1 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
4 NULL for dso parameter to atexit_common.
6 2006-04-04 Eric Christopher <echristo@apple.com>
8 * config/i386/i386.c (machopic_output_stub): Output \t
9 between instructions and operands.
11 2006-04-04 David Edelsohn <edelsohn@gnu.org>
13 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
14 satisfies_constraint_[IL] to explicit tests on value.
16 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
18 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
19 set_nb_iterations_in_loop): Use build_int_cst instead of
21 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
22 build_int_cst instead of convert.
24 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
26 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
27 new value 2 for incoming.
28 * function.c (expand_function_start): Call struct_value_rtx
30 * config/sparc/sparc.md: Comment updated_return.
31 * config/sparc/sparc.opt: Add -mstd-struct-return option.
32 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
33 struct return if sparc_std_struct_return and incoming is 2.
34 (print_operand): Do not adjust return if
35 sparc_std_struct_return.
37 2006-04-04 Roger Sayle <roger@eyesopen.com>
39 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
40 convert in the middle-end.
41 * expr.c (store_expr, store_constructor, get_inner_reference,
42 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
44 * tree.c (build_range_type): Likewise.
46 2006-04-04 Tom Tromey <tromey@redhat.com>
48 * doc/install.texi (Prerequisites): Mention jar.
50 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
52 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
55 2006-04-04 Matthias Klose <doko@debian.org>
57 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
59 2006-04-03 Geoffrey Keating <geoffk@apple.com>
61 * doc/extend.texi (Function Attributes): Rewrite visibility
62 attribute documentation.
63 * doc/invoke.texi (C++ Dialect Options): Rewrite
64 -fvisibility-inlines-hidden documentation to describe something
65 entirely different, although in practise compatible.
66 (Code Gen Options): Warn about system headers in -fvisibiltity=
69 * doc/extend.texi (Other Builtins): Document that
70 __builtin_nan is a compile-time constant only when its argument
73 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
75 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
76 trying to remove TRUNCATE check if all bits outside the new mode
77 are identical to the sign bit.
79 2006-04-03 Jeff Law <law@redhat.com>
81 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
82 and operand scanning in some common cases.
84 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
85 Dale Johannesen <dalej@apple.com>
88 * regclass.c (struct reg_pref): Update documentation.
89 (regclass): Set prefclass to NO_REGS if memory is the best option.
90 (record_reg_classes): Cope with a prefclass set to NO_REGS.
91 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
92 into account. For non-registers, equate an empty preferred
93 reload class to a `!' in the constraint; move the if clause to
94 do so after those that reject the insn.
95 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
97 (find_dummy_reload): Likewise.
98 * doc/tm.texi (Register Classes): Document what it means
99 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
100 * config/i386/i386.c (ix86_preferred_reload_class): Force
101 using SSE registers (and return NO_REGS for floating-point
102 constants) if math is done with SSE.
103 (ix86_preferred_output_reload_class): New.
104 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
105 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
106 * config/i386/i386.md: Remove # register preferences.
108 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
111 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
112 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
114 (instantiate_parameters_1): Convert the operands before calling
115 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
116 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
118 2006-04-02 Roger Sayle <roger@eyesopen.com>
120 * builtins.c (dummy_object): Use build_int_cst instead of convert.
121 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
123 * dojump.c (do_jump): Likewise.
124 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
125 * gimplify.c (gimple_boolify, gimplify_init_constructor,
126 gimplify_boolean_expr): Likewise.
127 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
128 * varasm.c (array_size_for_constructor): Likewise.
129 * tree-object-size.c (compute_object_offset): Likewise.
131 2006-04-02 Roger Sayle <roger@eyesopen.com>
134 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
135 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
137 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
139 PR tree-optimization/26939
140 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
142 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
144 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
145 at_stmt. Convert the type of operands before calling
146 build_polynomial_chrec.
147 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
149 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
150 (instantiate_parameters_1): Convert the type of operands before calling
151 build_polynomial_chrec.
152 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
153 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
154 reset_evolution_in_loop): Insert asserts to check the types of the
156 (chrec_type): Moved...
157 (eq_evolutions_p): Use operand_equal_p.
158 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
159 the types of the operands.
160 (chrec_type): ...here.
161 * tree-data-ref.c (create_data_ref): Convert the operands before
162 calling chrec_replace_initial_condition.
163 (same_access_functions, analyze_subscript_affine_affine,
164 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
165 (compute_subscript_distance, analyze_ziv_subscript,
166 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
167 analyze_miv_subscript): Convert the operands before calling
168 chrec_fold_minus or chrec_fold_plus.
170 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
172 * tree-data-ref.c (compute_all_dependences): Use a pointer to
173 the dependence_relations vector.
174 (compute_data_dependences_for_loop): Adjust call to
175 compute_all_dependences.
177 2006-04-01 Roger Sayle <roger@eyesopen.com>
178 Richard Henderson <rth@redhat.com>
180 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
181 gimple_boolify on the condition before calling gimplify_expr.
183 2006-03-31 Bob Wilson <bob.wilson@acm.org>
185 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
186 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
187 the frame size. Update to use the new macros.
188 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
189 * config/xtensa/ieee754-df.S: Likewise.
191 2006-03-31 Richard Henderson <rth@redhat.com>
193 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
194 (make_edges): ... here. Control fallthru creation with a local
195 variable. Do not play with fake edges.
196 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
197 (make_goto_expr_edges): Don't play with fake edges. Make for_call
200 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
202 * dwarf2.h (DW64_CIE_ID): Define.
203 * dwarf2out.c (DWARF_CIE_ID): Define.
204 (output_call_frame_info): Output 0xffffffff before standard 8-byte
205 length header. Use DWARF_CIE_ID.
206 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
207 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
209 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
211 * config/sh/linux-atomic.asm: New file.
212 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
214 2006-03-31 DJ Delorie <dj@redhat.com>
216 * config/m32c/cond.md: Set condition flags properly throughout.
217 * config/m32c/minmax.md: Likewise.
218 * config/m32c/prologue.md: Likewise.
219 * config/m32c/bitops.md: Likewise.
220 * config/m32c/muldiv.md: Likewise.
221 * config/m32c/mov.md: Likewise.
222 * config/m32c/addsub.md: Likewise.
223 * config/m32c/m32c.md: Likewise.
224 * config/m32c/jump.md: Likewise.
225 * config/m32c/shift.md: Likewise.
227 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
228 conditionally output the pattern for this.
229 * config/m32c/m32c.c (flags_needed_for_conditional): New.
230 (m32c_compare_redundant): New.
231 (m32c_output_compare): New.
232 * config/m32c/m32c-protos.h (m32c_output_compare): New.
234 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
235 dest, not src. Allow other 4-byte modes.
237 2006-03-30 Denis Chertykov <denisc@overta.ru>
239 * doc/md.texi: Refer to avr/constraints.md instead of
242 2006-03-30 Roger Sayle <roger@eyesopen.com>
244 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
245 signed vs. unsigned comparison failures on some hosts.
247 2006-03-31 Alan Modra <amodra@bigpond.net.au>
250 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
251 change to FLOAT_REGS.
253 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
254 (rs6000_override_options): Use it.
255 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
256 only for -mabi=spe/no-spe and -mabi=altivec.
258 2006-03-30 Geoffrey Keating <geoffk@apple.com>
260 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
263 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
265 * Makefile.in: Rename docdir to gcc_docdir.
267 2006-03-30 Roger Sayle <roger@eyesopen.com>
270 * expr.c (emit_group_store): Optimize group stores into a pseudo
271 register by using a paradoxical subreg to initialize the destination
272 if the first or last member of the group specifies a "low part".
274 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
277 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
278 * target.h (struct gcc_target.speculate_insn): Change type of the
279 second parameter to 'int'.
280 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
281 the second operand of the DEPS_LIST.
282 (copy_DEPS_LIST_list): Update reference to the second operand of the
284 * rtl.h (alloc_DEPS_LIST): Update signature.
285 * sched-int.h (ds_t): Change typedef to 'int'.
286 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
288 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
290 * haifa-sched.c (try_ready): Change condition to restore
291 non-speculative pattern of the instruction.
292 (process_insn_depend_be_in_spec): Code to keep probability of the
293 speculative dependence non-decreasing.
295 2006-03-30 Jie Zhang <jie.zhang@analog.com>
297 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
298 (single_move_for_movmem): ... this. Also change all uses.
299 (bfin_expand_strmov): Renamed to...
300 (bfin_expand_movmem): ... this. Also change all uses.
301 * config/bfin/bfin.md (movstrsi): Renamed to...
304 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
306 PR tree-optimization/26830
308 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
309 (copy_prop_visit_stmt): Remove write-only variable ann.
310 (init_copy_prop): Check variable loop depth here. Do not simulate
311 memory-tag and virtual operand PHIs except for store copy prop.
313 2006-03-30 Richard Guenther <rguenther@suse.de>
315 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
316 variants with double arguments.
318 2006-03-29 David Edelsohn <edelsohn@gnu.org>
320 * genpreds.c (write_tm_constrs_h): Delete variable p.
321 * genconditions.c (write_header): Add tm-constrs.h to included
323 * genpeep.c (main): Add toplev.h to included headers.
324 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
325 (build/genpeep.o): Add toplev.h dependency.
326 * config/rs6000/constraints.md: Add "W" constraint.
328 2006-03-29 Roger Sayle <roger@eyesopen.com>
330 * stor-layout.c (mode_for_size_tree): Remove restiction on type
331 sizes by correctly testing whether the size fits a host integer.
332 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
333 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
334 SImode range for the default sizetype and bitsizetype.
336 2006-03-29 Roger Sayle <roger@eyesopen.com>
338 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
339 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
340 quickly if the argument is already of the correct type.
341 Call fold_build1 instead of build1. Tidy up blank lines.
343 2006-03-29 David Edelsohn <edelsohn@gnu.org>
345 * genemit.c (main): Add tm-constrs.h to included headers.
346 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
347 * genpeep.c (main): Add tm-constrs.h to included headers.
348 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
349 (write_tm_constrs_h): this and write complete file.
350 (write_tm_preds_h): Do not emit satisfies_constraint fns.
351 (write_insn_preds_c): Add tm-constrs.h to included headers.
352 (gen_constrs): New variable.
353 (parse_option): Parse "-c".
354 (main): Invoke write_tm_constrs_h.
355 * genrecog.c (write_header): Add tm-constrs.h to included headers.
356 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
357 (object_out_file): Add tm-constrs.h dependency.
359 (insn-output.o): Same.
361 (insn-preds.o): Same.
362 (insn-recog.o): Same.
363 (tm-constsr.h): New target.
364 (s-constrs-h): New target.
366 * config/rs6000/constraints.md: New file.
367 * config/rs6000/rs6000.c: Include tm-constrs.h.
368 (num_insn_constant_wide): Convert to satisfies_constraint.
369 (rs6000_rtx_costs): Convert to satisfies_constraint.
370 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
371 (CONST_OK_FOR_LETTER_P): Delete.
372 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
373 (EXTRA_CONSTRAINT): Delete.
374 (EXTRA_MEMORY_CONSTRAINT): Delete.
375 (EXTRA_ADDRESS_CONSTRAINT): Delete.
376 * config/rs6000/predicates.md: Convert to satisfies_constraint.
377 * config/rs6000/rs6000.md: Include constraints.md. Convert to
378 satisfies_constraint.
380 * config/i386/i386.c: Include tm-constrs.h.
382 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
384 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
385 * tree-data-ref.c (find_data_references_in_loop,
386 compute_data_dependences_for_loop): Use pointers to VEC.
387 (analyze_all_data_dependences): Adjust calls.
388 * tree-data-ref.h (find_data_references_in_loop,
389 compute_data_dependences_for_loop): Adjust declarations.
390 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
391 compute_data_dependences_for_loop.
393 2006-03-29 Paul Brook <paul@codesourcery.com>
395 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
398 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
400 PR tree-optimization/26859
401 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
403 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
404 for the step after fold_convert.
406 2006-03-29 Paul Brook <paul@codesourcery.com>
408 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
409 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
411 2006-03-29 Paul Brook <paul@codesourcery.com>
414 * targhooks.c (default_narrow_bitfield): New fuction.
415 * targhooks.h (default_narrow_bitfield): add prototype.
416 * target.h (gcc_target): Add narrow_volatile_bitfield.
417 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
418 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
419 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
420 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
422 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
424 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
426 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
427 (NR_C_MODES): Add TDmode, DDmode and SDmode.
428 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
429 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
430 (s390_function_arg_float): Allow SDmode and DDmode values to be
431 passed in floating point registers.
432 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
433 check with SCALAR_FLOAT_MODE_P.
434 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
436 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
438 PR tree-optimization/25985
439 * tree-ssa-loop-niter.c (number_of_iterations_le,
440 number_of_iterations_ne): Make comments more precise.
441 (number_of_iterations_cond): Add only_exit argument. Use the
442 fact that signed variables do not overflow only when only_exit
444 (loop_only_exit_p): New.
445 (number_of_iterations_exit): Pass result of loop_only_exit_p to
446 number_of_iterations_cond.
448 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
450 PR tree-optimization/26643
451 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
454 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
456 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
457 (divsi3_i4_int): Likewise.
459 2006-03-28 Roger Sayle <roger@eyesopen.com>
461 * expr.c (emit_group_store): Only create a new pseudo reg if the
462 quantity it needs to hold isn't already a suitable pseudo.
464 2006-03-28 Jeff Law <law@redhat.com>
466 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
467 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
469 2006-03-28 Roger Sayle <roger@eyesopen.com>
471 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
472 the equivalent ~X & Y, and the symmetry related transformations.
473 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
474 ~X & Y, and symmetry related transforms.
476 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
478 Revert my 2006-03-27 patches.
480 2006-03-28 Roger Sayle <roger@eyesopen.com>
482 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
483 ~(T1)X, when T1 and T2 are integer types of the same precision
484 and (T2)X isn't an extension.
486 2006-03-28 Jeff Law <law@redhat.com>
488 PR tree-optimization/26796
489 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
490 need EH edge cleanups rather than purging them immediately.
491 (eliminate_degenerate_phis): Handle queued EH cleanups.
493 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
495 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
498 2006-03-27 Roger Sayle <roger@eyesopen.com>
501 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
502 cast BIT_NOT_EXPR operand to the correct type.
504 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
506 * tree-loop-linear.c: Don't include varray.h.
507 (gather_interchange_stats, try_interchange_loops,
508 linear_transform_loops): Use VEC instead of VARRAY.
509 * lambda-mat.c: Don't include varray.h.
510 * tree-chrec.c: Same.
511 * lambda-trans.c: Same.
512 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
513 VEC instead of VARRAY.
514 * tree-vectorizer.h: Idem.
515 * tree-data-ref.c (dump_data_references,
516 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
517 initialize_data_dependence_relation, finalize_ddr_dependent,
518 compute_all_dependences, find_data_references_in_loop,
519 compute_data_dependences_for_loop, analyze_all_data_dependences,
520 free_dependence_relation, free_dependence_relations,
521 free_data_refs): Idem.
522 * tree-data-ref.h (data_reference_p, subscript_p): New.
523 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
524 VEC instead of VARRAY.
525 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
526 (find_data_references_in_loop, compute_data_dependences_for_loop,
527 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
528 dump_data_dependence_relations, free_dependence_relations,
529 free_data_refs): Adjust declaration.
530 (lambda_transform_legal_p): Move declaration here...
531 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
532 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
533 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
534 vect_analyze_data_refs): Use VEC instead of VARRAY.
535 * lambda.h (lambda_transform_legal_p): ...from here.
536 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
537 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
538 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
539 tree-chrec.o): Don't depend on VARRAY_H.
541 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
543 * rtl.def (Copyright): Update date.
544 (DEPS_LIST): Change type of the second operand to 'int'.
545 * target.h (Copyright): Update date.
546 (struct gcc_target.speculate_insn): Change type of the second parameter
548 * lists.c (Copyright): Update date.
549 (alloc_DEPS_LIST): Change signature. Update reference to the second
550 operand of the DEPS_LIST.
551 (copy_DEPS_LIST_list): Update reference to the second operand of the
553 * rtl.h (Copyright): Update date.
554 (alloc_DEPS_LIST): Update signature.
555 * sched-int.h (Copyright): Update date.
556 (ds_t): Change typedef to 'int'.
557 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
559 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
561 * haifa-sched.c (Copyright): Update date.
562 (try_ready): Change condition to restore non-speculative pattern
564 (process_insn_depend_be_in_spec): Code to keep probability of the
565 speculative dependence non-decreasing.
567 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
569 * regrename.c (replace_oldest_value_addr): Initialize a variable to
570 shut up the compiler.
572 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
574 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
575 to use lib prefix for target.
576 ($(T)libic_invalidate_array_4-200.a): Likewise.
577 ($(T)libic_invalidate_array_4a.a): Likewise.
579 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
580 J"orn Rennecke <joern.rennecke@st.com>
582 * superh.opt: New file.
583 * sh.c (boardtype, osruntime): Remove.
584 * superh.h (SUBTARGET_OPTIONS): Remove.
585 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
587 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
588 arguments with ^ and/or [].
590 * config.gcc (sh-*-*): Add quoting to account for quirk of
592 Replace == with = in enable_incomplete_targets test.
594 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
595 with MASK_LITTLE_ENDIAN.
597 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
598 * config/sh/sh.opt: Added to some comments.
599 * config/sh/superh.h: Removed some chaff.
601 * config/sh/sh.opt: Add m4-[1234]00* options.
602 * config/sh/sh.c (sh_handle_option): Likewise.
603 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
604 (ic_invalidate_array_4-100.o): New rule.
605 ($(T)libic_invalidate_array_4-100.a): Likewise.
606 (ic_invalidate_array_4-200.o): Likewise.
607 ($(T)libic_invalidate_array_4-200.a): Likewise.
608 (ic_invalidate_array_4a.o): Likewise.
609 ($(T)libic_invalidate_array_4a.a): Likewise.
610 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
611 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
613 * config/sh/crt1.asm: Merged in profiling code.
614 * config/sh/superh.h (STARTFILE_SPEC): Override.
615 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
616 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
617 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
619 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
620 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
621 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
623 * sh.opt (mpretend-cmove): New option.
624 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
625 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
626 (movsicc): Add TARGET_PRETEND_CMOVE code.
628 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
630 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
631 s390_class_max_nregs): New function prototypes.
632 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
633 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
634 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
635 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
637 2006-03-26 Geoffrey Keating <geoffk@apple.com>
639 * dwarf2out.c (add_location_or_const_value_attribute): Call
640 tree_add_const_value_attribute if nothing else works.
641 (reference_to_unused): New.
642 (rtl_for_decl_init): Use reference_to_unused to decide whether
643 to output an initializer.
645 2006-03-27 Alan Modra <amodra@bigpond.net.au>
648 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
649 peephole removing spe frob_di_df_2.
651 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
653 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
654 (subscript_dependence_tester_1): Declared.
655 (print_dir_vectors, print_dist_vectors): New.
656 (debug_data_dependence_relation): New.
657 (dump_data_dependence_relation): Print more details.
658 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
659 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
660 (save_dist_v, save_dir_v, add_outer_distances,
661 build_classic_dist_vector_1): New.
662 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
663 Don't test for lambda_vector_lexico_pos.
664 (same_access_functions, add_multivariate_self_dist,
665 add_other_self_distances, dir_from_dist): New.
666 (build_classic_dir_vector): Replace implementation almost identical to
667 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
669 (subscript_dependence_tester_1): New.
670 (subscript_dependence_tester): Handle the lexicographically negative
671 distance vectors by recomputing the dependence relation.
672 (compute_affine_dependence): Remove parameter loop_nest_depth.
673 (compute_self_dependence): Don't call compute_subscript_distance.
674 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
675 Add a parameter for the loop_nest.
676 (find_loop_nest_1, find_loop_nest): New.
677 (compute_data_dependences_for_loop): Compute the loop nest, and give
678 up if the nest is not well formed.
679 * tree-data-ref.h (loop_p): New.
680 (struct data_dependence_relation): Replace size_vect field with
681 loop_nest, a vec of loops.
682 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
683 (DDR_LOOP_NEST): New.
684 (print_dir_vectors, print_dist_vectors,
685 debug_data_dependence_relation): Declared.
686 (index_in_loop_nest): New.
687 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
688 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
691 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
693 * simplify-rtx.c (simplify_relational_operation): Call
694 simplify_relational_operation_1 even if mode is VOIDmode.
696 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
698 PR tree-optimization/26804
699 * tree.h (DECL_CALL_CLOBBERED): New macro.
700 (tree_decl_common): Add call_clobbered_flag.
701 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
702 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
703 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
704 (mark_non_addressable): Ditto.
705 * tree-ssa.c (verify_call_clobbered): New function.
706 (verify_alias_info): Use it.
707 * tree-pass.h (pass_reset_cc_flags): New prototype.
708 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
709 (reset_cc_flags): New function.
710 * passes.c (init_optimization_passes): Call reset_cc_flags after
711 initializing referenced_vars.
713 2006-03-25 Uros Bizjak <uros@kss-loka.si>
714 Roger Sayle <roger@eyesopen.com>
717 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
718 to 1.0 for non-real operands. Implement A / A optimization for
721 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
723 * config/i386/i386.c (size_cost): Correct the comment for
724 cost of storing fp registers.
725 (i386_cost): Likewise.
726 (i486_cost): Likewise.
727 (pentium_cost): Likewise.
728 (pentiumpro_cost): Likewise.
730 (athlon_cost): Likewise.
732 (pentium4_cost): Likewise.
733 (nocona_cost): Likewise.
734 (generic64_cost): Likewise.
735 (generic32_cost): Likewise.
737 2006-03-24 Denis Chertykov <denisc@overta.ru>
739 * config/avr/avr-protos.h (extra_constraint): Delete.
740 (extra_constraint_Q): New declaration.
741 * config/avr/constraints.md: New file.
742 * config/avr/avr.md: Include it.
743 (REG_X, REG_Y, REG_Z, REG_W): New constants.
744 (TMP_REGNO, ZERO_REGNO): Likewise.
745 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
746 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
747 (extra_constraint): Delete.
748 (extra_constraint_Q): Test for memory constraint 'Q'.
749 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
750 (REG_CLASS_FROM_LETTER): Delete.
751 (CONST_OK_FOR_LETTER_P): Delete.
752 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
753 (EXTRA_CONSTRAINT): Delete.
755 (ZERO_REGNO): Delete.
757 2006-03-24 Jeff Law <law@redhat.com>
759 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
760 directly. Call mark_new_vars_to_rename slightly earlier.
762 2006-03-24 Geoffrey Keating <geoffk@apple.com>
764 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
766 (gen_compile_unit_die): Use new language types for Objective-C and
768 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
772 * config/t-darwin (crt3.o): Work around bug 26840.
773 * config/darwin-crt3.c: Rewrite.
774 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
776 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
778 * doc/invoke.texi: Document -femit-class-debug-always
779 * common.opt: Add -femit-class-debug-always.
781 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
783 * config/s390/s390.c (s390_decompose_address): Allow SImode for
784 index and base register.
785 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
786 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
787 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
788 REGNO_OK_FOR_INDEX_P.
789 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
791 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
792 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
793 REG_OK_FOR_BASE_P): Definitions removed.
795 2006-03-24 Jakub Jelinek <jakub@redhat.com>
798 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
799 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
800 set yet or weren't marked as local yet.
802 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
804 * regrename.c (scan_rtx_address): Initialize a variable to shut up
807 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
809 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
810 (rs6000_legitimate_small_data_p): Delete.
811 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
812 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
813 and make static. Add forward declaration. Update uses.
814 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
815 of offsettable_memref_p.
816 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
817 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
819 2006-03-24 Jeff Law <law@redhat.com>
821 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
822 around bug in immediate-use iterator.
824 2006-03-24 Alan Modra <amodra@bigpond.net.au>
827 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
828 or __LITTLE_ENDIAN__.
830 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
832 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
833 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
834 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
835 * config/sh/sh.opt (mdiv=): Amend description.
836 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
837 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
838 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
839 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
840 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
841 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
842 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
843 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
844 TARGET_DIVIDE_CALL_FP.
846 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
848 * haifa-sched.c (choose_ready): Fix type of the local variable.
849 Move local variables. Add comment.
850 (check_reg_live): Change signature. Make callable from debugger.
851 * sched-int.h (check_reg_live): Update signature.
852 * sched-ebb.c (check_reg_live): Update parameters.
853 * sched-rgn.c (check_reg_live): Ditto.
854 (region_head_or_leaf_p): Check pointer before dereferencing.
855 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
856 before reload on optimization levels below 1.
858 2006-03-23 Richard Henderson <rth@redhat.com>
860 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
864 * config/alpha/predicates.md (local_symbolic_operand): Reject
867 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
870 * tree-ssa-pre.c (create_value_expr_from): Don't reject
871 expressions which have overflowed constants.
873 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
875 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
877 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
879 * cfgloopmanip.c (create_loop_notes): Removed.
880 * final.c (final_scan_insn): Do not handle loop notes.
881 * jump.c (squeeze_notes): Ditto.
882 * cfglayout.c (skip_insns_after_block,
883 duplicate_insn_chain): Ditto.
884 * cfgcleanup.c (rest_of_handle_jump2): Do not call
886 * cfgloop.h (create_loop_notes): Declaration removed.
888 2006-03-23 Richard Sandiford <richard@codesourcery.com>
890 * varasm.c (output_constant_pool): Restore fnname and fndecl
892 (assemble_start_function): Adjust call accordingly.
893 (assemble_end_function): Likewise.
895 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
898 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
901 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
903 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
906 * system.h (ICE_EXIT_CODE): New macro.
907 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
908 (diagnostic_action_after_output): Likewise.
909 * gcc.c (fatal_ice): New function.
910 (execute): Use it instead of fatal.
911 (fancy_abort): Likewise.
912 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
914 2006-03-22 Jeff Law <law@redhat.com>
916 * loop-unroll.c (analyze_iv_to_split_insn): Handle
917 iv_analyze_result returning false.
919 2006-03-22 Jie Zhang <jie.zhang@analog.com>
921 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
923 2006-03-22 Richard Henderson <rth@redhat.com>
926 * except.c (duplicate_eh_regions_0): New.
927 (duplicate_eh_region_1): Duplicate the children of the node as
928 well as the node itself. Link them up properly.
929 (duplicate_eh_region_2): Merge into ...
930 (duplicate_eh_regions): ... here. Take copy_region argument, and
931 copy only a sub-tree if asked. Simplify copying and fixup.
932 (eh_region_outer_p): New.
933 * except.h (duplicate_eh_regions): Update decl.
934 (eh_region_outer_p): Declare.
935 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
936 (lower_omp_master): Likewise.
937 (lower_omp_ordered): Likewise.
938 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
939 (move_stmt_r): Use it to remap labels. Handle recursion vs
940 remap_decls_p properly.
941 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
942 (find_outermost_region_in_block): New.
943 (new_label_mapper): New.
944 (move_sese_region_to_fn): Copy eh information to the new function
946 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
948 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
951 2006-03-22 Richard Sandiford <richard@codesourcery.com>
953 * doc/md.texi (-mshared): Mention that -mshared code can be linked
954 into shared libraries.
956 2006-03-22 Richard Sandiford <richard@codesourcery.com>
958 * doc/md.texi: Refer to i386/constraints.md instead of
960 * config/i386/constraints.md: New file, extracted from...
961 * config/i386/predicates.md: ...here.
962 * config/i386/i386.md: Include constraints.md.
964 2006-03-21 Jason Merrill <jason@redhat.com>
966 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
969 * expr.c (init_block_move_fn): Force default visibility.
970 (init_block_clear_fn): Likewise.
971 * builtins.c (expand_builtin_fork_or_exec): Likewise.
972 * targhooks.c (default_external_stack_protect_fail): Likewise.
974 2006-03-21 Richard Sandiford <richard@codesourcery.com>
976 * config/mips/predicates.md (const_call_insn_operand): Allow direct
977 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
978 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
979 Use TARGET_OLDABI instead of !TARGET_NEWABI.
980 (loadgp): Use mips_current_loadgp_style.
981 (loadgp_noshared): New pattern.
982 (sibcall_internal): Use MIPS_CALL.
983 (sibcall_value_internal): Likewise.
984 (sibcall_value_multiple_internal): Likewise.
985 (call_internal): Likewise.
986 (call_value_internal): Likewise.
987 (call_value_multiple_internal): Likewise.
988 (call_split): Use MIPS_CALL and add an 'S' constraint.
989 (call_value_split): Likewise.
990 (call_value_multiple_split): Likewise.
991 * config/mips/mips.opt (-mabicalls): Tweak docstring.
992 (-mshared): New option.
993 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
994 (mips_current_loadgp_style): Declare.
995 * config/mips/mips.c (mips_classify_symbol): Avoid using
996 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
997 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
998 TARGET_ABSOLUTE_ABICALLS.
999 (override_options): Adjust comments. Improve the warning that is
1000 issued when -mabicalls and -G are used together.
1001 (mips_file_start): Remove comment.
1002 (mips_current_loadgp_style): New function.
1003 (mips_gnu_local_gp): New variable.
1004 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
1006 (mips_output_function_prologue): Use mips_current_laodgp_style.
1007 (mips_expand_prologue): Call mips_emit_loadgp before emitting
1008 the cprestore instruction.
1009 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
1010 live for TARGET_ABSOLUTE_ABICALLS.
1011 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
1012 (ASM_SPEC): Pass down -mshared and -mno-shared.
1013 (MIPS_CALL): New macro.
1014 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
1016 * doc/invoke.texi (-mabicalls): Update documentation.
1017 (-mshared): Document.
1019 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1021 * config/ia64/unwind-hpux.c: New file.
1022 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
1024 2006-03-21 Steve Ellcey <sje@cup.hp.com>
1027 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
1029 2006-03-21 Jeff Law <law@redhat.com>
1031 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
1032 type conversions of a VR_VARYING source to a wider type.
1034 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1036 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
1037 tm_file on Solaris 10 and later.
1038 (sparc64-*-solaris2*): Likewise.
1039 (sparc-*-solaris2*): Likewise.
1040 * config/sol26.h: Rename to config/sol2-6.h.
1041 * config/sol2-10.h: New file.
1043 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
1046 * tree-ssa-pre.c (create_component_ref_by_pieces):
1049 2006-03-21 Jakub Jelinek <jakub@redhat.com>
1052 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
1053 return it immediately.
1055 2006-03-21 Michael Matz <matz@suse.de>
1057 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
1059 (remove_arc, add_arc): Update num_out_arcs member.
1060 (set_out_arc_insns_equiv_num): Returns nothing instead of number
1062 (cache_presence): New function.
1063 (compare_states_for_equiv): New function.
1064 (state_is_differed): Don't take number of outargs, adjust callers.
1065 Use new invariant for speeding up.
1066 (init_equiv_class): Create initial classes based on sorted
1068 (partition_equiv_class): Don't track out_arcs_num.
1069 (evaluate_equiv_classes): Call cache_presence on all states and
1072 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
1074 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
1075 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
1076 (bfin_valid_reg_p): Test for pseudos explicitly and use only
1077 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
1079 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
1080 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
1081 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
1082 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
1083 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
1085 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
1086 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
1087 (REGNO_REG_CLASS): ARGP is in PREGS.
1088 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
1090 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
1091 to deal with those addresses.
1092 * addresses.h: New file.
1093 * caller-save.c: Include "addresses.h".
1094 (init_caller_save): Use new base_reg_class function.
1095 * rtl-factoring.c: Include "addresses.h".
1096 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
1097 * recog.c: Include "addresses.h".
1098 (preprocess_constraints): Use new base_reg_class function.
1099 * regrename.c: Include "addresses.h".
1100 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
1101 functions. Keep track of a new var INDEX_CODE to compute valid
1103 (replace_oldest_value_addr): Likewise.
1104 (replace_oldest_value_mem): Use base_reg_class.
1105 * reload.c: Include "addresses.h".
1106 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
1107 (find_reloads): Use new base_reg_class function.
1108 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
1109 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
1110 all callers and prototype changed.
1111 * reload1.c: Include "addresses.h".
1112 (maybe_fix_stack_asms): Use base_reg_class.
1113 * regclass.c: Include "addresses.h".
1114 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
1115 (init_reg_autoinc): Use new base_reg_class function.
1116 (record_reg_classes): Likewise.
1117 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
1118 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
1119 Use new args to compute necessary class.
1121 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
1122 regrename.o, rtl-factoring.o): Update dependencies.
1123 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
1124 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
1125 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
1126 REG_OK_FOR_INDEX_P): Delete documentation.
1128 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
1130 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
1131 from V7 to V9 for Solaris 7 and above.
1133 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
1135 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
1136 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
1137 argument pointers may not alias any other storage.
1138 * common.opt: Define option -fargument-noalias-anything.
1139 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
1140 alias semantics is specified by flag_argument_noalias > 2.
1142 2006-03-20 Jeff Law <law@redhat.com>
1144 * tree-pass.h (pass_phi_only_copy_prop): Delete.
1145 (pass_phi_only_cprop): Declare.
1146 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
1148 * tree-ssa-dom.c (degenerate_phi_result): New function.
1149 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
1150 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
1151 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
1152 (eliminate_degenerate_phis): Likewise.
1153 (pass_phi_only_cprop): New pass descriptor.
1154 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
1155 support code. Callers updated.
1156 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
1157 (store_copy_prop): Likewise.
1158 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
1160 2006-03-20 Jason Merrill <jason@redhat.com>
1163 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
1164 (push_visibility, pop_visibility): Likewise.
