1 2006-03-30 Roger Sayle <roger@eyesopen.com>
3 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4 signed vs. unsigned comparison failures on some hosts.
6 2006-03-31 Alan Modra <amodra@bigpond.net.au>
9 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
12 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
13 (rs6000_override_options): Use it.
14 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
15 only for -mabi=spe/no-spe and -mabi=altivec.
17 2006-03-30 Geoffrey Keating <geoffk@apple.com>
19 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
22 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
24 * Makefile.in: Rename docdir to gcc_docdir.
26 2006-03-30 Roger Sayle <roger@eyesopen.com>
29 * expr.c (emit_group_store): Optimize group stores into a pseudo
30 register by using a paradoxical subreg to initialize the destination
31 if the first or last member of the group specifies a "low part".
33 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
36 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
37 * target.h (struct gcc_target.speculate_insn): Change type of the
38 second parameter to 'int'.
39 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
40 the second operand of the DEPS_LIST.
41 (copy_DEPS_LIST_list): Update reference to the second operand of the
43 * rtl.h (alloc_DEPS_LIST): Update signature.
44 * sched-int.h (ds_t): Change typedef to 'int'.
45 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
47 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
49 * haifa-sched.c (try_ready): Change condition to restore
50 non-speculative pattern of the instruction.
51 (process_insn_depend_be_in_spec): Code to keep probability of the
52 speculative dependence non-decreasing.
54 2006-03-30 Jie Zhang <jie.zhang@analog.com>
56 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
57 (single_move_for_movmem): ... this. Also change all uses.
58 (bfin_expand_strmov): Renamed to...
59 (bfin_expand_movmem): ... this. Also change all uses.
60 * config/bfin/bfin.md (movstrsi): Renamed to...
63 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
65 PR tree-optimization/26830
67 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
68 (copy_prop_visit_stmt): Remove write-only variable ann.
69 (init_copy_prop): Check variable loop depth here. Do not simulate
70 memory-tag and virtual operand PHIs except for store copy prop.
72 2006-03-30 Richard Guenther <rguenther@suse.de>
74 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
75 variants with double arguments.
77 2006-03-29 David Edelsohn <edelsohn@gnu.org>
79 * genpreds.c (write_tm_constrs_h): Delete variable p.
80 * genconditions.c (write_header): Add tm-constrs.h to included
82 * genpeep.c (main): Add toplev.h to included headers.
83 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
84 (build/genpeep.o): Add toplev.h dependency.
85 * config/rs6000/constraints.md: Add "W" constraint.
87 2006-03-29 Roger Sayle <roger@eyesopen.com>
89 * stor-layout.c (mode_for_size_tree): Remove restiction on type
90 sizes by correctly testing whether the size fits a host integer.
91 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
92 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
93 SImode range for the default sizetype and bitsizetype.
95 2006-03-29 Roger Sayle <roger@eyesopen.com>
97 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
98 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
99 quickly if the argument is already of the correct type.
100 Call fold_build1 instead of build1. Tidy up blank lines.
102 2006-03-29 David Edelsohn <edelsohn@gnu.org>
104 * genemit.c (main): Add tm-constrs.h to included headers.
105 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
106 * genpeep.c (main): Add tm-constrs.h to included headers.
107 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
108 (write_tm_constrs_h): this and write complete file.
109 (write_tm_preds_h): Do not emit satisfies_constraint fns.
110 (write_insn_preds_c): Add tm-constrs.h to included headers.
111 (gen_constrs): New variable.
112 (parse_option): Parse "-c".
113 (main): Invoke write_tm_constrs_h.
114 * genrecog.c (write_header): Add tm-constrs.h to included headers.
115 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
116 (object_out_file): Add tm-constrs.h dependency.
118 (insn-output.o): Same.
120 (insn-preds.o): Same.
121 (insn-recog.o): Same.
122 (tm-constsr.h): New target.
123 (s-constrs-h): New target.
125 * config/rs6000/constraints.md: New file.
126 * config/rs6000/rs6000.c: Include tm-constrs.h.
127 (num_insn_constant_wide): Convert to satisfies_constraint.
128 (rs6000_rtx_costs): Convert to satisfies_constraint.
129 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
130 (CONST_OK_FOR_LETTER_P): Delete.
131 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
132 (EXTRA_CONSTRAINT): Delete.
133 (EXTRA_MEMORY_CONSTRAINT): Delete.
134 (EXTRA_ADDRESS_CONSTRAINT): Delete.
135 * config/rs6000/predicates.md: Convert to satisfies_constraint.
136 * config/rs6000/rs6000.md: Include constraints.md. Convert to
137 satisfies_constraint.
139 * config/i386/i386.c: Include tm-constrs.h.
141 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
143 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
144 * tree-data-ref.c (find_data_references_in_loop,
145 compute_data_dependences_for_loop): Use pointers to VEC.
146 (analyze_all_data_dependences): Adjust calls.
147 * tree-data-ref.h (find_data_references_in_loop,
148 compute_data_dependences_for_loop): Adjust declarations.
149 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
150 compute_data_dependences_for_loop.
152 2006-03-29 Paul Brook <paul@codesourcery.com>
154 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
157 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
159 PR tree-optimization/26859
160 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
162 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
163 for the step after fold_convert.
165 2006-03-29 Paul Brook <paul@codesourcery.com>
167 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
168 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
170 2006-03-29 Paul Brook <paul@codesourcery.com>
173 * targhooks.c (default_narrow_bitfield): New fuction.
174 * targhooks.h (default_narrow_bitfield): add prototype.
175 * target.h (gcc_target): Add narrow_volatile_bitfield.
176 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
177 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
178 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
179 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
181 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
183 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
185 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
186 (NR_C_MODES): Add TDmode, DDmode and SDmode.
187 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
188 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
189 (s390_function_arg_float): Allow SDmode and DDmode values to be
190 passed in floating point registers.
191 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
192 check with SCALAR_FLOAT_MODE_P.
193 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
195 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
197 PR tree-optimization/25985
198 * tree-ssa-loop-niter.c (number_of_iterations_le,
199 number_of_iterations_ne): Make comments more precise.
200 (number_of_iterations_cond): Add only_exit argument. Use the
201 fact that signed variables do not overflow only when only_exit
203 (loop_only_exit_p): New.
204 (number_of_iterations_exit): Pass result of loop_only_exit_p to
205 number_of_iterations_cond.
207 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
209 PR tree-optimization/26643
210 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
213 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
215 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
216 (divsi3_i4_int): Likewise.
218 2006-03-28 Roger Sayle <roger@eyesopen.com>
220 * expr.c (emit_group_store): Only create a new pseudo reg if the
221 quantity it needs to hold isn't already a suitable pseudo.
223 2006-03-28 Jeff Law <law@redhat.com>
225 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
226 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
228 2006-03-28 Roger Sayle <roger@eyesopen.com>
230 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
231 the equivalent ~X & Y, and the symmetry related transformations.
232 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
233 ~X & Y, and symmetry related transforms.
235 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
237 Revert my 2006-03-27 patches.
239 2006-03-28 Roger Sayle <roger@eyesopen.com>
241 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
242 ~(T1)X, when T1 and T2 are integer types of the same precision
243 and (T2)X isn't an extension.
245 2006-03-28 Jeff Law <law@redhat.com>
247 PR tree-optimization/26796
248 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
249 need EH edge cleanups rather than purging them immediately.
250 (eliminate_degenerate_phis): Handle queued EH cleanups.
252 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
254 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
257 2006-03-27 Roger Sayle <roger@eyesopen.com>
260 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
261 cast BIT_NOT_EXPR operand to the correct type.
263 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
265 * tree-loop-linear.c: Don't include varray.h.
266 (gather_interchange_stats, try_interchange_loops,
267 linear_transform_loops): Use VEC instead of VARRAY.
268 * lambda-mat.c: Don't include varray.h.
269 * tree-chrec.c: Same.
270 * lambda-trans.c: Same.
271 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
272 VEC instead of VARRAY.
273 * tree-vectorizer.h: Idem.
274 * tree-data-ref.c (dump_data_references,
275 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
276 initialize_data_dependence_relation, finalize_ddr_dependent,
277 compute_all_dependences, find_data_references_in_loop,
278 compute_data_dependences_for_loop, analyze_all_data_dependences,
279 free_dependence_relation, free_dependence_relations,
280 free_data_refs): Idem.
281 * tree-data-ref.h (data_reference_p, subscript_p): New.
282 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
283 VEC instead of VARRAY.
284 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
285 (find_data_references_in_loop, compute_data_dependences_for_loop,
286 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
287 dump_data_dependence_relations, free_dependence_relations,
288 free_data_refs): Adjust declaration.
289 (lambda_transform_legal_p): Move declaration here...
290 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
291 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
292 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
293 vect_analyze_data_refs): Use VEC instead of VARRAY.
294 * lambda.h (lambda_transform_legal_p): ...from here.
295 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
296 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
297 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
298 tree-chrec.o): Don't depend on VARRAY_H.
300 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
302 * rtl.def (Copyright): Update date.
303 (DEPS_LIST): Change type of the second operand to 'int'.
304 * target.h (Copyright): Update date.
305 (struct gcc_target.speculate_insn): Change type of the second parameter
307 * lists.c (Copyright): Update date.
308 (alloc_DEPS_LIST): Change signature. Update reference to the second
309 operand of the DEPS_LIST.
310 (copy_DEPS_LIST_list): Update reference to the second operand of the
312 * rtl.h (Copyright): Update date.
313 (alloc_DEPS_LIST): Update signature.
314 * sched-int.h (Copyright): Update date.
315 (ds_t): Change typedef to 'int'.
316 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
318 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
320 * haifa-sched.c (Copyright): Update date.
321 (try_ready): Change condition to restore non-speculative pattern
323 (process_insn_depend_be_in_spec): Code to keep probability of the
324 speculative dependence non-decreasing.
326 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
328 * regrename.c (replace_oldest_value_addr): Initialize a variable to
329 shut up the compiler.
331 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
333 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
334 to use lib prefix for target.
335 ($(T)libic_invalidate_array_4-200.a): Likewise.
336 ($(T)libic_invalidate_array_4a.a): Likewise.
338 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
339 J"orn Rennecke <joern.rennecke@st.com>
341 * superh.opt: New file.
342 * sh.c (boardtype, osruntime): Remove.
343 * superh.h (SUBTARGET_OPTIONS): Remove.
344 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
346 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
347 arguments with ^ and/or [].
349 * config.gcc (sh-*-*): Add quoting to account for quirk of
351 Replace == with = in enable_incomplete_targets test.
353 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
354 with MASK_LITTLE_ENDIAN.
356 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
357 * config/sh/sh.opt: Added to some comments.
358 * config/sh/superh.h: Removed some chaff.
360 * config/sh/sh.opt: Add m4-[1234]00* options.
361 * config/sh/sh.c (sh_handle_option): Likewise.
362 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
363 (ic_invalidate_array_4-100.o): New rule.
364 ($(T)libic_invalidate_array_4-100.a): Likewise.
365 (ic_invalidate_array_4-200.o): Likewise.
366 ($(T)libic_invalidate_array_4-200.a): Likewise.
367 (ic_invalidate_array_4a.o): Likewise.
368 ($(T)libic_invalidate_array_4a.a): Likewise.
369 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
370 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
372 * config/sh/crt1.asm: Merged in profiling code.
373 * config/sh/superh.h (STARTFILE_SPEC): Override.
374 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
375 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
376 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
378 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
379 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
380 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
382 * sh.opt (mpretend-cmove): New option.
383 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
384 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
385 (movsicc): Add TARGET_PRETEND_CMOVE code.
387 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
389 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
390 s390_class_max_nregs): New function prototypes.
391 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
392 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
393 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
394 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
396 2006-03-26 Geoffrey Keating <geoffk@apple.com>
398 * dwarf2out.c (add_location_or_const_value_attribute): Call
399 tree_add_const_value_attribute if nothing else works.
400 (reference_to_unused): New.
401 (rtl_for_decl_init): Use reference_to_unused to decide whether
402 to output an initializer.
404 2006-03-27 Alan Modra <amodra@bigpond.net.au>
407 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
408 peephole removing spe frob_di_df_2.
410 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
412 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
413 (subscript_dependence_tester_1): Declared.
414 (print_dir_vectors, print_dist_vectors): New.
415 (debug_data_dependence_relation): New.
416 (dump_data_dependence_relation): Print more details.
417 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
418 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
419 (save_dist_v, save_dir_v, add_outer_distances,
420 build_classic_dist_vector_1): New.
421 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
422 Don't test for lambda_vector_lexico_pos.
423 (same_access_functions, add_multivariate_self_dist,
424 add_other_self_distances, dir_from_dist): New.
425 (build_classic_dir_vector): Replace implementation almost identical to
426 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
428 (subscript_dependence_tester_1): New.
429 (subscript_dependence_tester): Handle the lexicographically negative
430 distance vectors by recomputing the dependence relation.
431 (compute_affine_dependence): Remove parameter loop_nest_depth.
432 (compute_self_dependence): Don't call compute_subscript_distance.
433 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
434 Add a parameter for the loop_nest.
435 (find_loop_nest_1, find_loop_nest): New.
436 (compute_data_dependences_for_loop): Compute the loop nest, and give
437 up if the nest is not well formed.
438 * tree-data-ref.h (loop_p): New.
439 (struct data_dependence_relation): Replace size_vect field with
440 loop_nest, a vec of loops.
441 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
442 (DDR_LOOP_NEST): New.
443 (print_dir_vectors, print_dist_vectors,
444 debug_data_dependence_relation): Declared.
445 (index_in_loop_nest): New.
446 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
447 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
450 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
452 * simplify-rtx.c (simplify_relational_operation): Call
453 simplify_relational_operation_1 even if mode is VOIDmode.
455 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
457 PR tree-optimization/26804
458 * tree.h (DECL_CALL_CLOBBERED): New macro.
459 (tree_decl_common): Add call_clobbered_flag.
460 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
461 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
462 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
463 (mark_non_addressable): Ditto.
464 * tree-ssa.c (verify_call_clobbered): New function.
465 (verify_alias_info): Use it.
466 * tree-pass.h (pass_reset_cc_flags): New prototype.
467 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
468 (reset_cc_flags): New function.
469 * passes.c (init_optimization_passes): Call reset_cc_flags after
470 initializing referenced_vars.
472 2006-03-25 Uros Bizjak <uros@kss-loka.si>
473 Roger Sayle <roger@eyesopen.com>
476 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
477 to 1.0 for non-real operands. Implement A / A optimization for
480 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
482 * config/i386/i386.c (size_cost): Correct the comment for
483 cost of storing fp registers.
484 (i386_cost): Likewise.
485 (i486_cost): Likewise.
486 (pentium_cost): Likewise.
487 (pentiumpro_cost): Likewise.
489 (athlon_cost): Likewise.
491 (pentium4_cost): Likewise.
492 (nocona_cost): Likewise.
493 (generic64_cost): Likewise.
494 (generic32_cost): Likewise.
496 2006-03-24 Denis Chertykov <denisc@overta.ru>
498 * config/avr/avr-protos.h (extra_constraint): Delete.
499 (extra_constraint_Q): New declaration.
500 * config/avr/constraints.md: New file.
501 * config/avr/avr.md: Include it.
502 (REG_X, REG_Y, REG_Z, REG_W): New constants.
503 (TMP_REGNO, ZERO_REGNO): Likewise.
504 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
505 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
506 (extra_constraint): Delete.
507 (extra_constraint_Q): Test for memory constraint 'Q'.
508 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
509 (REG_CLASS_FROM_LETTER): Delete.
510 (CONST_OK_FOR_LETTER_P): Delete.
511 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
512 (EXTRA_CONSTRAINT): Delete.
514 (ZERO_REGNO): Delete.
516 2006-03-24 Jeff Law <law@redhat.com>
518 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
519 directly. Call mark_new_vars_to_rename slightly earlier.
521 2006-03-24 Geoffrey Keating <geoffk@apple.com>
523 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
525 (gen_compile_unit_die): Use new language types for Objective-C and
527 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
531 * config/t-darwin (crt3.o): Work around bug 26840.
532 * config/darwin-crt3.c: Rewrite.
533 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
535 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
537 * doc/invoke.texi: Document -femit-class-debug-always
538 * common.opt: Add -femit-class-debug-always.
540 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
542 * config/s390/s390.c (s390_decompose_address): Allow SImode for
543 index and base register.
544 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
545 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
546 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
547 REGNO_OK_FOR_INDEX_P.
548 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
550 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
551 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
552 REG_OK_FOR_BASE_P): Definitions removed.
554 2006-03-24 Jakub Jelinek <jakub@redhat.com>
557 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
558 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
559 set yet or weren't marked as local yet.
561 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
563 * regrename.c (scan_rtx_address): Initialize a variable to shut up
566 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
568 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
569 (rs6000_legitimate_small_data_p): Delete.
570 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
571 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
572 and make static. Add forward declaration. Update uses.
573 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
574 of offsettable_memref_p.
575 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
576 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
578 2006-03-24 Jeff Law <law@redhat.com>
580 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
581 around bug in immediate-use iterator.
583 2006-03-24 Alan Modra <amodra@bigpond.net.au>
586 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
587 or __LITTLE_ENDIAN__.
589 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
591 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
592 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
593 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
594 * config/sh/sh.opt (mdiv=): Amend description.
595 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
596 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
597 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
598 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
599 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
600 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
601 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
602 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
603 TARGET_DIVIDE_CALL_FP.
605 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
607 * haifa-sched.c (choose_ready): Fix type of the local variable.
608 Move local variables. Add comment.
609 (check_reg_live): Change signature. Make callable from debugger.
610 * sched-int.h (check_reg_live): Update signature.
611 * sched-ebb.c (check_reg_live): Update parameters.
612 * sched-rgn.c (check_reg_live): Ditto.
613 (region_head_or_leaf_p): Check pointer before dereferencing.
614 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
615 before reload on optimization levels below 1.
617 2006-03-23 Richard Henderson <rth@redhat.com>
619 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
623 * config/alpha/predicates.md (local_symbolic_operand): Reject
626 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
629 * tree-ssa-pre.c (create_value_expr_from): Don't reject
630 expressions which have overflowed constants.
632 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
634 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
636 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
638 * cfgloopmanip.c (create_loop_notes): Removed.
639 * final.c (final_scan_insn): Do not handle loop notes.
640 * jump.c (squeeze_notes): Ditto.
641 * cfglayout.c (skip_insns_after_block,
642 duplicate_insn_chain): Ditto.
643 * cfgcleanup.c (rest_of_handle_jump2): Do not call
645 * cfgloop.h (create_loop_notes): Declaration removed.
647 2006-03-23 Richard Sandiford <richard@codesourcery.com>
649 * varasm.c (output_constant_pool): Restore fnname and fndecl
651 (assemble_start_function): Adjust call accordingly.
652 (assemble_end_function): Likewise.
654 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
657 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
660 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
662 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
665 * system.h (ICE_EXIT_CODE): New macro.
666 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
667 (diagnostic_action_after_output): Likewise.
668 * gcc.c (fatal_ice): New function.
669 (execute): Use it instead of fatal.
670 (fancy_abort): Likewise.
671 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
673 2006-03-22 Jeff Law <law@redhat.com>
675 * loop-unroll.c (analyze_iv_to_split_insn): Handle
676 iv_analyze_result returning false.
678 2006-03-22 Jie Zhang <jie.zhang@analog.com>
680 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
682 2006-03-22 Richard Henderson <rth@redhat.com>
685 * except.c (duplicate_eh_regions_0): New.
686 (duplicate_eh_region_1): Duplicate the children of the node as
687 well as the node itself. Link them up properly.
688 (duplicate_eh_region_2): Merge into ...
689 (duplicate_eh_regions): ... here. Take copy_region argument, and
690 copy only a sub-tree if asked. Simplify copying and fixup.
691 (eh_region_outer_p): New.
692 * except.h (duplicate_eh_regions): Update decl.
693 (eh_region_outer_p): Declare.
694 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
695 (lower_omp_master): Likewise.
696 (lower_omp_ordered): Likewise.
697 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
698 (move_stmt_r): Use it to remap labels. Handle recursion vs
699 remap_decls_p properly.
700 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
701 (find_outermost_region_in_block): New.
702 (new_label_mapper): New.
703 (move_sese_region_to_fn): Copy eh information to the new function
705 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
707 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
710 2006-03-22 Richard Sandiford <richard@codesourcery.com>
712 * doc/md.texi (-mshared): Mention that -mshared code can be linked
713 into shared libraries.
715 2006-03-22 Richard Sandiford <richard@codesourcery.com>
717 * doc/md.texi: Refer to i386/constraints.md instead of
719 * config/i386/constraints.md: New file, extracted from...
720 * config/i386/predicates.md: ...here.
721 * config/i386/i386.md: Include constraints.md.
723 2006-03-21 Jason Merrill <jason@redhat.com>
725 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
728 * expr.c (init_block_move_fn): Force default visibility.
729 (init_block_clear_fn): Likewise.
730 * builtins.c (expand_builtin_fork_or_exec): Likewise.
731 * targhooks.c (default_external_stack_protect_fail): Likewise.
733 2006-03-21 Richard Sandiford <richard@codesourcery.com>
735 * config/mips/predicates.md (const_call_insn_operand): Allow direct
736 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
737 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
738 Use TARGET_OLDABI instead of !TARGET_NEWABI.
739 (loadgp): Use mips_current_loadgp_style.
740 (loadgp_noshared): New pattern.
741 (sibcall_internal): Use MIPS_CALL.
742 (sibcall_value_internal): Likewise.
743 (sibcall_value_multiple_internal): Likewise.
744 (call_internal): Likewise.
745 (call_value_internal): Likewise.
746 (call_value_multiple_internal): Likewise.
747 (call_split): Use MIPS_CALL and add an 'S' constraint.
748 (call_value_split): Likewise.
749 (call_value_multiple_split): Likewise.
750 * config/mips/mips.opt (-mabicalls): Tweak docstring.
751 (-mshared): New option.
752 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
753 (mips_current_loadgp_style): Declare.
754 * config/mips/mips.c (mips_classify_symbol): Avoid using
755 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
756 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
757 TARGET_ABSOLUTE_ABICALLS.
758 (override_options): Adjust comments. Improve the warning that is
759 issued when -mabicalls and -G are used together.
760 (mips_file_start): Remove comment.
761 (mips_current_loadgp_style): New function.
762 (mips_gnu_local_gp): New variable.
763 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
765 (mips_output_function_prologue): Use mips_current_laodgp_style.
766 (mips_expand_prologue): Call mips_emit_loadgp before emitting
767 the cprestore instruction.
768 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
769 live for TARGET_ABSOLUTE_ABICALLS.
770 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
771 (ASM_SPEC): Pass down -mshared and -mno-shared.
772 (MIPS_CALL): New macro.
773 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
775 * doc/invoke.texi (-mabicalls): Update documentation.
776 (-mshared): Document.
778 2006-03-21 Steve Ellcey <sje@cup.hp.com>
780 * config/ia64/unwind-hpux.c: New file.
781 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
783 2006-03-21 Steve Ellcey <sje@cup.hp.com>
786 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
788 2006-03-21 Jeff Law <law@redhat.com>
790 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
791 type conversions of a VR_VARYING source to a wider type.
793 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
795 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
796 tm_file on Solaris 10 and later.
797 (sparc64-*-solaris2*): Likewise.
798 (sparc-*-solaris2*): Likewise.
799 * config/sol26.h: Rename to config/sol2-6.h.
800 * config/sol2-10.h: New file.
802 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
805 * tree-ssa-pre.c (create_component_ref_by_pieces):
808 2006-03-21 Jakub Jelinek <jakub@redhat.com>
811 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
812 return it immediately.
814 2006-03-21 Michael Matz <matz@suse.de>
816 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
818 (remove_arc, add_arc): Update num_out_arcs member.
819 (set_out_arc_insns_equiv_num): Returns nothing instead of number
821 (cache_presence): New function.
822 (compare_states_for_equiv): New function.
823 (state_is_differed): Don't take number of outargs, adjust callers.
824 Use new invariant for speeding up.
825 (init_equiv_class): Create initial classes based on sorted
827 (partition_equiv_class): Don't track out_arcs_num.
828 (evaluate_equiv_classes): Call cache_presence on all states and
831 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
833 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
834 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
835 (bfin_valid_reg_p): Test for pseudos explicitly and use only
836 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
838 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
839 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
840 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
841 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
842 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
844 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
845 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
846 (REGNO_REG_CLASS): ARGP is in PREGS.
847 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
849 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
850 to deal with those addresses.
851 * addresses.h: New file.
852 * caller-save.c: Include "addresses.h".
853 (init_caller_save): Use new base_reg_class function.
854 * rtl-factoring.c: Include "addresses.h".
855 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
856 * recog.c: Include "addresses.h".
857 (preprocess_constraints): Use new base_reg_class function.
858 * regrename.c: Include "addresses.h".
859 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
860 functions. Keep track of a new var INDEX_CODE to compute valid
862 (replace_oldest_value_addr): Likewise.
863 (replace_oldest_value_mem): Use base_reg_class.
864 * reload.c: Include "addresses.h".
865 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
866 (find_reloads): Use new base_reg_class function.
867 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
868 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
869 all callers and prototype changed.
870 * reload1.c: Include "addresses.h".
871 (maybe_fix_stack_asms): Use base_reg_class.
872 * regclass.c: Include "addresses.h".
873 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
874 (init_reg_autoinc): Use new base_reg_class function.
875 (record_reg_classes): Likewise.
876 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
877 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
878 Use new args to compute necessary class.
880 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
881 regrename.o, rtl-factoring.o): Update dependencies.
882 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
883 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
884 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
885 REG_OK_FOR_INDEX_P): Delete documentation.
887 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
889 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
890 from V7 to V9 for Solaris 7 and above.
892 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
894 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
895 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
896 argument pointers may not alias any other storage.
897 * common.opt: Define option -fargument-noalias-anything.
898 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
899 alias semantics is specified by flag_argument_noalias > 2.
901 2006-03-20 Jeff Law <law@redhat.com>
903 * tree-pass.h (pass_phi_only_copy_prop): Delete.
904 (pass_phi_only_cprop): Declare.
905 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
907 * tree-ssa-dom.c (degenerate_phi_result): New function.
908 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
909 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
910 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
911 (eliminate_degenerate_phis): Likewise.
912 (pass_phi_only_cprop): New pass descriptor.
913 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
914 support code. Callers updated.
915 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
916 (store_copy_prop): Likewise.
917 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
919 2006-03-20 Jason Merrill <jason@redhat.com>
922 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
923 (push_visibility, pop_visibility): Likewise.
924 * c-pragma.h: Declare them.
926 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
928 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
930 * config/sh/sh.c (find_regmode_weight): Change the type of the first
931 parameter and use get_ebb_head_tail.
932 (sh_md_init_global): Adjust uses of find_regmode_weight.
934 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
936 * function.h (struct function) <x_tail_recursion_reentry>:
937 Rename to x_stack_check_probe_note.
938 (tail_recursion_reentry): Rename to stack_check_probe_note.
939 * function.c: Replace tail_recursion_reentry with
940 stack_check_probe_note everywhere.
941 (expand_function_start): Only emit a note for
942 stack_check_probe_note with -fstack-protect.
943 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
945 * emit-rtl.c (remove_unnecessary_notes): Remove.
946 (pass_remove_unnecessary_notes): Remove.
947 * rtl.h (remove_unnecessary_notes): Remove prototype.
948 * final.c (final_start_function): Don't call remove_unnecessary_notes.
949 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
950 * passes.c (pass_remove_unnecessary_notes): Don't run it.
952 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
955 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
956 (valid_in_set): Handle ARRAY_REF.
957 Change "if min_variant or VH" to asserts.
958 (create_component_ref_by_pieces): Handle ARRAY_REF.
959 (create_expression_by_pieces): Likewise.
960 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
962 2006-03-20 David Edelsohn <edelsohn@gnu.org>
964 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
965 is operand of switch, not str[0].
967 2006-03-20 Alan Modra <amodra@bigpond.net.au>
969 * config/rs6000/rs6000.c (rs6000_handle_option): Use
970 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
972 2006-03-19 David Edelsohn <edelsohn@gnu.org>
974 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
975 end of insn_extra_address_constraint declaration.
977 2006-03-19 David Edelsohn <edelsohn@gnu.org>
979 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
980 (no-sum-in-toc): Same.
981 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
983 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
984 NO_FP_IN_TOC for -fPIC instead of mask.
986 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
987 (BOOT_LDFLAGS): Delete.
989 * config/rs6000/t-aix52: Same.
991 * config/rs6000/rs6000.md (store_multiple_power): Delete.
992 (stmsi[345678]_power): New.
994 2006-03-17 Steve Ellcey <sje@cup.hp.com>
996 * config/ia64/ia64.opt: Add empty line to end of file.
998 2006-03-17 Richard Guenther <rguenther@suse.de>
1001 * builtins.c (get_pointer_alignment): For component style references
1002 adjust alignment to the component type alignment. Make sure
1003 to adjust alignment for component access of constants.
1005 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1007 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1010 2006-03-17 Paul Brook <paul@codesourcery.com>
1012 * doc/install.texi: Docuemnt --with-mode.
1013 * config.gcc: Add --with-mode for arm*-*-*.
1014 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1016 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1018 * sh.c (max_labelno_before_reorg): New variable.
1019 (sh_reorg): Initialize it.
1020 (find_barrier): Check max_labelno_before_reorg before using
1021 label_to_alignment. Take length of explicit alignment insns
1022 into account. When seeing a UNSPECV_CONST_END, return it.
1024 * sh.c (fixup_mova): Set mode of affected label to QImode.
1025 (untangle_mova): New function.
1026 (find_barrier): Use it. Check mode of label before decrementing
1028 (sh_reorg): Likewise.
1029 Set mode of all insns back to VOIDmode.
1031 * sh.c (MOVA_LABELREF): New macro.
1032 (mova_p, fixup_mova, sh_reorg): Use it.
1033 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1034 ADDR_DIFF_VEC matches mova.
1036 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1038 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1039 with ATTRIBUTE_UNUSED.
1041 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1043 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1044 pointer, instead of assuming it is possible to derive the
1045 correct args size from a call insn.
1047 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1049 * rtl.h (CONST_INT_P): Define.
1050 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1051 instead of GET_CODE(x) == CONST_INT.
1052 (vax_rtx_costs): Likewise.
1053 (vax_output_int_move): Likewise.
1054 (vax_output_int_add): Likewise.
1055 (legitimate_constant_address_p): Likewise.
1056 (index_term_p): Likewise.
1057 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1058 * config/vax/vax.md (and<mode>3): Likewise.
1059 (ashrsi3): Likewise.
1061 (movstricthi): Likewise.
1062 (movstrictqi): Likewise.
1063 (rotrsi3): Likewise.
1064 (five unnamed insns): Likewise.
1066 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1068 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1069 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1070 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1071 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1072 Pass to ASM_OUTPUT_DWARF_OFFSET.
1073 * dwarf2out.c (debug_frame_section): New.
1074 (output_call_frame_info): Use debug_frame_section. Pass it to
1075 dw2_asm_output_offset.
1076 (output_die): Pass appropriate section to dw2_asm_output_offset.
1077 (output_compilation_unit_header): Likewise.
1078 (output_pubnames): Likewise.
1079 (output_aranges): Likewise.
1080 (enum dw_val_class): Break dw_val_class_lbl_offset into
1081 dw_val_class_lineptr and dw_val_class_macptr.
1082 (add_AT_lbl_offset): Delete.
1083 (add_AT_lineptr): New.
1084 (add_AT_macptr): New.
1085 (AT_lbl): Expect a lineptr or macptr.
1086 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1087 (attr_checksum): Likewise.
1088 (same_dw_val_p): Likewise.
1089 (size_of_die): Likewise.
1090 (value_format): Likewise.
1091 (output_die): Likewise.
1092 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1094 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1095 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1096 * config/darwin-protos.h (darwin_file_start): New.
1097 (darwin_asm_output_dwarf_offset): New.
1098 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1099 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1101 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1102 if not EH section; simplify.
1103 (darwin_file_start): New.
1104 (darwin_asm_output_dwarf_offset): New.
1105 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1107 (DEBUG_INFO_SECTION): Likewise.
1108 (DEBUG_ABBREV_SECTION): Likewise.
1109 (DEBUG_ARANGES_SECTION): Likewise.
1110 (DEBUG_MACINFO_SECTION): Likewise.
1111 (DEBUG_LINE_SECTION): Likewise.
1112 (DEBUG_LOC_SECTION): Likewise.
1113 (DEBUG_PUBNAMES_SECTION): Likewise.
