1 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8 (rs6000_override_options): Use it.
9 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
10 only for -mabi=spe/no-spe and -mabi=altivec.
12 2006-03-30 Geoffrey Keating <geoffk@apple.com>
14 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
17 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
19 * Makefile.in: Rename docdir to gcc_docdir.
21 2006-03-30 Roger Sayle <roger@eyesopen.com>
24 * expr.c (emit_group_store): Optimize group stores into a pseudo
25 register by using a paradoxical subreg to initialize the destination
26 if the first or last member of the group specifies a "low part".
28 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
31 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
32 * target.h (struct gcc_target.speculate_insn): Change type of the
33 second parameter to 'int'.
34 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
35 the second operand of the DEPS_LIST.
36 (copy_DEPS_LIST_list): Update reference to the second operand of the
38 * rtl.h (alloc_DEPS_LIST): Update signature.
39 * sched-int.h (ds_t): Change typedef to 'int'.
40 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
42 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
44 * haifa-sched.c (try_ready): Change condition to restore
45 non-speculative pattern of the instruction.
46 (process_insn_depend_be_in_spec): Code to keep probability of the
47 speculative dependence non-decreasing.
49 2006-03-30 Jie Zhang <jie.zhang@analog.com>
51 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
52 (single_move_for_movmem): ... this. Also change all uses.
53 (bfin_expand_strmov): Renamed to...
54 (bfin_expand_movmem): ... this. Also change all uses.
55 * config/bfin/bfin.md (movstrsi): Renamed to...
58 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
60 PR tree-optimization/26830
62 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
63 (copy_prop_visit_stmt): Remove write-only variable ann.
64 (init_copy_prop): Check variable loop depth here. Do not simulate
65 memory-tag and virtual operand PHIs except for store copy prop.
67 2006-03-30 Richard Guenther <rguenther@suse.de>
69 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
70 variants with double arguments.
72 2006-03-29 David Edelsohn <edelsohn@gnu.org>
74 * genpreds.c (write_tm_constrs_h): Delete variable p.
75 * genconditions.c (write_header): Add tm-constrs.h to included
77 * genpeep.c (main): Add toplev.h to included headers.
78 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
79 (build/genpeep.o): Add toplev.h dependency.
80 * config/rs6000/constraints.md: Add "W" constraint.
82 2006-03-29 Roger Sayle <roger@eyesopen.com>
84 * stor-layout.c (mode_for_size_tree): Remove restiction on type
85 sizes by correctly testing whether the size fits a host integer.
86 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
87 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
88 SImode range for the default sizetype and bitsizetype.
90 2006-03-29 Roger Sayle <roger@eyesopen.com>
92 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
93 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
94 quickly if the argument is already of the correct type.
95 Call fold_build1 instead of build1. Tidy up blank lines.
97 2006-03-29 David Edelsohn <edelsohn@gnu.org>
99 * genemit.c (main): Add tm-constrs.h to included headers.
100 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
101 * genpeep.c (main): Add tm-constrs.h to included headers.
102 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
103 (write_tm_constrs_h): this and write complete file.
104 (write_tm_preds_h): Do not emit satisfies_constraint fns.
105 (write_insn_preds_c): Add tm-constrs.h to included headers.
106 (gen_constrs): New variable.
107 (parse_option): Parse "-c".
108 (main): Invoke write_tm_constrs_h.
109 * genrecog.c (write_header): Add tm-constrs.h to included headers.
110 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
111 (object_out_file): Add tm-constrs.h dependency.
113 (insn-output.o): Same.
115 (insn-preds.o): Same.
116 (insn-recog.o): Same.
117 (tm-constsr.h): New target.
118 (s-constrs-h): New target.
120 * config/rs6000/constraints.md: New file.
121 * config/rs6000/rs6000.c: Include tm-constrs.h.
122 (num_insn_constant_wide): Convert to satisfies_constraint.
123 (rs6000_rtx_costs): Convert to satisfies_constraint.
124 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
125 (CONST_OK_FOR_LETTER_P): Delete.
126 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
127 (EXTRA_CONSTRAINT): Delete.
128 (EXTRA_MEMORY_CONSTRAINT): Delete.
129 (EXTRA_ADDRESS_CONSTRAINT): Delete.
130 * config/rs6000/predicates.md: Convert to satisfies_constraint.
131 * config/rs6000/rs6000.md: Include constraints.md. Convert to
132 satisfies_constraint.
134 * config/i386/i386.c: Include tm-constrs.h.
136 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
138 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
139 * tree-data-ref.c (find_data_references_in_loop,
140 compute_data_dependences_for_loop): Use pointers to VEC.
141 (analyze_all_data_dependences): Adjust calls.
142 * tree-data-ref.h (find_data_references_in_loop,
143 compute_data_dependences_for_loop): Adjust declarations.
144 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
145 compute_data_dependences_for_loop.
147 2006-03-29 Paul Brook <paul@codesourcery.com>
149 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
152 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
154 PR tree-optimization/26859
155 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
157 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
158 for the step after fold_convert.
160 2006-03-29 Paul Brook <paul@codesourcery.com>
162 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
163 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
165 2006-03-29 Paul Brook <paul@codesourcery.com>
168 * targhooks.c (default_narrow_bitfield): New fuction.
169 * targhooks.h (default_narrow_bitfield): add prototype.
170 * target.h (gcc_target): Add narrow_volatile_bitfield.
171 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
172 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
173 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
174 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
176 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
178 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
180 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
181 (NR_C_MODES): Add TDmode, DDmode and SDmode.
182 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
183 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
184 (s390_function_arg_float): Allow SDmode and DDmode values to be
185 passed in floating point registers.
186 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
187 check with SCALAR_FLOAT_MODE_P.
188 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
190 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
192 PR tree-optimization/25985
193 * tree-ssa-loop-niter.c (number_of_iterations_le,
194 number_of_iterations_ne): Make comments more precise.
195 (number_of_iterations_cond): Add only_exit argument. Use the
196 fact that signed variables do not overflow only when only_exit
198 (loop_only_exit_p): New.
199 (number_of_iterations_exit): Pass result of loop_only_exit_p to
200 number_of_iterations_cond.
202 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
204 PR tree-optimization/26643
205 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
208 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
210 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
211 (divsi3_i4_int): Likewise.
213 2006-03-28 Roger Sayle <roger@eyesopen.com>
215 * expr.c (emit_group_store): Only create a new pseudo reg if the
216 quantity it needs to hold isn't already a suitable pseudo.
218 2006-03-28 Jeff Law <law@redhat.com>
220 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
221 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
223 2006-03-28 Roger Sayle <roger@eyesopen.com>
225 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
226 the equivalent ~X & Y, and the symmetry related transformations.
227 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
228 ~X & Y, and symmetry related transforms.
230 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
232 Revert my 2006-03-27 patches.
234 2006-03-28 Roger Sayle <roger@eyesopen.com>
236 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
237 ~(T1)X, when T1 and T2 are integer types of the same precision
238 and (T2)X isn't an extension.
240 2006-03-28 Jeff Law <law@redhat.com>
242 PR tree-optimization/26796
243 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
244 need EH edge cleanups rather than purging them immediately.
245 (eliminate_degenerate_phis): Handle queued EH cleanups.
247 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
249 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
252 2006-03-27 Roger Sayle <roger@eyesopen.com>
255 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
256 cast BIT_NOT_EXPR operand to the correct type.
258 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
260 * tree-loop-linear.c: Don't include varray.h.
261 (gather_interchange_stats, try_interchange_loops,
262 linear_transform_loops): Use VEC instead of VARRAY.
263 * lambda-mat.c: Don't include varray.h.
264 * tree-chrec.c: Same.
265 * lambda-trans.c: Same.
266 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
267 VEC instead of VARRAY.
268 * tree-vectorizer.h: Idem.
269 * tree-data-ref.c (dump_data_references,
270 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
271 initialize_data_dependence_relation, finalize_ddr_dependent,
272 compute_all_dependences, find_data_references_in_loop,
273 compute_data_dependences_for_loop, analyze_all_data_dependences,
274 free_dependence_relation, free_dependence_relations,
275 free_data_refs): Idem.
276 * tree-data-ref.h (data_reference_p, subscript_p): New.
277 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
278 VEC instead of VARRAY.
279 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
280 (find_data_references_in_loop, compute_data_dependences_for_loop,
281 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
282 dump_data_dependence_relations, free_dependence_relations,
283 free_data_refs): Adjust declaration.
284 (lambda_transform_legal_p): Move declaration here...
285 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
286 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
287 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
288 vect_analyze_data_refs): Use VEC instead of VARRAY.
289 * lambda.h (lambda_transform_legal_p): ...from here.
290 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
291 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
292 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
293 tree-chrec.o): Don't depend on VARRAY_H.
295 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
297 * rtl.def (Copyright): Update date.
298 (DEPS_LIST): Change type of the second operand to 'int'.
299 * target.h (Copyright): Update date.
300 (struct gcc_target.speculate_insn): Change type of the second parameter
302 * lists.c (Copyright): Update date.
303 (alloc_DEPS_LIST): Change signature. Update reference to the second
304 operand of the DEPS_LIST.
305 (copy_DEPS_LIST_list): Update reference to the second operand of the
307 * rtl.h (Copyright): Update date.
308 (alloc_DEPS_LIST): Update signature.
309 * sched-int.h (Copyright): Update date.
310 (ds_t): Change typedef to 'int'.
311 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
313 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
315 * haifa-sched.c (Copyright): Update date.
316 (try_ready): Change condition to restore non-speculative pattern
318 (process_insn_depend_be_in_spec): Code to keep probability of the
319 speculative dependence non-decreasing.
321 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
323 * regrename.c (replace_oldest_value_addr): Initialize a variable to
324 shut up the compiler.
326 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
328 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
329 to use lib prefix for target.
330 ($(T)libic_invalidate_array_4-200.a): Likewise.
331 ($(T)libic_invalidate_array_4a.a): Likewise.
333 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
334 J"orn Rennecke <joern.rennecke@st.com>
336 * superh.opt: New file.
337 * sh.c (boardtype, osruntime): Remove.
338 * superh.h (SUBTARGET_OPTIONS): Remove.
339 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
341 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
342 arguments with ^ and/or [].
344 * config.gcc (sh-*-*): Add quoting to account for quirk of
346 Replace == with = in enable_incomplete_targets test.
348 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
349 with MASK_LITTLE_ENDIAN.
351 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
352 * config/sh/sh.opt: Added to some comments.
353 * config/sh/superh.h: Removed some chaff.
355 * config/sh/sh.opt: Add m4-[1234]00* options.
356 * config/sh/sh.c (sh_handle_option): Likewise.
357 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
358 (ic_invalidate_array_4-100.o): New rule.
359 ($(T)libic_invalidate_array_4-100.a): Likewise.
360 (ic_invalidate_array_4-200.o): Likewise.
361 ($(T)libic_invalidate_array_4-200.a): Likewise.
362 (ic_invalidate_array_4a.o): Likewise.
363 ($(T)libic_invalidate_array_4a.a): Likewise.
364 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
365 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
367 * config/sh/crt1.asm: Merged in profiling code.
368 * config/sh/superh.h (STARTFILE_SPEC): Override.
369 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
370 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
371 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
373 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
374 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
375 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
377 * sh.opt (mpretend-cmove): New option.
378 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
379 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
380 (movsicc): Add TARGET_PRETEND_CMOVE code.
382 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
384 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
385 s390_class_max_nregs): New function prototypes.
386 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
387 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
388 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
389 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
391 2006-03-26 Geoffrey Keating <geoffk@apple.com>
393 * dwarf2out.c (add_location_or_const_value_attribute): Call
394 tree_add_const_value_attribute if nothing else works.
395 (reference_to_unused): New.
396 (rtl_for_decl_init): Use reference_to_unused to decide whether
397 to output an initializer.
399 2006-03-27 Alan Modra <amodra@bigpond.net.au>
402 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
403 peephole removing spe frob_di_df_2.
405 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
407 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
408 (subscript_dependence_tester_1): Declared.
409 (print_dir_vectors, print_dist_vectors): New.
410 (debug_data_dependence_relation): New.
411 (dump_data_dependence_relation): Print more details.
412 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
413 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
414 (save_dist_v, save_dir_v, add_outer_distances,
415 build_classic_dist_vector_1): New.
416 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
417 Don't test for lambda_vector_lexico_pos.
418 (same_access_functions, add_multivariate_self_dist,
419 add_other_self_distances, dir_from_dist): New.
420 (build_classic_dir_vector): Replace implementation almost identical to
421 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
423 (subscript_dependence_tester_1): New.
424 (subscript_dependence_tester): Handle the lexicographically negative
425 distance vectors by recomputing the dependence relation.
426 (compute_affine_dependence): Remove parameter loop_nest_depth.
427 (compute_self_dependence): Don't call compute_subscript_distance.
428 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
429 Add a parameter for the loop_nest.
430 (find_loop_nest_1, find_loop_nest): New.
431 (compute_data_dependences_for_loop): Compute the loop nest, and give
432 up if the nest is not well formed.
433 * tree-data-ref.h (loop_p): New.
434 (struct data_dependence_relation): Replace size_vect field with
435 loop_nest, a vec of loops.
436 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
437 (DDR_LOOP_NEST): New.
438 (print_dir_vectors, print_dist_vectors,
439 debug_data_dependence_relation): Declared.
440 (index_in_loop_nest): New.
441 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
442 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
445 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
447 * simplify-rtx.c (simplify_relational_operation): Call
448 simplify_relational_operation_1 even if mode is VOIDmode.
450 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
452 PR tree-optimization/26804
453 * tree.h (DECL_CALL_CLOBBERED): New macro.
454 (tree_decl_common): Add call_clobbered_flag.
455 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
456 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
457 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
458 (mark_non_addressable): Ditto.
459 * tree-ssa.c (verify_call_clobbered): New function.
460 (verify_alias_info): Use it.
461 * tree-pass.h (pass_reset_cc_flags): New prototype.
462 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
463 (reset_cc_flags): New function.
464 * passes.c (init_optimization_passes): Call reset_cc_flags after
465 initializing referenced_vars.
467 2006-03-25 Uros Bizjak <uros@kss-loka.si>
468 Roger Sayle <roger@eyesopen.com>
471 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
472 to 1.0 for non-real operands. Implement A / A optimization for
475 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
477 * config/i386/i386.c (size_cost): Correct the comment for
478 cost of storing fp registers.
479 (i386_cost): Likewise.
480 (i486_cost): Likewise.
481 (pentium_cost): Likewise.
482 (pentiumpro_cost): Likewise.
484 (athlon_cost): Likewise.
486 (pentium4_cost): Likewise.
487 (nocona_cost): Likewise.
488 (generic64_cost): Likewise.
489 (generic32_cost): Likewise.
491 2006-03-24 Denis Chertykov <denisc@overta.ru>
493 * config/avr/avr-protos.h (extra_constraint): Delete.
494 (extra_constraint_Q): New declaration.
495 * config/avr/constraints.md: New file.
496 * config/avr/avr.md: Include it.
497 (REG_X, REG_Y, REG_Z, REG_W): New constants.
498 (TMP_REGNO, ZERO_REGNO): Likewise.
499 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
500 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
501 (extra_constraint): Delete.
502 (extra_constraint_Q): Test for memory constraint 'Q'.
503 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
504 (REG_CLASS_FROM_LETTER): Delete.
505 (CONST_OK_FOR_LETTER_P): Delete.
506 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
507 (EXTRA_CONSTRAINT): Delete.
509 (ZERO_REGNO): Delete.
511 2006-03-24 Jeff Law <law@redhat.com>
513 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
514 directly. Call mark_new_vars_to_rename slightly earlier.
516 2006-03-24 Geoffrey Keating <geoffk@apple.com>
518 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
520 (gen_compile_unit_die): Use new language types for Objective-C and
522 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
526 * config/t-darwin (crt3.o): Work around bug 26840.
527 * config/darwin-crt3.c: Rewrite.
528 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
530 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
532 * doc/invoke.texi: Document -femit-class-debug-always
533 * common.opt: Add -femit-class-debug-always.
535 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
537 * config/s390/s390.c (s390_decompose_address): Allow SImode for
538 index and base register.
539 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
540 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
541 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
542 REGNO_OK_FOR_INDEX_P.
543 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
545 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
546 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
547 REG_OK_FOR_BASE_P): Definitions removed.
549 2006-03-24 Jakub Jelinek <jakub@redhat.com>
552 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
553 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
554 set yet or weren't marked as local yet.
556 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
558 * regrename.c (scan_rtx_address): Initialize a variable to shut up
561 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
563 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
564 (rs6000_legitimate_small_data_p): Delete.
565 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
566 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
567 and make static. Add forward declaration. Update uses.
568 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
569 of offsettable_memref_p.
570 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
571 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
573 2006-03-24 Jeff Law <law@redhat.com>
575 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
576 around bug in immediate-use iterator.
578 2006-03-24 Alan Modra <amodra@bigpond.net.au>
581 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
582 or __LITTLE_ENDIAN__.
584 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
586 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
587 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
588 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
589 * config/sh/sh.opt (mdiv=): Amend description.
590 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
591 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
592 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
593 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
594 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
595 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
596 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
597 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
598 TARGET_DIVIDE_CALL_FP.
600 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
602 * haifa-sched.c (choose_ready): Fix type of the local variable.
603 Move local variables. Add comment.
604 (check_reg_live): Change signature. Make callable from debugger.
605 * sched-int.h (check_reg_live): Update signature.
606 * sched-ebb.c (check_reg_live): Update parameters.
607 * sched-rgn.c (check_reg_live): Ditto.
608 (region_head_or_leaf_p): Check pointer before dereferencing.
609 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
610 before reload on optimization levels below 1.
612 2006-03-23 Richard Henderson <rth@redhat.com>
614 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
618 * config/alpha/predicates.md (local_symbolic_operand): Reject
621 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
624 * tree-ssa-pre.c (create_value_expr_from): Don't reject
625 expressions which have overflowed constants.
627 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
629 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
631 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
633 * cfgloopmanip.c (create_loop_notes): Removed.
634 * final.c (final_scan_insn): Do not handle loop notes.
635 * jump.c (squeeze_notes): Ditto.
636 * cfglayout.c (skip_insns_after_block,
637 duplicate_insn_chain): Ditto.
638 * cfgcleanup.c (rest_of_handle_jump2): Do not call
640 * cfgloop.h (create_loop_notes): Declaration removed.
642 2006-03-23 Richard Sandiford <richard@codesourcery.com>
644 * varasm.c (output_constant_pool): Restore fnname and fndecl
646 (assemble_start_function): Adjust call accordingly.
647 (assemble_end_function): Likewise.
649 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
652 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
655 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
657 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
660 * system.h (ICE_EXIT_CODE): New macro.
661 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
662 (diagnostic_action_after_output): Likewise.
663 * gcc.c (fatal_ice): New function.
664 (execute): Use it instead of fatal.
665 (fancy_abort): Likewise.
666 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
668 2006-03-22 Jeff Law <law@redhat.com>
670 * loop-unroll.c (analyze_iv_to_split_insn): Handle
671 iv_analyze_result returning false.
673 2006-03-22 Jie Zhang <jie.zhang@analog.com>
675 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
677 2006-03-22 Richard Henderson <rth@redhat.com>
680 * except.c (duplicate_eh_regions_0): New.
681 (duplicate_eh_region_1): Duplicate the children of the node as
682 well as the node itself. Link them up properly.
683 (duplicate_eh_region_2): Merge into ...
684 (duplicate_eh_regions): ... here. Take copy_region argument, and
685 copy only a sub-tree if asked. Simplify copying and fixup.
686 (eh_region_outer_p): New.
687 * except.h (duplicate_eh_regions): Update decl.
688 (eh_region_outer_p): Declare.
689 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
690 (lower_omp_master): Likewise.
691 (lower_omp_ordered): Likewise.
692 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
693 (move_stmt_r): Use it to remap labels. Handle recursion vs
694 remap_decls_p properly.
695 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
696 (find_outermost_region_in_block): New.
697 (new_label_mapper): New.
698 (move_sese_region_to_fn): Copy eh information to the new function
700 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
702 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
705 2006-03-22 Richard Sandiford <richard@codesourcery.com>
707 * doc/md.texi (-mshared): Mention that -mshared code can be linked
708 into shared libraries.
710 2006-03-22 Richard Sandiford <richard@codesourcery.com>
712 * doc/md.texi: Refer to i386/constraints.md instead of
714 * config/i386/constraints.md: New file, extracted from...
715 * config/i386/predicates.md: ...here.
716 * config/i386/i386.md: Include constraints.md.
718 2006-03-21 Jason Merrill <jason@redhat.com>
720 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
723 * expr.c (init_block_move_fn): Force default visibility.
724 (init_block_clear_fn): Likewise.
725 * builtins.c (expand_builtin_fork_or_exec): Likewise.
726 * targhooks.c (default_external_stack_protect_fail): Likewise.
728 2006-03-21 Richard Sandiford <richard@codesourcery.com>
730 * config/mips/predicates.md (const_call_insn_operand): Allow direct
731 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
732 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
733 Use TARGET_OLDABI instead of !TARGET_NEWABI.
734 (loadgp): Use mips_current_loadgp_style.
735 (loadgp_noshared): New pattern.
736 (sibcall_internal): Use MIPS_CALL.
737 (sibcall_value_internal): Likewise.
738 (sibcall_value_multiple_internal): Likewise.
739 (call_internal): Likewise.
740 (call_value_internal): Likewise.
741 (call_value_multiple_internal): Likewise.
742 (call_split): Use MIPS_CALL and add an 'S' constraint.
743 (call_value_split): Likewise.
744 (call_value_multiple_split): Likewise.
745 * config/mips/mips.opt (-mabicalls): Tweak docstring.
746 (-mshared): New option.
747 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
748 (mips_current_loadgp_style): Declare.
749 * config/mips/mips.c (mips_classify_symbol): Avoid using
750 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
751 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
752 TARGET_ABSOLUTE_ABICALLS.
753 (override_options): Adjust comments. Improve the warning that is
754 issued when -mabicalls and -G are used together.
755 (mips_file_start): Remove comment.
756 (mips_current_loadgp_style): New function.
757 (mips_gnu_local_gp): New variable.
758 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
760 (mips_output_function_prologue): Use mips_current_laodgp_style.
761 (mips_expand_prologue): Call mips_emit_loadgp before emitting
762 the cprestore instruction.
763 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
764 live for TARGET_ABSOLUTE_ABICALLS.
765 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
766 (ASM_SPEC): Pass down -mshared and -mno-shared.
767 (MIPS_CALL): New macro.
768 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
770 * doc/invoke.texi (-mabicalls): Update documentation.
771 (-mshared): Document.
773 2006-03-21 Steve Ellcey <sje@cup.hp.com>
775 * config/ia64/unwind-hpux.c: New file.
776 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
778 2006-03-21 Steve Ellcey <sje@cup.hp.com>
781 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
783 2006-03-21 Jeff Law <law@redhat.com>
785 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
786 type conversions of a VR_VARYING source to a wider type.
788 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
790 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
791 tm_file on Solaris 10 and later.
792 (sparc64-*-solaris2*): Likewise.
793 (sparc-*-solaris2*): Likewise.
794 * config/sol26.h: Rename to config/sol2-6.h.
795 * config/sol2-10.h: New file.
797 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
800 * tree-ssa-pre.c (create_component_ref_by_pieces):
803 2006-03-21 Jakub Jelinek <jakub@redhat.com>
806 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
807 return it immediately.
809 2006-03-21 Michael Matz <matz@suse.de>
811 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
813 (remove_arc, add_arc): Update num_out_arcs member.
814 (set_out_arc_insns_equiv_num): Returns nothing instead of number
816 (cache_presence): New function.
817 (compare_states_for_equiv): New function.
818 (state_is_differed): Don't take number of outargs, adjust callers.
819 Use new invariant for speeding up.
820 (init_equiv_class): Create initial classes based on sorted
822 (partition_equiv_class): Don't track out_arcs_num.
823 (evaluate_equiv_classes): Call cache_presence on all states and
826 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
828 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
829 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
830 (bfin_valid_reg_p): Test for pseudos explicitly and use only
831 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
833 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
834 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
835 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
836 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
837 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
839 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
840 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
841 (REGNO_REG_CLASS): ARGP is in PREGS.
842 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
844 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
845 to deal with those addresses.
846 * addresses.h: New file.
847 * caller-save.c: Include "addresses.h".
848 (init_caller_save): Use new base_reg_class function.
849 * rtl-factoring.c: Include "addresses.h".
850 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
851 * recog.c: Include "addresses.h".
852 (preprocess_constraints): Use new base_reg_class function.
853 * regrename.c: Include "addresses.h".
854 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
855 functions. Keep track of a new var INDEX_CODE to compute valid
857 (replace_oldest_value_addr): Likewise.
858 (replace_oldest_value_mem): Use base_reg_class.
859 * reload.c: Include "addresses.h".
860 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
861 (find_reloads): Use new base_reg_class function.
862 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
863 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
864 all callers and prototype changed.
865 * reload1.c: Include "addresses.h".
866 (maybe_fix_stack_asms): Use base_reg_class.
867 * regclass.c: Include "addresses.h".
868 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
869 (init_reg_autoinc): Use new base_reg_class function.
870 (record_reg_classes): Likewise.
871 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
872 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
873 Use new args to compute necessary class.
875 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
876 regrename.o, rtl-factoring.o): Update dependencies.
877 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
878 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
879 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
880 REG_OK_FOR_INDEX_P): Delete documentation.
882 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
884 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
885 from V7 to V9 for Solaris 7 and above.
887 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
889 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
890 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
891 argument pointers may not alias any other storage.
892 * common.opt: Define option -fargument-noalias-anything.
893 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
894 alias semantics is specified by flag_argument_noalias > 2.
896 2006-03-20 Jeff Law <law@redhat.com>
898 * tree-pass.h (pass_phi_only_copy_prop): Delete.
899 (pass_phi_only_cprop): Declare.
900 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
902 * tree-ssa-dom.c (degenerate_phi_result): New function.
903 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
904 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
905 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
906 (eliminate_degenerate_phis): Likewise.
907 (pass_phi_only_cprop): New pass descriptor.
908 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
909 support code. Callers updated.
910 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
911 (store_copy_prop): Likewise.
912 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
914 2006-03-20 Jason Merrill <jason@redhat.com>
917 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
918 (push_visibility, pop_visibility): Likewise.
919 * c-pragma.h: Declare them.
921 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
923 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
925 * config/sh/sh.c (find_regmode_weight): Change the type of the first
926 parameter and use get_ebb_head_tail.
927 (sh_md_init_global): Adjust uses of find_regmode_weight.
929 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
931 * function.h (struct function) <x_tail_recursion_reentry>:
932 Rename to x_stack_check_probe_note.
933 (tail_recursion_reentry): Rename to stack_check_probe_note.
934 * function.c: Replace tail_recursion_reentry with
935 stack_check_probe_note everywhere.
936 (expand_function_start): Only emit a note for
937 stack_check_probe_note with -fstack-protect.
938 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
940 * emit-rtl.c (remove_unnecessary_notes): Remove.
941 (pass_remove_unnecessary_notes): Remove.
942 * rtl.h (remove_unnecessary_notes): Remove prototype.
943 * final.c (final_start_function): Don't call remove_unnecessary_notes.
944 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
945 * passes.c (pass_remove_unnecessary_notes): Don't run it.
947 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
950 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
951 (valid_in_set): Handle ARRAY_REF.
952 Change "if min_variant or VH" to asserts.
953 (create_component_ref_by_pieces): Handle ARRAY_REF.
954 (create_expression_by_pieces): Likewise.
955 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
957 2006-03-20 David Edelsohn <edelsohn@gnu.org>
959 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
960 is operand of switch, not str[0].
962 2006-03-20 Alan Modra <amodra@bigpond.net.au>
964 * config/rs6000/rs6000.c (rs6000_handle_option): Use
965 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
967 2006-03-19 David Edelsohn <edelsohn@gnu.org>
969 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
970 end of insn_extra_address_constraint declaration.
972 2006-03-19 David Edelsohn <edelsohn@gnu.org>
974 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
975 (no-sum-in-toc): Same.
976 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
978 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
979 NO_FP_IN_TOC for -fPIC instead of mask.
981 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
982 (BOOT_LDFLAGS): Delete.
984 * config/rs6000/t-aix52: Same.
986 * config/rs6000/rs6000.md (store_multiple_power): Delete.
987 (stmsi[345678]_power): New.
989 2006-03-17 Steve Ellcey <sje@cup.hp.com>
991 * config/ia64/ia64.opt: Add empty line to end of file.
993 2006-03-17 Richard Guenther <rguenther@suse.de>
996 * builtins.c (get_pointer_alignment): For component style references
997 adjust alignment to the component type alignment. Make sure
998 to adjust alignment for component access of constants.
1000 2006-03-17 David Edelsohn <edelsohn@gnu.org>
1002 * config/rs6000/rs6000.md (strlensi): Emit barrier after
1005 2006-03-17 Paul Brook <paul@codesourcery.com>
1007 * doc/install.texi: Docuemnt --with-mode.
1008 * config.gcc: Add --with-mode for arm*-*-*.
1009 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
1011 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
1013 * sh.c (max_labelno_before_reorg): New variable.
1014 (sh_reorg): Initialize it.
1015 (find_barrier): Check max_labelno_before_reorg before using
1016 label_to_alignment. Take length of explicit alignment insns
1017 into account. When seeing a UNSPECV_CONST_END, return it.
1019 * sh.c (fixup_mova): Set mode of affected label to QImode.
1020 (untangle_mova): New function.
1021 (find_barrier): Use it. Check mode of label before decrementing
1023 (sh_reorg): Likewise.
1024 Set mode of all insns back to VOIDmode.
1026 * sh.c (MOVA_LABELREF): New macro.
1027 (mova_p, fixup_mova, sh_reorg): Use it.
1028 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
1029 ADDR_DIFF_VEC matches mova.
1031 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
1033 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
1034 with ATTRIBUTE_UNUSED.
1036 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1038 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1039 pointer, instead of assuming it is possible to derive the
1040 correct args size from a call insn.
1042 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1044 * rtl.h (CONST_INT_P): Define.
1045 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
1046 instead of GET_CODE(x) == CONST_INT.
1047 (vax_rtx_costs): Likewise.
1048 (vax_output_int_move): Likewise.
1049 (vax_output_int_add): Likewise.
1050 (legitimate_constant_address_p): Likewise.
1051 (index_term_p): Likewise.
1052 * config/vax/vax.h (PRINT_OPERAND): Likewise.
1053 * config/vax/vax.md (and<mode>3): Likewise.
1054 (ashrsi3): Likewise.
1056 (movstricthi): Likewise.
1057 (movstrictqi): Likewise.
1058 (rotrsi3): Likewise.
1059 (five unnamed insns): Likewise.
1061 2006-03-16 Geoffrey Keating <geoffk@apple.com>
1063 * doc/tm.texi (SDB and DWARF): Add extra parameter to
1064 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
1065 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
1066 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
1067 Pass to ASM_OUTPUT_DWARF_OFFSET.
1068 * dwarf2out.c (debug_frame_section): New.
1069 (output_call_frame_info): Use debug_frame_section. Pass it to
1070 dw2_asm_output_offset.
1071 (output_die): Pass appropriate section to dw2_asm_output_offset.
1072 (output_compilation_unit_header): Likewise.
1073 (output_pubnames): Likewise.
1074 (output_aranges): Likewise.
1075 (enum dw_val_class): Break dw_val_class_lbl_offset into
1076 dw_val_class_lineptr and dw_val_class_macptr.
1077 (add_AT_lbl_offset): Delete.
1078 (add_AT_lineptr): New.
1079 (add_AT_macptr): New.
1080 (AT_lbl): Expect a lineptr or macptr.
1081 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
1082 (attr_checksum): Likewise.
1083 (same_dw_val_p): Likewise.
1084 (size_of_die): Likewise.
1085 (value_format): Likewise.
1086 (output_die): Likewise.
1087 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
1089 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1090 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
1091 * config/darwin-protos.h (darwin_file_start): New.
1092 (darwin_asm_output_dwarf_offset): New.
1093 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
1094 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
1096 * config/darwin.c (darwin_emit_unwind_label): Don't output label
1097 if not EH section; simplify.
1098 (darwin_file_start): New.
1099 (darwin_asm_output_dwarf_offset): New.
1100 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
1102 (DEBUG_INFO_SECTION): Likewise.
1103 (DEBUG_ABBREV_SECTION): Likewise.
1104 (DEBUG_ARANGES_SECTION): Likewise.
1105 (DEBUG_MACINFO_SECTION): Likewise.
1106 (DEBUG_LINE_SECTION): Likewise.
1107 (DEBUG_LOC_SECTION): Likewise.
1108 (DEBUG_PUBNAMES_SECTION): Likewise.
1109 (DEBUG_STR_SECTION): Likewise.
1110 (DEBUG_RANGES_SECTION): Likewise.
1111 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
1112 (ASM_OUTPUT_DWARF_OFFSET): New.
1114 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
1116 * config.gcc (tm_defines): Always add to previous value rather
1119 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1121 * config/mips/predicates.md (splittable_const_int_operand): New,
1122 split from move_operand.
1123 (splittable_symbolic_operand): New.
1124 (move_operand): Add commentary. Use splittable_const_int_operand.
1125 Inline mips_atomic_symbolic_constant_p.
1126 * config/mips/mips.md: Add combine splitters for handling moves
1127 of splittable_const_int_operands and splittable_symbolic_operands.
1128 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
1129 (mips_split_symbol): Declare.