1165 * c-pragma.h: Declare them.
1167 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
1169 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
1171 * config/sh/sh.c (find_regmode_weight): Change the type of the first
1172 parameter and use get_ebb_head_tail.
1173 (sh_md_init_global): Adjust uses of find_regmode_weight.
1175 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
1177 * function.h (struct function) <x_tail_recursion_reentry>:
1178 Rename to x_stack_check_probe_note.
1179 (tail_recursion_reentry): Rename to stack_check_probe_note.
1180 * function.c: Replace tail_recursion_reentry with
1181 stack_check_probe_note everywhere.
1182 (expand_function_start): Only emit a note for
1183 stack_check_probe_note with -fstack-protect.
1184 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
1186 * emit-rtl.c (remove_unnecessary_notes): Remove.
1187 (pass_remove_unnecessary_notes): Remove.
1188 * rtl.h (remove_unnecessary_notes): Remove prototype.
1189 * final.c (final_start_function): Don't call remove_unnecessary_notes.
1190 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
1191 * passes.c (pass_remove_unnecessary_notes): Don't run it.
1193 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
1196 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
1197 (valid_in_set): Handle ARRAY_REF.
1198 Change "if min_variant or VH" to asserts.
1199 (create_component_ref_by_pieces): Handle ARRAY_REF.
1200 (create_expression_by_pieces): Likewise.
1201 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
1203 2006-03-20 David Edelsohn <edelsohn@gnu.org>
1205 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
1206 is operand of switch, not str[0].
1208 2006-03-20 Alan Modra <amodra@bigpond.net.au>
1210 * config/rs6000/rs6000.c (rs6000_handle_option): Use
1211 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
1213 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1215 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
1216 end of insn_extra_address_constraint declaration.
1218 2006-03-19 David Edelsohn <edelsohn@gnu.org>
1220 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
1221 (no-sum-in-toc): Same.
1222 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
1224 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
1225 NO_FP_IN_TOC for -fPIC instead of mask.
1227 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
1228 (BOOT_LDFLAGS): Delete.
1230 * config/rs6000/t-aix52: Same.
1232 * config/rs6000/rs6000.md (store_multiple_power): Delete.
1233 (stmsi[345678]_power): New.
1235 2006-03-17 Steve Ellcey <sje@cup.hp.com>
1237 * config/ia64/ia64.opt: Add empty line to end of file.
1239 2006-03-17 Richard Guenther <rguenther@suse.de>
1242 * builtins.c (get_pointer_alignment): For component style references
1243 adjust alignment to the component type alignment. Make sure
1244 to adjust alignment for component access of constants.
1246 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1248 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1251 2006-03-17 Paul Brook <paul@codesourcery.com>
1253 * doc/install.texi: Docuemnt --with-mode.
1254 * config.gcc: Add --with-mode for arm*-*-*.
1255 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1257 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1259 * sh.c (max_labelno_before_reorg): New variable.
1260 (sh_reorg): Initialize it.
1261 (find_barrier): Check max_labelno_before_reorg before using
1262 label_to_alignment. Take length of explicit alignment insns
1263 into account. When seeing a UNSPECV_CONST_END, return it.
1265 * sh.c (fixup_mova): Set mode of affected label to QImode.
1266 (untangle_mova): New function.
1267 (find_barrier): Use it. Check mode of label before decrementing
1269 (sh_reorg): Likewise.
1270 Set mode of all insns back to VOIDmode.
1272 * sh.c (MOVA_LABELREF): New macro.
1273 (mova_p, fixup_mova, sh_reorg): Use it.
1274 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1275 ADDR_DIFF_VEC matches mova.
1277 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1279 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1280 with ATTRIBUTE_UNUSED.
1282 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1284 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1285 pointer, instead of assuming it is possible to derive the
1286 correct args size from a call insn.
1288 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1290 * rtl.h (CONST_INT_P): Define.
1291 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1292 instead of GET_CODE(x) == CONST_INT.
1293 (vax_rtx_costs): Likewise.
1294 (vax_output_int_move): Likewise.
1295 (vax_output_int_add): Likewise.
1296 (legitimate_constant_address_p): Likewise.
1297 (index_term_p): Likewise.
1298 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1299 * config/vax/vax.md (and<mode>3): Likewise.
1300 (ashrsi3): Likewise.
1302 (movstricthi): Likewise.
1303 (movstrictqi): Likewise.
1304 (rotrsi3): Likewise.
1305 (five unnamed insns): Likewise.
1307 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1309 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1310 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1311 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1312 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1313 Pass to ASM_OUTPUT_DWARF_OFFSET.
1314 * dwarf2out.c (debug_frame_section): New.
1315 (output_call_frame_info): Use debug_frame_section. Pass it to
1316 dw2_asm_output_offset.
1317 (output_die): Pass appropriate section to dw2_asm_output_offset.
1318 (output_compilation_unit_header): Likewise.
1319 (output_pubnames): Likewise.
1320 (output_aranges): Likewise.
1321 (enum dw_val_class): Break dw_val_class_lbl_offset into
1322 dw_val_class_lineptr and dw_val_class_macptr.
1323 (add_AT_lbl_offset): Delete.
1324 (add_AT_lineptr): New.
1325 (add_AT_macptr): New.
1326 (AT_lbl): Expect a lineptr or macptr.
1327 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1328 (attr_checksum): Likewise.
1329 (same_dw_val_p): Likewise.
1330 (size_of_die): Likewise.
1331 (value_format): Likewise.
1332 (output_die): Likewise.
1333 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1335 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1336 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1337 * config/darwin-protos.h (darwin_file_start): New.
1338 (darwin_asm_output_dwarf_offset): New.
1339 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1340 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1342 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1343 if not EH section; simplify.
1344 (darwin_file_start): New.
1345 (darwin_asm_output_dwarf_offset): New.
1346 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1348 (DEBUG_INFO_SECTION): Likewise.
1349 (DEBUG_ABBREV_SECTION): Likewise.
1350 (DEBUG_ARANGES_SECTION): Likewise.
1351 (DEBUG_MACINFO_SECTION): Likewise.
1352 (DEBUG_LINE_SECTION): Likewise.
1353 (DEBUG_LOC_SECTION): Likewise.
1354 (DEBUG_PUBNAMES_SECTION): Likewise.
1355 (DEBUG_STR_SECTION): Likewise.
1356 (DEBUG_RANGES_SECTION): Likewise.
1357 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1358 (ASM_OUTPUT_DWARF_OFFSET): New.
1360 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1362 * config.gcc (tm_defines): Always add to previous value rather
1365 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1367 * config/mips/predicates.md (splittable_const_int_operand): New,
1368 split from move_operand.
1369 (splittable_symbolic_operand): New.
1370 (move_operand): Add commentary. Use splittable_const_int_operand.
1371 Inline mips_atomic_symbolic_constant_p.
1372 * config/mips/mips.md: Add combine splitters for handling moves
1373 of splittable_const_int_operands and splittable_symbolic_operands.
1374 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1375 (mips_split_symbol): Declare.
1376 (mips_move_integer): Declare.
1377 * config/mips/mips.c (mips_split_p): Make global.
1378 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1379 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1380 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1381 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1382 (mips_offset_within_object_p): Handle block symbols.
1383 (mips_atomic_symbolic_constant_p): Delete.
1384 (mips_cannot_force_const_mem): Return false for constants that
1385 mips_legitimize_move can handle.
1386 (mips_use_blocks_for_constant_p): New function.
1387 (mips_split_symbol): Make global.
1388 (mips_move_integer): Likewise. Add a temporary register argument.
1389 (mips_legitimize_const_move): Use splittable_const_int_operand and
1390 splittable_symbolic_operand.
1391 (mips_use_anchors_for_symbol_p): New function.
1392 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1393 (mips_split_p): Declare.
1395 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1397 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1398 (mips*-*-linux*): Likewise.
1400 2006-03-16 Roger Sayle <roger@eyesopen.com>
1401 Daniel Speyer <dspeyer@wam.umd.edu>
1404 * tree-dump.c (dump_real): New function.
1405 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1406 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1407 (tree-dump.o): Add $(REAL_H) to the dependencies.
1409 2006-03-16 Roger Sayle <roger@eyesopen.com>
1412 * real.c (real_from_string): If the mantissa is zero, don't bother
1413 parsing the exponent as the result should always be zero.
1415 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1417 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1419 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1421 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1422 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1423 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1424 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1425 ia64_sched_finish_global): New static functions to implement
1426 hooks from gcc_target.sched.
1427 (spec_check_no, max_uid, pending_data_specs): New static variables.
1428 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1429 ia64_spec_check_src_p): New static functions.
1430 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1431 (TARGET_SCHED_ADJUST_COST): Removed.
1432 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1433 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
1434 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1435 TARGET_SCHED_GEN_CHECK,
1436 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1437 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
1438 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
1439 Fixed to handle speculation checks.
1440 (rtx_needs_barrier): Fixed to handle speculative loads and
1442 (ia64_variable_issue): Added code to count speculative loads and their
1444 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
1446 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
1448 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
1450 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
1451 (ia64_reorg): Reset stops_p to NULL after it is freed.
1452 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
1453 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
1454 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
1456 (data_speculative, control_speculative, check_load): New attributes.
1457 (mov<mode>_advanced, mov<mode>_speculative,
1458 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
1459 zero_extend<mode>di2_speculative,
1460 zero_extend<mode>di2_speculative_advanced): New patterns for
1461 data and control speculative loads.
1462 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
1464 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
1465 New pattern for data and control speculation checks.
1466 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
1467 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1468 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1469 Auxiliary definitions for the patterns.
1470 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1471 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
1473 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
1475 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
1476 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
1477 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
1478 New resource constraints.
1479 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
1481 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
1482 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
1483 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1484 msched-in-control-spec, msched-ldc, msched-control-ldc,
1485 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1486 msched-prefer-non-control-spec-insns,
1487 msched-count-spec-in-critical-path): New flags to tune speculative
1489 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
1490 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1491 msched-in-control-spec, msched-ldc, msched-control-ldc,
1492 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1493 msched-prefer-non-control-spec-insns,
1494 msched-count-spec-in-critical-path): Document new flags.
1496 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1498 * target.h (struct spec_info_def): New opaque declaration.
1499 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
1500 speculate_insn, needs_block_p, gen_check,
1501 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
1502 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1503 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
1504 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
1505 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1506 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
1508 (TARGET_SCHED): Use new macros.
1509 * rtl.h (copy_DEPS_LIST_list): New prototype.
1510 * sched-int.h (struct sched_info): Change signature of new_ready field,
1511 adjust all initializations. New fields: add_remove_insn,
1512 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
1513 region_head_or_leaf_p.
1514 (struct spec_info_def): New structure declaration.
1515 (spec_info_t): New typedef.
1516 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1517 recovery_block, orig_pat.
1518 (glat_start, glat_end): New variables declaraions.
1519 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1521 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1522 DETACH_LIFE_INFO, USE_GLAT.
1523 (enum SPEC_SCHED_FLAGS): New enumeration.
1524 (NOTE_NOTE_BB_P): New macro.
1525 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1526 attach_life_info, debug_spec_status, check_reg_live): New functions.
1527 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1528 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1530 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1531 * ddg.c (get_block_head_tail): Adjust all uses.
1532 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1533 (sms_sched_info): Initialize new fields.
1534 (contributes_to_priority): Removed.
1535 * haifa-sched.c (params.h): New include.
1536 (get_block_head_tail): Adjust all uses.
1537 (ISSUE_POINTS): New macro.
1538 (glat_start, glat_end): New global variables.
1539 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1540 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1541 old_last_basic_block, before_recovery, current_sched_info_var,
1542 rgn_n_insns, luid): New static variables.
1543 (insn_cost1): New function. Move logic from insn_cost to here.
1544 (find_insn_reg_weight1): New function. Move logic from
1545 find_insn_reg_weight to here.
1546 (reemit_notes, move_insn, max_issue): Change signature.
1547 (move_insn1): Removed.
1548 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1549 extend_bb): New static functions to support extension of scheduler's
1551 (generate_recovery_code, process_insn_depend_be_in_spec,
1552 begin_speculative_block, add_to_speculative_block,
1553 init_before_recovery, create_recovery_block, create_check_block_twin,
1554 fix_recovery_deps): New static functions to support
1555 generation of recovery code.
1556 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1557 restore_bb_notes, move_block_after_check, move_succs): New static
1558 functions to support ebb scheduling.
1559 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1560 functions to support handling of register live information.
1561 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1562 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1563 add_jump_dependencies): New static functions.
1564 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1565 consistancy checking.
1566 (debug_spec_status): New function to call from debugger.
1567 (priority): Added code to handle speculation checks.
1568 (rank_for_schedule): Added code to distinguish speculative instructions.
1569 (schedule_insn): Added code to handle speculation checks.
1570 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1571 Fixed to handle ebbs.
1572 (move_insn): Added code to handle ebb scheduling.
1573 (max_issue): Added code to use ISSUE_POINTS of instructions.
1574 (choose_ready): Added code to choose between speculative and
1575 non-speculative instructions.
1576 (schedule_block): Added code to handle ebb scheduling and scheduling of
1577 speculative instructions.
1578 (sched_init): Initialize new variables.
1579 (sched_finish): Free new variables. Print statistics.
1580 (try_ready): Added code to handle speculative instructions.
1581 * lists.c (copy_DEPS_LIST_list): New function.
1582 * sched-deps.c (extend_dependency_caches): New function. Move logic
1583 from create_dependency_caches to here.
1584 (get_dep_weak, ds_merge): Make global.
1585 * genattr.c (main): Code to output prototype for
1586 dfa_clear_single_insn_cache.
1587 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
1588 (output_dfa_clean_insn_cache_func): Code to output
1589 dfa_clear_single_insn_cache function.
1590 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
1592 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
1594 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
1595 New static variables.
1596 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
1597 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
1599 (ebb_sched_info): Initialize new fields.
1600 (get_block_head_tail): Adjust all uses.
1601 (compute_jump_reg_dependencies): Fixed to use glat_start.
1602 (schedule_ebb): Code to remove unreachable last block.
1603 (schedule_ebbs): Added code to update register live information.
1604 * sched-rgn.c (region_sched_info): Initialize new fields.
1605 (get_block_head_tail): Adjust all uses.
1606 (last_was_jump): Removed. Adjust users.
1607 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
1608 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
1609 Implement new hooks.
1610 (check_dead_notes1): New static function.
1611 (struct region): New fields: dont_calc_deps, has_real_ebb.
1612 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
1613 (BB_TO_BLOCK): Fixed to handle EBBs.
1614 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
1615 (ebb_head): New static variable.
1616 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
1617 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
1619 (compute_dom_prob_ps): New assertion.
1620 (check_live_1, update_live_1): Fixed to work with glat_start instead of
1621 global_live_at_start.
1622 (init_ready_list): New assertions.
1623 (can_schedule_ready_p): Split update code to begin_schedule_ready.
1624 (new_ready): Add support for BEGIN_CONTROL speculation.
1625 (schedule_insns): Fixed code that updates register live information
1627 (schedule_region): Fixed to handle EBBs.
1628 (init_regions): Use extend_regions and check_dead_notes1.
1629 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
1630 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
1631 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
1632 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1633 TARGET_SCHED_GEN_CHECK,
1634 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1635 TARGET_SCHED_SET_SCHED_FLAGS): Document.
1636 * doc/invoke.texi (max-sched-insn-conflict-delay,
1637 sched-spec-prob-cutoff): Document.
1639 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1641 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
1642 inter_tick, queue_index.
1643 (struct sched_info): Change signature of init_ready_list field.
1644 Adjust all initializations.
1645 (RESOLVED_DEPS): New access macro.
1646 (ready_add): Remove prototype.
1647 (try_ready): Add prototype.
1648 * sched-rgn.c (init_ready_list): Use try_ready.
1649 (schedule_region): Initialize
1650 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
1651 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
1652 (init_ready_list): Use try_ready.
1653 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
1654 * lists.c (remove_list_elem): Remove `static'.
1655 (remove_free_INSN_LIST_elem): New function.
1656 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
1657 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
1658 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
1660 (readyp): New variable.
1661 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
1662 change_queue_index, resolve_dep): New static functions.
1663 (try_ready): New function. Adjust callers in sched-rgn.c and
1664 sched-ebb.c to use it instead of ready_add.
1665 (clock_var): Move at the begining of file.
1666 (rank_for_schedule): Fix typo.
1667 (queue_insn): Add assertion. Handle QUEUE_INDEX.
1668 (ready_lastpos): Enforce assertion.
1669 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
1671 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
1672 (schedule_insn): Rewrite to use try_ready and resolve_dep.
1673 (queue_to_ready): Use free_INSN_LIST_list.
1674 (early_queue_to_ready): Fix typo.
1675 (schedule_block): Init readyp. Move init_ready_list call after the
1676 initialization of clock_var. Fix error in rejecting insn by
1677 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
1678 that previously corrected INSN_TICKs. Add code for handling
1680 (set_priorities): Fix typo.
1681 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
1682 Clarify comment and code that keeps current_sched_info->next_tail
1685 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1687 * sched-rgn.c (extend_rgns): New static function.
1688 (find_rgns): Use it.
1689 (gather_region_statistics, print_region_statistics): New static
1691 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
1692 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1694 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1695 Andrey Belevantsev <abel@ispras.ru>
1697 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
1698 * lists.c (unused_deps_list): New variable.
1699 (free_list): Add assertions to verify the proper distinguishing
1700 between INSN_LISTs and DEPS_LISTs.
1701 (find_list_elem, remove_list_elem, remove_list_node): New static
1703 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
1704 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
1705 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
1706 (alloc_INSN_LIST): Assert that the list we're working on is indeed
1708 (free_INSN_LIST_node): Likewise.
1709 * modulo-sched.c (current_sched_info): Initialize flags field.
1710 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
1711 * rtl.def (DEPS_LIST): Define.
1712 * rtl.h: Declare new functions from lists.c.
1713 * sched-deps.c (spec_dependency_cache): New static variable.
1714 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
1715 (add_dependence): Change return type to void. Move the logic to ...
1716 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
1717 (delete_all_dependences): Add comment about forward_dependency_cache.
1718 Handle spec_dependency_cache. Handle DEPS_LISTs.
1719 (fixup_sched_groups): Clarify the change of priority of output
1720 and anti dependencies.
1721 (sched_analyze_2): Adjust add_dependence calls to create data
1722 speculative dependence.
1723 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
1724 Adjust all callers. Handle DEPS_LISTS.
1725 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
1726 presence of speculation.
1727 (init_dependency_caches, free_dependency_caches):
1728 Handle spec_dependency_cache.
1729 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
1730 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
1731 New static functions.
1732 (add_or_update_back_dep, add_or_update_back_forw_dep,
1733 add_back_forw_dep, delete_back_forw_dep): New functions.
1734 * sched-int.h (ds_t, dw_t): New typedefs.
1735 (struct sched_info): Add new field flags.
1736 (struct haifa_insn_data): Add new bitfield has_internal_dep.
1737 Prototype new sched-deps.c functions.
1738 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
1739 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
1740 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
1741 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
1742 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
1743 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
1745 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
1747 * sched-rgn.c (current_sched_info): Initialize flags field.
1748 (schedule_insns): Initialize current_sched_info before the sched_init
1750 * sched-ebb.c (current_sched_info): Initialize flags field.
1751 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
1752 Call add_or_update_back_dep instead of add_dependence.
1753 Create control speculative dependencies.
1754 (schedule_insns): Initialize current_sched_info before the sched_init
1757 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
1759 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
1761 (sh_fallback_frame_state): Likewise.
1763 2006-03-15 Geoffrey Keating <geoffk@apple.com>
1765 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
1766 Do switch on default_use_cxa_atexit.
1767 (powerpc*-*-darwin*): Build crt2.o on powerpc.
1768 * config/darwin-crt3.o: New.
1769 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
1770 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
1771 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
1773 * config/rs6000/t-darwin: Move crt2.o building to here.
1774 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
1775 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
1778 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1780 * config/vax/vax.c (nonindexed_address_p): Change logical negation
1781 from '! xxx' to '!xxx' for coding-style conformance.
1782 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
1783 (EXTRA_CONSTRAINT): Likewise.
1784 * config/vax/vax.md (four unnamed insns): Likewise.
1786 2006-03-15 Paul Brook <paul@codesourcery.com>
1788 * config/arm/arm.c (minipool_pad): New.
1789 (add_minipool_forward_ref): Include pool alignment padding in address
1791 (push_minipool_fix): Set minipool_pad.
1792 (minipool_pad): Ditto.
1794 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1796 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
1797 instead of GET_CODE() == MEM and REG_P() instead of
1799 (print_operand_address): Likewise.
1800 (vax_address_cost): Likewise.
1801 (vax_rtx_costs): Likewise.
1802 (vax_notice_update_cc): Likewise.
1803 (vax_output_int_add): Likewise.
1804 (INDEX_REGISTER_P): Likewise.
1805 (BASE_REGISTER_P): Likewise.
1806 (nonindexed_address_p): Likewise.
1807 (vax_mode_dependent_address_p): Likewise.
1808 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
1809 (PRINT_OPERAND): Likewise.
1810 * config/vax/vax.md (ashlsi3): Likewise.
1811 (ashlsi3): Likewise.
1812 (some more unnamed insns): Likewise.
1814 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
1816 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
1817 iterator-style macro.
1818 (mark_control_dependent_edges_necessary): Update the use of
1819 EXECUTE_IF_CONTROL_DEPENDENT.
1821 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
1823 * config/sh/predicates.md (cache_address_operand): Special.
1824 (ua_address_operand): Likewise.
1826 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
1828 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
1830 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
1832 2006-03-15 Andreas Schwab <schwab@suse.de>
1834 * gensupport.c (identify_predicable_attribute): Don't free p_false
1835 when it is still in use.
1837 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1839 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
1840 the default setting here.
1842 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
1844 * tree-pass.h (pass_cfg): Remove.
1845 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
1846 * passes.c (pass_cfg): Don't run it.
1848 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
1850 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
1851 * reg-stack.c (stack_regs_mentioned_data): Change the type to
1853 (stack_regs_mentioned): Update the uses of
1854 stack_regs_mentioned_data. Don't access the array beyond its
1856 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
1857 Don't include gt-reg-stack.h.
1859 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
1860 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
1862 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
1865 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
1868 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1870 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
1872 2006-03-14 Richard Guenther <rguenther@suse.de>
1874 PR tree-optimization/26672
1875 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
1878 2006-03-14 Richard Guenther <rguenther@suse.de>
1880 PR tree-optimization/26667
1881 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
1882 node for the callees. Always allow inlining if it will shrink
1885 2006-03-14 Richard Guenther <rguenther@suse.de>
1888 * builtins.c (get_pointer_alignment): Prefer alignment
1889 information from decls over that from types.
1891 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
1894 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
1896 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
1898 * config/rs6000/rs6000.opt (mdlmzb): New option.
1899 (msched-prolog, msched-epilog): Use Var not Mask.
1900 * doc/invoke.texi (-mdlmzb): Document.
1901 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1903 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
1904 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
1906 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
1908 PR rtl-optimization/25739
1909 * bt-load.c (augment_live_range): Free tos pointer.
1911 * gensupport.c (identify_predicable_attribute): Free
1913 * gcov.c (create_file_names): Free name pointer.
1915 2006-03-13 Roger Sayle <roger@eyesopen.com>
1918 * stmt.c (emit_case_nodes): Handle the case where the index is a
1919 CONST_INT, where the comparison mode is specified by the index type.
1921 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1923 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
1926 2006-03-13 Richard Sandiford <richard@codesourcery.com>
1928 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
1929 (*branch_fp_inverted): Likewise.
1931 2006-03-13 Jakub Jelinek <jakub@redhat.com>
1934 * omp-low.c (expand_omp_for_generic): Mark istart0
1935 and iend0 as addressable.
1937 2006-03-13 Jie Zhang <jie.zhang@analog.com>
1939 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
1941 2006-03-13 Jeff Law <law@redhat.com>
1943 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
1944 virtual operands are interesting.
1945 (vrp_visit_stmt): Corresponding changes.
1947 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
1949 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
1951 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
1952 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
1953 * config/bfin/crti.S: Use it instead of __PIC__.
1954 * config/bfin/crtn.S: Likewise.
1956 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
1957 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
1959 Lose 'G' modifier for call operand.
1960 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
1961 recognize 'G' modifier.
1963 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
1966 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
1967 * stmt.c (expand_case): Likewise.
1969 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1971 PR rtl-optimization/26254
1972 * loop-invariant.c (seq_insns_valid_p): New function.
1973 (move_invariant_reg): Only emit new code if it is valid.
1975 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1977 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
1979 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
1980 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
1981 (commit_one_edge_insertion): Do not look for loop notes.
1983 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1985 * jump.c (follow_jumps): Do not check for loop notes. Move check for
1986 flag_test_coverage out of loop.
1988 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1990 * final.c (shorten_branches): Remove outdated comment, and turn
1991 the if branch that guards it to continue.
1993 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1995 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
1996 * cfgloop.h (struct loop): Remove unused fields.
1998 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
2000 * doc/invoke.texi (-fdump-rtl-loop): Remove.
2001 (-dL, -fdump-rtl-loop2): Update the dump file names
2003 * doc/invoke.texi: Update dump file names.
2005 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
2007 * predict.c (estimate_probability): Remove.
2008 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
2009 * basic-block.h (estimate_probability): Remove prototype.
2010 * passes.c (finish_optimization_passes): Dump branch prediction or
2011 profiling heuristics to the .profile tree dump.
2012 (init_optimization_passes): Unqueue pass_branch_prob.
2014 * doc/invoke.texi (-fdump-rtl-bp): Remove.
2016 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2018 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
2019 * rtl.h (LABEL_NEXTREF): Remove field accessor.
2021 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
2023 * function.h (frame_offset_overflow): Declare.
2024 * function.c (frame_offset_overflow): New function.
2025 (assign_stack_local_1): Call it to detect that the offset overflows.
2026 * cfgexpand.c (alloc_stack_frame_space): Likewise.
2028 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
2030 * config/sh/sh.c: Include alloc-pool.h.
2031 (label_ref_list_pool): New alloc pool.
2032 (label_ref_list_t): New type for lists of labels.
2033 (struct pool_node): Make wend a label_ref_list_t.
2034 (add_constant): Use the new type, eradicate LABEL_NEXTREF
2036 (dump_table): Likewise.
2037 (sh_reorg): Set up the alloc pool before using add_constant and
2038 dump_table, and destroy it when finishing.
2040 2006-03-11 Richard Sandiford <richard@codesourcery.com>
2042 * config/mips/mips.c: Remove redundant comment.
2044 2006-03-10 Jason Merrill <jason@redhat.com>
2047 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
2048 the target was declared 'register'.
2050 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
2052 * genpreds.c (write_insn_constraint_len): Change definition of
2053 insn_constraint_len to return size_t to match the declaration.
2055 2006-03-10 DJ Delorie <dj@redhat.com>
2057 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
2059 (m32c_expand_insv): Fix test for an AND mask.
2061 2006-03-10 Richard Guenther <rguenther@suse.de>
2064 * builtins.c (get_pointer_alignment): Handle component
2065 references for field alignment.
2067 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2069 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
2070 when building with libgloss.
2071 (sh*elf): Implement --without-fp option.
2072 (sh64-superh-linux*): Don't multilib.
2074 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
2076 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
2078 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
2080 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
2081 Set it when one of the replacement functions returned true.
2082 Return TODO_cleanup_cfg if cfgchanged is true.
2083 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
2085 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
2087 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
2088 instead of gen_lowpart.
2090 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2092 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
2094 (mips_output_order_conditional_branch): Declare.
2095 * config/mips/mips.h (MIPS_BRANCH): New macro.
2096 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
2097 for the comparison. Use gen_condjump.
2098 (mips_output_conditional_branch): Rework interface to take the
2099 asm templates for a direct branch and the inverse of a direct branch.
2100 (mips_output_order_conditional_branch): New function.
2101 (mips_builtin_branch_and_move): New function.
2102 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
2103 branch condition. Use gen_single_cc as the condition for
2104 __builtin_mips_upper_* or __builtin_mips_lower_*.
2105 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
2106 Use VOIDmode for the branch condition.
2107 * config/mips/predicates.md (order_operator): New predicate.
2108 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
2109 (branch_fp): Rename to...
2110 (*branch_fp): ...this. Remove mode from comparison operator.
2111 Use new mips_output_conditional_branch interface.
2112 (branch_fp_inverted): Rename to...
2113 (*branch_fp_inverted): ...this and update as for *branch_fp.
2114 (*branch_zero<mode>): Rename to...
2115 (*branch_order<mode>): ...this. Remove mode from comparison operator.
2116 Use mips_output_order_conditional_branch. Only accept ordered
2118 (*branch_zero<mode>_inverted): Rename to...
2119 (*branch_order<mode>_inverted): ...this and update as for
2120 *branch_order<mode>.
2121 (*branch_equality<mode>): Accept zero as the second operand to
2122 the equality operator. Use the new mips_output_conditional_branch
2124 (*branch_equality<mode>_inverted): Likewise.
2125 (condjump): New expander.
2126 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
2128 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
2129 (bc1any2t, bc1any2f): Likewise.
2130 (single_cc): New expander.
2131 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
2133 2006-03-09 Richard Sandiford <richard@codesourcery.com>
2135 * doc/md.texi: Update documentation of MIPS constraints.
2136 * config/mips/constraints.md: New file.
2137 * config/mips/mips.md: Include it.
2138 * config/mips/mips.c (mips_char_to_class): Delete.
2139 (override_options): Don't initialize mips_char_to_class.
2140 * config/mips/mips.h (mips_char_to_class): Delete.
2141 (REG_CLASS_FROM_LETTER): Delete.
2142 (CONST_OK_FOR_LETTER_P): Delete.
2143 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2144 (EXTRA_CONSTRAINT_Y): Delete.
2145 (EXTRA_CONSTRAINT_STR): Delete.
2146 (CONSTRAINT_LEN): Delete.
2147 (EXTRA_MEMORY_CONSTRAINT): Delete.
2149 2006-03-09 Diego Novillo <dnovillo@redhat.com>
2151 * tree-cfg.c (move_block_to_fn): Remove the statements from the
2152 original fn's eh regions.
2154 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
2156 * fold-const.c (build_range_check): Make sure to use a valid type to
2157 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
2160 (range_predecessor): New static function.
2161 (range_successor): Likewise.
2162 (merge_ranges): Use them to compute predecessors and successors of
2165 2006-03-09 Roger Sayle <roger@eyesopen.com>
2168 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
2169 X op C3, consider whether C3 overflows towards +Inf or -Inf.
2171 2006-03-08 DJ Delorie <dj@redhat.com>
2173 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
2174 (addpsi3): Expand to include memory operands. Remove
2175 reload-specific splits.
2176 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
2177 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
2178 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
2179 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
2180 (shift1_qi, shift1_hi, insv): New.
2181 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
2182 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
2183 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
2185 * config/m32c/m32c-protos.h: Update as needed.
2186 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
2187 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
2188 Fail for unrecognized R* constraints.
2189 (m32c_cannot_change_mode_class): Be more picky about pseudos.
2190 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
2191 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
2193 (m32c_init_libfuncs): New.
2194 (m32c_legitimate_address_p): Add debug wrapper.
2195 (m32c_rtx_costs): New.
2196 (m32c_address_cost): New.
2197 (conversions): Add 'B' prefix.
2198 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
2199 operands, or word regnames for QI operands. 'B' prints bit
2201 (m32c_expand_setmemhi): New.
2202 (m32c_expand_movmemhi): New.
2203 (m32c_expand_movstr): New.
2204 (m32c_expand_cmpstr): New.
2205 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
2206 (m32c_expand_neg_mulpsi3): Handle non-ints.
2207 (m32c_cmp_flg_0): New.
2208 (m32c_expand_movcc): New.
2209 (m32c_expand_insv): New.
2210 (m32c_scc_pattern): New.
2211 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
2212 a0/a1 out of SIregs.
2213 (STORE_FLAG_VALUE): New.
2214 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
2217 * config/m32c/mov.md: Make constraints more liberal.
2218 (zero_extendqihi2): Optimize r0/r1 case.
2219 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
2220 * config/m32c/predicates.md (m32c_any_operand): New.
2221 (m32c_nonimmediate_operand): New.
2222 (m32c_hl_operand): New.
2223 (m32c_r3_operand): New.
2226 (memsym_operand): New.
2227 (memimmed_operand): New.
2228 (a_qi_operand): New.
2229 (m32c_eqne_operator): New.
2230 (m32c_1bit8_operand): New.
2231 (m32c_1bit16_operand): New.
2232 (m32c_1mask8_operand): New.
2233 (m32c_1mask16_operand): New.
2234 * config/m32c/blkmov.md: New file.
2235 * config/m32c/t-m32c (MD_FILES): Add blkmov.
2237 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
2239 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
2240 unsigned to fix signed/unsigned comparison issue in
2241 DWARF2_FRAME_REG_OUT.
2242 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2243 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2245 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2246 of ptr into the ENABLE_CHECKING section.
2248 2006-03-08 Jeff Law <law@redhat.com>
2250 * tree-vrp.c (infer_value_range): Only count pointer uses
2251 and dereferences if -fdelete-null-pointer-checks is enabled.
2253 * tree-vrp.c (find_assert_locations): Infer value ranges for
2254 single use pointers, but do not create ASSERT_EXPRs for them.
2255 When a non-null range is inferred for a pointer, backwards
2256 propagate that range to other equivalent pointers through the
2259 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2262 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2263 language hook targets.