1114 (DEBUG_STR_SECTION): Likewise.
1115 (DEBUG_RANGES_SECTION): Likewise.
1116 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1117 (ASM_OUTPUT_DWARF_OFFSET): New.
1119 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1121 * config.gcc (tm_defines): Always add to previous value rather
1124 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1126 * config/mips/predicates.md (splittable_const_int_operand): New,
1127 split from move_operand.
1128 (splittable_symbolic_operand): New.
1129 (move_operand): Add commentary. Use splittable_const_int_operand.
1130 Inline mips_atomic_symbolic_constant_p.
1131 * config/mips/mips.md: Add combine splitters for handling moves
1132 of splittable_const_int_operands and splittable_symbolic_operands.
1133 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1134 (mips_split_symbol): Declare.
1135 (mips_move_integer): Declare.
1136 * config/mips/mips.c (mips_split_p): Make global.
1137 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1138 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1139 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1140 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1141 (mips_offset_within_object_p): Handle block symbols.
1142 (mips_atomic_symbolic_constant_p): Delete.
1143 (mips_cannot_force_const_mem): Return false for constants that
1144 mips_legitimize_move can handle.
1145 (mips_use_blocks_for_constant_p): New function.
1146 (mips_split_symbol): Make global.
1147 (mips_move_integer): Likewise. Add a temporary register argument.
1148 (mips_legitimize_const_move): Use splittable_const_int_operand and
1149 splittable_symbolic_operand.
1150 (mips_use_anchors_for_symbol_p): New function.
1151 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1152 (mips_split_p): Declare.
1154 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1156 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1157 (mips*-*-linux*): Likewise.
1159 2006-03-16 Roger Sayle <roger@eyesopen.com>
1160 Daniel Speyer <dspeyer@wam.umd.edu>
1163 * tree-dump.c (dump_real): New function.
1164 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1165 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1166 (tree-dump.o): Add $(REAL_H) to the dependencies.
1168 2006-03-16 Roger Sayle <roger@eyesopen.com>
1171 * real.c (real_from_string): If the mantissa is zero, don't bother
1172 parsing the exponent as the result should always be zero.
1174 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1176 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1178 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1180 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1181 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1182 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1183 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1184 ia64_sched_finish_global): New static functions to implement
1185 hooks from gcc_target.sched.
1186 (spec_check_no, max_uid, pending_data_specs): New static variables.
1187 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1188 ia64_spec_check_src_p): New static functions.
1189 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1190 (TARGET_SCHED_ADJUST_COST): Removed.
1191 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1192 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
1193 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1194 TARGET_SCHED_GEN_CHECK,
1195 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1196 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
1197 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
1198 Fixed to handle speculation checks.
1199 (rtx_needs_barrier): Fixed to handle speculative loads and
1201 (ia64_variable_issue): Added code to count speculative loads and their
1203 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
1205 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
1207 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
1209 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
1210 (ia64_reorg): Reset stops_p to NULL after it is freed.
1211 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
1212 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
1213 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
1215 (data_speculative, control_speculative, check_load): New attributes.
1216 (mov<mode>_advanced, mov<mode>_speculative,
1217 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
1218 zero_extend<mode>di2_speculative,
1219 zero_extend<mode>di2_speculative_advanced): New patterns for
1220 data and control speculative loads.
1221 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
1223 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
1224 New pattern for data and control speculation checks.
1225 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
1226 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1227 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1228 Auxiliary definitions for the patterns.
1229 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1230 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
1232 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
1234 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
1235 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
1236 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
1237 New resource constraints.
1238 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
1240 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
1241 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
1242 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1243 msched-in-control-spec, msched-ldc, msched-control-ldc,
1244 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1245 msched-prefer-non-control-spec-insns,
1246 msched-count-spec-in-critical-path): New flags to tune speculative
1248 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
1249 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1250 msched-in-control-spec, msched-ldc, msched-control-ldc,
1251 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1252 msched-prefer-non-control-spec-insns,
1253 msched-count-spec-in-critical-path): Document new flags.
1255 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1257 * target.h (struct spec_info_def): New opaque declaration.
1258 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
1259 speculate_insn, needs_block_p, gen_check,
1260 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
1261 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1262 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
1263 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
1264 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1265 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
1267 (TARGET_SCHED): Use new macros.
1268 * rtl.h (copy_DEPS_LIST_list): New prototype.
1269 * sched-int.h (struct sched_info): Change signature of new_ready field,
1270 adjust all initializations. New fields: add_remove_insn,
1271 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
1272 region_head_or_leaf_p.
1273 (struct spec_info_def): New structure declaration.
1274 (spec_info_t): New typedef.
1275 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1276 recovery_block, orig_pat.
1277 (glat_start, glat_end): New variables declaraions.
1278 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1280 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1281 DETACH_LIFE_INFO, USE_GLAT.
1282 (enum SPEC_SCHED_FLAGS): New enumeration.
1283 (NOTE_NOTE_BB_P): New macro.
1284 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1285 attach_life_info, debug_spec_status, check_reg_live): New functions.
1286 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1287 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1289 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1290 * ddg.c (get_block_head_tail): Adjust all uses.
1291 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1292 (sms_sched_info): Initialize new fields.
1293 (contributes_to_priority): Removed.
1294 * haifa-sched.c (params.h): New include.
1295 (get_block_head_tail): Adjust all uses.
1296 (ISSUE_POINTS): New macro.
1297 (glat_start, glat_end): New global variables.
1298 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1299 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1300 old_last_basic_block, before_recovery, current_sched_info_var,
1301 rgn_n_insns, luid): New static variables.
1302 (insn_cost1): New function. Move logic from insn_cost to here.
1303 (find_insn_reg_weight1): New function. Move logic from
1304 find_insn_reg_weight to here.
1305 (reemit_notes, move_insn, max_issue): Change signature.
1306 (move_insn1): Removed.
1307 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1308 extend_bb): New static functions to support extension of scheduler's
1310 (generate_recovery_code, process_insn_depend_be_in_spec,
1311 begin_speculative_block, add_to_speculative_block,
1312 init_before_recovery, create_recovery_block, create_check_block_twin,
1313 fix_recovery_deps): New static functions to support
1314 generation of recovery code.
1315 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1316 restore_bb_notes, move_block_after_check, move_succs): New static
1317 functions to support ebb scheduling.
1318 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1319 functions to support handling of register live information.
1320 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1321 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1322 add_jump_dependencies): New static functions.
1323 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1324 consistancy checking.
1325 (debug_spec_status): New function to call from debugger.
1326 (priority): Added code to handle speculation checks.
1327 (rank_for_schedule): Added code to distinguish speculative instructions.
1328 (schedule_insn): Added code to handle speculation checks.
1329 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1330 Fixed to handle ebbs.
1331 (move_insn): Added code to handle ebb scheduling.
1332 (max_issue): Added code to use ISSUE_POINTS of instructions.
1333 (choose_ready): Added code to choose between speculative and
1334 non-speculative instructions.
1335 (schedule_block): Added code to handle ebb scheduling and scheduling of
1336 speculative instructions.
1337 (sched_init): Initialize new variables.
1338 (sched_finish): Free new variables. Print statistics.
1339 (try_ready): Added code to handle speculative instructions.
1340 * lists.c (copy_DEPS_LIST_list): New function.
1341 * sched-deps.c (extend_dependency_caches): New function. Move logic
1342 from create_dependency_caches to here.
1343 (get_dep_weak, ds_merge): Make global.
1344 * genattr.c (main): Code to output prototype for
1345 dfa_clear_single_insn_cache.
1346 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
1347 (output_dfa_clean_insn_cache_func): Code to output
1348 dfa_clear_single_insn_cache function.
1349 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
1351 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
1353 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
1354 New static variables.
1355 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
1356 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
1358 (ebb_sched_info): Initialize new fields.
1359 (get_block_head_tail): Adjust all uses.
1360 (compute_jump_reg_dependencies): Fixed to use glat_start.
1361 (schedule_ebb): Code to remove unreachable last block.
1362 (schedule_ebbs): Added code to update register live information.
1363 * sched-rgn.c (region_sched_info): Initialize new fields.
1364 (get_block_head_tail): Adjust all uses.
1365 (last_was_jump): Removed. Adjust users.
1366 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
1367 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
1368 Implement new hooks.
1369 (check_dead_notes1): New static function.
1370 (struct region): New fields: dont_calc_deps, has_real_ebb.
1371 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
1372 (BB_TO_BLOCK): Fixed to handle EBBs.
1373 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
1374 (ebb_head): New static variable.
1375 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
1376 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
1378 (compute_dom_prob_ps): New assertion.
1379 (check_live_1, update_live_1): Fixed to work with glat_start instead of
1380 global_live_at_start.
1381 (init_ready_list): New assertions.
1382 (can_schedule_ready_p): Split update code to begin_schedule_ready.
1383 (new_ready): Add support for BEGIN_CONTROL speculation.
1384 (schedule_insns): Fixed code that updates register live information
1386 (schedule_region): Fixed to handle EBBs.
1387 (init_regions): Use extend_regions and check_dead_notes1.
1388 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
1389 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
1390 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
1391 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1392 TARGET_SCHED_GEN_CHECK,
1393 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1394 TARGET_SCHED_SET_SCHED_FLAGS): Document.
1395 * doc/invoke.texi (max-sched-insn-conflict-delay,
1396 sched-spec-prob-cutoff): Document.
1398 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1400 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
1401 inter_tick, queue_index.
1402 (struct sched_info): Change signature of init_ready_list field.
1403 Adjust all initializations.
1404 (RESOLVED_DEPS): New access macro.
1405 (ready_add): Remove prototype.
1406 (try_ready): Add prototype.
1407 * sched-rgn.c (init_ready_list): Use try_ready.
1408 (schedule_region): Initialize
1409 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
1410 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
1411 (init_ready_list): Use try_ready.
1412 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
1413 * lists.c (remove_list_elem): Remove `static'.
1414 (remove_free_INSN_LIST_elem): New function.
1415 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
1416 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
1417 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
1419 (readyp): New variable.
1420 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
1421 change_queue_index, resolve_dep): New static functions.
1422 (try_ready): New function. Adjust callers in sched-rgn.c and
1423 sched-ebb.c to use it instead of ready_add.
1424 (clock_var): Move at the begining of file.
1425 (rank_for_schedule): Fix typo.
1426 (queue_insn): Add assertion. Handle QUEUE_INDEX.
1427 (ready_lastpos): Enforce assertion.
1428 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
1430 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
1431 (schedule_insn): Rewrite to use try_ready and resolve_dep.
1432 (queue_to_ready): Use free_INSN_LIST_list.
1433 (early_queue_to_ready): Fix typo.
1434 (schedule_block): Init readyp. Move init_ready_list call after the
1435 initialization of clock_var. Fix error in rejecting insn by
1436 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
1437 that previously corrected INSN_TICKs. Add code for handling
1439 (set_priorities): Fix typo.
1440 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
1441 Clarify comment and code that keeps current_sched_info->next_tail
1444 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1446 * sched-rgn.c (extend_rgns): New static function.
1447 (find_rgns): Use it.
1448 (gather_region_statistics, print_region_statistics): New static
1450 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
1451 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1453 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1454 Andrey Belevantsev <abel@ispras.ru>
1456 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
1457 * lists.c (unused_deps_list): New variable.
1458 (free_list): Add assertions to verify the proper distinguishing
1459 between INSN_LISTs and DEPS_LISTs.
1460 (find_list_elem, remove_list_elem, remove_list_node): New static
1462 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
1463 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
1464 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
1465 (alloc_INSN_LIST): Assert that the list we're working on is indeed
1467 (free_INSN_LIST_node): Likewise.
1468 * modulo-sched.c (current_sched_info): Initialize flags field.
1469 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
1470 * rtl.def (DEPS_LIST): Define.
1471 * rtl.h: Declare new functions from lists.c.
1472 * sched-deps.c (spec_dependency_cache): New static variable.
1473 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
1474 (add_dependence): Change return type to void. Move the logic to ...
1475 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
1476 (delete_all_dependences): Add comment about forward_dependency_cache.
1477 Handle spec_dependency_cache. Handle DEPS_LISTs.
1478 (fixup_sched_groups): Clarify the change of priority of output
1479 and anti dependencies.
1480 (sched_analyze_2): Adjust add_dependence calls to create data
1481 speculative dependence.
1482 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
1483 Adjust all callers. Handle DEPS_LISTS.
1484 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
1485 presence of speculation.
1486 (init_dependency_caches, free_dependency_caches):
1487 Handle spec_dependency_cache.
1488 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
1489 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
1490 New static functions.
1491 (add_or_update_back_dep, add_or_update_back_forw_dep,
1492 add_back_forw_dep, delete_back_forw_dep): New functions.
1493 * sched-int.h (ds_t, dw_t): New typedefs.
1494 (struct sched_info): Add new field flags.
1495 (struct haifa_insn_data): Add new bitfield has_internal_dep.
1496 Prototype new sched-deps.c functions.
1497 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
1498 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
1499 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
1500 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
1501 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
1502 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
1504 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
1506 * sched-rgn.c (current_sched_info): Initialize flags field.
1507 (schedule_insns): Initialize current_sched_info before the sched_init
1509 * sched-ebb.c (current_sched_info): Initialize flags field.
1510 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
1511 Call add_or_update_back_dep instead of add_dependence.
1512 Create control speculative dependencies.
1513 (schedule_insns): Initialize current_sched_info before the sched_init
1516 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
1518 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
1520 (sh_fallback_frame_state): Likewise.
1522 2006-03-15 Geoffrey Keating <geoffk@apple.com>
1524 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
1525 Do switch on default_use_cxa_atexit.
1526 (powerpc*-*-darwin*): Build crt2.o on powerpc.
1527 * config/darwin-crt3.o: New.
1528 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
1529 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
1530 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
1532 * config/rs6000/t-darwin: Move crt2.o building to here.
1533 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
1534 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
1537 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1539 * config/vax/vax.c (nonindexed_address_p): Change logical negation
1540 from '! xxx' to '!xxx' for coding-style conformance.
1541 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
1542 (EXTRA_CONSTRAINT): Likewise.
1543 * config/vax/vax.md (four unnamed insns): Likewise.
1545 2006-03-15 Paul Brook <paul@codesourcery.com>
1547 * config/arm/arm.c (minipool_pad): New.
1548 (add_minipool_forward_ref): Include pool alignment padding in address
1550 (push_minipool_fix): Set minipool_pad.
1551 (minipool_pad): Ditto.
1553 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1555 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
1556 instead of GET_CODE() == MEM and REG_P() instead of
1558 (print_operand_address): Likewise.
1559 (vax_address_cost): Likewise.
1560 (vax_rtx_costs): Likewise.
1561 (vax_notice_update_cc): Likewise.
1562 (vax_output_int_add): Likewise.
1563 (INDEX_REGISTER_P): Likewise.
1564 (BASE_REGISTER_P): Likewise.
1565 (nonindexed_address_p): Likewise.
1566 (vax_mode_dependent_address_p): Likewise.
1567 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
1568 (PRINT_OPERAND): Likewise.
1569 * config/vax/vax.md (ashlsi3): Likewise.
1570 (ashlsi3): Likewise.
1571 (some more unnamed insns): Likewise.
1573 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
1575 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
1576 iterator-style macro.
1577 (mark_control_dependent_edges_necessary): Update the use of
1578 EXECUTE_IF_CONTROL_DEPENDENT.
1580 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
1582 * config/sh/predicates.md (cache_address_operand): Special.
1583 (ua_address_operand): Likewise.
1585 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
1587 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
1589 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
1591 2006-03-15 Andreas Schwab <schwab@suse.de>
1593 * gensupport.c (identify_predicable_attribute): Don't free p_false
1594 when it is still in use.
1596 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1598 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
1599 the default setting here.
1601 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
1603 * tree-pass.h (pass_cfg): Remove.
1604 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
1605 * passes.c (pass_cfg): Don't run it.
1607 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
1609 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
1610 * reg-stack.c (stack_regs_mentioned_data): Change the type to
1612 (stack_regs_mentioned): Update the uses of
1613 stack_regs_mentioned_data. Don't access the array beyond its
1615 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
1616 Don't include gt-reg-stack.h.
1618 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
1619 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
1621 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
1624 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
1627 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1629 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
1631 2006-03-14 Richard Guenther <rguenther@suse.de>
1633 PR tree-optimization/26672
1634 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
1637 2006-03-14 Richard Guenther <rguenther@suse.de>
1639 PR tree-optimization/26667
1640 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
1641 node for the callees. Always allow inlining if it will shrink
1644 2006-03-14 Richard Guenther <rguenther@suse.de>
1647 * builtins.c (get_pointer_alignment): Prefer alignment
1648 information from decls over that from types.
1650 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
1653 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
1655 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
1657 * config/rs6000/rs6000.opt (mdlmzb): New option.
1658 (msched-prolog, msched-epilog): Use Var not Mask.
1659 * doc/invoke.texi (-mdlmzb): Document.
1660 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1662 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
1663 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
1665 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
1667 PR rtl-optimization/25739
1668 * bt-load.c (augment_live_range): Free tos pointer.
1670 * gensupport.c (identify_predicable_attribute): Free
1672 * gcov.c (create_file_names): Free name pointer.
1674 2006-03-13 Roger Sayle <roger@eyesopen.com>
1677 * stmt.c (emit_case_nodes): Handle the case where the index is a
1678 CONST_INT, where the comparison mode is specified by the index type.
1680 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1682 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
1685 2006-03-13 Richard Sandiford <richard@codesourcery.com>
1687 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
1688 (*branch_fp_inverted): Likewise.
1690 2006-03-13 Jakub Jelinek <jakub@redhat.com>
1693 * omp-low.c (expand_omp_for_generic): Mark istart0
1694 and iend0 as addressable.
1696 2006-03-13 Jie Zhang <jie.zhang@analog.com>
1698 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
1700 2006-03-13 Jeff Law <law@redhat.com>
1702 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
1703 virtual operands are interesting.
1704 (vrp_visit_stmt): Corresponding changes.
1706 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
1708 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
1710 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
1711 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
1712 * config/bfin/crti.S: Use it instead of __PIC__.
1713 * config/bfin/crtn.S: Likewise.
1715 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
1716 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
1718 Lose 'G' modifier for call operand.
1719 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
1720 recognize 'G' modifier.
1722 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
1725 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
1726 * stmt.c (expand_case): Likewise.
1728 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1730 PR rtl-optimization/26254
1731 * loop-invariant.c (seq_insns_valid_p): New function.
1732 (move_invariant_reg): Only emit new code if it is valid.
1734 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1736 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
1738 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
1739 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
1740 (commit_one_edge_insertion): Do not look for loop notes.
1742 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1744 * jump.c (follow_jumps): Do not check for loop notes. Move check for
1745 flag_test_coverage out of loop.
1747 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1749 * final.c (shorten_branches): Remove outdated comment, and turn
1750 the if branch that guards it to continue.
1752 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1754 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
1755 * cfgloop.h (struct loop): Remove unused fields.
1757 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
1759 * doc/invoke.texi (-fdump-rtl-loop): Remove.
1760 (-dL, -fdump-rtl-loop2): Update the dump file names
1762 * doc/invoke.texi: Update dump file names.
1764 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
1766 * predict.c (estimate_probability): Remove.
1767 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
1768 * basic-block.h (estimate_probability): Remove prototype.
1769 * passes.c (finish_optimization_passes): Dump branch prediction or
1770 profiling heuristics to the .profile tree dump.
1771 (init_optimization_passes): Unqueue pass_branch_prob.
1773 * doc/invoke.texi (-fdump-rtl-bp): Remove.
1775 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1777 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
1778 * rtl.h (LABEL_NEXTREF): Remove field accessor.
1780 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
1782 * function.h (frame_offset_overflow): Declare.
1783 * function.c (frame_offset_overflow): New function.
1784 (assign_stack_local_1): Call it to detect that the offset overflows.
1785 * cfgexpand.c (alloc_stack_frame_space): Likewise.
1787 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1789 * config/sh/sh.c: Include alloc-pool.h.
1790 (label_ref_list_pool): New alloc pool.
1791 (label_ref_list_t): New type for lists of labels.
1792 (struct pool_node): Make wend a label_ref_list_t.
1793 (add_constant): Use the new type, eradicate LABEL_NEXTREF
1795 (dump_table): Likewise.
1796 (sh_reorg): Set up the alloc pool before using add_constant and
1797 dump_table, and destroy it when finishing.
1799 2006-03-11 Richard Sandiford <richard@codesourcery.com>
1801 * config/mips/mips.c: Remove redundant comment.
1803 2006-03-10 Jason Merrill <jason@redhat.com>
1806 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
1807 the target was declared 'register'.
1809 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
1811 * genpreds.c (write_insn_constraint_len): Change definition of
1812 insn_constraint_len to return size_t to match the declaration.
1814 2006-03-10 DJ Delorie <dj@redhat.com>
1816 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
1818 (m32c_expand_insv): Fix test for an AND mask.
1820 2006-03-10 Richard Guenther <rguenther@suse.de>
1823 * builtins.c (get_pointer_alignment): Handle component
1824 references for field alignment.
1826 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1828 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
1829 when building with libgloss.
1830 (sh*elf): Implement --without-fp option.
1831 (sh64-superh-linux*): Don't multilib.
1833 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1835 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
1837 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
1839 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
1840 Set it when one of the replacement functions returned true.
1841 Return TODO_cleanup_cfg if cfgchanged is true.
1842 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
1844 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
1846 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
1847 instead of gen_lowpart.
1849 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1851 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
1853 (mips_output_order_conditional_branch): Declare.
1854 * config/mips/mips.h (MIPS_BRANCH): New macro.
1855 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
1856 for the comparison. Use gen_condjump.
1857 (mips_output_conditional_branch): Rework interface to take the
1858 asm templates for a direct branch and the inverse of a direct branch.
1859 (mips_output_order_conditional_branch): New function.
1860 (mips_builtin_branch_and_move): New function.
1861 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
1862 branch condition. Use gen_single_cc as the condition for
1863 __builtin_mips_upper_* or __builtin_mips_lower_*.
1864 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
1865 Use VOIDmode for the branch condition.
1866 * config/mips/predicates.md (order_operator): New predicate.
1867 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
1868 (branch_fp): Rename to...
1869 (*branch_fp): ...this. Remove mode from comparison operator.
1870 Use new mips_output_conditional_branch interface.
1871 (branch_fp_inverted): Rename to...
1872 (*branch_fp_inverted): ...this and update as for *branch_fp.
1873 (*branch_zero<mode>): Rename to...
1874 (*branch_order<mode>): ...this. Remove mode from comparison operator.
1875 Use mips_output_order_conditional_branch. Only accept ordered
1877 (*branch_zero<mode>_inverted): Rename to...
1878 (*branch_order<mode>_inverted): ...this and update as for
1879 *branch_order<mode>.
1880 (*branch_equality<mode>): Accept zero as the second operand to
1881 the equality operator. Use the new mips_output_conditional_branch
1883 (*branch_equality<mode>_inverted): Likewise.
1884 (condjump): New expander.
1885 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
1887 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
1888 (bc1any2t, bc1any2f): Likewise.
1889 (single_cc): New expander.
1890 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
1892 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1894 * doc/md.texi: Update documentation of MIPS constraints.
1895 * config/mips/constraints.md: New file.
1896 * config/mips/mips.md: Include it.
1897 * config/mips/mips.c (mips_char_to_class): Delete.
1898 (override_options): Don't initialize mips_char_to_class.
1899 * config/mips/mips.h (mips_char_to_class): Delete.
1900 (REG_CLASS_FROM_LETTER): Delete.
1901 (CONST_OK_FOR_LETTER_P): Delete.
1902 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1903 (EXTRA_CONSTRAINT_Y): Delete.
1904 (EXTRA_CONSTRAINT_STR): Delete.
1905 (CONSTRAINT_LEN): Delete.
1906 (EXTRA_MEMORY_CONSTRAINT): Delete.
1908 2006-03-09 Diego Novillo <dnovillo@redhat.com>
1910 * tree-cfg.c (move_block_to_fn): Remove the statements from the
1911 original fn's eh regions.
1913 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
1915 * fold-const.c (build_range_check): Make sure to use a valid type to
1916 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
1919 (range_predecessor): New static function.
1920 (range_successor): Likewise.
1921 (merge_ranges): Use them to compute predecessors and successors of
1924 2006-03-09 Roger Sayle <roger@eyesopen.com>
1927 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
1928 X op C3, consider whether C3 overflows towards +Inf or -Inf.
1930 2006-03-08 DJ Delorie <dj@redhat.com>
1932 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
1933 (addpsi3): Expand to include memory operands. Remove
1934 reload-specific splits.
1935 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
1936 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
1937 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
1938 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
1939 (shift1_qi, shift1_hi, insv): New.
1940 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
1941 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
1942 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
1944 * config/m32c/m32c-protos.h: Update as needed.
1945 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
1946 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
1947 Fail for unrecognized R* constraints.
1948 (m32c_cannot_change_mode_class): Be more picky about pseudos.
1949 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
1950 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
1952 (m32c_init_libfuncs): New.
1953 (m32c_legitimate_address_p): Add debug wrapper.
1954 (m32c_rtx_costs): New.
1955 (m32c_address_cost): New.
1956 (conversions): Add 'B' prefix.
1957 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
1958 operands, or word regnames for QI operands. 'B' prints bit
1960 (m32c_expand_setmemhi): New.
1961 (m32c_expand_movmemhi): New.
1962 (m32c_expand_movstr): New.
1963 (m32c_expand_cmpstr): New.
1964 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
1965 (m32c_expand_neg_mulpsi3): Handle non-ints.
1966 (m32c_cmp_flg_0): New.
1967 (m32c_expand_movcc): New.
1968 (m32c_expand_insv): New.
1969 (m32c_scc_pattern): New.
1970 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
1971 a0/a1 out of SIregs.
1972 (STORE_FLAG_VALUE): New.
1973 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
1976 * config/m32c/mov.md: Make constraints more liberal.
1977 (zero_extendqihi2): Optimize r0/r1 case.
1978 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
1979 * config/m32c/predicates.md (m32c_any_operand): New.
1980 (m32c_nonimmediate_operand): New.
1981 (m32c_hl_operand): New.
1982 (m32c_r3_operand): New.
1985 (memsym_operand): New.
1986 (memimmed_operand): New.
1987 (a_qi_operand): New.
1988 (m32c_eqne_operator): New.
1989 (m32c_1bit8_operand): New.
1990 (m32c_1bit16_operand): New.
1991 (m32c_1mask8_operand): New.
1992 (m32c_1mask16_operand): New.
1993 * config/m32c/blkmov.md: New file.
1994 * config/m32c/t-m32c (MD_FILES): Add blkmov.
1996 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
1998 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
1999 unsigned to fix signed/unsigned comparison issue in
2000 DWARF2_FRAME_REG_OUT.
2001 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
2002 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
2004 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2005 of ptr into the ENABLE_CHECKING section.
2007 2006-03-08 Jeff Law <law@redhat.com>
2009 * tree-vrp.c (infer_value_range): Only count pointer uses
2010 and dereferences if -fdelete-null-pointer-checks is enabled.
2012 * tree-vrp.c (find_assert_locations): Infer value ranges for
2013 single use pointers, but do not create ASSERT_EXPRs for them.
2014 When a non-null range is inferred for a pointer, backwards
2015 propagate that range to other equivalent pointers through the
2018 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2021 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2022 language hook targets.
2023 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2024 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2025 if language hook targets were missing.
2027 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2029 * tree-ssa-opfinalize.h: Removed.
2030 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2032 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2033 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2034 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2035 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2036 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2037 finalize_ssa_v_must_def_ops): New.
2039 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2041 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2044 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2046 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2048 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2049 addresses with offsets; reorganize.
2051 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2052 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2053 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2055 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2058 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2060 2006-03-08 Ben Elliston <bje@au.ibm.com>
2062 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2064 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2067 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2070 2006-03-07 Richard Guenther <rguenther@suse.de>
2072 PR tree-optimization/26587
2073 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2075 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2077 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2079 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2081 * hooks.c (hook_bool_mode_rtx_true): New function.
2082 * hooks.h (hook_bool_mode_rtx_true): Declare.
2083 * toplev.c (compile_file): Call output_shared_constant_pool.
2084 * varasm.c (shared_constant_pool): New variable.
2085 (assemble_start_function, assemble_end_function): Remove arguments
2086 from call to output_constant_pool.
2087 (create_constant_pool): New function, split out from...
2088 (init_varasm_status): ...here.
2089 (force_const_mem): Choose between the shared and per-function constant
2090 pools. Set current_function_uses_const_pool when reusing old entries
2091 as well as when creating new ones.
2092 (mark_constant): Ignore data argument.
2093 (mark_constants): Remove pool argument.
2094 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2095 to decide whether the function uses a constant pool.
2096 (output_constant_pool_contents): New function, split out from...
2097 (output_constant_pool): ...here.
2098 (output_shared_constant_pool): New function.
2099 (init_varasm_once): Initialize shared_constant_pool.
2100 * output.h (output_constant_pool): Delete.
2101 (output_shared_constant_pool): Declare.
2102 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2103 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2105 2006-03-06 Nick Clifton <nickc@redhat.com>
2107 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2108 flag_strength_reduce.
2110 2006-03-06 Ben Elliston <bje@au.ibm.com>
2112 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2113 x86_64-*-linux* configurations.
2115 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2116 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2118 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2120 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2122 * basic-block.h: Remove the extern for
2123 rediscover_loops_after_threading.
2125 * cfgloop.c (cancel_loop): Make it static.
2126 * cfgloop.h: Remove the prototype for cancel_loop.
2128 * flow.c (recompute_reg_usage): Make it static.
2129 * rtl.h: Remove the prototype for recompute_reg_usage.
2131 * function.c (use_return_register): Make it static.
2132 * function.h: Remove the prototype.
2134 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2136 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2138 * recog.h: Remove the prototype for
2139 validate_change_maybe_volatile.
2141 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2143 * rtlanal.c (replace_reg): Remove.
2144 * rtl.h: Remove the prototype for replace_reg.
2146 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2148 * regclass.c (reg_scan_update): Remove.
2149 (reg_scan_mark_refs): Remove the last argument.
2150 * rtl.h: Remove the prototype for reg_scan_update.
2152 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2154 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2155 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2156 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2157 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2158 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2159 loop-invariant.c, omp-low.c, opts.c, passes.c,
2160 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2161 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2162 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2163 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2164 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2165 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2167 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2169 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2170 * dwarf2out.h: Remove the prototype for
2171 dwarf2out_add_library_unit_info.
2173 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2175 * tree.c (add_var_to_bind_expr): Remove.
2176 * tree.h: Remove the prototype for add_var_to_bind_expr.
2178 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2180 * regclass.c (n_non_fixed_regs): Remove.
2181 (init_reg_sets_1, globalize_reg): Remove all uses of
2183 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2185 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2187 * rtlanal.c (insns_safe_to_move_p): Remove.
2188 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2190 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2192 * expmed.c (expand_mult_add): Remove.
2193 * expr.h: Remove the prototype for expand_mult_add.
2195 2006-03-04 Jakub Jelinek <jakub@redhat.com>
2197 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
2198 and REG_SAVED_VAL_EXP constants.
2199 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
2200 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2201 Handle regs stored by value.
2202 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
2203 (execute_cfa_program): Handle DW_CFA_val_offset,
2204 DW_CFA_val_offset_sf and DW_CFA_val_expression.
2205 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
2206 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
2207 (uw_install_context_1): Handle target regs stored by value.
2209 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
2211 * tree-sra.c (tree_sra): Return todoflags;
2212 (generate_one_element): Set TODO_update_smt_usage if needed.
2213 (pass_sra): Remove TODO_update_smt_usage.
2214 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
2216 (tree_ssa_forward_propagate_single_use_vars): Return
2217 TODO_update_smt_usage if we need to update SMT usage.
2218 (pass_forwprop): Remove TODO_update_smt_usage.
2220 2006-03-03 Diego Novillo <dnovillo@redhat.com>
2222 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
2223 (correct_use_link): Remove reference to get_stmt_operands.
2224 (update_stmt_operands): Likewise.
2225 (get_modify_expr_operands): New function factored out of
2226 parse_ssa_operands and get_expr_operands.
2227 Try to create V_MUST_DEFs for LHS by default.
2228 (get_expr_operands) <case MODIFY_EXPR>: Call
2229 get_modify_expr_operands.
2230 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
2231 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
2232 (parse_ssa_operands) <case MODIFY_EXPR>: Call
2233 get_modify_expr_operands.
2235 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
2237 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
2238 * tree-flow.h: Remove the prototype for
2239 referenced_var_lookup_if_exists.