1130 (mips_move_integer): Declare.
1131 * config/mips/mips.c (mips_split_p): Make global.
1132 (TARGET_MIN_ANCHOR_OFFSET): Override default.
1133 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
1134 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
1135 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
1136 (mips_offset_within_object_p): Handle block symbols.
1137 (mips_atomic_symbolic_constant_p): Delete.
1138 (mips_cannot_force_const_mem): Return false for constants that
1139 mips_legitimize_move can handle.
1140 (mips_use_blocks_for_constant_p): New function.
1141 (mips_split_symbol): Make global.
1142 (mips_move_integer): Likewise. Add a temporary register argument.
1143 (mips_legitimize_const_move): Use splittable_const_int_operand and
1144 splittable_symbolic_operand.
1145 (mips_use_anchors_for_symbol_p): New function.
1146 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
1147 (mips_split_p): Declare.
1149 2006-03-16 Richard Sandiford <richard@codesourcery.com>
1151 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
1152 (mips*-*-linux*): Likewise.
1154 2006-03-16 Roger Sayle <roger@eyesopen.com>
1155 Daniel Speyer <dspeyer@wam.umd.edu>
1158 * tree-dump.c (dump_real): New function.
1159 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
1160 * Makefile.in (REAL_H): New macro for dependencies on real.h.
1161 (tree-dump.o): Add $(REAL_H) to the dependencies.
1163 2006-03-16 Roger Sayle <roger@eyesopen.com>
1166 * real.c (real_from_string): If the mantissa is zero, don't bother
1167 parsing the exponent as the result should always be zero.
1169 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
1171 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
1173 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1175 * config/ia64/ia64.c (stops_p): Added explicit initialization.
1176 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
1177 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
1178 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
1179 ia64_sched_finish_global): New static functions to implement
1180 hooks from gcc_target.sched.
1181 (spec_check_no, max_uid, pending_data_specs): New static variables.
1182 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
1183 ia64_spec_check_src_p): New static functions.
1184 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
1185 (TARGET_SCHED_ADJUST_COST): Removed.
1186 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
1187 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
1188 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1189 TARGET_SCHED_GEN_CHECK,
1190 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1191 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
1192 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
1193 Fixed to handle speculation checks.
1194 (rtx_needs_barrier): Fixed to handle speculative loads and
1196 (ia64_variable_issue): Added code to count speculative loads and their
1198 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
1200 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
1202 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
1204 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
1205 (ia64_reorg): Reset stops_p to NULL after it is freed.
1206 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
1207 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
1208 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
1210 (data_speculative, control_speculative, check_load): New attributes.
1211 (mov<mode>_advanced, mov<mode>_speculative,
1212 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
1213 zero_extend<mode>di2_speculative,
1214 zero_extend<mode>di2_speculative_advanced): New patterns for
1215 data and control speculative loads.
1216 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
1218 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
1219 New pattern for data and control speculation checks.
1220 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
1221 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
1222 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
1223 Auxiliary definitions for the patterns.
1224 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
1225 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
1227 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
1229 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
1230 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
1231 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
1232 New resource constraints.
1233 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
1235 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
1236 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
1237 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1238 msched-in-control-spec, msched-ldc, msched-control-ldc,
1239 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1240 msched-prefer-non-control-spec-insns,
1241 msched-count-spec-in-critical-path): New flags to tune speculative
1243 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
1244 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
1245 msched-in-control-spec, msched-ldc, msched-control-ldc,
1246 msched-spec-verbose, msched-prefer-non-data-spec-insns,
1247 msched-prefer-non-control-spec-insns,
1248 msched-count-spec-in-critical-path): Document new flags.
1250 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1252 * target.h (struct spec_info_def): New opaque declaration.
1253 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
1254 speculate_insn, needs_block_p, gen_check,
1255 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
1256 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1257 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
1258 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
1259 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1260 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
1262 (TARGET_SCHED): Use new macros.
1263 * rtl.h (copy_DEPS_LIST_list): New prototype.
1264 * sched-int.h (struct sched_info): Change signature of new_ready field,
1265 adjust all initializations. New fields: add_remove_insn,
1266 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
1267 region_head_or_leaf_p.
1268 (struct spec_info_def): New structure declaration.
1269 (spec_info_t): New typedef.
1270 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
1271 recovery_block, orig_pat.
1272 (glat_start, glat_end): New variables declaraions.
1273 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
1275 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
1276 DETACH_LIFE_INFO, USE_GLAT.
1277 (enum SPEC_SCHED_FLAGS): New enumeration.
1278 (NOTE_NOTE_BB_P): New macro.
1279 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
1280 attach_life_info, debug_spec_status, check_reg_live): New functions.
1281 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
1282 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
1284 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
1285 * ddg.c (get_block_head_tail): Adjust all uses.
1286 * modulo-sched.c (get_block_head_tail): Adjust all uses.
1287 (sms_sched_info): Initialize new fields.
1288 (contributes_to_priority): Removed.
1289 * haifa-sched.c (params.h): New include.
1290 (get_block_head_tail): Adjust all uses.
1291 (ISSUE_POINTS): New macro.
1292 (glat_start, glat_end): New global variables.
1293 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
1294 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
1295 old_last_basic_block, before_recovery, current_sched_info_var,
1296 rgn_n_insns, luid): New static variables.
1297 (insn_cost1): New function. Move logic from insn_cost to here.
1298 (find_insn_reg_weight1): New function. Move logic from
1299 find_insn_reg_weight to here.
1300 (reemit_notes, move_insn, max_issue): Change signature.
1301 (move_insn1): Removed.
1302 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
1303 extend_bb): New static functions to support extension of scheduler's
1305 (generate_recovery_code, process_insn_depend_be_in_spec,
1306 begin_speculative_block, add_to_speculative_block,
1307 init_before_recovery, create_recovery_block, create_check_block_twin,
1308 fix_recovery_deps): New static functions to support
1309 generation of recovery code.
1310 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
1311 restore_bb_notes, move_block_after_check, move_succs): New static
1312 functions to support ebb scheduling.
1313 (init_glat, init_glat1, attach_life_info1, free_glat): New static
1314 functions to support handling of register live information.
1315 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
1316 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
1317 add_jump_dependencies): New static functions.
1318 (check_cfg, has_edge_p, check_sched_flags): New static functions for
1319 consistancy checking.
1320 (debug_spec_status): New function to call from debugger.
1321 (priority): Added code to handle speculation checks.
1322 (rank_for_schedule): Added code to distinguish speculative instructions.
1323 (schedule_insn): Added code to handle speculation checks.
1324 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
1325 Fixed to handle ebbs.
1326 (move_insn): Added code to handle ebb scheduling.
1327 (max_issue): Added code to use ISSUE_POINTS of instructions.
1328 (choose_ready): Added code to choose between speculative and
1329 non-speculative instructions.
1330 (schedule_block): Added code to handle ebb scheduling and scheduling of
1331 speculative instructions.
1332 (sched_init): Initialize new variables.
1333 (sched_finish): Free new variables. Print statistics.
1334 (try_ready): Added code to handle speculative instructions.
1335 * lists.c (copy_DEPS_LIST_list): New function.
1336 * sched-deps.c (extend_dependency_caches): New function. Move logic
1337 from create_dependency_caches to here.
1338 (get_dep_weak, ds_merge): Make global.
1339 * genattr.c (main): Code to output prototype for
1340 dfa_clear_single_insn_cache.
1341 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
1342 (output_dfa_clean_insn_cache_func): Code to output
1343 dfa_clear_single_insn_cache function.
1344 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
1346 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
1348 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
1349 New static variables.
1350 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
1351 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
1353 (ebb_sched_info): Initialize new fields.
1354 (get_block_head_tail): Adjust all uses.
1355 (compute_jump_reg_dependencies): Fixed to use glat_start.
1356 (schedule_ebb): Code to remove unreachable last block.
1357 (schedule_ebbs): Added code to update register live information.
1358 * sched-rgn.c (region_sched_info): Initialize new fields.
1359 (get_block_head_tail): Adjust all uses.
1360 (last_was_jump): Removed. Adjust users.
1361 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
1362 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
1363 Implement new hooks.
1364 (check_dead_notes1): New static function.
1365 (struct region): New fields: dont_calc_deps, has_real_ebb.
1366 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
1367 (BB_TO_BLOCK): Fixed to handle EBBs.
1368 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
1369 (ebb_head): New static variable.
1370 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
1371 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
1373 (compute_dom_prob_ps): New assertion.
1374 (check_live_1, update_live_1): Fixed to work with glat_start instead of
1375 global_live_at_start.
1376 (init_ready_list): New assertions.
1377 (can_schedule_ready_p): Split update code to begin_schedule_ready.
1378 (new_ready): Add support for BEGIN_CONTROL speculation.
1379 (schedule_insns): Fixed code that updates register live information
1381 (schedule_region): Fixed to handle EBBs.
1382 (init_regions): Use extend_regions and check_dead_notes1.
1383 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
1384 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
1385 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
1386 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
1387 TARGET_SCHED_GEN_CHECK,
1388 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
1389 TARGET_SCHED_SET_SCHED_FLAGS): Document.
1390 * doc/invoke.texi (max-sched-insn-conflict-delay,
1391 sched-spec-prob-cutoff): Document.
1393 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1395 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
1396 inter_tick, queue_index.
1397 (struct sched_info): Change signature of init_ready_list field.
1398 Adjust all initializations.
1399 (RESOLVED_DEPS): New access macro.
1400 (ready_add): Remove prototype.
1401 (try_ready): Add prototype.
1402 * sched-rgn.c (init_ready_list): Use try_ready.
1403 (schedule_region): Initialize
1404 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
1405 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
1406 (init_ready_list): Use try_ready.
1407 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
1408 * lists.c (remove_list_elem): Remove `static'.
1409 (remove_free_INSN_LIST_elem): New function.
1410 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
1411 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
1412 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
1414 (readyp): New variable.
1415 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
1416 change_queue_index, resolve_dep): New static functions.
1417 (try_ready): New function. Adjust callers in sched-rgn.c and
1418 sched-ebb.c to use it instead of ready_add.
1419 (clock_var): Move at the begining of file.
1420 (rank_for_schedule): Fix typo.
1421 (queue_insn): Add assertion. Handle QUEUE_INDEX.
1422 (ready_lastpos): Enforce assertion.
1423 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
1425 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
1426 (schedule_insn): Rewrite to use try_ready and resolve_dep.
1427 (queue_to_ready): Use free_INSN_LIST_list.
1428 (early_queue_to_ready): Fix typo.
1429 (schedule_block): Init readyp. Move init_ready_list call after the
1430 initialization of clock_var. Fix error in rejecting insn by
1431 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
1432 that previously corrected INSN_TICKs. Add code for handling
1434 (set_priorities): Fix typo.
1435 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
1436 Clarify comment and code that keeps current_sched_info->next_tail
1439 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1441 * sched-rgn.c (extend_rgns): New static function.
1442 (find_rgns): Use it.
1443 (gather_region_statistics, print_region_statistics): New static
1445 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
1446 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
1448 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1449 Andrey Belevantsev <abel@ispras.ru>
1451 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
1452 * lists.c (unused_deps_list): New variable.
1453 (free_list): Add assertions to verify the proper distinguishing
1454 between INSN_LISTs and DEPS_LISTs.
1455 (find_list_elem, remove_list_elem, remove_list_node): New static
1457 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
1458 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
1459 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
1460 (alloc_INSN_LIST): Assert that the list we're working on is indeed
1462 (free_INSN_LIST_node): Likewise.
1463 * modulo-sched.c (current_sched_info): Initialize flags field.
1464 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
1465 * rtl.def (DEPS_LIST): Define.
1466 * rtl.h: Declare new functions from lists.c.
1467 * sched-deps.c (spec_dependency_cache): New static variable.
1468 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
1469 (add_dependence): Change return type to void. Move the logic to ...
1470 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
1471 (delete_all_dependences): Add comment about forward_dependency_cache.
1472 Handle spec_dependency_cache. Handle DEPS_LISTs.
1473 (fixup_sched_groups): Clarify the change of priority of output
1474 and anti dependencies.
1475 (sched_analyze_2): Adjust add_dependence calls to create data
1476 speculative dependence.
1477 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
1478 Adjust all callers. Handle DEPS_LISTS.
1479 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
1480 presence of speculation.
1481 (init_dependency_caches, free_dependency_caches):
1482 Handle spec_dependency_cache.
1483 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
1484 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
1485 New static functions.
1486 (add_or_update_back_dep, add_or_update_back_forw_dep,
1487 add_back_forw_dep, delete_back_forw_dep): New functions.
1488 * sched-int.h (ds_t, dw_t): New typedefs.
1489 (struct sched_info): Add new field flags.
1490 (struct haifa_insn_data): Add new bitfield has_internal_dep.
1491 Prototype new sched-deps.c functions.
1492 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
1493 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
1494 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
1495 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
1496 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
1497 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
1499 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
1501 * sched-rgn.c (current_sched_info): Initialize flags field.
1502 (schedule_insns): Initialize current_sched_info before the sched_init
1504 * sched-ebb.c (current_sched_info): Initialize flags field.
1505 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
1506 Call add_or_update_back_dep instead of add_dependence.
1507 Create control speculative dependencies.
1508 (schedule_insns): Initialize current_sched_info before the sched_init
1511 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
1513 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
1515 (sh_fallback_frame_state): Likewise.
1517 2006-03-15 Geoffrey Keating <geoffk@apple.com>
1519 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
1520 Do switch on default_use_cxa_atexit.
1521 (powerpc*-*-darwin*): Build crt2.o on powerpc.
1522 * config/darwin-crt3.o: New.
1523 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
1524 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
1525 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
1527 * config/rs6000/t-darwin: Move crt2.o building to here.
1528 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
1529 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
1532 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1534 * config/vax/vax.c (nonindexed_address_p): Change logical negation
1535 from '! xxx' to '!xxx' for coding-style conformance.
1536 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
1537 (EXTRA_CONSTRAINT): Likewise.
1538 * config/vax/vax.md (four unnamed insns): Likewise.
1540 2006-03-15 Paul Brook <paul@codesourcery.com>
1542 * config/arm/arm.c (minipool_pad): New.
1543 (add_minipool_forward_ref): Include pool alignment padding in address
1545 (push_minipool_fix): Set minipool_pad.
1546 (minipool_pad): Ditto.
1548 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1550 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
1551 instead of GET_CODE() == MEM and REG_P() instead of
1553 (print_operand_address): Likewise.
1554 (vax_address_cost): Likewise.
1555 (vax_rtx_costs): Likewise.
1556 (vax_notice_update_cc): Likewise.
1557 (vax_output_int_add): Likewise.
1558 (INDEX_REGISTER_P): Likewise.
1559 (BASE_REGISTER_P): Likewise.
1560 (nonindexed_address_p): Likewise.
1561 (vax_mode_dependent_address_p): Likewise.
1562 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
1563 (PRINT_OPERAND): Likewise.
1564 * config/vax/vax.md (ashlsi3): Likewise.
1565 (ashlsi3): Likewise.
1566 (some more unnamed insns): Likewise.
1568 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
1570 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
1571 iterator-style macro.
1572 (mark_control_dependent_edges_necessary): Update the use of
1573 EXECUTE_IF_CONTROL_DEPENDENT.
1575 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
1577 * config/sh/predicates.md (cache_address_operand): Special.
1578 (ua_address_operand): Likewise.
1580 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
1582 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
1584 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
1586 2006-03-15 Andreas Schwab <schwab@suse.de>
1588 * gensupport.c (identify_predicable_attribute): Don't free p_false
1589 when it is still in use.
1591 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1593 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
1594 the default setting here.
1596 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
1598 * tree-pass.h (pass_cfg): Remove.
1599 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
1600 * passes.c (pass_cfg): Don't run it.
1602 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
1604 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
1605 * reg-stack.c (stack_regs_mentioned_data): Change the type to
1607 (stack_regs_mentioned): Update the uses of
1608 stack_regs_mentioned_data. Don't access the array beyond its
1610 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
1611 Don't include gt-reg-stack.h.
1613 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
1614 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
1616 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
1619 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
1622 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1624 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
1626 2006-03-14 Richard Guenther <rguenther@suse.de>
1628 PR tree-optimization/26672
1629 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
1632 2006-03-14 Richard Guenther <rguenther@suse.de>
1634 PR tree-optimization/26667
1635 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
1636 node for the callees. Always allow inlining if it will shrink
1639 2006-03-14 Richard Guenther <rguenther@suse.de>
1642 * builtins.c (get_pointer_alignment): Prefer alignment
1643 information from decls over that from types.
1645 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
1648 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
1650 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
1652 * config/rs6000/rs6000.opt (mdlmzb): New option.
1653 (msched-prolog, msched-epilog): Use Var not Mask.
1654 * doc/invoke.texi (-mdlmzb): Document.
1655 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1657 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
1658 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
1660 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
1662 PR rtl-optimization/25739
1663 * bt-load.c (augment_live_range): Free tos pointer.
1665 * gensupport.c (identify_predicable_attribute): Free
1667 * gcov.c (create_file_names): Free name pointer.
1669 2006-03-13 Roger Sayle <roger@eyesopen.com>
1672 * stmt.c (emit_case_nodes): Handle the case where the index is a
1673 CONST_INT, where the comparison mode is specified by the index type.
1675 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1677 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
1680 2006-03-13 Richard Sandiford <richard@codesourcery.com>
1682 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
1683 (*branch_fp_inverted): Likewise.
1685 2006-03-13 Jakub Jelinek <jakub@redhat.com>
1688 * omp-low.c (expand_omp_for_generic): Mark istart0
1689 and iend0 as addressable.
1691 2006-03-13 Jie Zhang <jie.zhang@analog.com>
1693 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
1695 2006-03-13 Jeff Law <law@redhat.com>
1697 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
1698 virtual operands are interesting.
1699 (vrp_visit_stmt): Corresponding changes.
1701 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
1703 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
1705 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
1706 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
1707 * config/bfin/crti.S: Use it instead of __PIC__.
1708 * config/bfin/crtn.S: Likewise.
1710 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
1711 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
1713 Lose 'G' modifier for call operand.
1714 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
1715 recognize 'G' modifier.
1717 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
1720 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
1721 * stmt.c (expand_case): Likewise.
1723 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1725 PR rtl-optimization/26254
1726 * loop-invariant.c (seq_insns_valid_p): New function.
1727 (move_invariant_reg): Only emit new code if it is valid.
1729 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1731 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
1733 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
1734 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
1735 (commit_one_edge_insertion): Do not look for loop notes.
1737 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1739 * jump.c (follow_jumps): Do not check for loop notes. Move check for
1740 flag_test_coverage out of loop.
1742 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1744 * final.c (shorten_branches): Remove outdated comment, and turn
1745 the if branch that guards it to continue.
1747 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
1749 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
1750 * cfgloop.h (struct loop): Remove unused fields.
1752 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
1754 * doc/invoke.texi (-fdump-rtl-loop): Remove.
1755 (-dL, -fdump-rtl-loop2): Update the dump file names
1757 * doc/invoke.texi: Update dump file names.
1759 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
1761 * predict.c (estimate_probability): Remove.
1762 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
1763 * basic-block.h (estimate_probability): Remove prototype.
1764 * passes.c (finish_optimization_passes): Dump branch prediction or
1765 profiling heuristics to the .profile tree dump.
1766 (init_optimization_passes): Unqueue pass_branch_prob.
1768 * doc/invoke.texi (-fdump-rtl-bp): Remove.
1770 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1772 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
1773 * rtl.h (LABEL_NEXTREF): Remove field accessor.
1775 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
1777 * function.h (frame_offset_overflow): Declare.
1778 * function.c (frame_offset_overflow): New function.
1779 (assign_stack_local_1): Call it to detect that the offset overflows.
1780 * cfgexpand.c (alloc_stack_frame_space): Likewise.
1782 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
1784 * config/sh/sh.c: Include alloc-pool.h.
1785 (label_ref_list_pool): New alloc pool.
1786 (label_ref_list_t): New type for lists of labels.
1787 (struct pool_node): Make wend a label_ref_list_t.
1788 (add_constant): Use the new type, eradicate LABEL_NEXTREF
1790 (dump_table): Likewise.
1791 (sh_reorg): Set up the alloc pool before using add_constant and
1792 dump_table, and destroy it when finishing.
1794 2006-03-11 Richard Sandiford <richard@codesourcery.com>
1796 * config/mips/mips.c: Remove redundant comment.
1798 2006-03-10 Jason Merrill <jason@redhat.com>
1801 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
1802 the target was declared 'register'.
1804 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
1806 * genpreds.c (write_insn_constraint_len): Change definition of
1807 insn_constraint_len to return size_t to match the declaration.
1809 2006-03-10 DJ Delorie <dj@redhat.com>
1811 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
1813 (m32c_expand_insv): Fix test for an AND mask.
1815 2006-03-10 Richard Guenther <rguenther@suse.de>
1818 * builtins.c (get_pointer_alignment): Handle component
1819 references for field alignment.
1821 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1823 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
1824 when building with libgloss.
1825 (sh*elf): Implement --without-fp option.
1826 (sh64-superh-linux*): Don't multilib.
1828 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
1830 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
1832 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
1834 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
1835 Set it when one of the replacement functions returned true.
1836 Return TODO_cleanup_cfg if cfgchanged is true.
1837 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
1839 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
1841 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
1842 instead of gen_lowpart.
1844 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1846 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
1848 (mips_output_order_conditional_branch): Declare.
1849 * config/mips/mips.h (MIPS_BRANCH): New macro.
1850 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
1851 for the comparison. Use gen_condjump.
1852 (mips_output_conditional_branch): Rework interface to take the
1853 asm templates for a direct branch and the inverse of a direct branch.
1854 (mips_output_order_conditional_branch): New function.
1855 (mips_builtin_branch_and_move): New function.
1856 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
1857 branch condition. Use gen_single_cc as the condition for
1858 __builtin_mips_upper_* or __builtin_mips_lower_*.
1859 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
1860 Use VOIDmode for the branch condition.
1861 * config/mips/predicates.md (order_operator): New predicate.
1862 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
1863 (branch_fp): Rename to...
1864 (*branch_fp): ...this. Remove mode from comparison operator.
1865 Use new mips_output_conditional_branch interface.
1866 (branch_fp_inverted): Rename to...
1867 (*branch_fp_inverted): ...this and update as for *branch_fp.
1868 (*branch_zero<mode>): Rename to...
1869 (*branch_order<mode>): ...this. Remove mode from comparison operator.
1870 Use mips_output_order_conditional_branch. Only accept ordered
1872 (*branch_zero<mode>_inverted): Rename to...
1873 (*branch_order<mode>_inverted): ...this and update as for
1874 *branch_order<mode>.
1875 (*branch_equality<mode>): Accept zero as the second operand to
1876 the equality operator. Use the new mips_output_conditional_branch
1878 (*branch_equality<mode>_inverted): Likewise.
1879 (condjump): New expander.
1880 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
1882 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
1883 (bc1any2t, bc1any2f): Likewise.
1884 (single_cc): New expander.
1885 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
1887 2006-03-09 Richard Sandiford <richard@codesourcery.com>
1889 * doc/md.texi: Update documentation of MIPS constraints.
1890 * config/mips/constraints.md: New file.
1891 * config/mips/mips.md: Include it.
1892 * config/mips/mips.c (mips_char_to_class): Delete.
1893 (override_options): Don't initialize mips_char_to_class.
1894 * config/mips/mips.h (mips_char_to_class): Delete.
1895 (REG_CLASS_FROM_LETTER): Delete.
1896 (CONST_OK_FOR_LETTER_P): Delete.
1897 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1898 (EXTRA_CONSTRAINT_Y): Delete.
1899 (EXTRA_CONSTRAINT_STR): Delete.
1900 (CONSTRAINT_LEN): Delete.
1901 (EXTRA_MEMORY_CONSTRAINT): Delete.
1903 2006-03-09 Diego Novillo <dnovillo@redhat.com>
1905 * tree-cfg.c (move_block_to_fn): Remove the statements from the
1906 original fn's eh regions.
1908 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
1910 * fold-const.c (build_range_check): Make sure to use a valid type to
1911 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
1914 (range_predecessor): New static function.
1915 (range_successor): Likewise.
1916 (merge_ranges): Use them to compute predecessors and successors of
1919 2006-03-09 Roger Sayle <roger@eyesopen.com>
1922 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
1923 X op C3, consider whether C3 overflows towards +Inf or -Inf.
1925 2006-03-08 DJ Delorie <dj@redhat.com>
1927 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
1928 (addpsi3): Expand to include memory operands. Remove
1929 reload-specific splits.
1930 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
1931 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
1932 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
1933 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
1934 (shift1_qi, shift1_hi, insv): New.
1935 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
1936 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
1937 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
1939 * config/m32c/m32c-protos.h: Update as needed.
1940 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
1941 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
1942 Fail for unrecognized R* constraints.
1943 (m32c_cannot_change_mode_class): Be more picky about pseudos.
1944 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
1945 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
1947 (m32c_init_libfuncs): New.
1948 (m32c_legitimate_address_p): Add debug wrapper.
1949 (m32c_rtx_costs): New.
1950 (m32c_address_cost): New.
1951 (conversions): Add 'B' prefix.
1952 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
1953 operands, or word regnames for QI operands. 'B' prints bit
1955 (m32c_expand_setmemhi): New.
1956 (m32c_expand_movmemhi): New.
1957 (m32c_expand_movstr): New.
1958 (m32c_expand_cmpstr): New.
1959 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
1960 (m32c_expand_neg_mulpsi3): Handle non-ints.
1961 (m32c_cmp_flg_0): New.
1962 (m32c_expand_movcc): New.
1963 (m32c_expand_insv): New.
1964 (m32c_scc_pattern): New.
1965 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
1966 a0/a1 out of SIregs.
1967 (STORE_FLAG_VALUE): New.
1968 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
1971 * config/m32c/mov.md: Make constraints more liberal.
1972 (zero_extendqihi2): Optimize r0/r1 case.
1973 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
1974 * config/m32c/predicates.md (m32c_any_operand): New.
1975 (m32c_nonimmediate_operand): New.
1976 (m32c_hl_operand): New.
1977 (m32c_r3_operand): New.
1980 (memsym_operand): New.
1981 (memimmed_operand): New.
1982 (a_qi_operand): New.
1983 (m32c_eqne_operator): New.
1984 (m32c_1bit8_operand): New.
1985 (m32c_1bit16_operand): New.
1986 (m32c_1mask8_operand): New.
1987 (m32c_1mask16_operand): New.
1988 * config/m32c/blkmov.md: New file.
1989 * config/m32c/t-m32c (MD_FILES): Add blkmov.
1991 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
1993 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
1994 unsigned to fix signed/unsigned comparison issue in
1995 DWARF2_FRAME_REG_OUT.
1996 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
1997 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
1999 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
2000 of ptr into the ENABLE_CHECKING section.
2002 2006-03-08 Jeff Law <law@redhat.com>
2004 * tree-vrp.c (infer_value_range): Only count pointer uses
2005 and dereferences if -fdelete-null-pointer-checks is enabled.
2007 * tree-vrp.c (find_assert_locations): Infer value ranges for
2008 single use pointers, but do not create ASSERT_EXPRs for them.
2009 When a non-null range is inferred for a pointer, backwards
2010 propagate that range to other equivalent pointers through the
2013 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
2016 * Makefile.in (dvi, html, install-info): Invoke the corresponding
2017 language hook targets.
2018 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
2019 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
2020 if language hook targets were missing.
2022 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
2024 * tree-ssa-opfinalize.h: Removed.
2025 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
2027 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
2028 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
2029 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
2030 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
2031 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
2032 finalize_ssa_v_must_def_ops): New.
2034 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2036 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
2039 2006-03-07 Geoffrey Keating <geoffk@apple.com>
2041 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
2043 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
2044 addresses with offsets; reorganize.
2046 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
2047 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
2048 (expand_builtin_init_dwarf_reg_sizes): Likewise.
2050 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
2053 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
2055 2006-03-08 Ben Elliston <bje@au.ibm.com>
2057 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
2059 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
2062 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
2065 2006-03-07 Richard Guenther <rguenther@suse.de>
2067 PR tree-optimization/26587
2068 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
2070 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2072 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
2074 2006-03-07 Richard Sandiford <richard@codesourcery.com>
2076 * hooks.c (hook_bool_mode_rtx_true): New function.
2077 * hooks.h (hook_bool_mode_rtx_true): Declare.
2078 * toplev.c (compile_file): Call output_shared_constant_pool.
2079 * varasm.c (shared_constant_pool): New variable.
2080 (assemble_start_function, assemble_end_function): Remove arguments
2081 from call to output_constant_pool.
2082 (create_constant_pool): New function, split out from...
2083 (init_varasm_status): ...here.
2084 (force_const_mem): Choose between the shared and per-function constant
2085 pools. Set current_function_uses_const_pool when reusing old entries
2086 as well as when creating new ones.
2087 (mark_constant): Ignore data argument.
2088 (mark_constants): Remove pool argument.
2089 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
2090 to decide whether the function uses a constant pool.
2091 (output_constant_pool_contents): New function, split out from...
2092 (output_constant_pool): ...here.
2093 (output_shared_constant_pool): New function.
2094 (init_varasm_once): Initialize shared_constant_pool.
2095 * output.h (output_constant_pool): Delete.
2096 (output_shared_constant_pool): Declare.
2097 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
2098 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
2100 2006-03-06 Nick Clifton <nickc@redhat.com>
2102 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
2103 flag_strength_reduce.
2105 2006-03-06 Ben Elliston <bje@au.ibm.com>
2107 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
2108 x86_64-*-linux* configurations.
2110 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
2111 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
2113 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2115 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
2117 * basic-block.h: Remove the extern for
2118 rediscover_loops_after_threading.
2120 * cfgloop.c (cancel_loop): Make it static.
2121 * cfgloop.h: Remove the prototype for cancel_loop.
2123 * flow.c (recompute_reg_usage): Make it static.
2124 * rtl.h: Remove the prototype for recompute_reg_usage.
2126 * function.c (use_return_register): Make it static.
2127 * function.h: Remove the prototype.
2129 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2131 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
2133 * recog.h: Remove the prototype for
2134 validate_change_maybe_volatile.
2136 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2138 * rtlanal.c (replace_reg): Remove.
2139 * rtl.h: Remove the prototype for replace_reg.
2141 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
2143 * regclass.c (reg_scan_update): Remove.
2144 (reg_scan_mark_refs): Remove the last argument.
2145 * rtl.h: Remove the prototype for reg_scan_update.
2147 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2149 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
2150 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
2151 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
2152 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
2153 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
2154 loop-invariant.c, omp-low.c, opts.c, passes.c,
2155 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
2156 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
2157 tree-ssa-structalias.c, tree-ssa-threadedge.c,
2158 tree-ssa-threadupdate.c, tree-vect-patterns.c,
2159 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
2160 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
2162 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2164 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
2165 * dwarf2out.h: Remove the prototype for
2166 dwarf2out_add_library_unit_info.
2168 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2170 * tree.c (add_var_to_bind_expr): Remove.
2171 * tree.h: Remove the prototype for add_var_to_bind_expr.
2173 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2175 * regclass.c (n_non_fixed_regs): Remove.
2176 (init_reg_sets_1, globalize_reg): Remove all uses of
2178 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
2180 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2182 * rtlanal.c (insns_safe_to_move_p): Remove.
2183 * rtl.h: Remove the prototype for insns_safe_to_move_p.
2185 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
2187 * expmed.c (expand_mult_add): Remove.
2188 * expr.h: Remove the prototype for expand_mult_add.
2190 2006-03-04 Jakub Jelinek <jakub@redhat.com>
2192 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
2193 and REG_SAVED_VAL_EXP constants.
2194 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
2195 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2196 Handle regs stored by value.
2197 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
2198 (execute_cfa_program): Handle DW_CFA_val_offset,
2199 DW_CFA_val_offset_sf and DW_CFA_val_expression.
2200 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
2201 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
2202 (uw_install_context_1): Handle target regs stored by value.
2204 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
2206 * tree-sra.c (tree_sra): Return todoflags;
2207 (generate_one_element): Set TODO_update_smt_usage if needed.
2208 (pass_sra): Remove TODO_update_smt_usage.
2209 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
2211 (tree_ssa_forward_propagate_single_use_vars): Return
2212 TODO_update_smt_usage if we need to update SMT usage.
2213 (pass_forwprop): Remove TODO_update_smt_usage.
2215 2006-03-03 Diego Novillo <dnovillo@redhat.com>
2217 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
2218 (correct_use_link): Remove reference to get_stmt_operands.
2219 (update_stmt_operands): Likewise.
2220 (get_modify_expr_operands): New function factored out of
2221 parse_ssa_operands and get_expr_operands.
2222 Try to create V_MUST_DEFs for LHS by default.
2223 (get_expr_operands) <case MODIFY_EXPR>: Call
2224 get_modify_expr_operands.
2225 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
2226 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
2227 (parse_ssa_operands) <case MODIFY_EXPR>: Call
2228 get_modify_expr_operands.
2230 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
2232 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
2233 * tree-flow.h: Remove the prototype for
2234 referenced_var_lookup_if_exists.
2236 2006-03-03 Steve Ellcey <sje@cup.hp.com>
2238 PR rtl-optimization/26345
2240 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
2242 2006-03-03 Roger Sayle <roger@eyesopen.com>
2244 PR tree-optimization/26524
2245 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
2246 fold_convert to create a constant of the appropriate type.