2264 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2265 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2266 if language hook targets were missing.
2268 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2270 * tree-ssa-opfinalize.h: Removed.
2271 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2273 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2274 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2275 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2276 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2277 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2278 finalize_ssa_v_must_def_ops): New.
2280 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2282 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2285 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2287 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2289 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2290 addresses with offsets; reorganize.
2292 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2293 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2294 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2296 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2299 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2301 2006-03-08 Ben Elliston <bje@au.ibm.com>
2303 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2305 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2308 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2311 2006-03-07 Richard Guenther <rguenther@suse.de>
2313 PR tree-optimization/26587
2314 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2316 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2318 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2320 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2322 * hooks.c (hook_bool_mode_rtx_true): New function.
2323 * hooks.h (hook_bool_mode_rtx_true): Declare.
2324 * toplev.c (compile_file): Call output_shared_constant_pool.
2325 * varasm.c (shared_constant_pool): New variable.
2326 (assemble_start_function, assemble_end_function): Remove arguments
2327 from call to output_constant_pool.
2328 (create_constant_pool): New function, split out from...
2329 (init_varasm_status): ...here.
2330 (force_const_mem): Choose between the shared and per-function constant
2331 pools. Set current_function_uses_const_pool when reusing old entries
2332 as well as when creating new ones.
2333 (mark_constant): Ignore data argument.
2334 (mark_constants): Remove pool argument.
2335 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2336 to decide whether the function uses a constant pool.
2337 (output_constant_pool_contents): New function, split out from...
2338 (output_constant_pool): ...here.
2339 (output_shared_constant_pool): New function.
2340 (init_varasm_once): Initialize shared_constant_pool.
2341 * output.h (output_constant_pool): Delete.
2342 (output_shared_constant_pool): Declare.
2343 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2344 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2346 2006-03-06 Nick Clifton <nickc@redhat.com>
2348 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2349 flag_strength_reduce.
2351 2006-03-06 Ben Elliston <bje@au.ibm.com>
2353 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2354 x86_64-*-linux* configurations.
2356 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2357 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2359 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2361 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2363 * basic-block.h: Remove the extern for
2364 rediscover_loops_after_threading.
2366 * cfgloop.c (cancel_loop): Make it static.
2367 * cfgloop.h: Remove the prototype for cancel_loop.
2369 * flow.c (recompute_reg_usage): Make it static.
2370 * rtl.h: Remove the prototype for recompute_reg_usage.
2372 * function.c (use_return_register): Make it static.
2373 * function.h: Remove the prototype.
2375 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2377 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2379 * recog.h: Remove the prototype for
2380 validate_change_maybe_volatile.
2382 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2384 * rtlanal.c (replace_reg): Remove.
2385 * rtl.h: Remove the prototype for replace_reg.
2387 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2389 * regclass.c (reg_scan_update): Remove.
2390 (reg_scan_mark_refs): Remove the last argument.
2391 * rtl.h: Remove the prototype for reg_scan_update.
2393 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2395 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2396 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2397 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2398 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2399 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2400 loop-invariant.c, omp-low.c, opts.c, passes.c,
2401 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2402 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2403 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2404 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2405 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2406 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2408 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2410 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2411 * dwarf2out.h: Remove the prototype for
2412 dwarf2out_add_library_unit_info.
2414 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2416 * tree.c (add_var_to_bind_expr): Remove.
2417 * tree.h: Remove the prototype for add_var_to_bind_expr.
2419 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2421 * regclass.c (n_non_fixed_regs): Remove.
2422 (init_reg_sets_1, globalize_reg): Remove all uses of
2424 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2426 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2428 * rtlanal.c (insns_safe_to_move_p): Remove.
2429 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2431 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2433 * expmed.c (expand_mult_add): Remove.
2434 * expr.h: Remove the prototype for expand_mult_add.
2436 2006-03-04 Jakub Jelinek <jakub@redhat.com>
2438 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
2439 and REG_SAVED_VAL_EXP constants.
2440 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
2441 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2442 Handle regs stored by value.
2443 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
2444 (execute_cfa_program): Handle DW_CFA_val_offset,
2445 DW_CFA_val_offset_sf and DW_CFA_val_expression.
2446 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
2447 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
2448 (uw_install_context_1): Handle target regs stored by value.
2450 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
2452 * tree-sra.c (tree_sra): Return todoflags;
2453 (generate_one_element): Set TODO_update_smt_usage if needed.
2454 (pass_sra): Remove TODO_update_smt_usage.
2455 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
2457 (tree_ssa_forward_propagate_single_use_vars): Return
2458 TODO_update_smt_usage if we need to update SMT usage.
2459 (pass_forwprop): Remove TODO_update_smt_usage.
2461 2006-03-03 Diego Novillo <dnovillo@redhat.com>
2463 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
2464 (correct_use_link): Remove reference to get_stmt_operands.
2465 (update_stmt_operands): Likewise.
2466 (get_modify_expr_operands): New function factored out of
2467 parse_ssa_operands and get_expr_operands.
2468 Try to create V_MUST_DEFs for LHS by default.
2469 (get_expr_operands) <case MODIFY_EXPR>: Call
2470 get_modify_expr_operands.
2471 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
2472 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
2473 (parse_ssa_operands) <case MODIFY_EXPR>: Call
2474 get_modify_expr_operands.
2476 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
2478 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
2479 * tree-flow.h: Remove the prototype for
2480 referenced_var_lookup_if_exists.
2482 2006-03-03 Steve Ellcey <sje@cup.hp.com>
2484 PR rtl-optimization/26345
2486 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2488 2006-03-03 Roger Sayle <roger@eyesopen.com>
2490 PR tree-optimization/26524
2491 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
2492 fold_convert to create a constant of the appropriate type.
2494 2006-03-03 Richard Sandiford <richard@codesourcery.com>
2496 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2497 SYMBOL_REF_IN_BLOCK_P.
2498 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
2499 of SYMBOL_FLAG_IN_BLOCK.
2500 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
2501 instead of SYMBOL_REF_IN_BLOCK_P.
2502 * explow.c (use_anchored_address): Likewise.
2503 * rtl.c (rtx_size): Likewise.
2504 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
2505 instead of SYMBOL_FLAG_IN_BLOCK.
2506 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2507 SYMBOL_REF_IN_BLOCK_P.
2508 (assemble_variable): Likewise.
2509 (output_constant_def_contents): Likewise.
2510 (output_constant_pool): Likewise.
2511 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
2512 instead of SYMBOL_FLAG_IN_BLOCK.
2513 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2514 SYMBOL_REF_IN_BLOCK_P.
2515 (SYMBOL_REF_BLOCK): Likewise.
2516 (SYMBOL_REF_OFFSET): Likewise.
2517 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2518 SYMBOL_REF_IN_BLOCK_P.
2519 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2520 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2521 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2522 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2524 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2526 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2528 2006-03-02 Roger Sayle <roger@eyesopen.com>
2530 * simplify-rtx.c (simplify_unary_operation): When simplifying
2531 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2532 that we perform the right shift in the appropriate mode, and
2533 then extend or truncate the result to requested mode.
2535 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2537 * gengtype.c (main): Handle double_int type.
2538 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2539 * double-int.c: New file.
2540 * double-int.h: New file.
2541 * system.h: Include doubleint.h.
2542 * Makefile.in (SYSTEM_H): Include double-int.h.
2543 (double-int.o): Add.
2545 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2548 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2551 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2553 * tree-vrp.c (remove_range_assertions): Do not update statements
2556 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2558 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2560 * gcse.c (rest_of_handle_gcse): Ditto.
2561 * except.c (gate_handle_eh): Ditto.
2562 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2563 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2565 2006-03-02 Eric Christopher <echristo@apple.com>
2567 * config/i386/i386.c (machopic_output_stub): Add indirection to
2570 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2574 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2576 Sun Niagara specific optimizations.
2577 * config.gcc: Recognize niagara as target.
2578 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
2579 (TARGET_CPU_niagara): Define.
2580 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
2581 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
2582 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2583 (ASM_CPU_SPEC): Likewise.
2584 (PROCESSOR_NIAGARA): New enum entry.
2585 (REGISTER_MOVE_COST): Handle Niagara.
2586 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
2587 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
2588 (sparc_override_options): Recognize "niagara", set appropriate
2589 default MASK_* values for it, and align functions to 32-bytes
2590 by default just like ULTRASPARC/ULTRASPARC3.
2591 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
2592 (sparc64_initialize_trampoline): Likewise.
2593 (sparc_use_sched_lookahead): Use zero for niagara.
2594 (sparc_issue_rate): Use one for niagara.
2595 * config/sparc/niagara.md: New file.
2596 * config/sparc/sparc.md: Include it.
2597 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
2598 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
2599 when default cpu is niagara.
2600 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2601 (ASM_CPU_SPEC): Likewise.
2602 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
2603 when default cpu is niagara.
2604 (ASM_CPU_SPEC): Handle -mcpu=niagara.
2605 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
2606 just like v9/ultrasparc/ultrasparc3.
2607 * doc/invoke.texi: Add documentation for "niagara" and improve
2608 existing documentation for ultrasparc variants.
2610 2006-03-02 Diego Novillo <dnovillo@redhat.com>
2612 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
2614 2006-03-02 Richard Sandiford <richard@codesourcery.com>
2616 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
2617 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
2618 and say that only one is needed.
2619 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
2620 * target.h (have_switchable_bss_sections): New hook.
2621 * explow.c (use_anchored_address): Check that the symbol is in a block.
2622 * varasm.c (tls_comm_section, comm_section, lcomm_section)
2623 (bss_noswitch_section): New variables.
2624 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
2625 (get_noswitch_section): New function.
2626 (get_block_for_section): Allow SECT to be null.
2627 (unlikely_text_section_p): Use SECTION_STYLE.
2628 (bss_initializer_p): New function.
2629 (get_variable_section): Move earlier in file. Take a new argument,
2630 prefer_noswitch_p. Move bss checks from assemble_variable to here.
2631 Return one of the new *_sections in such cases.
2632 (get_block_for_decl): New function, extracting some logic from
2633 use_blocks_for_decl_p.
2634 (change_symbol_section): Remove in favor of...
2635 (change_symbol_block): ...this new function.
2636 (use_blocks_for_decl_p): Remove checks now performed by
2638 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
2639 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
2640 (emit_local, emit_bss, emit_common): ...these new functions.
2641 Return true if the alignment was honored.
2642 (emit_tls_common): New function.
2643 (asm_emit_uninitialised): Delete.
2644 (assemble_variable_noswitch): New function, split out from...
2645 (assemble_variable): ...here. Don't make decisions about common
2646 variables here. Globalize all public decls that go into non-common
2647 sections. Check whether SYMBOL_REF_BLOCK is null.
2648 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
2649 (output_constant_pool): Likewise.
2650 (init_varasm_once): Initialize the new section variables.
2651 (have_global_bss_p): New function.
2652 (categorize_decl_for_section): Use bss_initializer_p.
2653 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
2654 (place_block_symbol): Assert that the symbol must be in a block.
2655 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
2656 (TARGET_INITIALIZER): Include it.
2657 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
2658 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
2659 (SECTION_MACH_DEP): Bump by two.
2660 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
2661 (unnamed_section): Mention SECTION_UNNAMED in comment.
2662 (named_section): Likewise SECTION_NAMED.
2663 (noswitch_section_callback): New type.
2664 (noswitch_section): New structure.
2665 (section): Add a noswitch_section alternative.
2666 (SECTION_STYLE): New macro.
2667 (tls_comm_section, comm_section, lcomm_section): Declare.
2668 (bss_noswitch_section, have_global_bss_p): Declare.
2669 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2670 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2672 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2673 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2676 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
2678 * gcc/tree-vrp.c (execute_vrp): Return value.
2679 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
2680 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
2681 * gcc/tree-complex.c (tree_lower_complex): Ditto.
2682 (tree_lower_complex_O0): Ditto.
2683 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
2684 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
2685 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
2686 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
2687 (execute_tail_calls): Ditto.
2688 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2689 * gcc/tree.h (init_function_for_compilation): Ditto.
2690 * gcc/ipa-cp.c (ipcp_driver): Ditto.
2691 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
2692 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
2693 * gcc/final.c (compute_alignments): Ditto.
2694 (rest_of_handle_final): Ditto.
2695 (rest_of_handle_shorten_branches): Ditto.
2696 (rest_of_clean_state): Ditto.
2697 * gcc/omp-low.c (execute_expand_omp): Ditto.
2698 (execute_lower_omp): Ditto.
2699 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
2700 * gcc/ipa-reference.c (static_execute): Ditto.
2701 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
2702 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
2703 (rest_of_handle_machine_reorg): Ditto.
2704 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
2705 * gcc/flow.c (recompute_reg_usage): Ditto.
2706 (rest_of_handle_remove_death_notes): Ditto.
2707 (rest_of_handle_life): Ditto.
2708 (rest_of_handle_flow2): Ditto.
2709 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
2710 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
2711 (do_ssa_store_ccp): Ditto.
2712 (execute_fold_all_builtins): Ditto.
2713 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
2714 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
2715 * gcc/ipa-pure-const.c (static_execute): Ditto.
2716 * gcc/cse.c (rest_of_handle_cse): Ditto.
2717 (rest_of_handle_cse2): Ditto.
2718 * gcc/web.c (rest_of_handle_web): Ditto.
2719 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
2720 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
2721 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2722 * gcc/tree-nrv.c (tree_nrv): Ditto.
2723 (execute_return_slot_opt): Ditto.
2724 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
2725 (create_structure_vars): Ditto.
2726 * gcc/loop-init.c (rtl_loop_init): Ditto.
2727 (rtl_loop_done): Ditto.
2728 (rtl_move_loop_invariants): Ditto.
2729 (rtl_unswitch): Ditto.
2730 (rtl_unroll_and_peel_loops): Ditto.
2731 (rtl_doloop): Ditto.
2732 * gcc/gimple-low.c (lower_function_body): Ditto.
2733 (mark_used_blocks): Ditto.
2734 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
2735 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
2736 (cgraph_early_inlining): Ditto.
2737 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
2738 * gcc/jump.c (cleanup_barriers): Ditto.
2739 (purge_line_number_notes): Ditto.
2740 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
2741 (rest_of_handle_if_after_reload): Ditto.
2742 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
2743 (tree_ssa_loop_im): Ditto.
2744 (tree_ssa_loop_unswitch): Ditto.
2745 (tree_vectorize): Ditto.
2746 (tree_linear_transform): Ditto.
2747 (tree_ssa_loop_ivcanon): Ditto.
2748 (tree_ssa_empty_loop): Ditto.
2749 (tree_ssa_loop_bounds): Ditto.
2750 (tree_complete_unroll): Ditto.
2751 (tree_ssa_loop_prefetch): Ditto.
2752 (tree_ssa_loop_ivopts): Ditto.
2753 (tree_ssa_loop_done): Ditto.
2754 * gcc/predict.c (tree_estimate_probability): Ditto.
2755 * gcc/recog.c (split_all_insns_noflow): Ditto.
2756 (rest_of_handle_peephole2): Ditto.
2757 (rest_of_handle_split_all_insns): Ditto.
2758 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
2759 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
2760 (rest_of_handle_stack_adjustments): Ditto.
2761 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
2762 * gcc/function.c (instantiate_virtual_regs): Ditto.
2763 (init_function_for_compilation): Ditto.
2764 (rest_of_handle_check_leaf_regs): Ditto.
2765 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
2766 (rest_of_handle_gcse): Ditto.
2767 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
2768 * gcc/alias.c (rest_of_handle_cfg): Ditto.
2769 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
2770 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
2771 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
2772 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
2773 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
2774 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
2775 * gcc/except.c (set_nothrow_function_flags): Ditto.
2776 (convert_to_eh_region_ranges): Ditto.
2777 (rest_of_handle_eh): Ditto.
2778 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
2779 (remove_unnecessary_notes): Ditto.
2780 * gcc/except.h (set_nothrow_function_flags): Ditto.
2781 (convert_to_eh_region_ranges): Ditto.
2782 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
2783 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
2784 * gcc/tree-ssa-pre.c (do_pre): Ditto.
2785 (execute_fre): Ditto.
2786 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
2787 (rest_of_handle_jump2): Ditto.
2788 * gcc/tree-sra.c (tree_sra): Ditto.
2789 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
2790 (execute_mudflap_function_decls): Ditto.
2791 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
2792 (do_store_copy_prop): Ditto.
2793 * gcc/ipa-prop.h (ipcp_driver): Ditto.
2794 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
2795 * gcc/tree-ssa-forwprop.c
2796 (tree_ssa_forward_propagate_single_use_vars): Ditto.
2797 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
2798 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
2799 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
2800 (execute_late_warn_uninitialized): Ditto.
2801 * gcc/rtl.h (cleanup_barriers): Ditto.
2802 (split_all_insns_noflow): Ditto.
2803 (purge_line_number_notes): Ditto.
2804 (unshare_all_rtl): Ditto.
2805 (remove_unnecessary_notes): Ditto.
2806 (recompute_reg_usage): Ditto.
2807 (variable_tracking_main): Ditto.
2808 * gcc/integrate.c (emit_initial_value_sets): Ditto.
2809 * gcc/integrate.h (emit_initial_value_sets): Ditto.
2810 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
2811 (execute_free_cfg_annotations): Ditto.
2812 (execute_fixup_cfg): Ditto.
2813 (execute_cleanup_cfg_pre_ipa): Ditto.
2814 (execute_cleanup_cfg_post_optimizing): Ditto.
2815 (execute_init_datastructures): Ditto.
2816 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
2817 * gcc/combine.c (rest_of_handle_combine): Ditto.
2818 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
2819 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
2820 (rest_of_handle_reorder_blocks): Ditto.
2821 (rest_of_handle_partition_blocks): Ditto.
2822 * gcc/var-tracking.c (variable_tracking_main): Ditto.
2823 * gcc/tree-profile.c (tree_profiling): Ditto.
2824 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
2825 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
2826 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
2827 (rest_of_handle_sched2): Ditto.
2828 * gcc/basic-block.h (free_bb_insn): Ditto.
2829 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
2830 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
2831 (remove_useless_stmts): Ditto.
2832 (split_critical_edges): Ditto.
2833 (execute_warn_function_return): Ditto.
2834 (execute_warn_function_noreturn): Ditto.
2835 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
2836 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
2837 * gcc/passes.c (execute_one_pass): Run additional
2838 todos returned by execute function.
2839 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
2842 2006-03-02 Richard Guenther <rguenther@suse.de>
2844 * tree-ssa-alias.c (find_used_portions): Consider taking
2845 the address as making the variable not write-only.
2847 2006-03-02 Nick Clifton <nickc@redhat.com>
2849 * config.gcc (default_use_cxa_atexit): Extend the description of
2850 this configure variable. Set its default value to "yes" for
2851 Linux, NetBSD and ELF targets on the assumption that they will
2852 use C libraries with the __cxa_atexit function.
2854 2006-03-02 Ben Elliston <bje@au.ibm.com>
2856 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
2857 parameter as unused to suppress a build warning.
2859 2006-03-02 Ben Elliston <bje@au.ibm.com>
2861 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
2864 2006-03-01 Roger Sayle <roger@eyesopen.com>
2867 * gthr-posix.h (__gthrw2): Define to take three parameters, the
2868 declared name, the weak reference name, and the typeof name.
2869 (__gthrw): Avoid expanding the declared name suffix.
2870 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
2872 2006-03-01 Jakub Jelinek <jakub@redhat.com>
2874 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
2876 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
2877 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
2878 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
2879 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
2880 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
2881 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
2882 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
2883 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
2884 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
2885 DW_DS_leading_separate, DW_DS_trailing_separate): New.
2886 (DW_END_default, DW_END_big, DW_END_little): New.
2887 (DW_END_lo_user, DW_END_hi_user): Define.
2888 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
2889 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
2890 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
2893 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2895 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
2897 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
2899 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
2901 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
2903 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
2904 to 'symbol_mem_tag'.
2906 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
2909 2006-03-01 Roger Sayle <roger@eyesopen.com>
2911 * builtins.c (fold_builtin_copysign): Delete unreachable code.
2913 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2916 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
2917 MACHO_DYNAMIC_NO_PIC_P.
2918 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
2920 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2923 * config/darwin-protos.h (darwin_asm_output_anchor):
2925 * config/darwin-sections.def (cstring_section):
2926 Add SECTION_MERGE to the flags.
2927 (literal4_section): Likewise.
2928 (literal8_section): Likewise.
2929 (objc_selector_refs_section): Likewise.
2930 (objc_cls_refs_section): Likewise.
2931 * config/darwin.c (darwin_asm_output_anchor): New
2933 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2935 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
2937 Fix PR tree-optimization/26443
2938 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
2939 to todo and PROP_tmt_usage to properties_destroyed.
2940 * tree-ssa-ccp.c (pass_ccp): Ditto.
2941 (pass_store_ccp): Ditto.
2942 * tree-ssa-dom.c (pass_dominator): Ditto.
2944 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2946 * tree-ssa-operands.c: Cleanup whitespace.
2947 (get_asm_expr_operands): Move before first invocation.
2948 (get_indirect_ref_operands): Likewise.
2949 (get_tmr_operands): Likewise.
2950 (get_call_expr_operands): Likewise.
2951 (append_def): Likewise.
2952 (append_use): Likewise.
2953 (append_v_may_def): Likewise.
2954 (append_v_must_def): Likewise.
2955 (add_call_clobber_ops): Likewise.
2956 (add_call_read_ops): Likewise.
2957 (add_stmt_operand): Likewise.
2958 (add_virtual_operand): Likewise.
2959 (build_ssa_operands): Likewise.
2961 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2966 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2967 with a call expr to ...
2968 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2970 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2972 * tree-vrp.c (extract_range_from_assert): Remove special
2973 handling for types with super-types.
2975 2006-03-01 Ben Elliston <bje@au.ibm.com>
2977 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
2978 and powerpc64-*-linux* configurations.
2979 * config/t-dfprules: New file.
2981 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
2982 Compile dfp-bit.c from the source directory using -DWIDTH and
2983 $DFP_CFLAGS to control the compilation of that file, rather than
2984 generating width-specific versions in the build directory.
2985 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
2986 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
2988 2006-02-28 Zack Weinberg <zackw@panix.com>
2990 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
2993 2006-02-28 Eric Christopher <echristo@apple.com>
2995 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
2996 Set up IN_LIBGCC definition of TARGET_64BIT.
2997 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
2999 2006-02-28 Roger Sayle <roger@eyesopen.com>
3002 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
3003 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
3004 cases via the construction of "expr != 0".
3006 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
3008 * alias.c (alias_invariant, alias_invariant_size): Remove.
3009 (record_base_value): Remove.
3010 (memrefs_conflict_p): Don't look at alias_invariant.
3011 (end_alias_analysis): Don't free it.
3012 * alias.h (record_base_value): Remove prototype.
3014 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
3015 Adam Nemet <anemet@caviumnetworks.com>
3017 * rtl.h (truncated_to_mode): Declare it.
3018 (struct rtl_hooks): Add reg_truncated_to_mode hook.
3019 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
3020 (RTL_HOOKS_INITIALIZER): Include it.
3021 * rtlhooks.c (reg_truncated_to_mode_general): New function.
3022 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
3023 reg_truncated_to_mode.
3024 * rtlanal.c (truncated_to_mode): Define it.
3025 * simplify-rtx.c (simplify_unary_operation_1): Use it.
3027 2006-02-28 Jeff Law <law@redhat.com>
3029 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
3030 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
3031 the range allowed by TYPE_PRECISION.
3033 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
3035 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
3037 PR tree-optimization/26419
3038 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
3041 2006-02-27 Zack Weinberg <zackw@panix.com>
3043 * doc/md.texi: Fix typo in previous change.
3045 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3049 2006-02-27 Zack Weinberg <zackw@panix.com>
3051 * rtl.def (define_constraint, define_register_constraint)
3052 (define_memory_constraint, define_address_constraint): New MD forms.
3053 * gensupport.c (process_rtx): Put define_constraint etc on the
3055 * genpreds.c (process_define_predicate): Adjust comment. Validate
3056 the name, and call validate_exp to validate the expression.
3057 (mark_mode_tests, write_extract_subexp): Can assume correct input.
3058 (write_predicate_expr): Likewise. NAME argument no longer necessary;
3059 all callers changed.
3060 (validate_exp, needs_variable, struct constraint_data)
3061 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
3062 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
3063 (const_dbl_constraints, constraint_max_namelen)
3064 (have_register_constraints, have_memory_constraints)
3065 (have_address_constraints, have_address_constraints)
3066 (have_extra_constraints, have_const_int_constraints)
3067 (have_const_dbl_constraints, mangle, add_constraint)
3068 (process_define_constraint, process_define_register_constraint)
3069 (write_enum_constraint_num, write_lookup_constraint)
3070 (write_insn_constraint_len, write_regclass_for_constraint)
3071 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
3072 (write_insn_extra_memory_constraint)
3073 (write_insn_extra_address_constraint)
3074 (write_satisfies_constraint_fns): New.
3075 (write_tm_preds_h): If we have new-style constraint definitions,
3076 prototype the functions generated from them, and define the
3077 old constraint interface (still used by generic code) in terms of
3079 (write_insn_preds_c): If we have new-style constraint definitions,
3080 generate all relevant functions from those definitions.
3081 (main): Handle define_constraint etc.
3082 * genoutput.c (struct constraint_data, indep_constraints)
3083 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
3084 (mdep_constraint_len): New data structures and functions, defined
3085 #ifdef USE_MD_CONSTRAINTS.
3086 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
3087 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
3088 use new logic to validate operand constraints against constraint
3090 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
3092 * defaults.h: If none of the old-style constraint macros are
3093 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
3094 old-style macros; and poison REG_CLASS_FROM_LETTER,
3095 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
3097 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
3098 * doc/md.texi: Document new constraint-definition mechanism and the
3099 C interface it provides. Remove references to old mechanism
3100 elsewhere in the document.
3101 (Machine Constraints): Use pathnames relative to gcc directory,
3102 i.e. config/ARCH/FILE. Change i386 section to refer to
3103 config/i386/predicates.md; update that section to match docstrings.
3104 * doc/tm.texi: Move all documentation of the old constraint-
3105 definition macros to their own section, clearly mark as obsolete.
3107 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
3108 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
3110 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
3111 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3112 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
3114 (splits and peepholes): Use satisfies_constraint_*.
3115 * config/i386/i386.c (memory_address_length)
3116 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
3118 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3120 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
3121 scalar operation to be put back into the loop.
3123 2006-02-27 Jakub Jelinek <jakub@redhat.com>
3126 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
3127 (extract_cie_info): Handle S flag in augmentation string.
3128 (execute_cfa_program): If context->signal_frame, execute also
3129 fs->pc == context->ra instructions.
3130 (uw_frame_state_for): If context->signal_frame, don't subtract one
3131 from context->ra to find FDE.
3132 (uw_update_context_1): Set context->signal_frame to
3134 (_Unwind_GetIPInfo): New function.
3135 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
3136 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
3138 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
3139 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
3140 * unwind-compat.c (_Unwind_GetIPInfo): New function.
3141 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
3142 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
3143 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
3144 * config/i386/linux-unwind.h (x86_fallback_frame_state,
3145 x86_64_fallback_frame_state): Set fs->signal_frame.
3146 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
3147 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
3148 (frob_update_context): Likewise. Workaround missing S flag in
3149 Linux 2.6.12 - 2.6.16 kernel vDSOs.
3150 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
3151 Remove the psw_addr + 1 hack.
3153 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
3155 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
3156 with aggregates here.
3157 (find_func_aliases): Remove code for &<aggregate> from here.
3159 2006-02-26 Roger Sayle <roger@eyesopen.com>
3161 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
3162 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
3163 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
3166 2006-02-26 Roger Sayle <roger@eyesopen.com>
3169 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
3171 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
3173 * opts.c (decode_options): Do not handle flag_strength_reduce.
3174 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
3175 and OPT_fstrength_reduce.
3176 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
3177 flag_prefetch_loop_arrays for being nonzero.
3178 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
3180 (fprefetch-loop-arrays-rtl): Removed.
3181 (flag_prefetch_loop_arrays): Do not specify the value.
3183 * doc/passes.texi: Update documentation of loop optimizer
3185 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
3186 -frerun-loop-opt): Remove.
3188 2006-02-26 Richard Guenther <rguenther@suse.de>
3190 PR tree-optimization/26421
3191 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
3192 in function calls that are ADDR_EXPRs as using the whole structure.
3194 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
3196 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
3197 * tree-pass.h (pass_loop_optimize): Remove.
3198 * passes.c (pass_loop_optimize): Never run it.
3199 * toplev.c (backend_init): Don't call init_loop.
3200 * opts.c (flag_loop_optimize_set): Remove.
3201 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
3202 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
3203 the old RTL loop optimizer when profiling enabled.
3204 * predict.c (tree_estimate_probability): Always strip builtin_expect.
3205 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
3206 pre-headers for the sake of the old RTL loop optimizer.
3207 * Makefile.in: Remove all references to loop.o.
3209 * doc/invoke.texi: Remove all references to -floop-optimize
3210 and -frerun-loop-opt.
3212 2006-02-26 Zack Weinberg <zackw@panix.com>
3214 * doc/md.texi (Machine Constraints): Refer to all files with paths
3215 relative to gcc directory (i.e. config/CPU/file). Add missing
3216 @table @code ... @end table to M32C subsection.
3218 2006-02-26 Roger Sayle <roger@eyesopen.com>
3220 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
3222 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
3224 2006-02-26 Roger Sayle <roger@eyesopen.com>
3225 James A. Morrison <phython@gcc.gnu.org>
3228 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
3229 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
3230 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
3231 signedness of the shift operation.
3233 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
3235 PR tree-optimization/26359
3236 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
3238 2006-02-25 Roger Sayle <roger@eyesopen.com>
3240 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3241 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3242 as X == 0, and some symmetry related transformations.
3243 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3245 2006-02-25 Roger Sayle <roger@eyesopen.com>
3248 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3249 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3250 symmetry related transformations. Fold (X^C1) == C2 as
3253 2006-02-25 Juergen Weigert <jw@suse.de>
3254 Richard Guenther <rguenther@suse.de>
3256 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3258 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3260 * combine.c (gen_lowpart_or_truncate): Call
3261 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3263 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3265 * doc/invoke.texi: Move -fopenmp description to "Options for
3267 Remove reference to -lgomp.
3269 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3271 * doc/install.texi: Require GNU tar version 1.14.
3273 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3275 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3276 * doc/invoke.texi (C++ Dialect Options): Document
3277 -fno-use-cxa-get-exception-ptr.
3278 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3279 * configure: Regenerate.
3280 * c.opt (fuse-cxa-get-exception-ptr): New.
3281 * c-opts.c (c_common_handle_option): Handle
3282 OPT_fuse_cxa_get_exception_ptr.
3283 * c-common.c (flag_use_cxa_atexit): Update documentation.
3284 (flag_use_cxa_get_exception_ptr): New.
3285 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3286 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3288 (C_COMMON_OVERRIDE_OPTIONS): New.
3290 2006-02-24 Roger Sayle <roger@eyesopen.com>
3293 * combine.c (try_combine): Explicitly check whether GET_CODE is
3294 a SET or a CLOBBER, instead on checking that it isn't a USE.
3296 2006-02-24 Roger Sayle <roger@eyesopen.com>
3298 * fold-const.c (fold_comparison): New subroutine of fold_binary
3299 containing transformations common to both the equality and
3300 ordering relational operators, factored out of fold_binary.
3301 (fold_binary): Separate out the equality operators (EQ_EXPR
3302 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3303 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3304 transformations common to both.
3305 (fold_div_compare): Fix latent bugs in the previously unreachable
3306 LT_EXPR and GE_EXPR cases.
3308 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3310 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3311 decl libname for clog to __clog on AIX.
3313 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3315 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3318 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3319 output traceback table for thunks. Localise rs6000_stack_info call.
3321 2006-02-23 Roger Sayle <roger@eyesopen.com>
3322 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3324 * gthr-posix.h (__gthrw): Fix typo in comment.
3326 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3328 * doc/cpp.texi (Character sets): Document that we do support
3329 input files to be in any character set.
3331 2006-02-23 Jeff Law <law@redhat.com>
3333 * tree.h (PHI_ARG_NONZERO): Remove.
3334 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3335 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3336 node to the new node.
3338 PR tree-optimization/26425
3339 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3340 min/max, then assume its varying.
3342 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3344 PR rtl-optimization/26316
3345 * rtlanal.c (enum may_trap_p_flags): New.
3346 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3347 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3348 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3349 (may_trap_after_code_motion_p): New function.
3350 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3351 (find_invariant_insn): Use may_trap_after_code_motion_p.
3352 * rtl.h (may_trap_after_code_motion_p): Declare.
3354 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3356 * emit-rtl.c (immed_double_const): Cleanup.
3358 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3360 Fix PR tree-optimization/26376
3361 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3364 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3367 * gimplify.c (omp_add_variable): Guard variable size decl test with
3368 DECL_SIZE (decl) check.
3370 2006-02-23 Richard Guenther <rguenther@suse.de>
3373 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3374 like aggregate types.
3376 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3378 * configure.ac: Add --with{,out}-long-double-128 configure option.
3379 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3380 * configure: Rebuilt.
3381 * config.in: Rebuilt.
3382 * doc/install.texi (Options specification): Document
3383 --with-long-double-128.
