 2006-01-12 DJ Delorie <dj@redhat.com>
8192 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8193 mova with fb, and for fb+0 -> An.
8195 * config/m32c/mov.md (peephole2): Fix enabling logic.
8197 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8198 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8199 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8200 FINI_ARRAY_SECTION_ASM_OP): Define.
8202 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8204 (m32c_legitimize_reload_address): New logic to reload FB to An.
8205 (m32c_output_reg_push): Add newline.
8206 (m32c_output_reg_pop): Likewise.
8208 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8210 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8212 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8214 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8216 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8218 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8221 2006-01-11 Ben Elliston <bje@au.ibm.com>
8223 * rtlanal.c (find_reg_note): Assert insn is not null.
8225 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8227 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8230 2006-01-11 Jeff Law <law@redhat.com>
8232 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8234 (mark_threaded_blocks, register_jump_thread): New functions.
8235 (thread_through_all_blocks): Remove unwanted argument. No
8236 longer rely on e->aux to communicate thread target info.
8237 Call mark_threaded_blocks. Release the threaded_blocks
8238 bitmap and threaded_edges vector when complete.
8239 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8240 (threaded_blocks): Remove.
8241 (tree_ssa_dominator_optimize): Remove initialization and
8242 finalization of threaded_blocks. Simplify call to
8243 thread_through_all_blocks.
8244 (thread_across_edge): Call register_jump_thread rather than
8245 storing thread information into e->aux.
8246 (free_all_edge_infos): Simplify now that e->aux is no longer
8247 used to communicate with thread_through_all_blocks.
8248 * tree-flow.h (thread_through_all_blocks): Update prototype.
8249 (register_jump_thread): Prototype.
8251 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8253 * df-core.c (df_compact_blocks, df_bb_replace): Use
8254 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8256 2006-01-11 Richard Guenther <rguenther@suse.de>
8258 PR tree-optimization/25734
8259 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8260 stop propagation after successful propagation to the LHS.
8262 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8264 * basic-block.h (control_flow_graph): Change the type of
8265 x_basic_block_info to VEC(basic_block,gc) *.
8266 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8268 (SET_BASIC_BLOCK): New.
8269 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8270 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8271 * cfgbuild.c (find_basic_blocks): Likewise.
8272 * cfglayout.c (fixup_reorder_chain): Likewise.
8273 * cfgrtl.c (create_basic_block_structure,
8274 rtl_create_basic_block): Likewise.
8275 * ifcvt.c (find_if_case_1): Likewise.
8276 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8279 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8281 * Makefile.in: Removed rotted odf.c entry.
8283 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8286 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8287 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8288 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8289 output pattern modifier, not %e.
8290 * config/cris/cris.c (cris_op_str): Update comment about pattern
8292 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8293 before falling through into...
8294 <case 'E'>: Redefined from old 'e' case.
8296 2006-01-11 Jan Hubicka <jh@suse.cz>
8299 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8301 2006-01-11 Jan Hubicka <jh@suse.cz>
8303 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8304 * i386.c (x86_decompose_lea): Kill.
8305 (ix86_rtx_costs): Kill.
8307 2006-01-11 Jan Hubicka <jh@suse.cz>
8309 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8310 * cgraph.h (cgraph_node): Add inline_decl.
8311 (cgraph_insert_node_to_hashtable): Declare.
8312 (save_inline_function_body): Declare.
8313 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8315 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8316 (cgraph_function_versioning): Update call of tree_function_versioning.
8317 (save_inline_function_body): New function.
8318 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8319 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8320 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8321 (cgraph_default_inline_p): Likewise.
8322 (cgraph_decide_inlining_incrementally): Likewise.
8323 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8324 (copy_bb): Kill saving; do updating of clones.
8325 (copy_cfg_body): Kill saving.
8326 (initialize_inlined-parameters): Likewise.
8327 (expand_call_inline): Likewise.
8329 (tree_function_versioning): New parameter "update_clones".
8330 (inlining_p): Kill saving.
8331 * tree-inline.h (tree_function_versioning): Update prototype.
8332 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8335 2006-01-11 Ian Lance Taylor <ian@airs.com>
8337 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8338 Allow undoing set of machine mode.
8339 (do_SUBST): Use enums instead of is_int.
8340 (do_SUBST_MODE): New function.
8341 (SUBST_MODE): New macro.
8342 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8343 reg and trying to replace reg_regno_rtx with a new register.
8344 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8345 (simplify_set): Use SUBST_MODE.