2248 2006-03-03 Richard Sandiford <richard@codesourcery.com>
2250 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2251 SYMBOL_REF_IN_BLOCK_P.
2252 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
2253 of SYMBOL_FLAG_IN_BLOCK.
2254 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
2255 instead of SYMBOL_REF_IN_BLOCK_P.
2256 * explow.c (use_anchored_address): Likewise.
2257 * rtl.c (rtx_size): Likewise.
2258 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
2259 instead of SYMBOL_FLAG_IN_BLOCK.
2260 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2261 SYMBOL_REF_IN_BLOCK_P.
2262 (assemble_variable): Likewise.
2263 (output_constant_def_contents): Likewise.
2264 (output_constant_pool): Likewise.
2265 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
2266 instead of SYMBOL_FLAG_IN_BLOCK.
2267 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2268 SYMBOL_REF_IN_BLOCK_P.
2269 (SYMBOL_REF_BLOCK): Likewise.
2270 (SYMBOL_REF_OFFSET): Likewise.
2271 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
2272 SYMBOL_REF_IN_BLOCK_P.
2273 (SYMBOL_FLAG_IN_BLOCK): Replace with...
2274 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
2275 (SYMBOL_REF_IN_BLOCK_P): Replace with...
2276 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
2278 2006-03-03 Jakub Jelinek <jakub@redhat.com>
2280 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
2282 2006-03-02 Roger Sayle <roger@eyesopen.com>
2284 * simplify-rtx.c (simplify_unary_operation): When simplifying
2285 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
2286 that we perform the right shift in the appropriate mode, and
2287 then extend or truncate the result to requested mode.
2289 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
2291 * gengtype.c (main): Handle double_int type.
2292 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
2293 * double-int.c: New file.
2294 * double-int.h: New file.
2295 * system.h: Include doubleint.h.
2296 * Makefile.in (SYSTEM_H): Include double-int.h.
2297 (double-int.o): Add.
2299 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
2302 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
2305 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2307 * tree-vrp.c (remove_range_assertions): Do not update statements
2310 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2312 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
2314 * gcse.c (rest_of_handle_gcse): Ditto.
2315 * except.c (gate_handle_eh): Ditto.
2316 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
2317 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
2319 2006-03-02 Eric Christopher <echristo@apple.com>
2321 * config/i386/i386.c (machopic_output_stub): Add indirection to
2324 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
2328 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
2330 Sun Niagara specific optimizations.
2331 * config.gcc: Recognize niagara as target.
2332 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
2333 (TARGET_CPU_niagara): Define.
2334 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
2335 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
2336 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2337 (ASM_CPU_SPEC): Likewise.
2338 (PROCESSOR_NIAGARA): New enum entry.
2339 (REGISTER_MOVE_COST): Handle Niagara.
2340 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
2341 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
2342 (sparc_override_options): Recognize "niagara", set appropriate
2343 default MASK_* values for it, and align functions to 32-bytes
2344 by default just like ULTRASPARC/ULTRASPARC3.
2345 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
2346 (sparc64_initialize_trampoline): Likewise.
2347 (sparc_use_sched_lookahead): Use zero for niagara.
2348 (sparc_issue_rate): Use one for niagara.
2349 * config/sparc/niagara.md: New file.
2350 * config/sparc/sparc.md: Include it.
2351 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
2352 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
2353 when default cpu is niagara.
2354 (CPP_CPU_SPEC): Handle -mcpu=niagara.
2355 (ASM_CPU_SPEC): Likewise.
2356 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
2357 when default cpu is niagara.
2358 (ASM_CPU_SPEC): Handle -mcpu=niagara.
2359 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
2360 just like v9/ultrasparc/ultrasparc3.
2361 * doc/invoke.texi: Add documentation for "niagara" and improve
2362 existing documentation for ultrasparc variants.
2364 2006-03-02 Diego Novillo <dnovillo@redhat.com>
2366 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
2368 2006-03-02 Richard Sandiford <richard@codesourcery.com>
2370 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
2371 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
2372 and say that only one is needed.
2373 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
2374 * target.h (have_switchable_bss_sections): New hook.
2375 * explow.c (use_anchored_address): Check that the symbol is in a block.
2376 * varasm.c (tls_comm_section, comm_section, lcomm_section)
2377 (bss_noswitch_section): New variables.
2378 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
2379 (get_noswitch_section): New function.
2380 (get_block_for_section): Allow SECT to be null.
2381 (unlikely_text_section_p): Use SECTION_STYLE.
2382 (bss_initializer_p): New function.
2383 (get_variable_section): Move earlier in file. Take a new argument,
2384 prefer_noswitch_p. Move bss checks from assemble_variable to here.
2385 Return one of the new *_sections in such cases.
2386 (get_block_for_decl): New function, extracting some logic from
2387 use_blocks_for_decl_p.
2388 (change_symbol_section): Remove in favor of...
2389 (change_symbol_block): ...this new function.
2390 (use_blocks_for_decl_p): Remove checks now performed by
2392 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
2393 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
2394 (emit_local, emit_bss, emit_common): ...these new functions.
2395 Return true if the alignment was honored.
2396 (emit_tls_common): New function.
2397 (asm_emit_uninitialised): Delete.
2398 (assemble_variable_noswitch): New function, split out from...
2399 (assemble_variable): ...here. Don't make decisions about common
2400 variables here. Globalize all public decls that go into non-common
2401 sections. Check whether SYMBOL_REF_BLOCK is null.
2402 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
2403 (output_constant_pool): Likewise.
2404 (init_varasm_once): Initialize the new section variables.
2405 (have_global_bss_p): New function.
2406 (categorize_decl_for_section): Use bss_initializer_p.
2407 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
2408 (place_block_symbol): Assert that the symbol must be in a block.
2409 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
2410 (TARGET_INITIALIZER): Include it.
2411 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
2412 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
2413 (SECTION_MACH_DEP): Bump by two.
2414 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
2415 (unnamed_section): Mention SECTION_UNNAMED in comment.
2416 (named_section): Likewise SECTION_NAMED.
2417 (noswitch_section_callback): New type.
2418 (noswitch_section): New structure.
2419 (section): Add a noswitch_section alternative.
2420 (SECTION_STYLE): New macro.
2421 (tls_comm_section, comm_section, lcomm_section): Declare.
2422 (bss_noswitch_section, have_global_bss_p): Declare.
2423 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2424 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2426 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
2427 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
2430 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
2432 * gcc/tree-vrp.c (execute_vrp): Return value.
2433 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
2434 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
2435 * gcc/tree-complex.c (tree_lower_complex): Ditto.
2436 (tree_lower_complex_O0): Ditto.
2437 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
2438 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
2439 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
2440 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
2441 (execute_tail_calls): Ditto.
2442 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2443 * gcc/tree.h (init_function_for_compilation): Ditto.
2444 * gcc/ipa-cp.c (ipcp_driver): Ditto.
2445 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
2446 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
2447 * gcc/final.c (compute_alignments): Ditto.
2448 (rest_of_handle_final): Ditto.
2449 (rest_of_handle_shorten_branches): Ditto.
2450 (rest_of_clean_state): Ditto.
2451 * gcc/omp-low.c (execute_expand_omp): Ditto.
2452 (execute_lower_omp): Ditto.
2453 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
2454 * gcc/ipa-reference.c (static_execute): Ditto.
2455 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
2456 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
2457 (rest_of_handle_machine_reorg): Ditto.
2458 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
2459 * gcc/flow.c (recompute_reg_usage): Ditto.
2460 (rest_of_handle_remove_death_notes): Ditto.
2461 (rest_of_handle_life): Ditto.
2462 (rest_of_handle_flow2): Ditto.
2463 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
2464 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
2465 (do_ssa_store_ccp): Ditto.
2466 (execute_fold_all_builtins): Ditto.
2467 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
2468 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
2469 * gcc/ipa-pure-const.c (static_execute): Ditto.
2470 * gcc/cse.c (rest_of_handle_cse): Ditto.
2471 (rest_of_handle_cse2): Ditto.
2472 * gcc/web.c (rest_of_handle_web): Ditto.
2473 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
2474 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
2475 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2476 * gcc/tree-nrv.c (tree_nrv): Ditto.
2477 (execute_return_slot_opt): Ditto.
2478 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
2479 (create_structure_vars): Ditto.
2480 * gcc/loop-init.c (rtl_loop_init): Ditto.
2481 (rtl_loop_done): Ditto.
2482 (rtl_move_loop_invariants): Ditto.
2483 (rtl_unswitch): Ditto.
2484 (rtl_unroll_and_peel_loops): Ditto.
2485 (rtl_doloop): Ditto.
2486 * gcc/gimple-low.c (lower_function_body): Ditto.
2487 (mark_used_blocks): Ditto.
2488 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
2489 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
2490 (cgraph_early_inlining): Ditto.
2491 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
2492 * gcc/jump.c (cleanup_barriers): Ditto.
2493 (purge_line_number_notes): Ditto.
2494 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
2495 (rest_of_handle_if_after_reload): Ditto.
2496 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
2497 (tree_ssa_loop_im): Ditto.
2498 (tree_ssa_loop_unswitch): Ditto.
2499 (tree_vectorize): Ditto.
2500 (tree_linear_transform): Ditto.
2501 (tree_ssa_loop_ivcanon): Ditto.
2502 (tree_ssa_empty_loop): Ditto.
2503 (tree_ssa_loop_bounds): Ditto.
2504 (tree_complete_unroll): Ditto.
2505 (tree_ssa_loop_prefetch): Ditto.
2506 (tree_ssa_loop_ivopts): Ditto.
2507 (tree_ssa_loop_done): Ditto.
2508 * gcc/predict.c (tree_estimate_probability): Ditto.
2509 * gcc/recog.c (split_all_insns_noflow): Ditto.
2510 (rest_of_handle_peephole2): Ditto.
2511 (rest_of_handle_split_all_insns): Ditto.
2512 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
2513 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
2514 (rest_of_handle_stack_adjustments): Ditto.
2515 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
2516 * gcc/function.c (instantiate_virtual_regs): Ditto.
2517 (init_function_for_compilation): Ditto.
2518 (rest_of_handle_check_leaf_regs): Ditto.
2519 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
2520 (rest_of_handle_gcse): Ditto.
2521 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
2522 * gcc/alias.c (rest_of_handle_cfg): Ditto.
2523 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
2524 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
2525 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
2526 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
2527 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
2528 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
2529 * gcc/except.c (set_nothrow_function_flags): Ditto.
2530 (convert_to_eh_region_ranges): Ditto.
2531 (rest_of_handle_eh): Ditto.
2532 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
2533 (remove_unnecessary_notes): Ditto.
2534 * gcc/except.h (set_nothrow_function_flags): Ditto.
2535 (convert_to_eh_region_ranges): Ditto.
2536 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
2537 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
2538 * gcc/tree-ssa-pre.c (do_pre): Ditto.
2539 (execute_fre): Ditto.
2540 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
2541 (rest_of_handle_jump2): Ditto.
2542 * gcc/tree-sra.c (tree_sra): Ditto.
2543 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
2544 (execute_mudflap_function_decls): Ditto.
2545 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
2546 (do_store_copy_prop): Ditto.
2547 * gcc/ipa-prop.h (ipcp_driver): Ditto.
2548 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
2549 * gcc/tree-ssa-forwprop.c
2550 (tree_ssa_forward_propagate_single_use_vars): Ditto.
2551 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
2552 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
2553 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
2554 (execute_late_warn_uninitialized): Ditto.
2555 * gcc/rtl.h (cleanup_barriers): Ditto.
2556 (split_all_insns_noflow): Ditto.
2557 (purge_line_number_notes): Ditto.
2558 (unshare_all_rtl): Ditto.
2559 (remove_unnecessary_notes): Ditto.
2560 (recompute_reg_usage): Ditto.
2561 (variable_tracking_main): Ditto.
2562 * gcc/integrate.c (emit_initial_value_sets): Ditto.
2563 * gcc/integrate.h (emit_initial_value_sets): Ditto.
2564 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
2565 (execute_free_cfg_annotations): Ditto.
2566 (execute_fixup_cfg): Ditto.
2567 (execute_cleanup_cfg_pre_ipa): Ditto.
2568 (execute_cleanup_cfg_post_optimizing): Ditto.
2569 (execute_init_datastructures): Ditto.
2570 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
2571 * gcc/combine.c (rest_of_handle_combine): Ditto.
2572 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
2573 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
2574 (rest_of_handle_reorder_blocks): Ditto.
2575 (rest_of_handle_partition_blocks): Ditto.
2576 * gcc/var-tracking.c (variable_tracking_main): Ditto.
2577 * gcc/tree-profile.c (tree_profiling): Ditto.
2578 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
2579 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
2580 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
2581 (rest_of_handle_sched2): Ditto.
2582 * gcc/basic-block.h (free_bb_insn): Ditto.
2583 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
2584 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
2585 (remove_useless_stmts): Ditto.
2586 (split_critical_edges): Ditto.
2587 (execute_warn_function_return): Ditto.
2588 (execute_warn_function_noreturn): Ditto.
2589 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
2590 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
2591 * gcc/passes.c (execute_one_pass): Run additional
2592 todos returned by execute function.
2593 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
2596 2006-03-02 Richard Guenther <rguenther@suse.de>
2598 * tree-ssa-alias.c (find_used_portions): Consider taking
2599 the address as making the variable not write-only.
2601 2006-03-02 Nick Clifton <nickc@redhat.com>
2603 * config.gcc (default_use_cxa_atexit): Extend the description of
2604 this configure variable. Set its default value to "yes" for
2605 Linux, NetBSD and ELF targets on the assumption that they will
2606 use C libraries with the __cxa_atexit function.
2608 2006-03-02 Ben Elliston <bje@au.ibm.com>
2610 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
2611 parameter as unused to suppress a build warning.
2613 2006-03-02 Ben Elliston <bje@au.ibm.com>
2615 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
2618 2006-03-01 Roger Sayle <roger@eyesopen.com>
2621 * gthr-posix.h (__gthrw2): Define to take three parameters, the
2622 declared name, the weak reference name, and the typeof name.
2623 (__gthrw): Avoid expanding the declared name suffix.
2624 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
2626 2006-03-01 Jakub Jelinek <jakub@redhat.com>
2628 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
2630 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
2631 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
2632 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
2633 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
2634 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
2635 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
2636 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
2637 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
2638 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
2639 DW_DS_leading_separate, DW_DS_trailing_separate): New.
2640 (DW_END_default, DW_END_big, DW_END_little): New.
2641 (DW_END_lo_user, DW_END_hi_user): Define.
2642 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
2643 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
2644 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
2647 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2649 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
2651 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
2653 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
2655 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
2657 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
2658 to 'symbol_mem_tag'.
2660 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
2663 2006-03-01 Roger Sayle <roger@eyesopen.com>
2665 * builtins.c (fold_builtin_copysign): Delete unreachable code.
2667 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2670 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
2671 MACHO_DYNAMIC_NO_PIC_P.
2672 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
2674 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2677 * config/darwin-protos.h (darwin_asm_output_anchor):
2679 * config/darwin-sections.def (cstring_section):
2680 Add SECTION_MERGE to the flags.
2681 (literal4_section): Likewise.
2682 (literal8_section): Likewise.
2683 (objc_selector_refs_section): Likewise.
2684 (objc_cls_refs_section): Likewise.
2685 * config/darwin.c (darwin_asm_output_anchor): New
2687 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2689 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
2691 Fix PR tree-optimization/26443
2692 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
2693 to todo and PROP_tmt_usage to properties_destroyed.
2694 * tree-ssa-ccp.c (pass_ccp): Ditto.
2695 (pass_store_ccp): Ditto.
2696 * tree-ssa-dom.c (pass_dominator): Ditto.
2698 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2700 * tree-ssa-operands.c: Cleanup whitespace.
2701 (get_asm_expr_operands): Move before first invocation.
2702 (get_indirect_ref_operands): Likewise.
2703 (get_tmr_operands): Likewise.
2704 (get_call_expr_operands): Likewise.
2705 (append_def): Likewise.
2706 (append_use): Likewise.
2707 (append_v_may_def): Likewise.
2708 (append_v_must_def): Likewise.
2709 (add_call_clobber_ops): Likewise.
2710 (add_call_read_ops): Likewise.
2711 (add_stmt_operand): Likewise.
2712 (add_virtual_operand): Likewise.
2713 (build_ssa_operands): Likewise.
2715 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
2720 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
2721 with a call expr to ...
2722 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
2724 2006-03-01 Diego Novillo <dnovillo@redhat.com>
2726 * tree-vrp.c (extract_range_from_assert): Remove special
2727 handling for types with super-types.
2729 2006-03-01 Ben Elliston <bje@au.ibm.com>
2731 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
2732 and powerpc64-*-linux* configurations.
2733 * config/t-dfprules: New file.
2735 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
2736 Compile dfp-bit.c from the source directory using -DWIDTH and
2737 $DFP_CFLAGS to control the compilation of that file, rather than
2738 generating width-specific versions in the build directory.
2739 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
2740 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
2742 2006-02-28 Zack Weinberg <zackw@panix.com>
2744 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
2747 2006-02-28 Eric Christopher <echristo@apple.com>
2749 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
2750 Set up IN_LIBGCC definition of TARGET_64BIT.
2751 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
2753 2006-02-28 Roger Sayle <roger@eyesopen.com>
2756 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
2757 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
2758 cases via the construction of "expr != 0".
2760 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
2762 * alias.c (alias_invariant, alias_invariant_size): Remove.
2763 (record_base_value): Remove.
2764 (memrefs_conflict_p): Don't look at alias_invariant.
2765 (end_alias_analysis): Don't free it.
2766 * alias.h (record_base_value): Remove prototype.
2768 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
2769 Adam Nemet <anemet@caviumnetworks.com>
2771 * rtl.h (truncated_to_mode): Declare it.
2772 (struct rtl_hooks): Add reg_truncated_to_mode hook.
2773 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
2774 (RTL_HOOKS_INITIALIZER): Include it.
2775 * rtlhooks.c (reg_truncated_to_mode_general): New function.
2776 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
2777 reg_truncated_to_mode.
2778 * rtlanal.c (truncated_to_mode): Define it.
2779 * simplify-rtx.c (simplify_unary_operation_1): Use it.
2781 2006-02-28 Jeff Law <law@redhat.com>
2783 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
2784 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
2785 the range allowed by TYPE_PRECISION.
2787 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
2789 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
2791 PR tree-optimization/26419
2792 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
2795 2006-02-27 Zack Weinberg <zackw@panix.com>
2797 * doc/md.texi: Fix typo in previous change.
2799 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
2803 2006-02-27 Zack Weinberg <zackw@panix.com>
2805 * rtl.def (define_constraint, define_register_constraint)
2806 (define_memory_constraint, define_address_constraint): New MD forms.
2807 * gensupport.c (process_rtx): Put define_constraint etc on the
2809 * genpreds.c (process_define_predicate): Adjust comment. Validate
2810 the name, and call validate_exp to validate the expression.
2811 (mark_mode_tests, write_extract_subexp): Can assume correct input.
2812 (write_predicate_expr): Likewise. NAME argument no longer necessary;
2813 all callers changed.
2814 (validate_exp, needs_variable, struct constraint_data)
2815 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
2816 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
2817 (const_dbl_constraints, constraint_max_namelen)
2818 (have_register_constraints, have_memory_constraints)
2819 (have_address_constraints, have_address_constraints)
2820 (have_extra_constraints, have_const_int_constraints)
2821 (have_const_dbl_constraints, mangle, add_constraint)
2822 (process_define_constraint, process_define_register_constraint)
2823 (write_enum_constraint_num, write_lookup_constraint)
2824 (write_insn_constraint_len, write_regclass_for_constraint)
2825 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
2826 (write_insn_extra_memory_constraint)
2827 (write_insn_extra_address_constraint)
2828 (write_satisfies_constraint_fns): New.
2829 (write_tm_preds_h): If we have new-style constraint definitions,
2830 prototype the functions generated from them, and define the
2831 old constraint interface (still used by generic code) in terms of
2833 (write_insn_preds_c): If we have new-style constraint definitions,
2834 generate all relevant functions from those definitions.
2835 (main): Handle define_constraint etc.
2836 * genoutput.c (struct constraint_data, indep_constraints)
2837 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
2838 (mdep_constraint_len): New data structures and functions, defined
2839 #ifdef USE_MD_CONSTRAINTS.
2840 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
2841 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
2842 use new logic to validate operand constraints against constraint
2844 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
2846 * defaults.h: If none of the old-style constraint macros are
2847 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
2848 old-style macros; and poison REG_CLASS_FROM_LETTER,
2849 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
2851 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
2852 * doc/md.texi: Document new constraint-definition mechanism and the
2853 C interface it provides. Remove references to old mechanism
2854 elsewhere in the document.
2855 (Machine Constraints): Use pathnames relative to gcc directory,
2856 i.e. config/ARCH/FILE. Change i386 section to refer to
2857 config/i386/predicates.md; update that section to match docstrings.
2858 * doc/tm.texi: Move all documentation of the old constraint-
2859 definition macros to their own section, clearly mark as obsolete.
2861 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
2862 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
2864 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
2865 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
2866 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
2868 (splits and peepholes): Use satisfies_constraint_*.
2869 * config/i386/i386.c (memory_address_length)
2870 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
2872 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2874 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
2875 scalar operation to be put back into the loop.
2877 2006-02-27 Jakub Jelinek <jakub@redhat.com>
2880 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
2881 (extract_cie_info): Handle S flag in augmentation string.
2882 (execute_cfa_program): If context->signal_frame, execute also
2883 fs->pc == context->ra instructions.
2884 (uw_frame_state_for): If context->signal_frame, don't subtract one
2885 from context->ra to find FDE.
2886 (uw_update_context_1): Set context->signal_frame to
2888 (_Unwind_GetIPInfo): New function.
2889 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
2890 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
2892 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
2893 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
2894 * unwind-compat.c (_Unwind_GetIPInfo): New function.
2895 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
2896 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
2897 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
2898 * config/i386/linux-unwind.h (x86_fallback_frame_state,
2899 x86_64_fallback_frame_state): Set fs->signal_frame.
2900 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
2901 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
2902 (frob_update_context): Likewise. Workaround missing S flag in
2903 Linux 2.6.12 - 2.6.16 kernel vDSOs.
2904 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
2905 Remove the psw_addr + 1 hack.
2907 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
2909 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
2910 with aggregates here.
2911 (find_func_aliases): Remove code for &<aggregate> from here.
2913 2006-02-26 Roger Sayle <roger@eyesopen.com>
2915 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
2916 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
2917 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
2920 2006-02-26 Roger Sayle <roger@eyesopen.com>
2923 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
2925 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
2927 * opts.c (decode_options): Do not handle flag_strength_reduce.
2928 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
2929 and OPT_fstrength_reduce.
2930 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
2931 flag_prefetch_loop_arrays for being nonzero.
2932 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
2934 (fprefetch-loop-arrays-rtl): Removed.
2935 (flag_prefetch_loop_arrays): Do not specify the value.
2937 * doc/passes.texi: Update documentation of loop optimizer
2939 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
2940 -frerun-loop-opt): Remove.
2942 2006-02-26 Richard Guenther <rguenther@suse.de>
2944 PR tree-optimization/26421
2945 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
2946 in function calls that are ADDR_EXPRs as using the whole structure.
2948 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
2950 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
2951 * tree-pass.h (pass_loop_optimize): Remove.
2952 * passes.c (pass_loop_optimize): Never run it.
2953 * toplev.c (backend_init): Don't call init_loop.
2954 * opts.c (flag_loop_optimize_set): Remove.
2955 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
2956 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
2957 the old RTL loop optimizer when profiling enabled.
2958 * predict.c (tree_estimate_probability): Always strip builtin_expect.
2959 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
2960 pre-headers for the sake of the old RTL loop optimizer.
2961 * Makefile.in: Remove all references to loop.o.
2963 * doc/invoke.texi: Remove all references to -floop-optimize
2964 and -frerun-loop-opt.
2966 2006-02-26 Zack Weinberg <zackw@panix.com>
2968 * doc/md.texi (Machine Constraints): Refer to all files with paths
2969 relative to gcc directory (i.e. config/CPU/file). Add missing
2970 @table @code ... @end table to M32C subsection.
2972 2006-02-26 Roger Sayle <roger@eyesopen.com>
2974 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
2976 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
2978 2006-02-26 Roger Sayle <roger@eyesopen.com>
2979 James A. Morrison <phython@gcc.gnu.org>
2982 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
2983 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
2984 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
2985 signedness of the shift operation.
2987 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
2989 PR tree-optimization/26359
2990 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
2992 2006-02-25 Roger Sayle <roger@eyesopen.com>
2994 * simplify-rtx.c (simplify_relational_operation_1): Simplify
2995 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
2996 as X == 0, and some symmetry related transformations.
2997 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
2999 2006-02-25 Roger Sayle <roger@eyesopen.com>
3002 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
3003 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
3004 symmetry related transformations. Fold (X^C1) == C2 as
3007 2006-02-25 Juergen Weigert <jw@suse.de>
3008 Richard Guenther <rguenther@suse.de>
3010 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
3012 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
3014 * combine.c (gen_lowpart_or_truncate): Call
3015 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
3017 2006-02-24 Diego Novillo <dnovillo@redhat.com>
3019 * doc/invoke.texi: Move -fopenmp description to "Options for
3021 Remove reference to -lgomp.
3023 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3025 * doc/install.texi: Require GNU tar version 1.14.
3027 2006-02-24 Geoffrey Keating <geoffk@apple.com>
3029 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
3030 * doc/invoke.texi (C++ Dialect Options): Document
3031 -fno-use-cxa-get-exception-ptr.
3032 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
3033 * configure: Regenerate.
3034 * c.opt (fuse-cxa-get-exception-ptr): New.
3035 * c-opts.c (c_common_handle_option): Handle
3036 OPT_fuse_cxa_get_exception_ptr.
3037 * c-common.c (flag_use_cxa_atexit): Update documentation.
3038 (flag_use_cxa_get_exception_ptr): New.
3039 * c-common.h (flag_use_cxa_get_exception_ptr): New.
3040 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
3042 (C_COMMON_OVERRIDE_OPTIONS): New.
3044 2006-02-24 Roger Sayle <roger@eyesopen.com>
3047 * combine.c (try_combine): Explicitly check whether GET_CODE is
3048 a SET or a CLOBBER, instead on checking that it isn't a USE.
3050 2006-02-24 Roger Sayle <roger@eyesopen.com>
3052 * fold-const.c (fold_comparison): New subroutine of fold_binary
3053 containing transformations common to both the equality and
3054 ordering relational operators, factored out of fold_binary.
3055 (fold_binary): Separate out the equality operators (EQ_EXPR
3056 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
3057 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
3058 transformations common to both.
3059 (fold_div_compare): Fix latent bugs in the previously unreachable
3060 LT_EXPR and GE_EXPR cases.
3062 2006-02-24 David Edelsohn <edelsohn@gnu.org>
3064 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
3065 decl libname for clog to __clog on AIX.
3067 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
3069 2006-02-24 Alan Modra <amodra@bigpond.net.au>
3072 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
3073 output traceback table for thunks. Localise rs6000_stack_info call.
3075 2006-02-23 Roger Sayle <roger@eyesopen.com>
3076 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3078 * gthr-posix.h (__gthrw): Fix typo in comment.
3080 2006-02-23 Geoffrey Keating <geoffk@apple.com>
3082 * doc/cpp.texi (Character sets): Document that we do support
3083 input files to be in any character set.
3085 2006-02-23 Jeff Law <law@redhat.com>
3087 * tree.h (PHI_ARG_NONZERO): Remove.
3088 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
3089 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
3090 node to the new node.
3092 PR tree-optimization/26425
3093 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
3094 min/max, then assume its varying.
3096 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3098 PR rtl-optimization/26316
3099 * rtlanal.c (enum may_trap_p_flags): New.
3100 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
3101 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
3102 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
3103 (may_trap_after_code_motion_p): New function.
3104 * loop-invariant.c (find_identical_invariants): Fix dump formating.
3105 (find_invariant_insn): Use may_trap_after_code_motion_p.
3106 * rtl.h (may_trap_after_code_motion_p): Declare.
3108 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
3110 * emit-rtl.c (immed_double_const): Cleanup.
3112 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
3114 Fix PR tree-optimization/26376
3115 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
3118 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3121 * gimplify.c (omp_add_variable): Guard variable size decl test with
3122 DECL_SIZE (decl) check.
3124 2006-02-23 Richard Guenther <rguenther@suse.de>
3127 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
3128 like aggregate types.
3130 2006-02-23 Jakub Jelinek <jakub@redhat.com>
3132 * configure.ac: Add --with{,out}-long-double-128 configure option.
3133 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
3134 * configure: Rebuilt.
3135 * config.in: Rebuilt.
3136 * doc/install.texi (Options specification): Document
3137 --with-long-double-128.
3139 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3140 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3141 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
3142 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
3144 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
3146 * config/s390/s390.c (override_options): Handle
3147 TARGET_DEFAULT_LONG_DOUBLE_128.
3149 * config/alpha/alpha.c (override_options): Handle
3150 TARGET_DEFAULT_LONG_DOUBLE_128.
3152 * config/sparc/sparc.c (sparc_override_options): Handle
3153 TARGET_DEFAULT_LONG_DOUBLE_128.
3155 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
3157 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
3158 (real-install-headers-tar, real-install-headers-cpio)
3159 (real-install-headers-cp): New targets.
3161 2006-02-22 Richard Sandiford <richard@codesourcery.com>
3163 * tree.h (variable_section): Delete.
3164 * varasm.c (variable_section): Delete.
3166 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
3168 * install.texi: Add notes on install.texi2html.
3169 (Building in parallel): Do not use footnotes.
3171 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
3174 * doc/install.texi (Configuration): Document --disable-libgomp.
3176 2006-02-21 Geoffrey Keating <geoffk@apple.com>
3178 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
3180 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3182 * config/i386/sse.md (vec_extractv2df_1_sse): New.
3183 (vec_extractv2df_0_sse): New.
3185 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
3187 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
3188 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
3189 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
3190 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
3191 to the result of the expression.
3192 (def_cfa_1): Adjust.
3193 (frame_pointer_cfa_offset): Rename to...
3194 (frame_pointer_fb_offset): ... this. Adjust all uses.
3195 (convert_cfa_to_loc_list): Rename to...
3196 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
3197 Pass it on to build_cfa_loc.
3198 (compute_frame_pointer_to_cfa_displacement): Rename to...
3199 (compute_frame_pointer_to_fb_displacement): ... this. New
3200 offset parameter. Use it in computation.
3201 (gen_subprogram_die): Compute cfa_fb_offset with the new
3202 macro, and use it to compute the fb loc list and the
3205 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
3207 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
3208 replaced with register_operand.
3209 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
3210 non-DREG is expensive.
3211 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
3212 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
3215 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
3217 * doc/install.texi2html: Use set -e.
3219 2006-02-21 Richard Sandiford <richard@codesourcery.com>
3221 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3222 (ASM_OUTPUT_SHARED_LOCAL): Delete.
3223 * doc/invoke.texi (-fshared-data): Delete.
3224 * common.opt (fshared-data): Delete.
3225 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
3226 (assemble_static_space): Remove #if 0 code.
3227 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
3228 (ASM_OUTPUT_SHARED_LOCAL): Poison.
3229 * config/cris/cris.h: Remove FIXME.
3231 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
3233 * doc/sourcebuild.texi (Front End Directory): No more double-colon
3236 2006-02-21 Jakub Jelinek <jakub@redhat.com>
3239 * combine.c (simplify_shift_const_1): Disable nested shifts
3240 optimization for vector shifts.
3242 2006-02-20 Roger Sayle <roger@eyesopen.com>
3244 PR tree-optimization/26361
3245 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
3246 of unsigned integer types.
3248 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
3250 * tree-chrec.c (eq_evolutions_p): New.
3251 * tree-chrec.h (eq_evolutions_p): Declared.
3252 * tree-data-ref.c: Fix formatting.
3253 (datadep_stats, dependence_stats): New.
3255 (print_direction_vector): New.
3256 (dump_data_dependence_relation): Use print_direction_vector.
3257 (object_analysis, create_data_ref): Handle COMPONENT_REF.
3258 (compute_subscript_distance): Static.
3259 (initialize_data_dependence_relation): Static. Get the number
3260 of loops surrounding the references from the callers, and initialize
3261 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
3262 base_object_differ_p analyzers.
3263 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
3264 compute_overlap_steps_for_affine_1_2,
3265 analyze_subscript_affine_affine): Count the classified dependences.
3266 Print a message when a test failed.
3267 (can_use_analyze_subscript_affine_affine): New.
3268 (analyze_siv_subscript): Compute the data dependences on symbolic
3269 scevs that verify can_use_analyze_subscript_affine_affine.
3270 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
3271 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
3272 Handle symbolic scevs.
3273 (analyze_overlapping_iterations): Let symbolic affine scevs to be
3275 (subscript_dependence_tester): Moved...
3276 (build_classic_dist_vector, build_classic_dir_vector): Don't use
3277 lambda_vector_clear on newly allocated vectors. Get nb_loops from
3278 DDR_SIZE_VECT instead of getting it in parameter.
3279 (subscript_dependence_tester): ... here. Take as a parameter
3280 loop_nest_depth. Call build_classic_dist_vector and
3281 build_classic_dir_vector.
3282 (compute_affine_dependence): Update subscript_dependence_tester
3283 parameters. Update datadep_stats counters. Call
3284 compute_subscript_distance.
3285 (compute_self_dependence): Save the dist and dir vectors. Call
3286 compute_subscript_distance.