3385 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3386 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3387 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3388 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3390 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3392 * config/s390/s390.c (override_options): Handle
3393 TARGET_DEFAULT_LONG_DOUBLE_128.
3395 * config/alpha/alpha.c (override_options): Handle
3396 TARGET_DEFAULT_LONG_DOUBLE_128.
3398 * config/sparc/sparc.c (sparc_override_options): Handle
3399 TARGET_DEFAULT_LONG_DOUBLE_128.
3401 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3403 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3404 (real-install-headers-tar, real-install-headers-cpio)
3405 (real-install-headers-cp): New targets.
3407 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3409 * tree.h (variable_section): Delete.
3410 * varasm.c (variable_section): Delete.
3412 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3414 * install.texi: Add notes on install.texi2html.
3415 (Building in parallel): Do not use footnotes.
3417 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3420 * doc/install.texi (Configuration): Document --disable-libgomp.
3422 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3424 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3426 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3428 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3429 (vec_extractv2df_0_sse): New.
3431 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3433 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
3434 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
3435 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
3436 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
3437 to the result of the expression.
3438 (def_cfa_1): Adjust.
3439 (frame_pointer_cfa_offset): Rename to...
3440 (frame_pointer_fb_offset): ... this. Adjust all uses.
3441 (convert_cfa_to_loc_list): Rename to...
3442 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
3443 Pass it on to build_cfa_loc.
3444 (compute_frame_pointer_to_cfa_displacement): Rename to...
3445 (compute_frame_pointer_to_fb_displacement): ... this. New
3446 offset parameter. Use it in computation.
3447 (gen_subprogram_die): Compute cfa_fb_offset with the new
3448 macro, and use it to compute the fb loc list and the
3451 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
3453 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
3454 replaced with register_operand.
3455 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
3456 non-DREG is expensive.
3457 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
3458 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
3461 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
3463 * doc/install.texi2html: Use set -e.
3465 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3467 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3468 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3469 * doc/invoke.texi (-fshared-data): Delete.
3470 * common.opt (fshared-data): Delete.
3471 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
3472 (assemble_static_space): Remove #if 0 code.
3473 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3474 (ASM_OUTPUT_SHARED_LOCAL): Poison.
3475 * config/cris/cris.h: Remove FIXME.
3477 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
3479 * doc/sourcebuild.texi (Front End Directory): No more double-colon
3482 2006-02-21 Jakub Jelinek <jakub@redhat.com>
3485 * combine.c (simplify_shift_const_1): Disable nested shifts
3486 optimization for vector shifts.
3488 2006-02-20 Roger Sayle <roger@eyesopen.com>
3490 PR tree-optimization/26361
3491 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
3492 of unsigned integer types.
3494 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
3496 * tree-chrec.c (eq_evolutions_p): New.
3497 * tree-chrec.h (eq_evolutions_p): Declared.
3498 * tree-data-ref.c: Fix formatting.
3499 (datadep_stats, dependence_stats): New.
3501 (print_direction_vector): New.
3502 (dump_data_dependence_relation): Use print_direction_vector.
3503 (object_analysis, create_data_ref): Handle COMPONENT_REF.
3504 (compute_subscript_distance): Static.
3505 (initialize_data_dependence_relation): Static. Get the number
3506 of loops surrounding the references from the callers, and initialize
3507 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
3508 base_object_differ_p analyzers.
3509 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
3510 compute_overlap_steps_for_affine_1_2,
3511 analyze_subscript_affine_affine): Count the classified dependences.
3512 Print a message when a test failed.
3513 (can_use_analyze_subscript_affine_affine): New.
3514 (analyze_siv_subscript): Compute the data dependences on symbolic
3515 scevs that verify can_use_analyze_subscript_affine_affine.
3516 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3517 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3518 Handle symbolic scevs.
3519 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3521 (subscript_dependence_tester): Moved...
3522 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3523 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3524 DDR_SIZE_VECT instead of getting it in parameter.
3525 (subscript_dependence_tester): ... here. Take as a parameter
3526 loop_nest_depth. Call build_classic_dist_vector and
3527 build_classic_dir_vector.
3528 (compute_affine_dependence): Update subscript_dependence_tester
3529 parameters. Update datadep_stats counters. Call
3530 compute_subscript_distance.
3531 (compute_self_dependence): Save the dist and dir vectors. Call
3532 compute_subscript_distance.
3533 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3534 (compute_all_dependences): Reorder parameters as they were before
3535 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3536 compute_subscript_distance. Update the use of
3537 compute_affine_dependence and initialize_data_dependence_relation.
3538 (find_data_references_in_loop): Handle COMPONENT_REF.
3539 (compute_data_dependences_for_loop): Initialize dependence_stats.
3540 Don't call build_classic_dist_vector and build_classic_dir_vector.
3541 Update the parameters of initialize_data_dependence_relation and
3542 compute_all_dependences. Print the statistics from datadep_stats.
3543 (analyze_all_data_dependences): Static. Not used until the pass for
3544 checking the data dependences is contributed.
3545 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3546 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3547 (initialize_data_dependence_relation, compute_affine_dependence,
3548 analyze_all_data_dependences, compute_subscript_distance): Removed.
3549 (print_direction_vector): New.
3550 * lambda.h (gcd): ... here.
3551 (lambda_vector_gcd): Moved here from gcd_vector.
3552 * lambda-code.c (gcd, gcd_vector): Removed.
3553 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3554 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3556 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3558 * ipa-type-escape.c: Tidy some comments and white space.
3559 * tree-ssa-operands.c: Likewise.
3561 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3564 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3565 (dump_decl_name): Do not walk the decl tree chains.
3566 * tree-pass.h (TDF_CHAIN): Remove.
3568 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3570 * Makefile.in (C): Remove
3572 (.PHONY): Remove C and PROTO
3574 2006-02-20 Roger Sayle <roger@eyesopen.com>
3577 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
3578 deprecated CHAR_TYPE tree code.
3580 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3582 * configure.ac (target_list): Add install-info, dvi, html.
3583 * configure: Regenerate.
3585 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
3586 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
3587 treelang/Make-lang.in: Do not use double-colon rules.
3589 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
3591 * tree.h (struct tree_memory_tag): Add is_used_alone member.
3592 (TMT_USED_ALONE): New macro.
3593 * tree-pass.h (PROP_tmt_usage): New property.
3594 (TODO_update_tmt_usage): New todo.
3595 * tree-ssa-alias.c (updating_used_alone): New variable.
3596 (recalculate_used_alone): New function.
3597 (compute_may_aliases): Set updating_used_alone, call
3598 recalculate_used_alone.
3599 * tree-sra.c (pass_sra): Note that this pass destroys
3600 PROP_tmt_usage, and add TODO_update_tmt_usage.
3601 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
3602 * tree-flow.h (updating_used_alone): Prototype.
3603 (recalculate_used_alone): Ditto.
3604 * passes.c (execute_todo): Add code to set updating_used_alone,
3605 and call recalculate.
3606 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
3607 for clobber if used alone, and add assert to verify used_alone
3610 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
3612 * config/s390/s390.c (legitimize_pic_address): Assertions checking
3613 for non tls symbols added.
3614 (legitimize_address): Do nothing for PLUS expressions if one of the
3615 addends is a tls symbol reference.
3617 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3621 * Makefile.in (LDFLAGS): Define from autoconf substitution.
3623 * Makefile.in (BOOTSTRAPPING): New.
3624 (quickstrap): New definition if BOOTSTRAPPING=yes.
3626 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
3627 * configure.ac: Substitute all_selected_languages with the languages
3628 that were configured. For all the other variables except
3629 lang_specs_files, include all the languages in the tree.
3630 * configure: Regenerate.
3632 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
3633 if there is one. Run the commands to run fixincludes in the same
3636 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
3637 * doc/install.texi: Document exact conventions for searching target tools.
3638 Document --with-build-time-tools. Document toplevel bootstrap. Document
3639 something more about building an Ada cross-compiler. Don't list GNU Make
3640 requirements which affect all platforms.
3642 2006-02-19 Roger Sayle <roger@eyesopen.com>
3645 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
3646 only equivalent if the have both the same mode and precision.
3648 2006-02-20 Ben Elliston <bje@au.ibm.com>
3650 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
3652 2006-02-19 Roger Sayle <roger@eyesopen.com>
3653 Steven Bosscher <stevenb.gcc@gmail.com>
3655 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
3656 constant pool references to identify stack mode constants.
3657 * rtlanal.c (constant_pool_constant_p): New predicate to check
3658 whether operand is a floating point constant in the pool.
3659 * rtl.h (constant_pool_constant_p): Prototype here.
3660 * loop.c (scan_loop): Avoid hoisting constants from the constant
3661 pool on STACK_REGS targets.
3662 (load_mems): Likewise.
3663 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
3664 loads into x87 registers expensive in terms of register pressure.
3666 2006-02-19 Roger Sayle <roger@eyesopen.com>
3668 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
3669 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
3671 2006-02-19 David Edelsohn <edelsohn@gnu.org>
3673 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3674 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
3676 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
3678 * doc/invoke.texi: Document -fipa-pta.
3679 * common.opt: Add ipa-pta option.
3680 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
3681 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
3682 (do_ds_constraint): Ditto.
3683 (get_constraint_for): Only add to referenced_vars if
3684 referenced_vars exists.
3685 (insert_into_field_list): Rewrite to do this unsorted.
3686 (insert_into_field_list_sorted): Rename old insert_into_field_list
3688 (create_function_info_for): Use insert_into_field_list_sorted.
3689 (create_variable_info_for): Rewrite so it uses unsorted version,
3690 since the field list is sorted.
3691 (intra_create_variable_infos): Only add to referenced_vars if
3692 referenced_vars exists.
3693 (ipa_pta_execute): Init heapvars, and delete when done.
3694 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
3696 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3698 * doc/install.texi: Add missing `@samp'.
3700 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3702 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
3705 2006-02-18 Mark Wielaard <mark@klomp.org>
3707 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
3708 who added new 4.1 features, bug fixes and integration support.
3710 2006-02-18 David Edelsohn <edelsohn@gnu.org>
3713 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
3716 2006-02-18 Richard Sandiford <richard@codesourcery.com>
3718 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
3719 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
3720 (copy_insn_1): Likewise. Don't copy each field individually.
3722 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
3724 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
3725 * rtl.c (rtx_size): Rename variable to...
3726 (rtx_code_size): ...this.
3727 (rtx_size): New function.
3728 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
3729 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
3731 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
3732 * rtl.h (rtx_code_size): New variable.
3733 (rtx_size): Change from a variable to a function.
3734 (RTX_SIZE): Rename to...
3735 (RTX_CODE_SIZE): ...this.
3738 PR tree-optimization/17106
3739 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
3740 (Anchored Addresses): New section.
3741 * doc/invoke.texi (-fsection-anchors): Document.
3742 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
3743 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
3744 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
3745 * hooks.c (hook_bool_mode_rtx_false): New function.
3746 * hooks.h (hook_bool_mode_rtx_false): Declare.
3747 * gengtype.c (create_optional_field): New function.
3748 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
3749 SYMBOL_REF_IN_BLOCK_P is true.
3750 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
3751 (min_anchor_offset, max_anchor_offset): Likewise.
3752 (use_anchors_for_symbol_p): New hook.
3753 * toplev.c (compile_file): Call output_object_blocks.
3754 (target_supports_section_anchors_p): New function.
3755 (process_options): Check that -fsection-anchors is only used on
3756 targets that support it and when -funit-at-a-time is in effect.
3757 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
3758 if the decl doesn't have one.
3759 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
3760 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
3761 of force_const_mem through use_anchored_address.
3762 (expand_expr_constant): New function.
3763 (expand_expr_addr_expr_1): Call it. Use the same modifier when
3764 calling expand_expr for INDIRECT_REF.
3765 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
3766 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
3767 * expr.h (use_anchored_address): Declare.
3768 * loop-unroll.c: Don't declare rtx vectors here.
3769 * explow.c: Include output.h.
3770 (validize_mem): Call use_anchored_address.
3771 (use_anchored_address): New function.
3772 * common.opt (-fsection-anchors): New switch.
3773 * varasm.c (object_block_htab, anchor_labelno): New variables.
3774 (hash_section, object_block_entry_eq, object_block_entry_hash)
3775 (use_object_blocks_p, get_block_for_section, create_block_symbol)
3776 (use_blocks_for_decl_p, change_symbol_section): New functions.
3777 (get_variable_section): New function, split out from assemble_variable.
3778 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
3779 use_blocks_for_decl_p say so. Use change_symbol_section if the
3780 symbol has already been created.
3781 (assemble_variable_contents): New function, split out from...
3782 (assemble_variable): ...here. Don't output any code for
3783 block symbols; just pass them to place_block_symbol.
3784 Use get_variable_section and assemble_variable_contents.
3785 (get_constant_alignment, get_constant_section, get_constant_size): New
3786 functions, split from output_constant_def_contents.
3787 (build_constant_desc): Create a block symbol if use_object_blocks_p
3788 says so. Or into SYMBOL_REF_FLAGS.
3789 (assemble_constant_contents): New function, split from...
3790 (output_constant_def_contents): ...here. Don't output any code
3791 for block symbols; just pass them to place_section_symbol.
3792 Use get_constant_section and get_constant_alignment.
3793 (force_const_mem): Create a block symbol if use_object_blocks_p and
3794 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
3795 (output_constant_pool_1): Add an explicit alignment argument.
3796 Don't switch sections here.
3797 (output_constant_pool): Adjust call to output_constant_pool_1.
3798 Switch sections here instead. Don't output anything for block symbols;
3799 just pass them to place_block_symbol.
3800 (init_varasm_once): Initialize object_block_htab.
3801 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
3802 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
3803 (place_block_symbol, get_section_anchor, output_object_block)
3804 (output_object_block_htab, output_object_blocks): New functions.
3805 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
3806 (TARGET_ASM_OUT): Include it.
3807 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
3808 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
3809 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
3810 (TARGET_INITIALIZER): Include them.
3811 * rtl.c (rtl_check_failed_block_symbol): New function.
3812 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
3813 (block_symbol, object_block): New structures.
3814 (rtx_def): Add a block_symbol field to the union.
3815 (BLOCK_SYMBOL_CHECK): New macro.
3816 (rtl_check_failed_block_symbol): Declare.
3817 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
3818 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
3819 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
3820 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
3821 * output.h (output_section_symbols): Declare.
3822 (object_block): Name structure.
3823 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
3824 (default_use_anchors_for_symbol_p): Declare.
3825 * Makefile.in (RTL_BASE_H): Add vec.h.
3826 (explow.o): Depend on output.h.
3827 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
3828 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3829 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3830 (rs6000_use_blocks_for_constant_p): New function.
3832 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3834 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
3836 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3839 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
3842 2006-02-18 Diego Novillo <dnovillo@redhat.com>
3844 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
3848 2006-02-18 Jakub Jelinek <jakub@redhat.com>
3851 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
3852 instead of DECL_REGISTER.
3854 2006-02-18 Olivier Hainque <hainque@adacore.com>
3857 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
3859 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
3862 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
3863 * opth-gen.awk: Handle Var and InverseMask together.
3864 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
3865 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
3866 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
3867 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
3869 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3870 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3871 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
3872 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3873 LINUX_DYNAMIC_LINKER): Define.
3874 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
3875 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
3877 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3878 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
3879 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3880 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3881 (TARGET_C99_FUNCTIONS): Don't define.
3882 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
3883 GLIBC_DYNAMIC_LINKER.
3884 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
3885 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
3886 GLIBC_DYNAMIC_LINKER64): Define.
3887 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3888 LINUX_DYNAMIC_LINKER64.
3889 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3890 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3891 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
3892 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3893 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3894 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3895 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
3896 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
3897 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
3898 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
3899 and LINUX_DYNAMIC_LINKER32.
3900 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3901 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3902 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
3903 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3904 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
3906 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
3907 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
3908 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3909 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3910 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3911 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
3912 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
3913 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
3914 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3915 LINUX_DYNAMIC_LINKER): Define.
3916 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
3917 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
3918 GLIBC_DYNAMIC_LINKER64): Define.
3919 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3920 LINUX_DYNAMIC_LINKER64.
3921 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3922 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3923 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
3924 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3925 LINUX_DYNAMIC_LINKER): Define.
3926 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3927 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3928 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
3929 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
3930 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
3931 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3932 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
3933 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
3934 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3935 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3936 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3937 * doc/invoke.texi (-muclibc): Remove caveat about supported
3940 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3942 * doc/cpp.texi (__TIMESTAMP__): Document.
3944 2006-02-17 Roger Sayle <roger@eyesopen.com>
3947 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
3948 C is one less than the width of X (and related transformations).
3949 * simplify-rtx.c (simplify_unary_operation_1): Transform
3950 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
3951 depending on STORE_FLAG_VALUE, were C is one less then the
3954 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
3956 Fix PR tree-optimization/26341
3957 * tree-ssa-operands.c (add_virtual_operand): Remove assert
3958 about NAME_MEMORY_TAG's.
3960 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3963 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
3964 with hardware float support, and software float support. Add fcpy
3965 alternative to hardware patterns. Add alternatives to copy between
3966 general and floating-point registers to the 32-bit pattern.
3967 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
3968 secondary reload to load a QI or HI mode constant into a floating
3970 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
3971 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
3973 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
3976 * config/rs6000/darwin.md (load_macho_picbase_si): Add
3978 (load_macho_picbase_di): Likewise.
3980 2006-02-16 Jeff Law <law@redhat.com>
3982 * tree-vrp.c (set_value_range_to_nonnegative): New function.
3983 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
3984 (ssa_name_nonzero_p): Likewise.
3985 (get_value_range): Return NULL if VRP is not running.
3986 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
3987 VRP routines do not discover a range.
3988 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
3989 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
3990 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
3991 (tree_expr_nonnegative_p): Similarly.
3992 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
3993 (restore_nonzero_vars_to_original_value): Remove.
3994 (unsafe_associative_fp_binop): Remove.
3995 (tree_ssa_dominator_optimize): Remove initialization and
3996 finalization of nonzero_vars and nonzero_vars_stack.
3997 (dom_opt_initialize_block): No longer push marker on
3999 (dom_opt_finalize_block): No longer call
4000 restore_nonzero_vars_to_original_value.
4001 (record_equivalences_from_phis): No longer look for
4002 nonzero PHI arguments.
4003 (cprop_into_successor_phis): No longer propagate nonzero
4004 property into PHI arguments. Lose unused argument. Caller
4006 (record_equivalences_from_stmt): No longer record nonzero
4007 values for SSA_NAMEs.
4008 (lookup_avail_expr): No longer use nonzero_vars.
4010 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
4011 for sizetype when sizetype is unsigned.
4013 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
4015 PR rtl-optimization/25603
4016 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
4017 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
4018 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
4019 with new meaning of SETS.
4021 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
4026 * config/linux.opt: New file.
4027 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4028 LINUX_DYNAMIC_LINKER): Define.
4029 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
4030 * config.gcc (*-*-linux*): Define extra_options.
4031 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
4032 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
4033 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
4034 GLIBC_DYNAMIC_LINKER.
4035 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
4036 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4037 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
4038 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
4039 * doc/invoke.texi (GNU/Linux Options): New section.
4041 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4043 * config/sparc/sparc.md (setjmp): Rewrite.
4044 (setjmp_32): Delete.
4045 (setjmp_64): Likewise.
4047 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
4049 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
4052 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4054 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
4057 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
4059 PR rtl-optimization/26296
4060 * Makefile.in (loop-invariant.c): Add except.h dependency.
4061 * loop-invariant.c: Include except.h.
4062 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
4064 2005-02-16 Paul Brook <paul@codesourcery.com>
4066 * reload1.c (emit_reload_insns): Invalidate dead input registers used
4069 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
4071 PR rtl-optimization/25636
4072 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
4073 when deciding whether an insn is an initializing insn.
4075 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
4077 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
4078 (tree_code_size): Ditto.
4079 * tree.h (struct tree_memory_tag): Remove parent_var.
4080 (struct tree_struct_field_tag): New.
4083 (union tree_node): Add sft member.
4084 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
4086 (create_sft): Add size and offset argument, set SFT_OFFSET and
4088 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
4089 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
4090 * tree-flow-inline.h (get_subvar_at): Update for
4091 SFT_OFFSET/SFT_SIZE.
4092 (var_can_have_subvars): Ditto.
4093 (overlap_subvar): Ditto.
4094 * print-tree.c (print_node): Print out interesting things for
4096 * tree-flow.h (struct subvar): Remove offset and size members.
4097 * tree-ssa-operands.c (get_expr_operands): Update for
4098 get_indirect_ref_operands changes.
4099 (get_indirect_ref_operands): Call add_virtual_operand instead of
4100 add_stmt_operand. Only recurse on base var if requested.
4101 (access_can_touch_variable): New function.
4102 (add_stmt_operand): Split virtual operand handling into ...
4103 (add_virtual_operand): Here. Add offset, size, and for_clobber
4104 arguments. Prune alias sets.
4105 (add_call_clobber_ops): Call add_virtual_operand.
4107 2006-02-15 Jakub Jelinek <jakub@redhat.com>
4110 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
4112 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
4113 than TREE_CODE as index into omp_clause_num_ops array.
4115 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
4117 PR rtl-optimization/26184
4118 * modulo-sched.c (generate_reg_moves): Free bitmap vector
4120 * modulo-sched.c (sms_schedule): Free g_arr pointer.
4121 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
4122 must_precede, must_follow and tobe_scheduled.
4125 * opts.c (common_handle_option): Free new_option pointer.
4126 * df-core.c (df_analyze): Free postorder pointer.
4128 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
4130 * Makefile.in: Fix the examples about the use of stamps
4132 2006-02-15 Michael Matz <matz@suse.de>
4136 * stor-layout.c (layout_decl): Zero-width bitfields aren't
4137 influenced by maximum_field_alignment or DECL_PACKED.
4138 (update_alignment_for_field): Ditto.
4139 (place_field): Ditto.
4140 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
4143 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
4145 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
4146 (debug_flow_info): Pass it.
4147 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
4148 * bb-reorder.c (reorder_basic_blocks): Likewise.
4149 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
4150 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
4151 * flow.c (life_analysis, recompute_reg_usage): Likewise.
4152 * gcse.c (gcse_main, bypass_jumps): Likewise.
4153 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
4154 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
4155 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
4156 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
4157 * rtl.h (dump_flow_info): Adjust prototype.
4158 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
4159 * var-tracking.c (variable_tracking_main): Likewise.
4160 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
4161 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
4164 2006-02-15 Marcin Dalecki <martin@dalecki.de>
4166 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
4169 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4171 PR tree-optimization/26209
4172 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
4173 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
4175 * tree-cfg.c (replace_uses_by): Do not alter cfg.
4177 2006-02-14 Roger Sayle <roger@eyesopen.com>
4180 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
4181 (X,Y) and the corresponding symmetry related transformations.
4182 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
4183 (X,Y) and its symmetry related transformations.
4185 2006-02-14 Roger Sayle <roger@eyesopen.com>
4187 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
4190 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
4192 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
4194 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4197 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
4198 support COMDAT group.
4199 * configure: Regenerate.
4201 2006-02-14 Roger Sayle <roger@eyesopen.com>
4206 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
4208 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
4210 Fix PR tree-optimization/26260
4212 * doc/invoke.texi (max-fields-for-field-sensitive): Document
4214 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
4215 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
4216 * tree-ssa-structalias.c (create_variable_info_for): Use
4217 MAX_FIELDS_FOR_FIELD_SENSITIVE.
4219 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
4221 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
4223 * tree-ssa-loop-niter.c (number_of_iterations_ne,
4224 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
4225 of the ending condition.
4226 * tree-ssa-loop-manip.c: Include params.h.
4227 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
4228 tree_unroll_loop): New functions.
4229 * tree-pass.h (pass_loop_prefetch): Declare.
4230 * loop.c (rest_of_handle_loop_optimize): Test for
4231 -fprefetch-loop-arrays-rtl.
4232 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
4233 * timevar.def (TV_TREE_PREFETCH): New timevar.
4234 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
4235 pass_loop_prefetch): New.
4236 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
4237 (cleanup_tree_cfg_loop): Call scev_reset.
4238 * common.opt (fprefetch-loop-arrays-rtl): Add.
4239 * tree-ssa-loop-prefetch.c: New file.
4240 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4241 (new_temp_expr_table): Initialize expr_vars.
4242 (free_temp_expr_table): Cleanup expr_vars.
4243 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4244 expressions from being merged into one.
4245 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4246 (struct tree_niter_desc): Add control, bound and cmp fields.
4247 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4249 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4250 (tree-cfgcleanup.o): Add SCEV_H dependency.
4251 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4252 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4254 2006-02-14 Richard Guenther <rguenther@suse.de>
4256 PR tree-optimization/26258
4257 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4258 in PHI argument processing.
4260 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4262 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4263 new expression in the requested machine mode.
4265 2006-02-13 Roger Sayle <roger@eyesopen.com>
4267 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4268 directly, instead let do_compare_rtx_and_jump handle this for us.
4269 * expr.c (expand_expr_real_1): Likewise.
4270 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4271 before do_jump_by_parts_greater.
4272 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4273 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4275 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4277 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4279 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4281 PR rtl-optimization/26235
4282 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4283 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4286 2006-02-13 Jeff Law <law@redhat.com>
4288 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4291 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4294 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4295 twice if decl is a builtin. When trying again, call get_callee_fndecl
4296 first to verify it is still a builtin.
4298 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4300 * dwarf2out.c (base_type_die): Don't add AT_name here.
4301 (subrange_type_die): Don't add AT_name here.
4302 (modified_type_die): Rearrange code flow. Do add AT_name here.
4304 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4306 PR rtl-optimization/26247
4307 PR rtl-optimization/26248
4308 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4310 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4312 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4313 * config/fixtfdi.c: Likewise.
4314 * config/fixunstfdi.c: Likewise.
4315 * config/floatditf.c: Likewise.
4317 2006-02-13 Roger Sayle <roger@eyesopen.com>
4320 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4321 into (X,C2) if C1 is a subset of the bits of C2. Transform
4322 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4324 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4326 2006-02-13 Josh Conner <jconner@apple.com>
4329 * varasm.c (function_section): Check for section name before
4330 calling select_section on targets that define
4331 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4332 unlikely_text_section instead of hot_function_section if
4333 first_function_block_is_cold.
4335 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4338 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4340 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4342 PR rtl-optimization/26222
4343 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4344 after tree->rtl expansion.
4345 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4346 before passing it to emit_move_insn.
4348 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4350 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4352 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4353 Clarify documentation.
4354 * c-common.h (warn_write_strings): Remove.
4355 * c-common.c (warn_write_strings): Likewise.
4356 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4359 2006-02-12 Roger Sayle <roger@eyesopen.com>
4362 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4363 (do_jump_parts_zero_rtx): New function renamed from
4364 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4365 (do_jump_parts_equality_rtx): New function split out from
4366 do_jump_parts_equality. Old implementation renamed as above.
4367 Call do_jump_parts_zero_rtx if either operand is zero.
4368 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4369 do all of the heavy lifting.
4370 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4371 calling either do_jump_by_parts_greater_rtx or
4372 do_jump_by_parts_equality_rtx.
4373 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4374 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4375 moved to do_compare_rtx_and_jump, call it directly.
4376 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4377 mode argument. Call do_compare_rtx_and_jump.
4378 (emit_case_nodes): Update calls to do_jump_if_equal.
4380 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4382 PR rtl-optimization/26225
4383 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4385 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4387 PR rtl-optimization/26232
4388 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4390 2006-02-11 Jason Merrill <jason@redhat.com>
4393 * tree-inline.c (declare_return_variable): Just don't use the
4394 modify target if it's a gimple complex reg and the return slot
4397 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4399 * doc/contrib.texi: Update my entry.
4401 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4403 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4405 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4407 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4410 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4412 * doc/invoke.texi (-floop-optimize2): Removed.
4413 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4414 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4415 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4416 * common.opt (floop-optimize2): Removed.
4417 (fmove-loop-invariants): Enabled by default.
4419 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4421 * tree-if-conv.c (combine_blocks): Free the result of
4422 get_loop_exit_edges.
4424 2006-02-10 Jeff Law <law@redhat.com>
4426 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4428 PR tree-optimization/26213
4429 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4430 loop trying to follow SSA_NAME_VALUE chains.
4432 2006-02-10 Richard Guenther <rguenther@suse.de>
4434 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
4435 deal with structures that end in implicitly variable sized arrays.
4437 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4439 PR rtl-optimization/24762
4440 * df-scan.c (df_bb_refs_record): Record correct registers defined on
4443 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4445 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4446 (struct ivopts_data): Add regs_used field.
4447 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
4448 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
4449 instead of loop_data->regs_used;
4450 (free_loop_data): Do not free aux fields for loops.
4451 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
4452 and tree_ssa_iv_optimize_finalize.
4454 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
4456 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
4458 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4461 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
4462 computing the effective result type.
4464 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4467 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4468 (tree_overlaps_hard_reg_set): Declare.
4469 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
4470 type and signature to match function type expected by walk_tree.
4471 (tree_overlaps_hard_reg_set): New function.
4472 (decl_conflicts_with_clobbers_p): Rename to:
4473 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
4474 Use tree_overlaps_hard_reg_set. Changed caller.
4475 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
4476 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
4477 * cris.c (cris_md_asm_clobbers): Likewise.
4479 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
4481 * reload1.c (emit_input_reload_insns): Delete code that tries to
4482 inherit using find_equiv_reg.
4484 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
4486 * c-common.h (flag_const_strings): Don't declare.
4487 * c-common.c (flag_const_strings): Remove.
4488 * c.opt (fconst_strings): Remove.
4489 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
4490 <OPT_Wwrite_strings>: Don't set flag_const_strings.
4491 (c_common_init_options): Don't set flag_const_strings.
4492 * doc/invoke.texi (-fno-const-strings): Remove documentation.
4494 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
4496 * arm.md (tlobits_cbranch): New pattern.
4497 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
4498 testing a single bit.
4500 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4503 * tree-ssa-pre.c (create_component_ref_by_pieces):
4504 Handle RETURN_DECL like VAR_DECL.
4506 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4509 * fold-const.c (fold_indirect_ref_1): Fold
4510 "*(foo *)&complexfoo" to "__real__ complexfoo"
4511 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
4513 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4515 * tree-flow-inline.h (var_can_have_subvars):
4516 Volatile variables should not have subvariables.
4518 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4521 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4522 multiplying unsigned values.
4525 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4527 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4529 2006-02-08 Jason Merrill <jason@redhat.com>
4532 * tree.def: Elaborate on difference from MODIFY_EXPR.
4533 * doc/c-tree.texi (INIT_EXPR): Likewise.
4534 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4535 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4536 (gimplify_target_expr): Likewise.
4537 (gimplify_cond_expr): Remove target handling.
4538 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4539 (gimplify_expr): Clobber it here.
4540 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4541 Do return slot optimization if we have an INIT_EXPR.
4544 * tree-inline.c (declare_return_variable): Also clear
4545 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4548 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4551 * gimplify.c (gimplify_one_sizepos): Fix typo.
4553 2006-02-08 Jeff Law <law@redhat.com>
4555 PR tree-optimization/21417
4556 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4557 across a backedge if the control statement at the end of the
4558 block is data dependent on other statements in the same block.
4559 (record_temporary_equivalences_from_stmts): Remove over-conservative
4560 test for threading across backedges.
4562 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4563 control statement, handle all three special cases in the same
4564 manner as they all have the same desired solution. No longer
4565 special case edge flag updating when the post dominator is
4568 2006-02-08 Roger Sayle <roger@eyesopen.com>
4570 * tree.def (CHAR_TYPE): Remove.
4571 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4572 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4573 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4574 (gen_string_type_die): Delete unreachable function.
4576 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
4577 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
4578 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
4579 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
4580 * builtins.c (type_to_class): Likewise.
4581 * fold-const.c (fold_convert, build_range_check,
4582 merge_ranges): Likewise.
4583 * expr.c (count_type_elements): Likewise.
4584 * c-pretty-print.c (pp_c_type_specifier): Likewise.
4585 * stor-layout.c (layout_type): Likewise.
4586 * ipa-type-escape.c (type_to_consider): Likewise.
4587 * gimplify.c (omp_firstprivatize_type_sizes,
4588 gimplify_type_sizes): Likewise.
4589 * explow.c (promote_mode): Likewise.
4590 * tree-sra.c (is_sra_scalar_type): Likewise.
4591 * varasm.c (output_constant): Likewise.
4592 * tree-inline.c (remap_type_1): Likewise.
4593 * convert.c (convert_to_pointer, convert_to_real,
4594 convert_to_integer, convert_to_complex): Likewise.
4596 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
4598 * df-scan.c (df_def_record_1): A set destination may
4599 be a parallel regardless of mode.
4601 2006-02-08 Roger Sayle <roger@eyesopen.com>
4604 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
4605 * config/mips/_tilib.c: Remove.
4606 * config/fixtfdi.c: New libgcc source file.
4607 * config/fixunstfdi.c: New source file.
4608 * config/floatditf.c: New source file.
4609 * config/floatunditf.c: New souce file.
4610 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4611 files above instead of config/mips/_tilib.c.
4612 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4614 2006-02-08 Jeff Law <law@redhat.com>
4616 PR tree-optimization/26169
4617 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
4620 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
4622 * df.h (DF_REG_SIZE): Return the length of the initialized
4625 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
4627 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
4628 __muldf3): Return a correctly signed zero.
4630 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
4632 * passes.c (register_one_dump_file): Accept the current properties
4633 instead of pass number. Adjust call to dump_register. Remove
4635 (register_dump_files): Now a wrapper around...