8346 (distribute_notes): Remove code that tried to update reg notes
8347 for regno_reg_rtx changes.
8349 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8351 PR tree-optimization/23109
8352 PR tree-optimization/23948
8353 PR tree-optimization/24123
8355 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8356 * tree-cfg.c (single_noncomplex_succ): New.
8357 * tree-flow.h (single_noncomplex_succ): Declare it.
8358 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8359 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8360 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8361 insert_bb, register_division_in, insert_reciprocals,
8362 replace_reciprocal, free_bb): New.
8363 (execute_cse_reciprocals_1): Rewritten.
8364 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8365 Do not commit any edge insertion. Always compute dominators and
8366 create the allocation pool.
8367 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8368 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8369 * targhooks.c (default_min_divistions_for_recip_mul): New.
8370 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8371 * passes.c (init_optimization_passes): Run recip after tree loop
8373 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8375 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8376 Kenneth Zadeck <zadeck@naturalbridge.com>
8378 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8379 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8380 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8381 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8382 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8383 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8384 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8385 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8386 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8387 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8388 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8389 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8390 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8391 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8392 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8393 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8394 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8395 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8396 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8397 DF_SCAN_POST_ALLOC): New macros.
8398 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8399 df_free_bb_function, df_local_compute_function, df_init_function,
8400 df_dataflow_function, df_confluence_function_0,
8401 df_confluence_function_n, df_transfer_function,
8402 df_finalizer_function, df_free_function, df_dump_problem_function,
8403 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8404 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8405 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8406 df_urec_bb_info, ) New types.
8407 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8409 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8410 df_analyze_simple_change_some_blocks,
8411 df_analyze_simple_change_one_block, df_compact_blocks,
8412 df_bb_replace, df_bb_regno_last_use_find,
8413 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8414 df_insn_regno_def_p, df_find_def, df_find_use,
8415 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8416 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8417 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8418 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8419 debug_df_chain, df_get_dependent_problem, df_chain_create,
8420 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8421 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8422 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8423 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8424 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8425 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8426 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8427 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8428 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8429 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8430 df_reorganize_refs, df_set_state, df_hard_reg_init,
8431 df_read_modify_subreg_p) New public functions.
8432 * df-core.c: The core dataflow solver and glue routines for rtl
8434 (df_init, df_add_problem, df_set_blocks, df_finish,
8435 df_hybrid_search_forward, df_hybrid_search_backward,
8436 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8437 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8438 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8439 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8440 df_reg_defined, df_find_use, df_reg_used, df_dump,
8441 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8442 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8443 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8444 debug_df_useno, reset_df_after_reload): New functions.
8445 * df-scan.c: The scanning fuctions, once in df.c, completely
8446 rewritten so that they now fully model the functionality of
8447 register usage at the backend.
8448 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8449 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8450 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8451 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8452 df_get_artificial_defs, df_get_artificial_uses,
8453 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8454 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8455 df_refs_delete, df_reorganize_refs, df_set_state,
8456 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8457 df_def_record_1, df_defs_record, df_uses_record,
8458 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8459 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8460 df_record_exit_block_uses, df_hard_reg_init): New functions.
8462 * df-problems.c: Seven concrete dataflow problems that use the
8463 scanning in df-scan.c and are solved by the engine in df-core.c.
8464 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8465 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8466 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8467 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8468 df_ru_free_bb_info, df_ru_alloc,
8469 df_ru_bb_local_compute_process_def,
8470 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8471 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8472 df_ru_transfer_function, df_ru_free, df_ru_dump,
8473 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8474 df_rd_free_bb_info, df_rd_alloc,
8475 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8476 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8477 df_rd_transfer_function, df_rd_free, df_rd_dump,
8478 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8479 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8480 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8481 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8482 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8483 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8484 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8485 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8486 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8487 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8488 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8489 df_urec_mark_reg_use_for_earlyclobber,
8490 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8491 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8492 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8493 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8494 df_chain_create_bb_process_use, df_chain_create_bb,
8495 df_chain_finalize, df_chain_free, df_chains_dump,
8496 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8497 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8498 df_reg_lifetime): New functions.
8499 * df.c: Deleted file.
8500 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8501 consistent with new df api.
8502 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8503 rest_of_handle_sms): Ditto.
8504 * web.c (unionfind_union, union_defs, entry_register, web_main):
8506 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8507 invariant_expr_equal_p, find_defs, check_dependencies,
8508 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8509 free_inv_motion_data, move_loop_invariants): Ditto.