3287 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
3288 (compute_all_dependences): Reorder parameters as they were before
3289 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
3290 compute_subscript_distance. Update the use of
3291 compute_affine_dependence and initialize_data_dependence_relation.
3292 (find_data_references_in_loop): Handle COMPONENT_REF.
3293 (compute_data_dependences_for_loop): Initialize dependence_stats.
3294 Don't call build_classic_dist_vector and build_classic_dir_vector.
3295 Update the parameters of initialize_data_dependence_relation and
3296 compute_all_dependences. Print the statistics from datadep_stats.
3297 (analyze_all_data_dependences): Static. Not used until the pass for
3298 checking the data dependences is contributed.
3299 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
3300 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
3301 (initialize_data_dependence_relation, compute_affine_dependence,
3302 analyze_all_data_dependences, compute_subscript_distance): Removed.
3303 (print_direction_vector): New.
3304 * lambda.h (gcd): ... here.
3305 (lambda_vector_gcd): Moved here from gcd_vector.
3306 * lambda-code.c (gcd, gcd_vector): Removed.
3307 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
3308 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
3310 2006-02-20 Diego Novillo <dnovillo@redhat.com>
3312 * ipa-type-escape.c: Tidy some comments and white space.
3313 * tree-ssa-operands.c: Likewise.
3315 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
3318 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
3319 (dump_decl_name): Do not walk the decl tree chains.
3320 * tree-pass.h (TDF_CHAIN): Remove.
3322 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3324 * Makefile.in (C): Remove
3326 (.PHONY): Remove C and PROTO
3328 2006-02-20 Roger Sayle <roger@eyesopen.com>
3331 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
3332 deprecated CHAR_TYPE tree code.
3334 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3336 * configure.ac (target_list): Add install-info, dvi, html.
3337 * configure: Regenerate.
3339 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
3340 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
3341 treelang/Make-lang.in: Do not use double-colon rules.
3343 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
3345 * tree.h (struct tree_memory_tag): Add is_used_alone member.
3346 (TMT_USED_ALONE): New macro.
3347 * tree-pass.h (PROP_tmt_usage): New property.
3348 (TODO_update_tmt_usage): New todo.
3349 * tree-ssa-alias.c (updating_used_alone): New variable.
3350 (recalculate_used_alone): New function.
3351 (compute_may_aliases): Set updating_used_alone, call
3352 recalculate_used_alone.
3353 * tree-sra.c (pass_sra): Note that this pass destroys
3354 PROP_tmt_usage, and add TODO_update_tmt_usage.
3355 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
3356 * tree-flow.h (updating_used_alone): Prototype.
3357 (recalculate_used_alone): Ditto.
3358 * passes.c (execute_todo): Add code to set updating_used_alone,
3359 and call recalculate.
3360 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
3361 for clobber if used alone, and add assert to verify used_alone
3364 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
3366 * config/s390/s390.c (legitimize_pic_address): Assertions checking
3367 for non tls symbols added.
3368 (legitimize_address): Do nothing for PLUS expressions if one of the
3369 addends is a tls symbol reference.
3371 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
3375 * Makefile.in (LDFLAGS): Define from autoconf substitution.
3377 * Makefile.in (BOOTSTRAPPING): New.
3378 (quickstrap): New definition if BOOTSTRAPPING=yes.
3380 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
3381 * configure.ac: Substitute all_selected_languages with the languages
3382 that were configured. For all the other variables except
3383 lang_specs_files, include all the languages in the tree.
3384 * configure: Regenerate.
3386 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
3387 if there is one. Run the commands to run fixincludes in the same
3390 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
3391 * doc/install.texi: Document exact conventions for searching target tools.
3392 Document --with-build-time-tools. Document toplevel bootstrap. Document
3393 something more about building an Ada cross-compiler. Don't list GNU Make
3394 requirements which affect all platforms.
3396 2006-02-19 Roger Sayle <roger@eyesopen.com>
3399 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
3400 only equivalent if the have both the same mode and precision.
3402 2006-02-20 Ben Elliston <bje@au.ibm.com>
3404 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
3406 2006-02-19 Roger Sayle <roger@eyesopen.com>
3407 Steven Bosscher <stevenb.gcc@gmail.com>
3409 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
3410 constant pool references to identify stack mode constants.
3411 * rtlanal.c (constant_pool_constant_p): New predicate to check
3412 whether operand is a floating point constant in the pool.
3413 * rtl.h (constant_pool_constant_p): Prototype here.
3414 * loop.c (scan_loop): Avoid hoisting constants from the constant
3415 pool on STACK_REGS targets.
3416 (load_mems): Likewise.
3417 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
3418 loads into x87 registers expensive in terms of register pressure.
3420 2006-02-19 Roger Sayle <roger@eyesopen.com>
3422 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
3423 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
3425 2006-02-19 David Edelsohn <edelsohn@gnu.org>
3427 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
3428 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
3430 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
3432 * doc/invoke.texi: Document -fipa-pta.
3433 * common.opt: Add ipa-pta option.
3434 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
3435 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
3436 (do_ds_constraint): Ditto.
3437 (get_constraint_for): Only add to referenced_vars if
3438 referenced_vars exists.
3439 (insert_into_field_list): Rewrite to do this unsorted.
3440 (insert_into_field_list_sorted): Rename old insert_into_field_list
3442 (create_function_info_for): Use insert_into_field_list_sorted.
3443 (create_variable_info_for): Rewrite so it uses unsorted version,
3444 since the field list is sorted.
3445 (intra_create_variable_infos): Only add to referenced_vars if
3446 referenced_vars exists.
3447 (ipa_pta_execute): Init heapvars, and delete when done.
3448 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
3450 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3452 * doc/install.texi: Add missing `@samp'.
3454 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3456 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
3459 2006-02-18 Mark Wielaard <mark@klomp.org>
3461 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
3462 who added new 4.1 features, bug fixes and integration support.
3464 2006-02-18 David Edelsohn <edelsohn@gnu.org>
3467 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
3470 2006-02-18 Richard Sandiford <richard@codesourcery.com>
3472 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
3473 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
3474 (copy_insn_1): Likewise. Don't copy each field individually.
3476 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
3478 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
3479 * rtl.c (rtx_size): Rename variable to...
3480 (rtx_code_size): ...this.
3481 (rtx_size): New function.
3482 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
3483 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
3485 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
3486 * rtl.h (rtx_code_size): New variable.
3487 (rtx_size): Change from a variable to a function.
3488 (RTX_SIZE): Rename to...
3489 (RTX_CODE_SIZE): ...this.
3492 PR tree-optimization/17106
3493 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
3494 (Anchored Addresses): New section.
3495 * doc/invoke.texi (-fsection-anchors): Document.
3496 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
3497 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
3498 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
3499 * hooks.c (hook_bool_mode_rtx_false): New function.
3500 * hooks.h (hook_bool_mode_rtx_false): Declare.
3501 * gengtype.c (create_optional_field): New function.
3502 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
3503 SYMBOL_REF_IN_BLOCK_P is true.
3504 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
3505 (min_anchor_offset, max_anchor_offset): Likewise.
3506 (use_anchors_for_symbol_p): New hook.
3507 * toplev.c (compile_file): Call output_object_blocks.
3508 (target_supports_section_anchors_p): New function.
3509 (process_options): Check that -fsection-anchors is only used on
3510 targets that support it and when -funit-at-a-time is in effect.
3511 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
3512 if the decl doesn't have one.
3513 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
3514 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
3515 of force_const_mem through use_anchored_address.
3516 (expand_expr_constant): New function.
3517 (expand_expr_addr_expr_1): Call it. Use the same modifier when
3518 calling expand_expr for INDIRECT_REF.
3519 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
3520 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
3521 * expr.h (use_anchored_address): Declare.
3522 * loop-unroll.c: Don't declare rtx vectors here.
3523 * explow.c: Include output.h.
3524 (validize_mem): Call use_anchored_address.
3525 (use_anchored_address): New function.
3526 * common.opt (-fsection-anchors): New switch.
3527 * varasm.c (object_block_htab, anchor_labelno): New variables.
3528 (hash_section, object_block_entry_eq, object_block_entry_hash)
3529 (use_object_blocks_p, get_block_for_section, create_block_symbol)
3530 (use_blocks_for_decl_p, change_symbol_section): New functions.
3531 (get_variable_section): New function, split out from assemble_variable.
3532 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
3533 use_blocks_for_decl_p say so. Use change_symbol_section if the
3534 symbol has already been created.
3535 (assemble_variable_contents): New function, split out from...
3536 (assemble_variable): ...here. Don't output any code for
3537 block symbols; just pass them to place_block_symbol.
3538 Use get_variable_section and assemble_variable_contents.
3539 (get_constant_alignment, get_constant_section, get_constant_size): New
3540 functions, split from output_constant_def_contents.
3541 (build_constant_desc): Create a block symbol if use_object_blocks_p
3542 says so. Or into SYMBOL_REF_FLAGS.
3543 (assemble_constant_contents): New function, split from...
3544 (output_constant_def_contents): ...here. Don't output any code
3545 for block symbols; just pass them to place_section_symbol.
3546 Use get_constant_section and get_constant_alignment.
3547 (force_const_mem): Create a block symbol if use_object_blocks_p and
3548 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
3549 (output_constant_pool_1): Add an explicit alignment argument.
3550 Don't switch sections here.
3551 (output_constant_pool): Adjust call to output_constant_pool_1.
3552 Switch sections here instead. Don't output anything for block symbols;
3553 just pass them to place_block_symbol.
3554 (init_varasm_once): Initialize object_block_htab.
3555 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
3556 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
3557 (place_block_symbol, get_section_anchor, output_object_block)
3558 (output_object_block_htab, output_object_blocks): New functions.
3559 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
3560 (TARGET_ASM_OUT): Include it.
3561 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
3562 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
3563 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
3564 (TARGET_INITIALIZER): Include them.
3565 * rtl.c (rtl_check_failed_block_symbol): New function.
3566 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
3567 (block_symbol, object_block): New structures.
3568 (rtx_def): Add a block_symbol field to the union.
3569 (BLOCK_SYMBOL_CHECK): New macro.
3570 (rtl_check_failed_block_symbol): Declare.
3571 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
3572 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
3573 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
3574 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
3575 * output.h (output_section_symbols): Declare.
3576 (object_block): Name structure.
3577 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
3578 (default_use_anchors_for_symbol_p): Declare.
3579 * Makefile.in (RTL_BASE_H): Add vec.h.
3580 (explow.o): Depend on output.h.
3581 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
3582 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3583 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3584 (rs6000_use_blocks_for_constant_p): New function.
3586 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3588 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
3590 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
3593 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
3596 2006-02-18 Diego Novillo <dnovillo@redhat.com>
3598 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
3602 2006-02-18 Jakub Jelinek <jakub@redhat.com>
3605 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
3606 instead of DECL_REGISTER.
3608 2006-02-18 Olivier Hainque <hainque@adacore.com>
3611 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
3613 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
3616 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
3617 * opth-gen.awk: Handle Var and InverseMask together.
3618 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
3619 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
3620 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
3621 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
3623 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3624 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3625 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
3626 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3627 LINUX_DYNAMIC_LINKER): Define.
3628 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
3629 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
3631 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3632 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
3633 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3634 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3635 (TARGET_C99_FUNCTIONS): Don't define.
3636 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
3637 GLIBC_DYNAMIC_LINKER.
3638 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
3639 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
3640 GLIBC_DYNAMIC_LINKER64): Define.
3641 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3642 LINUX_DYNAMIC_LINKER64.
3643 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3644 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3645 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
3646 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3647 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3648 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3649 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
3650 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
3651 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
3652 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
3653 and LINUX_DYNAMIC_LINKER32.
3654 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3655 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3656 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
3657 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3658 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
3660 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
3661 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
3662 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3663 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3664 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3665 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
3666 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
3667 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
3668 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3669 LINUX_DYNAMIC_LINKER): Define.
3670 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
3671 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
3672 GLIBC_DYNAMIC_LINKER64): Define.
3673 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
3674 LINUX_DYNAMIC_LINKER64.
3675 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3676 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3677 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
3678 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
3679 LINUX_DYNAMIC_LINKER): Define.
3680 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3681 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3682 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
3683 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
3684 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
3685 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
3686 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
3687 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
3688 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
3689 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3690 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3691 * doc/invoke.texi (-muclibc): Remove caveat about supported
3694 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3696 * doc/cpp.texi (__TIMESTAMP__): Document.
3698 2006-02-17 Roger Sayle <roger@eyesopen.com>
3701 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
3702 C is one less than the width of X (and related transformations).
3703 * simplify-rtx.c (simplify_unary_operation_1): Transform
3704 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
3705 depending on STORE_FLAG_VALUE, were C is one less then the
3708 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
3710 Fix PR tree-optimization/26341
3711 * tree-ssa-operands.c (add_virtual_operand): Remove assert
3712 about NAME_MEMORY_TAG's.
3714 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3717 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
3718 with hardware float support, and software float support. Add fcpy
3719 alternative to hardware patterns. Add alternatives to copy between
3720 general and floating-point registers to the 32-bit pattern.
3721 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
3722 secondary reload to load a QI or HI mode constant into a floating
3724 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
3725 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
3727 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
3730 * config/rs6000/darwin.md (load_macho_picbase_si): Add
3732 (load_macho_picbase_di): Likewise.
3734 2006-02-16 Jeff Law <law@redhat.com>
3736 * tree-vrp.c (set_value_range_to_nonnegative): New function.
3737 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
3738 (ssa_name_nonzero_p): Likewise.
3739 (get_value_range): Return NULL if VRP is not running.
3740 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
3741 VRP routines do not discover a range.
3742 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
3743 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
3744 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
3745 (tree_expr_nonnegative_p): Similarly.
3746 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
3747 (restore_nonzero_vars_to_original_value): Remove.
3748 (unsafe_associative_fp_binop): Remove.
3749 (tree_ssa_dominator_optimize): Remove initialization and
3750 finalization of nonzero_vars and nonzero_vars_stack.
3751 (dom_opt_initialize_block): No longer push marker on
3753 (dom_opt_finalize_block): No longer call
3754 restore_nonzero_vars_to_original_value.
3755 (record_equivalences_from_phis): No longer look for
3756 nonzero PHI arguments.
3757 (cprop_into_successor_phis): No longer propagate nonzero
3758 property into PHI arguments. Lose unused argument. Caller
3760 (record_equivalences_from_stmt): No longer record nonzero
3761 values for SSA_NAMEs.
3762 (lookup_avail_expr): No longer use nonzero_vars.
3764 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
3765 for sizetype when sizetype is unsigned.
3767 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
3769 PR rtl-optimization/25603
3770 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
3771 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
3772 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
3773 with new meaning of SETS.
3775 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
3780 * config/linux.opt: New file.
3781 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
3782 LINUX_DYNAMIC_LINKER): Define.
3783 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
3784 * config.gcc (*-*-linux*): Define extra_options.
3785 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
3786 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
3787 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
3788 GLIBC_DYNAMIC_LINKER.
3789 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
3790 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3791 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
3792 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
3793 * doc/invoke.texi (GNU/Linux Options): New section.
3795 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3797 * config/sparc/sparc.md (setjmp): Rewrite.
3798 (setjmp_32): Delete.
3799 (setjmp_64): Likewise.
3801 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
3803 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
3806 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3808 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
3811 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
3813 PR rtl-optimization/26296
3814 * Makefile.in (loop-invariant.c): Add except.h dependency.
3815 * loop-invariant.c: Include except.h.
3816 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
3818 2005-02-16 Paul Brook <paul@codesourcery.com>
3820 * reload1.c (emit_reload_insns): Invalidate dead input registers used
3823 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
3825 PR rtl-optimization/25636
3826 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
3827 when deciding whether an insn is an initializing insn.
3829 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
3831 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
3832 (tree_code_size): Ditto.
3833 * tree.h (struct tree_memory_tag): Remove parent_var.
3834 (struct tree_struct_field_tag): New.
3837 (union tree_node): Add sft member.
3838 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
3840 (create_sft): Add size and offset argument, set SFT_OFFSET and
3842 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
3843 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
3844 * tree-flow-inline.h (get_subvar_at): Update for
3845 SFT_OFFSET/SFT_SIZE.
3846 (var_can_have_subvars): Ditto.
3847 (overlap_subvar): Ditto.
3848 * print-tree.c (print_node): Print out interesting things for
3850 * tree-flow.h (struct subvar): Remove offset and size members.
3851 * tree-ssa-operands.c (get_expr_operands): Update for
3852 get_indirect_ref_operands changes.
3853 (get_indirect_ref_operands): Call add_virtual_operand instead of
3854 add_stmt_operand. Only recurse on base var if requested.
3855 (access_can_touch_variable): New function.
3856 (add_stmt_operand): Split virtual operand handling into ...
3857 (add_virtual_operand): Here. Add offset, size, and for_clobber
3858 arguments. Prune alias sets.
3859 (add_call_clobber_ops): Call add_virtual_operand.
3861 2006-02-15 Jakub Jelinek <jakub@redhat.com>
3864 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
3866 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
3867 than TREE_CODE as index into omp_clause_num_ops array.
3869 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
3871 PR rtl-optimization/26184
3872 * modulo-sched.c (generate_reg_moves): Free bitmap vector
3874 * modulo-sched.c (sms_schedule): Free g_arr pointer.
3875 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
3876 must_precede, must_follow and tobe_scheduled.
3879 * opts.c (common_handle_option): Free new_option pointer.
3880 * df-core.c (df_analyze): Free postorder pointer.
3882 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
3884 * Makefile.in: Fix the examples about the use of stamps
3886 2006-02-15 Michael Matz <matz@suse.de>
3890 * stor-layout.c (layout_decl): Zero-width bitfields aren't
3891 influenced by maximum_field_alignment or DECL_PACKED.
3892 (update_alignment_for_field): Ditto.
3893 (place_field): Ditto.
3894 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
3897 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
3899 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
3900 (debug_flow_info): Pass it.
3901 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
3902 * bb-reorder.c (reorder_basic_blocks): Likewise.
3903 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
3904 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
3905 * flow.c (life_analysis, recompute_reg_usage): Likewise.
3906 * gcse.c (gcse_main, bypass_jumps): Likewise.
3907 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
3908 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
3909 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
3910 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
3911 * rtl.h (dump_flow_info): Adjust prototype.
3912 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
3913 * var-tracking.c (variable_tracking_main): Likewise.
3914 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
3915 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
3918 2006-02-15 Marcin Dalecki <martin@dalecki.de>
3920 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
3923 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3925 PR tree-optimization/26209
3926 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
3927 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
3929 * tree-cfg.c (replace_uses_by): Do not alter cfg.
3931 2006-02-14 Roger Sayle <roger@eyesopen.com>
3934 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
3935 (X,Y) and the corresponding symmetry related transformations.
3936 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
3937 (X,Y) and its symmetry related transformations.
3939 2006-02-14 Roger Sayle <roger@eyesopen.com>
3941 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
3944 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
3946 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
3948 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3951 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
3952 support COMDAT group.
3953 * configure: Regenerate.
3955 2006-02-14 Roger Sayle <roger@eyesopen.com>
3960 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
3962 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
3964 Fix PR tree-optimization/26260
3966 * doc/invoke.texi (max-fields-for-field-sensitive): Document
3968 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
3969 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
3970 * tree-ssa-structalias.c (create_variable_info_for): Use
3971 MAX_FIELDS_FOR_FIELD_SENSITIVE.
3973 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
3975 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
3977 * tree-ssa-loop-niter.c (number_of_iterations_ne,
3978 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
3979 of the ending condition.
3980 * tree-ssa-loop-manip.c: Include params.h.
3981 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
3982 tree_unroll_loop): New functions.
3983 * tree-pass.h (pass_loop_prefetch): Declare.
3984 * loop.c (rest_of_handle_loop_optimize): Test for
3985 -fprefetch-loop-arrays-rtl.
3986 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
3987 * timevar.def (TV_TREE_PREFETCH): New timevar.
3988 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
3989 pass_loop_prefetch): New.
3990 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
3991 (cleanup_tree_cfg_loop): Call scev_reset.
3992 * common.opt (fprefetch-loop-arrays-rtl): Add.
3993 * tree-ssa-loop-prefetch.c: New file.
3994 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
3995 (new_temp_expr_table): Initialize expr_vars.
3996 (free_temp_expr_table): Cleanup expr_vars.
3997 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
3998 expressions from being merged into one.
3999 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
4000 (struct tree_niter_desc): Add control, bound and cmp fields.
4001 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
4003 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
4004 (tree-cfgcleanup.o): Add SCEV_H dependency.
4005 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
4006 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
4008 2006-02-14 Richard Guenther <rguenther@suse.de>
4010 PR tree-optimization/26258
4011 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
4012 in PHI argument processing.
4014 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
4016 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
4017 new expression in the requested machine mode.
4019 2006-02-13 Roger Sayle <roger@eyesopen.com>
4021 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
4022 directly, instead let do_compare_rtx_and_jump handle this for us.
4023 * expr.c (expand_expr_real_1): Likewise.
4024 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
4025 before do_jump_by_parts_greater.
4026 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
4027 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
4029 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4031 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
4033 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4035 PR rtl-optimization/26235
4036 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
4037 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
4040 2006-02-13 Jeff Law <law@redhat.com>
4042 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
4045 2006-02-13 Jakub Jelinek <jakub@redhat.com>
4048 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
4049 twice if decl is a builtin. When trying again, call get_callee_fndecl
4050 first to verify it is still a builtin.
4052 2006-02-13 Geoffrey Keating <geoffk@apple.com>
4054 * dwarf2out.c (base_type_die): Don't add AT_name here.
4055 (subrange_type_die): Don't add AT_name here.
4056 (modified_type_die): Rearrange code flow. Do add AT_name here.
4058 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
4060 PR rtl-optimization/26247
4061 PR rtl-optimization/26248
4062 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
4064 2006-02-13 Richard Sandiford <richard@codesourcery.com>
4066 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
4067 * config/fixtfdi.c: Likewise.
4068 * config/fixunstfdi.c: Likewise.
4069 * config/floatditf.c: Likewise.
4071 2006-02-13 Roger Sayle <roger@eyesopen.com>
4074 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
4075 into (X,C2) if C1 is a subset of the bits of C2. Transform
4076 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
4078 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
4080 2006-02-13 Josh Conner <jconner@apple.com>
4083 * varasm.c (function_section): Check for section name before
4084 calling select_section on targets that define
4085 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
4086 unlikely_text_section instead of hot_function_section if
4087 first_function_block_is_cold.
4089 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
4092 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
4094 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4096 PR rtl-optimization/26222
4097 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
4098 after tree->rtl expansion.
4099 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
4100 before passing it to emit_move_insn.
4102 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
4104 * doc/invoke.texi (-Write-strings): Document that it is enabled by
4106 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
4107 Clarify documentation.
4108 * c-common.h (warn_write_strings): Remove.
4109 * c-common.c (warn_write_strings): Likewise.
4110 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
4113 2006-02-12 Roger Sayle <roger@eyesopen.com>
4116 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
4117 (do_jump_parts_zero_rtx): New function renamed from
4118 do_jump_parts_equality_rtx. Made static. Add a mode argument.
4119 (do_jump_parts_equality_rtx): New function split out from
4120 do_jump_parts_equality. Old implementation renamed as above.
4121 Call do_jump_parts_zero_rtx if either operand is zero.
4122 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
4123 do all of the heavy lifting.
4124 (do_compare_rtx_and_jump): Handle multi-word comparisons by
4125 calling either do_jump_by_parts_greater_rtx or
4126 do_jump_by_parts_equality_rtx.
4127 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
4128 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
4129 moved to do_compare_rtx_and_jump, call it directly.
4130 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
4131 mode argument. Call do_compare_rtx_and_jump.
4132 (emit_case_nodes): Update calls to do_jump_if_equal.
4134 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4136 PR rtl-optimization/26225
4137 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
4139 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
4141 PR rtl-optimization/26232
4142 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
4144 2006-02-11 Jason Merrill <jason@redhat.com>
4147 * tree-inline.c (declare_return_variable): Just don't use the
4148 modify target if it's a gimple complex reg and the return slot
4151 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4153 * doc/contrib.texi: Update my entry.
4155 2006-02-10 Geoffrey Keating <geoffk@apple.com>
4157 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
4159 2006-02-10 Diego Novillo <dnovillo@redhat.com>
4161 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
4164 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
4166 * doc/invoke.texi (-floop-optimize2): Removed.
4167 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
4168 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
4169 Test flag_branch_on_count_reg only if HAVE_doloop_end.
4170 * common.opt (floop-optimize2): Removed.
4171 (fmove-loop-invariants): Enabled by default.
4173 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
4175 * tree-if-conv.c (combine_blocks): Free the result of
4176 get_loop_exit_edges.
4178 2006-02-10 Jeff Law <law@redhat.com>
4180 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
4182 PR tree-optimization/26213
4183 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
4184 loop trying to follow SSA_NAME_VALUE chains.
4186 2006-02-10 Richard Guenther <rguenther@suse.de>
4188 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
4189 deal with structures that end in implicitly variable sized arrays.
4191 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4193 PR rtl-optimization/24762
4194 * df-scan.c (df_bb_refs_record): Record correct registers defined on
4197 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
4199 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
4200 (struct ivopts_data): Add regs_used field.
4201 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
4202 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
4203 instead of loop_data->regs_used;
4204 (free_loop_data): Do not free aux fields for loops.
4205 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
4206 and tree_ssa_iv_optimize_finalize.
4208 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
4210 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
4212 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4215 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
4216 computing the effective result type.
4218 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
4221 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
4222 (tree_overlaps_hard_reg_set): Declare.
4223 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
4224 type and signature to match function type expected by walk_tree.
4225 (tree_overlaps_hard_reg_set): New function.
4226 (decl_conflicts_with_clobbers_p): Rename to:
4227 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
4228 Use tree_overlaps_hard_reg_set. Changed caller.
4229 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
4230 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
4231 * cris.c (cris_md_asm_clobbers): Likewise.
4233 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
4235 * reload1.c (emit_input_reload_insns): Delete code that tries to
4236 inherit using find_equiv_reg.
4238 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
4240 * c-common.h (flag_const_strings): Don't declare.
4241 * c-common.c (flag_const_strings): Remove.
4242 * c.opt (fconst_strings): Remove.
4243 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
4244 <OPT_Wwrite_strings>: Don't set flag_const_strings.
4245 (c_common_init_options): Don't set flag_const_strings.
4246 * doc/invoke.texi (-fno-const-strings): Remove documentation.
4248 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
4250 * arm.md (tlobits_cbranch): New pattern.
4251 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
4252 testing a single bit.
4254 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4257 * tree-ssa-pre.c (create_component_ref_by_pieces):
4258 Handle RETURN_DECL like VAR_DECL.
4260 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4263 * fold-const.c (fold_indirect_ref_1): Fold
4264 "*(foo *)&complexfoo" to "__real__ complexfoo"
4265 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
4267 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
4269 * tree-flow-inline.h (var_can_have_subvars):
4270 Volatile variables should not have subvariables.
4272 2006-02-09 Diego Novillo <dnovillo@redhat.com>
4275 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
4276 multiplying unsigned values.
4279 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
4281 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
4283 2006-02-08 Jason Merrill <jason@redhat.com>
4286 * tree.def: Elaborate on difference from MODIFY_EXPR.
4287 * doc/c-tree.texi (INIT_EXPR): Likewise.
4288 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
4289 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
4290 (gimplify_target_expr): Likewise.
4291 (gimplify_cond_expr): Remove target handling.
4292 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
4293 (gimplify_expr): Clobber it here.
4294 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
4295 Do return slot optimization if we have an INIT_EXPR.
4298 * tree-inline.c (declare_return_variable): Also clear
4299 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
4302 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
4305 * gimplify.c (gimplify_one_sizepos): Fix typo.
4307 2006-02-08 Jeff Law <law@redhat.com>
4309 PR tree-optimization/21417
4310 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
4311 across a backedge if the control statement at the end of the
4312 block is data dependent on other statements in the same block.
4313 (record_temporary_equivalences_from_stmts): Remove over-conservative
4314 test for threading across backedges.
4316 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
4317 control statement, handle all three special cases in the same
4318 manner as they all have the same desired solution. No longer
4319 special case edge flag updating when the post dominator is
4322 2006-02-08 Roger Sayle <roger@eyesopen.com>
4324 * tree.def (CHAR_TYPE): Remove.
4325 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
4326 * dwarf2out.c (base_type_die, is_base_type): Likewise.
4327 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
4328 (gen_string_type_die): Delete unreachable function.
4330 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
4331 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
4332 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
4333 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
4334 * builtins.c (type_to_class): Likewise.
4335 * fold-const.c (fold_convert, build_range_check,
4336 merge_ranges): Likewise.
4337 * expr.c (count_type_elements): Likewise.
4338 * c-pretty-print.c (pp_c_type_specifier): Likewise.
4339 * stor-layout.c (layout_type): Likewise.
4340 * ipa-type-escape.c (type_to_consider): Likewise.
4341 * gimplify.c (omp_firstprivatize_type_sizes,
4342 gimplify_type_sizes): Likewise.
4343 * explow.c (promote_mode): Likewise.
4344 * tree-sra.c (is_sra_scalar_type): Likewise.
4345 * varasm.c (output_constant): Likewise.
4346 * tree-inline.c (remap_type_1): Likewise.
4347 * convert.c (convert_to_pointer, convert_to_real,
4348 convert_to_integer, convert_to_complex): Likewise.
4350 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
4352 * df-scan.c (df_def_record_1): A set destination may
4353 be a parallel regardless of mode.
4355 2006-02-08 Roger Sayle <roger@eyesopen.com>
4358 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
4359 * config/mips/_tilib.c: Remove.
4360 * config/fixtfdi.c: New libgcc source file.
4361 * config/fixunstfdi.c: New source file.
4362 * config/floatditf.c: New source file.
4363 * config/floatunditf.c: New souce file.
4364 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4365 files above instead of config/mips/_tilib.c.
4366 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4368 2006-02-08 Jeff Law <law@redhat.com>
4370 PR tree-optimization/26169
4371 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
4374 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
4376 * df.h (DF_REG_SIZE): Return the length of the initialized
4379 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
4381 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
4382 __muldf3): Return a correctly signed zero.
4384 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
4386 * passes.c (register_one_dump_file): Accept the current properties
4387 instead of pass number. Adjust call to dump_register. Remove
4389 (register_dump_files): Now a wrapper around...
4390 (register_dump_files_1): ... this one. Do not modify the pass
4392 (next_pass_1): Cosmetic fix.
4393 (execute_todo): Keep second parameter only. Use curr_properties
4394 instead of fetching it from the pass structure. Check and set
4396 (execute_one_pass): Handle TODO_set_props. Use curr_properties
4397 instead of fetching it from the pass structure. Fix calls to
4398 execute_todo. Update curr_properties and initialize .vcg RTL dump
4399 after running the pass. Reset last_verified.
4400 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
4402 (FIRST_AUTO_NUMBERED_DUMP): New.
4403 (dump_register): Remove "num" parameter, assign it within the
4405 (get_dump_file_name): Modify template for dumps.
4406 * tree-dump.h (dump_register): Adjust prototype.
4407 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
4408 (PROP_trees): Add PROP_gimple_lomp.
4409 (TODO_set_props): New.
4410 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
4411 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
4412 * cfgexpand.c (pass_expand): Destroy PROP_trees.
4414 2006-02-08 Jakub Jelinek <jakub@redhat.com>
4416 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
4417 (sparc64-*-linux*): Likewise.
4418 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
4419 * config/sparc/t-linux: New file.
4420 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
4421 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
4422 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
4423 -m32 -mlong-double-128.
4425 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
4426 * config/alpha/t-linux: New file.
4427 * config/alpha/libgcc-alpha-ldbl.ver: New file.
4429 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
4430 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
4431 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
4432 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
4433 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
4434 (CPP_ARCH32_SPEC): Remove.
4436 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
4438 PR tree-optimization/26145
4439 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
4442 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4445 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
4446 >= 240000 when generating code for SOM runtime.
4447 (output_indirect_call): Don't use "b,l" instruction for indirect calls
4448 to $$dyncall when generating code for SOM runtime..
4450 2006-02-07 Dirk Mueller <dmueller@suse.com>
4453 * doc/invoke.texi (-Wsequence-point): Update documentation
4454 that -Wsequence-point is implemented for C++ as well.
4456 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4458 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
4459 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
4460 (LIB_SPEC): Likewise.
4461 * doc/invoke.texi (SPARC options): Document -pthread.
4463 2006-02-07 Geoffrey Keating <geoffk@apple.com>
4465 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
4468 2006-02-07 Roger Sayle <roger@eyesopen.com>
4470 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
4471 Correct comment describing BOOLEAN_TYPE.
4473 2006-02-07 Dirk Mueller <dmueller@suse.com>
4475 * c.opt: C++ frontend supports -Wdiv-by-zero.
4476 * c-opts.c (c_common_handle_option): Remove dead case.
4478 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4480 * configure.ac (TLS assembler check): Do not enable TLS by
4481 default on SPARC/Solaris before version 10.
4482 * configure: Regenerate.
4484 2006-02-07 David Edelsohn <edelsohn@gnu.org>
4486 * doc/invoke.texi (xl-compat): Document conversion and support
4489 2006-02-07 Jeff Law <law@redhat.com>
4491 * tree-vrp.c (find_conditional_asserts): Update comments.
4492 (simplify_stmt_for_jump_threading): New.
4493 (identify_jump_threads, finalize_jump_threads): New.