4636 (register_dump_files_1): ... this one. Do not modify the pass
4638 (next_pass_1): Cosmetic fix.
4639 (execute_todo): Keep second parameter only. Use curr_properties
4640 instead of fetching it from the pass structure. Check and set
4642 (execute_one_pass): Handle TODO_set_props. Use curr_properties
4643 instead of fetching it from the pass structure. Fix calls to
4644 execute_todo. Update curr_properties and initialize .vcg RTL dump
4645 after running the pass. Reset last_verified.
4646 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
4648 (FIRST_AUTO_NUMBERED_DUMP): New.
4649 (dump_register): Remove "num" parameter, assign it within the
4651 (get_dump_file_name): Modify template for dumps.
4652 * tree-dump.h (dump_register): Adjust prototype.
4653 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
4654 (PROP_trees): Add PROP_gimple_lomp.
4655 (TODO_set_props): New.
4656 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
4657 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
4658 * cfgexpand.c (pass_expand): Destroy PROP_trees.
4660 2006-02-08 Jakub Jelinek <jakub@redhat.com>
4662 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
4663 (sparc64-*-linux*): Likewise.
4664 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
4665 * config/sparc/t-linux: New file.
4666 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
4667 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
4668 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
4669 -m32 -mlong-double-128.
4671 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
4672 * config/alpha/t-linux: New file.
4673 * config/alpha/libgcc-alpha-ldbl.ver: New file.
4675 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
4676 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
4677 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
4678 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
4679 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
4680 (CPP_ARCH32_SPEC): Remove.
4682 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
4684 PR tree-optimization/26145
4685 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
4688 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4691 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
4692 >= 240000 when generating code for SOM runtime.
4693 (output_indirect_call): Don't use "b,l" instruction for indirect calls
4694 to $$dyncall when generating code for SOM runtime..
4696 2006-02-07 Dirk Mueller <dmueller@suse.com>
4699 * doc/invoke.texi (-Wsequence-point): Update documentation
4700 that -Wsequence-point is implemented for C++ as well.
4702 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4704 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
4705 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
4706 (LIB_SPEC): Likewise.
4707 * doc/invoke.texi (SPARC options): Document -pthread.
4709 2006-02-07 Geoffrey Keating <geoffk@apple.com>
4711 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
4714 2006-02-07 Roger Sayle <roger@eyesopen.com>
4716 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
4717 Correct comment describing BOOLEAN_TYPE.
4719 2006-02-07 Dirk Mueller <dmueller@suse.com>
4721 * c.opt: C++ frontend supports -Wdiv-by-zero.
4722 * c-opts.c (c_common_handle_option): Remove dead case.
4724 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4726 * configure.ac (TLS assembler check): Do not enable TLS by
4727 default on SPARC/Solaris before version 10.
4728 * configure: Regenerate.
4730 2006-02-07 David Edelsohn <edelsohn@gnu.org>
4732 * doc/invoke.texi (xl-compat): Document conversion and support
4735 2006-02-07 Jeff Law <law@redhat.com>
4737 * tree-vrp.c (find_conditional_asserts): Update comments.
4738 (simplify_stmt_for_jump_threading): New.
4739 (identify_jump_threads, finalize_jump_threads): New.
4740 (vrp_finalize): Call identify_jump_threads.
4741 (execute_vrp): Call finalize_jump_threads.
4742 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
4743 (vrp_element, vrp_data, vrp_element_p): Remove.
4744 (vrp_hash_elt, vrp_variables_stack): Remove.
4745 (vrp_hash, vrp_eq, record_range): Remove.
4746 (simplify_cond_and_lookup_avail_expr): Remove.
4747 (extract_range_from_cond): Remove.
4748 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
4749 (simplify_stmt_for_jump_threading): New.
4750 (dom_thread_across_edge): New wrapper.
4751 (tree_ssa_dominator_optimize): No longer initialize or
4752 finalize any of the VRP datastructures. Remove iteration
4753 step and simplify as a result of removal of iteration step.
4754 (pass_dominator): Perform a cfg cleanup after DOM.
4755 (dom_opt_finalize_block): Use the new common routines
4756 for threading jumps. Simplify stack management slightly.
4757 No longer need to unwind VRP state.
4758 (record_equivalences_from_incoming_edge): No longer record
4760 (eliminate_redundant_computations): No longer call
4761 simplify_cond_and_lookup_avail_expr.
4762 * tree-flow.h (potentially_threadable_block): Prototype.
4763 (thread_across_edge): Likewise.
4764 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
4765 (tree-ssa-threadedge.o): Add dependencies.
4766 * tree-ssa-threadedge.c: New file.
4767 * passes.c (init_optimization_passes): Merge PHIs before
4768 calling VRP. Run VRP again late in the SSA optimization pipeline.
4770 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4772 * df-core.c (df_set_blocks): Do not dereference function pointers.
4773 (df_finish1): Likewise.
4774 (df_hybrid_search_forward): Likewise.
4775 (df_hybrid_search_backward): Likewise.
4776 (df_iterative_dataflow): Likewise.
4777 (df_analyze_problem): Likewise.
4778 (df_compact_blocks): Likewise.
4779 (df_dump): Likewise.
4780 * df-scan.c (df_rescan_blocks): Likewise.
4781 (df_record_entry_block_defs): Likewise.
4783 * genconditions.c (write_conditions): Guard the definition of
4784 'insn_conditions' with the check on GCC version.
4785 (write_writer): Guard the traversal 'insn_conditions' with
4786 the check on GCC version.
4788 2006-02-07 Richard Guenther <rguenther@suse.de>
4792 2006-01-30 Richard Guenther <rguenther@suse.de>
4794 * gimplify.c (gimplify_target_expr): Handle easy cases
4795 without creating a temporary.
4797 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
4799 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
4800 use of float in probability computations. Use edge probabilities
4801 in place of statically computed probabilities.
4802 (min_spec_prob): New static variable.
4803 (schedule_insns): Initialize it.
4804 (GET_SRC_PROB): Removed.
4805 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
4807 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
4810 * config/ia64/unwind-ia64.c: Revert last change.
4811 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
4812 (INCOMING_FRAME_SP_OFFSET): Define.
4814 2006-02-06 Roger Sayle <roger@eyesopen.com>
4816 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
4818 2006-02-07 Ben Elliston <bje@au.ibm.com>
4820 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
4821 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
4822 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
4823 (ix86_return_in_memory): Handle TDmode.
4824 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
4825 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
4827 2006-02-06 Richard Sandiford <richard@codesourcery.com>
4829 * reorg.c (dbr_schedule): Use dump_file instead of file.
4831 2006-02-06 Steve Ellcey <sje@cup.hp.com>
4834 * config/ia64/predicates.md (extr_len_operand): New predicate.
4835 * config/ia64/ia64.md (extv): Tighten constraints.
4837 (*tbit_and_2): Ditto.
4838 (*tbit_and_3): Ditto.
4839 (*tbit_or_2): Ditto.
4840 (*tbit_or_3): Ditto.
4844 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
4847 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
4849 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
4851 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
4852 loop_optimizer_init and loop_optimizer_finalize
4853 * tree-ssa-sink.c (execute_sink_code): Ditto.
4854 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4855 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
4856 tree_ssa_loop_done): Ditto.
4857 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
4858 * sched-ebb.c: Include output.h.
4859 (schedule_ebbs): Do not use dump argument.
4860 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
4861 * loop.c (loop_dump_stream): Removed.
4862 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
4864 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
4865 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
4866 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
4867 loop_iterations, strength_reduce, record_biv, record_giv,
4868 final_giv_value, check_final_value, check_ext_dependent_givs,
4869 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
4870 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
4871 dump_file instead of loop_dump_stream.
4872 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
4874 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
4876 * flow.c (life_analysis, rest_of_handle_life): Ditto.
4877 * haifa-sched.c: Include output.h
4878 (schedule_insns, sched_init): Do not use dump argument.
4879 * mode-switching.c (optimize_mode_switching): Ditto.
4880 * modulo-sched.c (stats_file): Removed.
4881 (print_node_sched_params): Do not call argument dump_file.
4882 (sms_schedule_by_order, loop_canon_p, sms_schedule,
4883 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
4885 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
4887 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
4888 rtl_loop_init, rtl_loop_done): Ditto.
4889 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
4890 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
4892 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
4893 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
4894 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
4895 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
4896 * emit-rtl.c (renumber_insns): Ditto.
4897 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
4898 expand_gimple_basic_block, tree_expand_cfg): Ditto.
4899 * regclass.c (regclass): Ditto.
4900 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
4901 remove_ssa_form, rewrite_out_of_ssa): Ditto.
4902 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
4903 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
4905 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
4906 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
4908 * gcse.c (gcse_file, debug_stderr): Removed.
4909 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
4910 rest_of_handle_gcse): Do not use dump argument.
4911 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
4912 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
4913 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
4914 compute_code_hoist_vbeinout, compute_code_hoist_data,
4915 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
4916 compute_store_table, build_store_vectors, insert_insn_start_bb,
4917 insert_store, remove_reachable_equiv_notes, replace_store_insn,
4918 store_motion): Use dump_file instead of gcse_file.
4919 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
4920 * profile.c (profile_dump_file): Removed.
4921 (branch_prob): Use dump_file instead of profile_dump_file.
4922 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
4924 * tree-ssa-copy.c (dump_copy_of): Ditto.
4925 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
4926 dump file to life_analysis.
4927 * bt-load.c (branch_target_load_optimize): Ditto.
4928 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
4930 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
4931 regclass, dbr_schedule): Declaration changed.
4932 * sched-int.h (sched_init): Declaration changed.
4933 * tree-profile.c (tree_profile_dump_file): Removed.
4934 (tree_profile_hooks): Removed profile_dump_file hook.
4935 * rtl-profile (rtl_profile_dump_file): Removed.
4936 (rtl_profile_hooks): emoved profile_dump_file hook.
4937 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
4939 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
4940 * tree-cfg.c (build_tree_cfg): Ditto.
4941 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
4942 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
4943 Declaration changed.
4944 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
4945 life_analysis and schedule_insns.
4946 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
4948 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
4950 * config/mips/mips.c (mips_reorg): Ditto.
4951 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
4954 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
4956 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4957 (s390_mangle_fundamental_type): New.
4958 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4961 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4962 (alpha_mangle_fundamental_type): New.
4963 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4966 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4968 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4970 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4971 (sparc_mangle_fundamental_type): New.
4973 2006-02-06 Jakub Jelinek <jakub@redhat.com>
4975 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
4976 (s390x-*-linux*): Likewise.
4977 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
4978 * config/s390/t-linux: New file.
4980 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4982 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
4983 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
4985 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
4987 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
4988 (ANTIC_SAFE_LOADS): New macro.
4989 (find_or_generate_expression): Add prototype.
4990 (set_contains_value): Allow null set for sake of not always having
4991 to allocate ANTIC_SAFE_LOADS.
4992 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
4993 Allow COMPONENT_REF too.
4994 (valid_in_set): Allow COMPONENT_REF.
4995 Check ANTIC_SAFE_LOADS too.
4996 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
4997 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
4999 (can_PRE_operation): Add COMPONENT_REF.
5000 (create_component_ref_by_pieces): New function.
5001 (create_expression_by_pieces): Use create_component_ref_by_pieces.
5002 (insert_aux): Move AGGREGATE_TYPE_P check here.
5003 (compute_avail): Set bb local stmt uids.
5004 (pass_pre): Use TODO_update_ssa_only_virtuals.
5006 2006-02-06 Ben Elliston <bje@au.ibm.com>
5008 * configure.ac: Unconditionally disable decimal float by default.
5009 * configure: Regenerate.
5011 2006-02-06 Ben Elliston <bje@au.ibm.com>
5013 * read-rtl.c (read_name): Terminate reading on EOF.
5015 2006-02-06 Ben Elliston <bje@au.ibm.com>
5017 * dfp.c (decimal_real_arithmetic): Change second argument type
5018 from int to enum tree_code. Do not always return true, but now
5019 return result of any call to decimal_do helper functions.
5020 * dfp.h (decimal_real_arithmetic): Update prototype.
5022 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
5024 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
5026 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
5029 * tree-cfg.c (cleanup_dead_labels): Also don't remove
5032 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5034 * tree-vrp.c (cfg_loops): Removed.
5035 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
5036 Use current_loops instead of cfg_loops. Pass flags to
5037 loop_optimizer_init.
5038 * cfgloopmanip.c (fix_loop_structure): Update only available
5040 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
5041 loop_optimizer_init.
5042 * modulo-sched.c (build_loops_structure): Removed.
5043 (sms_schedule): Use loop_optimizer_init.
5044 * loop-init.c (loop_optimizer_init): Use flags to determine
5045 which properties of loops to prepare.
5046 (rtl_loop_init): Pass flags to loop_optimizer_init.
5047 * tree-ssa-sink.c (execute_sink_code): Ditto.
5048 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5049 * tree-ssa-pre.c (init_pre): Ditto.
5050 * cfgloop.h (LOOPS_NORMAL): New.
5051 (loop_optimizer_init): Declaration changed.
5053 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5055 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
5056 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
5058 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
5060 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
5062 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
5063 * pa/t-pa64: Delete quadlib.c rule.
5064 * pa/x-ada: Revert last change.
5065 * pa/t-pa: Revert last change. Delete quadlib.c rule.
5067 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
5069 PR rtl-optimization/26087
5070 * rtlanal.c (canonicalize_condition): Do not cross basic block
5073 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
5076 * config/ia64/ia64.c: Include debug.h.
5077 (MAX_ARTIFICIAL_LABEL_BYTES): New.
5078 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
5079 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
5080 (process_epilogue, process_set, process_for_unwind_directive):
5081 Output unwind info only if requested. Add CFA info if requested.
5082 Add new arguments as needed. Adjust callers.
5083 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
5085 (DWARF2_FRAME_INFO): Define to zero.
5086 * config/ia64/unwind-ia64.c: Remove code that compensated for
5087 the CFA offset error fixed above.
5088 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
5089 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
5090 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
5091 -funwind-tables and -fexceptions to enable frame info.
5092 (dwarf2out_frame_init): Define initial CFA even if
5093 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
5094 DWARF2_UNWIND_INFO is nonzero, not just defined.
5095 (dwarf2out_frame_finish): Output non-EH call frame info only
5096 if DWARF2_FRAME_INFO is nonzero.
5097 (convert_cfa_to_loc_list,
5098 compute_frame_pointer_to_cfa_displacement): Define even if
5099 unwind info is not supported.
5100 (gen_subprogram_die): Use the above unconditionally. Remove
5101 legacy alternate code.
5102 * toplev.c (compile_file): Compile in call to
5103 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
5104 (lang_dependent_init): Ditto for dwarf2out_frame_init.
5106 2006-02-04 David Edelsohn <edelsohn@gnu.org>
5107 Jakub Jelinek <jakub@redhat.com>
5109 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
5110 IBM extended float format long double as "g" on powerpc*-linux.
5112 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5115 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
5116 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
5118 2006-02-03 Jason Merrill <jason@redhat.com>
5121 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
5124 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
5125 on the return slot if it's an NRV.
5127 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
5129 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
5130 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5131 rewrite_use): Do not handle USE_OUTER.
5132 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
5133 add_iv_outer_candidates, may_replace_final_value,
5134 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
5135 (find_interesting_uses_op): Functionality of
5136 find_interesting_uses_outer_or_nonlin moved here.
5137 (find_interesting_uses_outside): Use find_interesting_uses_op.
5139 2006-02-03 Alan Modra <amodra@bigpond.net.au>
5142 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
5144 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
5145 Ulrich Weigand <uweigand@de.ibm.com>
5148 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
5149 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
5150 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
5151 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
5153 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
5154 (s390_rtx_costs): Use the new fields to calculate rtx costs.
5155 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
5156 Define secondary reloads for TFmode moves.
5157 (constant_modes): Add TFmode.
5158 (NR_C_MODES): Set to 8.
5159 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
5161 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
5162 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
5163 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
5164 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
5165 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
5166 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
5167 (FPR mode macro): Add TFmode.
5168 (DSF mode macro): New.
5169 (<de>, <dee> mode attributes): Removed.
5170 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
5171 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
5172 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
5173 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
5174 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
5175 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
5176 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
5177 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
5178 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
5179 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
5180 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
5181 "*negabs<mode>2", "sqrt<mode>2"):
5182 Changed <de> to <xde>. R constraint replaced by <Rf>.
5183 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
5185 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
5186 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
5187 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
5189 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
5190 "extenddftf2", "extendsftf2"): New expanders.
5191 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
5192 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
5193 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
5194 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
5196 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
5197 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
5198 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
5199 __floatditf): Add a GCC_4.1.0 symbol version tag.
5200 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
5203 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
5206 * config/i386/i386.c (ix86_function_ok_for_sibcall):
5207 Use targetm.binds_local_p instead of TREE_PUBLIC.
5209 2006-02-02 Roger Sayle <roger@eyesopen.com>
5211 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
5212 on INTEGER_TYPEs to indicate that it denotes a character type.
5213 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
5214 signed_char_type_node, unsigned_char_type_node and char_type_node.
5215 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
5216 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
5217 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
5219 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
5220 Daniel Berlin <dberlin@dberlin.org>
5222 * tree-tailcall.c (arg_needs_copy_p): New function.
5223 (eliminate_tail_call): Use arg_needs_copy_p.
5224 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
5225 (add_virtual_phis): New function.
5227 2006-02-02 Jakub Jelinek <jakub@redhat.com>
5229 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
5230 #ignore instead of #scratch for %g7 .register directive.
5232 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
5234 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
5237 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
5239 * flow.c (calculate_global_regs_live): Assert that there aren't any
5242 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5244 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5246 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5247 bsi_after_labels iterator.
5248 * tree-if-conv.c (find_phi_replacement_condition,
5249 replace_phi_with_cond_modify_expr): Likewise.
5250 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5251 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5253 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5255 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5257 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5260 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5261 array after growing it.
5263 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5266 * fold-const.c (fold_checksum_tree): Change type of buf.
5268 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5270 * reload.c (push_secondary_reload): Initialize t_icode.
5272 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5274 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5275 -msoft-float -mlong-double-128 only issue a warning, but don't
5276 swich to DFmode long double.
5278 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5280 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5281 has a constant equivalent, iterate over equivalents for arg0,
5282 calling simplify_relational_operation and if there's a result
5283 cheaper than X, apply fold_rtx and return the result.
5285 2006-02-01 Jan Hubicka <jh@suse.cz>
5287 * opts.c (no_unit_at_a_time_default): New global variable.
5288 (decode_options): Use it.
5289 * opts.h (no_unit_at_a_time_default): Declare.
5291 2006-02-01 Paul Brook <paul@codesourcery.com>
5293 * function.c (assign_parm_setup_reg): Use function argument promotion
5295 * expr.c (expand_expr_real_1): Use function argument promotion rules
5298 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5300 * gcc.c (process_command): Change j to 'unsigned int'.
5302 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5305 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5306 Use the corrected index for the character
5307 out of the string constant.
5309 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5311 * mode-switching.c (optimize_mode_switching): Fix size
5312 allocated for bb_info[n_entities].
5314 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5316 * gcc.c (main): Correct type that is allocated for
5317 explicit_link_files.
5319 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5321 * config/s390/s390.c (init_alignment_context): Set
5322 ALIAS_SET_MEMORY_BARRIER on the MEM.
5323 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5325 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5328 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5330 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5333 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5335 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5336 * regrename.c: Ditto.
5337 * tree-ssa-loop-im.c: Ditto.
5338 * tree-dump.c: Ditto.
5339 * tree-complex.c: Ditto.
5340 * genrecog.c: Ditto.
5341 * tree-ssa-threadupdate.c: Ditto.
5343 * java/class.c: Ditto.
5344 * java/jcf-parse.c: Ditto.
5345 * java/resource.c: Ditto.
5346 * java/except.c: Ditto.
5347 * java/jvspec.c: Ditto.
5348 * java/jcf-write.c: Ditto.
5349 * java/jcf-path.c: Ditto.
5350 * java/gjavah.c: Ditto.
5351 * java/zextract.c: Ditto.
5352 * java/jcf-io.c: Ditto.
5353 * java/jcf.h: Ditto.
5354 * java/buffer.c: Ditto.
5355 * java/lang.c: Ditto.
5356 * java/parse-scan.y: Ditto.
5357 * java/lex.c: Ditto.
5358 * java/lex.h: Ditto.
5359 * cfgloopmanip.c: Ditto.
5360 * postreload-gcse.c: Ditto.
5361 * tree-ssa-loop-manip.c: Ditto.
5362 * postreload.c: Ditto.
5363 * tree-ssa-loop-ch.c: Ditto.
5367 * diagnostic.c: Ditto.
5369 * genoutput.c: Ditto.
5371 * cfghooks.c: Ditto.
5372 * cfgloopanal.c: Ditto.
5373 * objc/objc-act.c: Ditto.
5375 * genextract.c: Ditto.
5376 * genautomata.c: Ditto.
5377 * pretty-print.c: Ditto.
5379 * cgraphunit.c: Ditto.
5382 * haifa-sched.c: Ditto.
5383 * dominance.c: Ditto.
5385 * tree-ssa-loop-ivopts.c: Ditto.
5387 * mode-switching.c: Ditto.
5388 * modulo-sched.c: Ditto.
5390 * ipa-pure-const.c: Ditto.
5392 * fix-header.c: Ditto.
5394 * tree-stdarg.c: Ditto.
5395 * ipa-utils.c: Ditto.
5396 * loop-init.c: Ditto.
5397 * ipa-inline.c: Ditto.
5400 * alloc-pool.c: Ditto.
5401 * dwarf2out.c: Ditto.
5403 * genattrtab.c: Ditto.
5404 * tree-ssa-loop-ivcanon.c: Ditto.
5408 * fortran/gfortranspec.c: Ditto.
5410 * local-alloc.c: Ditto.
5411 * langhooks.c: Ditto.
5412 * function.c: Ditto.
5413 * tree-vectorizer.c: Ditto.
5415 * ipa-type-escape.c: Ditto.
5417 * tree-if-conv.c: Ditto.
5420 * tree-data-ref.c: Ditto.
5421 * loop-unroll.c: Ditto.
5422 * treelang/treetree.c: Ditto.
5425 * ggc-common.c: Ditto.
5427 * coverage.c: Ditto.
5429 * tree-cfgcleanup.c: Ditto.
5430 * tree-ssa-pre.c: Ditto.
5431 * cfgcleanup.c: Ditto.
5432 * loop-invariant.c: Ditto.
5434 * ipa-prop.c: Ditto.
5435 * print-tree.c: Ditto.
5436 * conflict.c: Ditto.
5437 * ggc-page.c: Ditto.
5438 * sched-deps.c: Ditto.
5439 * regclass.c: Ditto.
5440 * tree-object-size.c: Ditto.
5442 * bb-reorder.c: Ditto.
5443 * resource.c: Ditto.
5444 * var-tracking.c: Ditto.
5446 * df-problems.c: Ditto.
5447 * reg-stack.c: Ditto.
5450 * sched-rgn.c: Ditto.
5451 * tree-ssa-structalias.c: Ditto.
5452 * tree-ssa-reassoc.c: Ditto.
5453 * config/darwin-c.c: Ditto.
5454 * config/darwin.c: Ditto.
5455 * config/arm/arm.c: Ditto.
5457 * collect2.c: Ditto.
5460 2006-01-31 Nicolas Pitre <nico@cam.org>
5462 * arm.md (smaxsi3): Make aware of smax_m1.
5465 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
5467 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5469 2006-01-31 Richard Guenther <rguenther@suse.de>
5471 * doc/invoke.texi (-msselibm): Document.
5472 * target.h (expand_library_builtin): New target hook.
5473 * builtins.c (expand_builtin): Use expand_library_builtin.
5474 (default_expand_library_builtin): New function.
5475 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5476 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5477 (link_gcc_math_spec): Declare.
5478 (static_specs): Add link_gcc_math_spec.
5479 * expr.h (default_expand_library_builtin): Declare.
5480 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5481 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5482 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5483 * config/i386/i386.opt (msselibm): New target option.
5484 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5485 (ix86_init_sse_abi_builtins): New function.
5486 (ix86_expand_library_builtin): Likewise.
5487 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5488 (override_options): Handle error conditions wrt -msselibm.
5489 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5490 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5491 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5494 2006-01-31 Richard Guenther <rguenther@suse.de>
5495 Paolo Bonzini <bonzini@gnu.org>
5497 * doc/install.texi (--disable-libgcc-math): Document.
5499 2006-01-30 Marcin Dalecki <martin@dalecki.de>
5501 * expr.h (expand_normal): new inline function.
5502 * builtins.c: use it, use EXPAND_NORMAL explicitely.
5504 * dwarf2out.c: use it.
5509 * config/sparc/sparc.c: use it.
5510 * config/i386/i386.c: use it.
5511 * config/rs6000/rs6000.c: use it.
5512 * config/arm/arm.c: use it.
5513 * config/mips/mips.c: use it.
5514 * stmt.c: use it, use EXPAND_NORMAL explicitely.
5516 2006-01-30 Roger Sayle <roger@eyesopen.com>
5518 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5519 argv to the appropriate type.
5521 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5523 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5526 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5529 * config/s390/s390.c (struct machine_function): New flag
5530 decomposed_literal_pool_addresses_ok_p.
5531 (s390_reorg): Set it before final stage of literal pool transforms.
5532 (s390_decompose_address): Only accept displacements of the form
5533 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5535 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5537 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5538 the comparison routine return.
5540 2006-01-30 Michael Matz <matz@suse.de>
5542 * global.c (find_reg): Only evict for global regs.
5543 Take n_refs into account and dump more info.
5545 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5548 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5549 (pragma_trap, pragma_nosave_low_regs): Likewise.
5550 (current_function_anonymous_args): Likewise.
5551 (sh_deferred_function_attributes): New variable.
5552 (sh_deferred_function_attributes_tail): Likewise.
5553 (print_operand): For '@', look up trap_exit attribute.
5554 (calc_live_regs): Look up trapa_handler attribute. For trapa
5555 handlers, save/restore fpscr, but don't do any other
5556 interrupt-specific saves.
5557 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5558 Fix check for partially saved registers to check for SHmedia.
5559 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5560 (sh_output_function_epilogue): Don't clear any of the removed
5562 (sh_insert_attributes): Don't check pragma_interrupt.
5563 Insert deferred attributes. Check that interrupt attribute is
5564 present for other attributes that require its presence.
5565 (sh_attribute_table): Add new attributes trapa_handler and
5567 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5568 Don't check for pragma_interrupt. Don't store argument.
5569 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5570 (sh_deferred_function_attributes): Declare.
5571 (sh_deferred_function_attributes_tail): Likewise.
5572 * sh.md (sp_switch_1): Add operand. Change generator caller.
5573 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5574 (*return_i): Don't use when trap_exit attribute is in effect.
5575 (*return_trapa): New insn pattern.
5577 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
5578 setting c_target_objs and cxx_target_objs.
5579 * t-sh: Add rule for sh-c.o.
5581 2006-01-30 Richard Guenther <rguenther@suse.de>
5584 * gimplify.c (gimplify_target_expr): Handle easy cases
5585 without creating a temporary.
5587 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
5589 * vec.h (safe_grow): Remove duplicated line.
5591 2006-01-29 Diego Novillo <dnovillo@redhat.com>
5594 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
5595 (expand_omp): ... here.
5596 (expand_omp_parallel): Only remove barriers for combined
5597 parallel+workshare constructs.
5599 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5603 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
5604 * tree.c (build_qualified_type): Chain the new type to the original
5605 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
5606 a POINTER_TYPE or a REFERENCE_TYPE respectively.
5607 (build_pointer_type_for_mode): Only return unqualified types.
5608 (build_reference_type_for_mode): Likewise.
5610 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
5612 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
5613 * Makefile.in (CXX_COMPAT_WARN): Define.
5614 * configure: Regenerate.
5616 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
5619 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
5622 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5624 * toplev.c: Fix thinko.
5626 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5627 Marcin Dalecki <martin@dalecki.de>
5629 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
5630 (push_srcloc): Use XNEW.
5631 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
5633 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5635 * df-core.c (df_set_blocks): Deleted all variable.
5637 2006-01-28 Ian Lance Taylor <ian@airs.com>
5639 * cgraphunit.c (cgraph_assemble_pending_functions): Call
5640 cgraph_output_pending_asms.
5642 2006-01-28 Zack Weinberg <zackw@panix.com>
5644 * c.opt: Add -W(no-)overlength-strings.
5645 * doc/invoke.texi: Document it.
5646 * c-opts.c (c_common_handle_option): -pedantic implies
5647 -Woverlength-strings, if not explicitly disabled already.
5648 (c_common_post_options): -Woverlength-strings defaults to off, and
5649 is always off for C++.
5650 * c-common.c (fix_string_type): Issue warning about strings longer
5651 than is portable only if warn_overlength_strings. Rearrange code
5652 a little for clarity.
5653 * configure.in: Check for -Wno-overlength-strings as well before
5654 enabling -pedantic in stage 1.
5655 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
5656 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
5658 * genconditions.c (write_header, write_one_condition)
5659 (write_conditions, write_writer): Consolidate very long strings
5660 that were broken up to fit in C89 portable limit. Don't use
5661 printf when fputs will do.
5663 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
5665 * combine.c (simplify_comparison <AND>): Check
5666 TRULY_NOOP_TRUNCATION before start using a subreg.
5668 * config/mips/mips.md (*branch_zero<mode>,
5669 *branch_zero<mode>_inverted, *branch_equality<mode>,
5670 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
5671 Remove mode check from comparisons.
5673 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
5675 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
5677 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5679 * expmed.c (const_mult_add_overflow_p): Remove.
5680 * expr.h: Remove the prototype for const_mult_add_overflow_p.
5682 * recog.c (validate_replace_rtx_subexp): Remove.
5683 * recog.h: Remove the prototype for
5684 validate_replace_rtx_subexp.
5686 * integrate.h: Remove the prototype for
5687 copy_decl_for_inlining.
5688 * rtl.h: Remove the prototype for mark_constant_function.
5689 * tree-vectorizer.h: Remove the prototype for
5690 vect_strip_conversion.
5692 * modulo-sched.c (create_partial_schedule,
5693 free_partial_schedule, reset_partial_schedule): Make them
5696 * hooks.c (hook_bool_rtx_int_false): Remove.
5697 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
5699 2006-01-28 David Edelsohn <edelsohn@gnu.org>
5701 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5702 and -mlong-double-128 are incompatible.
5703 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
5704 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
5705 (TARGET_LIBGCC2_CFLAGS): Define.
5706 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
5707 (TARGET_LIBGCC2_CFLAGS): Same.
5708 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
5710 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5713 * c-typeck.c (build_binary_op): Perform implicit casts of
5714 operands before shortening them.
5716 * cfgloopmanip.c (split_loop_bb): Remove.
5717 * cfgloop.h: Remove the prototype for split_loop_bb.
5719 * cfgloop.c (flow_loop_outside_edge_p): Remove.
5720 * cfgloop.h: Remove the prototype for
5721 flow_loop_outside_edge_p.
5723 * emit-rtl.c (init_virtual_regs): Make it static.
5724 * function.h: Remove the prototype for init_virtual_regs.
5726 * recog.c (peephole2_optimize): Make it static.
5727 * recog.h: Remove the prototype for peephole2_optimize.
5729 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5731 * df-scan.c (df_record_entry_block_defs): Check if
5732 INCOMING_RETURN_ADDR_RTX is defined.
5734 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
5735 Kenneth Zadeck <zadeck@naturalbridge.com>
5737 PR rtl-optimization/24762
5738 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5739 * targhooks.c (hook_void_bitmap): New hook prototype.
5740 * targhoohs.h (hook_void_bitmap): Ditto.
5741 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
5742 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
5743 * target.h (live_on_entry): New function pointer.
5744 * df-scan.c (df_all_hard_regs): Removed.
5745 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
5746 (df_scan_free_internal): Added df->entry_block_defs.
5747 (df_scan_alloc): Ditto.
5748 (df_scan_dump): Ditto.
5749 (df_uses_record): Plumbed flag field properly thru calls.
5750 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
5751 This part fixes PR24762.
5752 (df_bb_refs_record): Added code to make the frame and arg
5753 pointers live in EH blocks.
5754 (df_refs_record): Added call to df_record_entry_block_defs.
5755 (df_record_entry_block_defs): New function.
5756 * df-core.c: Added comments to describe new artifical defs.
5757 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
5758 (entry_block_defs): New field in struct df.
5759 (df_all_hard_regs): Deleted.
5760 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5761 * df-problems.c (df_ru_bb_local_compute_process_def):
5762 Added code to handle artifical defs in the entry to a function.
5763 (df_ru_bb_local_compute): Ditto.
5764 (df_rd_bb_local_compute_process_def): Ditto.
5765 (df_rd_bb_local_compute): Ditto.
5766 (df_lr_bb_local_compute): Ditto.
5767 (df_ur_bb_local_compute): Ditto.
5768 (df_urec_bb_local_compute): Ditto.
5769 (df_chain_create_bb): Ditto.
5770 (df_ur_local_finalize): Removed entry.
5771 (df_urec_init): Ditto.
5772 (df_urec_local_finalize): Ditto.
5773 (df_ri_bb_compute): Added detection of last use of pseudos.
5774 * Makefile.in (df-scan.o): Updated dependencies.
5775 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
5776 * config/mips/mips.c (mips_set_live_on_entry): Added.
5777 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
5779 * dce.c (marked_insn_p): Added code to handle artifical defs.