8510 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8511 Update dependencies.
8512 (odf.c): Added defective entry that was deleted later in day.
8513 * sched-deps.c (sched_analyze_1): Ditto.
8515 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8517 * tree-ssa-operands.c (get_expr_operands): Record addressable
8518 variables directly. Do not call add_stmt_operands for CONST_DECLs
8520 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8521 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8523 2006-01-11 Ben Elliston <bje@au.ibm.com>
8525 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8526 function returns true in the positive case.
8528 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8531 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8532 for SI, DI, SF and DF modes. Add alternatives to copy between
8533 general and floating point registers to the 32-bit patterns.
8534 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8535 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8536 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8537 generating 64-bit code.
8538 * config/pa/pa.c (output_move_double): Handle copies between general
8539 and floating registers.
8541 2006-01-10 Stuart Hastings <stuart@apple.com>
8543 * config/i386/i386.md (set_got): Update.
8544 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8545 (builtin_setjmp_receiver): Mach-O support.
8546 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8547 (GOT_SYMBOL_NAME): Define.
8548 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8549 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8550 * config/i386/i386.c (override_options): Revise for Darwin.
8551 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8552 support. (darwin_x86_file_end): New. (output_set_got): Add label
8553 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8554 * config/i386/i386-protos.h (output_set_got): Likewise.
8555 * config/darwin.c (machopic_legitimize_pic_address): Update
8558 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8560 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8561 when MODE isn't BLKmode.
8563 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8565 PR rtl-optimization/25367
8566 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8568 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8571 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8572 for a negative bound.
8574 2006-01-10 Richard Guenther <rguenther@suse.de>
8576 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8577 Never override with anything constraint.
8579 2006-01-10 Jan Beulich <jbeulich@novell.com>
8581 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
8582 256 bits when optimize_size.
8584 2006-01-10 Jan Beulich <jbeulich@novell.com>
8586 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
8588 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
8589 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
8592 2006-01-10 Ben Elliston <bje@au.ibm.com>
8594 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
8596 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
8597 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8598 (USE_FP_FOR_ARG): Reject decimal float modes.
8599 (function_arg_advance): Likewise.
8600 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
8601 (rs6000_handle_altivec_attribute): Do not permit decimal floating
8602 point types in AltiVec vectors.
8603 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
8604 (rs6000_libcall_value): Likewise.
8606 2006-01-09 Bob Wilson <bob.wilson@acm.org>
8608 * config/xtensa/ieee754-df.S: New file.
8609 * config/xtensa/ieee754-sf.S: New file.
8610 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
8611 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
8612 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
8614 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8616 * config/sh/predicates.md (binary_float_operator,
8617 binary_logical_operator, commutative_float_operator,
8618 equality_comparison_operator, greater_comparison_operator,
8619 less_comparison_operator, logical_operator,
8620 noncommutative_float_operator, shift_operator,
8621 symbol_ref_operand, unary_float_operator): Remove redundant
8624 2006-01-09 Jeff Law <law@redhat.com>
8626 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
8627 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
8628 now unused arguments. Callers updated.
8629 (eliminate_redundant_computations): Remove now unused arguments,
8631 (local_fold): Remove, no longer used.
8632 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
8634 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
8635 (simplify_cond): New function.
8636 (forward_propagate_into_cond): Call simplify_cond.
8638 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
8640 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
8641 (*vec_extractv2di_1_sse): New.
8643 2006-01-09 Ben Elliston <bje@au.ibm.com>
8645 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
8647 2006-01-08 Richard Guenther <rguenther@suse.de>
8649 * tree-ssa-structalias.c (get_constraint_for): Remove
8651 (get_constraint_for_component_ref): Likewise.
8652 (do_deref): Likewise.
8653 (get_constraint_for): Likewise.
8654 (do_structure_copy): Likewise.
8655 (handle_ptr_arith): Likewise.
8656 (find_func_aliases): Likewise. Remove unused need_anyoffset
8659 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
8660 Kaz Kojima <kkojima@gcc.gnu.org>
8662 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
8663 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8664 (EXTRA_CONSTRAINT_C16): Remove.
8665 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8666 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8667 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8668 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8669 constants of SHmedia. Handle nested constant expressions of
8671 (andcosts): Fix the costs for SHmedia constants.
8672 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8673 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8674 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8675 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8676 (movv4hi_i, movv2si_i): Likewise.
8677 (movsi_const): Adjust the second operand of ior so to match with
8679 (movdi_const, movdi_const_32bit): Likewise.