4494 (vrp_finalize): Call identify_jump_threads.
4495 (execute_vrp): Call finalize_jump_threads.
4496 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
4497 (vrp_element, vrp_data, vrp_element_p): Remove.
4498 (vrp_hash_elt, vrp_variables_stack): Remove.
4499 (vrp_hash, vrp_eq, record_range): Remove.
4500 (simplify_cond_and_lookup_avail_expr): Remove.
4501 (extract_range_from_cond): Remove.
4502 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
4503 (simplify_stmt_for_jump_threading): New.
4504 (dom_thread_across_edge): New wrapper.
4505 (tree_ssa_dominator_optimize): No longer initialize or
4506 finalize any of the VRP datastructures. Remove iteration
4507 step and simplify as a result of removal of iteration step.
4508 (pass_dominator): Perform a cfg cleanup after DOM.
4509 (dom_opt_finalize_block): Use the new common routines
4510 for threading jumps. Simplify stack management slightly.
4511 No longer need to unwind VRP state.
4512 (record_equivalences_from_incoming_edge): No longer record
4514 (eliminate_redundant_computations): No longer call
4515 simplify_cond_and_lookup_avail_expr.
4516 * tree-flow.h (potentially_threadable_block): Prototype.
4517 (thread_across_edge): Likewise.
4518 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
4519 (tree-ssa-threadedge.o): Add dependencies.
4520 * tree-ssa-threadedge.c: New file.
4521 * passes.c (init_optimization_passes): Merge PHIs before
4522 calling VRP. Run VRP again late in the SSA optimization pipeline.
4524 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4526 * df-core.c (df_set_blocks): Do not dereference function pointers.
4527 (df_finish1): Likewise.
4528 (df_hybrid_search_forward): Likewise.
4529 (df_hybrid_search_backward): Likewise.
4530 (df_iterative_dataflow): Likewise.
4531 (df_analyze_problem): Likewise.
4532 (df_compact_blocks): Likewise.
4533 (df_dump): Likewise.
4534 * df-scan.c (df_rescan_blocks): Likewise.
4535 (df_record_entry_block_defs): Likewise.
4537 * genconditions.c (write_conditions): Guard the definition of
4538 'insn_conditions' with the check on GCC version.
4539 (write_writer): Guard the traversal 'insn_conditions' with
4540 the check on GCC version.
4542 2006-02-07 Richard Guenther <rguenther@suse.de>
4546 2006-01-30 Richard Guenther <rguenther@suse.de>
4548 * gimplify.c (gimplify_target_expr): Handle easy cases
4549 without creating a temporary.
4551 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
4553 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
4554 use of float in probability computations. Use edge probabilities
4555 in place of statically computed probabilities.
4556 (min_spec_prob): New static variable.
4557 (schedule_insns): Initialize it.
4558 (GET_SRC_PROB): Removed.
4559 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
4561 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
4564 * config/ia64/unwind-ia64.c: Revert last change.
4565 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
4566 (INCOMING_FRAME_SP_OFFSET): Define.
4568 2006-02-06 Roger Sayle <roger@eyesopen.com>
4570 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
4572 2006-02-07 Ben Elliston <bje@au.ibm.com>
4574 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
4575 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
4576 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
4577 (ix86_return_in_memory): Handle TDmode.
4578 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
4579 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
4581 2006-02-06 Richard Sandiford <richard@codesourcery.com>
4583 * reorg.c (dbr_schedule): Use dump_file instead of file.
4585 2006-02-06 Steve Ellcey <sje@cup.hp.com>
4588 * config/ia64/predicates.md (extr_len_operand): New predicate.
4589 * config/ia64/ia64.md (extv): Tighten constraints.
4591 (*tbit_and_2): Ditto.
4592 (*tbit_and_3): Ditto.
4593 (*tbit_or_2): Ditto.
4594 (*tbit_or_3): Ditto.
4598 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
4601 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
4603 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
4605 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
4606 loop_optimizer_init and loop_optimizer_finalize
4607 * tree-ssa-sink.c (execute_sink_code): Ditto.
4608 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4609 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
4610 tree_ssa_loop_done): Ditto.
4611 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
4612 * sched-ebb.c: Include output.h.
4613 (schedule_ebbs): Do not use dump argument.
4614 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
4615 * loop.c (loop_dump_stream): Removed.
4616 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
4618 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
4619 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
4620 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
4621 loop_iterations, strength_reduce, record_biv, record_giv,
4622 final_giv_value, check_final_value, check_ext_dependent_givs,
4623 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
4624 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
4625 dump_file instead of loop_dump_stream.
4626 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
4628 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
4630 * flow.c (life_analysis, rest_of_handle_life): Ditto.
4631 * haifa-sched.c: Include output.h
4632 (schedule_insns, sched_init): Do not use dump argument.
4633 * mode-switching.c (optimize_mode_switching): Ditto.
4634 * modulo-sched.c (stats_file): Removed.
4635 (print_node_sched_params): Do not call argument dump_file.
4636 (sms_schedule_by_order, loop_canon_p, sms_schedule,
4637 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
4639 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
4641 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
4642 rtl_loop_init, rtl_loop_done): Ditto.
4643 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
4644 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
4646 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
4647 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
4648 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
4649 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
4650 * emit-rtl.c (renumber_insns): Ditto.
4651 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
4652 expand_gimple_basic_block, tree_expand_cfg): Ditto.
4653 * regclass.c (regclass): Ditto.
4654 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
4655 remove_ssa_form, rewrite_out_of_ssa): Ditto.
4656 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
4657 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
4659 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
4660 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
4662 * gcse.c (gcse_file, debug_stderr): Removed.
4663 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
4664 rest_of_handle_gcse): Do not use dump argument.
4665 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
4666 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
4667 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
4668 compute_code_hoist_vbeinout, compute_code_hoist_data,
4669 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
4670 compute_store_table, build_store_vectors, insert_insn_start_bb,
4671 insert_store, remove_reachable_equiv_notes, replace_store_insn,
4672 store_motion): Use dump_file instead of gcse_file.
4673 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
4674 * profile.c (profile_dump_file): Removed.
4675 (branch_prob): Use dump_file instead of profile_dump_file.
4676 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
4678 * tree-ssa-copy.c (dump_copy_of): Ditto.
4679 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
4680 dump file to life_analysis.
4681 * bt-load.c (branch_target_load_optimize): Ditto.
4682 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
4684 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
4685 regclass, dbr_schedule): Declaration changed.
4686 * sched-int.h (sched_init): Declaration changed.
4687 * tree-profile.c (tree_profile_dump_file): Removed.
4688 (tree_profile_hooks): Removed profile_dump_file hook.
4689 * rtl-profile (rtl_profile_dump_file): Removed.
4690 (rtl_profile_hooks): emoved profile_dump_file hook.
4691 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
4693 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
4694 * tree-cfg.c (build_tree_cfg): Ditto.
4695 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
4696 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
4697 Declaration changed.
4698 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
4699 life_analysis and schedule_insns.
4700 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
4702 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
4704 * config/mips/mips.c (mips_reorg): Ditto.
4705 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
4708 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
4710 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4711 (s390_mangle_fundamental_type): New.
4712 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4715 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4716 (alpha_mangle_fundamental_type): New.
4717 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4720 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4722 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
4724 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4725 (sparc_mangle_fundamental_type): New.
4727 2006-02-06 Jakub Jelinek <jakub@redhat.com>
4729 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
4730 (s390x-*-linux*): Likewise.
4731 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
4732 * config/s390/t-linux: New file.
4734 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4736 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
4737 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
4739 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
4741 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
4742 (ANTIC_SAFE_LOADS): New macro.
4743 (find_or_generate_expression): Add prototype.
4744 (set_contains_value): Allow null set for sake of not always having
4745 to allocate ANTIC_SAFE_LOADS.
4746 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
4747 Allow COMPONENT_REF too.
4748 (valid_in_set): Allow COMPONENT_REF.
4749 Check ANTIC_SAFE_LOADS too.
4750 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
4751 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
4753 (can_PRE_operation): Add COMPONENT_REF.
4754 (create_component_ref_by_pieces): New function.
4755 (create_expression_by_pieces): Use create_component_ref_by_pieces.
4756 (insert_aux): Move AGGREGATE_TYPE_P check here.
4757 (compute_avail): Set bb local stmt uids.
4758 (pass_pre): Use TODO_update_ssa_only_virtuals.
4760 2006-02-06 Ben Elliston <bje@au.ibm.com>
4762 * configure.ac: Unconditionally disable decimal float by default.
4763 * configure: Regenerate.
4765 2006-02-06 Ben Elliston <bje@au.ibm.com>
4767 * read-rtl.c (read_name): Terminate reading on EOF.
4769 2006-02-06 Ben Elliston <bje@au.ibm.com>
4771 * dfp.c (decimal_real_arithmetic): Change second argument type
4772 from int to enum tree_code. Do not always return true, but now
4773 return result of any call to decimal_do helper functions.
4774 * dfp.h (decimal_real_arithmetic): Update prototype.
4776 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
4778 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
4780 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
4783 * tree-cfg.c (cleanup_dead_labels): Also don't remove
4786 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4788 * tree-vrp.c (cfg_loops): Removed.
4789 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
4790 Use current_loops instead of cfg_loops. Pass flags to
4791 loop_optimizer_init.
4792 * cfgloopmanip.c (fix_loop_structure): Update only available
4794 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
4795 loop_optimizer_init.
4796 * modulo-sched.c (build_loops_structure): Removed.
4797 (sms_schedule): Use loop_optimizer_init.
4798 * loop-init.c (loop_optimizer_init): Use flags to determine
4799 which properties of loops to prepare.
4800 (rtl_loop_init): Pass flags to loop_optimizer_init.
4801 * tree-ssa-sink.c (execute_sink_code): Ditto.
4802 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
4803 * tree-ssa-pre.c (init_pre): Ditto.
4804 * cfgloop.h (LOOPS_NORMAL): New.
4805 (loop_optimizer_init): Declaration changed.
4807 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4809 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
4810 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
4812 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
4814 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
4816 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
4817 * pa/t-pa64: Delete quadlib.c rule.
4818 * pa/x-ada: Revert last change.
4819 * pa/t-pa: Revert last change. Delete quadlib.c rule.
4821 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
4823 PR rtl-optimization/26087
4824 * rtlanal.c (canonicalize_condition): Do not cross basic block
4827 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
4830 * config/ia64/ia64.c: Include debug.h.
4831 (MAX_ARTIFICIAL_LABEL_BYTES): New.
4832 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
4833 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
4834 (process_epilogue, process_set, process_for_unwind_directive):
4835 Output unwind info only if requested. Add CFA info if requested.
4836 Add new arguments as needed. Adjust callers.
4837 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
4839 (DWARF2_FRAME_INFO): Define to zero.
4840 * config/ia64/unwind-ia64.c: Remove code that compensated for
4841 the CFA offset error fixed above.
4842 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
4843 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
4844 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
4845 -funwind-tables and -fexceptions to enable frame info.
4846 (dwarf2out_frame_init): Define initial CFA even if
4847 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
4848 DWARF2_UNWIND_INFO is nonzero, not just defined.
4849 (dwarf2out_frame_finish): Output non-EH call frame info only
4850 if DWARF2_FRAME_INFO is nonzero.
4851 (convert_cfa_to_loc_list,
4852 compute_frame_pointer_to_cfa_displacement): Define even if
4853 unwind info is not supported.
4854 (gen_subprogram_die): Use the above unconditionally. Remove
4855 legacy alternate code.
4856 * toplev.c (compile_file): Compile in call to
4857 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
4858 (lang_dependent_init): Ditto for dwarf2out_frame_init.
4860 2006-02-04 David Edelsohn <edelsohn@gnu.org>
4861 Jakub Jelinek <jakub@redhat.com>
4863 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
4864 IBM extended float format long double as "g" on powerpc*-linux.
4866 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4869 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
4870 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
4872 2006-02-03 Jason Merrill <jason@redhat.com>
4875 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
4878 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
4879 on the return slot if it's an NRV.
4881 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
4883 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
4884 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
4885 rewrite_use): Do not handle USE_OUTER.
4886 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
4887 add_iv_outer_candidates, may_replace_final_value,
4888 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
4889 (find_interesting_uses_op): Functionality of
4890 find_interesting_uses_outer_or_nonlin moved here.
4891 (find_interesting_uses_outside): Use find_interesting_uses_op.
4893 2006-02-03 Alan Modra <amodra@bigpond.net.au>
4896 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
4898 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
4899 Ulrich Weigand <uweigand@de.ibm.com>
4902 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
4903 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
4904 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
4905 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
4907 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
4908 (s390_rtx_costs): Use the new fields to calculate rtx costs.
4909 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
4910 Define secondary reloads for TFmode moves.
4911 (constant_modes): Add TFmode.
4912 (NR_C_MODES): Set to 8.
4913 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
4915 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
4916 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
4917 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
4918 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
4919 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
4920 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
4921 (FPR mode macro): Add TFmode.
4922 (DSF mode macro): New.
4923 (<de>, <dee> mode attributes): Removed.
4924 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
4925 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
4926 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
4927 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
4928 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
4929 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
4930 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
4931 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
4932 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
4933 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
4934 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
4935 "*negabs<mode>2", "sqrt<mode>2"):
4936 Changed <de> to <xde>. R constraint replaced by <Rf>.
4937 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
4939 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
4940 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
4941 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
4943 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
4944 "extenddftf2", "extendsftf2"): New expanders.
4945 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
4946 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
4947 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
4948 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
4950 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
4951 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
4952 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
4953 __floatditf): Add a GCC_4.1.0 symbol version tag.
4954 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
4957 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
4960 * config/i386/i386.c (ix86_function_ok_for_sibcall):
4961 Use targetm.binds_local_p instead of TREE_PUBLIC.
4963 2006-02-02 Roger Sayle <roger@eyesopen.com>
4965 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
4966 on INTEGER_TYPEs to indicate that it denotes a character type.
4967 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
4968 signed_char_type_node, unsigned_char_type_node and char_type_node.
4969 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
4970 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
4971 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
4973 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
4974 Daniel Berlin <dberlin@dberlin.org>
4976 * tree-tailcall.c (arg_needs_copy_p): New function.
4977 (eliminate_tail_call): Use arg_needs_copy_p.
4978 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
4979 (add_virtual_phis): New function.
4981 2006-02-02 Jakub Jelinek <jakub@redhat.com>
4983 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
4984 #ignore instead of #scratch for %g7 .register directive.
4986 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
4988 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
4991 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
4993 * flow.c (calculate_global_regs_live): Assert that there aren't any
4996 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
4998 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
5000 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
5001 bsi_after_labels iterator.
5002 * tree-if-conv.c (find_phi_replacement_condition,
5003 replace_phi_with_cond_modify_expr): Likewise.
5004 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5005 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
5007 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5009 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
5011 2006-02-02 Diego Novillo <dnovillo@redhat.com>
5014 * tree-cfg.c (move_block_to_fn): Clear out the basic block
5015 array after growing it.
5017 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5020 * fold-const.c (fold_checksum_tree): Change type of buf.
5022 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
5024 * reload.c (push_secondary_reload): Initialize t_icode.
5026 2006-02-01 Jakub Jelinek <jakub@redhat.com>
5028 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
5029 -msoft-float -mlong-double-128 only issue a warning, but don't
5030 swich to DFmode long double.
5032 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
5034 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
5035 has a constant equivalent, iterate over equivalents for arg0,
5036 calling simplify_relational_operation and if there's a result
5037 cheaper than X, apply fold_rtx and return the result.
5039 2006-02-01 Jan Hubicka <jh@suse.cz>
5041 * opts.c (no_unit_at_a_time_default): New global variable.
5042 (decode_options): Use it.
5043 * opts.h (no_unit_at_a_time_default): Declare.
5045 2006-02-01 Paul Brook <paul@codesourcery.com>
5047 * function.c (assign_parm_setup_reg): Use function argument promotion
5049 * expr.c (expand_expr_real_1): Use function argument promotion rules
5052 2006-02-01 Steve Ellcey <sje@cup.hp.com>
5054 * gcc.c (process_command): Change j to 'unsigned int'.
5056 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5059 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
5060 Use the corrected index for the character
5061 out of the string constant.
5063 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5065 * mode-switching.c (optimize_mode_switching): Fix size
5066 allocated for bb_info[n_entities].
5068 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
5070 * gcc.c (main): Correct type that is allocated for
5071 explicit_link_files.
5073 2006-01-31 Jakub Jelinek <jakub@redhat.com>
5075 * config/s390/s390.c (init_alignment_context): Set
5076 ALIAS_SET_MEMORY_BARRIER on the MEM.
5077 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
5079 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
5082 * loop-unroll.c (unroll_loop_runtime_iterations): Free
5084 * tree-ssa-live.c (type_var_init): Allocate bitmap after
5087 2006-01-31 Marcin Dalecki <martin@dalecki.de>
5089 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
5090 * regrename.c: Ditto.
5091 * tree-ssa-loop-im.c: Ditto.
5092 * tree-dump.c: Ditto.
5093 * tree-complex.c: Ditto.
5094 * genrecog.c: Ditto.
5095 * tree-ssa-threadupdate.c: Ditto.
5097 * java/class.c: Ditto.
5098 * java/jcf-parse.c: Ditto.
5099 * java/resource.c: Ditto.
5100 * java/except.c: Ditto.
5101 * java/jvspec.c: Ditto.
5102 * java/jcf-write.c: Ditto.
5103 * java/jcf-path.c: Ditto.
5104 * java/gjavah.c: Ditto.
5105 * java/zextract.c: Ditto.
5106 * java/jcf-io.c: Ditto.
5107 * java/jcf.h: Ditto.
5108 * java/buffer.c: Ditto.
5109 * java/lang.c: Ditto.
5110 * java/parse-scan.y: Ditto.
5111 * java/lex.c: Ditto.
5112 * java/lex.h: Ditto.
5113 * cfgloopmanip.c: Ditto.
5114 * postreload-gcse.c: Ditto.
5115 * tree-ssa-loop-manip.c: Ditto.
5116 * postreload.c: Ditto.
5117 * tree-ssa-loop-ch.c: Ditto.
5121 * diagnostic.c: Ditto.
5123 * genoutput.c: Ditto.
5125 * cfghooks.c: Ditto.
5126 * cfgloopanal.c: Ditto.
5127 * objc/objc-act.c: Ditto.
5129 * genextract.c: Ditto.
5130 * genautomata.c: Ditto.
5131 * pretty-print.c: Ditto.
5133 * cgraphunit.c: Ditto.
5136 * haifa-sched.c: Ditto.
5137 * dominance.c: Ditto.
5139 * tree-ssa-loop-ivopts.c: Ditto.
5141 * mode-switching.c: Ditto.
5142 * modulo-sched.c: Ditto.
5144 * ipa-pure-const.c: Ditto.
5146 * fix-header.c: Ditto.
5148 * tree-stdarg.c: Ditto.
5149 * ipa-utils.c: Ditto.
5150 * loop-init.c: Ditto.
5151 * ipa-inline.c: Ditto.
5154 * alloc-pool.c: Ditto.
5155 * dwarf2out.c: Ditto.
5157 * genattrtab.c: Ditto.
5158 * tree-ssa-loop-ivcanon.c: Ditto.
5162 * fortran/gfortranspec.c: Ditto.
5164 * local-alloc.c: Ditto.
5165 * langhooks.c: Ditto.
5166 * function.c: Ditto.
5167 * tree-vectorizer.c: Ditto.
5169 * ipa-type-escape.c: Ditto.
5171 * tree-if-conv.c: Ditto.
5174 * tree-data-ref.c: Ditto.
5175 * loop-unroll.c: Ditto.
5176 * treelang/treetree.c: Ditto.
5179 * ggc-common.c: Ditto.
5181 * coverage.c: Ditto.
5183 * tree-cfgcleanup.c: Ditto.
5184 * tree-ssa-pre.c: Ditto.
5185 * cfgcleanup.c: Ditto.
5186 * loop-invariant.c: Ditto.
5188 * ipa-prop.c: Ditto.
5189 * print-tree.c: Ditto.
5190 * conflict.c: Ditto.
5191 * ggc-page.c: Ditto.
5192 * sched-deps.c: Ditto.
5193 * regclass.c: Ditto.
5194 * tree-object-size.c: Ditto.
5196 * bb-reorder.c: Ditto.
5197 * resource.c: Ditto.
5198 * var-tracking.c: Ditto.
5200 * df-problems.c: Ditto.
5201 * reg-stack.c: Ditto.
5204 * sched-rgn.c: Ditto.
5205 * tree-ssa-structalias.c: Ditto.
5206 * tree-ssa-reassoc.c: Ditto.
5207 * config/darwin-c.c: Ditto.
5208 * config/darwin.c: Ditto.
5209 * config/arm/arm.c: Ditto.
5211 * collect2.c: Ditto.
5214 2006-01-31 Nicolas Pitre <nico@cam.org>
5216 * arm.md (smaxsi3): Make aware of smax_m1.
5219 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
5221 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
5223 2006-01-31 Richard Guenther <rguenther@suse.de>
5225 * doc/invoke.texi (-msselibm): Document.
5226 * target.h (expand_library_builtin): New target hook.
5227 * builtins.c (expand_builtin): Use expand_library_builtin.
5228 (default_expand_library_builtin): New function.
5229 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5230 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5231 (link_gcc_math_spec): Declare.
5232 (static_specs): Add link_gcc_math_spec.
5233 * expr.h (default_expand_library_builtin): Declare.
5234 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5235 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5236 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5237 * config/i386/i386.opt (msselibm): New target option.
5238 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5239 (ix86_init_sse_abi_builtins): New function.
5240 (ix86_expand_library_builtin): Likewise.
5241 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5242 (override_options): Handle error conditions wrt -msselibm.
5243 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5244 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5245 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5248 2006-01-31 Richard Guenther <rguenther@suse.de>
5249 Paolo Bonzini <bonzini@gnu.org>
5251 * doc/install.texi (--disable-libgcc-math): Document.
5253 2006-01-30 Marcin Dalecki <martin@dalecki.de>
5255 * expr.h (expand_normal): new inline function.
5256 * builtins.c: use it, use EXPAND_NORMAL explicitely.
5258 * dwarf2out.c: use it.
5263 * config/sparc/sparc.c: use it.
5264 * config/i386/i386.c: use it.
5265 * config/rs6000/rs6000.c: use it.
5266 * config/arm/arm.c: use it.
5267 * config/mips/mips.c: use it.
5268 * stmt.c: use it, use EXPAND_NORMAL explicitely.
5270 2006-01-30 Roger Sayle <roger@eyesopen.com>
5272 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
5273 argv to the appropriate type.
5275 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
5277 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
5280 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
5283 * config/s390/s390.c (struct machine_function): New flag
5284 decomposed_literal_pool_addresses_ok_p.
5285 (s390_reorg): Set it before final stage of literal pool transforms.
5286 (s390_decompose_address): Only accept displacements of the form
5287 (minus (label_ref ...) (label_ref ...)) if that flag is set.
5289 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
5291 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
5292 the comparison routine return.
5294 2006-01-30 Michael Matz <matz@suse.de>
5296 * global.c (find_reg): Only evict for global regs.
5297 Take n_refs into account and dump more info.
5299 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
5302 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
5303 (pragma_trap, pragma_nosave_low_regs): Likewise.
5304 (current_function_anonymous_args): Likewise.
5305 (sh_deferred_function_attributes): New variable.
5306 (sh_deferred_function_attributes_tail): Likewise.
5307 (print_operand): For '@', look up trap_exit attribute.
5308 (calc_live_regs): Look up trapa_handler attribute. For trapa
5309 handlers, save/restore fpscr, but don't do any other
5310 interrupt-specific saves.
5311 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
5312 Fix check for partially saved registers to check for SHmedia.
5313 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
5314 (sh_output_function_epilogue): Don't clear any of the removed
5316 (sh_insert_attributes): Don't check pragma_interrupt.
5317 Insert deferred attributes. Check that interrupt attribute is
5318 present for other attributes that require its presence.
5319 (sh_attribute_table): Add new attributes trapa_handler and
5321 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
5322 Don't check for pragma_interrupt. Don't store argument.
5323 * sh.h (pragma_interrupt, sp_switch): Don't declare.
5324 (sh_deferred_function_attributes): Declare.
5325 (sh_deferred_function_attributes_tail): Likewise.
5326 * sh.md (sp_switch_1): Add operand. Change generator caller.
5327 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
5328 (*return_i): Don't use when trap_exit attribute is in effect.
5329 (*return_trapa): New insn pattern.
5331 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
5332 setting c_target_objs and cxx_target_objs.
5333 * t-sh: Add rule for sh-c.o.
5335 2006-01-30 Richard Guenther <rguenther@suse.de>
5338 * gimplify.c (gimplify_target_expr): Handle easy cases
5339 without creating a temporary.
5341 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
5343 * vec.h (safe_grow): Remove duplicated line.
5345 2006-01-29 Diego Novillo <dnovillo@redhat.com>
5348 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
5349 (expand_omp): ... here.
5350 (expand_omp_parallel): Only remove barriers for combined
5351 parallel+workshare constructs.
5353 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
5357 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
5358 * tree.c (build_qualified_type): Chain the new type to the original
5359 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
5360 a POINTER_TYPE or a REFERENCE_TYPE respectively.
5361 (build_pointer_type_for_mode): Only return unqualified types.
5362 (build_reference_type_for_mode): Likewise.
5364 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
5366 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
5367 * Makefile.in (CXX_COMPAT_WARN): Define.
5368 * configure: Regenerate.
5370 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
5373 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
5376 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5378 * toplev.c: Fix thinko.
5380 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
5381 Marcin Dalecki <martin@dalecki.de>
5383 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
5384 (push_srcloc): Use XNEW.
5385 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
5387 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
5389 * df-core.c (df_set_blocks): Deleted all variable.
5391 2006-01-28 Ian Lance Taylor <ian@airs.com>
5393 * cgraphunit.c (cgraph_assemble_pending_functions): Call
5394 cgraph_output_pending_asms.
5396 2006-01-28 Zack Weinberg <zackw@panix.com>
5398 * c.opt: Add -W(no-)overlength-strings.
5399 * doc/invoke.texi: Document it.
5400 * c-opts.c (c_common_handle_option): -pedantic implies
5401 -Woverlength-strings, if not explicitly disabled already.
5402 (c_common_post_options): -Woverlength-strings defaults to off, and
5403 is always off for C++.
5404 * c-common.c (fix_string_type): Issue warning about strings longer
5405 than is portable only if warn_overlength_strings. Rearrange code
5406 a little for clarity.
5407 * configure.in: Check for -Wno-overlength-strings as well before
5408 enabling -pedantic in stage 1.
5409 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
5410 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
5412 * genconditions.c (write_header, write_one_condition)
5413 (write_conditions, write_writer): Consolidate very long strings
5414 that were broken up to fit in C89 portable limit. Don't use
5415 printf when fputs will do.
5417 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
5419 * combine.c (simplify_comparison <AND>): Check
5420 TRULY_NOOP_TRUNCATION before start using a subreg.
5422 * config/mips/mips.md (*branch_zero<mode>,
5423 *branch_zero<mode>_inverted, *branch_equality<mode>,
5424 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
5425 Remove mode check from comparisons.
5427 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
5429 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
5431 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5433 * expmed.c (const_mult_add_overflow_p): Remove.
5434 * expr.h: Remove the prototype for const_mult_add_overflow_p.
5436 * recog.c (validate_replace_rtx_subexp): Remove.
5437 * recog.h: Remove the prototype for
5438 validate_replace_rtx_subexp.
5440 * integrate.h: Remove the prototype for
5441 copy_decl_for_inlining.
5442 * rtl.h: Remove the prototype for mark_constant_function.
5443 * tree-vectorizer.h: Remove the prototype for
5444 vect_strip_conversion.
5446 * modulo-sched.c (create_partial_schedule,
5447 free_partial_schedule, reset_partial_schedule): Make them
5450 * hooks.c (hook_bool_rtx_int_false): Remove.
5451 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
5453 2006-01-28 David Edelsohn <edelsohn@gnu.org>
5455 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5456 and -mlong-double-128 are incompatible.
5457 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
5458 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
5459 (TARGET_LIBGCC2_CFLAGS): Define.
5460 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
5461 (TARGET_LIBGCC2_CFLAGS): Same.
5462 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
5464 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
5467 * c-typeck.c (build_binary_op): Perform implicit casts of
5468 operands before shortening them.
5470 * cfgloopmanip.c (split_loop_bb): Remove.
5471 * cfgloop.h: Remove the prototype for split_loop_bb.
5473 * cfgloop.c (flow_loop_outside_edge_p): Remove.
5474 * cfgloop.h: Remove the prototype for
5475 flow_loop_outside_edge_p.
5477 * emit-rtl.c (init_virtual_regs): Make it static.
5478 * function.h: Remove the prototype for init_virtual_regs.
5480 * recog.c (peephole2_optimize): Make it static.
5481 * recog.h: Remove the prototype for peephole2_optimize.
5483 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5485 * df-scan.c (df_record_entry_block_defs): Check if
5486 INCOMING_RETURN_ADDR_RTX is defined.
5488 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
5489 Kenneth Zadeck <zadeck@naturalbridge.com>
5491 PR rtl-optimization/24762
5492 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5493 * targhooks.c (hook_void_bitmap): New hook prototype.
5494 * targhoohs.h (hook_void_bitmap): Ditto.
5495 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
5496 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
5497 * target.h (live_on_entry): New function pointer.
5498 * df-scan.c (df_all_hard_regs): Removed.
5499 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
5500 (df_scan_free_internal): Added df->entry_block_defs.
5501 (df_scan_alloc): Ditto.
5502 (df_scan_dump): Ditto.
5503 (df_uses_record): Plumbed flag field properly thru calls.
5504 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
5505 This part fixes PR24762.
5506 (df_bb_refs_record): Added code to make the frame and arg
5507 pointers live in EH blocks.
5508 (df_refs_record): Added call to df_record_entry_block_defs.
5509 (df_record_entry_block_defs): New function.
5510 * df-core.c: Added comments to describe new artifical defs.
5511 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
5512 (entry_block_defs): New field in struct df.
5513 (df_all_hard_regs): Deleted.
5514 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
5515 * df-problems.c (df_ru_bb_local_compute_process_def):
5516 Added code to handle artifical defs in the entry to a function.
5517 (df_ru_bb_local_compute): Ditto.
5518 (df_rd_bb_local_compute_process_def): Ditto.
5519 (df_rd_bb_local_compute): Ditto.
5520 (df_lr_bb_local_compute): Ditto.
5521 (df_ur_bb_local_compute): Ditto.
5522 (df_urec_bb_local_compute): Ditto.
5523 (df_chain_create_bb): Ditto.
5524 (df_ur_local_finalize): Removed entry.
5525 (df_urec_init): Ditto.
5526 (df_urec_local_finalize): Ditto.
5527 (df_ri_bb_compute): Added detection of last use of pseudos.
5528 * Makefile.in (df-scan.o): Updated dependencies.
5529 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
5530 * config/mips/mips.c (mips_set_live_on_entry): Added.
5531 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
5533 * dce.c (marked_insn_p): Added code to handle artifical defs.
5535 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
5537 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
5539 (_mm_cvtsi128_si64): Likewise.
5540 (_mm_cvtsd_si64): Likewise.
5541 (_mm_cvttsd_si64): Likewise.
5542 (_mm_cvtsi64_sd): Likewise.
5543 (_mm_cvtsi64_si128): Likewise.
5544 * config/i386/mmintrin.h (_m_from_int64): Likewise.
5545 (_mm_cvtsi64_m64): Likewise.
5546 (_m_to_int64): Likewise.
5547 (_mm_cvtm64_si64): Likewise.
5548 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
5549 (_mm_cvttss_si64): Likewise.
5550 (_mm_cvtsi64_ss): Likewise.
5551 (_mm_cvtss_f32): Likewise.
5553 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
5555 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
5556 for pragma redefine_extname.
5558 2006-01-27 Jakub Jelinek <jakub@redhat.com>
5561 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
5562 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
5563 -mno-minimal-toc to previous content.
5564 (bispecs): Remove goal.
5565 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
5566 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
5567 compatibility aliases on powerpc-*-*gnu*.
5568 * config/rs6000/libgcc-ppc-glibc.ver: New file.
5569 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
5570 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
5571 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
5572 (ldblspecs): New goal.
5573 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
5574 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
5576 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
5577 L_sf_to_tf or L_df_to_tf is defined.
5579 2006-01-27 David Edelsohn <edelsohn@gnu.org>
5580 Alan Modra <amodra@bigpond.net.au>
5583 * config/rs6000/linux.h (POWERPC_LINUX): Define.
5584 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
5585 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
5586 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
5587 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
5588 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
5589 (rs6000_override_options): Initialize rs6000_ieeequad.
5590 Initialize TFmode format to ibm_extended_format if not
5592 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
5594 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
5595 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
5596 (function_arg_advance): IBM long double passed in two FPRs, not
5598 (function_arg): IBM long double passed in FPRs.
5599 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
5600 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
5601 Only multireg GPR aligned.
5602 (rs6000_init_libfuncs): Enable IBM long double functions if not
5604 (rs6000_generate_compare): Use IBM long double compare if not
5606 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
5607 (TARGET_IEEEQUAD): Define.
5608 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
5609 not TARGET_IEEEQUAD.
5610 * config/rs6000/rs6000.md: Enable TFmode patterns if
5612 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
5613 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
5614 and -mlong-double-128 are incompatible.
5615 * doc/invoke.texi (-mabi): Collect options together. Add
5616 ibmlongdouble and ieeelongdouble.