2241 2006-03-03 Steve Ellcey <sje@cup.hp.com>
2243 PR rtl-optimization/26345
2245 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2247 2006-03-03 Roger Sayle <roger@eyesopen.com>
2249 PR tree-optimization/26524
2250 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
2251 fold_convert to create a constant of the appropriate type.
2253 2006-03-03 Richard Sandiford <richard@codesourcery.com>
2255 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2256 SYMBOL_REF_IN_BLOCK_P.
2257 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
2258 of SYMBOL_FLAG_IN_BLOCK.
2259 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
2260 instead of SYMBOL_REF_IN_BLOCK_P.
2261 * explow.c (use_anchored_address): Likewise.
2262 * rtl.c (rtx_size): Likewise.
2263 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
2264 instead of SYMBOL_FLAG_IN_BLOCK.
2265 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2266 SYMBOL_REF_IN_BLOCK_P.
2267 (assemble_variable): Likewise.
2268 (output_constant_def_contents): Likewise.
2269 (output_constant_pool): Likewise.
2270 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
2271 instead of SYMBOL_FLAG_IN_BLOCK.
2272 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2273 SYMBOL_REF_IN_BLOCK_P.
2274 (SYMBOL_REF_BLOCK): Likewise.
2275 (SYMBOL_REF_OFFSET): Likewise.
2276 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2277 SYMBOL_REF_IN_BLOCK_P.
2278 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2279 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2280 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2281 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2283 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2285 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2287 2006-03-02 Roger Sayle <roger@eyesopen.com>
2289 * simplify-rtx.c (simplify_unary_operation): When simplifying
2290 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2291 that we perform the right shift in the appropriate mode, and
2292 then extend or truncate the result to requested mode.
2294 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2296 * gengtype.c (main): Handle double_int type.
2297 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2298 * double-int.c: New file.
2299 * double-int.h: New file.
2300 * system.h: Include doubleint.h.
2301 * Makefile.in (SYSTEM_H): Include double-int.h.
2302 (double-int.o): Add.
2304 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2307 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2310 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2312 * tree-vrp.c (remove_range_assertions): Do not update statements
2315 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2317 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2319 * gcse.c (rest_of_handle_gcse): Ditto.
2320 * except.c (gate_handle_eh): Ditto.
2321 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2322 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2324 2006-03-02 Eric Christopher <echristo@apple.com>
2326 * config/i386/i386.c (machopic_output_stub): Add indirection to
2329 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2333 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2335 Sun Niagara specific optimizations.
2336 * config.gcc: Recognize niagara as target.
2337 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
2338 (TARGET_CPU_niagara): Define.
2339 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
2340 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
2341 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2342 (ASM_CPU_SPEC): Likewise.
2343 (PROCESSOR_NIAGARA): New enum entry.
2344 (REGISTER_MOVE_COST): Handle Niagara.
2345 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
2346 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
2347 (sparc_override_options): Recognize "niagara", set appropriate
2348 default MASK_* values for it, and align functions to 32-bytes
2349 by default just like ULTRASPARC/ULTRASPARC3.
2350 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
2351 (sparc64_initialize_trampoline): Likewise.
2352 (sparc_use_sched_lookahead): Use zero for niagara.
2353 (sparc_issue_rate): Use one for niagara.
2354 * config/sparc/niagara.md: New file.
2355 * config/sparc/sparc.md: Include it.
2356 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
2357 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
2358 when default cpu is niagara.
2359 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2360 (ASM_CPU_SPEC): Likewise.
2361 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
2362 when default cpu is niagara.
2363 (ASM_CPU_SPEC): Handle -mcpu=niagara.
2364 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
2365 just like v9/ultrasparc/ultrasparc3.
2366 * doc/invoke.texi: Add documentation for "niagara" and improve
2367 existing documentation for ultrasparc variants.
2369 2006-03-02 Diego Novillo <dnovillo@redhat.com>
2371 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
2373 2006-03-02 Richard Sandiford <richard@codesourcery.com>
2375 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
2376 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
2377 and say that only one is needed.
2378 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
2379 * target.h (have_switchable_bss_sections): New hook.
2380 * explow.c (use_anchored_address): Check that the symbol is in a block.
2381 * varasm.c (tls_comm_section, comm_section, lcomm_section)
2382 (bss_noswitch_section): New variables.
2383 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
2384 (get_noswitch_section): New function.
2385 (get_block_for_section): Allow SECT to be null.
2386 (unlikely_text_section_p): Use SECTION_STYLE.
2387 (bss_initializer_p): New function.
2388 (get_variable_section): Move earlier in file. Take a new argument,
2389 prefer_noswitch_p. Move bss checks from assemble_variable to here.
2390 Return one of the new *_sections in such cases.
2391 (get_block_for_decl): New function, extracting some logic from
2392 use_blocks_for_decl_p.
2393 (change_symbol_section): Remove in favor of...
2394 (change_symbol_block): ...this new function.
2395 (use_blocks_for_decl_p): Remove checks now performed by
2397 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
2398 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
2399 (emit_local, emit_bss, emit_common): ...these new functions.
2400 Return true if the alignment was honored.
2401 (emit_tls_common): New function.
2402 (asm_emit_uninitialised): Delete.
2403 (assemble_variable_noswitch): New function, split out from...
2404 (assemble_variable): ...here. Don't make decisions about common
2405 variables here. Globalize all public decls that go into non-common
2406 sections. Check whether SYMBOL_REF_BLOCK is null.
2407 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
2408 (output_constant_pool): Likewise.
2409 (init_varasm_once): Initialize the new section variables.
2410 (have_global_bss_p): New function.
2411 (categorize_decl_for_section): Use bss_initializer_p.
2412 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
2413 (place_block_symbol): Assert that the symbol must be in a block.
2414 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
2415 (TARGET_INITIALIZER): Include it.
2416 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
2417 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
2418 (SECTION_MACH_DEP): Bump by two.
2419 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
2420 (unnamed_section): Mention SECTION_UNNAMED in comment.
2421 (named_section): Likewise SECTION_NAMED.
2422 (noswitch_section_callback): New type.
2423 (noswitch_section): New structure.
2424 (section): Add a noswitch_section alternative.
2425 (SECTION_STYLE): New macro.
2426 (tls_comm_section, comm_section, lcomm_section): Declare.
2427 (bss_noswitch_section, have_global_bss_p): Declare.
2428 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2429 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2431 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2432 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2435 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
2437 * gcc/tree-vrp.c (execute_vrp): Return value.
2438 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
2439 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
2440 * gcc/tree-complex.c (tree_lower_complex): Ditto.
2441 (tree_lower_complex_O0): Ditto.
2442 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
2443 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
2444 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
2445 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
2446 (execute_tail_calls): Ditto.
2447 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2448 * gcc/tree.h (init_function_for_compilation): Ditto.
2449 * gcc/ipa-cp.c (ipcp_driver): Ditto.
2450 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
2451 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
2452 * gcc/final.c (compute_alignments): Ditto.
2453 (rest_of_handle_final): Ditto.
2454 (rest_of_handle_shorten_branches): Ditto.
2455 (rest_of_clean_state): Ditto.
2456 * gcc/omp-low.c (execute_expand_omp): Ditto.
2457 (execute_lower_omp): Ditto.
2458 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
2459 * gcc/ipa-reference.c (static_execute): Ditto.
2460 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
2461 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
2462 (rest_of_handle_machine_reorg): Ditto.
2463 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
2464 * gcc/flow.c (recompute_reg_usage): Ditto.
2465 (rest_of_handle_remove_death_notes): Ditto.
2466 (rest_of_handle_life): Ditto.
2467 (rest_of_handle_flow2): Ditto.
2468 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
2469 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
2470 (do_ssa_store_ccp): Ditto.
2471 (execute_fold_all_builtins): Ditto.
2472 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
2473 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
2474 * gcc/ipa-pure-const.c (static_execute): Ditto.
2475 * gcc/cse.c (rest_of_handle_cse): Ditto.
2476 (rest_of_handle_cse2): Ditto.
2477 * gcc/web.c (rest_of_handle_web): Ditto.
2478 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
2479 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
2480 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2481 * gcc/tree-nrv.c (tree_nrv): Ditto.
2482 (execute_return_slot_opt): Ditto.
2483 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
2484 (create_structure_vars): Ditto.
2485 * gcc/loop-init.c (rtl_loop_init): Ditto.
2486 (rtl_loop_done): Ditto.
2487 (rtl_move_loop_invariants): Ditto.
2488 (rtl_unswitch): Ditto.
2489 (rtl_unroll_and_peel_loops): Ditto.
2490 (rtl_doloop): Ditto.
2491 * gcc/gimple-low.c (lower_function_body): Ditto.
2492 (mark_used_blocks): Ditto.
2493 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
2494 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
2495 (cgraph_early_inlining): Ditto.
2496 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
2497 * gcc/jump.c (cleanup_barriers): Ditto.
2498 (purge_line_number_notes): Ditto.
2499 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
2500 (rest_of_handle_if_after_reload): Ditto.
2501 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
2502 (tree_ssa_loop_im): Ditto.
2503 (tree_ssa_loop_unswitch): Ditto.
2504 (tree_vectorize): Ditto.
2505 (tree_linear_transform): Ditto.
2506 (tree_ssa_loop_ivcanon): Ditto.
2507 (tree_ssa_empty_loop): Ditto.
2508 (tree_ssa_loop_bounds): Ditto.
2509 (tree_complete_unroll): Ditto.
2510 (tree_ssa_loop_prefetch): Ditto.
2511 (tree_ssa_loop_ivopts): Ditto.
2512 (tree_ssa_loop_done): Ditto.
2513 * gcc/predict.c (tree_estimate_probability): Ditto.
2514 * gcc/recog.c (split_all_insns_noflow): Ditto.
2515 (rest_of_handle_peephole2): Ditto.
2516 (rest_of_handle_split_all_insns): Ditto.
2517 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
2518 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
2519 (rest_of_handle_stack_adjustments): Ditto.
2520 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
2521 * gcc/function.c (instantiate_virtual_regs): Ditto.
2522 (init_function_for_compilation): Ditto.
2523 (rest_of_handle_check_leaf_regs): Ditto.
2524 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
2525 (rest_of_handle_gcse): Ditto.
2526 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
2527 * gcc/alias.c (rest_of_handle_cfg): Ditto.
2528 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
2529 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
2530 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
2531 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
2532 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
2533 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
2534 * gcc/except.c (set_nothrow_function_flags): Ditto.
2535 (convert_to_eh_region_ranges): Ditto.
2536 (rest_of_handle_eh): Ditto.
2537 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
2538 (remove_unnecessary_notes): Ditto.
2539 * gcc/except.h (set_nothrow_function_flags): Ditto.
2540 (convert_to_eh_region_ranges): Ditto.
2541 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
2542 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
2543 * gcc/tree-ssa-pre.c (do_pre): Ditto.
2544 (execute_fre): Ditto.
2545 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
2546 (rest_of_handle_jump2): Ditto.
2547 * gcc/tree-sra.c (tree_sra): Ditto.
2548 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
2549 (execute_mudflap_function_decls): Ditto.
2550 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
2551 (do_store_copy_prop): Ditto.
2552 * gcc/ipa-prop.h (ipcp_driver): Ditto.
2553 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
2554 * gcc/tree-ssa-forwprop.c
2555 (tree_ssa_forward_propagate_single_use_vars): Ditto.
2556 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
2557 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
2558 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
2559 (execute_late_warn_uninitialized): Ditto.
2560 * gcc/rtl.h (cleanup_barriers): Ditto.
2561 (split_all_insns_noflow): Ditto.
2562 (purge_line_number_notes): Ditto.
2563 (unshare_all_rtl): Ditto.
2564 (remove_unnecessary_notes): Ditto.
2565 (recompute_reg_usage): Ditto.
2566 (variable_tracking_main): Ditto.
2567 * gcc/integrate.c (emit_initial_value_sets): Ditto.
2568 * gcc/integrate.h (emit_initial_value_sets): Ditto.
2569 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
2570 (execute_free_cfg_annotations): Ditto.
2571 (execute_fixup_cfg): Ditto.
2572 (execute_cleanup_cfg_pre_ipa): Ditto.
2573 (execute_cleanup_cfg_post_optimizing): Ditto.
2574 (execute_init_datastructures): Ditto.
2575 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
2576 * gcc/combine.c (rest_of_handle_combine): Ditto.
2577 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
2578 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
2579 (rest_of_handle_reorder_blocks): Ditto.
2580 (rest_of_handle_partition_blocks): Ditto.
2581 * gcc/var-tracking.c (variable_tracking_main): Ditto.
2582 * gcc/tree-profile.c (tree_profiling): Ditto.
2583 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
2584 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
2585 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
2586 (rest_of_handle_sched2): Ditto.
2587 * gcc/basic-block.h (free_bb_insn): Ditto.
2588 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
2589 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
2590 (remove_useless_stmts): Ditto.
2591 (split_critical_edges): Ditto.
2592 (execute_warn_function_return): Ditto.
2593 (execute_warn_function_noreturn): Ditto.
2594 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
2595 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
2596 * gcc/passes.c (execute_one_pass): Run additional
2597 todos returned by execute function.
2598 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
2601 2006-03-02 Richard Guenther <rguenther@suse.de>
2603 * tree-ssa-alias.c (find_used_portions): Consider taking
2604 the address as making the variable not write-only.
2606 2006-03-02 Nick Clifton <nickc@redhat.com>
2608 * config.gcc (default_use_cxa_atexit): Extend the description of
2609 this configure variable. Set its default value to "yes" for
2610 Linux, NetBSD and ELF targets on the assumption that they will
2611 use C libraries with the __cxa_atexit function.
2613 2006-03-02 Ben Elliston <bje@au.ibm.com>
2615 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
2616 parameter as unused to suppress a build warning.
2618 2006-03-02 Ben Elliston <bje@au.ibm.com>
2620 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
2623 2006-03-01 Roger Sayle <roger@eyesopen.com>
2626 * gthr-posix.h (__gthrw2): Define to take three parameters, the
2627 declared name, the weak reference name, and the typeof name.
2628 (__gthrw): Avoid expanding the declared name suffix.
2629 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
2631 2006-03-01 Jakub Jelinek <jakub@redhat.com>
2633 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
2635 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
2636 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
2637 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
2638 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
2639 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
2640 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
2641 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
2642 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
2643 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
2644 DW_DS_leading_separate, DW_DS_trailing_separate): New.
2645 (DW_END_default, DW_END_big, DW_END_little): New.
2646 (DW_END_lo_user, DW_END_hi_user): Define.
2647 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
2648 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
2649 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
2652 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2654 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
2656 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
2658 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
2660 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
2662 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
2663 to 'symbol_mem_tag'.
2665 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
2668 2006-03-01 Roger Sayle <roger@eyesopen.com>
2670 * builtins.c (fold_builtin_copysign): Delete unreachable code.
2672 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2675 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
2676 MACHO_DYNAMIC_NO_PIC_P.
2677 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
2679 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2682 * config/darwin-protos.h (darwin_asm_output_anchor):
2684 * config/darwin-sections.def (cstring_section):
2685 Add SECTION_MERGE to the flags.
2686 (literal4_section): Likewise.
2687 (literal8_section): Likewise.
2688 (objc_selector_refs_section): Likewise.
2689 (objc_cls_refs_section): Likewise.
2690 * config/darwin.c (darwin_asm_output_anchor): New
2692 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2694 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
2696 Fix PR tree-optimization/26443
2697 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
2698 to todo and PROP_tmt_usage to properties_destroyed.
2699 * tree-ssa-ccp.c (pass_ccp): Ditto.
2700 (pass_store_ccp): Ditto.
2701 * tree-ssa-dom.c (pass_dominator): Ditto.
2703 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2705 * tree-ssa-operands.c: Cleanup whitespace.
2706 (get_asm_expr_operands): Move before first invocation.
2707 (get_indirect_ref_operands): Likewise.
2708 (get_tmr_operands): Likewise.
2709 (get_call_expr_operands): Likewise.
2710 (append_def): Likewise.
2711 (append_use): Likewise.
2712 (append_v_may_def): Likewise.
2713 (append_v_must_def): Likewise.
2714 (add_call_clobber_ops): Likewise.
2715 (add_call_read_ops): Likewise.
2716 (add_stmt_operand): Likewise.
2717 (add_virtual_operand): Likewise.
2718 (build_ssa_operands): Likewise.
2720 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2725 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2726 with a call expr to ...
2727 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2729 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2731 * tree-vrp.c (extract_range_from_assert): Remove special
2732 handling for types with super-types.
2734 2006-03-01 Ben Elliston <bje@au.ibm.com>
2736 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
2737 and powerpc64-*-linux* configurations.
2738 * config/t-dfprules: New file.
2740 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
2741 Compile dfp-bit.c from the source directory using -DWIDTH and
2742 $DFP_CFLAGS to control the compilation of that file, rather than
2743 generating width-specific versions in the build directory.
2744 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
2745 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
2747 2006-02-28 Zack Weinberg <zackw@panix.com>
2749 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
2752 2006-02-28 Eric Christopher <echristo@apple.com>
2754 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
2755 Set up IN_LIBGCC definition of TARGET_64BIT.
2756 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
2758 2006-02-28 Roger Sayle <roger@eyesopen.com>
2761 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
2762 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
2763 cases via the construction of "expr != 0".
2765 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2767 * alias.c (alias_invariant, alias_invariant_size): Remove.
2768 (record_base_value): Remove.
2769 (memrefs_conflict_p): Don't look at alias_invariant.
2770 (end_alias_analysis): Don't free it.
2771 * alias.h (record_base_value): Remove prototype.
2773 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
2774 Adam Nemet <anemet@caviumnetworks.com>
2776 * rtl.h (truncated_to_mode): Declare it.
2777 (struct rtl_hooks): Add reg_truncated_to_mode hook.
2778 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
2779 (RTL_HOOKS_INITIALIZER): Include it.
2780 * rtlhooks.c (reg_truncated_to_mode_general): New function.
2781 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
2782 reg_truncated_to_mode.
2783 * rtlanal.c (truncated_to_mode): Define it.
2784 * simplify-rtx.c (simplify_unary_operation_1): Use it.
2786 2006-02-28 Jeff Law <law@redhat.com>
2788 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
2789 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
2790 the range allowed by TYPE_PRECISION.
2792 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
2794 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
2796 PR tree-optimization/26419
2797 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
2800 2006-02-27 Zack Weinberg <zackw@panix.com>
2802 * doc/md.texi: Fix typo in previous change.
2804 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
2808 2006-02-27 Zack Weinberg <zackw@panix.com>
2810 * rtl.def (define_constraint, define_register_constraint)
2811 (define_memory_constraint, define_address_constraint): New MD forms.
2812 * gensupport.c (process_rtx): Put define_constraint etc on the
2814 * genpreds.c (process_define_predicate): Adjust comment. Validate
2815 the name, and call validate_exp to validate the expression.
2816 (mark_mode_tests, write_extract_subexp): Can assume correct input.
2817 (write_predicate_expr): Likewise. NAME argument no longer necessary;
2818 all callers changed.
2819 (validate_exp, needs_variable, struct constraint_data)
2820 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
2821 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
2822 (const_dbl_constraints, constraint_max_namelen)
2823 (have_register_constraints, have_memory_constraints)
2824 (have_address_constraints, have_address_constraints)
2825 (have_extra_constraints, have_const_int_constraints)
2826 (have_const_dbl_constraints, mangle, add_constraint)
2827 (process_define_constraint, process_define_register_constraint)
2828 (write_enum_constraint_num, write_lookup_constraint)
2829 (write_insn_constraint_len, write_regclass_for_constraint)
2830 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
2831 (write_insn_extra_memory_constraint)
2832 (write_insn_extra_address_constraint)
2833 (write_satisfies_constraint_fns): New.
2834 (write_tm_preds_h): If we have new-style constraint definitions,
2835 prototype the functions generated from them, and define the
2836 old constraint interface (still used by generic code) in terms of
2838 (write_insn_preds_c): If we have new-style constraint definitions,
2839 generate all relevant functions from those definitions.
2840 (main): Handle define_constraint etc.
2841 * genoutput.c (struct constraint_data, indep_constraints)
2842 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
2843 (mdep_constraint_len): New data structures and functions, defined
2844 #ifdef USE_MD_CONSTRAINTS.
2845 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
2846 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
2847 use new logic to validate operand constraints against constraint
2849 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
2851 * defaults.h: If none of the old-style constraint macros are
2852 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
2853 old-style macros; and poison REG_CLASS_FROM_LETTER,
2854 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
2856 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
2857 * doc/md.texi: Document new constraint-definition mechanism and the
2858 C interface it provides. Remove references to old mechanism
2859 elsewhere in the document.
2860 (Machine Constraints): Use pathnames relative to gcc directory,
2861 i.e. config/ARCH/FILE. Change i386 section to refer to
2862 config/i386/predicates.md; update that section to match docstrings.
2863 * doc/tm.texi: Move all documentation of the old constraint-
2864 definition macros to their own section, clearly mark as obsolete.
2866 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
2867 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
2869 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
2870 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2871 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
2873 (splits and peepholes): Use satisfies_constraint_*.
2874 * config/i386/i386.c (memory_address_length)
2875 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
2877 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2879 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
2880 scalar operation to be put back into the loop.
2882 2006-02-27 Jakub Jelinek <jakub@redhat.com>
2885 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
2886 (extract_cie_info): Handle S flag in augmentation string.
2887 (execute_cfa_program): If context->signal_frame, execute also
2888 fs->pc == context->ra instructions.
2889 (uw_frame_state_for): If context->signal_frame, don't subtract one
2890 from context->ra to find FDE.
2891 (uw_update_context_1): Set context->signal_frame to
2893 (_Unwind_GetIPInfo): New function.
2894 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
2895 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
2897 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
2898 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
2899 * unwind-compat.c (_Unwind_GetIPInfo): New function.
2900 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
2901 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
2902 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
2903 * config/i386/linux-unwind.h (x86_fallback_frame_state,
2904 x86_64_fallback_frame_state): Set fs->signal_frame.
2905 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
2906 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
2907 (frob_update_context): Likewise. Workaround missing S flag in
2908 Linux 2.6.12 - 2.6.16 kernel vDSOs.
2909 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
2910 Remove the psw_addr + 1 hack.
2912 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2914 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
2915 with aggregates here.
2916 (find_func_aliases): Remove code for &<aggregate> from here.
2918 2006-02-26 Roger Sayle <roger@eyesopen.com>
2920 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
2921 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
2922 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
2925 2006-02-26 Roger Sayle <roger@eyesopen.com>
2928 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
2930 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
2932 * opts.c (decode_options): Do not handle flag_strength_reduce.
2933 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
2934 and OPT_fstrength_reduce.
2935 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
2936 flag_prefetch_loop_arrays for being nonzero.
2937 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
2939 (fprefetch-loop-arrays-rtl): Removed.
2940 (flag_prefetch_loop_arrays): Do not specify the value.
2942 * doc/passes.texi: Update documentation of loop optimizer
2944 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
2945 -frerun-loop-opt): Remove.
2947 2006-02-26 Richard Guenther <rguenther@suse.de>
2949 PR tree-optimization/26421
2950 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
2951 in function calls that are ADDR_EXPRs as using the whole structure.
2953 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
2955 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
2956 * tree-pass.h (pass_loop_optimize): Remove.
2957 * passes.c (pass_loop_optimize): Never run it.
2958 * toplev.c (backend_init): Don't call init_loop.
2959 * opts.c (flag_loop_optimize_set): Remove.
2960 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
2961 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
2962 the old RTL loop optimizer when profiling enabled.
2963 * predict.c (tree_estimate_probability): Always strip builtin_expect.
2964 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
2965 pre-headers for the sake of the old RTL loop optimizer.
2966 * Makefile.in: Remove all references to loop.o.
2968 * doc/invoke.texi: Remove all references to -floop-optimize
2969 and -frerun-loop-opt.
2971 2006-02-26 Zack Weinberg <zackw@panix.com>
2973 * doc/md.texi (Machine Constraints): Refer to all files with paths
2974 relative to gcc directory (i.e. config/CPU/file). Add missing
2975 @table @code ... @end table to M32C subsection.
2977 2006-02-26 Roger Sayle <roger@eyesopen.com>
2979 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
2981 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
2983 2006-02-26 Roger Sayle <roger@eyesopen.com>
2984 James A. Morrison <phython@gcc.gnu.org>
2987 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
2988 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
2989 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
2990 signedness of the shift operation.
2992 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
2994 PR tree-optimization/26359
2995 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
2997 2006-02-25 Roger Sayle <roger@eyesopen.com>
2999 * simplify-rtx.c (simplify_relational_operation_1): Simplify
3000 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
3001 as X == 0, and some symmetry related transformations.
3002 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
3004 2006-02-25 Roger Sayle <roger@eyesopen.com>
3007 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3008 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3009 symmetry related transformations. Fold (X^C1) == C2 as
3012 2006-02-25 Juergen Weigert <jw@suse.de>
3013 Richard Guenther <rguenther@suse.de>
3015 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3017 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3019 * combine.c (gen_lowpart_or_truncate): Call
3020 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3022 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3024 * doc/invoke.texi: Move -fopenmp description to "Options for
3026 Remove reference to -lgomp.
3028 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3030 * doc/install.texi: Require GNU tar version 1.14.
3032 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3034 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3035 * doc/invoke.texi (C++ Dialect Options): Document
3036 -fno-use-cxa-get-exception-ptr.
3037 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3038 * configure: Regenerate.
3039 * c.opt (fuse-cxa-get-exception-ptr): New.
3040 * c-opts.c (c_common_handle_option): Handle
3041 OPT_fuse_cxa_get_exception_ptr.
3042 * c-common.c (flag_use_cxa_atexit): Update documentation.
3043 (flag_use_cxa_get_exception_ptr): New.
3044 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3045 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3047 (C_COMMON_OVERRIDE_OPTIONS): New.
3049 2006-02-24 Roger Sayle <roger@eyesopen.com>
3052 * combine.c (try_combine): Explicitly check whether GET_CODE is
3053 a SET or a CLOBBER, instead on checking that it isn't a USE.
3055 2006-02-24 Roger Sayle <roger@eyesopen.com>
3057 * fold-const.c (fold_comparison): New subroutine of fold_binary
3058 containing transformations common to both the equality and
3059 ordering relational operators, factored out of fold_binary.
3060 (fold_binary): Separate out the equality operators (EQ_EXPR
3061 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3062 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3063 transformations common to both.
3064 (fold_div_compare): Fix latent bugs in the previously unreachable
3065 LT_EXPR and GE_EXPR cases.
3067 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3069 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3070 decl libname for clog to __clog on AIX.
3072 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3074 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3077 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3078 output traceback table for thunks. Localise rs6000_stack_info call.
3080 2006-02-23 Roger Sayle <roger@eyesopen.com>
3081 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3083 * gthr-posix.h (__gthrw): Fix typo in comment.
3085 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3087 * doc/cpp.texi (Character sets): Document that we do support
3088 input files to be in any character set.
3090 2006-02-23 Jeff Law <law@redhat.com>
3092 * tree.h (PHI_ARG_NONZERO): Remove.
3093 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3094 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3095 node to the new node.
3097 PR tree-optimization/26425
3098 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3099 min/max, then assume its varying.
3101 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3103 PR rtl-optimization/26316
3104 * rtlanal.c (enum may_trap_p_flags): New.
3105 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3106 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3107 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3108 (may_trap_after_code_motion_p): New function.
3109 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3110 (find_invariant_insn): Use may_trap_after_code_motion_p.
3111 * rtl.h (may_trap_after_code_motion_p): Declare.
3113 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3115 * emit-rtl.c (immed_double_const): Cleanup.
3117 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3119 Fix PR tree-optimization/26376
3120 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3123 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3126 * gimplify.c (omp_add_variable): Guard variable size decl test with
3127 DECL_SIZE (decl) check.
3129 2006-02-23 Richard Guenther <rguenther@suse.de>
3132 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3133 like aggregate types.
3135 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3137 * configure.ac: Add --with{,out}-long-double-128 configure option.
3138 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3139 * configure: Rebuilt.
3140 * config.in: Rebuilt.
3141 * doc/install.texi (Options specification): Document
3142 --with-long-double-128.
3144 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3145 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3146 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3147 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3149 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3151 * config/s390/s390.c (override_options): Handle
3152 TARGET_DEFAULT_LONG_DOUBLE_128.
3154 * config/alpha/alpha.c (override_options): Handle
3155 TARGET_DEFAULT_LONG_DOUBLE_128.
3157 * config/sparc/sparc.c (sparc_override_options): Handle
3158 TARGET_DEFAULT_LONG_DOUBLE_128.
3160 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3162 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3163 (real-install-headers-tar, real-install-headers-cpio)
3164 (real-install-headers-cp): New targets.
3166 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3168 * tree.h (variable_section): Delete.
3169 * varasm.c (variable_section): Delete.
3171 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3173 * install.texi: Add notes on install.texi2html.
3174 (Building in parallel): Do not use footnotes.
3176 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3179 * doc/install.texi (Configuration): Document --disable-libgomp.
3181 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3183 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3185 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3187 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3188 (vec_extractv2df_0_sse): New.
3190 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3192 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
3193 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
3194 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
3195 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
3196 to the result of the expression.
3197 (def_cfa_1): Adjust.
3198 (frame_pointer_cfa_offset): Rename to...
3199 (frame_pointer_fb_offset): ... this. Adjust all uses.
3200 (convert_cfa_to_loc_list): Rename to...
3201 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
3202 Pass it on to build_cfa_loc.
3203 (compute_frame_pointer_to_cfa_displacement): Rename to...
3204 (compute_frame_pointer_to_fb_displacement): ... this. New
3205 offset parameter. Use it in computation.
3206 (gen_subprogram_die): Compute cfa_fb_offset with the new
3207 macro, and use it to compute the fb loc list and the
3210 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
3212 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
3213 replaced with register_operand.
3214 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
3215 non-DREG is expensive.
3216 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
3217 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
3220 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
3222 * doc/install.texi2html: Use set -e.
3224 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3226 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3227 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3228 * doc/invoke.texi (-fshared-data): Delete.
3229 * common.opt (fshared-data): Delete.
3230 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
3231 (assemble_static_space): Remove #if 0 code.
3232 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3233 (ASM_OUTPUT_SHARED_LOCAL): Poison.
3234 * config/cris/cris.h: Remove FIXME.
3236 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
3238 * doc/sourcebuild.texi (Front End Directory): No more double-colon
3241 2006-02-21 Jakub Jelinek <jakub@redhat.com>
3244 * combine.c (simplify_shift_const_1): Disable nested shifts
3245 optimization for vector shifts.
3247 2006-02-20 Roger Sayle <roger@eyesopen.com>
3249 PR tree-optimization/26361
3250 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
3251 of unsigned integer types.
3253 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
3255 * tree-chrec.c (eq_evolutions_p): New.
3256 * tree-chrec.h (eq_evolutions_p): Declared.
3257 * tree-data-ref.c: Fix formatting.
3258 (datadep_stats, dependence_stats): New.
3260 (print_direction_vector): New.
3261 (dump_data_dependence_relation): Use print_direction_vector.
3262 (object_analysis, create_data_ref): Handle COMPONENT_REF.
3263 (compute_subscript_distance): Static.
3264 (initialize_data_dependence_relation): Static. Get the number
3265 of loops surrounding the references from the callers, and initialize
3266 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
3267 base_object_differ_p analyzers.
3268 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
3269 compute_overlap_steps_for_affine_1_2,
3270 analyze_subscript_affine_affine): Count the classified dependences.
3271 Print a message when a test failed.
3272 (can_use_analyze_subscript_affine_affine): New.
3273 (analyze_siv_subscript): Compute the data dependences on symbolic
3274 scevs that verify can_use_analyze_subscript_affine_affine.
3275 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3276 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3277 Handle symbolic scevs.
3278 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3280 (subscript_dependence_tester): Moved...
3281 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3282 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3283 DDR_SIZE_VECT instead of getting it in parameter.
3284 (subscript_dependence_tester): ... here. Take as a parameter
3285 loop_nest_depth. Call build_classic_dist_vector and
3286 build_classic_dir_vector.
3287 (compute_affine_dependence): Update subscript_dependence_tester
3288 parameters. Update datadep_stats counters. Call
3289 compute_subscript_distance.
3290 (compute_self_dependence): Save the dist and dir vectors. Call
3291 compute_subscript_distance.
3292 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3293 (compute_all_dependences): Reorder parameters as they were before
3294 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3295 compute_subscript_distance. Update the use of
3296 compute_affine_dependence and initialize_data_dependence_relation.
3297 (find_data_references_in_loop): Handle COMPONENT_REF.