8680 (movdi_const_16bit+1): Don't sign-extend LOW.
8681 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8683 (*double_shori): Fix the split condition. Use GEN_INT instead
8684 of get_int_mode calls. Mask lower 16-bit of the argument of
8686 (sym2GOTPLT): Remove.
8687 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8689 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8690 instead of EXTRA_CONSTRAINT_C16.
8692 2006-01-07 Ian Lance Taylor <ian@airs.com>
8693 David Edelsohn <edelsohn@gnu.org>
8695 PR rtl-optimization/25662
8696 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8697 for constant operands instead of simplify_gen_binary.
8698 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8699 after trying simplify_binary_operation
8701 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8703 * tree.c (iterative_hash_expr): Hash decls based on UID.
8705 2006-01-06 Eric Christopher <echristo@apple.com>
8707 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8708 (TARGET_UNWIND_EMIT): Fix spelling.
8709 * target.h (gcc_target): Add except_table_label.
8710 * except.c (output_function_exception_table): Use.
8711 * varasm.c (default_emit_except_table_label): New.
8712 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8714 (asm_out): Add here.
8715 * output.h (default_emit_except_table_label): Prototype.
8716 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8717 * config/darwin.c (darwin_emit_except_table_label): Define.
8718 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8720 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8722 PR tree-optimization/18527
8723 * tree-ssa-loop-niter.c (number_of_iterations_cond,
8724 number_of_iterations_special, number_of_iterations_exit):
8725 Move base and step of an iv to a single structure. Add
8726 no_overflow flag, and use it in # of iterations analysis.
8727 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
8728 folded_casts argument.
8729 (simple_iv): Pass base and step in a structure. Set no_overflow
8731 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
8732 Evaluate expensiveness of computing # of iterations instead of
8733 the final expression.
8734 * tree-scalar-evolution.h (affine_iv): New structure.
8735 (simple_iv): Declaration changed.
8736 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
8737 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
8738 find_givs_in_stmt): Changed due to simple_iv change.
8740 2006-01-06 Jeff Law <law@redhat.com>
8743 * tree-cfg.c (bsi_replace): Rename final argument from
8744 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
8745 change (stmt -> orig_stmt).
8746 * tree-eh.c (verify_eh_throw_stmt_node): New function.
8747 (bsi_remove): Add new argument. Remove EH information
8749 (verify_eh_throw_table_statements): New function.
8750 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
8752 * tree-optimize.c (execute_free_cfg_annotations): Verify
8753 the EH throw statement table after removing annotations.
8754 * except.h (verify_eh_throw_table_statements): Prototype.
8755 * tree-flow.h (bsi_remove): Update prototype.
8756 * tree-vrp.c (remove_range_assertions): Add new argument to
8758 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
8759 * tree-complex.c (expand_complex_div_wide): Likewise.
8760 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
8761 * tree-tailcall.c (eliminate_tailcall): Likewise.
8762 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8763 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8764 * tree-nrv.c (tree_nrv): Likewise.
8765 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
8766 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
8767 (combine_blocks): Likewise.
8768 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
8769 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
8770 (cleanup_control_flow): Likewise.
8771 (remove_forwarder_block): Likewise.
8772 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8773 * tree-sra.c (sra_replace): Likewise.
8774 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
8775 (forward_propagate_single_use_vars): Likewise.
8776 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
8777 * tree-inline.c (expand_call_inline): Likewise.
8778 * tree-vect-transform.c (vect_transform_loop): Likewise.
8779 * tree-outof-ssa.c (rewrite_trees): Likewise.
8780 * tree-cfg.c (make_goto_expr_edges): Likewise.
8781 (cleanup_dead_labels): Likewise.
8782 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
8783 (bsi_move_before, bsi_move_after): Likewise.
8784 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
8785 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
8787 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
8790 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
8792 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
8793 on non gimple variables. Also add checks at the top for decls and
8795 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
8797 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
8798 and IMAGPART_EXPR for creating MUST_DEFs.
8799 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
8800 and NAME_MEMORY_TAG separately from the DECLs.
8802 2006-01-06 Richard Guenther <rguenther@suse.de>
8804 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
8805 annotation, if necessary.
8806 * tree-ssa-pre.c (create_expression_by_pieces): Remove
8807 redundant calls to update_stmt.
8808 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
8811 2006-01-05 Richard Henderson <rth@redhat.com>
8813 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
8815 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8817 * c-typeck.c: Update copyright date.