5781 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5783 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
5785 (_mm_cvtsi128_si64): Likewise.
5786 (_mm_cvtsd_si64): Likewise.
5787 (_mm_cvttsd_si64): Likewise.
5788 (_mm_cvtsi64_sd): Likewise.
5789 (_mm_cvtsi64_si128): Likewise.
5790 * config/i386/mmintrin.h (_m_from_int64): Likewise.
5791 (_mm_cvtsi64_m64): Likewise.
5792 (_m_to_int64): Likewise.
5793 (_mm_cvtm64_si64): Likewise.
5794 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
5795 (_mm_cvttss_si64): Likewise.
5796 (_mm_cvtsi64_ss): Likewise.
5797 (_mm_cvtss_f32): Likewise.
5799 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
5801 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
5802 for pragma redefine_extname.
5804 2006-01-27 Jakub Jelinek <jakub@redhat.com>
5807 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
5808 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
5809 -mno-minimal-toc to previous content.
5810 (bispecs): Remove goal.
5811 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
5812 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
5813 compatibility aliases on powerpc-*-*gnu*.
5814 * config/rs6000/libgcc-ppc-glibc.ver: New file.
5815 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
5816 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
5817 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
5818 (ldblspecs): New goal.
5819 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
5820 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
5822 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
5823 L_sf_to_tf or L_df_to_tf is defined.
5825 2006-01-27 David Edelsohn <edelsohn@gnu.org>
5826 Alan Modra <amodra@bigpond.net.au>
5829 * config/rs6000/linux.h (POWERPC_LINUX): Define.
5830 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
5831 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
5832 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
5833 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
5834 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
5835 (rs6000_override_options): Initialize rs6000_ieeequad.
5836 Initialize TFmode format to ibm_extended_format if not
5838 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
5840 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
5841 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
5842 (function_arg_advance): IBM long double passed in two FPRs, not
5844 (function_arg): IBM long double passed in FPRs.
5845 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
5846 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
5847 Only multireg GPR aligned.
5848 (rs6000_init_libfuncs): Enable IBM long double functions if not
5850 (rs6000_generate_compare): Use IBM long double compare if not
5852 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
5853 (TARGET_IEEEQUAD): Define.
5854 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
5855 not TARGET_IEEEQUAD.
5856 * config/rs6000/rs6000.md: Enable TFmode patterns if
5858 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
5859 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5860 and -mlong-double-128 are incompatible.
5861 * doc/invoke.texi (-mabi): Collect options together. Add
5862 ibmlongdouble and ieeelongdouble.
5864 2006-01-27 Richard Sandiford <richard@codesourcery.com>
5866 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
5868 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
5869 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
5870 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
5871 * rtl.h (rtunion_def): Remove rt_ptr.
5873 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
5874 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
5875 * config/i386/winnt.c (i386_pe_mark_dllexport)
5876 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
5878 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
5880 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
5882 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5886 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
5887 pthread_key_delete. From John David Anglin. gthrw-ify
5888 pthread_getunique_np only if it it's not a macro. Delete
5890 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
5891 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
5892 __gthread_objc_condition_signal, __gthread_key_delete): Add
5893 "__attribute__ ((__unused__))" to unused arguments.
5894 (__gthread_recursive_mutex_init_function): Add missing return.
5895 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
5896 gthr-posix95.h: Use macro-based approach for name redirection
5897 on targets missing weakref.
5899 2006-01-26 Zack Weinberg <zackw@panix.com>
5901 * genconditions.c (write_header): In generated code, #ifdef out
5902 all includes and fake declarations, except includes of bconfig.h
5903 and system.h, unless GCC_VERSION >= 3001. Do not include
5904 gensupport.h in any case.
5905 (write_conditions): Generate a definition of struct c_test. Add
5906 a comment to the generated #endif.
5907 (write_one_condition): Escape backslashes in string too.
5908 (write_writer): Generated code must escape backslashes and quote
5909 marks (but not newlines) in the strings it writes.
5910 * Makefile.in (build/gencondmd.o): Update dependencies.
5912 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5915 * Makefile.in (insn-automata.o): Add header file dependencies.
5916 * genautomata.c: Add includes.
5918 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5921 * Makefile.in (insn-automata.o): Add -Wno-error flag.
5923 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5925 * configure.ac: Expect target tools paths to be passed from the toplevel
5926 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
5928 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
5930 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5933 * c.opt (Wpointer-sign): Init to -1.
5934 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
5935 OPT_pedantic, to 0 otherwise.
5936 * doc/invoke.texi: Update.
5938 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5940 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
5941 constants provided by 80387 instructions in the destination mode.
5943 2006-01-26 Richard Guenther <rguenther@suse.de>
5944 Andrew Pinski <pinskia@physics.uc.edu>
5947 partial PR tree-opt/17064
5948 * tree-ssa-structalias.c (intra_create_variable_infos):
5949 Create heap variables for incoming parameters if
5950 flag_argument_noalias > 1.
5951 (find_what_p_points_to): Look through default defs of
5954 2006-01-26 Jeff Law <law@redhat.com>
5957 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
5958 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
5959 within the VR_RANGE, use the VR_RANGE as the result, not the
5961 (adjust_range_with_scev): Reject ranges from SCEV which are out of
5962 bounds for the type.
5964 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
5966 * tree-ssa-alias.c (maybe_create_global_var): Change
5967 subvar walking to an assertion that we don't have subvar'd variables.
5969 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
5972 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
5973 Use a new variable, inner. PARM_DECLs are always non-weak.
5975 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
5977 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
5980 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
5982 * config/mips/mips.md (*clear_upper32): New combiner pattern.
5984 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
5986 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
5987 (smax_insn, smin_insn, smax_0, smin_0): New.
5989 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
5992 * config/cris/cris.c (cris_order_for_addsi3): New function.
5993 * config/cris/cris-protos.h: Prototype it.
5994 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
5995 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
5996 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
5997 (split for "op.S1 [rx=rx+i],ry (swapped)")
5998 (split for "op(s|u).S1 [rx=rx+i],ry")
5999 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
6000 Apply cris_order_for_addsi3 when generating addsi3 insns.
6002 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6004 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
6005 (TREE_BLOCK): Add call to EXPR_CHECK.
6007 2006-01-25 Diego Novillo <dnovillo@redhat.com>
6010 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
6011 * tree-pretty-print.c (dump_omp_clause): Extract from ...
6012 (dump_omp_clauses): ... here.
6013 (dump_generic_node): Handle OMP_CLAUSE.
6014 * tree.c (omp_clause_num_ops): New.
6015 (omp_clause_code_name): New.
6016 (tree_code_size): Handle OMP_CLAUSE.
6017 (tree_size): Likewise.
6018 (make_node): Document handling of OMP_CLAUSE.
6019 (tree_node_structure): Handle OMP_CLAUSE.
6020 (omp_clause_check_failed): New.
6021 (omp_clause_range_check_failed): New.
6022 (omp_clause_operand_check_failed): New.
6023 (build_omp_clause): New.
6024 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
6025 * tree.h (enum omp_clause_code): Declare.
6026 (OMP_CLAUSE_SUBCODE_CHECK): Define.
6027 (OMP_CLAUSE_RANGE_CHECK): Define.
6028 (OMP_CLAUSE_ELT_CHECK): Define.
6029 (omp_clause_check_failed): Declare.
6030 (omp_clause_operand_check_failed): Declare.
6031 (omp_clause_range_check_failed): Declare.
6032 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
6033 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
6034 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
6035 (OMP_CLAUSE_LASTPRIVATE): Likewise.
6036 (OMP_CLAUSE_IF_EXPR): Likewise.
6037 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
6038 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
6039 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
6040 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
6041 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
6042 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
6043 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
6044 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
6045 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
6046 (OMP_CLAUSE_CODE): Define.
6047 (OMP_CLAUSE_SET_CODE): Define.
6048 (OMP_CLAUSE_CODE): Define.
6049 (OMP_CLAUSE_OPERAND): Define.
6050 (struct tree_omp_clause): Declare.
6051 (union tree_node): Add field 'omp_clause'.
6052 * treestruct.def (TS_OMP_CLAUSE): Define.
6053 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
6054 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
6055 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
6056 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
6057 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
6058 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
6059 (OMP_CLAUSE): Define.
6060 * print-tree.c (print_node): Handle OMP_CLAUSE.
6061 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
6062 * c-typeck.c: Likewise.
6063 * gimplify.c: Likewise.
6064 * c-omp.c: Likewise.
6065 * tree-nested.c: Likewise.
6066 * tree-inline.c: Likewise.
6067 * c-parser.c: Likewise.
6068 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
6071 2006-01-25 Roger Sayle <roger@eyesopen.com>
6073 PR rtl-optimization/25703
6074 * combine.c (try_combine): Handle zero_extract and strict_low_part
6075 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
6077 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
6079 * global.c: Fix comment typos.
6081 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
6084 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
6085 Use output_addr_const instead of assemble_name.
6087 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
6089 * Makefile.in (sched-vis.o): Update dependencies.
6090 * haifa-sched.c (sched_finish): Clear current_sched_info.
6091 * cfg.c (dump_bb_info): New, split from dump_flow_info.
6092 (dump_flow_info): Call it.
6093 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
6095 * basic-block.h (dump_bb_info): Declare.
6096 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
6097 option, and apply options only for dump files whose TDF_RTL,
6098 TDF_TREE, or TDF_IPA bits match.
6099 * rtl.h: Declare new functions exported from sched-vis.c.
6100 * sched-vis.c: Enable also if scheduling is not used.
6101 (print_value): Print the mode of registers if not inside scheduling.
6102 (print_insn): Make it work outside the scheduler. Beautify the output
6104 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
6106 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6108 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
6109 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
6110 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
6111 depending on the value of CONSTANT_POOL_ADDRESS_P.
6112 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
6114 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
6115 rather than SYMBOL_REF_DECL.
6116 (rtx_constant_pool): Remove const_rtx_sym_htab.
6117 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
6118 (init_varasm_status): Don't initialize const_rtx_sym_htab.
6119 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
6120 Remove handling of const_rtx_sym_htab.
6121 (find_pool_constant): Delete.
6122 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
6123 rather than find_pool_constant.
6124 (get_pool_constant_for_function): Delete.
6125 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
6127 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
6128 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
6129 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
6130 (SYMBOL_REF_CONSTANT): New macro.
6131 (get_pool_constant_for_function): Delete.
6132 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
6133 rather than SYMBOL_REF_DECL.
6134 (i386_pe_mark_dllimport): Likewise.
6135 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
6136 rather than SYMBOL_REF_DECL.
6137 * config/darwin.c (machopic_indirect_data_reference): Likewise.
6138 (machopic_indirect_call_target): Likewise.
6140 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
6142 * flow.c (delete_noop_moves): Add missing EOL to dump message.
6144 2006-01-25 Richard Sandiford <richard@codesourcery.com>
6146 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
6148 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
6150 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
6152 2006-01-24 David Daney <ddaney@avtrex.com>
6155 * configure.ac (enable_tls): New enable option.
6156 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
6157 * configure: Regenerate.
6158 * doc/install.texi (--enable-tls): Document new option.
6159 (--disable-tls): Ditto.
6161 2006-01-24 Richard Henderson <rth@redehat.com>
6163 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
6164 * alias.c (true_dependence): Respect it.
6165 (canon_true_dependence, write_dependence_p): Likewise.
6166 * builtins.c (get_builtin_sync_mem): Set it.
6168 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
6170 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
6173 2006-01-24 DJ Delorie <dj@redhat.com>
6175 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
6176 for storing constants in single-bit bitfields.
6178 2006-01-25 Ben Elliston <bje@au.ibm.com>
6180 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
6182 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
6185 * tree-ssa-pre.c (phi_translate): Return NULL
6186 for AGGREGATE_TYPE's.
6188 2006-01-24 Zack Weinberg <zackw@panix.com>
6190 * genautomata.c (process_state_for_insn_equiv_partition):
6191 Use xcalloc for insn_arcs_array.
6192 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
6193 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
6195 2006-01-24 Richard Henderson <rth@redhat.com>
6197 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
6200 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
6202 PR rtl-optimization/25890
6203 PR rtl-optimization/25905
6204 * combine.c (expand_compound_operation, expand_field_assignment):
6205 Fail if the bitfield's final position is out of bounds.
6207 2006-01-24 Ian Lance Taylor <ian@airs.com>
6210 * cgraphunit.c (cgraph_output_in_order): Don't clear
6211 cgraph_asm_nodes until after asm strings have been output.
6213 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
6215 * fix-header.c (read_scan_file): Add new parameter imultilib when
6216 calling register_include_chains.
6218 2006-01-23 Diego Novillo <dnovillo@redhat.com>
6220 * omp-low.c: Update documentation.
6222 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6223 Daniel Berlin <dberlin@dberlin.org>
6227 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
6228 return from the function.
6230 2006-01-22 Zack Weinberg <zackw@panix.com>
6232 * rtl.def (match_code): Add second argument.
6233 * genpreds.c (write_extract_subexp): New function.
6234 (write_match_code): Add path argument. Use write_extract_subexp.
6235 (write_predicate_expr): Pass path to write_match_code.
6236 (mark_mode_tests): MATCH_CODE applied to a subexpression does
6237 not perform a mode test.
6238 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
6239 a subexpression does not constrain the top-level code set.
6240 * read-rtl.c (read_rtx_variadic): New function.
6241 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6242 * doc/md.texi: Document new notation.
6243 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6244 (cmpsi_operand): ... here, using new notation.
6246 2006-01-22 Zack Weinberg <zackw@panix.com>
6248 * varray.c: Remove GENERATOR_FILE #ifdefs.
6250 2006-01-22 Zack Weinberg <zackw@panix.com>
6252 * genautomata.c (output_reserved_units_table): Emit nothing if
6253 description->query_units_num is zero. Remove extra blank line.
6254 (output_cpu_unit_reservation_p): Short circuit
6255 if description->query_units_num is zero.
6257 2006-01-22 Zack Weinberg <zackw@panix.com>
6259 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6260 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6261 nor any of the random handful of variables that used to be necessary
6262 when this program was linked with rtlanal.o. Prune set of forward
6263 function declarations.
6264 (struct attr_desc): Remove static_p field.
6265 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6266 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6267 (attr_string): Do not read the character one past the length of
6269 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6270 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6271 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6272 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6273 (make_automaton_attrs): New.
6274 (main): Do not call into genautomata. Call local gen_bypass
6275 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6276 Remove special case for insn_alts.
6277 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6278 varray.h (leftover from previous change). Prune set of forward
6279 function declarations. Remove state_alts fields from all
6280 structures. Remove state_alts_table from struct automaton.
6281 Make everything except main static. Do not maintain num_dfa_decls.
6282 Do not maintain state_alts fields of various structures.
6283 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6284 (add_arc): Remove state_alts argument. All callers updated.
6285 (output_reserved_units_table): Emit #ifdef here...
6286 (output_tables): ...not here. Don't generate state_alts tables.
6287 (expand_automata): Don't generate attributes.
6288 (write_automata): Don't generate state_alts functions.
6289 (main): New function.
6290 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6291 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6292 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6293 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6294 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6295 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6296 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6297 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6299 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6300 * genattrtab.h: Delete file.
6301 * Makefile.in (OBJS-common): Add insn-automata.o.
6302 (insn-automata.o): New rule.
6303 (simple_generated_c): Add insn-automata.c.
6304 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6305 (genprogmd): Add automata.
6306 (build/genattrtab): Needs no extra objects nor libraries.
6307 (build/genautomata): Needs build/vec.o and -lm.
6309 2006-01-22 Zack Weinberg <zackw@panix.com>
6311 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6312 (output_dfa_max_issue_rate, locked_states_num): Delete.
6313 (struct automaton): Add locked_states field.
6314 (output_dead_lock_vect): Save number of locked states in
6315 automaton->locked_states. If it is zero, don't print anything.
6316 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6317 (output_internal_dead_lock_func): Only test the dead_lock_vect
6318 for automata that have locked states.
6319 (output_statistics): Always print the number of locked states for
6320 each automaton. Calculate total number of locked states here.
6321 (write_automata): Don't call output_dfa_max_issue_rate.
6322 * genattrtab.c: Define length_unit_log as a const variable.
6323 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6324 max_insn_queue_index const.
6325 * final.c (length_unit_log): Declare const.
6326 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6328 2006-01-22 Zack Weinberg <zackw@panix.com>
6330 * genautomata.c: Include vec.h, not varray.h.
6331 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6332 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6333 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6334 VEC_* macros operating on appropriately typed vectors, or to
6335 malloced arrays when the size is known in advance. Const-ify
6336 many char* variables and function arguments. No functional changes.
6337 * Makefile.in (build/varray.o): Delete rule.
6338 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6339 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6341 2006-01-22 Zack Weinberg <zackw@panix.com>
6343 * gensupport.c: Define get_insn_name and record_insn_name here.
6344 (read_md_rtx): Call record_insn_name as appropriate.
6345 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6346 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6347 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6349 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6350 (BUILD_VARRAY): Delete.
6351 (genprognormal): Rename genprogmd. Fold in all programs from
6352 genprognoprint; also attrtab.
6353 (build/genattrtab): Just mention genautomata.o and varray.o.
6354 Reorganize a bit, add comments to make the categories clearer.
6356 2006-01-22 Zack Weinberg <zackw@panix.com>
6358 * genconditions.c (condition_table, add_condition): Delete.
6359 (write_conditions): Don't emit n_insn_conditions nor
6360 insn_elision_unavailable. Issue the gcc version #ifdef here,
6361 inside the table, with no #else clause ...
6362 (write_header): ...not here.
6363 (write_writer): New function.
6364 (main): Don't initialize condition_table. Use add_c_test.
6366 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6367 files on the command line.
6368 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6369 Return -1 if there is no entry in the table, don't abort.
6370 (add_c_test, traverse_c_tests): New functions.
6371 * gensupport.h (insn_elision_unavailable, insn_conditions)
6372 (n_insn_conditions): Delete declarations.
6373 (add_c_test, traverse_c_tests): Declare.
6374 * read-rtl.c: Include gensupport.h.
6375 (read_conditions): New function.
6376 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6377 (read_rtx_1): If we get EOF when we were looking for an initial
6378 open paren, return 0. Call read_conditions when appropriate.
6379 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6380 dummy-conditions.o. Eliminate references to insn-conditions.o,
6381 or change them to build/gencondmd.o, as appropriate. Remove
6382 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6383 from $(simple_generated_c). For all files remaining in those
6384 two lists, add insn-conditions.md to the generator command line.
6385 Give insn-constants.h/s-constants their own rules. Add rules
6386 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6387 (build/read-rtl.o): Depend on gensupport.h.
6388 (genprognormal): Include preds.
6389 (genprogearly): Rename genprognoprint; only difference is now that
6390 they don't link with $(BUILD_PRINT).
6391 * dummy-conditions.c: Delete.
6393 2006-01-22 Zack Weinberg <zackw@panix.com>
6395 * genextract.c: Don't include insn-config.h. Do include vec.h.
6396 Declare vectors of int, char, and locstr.
6397 (locstr): New typedef.
6398 (struct extraction): Make all array fields into bare pointers.
6399 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6400 (insn_code_number): Delete.
6401 (accum_extract): New struct.
6402 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6403 (gen_insn): Take insn_code_number as an argument. Use an
6404 accum_extract structure instead of loading data directly into
6405 a struct extraction, and having to know how big it might get.
6406 (walk_rtx): Operate entirely on an accum_extract structure.
6407 (print_path): Avoid unnecessary use of printf.
6408 (print_header): New function, split out of main. Distinguish
6409 more carefully between an unrecognizable insn and an insn that
6410 has the code number of a define_expand.
6411 (main): Pass insn_code_number to gen_insn. Call print_header
6412 only after parsing. Avoid unnecessary use of printf.
6413 * Makefile.in (build/vec.o): New rule.
6414 (build/genextract): Depend on build/vec.o.
6415 (build/genextract.o): Don't depend on insn-config.h.
6417 2006-01-22 Zack Weinberg <zackw@panix.com>
6419 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6420 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6421 practical. Eliminate per-generator-program link rules.
6423 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6426 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6427 with a call expr to ...
6428 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6430 2006-01-23 Richard Guenther <rguenther@suse.de>
6432 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6433 before make_edge with conditional EDGE_TRUE_VALUE.
6435 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
6436 Jan Hubicka <jh@suse.cz>
6437 Richard Guenther <rguenther@suse.de>
6439 PR rtl-optimization/25654
6440 * cfgexpand.c (aggregate_contains_union_type): New function.
6441 (add_alias_set_conflicts): Call it. Make sure to add conflicts
6442 for structure variables that contain a union type.
6444 2006-01-23 Richard Sandiford <richard@codesourcery.com>
6446 * gengtype.c (new_structure): Return the structure.
6447 (create_option): Add an extra "next" argument.
6448 (create_field): New function.
6449 (adjust_field_rtx_def): Use create_option and create_field.
6450 Remove a now-unnecessary call to find_structure.
6451 (adjust_field_tree_def): Likewise.
6452 (note_yacc_type): Remove an unnecessary call to find_structure.
6453 * gengtype.h (new_structure): Return the structure.
6454 (create_option): Add an extra argument.
6455 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
6456 (option): Adjust calls to create_option.
6458 2006-01-22 David Edelsohn <edelsohn@gnu.org>
6460 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
6462 2006-01-22 Paul Brook <paul@codesourcery.com>
6463 Peter Barada <peter@the-baradas.com>
6465 * config/m68k/m68k.md: Add Coldfire FPU support.
6466 Define FP mode macro and associated attributes.
6467 Use it for float mode patterns.
6468 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6469 (LIBCALL_VALUE): Use m68k_libcall_value.
6470 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
6471 (m68k_function_value): Ditto.
6472 (emit_move_sequence): Ditto.
6473 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
6474 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
6475 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
6476 (MULTILIB_EXCEPTIONS): Ditto.
6477 * config/m68k/m68k.opt: Add mcfv4e.
6478 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
6479 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
6480 (m68k_output_function_prologue): Save ColdFire FPU registers.
6481 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
6482 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
6483 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
6484 ColdFire FPU registers.
6485 (m68k_libcall_value, m68k_function_value): New functions.
6486 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
6487 (LIBCALL_VALUE): Use m68k_libcall_value.
6488 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
6489 (MASK_COLDFIRE): Add MASK_CFV4E.
6490 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
6491 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
6492 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
6493 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
6494 (GO_IF_LEGITIMATE_ADDRESS): Use it.
6495 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
6496 * doc/invoke.tex: Document -mcfv4e on m68k.
6498 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6500 * doc/contribute.texi: Change CVS to SVN and update the corresponding
6503 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
6506 * c-opts.c (c_common_handle_option): Don't include
6507 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
6508 * doc/invoke.texi (C++ Dialect Options): Document that
6509 -Wnon-virtual-dtor is no longer included in -Wall.
6511 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
6513 * gcov.c (print_version), gcov-dump.c (print_version),
6514 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6517 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6519 * df-scan.c (problem_SCAN): Added NULL reset function.
6520 (df_scan_reset_blocks): Added code to call reset block function
6521 (df_bb_refs_delete) Fixed comment.
6522 (df_insn_refs_delete): Made tolerant of deleting non existent info
6523 for dataflow problems that need to be reset.
6524 * df-core.c (df_set_blocks): Ditto.
6525 * df.h (struct df_problem): Added reset_fun.
6526 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6527 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6528 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6529 functions to clear out all references to def-use or use-def chains.
6531 2006-01-21 Ben Elliston <bje@au.ibm.com>
6533 * varasm.c (assemble_real): Initialise data array.
6535 2006-01-20 Paul Brook <paul@codesourcery.com>
6537 Merge from csl-arm-branch.
6538 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6539 * config/arm/arm.md (movdi): Force operands[1] to a register
6540 if we have a non-register source.
6541 (*arm_movdi, *movdf_soft_insn): Require that one of the
6542 operands be a register.
6543 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6544 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6546 2006-01-20 DJ Delorie <dj@redhat.com>
6548 * varasm.c (initialize_constant_valid_p): Allow pointers
6549 initialized from integer constants of lesser precision.
6550 (output_constant): Allow non-int-sized pointer modes to be
6551 initialized from integer constants.
6553 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6556 * cppdefault.h (struct default_include): Add multilib flag.
6557 * cppdefault.c (cpp_include_defaults): Set it.
6558 * c.opt (-imultilib): New option.
6559 * c-opts.c (imultilib): New.
6560 (c_common_handle_option): Handle -imultilib.
6561 (c_common_post_options): Likewise.
6562 * c-incpath.c (add_standard_paths, register_include_chains):
6564 * c-incpath.h (register_include_chains): Add extra parameter.
6565 * gcc.c (do_spec_1): Generate -imultilib option.
6566 (The Specs Language): Update %I description.
6567 (process_command): Update copyright notice.
6568 * doc/cppopts.texi (-imultilib): Document.
6569 * doc/invoke.texi (-imultilib): Include in option summary.
6570 (%I): Update specs documentation.
6572 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6574 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6576 2006-01-20 Richard Sandiford <richard@codesourcery.com>
6578 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6581 2006-01-20 Richard Guenther <rguenther@suse.de>
6582 Steven Bosscher <stevenb.gcc@gmail.com>
6584 PR rtl-optimization/24626
6585 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
6586 EDGE_TRUE_VALUE if in RTL mode.
6589 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
6590 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
6592 2006-01-20 Dirk Mueller <dmueller@suse.com>
6595 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
6596 instead of a special NOP marker.
6597 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
6598 NOP marker handling.
6599 * c-common.h (empty_body_warning): Add forward declaration.
6600 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
6601 Now uses IS_EMPTY_STMT() instead of special NOP markers.
6603 2006-01-20 Paul Brook <paul@codesourcery.com>
6605 * Makefile.in (lang_checks): Keep going if mkdir fails.
6607 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6609 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
6610 be able to clean out basic block when not necessary.
6611 (df_scan_free): Fixed to properly delete information if df is
6612 unused before calling df_finish.
6613 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
6614 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
6616 (df_bb_refs_delete): New function.
6617 (df_refs_delete): Moved per block code to df_bb_refs_delete.
6618 * df-core.c (df_set_blocks): Added code to properly clean out
6619 unused blocks if they are not part of the blocks to consider.
6620 Added additional null check.
6621 (df_compact_blocks): Added basic block parameter to free_bb_fun to
6622 be able to clean out basic block when not necessary
6623 * df.h (df_free_bb_function): Ditto.
6624 (df_bb_refs_delete): New function.
6625 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
6626 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
6627 basic block parameter to be able to clean out basic block when not
6629 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
6630 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
6631 Fixed to properly delete information if df is unused before
6634 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6636 PR rtl-optimization/25799
6637 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
6638 Corrected confluence operator to remove bits from op2 before oring
6639 with op1 rather than removing bits from op1.
6640 (df_ru_transfer_function): Corrected test on wrong bitmap which
6641 caused infinite loop. Both of these problems were introduced in
6642 the dataflow rewrite.
6644 2006-01-19 DJ Delorie <dj@redhat.com>
6646 * reload1.c (find_reload_regs): Note the details of reload
6647 failures in the dump file.
6648 (spill_failure): Likewise.
6650 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6652 * loop-iv.c: Include df.h and hashtab.h.
6653 (enum iv_grd_result): New enum.
6654 (DF_REF_IV, DF_REF_IV_SET): New macros.
6655 (struct biv_entry): New.
6656 (df, bivs): New global variables.
6657 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
6658 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
6660 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
6661 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
6662 analyzed_for_bivness_p, record_biv): New functions.
6663 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
6664 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
6665 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
6667 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
6669 (iv_number_of_iterations): Use new interface to iv analysis.
6670 * loop-unroll.c: Do not include varray.h.
6671 (analyze_iv_to_split_insn): Use new interface to iv
6673 * loop-unswitch.c (may_unswitch_on): Ditto.
6674 * df.c (df_bitmaps_free): Only work for bbs for that structures are
6676 (df_bb_modify): Realloc tables to the new index.
6677 (df_find_use): New function.
6678 * df.h (df_find_use): Declare.
6679 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
6681 * cfgloop.h (struct rtx_iv): Remove analysed field.
6682 (iv_get_reaching_def): Removed.
6683 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
6684 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
6685 (loop-iv.o): Add df.h and hashtab.h dependency.
6686 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
6688 2006-01-20 Alan Modra <amodra@bigpond.net.au>
6691 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
6693 (__floatundisf, __floatundidf): Likewise.
6694 * libgcc2.h (IS_IBM_EXTENDED): Define.
6696 2006-01-19 DJ Delorie <dj@redhat.com>
6698 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
6700 2006-01-19 Paul Brook <paul@codesourcery.com>
6702 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
6703 as nothrow when unwinding tables are disabled.
6705 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6708 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
6709 of bit-field" when in system header.
6711 2006-01-19 DJ Delorie <dj@redhat.com>
6713 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
6714 the 16 bit shift limit of the m16c.
6716 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
6719 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
6720 * config/i386/i386.c (output_set_got): Output the label if we have one
6721 for the TARGET_DEEP_BRANCH_PREDICTION case.
6723 2006-01-19 Jan Hubicka <jh@suse.cz>
6724 H.J. Lu <hongjiu.lu@intel.com>
6725 Evandro Menezes <evandro.menezes@amd.com>
6727 * invoke.texi (generic): Document
6729 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
6730 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
6731 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
6732 (x86_use_incdec, x86_pad_returns): New variables
6733 (TARGET_CPU_DEFAULT_generic): New constant
6734 (TARGET_CPU_DEFAULT_NAMES): Add generic.
6735 (enum processor_type): Add generic32 and generic64.
6736 * i386.md (cpu attribute): Add generic32/generic64
6737 (movhi splitter): Behave sanely when both partial_reg_dependency and
6738 partial_reg_stall are set.
6739 (K8 splitters): Enable for generic as well.
6740 * predicates.md (incdec_operand): Use TARGET_INCDEC
6741 (aligned_operand): Avoid memory mismatch stalls.
6742 * athlon.md: Enable for generic64, new patterns for 128bit moves.
6743 * ppro.md: Enable for generic32
6744 * i386.c (generic64_cost, generic32_cost): New.
6745 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
6746 (x86_use_leave): Enable for generic64. (x86_use_sahf,
6747 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
6748 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
6749 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
6750 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
6751 x86_partial_reg_dependency, x86_memory_mismatch_stall,
6752 x86_accumulate_outgoing_args, x86_prologue_using_move,
6753 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
6754 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
6756 (x86_use_incdec, x86_pad_returns): New.
6757 (override_options): Add generic32 and generic64, translate "generic"
6758 to generic32/generic64 and "i686" to "generic32", refuse
6759 "generic32"/"generic64" as arch target.
6760 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
6761 (ix86_reorg): Honor PAD_RETURNS.
6763 2006-01-19 Diego Novillo <dnovillo@redhat.com>
6765 * tree-pretty-print.c (dump_generic_node): Handle
6766 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
6767 * cgraph.c (cgraph_expand_queue): Rename from
6768 cgraph_analyze_queue. Update all users.
6769 * cgraphunit.c (cgraph_assemble_pending_functions): Process
6770 cgraph_expand_queue.
6771 (cgraph_expand_all_functions): Likewise.
6772 (cgraph_finalize_pending_functions): Remove. Update callers.
6774 * tree.h (OMP_DIRECTIVE_P): Define.
6775 (OMP_PARALLEL_FN): Define.
6776 (OMP_PARALLEL_DATA_ARG): Define.
6777 (OMP_SECTIONS_SECTIONS): Define.
6778 * tree-pass.h (pass_expand_omp): Declare.
6779 * omp-low.c (struct omp_region): Declare.
6780 (struct omp_context): Remove fields 'parallel_type',
6781 'parallel_start_ix' and 'parallel_start_additional_args'.
6783 (struct omp_for_data): Rename from struct expand_omp_for_data.
6784 (omp_regions): New static variable.
6785 (root_omp_region): New static variable.
6786 (find_omp_clause): Make static.
6787 (is_in_combined_parallel_ctx): Remove.
6788 (is_combined_parallel): New.
6789 (extract_omp_for_data): Move earlier in the file.
6790 (workshare_safe_to_combine_p): New.
6791 (get_ws_args_for): New.
6792 (determine_parallel_type): Move earlier in the file.
6793 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
6795 (omp_copy_decl): Likewise.
6796 (create_omp_child_function): Likewise.
6797 (lookup_omp_region): New.
6798 (dump_omp_region): New.
6799 (debug_omp_region): New.
6800 (debug_all_omp_regions): New.
6801 (new_omp_region): New.
6802 (scan_omp_parallel): If parallel_nesting_level > 1, the
6803 directive is nested within another parallel directive.
6804 Set OMP_PARALLEL_FN.
6805 (scan_omp_for): Do not try to handle combined parallel+for
6807 Remove FIXME comment.
6808 (scan_omp_nested): Remove.
6809 (scan_omp_1): Do not call scan_omp_nested when
6810 parallel_nesting_level is > 1.
6811 Do not change the DECL_CONTEXT of local variables found.
6812 (lookup_decl_in_outer_ctx): New.
6813 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
6814 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
6815 (lower_reduction_clauses): Rename from expand_reduction_clauses.
6816 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
6817 If CTX is nested, lookup VAR in the outer context when
6818 building copy assignment.
6819 (lower_send_clauses): Rename from expand_send_clauses.
6820 If CTX is nested, lookup VAR in the outer context when
6821 building copy assignments.
6822 (lower_send_shared_vars): Rename from expand_send_shared_vars.
6823 If CTX is nested, lookup VAR in the outer context when
6824 building copy assignments.