5618 2006-01-27 Richard Sandiford <richard@codesourcery.com>
5620 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
5622 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
5623 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
5624 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
5625 * rtl.h (rtunion_def): Remove rt_ptr.
5627 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
5628 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
5629 * config/i386/winnt.c (i386_pe_mark_dllexport)
5630 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
5632 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
5634 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
5636 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5640 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
5641 pthread_key_delete. From John David Anglin. gthrw-ify
5642 pthread_getunique_np only if it it's not a macro. Delete
5644 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
5645 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
5646 __gthread_objc_condition_signal, __gthread_key_delete): Add
5647 "__attribute__ ((__unused__))" to unused arguments.
5648 (__gthread_recursive_mutex_init_function): Add missing return.
5649 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
5650 gthr-posix95.h: Use macro-based approach for name redirection
5651 on targets missing weakref.
5653 2006-01-26 Zack Weinberg <zackw@panix.com>
5655 * genconditions.c (write_header): In generated code, #ifdef out
5656 all includes and fake declarations, except includes of bconfig.h
5657 and system.h, unless GCC_VERSION >= 3001. Do not include
5658 gensupport.h in any case.
5659 (write_conditions): Generate a definition of struct c_test. Add
5660 a comment to the generated #endif.
5661 (write_one_condition): Escape backslashes in string too.
5662 (write_writer): Generated code must escape backslashes and quote
5663 marks (but not newlines) in the strings it writes.
5664 * Makefile.in (build/gencondmd.o): Update dependencies.
5666 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5669 * Makefile.in (insn-automata.o): Add header file dependencies.
5670 * genautomata.c: Add includes.
5672 2006-01-26 Steve Ellcey <sje@cup.hp.com>
5675 * Makefile.in (insn-automata.o): Add -Wno-error flag.
5677 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5679 * configure.ac: Expect target tools paths to be passed from the toplevel
5680 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
5682 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
5684 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
5687 * c.opt (Wpointer-sign): Init to -1.
5688 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
5689 OPT_pedantic, to 0 otherwise.
5690 * doc/invoke.texi: Update.
5692 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
5694 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
5695 constants provided by 80387 instructions in the destination mode.
5697 2006-01-26 Richard Guenther <rguenther@suse.de>
5698 Andrew Pinski <pinskia@physics.uc.edu>
5701 partial PR tree-opt/17064
5702 * tree-ssa-structalias.c (intra_create_variable_infos):
5703 Create heap variables for incoming parameters if
5704 flag_argument_noalias > 1.
5705 (find_what_p_points_to): Look through default defs of
5708 2006-01-26 Jeff Law <law@redhat.com>
5711 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
5712 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
5713 within the VR_RANGE, use the VR_RANGE as the result, not the
5715 (adjust_range_with_scev): Reject ranges from SCEV which are out of
5716 bounds for the type.
5718 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
5720 * tree-ssa-alias.c (maybe_create_global_var): Change
5721 subvar walking to an assertion that we don't have subvar'd variables.
5723 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
5726 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
5727 Use a new variable, inner. PARM_DECLs are always non-weak.
5729 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
5731 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
5734 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
5736 * config/mips/mips.md (*clear_upper32): New combiner pattern.
5738 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
5740 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
5741 (smax_insn, smin_insn, smax_0, smin_0): New.
5743 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
5746 * config/cris/cris.c (cris_order_for_addsi3): New function.
5747 * config/cris/cris-protos.h: Prototype it.
5748 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
5749 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
5750 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
5751 (split for "op.S1 [rx=rx+i],ry (swapped)")
5752 (split for "op(s|u).S1 [rx=rx+i],ry")
5753 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
5754 Apply cris_order_for_addsi3 when generating addsi3 insns.
5756 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5758 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
5759 (TREE_BLOCK): Add call to EXPR_CHECK.
5761 2006-01-25 Diego Novillo <dnovillo@redhat.com>
5764 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
5765 * tree-pretty-print.c (dump_omp_clause): Extract from ...
5766 (dump_omp_clauses): ... here.
5767 (dump_generic_node): Handle OMP_CLAUSE.
5768 * tree.c (omp_clause_num_ops): New.
5769 (omp_clause_code_name): New.
5770 (tree_code_size): Handle OMP_CLAUSE.
5771 (tree_size): Likewise.
5772 (make_node): Document handling of OMP_CLAUSE.
5773 (tree_node_structure): Handle OMP_CLAUSE.
5774 (omp_clause_check_failed): New.
5775 (omp_clause_range_check_failed): New.
5776 (omp_clause_operand_check_failed): New.
5777 (build_omp_clause): New.
5778 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
5779 * tree.h (enum omp_clause_code): Declare.
5780 (OMP_CLAUSE_SUBCODE_CHECK): Define.
5781 (OMP_CLAUSE_RANGE_CHECK): Define.
5782 (OMP_CLAUSE_ELT_CHECK): Define.
5783 (omp_clause_check_failed): Declare.
5784 (omp_clause_operand_check_failed): Declare.
5785 (omp_clause_range_check_failed): Declare.
5786 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
5787 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
5788 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
5789 (OMP_CLAUSE_LASTPRIVATE): Likewise.
5790 (OMP_CLAUSE_IF_EXPR): Likewise.
5791 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
5792 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
5793 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
5794 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
5795 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
5796 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
5797 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
5798 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
5799 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
5800 (OMP_CLAUSE_CODE): Define.
5801 (OMP_CLAUSE_SET_CODE): Define.
5802 (OMP_CLAUSE_CODE): Define.
5803 (OMP_CLAUSE_OPERAND): Define.
5804 (struct tree_omp_clause): Declare.
5805 (union tree_node): Add field 'omp_clause'.
5806 * treestruct.def (TS_OMP_CLAUSE): Define.
5807 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
5808 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
5809 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
5810 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
5811 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
5812 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
5813 (OMP_CLAUSE): Define.
5814 * print-tree.c (print_node): Handle OMP_CLAUSE.
5815 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
5816 * c-typeck.c: Likewise.
5817 * gimplify.c: Likewise.
5818 * c-omp.c: Likewise.
5819 * tree-nested.c: Likewise.
5820 * tree-inline.c: Likewise.
5821 * c-parser.c: Likewise.
5822 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
5825 2006-01-25 Roger Sayle <roger@eyesopen.com>
5827 PR rtl-optimization/25703
5828 * combine.c (try_combine): Handle zero_extract and strict_low_part
5829 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
5831 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
5833 * global.c: Fix comment typos.
5835 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
5838 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
5839 Use output_addr_const instead of assemble_name.
5841 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
5843 * Makefile.in (sched-vis.o): Update dependencies.
5844 * haifa-sched.c (sched_finish): Clear current_sched_info.
5845 * cfg.c (dump_bb_info): New, split from dump_flow_info.
5846 (dump_flow_info): Call it.
5847 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
5849 * basic-block.h (dump_bb_info): Declare.
5850 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
5851 option, and apply options only for dump files whose TDF_RTL,
5852 TDF_TREE, or TDF_IPA bits match.
5853 * rtl.h: Declare new functions exported from sched-vis.c.
5854 * sched-vis.c: Enable also if scheduling is not used.
5855 (print_value): Print the mode of registers if not inside scheduling.
5856 (print_insn): Make it work outside the scheduler. Beautify the output
5858 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
5860 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5862 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
5863 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
5864 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
5865 depending on the value of CONSTANT_POOL_ADDRESS_P.
5866 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
5868 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
5869 rather than SYMBOL_REF_DECL.
5870 (rtx_constant_pool): Remove const_rtx_sym_htab.
5871 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
5872 (init_varasm_status): Don't initialize const_rtx_sym_htab.
5873 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
5874 Remove handling of const_rtx_sym_htab.
5875 (find_pool_constant): Delete.
5876 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
5877 rather than find_pool_constant.
5878 (get_pool_constant_for_function): Delete.
5879 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
5881 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
5882 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
5883 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
5884 (SYMBOL_REF_CONSTANT): New macro.
5885 (get_pool_constant_for_function): Delete.
5886 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
5887 rather than SYMBOL_REF_DECL.
5888 (i386_pe_mark_dllimport): Likewise.
5889 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
5890 rather than SYMBOL_REF_DECL.
5891 * config/darwin.c (machopic_indirect_data_reference): Likewise.
5892 (machopic_indirect_call_target): Likewise.
5894 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
5896 * flow.c (delete_noop_moves): Add missing EOL to dump message.
5898 2006-01-25 Richard Sandiford <richard@codesourcery.com>
5900 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
5902 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
5904 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
5906 2006-01-24 David Daney <ddaney@avtrex.com>
5909 * configure.ac (enable_tls): New enable option.
5910 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
5911 * configure: Regenerate.
5912 * doc/install.texi (--enable-tls): Document new option.
5913 (--disable-tls): Ditto.
5915 2006-01-24 Richard Henderson <rth@redehat.com>
5917 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
5918 * alias.c (true_dependence): Respect it.
5919 (canon_true_dependence, write_dependence_p): Likewise.
5920 * builtins.c (get_builtin_sync_mem): Set it.
5922 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
5924 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
5927 2006-01-24 DJ Delorie <dj@redhat.com>
5929 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
5930 for storing constants in single-bit bitfields.
5932 2006-01-25 Ben Elliston <bje@au.ibm.com>
5934 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
5936 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
5939 * tree-ssa-pre.c (phi_translate): Return NULL
5940 for AGGREGATE_TYPE's.
5942 2006-01-24 Zack Weinberg <zackw@panix.com>
5944 * genautomata.c (process_state_for_insn_equiv_partition):
5945 Use xcalloc for insn_arcs_array.
5946 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
5947 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
5949 2006-01-24 Richard Henderson <rth@redhat.com>
5951 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
5954 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
5956 PR rtl-optimization/25890
5957 PR rtl-optimization/25905
5958 * combine.c (expand_compound_operation, expand_field_assignment):
5959 Fail if the bitfield's final position is out of bounds.
5961 2006-01-24 Ian Lance Taylor <ian@airs.com>
5964 * cgraphunit.c (cgraph_output_in_order): Don't clear
5965 cgraph_asm_nodes until after asm strings have been output.
5967 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
5969 * fix-header.c (read_scan_file): Add new parameter imultilib when
5970 calling register_include_chains.
5972 2006-01-23 Diego Novillo <dnovillo@redhat.com>
5974 * omp-low.c: Update documentation.
5976 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5977 Daniel Berlin <dberlin@dberlin.org>
5981 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
5982 return from the function.
5984 2006-01-22 Zack Weinberg <zackw@panix.com>
5986 * rtl.def (match_code): Add second argument.
5987 * genpreds.c (write_extract_subexp): New function.
5988 (write_match_code): Add path argument. Use write_extract_subexp.
5989 (write_predicate_expr): Pass path to write_match_code.
5990 (mark_mode_tests): MATCH_CODE applied to a subexpression does
5991 not perform a mode test.
5992 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
5993 a subexpression does not constrain the top-level code set.
5994 * read-rtl.c (read_rtx_variadic): New function.
5995 (read_rtx_1): Use it; allow AND and IOR to be variadic.
5996 * doc/md.texi: Document new notation.
5997 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
5998 (cmpsi_operand): ... here, using new notation.
6000 2006-01-22 Zack Weinberg <zackw@panix.com>
6002 * varray.c: Remove GENERATOR_FILE #ifdefs.
6004 2006-01-22 Zack Weinberg <zackw@panix.com>
6006 * genautomata.c (output_reserved_units_table): Emit nothing if
6007 description->query_units_num is zero. Remove extra blank line.
6008 (output_cpu_unit_reservation_p): Short circuit
6009 if description->query_units_num is zero.
6011 2006-01-22 Zack Weinberg <zackw@panix.com>
6013 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
6014 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
6015 nor any of the random handful of variables that used to be necessary
6016 when this program was linked with rtlanal.o. Prune set of forward
6017 function declarations.
6018 (struct attr_desc): Remove static_p field.
6019 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
6020 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
6021 (attr_string): Do not read the character one past the length of
6023 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
6024 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
6025 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
6026 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
6027 (make_automaton_attrs): New.
6028 (main): Do not call into genautomata. Call local gen_bypass
6029 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
6030 Remove special case for insn_alts.
6031 * genautomata.c: Include gensupport.h; not genattrtab.h nor
6032 varray.h (leftover from previous change). Prune set of forward
6033 function declarations. Remove state_alts fields from all
6034 structures. Remove state_alts_table from struct automaton.
6035 Make everything except main static. Do not maintain num_dfa_decls.
6036 Do not maintain state_alts fields of various structures.
6037 (process_decls): Don't validate condexp for dm_insn_reserv decls.
6038 (add_arc): Remove state_alts argument. All callers updated.
6039 (output_reserved_units_table): Emit #ifdef here...
6040 (output_tables): ...not here. Don't generate state_alts tables.
6041 (expand_automata): Don't generate attributes.
6042 (write_automata): Don't generate state_alts functions.
6043 (main): New function.
6044 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
6045 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
6046 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
6047 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
6048 (BYPASS_P_FUNC_NAME, output_state_alts_table)
6049 (output_automata_list_state_alts_code, output_internal_state_alts_func)
6050 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
6051 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
6053 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
6054 * genattrtab.h: Delete file.
6055 * Makefile.in (OBJS-common): Add insn-automata.o.
6056 (insn-automata.o): New rule.
6057 (simple_generated_c): Add insn-automata.c.
6058 (build/genattrtab.o, build/genautomata.o): Update dependencies.
6059 (genprogmd): Add automata.
6060 (build/genattrtab): Needs no extra objects nor libraries.
6061 (build/genautomata): Needs build/vec.o and -lm.
6063 2006-01-22 Zack Weinberg <zackw@panix.com>
6065 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
6066 (output_dfa_max_issue_rate, locked_states_num): Delete.
6067 (struct automaton): Add locked_states field.
6068 (output_dead_lock_vect): Save number of locked states in
6069 automaton->locked_states. If it is zero, don't print anything.
6070 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
6071 (output_internal_dead_lock_func): Only test the dead_lock_vect
6072 for automata that have locked states.
6073 (output_statistics): Always print the number of locked states for
6074 each automaton. Calculate total number of locked states here.
6075 (write_automata): Don't call output_dfa_max_issue_rate.
6076 * genattrtab.c: Define length_unit_log as a const variable.
6077 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
6078 max_insn_queue_index const.
6079 * final.c (length_unit_log): Declare const.
6080 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
6082 2006-01-22 Zack Weinberg <zackw@panix.com>
6084 * genautomata.c: Include vec.h, not varray.h.
6085 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
6086 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
6087 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
6088 VEC_* macros operating on appropriately typed vectors, or to
6089 malloced arrays when the size is known in advance. Const-ify
6090 many char* variables and function arguments. No functional changes.
6091 * Makefile.in (build/varray.o): Delete rule.
6092 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
6093 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
6095 2006-01-22 Zack Weinberg <zackw@panix.com>
6097 * gensupport.c: Define get_insn_name and record_insn_name here.
6098 (read_md_rtx): Call record_insn_name as appropriate.
6099 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
6100 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
6101 * genpreds.c, genrecog.c: Don't define get_insn_name nor
6103 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
6104 (BUILD_VARRAY): Delete.
6105 (genprognormal): Rename genprogmd. Fold in all programs from
6106 genprognoprint; also attrtab.
6107 (build/genattrtab): Just mention genautomata.o and varray.o.
6108 Reorganize a bit, add comments to make the categories clearer.
6110 2006-01-22 Zack Weinberg <zackw@panix.com>
6112 * genconditions.c (condition_table, add_condition): Delete.
6113 (write_conditions): Don't emit n_insn_conditions nor
6114 insn_elision_unavailable. Issue the gcc version #ifdef here,
6115 inside the table, with no #else clause ...
6116 (write_header): ...not here.
6117 (write_writer): New function.
6118 (main): Don't initialize condition_table. Use add_c_test.
6120 * gensupport.c (init_md_reader_args_cb): Handle multiple input
6121 files on the command line.
6122 (maybe_eval_c_test): Don't check insn_elision_unavailable.
6123 Return -1 if there is no entry in the table, don't abort.
6124 (add_c_test, traverse_c_tests): New functions.
6125 * gensupport.h (insn_elision_unavailable, insn_conditions)
6126 (n_insn_conditions): Delete declarations.
6127 (add_c_test, traverse_c_tests): Declare.
6128 * read-rtl.c: Include gensupport.h.
6129 (read_conditions): New function.
6130 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
6131 (read_rtx_1): If we get EOF when we were looking for an initial
6132 open paren, return 0. Call read_conditions when appropriate.
6133 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
6134 dummy-conditions.o. Eliminate references to insn-conditions.o,
6135 or change them to build/gencondmd.o, as appropriate. Remove
6136 insn-constants.h from $(simple_generated_h) and insn-conditions.c
6137 from $(simple_generated_c). For all files remaining in those
6138 two lists, add insn-conditions.md to the generator command line.
6139 Give insn-constants.h/s-constants their own rules. Add rules
6140 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
6141 (build/read-rtl.o): Depend on gensupport.h.
6142 (genprognormal): Include preds.
6143 (genprogearly): Rename genprognoprint; only difference is now that
6144 they don't link with $(BUILD_PRINT).
6145 * dummy-conditions.c: Delete.
6147 2006-01-22 Zack Weinberg <zackw@panix.com>
6149 * genextract.c: Don't include insn-config.h. Do include vec.h.
6150 Declare vectors of int, char, and locstr.
6151 (locstr): New typedef.
6152 (struct extraction): Make all array fields into bare pointers.
6153 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
6154 (insn_code_number): Delete.
6155 (accum_extract): New struct.
6156 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
6157 (gen_insn): Take insn_code_number as an argument. Use an
6158 accum_extract structure instead of loading data directly into
6159 a struct extraction, and having to know how big it might get.
6160 (walk_rtx): Operate entirely on an accum_extract structure.
6161 (print_path): Avoid unnecessary use of printf.
6162 (print_header): New function, split out of main. Distinguish
6163 more carefully between an unrecognizable insn and an insn that
6164 has the code number of a define_expand.
6165 (main): Pass insn_code_number to gen_insn. Call print_header
6166 only after parsing. Avoid unnecessary use of printf.
6167 * Makefile.in (build/vec.o): New rule.
6168 (build/genextract): Depend on build/vec.o.
6169 (build/genextract.o): Don't depend on insn-config.h.
6171 2006-01-22 Zack Weinberg <zackw@panix.com>
6173 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
6174 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
6175 practical. Eliminate per-generator-program link rules.
6177 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
6180 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6181 with a call expr to ...
6182 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6184 2006-01-23 Richard Guenther <rguenther@suse.de>
6186 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
6187 before make_edge with conditional EDGE_TRUE_VALUE.
6189 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
6190 Jan Hubicka <jh@suse.cz>
6191 Richard Guenther <rguenther@suse.de>
6193 PR rtl-optimization/25654
6194 * cfgexpand.c (aggregate_contains_union_type): New function.
6195 (add_alias_set_conflicts): Call it. Make sure to add conflicts
6196 for structure variables that contain a union type.
6198 2006-01-23 Richard Sandiford <richard@codesourcery.com>
6200 * gengtype.c (new_structure): Return the structure.
6201 (create_option): Add an extra "next" argument.
6202 (create_field): New function.
6203 (adjust_field_rtx_def): Use create_option and create_field.
6204 Remove a now-unnecessary call to find_structure.
6205 (adjust_field_tree_def): Likewise.
6206 (note_yacc_type): Remove an unnecessary call to find_structure.
6207 * gengtype.h (new_structure): Return the structure.
6208 (create_option): Add an extra argument.
6209 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
6210 (option): Adjust calls to create_option.
6212 2006-01-22 David Edelsohn <edelsohn@gnu.org>
6214 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
6216 2006-01-22 Paul Brook <paul@codesourcery.com>
6217 Peter Barada <peter@the-baradas.com>
6219 * config/m68k/m68k.md: Add Coldfire FPU support.
6220 Define FP mode macro and associated attributes.
6221 Use it for float mode patterns.
6222 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
6223 (LIBCALL_VALUE): Use m68k_libcall_value.
6224 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
6225 (m68k_function_value): Ditto.
6226 (emit_move_sequence): Ditto.
6227 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
6228 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
6229 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
6230 (MULTILIB_EXCEPTIONS): Ditto.
6231 * config/m68k/m68k.opt: Add mcfv4e.
6232 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
6233 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
6234 (m68k_output_function_prologue): Save ColdFire FPU registers.
6235 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
6236 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
6237 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
6238 ColdFire FPU registers.
6239 (m68k_libcall_value, m68k_function_value): New functions.
6240 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
6241 (LIBCALL_VALUE): Use m68k_libcall_value.
6242 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
6243 (MASK_COLDFIRE): Add MASK_CFV4E.
6244 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
6245 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
6246 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
6247 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
6248 (GO_IF_LEGITIMATE_ADDRESS): Use it.
6249 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
6250 * doc/invoke.tex: Document -mcfv4e on m68k.
6252 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
6254 * doc/contribute.texi: Change CVS to SVN and update the corresponding
6257 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
6260 * c-opts.c (c_common_handle_option): Don't include
6261 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
6262 * doc/invoke.texi (C++ Dialect Options): Document that
6263 -Wnon-virtual-dtor is no longer included in -Wall.
6265 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
6267 * gcov.c (print_version), gcov-dump.c (print_version),
6268 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
6271 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
6273 * df-scan.c (problem_SCAN): Added NULL reset function.
6274 (df_scan_reset_blocks): Added code to call reset block function
6275 (df_bb_refs_delete) Fixed comment.
6276 (df_insn_refs_delete): Made tolerant of deleting non existent info
6277 for dataflow problems that need to be reset.
6278 * df-core.c (df_set_blocks): Ditto.
6279 * df.h (struct df_problem): Added reset_fun.
6280 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
6281 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
6282 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
6283 functions to clear out all references to def-use or use-def chains.
6285 2006-01-21 Ben Elliston <bje@au.ibm.com>
6287 * varasm.c (assemble_real): Initialise data array.
6289 2006-01-20 Paul Brook <paul@codesourcery.com>
6291 Merge from csl-arm-branch.
6292 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
6293 * config/arm/arm.md (movdi): Force operands[1] to a register
6294 if we have a non-register source.
6295 (*arm_movdi, *movdf_soft_insn): Require that one of the
6296 operands be a register.
6297 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
6298 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
6300 2006-01-20 DJ Delorie <dj@redhat.com>
6302 * varasm.c (initialize_constant_valid_p): Allow pointers
6303 initialized from integer constants of lesser precision.
6304 (output_constant): Allow non-int-sized pointer modes to be
6305 initialized from integer constants.
6307 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
6310 * cppdefault.h (struct default_include): Add multilib flag.
6311 * cppdefault.c (cpp_include_defaults): Set it.
6312 * c.opt (-imultilib): New option.
6313 * c-opts.c (imultilib): New.
6314 (c_common_handle_option): Handle -imultilib.
6315 (c_common_post_options): Likewise.
6316 * c-incpath.c (add_standard_paths, register_include_chains):
6318 * c-incpath.h (register_include_chains): Add extra parameter.
6319 * gcc.c (do_spec_1): Generate -imultilib option.
6320 (The Specs Language): Update %I description.
6321 (process_command): Update copyright notice.
6322 * doc/cppopts.texi (-imultilib): Document.
6323 * doc/invoke.texi (-imultilib): Include in option summary.
6324 (%I): Update specs documentation.
6326 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6328 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
6330 2006-01-20 Richard Sandiford <richard@codesourcery.com>
6332 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6335 2006-01-20 Richard Guenther <rguenther@suse.de>
6336 Steven Bosscher <stevenb.gcc@gmail.com>
6338 PR rtl-optimization/24626
6339 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
6340 EDGE_TRUE_VALUE if in RTL mode.
6343 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
6344 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
6346 2006-01-20 Dirk Mueller <dmueller@suse.com>
6349 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
6350 instead of a special NOP marker.
6351 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
6352 NOP marker handling.
6353 * c-common.h (empty_body_warning): Add forward declaration.
6354 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
6355 Now uses IS_EMPTY_STMT() instead of special NOP markers.
6357 2006-01-20 Paul Brook <paul@codesourcery.com>
6359 * Makefile.in (lang_checks): Keep going if mkdir fails.
6361 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6363 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
6364 be able to clean out basic block when not necessary.
6365 (df_scan_free): Fixed to properly delete information if df is
6366 unused before calling df_finish.
6367 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
6368 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
6370 (df_bb_refs_delete): New function.
6371 (df_refs_delete): Moved per block code to df_bb_refs_delete.
6372 * df-core.c (df_set_blocks): Added code to properly clean out
6373 unused blocks if they are not part of the blocks to consider.
6374 Added additional null check.
6375 (df_compact_blocks): Added basic block parameter to free_bb_fun to
6376 be able to clean out basic block when not necessary
6377 * df.h (df_free_bb_function): Ditto.
6378 (df_bb_refs_delete): New function.
6379 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
6380 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
6381 basic block parameter to be able to clean out basic block when not
6383 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
6384 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
6385 Fixed to properly delete information if df is unused before
6388 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6390 PR rtl-optimization/25799
6391 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
6392 Corrected confluence operator to remove bits from op2 before oring
6393 with op1 rather than removing bits from op1.
6394 (df_ru_transfer_function): Corrected test on wrong bitmap which
6395 caused infinite loop. Both of these problems were introduced in
6396 the dataflow rewrite.
6398 2006-01-19 DJ Delorie <dj@redhat.com>
6400 * reload1.c (find_reload_regs): Note the details of reload
6401 failures in the dump file.
6402 (spill_failure): Likewise.
6404 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
6406 * loop-iv.c: Include df.h and hashtab.h.
6407 (enum iv_grd_result): New enum.
6408 (DF_REF_IV, DF_REF_IV_SET): New macros.
6409 (struct biv_entry): New.
6410 (df, bivs): New global variables.
6411 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
6412 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
6414 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
6415 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
6416 analyzed_for_bivness_p, record_biv): New functions.
6417 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
6418 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
6419 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
6421 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
6423 (iv_number_of_iterations): Use new interface to iv analysis.
6424 * loop-unroll.c: Do not include varray.h.
6425 (analyze_iv_to_split_insn): Use new interface to iv
6427 * loop-unswitch.c (may_unswitch_on): Ditto.
6428 * df.c (df_bitmaps_free): Only work for bbs for that structures are
6430 (df_bb_modify): Realloc tables to the new index.
6431 (df_find_use): New function.
6432 * df.h (df_find_use): Declare.
6433 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
6435 * cfgloop.h (struct rtx_iv): Remove analysed field.
6436 (iv_get_reaching_def): Removed.
6437 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
6438 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
6439 (loop-iv.o): Add df.h and hashtab.h dependency.
6440 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
6442 2006-01-20 Alan Modra <amodra@bigpond.net.au>
6445 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
6447 (__floatundisf, __floatundidf): Likewise.
6448 * libgcc2.h (IS_IBM_EXTENDED): Define.
6450 2006-01-19 DJ Delorie <dj@redhat.com>
6452 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
6454 2006-01-19 Paul Brook <paul@codesourcery.com>
6456 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
6457 as nothrow when unwinding tables are disabled.
6459 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6462 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
6463 of bit-field" when in system header.
6465 2006-01-19 DJ Delorie <dj@redhat.com>
6467 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
6468 the 16 bit shift limit of the m16c.
6470 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
6473 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
6474 * config/i386/i386.c (output_set_got): Output the label if we have one
6475 for the TARGET_DEEP_BRANCH_PREDICTION case.
6477 2006-01-19 Jan Hubicka <jh@suse.cz>
6478 H.J. Lu <hongjiu.lu@intel.com>
6479 Evandro Menezes <evandro.menezes@amd.com>
6481 * invoke.texi (generic): Document
6483 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
6484 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
6485 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
6486 (x86_use_incdec, x86_pad_returns): New variables
6487 (TARGET_CPU_DEFAULT_generic): New constant
6488 (TARGET_CPU_DEFAULT_NAMES): Add generic.
6489 (enum processor_type): Add generic32 and generic64.
6490 * i386.md (cpu attribute): Add generic32/generic64
6491 (movhi splitter): Behave sanely when both partial_reg_dependency and
6492 partial_reg_stall are set.
6493 (K8 splitters): Enable for generic as well.
6494 * predicates.md (incdec_operand): Use TARGET_INCDEC
6495 (aligned_operand): Avoid memory mismatch stalls.
6496 * athlon.md: Enable for generic64, new patterns for 128bit moves.
6497 * ppro.md: Enable for generic32
6498 * i386.c (generic64_cost, generic32_cost): New.
6499 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
6500 (x86_use_leave): Enable for generic64. (x86_use_sahf,
6501 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
6502 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
6503 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
6504 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
6505 x86_partial_reg_dependency, x86_memory_mismatch_stall,
6506 x86_accumulate_outgoing_args, x86_prologue_using_move,
6507 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
6508 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
6510 (x86_use_incdec, x86_pad_returns): New.
6511 (override_options): Add generic32 and generic64, translate "generic"
6512 to generic32/generic64 and "i686" to "generic32", refuse
6513 "generic32"/"generic64" as arch target.
6514 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
6515 (ix86_reorg): Honor PAD_RETURNS.
6517 2006-01-19 Diego Novillo <dnovillo@redhat.com>
6519 * tree-pretty-print.c (dump_generic_node): Handle
6520 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
6521 * cgraph.c (cgraph_expand_queue): Rename from
6522 cgraph_analyze_queue. Update all users.
6523 * cgraphunit.c (cgraph_assemble_pending_functions): Process
6524 cgraph_expand_queue.
6525 (cgraph_expand_all_functions): Likewise.
6526 (cgraph_finalize_pending_functions): Remove. Update callers.
6528 * tree.h (OMP_DIRECTIVE_P): Define.
6529 (OMP_PARALLEL_FN): Define.
6530 (OMP_PARALLEL_DATA_ARG): Define.
6531 (OMP_SECTIONS_SECTIONS): Define.
6532 * tree-pass.h (pass_expand_omp): Declare.
6533 * omp-low.c (struct omp_region): Declare.
6534 (struct omp_context): Remove fields 'parallel_type',
6535 'parallel_start_ix' and 'parallel_start_additional_args'.
6537 (struct omp_for_data): Rename from struct expand_omp_for_data.
6538 (omp_regions): New static variable.
6539 (root_omp_region): New static variable.
6540 (find_omp_clause): Make static.
6541 (is_in_combined_parallel_ctx): Remove.
6542 (is_combined_parallel): New.
6543 (extract_omp_for_data): Move earlier in the file.
6544 (workshare_safe_to_combine_p): New.
6545 (get_ws_args_for): New.
6546 (determine_parallel_type): Move earlier in the file.
6547 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
6549 (omp_copy_decl): Likewise.
6550 (create_omp_child_function): Likewise.
6551 (lookup_omp_region): New.
6552 (dump_omp_region): New.
6553 (debug_omp_region): New.
6554 (debug_all_omp_regions): New.
6555 (new_omp_region): New.
6556 (scan_omp_parallel): If parallel_nesting_level > 1, the
6557 directive is nested within another parallel directive.
6558 Set OMP_PARALLEL_FN.
6559 (scan_omp_for): Do not try to handle combined parallel+for
6561 Remove FIXME comment.
6562 (scan_omp_nested): Remove.
6563 (scan_omp_1): Do not call scan_omp_nested when
6564 parallel_nesting_level is > 1.
6565 Do not change the DECL_CONTEXT of local variables found.
6566 (lookup_decl_in_outer_ctx): New.
6567 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
6568 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
6569 (lower_reduction_clauses): Rename from expand_reduction_clauses.
6570 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
6571 If CTX is nested, lookup VAR in the outer context when
6572 building copy assignment.
6573 (lower_send_clauses): Rename from expand_send_clauses.
6574 If CTX is nested, lookup VAR in the outer context when
6575 building copy assignments.
6576 (lower_send_shared_vars): Rename from expand_send_shared_vars.
6577 If CTX is nested, lookup VAR in the outer context when
6578 building copy assignments.
6579 (expand_parallel_call): Rename from build_parallel_call.
6580 Handle combined parallel+workshare cases.
6581 Re-implement to emit code into the CFG.
6583 (expand_omp_parallel): Re-implement to emit code into the CFG.
6584 Call move_sese_region_to_fn to outline the sub-graph
6585 containing the parallel region.
6586 (expand_omp_for_1): Remove.
6587 (expand_omp_for_generic): Re-implement to emit code into the
6589 (expand_omp_for_static_nochunk): Likewise.
6590 (expand_omp_for_static_chunk): Likewise.
6591 (expand_omp_for): Likewise.
6592 (expand_omp_sections): Likewise.
6593 (remove_exit_barriers): New.
6594 (expand_omp_synch): New.
6596 (build_omp_regions_1): New.
6597 (build_omp_regions): New.
6598 (execute_expand_omp): New.
6599 (gate_expand_omp): New.
6600 (pass_expand_omp): Define.
6601 (lower_omp_sections): Rename from expand_omp_sections.
6602 Set OMP_SECTIONS_SECTIONS.
6603 (lower_omp_single_simple): Rename from expand_omp_single_simple.
6604 (lower_omp_single_copy): Rename from expand_omp_single_copy.
6605 (lower_omp_single): Rename from expand_omp_simple.
6606 (lower_omp_master): Rename from expand_omp_master.
6607 (lower_omp_ordered): Rename from expand_omp_ordered.
6608 (lower_omp_critical): Rename from expand_omp_critical.
6609 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
6610 (lower_omp_for): Re-implement.
6611 (lower_omp_parallel): Re-implement.