3298 (compute_data_dependences_for_loop): Initialize dependence_stats.
3299 Don't call build_classic_dist_vector and build_classic_dir_vector.
3300 Update the parameters of initialize_data_dependence_relation and
3301 compute_all_dependences. Print the statistics from datadep_stats.
3302 (analyze_all_data_dependences): Static. Not used until the pass for
3303 checking the data dependences is contributed.
3304 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3305 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3306 (initialize_data_dependence_relation, compute_affine_dependence,
3307 analyze_all_data_dependences, compute_subscript_distance): Removed.
3308 (print_direction_vector): New.
3309 * lambda.h (gcd): ... here.
3310 (lambda_vector_gcd): Moved here from gcd_vector.
3311 * lambda-code.c (gcd, gcd_vector): Removed.
3312 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3313 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3315 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3317 * ipa-type-escape.c: Tidy some comments and white space.
3318 * tree-ssa-operands.c: Likewise.
3320 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3323 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3324 (dump_decl_name): Do not walk the decl tree chains.
3325 * tree-pass.h (TDF_CHAIN): Remove.
3327 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3329 * Makefile.in (C): Remove
3331 (.PHONY): Remove C and PROTO
3333 2006-02-20 Roger Sayle <roger@eyesopen.com>
3336 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
3337 deprecated CHAR_TYPE tree code.
3339 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3341 * configure.ac (target_list): Add install-info, dvi, html.
3342 * configure: Regenerate.
3344 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
3345 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
3346 treelang/Make-lang.in: Do not use double-colon rules.
3348 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
3350 * tree.h (struct tree_memory_tag): Add is_used_alone member.
3351 (TMT_USED_ALONE): New macro.
3352 * tree-pass.h (PROP_tmt_usage): New property.
3353 (TODO_update_tmt_usage): New todo.
3354 * tree-ssa-alias.c (updating_used_alone): New variable.
3355 (recalculate_used_alone): New function.
3356 (compute_may_aliases): Set updating_used_alone, call
3357 recalculate_used_alone.
3358 * tree-sra.c (pass_sra): Note that this pass destroys
3359 PROP_tmt_usage, and add TODO_update_tmt_usage.
3360 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
3361 * tree-flow.h (updating_used_alone): Prototype.
3362 (recalculate_used_alone): Ditto.
3363 * passes.c (execute_todo): Add code to set updating_used_alone,
3364 and call recalculate.
3365 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
3366 for clobber if used alone, and add assert to verify used_alone
3369 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
3371 * config/s390/s390.c (legitimize_pic_address): Assertions checking
3372 for non tls symbols added.
3373 (legitimize_address): Do nothing for PLUS expressions if one of the
3374 addends is a tls symbol reference.
3376 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3380 * Makefile.in (LDFLAGS): Define from autoconf substitution.
3382 * Makefile.in (BOOTSTRAPPING): New.
3383 (quickstrap): New definition if BOOTSTRAPPING=yes.
3385 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
3386 * configure.ac: Substitute all_selected_languages with the languages
3387 that were configured. For all the other variables except
3388 lang_specs_files, include all the languages in the tree.
3389 * configure: Regenerate.
3391 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
3392 if there is one. Run the commands to run fixincludes in the same
3395 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
3396 * doc/install.texi: Document exact conventions for searching target tools.
3397 Document --with-build-time-tools. Document toplevel bootstrap. Document
3398 something more about building an Ada cross-compiler. Don't list GNU Make
3399 requirements which affect all platforms.
3401 2006-02-19 Roger Sayle <roger@eyesopen.com>
3404 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
3405 only equivalent if the have both the same mode and precision.
3407 2006-02-20 Ben Elliston <bje@au.ibm.com>
3409 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
3411 2006-02-19 Roger Sayle <roger@eyesopen.com>
3412 Steven Bosscher <stevenb.gcc@gmail.com>
3414 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
3415 constant pool references to identify stack mode constants.
3416 * rtlanal.c (constant_pool_constant_p): New predicate to check
3417 whether operand is a floating point constant in the pool.
3418 * rtl.h (constant_pool_constant_p): Prototype here.
3419 * loop.c (scan_loop): Avoid hoisting constants from the constant
3420 pool on STACK_REGS targets.
3421 (load_mems): Likewise.
3422 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
3423 loads into x87 registers expensive in terms of register pressure.
3425 2006-02-19 Roger Sayle <roger@eyesopen.com>
3427 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
3428 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
3430 2006-02-19 David Edelsohn <edelsohn@gnu.org>
3432 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3433 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
3435 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
3437 * doc/invoke.texi: Document -fipa-pta.
3438 * common.opt: Add ipa-pta option.
3439 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
3440 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
3441 (do_ds_constraint): Ditto.
3442 (get_constraint_for): Only add to referenced_vars if
3443 referenced_vars exists.
3444 (insert_into_field_list): Rewrite to do this unsorted.
3445 (insert_into_field_list_sorted): Rename old insert_into_field_list
3447 (create_function_info_for): Use insert_into_field_list_sorted.
3448 (create_variable_info_for): Rewrite so it uses unsorted version,
3449 since the field list is sorted.
3450 (intra_create_variable_infos): Only add to referenced_vars if
3451 referenced_vars exists.
3452 (ipa_pta_execute): Init heapvars, and delete when done.
3453 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
3455 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3457 * doc/install.texi: Add missing `@samp'.
3459 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3461 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
3464 2006-02-18 Mark Wielaard <mark@klomp.org>
3466 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
3467 who added new 4.1 features, bug fixes and integration support.
3469 2006-02-18 David Edelsohn <edelsohn@gnu.org>
3472 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
3475 2006-02-18 Richard Sandiford <richard@codesourcery.com>
3477 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
3478 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
3479 (copy_insn_1): Likewise. Don't copy each field individually.
3481 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
3483 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
3484 * rtl.c (rtx_size): Rename variable to...
3485 (rtx_code_size): ...this.
3486 (rtx_size): New function.
3487 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
3488 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
3490 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
3491 * rtl.h (rtx_code_size): New variable.
3492 (rtx_size): Change from a variable to a function.
3493 (RTX_SIZE): Rename to...
3494 (RTX_CODE_SIZE): ...this.
3497 PR tree-optimization/17106
3498 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
3499 (Anchored Addresses): New section.
3500 * doc/invoke.texi (-fsection-anchors): Document.
3501 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
3502 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
3503 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
3504 * hooks.c (hook_bool_mode_rtx_false): New function.
3505 * hooks.h (hook_bool_mode_rtx_false): Declare.
3506 * gengtype.c (create_optional_field): New function.
3507 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
3508 SYMBOL_REF_IN_BLOCK_P is true.
3509 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
3510 (min_anchor_offset, max_anchor_offset): Likewise.
3511 (use_anchors_for_symbol_p): New hook.
3512 * toplev.c (compile_file): Call output_object_blocks.
3513 (target_supports_section_anchors_p): New function.
3514 (process_options): Check that -fsection-anchors is only used on
3515 targets that support it and when -funit-at-a-time is in effect.
3516 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
3517 if the decl doesn't have one.
3518 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
3519 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
3520 of force_const_mem through use_anchored_address.
3521 (expand_expr_constant): New function.
3522 (expand_expr_addr_expr_1): Call it. Use the same modifier when
3523 calling expand_expr for INDIRECT_REF.
3524 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
3525 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
3526 * expr.h (use_anchored_address): Declare.
3527 * loop-unroll.c: Don't declare rtx vectors here.
3528 * explow.c: Include output.h.
3529 (validize_mem): Call use_anchored_address.
3530 (use_anchored_address): New function.
3531 * common.opt (-fsection-anchors): New switch.
3532 * varasm.c (object_block_htab, anchor_labelno): New variables.
3533 (hash_section, object_block_entry_eq, object_block_entry_hash)
3534 (use_object_blocks_p, get_block_for_section, create_block_symbol)
3535 (use_blocks_for_decl_p, change_symbol_section): New functions.
3536 (get_variable_section): New function, split out from assemble_variable.
3537 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
3538 use_blocks_for_decl_p say so. Use change_symbol_section if the
3539 symbol has already been created.
3540 (assemble_variable_contents): New function, split out from...
3541 (assemble_variable): ...here. Don't output any code for
3542 block symbols; just pass them to place_block_symbol.
3543 Use get_variable_section and assemble_variable_contents.
3544 (get_constant_alignment, get_constant_section, get_constant_size): New
3545 functions, split from output_constant_def_contents.
3546 (build_constant_desc): Create a block symbol if use_object_blocks_p
3547 says so. Or into SYMBOL_REF_FLAGS.
3548 (assemble_constant_contents): New function, split from...
3549 (output_constant_def_contents): ...here. Don't output any code
3550 for block symbols; just pass them to place_section_symbol.
3551 Use get_constant_section and get_constant_alignment.
3552 (force_const_mem): Create a block symbol if use_object_blocks_p and
3553 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
3554 (output_constant_pool_1): Add an explicit alignment argument.
3555 Don't switch sections here.
3556 (output_constant_pool): Adjust call to output_constant_pool_1.
3557 Switch sections here instead. Don't output anything for block symbols;
3558 just pass them to place_block_symbol.
3559 (init_varasm_once): Initialize object_block_htab.
3560 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
3561 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
3562 (place_block_symbol, get_section_anchor, output_object_block)
3563 (output_object_block_htab, output_object_blocks): New functions.
3564 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
3565 (TARGET_ASM_OUT): Include it.
3566 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
3567 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
3568 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
3569 (TARGET_INITIALIZER): Include them.
3570 * rtl.c (rtl_check_failed_block_symbol): New function.
3571 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
3572 (block_symbol, object_block): New structures.
3573 (rtx_def): Add a block_symbol field to the union.
3574 (BLOCK_SYMBOL_CHECK): New macro.
3575 (rtl_check_failed_block_symbol): Declare.
3576 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
3577 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
3578 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
3579 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
3580 * output.h (output_section_symbols): Declare.
3581 (object_block): Name structure.
3582 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
3583 (default_use_anchors_for_symbol_p): Declare.
3584 * Makefile.in (RTL_BASE_H): Add vec.h.
3585 (explow.o): Depend on output.h.
3586 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
3587 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3588 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3589 (rs6000_use_blocks_for_constant_p): New function.
3591 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3593 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
3595 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3598 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
3601 2006-02-18 Diego Novillo <dnovillo@redhat.com>
3603 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
3607 2006-02-18 Jakub Jelinek <jakub@redhat.com>
3610 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
3611 instead of DECL_REGISTER.
3613 2006-02-18 Olivier Hainque <hainque@adacore.com>
3616 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
3618 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
3621 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
3622 * opth-gen.awk: Handle Var and InverseMask together.
3623 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
3624 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
3625 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
3626 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
3628 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3629 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3630 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
3631 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3632 LINUX_DYNAMIC_LINKER): Define.
3633 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
3634 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
3636 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3637 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
3638 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3639 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3640 (TARGET_C99_FUNCTIONS): Don't define.
3641 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
3642 GLIBC_DYNAMIC_LINKER.
3643 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
3644 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
3645 GLIBC_DYNAMIC_LINKER64): Define.
3646 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3647 LINUX_DYNAMIC_LINKER64.
3648 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3649 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3650 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
3651 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3652 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3653 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3654 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
3655 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
3656 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
3657 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
3658 and LINUX_DYNAMIC_LINKER32.
3659 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3660 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3661 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
3662 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3663 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
3665 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
3666 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
3667 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3668 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3669 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3670 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
3671 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
3672 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
3673 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3674 LINUX_DYNAMIC_LINKER): Define.
3675 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
3676 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
3677 GLIBC_DYNAMIC_LINKER64): Define.
3678 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3679 LINUX_DYNAMIC_LINKER64.
3680 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3681 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3682 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
3683 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3684 LINUX_DYNAMIC_LINKER): Define.
3685 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3686 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3687 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
3688 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
3689 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
3690 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3691 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
3692 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
3693 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3694 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3695 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3696 * doc/invoke.texi (-muclibc): Remove caveat about supported
3699 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3701 * doc/cpp.texi (__TIMESTAMP__): Document.
3703 2006-02-17 Roger Sayle <roger@eyesopen.com>
3706 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
3707 C is one less than the width of X (and related transformations).
3708 * simplify-rtx.c (simplify_unary_operation_1): Transform
3709 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
3710 depending on STORE_FLAG_VALUE, were C is one less then the
3713 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
3715 Fix PR tree-optimization/26341
3716 * tree-ssa-operands.c (add_virtual_operand): Remove assert
3717 about NAME_MEMORY_TAG's.
3719 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3722 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
3723 with hardware float support, and software float support. Add fcpy
3724 alternative to hardware patterns. Add alternatives to copy between
3725 general and floating-point registers to the 32-bit pattern.
3726 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
3727 secondary reload to load a QI or HI mode constant into a floating
3729 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
3730 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
3732 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
3735 * config/rs6000/darwin.md (load_macho_picbase_si): Add
3737 (load_macho_picbase_di): Likewise.
3739 2006-02-16 Jeff Law <law@redhat.com>
3741 * tree-vrp.c (set_value_range_to_nonnegative): New function.
3742 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
3743 (ssa_name_nonzero_p): Likewise.
3744 (get_value_range): Return NULL if VRP is not running.
3745 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
3746 VRP routines do not discover a range.
3747 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
3748 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
3749 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
3750 (tree_expr_nonnegative_p): Similarly.
3751 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
3752 (restore_nonzero_vars_to_original_value): Remove.
3753 (unsafe_associative_fp_binop): Remove.
3754 (tree_ssa_dominator_optimize): Remove initialization and
3755 finalization of nonzero_vars and nonzero_vars_stack.
3756 (dom_opt_initialize_block): No longer push marker on
3758 (dom_opt_finalize_block): No longer call
3759 restore_nonzero_vars_to_original_value.
3760 (record_equivalences_from_phis): No longer look for
3761 nonzero PHI arguments.
3762 (cprop_into_successor_phis): No longer propagate nonzero
3763 property into PHI arguments. Lose unused argument. Caller
3765 (record_equivalences_from_stmt): No longer record nonzero
3766 values for SSA_NAMEs.
3767 (lookup_avail_expr): No longer use nonzero_vars.
3769 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
3770 for sizetype when sizetype is unsigned.
3772 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
3774 PR rtl-optimization/25603
3775 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
3776 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
3777 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
3778 with new meaning of SETS.
3780 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
3785 * config/linux.opt: New file.
3786 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
3787 LINUX_DYNAMIC_LINKER): Define.
3788 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
3789 * config.gcc (*-*-linux*): Define extra_options.
3790 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
3791 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
3792 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
3793 GLIBC_DYNAMIC_LINKER.
3794 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
3795 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3796 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3797 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3798 * doc/invoke.texi (GNU/Linux Options): New section.
3800 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3802 * config/sparc/sparc.md (setjmp): Rewrite.
3803 (setjmp_32): Delete.
3804 (setjmp_64): Likewise.
3806 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
3808 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
3811 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3813 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
3816 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3818 PR rtl-optimization/26296
3819 * Makefile.in (loop-invariant.c): Add except.h dependency.
3820 * loop-invariant.c: Include except.h.
3821 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
3823 2005-02-16 Paul Brook <paul@codesourcery.com>
3825 * reload1.c (emit_reload_insns): Invalidate dead input registers used
3828 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
3830 PR rtl-optimization/25636
3831 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
3832 when deciding whether an insn is an initializing insn.
3834 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
3836 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
3837 (tree_code_size): Ditto.
3838 * tree.h (struct tree_memory_tag): Remove parent_var.
3839 (struct tree_struct_field_tag): New.
3842 (union tree_node): Add sft member.
3843 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
3845 (create_sft): Add size and offset argument, set SFT_OFFSET and
3847 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
3848 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
3849 * tree-flow-inline.h (get_subvar_at): Update for
3850 SFT_OFFSET/SFT_SIZE.
3851 (var_can_have_subvars): Ditto.
3852 (overlap_subvar): Ditto.
3853 * print-tree.c (print_node): Print out interesting things for
3855 * tree-flow.h (struct subvar): Remove offset and size members.
3856 * tree-ssa-operands.c (get_expr_operands): Update for
3857 get_indirect_ref_operands changes.
3858 (get_indirect_ref_operands): Call add_virtual_operand instead of
3859 add_stmt_operand. Only recurse on base var if requested.
3860 (access_can_touch_variable): New function.
3861 (add_stmt_operand): Split virtual operand handling into ...
3862 (add_virtual_operand): Here. Add offset, size, and for_clobber
3863 arguments. Prune alias sets.
3864 (add_call_clobber_ops): Call add_virtual_operand.
3866 2006-02-15 Jakub Jelinek <jakub@redhat.com>
3869 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
3871 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
3872 than TREE_CODE as index into omp_clause_num_ops array.
3874 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
3876 PR rtl-optimization/26184
3877 * modulo-sched.c (generate_reg_moves): Free bitmap vector
3879 * modulo-sched.c (sms_schedule): Free g_arr pointer.
3880 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
3881 must_precede, must_follow and tobe_scheduled.
3884 * opts.c (common_handle_option): Free new_option pointer.
3885 * df-core.c (df_analyze): Free postorder pointer.
3887 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3889 * Makefile.in: Fix the examples about the use of stamps
3891 2006-02-15 Michael Matz <matz@suse.de>
3895 * stor-layout.c (layout_decl): Zero-width bitfields aren't
3896 influenced by maximum_field_alignment or DECL_PACKED.
3897 (update_alignment_for_field): Ditto.
3898 (place_field): Ditto.
3899 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
3902 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
3904 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
3905 (debug_flow_info): Pass it.
3906 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
3907 * bb-reorder.c (reorder_basic_blocks): Likewise.
3908 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
3909 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
3910 * flow.c (life_analysis, recompute_reg_usage): Likewise.
3911 * gcse.c (gcse_main, bypass_jumps): Likewise.
3912 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
3913 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
3914 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
3915 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
3916 * rtl.h (dump_flow_info): Adjust prototype.
3917 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
3918 * var-tracking.c (variable_tracking_main): Likewise.
3919 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
3920 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
3923 2006-02-15 Marcin Dalecki <martin@dalecki.de>
3925 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
3928 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3930 PR tree-optimization/26209
3931 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
3932 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
3934 * tree-cfg.c (replace_uses_by): Do not alter cfg.
3936 2006-02-14 Roger Sayle <roger@eyesopen.com>
3939 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
3940 (X,Y) and the corresponding symmetry related transformations.
3941 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
3942 (X,Y) and its symmetry related transformations.
3944 2006-02-14 Roger Sayle <roger@eyesopen.com>
3946 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
3949 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
3951 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
3953 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3956 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
3957 support COMDAT group.
3958 * configure: Regenerate.
3960 2006-02-14 Roger Sayle <roger@eyesopen.com>
3965 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
3967 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
3969 Fix PR tree-optimization/26260
3971 * doc/invoke.texi (max-fields-for-field-sensitive): Document
3973 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
3974 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
3975 * tree-ssa-structalias.c (create_variable_info_for): Use
3976 MAX_FIELDS_FOR_FIELD_SENSITIVE.
3978 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3980 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
3982 * tree-ssa-loop-niter.c (number_of_iterations_ne,
3983 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
3984 of the ending condition.
3985 * tree-ssa-loop-manip.c: Include params.h.
3986 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
3987 tree_unroll_loop): New functions.
3988 * tree-pass.h (pass_loop_prefetch): Declare.
3989 * loop.c (rest_of_handle_loop_optimize): Test for
3990 -fprefetch-loop-arrays-rtl.
3991 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
3992 * timevar.def (TV_TREE_PREFETCH): New timevar.
3993 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
3994 pass_loop_prefetch): New.
3995 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
3996 (cleanup_tree_cfg_loop): Call scev_reset.
3997 * common.opt (fprefetch-loop-arrays-rtl): Add.
3998 * tree-ssa-loop-prefetch.c: New file.
3999 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
4000 (new_temp_expr_table): Initialize expr_vars.
4001 (free_temp_expr_table): Cleanup expr_vars.
4002 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
4003 expressions from being merged into one.
4004 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4005 (struct tree_niter_desc): Add control, bound and cmp fields.
4006 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4008 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4009 (tree-cfgcleanup.o): Add SCEV_H dependency.
4010 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4011 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4013 2006-02-14 Richard Guenther <rguenther@suse.de>
4015 PR tree-optimization/26258
4016 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4017 in PHI argument processing.
4019 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4021 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4022 new expression in the requested machine mode.
4024 2006-02-13 Roger Sayle <roger@eyesopen.com>
4026 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4027 directly, instead let do_compare_rtx_and_jump handle this for us.
4028 * expr.c (expand_expr_real_1): Likewise.
4029 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4030 before do_jump_by_parts_greater.
4031 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4032 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4034 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4036 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4038 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4040 PR rtl-optimization/26235
4041 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4042 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4045 2006-02-13 Jeff Law <law@redhat.com>
4047 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4050 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4053 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4054 twice if decl is a builtin. When trying again, call get_callee_fndecl
4055 first to verify it is still a builtin.
4057 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4059 * dwarf2out.c (base_type_die): Don't add AT_name here.
4060 (subrange_type_die): Don't add AT_name here.
4061 (modified_type_die): Rearrange code flow. Do add AT_name here.
4063 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4065 PR rtl-optimization/26247
4066 PR rtl-optimization/26248
4067 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4069 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4071 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4072 * config/fixtfdi.c: Likewise.
4073 * config/fixunstfdi.c: Likewise.
4074 * config/floatditf.c: Likewise.
4076 2006-02-13 Roger Sayle <roger@eyesopen.com>
4079 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4080 into (X,C2) if C1 is a subset of the bits of C2. Transform
4081 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4083 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4085 2006-02-13 Josh Conner <jconner@apple.com>
4088 * varasm.c (function_section): Check for section name before
4089 calling select_section on targets that define
4090 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4091 unlikely_text_section instead of hot_function_section if
4092 first_function_block_is_cold.
4094 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4097 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4099 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4101 PR rtl-optimization/26222
4102 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4103 after tree->rtl expansion.
4104 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4105 before passing it to emit_move_insn.
4107 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4109 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4111 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4112 Clarify documentation.
4113 * c-common.h (warn_write_strings): Remove.
4114 * c-common.c (warn_write_strings): Likewise.
4115 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4118 2006-02-12 Roger Sayle <roger@eyesopen.com>
4121 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4122 (do_jump_parts_zero_rtx): New function renamed from
4123 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4124 (do_jump_parts_equality_rtx): New function split out from
4125 do_jump_parts_equality. Old implementation renamed as above.
4126 Call do_jump_parts_zero_rtx if either operand is zero.
4127 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4128 do all of the heavy lifting.
4129 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4130 calling either do_jump_by_parts_greater_rtx or
4131 do_jump_by_parts_equality_rtx.
4132 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4133 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4134 moved to do_compare_rtx_and_jump, call it directly.
4135 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4136 mode argument. Call do_compare_rtx_and_jump.
4137 (emit_case_nodes): Update calls to do_jump_if_equal.
4139 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4141 PR rtl-optimization/26225
4142 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4144 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4146 PR rtl-optimization/26232
4147 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4149 2006-02-11 Jason Merrill <jason@redhat.com>
4152 * tree-inline.c (declare_return_variable): Just don't use the
4153 modify target if it's a gimple complex reg and the return slot
4156 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4158 * doc/contrib.texi: Update my entry.
4160 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4162 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4164 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4166 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4169 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4171 * doc/invoke.texi (-floop-optimize2): Removed.
4172 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4173 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4174 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4175 * common.opt (floop-optimize2): Removed.
4176 (fmove-loop-invariants): Enabled by default.
4178 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4180 * tree-if-conv.c (combine_blocks): Free the result of
4181 get_loop_exit_edges.
4183 2006-02-10 Jeff Law <law@redhat.com>
4185 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4187 PR tree-optimization/26213
4188 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4189 loop trying to follow SSA_NAME_VALUE chains.
4191 2006-02-10 Richard Guenther <rguenther@suse.de>
4193 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
4194 deal with structures that end in implicitly variable sized arrays.
4196 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4198 PR rtl-optimization/24762
4199 * df-scan.c (df_bb_refs_record): Record correct registers defined on
4202 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4204 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4205 (struct ivopts_data): Add regs_used field.
4206 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
4207 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
4208 instead of loop_data->regs_used;
4209 (free_loop_data): Do not free aux fields for loops.
4210 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
4211 and tree_ssa_iv_optimize_finalize.
4213 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
4215 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
4217 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4220 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
4221 computing the effective result type.
4223 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4226 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4227 (tree_overlaps_hard_reg_set): Declare.
4228 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
4229 type and signature to match function type expected by walk_tree.
4230 (tree_overlaps_hard_reg_set): New function.
4231 (decl_conflicts_with_clobbers_p): Rename to:
4232 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
4233 Use tree_overlaps_hard_reg_set. Changed caller.
4234 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
4235 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
4236 * cris.c (cris_md_asm_clobbers): Likewise.
4238 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
4240 * reload1.c (emit_input_reload_insns): Delete code that tries to
4241 inherit using find_equiv_reg.
4243 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
4245 * c-common.h (flag_const_strings): Don't declare.
4246 * c-common.c (flag_const_strings): Remove.
4247 * c.opt (fconst_strings): Remove.
4248 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
4249 <OPT_Wwrite_strings>: Don't set flag_const_strings.
4250 (c_common_init_options): Don't set flag_const_strings.
4251 * doc/invoke.texi (-fno-const-strings): Remove documentation.
4253 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
4255 * arm.md (tlobits_cbranch): New pattern.
4256 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
4257 testing a single bit.
4259 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4262 * tree-ssa-pre.c (create_component_ref_by_pieces):
4263 Handle RETURN_DECL like VAR_DECL.
4265 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4268 * fold-const.c (fold_indirect_ref_1): Fold
4269 "*(foo *)&complexfoo" to "__real__ complexfoo"
4270 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
4272 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4274 * tree-flow-inline.h (var_can_have_subvars):
4275 Volatile variables should not have subvariables.
4277 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4280 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4281 multiplying unsigned values.
4284 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4286 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4288 2006-02-08 Jason Merrill <jason@redhat.com>
4291 * tree.def: Elaborate on difference from MODIFY_EXPR.
4292 * doc/c-tree.texi (INIT_EXPR): Likewise.
4293 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4294 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4295 (gimplify_target_expr): Likewise.
4296 (gimplify_cond_expr): Remove target handling.
4297 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4298 (gimplify_expr): Clobber it here.
4299 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4300 Do return slot optimization if we have an INIT_EXPR.
4303 * tree-inline.c (declare_return_variable): Also clear
4304 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4307 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4310 * gimplify.c (gimplify_one_sizepos): Fix typo.
4312 2006-02-08 Jeff Law <law@redhat.com>
4314 PR tree-optimization/21417
4315 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4316 across a backedge if the control statement at the end of the
4317 block is data dependent on other statements in the same block.
4318 (record_temporary_equivalences_from_stmts): Remove over-conservative
4319 test for threading across backedges.
4321 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4322 control statement, handle all three special cases in the same
4323 manner as they all have the same desired solution. No longer
4324 special case edge flag updating when the post dominator is
4327 2006-02-08 Roger Sayle <roger@eyesopen.com>
4329 * tree.def (CHAR_TYPE): Remove.
4330 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4331 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4332 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4333 (gen_string_type_die): Delete unreachable function.
4335 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
4336 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
4337 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
4338 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
4339 * builtins.c (type_to_class): Likewise.
4340 * fold-const.c (fold_convert, build_range_check,
4341 merge_ranges): Likewise.
4342 * expr.c (count_type_elements): Likewise.
4343 * c-pretty-print.c (pp_c_type_specifier): Likewise.
4344 * stor-layout.c (layout_type): Likewise.
4345 * ipa-type-escape.c (type_to_consider): Likewise.
4346 * gimplify.c (omp_firstprivatize_type_sizes,
4347 gimplify_type_sizes): Likewise.
4348 * explow.c (promote_mode): Likewise.
4349 * tree-sra.c (is_sra_scalar_type): Likewise.
4350 * varasm.c (output_constant): Likewise.
4351 * tree-inline.c (remap_type_1): Likewise.
4352 * convert.c (convert_to_pointer, convert_to_real,
4353 convert_to_integer, convert_to_complex): Likewise.
4355 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
4357 * df-scan.c (df_def_record_1): A set destination may
4358 be a parallel regardless of mode.
4360 2006-02-08 Roger Sayle <roger@eyesopen.com>
4363 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
4364 * config/mips/_tilib.c: Remove.
4365 * config/fixtfdi.c: New libgcc source file.
4366 * config/fixunstfdi.c: New source file.
4367 * config/floatditf.c: New source file.
4368 * config/floatunditf.c: New souce file.
4369 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4370 files above instead of config/mips/_tilib.c.
4371 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4373 2006-02-08 Jeff Law <law@redhat.com>
4375 PR tree-optimization/26169
4376 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
4379 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
4381 * df.h (DF_REG_SIZE): Return the length of the initialized
4384 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
4386 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
4387 __muldf3): Return a correctly signed zero.
4389 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
4391 * passes.c (register_one_dump_file): Accept the current properties
4392 instead of pass number. Adjust call to dump_register. Remove
4394 (register_dump_files): Now a wrapper around...
4395 (register_dump_files_1): ... this one. Do not modify the pass
4397 (next_pass_1): Cosmetic fix.
4398 (execute_todo): Keep second parameter only. Use curr_properties
4399 instead of fetching it from the pass structure. Check and set
4401 (execute_one_pass): Handle TODO_set_props. Use curr_properties
4402 instead of fetching it from the pass structure. Fix calls to
4403 execute_todo. Update curr_properties and initialize .vcg RTL dump
4404 after running the pass. Reset last_verified.
4405 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
4407 (FIRST_AUTO_NUMBERED_DUMP): New.
4408 (dump_register): Remove "num" parameter, assign it within the
4410 (get_dump_file_name): Modify template for dumps.
4411 * tree-dump.h (dump_register): Adjust prototype.
4412 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
4413 (PROP_trees): Add PROP_gimple_lomp.
4414 (TODO_set_props): New.
4415 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
4416 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
4417 * cfgexpand.c (pass_expand): Destroy PROP_trees.
4419 2006-02-08 Jakub Jelinek <jakub@redhat.com>
4421 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
4422 (sparc64-*-linux*): Likewise.
4423 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
4424 * config/sparc/t-linux: New file.
4425 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
4426 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
4427 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
4428 -m32 -mlong-double-128.
4430 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
4431 * config/alpha/t-linux: New file.
4432 * config/alpha/libgcc-alpha-ldbl.ver: New file.
4434 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
4435 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
4436 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
4437 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
4438 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
4439 (CPP_ARCH32_SPEC): Remove.
4441 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
4443 PR tree-optimization/26145
4444 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
4447 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4450 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
4451 >= 240000 when generating code for SOM runtime.
4452 (output_indirect_call): Don't use "b,l" instruction for indirect calls
4453 to $$dyncall when generating code for SOM runtime..
4455 2006-02-07 Dirk Mueller <dmueller@suse.com>
4458 * doc/invoke.texi (-Wsequence-point): Update documentation
4459 that -Wsequence-point is implemented for C++ as well.
4461 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4463 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
4464 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
4465 (LIB_SPEC): Likewise.
4466 * doc/invoke.texi (SPARC options): Document -pthread.
4468 2006-02-07 Geoffrey Keating <geoffk@apple.com>
4470 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
4473 2006-02-07 Roger Sayle <roger@eyesopen.com>
4475 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
4476 Correct comment describing BOOLEAN_TYPE.
4478 2006-02-07 Dirk Mueller <dmueller@suse.com>
4480 * c.opt: C++ frontend supports -Wdiv-by-zero.
4481 * c-opts.c (c_common_handle_option): Remove dead case.
4483 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4485 * configure.ac (TLS assembler check): Do not enable TLS by
4486 default on SPARC/Solaris before version 10.
4487 * configure: Regenerate.
4489 2006-02-07 David Edelsohn <edelsohn@gnu.org>
4491 * doc/invoke.texi (xl-compat): Document conversion and support
4494 2006-02-07 Jeff Law <law@redhat.com>
4496 * tree-vrp.c (find_conditional_asserts): Update comments.
4497 (simplify_stmt_for_jump_threading): New.
4498 (identify_jump_threads, finalize_jump_threads): New.
4499 (vrp_finalize): Call identify_jump_threads.
4500 (execute_vrp): Call finalize_jump_threads.
4501 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
4502 (vrp_element, vrp_data, vrp_element_p): Remove.
4503 (vrp_hash_elt, vrp_variables_stack): Remove.
4504 (vrp_hash, vrp_eq, record_range): Remove.