6825 (expand_parallel_call): Rename from build_parallel_call.
6826 Handle combined parallel+workshare cases.
6827 Re-implement to emit code into the CFG.
6829 (expand_omp_parallel): Re-implement to emit code into the CFG.
6830 Call move_sese_region_to_fn to outline the sub-graph
6831 containing the parallel region.
6832 (expand_omp_for_1): Remove.
6833 (expand_omp_for_generic): Re-implement to emit code into the
6835 (expand_omp_for_static_nochunk): Likewise.
6836 (expand_omp_for_static_chunk): Likewise.
6837 (expand_omp_for): Likewise.
6838 (expand_omp_sections): Likewise.
6839 (remove_exit_barriers): New.
6840 (expand_omp_synch): New.
6842 (build_omp_regions_1): New.
6843 (build_omp_regions): New.
6844 (execute_expand_omp): New.
6845 (gate_expand_omp): New.
6846 (pass_expand_omp): Define.
6847 (lower_omp_sections): Rename from expand_omp_sections.
6848 Set OMP_SECTIONS_SECTIONS.
6849 (lower_omp_single_simple): Rename from expand_omp_single_simple.
6850 (lower_omp_single_copy): Rename from expand_omp_single_copy.
6851 (lower_omp_single): Rename from expand_omp_simple.
6852 (lower_omp_master): Rename from expand_omp_master.
6853 (lower_omp_ordered): Rename from expand_omp_ordered.
6854 (lower_omp_critical): Rename from expand_omp_critical.
6855 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
6856 (lower_omp_for): Re-implement.
6857 (lower_omp_parallel): Re-implement.
6858 (lower_regimplify): Rename from expand_regimplify.
6859 (lower_omp_1): Rename from expand_omp_1.
6860 If there are syntax errors in the program, replace every
6861 OpenMP directive with NOP.
6862 Call lower_omp_* instead of expand_omp_*.
6863 (lower_omp): Rename from expand_omp.
6865 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
6866 * tree-gimple.h (enum omp_parallel_type): Remove.
6867 (gimple_boolify): Declare extern.
6868 (find_omp_clause, determine_parallel_type): Remove.
6870 * gimple-low.c (lower_omp_directive): New.
6871 (lower_stmt): Call it.
6872 (record_vars_into): Move from ...
6873 (record_vars): ... here.
6874 Call record_vars_into with current_function_decl.
6876 * gimplify.c (struct gimplify_ctx): Remove fields
6877 combined_pre_p and combined_ctxp. Update users.
6878 (get_formal_tmp_var): Add documentation.
6879 (gimple_boolify): Make extern.
6880 (gimplify_expr_in_ctx): Remove. Update callers.
6881 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
6882 will always be a BIND_EXPR.
6883 (gimplify_expr): Handle OMP_RETURN_EXPR.
6884 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
6885 (OMP_PARALLEL): Add 3 operands.
6886 (OMP_SECTIONS): Add 1 operand.
6887 (OMP_RETURN_EXPR): Define.
6889 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
6890 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
6891 * tree-iterator.c (alloc_stmt_list): Assert that we are not
6892 creating a circular free list.
6893 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
6895 * tree-flow.h (move_sese_region_to_fn): Declare.
6896 (record_vars_into): Declare.
6897 * tree-cfg.c (make_omp_sections_edges): New.
6898 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
6899 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
6900 OMP_SECTIONS and OMP_SECTION.
6901 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
6902 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
6903 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
6904 (gather_blocks_in_sese_region): New.
6905 (struct move_stmt_d): Declare.
6907 (move_block_to_fn): New.
6908 (move_sese_region_to_fn): New.
6910 * passes.c (init_optimization_passes): Schedule
6911 pass_expand_omp after pass_init_datastructures.
6913 * tree-ssa-operands.c (get_expr_operands): Handle
6914 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
6915 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
6917 2006-01-19 Jeff Law <law@redhat.com>
6919 * tree-vrp.c (extract_range_from_assert): Refine the result range
6920 if the variable referenced by the ASSERT_EXPR has a range and
6921 either the tentative result range or the previous range is a
6924 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6926 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
6928 2006-01-19 Jan Hubicka <jh@suse.cz>
6930 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
6932 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
6934 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
6935 (expand_compound_operation, expand_field_assignment): Fail if the
6936 bit lengths of an extract operation are out of range.
6937 (make_extraction): Compute wanted_inner_mode based on the position
6938 and length of the extraction. Make it extraction_mode for non-constant
6939 positions, and do not modify offset in that case. When generating a
6940 new MEM, use a mode that can hold the extraction while keeping correct
6941 alignment. Remove code that supported MEMs wrapped by USEs.
6942 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
6944 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
6946 * config/s390/s390.md ("Y", "y"): New mode attribute.
6947 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6948 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
6949 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
6950 "*addsi3_imm_cc", "*addsi3_carry1_cc",
6951 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
6952 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
6953 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
6954 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
6955 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
6956 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
6957 "addsi3", "subsi3"): Insn patterns removed.
6958 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
6959 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
6960 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
6961 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
6962 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
6963 "*sub<mode>3_cconly2"): New insn patterns.
6964 ("addsi3", "subsi3"): New expanders.
6966 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
6968 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
6969 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
6970 existing STMT_VINFO_VECTYPE if available.
6971 (vect_mark_relevant): Add special handling for stmts that are
6972 marked as STMT_VINFO_IN_PATTERN_P.
6973 (vect_analyze_loop): Call vect_pattern_recog.
6974 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
6975 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
6977 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
6978 (vect_recog_func_ptr): New function-pointer type.
6979 * tree-vect-patterns.c: New file.
6980 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
6981 (vect_recog_dot_prod_pattern, vect_pattern_recog):
6982 (vect_pattern_recog_1): New functions.
6983 (vect_pattern_recog_funcs): New array of function pointers.
6985 * tree-vectorizer.h (ternary_op): New enum value.
6986 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
6987 declaration. Revised documentation. Removed redundant dump prints.
6988 Removed redundant argument. Added support for reduction patterns.
6989 (vectorizable_reduction): Added support for reduction patterns.
6990 (vect_transform_stmt): Added support for patterns.
6992 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
6993 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
6994 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
6995 (expand_widen_pattern_expr): New function.
6996 (init_optabs): Initialize new optabs udot_prod_optab,
6998 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
6999 (sdot_prod_optab, udot_prod_optab): Define new optabs.
7000 (expand_widen_pattern_expr): New function declaration.
7001 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
7003 * tree-inline.c (estimate_num_insns_1): Added cases for new
7004 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7005 * tree-pretty-print.c (dump_generic_node): Likewise.
7006 (op_prio): Likewise.
7007 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
7008 * tree-ssa-operands.c (get_expr_operands): Added case for
7010 * tree-vect-patterns.c (widened_name_p): New function.
7011 (vect_recog_dot_prod_pattern): Added function implementation.
7012 * tree-vect-transform.c (get_initial_def_for_reduction): Added
7013 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
7014 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
7015 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
7017 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
7018 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
7019 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
7020 (init_optabs): Initialize new optabs widen_ssum_optab,
7022 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
7023 (widen_ssum_optab, widen_usum_optab): Define new optabs.
7024 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
7025 use instead of type of def.
7026 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
7027 function implementation.
7028 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
7029 widen_ssumv8hi): New.
7031 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
7034 2006-01-19 Richard Sandiford <richard@codesourcery.com>
7037 * c-decl.c (add_flexible_array_elts_to_size): New function.
7038 (finish_decl): Use it.
7040 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
7042 * diagnostic.h: Include options.h.
7043 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
7044 dependancies for diagnostic.h.
7045 * Makefile.in (DIAGNOSTIC_H): Add options.h.
7047 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
7049 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
7050 (ssa_ro_call_cache_valid): Ditto.
7051 * tree-ssa-alias.c (sort_tags_by_id): New function.
7052 (init_transitive_clobber_worklist): Ditto.
7053 (add_to_worklist): Ditto.
7054 (mark_aliases_call_clobbered): Ditto.
7055 (compute_tag_properties): Ditto.
7056 (set_initial_properties): Ditto.
7057 (compute_call_clobbered): Ditto.
7058 (compute_may_aliases): Call compute_call_clobbered and grouping.
7059 (compute_flow_sensitive_aliasing): Remove clobbering related code.
7060 (compute_flow_insensitive_aliasing): Grouping now happens in our
7062 (setup_pointers_and_addressables): Remove clobbering related code.
7063 (add_may_alias): Ditto.
7064 (replace_may_alias): Ditto.
7065 (get_nmt_for): Ditto.
7066 (create_global_var):
7067 (is_escape_site): Return an escape_type enumeration.
7068 * tree-flow-inline.h (is_call_clobbered): Global var does not
7069 imply call clobbered.
7070 (mark_call_clobbered): Take a reason for marking this. Remove
7071 marking of globalness, and cache invalidation.
7072 (clear_call_clobbered): Remove cache invalidation code.
7073 * tree-dfa.c (dump_variable): If details is on, dump the reason
7075 * tree-outof-ssa.c (create_temp): Copy escape mask from original
7077 * tree-flow.h (struct ptr_info_def): Add escape mask member.
7078 (struct var_ann_d): Ditto.
7079 (enum escape_type): New.
7080 (mark_call_clobbered): Adjust prototype.
7081 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
7082 are never call clobbered.
7083 Record reasons for escaping.
7084 * tree-ssa-structalias.h (is_escape_site): Update prototype.
7085 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
7086 (ssa_ro_call_cache_valid): Ditto.
7087 (clobbered_v_may_defs): Ditto.
7088 (clobbered_vuses): Ditto.
7089 (ro_call_vuses): Ditto.
7090 (clobber_stats): New.
7091 (init_ssa_operands): Zero out clobber stats.
7092 (fini_ssa_operands): Print out clobber stats.
7093 (get_call_expr_operands): Pass callee fndecl to
7095 (add_call_clobber_ops): Remove use of cache.
7096 Add use of PURE_CONST information.
7097 (add_call_read_ops): Remove use of cache.
7098 Add use of static not_read information.
7100 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
7102 Introduce TLS descriptors for i386 and x86_64.
7103 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
7104 (TARGET_ANY_GNU_TLS): New macro.
7105 (enum tls_dialect): Added TLS_DIALECT_GNU2.
7106 (struct machine_function): Add tls_descriptor_call_expanded_p.
7107 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
7108 (ix86_current_function_calls_tls_descriptor): Likewise.
7109 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
7110 (override_options): Introduce gnu2 tls dialect.
7111 (ix86_frame_pointer_required): Functions containing TLSCALLs are
7113 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
7115 (legitimize_tls_address): Adjust logic for GNU2 TLS.
7116 (ix86_init_machine_status): Initialize new field.
7117 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
7118 (ix86_tls_module_base): New.
7119 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
7120 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
7121 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
7122 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
7123 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
7124 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
7125 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
7126 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
7127 * config/i386/predicates.md (tls_modbase_operand): New.
7128 (tp_or_register_operand): New.
7130 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
7132 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
7133 (look_for_address_of): Ditto.
7134 (ipa_init): Walk the function decls.
7135 (static_execute): Don't set readonly on FUNCTION_DECL's.
7137 2006-01-18 Roger Sayle <roger@eyesopen.com>
7139 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
7140 for shifts where the source and destination registers are different.
7142 2006-01-18 Paul Brook <paul@codesourcery.com>
7144 Merge from csl-arm-branch.
7145 2005-03-14 Julian Brown <julian@codesourcery.com>
7146 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
7147 (aeabi_llsl): Likewise.
7148 (ashrdi3): Likewise.
7149 (aeabi_lasr): Likewise.
7150 (lshrdi3): Likewise.
7151 (aeabi_llsr): Likewise.
7152 2005-03-10 Julian Brown <julian@codesourcery.com>
7153 * config.gcc: Disable shared libgcc for SymbianOS.
7154 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
7156 2006-01-18 DJ Delorie <dj@redhat.com>
7158 * c-pragma.c (handle_pragma_diagnostic): New.
7159 (init_pragma): Register it.
7160 * doc/extend.texi: Document it.
7162 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
7163 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
7164 (diagnostic_context): Add classify_diagnostic[].
7165 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
7166 as errors if they're overridden to DK_WARNING.
7167 (diagnostic_initialize): Initialize classify_diagnostic[].
7168 (diagnostic_set_kind_override): New.
7169 (diagnostic_report_diagnostic): Check for kind changes.
7170 * opts.c (common_handle_option): Take lang_mask. Update callers.
7172 * common.opt (Werror=): New.
7173 * doc/invoke.texi: Document -Werror=*
7175 2006-01-18 Jeff Law <law@redhat.com>
7177 * tree-vrp.c (test_for_singularity): Correct test for new
7178 min limit. Use operand_equal_p rather than pointer equality
7179 for testing if new min/max values are equal.
7181 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
7182 using range information until after propagation and folding.
7184 2006-01-18 Richard Henderson <rth@redhat.com>
7185 Aldy Hernandez <aldyh@redhat.com>
7186 Jakub Jelinek <jakub@redhat.com>
7187 Diego Novillo <dnovillo@redhat.com>
7189 * omp-low.c: New file.
7190 * c-omp.c: New file.
7192 2006-01-18 Richard Henderson <rth@redhat.com>
7193 Jakub Jelinek <jakub@redhat.com>
7194 Diego Novillo <dnovillo@redhat.com>
7196 * doc/invoke.texi: Document -fopenmp.
7197 * tree-dump.h (debug_function): Declare.
7198 * hooks.c (hook_bool_tree_bool_false): New function.
7199 (hook_tree_tree_null): Remove.
7200 (hook_tree_tree_tree_null): New.
7201 * hooks.h: Update to match.
7202 * tree-pretty-print.c (debug_tree_chain): New.
7203 (print_generic_expr): Handle TDF_CHAIN.
7204 (dump_generic_node): Handle BLOCK.
7205 Do not abort with incomplete SWITCH_EXPRs.
7206 Do not dump body of an OpenMP directive if TDF_SLIM is given.
7207 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
7208 print space after directive name.
7209 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
7210 Handle OMP_MASTER and OMP_ORDERED.
7211 Handle printing of OMP_BODY just in one place, goto
7212 dump_omp_body in the rest of OMP_* nodes that have
7214 Don't handle clause nodes here. Update omp statements to
7215 use dump_omp_clauses.
7216 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
7217 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
7218 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
7219 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
7220 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
7221 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
7222 Adjust output for GOMP_PARALLEL.
7223 (dump_omp_clauses): New.
7224 (print_declaration): Dump DECL_VALUE_EXPR.
7225 (op_symbol_1): Split out of op_symbol.
7226 (dumping_stmts): Remove. Update all users.
7227 * cgraph.c (cgraph_analyze_queue): New.
7228 (cgraph_add_new_function): New.
7229 * cgraph.h (cgraph_analyze_queue): Declare.
7230 (cgraph_add_new_function): Declare.
7231 (cgraph_lower_function): Remove.
7232 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
7233 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
7234 and TYPE_P nodes in its default clause.
7235 (empty_body_p): New.
7236 (tree_range_check_failed): New.
7238 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
7239 OMP_CLAUSE_REDUCTION_MERGE,
7240 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7241 OMP_CLAUSE_PRIVATE_DEBUG,
7242 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7243 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7244 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7245 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7246 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7247 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7248 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7249 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7250 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7251 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7252 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7253 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7254 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7255 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7256 (TREE_RANGE_CHECK): New.
7257 (empty_body_p): Declare.
7258 (enum omp_clause_default_kind): New.
7259 (build_string_literal): Declare.
7260 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7261 (build5_stat, build5): Declare.
7262 * tree-pass.h (TDF_CHAIN): Define.
7263 * tree-pass.h (PROP_gimple_lomp): Define.
7264 (pass_lower_omp): Declare.
7265 * diagnostic.h (debug_tree_chain): Declare.
7266 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7268 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7269 * builtins.c (build_string_literal): Make extern.
7270 * gcc.c (include_spec_function): New.
7271 (static_spec_functions): Add it.
7272 (main): Move load of libgomp.spec ...
7273 (LINK_COMMAND_SPEC): ... here.
7274 (link_gomp_spec): New.
7275 (static_specs): Include it.
7276 (LINK_COMMAND_SPEC): Add link_gomp.
7277 (GOMP_SELF_SPECS): New.
7278 (driver_self_specs): Include it.
7279 (switch_matches): Don't mark inline.
7280 (main): Load libgomp.spec.
7281 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7282 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7283 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7284 * tree-gimple.h (enum omp_parallel): Declare.
7285 (determine_parallel_type): Declare.
7286 (omp_firstprivatize_variable): Declare.
7287 (omp_reduction_init): Declare.
7288 (diagnose_omp_structured_block_errors): Declare.
7289 (struct walk_stmt_info): Add want_return_expr.
7290 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7291 (find_omp_clause): Declare.
7292 (insert_field_into_struct): Declare.
7293 (struct walk_stmt_info): Move from tree-nested.c
7294 (walk_stmts): Declare.
7295 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7297 * cgraphunit.c (cgraph_lower_function): Make static.
7298 (cgraph_finalize_pending_functions): New.
7299 (cgraph_finalize_function): Call it.
7300 (cgraph_finalize_compilation_unit): Likewise.
7301 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7302 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7303 (BT_FN_UINT_UINT): New.
7304 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7305 DEF_FUNCTION_TYPE_VAR_4): Document.
7306 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7307 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7308 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7309 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7310 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7311 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7312 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7313 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7314 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7315 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7316 into separate files.
7317 (DEF_GOMP_BUILTIN): New.
7318 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7319 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7320 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7321 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7322 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7323 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7324 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7325 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7326 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7327 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7328 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7329 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7330 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7331 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7332 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7333 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7334 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7335 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7336 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7337 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7338 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7339 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7340 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7341 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7342 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7343 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7344 * sync-builtins.def: New file, moved from builtins.def.
7345 * omp-builtins.def: New file, moved from builtins.def.
7346 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7347 * gimple-low.c (lower_function_body): Clear data.
7348 (lower_stmt): Do not handle COMPOUND_EXPR.
7349 Remove call to print_node_brief.
7350 * c-tree.h (c_finish_omp_clauses): New prototype.
7351 (C_DECL_THREADPRIVATE_P): Define.
7352 (lookup_name_no_remap, c_omp_remap_private): Remove
7353 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7354 (check_for_loop_decls): Update decl.
7355 (lookup_name_no_remap, c_omp_remap_private): Declare.
7356 (build_indirect_ref, build_modify_expr, pushdecl,
7357 pushdecl_top_level): Move to c-common.h.
7358 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7359 before the switch, but just in the 2 places that need it.
7360 * c-decl.c (diagnose_mismatched_decls): Do not check for
7361 mismatched thread-local attributes when OLDDECL is marked
7362 threadprivate and NEWDECL has no thread-local attributes.
7363 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7364 (c_gimple_diagnostics_recursively): Rename from
7365 c_warn_unused_result_recursively. Invoke
7366 diagnose_omp_structured_block_errors.
7367 (check_for_loop_decls): Return a singular decl found.
7368 * langhooks.c (lhd_omp_predetermined_sharing): Return
7369 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7370 (lhd_omp_firstprivatize_type_sizes): New.
7371 (lhd_omp_assignment): New.
7372 (lhd_omp_predetermined_sharing): New.
7373 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7374 (struct lang_hooks_for_types): Add
7375 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7376 omp_predetermined_sharing, omp_disregard_value_expr,
7377 omp_private_debug_clause, omp_clause_default_ctor,
7378 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7379 (c_finish_omp_clauses): New.
7380 (c_finish_bc_stmt): Diagnose break within omp for.
7381 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7382 (build_unary_op): Return error_mark after reporting
7384 (build_modify_expr): Likewise.
7385 * gimplify.c: Include optabs.h and pointer-set.h.
7386 (enum gimplify_omp_var_data): Declare.
7387 (struct gimplify_omp_ctx): Declare.
7388 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7390 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7391 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7392 (splay_tree_compare_decl_uid): New.
7393 (new_omp_context): New.
7394 (delete_omp_context): New.
7395 (gimple_add_tmp_var): Call omp_add_variable.
7396 (gimplify_bind_expr): Likewise.
7397 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7398 true, disregard DECL_VALUE_EXPR on the decl if any.
7399 (gimplify_expr_in_ctx): New.
7400 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7401 omp_add_variable, omp_notice_variable, omp_is_private
7402 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7403 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7404 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7405 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7406 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7407 gimplify_omp_atomic): New.
7408 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7409 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7410 OMP_CRITICAL and OMP_ATOMIC.
7411 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7412 * c-pragma.h (enum pragma_kind): Add
7413 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7414 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7415 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7416 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7417 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7418 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7419 PRAGMA_OMP_THREADPRIVATE.
7420 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7421 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7422 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7423 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7424 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7425 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7426 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7427 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7428 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7429 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7430 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7431 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7432 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
7434 (struct nesting_info): Add field_map,
7435 suppress_expansion, debug_var_chain.
7436 (create_nesting_tree): Initialize them.
7437 (lookup_field_for_decl): Use field_map.
7438 (get_nonlocal_debug_decl, get_local_debug_decl): New.
7439 (convert_local_omp_clauses): New.
7440 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
7441 (walk_body): Split out of walk_function.
7442 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
7443 (convert_nonlocal_reference): Handle omp statements.
7444 (convert_local_reference): Likewise.
7445 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
7446 (unnest_nesting_tree): New.
7447 (lower_nested_functions): Call it.
7448 (insert_field_into_struct): Make extern.
7449 (struct walk_stmt_info): Move to tree-gimple.h.
7450 (walk_stmts): Make extern.
7451 * omp-builtins.def: New file.
7452 * tree-iterator.c (expr_only): Clarify comment.
7453 * c-common.h (pushdecl_top_level, pushdecl,
7454 build_modify_expr, build_indirect_ref,
7455 c_finish_omp_master, c_finish_omp_critical,
7456 c_finish_omp_ordered, c_finish_omp_barrier,
7457 c_finish_omp_atomic, c_finish_omp_flush,
7458 c_finish_omp_for, c_split_parallel_clauses,
7459 omp_clause_default_kind, c_omp_sharing_predetermined,
7460 c_omp_remap_decl): Declare.
7461 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
7462 (OBJS-common): Add omp-low.o.
7463 (c-omp.o, omp-low.o): Add.
7464 (gimplify.o): Add dependency on $(OPTABS_H).
7465 (GTFILES): Add omp-low.c.
7466 (gt-stringpool.h): Add.
7467 * tree-cfg.c (set_bb_for_stmt): Do not update the
7468 block-to-labels map if we are currently expanding to RTL.
7469 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
7471 Handle IDENTIFIER_NODE.
7472 (tree_verify_flow_info): Do not ICE when emitting error
7473 messages about invalid labels.
7474 (dump_function_to_file): Reset CFUN before emitting the body
7476 (debug_function): New.
7477 * passes.c (init_optimization_passes): Schedule
7479 * langhooks-def.h (lhd_omp_predetermined_sharing,
7480 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
7482 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
7483 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
7484 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
7485 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
7486 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
7487 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
7488 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
7489 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
7490 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
7491 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
7492 (LANG_HOOK_DECLS): Use them.
7494 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
7495 Richard Henderson <rth@redhat.com>
7496 Jakub Jelinek <jakub@redhat.com>
7497 Diego Novillo <dnovillo@redhat.com>
7499 * c-parser.c (pragma_omp_clause): Define.
7500 (c_parser_declaration_or_fndef): Document OpenMP syntax.
7501 (c_parser_compound_statement): Likewise.
7502 (c_parser_statement): Likewise.
7503 (c_parser_pragma): Handle omp pragmas.
7504 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
7505 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
7506 (c_parser_omp_clause_name, check_no_duplicate_clause,
7507 c_parser_omp_variable_list,
7508 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
7509 c_parser_omp_clause_copyprivate,
7510 c_parser_omp_clause_default,
7511 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
7512 c_parser_omp_clause_lastprivate,
7513 c_parser_omp_clause_nowait,
7514 c_parser_omp_clause_num_threads,
7515 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
7516 c_parser_omp_clause_reduction,
7517 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7518 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7519 c_parser_omp_atomic, c_parser_omp_barrier,
7520 c_parser_omp_critical, c_parser_omp_flush,
7521 c_parser_omp_for_loop, c_parser_omp_for,
7522 c_parser_omp_master, c_parser_omp_ordered,
7523 c_parser_omp_sections_scope, c_parser_omp_sections,
7524 c_parser_omp_parallel, c_parser_omp_single,
7525 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7526 * c-pragma.c (init_pragma): Do omp pragma registration here.
7527 * c.opt (fopenmp): New flag.
7529 2006-01-18 Eric Christopher <echristo@apple.com>
7531 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7532 * config/darwin.h (GOMP_SELF_SPECS): Define.
7534 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7536 * rtl.h: Remove the prototype for reg_alloc.
7538 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7541 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7542 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7543 sjlj and dwarf2 exception handling.
7544 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7545 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7546 * pa/pa.c (function_value): Treat complex and vector types as
7548 (function_arg): Likewise. Only pass scalar floats in the floating
7549 point argument registers.
7550 * pa/t-slibgcc-dwarf-ver: New file.
7551 * pa/t-slibgcc-sjlj-ver: New file.
7552 * pa/t-slibgcc-elf-ver: Delete file.
7554 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7556 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7557 unlikely_test_section_p test.
7559 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7561 * mode-switching.c (optimize_mode_switching): Make it static.
7562 * basic-block.h: Remove the prototype for
7563 optimize_mode_switching.
7565 * modulo-sched.c (sms_schedule): Make it static.
7566 * rtl.h: Remove the prototype for sms_schedule.
7568 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7569 * rtl.h: Remove the prototype for gcse_after_reload_main.
7571 * reg-stack.c (reg_to_stack): Make it static.
7572 * rtl.h: Remove the prototype for reg_to_stack.
7574 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7576 * rtl.h: Remove the prototypes for regrename_optimize and
7577 copyprop_hardreg_forward.
7579 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
7581 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
7582 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
7583 Test against the appropriate null constant for the mode.
7584 If 'fixup_overlap' is true, swap the operands if they overlap.
7585 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
7586 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
7587 alpha_split_tmode_pair and adjust for above change.
7588 * config/alpha/alpha.md (movtf_internal): Adjust call to
7589 alpha_split_tfmode_pair and rely on it to swap the operands.
7590 (movti_internal): New insn and post-reload splitter.
7591 (movti): New expander.
7593 2006-01-18 Philippe De Muyter <phdm@macqel.be>
7595 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
7598 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7600 * rtlanal.c (global_reg_mentioned_p_1,
7601 global_reg_mentioned_p): Remove.
7602 * rtl.h: Remove the prototype for global_reg_mentioned_p.
7604 * flow.c (initialize_uninitialized_subregs): Make it static.
7605 * rtl.h: Remove the prototype for
7606 initialize_uninitialized_subregs.
7608 * function.c (instantiate_virtual_regs): Make it static.
7609 * function.h: Remove the prototype for
7610 instantiate_virtual_regs.
7612 * regmove.c (regmove_optimize, combine_stack_adjustments):
7614 * rtl.h: Remove the prototypes for regmove_optimize and
7615 combine_stack_adjustments.
7617 2006-01-17 Roger Sayle <roger@eyesopen.com>
7619 * config/i386/i386.c (COSTS_N_BYTES): New macro.
7620 (size_cost): Encode costs in bytes so that a reg-reg addition is
7621 equivalent to COSTS_N_INSNS(1).
7622 (override_options): Use the size_cost.branch_cost as the default
7623 ix86_branch_cost when optimizing for size.
7625 2006-01-18 Ben Elliston <bje@au.ibm.com>
7627 * Makefile.in (D32PBIT_FUNCS): New.
7628 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
7629 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
7630 D64PBIT_FUNCS and D128PBIT_FUNCS.
7631 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
7632 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
7634 (decnumber_dep): Define.
7635 * doc/libgcc.texi (Decimal float library routines): New node.
7636 * config/dfp-bit.h, config/dfp-bit.c: New files.
7638 2006-01-18 Ben Elliston <bje@au.ibm.com>
7640 * expr.c (emit_move_change_mode): Always adjust addresses, not
7641 just during reload. Copy replacements only during reload.
7642 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
7643 emit_move_via_integer.
7645 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
7647 * Makefile.in (check-%, check-consistency): Use $${srcdir}
7648 instead of $(srcdir) and ${srcdir}.
7650 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
7654 * arm.h (struct machine_function): Add pic_reg.
7655 * arm.c (arm_pic_register): Make unsigned.
7656 (arm_override_options): Only set arm_pic_register if
7657 TARGET_SINGLE_PIC_BASE.
7658 (use_return_insn): Only test for a pic register if it is fixed.
7659 (arm_compute_save_reg0_reg12_mask): Likewise.
7660 (thumb_compute_save_reg_mask): Likewise.
7661 (legitimate_pic_operand): Factor out some known invariants.
7662 (legitimize_pic_address): If we don't have a fixed pic register,
7663 then set up a pseudo in the function entry sequence. Handle the
7664 pic base being in a pseudo.
7665 (arm_load_pic_register): Handle the pic register being in a pseudo.
7666 (arm_expand_prologue): Only set up the pic register if it is fixed.
7667 (thumb_expand_prologue): Likewise.
7668 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
7669 (pic_load_addr_based_insn): Likewise.
7670 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
7673 2006-01-18 Ben Elliston <bje@au.ibm.com>
7675 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
7676 decimal float modes for all floating point registers.
7678 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
7679 match_code "mem" with match_test "macho_lo_sum_memory_operand".
7681 2006-01-17 Jakub Jelinek <jakub@redhat.com>
7684 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
7685 even when the pointer is not NULL.
7687 2006-01-16 Ian Lance Taylor <ian@airs.com>
7689 * common.opt (ftoplevel-reorder): New option.
7690 * cgraph.c (cgraph_asm_nodes): New global variable.
7691 (cgraph_asm_last_node): New static variable.
7692 (cgraph_order): New global variable.
7693 (cgraph_create_node): Set new order field.
7694 (cgraph_varpool_node): Likewise.
7695 (decide_is_variable_needed): Return true if not
7696 flag_toplevel_reorder.
7697 (cgraph_add_asm_node): New function.
7698 * cgraph.h (struct cgraph_node): Add order field.
7699 (struct cgraph_varpool_node): Add order field.
7700 (struct cgraph_asm_node): Define.
7701 (cgraph_asm_nodes, cgraph_order): Declare.
7702 (cgraph_add_asm_node): Declare.
7703 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
7705 (cgraph_varpool_assemble_pending_decls): Call it.
7706 (cgraph_output_pending_asms): New static function.
7707 (cgraph_finalize_compilation_unit): Call it.
7708 (struct cgraph_order_sort): Define.
7709 (cgraph_output_in_order): New static function.
7710 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
7711 !flag_toplevel_reorder case.
7712 * c-parser.c: Include "cgraph.h".
7713 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
7715 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
7716 than -fno-unit-at-a-time.
7717 * doc/invoke.texi (Option Summary): Mention
7718 -fno-toplevel-reorder.
7719 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
7720 -funit-at-a-time documentation.
7722 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
7723 Kazu Hirata <kazu@codesourcery.com>
7725 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
7727 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
7729 * Makefile.in (FUNCTION_H): New. Use it instead of
7730 function.h throughout the file.
7731 * function.h: Include tree.h.
7733 2006-01-17 Ben Elliston <bje@au.ibm.com>
7735 * recog.c: Separate some functions with whitespace.
7737 2006-01-16 Richard Henderson <rth@redhat.com>
7739 Merge from gomp branch:
7740 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
7741 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
7742 and rename from struct inline_data. Rename callee* to dst*;
7743 caller* to src*; add copy_decl hook, transform_call_graph_edges,
7744 transform_new_cfg, transform_return_to_modify, and
7745 transform_lang_insert_block flags; remove cloning_p, versioning_p,
7747 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
7748 (copy_decl_for_dup): Remove.
7749 * tree-inline.c (struct inline_data): Move to header.
7750 (insert_decl_map): Export.
7751 (remap_decl): Update for member name changes. Use copy_decl hook.
7752 Allow for replacement to be a non-decl. Remove dead code.
7753 (remap_type_1): Check for existing mapping.
7754 (remap_type): Export.
7755 (remap_decls): Update for member name changes.
7756 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
7757 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
7758 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
7759 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
7760 (tree_function_versioning, build_duplicate_type): Likewise.
7761 (copy_body_r): Likewise. Export.
7762 (copy_decl_for_dup): Split into ...
7763 (copy_decl_for_dup_finish, copy_decl_to_var,
7764 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
7765 (replace_ref_tree, inlining_p): Remove.
7767 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7769 * ifcvt.c (if_convert): Make it static.
7770 * rtl.h: Remove the prototype for if_convert.
7772 * local-alloc.c (local_alloc): Make it static.
7773 * rtl.h: Remove the prototype for local_alloc.
7775 * loop.c (loop_optimize): Make it static.
7776 * cfgloop.h: Remove the prototype for loop_optimize.
7779 2006-01-16 DJ Delorie <dj@redhat.com>
7781 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
7784 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7786 * pa.md: Disparage copies between general and floating-point registers
7787 in 32-bit move patterns.
7789 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
7792 * Makefile.in (check-%): Depend on site.exp instead of
7793 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
7796 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7798 * global.c (global_alloc): Make it static.
7799 * rtl.h: Remove the prototype for global_alloc.
7801 2006-01-16 Richard Guenther <rguenther@suse.de>
7803 * tree-ssa-alias.c (struct used_part): Add write_only field.
7804 (get_or_create_used_part_for): Initialize it to true.