8819 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8821 * c-typeck.c (build_c_cast): Always warn when casting
8822 from a pointer to an integer of different size, even if
8823 the node was constant.
8825 2006-01-05 Richard Guenther <rguenther@suse.de>
8827 PR tree-optimization/22555
8828 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
8829 if one structure field is an array.
8830 * tree-ssa-operands.c (get_expr_operands): Continue scanning
8831 operands even if we found a subvar, but ignore VOPs in this
8833 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
8835 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
8837 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
8840 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
8842 2006-01-05 Richard Guenther <rguenther@suse.de>
8843 Diego Novillo <dnovillo@redhat.com>
8845 * tree-pass.h (TODO_remove_unused_locals): Define.
8846 * gimple-low.c (expand_var_p, remove_useless_vars,
8847 pass_remove_useless_vars): Remove. Update all users.
8848 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
8849 (remove_unused_locals): New function.
8850 * tree-flow.h (remove_unused_locals): Declare.
8851 * passes.c (execute_todo): Call remove_unused_locals if
8852 TODO_remove_unused_locals is set.
8853 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
8854 * tree-ssa-dce.c (pass_dce): Likewise.
8855 * tree-outof-ssa.c (pass_del_ssa): Likewise.
8857 2006-01-05 Richard Guenther <rguenther@suse.de>
8859 * tree-flow.h (struct fieldoff): Decompose field to
8860 type, size and decl.
8861 * tree-ssa-alias.c (create_sft): Take type as parameter.
8862 (create_overlap_variables_for): Store type, size and decl
8863 in the fieldoff structure.
8864 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
8866 (push_fields_onto_fieldstack): Likewise.
8867 (create_variable_info_for): Likewise. Use offset for the
8868 SFT name if the decl is not available.
8870 2006-01-04 Paul Brook <paul@codesourcery.com>
8872 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
8874 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
8876 * lambda-code.c (can_put_in_inner_loop): Relax
8878 (can_put_after_inner_loop): New function.
8879 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
8880 (perfect_nestify): Change to make copies and modify uses.
8882 2006-01-04 Richard Henderson <rth@redhat.com>
8884 Merge from gomp branch:
8885 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
8886 via integer constant.
8887 (pragma_lex): Remove.
8888 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
8889 rather than parsing it.
8890 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
8891 handle_pragma_extern_prefix): Add %< %> quotes.
8892 (registered_pragmas): New.
8893 (c_register_pragma_1): New.
8894 (c_register_pragma): Use it.
8895 (c_register_pragma_with_expansion): Likewise.
8896 (c_invoke_pragma_handler): New.
8897 (init_pragma): Use cpp_register_deferred_pragma directly for
8899 * c-pragma.h (enum pragma_kind): New.
8900 (pragma_handler): New.
8901 (c_invoke_pragma_handler): Declare.
8902 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
8904 * c-common.h (c_common_pch_pragma): Update decl.
8905 * Makefile.in (c-parser.o): Update dependencies.
8906 (GTFILES): Add c-pragma.h.
8907 * c-parser.c (struct c_token): Add pragma_kind.
8908 (struct c_parser): Add in_pragma.
8909 (c_lex_one_token): Always initialize keyword and pragma_kind.
8910 Extract data for CPP_PRAGMA.
8911 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
8912 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
8913 Don't allow CPP_PRAGMA_EOL if in_pragma.
8914 (c_parser_consume_pragma): New.
8915 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
8916 (c_parser_skip_to_end_of_parameter): Likewise.
8917 (c_parser_skip_to_end_of_block_or_statement): Likewise.
8918 (c_parser_skip_to_pragma_eol): New.
8919 (c_parser_external_declaration): Handle CPP_PRAGMA.
8920 (c_parser_compound_statement_nostart): Likewise.
8921 (c_parser_statement_after_labels): Likewise.
8922 (c_parser_pragma): New.
8923 (pragma_lex): Likewise.
8924 (c_parser_pragma_pch_preprocess): New.
8925 (c_parser_new): Merge into ...
8926 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
8928 2006-01-04 Jeff Law <law@redhat.com>
8931 * tree-cfg.c (bsi_replace): Remove the original statement
8932 from the EH throw statement table.
8934 2006-01-04 Jakub Jelinek <jakub@redhat.com>
8936 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
8937 make the prototype extern "C" and add throw ().
8940 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
8941 and pos non-negative and pos + len <= 32.
8942 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
8943 drop pos + len < HOST_BITS_PER_WIDE_INT test.