4505 (simplify_cond_and_lookup_avail_expr): Remove.
4506 (extract_range_from_cond): Remove.
4507 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
4508 (simplify_stmt_for_jump_threading): New.
4509 (dom_thread_across_edge): New wrapper.
4510 (tree_ssa_dominator_optimize): No longer initialize or
4511 finalize any of the VRP datastructures. Remove iteration
4512 step and simplify as a result of removal of iteration step.
4513 (pass_dominator): Perform a cfg cleanup after DOM.
4514 (dom_opt_finalize_block): Use the new common routines
4515 for threading jumps. Simplify stack management slightly.
4516 No longer need to unwind VRP state.
4517 (record_equivalences_from_incoming_edge): No longer record
4519 (eliminate_redundant_computations): No longer call
4520 simplify_cond_and_lookup_avail_expr.
4521 * tree-flow.h (potentially_threadable_block): Prototype.
4522 (thread_across_edge): Likewise.
4523 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
4524 (tree-ssa-threadedge.o): Add dependencies.
4525 * tree-ssa-threadedge.c: New file.
4526 * passes.c (init_optimization_passes): Merge PHIs before
4527 calling VRP. Run VRP again late in the SSA optimization pipeline.
4529 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4531 * df-core.c (df_set_blocks): Do not dereference function pointers.
4532 (df_finish1): Likewise.
4533 (df_hybrid_search_forward): Likewise.
4534 (df_hybrid_search_backward): Likewise.
4535 (df_iterative_dataflow): Likewise.
4536 (df_analyze_problem): Likewise.
4537 (df_compact_blocks): Likewise.
4538 (df_dump): Likewise.
4539 * df-scan.c (df_rescan_blocks): Likewise.
4540 (df_record_entry_block_defs): Likewise.
4542 * genconditions.c (write_conditions): Guard the definition of
4543 'insn_conditions' with the check on GCC version.
4544 (write_writer): Guard the traversal 'insn_conditions' with
4545 the check on GCC version.
4547 2006-02-07 Richard Guenther <rguenther@suse.de>
4551 2006-01-30 Richard Guenther <rguenther@suse.de>
4553 * gimplify.c (gimplify_target_expr): Handle easy cases
4554 without creating a temporary.
4556 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
4558 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
4559 use of float in probability computations. Use edge probabilities
4560 in place of statically computed probabilities.
4561 (min_spec_prob): New static variable.
4562 (schedule_insns): Initialize it.
4563 (GET_SRC_PROB): Removed.
4564 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
4566 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
4569 * config/ia64/unwind-ia64.c: Revert last change.
4570 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
4571 (INCOMING_FRAME_SP_OFFSET): Define.
4573 2006-02-06 Roger Sayle <roger@eyesopen.com>
4575 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
4577 2006-02-07 Ben Elliston <bje@au.ibm.com>
4579 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
4580 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
4581 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
4582 (ix86_return_in_memory): Handle TDmode.
4583 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
4584 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
4586 2006-02-06 Richard Sandiford <richard@codesourcery.com>
4588 * reorg.c (dbr_schedule): Use dump_file instead of file.
4590 2006-02-06 Steve Ellcey <sje@cup.hp.com>
4593 * config/ia64/predicates.md (extr_len_operand): New predicate.
4594 * config/ia64/ia64.md (extv): Tighten constraints.
4596 (*tbit_and_2): Ditto.
4597 (*tbit_and_3): Ditto.
4598 (*tbit_or_2): Ditto.
4599 (*tbit_or_3): Ditto.
4603 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
4606 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
4608 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
4610 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
4611 loop_optimizer_init and loop_optimizer_finalize
4612 * tree-ssa-sink.c (execute_sink_code): Ditto.
4613 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4614 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
4615 tree_ssa_loop_done): Ditto.
4616 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
4617 * sched-ebb.c: Include output.h.
4618 (schedule_ebbs): Do not use dump argument.
4619 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
4620 * loop.c (loop_dump_stream): Removed.
4621 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
4623 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
4624 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
4625 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
4626 loop_iterations, strength_reduce, record_biv, record_giv,
4627 final_giv_value, check_final_value, check_ext_dependent_givs,
4628 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
4629 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
4630 dump_file instead of loop_dump_stream.
4631 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
4633 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
4635 * flow.c (life_analysis, rest_of_handle_life): Ditto.
4636 * haifa-sched.c: Include output.h
4637 (schedule_insns, sched_init): Do not use dump argument.
4638 * mode-switching.c (optimize_mode_switching): Ditto.
4639 * modulo-sched.c (stats_file): Removed.
4640 (print_node_sched_params): Do not call argument dump_file.
4641 (sms_schedule_by_order, loop_canon_p, sms_schedule,
4642 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
4644 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
4646 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
4647 rtl_loop_init, rtl_loop_done): Ditto.
4648 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
4649 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
4651 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
4652 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
4653 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
4654 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
4655 * emit-rtl.c (renumber_insns): Ditto.
4656 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
4657 expand_gimple_basic_block, tree_expand_cfg): Ditto.
4658 * regclass.c (regclass): Ditto.
4659 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
4660 remove_ssa_form, rewrite_out_of_ssa): Ditto.
4661 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
4662 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
4664 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
4665 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
4667 * gcse.c (gcse_file, debug_stderr): Removed.
4668 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
4669 rest_of_handle_gcse): Do not use dump argument.
4670 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
4671 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
4672 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
4673 compute_code_hoist_vbeinout, compute_code_hoist_data,
4674 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
4675 compute_store_table, build_store_vectors, insert_insn_start_bb,
4676 insert_store, remove_reachable_equiv_notes, replace_store_insn,
4677 store_motion): Use dump_file instead of gcse_file.
4678 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
4679 * profile.c (profile_dump_file): Removed.
4680 (branch_prob): Use dump_file instead of profile_dump_file.
4681 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
4683 * tree-ssa-copy.c (dump_copy_of): Ditto.
4684 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
4685 dump file to life_analysis.
4686 * bt-load.c (branch_target_load_optimize): Ditto.
4687 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
4689 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
4690 regclass, dbr_schedule): Declaration changed.
4691 * sched-int.h (sched_init): Declaration changed.
4692 * tree-profile.c (tree_profile_dump_file): Removed.
4693 (tree_profile_hooks): Removed profile_dump_file hook.
4694 * rtl-profile (rtl_profile_dump_file): Removed.
4695 (rtl_profile_hooks): emoved profile_dump_file hook.
4696 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
4698 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
4699 * tree-cfg.c (build_tree_cfg): Ditto.
4700 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
4701 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
4702 Declaration changed.
4703 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
4704 life_analysis and schedule_insns.
4705 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
4707 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
4709 * config/mips/mips.c (mips_reorg): Ditto.
4710 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
4713 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
4715 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4716 (s390_mangle_fundamental_type): New.
4717 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4720 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4721 (alpha_mangle_fundamental_type): New.
4722 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4725 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4727 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4729 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4730 (sparc_mangle_fundamental_type): New.
4732 2006-02-06 Jakub Jelinek <jakub@redhat.com>
4734 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
4735 (s390x-*-linux*): Likewise.
4736 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
4737 * config/s390/t-linux: New file.
4739 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4741 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
4742 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
4744 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
4746 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
4747 (ANTIC_SAFE_LOADS): New macro.
4748 (find_or_generate_expression): Add prototype.
4749 (set_contains_value): Allow null set for sake of not always having
4750 to allocate ANTIC_SAFE_LOADS.
4751 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
4752 Allow COMPONENT_REF too.
4753 (valid_in_set): Allow COMPONENT_REF.
4754 Check ANTIC_SAFE_LOADS too.
4755 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
4756 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
4758 (can_PRE_operation): Add COMPONENT_REF.
4759 (create_component_ref_by_pieces): New function.
4760 (create_expression_by_pieces): Use create_component_ref_by_pieces.
4761 (insert_aux): Move AGGREGATE_TYPE_P check here.
4762 (compute_avail): Set bb local stmt uids.
4763 (pass_pre): Use TODO_update_ssa_only_virtuals.
4765 2006-02-06 Ben Elliston <bje@au.ibm.com>
4767 * configure.ac: Unconditionally disable decimal float by default.
4768 * configure: Regenerate.
4770 2006-02-06 Ben Elliston <bje@au.ibm.com>
4772 * read-rtl.c (read_name): Terminate reading on EOF.
4774 2006-02-06 Ben Elliston <bje@au.ibm.com>
4776 * dfp.c (decimal_real_arithmetic): Change second argument type
4777 from int to enum tree_code. Do not always return true, but now
4778 return result of any call to decimal_do helper functions.
4779 * dfp.h (decimal_real_arithmetic): Update prototype.
4781 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
4783 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
4785 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
4788 * tree-cfg.c (cleanup_dead_labels): Also don't remove
4791 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4793 * tree-vrp.c (cfg_loops): Removed.
4794 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
4795 Use current_loops instead of cfg_loops. Pass flags to
4796 loop_optimizer_init.
4797 * cfgloopmanip.c (fix_loop_structure): Update only available
4799 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
4800 loop_optimizer_init.
4801 * modulo-sched.c (build_loops_structure): Removed.
4802 (sms_schedule): Use loop_optimizer_init.
4803 * loop-init.c (loop_optimizer_init): Use flags to determine
4804 which properties of loops to prepare.
4805 (rtl_loop_init): Pass flags to loop_optimizer_init.
4806 * tree-ssa-sink.c (execute_sink_code): Ditto.
4807 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
4808 * tree-ssa-pre.c (init_pre): Ditto.
4809 * cfgloop.h (LOOPS_NORMAL): New.
4810 (loop_optimizer_init): Declaration changed.
4812 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4814 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
4815 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
4817 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
4819 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
4821 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
4822 * pa/t-pa64: Delete quadlib.c rule.
4823 * pa/x-ada: Revert last change.
4824 * pa/t-pa: Revert last change. Delete quadlib.c rule.
4826 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4828 PR rtl-optimization/26087
4829 * rtlanal.c (canonicalize_condition): Do not cross basic block
4832 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
4835 * config/ia64/ia64.c: Include debug.h.
4836 (MAX_ARTIFICIAL_LABEL_BYTES): New.
4837 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
4838 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
4839 (process_epilogue, process_set, process_for_unwind_directive):
4840 Output unwind info only if requested. Add CFA info if requested.
4841 Add new arguments as needed. Adjust callers.
4842 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
4844 (DWARF2_FRAME_INFO): Define to zero.
4845 * config/ia64/unwind-ia64.c: Remove code that compensated for
4846 the CFA offset error fixed above.
4847 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
4848 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
4849 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
4850 -funwind-tables and -fexceptions to enable frame info.
4851 (dwarf2out_frame_init): Define initial CFA even if
4852 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
4853 DWARF2_UNWIND_INFO is nonzero, not just defined.
4854 (dwarf2out_frame_finish): Output non-EH call frame info only
4855 if DWARF2_FRAME_INFO is nonzero.
4856 (convert_cfa_to_loc_list,
4857 compute_frame_pointer_to_cfa_displacement): Define even if
4858 unwind info is not supported.
4859 (gen_subprogram_die): Use the above unconditionally. Remove
4860 legacy alternate code.
4861 * toplev.c (compile_file): Compile in call to
4862 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
4863 (lang_dependent_init): Ditto for dwarf2out_frame_init.
4865 2006-02-04 David Edelsohn <edelsohn@gnu.org>
4866 Jakub Jelinek <jakub@redhat.com>
4868 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
4869 IBM extended float format long double as "g" on powerpc*-linux.
4871 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4874 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
4875 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
4877 2006-02-03 Jason Merrill <jason@redhat.com>
4880 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
4883 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
4884 on the return slot if it's an NRV.
4886 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
4888 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
4889 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
4890 rewrite_use): Do not handle USE_OUTER.
4891 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
4892 add_iv_outer_candidates, may_replace_final_value,
4893 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
4894 (find_interesting_uses_op): Functionality of
4895 find_interesting_uses_outer_or_nonlin moved here.
4896 (find_interesting_uses_outside): Use find_interesting_uses_op.
4898 2006-02-03 Alan Modra <amodra@bigpond.net.au>
4901 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
4903 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
4904 Ulrich Weigand <uweigand@de.ibm.com>
4907 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
4908 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
4909 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
4910 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
4912 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
4913 (s390_rtx_costs): Use the new fields to calculate rtx costs.
4914 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
4915 Define secondary reloads for TFmode moves.
4916 (constant_modes): Add TFmode.
4917 (NR_C_MODES): Set to 8.
4918 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
4920 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
4921 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
4922 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
4923 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
4924 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
4925 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
4926 (FPR mode macro): Add TFmode.
4927 (DSF mode macro): New.
4928 (<de>, <dee> mode attributes): Removed.
4929 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
4930 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
4931 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
4932 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
4933 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
4934 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
4935 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
4936 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
4937 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
4938 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
4939 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
4940 "*negabs<mode>2", "sqrt<mode>2"):
4941 Changed <de> to <xde>. R constraint replaced by <Rf>.
4942 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
4944 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
4945 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
4946 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
4948 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
4949 "extenddftf2", "extendsftf2"): New expanders.
4950 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
4951 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
4952 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
4953 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
4955 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
4956 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
4957 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
4958 __floatditf): Add a GCC_4.1.0 symbol version tag.
4959 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
4962 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
4965 * config/i386/i386.c (ix86_function_ok_for_sibcall):
4966 Use targetm.binds_local_p instead of TREE_PUBLIC.
4968 2006-02-02 Roger Sayle <roger@eyesopen.com>
4970 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
4971 on INTEGER_TYPEs to indicate that it denotes a character type.
4972 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
4973 signed_char_type_node, unsigned_char_type_node and char_type_node.
4974 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
4975 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
4976 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
4978 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
4979 Daniel Berlin <dberlin@dberlin.org>
4981 * tree-tailcall.c (arg_needs_copy_p): New function.
4982 (eliminate_tail_call): Use arg_needs_copy_p.
4983 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
4984 (add_virtual_phis): New function.
4986 2006-02-02 Jakub Jelinek <jakub@redhat.com>
4988 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
4989 #ignore instead of #scratch for %g7 .register directive.
4991 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
4993 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
4996 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4998 * flow.c (calculate_global_regs_live): Assert that there aren't any
5001 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
5003 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5005 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5006 bsi_after_labels iterator.
5007 * tree-if-conv.c (find_phi_replacement_condition,
5008 replace_phi_with_cond_modify_expr): Likewise.
5009 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5010 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5012 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5014 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5016 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5019 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5020 array after growing it.
5022 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5025 * fold-const.c (fold_checksum_tree): Change type of buf.
5027 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5029 * reload.c (push_secondary_reload): Initialize t_icode.
5031 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5033 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5034 -msoft-float -mlong-double-128 only issue a warning, but don't
5035 swich to DFmode long double.
5037 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5039 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5040 has a constant equivalent, iterate over equivalents for arg0,
5041 calling simplify_relational_operation and if there's a result
5042 cheaper than X, apply fold_rtx and return the result.
5044 2006-02-01 Jan Hubicka <jh@suse.cz>
5046 * opts.c (no_unit_at_a_time_default): New global variable.
5047 (decode_options): Use it.
5048 * opts.h (no_unit_at_a_time_default): Declare.
5050 2006-02-01 Paul Brook <paul@codesourcery.com>
5052 * function.c (assign_parm_setup_reg): Use function argument promotion
5054 * expr.c (expand_expr_real_1): Use function argument promotion rules
5057 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5059 * gcc.c (process_command): Change j to 'unsigned int'.
5061 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5064 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5065 Use the corrected index for the character
5066 out of the string constant.
5068 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5070 * mode-switching.c (optimize_mode_switching): Fix size
5071 allocated for bb_info[n_entities].
5073 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5075 * gcc.c (main): Correct type that is allocated for
5076 explicit_link_files.
5078 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5080 * config/s390/s390.c (init_alignment_context): Set
5081 ALIAS_SET_MEMORY_BARRIER on the MEM.
5082 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5084 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5087 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5089 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5092 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5094 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5095 * regrename.c: Ditto.
5096 * tree-ssa-loop-im.c: Ditto.
5097 * tree-dump.c: Ditto.
5098 * tree-complex.c: Ditto.
5099 * genrecog.c: Ditto.
5100 * tree-ssa-threadupdate.c: Ditto.
5102 * java/class.c: Ditto.
5103 * java/jcf-parse.c: Ditto.
5104 * java/resource.c: Ditto.
5105 * java/except.c: Ditto.
5106 * java/jvspec.c: Ditto.
5107 * java/jcf-write.c: Ditto.
5108 * java/jcf-path.c: Ditto.
5109 * java/gjavah.c: Ditto.
5110 * java/zextract.c: Ditto.
5111 * java/jcf-io.c: Ditto.
5112 * java/jcf.h: Ditto.
5113 * java/buffer.c: Ditto.
5114 * java/lang.c: Ditto.
5115 * java/parse-scan.y: Ditto.
5116 * java/lex.c: Ditto.
5117 * java/lex.h: Ditto.
5118 * cfgloopmanip.c: Ditto.
5119 * postreload-gcse.c: Ditto.
5120 * tree-ssa-loop-manip.c: Ditto.
5121 * postreload.c: Ditto.
5122 * tree-ssa-loop-ch.c: Ditto.
5126 * diagnostic.c: Ditto.
5128 * genoutput.c: Ditto.
5130 * cfghooks.c: Ditto.
5131 * cfgloopanal.c: Ditto.
5132 * objc/objc-act.c: Ditto.
5134 * genextract.c: Ditto.
5135 * genautomata.c: Ditto.
5136 * pretty-print.c: Ditto.
5138 * cgraphunit.c: Ditto.
5141 * haifa-sched.c: Ditto.
5142 * dominance.c: Ditto.
5144 * tree-ssa-loop-ivopts.c: Ditto.
5146 * mode-switching.c: Ditto.
5147 * modulo-sched.c: Ditto.
5149 * ipa-pure-const.c: Ditto.
5151 * fix-header.c: Ditto.
5153 * tree-stdarg.c: Ditto.
5154 * ipa-utils.c: Ditto.
5155 * loop-init.c: Ditto.
5156 * ipa-inline.c: Ditto.
5159 * alloc-pool.c: Ditto.
5160 * dwarf2out.c: Ditto.
5162 * genattrtab.c: Ditto.
5163 * tree-ssa-loop-ivcanon.c: Ditto.
5167 * fortran/gfortranspec.c: Ditto.
5169 * local-alloc.c: Ditto.
5170 * langhooks.c: Ditto.
5171 * function.c: Ditto.
5172 * tree-vectorizer.c: Ditto.
5174 * ipa-type-escape.c: Ditto.
5176 * tree-if-conv.c: Ditto.
5179 * tree-data-ref.c: Ditto.
5180 * loop-unroll.c: Ditto.
5181 * treelang/treetree.c: Ditto.
5184 * ggc-common.c: Ditto.
5186 * coverage.c: Ditto.
5188 * tree-cfgcleanup.c: Ditto.
5189 * tree-ssa-pre.c: Ditto.
5190 * cfgcleanup.c: Ditto.
5191 * loop-invariant.c: Ditto.
5193 * ipa-prop.c: Ditto.
5194 * print-tree.c: Ditto.
5195 * conflict.c: Ditto.
5196 * ggc-page.c: Ditto.
5197 * sched-deps.c: Ditto.
5198 * regclass.c: Ditto.
5199 * tree-object-size.c: Ditto.
5201 * bb-reorder.c: Ditto.
5202 * resource.c: Ditto.
5203 * var-tracking.c: Ditto.
5205 * df-problems.c: Ditto.
5206 * reg-stack.c: Ditto.
5209 * sched-rgn.c: Ditto.
5210 * tree-ssa-structalias.c: Ditto.
5211 * tree-ssa-reassoc.c: Ditto.
5212 * config/darwin-c.c: Ditto.
5213 * config/darwin.c: Ditto.
5214 * config/arm/arm.c: Ditto.
5216 * collect2.c: Ditto.
5219 2006-01-31 Nicolas Pitre <nico@cam.org>
5221 * arm.md (smaxsi3): Make aware of smax_m1.
5224 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
5226 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5228 2006-01-31 Richard Guenther <rguenther@suse.de>
5230 * doc/invoke.texi (-msselibm): Document.
5231 * target.h (expand_library_builtin): New target hook.
5232 * builtins.c (expand_builtin): Use expand_library_builtin.
5233 (default_expand_library_builtin): New function.
5234 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5235 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5236 (link_gcc_math_spec): Declare.
5237 (static_specs): Add link_gcc_math_spec.
5238 * expr.h (default_expand_library_builtin): Declare.
5239 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5240 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5241 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5242 * config/i386/i386.opt (msselibm): New target option.
5243 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5244 (ix86_init_sse_abi_builtins): New function.
5245 (ix86_expand_library_builtin): Likewise.
5246 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5247 (override_options): Handle error conditions wrt -msselibm.
5248 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5249 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5250 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5253 2006-01-31 Richard Guenther <rguenther@suse.de>
5254 Paolo Bonzini <bonzini@gnu.org>
5256 * doc/install.texi (--disable-libgcc-math): Document.
5258 2006-01-30 Marcin Dalecki <martin@dalecki.de>
5260 * expr.h (expand_normal): new inline function.
5261 * builtins.c: use it, use EXPAND_NORMAL explicitely.
5263 * dwarf2out.c: use it.
5268 * config/sparc/sparc.c: use it.
5269 * config/i386/i386.c: use it.
5270 * config/rs6000/rs6000.c: use it.
5271 * config/arm/arm.c: use it.
5272 * config/mips/mips.c: use it.
5273 * stmt.c: use it, use EXPAND_NORMAL explicitely.
5275 2006-01-30 Roger Sayle <roger@eyesopen.com>
5277 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5278 argv to the appropriate type.
5280 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5282 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5285 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5288 * config/s390/s390.c (struct machine_function): New flag
5289 decomposed_literal_pool_addresses_ok_p.
5290 (s390_reorg): Set it before final stage of literal pool transforms.
5291 (s390_decompose_address): Only accept displacements of the form
5292 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5294 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5296 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5297 the comparison routine return.
5299 2006-01-30 Michael Matz <matz@suse.de>
5301 * global.c (find_reg): Only evict for global regs.
5302 Take n_refs into account and dump more info.
5304 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5307 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5308 (pragma_trap, pragma_nosave_low_regs): Likewise.
5309 (current_function_anonymous_args): Likewise.
5310 (sh_deferred_function_attributes): New variable.
5311 (sh_deferred_function_attributes_tail): Likewise.
5312 (print_operand): For '@', look up trap_exit attribute.
5313 (calc_live_regs): Look up trapa_handler attribute. For trapa
5314 handlers, save/restore fpscr, but don't do any other
5315 interrupt-specific saves.
5316 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5317 Fix check for partially saved registers to check for SHmedia.
5318 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5319 (sh_output_function_epilogue): Don't clear any of the removed
5321 (sh_insert_attributes): Don't check pragma_interrupt.
5322 Insert deferred attributes. Check that interrupt attribute is
5323 present for other attributes that require its presence.
5324 (sh_attribute_table): Add new attributes trapa_handler and
5326 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5327 Don't check for pragma_interrupt. Don't store argument.
5328 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5329 (sh_deferred_function_attributes): Declare.
5330 (sh_deferred_function_attributes_tail): Likewise.
5331 * sh.md (sp_switch_1): Add operand. Change generator caller.
5332 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5333 (*return_i): Don't use when trap_exit attribute is in effect.
5334 (*return_trapa): New insn pattern.
5336 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
5337 setting c_target_objs and cxx_target_objs.
5338 * t-sh: Add rule for sh-c.o.
5340 2006-01-30 Richard Guenther <rguenther@suse.de>
5343 * gimplify.c (gimplify_target_expr): Handle easy cases
5344 without creating a temporary.
5346 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
5348 * vec.h (safe_grow): Remove duplicated line.
5350 2006-01-29 Diego Novillo <dnovillo@redhat.com>
5353 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
5354 (expand_omp): ... here.
5355 (expand_omp_parallel): Only remove barriers for combined
5356 parallel+workshare constructs.
5358 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5362 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
5363 * tree.c (build_qualified_type): Chain the new type to the original
5364 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
5365 a POINTER_TYPE or a REFERENCE_TYPE respectively.
5366 (build_pointer_type_for_mode): Only return unqualified types.
5367 (build_reference_type_for_mode): Likewise.
5369 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
5371 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
5372 * Makefile.in (CXX_COMPAT_WARN): Define.
5373 * configure: Regenerate.
5375 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
5378 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
5381 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5383 * toplev.c: Fix thinko.
5385 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5386 Marcin Dalecki <martin@dalecki.de>
5388 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
5389 (push_srcloc): Use XNEW.
5390 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
5392 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5394 * df-core.c (df_set_blocks): Deleted all variable.
5396 2006-01-28 Ian Lance Taylor <ian@airs.com>
5398 * cgraphunit.c (cgraph_assemble_pending_functions): Call
5399 cgraph_output_pending_asms.
5401 2006-01-28 Zack Weinberg <zackw@panix.com>
5403 * c.opt: Add -W(no-)overlength-strings.
5404 * doc/invoke.texi: Document it.
5405 * c-opts.c (c_common_handle_option): -pedantic implies
5406 -Woverlength-strings, if not explicitly disabled already.
5407 (c_common_post_options): -Woverlength-strings defaults to off, and
5408 is always off for C++.
5409 * c-common.c (fix_string_type): Issue warning about strings longer
5410 than is portable only if warn_overlength_strings. Rearrange code
5411 a little for clarity.
5412 * configure.in: Check for -Wno-overlength-strings as well before
5413 enabling -pedantic in stage 1.
5414 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
5415 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
5417 * genconditions.c (write_header, write_one_condition)
5418 (write_conditions, write_writer): Consolidate very long strings
5419 that were broken up to fit in C89 portable limit. Don't use
5420 printf when fputs will do.
5422 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
5424 * combine.c (simplify_comparison <AND>): Check
5425 TRULY_NOOP_TRUNCATION before start using a subreg.
5427 * config/mips/mips.md (*branch_zero<mode>,
5428 *branch_zero<mode>_inverted, *branch_equality<mode>,
5429 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
5430 Remove mode check from comparisons.
5432 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
5434 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
5436 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5438 * expmed.c (const_mult_add_overflow_p): Remove.
5439 * expr.h: Remove the prototype for const_mult_add_overflow_p.
5441 * recog.c (validate_replace_rtx_subexp): Remove.
5442 * recog.h: Remove the prototype for
5443 validate_replace_rtx_subexp.
5445 * integrate.h: Remove the prototype for
5446 copy_decl_for_inlining.
5447 * rtl.h: Remove the prototype for mark_constant_function.
5448 * tree-vectorizer.h: Remove the prototype for
5449 vect_strip_conversion.
5451 * modulo-sched.c (create_partial_schedule,
5452 free_partial_schedule, reset_partial_schedule): Make them
5455 * hooks.c (hook_bool_rtx_int_false): Remove.
5456 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
5458 2006-01-28 David Edelsohn <edelsohn@gnu.org>
5460 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5461 and -mlong-double-128 are incompatible.
5462 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
5463 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
5464 (TARGET_LIBGCC2_CFLAGS): Define.
5465 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
5466 (TARGET_LIBGCC2_CFLAGS): Same.
5467 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
5469 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5472 * c-typeck.c (build_binary_op): Perform implicit casts of
5473 operands before shortening them.
5475 * cfgloopmanip.c (split_loop_bb): Remove.
5476 * cfgloop.h: Remove the prototype for split_loop_bb.
5478 * cfgloop.c (flow_loop_outside_edge_p): Remove.
5479 * cfgloop.h: Remove the prototype for
5480 flow_loop_outside_edge_p.
5482 * emit-rtl.c (init_virtual_regs): Make it static.
5483 * function.h: Remove the prototype for init_virtual_regs.
5485 * recog.c (peephole2_optimize): Make it static.
5486 * recog.h: Remove the prototype for peephole2_optimize.
5488 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5490 * df-scan.c (df_record_entry_block_defs): Check if
5491 INCOMING_RETURN_ADDR_RTX is defined.
5493 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
5494 Kenneth Zadeck <zadeck@naturalbridge.com>
5496 PR rtl-optimization/24762
5497 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5498 * targhooks.c (hook_void_bitmap): New hook prototype.
5499 * targhoohs.h (hook_void_bitmap): Ditto.
5500 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
5501 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
5502 * target.h (live_on_entry): New function pointer.
5503 * df-scan.c (df_all_hard_regs): Removed.
5504 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
5505 (df_scan_free_internal): Added df->entry_block_defs.
5506 (df_scan_alloc): Ditto.
5507 (df_scan_dump): Ditto.
5508 (df_uses_record): Plumbed flag field properly thru calls.
5509 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
5510 This part fixes PR24762.
5511 (df_bb_refs_record): Added code to make the frame and arg
5512 pointers live in EH blocks.
5513 (df_refs_record): Added call to df_record_entry_block_defs.
5514 (df_record_entry_block_defs): New function.
5515 * df-core.c: Added comments to describe new artifical defs.
5516 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
5517 (entry_block_defs): New field in struct df.
5518 (df_all_hard_regs): Deleted.
5519 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5520 * df-problems.c (df_ru_bb_local_compute_process_def):
5521 Added code to handle artifical defs in the entry to a function.
5522 (df_ru_bb_local_compute): Ditto.
5523 (df_rd_bb_local_compute_process_def): Ditto.
5524 (df_rd_bb_local_compute): Ditto.
5525 (df_lr_bb_local_compute): Ditto.
5526 (df_ur_bb_local_compute): Ditto.
5527 (df_urec_bb_local_compute): Ditto.
5528 (df_chain_create_bb): Ditto.
5529 (df_ur_local_finalize): Removed entry.
5530 (df_urec_init): Ditto.
5531 (df_urec_local_finalize): Ditto.
5532 (df_ri_bb_compute): Added detection of last use of pseudos.
5533 * Makefile.in (df-scan.o): Updated dependencies.
5534 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
5535 * config/mips/mips.c (mips_set_live_on_entry): Added.
5536 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
5538 * dce.c (marked_insn_p): Added code to handle artifical defs.
5540 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5542 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
5544 (_mm_cvtsi128_si64): Likewise.
5545 (_mm_cvtsd_si64): Likewise.
5546 (_mm_cvttsd_si64): Likewise.
5547 (_mm_cvtsi64_sd): Likewise.
5548 (_mm_cvtsi64_si128): Likewise.
5549 * config/i386/mmintrin.h (_m_from_int64): Likewise.
5550 (_mm_cvtsi64_m64): Likewise.
5551 (_m_to_int64): Likewise.
5552 (_mm_cvtm64_si64): Likewise.
5553 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
5554 (_mm_cvttss_si64): Likewise.
5555 (_mm_cvtsi64_ss): Likewise.
5556 (_mm_cvtss_f32): Likewise.
5558 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
5560 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
5561 for pragma redefine_extname.
5563 2006-01-27 Jakub Jelinek <jakub@redhat.com>
5566 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
5567 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
5568 -mno-minimal-toc to previous content.
5569 (bispecs): Remove goal.
5570 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
5571 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
5572 compatibility aliases on powerpc-*-*gnu*.
5573 * config/rs6000/libgcc-ppc-glibc.ver: New file.
5574 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
5575 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
5576 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
5577 (ldblspecs): New goal.
5578 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
5579 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
5581 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
5582 L_sf_to_tf or L_df_to_tf is defined.
5584 2006-01-27 David Edelsohn <edelsohn@gnu.org>
5585 Alan Modra <amodra@bigpond.net.au>
5588 * config/rs6000/linux.h (POWERPC_LINUX): Define.
5589 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
5590 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
5591 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
5592 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
5593 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
5594 (rs6000_override_options): Initialize rs6000_ieeequad.
5595 Initialize TFmode format to ibm_extended_format if not
5597 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
5599 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
5600 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
5601 (function_arg_advance): IBM long double passed in two FPRs, not
5603 (function_arg): IBM long double passed in FPRs.
5604 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
5605 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
5606 Only multireg GPR aligned.
5607 (rs6000_init_libfuncs): Enable IBM long double functions if not
5609 (rs6000_generate_compare): Use IBM long double compare if not
5611 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
5612 (TARGET_IEEEQUAD): Define.
5613 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
5614 not TARGET_IEEEQUAD.
5615 * config/rs6000/rs6000.md: Enable TFmode patterns if
5617 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
5618 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5619 and -mlong-double-128 are incompatible.
5620 * doc/invoke.texi (-mabi): Collect options together. Add
5621 ibmlongdouble and ieeelongdouble.
5623 2006-01-27 Richard Sandiford <richard@codesourcery.com>
5625 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
5627 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
5628 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
5629 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
5630 * rtl.h (rtunion_def): Remove rt_ptr.