7805 (create_overlap_variables_for): Don't create structure variables
7806 for structures that only are written to.
7807 (find_used_portions): Handle MODIFY_EXPR to track whether a
7808 structure is only written to.
7810 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7812 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
7814 * basic-block.h: Remove the prototype for
7815 partition_hot_cold_basic_blocks.
7817 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
7819 * cppspec.c (lang_specific_spec_functions): Remove.
7820 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
7821 * gcc.h (lang_specific_spec_functions): Remove.
7822 * gccspec.c (lang_specific_spec_functions): Remove.
7824 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
7826 * combine.c (record_value_for_reg): Invalidate registers
7828 (record_dead_and_set_regs_1): Likewise, by passing them to
7829 record_value_for_reg.
7830 (record_dead_and_set_regs): Invalidate stores made by a
7831 call. We do not combine across a call, but we still
7832 relied on equivalences.
7834 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7836 * tree-vrp.c (extract_range_from_binary_expr): Cope with
7837 vrp_int_const_binop returning non-constant nodes.
7839 2006-01-16 Paul Brook <paul@codesourcery.com>
7841 * config/m68k/m68k.c (output_move_const_into_data_reg):
7842 Output correct mnemonic for mvz and mvs.
7844 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
7846 * rtl-factoring.c: Add sequence abstraction algorithm.
7847 * cfgcleanup.c (outgoing_edges_match): Extra checks.
7848 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
7850 (block_has_preserve_label): New function.
7851 * common.opt: Register new pass.
7852 * Makefile.in: Ditto.
7854 * timevar.def: Ditto.
7855 * tree-pass.h: Ditto.
7856 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
7857 * rtl.h (make_jump_insn_raw): Add forward decl.
7858 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
7860 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7861 Roger Sayle <roger@eyesopen.com>
7863 * fold-const.c (fold_minmax): New static function.
7864 (fold_binary) <MIN_EXPR>: Call it.
7865 <MAX_EXPR>: Likewise.
7866 * stor-layout.c (place_field): Use DECL_SIZE consistently
7867 in the computation of the new record size.
7869 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7871 * cse.c (cse_condition_code_reg): Make it static.
7872 * rtl.h: Remove the prototype for cse_condition_code_reg.
7874 * combine.c (combine_instructions): Make it static.
7875 * rtl.h: Remove the prototype for combine_instructions.
7877 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7880 * tree.c (get_file_function_name_long): Concatenate the first global
7881 object name with a string derived from the input filename of the object
7884 2006-01-16 Ben Elliston <bje@au.ibm.com>
7886 * config/i386/winnt-stubs.c: Update FSF address.
7887 * config/xtensa/ieee754-df.S: Ditto.
7888 * config/xtensa/ieee754-sf.S: Ditto.
7890 2006-01-14 Ian Lance Taylor <ian@airs.com>
7892 * ifcvt.c (noce_init_if_info): New static function, broken out of
7893 noce_process_if_block.
7894 (noce_process_if_block): Call noce_init_if_info.
7895 (check_cond_move_block): New static function.
7896 (cond_move_process_if_block): New static function.
7897 (process_if_block): Call cond_move_process_if_block.
7899 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
7901 * cselib.c (hash_table): Rename to cselib_hash_table.
7902 (cselib_clear_table, discard_useless_values,
7903 remove_useless_values, cselib_lookup_mem, cselib_lookup,
7904 cselib_init, cselib_finish): Adjust uses of hash_table.
7906 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
7908 PR tree-optimization/25485
7909 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
7910 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
7911 is known to be false and true, respectively.
7913 2006-01-14 Richard Guenther <rguenther@suse.de>
7915 PR tree-optimization/22548
7916 PR tree-optimization/22555
7917 PR tree-optimization/22501
7918 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
7919 * params.def (salias-max-array-elements): New parameter.
7920 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
7921 * doc/invoke.texi (salias-max-array-elements): Document.
7922 * tree-flow-inline.h (var_can_have_subvars): We also handle
7924 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
7926 * tree-ssa-structalias.c (params.h): Include.
7927 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
7928 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
7929 (get_constraint_for): For ADDR_EXPR operating on something
7930 containing an ARRAY_REF, add all subvars to the solution.
7931 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
7932 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
7933 for creating MUST_DEFs.
7934 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
7936 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
7938 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
7940 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
7941 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7942 number_of_iterations_le): New functions.
7943 (number_of_iterations_special): Removed.
7944 (number_of_iterations_exit): Do not use number_of_iterations_special.
7945 * tree.c (unsigned_type_for): Always return integer type.
7947 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
7948 Richard Guenther <rguenther@suse.de>
7950 PR rtl-optimization/24257
7951 * gcse.c (find_moveable_store): Only consider a store movable
7952 when the SET_SRC of the insn can be assigned to a register.
7954 2006-01-14 Ian Lance Taylor <ian@airs.com>
7956 * tree.c (tree_not_class_check_failed): New function.
7957 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
7958 (tree_not_class_check_failed): Declare.
7960 2006-01-13 Ian Lance Taylor <ian@airs.com>
7962 * reload1.c (do_output_reload): Add assertion rejecting a
7965 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
7967 * combine.c (struct reg_stat): Add new fields truncation_label and
7969 (record_value_for_reg): Reset truncated_to_mode.
7970 (record_truncated_value): New function.
7971 (check_promoted_subreg): Call it. Rename to check_conversions.
7972 (combine_instructions): Rename check_promoted_subreg to
7974 (reg_truncated_to_mode): New function.
7975 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
7976 (gen_lowpart_or_truncate): New function.
7977 (force_to_mode): Use it instead of gen_lowpart.
7979 2006-01-13 Diego Novillo <dnovillo@redhat.com>
7981 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
7982 VAR is a tag, not its type tag.
7984 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
7986 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
7987 alternatives to match style of other entries.
7988 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
7990 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
7992 PR tree-optimization/25771
7993 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
7996 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
7999 * tree-inline.c (declare_return_variable): If the return variable
8000 was marked as a non gimple complex, set the return slot variable
8001 to be a non gimple comple variable.
8003 2006-01-13 Richard Guenther <rguenther@suse.de>
8005 * builtins.c (expand_builtin_sincos): New function.
8006 (expand_builtin_mathfn_3): Remove dead code, sin and cos
8008 (expand_builtin): Expand sincos using expand_builtin_sincos.
8010 2006-01-12 DJ Delorie <dj@redhat.com>
8012 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
8013 shift counts, separate SI shifts for m32c vs m16c, pass shift type
8014 so that constant shifts can be split.
8015 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
8016 (m32c_valid_pointer_mode): Make static.
8017 (shift_gen_func_for): New.
8018 (m32c_prepare_shift): Use it. Split large const shifts into
8020 * config/m32c/predicates.md (shiftcount_operand): Allow more
8022 (longshiftcount_operand): New.
8023 * doc/md.texi (Machine Constraints): Document In6.
8025 2006-01-13 Ben Elliston <bje@au.ibm.com>
8027 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
8028 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
8031 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
8033 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
8034 to try to avoid clobbering pieces of structures when we know
8035 something about the whole structure.
8036 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
8038 2006-01-13 Ben Elliston <bje@au.ibm.com>
8040 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
8041 return in memory, as this is no limitation is no longer present.
8043 2006-01-12 DJ Delorie <dj@redhat.com>
8045 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
8046 mova with fb, and for fb+0 -> An.
8048 * config/m32c/mov.md (peephole2): Fix enabling logic.
8050 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
8051 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
8052 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
8053 FINI_ARRAY_SECTION_ASM_OP): Define.
8055 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
8057 (m32c_legitimize_reload_address): New logic to reload FB to An.
8058 (m32c_output_reg_push): Add newline.
8059 (m32c_output_reg_pop): Likewise.
8061 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
8063 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
8065 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
8067 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
8069 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8071 * config/sh/predicates.md (sh_rep_vec): Add parallel to
8074 2006-01-11 Ben Elliston <bje@au.ibm.com>
8076 * rtlanal.c (find_reg_note): Assert insn is not null.
8078 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8080 * df-scan.c (df_hard_reg_init): Move declaration of i outside
8083 2006-01-11 Jeff Law <law@redhat.com>
8085 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
8087 (mark_threaded_blocks, register_jump_thread): New functions.
8088 (thread_through_all_blocks): Remove unwanted argument. No
8089 longer rely on e->aux to communicate thread target info.
8090 Call mark_threaded_blocks. Release the threaded_blocks
8091 bitmap and threaded_edges vector when complete.
8092 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
8093 (threaded_blocks): Remove.
8094 (tree_ssa_dominator_optimize): Remove initialization and
8095 finalization of threaded_blocks. Simplify call to
8096 thread_through_all_blocks.
8097 (thread_across_edge): Call register_jump_thread rather than
8098 storing thread information into e->aux.
8099 (free_all_edge_infos): Simplify now that e->aux is no longer
8100 used to communicate with thread_through_all_blocks.
8101 * tree-flow.h (thread_through_all_blocks): Update prototype.
8102 (register_jump_thread): Prototype.
8104 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8106 * df-core.c (df_compact_blocks, df_bb_replace): Use
8107 SET_BASIC_BLOCK instead of BASIC_BLOCK.
8109 2006-01-11 Richard Guenther <rguenther@suse.de>
8111 PR tree-optimization/25734
8112 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
8113 stop propagation after successful propagation to the LHS.
8115 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
8117 * basic-block.h (control_flow_graph): Change the type of
8118 x_basic_block_info to VEC(basic_block,gc) *.
8119 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
8121 (SET_BASIC_BLOCK): New.
8122 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
8123 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
8124 * cfgbuild.c (find_basic_blocks): Likewise.
8125 * cfglayout.c (fixup_reorder_chain): Likewise.
8126 * cfgrtl.c (create_basic_block_structure,
8127 rtl_create_basic_block): Likewise.
8128 * ifcvt.c (find_if_case_1): Likewise.
8129 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
8132 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
8134 * Makefile.in: Removed rotted odf.c entry.
8136 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
8139 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
8140 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
8141 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
8142 output pattern modifier, not %e.
8143 * config/cris/cris.c (cris_op_str): Update comment about pattern
8145 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
8146 before falling through into...
8147 <case 'E'>: Redefined from old 'e' case.
8149 2006-01-11 Jan Hubicka <jh@suse.cz>
8152 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
8154 2006-01-11 Jan Hubicka <jh@suse.cz>
8156 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
8157 * i386.c (x86_decompose_lea): Kill.
8158 (ix86_rtx_costs): Kill.
8160 2006-01-11 Jan Hubicka <jh@suse.cz>
8162 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
8163 * cgraph.h (cgraph_node): Add inline_decl.
8164 (cgraph_insert_node_to_hashtable): Declare.
8165 (save_inline_function_body): Declare.
8166 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
8168 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
8169 (cgraph_function_versioning): Update call of tree_function_versioning.
8170 (save_inline_function_body): New function.
8171 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
8172 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
8173 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
8174 (cgraph_default_inline_p): Likewise.
8175 (cgraph_decide_inlining_incrementally): Likewise.
8176 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
8177 (copy_bb): Kill saving; do updating of clones.
8178 (copy_cfg_body): Kill saving.
8179 (initialize_inlined-parameters): Likewise.
8180 (expand_call_inline): Likewise.
8182 (tree_function_versioning): New parameter "update_clones".
8183 (inlining_p): Kill saving.
8184 * tree-inline.h (tree_function_versioning): Update prototype.
8185 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
8188 2006-01-11 Ian Lance Taylor <ian@airs.com>
8190 * combine.c (struct undo): Remove is_int. Enumify types of undos.
8191 Allow undoing set of machine mode.
8192 (do_SUBST): Use enums instead of is_int.
8193 (do_SUBST_MODE): New function.
8194 (SUBST_MODE): New macro.
8195 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
8196 reg and trying to replace reg_regno_rtx with a new register.
8197 (undo_all): Use new enums, handle undoing a PUT_MODE change.
8198 (simplify_set): Use SUBST_MODE.
8199 (distribute_notes): Remove code that tried to update reg notes
8200 for regno_reg_rtx changes.
8202 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
8204 PR tree-optimization/23109
8205 PR tree-optimization/23948
8206 PR tree-optimization/24123
8208 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
8209 * tree-cfg.c (single_noncomplex_succ): New.
8210 * tree-flow.h (single_noncomplex_succ): Declare it.
8211 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8212 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
8213 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
8214 insert_bb, register_division_in, insert_reciprocals,
8215 replace_reciprocal, free_bb): New.
8216 (execute_cse_reciprocals_1): Rewritten.
8217 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
8218 Do not commit any edge insertion. Always compute dominators and
8219 create the allocation pool.
8220 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
8221 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
8222 * targhooks.c (default_min_divistions_for_recip_mul): New.
8223 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
8224 * passes.c (init_optimization_passes): Run recip after tree loop
8226 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
8228 2006-01-11 Danny Berlin <dberlin@dberlin.org>
8229 Kenneth Zadeck <zadeck@naturalbridge.com>
8231 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
8232 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
8233 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
8234 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
8235 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
8236 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
8237 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
8238 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
8239 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
8240 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8241 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8242 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8243 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8244 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8245 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8246 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8247 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8248 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8249 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8250 DF_SCAN_POST_ALLOC): New macros.
8251 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8252 df_free_bb_function, df_local_compute_function, df_init_function,
8253 df_dataflow_function, df_confluence_function_0,
8254 df_confluence_function_n, df_transfer_function,
8255 df_finalizer_function, df_free_function, df_dump_problem_function,
8256 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8257 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8258 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8259 df_urec_bb_info, ) New types.
8260 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8262 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8263 df_analyze_simple_change_some_blocks,
8264 df_analyze_simple_change_one_block, df_compact_blocks,
8265 df_bb_replace, df_bb_regno_last_use_find,
8266 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8267 df_insn_regno_def_p, df_find_def, df_find_use,
8268 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8269 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8270 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8271 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8272 debug_df_chain, df_get_dependent_problem, df_chain_create,
8273 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8274 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8275 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8276 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8277 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8278 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8279 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8280 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8281 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8282 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8283 df_reorganize_refs, df_set_state, df_hard_reg_init,
8284 df_read_modify_subreg_p) New public functions.
8285 * df-core.c: The core dataflow solver and glue routines for rtl
8287 (df_init, df_add_problem, df_set_blocks, df_finish,
8288 df_hybrid_search_forward, df_hybrid_search_backward,
8289 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8290 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8291 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8292 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8293 df_reg_defined, df_find_use, df_reg_used, df_dump,
8294 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8295 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8296 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8297 debug_df_useno, reset_df_after_reload): New functions.
8298 * df-scan.c: The scanning fuctions, once in df.c, completely
8299 rewritten so that they now fully model the functionality of
8300 register usage at the backend.
8301 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8302 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8303 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8304 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8305 df_get_artificial_defs, df_get_artificial_uses,
8306 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8307 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8308 df_refs_delete, df_reorganize_refs, df_set_state,
8309 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8310 df_def_record_1, df_defs_record, df_uses_record,
8311 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8312 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8313 df_record_exit_block_uses, df_hard_reg_init): New functions.
8315 * df-problems.c: Seven concrete dataflow problems that use the
8316 scanning in df-scan.c and are solved by the engine in df-core.c.
8317 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8318 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8319 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8320 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8321 df_ru_free_bb_info, df_ru_alloc,
8322 df_ru_bb_local_compute_process_def,
8323 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8324 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8325 df_ru_transfer_function, df_ru_free, df_ru_dump,
8326 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8327 df_rd_free_bb_info, df_rd_alloc,
8328 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8329 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8330 df_rd_transfer_function, df_rd_free, df_rd_dump,
8331 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8332 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8333 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8334 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8335 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8336 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8337 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8338 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8339 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8340 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8341 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8342 df_urec_mark_reg_use_for_earlyclobber,
8343 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8344 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8345 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8346 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8347 df_chain_create_bb_process_use, df_chain_create_bb,
8348 df_chain_finalize, df_chain_free, df_chains_dump,
8349 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8350 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8351 df_reg_lifetime): New functions.
8352 * df.c: Deleted file.
8353 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8354 consistent with new df api.
8355 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8356 rest_of_handle_sms): Ditto.
8357 * web.c (unionfind_union, union_defs, entry_register, web_main):
8359 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8360 invariant_expr_equal_p, find_defs, check_dependencies,
8361 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8362 free_inv_motion_data, move_loop_invariants): Ditto.
8363 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8364 Update dependencies.
8365 (odf.c): Added defective entry that was deleted later in day.
8366 * sched-deps.c (sched_analyze_1): Ditto.
8368 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8370 * tree-ssa-operands.c (get_expr_operands): Record addressable
8371 variables directly. Do not call add_stmt_operands for CONST_DECLs
8373 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8374 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8376 2006-01-11 Ben Elliston <bje@au.ibm.com>
8378 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8379 function returns true in the positive case.
8381 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8384 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8385 for SI, DI, SF and DF modes. Add alternatives to copy between
8386 general and floating point registers to the 32-bit patterns.
8387 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8388 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8389 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8390 generating 64-bit code.
8391 * config/pa/pa.c (output_move_double): Handle copies between general
8392 and floating registers.
8394 2006-01-10 Stuart Hastings <stuart@apple.com>
8396 * config/i386/i386.md (set_got): Update.
8397 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8398 (builtin_setjmp_receiver): Mach-O support.
8399 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8400 (GOT_SYMBOL_NAME): Define.
8401 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8402 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8403 * config/i386/i386.c (override_options): Revise for Darwin.
8404 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8405 support. (darwin_x86_file_end): New. (output_set_got): Add label
8406 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8407 * config/i386/i386-protos.h (output_set_got): Likewise.
8408 * config/darwin.c (machopic_legitimize_pic_address): Update
8411 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8413 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8414 when MODE isn't BLKmode.
8416 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8418 PR rtl-optimization/25367
8419 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8421 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8424 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8425 for a negative bound.
8427 2006-01-10 Richard Guenther <rguenther@suse.de>
8429 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8430 Never override with anything constraint.
8432 2006-01-10 Jan Beulich <jbeulich@novell.com>
8434 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
8435 256 bits when optimize_size.
8437 2006-01-10 Jan Beulich <jbeulich@novell.com>
8439 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
8441 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
8442 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
8445 2006-01-10 Ben Elliston <bje@au.ibm.com>
8447 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
8449 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
8450 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8451 (USE_FP_FOR_ARG): Reject decimal float modes.
8452 (function_arg_advance): Likewise.
8453 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
8454 (rs6000_handle_altivec_attribute): Do not permit decimal floating
8455 point types in AltiVec vectors.
8456 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
8457 (rs6000_libcall_value): Likewise.
8459 2006-01-09 Bob Wilson <bob.wilson@acm.org>
8461 * config/xtensa/ieee754-df.S: New file.
8462 * config/xtensa/ieee754-sf.S: New file.
8463 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
8464 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
8465 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
8467 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8469 * config/sh/predicates.md (binary_float_operator,
8470 binary_logical_operator, commutative_float_operator,
8471 equality_comparison_operator, greater_comparison_operator,
8472 less_comparison_operator, logical_operator,
8473 noncommutative_float_operator, shift_operator,
8474 symbol_ref_operand, unary_float_operator): Remove redundant
8477 2006-01-09 Jeff Law <law@redhat.com>
8479 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
8480 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
8481 now unused arguments. Callers updated.
8482 (eliminate_redundant_computations): Remove now unused arguments,
8484 (local_fold): Remove, no longer used.
8485 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
8487 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
8488 (simplify_cond): New function.
8489 (forward_propagate_into_cond): Call simplify_cond.
8491 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
8493 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
8494 (*vec_extractv2di_1_sse): New.
8496 2006-01-09 Ben Elliston <bje@au.ibm.com>
8498 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
8500 2006-01-08 Richard Guenther <rguenther@suse.de>
8502 * tree-ssa-structalias.c (get_constraint_for): Remove
8504 (get_constraint_for_component_ref): Likewise.
8505 (do_deref): Likewise.
8506 (get_constraint_for): Likewise.
8507 (do_structure_copy): Likewise.
8508 (handle_ptr_arith): Likewise.
8509 (find_func_aliases): Likewise. Remove unused need_anyoffset
8512 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
8513 Kaz Kojima <kkojima@gcc.gnu.org>
8515 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
8516 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8517 (EXTRA_CONSTRAINT_C16): Remove.
8518 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8519 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8520 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8521 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8522 constants of SHmedia. Handle nested constant expressions of
8524 (andcosts): Fix the costs for SHmedia constants.
8525 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8526 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8527 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8528 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8529 (movv4hi_i, movv2si_i): Likewise.
8530 (movsi_const): Adjust the second operand of ior so to match with
8532 (movdi_const, movdi_const_32bit): Likewise.
8533 (movdi_const_16bit+1): Don't sign-extend LOW.
8534 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8536 (*double_shori): Fix the split condition. Use GEN_INT instead
8537 of get_int_mode calls. Mask lower 16-bit of the argument of
8539 (sym2GOTPLT): Remove.
8540 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8542 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8543 instead of EXTRA_CONSTRAINT_C16.
8545 2006-01-07 Ian Lance Taylor <ian@airs.com>
8546 David Edelsohn <edelsohn@gnu.org>
8548 PR rtl-optimization/25662
8549 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8550 for constant operands instead of simplify_gen_binary.
8551 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8552 after trying simplify_binary_operation
8554 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8556 * tree.c (iterative_hash_expr): Hash decls based on UID.
8558 2006-01-06 Eric Christopher <echristo@apple.com>
8560 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8561 (TARGET_UNWIND_EMIT): Fix spelling.
8562 * target.h (gcc_target): Add except_table_label.
8563 * except.c (output_function_exception_table): Use.
8564 * varasm.c (default_emit_except_table_label): New.
8565 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8567 (asm_out): Add here.
8568 * output.h (default_emit_except_table_label): Prototype.
8569 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8570 * config/darwin.c (darwin_emit_except_table_label): Define.
8571 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8573 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8575 PR tree-optimization/18527
8576 * tree-ssa-loop-niter.c (number_of_iterations_cond,
8577 number_of_iterations_special, number_of_iterations_exit):
8578 Move base and step of an iv to a single structure. Add
8579 no_overflow flag, and use it in # of iterations analysis.
8580 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
8581 folded_casts argument.
8582 (simple_iv): Pass base and step in a structure. Set no_overflow
8584 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
8585 Evaluate expensiveness of computing # of iterations instead of
8586 the final expression.
8587 * tree-scalar-evolution.h (affine_iv): New structure.
8588 (simple_iv): Declaration changed.
8589 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
8590 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
8591 find_givs_in_stmt): Changed due to simple_iv change.
8593 2006-01-06 Jeff Law <law@redhat.com>
8596 * tree-cfg.c (bsi_replace): Rename final argument from
8597 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
8598 change (stmt -> orig_stmt).
8599 * tree-eh.c (verify_eh_throw_stmt_node): New function.
8600 (bsi_remove): Add new argument. Remove EH information
8602 (verify_eh_throw_table_statements): New function.
8603 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
8605 * tree-optimize.c (execute_free_cfg_annotations): Verify
8606 the EH throw statement table after removing annotations.
8607 * except.h (verify_eh_throw_table_statements): Prototype.
8608 * tree-flow.h (bsi_remove): Update prototype.
8609 * tree-vrp.c (remove_range_assertions): Add new argument to
8611 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
8612 * tree-complex.c (expand_complex_div_wide): Likewise.
8613 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
8614 * tree-tailcall.c (eliminate_tailcall): Likewise.
8615 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8616 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8617 * tree-nrv.c (tree_nrv): Likewise.
8618 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
8619 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
8620 (combine_blocks): Likewise.
8621 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
8622 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
8623 (cleanup_control_flow): Likewise.
8624 (remove_forwarder_block): Likewise.
8625 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8626 * tree-sra.c (sra_replace): Likewise.
8627 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
8628 (forward_propagate_single_use_vars): Likewise.
8629 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
8630 * tree-inline.c (expand_call_inline): Likewise.
8631 * tree-vect-transform.c (vect_transform_loop): Likewise.
8632 * tree-outof-ssa.c (rewrite_trees): Likewise.
8633 * tree-cfg.c (make_goto_expr_edges): Likewise.
8634 (cleanup_dead_labels): Likewise.
8635 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
8636 (bsi_move_before, bsi_move_after): Likewise.
8637 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
8638 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
8640 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
8643 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
8645 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
8646 on non gimple variables. Also add checks at the top for decls and
8648 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
8650 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
8651 and IMAGPART_EXPR for creating MUST_DEFs.
8652 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
8653 and NAME_MEMORY_TAG separately from the DECLs.
8655 2006-01-06 Richard Guenther <rguenther@suse.de>
8657 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
8658 annotation, if necessary.
8659 * tree-ssa-pre.c (create_expression_by_pieces): Remove
8660 redundant calls to update_stmt.
8661 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
8664 2006-01-05 Richard Henderson <rth@redhat.com>
8666 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
8668 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8670 * c-typeck.c: Update copyright date.
8672 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8674 * c-typeck.c (build_c_cast): Always warn when casting
8675 from a pointer to an integer of different size, even if
8676 the node was constant.
8678 2006-01-05 Richard Guenther <rguenther@suse.de>
8680 PR tree-optimization/22555
8681 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
8682 if one structure field is an array.
8683 * tree-ssa-operands.c (get_expr_operands): Continue scanning
8684 operands even if we found a subvar, but ignore VOPs in this
8686 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
8688 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
8690 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
8693 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
8695 2006-01-05 Richard Guenther <rguenther@suse.de>
8696 Diego Novillo <dnovillo@redhat.com>
8698 * tree-pass.h (TODO_remove_unused_locals): Define.
8699 * gimple-low.c (expand_var_p, remove_useless_vars,
8700 pass_remove_useless_vars): Remove. Update all users.
8701 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
8702 (remove_unused_locals): New function.
8703 * tree-flow.h (remove_unused_locals): Declare.
8704 * passes.c (execute_todo): Call remove_unused_locals if
8705 TODO_remove_unused_locals is set.
8706 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
8707 * tree-ssa-dce.c (pass_dce): Likewise.
8708 * tree-outof-ssa.c (pass_del_ssa): Likewise.
8710 2006-01-05 Richard Guenther <rguenther@suse.de>
8712 * tree-flow.h (struct fieldoff): Decompose field to
8713 type, size and decl.
8714 * tree-ssa-alias.c (create_sft): Take type as parameter.
8715 (create_overlap_variables_for): Store type, size and decl
8716 in the fieldoff structure.
8717 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
8719 (push_fields_onto_fieldstack): Likewise.
8720 (create_variable_info_for): Likewise. Use offset for the
8721 SFT name if the decl is not available.
8723 2006-01-04 Paul Brook <paul@codesourcery.com>
8725 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
8727 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
8729 * lambda-code.c (can_put_in_inner_loop): Relax
8731 (can_put_after_inner_loop): New function.
8732 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
8733 (perfect_nestify): Change to make copies and modify uses.
8735 2006-01-04 Richard Henderson <rth@redhat.com>
8737 Merge from gomp branch:
8738 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
8739 via integer constant.
8740 (pragma_lex): Remove.
8741 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
8742 rather than parsing it.
8743 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
8744 handle_pragma_extern_prefix): Add %< %> quotes.
8745 (registered_pragmas): New.
8746 (c_register_pragma_1): New.
8747 (c_register_pragma): Use it.
8748 (c_register_pragma_with_expansion): Likewise.
8749 (c_invoke_pragma_handler): New.
8750 (init_pragma): Use cpp_register_deferred_pragma directly for
8752 * c-pragma.h (enum pragma_kind): New.
8753 (pragma_handler): New.
8754 (c_invoke_pragma_handler): Declare.
8755 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
8757 * c-common.h (c_common_pch_pragma): Update decl.
8758 * Makefile.in (c-parser.o): Update dependencies.
8759 (GTFILES): Add c-pragma.h.
8760 * c-parser.c (struct c_token): Add pragma_kind.
8761 (struct c_parser): Add in_pragma.
8762 (c_lex_one_token): Always initialize keyword and pragma_kind.
8763 Extract data for CPP_PRAGMA.
8764 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
8765 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
8766 Don't allow CPP_PRAGMA_EOL if in_pragma.
8767 (c_parser_consume_pragma): New.
8768 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
8769 (c_parser_skip_to_end_of_parameter): Likewise.
8770 (c_parser_skip_to_end_of_block_or_statement): Likewise.
8771 (c_parser_skip_to_pragma_eol): New.
8772 (c_parser_external_declaration): Handle CPP_PRAGMA.
8773 (c_parser_compound_statement_nostart): Likewise.
8774 (c_parser_statement_after_labels): Likewise.
8775 (c_parser_pragma): New.
8776 (pragma_lex): Likewise.
8777 (c_parser_pragma_pch_preprocess): New.
8778 (c_parser_new): Merge into ...
8779 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
8781 2006-01-04 Jeff Law <law@redhat.com>
8784 * tree-cfg.c (bsi_replace): Remove the original statement
8785 from the EH throw statement table.
8787 2006-01-04 Jakub Jelinek <jakub@redhat.com>
8789 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
8790 make the prototype extern "C" and add throw ().
8793 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
8794 and pos non-negative and pos + len <= 32.
8795 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
8796 drop pos + len < HOST_BITS_PER_WIDE_INT test.
8797 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
8800 * c-common.c (handle_vector_size_attribute): Reject zero vector size
8801 as well as sizes not multiple of component size.
8804 * function.c (instantiate_expr): New function.
8805 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
8806 walk its DECL_VALUE_EXPR with instantiate_expr.
8808 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
8809 DW_OP_deref{,_size} if address isn't going to be added.
8811 2006-01-04 Ben Elliston <bje@au.ibm.com>
8813 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
8814 * config/fp-bit.c: Likewise.
8816 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
8818 * dominance.c: Add comment about why we use DFS numbering
8821 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8822 Richard Henderson <rth@redhat.com>
8824 Merge from gomp-branch:
8825 * varasm.c (assemble_variable): Handle thread-local COMMON data.
8826 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
8828 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
8830 PR rtl-optimization/25578
8831 * combine.c (combine_simplify_rtx, force_to_mode): Don't
8832 pass a parameter to simplify_shift_const if changing ASHIFTRT
8835 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
8837 * builtins.c (get_builtin_sync_mem): New function.
8838 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
8839 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
8840 Call get_builtin_sync_mem to generate mem rtx.
8842 2006-01-03 Richard Guenther <rguenther@suse.de>
8845 * stmt.c (add_case_node): Make sure to clear overflow flags
8848 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8850 Merge from gomp-branch.
8851 * config/sparc/sync.md: New file.
8852 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
8853 UNSPECV_LDSTUB): New constants.
8854 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
8855 * config/sparc/predicates.md (memory_reg_operand): New predicate.
8856 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
8859 2006-01-03 Roger Sayle <roger@eyesopen.com>
8861 * combine.c (reg_subword_p): New predicate to test whether the
8862 destination of a set refers to a subword/piece of a register.
8863 (try_combine): Generalize the code to merge the setting of a
8864 pseudo to a constant followed by a set of a subword of that
8865 register to a constant.
8867 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
8869 * basic-block.h (control_flow_graph): Change the type of
8870 x_label_to_block_map to VEC(basic_block,gc) *.
8871 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
8872 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
8874 * tree-ssa-propagate.c (cfg_blocks): Change the type to
8875 VEC(basic_block,heap) *.
8876 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
8877 ssa_prop_fini): Adjust the uses of cfg_blocks.
8879 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
8881 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
8883 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
8884 hashing trees instead of a pointer hash.
8885 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
8886 compare for MEM_EXPR.
8888 PR rtl-optimization/25130
8889 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
8890 when comparing MEMs for GCSE
8892 2006-01-03 Ben Elliston <bje@au.ibm.com>
8894 * targhooks.h (default_decimal_float_supported_p): Declare.
8895 * targhooks.c (default_decimal_float_supported_p): Define.
8896 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
8897 `default_decimal_float_supported_p'.
8898 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
8900 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
8902 * combine.c (apply_distributive_law <SUBREG>): Check
8903 TRULY_NOOP_TRUNCATION.
8905 2006-01-02 Geoffrey Keating <geoffk@apple.com>
8907 * dwarf2out.c (have_switched_text_section): Delete.
8908 (have_multiple_function_sections): New.
8909 (have_location_lists): Make 'bool'.
8910 (add_AT_loc_list): Use 'true' not '1'.
8911 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
8912 (output_loc_list): Use have_multiple_function_sections.
8913 (output_ranges): Likewise.
8914 (dwarf2out_begin_function): Set have_multiple_function_sections if
8916 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
8917 Check function_section rather than DECL_SECTION_NAME.
8918 (dwarf2out_finish): Use have_multiple_function_sections.
8919 Don't clear have_location_lists.
8921 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
8922 Jan Hubicka <jh@suse.cz>
8924 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
8925 case of conditional jump jumping to the next instruction.
8926 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
8927 cases of conditional jump jumping to the next instruction.
8929 2006-01-02 Jan Hubicka <jh@suse.cz>
8931 * i386.c (*_cost): Add COSTS_N_INSNS.
8932 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
8934 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
8937 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
8939 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8941 * config/arm/arm.c (all_fpus): Fix comment typo.
8942 * config/darwin.c: Likewise.
8943 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
8944 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
8945 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
8947 2006-01-01 David Edelsohn <edelsohn@gnu.org>
8949 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
8950 (rs6000_split_compare_and_swapqhi): New.
8951 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
8952 (sync_compare_and_swapqhi_internal): New.
8953 * config/rs6000/rs6000-protos.h: Declare.