6612 (lower_regimplify): Rename from expand_regimplify.
6613 (lower_omp_1): Rename from expand_omp_1.
6614 If there are syntax errors in the program, replace every
6615 OpenMP directive with NOP.
6616 Call lower_omp_* instead of expand_omp_*.
6617 (lower_omp): Rename from expand_omp.
6619 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
6620 * tree-gimple.h (enum omp_parallel_type): Remove.
6621 (gimple_boolify): Declare extern.
6622 (find_omp_clause, determine_parallel_type): Remove.
6624 * gimple-low.c (lower_omp_directive): New.
6625 (lower_stmt): Call it.
6626 (record_vars_into): Move from ...
6627 (record_vars): ... here.
6628 Call record_vars_into with current_function_decl.
6630 * gimplify.c (struct gimplify_ctx): Remove fields
6631 combined_pre_p and combined_ctxp. Update users.
6632 (get_formal_tmp_var): Add documentation.
6633 (gimple_boolify): Make extern.
6634 (gimplify_expr_in_ctx): Remove. Update callers.
6635 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
6636 will always be a BIND_EXPR.
6637 (gimplify_expr): Handle OMP_RETURN_EXPR.
6638 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
6639 (OMP_PARALLEL): Add 3 operands.
6640 (OMP_SECTIONS): Add 1 operand.
6641 (OMP_RETURN_EXPR): Define.
6643 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
6644 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
6645 * tree-iterator.c (alloc_stmt_list): Assert that we are not
6646 creating a circular free list.
6647 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
6649 * tree-flow.h (move_sese_region_to_fn): Declare.
6650 (record_vars_into): Declare.
6651 * tree-cfg.c (make_omp_sections_edges): New.
6652 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
6653 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
6654 OMP_SECTIONS and OMP_SECTION.
6655 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
6656 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
6657 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
6658 (gather_blocks_in_sese_region): New.
6659 (struct move_stmt_d): Declare.
6661 (move_block_to_fn): New.
6662 (move_sese_region_to_fn): New.
6664 * passes.c (init_optimization_passes): Schedule
6665 pass_expand_omp after pass_init_datastructures.
6667 * tree-ssa-operands.c (get_expr_operands): Handle
6668 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
6669 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
6671 2006-01-19 Jeff Law <law@redhat.com>
6673 * tree-vrp.c (extract_range_from_assert): Refine the result range
6674 if the variable referenced by the ASSERT_EXPR has a range and
6675 either the tentative result range or the previous range is a
6678 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6680 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
6682 2006-01-19 Jan Hubicka <jh@suse.cz>
6684 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
6686 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
6688 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
6689 (expand_compound_operation, expand_field_assignment): Fail if the
6690 bit lengths of an extract operation are out of range.
6691 (make_extraction): Compute wanted_inner_mode based on the position
6692 and length of the extraction. Make it extraction_mode for non-constant
6693 positions, and do not modify offset in that case. When generating a
6694 new MEM, use a mode that can hold the extraction while keeping correct
6695 alignment. Remove code that supported MEMs wrapped by USEs.
6696 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
6698 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
6700 * config/s390/s390.md ("Y", "y"): New mode attribute.
6701 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6702 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
6703 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
6704 "*addsi3_imm_cc", "*addsi3_carry1_cc",
6705 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
6706 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
6707 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
6708 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
6709 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
6710 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
6711 "addsi3", "subsi3"): Insn patterns removed.
6712 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
6713 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
6714 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
6715 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
6716 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
6717 "*sub<mode>3_cconly2"): New insn patterns.
6718 ("addsi3", "subsi3"): New expanders.
6720 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
6722 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
6723 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
6724 existing STMT_VINFO_VECTYPE if available.
6725 (vect_mark_relevant): Add special handling for stmts that are
6726 marked as STMT_VINFO_IN_PATTERN_P.
6727 (vect_analyze_loop): Call vect_pattern_recog.
6728 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
6729 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
6731 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
6732 (vect_recog_func_ptr): New function-pointer type.
6733 * tree-vect-patterns.c: New file.
6734 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
6735 (vect_recog_dot_prod_pattern, vect_pattern_recog):
6736 (vect_pattern_recog_1): New functions.
6737 (vect_pattern_recog_funcs): New array of function pointers.
6739 * tree-vectorizer.h (ternary_op): New enum value.
6740 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
6741 declaration. Revised documentation. Removed redundant dump prints.
6742 Removed redundant argument. Added support for reduction patterns.
6743 (vectorizable_reduction): Added support for reduction patterns.
6744 (vect_transform_stmt): Added support for patterns.
6746 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
6747 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
6748 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
6749 (expand_widen_pattern_expr): New function.
6750 (init_optabs): Initialize new optabs udot_prod_optab,
6752 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
6753 (sdot_prod_optab, udot_prod_optab): Define new optabs.
6754 (expand_widen_pattern_expr): New function declaration.
6755 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
6757 * tree-inline.c (estimate_num_insns_1): Added cases for new
6758 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6759 * tree-pretty-print.c (dump_generic_node): Likewise.
6760 (op_prio): Likewise.
6761 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
6762 * tree-ssa-operands.c (get_expr_operands): Added case for
6764 * tree-vect-patterns.c (widened_name_p): New function.
6765 (vect_recog_dot_prod_pattern): Added function implementation.
6766 * tree-vect-transform.c (get_initial_def_for_reduction): Added
6767 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
6768 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
6769 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
6771 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
6772 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
6773 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
6774 (init_optabs): Initialize new optabs widen_ssum_optab,
6776 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
6777 (widen_ssum_optab, widen_usum_optab): Define new optabs.
6778 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
6779 use instead of type of def.
6780 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
6781 function implementation.
6782 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
6783 widen_ssumv8hi): New.
6785 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
6788 2006-01-19 Richard Sandiford <richard@codesourcery.com>
6791 * c-decl.c (add_flexible_array_elts_to_size): New function.
6792 (finish_decl): Use it.
6794 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
6796 * diagnostic.h: Include options.h.
6797 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
6798 dependancies for diagnostic.h.
6799 * Makefile.in (DIAGNOSTIC_H): Add options.h.
6801 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
6803 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
6804 (ssa_ro_call_cache_valid): Ditto.
6805 * tree-ssa-alias.c (sort_tags_by_id): New function.
6806 (init_transitive_clobber_worklist): Ditto.
6807 (add_to_worklist): Ditto.
6808 (mark_aliases_call_clobbered): Ditto.
6809 (compute_tag_properties): Ditto.
6810 (set_initial_properties): Ditto.
6811 (compute_call_clobbered): Ditto.
6812 (compute_may_aliases): Call compute_call_clobbered and grouping.
6813 (compute_flow_sensitive_aliasing): Remove clobbering related code.
6814 (compute_flow_insensitive_aliasing): Grouping now happens in our
6816 (setup_pointers_and_addressables): Remove clobbering related code.
6817 (add_may_alias): Ditto.
6818 (replace_may_alias): Ditto.
6819 (get_nmt_for): Ditto.
6820 (create_global_var):
6821 (is_escape_site): Return an escape_type enumeration.
6822 * tree-flow-inline.h (is_call_clobbered): Global var does not
6823 imply call clobbered.
6824 (mark_call_clobbered): Take a reason for marking this. Remove
6825 marking of globalness, and cache invalidation.
6826 (clear_call_clobbered): Remove cache invalidation code.
6827 * tree-dfa.c (dump_variable): If details is on, dump the reason
6829 * tree-outof-ssa.c (create_temp): Copy escape mask from original
6831 * tree-flow.h (struct ptr_info_def): Add escape mask member.
6832 (struct var_ann_d): Ditto.
6833 (enum escape_type): New.
6834 (mark_call_clobbered): Adjust prototype.
6835 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
6836 are never call clobbered.
6837 Record reasons for escaping.
6838 * tree-ssa-structalias.h (is_escape_site): Update prototype.
6839 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
6840 (ssa_ro_call_cache_valid): Ditto.
6841 (clobbered_v_may_defs): Ditto.
6842 (clobbered_vuses): Ditto.
6843 (ro_call_vuses): Ditto.
6844 (clobber_stats): New.
6845 (init_ssa_operands): Zero out clobber stats.
6846 (fini_ssa_operands): Print out clobber stats.
6847 (get_call_expr_operands): Pass callee fndecl to
6849 (add_call_clobber_ops): Remove use of cache.
6850 Add use of PURE_CONST information.
6851 (add_call_read_ops): Remove use of cache.
6852 Add use of static not_read information.
6854 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
6856 Introduce TLS descriptors for i386 and x86_64.
6857 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
6858 (TARGET_ANY_GNU_TLS): New macro.
6859 (enum tls_dialect): Added TLS_DIALECT_GNU2.
6860 (struct machine_function): Add tls_descriptor_call_expanded_p.
6861 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
6862 (ix86_current_function_calls_tls_descriptor): Likewise.
6863 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
6864 (override_options): Introduce gnu2 tls dialect.
6865 (ix86_frame_pointer_required): Functions containing TLSCALLs are
6867 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
6869 (legitimize_tls_address): Adjust logic for GNU2 TLS.
6870 (ix86_init_machine_status): Initialize new field.
6871 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
6872 (ix86_tls_module_base): New.
6873 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
6874 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
6875 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
6876 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
6877 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
6878 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
6879 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
6880 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
6881 * config/i386/predicates.md (tls_modbase_operand): New.
6882 (tp_or_register_operand): New.
6884 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
6886 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
6887 (look_for_address_of): Ditto.
6888 (ipa_init): Walk the function decls.
6889 (static_execute): Don't set readonly on FUNCTION_DECL's.
6891 2006-01-18 Roger Sayle <roger@eyesopen.com>
6893 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
6894 for shifts where the source and destination registers are different.
6896 2006-01-18 Paul Brook <paul@codesourcery.com>
6898 Merge from csl-arm-branch.
6899 2005-03-14 Julian Brown <julian@codesourcery.com>
6900 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
6901 (aeabi_llsl): Likewise.
6902 (ashrdi3): Likewise.
6903 (aeabi_lasr): Likewise.
6904 (lshrdi3): Likewise.
6905 (aeabi_llsr): Likewise.
6906 2005-03-10 Julian Brown <julian@codesourcery.com>
6907 * config.gcc: Disable shared libgcc for SymbianOS.
6908 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
6910 2006-01-18 DJ Delorie <dj@redhat.com>
6912 * c-pragma.c (handle_pragma_diagnostic): New.
6913 (init_pragma): Register it.
6914 * doc/extend.texi: Document it.
6916 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
6917 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
6918 (diagnostic_context): Add classify_diagnostic[].
6919 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
6920 as errors if they're overridden to DK_WARNING.
6921 (diagnostic_initialize): Initialize classify_diagnostic[].
6922 (diagnostic_set_kind_override): New.
6923 (diagnostic_report_diagnostic): Check for kind changes.
6924 * opts.c (common_handle_option): Take lang_mask. Update callers.
6926 * common.opt (Werror=): New.
6927 * doc/invoke.texi: Document -Werror=*
6929 2006-01-18 Jeff Law <law@redhat.com>
6931 * tree-vrp.c (test_for_singularity): Correct test for new
6932 min limit. Use operand_equal_p rather than pointer equality
6933 for testing if new min/max values are equal.
6935 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
6936 using range information until after propagation and folding.
6938 2006-01-18 Richard Henderson <rth@redhat.com>
6939 Aldy Hernandez <aldyh@redhat.com>
6940 Jakub Jelinek <jakub@redhat.com>
6941 Diego Novillo <dnovillo@redhat.com>
6943 * omp-low.c: New file.
6944 * c-omp.c: New file.
6946 2006-01-18 Richard Henderson <rth@redhat.com>
6947 Jakub Jelinek <jakub@redhat.com>
6948 Diego Novillo <dnovillo@redhat.com>
6950 * doc/invoke.texi: Document -fopenmp.
6951 * tree-dump.h (debug_function): Declare.
6952 * hooks.c (hook_bool_tree_bool_false): New function.
6953 (hook_tree_tree_null): Remove.
6954 (hook_tree_tree_tree_null): New.
6955 * hooks.h: Update to match.
6956 * tree-pretty-print.c (debug_tree_chain): New.
6957 (print_generic_expr): Handle TDF_CHAIN.
6958 (dump_generic_node): Handle BLOCK.
6959 Do not abort with incomplete SWITCH_EXPRs.
6960 Do not dump body of an OpenMP directive if TDF_SLIM is given.
6961 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
6962 print space after directive name.
6963 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
6964 Handle OMP_MASTER and OMP_ORDERED.
6965 Handle printing of OMP_BODY just in one place, goto
6966 dump_omp_body in the rest of OMP_* nodes that have
6968 Don't handle clause nodes here. Update omp statements to
6969 use dump_omp_clauses.
6970 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
6971 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
6972 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
6973 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
6974 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
6975 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
6976 Adjust output for GOMP_PARALLEL.
6977 (dump_omp_clauses): New.
6978 (print_declaration): Dump DECL_VALUE_EXPR.
6979 (op_symbol_1): Split out of op_symbol.
6980 (dumping_stmts): Remove. Update all users.
6981 * cgraph.c (cgraph_analyze_queue): New.
6982 (cgraph_add_new_function): New.
6983 * cgraph.h (cgraph_analyze_queue): Declare.
6984 (cgraph_add_new_function): Declare.
6985 (cgraph_lower_function): Remove.
6986 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
6987 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
6988 and TYPE_P nodes in its default clause.
6989 (empty_body_p): New.
6990 (tree_range_check_failed): New.
6992 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
6993 OMP_CLAUSE_REDUCTION_MERGE,
6994 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
6995 OMP_CLAUSE_PRIVATE_DEBUG,
6996 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
6997 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
6998 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
6999 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
7000 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
7001 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
7002 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
7003 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
7004 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
7005 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
7006 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
7007 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
7008 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
7009 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
7010 (TREE_RANGE_CHECK): New.
7011 (empty_body_p): Declare.
7012 (enum omp_clause_default_kind): New.
7013 (build_string_literal): Declare.
7014 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
7015 (build5_stat, build5): Declare.
7016 * tree-pass.h (TDF_CHAIN): Define.
7017 * tree-pass.h (PROP_gimple_lomp): Define.
7018 (pass_lower_omp): Declare.
7019 * diagnostic.h (debug_tree_chain): Declare.
7020 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
7022 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
7023 * builtins.c (build_string_literal): Make extern.
7024 * gcc.c (include_spec_function): New.
7025 (static_spec_functions): Add it.
7026 (main): Move load of libgomp.spec ...
7027 (LINK_COMMAND_SPEC): ... here.
7028 (link_gomp_spec): New.
7029 (static_specs): Include it.
7030 (LINK_COMMAND_SPEC): Add link_gomp.
7031 (GOMP_SELF_SPECS): New.
7032 (driver_self_specs): Include it.
7033 (switch_matches): Don't mark inline.
7034 (main): Load libgomp.spec.
7035 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
7036 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
7037 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
7038 * tree-gimple.h (enum omp_parallel): Declare.
7039 (determine_parallel_type): Declare.
7040 (omp_firstprivatize_variable): Declare.
7041 (omp_reduction_init): Declare.
7042 (diagnose_omp_structured_block_errors): Declare.
7043 (struct walk_stmt_info): Add want_return_expr.
7044 (struct walk_stmt_info): Add want_bind_expr, want_locations.
7045 (find_omp_clause): Declare.
7046 (insert_field_into_struct): Declare.
7047 (struct walk_stmt_info): Move from tree-nested.c
7048 (walk_stmts): Declare.
7049 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
7051 * cgraphunit.c (cgraph_lower_function): Make static.
7052 (cgraph_finalize_pending_functions): New.
7053 (cgraph_finalize_function): Call it.
7054 (cgraph_finalize_compilation_unit): Likewise.
7055 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
7056 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
7057 (BT_FN_UINT_UINT): New.
7058 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
7059 DEF_FUNCTION_TYPE_VAR_4): Document.
7060 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
7061 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
7062 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
7063 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
7064 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
7065 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
7066 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
7067 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
7068 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
7069 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
7070 into separate files.
7071 (DEF_GOMP_BUILTIN): New.
7072 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
7073 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
7074 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
7075 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
7076 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
7077 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
7078 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
7079 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
7080 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
7081 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
7082 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
7083 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
7084 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
7085 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
7086 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
7087 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
7088 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
7089 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
7090 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
7091 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
7092 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
7093 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
7094 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
7095 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
7096 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
7097 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
7098 * sync-builtins.def: New file, moved from builtins.def.
7099 * omp-builtins.def: New file, moved from builtins.def.
7100 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
7101 * gimple-low.c (lower_function_body): Clear data.
7102 (lower_stmt): Do not handle COMPOUND_EXPR.
7103 Remove call to print_node_brief.
7104 * c-tree.h (c_finish_omp_clauses): New prototype.
7105 (C_DECL_THREADPRIVATE_P): Define.
7106 (lookup_name_no_remap, c_omp_remap_private): Remove
7107 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
7108 (check_for_loop_decls): Update decl.
7109 (lookup_name_no_remap, c_omp_remap_private): Declare.
7110 (build_indirect_ref, build_modify_expr, pushdecl,
7111 pushdecl_top_level): Move to c-common.h.
7112 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
7113 before the switch, but just in the 2 places that need it.
7114 * c-decl.c (diagnose_mismatched_decls): Do not check for
7115 mismatched thread-local attributes when OLDDECL is marked
7116 threadprivate and NEWDECL has no thread-local attributes.
7117 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
7118 (c_gimple_diagnostics_recursively): Rename from
7119 c_warn_unused_result_recursively. Invoke
7120 diagnose_omp_structured_block_errors.
7121 (check_for_loop_decls): Return a singular decl found.
7122 * langhooks.c (lhd_omp_predetermined_sharing): Return
7123 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
7124 (lhd_omp_firstprivatize_type_sizes): New.
7125 (lhd_omp_assignment): New.
7126 (lhd_omp_predetermined_sharing): New.
7127 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
7128 (struct lang_hooks_for_types): Add
7129 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
7130 omp_predetermined_sharing, omp_disregard_value_expr,
7131 omp_private_debug_clause, omp_clause_default_ctor,
7132 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
7133 (c_finish_omp_clauses): New.
7134 (c_finish_bc_stmt): Diagnose break within omp for.
7135 (c_begin_omp_parallel, c_finish_omp_parallel): New.
7136 (build_unary_op): Return error_mark after reporting
7138 (build_modify_expr): Likewise.
7139 * gimplify.c: Include optabs.h and pointer-set.h.
7140 (enum gimplify_omp_var_data): Declare.
7141 (struct gimplify_omp_ctx): Declare.
7142 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
7144 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
7145 (push_gimplify_context, pop_gimplify_context): Allow nesting.
7146 (splay_tree_compare_decl_uid): New.
7147 (new_omp_context): New.
7148 (delete_omp_context): New.
7149 (gimple_add_tmp_var): Call omp_add_variable.
7150 (gimplify_bind_expr): Likewise.
7151 (gimplify_var_or_parm_decl): If omp_notice_variable returned
7152 true, disregard DECL_VALUE_EXPR on the decl if any.
7153 (gimplify_expr_in_ctx): New.
7154 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
7155 omp_add_variable, omp_notice_variable, omp_is_private
7156 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
7157 gimplify_adjust_omp_clauses, gimplify_omp_parallel
7158 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
7159 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
7160 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
7161 gimplify_omp_atomic): New.
7162 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7163 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7164 OMP_CRITICAL and OMP_ATOMIC.
7165 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
7166 * c-pragma.h (enum pragma_kind): Add
7167 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
7168 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
7169 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
7170 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
7171 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
7172 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
7173 PRAGMA_OMP_THREADPRIVATE.
7174 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
7175 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
7176 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
7177 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
7178 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
7179 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
7180 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
7181 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
7182 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
7183 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
7184 * tree-ssa-dce.c (find_control_dependence): Do not assume that
7185 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
7186 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
7188 (struct nesting_info): Add field_map,
7189 suppress_expansion, debug_var_chain.
7190 (create_nesting_tree): Initialize them.
7191 (lookup_field_for_decl): Use field_map.
7192 (get_nonlocal_debug_decl, get_local_debug_decl): New.
7193 (convert_local_omp_clauses): New.
7194 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
7195 (walk_body): Split out of walk_function.
7196 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
7197 (convert_nonlocal_reference): Handle omp statements.
7198 (convert_local_reference): Likewise.
7199 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
7200 (unnest_nesting_tree): New.
7201 (lower_nested_functions): Call it.
7202 (insert_field_into_struct): Make extern.
7203 (struct walk_stmt_info): Move to tree-gimple.h.
7204 (walk_stmts): Make extern.
7205 * omp-builtins.def: New file.
7206 * tree-iterator.c (expr_only): Clarify comment.
7207 * c-common.h (pushdecl_top_level, pushdecl,
7208 build_modify_expr, build_indirect_ref,
7209 c_finish_omp_master, c_finish_omp_critical,
7210 c_finish_omp_ordered, c_finish_omp_barrier,
7211 c_finish_omp_atomic, c_finish_omp_flush,
7212 c_finish_omp_for, c_split_parallel_clauses,
7213 omp_clause_default_kind, c_omp_sharing_predetermined,
7214 c_omp_remap_decl): Declare.
7215 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
7216 (OBJS-common): Add omp-low.o.
7217 (c-omp.o, omp-low.o): Add.
7218 (gimplify.o): Add dependency on $(OPTABS_H).
7219 (GTFILES): Add omp-low.c.
7220 (gt-stringpool.h): Add.
7221 * tree-cfg.c (set_bb_for_stmt): Do not update the
7222 block-to-labels map if we are currently expanding to RTL.
7223 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
7225 Handle IDENTIFIER_NODE.
7226 (tree_verify_flow_info): Do not ICE when emitting error
7227 messages about invalid labels.
7228 (dump_function_to_file): Reset CFUN before emitting the body
7230 (debug_function): New.
7231 * passes.c (init_optimization_passes): Schedule
7233 * langhooks-def.h (lhd_omp_predetermined_sharing,
7234 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
7236 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
7237 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
7238 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
7239 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
7240 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
7241 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
7242 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
7243 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
7244 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
7245 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
7246 (LANG_HOOK_DECLS): Use them.
7248 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
7249 Richard Henderson <rth@redhat.com>
7250 Jakub Jelinek <jakub@redhat.com>
7251 Diego Novillo <dnovillo@redhat.com>
7253 * c-parser.c (pragma_omp_clause): Define.
7254 (c_parser_declaration_or_fndef): Document OpenMP syntax.
7255 (c_parser_compound_statement): Likewise.
7256 (c_parser_statement): Likewise.
7257 (c_parser_pragma): Handle omp pragmas.
7258 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
7259 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
7260 (c_parser_omp_clause_name, check_no_duplicate_clause,
7261 c_parser_omp_variable_list,
7262 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
7263 c_parser_omp_clause_copyprivate,
7264 c_parser_omp_clause_default,
7265 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
7266 c_parser_omp_clause_lastprivate,
7267 c_parser_omp_clause_nowait,
7268 c_parser_omp_clause_num_threads,
7269 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
7270 c_parser_omp_clause_reduction,
7271 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
7272 c_parser_omp_all_clauses, c_parser_omp_structured_block,
7273 c_parser_omp_atomic, c_parser_omp_barrier,
7274 c_parser_omp_critical, c_parser_omp_flush,
7275 c_parser_omp_for_loop, c_parser_omp_for,
7276 c_parser_omp_master, c_parser_omp_ordered,
7277 c_parser_omp_sections_scope, c_parser_omp_sections,
7278 c_parser_omp_parallel, c_parser_omp_single,
7279 c_parser_omp_construct, c_parser_omp_threadprivate): New.
7280 * c-pragma.c (init_pragma): Do omp pragma registration here.
7281 * c.opt (fopenmp): New flag.
7283 2006-01-18 Eric Christopher <echristo@apple.com>
7285 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
7286 * config/darwin.h (GOMP_SELF_SPECS): Define.
7288 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7290 * rtl.h: Remove the prototype for reg_alloc.
7292 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7295 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
7296 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
7297 sjlj and dwarf2 exception handling.
7298 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
7299 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
7300 * pa/pa.c (function_value): Treat complex and vector types as
7302 (function_arg): Likewise. Only pass scalar floats in the floating
7303 point argument registers.
7304 * pa/t-slibgcc-dwarf-ver: New file.
7305 * pa/t-slibgcc-sjlj-ver: New file.
7306 * pa/t-slibgcc-elf-ver: Delete file.
7308 2006-01-19 Alan Modra <amodra@bigpond.net.au>
7310 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
7311 unlikely_test_section_p test.
7313 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7315 * mode-switching.c (optimize_mode_switching): Make it static.
7316 * basic-block.h: Remove the prototype for
7317 optimize_mode_switching.
7319 * modulo-sched.c (sms_schedule): Make it static.
7320 * rtl.h: Remove the prototype for sms_schedule.
7322 * postreload-gcse.c (gcse_after_reload_main): Make it static.
7323 * rtl.h: Remove the prototype for gcse_after_reload_main.
7325 * reg-stack.c (reg_to_stack): Make it static.
7326 * rtl.h: Remove the prototype for reg_to_stack.
7328 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
7330 * rtl.h: Remove the prototypes for regrename_optimize and
7331 copyprop_hardreg_forward.
7333 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
7335 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
7336 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
7337 Test against the appropriate null constant for the mode.
7338 If 'fixup_overlap' is true, swap the operands if they overlap.
7339 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
7340 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
7341 alpha_split_tmode_pair and adjust for above change.
7342 * config/alpha/alpha.md (movtf_internal): Adjust call to
7343 alpha_split_tfmode_pair and rely on it to swap the operands.
7344 (movti_internal): New insn and post-reload splitter.
7345 (movti): New expander.
7347 2006-01-18 Philippe De Muyter <phdm@macqel.be>
7349 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
7352 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
7354 * rtlanal.c (global_reg_mentioned_p_1,
7355 global_reg_mentioned_p): Remove.
7356 * rtl.h: Remove the prototype for global_reg_mentioned_p.
7358 * flow.c (initialize_uninitialized_subregs): Make it static.
7359 * rtl.h: Remove the prototype for
7360 initialize_uninitialized_subregs.
7362 * function.c (instantiate_virtual_regs): Make it static.
7363 * function.h: Remove the prototype for
7364 instantiate_virtual_regs.
7366 * regmove.c (regmove_optimize, combine_stack_adjustments):
7368 * rtl.h: Remove the prototypes for regmove_optimize and
7369 combine_stack_adjustments.
7371 2006-01-17 Roger Sayle <roger@eyesopen.com>
7373 * config/i386/i386.c (COSTS_N_BYTES): New macro.
7374 (size_cost): Encode costs in bytes so that a reg-reg addition is
7375 equivalent to COSTS_N_INSNS(1).
7376 (override_options): Use the size_cost.branch_cost as the default
7377 ix86_branch_cost when optimizing for size.
7379 2006-01-18 Ben Elliston <bje@au.ibm.com>
7381 * Makefile.in (D32PBIT_FUNCS): New.
7382 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
7383 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
7384 D64PBIT_FUNCS and D128PBIT_FUNCS.
7385 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
7386 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
7388 (decnumber_dep): Define.
7389 * doc/libgcc.texi (Decimal float library routines): New node.
7390 * config/dfp-bit.h, config/dfp-bit.c: New files.
7392 2006-01-18 Ben Elliston <bje@au.ibm.com>
7394 * expr.c (emit_move_change_mode): Always adjust addresses, not
7395 just during reload. Copy replacements only during reload.
7396 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
7397 emit_move_via_integer.
7399 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
7401 * Makefile.in (check-%, check-consistency): Use $${srcdir}
7402 instead of $(srcdir) and ${srcdir}.
7404 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
7408 * arm.h (struct machine_function): Add pic_reg.
7409 * arm.c (arm_pic_register): Make unsigned.
7410 (arm_override_options): Only set arm_pic_register if
7411 TARGET_SINGLE_PIC_BASE.
7412 (use_return_insn): Only test for a pic register if it is fixed.
7413 (arm_compute_save_reg0_reg12_mask): Likewise.
7414 (thumb_compute_save_reg_mask): Likewise.
7415 (legitimate_pic_operand): Factor out some known invariants.
7416 (legitimize_pic_address): If we don't have a fixed pic register,
7417 then set up a pseudo in the function entry sequence. Handle the
7418 pic base being in a pseudo.
7419 (arm_load_pic_register): Handle the pic register being in a pseudo.
7420 (arm_expand_prologue): Only set up the pic register if it is fixed.
7421 (thumb_expand_prologue): Likewise.
7422 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
7423 (pic_load_addr_based_insn): Likewise.
7424 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
7427 2006-01-18 Ben Elliston <bje@au.ibm.com>
7429 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
7430 decimal float modes for all floating point registers.
7432 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
7433 match_code "mem" with match_test "macho_lo_sum_memory_operand".
7435 2006-01-17 Jakub Jelinek <jakub@redhat.com>
7438 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
7439 even when the pointer is not NULL.
7441 2006-01-16 Ian Lance Taylor <ian@airs.com>
7443 * common.opt (ftoplevel-reorder): New option.
7444 * cgraph.c (cgraph_asm_nodes): New global variable.
7445 (cgraph_asm_last_node): New static variable.
7446 (cgraph_order): New global variable.
7447 (cgraph_create_node): Set new order field.
7448 (cgraph_varpool_node): Likewise.
7449 (decide_is_variable_needed): Return true if not
7450 flag_toplevel_reorder.
7451 (cgraph_add_asm_node): New function.
7452 * cgraph.h (struct cgraph_node): Add order field.
7453 (struct cgraph_varpool_node): Add order field.
7454 (struct cgraph_asm_node): Define.
7455 (cgraph_asm_nodes, cgraph_order): Declare.
7456 (cgraph_add_asm_node): Declare.
7457 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
7459 (cgraph_varpool_assemble_pending_decls): Call it.
7460 (cgraph_output_pending_asms): New static function.
7461 (cgraph_finalize_compilation_unit): Call it.
7462 (struct cgraph_order_sort): Define.
7463 (cgraph_output_in_order): New static function.
7464 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
7465 !flag_toplevel_reorder case.
7466 * c-parser.c: Include "cgraph.h".
7467 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
7469 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
7470 than -fno-unit-at-a-time.
7471 * doc/invoke.texi (Option Summary): Mention
7472 -fno-toplevel-reorder.
7473 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
7474 -funit-at-a-time documentation.
7476 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
7477 Kazu Hirata <kazu@codesourcery.com>
7479 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
7481 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
7483 * Makefile.in (FUNCTION_H): New. Use it instead of
7484 function.h throughout the file.
7485 * function.h: Include tree.h.
7487 2006-01-17 Ben Elliston <bje@au.ibm.com>
7489 * recog.c: Separate some functions with whitespace.
7491 2006-01-16 Richard Henderson <rth@redhat.com>
7493 Merge from gomp branch:
7494 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
7495 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
7496 and rename from struct inline_data. Rename callee* to dst*;
7497 caller* to src*; add copy_decl hook, transform_call_graph_edges,
7498 transform_new_cfg, transform_return_to_modify, and
7499 transform_lang_insert_block flags; remove cloning_p, versioning_p,
7501 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
7502 (copy_decl_for_dup): Remove.
7503 * tree-inline.c (struct inline_data): Move to header.
7504 (insert_decl_map): Export.
7505 (remap_decl): Update for member name changes. Use copy_decl hook.
7506 Allow for replacement to be a non-decl. Remove dead code.
7507 (remap_type_1): Check for existing mapping.
7508 (remap_type): Export.
7509 (remap_decls): Update for member name changes.
7510 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
7511 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
7512 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
7513 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
7514 (tree_function_versioning, build_duplicate_type): Likewise.
7515 (copy_body_r): Likewise. Export.
7516 (copy_decl_for_dup): Split into ...
7517 (copy_decl_for_dup_finish, copy_decl_to_var,
7518 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
7519 (replace_ref_tree, inlining_p): Remove.
7521 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7523 * ifcvt.c (if_convert): Make it static.
7524 * rtl.h: Remove the prototype for if_convert.
7526 * local-alloc.c (local_alloc): Make it static.
7527 * rtl.h: Remove the prototype for local_alloc.
7529 * loop.c (loop_optimize): Make it static.
7530 * cfgloop.h: Remove the prototype for loop_optimize.
7533 2006-01-16 DJ Delorie <dj@redhat.com>
7535 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
7538 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7540 * pa.md: Disparage copies between general and floating-point registers
7541 in 32-bit move patterns.
7543 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
7546 * Makefile.in (check-%): Depend on site.exp instead of
7547 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
7550 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7552 * global.c (global_alloc): Make it static.
7553 * rtl.h: Remove the prototype for global_alloc.
7555 2006-01-16 Richard Guenther <rguenther@suse.de>
7557 * tree-ssa-alias.c (struct used_part): Add write_only field.
7558 (get_or_create_used_part_for): Initialize it to true.
7559 (create_overlap_variables_for): Don't create structure variables
7560 for structures that only are written to.
7561 (find_used_portions): Handle MODIFY_EXPR to track whether a
7562 structure is only written to.
7564 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7566 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
7568 * basic-block.h: Remove the prototype for
7569 partition_hot_cold_basic_blocks.
7571 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
7573 * cppspec.c (lang_specific_spec_functions): Remove.
7574 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
7575 * gcc.h (lang_specific_spec_functions): Remove.
7576 * gccspec.c (lang_specific_spec_functions): Remove.
7578 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
7580 * combine.c (record_value_for_reg): Invalidate registers
7582 (record_dead_and_set_regs_1): Likewise, by passing them to
7583 record_value_for_reg.