5632 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
5633 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
5634 * config/i386/winnt.c (i386_pe_mark_dllexport)
5635 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
5637 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
5639 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
5641 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5645 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
5646 pthread_key_delete. From John David Anglin. gthrw-ify
5647 pthread_getunique_np only if it it's not a macro. Delete
5649 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
5650 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
5651 __gthread_objc_condition_signal, __gthread_key_delete): Add
5652 "__attribute__ ((__unused__))" to unused arguments.
5653 (__gthread_recursive_mutex_init_function): Add missing return.
5654 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
5655 gthr-posix95.h: Use macro-based approach for name redirection
5656 on targets missing weakref.
5658 2006-01-26 Zack Weinberg <zackw@panix.com>
5660 * genconditions.c (write_header): In generated code, #ifdef out
5661 all includes and fake declarations, except includes of bconfig.h
5662 and system.h, unless GCC_VERSION >= 3001. Do not include
5663 gensupport.h in any case.
5664 (write_conditions): Generate a definition of struct c_test. Add
5665 a comment to the generated #endif.
5666 (write_one_condition): Escape backslashes in string too.
5667 (write_writer): Generated code must escape backslashes and quote
5668 marks (but not newlines) in the strings it writes.
5669 * Makefile.in (build/gencondmd.o): Update dependencies.
5671 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5674 * Makefile.in (insn-automata.o): Add header file dependencies.
5675 * genautomata.c: Add includes.
5677 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5680 * Makefile.in (insn-automata.o): Add -Wno-error flag.
5682 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5684 * configure.ac: Expect target tools paths to be passed from the toplevel
5685 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
5687 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
5689 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5692 * c.opt (Wpointer-sign): Init to -1.
5693 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
5694 OPT_pedantic, to 0 otherwise.
5695 * doc/invoke.texi: Update.
5697 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5699 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
5700 constants provided by 80387 instructions in the destination mode.
5702 2006-01-26 Richard Guenther <rguenther@suse.de>
5703 Andrew Pinski <pinskia@physics.uc.edu>
5706 partial PR tree-opt/17064
5707 * tree-ssa-structalias.c (intra_create_variable_infos):
5708 Create heap variables for incoming parameters if
5709 flag_argument_noalias > 1.
5710 (find_what_p_points_to): Look through default defs of
5713 2006-01-26 Jeff Law <law@redhat.com>
5716 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
5717 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
5718 within the VR_RANGE, use the VR_RANGE as the result, not the
5720 (adjust_range_with_scev): Reject ranges from SCEV which are out of
5721 bounds for the type.
5723 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
5725 * tree-ssa-alias.c (maybe_create_global_var): Change
5726 subvar walking to an assertion that we don't have subvar'd variables.
5728 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
5731 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
5732 Use a new variable, inner. PARM_DECLs are always non-weak.
5734 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
5736 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
5739 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
5741 * config/mips/mips.md (*clear_upper32): New combiner pattern.
5743 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
5745 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
5746 (smax_insn, smin_insn, smax_0, smin_0): New.
5748 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
5751 * config/cris/cris.c (cris_order_for_addsi3): New function.
5752 * config/cris/cris-protos.h: Prototype it.
5753 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
5754 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
5755 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
5756 (split for "op.S1 [rx=rx+i],ry (swapped)")
5757 (split for "op(s|u).S1 [rx=rx+i],ry")
5758 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
5759 Apply cris_order_for_addsi3 when generating addsi3 insns.
5761 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5763 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
5764 (TREE_BLOCK): Add call to EXPR_CHECK.
5766 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5769 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
5770 * tree-pretty-print.c (dump_omp_clause): Extract from ...
5771 (dump_omp_clauses): ... here.
5772 (dump_generic_node): Handle OMP_CLAUSE.
5773 * tree.c (omp_clause_num_ops): New.
5774 (omp_clause_code_name): New.
5775 (tree_code_size): Handle OMP_CLAUSE.
5776 (tree_size): Likewise.
5777 (make_node): Document handling of OMP_CLAUSE.
5778 (tree_node_structure): Handle OMP_CLAUSE.
5779 (omp_clause_check_failed): New.
5780 (omp_clause_range_check_failed): New.
5781 (omp_clause_operand_check_failed): New.
5782 (build_omp_clause): New.
5783 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
5784 * tree.h (enum omp_clause_code): Declare.
5785 (OMP_CLAUSE_SUBCODE_CHECK): Define.
5786 (OMP_CLAUSE_RANGE_CHECK): Define.
5787 (OMP_CLAUSE_ELT_CHECK): Define.
5788 (omp_clause_check_failed): Declare.
5789 (omp_clause_operand_check_failed): Declare.
5790 (omp_clause_range_check_failed): Declare.
5791 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
5792 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
5793 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
5794 (OMP_CLAUSE_LASTPRIVATE): Likewise.
5795 (OMP_CLAUSE_IF_EXPR): Likewise.
5796 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
5797 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
5798 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
5799 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
5800 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
5801 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
5802 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
5803 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
5804 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
5805 (OMP_CLAUSE_CODE): Define.
5806 (OMP_CLAUSE_SET_CODE): Define.
5807 (OMP_CLAUSE_CODE): Define.
5808 (OMP_CLAUSE_OPERAND): Define.
5809 (struct tree_omp_clause): Declare.
5810 (union tree_node): Add field 'omp_clause'.
5811 * treestruct.def (TS_OMP_CLAUSE): Define.
5812 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
5813 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
5814 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
5815 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
5816 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
5817 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
5818 (OMP_CLAUSE): Define.
5819 * print-tree.c (print_node): Handle OMP_CLAUSE.
5820 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
5821 * c-typeck.c: Likewise.
5822 * gimplify.c: Likewise.
5823 * c-omp.c: Likewise.
5824 * tree-nested.c: Likewise.
5825 * tree-inline.c: Likewise.
5826 * c-parser.c: Likewise.
5827 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
5830 2006-01-25 Roger Sayle <roger@eyesopen.com>
5832 PR rtl-optimization/25703
5833 * combine.c (try_combine): Handle zero_extract and strict_low_part
5834 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
5836 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
5838 * global.c: Fix comment typos.
5840 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
5843 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
5844 Use output_addr_const instead of assemble_name.
5846 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
5848 * Makefile.in (sched-vis.o): Update dependencies.
5849 * haifa-sched.c (sched_finish): Clear current_sched_info.
5850 * cfg.c (dump_bb_info): New, split from dump_flow_info.
5851 (dump_flow_info): Call it.
5852 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
5854 * basic-block.h (dump_bb_info): Declare.
5855 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
5856 option, and apply options only for dump files whose TDF_RTL,
5857 TDF_TREE, or TDF_IPA bits match.
5858 * rtl.h: Declare new functions exported from sched-vis.c.
5859 * sched-vis.c: Enable also if scheduling is not used.
5860 (print_value): Print the mode of registers if not inside scheduling.
5861 (print_insn): Make it work outside the scheduler. Beautify the output
5863 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
5865 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5867 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
5868 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
5869 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
5870 depending on the value of CONSTANT_POOL_ADDRESS_P.
5871 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
5873 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
5874 rather than SYMBOL_REF_DECL.
5875 (rtx_constant_pool): Remove const_rtx_sym_htab.
5876 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
5877 (init_varasm_status): Don't initialize const_rtx_sym_htab.
5878 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
5879 Remove handling of const_rtx_sym_htab.
5880 (find_pool_constant): Delete.
5881 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
5882 rather than find_pool_constant.
5883 (get_pool_constant_for_function): Delete.
5884 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
5886 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
5887 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
5888 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
5889 (SYMBOL_REF_CONSTANT): New macro.
5890 (get_pool_constant_for_function): Delete.
5891 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
5892 rather than SYMBOL_REF_DECL.
5893 (i386_pe_mark_dllimport): Likewise.
5894 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
5895 rather than SYMBOL_REF_DECL.
5896 * config/darwin.c (machopic_indirect_data_reference): Likewise.
5897 (machopic_indirect_call_target): Likewise.
5899 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
5901 * flow.c (delete_noop_moves): Add missing EOL to dump message.
5903 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5905 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
5907 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
5909 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
5911 2006-01-24 David Daney <ddaney@avtrex.com>
5914 * configure.ac (enable_tls): New enable option.
5915 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
5916 * configure: Regenerate.
5917 * doc/install.texi (--enable-tls): Document new option.
5918 (--disable-tls): Ditto.
5920 2006-01-24 Richard Henderson <rth@redehat.com>
5922 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
5923 * alias.c (true_dependence): Respect it.
5924 (canon_true_dependence, write_dependence_p): Likewise.
5925 * builtins.c (get_builtin_sync_mem): Set it.
5927 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
5929 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
5932 2006-01-24 DJ Delorie <dj@redhat.com>
5934 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
5935 for storing constants in single-bit bitfields.
5937 2006-01-25 Ben Elliston <bje@au.ibm.com>
5939 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
5941 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
5944 * tree-ssa-pre.c (phi_translate): Return NULL
5945 for AGGREGATE_TYPE's.
5947 2006-01-24 Zack Weinberg <zackw@panix.com>
5949 * genautomata.c (process_state_for_insn_equiv_partition):
5950 Use xcalloc for insn_arcs_array.
5951 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
5952 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
5954 2006-01-24 Richard Henderson <rth@redhat.com>
5956 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
5959 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
5961 PR rtl-optimization/25890
5962 PR rtl-optimization/25905
5963 * combine.c (expand_compound_operation, expand_field_assignment):
5964 Fail if the bitfield's final position is out of bounds.
5966 2006-01-24 Ian Lance Taylor <ian@airs.com>
5969 * cgraphunit.c (cgraph_output_in_order): Don't clear
5970 cgraph_asm_nodes until after asm strings have been output.
5972 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
5974 * fix-header.c (read_scan_file): Add new parameter imultilib when
5975 calling register_include_chains.
5977 2006-01-23 Diego Novillo <dnovillo@redhat.com>
5979 * omp-low.c: Update documentation.
5981 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5982 Daniel Berlin <dberlin@dberlin.org>
5986 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
5987 return from the function.
5989 2006-01-22 Zack Weinberg <zackw@panix.com>
5991 * rtl.def (match_code): Add second argument.
5992 * genpreds.c (write_extract_subexp): New function.
5993 (write_match_code): Add path argument. Use write_extract_subexp.
5994 (write_predicate_expr): Pass path to write_match_code.
5995 (mark_mode_tests): MATCH_CODE applied to a subexpression does
5996 not perform a mode test.
5997 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
5998 a subexpression does not constrain the top-level code set.
5999 * read-rtl.c (read_rtx_variadic): New function.
6000 (read_rtx_1): Use it; allow AND and IOR to be variadic.
6001 * doc/md.texi: Document new notation.
6002 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
6003 (cmpsi_operand): ... here, using new notation.
6005 2006-01-22 Zack Weinberg <zackw@panix.com>
6007 * varray.c: Remove GENERATOR_FILE #ifdefs.
6009 2006-01-22 Zack Weinberg <zackw@panix.com>
6011 * genautomata.c (output_reserved_units_table): Emit nothing if
6012 description->query_units_num is zero. Remove extra blank line.
6013 (output_cpu_unit_reservation_p): Short circuit
6014 if description->query_units_num is zero.
6016 2006-01-22 Zack Weinberg <zackw@panix.com>
6018 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6019 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6020 nor any of the random handful of variables that used to be necessary
6021 when this program was linked with rtlanal.o. Prune set of forward
6022 function declarations.
6023 (struct attr_desc): Remove static_p field.
6024 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6025 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6026 (attr_string): Do not read the character one past the length of
6028 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6029 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6030 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6031 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6032 (make_automaton_attrs): New.
6033 (main): Do not call into genautomata. Call local gen_bypass
6034 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6035 Remove special case for insn_alts.
6036 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6037 varray.h (leftover from previous change). Prune set of forward
6038 function declarations. Remove state_alts fields from all
6039 structures. Remove state_alts_table from struct automaton.
6040 Make everything except main static. Do not maintain num_dfa_decls.
6041 Do not maintain state_alts fields of various structures.
6042 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6043 (add_arc): Remove state_alts argument. All callers updated.
6044 (output_reserved_units_table): Emit #ifdef here...
6045 (output_tables): ...not here. Don't generate state_alts tables.
6046 (expand_automata): Don't generate attributes.
6047 (write_automata): Don't generate state_alts functions.
6048 (main): New function.
6049 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6050 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6051 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6052 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6053 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6054 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6055 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6056 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6058 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6059 * genattrtab.h: Delete file.
6060 * Makefile.in (OBJS-common): Add insn-automata.o.
6061 (insn-automata.o): New rule.
6062 (simple_generated_c): Add insn-automata.c.
6063 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6064 (genprogmd): Add automata.
6065 (build/genattrtab): Needs no extra objects nor libraries.
6066 (build/genautomata): Needs build/vec.o and -lm.
6068 2006-01-22 Zack Weinberg <zackw@panix.com>
6070 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6071 (output_dfa_max_issue_rate, locked_states_num): Delete.
6072 (struct automaton): Add locked_states field.
6073 (output_dead_lock_vect): Save number of locked states in
6074 automaton->locked_states. If it is zero, don't print anything.
6075 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6076 (output_internal_dead_lock_func): Only test the dead_lock_vect
6077 for automata that have locked states.
6078 (output_statistics): Always print the number of locked states for
6079 each automaton. Calculate total number of locked states here.
6080 (write_automata): Don't call output_dfa_max_issue_rate.
6081 * genattrtab.c: Define length_unit_log as a const variable.
6082 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6083 max_insn_queue_index const.
6084 * final.c (length_unit_log): Declare const.
6085 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6087 2006-01-22 Zack Weinberg <zackw@panix.com>
6089 * genautomata.c: Include vec.h, not varray.h.
6090 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6091 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6092 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6093 VEC_* macros operating on appropriately typed vectors, or to
6094 malloced arrays when the size is known in advance. Const-ify
6095 many char* variables and function arguments. No functional changes.
6096 * Makefile.in (build/varray.o): Delete rule.
6097 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6098 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6100 2006-01-22 Zack Weinberg <zackw@panix.com>
6102 * gensupport.c: Define get_insn_name and record_insn_name here.
6103 (read_md_rtx): Call record_insn_name as appropriate.
6104 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6105 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6106 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6108 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6109 (BUILD_VARRAY): Delete.
6110 (genprognormal): Rename genprogmd. Fold in all programs from
6111 genprognoprint; also attrtab.
6112 (build/genattrtab): Just mention genautomata.o and varray.o.
6113 Reorganize a bit, add comments to make the categories clearer.
6115 2006-01-22 Zack Weinberg <zackw@panix.com>
6117 * genconditions.c (condition_table, add_condition): Delete.
6118 (write_conditions): Don't emit n_insn_conditions nor
6119 insn_elision_unavailable. Issue the gcc version #ifdef here,
6120 inside the table, with no #else clause ...
6121 (write_header): ...not here.
6122 (write_writer): New function.
6123 (main): Don't initialize condition_table. Use add_c_test.
6125 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6126 files on the command line.
6127 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6128 Return -1 if there is no entry in the table, don't abort.
6129 (add_c_test, traverse_c_tests): New functions.
6130 * gensupport.h (insn_elision_unavailable, insn_conditions)
6131 (n_insn_conditions): Delete declarations.
6132 (add_c_test, traverse_c_tests): Declare.
6133 * read-rtl.c: Include gensupport.h.
6134 (read_conditions): New function.
6135 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6136 (read_rtx_1): If we get EOF when we were looking for an initial
6137 open paren, return 0. Call read_conditions when appropriate.
6138 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6139 dummy-conditions.o. Eliminate references to insn-conditions.o,
6140 or change them to build/gencondmd.o, as appropriate. Remove
6141 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6142 from $(simple_generated_c). For all files remaining in those
6143 two lists, add insn-conditions.md to the generator command line.
6144 Give insn-constants.h/s-constants their own rules. Add rules
6145 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6146 (build/read-rtl.o): Depend on gensupport.h.
6147 (genprognormal): Include preds.
6148 (genprogearly): Rename genprognoprint; only difference is now that
6149 they don't link with $(BUILD_PRINT).
6150 * dummy-conditions.c: Delete.
6152 2006-01-22 Zack Weinberg <zackw@panix.com>
6154 * genextract.c: Don't include insn-config.h. Do include vec.h.
6155 Declare vectors of int, char, and locstr.
6156 (locstr): New typedef.
6157 (struct extraction): Make all array fields into bare pointers.
6158 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6159 (insn_code_number): Delete.
6160 (accum_extract): New struct.
6161 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6162 (gen_insn): Take insn_code_number as an argument. Use an
6163 accum_extract structure instead of loading data directly into
6164 a struct extraction, and having to know how big it might get.
6165 (walk_rtx): Operate entirely on an accum_extract structure.
6166 (print_path): Avoid unnecessary use of printf.
6167 (print_header): New function, split out of main. Distinguish
6168 more carefully between an unrecognizable insn and an insn that
6169 has the code number of a define_expand.
6170 (main): Pass insn_code_number to gen_insn. Call print_header
6171 only after parsing. Avoid unnecessary use of printf.
6172 * Makefile.in (build/vec.o): New rule.
6173 (build/genextract): Depend on build/vec.o.
6174 (build/genextract.o): Don't depend on insn-config.h.
6176 2006-01-22 Zack Weinberg <zackw@panix.com>
6178 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6179 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6180 practical. Eliminate per-generator-program link rules.
6182 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6185 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6186 with a call expr to ...
6187 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6189 2006-01-23 Richard Guenther <rguenther@suse.de>
6191 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6192 before make_edge with conditional EDGE_TRUE_VALUE.
6194 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
6195 Jan Hubicka <jh@suse.cz>
6196 Richard Guenther <rguenther@suse.de>
6198 PR rtl-optimization/25654
6199 * cfgexpand.c (aggregate_contains_union_type): New function.
6200 (add_alias_set_conflicts): Call it. Make sure to add conflicts
6201 for structure variables that contain a union type.
6203 2006-01-23 Richard Sandiford <richard@codesourcery.com>
6205 * gengtype.c (new_structure): Return the structure.
6206 (create_option): Add an extra "next" argument.
6207 (create_field): New function.
6208 (adjust_field_rtx_def): Use create_option and create_field.
6209 Remove a now-unnecessary call to find_structure.
6210 (adjust_field_tree_def): Likewise.
6211 (note_yacc_type): Remove an unnecessary call to find_structure.
6212 * gengtype.h (new_structure): Return the structure.
6213 (create_option): Add an extra argument.
6214 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
6215 (option): Adjust calls to create_option.
6217 2006-01-22 David Edelsohn <edelsohn@gnu.org>
6219 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
6221 2006-01-22 Paul Brook <paul@codesourcery.com>
6222 Peter Barada <peter@the-baradas.com>
6224 * config/m68k/m68k.md: Add Coldfire FPU support.
6225 Define FP mode macro and associated attributes.
6226 Use it for float mode patterns.
6227 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6228 (LIBCALL_VALUE): Use m68k_libcall_value.
6229 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
6230 (m68k_function_value): Ditto.
6231 (emit_move_sequence): Ditto.
6232 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
6233 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
6234 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
6235 (MULTILIB_EXCEPTIONS): Ditto.
6236 * config/m68k/m68k.opt: Add mcfv4e.
6237 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
6238 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
6239 (m68k_output_function_prologue): Save ColdFire FPU registers.
6240 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
6241 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
6242 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
6243 ColdFire FPU registers.
6244 (m68k_libcall_value, m68k_function_value): New functions.
6245 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
6246 (LIBCALL_VALUE): Use m68k_libcall_value.
6247 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
6248 (MASK_COLDFIRE): Add MASK_CFV4E.
6249 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
6250 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
6251 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
6252 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
6253 (GO_IF_LEGITIMATE_ADDRESS): Use it.
6254 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
6255 * doc/invoke.tex: Document -mcfv4e on m68k.
6257 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6259 * doc/contribute.texi: Change CVS to SVN and update the corresponding
6262 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
6265 * c-opts.c (c_common_handle_option): Don't include
6266 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
6267 * doc/invoke.texi (C++ Dialect Options): Document that
6268 -Wnon-virtual-dtor is no longer included in -Wall.
6270 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
6272 * gcov.c (print_version), gcov-dump.c (print_version),
6273 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6276 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6278 * df-scan.c (problem_SCAN): Added NULL reset function.
6279 (df_scan_reset_blocks): Added code to call reset block function
6280 (df_bb_refs_delete) Fixed comment.
6281 (df_insn_refs_delete): Made tolerant of deleting non existent info
6282 for dataflow problems that need to be reset.
6283 * df-core.c (df_set_blocks): Ditto.
6284 * df.h (struct df_problem): Added reset_fun.
6285 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6286 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6287 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6288 functions to clear out all references to def-use or use-def chains.
6290 2006-01-21 Ben Elliston <bje@au.ibm.com>
6292 * varasm.c (assemble_real): Initialise data array.
6294 2006-01-20 Paul Brook <paul@codesourcery.com>
6296 Merge from csl-arm-branch.
6297 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6298 * config/arm/arm.md (movdi): Force operands[1] to a register
6299 if we have a non-register source.
6300 (*arm_movdi, *movdf_soft_insn): Require that one of the
6301 operands be a register.
6302 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6303 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6305 2006-01-20 DJ Delorie <dj@redhat.com>
6307 * varasm.c (initialize_constant_valid_p): Allow pointers
6308 initialized from integer constants of lesser precision.
6309 (output_constant): Allow non-int-sized pointer modes to be
6310 initialized from integer constants.
6312 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6315 * cppdefault.h (struct default_include): Add multilib flag.
6316 * cppdefault.c (cpp_include_defaults): Set it.
6317 * c.opt (-imultilib): New option.
6318 * c-opts.c (imultilib): New.
6319 (c_common_handle_option): Handle -imultilib.
6320 (c_common_post_options): Likewise.
6321 * c-incpath.c (add_standard_paths, register_include_chains):
6323 * c-incpath.h (register_include_chains): Add extra parameter.
6324 * gcc.c (do_spec_1): Generate -imultilib option.
6325 (The Specs Language): Update %I description.
6326 (process_command): Update copyright notice.
6327 * doc/cppopts.texi (-imultilib): Document.
6328 * doc/invoke.texi (-imultilib): Include in option summary.
6329 (%I): Update specs documentation.
6331 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6333 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6335 2006-01-20 Richard Sandiford <richard@codesourcery.com>
6337 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6340 2006-01-20 Richard Guenther <rguenther@suse.de>
6341 Steven Bosscher <stevenb.gcc@gmail.com>
6343 PR rtl-optimization/24626
6344 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
6345 EDGE_TRUE_VALUE if in RTL mode.
6348 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
6349 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
6351 2006-01-20 Dirk Mueller <dmueller@suse.com>
6354 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
6355 instead of a special NOP marker.
6356 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
6357 NOP marker handling.
6358 * c-common.h (empty_body_warning): Add forward declaration.
6359 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
6360 Now uses IS_EMPTY_STMT() instead of special NOP markers.
6362 2006-01-20 Paul Brook <paul@codesourcery.com>
6364 * Makefile.in (lang_checks): Keep going if mkdir fails.
6366 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6368 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
6369 be able to clean out basic block when not necessary.
6370 (df_scan_free): Fixed to properly delete information if df is
6371 unused before calling df_finish.
6372 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
6373 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
6375 (df_bb_refs_delete): New function.
6376 (df_refs_delete): Moved per block code to df_bb_refs_delete.
6377 * df-core.c (df_set_blocks): Added code to properly clean out
6378 unused blocks if they are not part of the blocks to consider.
6379 Added additional null check.
6380 (df_compact_blocks): Added basic block parameter to free_bb_fun to
6381 be able to clean out basic block when not necessary
6382 * df.h (df_free_bb_function): Ditto.
6383 (df_bb_refs_delete): New function.
6384 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
6385 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
6386 basic block parameter to be able to clean out basic block when not
6388 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
6389 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
6390 Fixed to properly delete information if df is unused before
6393 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6395 PR rtl-optimization/25799
6396 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
6397 Corrected confluence operator to remove bits from op2 before oring
6398 with op1 rather than removing bits from op1.
6399 (df_ru_transfer_function): Corrected test on wrong bitmap which
6400 caused infinite loop. Both of these problems were introduced in
6401 the dataflow rewrite.
6403 2006-01-19 DJ Delorie <dj@redhat.com>
6405 * reload1.c (find_reload_regs): Note the details of reload
6406 failures in the dump file.
6407 (spill_failure): Likewise.
6409 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6411 * loop-iv.c: Include df.h and hashtab.h.
6412 (enum iv_grd_result): New enum.
6413 (DF_REF_IV, DF_REF_IV_SET): New macros.
6414 (struct biv_entry): New.
6415 (df, bivs): New global variables.
6416 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
6417 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
6419 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
6420 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
6421 analyzed_for_bivness_p, record_biv): New functions.
6422 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
6423 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
6424 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
6426 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
6428 (iv_number_of_iterations): Use new interface to iv analysis.
6429 * loop-unroll.c: Do not include varray.h.
6430 (analyze_iv_to_split_insn): Use new interface to iv
6432 * loop-unswitch.c (may_unswitch_on): Ditto.
6433 * df.c (df_bitmaps_free): Only work for bbs for that structures are
6435 (df_bb_modify): Realloc tables to the new index.
6436 (df_find_use): New function.
6437 * df.h (df_find_use): Declare.
6438 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
6440 * cfgloop.h (struct rtx_iv): Remove analysed field.
6441 (iv_get_reaching_def): Removed.
6442 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
6443 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
6444 (loop-iv.o): Add df.h and hashtab.h dependency.
6445 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
6447 2006-01-20 Alan Modra <amodra@bigpond.net.au>
6450 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
6452 (__floatundisf, __floatundidf): Likewise.
6453 * libgcc2.h (IS_IBM_EXTENDED): Define.
6455 2006-01-19 DJ Delorie <dj@redhat.com>
6457 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
6459 2006-01-19 Paul Brook <paul@codesourcery.com>
6461 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
6462 as nothrow when unwinding tables are disabled.
6464 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6467 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
6468 of bit-field" when in system header.
6470 2006-01-19 DJ Delorie <dj@redhat.com>
6472 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
6473 the 16 bit shift limit of the m16c.
6475 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
6478 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
6479 * config/i386/i386.c (output_set_got): Output the label if we have one
6480 for the TARGET_DEEP_BRANCH_PREDICTION case.
6482 2006-01-19 Jan Hubicka <jh@suse.cz>
6483 H.J. Lu <hongjiu.lu@intel.com>
6484 Evandro Menezes <evandro.menezes@amd.com>
6486 * invoke.texi (generic): Document
6488 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
6489 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
6490 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
6491 (x86_use_incdec, x86_pad_returns): New variables
6492 (TARGET_CPU_DEFAULT_generic): New constant
6493 (TARGET_CPU_DEFAULT_NAMES): Add generic.
6494 (enum processor_type): Add generic32 and generic64.
6495 * i386.md (cpu attribute): Add generic32/generic64
6496 (movhi splitter): Behave sanely when both partial_reg_dependency and
6497 partial_reg_stall are set.
6498 (K8 splitters): Enable for generic as well.
6499 * predicates.md (incdec_operand): Use TARGET_INCDEC
6500 (aligned_operand): Avoid memory mismatch stalls.
6501 * athlon.md: Enable for generic64, new patterns for 128bit moves.
6502 * ppro.md: Enable for generic32
6503 * i386.c (generic64_cost, generic32_cost): New.
6504 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
6505 (x86_use_leave): Enable for generic64. (x86_use_sahf,
6506 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
6507 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
6508 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
6509 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
6510 x86_partial_reg_dependency, x86_memory_mismatch_stall,
6511 x86_accumulate_outgoing_args, x86_prologue_using_move,
6512 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
6513 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
6515 (x86_use_incdec, x86_pad_returns): New.
6516 (override_options): Add generic32 and generic64, translate "generic"
6517 to generic32/generic64 and "i686" to "generic32", refuse
6518 "generic32"/"generic64" as arch target.
6519 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
6520 (ix86_reorg): Honor PAD_RETURNS.
6522 2006-01-19 Diego Novillo <dnovillo@redhat.com>
6524 * tree-pretty-print.c (dump_generic_node): Handle
6525 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
6526 * cgraph.c (cgraph_expand_queue): Rename from
6527 cgraph_analyze_queue. Update all users.
6528 * cgraphunit.c (cgraph_assemble_pending_functions): Process
6529 cgraph_expand_queue.
6530 (cgraph_expand_all_functions): Likewise.
6531 (cgraph_finalize_pending_functions): Remove. Update callers.
6533 * tree.h (OMP_DIRECTIVE_P): Define.
6534 (OMP_PARALLEL_FN): Define.
6535 (OMP_PARALLEL_DATA_ARG): Define.
6536 (OMP_SECTIONS_SECTIONS): Define.
6537 * tree-pass.h (pass_expand_omp): Declare.
6538 * omp-low.c (struct omp_region): Declare.
6539 (struct omp_context): Remove fields 'parallel_type',
6540 'parallel_start_ix' and 'parallel_start_additional_args'.
6542 (struct omp_for_data): Rename from struct expand_omp_for_data.
6543 (omp_regions): New static variable.
6544 (root_omp_region): New static variable.
6545 (find_omp_clause): Make static.
6546 (is_in_combined_parallel_ctx): Remove.
6547 (is_combined_parallel): New.
6548 (extract_omp_for_data): Move earlier in the file.
6549 (workshare_safe_to_combine_p): New.
6550 (get_ws_args_for): New.
6551 (determine_parallel_type): Move earlier in the file.
6552 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
6554 (omp_copy_decl): Likewise.
6555 (create_omp_child_function): Likewise.
6556 (lookup_omp_region): New.
6557 (dump_omp_region): New.
6558 (debug_omp_region): New.
6559 (debug_all_omp_regions): New.
6560 (new_omp_region): New.
6561 (scan_omp_parallel): If parallel_nesting_level > 1, the
6562 directive is nested within another parallel directive.
6563 Set OMP_PARALLEL_FN.
6564 (scan_omp_for): Do not try to handle combined parallel+for
6566 Remove FIXME comment.
6567 (scan_omp_nested): Remove.
6568 (scan_omp_1): Do not call scan_omp_nested when
6569 parallel_nesting_level is > 1.
6570 Do not change the DECL_CONTEXT of local variables found.
6571 (lookup_decl_in_outer_ctx): New.
6572 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
6573 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
6574 (lower_reduction_clauses): Rename from expand_reduction_clauses.
6575 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
6576 If CTX is nested, lookup VAR in the outer context when
6577 building copy assignment.
6578 (lower_send_clauses): Rename from expand_send_clauses.
6579 If CTX is nested, lookup VAR in the outer context when
6580 building copy assignments.
6581 (lower_send_shared_vars): Rename from expand_send_shared_vars.
6582 If CTX is nested, lookup VAR in the outer context when
6583 building copy assignments.
6584 (expand_parallel_call): Rename from build_parallel_call.
6585 Handle combined parallel+workshare cases.
6586 Re-implement to emit code into the CFG.
6588 (expand_omp_parallel): Re-implement to emit code into the CFG.
6589 Call move_sese_region_to_fn to outline the sub-graph
6590 containing the parallel region.
6591 (expand_omp_for_1): Remove.
6592 (expand_omp_for_generic): Re-implement to emit code into the
6594 (expand_omp_for_static_nochunk): Likewise.
6595 (expand_omp_for_static_chunk): Likewise.
6596 (expand_omp_for): Likewise.
6597 (expand_omp_sections): Likewise.
6598 (remove_exit_barriers): New.
6599 (expand_omp_synch): New.
6601 (build_omp_regions_1): New.
6602 (build_omp_regions): New.
6603 (execute_expand_omp): New.
6604 (gate_expand_omp): New.
6605 (pass_expand_omp): Define.
6606 (lower_omp_sections): Rename from expand_omp_sections.
6607 Set OMP_SECTIONS_SECTIONS.
6608 (lower_omp_single_simple): Rename from expand_omp_single_simple.
6609 (lower_omp_single_copy): Rename from expand_omp_single_copy.
6610 (lower_omp_single): Rename from expand_omp_simple.
6611 (lower_omp_master): Rename from expand_omp_master.
6612 (lower_omp_ordered): Rename from expand_omp_ordered.
6613 (lower_omp_critical): Rename from expand_omp_critical.
6614 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
6615 (lower_omp_for): Re-implement.
6616 (lower_omp_parallel): Re-implement.
6617 (lower_regimplify): Rename from expand_regimplify.
6618 (lower_omp_1): Rename from expand_omp_1.