8944 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
8947 * c-common.c (handle_vector_size_attribute): Reject zero vector size
8948 as well as sizes not multiple of component size.
8951 * function.c (instantiate_expr): New function.
8952 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
8953 walk its DECL_VALUE_EXPR with instantiate_expr.
8955 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
8956 DW_OP_deref{,_size} if address isn't going to be added.
8958 2006-01-04 Ben Elliston <bje@au.ibm.com>
8960 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
8961 * config/fp-bit.c: Likewise.
8963 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
8965 * dominance.c: Add comment about why we use DFS numbering
8968 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8969 Richard Henderson <rth@redhat.com>
8971 Merge from gomp-branch:
8972 * varasm.c (assemble_variable): Handle thread-local COMMON data.
8973 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
8975 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
8977 PR rtl-optimization/25578
8978 * combine.c (combine_simplify_rtx, force_to_mode): Don't
8979 pass a parameter to simplify_shift_const if changing ASHIFTRT
8982 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
8984 * builtins.c (get_builtin_sync_mem): New function.
8985 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
8986 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
8987 Call get_builtin_sync_mem to generate mem rtx.
8989 2006-01-03 Richard Guenther <rguenther@suse.de>
8992 * stmt.c (add_case_node): Make sure to clear overflow flags
8995 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8997 Merge from gomp-branch.
8998 * config/sparc/sync.md: New file.
8999 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
9000 UNSPECV_LDSTUB): New constants.
9001 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
9002 * config/sparc/predicates.md (memory_reg_operand): New predicate.
9003 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
9006 2006-01-03 Roger Sayle <roger@eyesopen.com>
9008 * combine.c (reg_subword_p): New predicate to test whether the
9009 destination of a set refers to a subword/piece of a register.
9010 (try_combine): Generalize the code to merge the setting of a
9011 pseudo to a constant followed by a set of a subword of that
9012 register to a constant.
9014 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
9016 * basic-block.h (control_flow_graph): Change the type of
9017 x_label_to_block_map to VEC(basic_block,gc) *.
9018 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
9019 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
9021 * tree-ssa-propagate.c (cfg_blocks): Change the type to
9022 VEC(basic_block,heap) *.
9023 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
9024 ssa_prop_fini): Adjust the uses of cfg_blocks.
9026 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
9028 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
9030 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
9031 hashing trees instead of a pointer hash.
9032 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
9033 compare for MEM_EXPR.
9035 PR rtl-optimization/25130
9036 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
9037 when comparing MEMs for GCSE
9039 2006-01-03 Ben Elliston <bje@au.ibm.com>
9041 * targhooks.h (default_decimal_float_supported_p): Declare.
9042 * targhooks.c (default_decimal_float_supported_p): Define.
9043 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
9044 `default_decimal_float_supported_p'.
9045 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
9047 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
9049 * combine.c (apply_distributive_law <SUBREG>): Check
9050 TRULY_NOOP_TRUNCATION.
9052 2006-01-02 Geoffrey Keating <geoffk@apple.com>
9054 * dwarf2out.c (have_switched_text_section): Delete.
9055 (have_multiple_function_sections): New.
9056 (have_location_lists): Make 'bool'.
9057 (add_AT_loc_list): Use 'true' not '1'.
9058 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
9059 (output_loc_list): Use have_multiple_function_sections.
9060 (output_ranges): Likewise.
9061 (dwarf2out_begin_function): Set have_multiple_function_sections if
9063 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
9064 Check function_section rather than DECL_SECTION_NAME.
9065 (dwarf2out_finish): Use have_multiple_function_sections.
9066 Don't clear have_location_lists.
9068 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
9069 Jan Hubicka <jh@suse.cz>
9071 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
9072 case of conditional jump jumping to the next instruction.
9073 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
9074 cases of conditional jump jumping to the next instruction.
9076 2006-01-02 Jan Hubicka <jh@suse.cz>
9078 * i386.c (*_cost): Add COSTS_N_INSNS.
9079 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
9081 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
9084 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
9086 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9088 * config/arm/arm.c (all_fpus): Fix comment typo.
9089 * config/darwin.c: Likewise.
9090 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
9091 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
9092 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
9094 2006-01-01 David Edelsohn <edelsohn@gnu.org>
9096 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
9097 (rs6000_split_compare_and_swapqhi): New.
9098 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
9099 (sync_compare_and_swapqhi_internal): New.
9100 * config/rs6000/rs6000-protos.h: Declare.
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