7584 (record_dead_and_set_regs): Invalidate stores made by a
7585 call. We do not combine across a call, but we still
7586 relied on equivalences.
7588 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7590 * tree-vrp.c (extract_range_from_binary_expr): Cope with
7591 vrp_int_const_binop returning non-constant nodes.
7593 2006-01-16 Paul Brook <paul@codesourcery.com>
7595 * config/m68k/m68k.c (output_move_const_into_data_reg):
7596 Output correct mnemonic for mvz and mvs.
7598 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
7600 * rtl-factoring.c: Add sequence abstraction algorithm.
7601 * cfgcleanup.c (outgoing_edges_match): Extra checks.
7602 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
7604 (block_has_preserve_label): New function.
7605 * common.opt: Register new pass.
7606 * Makefile.in: Ditto.
7608 * timevar.def: Ditto.
7609 * tree-pass.h: Ditto.
7610 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
7611 * rtl.h (make_jump_insn_raw): Add forward decl.
7612 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
7614 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
7615 Roger Sayle <roger@eyesopen.com>
7617 * fold-const.c (fold_minmax): New static function.
7618 (fold_binary) <MIN_EXPR>: Call it.
7619 <MAX_EXPR>: Likewise.
7620 * stor-layout.c (place_field): Use DECL_SIZE consistently
7621 in the computation of the new record size.
7623 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
7625 * cse.c (cse_condition_code_reg): Make it static.
7626 * rtl.h: Remove the prototype for cse_condition_code_reg.
7628 * combine.c (combine_instructions): Make it static.
7629 * rtl.h: Remove the prototype for combine_instructions.
7631 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7634 * tree.c (get_file_function_name_long): Concatenate the first global
7635 object name with a string derived from the input filename of the object
7638 2006-01-16 Ben Elliston <bje@au.ibm.com>
7640 * config/i386/winnt-stubs.c: Update FSF address.
7641 * config/xtensa/ieee754-df.S: Ditto.
7642 * config/xtensa/ieee754-sf.S: Ditto.
7644 2006-01-14 Ian Lance Taylor <ian@airs.com>
7646 * ifcvt.c (noce_init_if_info): New static function, broken out of
7647 noce_process_if_block.
7648 (noce_process_if_block): Call noce_init_if_info.
7649 (check_cond_move_block): New static function.
7650 (cond_move_process_if_block): New static function.
7651 (process_if_block): Call cond_move_process_if_block.
7653 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
7655 * cselib.c (hash_table): Rename to cselib_hash_table.
7656 (cselib_clear_table, discard_useless_values,
7657 remove_useless_values, cselib_lookup_mem, cselib_lookup,
7658 cselib_init, cselib_finish): Adjust uses of hash_table.
7660 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
7662 PR tree-optimization/25485
7663 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
7664 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
7665 is known to be false and true, respectively.
7667 2006-01-14 Richard Guenther <rguenther@suse.de>
7669 PR tree-optimization/22548
7670 PR tree-optimization/22555
7671 PR tree-optimization/22501
7672 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
7673 * params.def (salias-max-array-elements): New parameter.
7674 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
7675 * doc/invoke.texi (salias-max-array-elements): Document.
7676 * tree-flow-inline.h (var_can_have_subvars): We also handle
7678 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
7680 * tree-ssa-structalias.c (params.h): Include.
7681 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
7682 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
7683 (get_constraint_for): For ADDR_EXPR operating on something
7684 containing an ARRAY_REF, add all subvars to the solution.
7685 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
7686 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
7687 for creating MUST_DEFs.
7688 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
7690 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
7692 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
7694 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
7695 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7696 number_of_iterations_le): New functions.
7697 (number_of_iterations_special): Removed.
7698 (number_of_iterations_exit): Do not use number_of_iterations_special.
7699 * tree.c (unsigned_type_for): Always return integer type.
7701 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
7702 Richard Guenther <rguenther@suse.de>
7704 PR rtl-optimization/24257
7705 * gcse.c (find_moveable_store): Only consider a store movable
7706 when the SET_SRC of the insn can be assigned to a register.
7708 2006-01-14 Ian Lance Taylor <ian@airs.com>
7710 * tree.c (tree_not_class_check_failed): New function.
7711 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
7712 (tree_not_class_check_failed): Declare.
7714 2006-01-13 Ian Lance Taylor <ian@airs.com>
7716 * reload1.c (do_output_reload): Add assertion rejecting a
7719 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
7721 * combine.c (struct reg_stat): Add new fields truncation_label and
7723 (record_value_for_reg): Reset truncated_to_mode.
7724 (record_truncated_value): New function.
7725 (check_promoted_subreg): Call it. Rename to check_conversions.
7726 (combine_instructions): Rename check_promoted_subreg to
7728 (reg_truncated_to_mode): New function.
7729 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
7730 (gen_lowpart_or_truncate): New function.
7731 (force_to_mode): Use it instead of gen_lowpart.
7733 2006-01-13 Diego Novillo <dnovillo@redhat.com>
7735 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
7736 VAR is a tag, not its type tag.
7738 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
7740 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
7741 alternatives to match style of other entries.
7742 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
7744 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
7746 PR tree-optimization/25771
7747 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
7750 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
7753 * tree-inline.c (declare_return_variable): If the return variable
7754 was marked as a non gimple complex, set the return slot variable
7755 to be a non gimple comple variable.
7757 2006-01-13 Richard Guenther <rguenther@suse.de>
7759 * builtins.c (expand_builtin_sincos): New function.
7760 (expand_builtin_mathfn_3): Remove dead code, sin and cos
7762 (expand_builtin): Expand sincos using expand_builtin_sincos.
7764 2006-01-12 DJ Delorie <dj@redhat.com>
7766 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
7767 shift counts, separate SI shifts for m32c vs m16c, pass shift type
7768 so that constant shifts can be split.
7769 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
7770 (m32c_valid_pointer_mode): Make static.
7771 (shift_gen_func_for): New.
7772 (m32c_prepare_shift): Use it. Split large const shifts into
7774 * config/m32c/predicates.md (shiftcount_operand): Allow more
7776 (longshiftcount_operand): New.
7777 * doc/md.texi (Machine Constraints): Document In6.
7779 2006-01-13 Ben Elliston <bje@au.ibm.com>
7781 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
7782 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
7785 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
7787 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
7788 to try to avoid clobbering pieces of structures when we know
7789 something about the whole structure.
7790 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
7792 2006-01-13 Ben Elliston <bje@au.ibm.com>
7794 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
7795 return in memory, as this is no limitation is no longer present.
7797 2006-01-12 DJ Delorie <dj@redhat.com>
7799 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
7800 mova with fb, and for fb+0 -> An.
7802 * config/m32c/mov.md (peephole2): Fix enabling logic.
7804 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
7805 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
7806 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
7807 FINI_ARRAY_SECTION_ASM_OP): Define.
7809 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
7811 (m32c_legitimize_reload_address): New logic to reload FB to An.
7812 (m32c_output_reg_push): Add newline.
7813 (m32c_output_reg_pop): Likewise.
7815 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
7817 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
7819 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
7821 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7823 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7825 * config/sh/predicates.md (sh_rep_vec): Add parallel to
7828 2006-01-11 Ben Elliston <bje@au.ibm.com>
7830 * rtlanal.c (find_reg_note): Assert insn is not null.
7832 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7834 * df-scan.c (df_hard_reg_init): Move declaration of i outside
7837 2006-01-11 Jeff Law <law@redhat.com>
7839 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
7841 (mark_threaded_blocks, register_jump_thread): New functions.
7842 (thread_through_all_blocks): Remove unwanted argument. No
7843 longer rely on e->aux to communicate thread target info.
7844 Call mark_threaded_blocks. Release the threaded_blocks
7845 bitmap and threaded_edges vector when complete.
7846 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
7847 (threaded_blocks): Remove.
7848 (tree_ssa_dominator_optimize): Remove initialization and
7849 finalization of threaded_blocks. Simplify call to
7850 thread_through_all_blocks.
7851 (thread_across_edge): Call register_jump_thread rather than
7852 storing thread information into e->aux.
7853 (free_all_edge_infos): Simplify now that e->aux is no longer
7854 used to communicate with thread_through_all_blocks.
7855 * tree-flow.h (thread_through_all_blocks): Update prototype.
7856 (register_jump_thread): Prototype.
7858 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7860 * df-core.c (df_compact_blocks, df_bb_replace): Use
7861 SET_BASIC_BLOCK instead of BASIC_BLOCK.
7863 2006-01-11 Richard Guenther <rguenther@suse.de>
7865 PR tree-optimization/25734
7866 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
7867 stop propagation after successful propagation to the LHS.
7869 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
7871 * basic-block.h (control_flow_graph): Change the type of
7872 x_basic_block_info to VEC(basic_block,gc) *.
7873 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
7875 (SET_BASIC_BLOCK): New.
7876 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
7877 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
7878 * cfgbuild.c (find_basic_blocks): Likewise.
7879 * cfglayout.c (fixup_reorder_chain): Likewise.
7880 * cfgrtl.c (create_basic_block_structure,
7881 rtl_create_basic_block): Likewise.
7882 * ifcvt.c (find_if_case_1): Likewise.
7883 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
7886 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
7888 * Makefile.in: Removed rotted odf.c entry.
7890 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
7893 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
7894 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
7895 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
7896 output pattern modifier, not %e.
7897 * config/cris/cris.c (cris_op_str): Update comment about pattern
7899 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
7900 before falling through into...
7901 <case 'E'>: Redefined from old 'e' case.
7903 2006-01-11 Jan Hubicka <jh@suse.cz>
7906 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
7908 2006-01-11 Jan Hubicka <jh@suse.cz>
7910 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
7911 * i386.c (x86_decompose_lea): Kill.
7912 (ix86_rtx_costs): Kill.
7914 2006-01-11 Jan Hubicka <jh@suse.cz>
7916 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
7917 * cgraph.h (cgraph_node): Add inline_decl.
7918 (cgraph_insert_node_to_hashtable): Declare.
7919 (save_inline_function_body): Declare.
7920 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
7922 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
7923 (cgraph_function_versioning): Update call of tree_function_versioning.
7924 (save_inline_function_body): New function.
7925 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
7926 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
7927 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
7928 (cgraph_default_inline_p): Likewise.
7929 (cgraph_decide_inlining_incrementally): Likewise.
7930 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
7931 (copy_bb): Kill saving; do updating of clones.
7932 (copy_cfg_body): Kill saving.
7933 (initialize_inlined-parameters): Likewise.
7934 (expand_call_inline): Likewise.
7936 (tree_function_versioning): New parameter "update_clones".
7937 (inlining_p): Kill saving.
7938 * tree-inline.h (tree_function_versioning): Update prototype.
7939 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
7942 2006-01-11 Ian Lance Taylor <ian@airs.com>
7944 * combine.c (struct undo): Remove is_int. Enumify types of undos.
7945 Allow undoing set of machine mode.
7946 (do_SUBST): Use enums instead of is_int.
7947 (do_SUBST_MODE): New function.
7948 (SUBST_MODE): New macro.
7949 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
7950 reg and trying to replace reg_regno_rtx with a new register.
7951 (undo_all): Use new enums, handle undoing a PUT_MODE change.
7952 (simplify_set): Use SUBST_MODE.
7953 (distribute_notes): Remove code that tried to update reg notes
7954 for regno_reg_rtx changes.
7956 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
7958 PR tree-optimization/23109
7959 PR tree-optimization/23948
7960 PR tree-optimization/24123
7962 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
7963 * tree-cfg.c (single_noncomplex_succ): New.
7964 * tree-flow.h (single_noncomplex_succ): Declare it.
7965 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7966 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
7967 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
7968 insert_bb, register_division_in, insert_reciprocals,
7969 replace_reciprocal, free_bb): New.
7970 (execute_cse_reciprocals_1): Rewritten.
7971 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
7972 Do not commit any edge insertion. Always compute dominators and
7973 create the allocation pool.
7974 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
7975 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
7976 * targhooks.c (default_min_divistions_for_recip_mul): New.
7977 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
7978 * passes.c (init_optimization_passes): Run recip after tree loop
7980 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
7982 2006-01-11 Danny Berlin <dberlin@dberlin.org>
7983 Kenneth Zadeck <zadeck@naturalbridge.com>
7985 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
7986 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
7987 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
7988 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
7989 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
7990 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
7991 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
7992 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
7993 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
7994 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
7995 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
7996 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
7997 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
7998 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
7999 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
8000 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
8001 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
8002 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
8003 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
8004 DF_SCAN_POST_ALLOC): New macros.
8005 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
8006 df_free_bb_function, df_local_compute_function, df_init_function,
8007 df_dataflow_function, df_confluence_function_0,
8008 df_confluence_function_n, df_transfer_function,
8009 df_finalizer_function, df_free_function, df_dump_problem_function,
8010 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
8011 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
8012 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
8013 df_urec_bb_info, ) New types.
8014 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
8016 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
8017 df_analyze_simple_change_some_blocks,
8018 df_analyze_simple_change_one_block, df_compact_blocks,
8019 df_bb_replace, df_bb_regno_last_use_find,
8020 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
8021 df_insn_regno_def_p, df_find_def, df_find_use,
8022 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
8023 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
8024 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
8025 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
8026 debug_df_chain, df_get_dependent_problem, df_chain_create,
8027 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
8028 df_grow_bb_info, df_chain_dump, df_print_bb_index,
8029 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
8030 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
8031 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
8032 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
8033 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
8034 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
8035 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
8036 df_ref_remove, df_insn_refs_delete, df_refs_delete,
8037 df_reorganize_refs, df_set_state, df_hard_reg_init,
8038 df_read_modify_subreg_p) New public functions.
8039 * df-core.c: The core dataflow solver and glue routines for rtl
8041 (df_init, df_add_problem, df_set_blocks, df_finish,
8042 df_hybrid_search_forward, df_hybrid_search_backward,
8043 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
8044 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
8045 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
8046 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
8047 df_reg_defined, df_find_use, df_reg_used, df_dump,
8048 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
8049 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
8050 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
8051 debug_df_useno, reset_df_after_reload): New functions.
8052 * df-scan.c: The scanning fuctions, once in df.c, completely
8053 rewritten so that they now fully model the functionality of
8054 register usage at the backend.
8055 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
8056 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
8057 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
8058 df_grow_insn_info, df_rescan_blocks, df_ref_create,
8059 df_get_artificial_defs, df_get_artificial_uses,
8060 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
8061 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
8062 df_refs_delete, df_reorganize_refs, df_set_state,
8063 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
8064 df_def_record_1, df_defs_record, df_uses_record,
8065 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
8066 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
8067 df_record_exit_block_uses, df_hard_reg_init): New functions.
8069 * df-problems.c: Seven concrete dataflow problems that use the
8070 scanning in df-scan.c and are solved by the engine in df-core.c.
8071 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
8072 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
8073 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
8074 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
8075 df_ru_free_bb_info, df_ru_alloc,
8076 df_ru_bb_local_compute_process_def,
8077 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
8078 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
8079 df_ru_transfer_function, df_ru_free, df_ru_dump,
8080 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
8081 df_rd_free_bb_info, df_rd_alloc,
8082 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
8083 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
8084 df_rd_transfer_function, df_rd_free, df_rd_dump,
8085 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
8086 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
8087 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
8088 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
8089 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
8090 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
8091 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
8092 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
8093 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
8094 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
8095 df_urec_mark_reg_change, df_urec_check_earlyclobber,
8096 df_urec_mark_reg_use_for_earlyclobber,
8097 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
8098 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
8099 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
8100 df_urec_dump, df_urec_add_problem, df_chain_alloc,
8101 df_chain_create_bb_process_use, df_chain_create_bb,
8102 df_chain_finalize, df_chain_free, df_chains_dump,
8103 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
8104 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
8105 df_reg_lifetime): New functions.
8106 * df.c: Deleted file.
8107 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
8108 consistent with new df api.
8109 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
8110 rest_of_handle_sms): Ditto.
8111 * web.c (unionfind_union, union_defs, entry_register, web_main):
8113 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
8114 invariant_expr_equal_p, find_defs, check_dependencies,
8115 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
8116 free_inv_motion_data, move_loop_invariants): Ditto.
8117 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
8118 Update dependencies.
8119 (odf.c): Added defective entry that was deleted later in day.
8120 * sched-deps.c (sched_analyze_1): Ditto.
8122 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
8124 * tree-ssa-operands.c (get_expr_operands): Record addressable
8125 variables directly. Do not call add_stmt_operands for CONST_DECLs
8127 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
8128 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
8130 2006-01-11 Ben Elliston <bje@au.ibm.com>
8132 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
8133 function returns true in the positive case.
8135 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8138 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
8139 for SI, DI, SF and DF modes. Add alternatives to copy between
8140 general and floating point registers to the 32-bit patterns.
8141 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
8142 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
8143 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
8144 generating 64-bit code.
8145 * config/pa/pa.c (output_move_double): Handle copies between general
8146 and floating registers.
8148 2006-01-10 Stuart Hastings <stuart@apple.com>
8150 * config/i386/i386.md (set_got): Update.
8151 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
8152 (builtin_setjmp_receiver): Mach-O support.
8153 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
8154 (GOT_SYMBOL_NAME): Define.
8155 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
8156 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
8157 * config/i386/i386.c (override_options): Revise for Darwin.
8158 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
8159 support. (darwin_x86_file_end): New. (output_set_got): Add label
8160 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
8161 * config/i386/i386-protos.h (output_set_got): Likewise.
8162 * config/darwin.c (machopic_legitimize_pic_address): Update
8165 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
8167 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
8168 when MODE isn't BLKmode.
8170 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8172 PR rtl-optimization/25367
8173 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
8175 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
8178 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
8179 for a negative bound.
8181 2006-01-10 Richard Guenther <rguenther@suse.de>
8183 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8184 Never override with anything constraint.
8186 2006-01-10 Jan Beulich <jbeulich@novell.com>
8188 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
8189 256 bits when optimize_size.
8191 2006-01-10 Jan Beulich <jbeulich@novell.com>
8193 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
8195 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
8196 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
8199 2006-01-10 Ben Elliston <bje@au.ibm.com>
8201 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
8203 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
8204 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
8205 (USE_FP_FOR_ARG): Reject decimal float modes.
8206 (function_arg_advance): Likewise.
8207 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
8208 (rs6000_handle_altivec_attribute): Do not permit decimal floating
8209 point types in AltiVec vectors.
8210 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
8211 (rs6000_libcall_value): Likewise.
8213 2006-01-09 Bob Wilson <bob.wilson@acm.org>
8215 * config/xtensa/ieee754-df.S: New file.
8216 * config/xtensa/ieee754-sf.S: New file.
8217 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
8218 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
8219 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
8221 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
8223 * config/sh/predicates.md (binary_float_operator,
8224 binary_logical_operator, commutative_float_operator,
8225 equality_comparison_operator, greater_comparison_operator,
8226 less_comparison_operator, logical_operator,
8227 noncommutative_float_operator, shift_operator,
8228 symbol_ref_operand, unary_float_operator): Remove redundant
8231 2006-01-09 Jeff Law <law@redhat.com>
8233 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
8234 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
8235 now unused arguments. Callers updated.
8236 (eliminate_redundant_computations): Remove now unused arguments,
8238 (local_fold): Remove, no longer used.
8239 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
8241 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
8242 (simplify_cond): New function.
8243 (forward_propagate_into_cond): Call simplify_cond.
8245 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
8247 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
8248 (*vec_extractv2di_1_sse): New.
8250 2006-01-09 Ben Elliston <bje@au.ibm.com>
8252 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
8254 2006-01-08 Richard Guenther <rguenther@suse.de>
8256 * tree-ssa-structalias.c (get_constraint_for): Remove
8258 (get_constraint_for_component_ref): Likewise.
8259 (do_deref): Likewise.
8260 (get_constraint_for): Likewise.
8261 (do_structure_copy): Likewise.
8262 (handle_ptr_arith): Likewise.
8263 (find_func_aliases): Likewise. Remove unused need_anyoffset
8266 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
8267 Kaz Kojima <kkojima@gcc.gnu.org>
8269 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
8270 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
8271 (EXTRA_CONSTRAINT_C16): Remove.
8272 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
8273 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
8274 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
8275 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
8276 constants of SHmedia. Handle nested constant expressions of
8278 (andcosts): Fix the costs for SHmedia constants.
8279 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
8280 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
8281 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
8282 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
8283 (movv4hi_i, movv2si_i): Likewise.
8284 (movsi_const): Adjust the second operand of ior so to match with
8286 (movdi_const, movdi_const_32bit): Likewise.
8287 (movdi_const_16bit+1): Don't sign-extend LOW.
8288 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
8290 (*double_shori): Fix the split condition. Use GEN_INT instead
8291 of get_int_mode calls. Mask lower 16-bit of the argument of
8293 (sym2GOTPLT): Remove.
8294 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
8296 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
8297 instead of EXTRA_CONSTRAINT_C16.
8299 2006-01-07 Ian Lance Taylor <ian@airs.com>
8300 David Edelsohn <edelsohn@gnu.org>
8302 PR rtl-optimization/25662
8303 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
8304 for constant operands instead of simplify_gen_binary.
8305 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
8306 after trying simplify_binary_operation
8308 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
8310 * tree.c (iterative_hash_expr): Hash decls based on UID.
8312 2006-01-06 Eric Christopher <echristo@apple.com>
8314 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
8315 (TARGET_UNWIND_EMIT): Fix spelling.
8316 * target.h (gcc_target): Add except_table_label.
8317 * except.c (output_function_exception_table): Use.
8318 * varasm.c (default_emit_except_table_label): New.
8319 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
8321 (asm_out): Add here.
8322 * output.h (default_emit_except_table_label): Prototype.
8323 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
8324 * config/darwin.c (darwin_emit_except_table_label): Define.
8325 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
8327 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
8329 PR tree-optimization/18527
8330 * tree-ssa-loop-niter.c (number_of_iterations_cond,
8331 number_of_iterations_special, number_of_iterations_exit):
8332 Move base and step of an iv to a single structure. Add
8333 no_overflow flag, and use it in # of iterations analysis.
8334 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
8335 folded_casts argument.
8336 (simple_iv): Pass base and step in a structure. Set no_overflow
8338 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
8339 Evaluate expensiveness of computing # of iterations instead of
8340 the final expression.
8341 * tree-scalar-evolution.h (affine_iv): New structure.
8342 (simple_iv): Declaration changed.
8343 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
8344 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
8345 find_givs_in_stmt): Changed due to simple_iv change.
8347 2006-01-06 Jeff Law <law@redhat.com>
8350 * tree-cfg.c (bsi_replace): Rename final argument from
8351 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
8352 change (stmt -> orig_stmt).
8353 * tree-eh.c (verify_eh_throw_stmt_node): New function.
8354 (bsi_remove): Add new argument. Remove EH information
8356 (verify_eh_throw_table_statements): New function.
8357 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
8359 * tree-optimize.c (execute_free_cfg_annotations): Verify
8360 the EH throw statement table after removing annotations.
8361 * except.h (verify_eh_throw_table_statements): Prototype.
8362 * tree-flow.h (bsi_remove): Update prototype.
8363 * tree-vrp.c (remove_range_assertions): Add new argument to
8365 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
8366 * tree-complex.c (expand_complex_div_wide): Likewise.
8367 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
8368 * tree-tailcall.c (eliminate_tailcall): Likewise.
8369 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
8370 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8371 * tree-nrv.c (tree_nrv): Likewise.
8372 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
8373 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
8374 (combine_blocks): Likewise.
8375 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
8376 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
8377 (cleanup_control_flow): Likewise.
8378 (remove_forwarder_block): Likewise.
8379 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8380 * tree-sra.c (sra_replace): Likewise.
8381 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
8382 (forward_propagate_single_use_vars): Likewise.
8383 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
8384 * tree-inline.c (expand_call_inline): Likewise.
8385 * tree-vect-transform.c (vect_transform_loop): Likewise.
8386 * tree-outof-ssa.c (rewrite_trees): Likewise.
8387 * tree-cfg.c (make_goto_expr_edges): Likewise.
8388 (cleanup_dead_labels): Likewise.
8389 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
8390 (bsi_move_before, bsi_move_after): Likewise.
8391 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
8392 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
8394 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
8397 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
8399 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
8400 on non gimple variables. Also add checks at the top for decls and
8402 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
8404 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
8405 and IMAGPART_EXPR for creating MUST_DEFs.
8406 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
8407 and NAME_MEMORY_TAG separately from the DECLs.
8409 2006-01-06 Richard Guenther <rguenther@suse.de>
8411 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
8412 annotation, if necessary.
8413 * tree-ssa-pre.c (create_expression_by_pieces): Remove
8414 redundant calls to update_stmt.
8415 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
8418 2006-01-05 Richard Henderson <rth@redhat.com>
8420 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
8422 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8424 * c-typeck.c: Update copyright date.
8426 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
8428 * c-typeck.c (build_c_cast): Always warn when casting
8429 from a pointer to an integer of different size, even if
8430 the node was constant.
8432 2006-01-05 Richard Guenther <rguenther@suse.de>
8434 PR tree-optimization/22555
8435 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
8436 if one structure field is an array.
8437 * tree-ssa-operands.c (get_expr_operands): Continue scanning
8438 operands even if we found a subvar, but ignore VOPs in this
8440 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
8442 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
8444 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
8447 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
8449 2006-01-05 Richard Guenther <rguenther@suse.de>
8450 Diego Novillo <dnovillo@redhat.com>
8452 * tree-pass.h (TODO_remove_unused_locals): Define.
8453 * gimple-low.c (expand_var_p, remove_useless_vars,
8454 pass_remove_useless_vars): Remove. Update all users.
8455 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
8456 (remove_unused_locals): New function.
8457 * tree-flow.h (remove_unused_locals): Declare.
8458 * passes.c (execute_todo): Call remove_unused_locals if
8459 TODO_remove_unused_locals is set.
8460 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
8461 * tree-ssa-dce.c (pass_dce): Likewise.
8462 * tree-outof-ssa.c (pass_del_ssa): Likewise.
8464 2006-01-05 Richard Guenther <rguenther@suse.de>
8466 * tree-flow.h (struct fieldoff): Decompose field to
8467 type, size and decl.
8468 * tree-ssa-alias.c (create_sft): Take type as parameter.
8469 (create_overlap_variables_for): Store type, size and decl
8470 in the fieldoff structure.
8471 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
8473 (push_fields_onto_fieldstack): Likewise.
8474 (create_variable_info_for): Likewise. Use offset for the
8475 SFT name if the decl is not available.
8477 2006-01-04 Paul Brook <paul@codesourcery.com>
8479 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
8481 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
8483 * lambda-code.c (can_put_in_inner_loop): Relax
8485 (can_put_after_inner_loop): New function.
8486 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
8487 (perfect_nestify): Change to make copies and modify uses.
8489 2006-01-04 Richard Henderson <rth@redhat.com>
8491 Merge from gomp branch:
8492 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
8493 via integer constant.
8494 (pragma_lex): Remove.
8495 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
8496 rather than parsing it.
8497 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
8498 handle_pragma_extern_prefix): Add %< %> quotes.
8499 (registered_pragmas): New.
8500 (c_register_pragma_1): New.
8501 (c_register_pragma): Use it.
8502 (c_register_pragma_with_expansion): Likewise.
8503 (c_invoke_pragma_handler): New.
8504 (init_pragma): Use cpp_register_deferred_pragma directly for
8506 * c-pragma.h (enum pragma_kind): New.
8507 (pragma_handler): New.
8508 (c_invoke_pragma_handler): Declare.
8509 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
8511 * c-common.h (c_common_pch_pragma): Update decl.
8512 * Makefile.in (c-parser.o): Update dependencies.
8513 (GTFILES): Add c-pragma.h.
8514 * c-parser.c (struct c_token): Add pragma_kind.
8515 (struct c_parser): Add in_pragma.
8516 (c_lex_one_token): Always initialize keyword and pragma_kind.
8517 Extract data for CPP_PRAGMA.
8518 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
8519 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
8520 Don't allow CPP_PRAGMA_EOL if in_pragma.
8521 (c_parser_consume_pragma): New.
8522 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
8523 (c_parser_skip_to_end_of_parameter): Likewise.
8524 (c_parser_skip_to_end_of_block_or_statement): Likewise.
8525 (c_parser_skip_to_pragma_eol): New.
8526 (c_parser_external_declaration): Handle CPP_PRAGMA.
8527 (c_parser_compound_statement_nostart): Likewise.
8528 (c_parser_statement_after_labels): Likewise.
8529 (c_parser_pragma): New.
8530 (pragma_lex): Likewise.
8531 (c_parser_pragma_pch_preprocess): New.
8532 (c_parser_new): Merge into ...
8533 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
8535 2006-01-04 Jeff Law <law@redhat.com>
8538 * tree-cfg.c (bsi_replace): Remove the original statement
8539 from the EH throw statement table.
8541 2006-01-04 Jakub Jelinek <jakub@redhat.com>
8543 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
8544 make the prototype extern "C" and add throw ().
8547 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
8548 and pos non-negative and pos + len <= 32.
8549 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
8550 drop pos + len < HOST_BITS_PER_WIDE_INT test.
8551 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
8554 * c-common.c (handle_vector_size_attribute): Reject zero vector size
8555 as well as sizes not multiple of component size.
8558 * function.c (instantiate_expr): New function.
8559 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
8560 walk its DECL_VALUE_EXPR with instantiate_expr.
8562 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
8563 DW_OP_deref{,_size} if address isn't going to be added.
8565 2006-01-04 Ben Elliston <bje@au.ibm.com>
8567 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
8568 * config/fp-bit.c: Likewise.
8570 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
8572 * dominance.c: Add comment about why we use DFS numbering
8575 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8576 Richard Henderson <rth@redhat.com>
8578 Merge from gomp-branch:
8579 * varasm.c (assemble_variable): Handle thread-local COMMON data.
8580 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
8582 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
8584 PR rtl-optimization/25578
8585 * combine.c (combine_simplify_rtx, force_to_mode): Don't
8586 pass a parameter to simplify_shift_const if changing ASHIFTRT
8589 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
8591 * builtins.c (get_builtin_sync_mem): New function.
8592 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
8593 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
8594 Call get_builtin_sync_mem to generate mem rtx.
8596 2006-01-03 Richard Guenther <rguenther@suse.de>
8599 * stmt.c (add_case_node): Make sure to clear overflow flags
8602 2006-01-03 Jakub Jelinek <jakub@redhat.com>
8604 Merge from gomp-branch.
8605 * config/sparc/sync.md: New file.
8606 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
8607 UNSPECV_LDSTUB): New constants.
8608 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
8609 * config/sparc/predicates.md (memory_reg_operand): New predicate.
8610 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
8613 2006-01-03 Roger Sayle <roger@eyesopen.com>
8615 * combine.c (reg_subword_p): New predicate to test whether the
8616 destination of a set refers to a subword/piece of a register.
8617 (try_combine): Generalize the code to merge the setting of a
8618 pseudo to a constant followed by a set of a subword of that
8619 register to a constant.
8621 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
8623 * basic-block.h (control_flow_graph): Change the type of
8624 x_label_to_block_map to VEC(basic_block,gc) *.
8625 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
8626 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
8628 * tree-ssa-propagate.c (cfg_blocks): Change the type to
8629 VEC(basic_block,heap) *.
8630 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
8631 ssa_prop_fini): Adjust the uses of cfg_blocks.
8633 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
8635 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
8637 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
8638 hashing trees instead of a pointer hash.
8639 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
8640 compare for MEM_EXPR.
8642 PR rtl-optimization/25130
8643 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
8644 when comparing MEMs for GCSE
8646 2006-01-03 Ben Elliston <bje@au.ibm.com>
8648 * targhooks.h (default_decimal_float_supported_p): Declare.
8649 * targhooks.c (default_decimal_float_supported_p): Define.
8650 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
8651 `default_decimal_float_supported_p'.
8652 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
8654 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
8656 * combine.c (apply_distributive_law <SUBREG>): Check
8657 TRULY_NOOP_TRUNCATION.
8659 2006-01-02 Geoffrey Keating <geoffk@apple.com>
8661 * dwarf2out.c (have_switched_text_section): Delete.
8662 (have_multiple_function_sections): New.
8663 (have_location_lists): Make 'bool'.
8664 (add_AT_loc_list): Use 'true' not '1'.
8665 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
8666 (output_loc_list): Use have_multiple_function_sections.
8667 (output_ranges): Likewise.
8668 (dwarf2out_begin_function): Set have_multiple_function_sections if
8670 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
8671 Check function_section rather than DECL_SECTION_NAME.
8672 (dwarf2out_finish): Use have_multiple_function_sections.
8673 Don't clear have_location_lists.
8675 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
8676 Jan Hubicka <jh@suse.cz>
8678 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
8679 case of conditional jump jumping to the next instruction.
8680 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
8681 cases of conditional jump jumping to the next instruction.
8683 2006-01-02 Jan Hubicka <jh@suse.cz>
8685 * i386.c (*_cost): Add COSTS_N_INSNS.
8686 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
8688 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
8691 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
8693 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8695 * config/arm/arm.c (all_fpus): Fix comment typo.
8696 * config/darwin.c: Likewise.
8697 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
8698 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
8699 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
8701 2006-01-01 David Edelsohn <edelsohn@gnu.org>
8703 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
8704 (rs6000_split_compare_and_swapqhi): New.
8705 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
8706 (sync_compare_and_swapqhi_internal): New.
8707 * config/rs6000/rs6000-protos.h: Declare.