6619 If there are syntax errors in the program, replace every
6620 OpenMP directive with NOP.
6621 Call lower_omp_* instead of expand_omp_*.
6622 (lower_omp): Rename from expand_omp.
6624 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
6625 * tree-gimple.h (enum omp_parallel_type): Remove.
6626 (gimple_boolify): Declare extern.
6627 (find_omp_clause, determine_parallel_type): Remove.
6629 * gimple-low.c (lower_omp_directive): New.
6630 (lower_stmt): Call it.
6631 (record_vars_into): Move from ...
6632 (record_vars): ... here.
6633 Call record_vars_into with current_function_decl.
6635 * gimplify.c (struct gimplify_ctx): Remove fields
6636 combined_pre_p and combined_ctxp. Update users.
6637 (get_formal_tmp_var): Add documentation.
6638 (gimple_boolify): Make extern.
6639 (gimplify_expr_in_ctx): Remove. Update callers.
6640 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
6641 will always be a BIND_EXPR.
6642 (gimplify_expr): Handle OMP_RETURN_EXPR.
6643 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
6644 (OMP_PARALLEL): Add 3 operands.
6645 (OMP_SECTIONS): Add 1 operand.
6646 (OMP_RETURN_EXPR): Define.
6648 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
6649 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
6650 * tree-iterator.c (alloc_stmt_list): Assert that we are not
6651 creating a circular free list.
6652 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
6654 * tree-flow.h (move_sese_region_to_fn): Declare.
6655 (record_vars_into): Declare.
6656 * tree-cfg.c (make_omp_sections_edges): New.
6657 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
6658 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
6659 OMP_SECTIONS and OMP_SECTION.
6660 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
6661 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
6662 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
6663 (gather_blocks_in_sese_region): New.
6664 (struct move_stmt_d): Declare.
6666 (move_block_to_fn): New.
6667 (move_sese_region_to_fn): New.
6669 * passes.c (init_optimization_passes): Schedule
6670 pass_expand_omp after pass_init_datastructures.
6672 * tree-ssa-operands.c (get_expr_operands): Handle
6673 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
6674 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
6676 2006-01-19 Jeff Law <law@redhat.com>
6678 * tree-vrp.c (extract_range_from_assert): Refine the result range
6679 if the variable referenced by the ASSERT_EXPR has a range and
6680 either the tentative result range or the previous range is a
6683 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6685 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
6687 2006-01-19 Jan Hubicka <jh@suse.cz>
6689 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
6691 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
6693 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
6694 (expand_compound_operation, expand_field_assignment): Fail if the
6695 bit lengths of an extract operation are out of range.
6696 (make_extraction): Compute wanted_inner_mode based on the position
6697 and length of the extraction. Make it extraction_mode for non-constant
6698 positions, and do not modify offset in that case. When generating a
6699 new MEM, use a mode that can hold the extraction while keeping correct
6700 alignment. Remove code that supported MEMs wrapped by USEs.
6701 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
6703 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
6705 * config/s390/s390.md ("Y", "y"): New mode attribute.
6706 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6707 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
6708 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
6709 "*addsi3_imm_cc", "*addsi3_carry1_cc",
6710 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
6711 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
6712 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
6713 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
6714 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
6715 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
6716 "addsi3", "subsi3"): Insn patterns removed.
6717 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
6718 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
6719 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
6720 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
6721 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
6722 "*sub<mode>3_cconly2"): New insn patterns.
6723 ("addsi3", "subsi3"): New expanders.
6725 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
6727 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
6728 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
6729 existing STMT_VINFO_VECTYPE if available.
6730 (vect_mark_relevant): Add special handling for stmts that are
6731 marked as STMT_VINFO_IN_PATTERN_P.
6732 (vect_analyze_loop): Call vect_pattern_recog.
6733 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
6734 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
6736 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
6737 (vect_recog_func_ptr): New function-pointer type.
6738 * tree-vect-patterns.c: New file.
6739 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
6740 (vect_recog_dot_prod_pattern, vect_pattern_recog):
6741 (vect_pattern_recog_1): New functions.
6742 (vect_pattern_recog_funcs): New array of function pointers.
6744 * tree-vectorizer.h (ternary_op): New enum value.
6745 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
6746 declaration. Revised documentation. Removed redundant dump prints.
6747 Removed redundant argument. Added support for reduction patterns.
6748 (vectorizable_reduction): Added support for reduction patterns.
6749 (vect_transform_stmt): Added support for patterns.
6751 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
6752 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
6753 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
6754 (expand_widen_pattern_expr): New function.
6755 (init_optabs): Initialize new optabs udot_prod_optab,
6757 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
6758 (sdot_prod_optab, udot_prod_optab): Define new optabs.
6759 (expand_widen_pattern_expr): New function declaration.
6760 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
6762 * tree-inline.c (estimate_num_insns_1): Added cases for new
6763 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6764 * tree-pretty-print.c (dump_generic_node): Likewise.
6765 (op_prio): Likewise.
6766 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6767 * tree-ssa-operands.c (get_expr_operands): Added case for
6769 * tree-vect-patterns.c (widened_name_p): New function.
6770 (vect_recog_dot_prod_pattern): Added function implementation.
6771 * tree-vect-transform.c (get_initial_def_for_reduction): Added
6772 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
6773 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
6774 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
6776 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
6777 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
6778 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
6779 (init_optabs): Initialize new optabs widen_ssum_optab,
6781 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
6782 (widen_ssum_optab, widen_usum_optab): Define new optabs.
6783 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
6784 use instead of type of def.
6785 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
6786 function implementation.
6787 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
6788 widen_ssumv8hi): New.
6790 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
6793 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6796 * c-decl.c (add_flexible_array_elts_to_size): New function.
6797 (finish_decl): Use it.
6799 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
6801 * diagnostic.h: Include options.h.
6802 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
6803 dependancies for diagnostic.h.
6804 * Makefile.in (DIAGNOSTIC_H): Add options.h.
6806 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
6808 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
6809 (ssa_ro_call_cache_valid): Ditto.
6810 * tree-ssa-alias.c (sort_tags_by_id): New function.
6811 (init_transitive_clobber_worklist): Ditto.
6812 (add_to_worklist): Ditto.
6813 (mark_aliases_call_clobbered): Ditto.
6814 (compute_tag_properties): Ditto.
6815 (set_initial_properties): Ditto.
6816 (compute_call_clobbered): Ditto.
6817 (compute_may_aliases): Call compute_call_clobbered and grouping.
6818 (compute_flow_sensitive_aliasing): Remove clobbering related code.
6819 (compute_flow_insensitive_aliasing): Grouping now happens in our
6821 (setup_pointers_and_addressables): Remove clobbering related code.
6822 (add_may_alias): Ditto.
6823 (replace_may_alias): Ditto.
6824 (get_nmt_for): Ditto.
6825 (create_global_var):
6826 (is_escape_site): Return an escape_type enumeration.
6827 * tree-flow-inline.h (is_call_clobbered): Global var does not
6828 imply call clobbered.
6829 (mark_call_clobbered): Take a reason for marking this. Remove
6830 marking of globalness, and cache invalidation.
6831 (clear_call_clobbered): Remove cache invalidation code.
6832 * tree-dfa.c (dump_variable): If details is on, dump the reason
6834 * tree-outof-ssa.c (create_temp): Copy escape mask from original
6836 * tree-flow.h (struct ptr_info_def): Add escape mask member.
6837 (struct var_ann_d): Ditto.
6838 (enum escape_type): New.
6839 (mark_call_clobbered): Adjust prototype.
6840 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
6841 are never call clobbered.
6842 Record reasons for escaping.
6843 * tree-ssa-structalias.h (is_escape_site): Update prototype.
6844 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
6845 (ssa_ro_call_cache_valid): Ditto.
6846 (clobbered_v_may_defs): Ditto.
6847 (clobbered_vuses): Ditto.
6848 (ro_call_vuses): Ditto.
6849 (clobber_stats): New.
6850 (init_ssa_operands): Zero out clobber stats.
6851 (fini_ssa_operands): Print out clobber stats.
6852 (get_call_expr_operands): Pass callee fndecl to
6854 (add_call_clobber_ops): Remove use of cache.
6855 Add use of PURE_CONST information.
6856 (add_call_read_ops): Remove use of cache.
6857 Add use of static not_read information.
6859 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
6861 Introduce TLS descriptors for i386 and x86_64.
6862 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
6863 (TARGET_ANY_GNU_TLS): New macro.
6864 (enum tls_dialect): Added TLS_DIALECT_GNU2.
6865 (struct machine_function): Add tls_descriptor_call_expanded_p.
6866 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
6867 (ix86_current_function_calls_tls_descriptor): Likewise.
6868 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
6869 (override_options): Introduce gnu2 tls dialect.
6870 (ix86_frame_pointer_required): Functions containing TLSCALLs are
6872 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
6874 (legitimize_tls_address): Adjust logic for GNU2 TLS.
6875 (ix86_init_machine_status): Initialize new field.
6876 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
6877 (ix86_tls_module_base): New.
6878 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
6879 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
6880 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
6881 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
6882 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
6883 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
6884 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
6885 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
6886 * config/i386/predicates.md (tls_modbase_operand): New.
6887 (tp_or_register_operand): New.
6889 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
6891 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
6892 (look_for_address_of): Ditto.
6893 (ipa_init): Walk the function decls.
6894 (static_execute): Don't set readonly on FUNCTION_DECL's.
6896 2006-01-18 Roger Sayle <roger@eyesopen.com>
6898 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
6899 for shifts where the source and destination registers are different.
6901 2006-01-18 Paul Brook <paul@codesourcery.com>
6903 Merge from csl-arm-branch.
6904 2005-03-14 Julian Brown <julian@codesourcery.com>
6905 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
6906 (aeabi_llsl): Likewise.
6907 (ashrdi3): Likewise.
6908 (aeabi_lasr): Likewise.
6909 (lshrdi3): Likewise.
6910 (aeabi_llsr): Likewise.
6911 2005-03-10 Julian Brown <julian@codesourcery.com>
6912 * config.gcc: Disable shared libgcc for SymbianOS.
6913 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
6915 2006-01-18 DJ Delorie <dj@redhat.com>
6917 * c-pragma.c (handle_pragma_diagnostic): New.
6918 (init_pragma): Register it.
6919 * doc/extend.texi: Document it.
6921 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
6922 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
6923 (diagnostic_context): Add classify_diagnostic[].
6924 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
6925 as errors if they're overridden to DK_WARNING.
6926 (diagnostic_initialize): Initialize classify_diagnostic[].
6927 (diagnostic_set_kind_override): New.
6928 (diagnostic_report_diagnostic): Check for kind changes.
6929 * opts.c (common_handle_option): Take lang_mask. Update callers.
6931 * common.opt (Werror=): New.
6932 * doc/invoke.texi: Document -Werror=*
6934 2006-01-18 Jeff Law <law@redhat.com>
6936 * tree-vrp.c (test_for_singularity): Correct test for new
6937 min limit. Use operand_equal_p rather than pointer equality
6938 for testing if new min/max values are equal.
6940 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
6941 using range information until after propagation and folding.
6943 2006-01-18 Richard Henderson <rth@redhat.com>
6944 Aldy Hernandez <aldyh@redhat.com>
6945 Jakub Jelinek <jakub@redhat.com>
6946 Diego Novillo <dnovillo@redhat.com>
6948 * omp-low.c: New file.
6949 * c-omp.c: New file.
6951 2006-01-18 Richard Henderson <rth@redhat.com>
6952 Jakub Jelinek <jakub@redhat.com>
6953 Diego Novillo <dnovillo@redhat.com>
6955 * doc/invoke.texi: Document -fopenmp.
6956 * tree-dump.h (debug_function): Declare.
6957 * hooks.c (hook_bool_tree_bool_false): New function.
6958 (hook_tree_tree_null): Remove.
6959 (hook_tree_tree_tree_null): New.
6960 * hooks.h: Update to match.
6961 * tree-pretty-print.c (debug_tree_chain): New.
6962 (print_generic_expr): Handle TDF_CHAIN.
6963 (dump_generic_node): Handle BLOCK.
6964 Do not abort with incomplete SWITCH_EXPRs.
6965 Do not dump body of an OpenMP directive if TDF_SLIM is given.
6966 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
6967 print space after directive name.
6968 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
6969 Handle OMP_MASTER and OMP_ORDERED.
6970 Handle printing of OMP_BODY just in one place, goto
6971 dump_omp_body in the rest of OMP_* nodes that have
6973 Don't handle clause nodes here. Update omp statements to
6974 use dump_omp_clauses.
6975 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
6976 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
6977 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
6978 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
6979 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
6980 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
6981 Adjust output for GOMP_PARALLEL.
6982 (dump_omp_clauses): New.
6983 (print_declaration): Dump DECL_VALUE_EXPR.
6984 (op_symbol_1): Split out of op_symbol.
6985 (dumping_stmts): Remove. Update all users.
6986 * cgraph.c (cgraph_analyze_queue): New.
6987 (cgraph_add_new_function): New.
6988 * cgraph.h (cgraph_analyze_queue): Declare.
6989 (cgraph_add_new_function): Declare.
6990 (cgraph_lower_function): Remove.
6991 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
6992 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
6993 and TYPE_P nodes in its default clause.
6994 (empty_body_p): New.
6995 (tree_range_check_failed): New.
6997 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
6998 OMP_CLAUSE_REDUCTION_MERGE,
6999 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
7000 OMP_CLAUSE_PRIVATE_DEBUG,
7001 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
7002 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
7003 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
7004 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7005 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7006 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7007 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7008 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7009 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7010 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7011 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7012 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7013 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7014 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7015 (TREE_RANGE_CHECK): New.
7016 (empty_body_p): Declare.
7017 (enum omp_clause_default_kind): New.
7018 (build_string_literal): Declare.
7019 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7020 (build5_stat, build5): Declare.
7021 * tree-pass.h (TDF_CHAIN): Define.
7022 * tree-pass.h (PROP_gimple_lomp): Define.
7023 (pass_lower_omp): Declare.
7024 * diagnostic.h (debug_tree_chain): Declare.
7025 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7027 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7028 * builtins.c (build_string_literal): Make extern.
7029 * gcc.c (include_spec_function): New.
7030 (static_spec_functions): Add it.
7031 (main): Move load of libgomp.spec ...
7032 (LINK_COMMAND_SPEC): ... here.
7033 (link_gomp_spec): New.
7034 (static_specs): Include it.
7035 (LINK_COMMAND_SPEC): Add link_gomp.
7036 (GOMP_SELF_SPECS): New.
7037 (driver_self_specs): Include it.
7038 (switch_matches): Don't mark inline.
7039 (main): Load libgomp.spec.
7040 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7041 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7042 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7043 * tree-gimple.h (enum omp_parallel): Declare.
7044 (determine_parallel_type): Declare.
7045 (omp_firstprivatize_variable): Declare.
7046 (omp_reduction_init): Declare.
7047 (diagnose_omp_structured_block_errors): Declare.
7048 (struct walk_stmt_info): Add want_return_expr.
7049 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7050 (find_omp_clause): Declare.
7051 (insert_field_into_struct): Declare.
7052 (struct walk_stmt_info): Move from tree-nested.c
7053 (walk_stmts): Declare.
7054 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7056 * cgraphunit.c (cgraph_lower_function): Make static.
7057 (cgraph_finalize_pending_functions): New.
7058 (cgraph_finalize_function): Call it.
7059 (cgraph_finalize_compilation_unit): Likewise.
7060 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7061 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7062 (BT_FN_UINT_UINT): New.
7063 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7064 DEF_FUNCTION_TYPE_VAR_4): Document.
7065 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7066 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7067 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7068 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7069 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7070 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7071 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7072 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7073 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7074 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7075 into separate files.
7076 (DEF_GOMP_BUILTIN): New.
7077 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7078 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7079 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7080 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7081 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7082 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7083 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7084 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7085 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7086 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7087 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7088 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7089 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7090 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7091 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7092 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7093 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7094 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7095 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7096 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7097 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7098 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7099 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7100 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7101 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7102 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7103 * sync-builtins.def: New file, moved from builtins.def.
7104 * omp-builtins.def: New file, moved from builtins.def.
7105 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7106 * gimple-low.c (lower_function_body): Clear data.
7107 (lower_stmt): Do not handle COMPOUND_EXPR.
7108 Remove call to print_node_brief.
7109 * c-tree.h (c_finish_omp_clauses): New prototype.
7110 (C_DECL_THREADPRIVATE_P): Define.
7111 (lookup_name_no_remap, c_omp_remap_private): Remove
7112 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7113 (check_for_loop_decls): Update decl.
7114 (lookup_name_no_remap, c_omp_remap_private): Declare.
7115 (build_indirect_ref, build_modify_expr, pushdecl,
7116 pushdecl_top_level): Move to c-common.h.
7117 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7118 before the switch, but just in the 2 places that need it.
7119 * c-decl.c (diagnose_mismatched_decls): Do not check for
7120 mismatched thread-local attributes when OLDDECL is marked
7121 threadprivate and NEWDECL has no thread-local attributes.
7122 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7123 (c_gimple_diagnostics_recursively): Rename from
7124 c_warn_unused_result_recursively. Invoke
7125 diagnose_omp_structured_block_errors.
7126 (check_for_loop_decls): Return a singular decl found.
7127 * langhooks.c (lhd_omp_predetermined_sharing): Return
7128 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7129 (lhd_omp_firstprivatize_type_sizes): New.
7130 (lhd_omp_assignment): New.
7131 (lhd_omp_predetermined_sharing): New.
7132 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7133 (struct lang_hooks_for_types): Add
7134 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7135 omp_predetermined_sharing, omp_disregard_value_expr,
7136 omp_private_debug_clause, omp_clause_default_ctor,
7137 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7138 (c_finish_omp_clauses): New.
7139 (c_finish_bc_stmt): Diagnose break within omp for.
7140 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7141 (build_unary_op): Return error_mark after reporting
7143 (build_modify_expr): Likewise.
7144 * gimplify.c: Include optabs.h and pointer-set.h.
7145 (enum gimplify_omp_var_data): Declare.
7146 (struct gimplify_omp_ctx): Declare.
7147 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7149 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7150 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7151 (splay_tree_compare_decl_uid): New.
7152 (new_omp_context): New.
7153 (delete_omp_context): New.
7154 (gimple_add_tmp_var): Call omp_add_variable.
7155 (gimplify_bind_expr): Likewise.
7156 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7157 true, disregard DECL_VALUE_EXPR on the decl if any.
7158 (gimplify_expr_in_ctx): New.
7159 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7160 omp_add_variable, omp_notice_variable, omp_is_private
7161 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7162 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7163 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7164 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7165 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7166 gimplify_omp_atomic): New.
7167 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7168 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7169 OMP_CRITICAL and OMP_ATOMIC.
7170 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7171 * c-pragma.h (enum pragma_kind): Add
7172 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7173 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7174 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7175 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7176 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7177 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7178 PRAGMA_OMP_THREADPRIVATE.
7179 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7180 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7181 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7182 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7183 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7184 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7185 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7186 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7187 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7188 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7189 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7190 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7191 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
7193 (struct nesting_info): Add field_map,
7194 suppress_expansion, debug_var_chain.
7195 (create_nesting_tree): Initialize them.
7196 (lookup_field_for_decl): Use field_map.
7197 (get_nonlocal_debug_decl, get_local_debug_decl): New.
7198 (convert_local_omp_clauses): New.
7199 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
7200 (walk_body): Split out of walk_function.
7201 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
7202 (convert_nonlocal_reference): Handle omp statements.
7203 (convert_local_reference): Likewise.
7204 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
7205 (unnest_nesting_tree): New.
7206 (lower_nested_functions): Call it.
7207 (insert_field_into_struct): Make extern.
7208 (struct walk_stmt_info): Move to tree-gimple.h.
7209 (walk_stmts): Make extern.
7210 * omp-builtins.def: New file.
7211 * tree-iterator.c (expr_only): Clarify comment.
7212 * c-common.h (pushdecl_top_level, pushdecl,
7213 build_modify_expr, build_indirect_ref,
7214 c_finish_omp_master, c_finish_omp_critical,
7215 c_finish_omp_ordered, c_finish_omp_barrier,
7216 c_finish_omp_atomic, c_finish_omp_flush,
7217 c_finish_omp_for, c_split_parallel_clauses,
7218 omp_clause_default_kind, c_omp_sharing_predetermined,
7219 c_omp_remap_decl): Declare.
7220 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
7221 (OBJS-common): Add omp-low.o.
7222 (c-omp.o, omp-low.o): Add.
7223 (gimplify.o): Add dependency on $(OPTABS_H).
7224 (GTFILES): Add omp-low.c.
7225 (gt-stringpool.h): Add.
7226 * tree-cfg.c (set_bb_for_stmt): Do not update the
7227 block-to-labels map if we are currently expanding to RTL.
7228 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
7230 Handle IDENTIFIER_NODE.
7231 (tree_verify_flow_info): Do not ICE when emitting error
7232 messages about invalid labels.
7233 (dump_function_to_file): Reset CFUN before emitting the body
7235 (debug_function): New.
7236 * passes.c (init_optimization_passes): Schedule
7238 * langhooks-def.h (lhd_omp_predetermined_sharing,
7239 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
7241 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
7242 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
7243 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
7244 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
7245 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
7246 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
7247 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
7248 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
7249 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
7250 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
7251 (LANG_HOOK_DECLS): Use them.
7253 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
7254 Richard Henderson <rth@redhat.com>
7255 Jakub Jelinek <jakub@redhat.com>
7256 Diego Novillo <dnovillo@redhat.com>
7258 * c-parser.c (pragma_omp_clause): Define.
7259 (c_parser_declaration_or_fndef): Document OpenMP syntax.
7260 (c_parser_compound_statement): Likewise.
7261 (c_parser_statement): Likewise.
7262 (c_parser_pragma): Handle omp pragmas.
7263 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
7264 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
7265 (c_parser_omp_clause_name, check_no_duplicate_clause,
7266 c_parser_omp_variable_list,
7267 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
7268 c_parser_omp_clause_copyprivate,
7269 c_parser_omp_clause_default,
7270 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
7271 c_parser_omp_clause_lastprivate,
7272 c_parser_omp_clause_nowait,
7273 c_parser_omp_clause_num_threads,
7274 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
7275 c_parser_omp_clause_reduction,
7276 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7277 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7278 c_parser_omp_atomic, c_parser_omp_barrier,
7279 c_parser_omp_critical, c_parser_omp_flush,
7280 c_parser_omp_for_loop, c_parser_omp_for,
7281 c_parser_omp_master, c_parser_omp_ordered,
7282 c_parser_omp_sections_scope, c_parser_omp_sections,
7283 c_parser_omp_parallel, c_parser_omp_single,
7284 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7285 * c-pragma.c (init_pragma): Do omp pragma registration here.
7286 * c.opt (fopenmp): New flag.
7288 2006-01-18 Eric Christopher <echristo@apple.com>
7290 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7291 * config/darwin.h (GOMP_SELF_SPECS): Define.
7293 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7295 * rtl.h: Remove the prototype for reg_alloc.
7297 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7300 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7301 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7302 sjlj and dwarf2 exception handling.
7303 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7304 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7305 * pa/pa.c (function_value): Treat complex and vector types as
7307 (function_arg): Likewise. Only pass scalar floats in the floating
7308 point argument registers.
7309 * pa/t-slibgcc-dwarf-ver: New file.
7310 * pa/t-slibgcc-sjlj-ver: New file.
7311 * pa/t-slibgcc-elf-ver: Delete file.
7313 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7315 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7316 unlikely_test_section_p test.
7318 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7320 * mode-switching.c (optimize_mode_switching): Make it static.
7321 * basic-block.h: Remove the prototype for
7322 optimize_mode_switching.
7324 * modulo-sched.c (sms_schedule): Make it static.
7325 * rtl.h: Remove the prototype for sms_schedule.
7327 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7328 * rtl.h: Remove the prototype for gcse_after_reload_main.
7330 * reg-stack.c (reg_to_stack): Make it static.
7331 * rtl.h: Remove the prototype for reg_to_stack.
7333 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7335 * rtl.h: Remove the prototypes for regrename_optimize and
7336 copyprop_hardreg_forward.
7338 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
7340 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
7341 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
7342 Test against the appropriate null constant for the mode.
7343 If 'fixup_overlap' is true, swap the operands if they overlap.
7344 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
7345 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
7346 alpha_split_tmode_pair and adjust for above change.
7347 * config/alpha/alpha.md (movtf_internal): Adjust call to
7348 alpha_split_tfmode_pair and rely on it to swap the operands.
7349 (movti_internal): New insn and post-reload splitter.
7350 (movti): New expander.
7352 2006-01-18 Philippe De Muyter <phdm@macqel.be>
7354 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
7357 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7359 * rtlanal.c (global_reg_mentioned_p_1,
7360 global_reg_mentioned_p): Remove.
7361 * rtl.h: Remove the prototype for global_reg_mentioned_p.
7363 * flow.c (initialize_uninitialized_subregs): Make it static.
7364 * rtl.h: Remove the prototype for
7365 initialize_uninitialized_subregs.
7367 * function.c (instantiate_virtual_regs): Make it static.
7368 * function.h: Remove the prototype for
7369 instantiate_virtual_regs.
7371 * regmove.c (regmove_optimize, combine_stack_adjustments):
7373 * rtl.h: Remove the prototypes for regmove_optimize and
7374 combine_stack_adjustments.
7376 2006-01-17 Roger Sayle <roger@eyesopen.com>
7378 * config/i386/i386.c (COSTS_N_BYTES): New macro.
7379 (size_cost): Encode costs in bytes so that a reg-reg addition is
7380 equivalent to COSTS_N_INSNS(1).
7381 (override_options): Use the size_cost.branch_cost as the default
7382 ix86_branch_cost when optimizing for size.
7384 2006-01-18 Ben Elliston <bje@au.ibm.com>
7386 * Makefile.in (D32PBIT_FUNCS): New.
7387 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
7388 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
7389 D64PBIT_FUNCS and D128PBIT_FUNCS.
7390 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
7391 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
7393 (decnumber_dep): Define.
7394 * doc/libgcc.texi (Decimal float library routines): New node.
7395 * config/dfp-bit.h, config/dfp-bit.c: New files.
7397 2006-01-18 Ben Elliston <bje@au.ibm.com>
7399 * expr.c (emit_move_change_mode): Always adjust addresses, not
7400 just during reload. Copy replacements only during reload.
7401 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
7402 emit_move_via_integer.
7404 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
7406 * Makefile.in (check-%, check-consistency): Use $${srcdir}
7407 instead of $(srcdir) and ${srcdir}.
7409 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
7413 * arm.h (struct machine_function): Add pic_reg.
7414 * arm.c (arm_pic_register): Make unsigned.
7415 (arm_override_options): Only set arm_pic_register if
7416 TARGET_SINGLE_PIC_BASE.
7417 (use_return_insn): Only test for a pic register if it is fixed.
7418 (arm_compute_save_reg0_reg12_mask): Likewise.
7419 (thumb_compute_save_reg_mask): Likewise.
7420 (legitimate_pic_operand): Factor out some known invariants.
7421 (legitimize_pic_address): If we don't have a fixed pic register,
7422 then set up a pseudo in the function entry sequence. Handle the
7423 pic base being in a pseudo.
7424 (arm_load_pic_register): Handle the pic register being in a pseudo.
7425 (arm_expand_prologue): Only set up the pic register if it is fixed.
7426 (thumb_expand_prologue): Likewise.
7427 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
7428 (pic_load_addr_based_insn): Likewise.
7429 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
7432 2006-01-18 Ben Elliston <bje@au.ibm.com>
7434 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
7435 decimal float modes for all floating point registers.
7437 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
7438 match_code "mem" with match_test "macho_lo_sum_memory_operand".
7440 2006-01-17 Jakub Jelinek <jakub@redhat.com>
7443 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
7444 even when the pointer is not NULL.
7446 2006-01-16 Ian Lance Taylor <ian@airs.com>
7448 * common.opt (ftoplevel-reorder): New option.
7449 * cgraph.c (cgraph_asm_nodes): New global variable.
7450 (cgraph_asm_last_node): New static variable.
7451 (cgraph_order): New global variable.
7452 (cgraph_create_node): Set new order field.
7453 (cgraph_varpool_node): Likewise.
7454 (decide_is_variable_needed): Return true if not
7455 flag_toplevel_reorder.
7456 (cgraph_add_asm_node): New function.
7457 * cgraph.h (struct cgraph_node): Add order field.
7458 (struct cgraph_varpool_node): Add order field.
7459 (struct cgraph_asm_node): Define.
7460 (cgraph_asm_nodes, cgraph_order): Declare.
7461 (cgraph_add_asm_node): Declare.
7462 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
7464 (cgraph_varpool_assemble_pending_decls): Call it.
7465 (cgraph_output_pending_asms): New static function.
7466 (cgraph_finalize_compilation_unit): Call it.
7467 (struct cgraph_order_sort): Define.
7468 (cgraph_output_in_order): New static function.
7469 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
7470 !flag_toplevel_reorder case.
7471 * c-parser.c: Include "cgraph.h".
7472 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
7474 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
7475 than -fno-unit-at-a-time.
7476 * doc/invoke.texi (Option Summary): Mention
7477 -fno-toplevel-reorder.
7478 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
7479 -funit-at-a-time documentation.
7481 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
7482 Kazu Hirata <kazu@codesourcery.com>
7484 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
7486 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
7488 * Makefile.in (FUNCTION_H): New. Use it instead of
7489 function.h throughout the file.
7490 * function.h: Include tree.h.
7492 2006-01-17 Ben Elliston <bje@au.ibm.com>
7494 * recog.c: Separate some functions with whitespace.
7496 2006-01-16 Richard Henderson <rth@redhat.com>
7498 Merge from gomp branch:
7499 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
7500 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
7501 and rename from struct inline_data. Rename callee* to dst*;
7502 caller* to src*; add copy_decl hook, transform_call_graph_edges,
7503 transform_new_cfg, transform_return_to_modify, and
7504 transform_lang_insert_block flags; remove cloning_p, versioning_p,
7506 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
7507 (copy_decl_for_dup): Remove.
7508 * tree-inline.c (struct inline_data): Move to header.
7509 (insert_decl_map): Export.
7510 (remap_decl): Update for member name changes. Use copy_decl hook.
7511 Allow for replacement to be a non-decl. Remove dead code.
7512 (remap_type_1): Check for existing mapping.
7513 (remap_type): Export.
7514 (remap_decls): Update for member name changes.
7515 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
7516 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
7517 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
7518 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
7519 (tree_function_versioning, build_duplicate_type): Likewise.
7520 (copy_body_r): Likewise. Export.
7521 (copy_decl_for_dup): Split into ...
7522 (copy_decl_for_dup_finish, copy_decl_to_var,
7523 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
7524 (replace_ref_tree, inlining_p): Remove.
7526 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7528 * ifcvt.c (if_convert): Make it static.
7529 * rtl.h: Remove the prototype for if_convert.
7531 * local-alloc.c (local_alloc): Make it static.
7532 * rtl.h: Remove the prototype for local_alloc.
7534 * loop.c (loop_optimize): Make it static.
7535 * cfgloop.h: Remove the prototype for loop_optimize.
7538 2006-01-16 DJ Delorie <dj@redhat.com>
7540 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
7543 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7545 * pa.md: Disparage copies between general and floating-point registers
7546 in 32-bit move patterns.
7548 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
7551 * Makefile.in (check-%): Depend on site.exp instead of
7552 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
7555 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7557 * global.c (global_alloc): Make it static.
7558 * rtl.h: Remove the prototype for global_alloc.
7560 2006-01-16 Richard Guenther <rguenther@suse.de>
7562 * tree-ssa-alias.c (struct used_part): Add write_only field.
7563 (get_or_create_used_part_for): Initialize it to true.
7564 (create_overlap_variables_for): Don't create structure variables
7565 for structures that only are written to.
7566 (find_used_portions): Handle MODIFY_EXPR to track whether a
7567 structure is only written to.
7569 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7571 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
7573 * basic-block.h: Remove the prototype for
7574 partition_hot_cold_basic_blocks.
7576 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
7578 * cppspec.c (lang_specific_spec_functions): Remove.
7579 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
7580 * gcc.h (lang_specific_spec_functions): Remove.
7581 * gccspec.c (lang_specific_spec_functions): Remove.
7583 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
7585 * combine.c (record_value_for_reg): Invalidate registers
7587 (record_dead_and_set_regs_1): Likewise, by passing them to
7588 record_value_for_reg.
7589 (record_dead_and_set_regs): Invalidate stores made by a
7590 call. We do not combine across a call, but we still
7591 relied on equivalences.
7593 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7595 * tree-vrp.c (extract_range_from_binary_expr): Cope with
7596 vrp_int_const_binop returning non-constant nodes.
7598 2006-01-16 Paul Brook <paul@codesourcery.com>
7600 * config/m68k/m68k.c (output_move_const_into_data_reg):
7601 Output correct mnemonic for mvz and mvs.
7603 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
7605 * rtl-factoring.c: Add sequence abstraction algorithm.
7606 * cfgcleanup.c (outgoing_edges_match): Extra checks.
7607 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
7609 (block_has_preserve_label): New function.
7610 * common.opt: Register new pass.
7611 * Makefile.in: Ditto.
7613 * timevar.def: Ditto.
7614 * tree-pass.h: Ditto.
7615 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
7616 * rtl.h (make_jump_insn_raw): Add forward decl.
7617 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
7619 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7620 Roger Sayle <roger@eyesopen.com>
7622 * fold-const.c (fold_minmax): New static function.
7623 (fold_binary) <MIN_EXPR>: Call it.
7624 <MAX_EXPR>: Likewise.
7625 * stor-layout.c (place_field): Use DECL_SIZE consistently
7626 in the computation of the new record size.
7628 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7630 * cse.c (cse_condition_code_reg): Make it static.
7631 * rtl.h: Remove the prototype for cse_condition_code_reg.
7633 * combine.c (combine_instructions): Make it static.
7634 * rtl.h: Remove the prototype for combine_instructions.
7636 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7639 * tree.c (get_file_function_name_long): Concatenate the first global
7640 object name with a string derived from the input filename of the object
7643 2006-01-16 Ben Elliston <bje@au.ibm.com>
7645 * config/i386/winnt-stubs.c: Update FSF address.
7646 * config/xtensa/ieee754-df.S: Ditto.
7647 * config/xtensa/ieee754-sf.S: Ditto.
7649 2006-01-14 Ian Lance Taylor <ian@airs.com>
7651 * ifcvt.c (noce_init_if_info): New static function, broken out of
7652 noce_process_if_block.
7653 (noce_process_if_block): Call noce_init_if_info.
7654 (check_cond_move_block): New static function.
7655 (cond_move_process_if_block): New static function.
7656 (process_if_block): Call cond_move_process_if_block.
7658 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
7660 * cselib.c (hash_table): Rename to cselib_hash_table.
7661 (cselib_clear_table, discard_useless_values,
7662 remove_useless_values, cselib_lookup_mem, cselib_lookup,
7663 cselib_init, cselib_finish): Adjust uses of hash_table.
7665 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
7667 PR tree-optimization/25485
7668 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
7669 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
7670 is known to be false and true, respectively.
7672 2006-01-14 Richard Guenther <rguenther@suse.de>
7674 PR tree-optimization/22548
7675 PR tree-optimization/22555
7676 PR tree-optimization/22501
7677 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
7678 * params.def (salias-max-array-elements): New parameter.
7679 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
7680 * doc/invoke.texi (salias-max-array-elements): Document.
7681 * tree-flow-inline.h (var_can_have_subvars): We also handle
7683 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
7685 * tree-ssa-structalias.c (params.h): Include.
7686 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
7687 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
7688 (get_constraint_for): For ADDR_EXPR operating on something
7689 containing an ARRAY_REF, add all subvars to the solution.
7690 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
7691 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
7692 for creating MUST_DEFs.
7693 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
7695 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
7697 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
7699 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
7700 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7701 number_of_iterations_le): New functions.
7702 (number_of_iterations_special): Removed.
7703 (number_of_iterations_exit): Do not use number_of_iterations_special.
7704 * tree.c (unsigned_type_for): Always return integer type.
7706 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
7707 Richard Guenther <rguenther@suse.de>
7709 PR rtl-optimization/24257
7710 * gcse.c (find_moveable_store): Only consider a store movable
7711 when the SET_SRC of the insn can be assigned to a register.
7713 2006-01-14 Ian Lance Taylor <ian@airs.com>
7715 * tree.c (tree_not_class_check_failed): New function.
7716 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
7717 (tree_not_class_check_failed): Declare.
7719 2006-01-13 Ian Lance Taylor <ian@airs.com>
7721 * reload1.c (do_output_reload): Add assertion rejecting a
7724 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
7726 * combine.c (struct reg_stat): Add new fields truncation_label and
7728 (record_value_for_reg): Reset truncated_to_mode.
7729 (record_truncated_value): New function.
7730 (check_promoted_subreg): Call it. Rename to check_conversions.
7731 (combine_instructions): Rename check_promoted_subreg to
7733 (reg_truncated_to_mode): New function.
7734 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
7735 (gen_lowpart_or_truncate): New function.
7736 (force_to_mode): Use it instead of gen_lowpart.
7738 2006-01-13 Diego Novillo <dnovillo@redhat.com>
7740 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
7741 VAR is a tag, not its type tag.
7743 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
7745 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
7746 alternatives to match style of other entries.
7747 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
7749 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
7751 PR tree-optimization/25771
7752 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
7755 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
7758 * tree-inline.c (declare_return_variable): If the return variable
7759 was marked as a non gimple complex, set the return slot variable
7760 to be a non gimple comple variable.
7762 2006-01-13 Richard Guenther <rguenther@suse.de>
7764 * builtins.c (expand_builtin_sincos): New function.
7765 (expand_builtin_mathfn_3): Remove dead code, sin and cos
7767 (expand_builtin): Expand sincos using expand_builtin_sincos.
7769 2006-01-12 DJ Delorie <dj@redhat.com>
7771 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
7772 shift counts, separate SI shifts for m32c vs m16c, pass shift type
7773 so that constant shifts can be split.
7774 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
7775 (m32c_valid_pointer_mode): Make static.
7776 (shift_gen_func_for): New.
7777 (m32c_prepare_shift): Use it. Split large const shifts into
7779 * config/m32c/predicates.md (shiftcount_operand): Allow more
7781 (longshiftcount_operand): New.
7782 * doc/md.texi (Machine Constraints): Document In6.
7784 2006-01-13 Ben Elliston <bje@au.ibm.com>
7786 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
7787 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
7790 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
7792 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
7793 to try to avoid clobbering pieces of structures when we know
7794 something about the whole structure.
7795 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
7797 2006-01-13 Ben Elliston <bje@au.ibm.com>
7799 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
7800 return in memory, as this is no limitation is no longer present.
7802 2006-01-12 DJ Delorie <dj@redhat.com>
7804 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
7805 mova with fb, and for fb+0 -> An.
7807 * config/m32c/mov.md (peephole2): Fix enabling logic.
7809 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7810 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
7811 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
7812 FINI_ARRAY_SECTION_ASM_OP): Define.
7814 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
7816 (m32c_legitimize_reload_address): New logic to reload FB to An.
7817 (m32c_output_reg_push): Add newline.
7818 (m32c_output_reg_pop): Likewise.
7820 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
7822 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
7824 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
7826 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7828 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7830 * config/sh/predicates.md (sh_rep_vec): Add parallel to
7833 2006-01-11 Ben Elliston <bje@au.ibm.com>
7835 * rtlanal.c (find_reg_note): Assert insn is not null.
7837 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7839 * df-scan.c (df_hard_reg_init): Move declaration of i outside
7842 2006-01-11 Jeff Law <law@redhat.com>
7844 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
7846 (mark_threaded_blocks, register_jump_thread): New functions.
7847 (thread_through_all_blocks): Remove unwanted argument. No
7848 longer rely on e->aux to communicate thread target info.
7849 Call mark_threaded_blocks. Release the threaded_blocks
7850 bitmap and threaded_edges vector when complete.
7851 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
7852 (threaded_blocks): Remove.
7853 (tree_ssa_dominator_optimize): Remove initialization and
7854 finalization of threaded_blocks. Simplify call to
7855 thread_through_all_blocks.
7856 (thread_across_edge): Call register_jump_thread rather than
7857 storing thread information into e->aux.
7858 (free_all_edge_infos): Simplify now that e->aux is no longer
7859 used to communicate with thread_through_all_blocks.
7860 * tree-flow.h (thread_through_all_blocks): Update prototype.
7861 (register_jump_thread): Prototype.
7863 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7865 * df-core.c (df_compact_blocks, df_bb_replace): Use
7866 SET_BASIC_BLOCK instead of BASIC_BLOCK.
7868 2006-01-11 Richard Guenther <rguenther@suse.de>
7870 PR tree-optimization/25734
7871 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
7872 stop propagation after successful propagation to the LHS.
7874 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7876 * basic-block.h (control_flow_graph): Change the type of
7877 x_basic_block_info to VEC(basic_block,gc) *.
7878 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
7880 (SET_BASIC_BLOCK): New.
7881 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
7882 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
7883 * cfgbuild.c (find_basic_blocks): Likewise.
7884 * cfglayout.c (fixup_reorder_chain): Likewise.
7885 * cfgrtl.c (create_basic_block_structure,
7886 rtl_create_basic_block): Likewise.
7887 * ifcvt.c (find_if_case_1): Likewise.
7888 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
7891 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7893 * Makefile.in: Removed rotted odf.c entry.
7895 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
7898 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
7899 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
7900 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
7901 output pattern modifier, not %e.
7902 * config/cris/cris.c (cris_op_str): Update comment about pattern
7904 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
7905 before falling through into...
7906 <case 'E'>: Redefined from old 'e' case.
7908 2006-01-11 Jan Hubicka <jh@suse.cz>
7911 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
7913 2006-01-11 Jan Hubicka <jh@suse.cz>
7915 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
7916 * i386.c (x86_decompose_lea): Kill.
7917 (ix86_rtx_costs): Kill.
7919 2006-01-11 Jan Hubicka <jh@suse.cz>
7921 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
7922 * cgraph.h (cgraph_node): Add inline_decl.
7923 (cgraph_insert_node_to_hashtable): Declare.
7924 (save_inline_function_body): Declare.
7925 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
7927 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
7928 (cgraph_function_versioning): Update call of tree_function_versioning.
7929 (save_inline_function_body): New function.
7930 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
7931 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
7932 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
7933 (cgraph_default_inline_p): Likewise.
7934 (cgraph_decide_inlining_incrementally): Likewise.
7935 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
7936 (copy_bb): Kill saving; do updating of clones.
7937 (copy_cfg_body): Kill saving.
7938 (initialize_inlined-parameters): Likewise.
7939 (expand_call_inline): Likewise.
7941 (tree_function_versioning): New parameter "update_clones".
7942 (inlining_p): Kill saving.
7943 * tree-inline.h (tree_function_versioning): Update prototype.
7944 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
7947 2006-01-11 Ian Lance Taylor <ian@airs.com>
7949 * combine.c (struct undo): Remove is_int. Enumify types of undos.
7950 Allow undoing set of machine mode.
7951 (do_SUBST): Use enums instead of is_int.
7952 (do_SUBST_MODE): New function.
7953 (SUBST_MODE): New macro.
7954 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
7955 reg and trying to replace reg_regno_rtx with a new register.
7956 (undo_all): Use new enums, handle undoing a PUT_MODE change.
7957 (simplify_set): Use SUBST_MODE.
7958 (distribute_notes): Remove code that tried to update reg notes
7959 for regno_reg_rtx changes.
7961 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
7963 PR tree-optimization/23109
7964 PR tree-optimization/23948
7965 PR tree-optimization/24123
7967 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
7968 * tree-cfg.c (single_noncomplex_succ): New.
7969 * tree-flow.h (single_noncomplex_succ): Declare it.
7970 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7971 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7972 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
7973 insert_bb, register_division_in, insert_reciprocals,
7974 replace_reciprocal, free_bb): New.
7975 (execute_cse_reciprocals_1): Rewritten.
7976 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
7977 Do not commit any edge insertion. Always compute dominators and
7978 create the allocation pool.
7979 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
7980 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
7981 * targhooks.c (default_min_divistions_for_recip_mul): New.
7982 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
7983 * passes.c (init_optimization_passes): Run recip after tree loop
7985 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
7987 2006-01-11 Danny Berlin <dberlin@dberlin.org>
7988 Kenneth Zadeck <zadeck@naturalbridge.com>
7990 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
7991 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
7992 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
7993 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
7994 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
7995 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
7996 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
7997 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
7998 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
7999 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
8000 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
8001 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
8002 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
8003 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
8004 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8005 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8006 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8007 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8008 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8009 DF_SCAN_POST_ALLOC): New macros.
8010 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8011 df_free_bb_function, df_local_compute_function, df_init_function,
8012 df_dataflow_function, df_confluence_function_0,
8013 df_confluence_function_n, df_transfer_function,
8014 df_finalizer_function, df_free_function, df_dump_problem_function,
8015 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8016 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8017 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8018 df_urec_bb_info, ) New types.
8019 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8021 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8022 df_analyze_simple_change_some_blocks,
8023 df_analyze_simple_change_one_block, df_compact_blocks,
8024 df_bb_replace, df_bb_regno_last_use_find,
8025 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8026 df_insn_regno_def_p, df_find_def, df_find_use,
8027 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8028 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8029 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8030 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8031 debug_df_chain, df_get_dependent_problem, df_chain_create,
8032 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8033 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8034 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8035 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8036 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8037 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8038 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8039 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8040 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8041 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8042 df_reorganize_refs, df_set_state, df_hard_reg_init,
8043 df_read_modify_subreg_p) New public functions.
8044 * df-core.c: The core dataflow solver and glue routines for rtl
8046 (df_init, df_add_problem, df_set_blocks, df_finish,
8047 df_hybrid_search_forward, df_hybrid_search_backward,
8048 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8049 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8050 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8051 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8052 df_reg_defined, df_find_use, df_reg_used, df_dump,
8053 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8054 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8055 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8056 debug_df_useno, reset_df_after_reload): New functions.
8057 * df-scan.c: The scanning fuctions, once in df.c, completely
8058 rewritten so that they now fully model the functionality of
8059 register usage at the backend.
8060 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8061 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8062 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8063 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8064 df_get_artificial_defs, df_get_artificial_uses,
8065 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8066 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8067 df_refs_delete, df_reorganize_refs, df_set_state,
8068 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8069 df_def_record_1, df_defs_record, df_uses_record,
8070 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8071 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8072 df_record_exit_block_uses, df_hard_reg_init): New functions.
8074 * df-problems.c: Seven concrete dataflow problems that use the
8075 scanning in df-scan.c and are solved by the engine in df-core.c.
8076 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8077 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8078 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8079 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8080 df_ru_free_bb_info, df_ru_alloc,
8081 df_ru_bb_local_compute_process_def,
8082 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8083 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8084 df_ru_transfer_function, df_ru_free, df_ru_dump,
8085 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8086 df_rd_free_bb_info, df_rd_alloc,
8087 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8088 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8089 df_rd_transfer_function, df_rd_free, df_rd_dump,
8090 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8091 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8092 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8093 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8094 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8095 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8096 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8097 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8098 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8099 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8100 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8101 df_urec_mark_reg_use_for_earlyclobber,
8102 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8103 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8104 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8105 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8106 df_chain_create_bb_process_use, df_chain_create_bb,
8107 df_chain_finalize, df_chain_free, df_chains_dump,
8108 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8109 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8110 df_reg_lifetime): New functions.
8111 * df.c: Deleted file.
8112 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8113 consistent with new df api.
8114 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8115 rest_of_handle_sms): Ditto.
8116 * web.c (unionfind_union, union_defs, entry_register, web_main):
8118 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8119 invariant_expr_equal_p, find_defs, check_dependencies,
8120 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8121 free_inv_motion_data, move_loop_invariants): Ditto.
8122 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8123 Update dependencies.
8124 (odf.c): Added defective entry that was deleted later in day.
8125 * sched-deps.c (sched_analyze_1): Ditto.
8127 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8129 * tree-ssa-operands.c (get_expr_operands): Record addressable
8130 variables directly. Do not call add_stmt_operands for CONST_DECLs
8132 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8133 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8135 2006-01-11 Ben Elliston <bje@au.ibm.com>
8137 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8138 function returns true in the positive case.
8140 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8143 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8144 for SI, DI, SF and DF modes. Add alternatives to copy between
8145 general and floating point registers to the 32-bit patterns.
8146 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8147 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8148 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8149 generating 64-bit code.
8150 * config/pa/pa.c (output_move_double): Handle copies between general
8151 and floating registers.
8153 2006-01-10 Stuart Hastings <stuart@apple.com>
8155 * config/i386/i386.md (set_got): Update.
8156 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8157 (builtin_setjmp_receiver): Mach-O support.
8158 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8159 (GOT_SYMBOL_NAME): Define.
8160 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8161 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8162 * config/i386/i386.c (override_options): Revise for Darwin.
8163 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8164 support. (darwin_x86_file_end): New. (output_set_got): Add label
8165 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8166 * config/i386/i386-protos.h (output_set_got): Likewise.
8167 * config/darwin.c (machopic_legitimize_pic_address): Update
8170 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8172 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8173 when MODE isn't BLKmode.
8175 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8177 PR rtl-optimization/25367
8178 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8180 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8183 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8184 for a negative bound.
8186 2006-01-10 Richard Guenther <rguenther@suse.de>
8188 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8189 Never override with anything constraint.
8191 2006-01-10 Jan Beulich <jbeulich@novell.com>
8193 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
8194 256 bits when optimize_size.
8196 2006-01-10 Jan Beulich <jbeulich@novell.com>
8198 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
8200 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
8201 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
8204 2006-01-10 Ben Elliston <bje@au.ibm.com>
8206 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
8208 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
8209 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8210 (USE_FP_FOR_ARG): Reject decimal float modes.
8211 (function_arg_advance): Likewise.
8212 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
8213 (rs6000_handle_altivec_attribute): Do not permit decimal floating
8214 point types in AltiVec vectors.
8215 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
8216 (rs6000_libcall_value): Likewise.
8218 2006-01-09 Bob Wilson <bob.wilson@acm.org>
8220 * config/xtensa/ieee754-df.S: New file.
8221 * config/xtensa/ieee754-sf.S: New file.
8222 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
8223 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
8224 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
8226 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8228 * config/sh/predicates.md (binary_float_operator,
8229 binary_logical_operator, commutative_float_operator,
8230 equality_comparison_operator, greater_comparison_operator,
8231 less_comparison_operator, logical_operator,
8232 noncommutative_float_operator, shift_operator,
8233 symbol_ref_operand, unary_float_operator): Remove redundant
8236 2006-01-09 Jeff Law <law@redhat.com>
8238 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
8239 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
8240 now unused arguments. Callers updated.
8241 (eliminate_redundant_computations): Remove now unused arguments,
8243 (local_fold): Remove, no longer used.
8244 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
8246 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
8247 (simplify_cond): New function.
8248 (forward_propagate_into_cond): Call simplify_cond.
8250 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
8252 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
8253 (*vec_extractv2di_1_sse): New.
8255 2006-01-09 Ben Elliston <bje@au.ibm.com>
8257 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
8259 2006-01-08 Richard Guenther <rguenther@suse.de>
8261 * tree-ssa-structalias.c (get_constraint_for): Remove
8263 (get_constraint_for_component_ref): Likewise.
8264 (do_deref): Likewise.
8265 (get_constraint_for): Likewise.
8266 (do_structure_copy): Likewise.
8267 (handle_ptr_arith): Likewise.
8268 (find_func_aliases): Likewise. Remove unused need_anyoffset
8271 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
8272 Kaz Kojima <kkojima@gcc.gnu.org>
8274 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
8275 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8276 (EXTRA_CONSTRAINT_C16): Remove.
8277 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8278 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8279 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8280 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8281 constants of SHmedia. Handle nested constant expressions of
8283 (andcosts): Fix the costs for SHmedia constants.
8284 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8285 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8286 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8287 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8288 (movv4hi_i, movv2si_i): Likewise.
8289 (movsi_const): Adjust the second operand of ior so to match with
8291 (movdi_const, movdi_const_32bit): Likewise.
8292 (movdi_const_16bit+1): Don't sign-extend LOW.
8293 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8295 (*double_shori): Fix the split condition. Use GEN_INT instead
8296 of get_int_mode calls. Mask lower 16-bit of the argument of
8298 (sym2GOTPLT): Remove.
8299 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8301 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8302 instead of EXTRA_CONSTRAINT_C16.
8304 2006-01-07 Ian Lance Taylor <ian@airs.com>
8305 David Edelsohn <edelsohn@gnu.org>
8307 PR rtl-optimization/25662
8308 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8309 for constant operands instead of simplify_gen_binary.
8310 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8311 after trying simplify_binary_operation
8313 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8315 * tree.c (iterative_hash_expr): Hash decls based on UID.
8317 2006-01-06 Eric Christopher <echristo@apple.com>
8319 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8320 (TARGET_UNWIND_EMIT): Fix spelling.
8321 * target.h (gcc_target): Add except_table_label.
8322 * except.c (output_function_exception_table): Use.
8323 * varasm.c (default_emit_except_table_label): New.
8324 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8326 (asm_out): Add here.
8327 * output.h (default_emit_except_table_label): Prototype.
8328 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8329 * config/darwin.c (darwin_emit_except_table_label): Define.
8330 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8332 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8334 PR tree-optimization/18527
8335 * tree-ssa-loop-niter.c (number_of_iterations_cond,
8336 number_of_iterations_special, number_of_iterations_exit):
8337 Move base and step of an iv to a single structure. Add
8338 no_overflow flag, and use it in # of iterations analysis.
8339 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
8340 folded_casts argument.
8341 (simple_iv): Pass base and step in a structure. Set no_overflow
8343 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
8344 Evaluate expensiveness of computing # of iterations instead of
8345 the final expression.
8346 * tree-scalar-evolution.h (affine_iv): New structure.
8347 (simple_iv): Declaration changed.
8348 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
8349 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
8350 find_givs_in_stmt): Changed due to simple_iv change.
8352 2006-01-06 Jeff Law <law@redhat.com>
8355 * tree-cfg.c (bsi_replace): Rename final argument from
8356 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
8357 change (stmt -> orig_stmt).
8358 * tree-eh.c (verify_eh_throw_stmt_node): New function.
8359 (bsi_remove): Add new argument. Remove EH information
8361 (verify_eh_throw_table_statements): New function.
8362 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
8364 * tree-optimize.c (execute_free_cfg_annotations): Verify
8365 the EH throw statement table after removing annotations.
8366 * except.h (verify_eh_throw_table_statements): Prototype.
8367 * tree-flow.h (bsi_remove): Update prototype.
8368 * tree-vrp.c (remove_range_assertions): Add new argument to
8370 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
8371 * tree-complex.c (expand_complex_div_wide): Likewise.
8372 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
8373 * tree-tailcall.c (eliminate_tailcall): Likewise.
8374 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8375 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8376 * tree-nrv.c (tree_nrv): Likewise.
8377 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
8378 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
8379 (combine_blocks): Likewise.
8380 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
8381 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
8382 (cleanup_control_flow): Likewise.
8383 (remove_forwarder_block): Likewise.
8384 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8385 * tree-sra.c (sra_replace): Likewise.
8386 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
8387 (forward_propagate_single_use_vars): Likewise.
8388 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
8389 * tree-inline.c (expand_call_inline): Likewise.
8390 * tree-vect-transform.c (vect_transform_loop): Likewise.
8391 * tree-outof-ssa.c (rewrite_trees): Likewise.
8392 * tree-cfg.c (make_goto_expr_edges): Likewise.
8393 (cleanup_dead_labels): Likewise.
8394 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
8395 (bsi_move_before, bsi_move_after): Likewise.
8396 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
8397 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
8399 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
8402 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
8404 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
8405 on non gimple variables. Also add checks at the top for decls and
8407 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
8409 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
8410 and IMAGPART_EXPR for creating MUST_DEFs.
8411 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
8412 and NAME_MEMORY_TAG separately from the DECLs.
8414 2006-01-06 Richard Guenther <rguenther@suse.de>
8416 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
8417 annotation, if necessary.
8418 * tree-ssa-pre.c (create_expression_by_pieces): Remove
8419 redundant calls to update_stmt.
8420 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
8423 2006-01-05 Richard Henderson <rth@redhat.com>
8425 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
8427 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8429 * c-typeck.c: Update copyright date.
8431 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8433 * c-typeck.c (build_c_cast): Always warn when casting
8434 from a pointer to an integer of different size, even if
8435 the node was constant.
8437 2006-01-05 Richard Guenther <rguenther@suse.de>
8439 PR tree-optimization/22555
8440 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
8441 if one structure field is an array.
8442 * tree-ssa-operands.c (get_expr_operands): Continue scanning
8443 operands even if we found a subvar, but ignore VOPs in this
8445 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
8447 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
8449 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
8452 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
8454 2006-01-05 Richard Guenther <rguenther@suse.de>
8455 Diego Novillo <dnovillo@redhat.com>
8457 * tree-pass.h (TODO_remove_unused_locals): Define.
8458 * gimple-low.c (expand_var_p, remove_useless_vars,
8459 pass_remove_useless_vars): Remove. Update all users.
8460 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
8461 (remove_unused_locals): New function.
8462 * tree-flow.h (remove_unused_locals): Declare.
8463 * passes.c (execute_todo): Call remove_unused_locals if
8464 TODO_remove_unused_locals is set.
8465 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
8466 * tree-ssa-dce.c (pass_dce): Likewise.
8467 * tree-outof-ssa.c (pass_del_ssa): Likewise.
8469 2006-01-05 Richard Guenther <rguenther@suse.de>
8471 * tree-flow.h (struct fieldoff): Decompose field to
8472 type, size and decl.
8473 * tree-ssa-alias.c (create_sft): Take type as parameter.
8474 (create_overlap_variables_for): Store type, size and decl
8475 in the fieldoff structure.
8476 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
8478 (push_fields_onto_fieldstack): Likewise.
8479 (create_variable_info_for): Likewise. Use offset for the
8480 SFT name if the decl is not available.
8482 2006-01-04 Paul Brook <paul@codesourcery.com>
8484 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
8486 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
8488 * lambda-code.c (can_put_in_inner_loop): Relax
8490 (can_put_after_inner_loop): New function.
8491 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
8492 (perfect_nestify): Change to make copies and modify uses.
8494 2006-01-04 Richard Henderson <rth@redhat.com>
8496 Merge from gomp branch:
8497 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
8498 via integer constant.
8499 (pragma_lex): Remove.
8500 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
8501 rather than parsing it.
8502 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
8503 handle_pragma_extern_prefix): Add %< %> quotes.
8504 (registered_pragmas): New.
8505 (c_register_pragma_1): New.
8506 (c_register_pragma): Use it.
8507 (c_register_pragma_with_expansion): Likewise.
8508 (c_invoke_pragma_handler): New.
8509 (init_pragma): Use cpp_register_deferred_pragma directly for
8511 * c-pragma.h (enum pragma_kind): New.
8512 (pragma_handler): New.
8513 (c_invoke_pragma_handler): Declare.
8514 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
8516 * c-common.h (c_common_pch_pragma): Update decl.
8517 * Makefile.in (c-parser.o): Update dependencies.
8518 (GTFILES): Add c-pragma.h.
8519 * c-parser.c (struct c_token): Add pragma_kind.
8520 (struct c_parser): Add in_pragma.
8521 (c_lex_one_token): Always initialize keyword and pragma_kind.
8522 Extract data for CPP_PRAGMA.
8523 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
8524 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
8525 Don't allow CPP_PRAGMA_EOL if in_pragma.
8526 (c_parser_consume_pragma): New.
8527 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
8528 (c_parser_skip_to_end_of_parameter): Likewise.
8529 (c_parser_skip_to_end_of_block_or_statement): Likewise.
8530 (c_parser_skip_to_pragma_eol): New.
8531 (c_parser_external_declaration): Handle CPP_PRAGMA.
8532 (c_parser_compound_statement_nostart): Likewise.
8533 (c_parser_statement_after_labels): Likewise.
8534 (c_parser_pragma): New.
8535 (pragma_lex): Likewise.
8536 (c_parser_pragma_pch_preprocess): New.
8537 (c_parser_new): Merge into ...
8538 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
8540 2006-01-04 Jeff Law <law@redhat.com>
8543 * tree-cfg.c (bsi_replace): Remove the original statement
8544 from the EH throw statement table.
8546 2006-01-04 Jakub Jelinek <jakub@redhat.com>
8548 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
8549 make the prototype extern "C" and add throw ().
8552 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
8553 and pos non-negative and pos + len <= 32.
8554 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
8555 drop pos + len < HOST_BITS_PER_WIDE_INT test.
8556 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
8559 * c-common.c (handle_vector_size_attribute): Reject zero vector size
8560 as well as sizes not multiple of component size.
8563 * function.c (instantiate_expr): New function.
8564 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
8565 walk its DECL_VALUE_EXPR with instantiate_expr.
8567 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
8568 DW_OP_deref{,_size} if address isn't going to be added.
8570 2006-01-04 Ben Elliston <bje@au.ibm.com>
8572 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
8573 * config/fp-bit.c: Likewise.
8575 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
8577 * dominance.c: Add comment about why we use DFS numbering
8580 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8581 Richard Henderson <rth@redhat.com>
8583 Merge from gomp-branch:
8584 * varasm.c (assemble_variable): Handle thread-local COMMON data.
8585 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
8587 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
8589 PR rtl-optimization/25578
8590 * combine.c (combine_simplify_rtx, force_to_mode): Don't
8591 pass a parameter to simplify_shift_const if changing ASHIFTRT
8594 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
8596 * builtins.c (get_builtin_sync_mem): New function.
8597 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
8598 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
8599 Call get_builtin_sync_mem to generate mem rtx.
8601 2006-01-03 Richard Guenther <rguenther@suse.de>
8604 * stmt.c (add_case_node): Make sure to clear overflow flags
8607 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8609 Merge from gomp-branch.
8610 * config/sparc/sync.md: New file.
8611 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
8612 UNSPECV_LDSTUB): New constants.
8613 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
8614 * config/sparc/predicates.md (memory_reg_operand): New predicate.
8615 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
8618 2006-01-03 Roger Sayle <roger@eyesopen.com>
8620 * combine.c (reg_subword_p): New predicate to test whether the
8621 destination of a set refers to a subword/piece of a register.
8622 (try_combine): Generalize the code to merge the setting of a
8623 pseudo to a constant followed by a set of a subword of that
8624 register to a constant.
8626 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
8628 * basic-block.h (control_flow_graph): Change the type of
8629 x_label_to_block_map to VEC(basic_block,gc) *.
8630 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
8631 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
8633 * tree-ssa-propagate.c (cfg_blocks): Change the type to
8634 VEC(basic_block,heap) *.
8635 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
8636 ssa_prop_fini): Adjust the uses of cfg_blocks.
8638 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
8640 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
8642 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
8643 hashing trees instead of a pointer hash.
8644 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
8645 compare for MEM_EXPR.
8647 PR rtl-optimization/25130
8648 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
8649 when comparing MEMs for GCSE
8651 2006-01-03 Ben Elliston <bje@au.ibm.com>
8653 * targhooks.h (default_decimal_float_supported_p): Declare.
8654 * targhooks.c (default_decimal_float_supported_p): Define.
8655 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
8656 `default_decimal_float_supported_p'.
8657 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
8659 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
8661 * combine.c (apply_distributive_law <SUBREG>): Check
8662 TRULY_NOOP_TRUNCATION.
8664 2006-01-02 Geoffrey Keating <geoffk@apple.com>
8666 * dwarf2out.c (have_switched_text_section): Delete.
8667 (have_multiple_function_sections): New.
8668 (have_location_lists): Make 'bool'.
8669 (add_AT_loc_list): Use 'true' not '1'.
8670 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
8671 (output_loc_list): Use have_multiple_function_sections.
8672 (output_ranges): Likewise.
8673 (dwarf2out_begin_function): Set have_multiple_function_sections if
8675 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
8676 Check function_section rather than DECL_SECTION_NAME.
8677 (dwarf2out_finish): Use have_multiple_function_sections.
8678 Don't clear have_location_lists.
8680 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
8681 Jan Hubicka <jh@suse.cz>
8683 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
8684 case of conditional jump jumping to the next instruction.
8685 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
8686 cases of conditional jump jumping to the next instruction.
8688 2006-01-02 Jan Hubicka <jh@suse.cz>
8690 * i386.c (*_cost): Add COSTS_N_INSNS.
8691 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
8693 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
8696 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
8698 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8700 * config/arm/arm.c (all_fpus): Fix comment typo.
8701 * config/darwin.c: Likewise.
8702 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
8703 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
8704 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
8706 2006-01-01 David Edelsohn <edelsohn@gnu.org>
8708 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
8709 (rs6000_split_compare_and_swapqhi): New.
8710 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
8711 (sync_compare_and_swapqhi_internal): New.
8712 * config/rs6000/rs6000-protos.h: Declare.