1 2006-05-15 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/27603
4 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5 Do computations in original type.
7 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
9 * see.c: Code style changes such as redundant paranthesis,
10 redundant intialization of local variables etc.
11 (see_main): Declared now as static.
12 * doc/invoke.texi: Update that -fsee is not enabled by
15 2006-05-15 Jakub Jelinek <jakub@redhat.com>
17 * omp-low.c (check_omp_nesting_restrictions): New function.
18 (scan_omp_1): Call it.
21 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
22 construct, return *VAR.
24 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
26 PR rtl-optimization/27406
27 * bt-load.c (migrate_btr_def): Skip the block having abnormal
30 2006-05-14 Roger Sayle <roger@eyesopen.com>
32 PR rtl-optimization/27538
33 * combine.c (expand_compound_operation): Call gen_lowpart
34 before calling simplify_shift_const.
36 2006-05-14 Roger Sayle <roger@eyesopen.com>
38 PR rtl-optimization/22563
39 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
40 a fixed width bitfield, always force the intermediates into psuedos.
42 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
45 * mkconfig.sh: Use operator = instead of == for test.
47 2006-05-13 Nick Clifton <nickc@redhat.com>
49 * dwarf2out.c (dbx_reg_number): Check return value from
50 LEAF_REG_REMAP and only use it if it is valid.
51 (multiple_reg_loc_descriptor): Likewise.
53 2006-05-13 Richard Guenther <rguenther@suse.de>
55 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
58 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
60 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
61 information attached to non-INSNs such as NOTEs.
62 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
64 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
66 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
68 * config/s390/s390.md: Adjust comment describing On constraint.
70 2006-05-11 Jan Hubicka <jh@suse.cz>
72 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
75 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
78 * fold-const.c (size_binop): Move sanity check for arguments to
79 the beginning of the function.
82 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
85 2006-05-11 Richard Guenther <rguenther@suse.de>
88 * fold-const.c (fold_unary): Handle intermediate conversion
89 to a pointer type like intermediate conversion to an integer
90 type in folding of (T1)(T2)var to var.
91 Match the code to the comment in the final conversion for
92 (T1)(T2)var to (T1)var regarding to type precision. Rather
93 than disallow T1 being of pointer type, assert that both T1
94 and var are of pointer type or not. Make sure not to fall
95 over the frontends lazyness wrt array to pointer decay though.
97 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
99 * arm.c (arm_struct_value_rtx): Delete.
100 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
101 (arm_init_cumulative_args): Always initialize nregs to zero.
103 2006-05-10 Richard Guenther <rguenther@suse.de>
105 PR tree-optimization/27532
106 * tree-object-size.c (plus_expr_object_size): Fix typo.
108 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
111 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
112 ashrdi_const, ashrdi3): Use a scratch register.
114 2006-05-10 Richard Guenther <rguenther@suse.de>
116 PR tree-optimization/27302
117 * fold-const.c (operand_equal_p): For two comparisons,
118 try comparison of one comparison code swapped if that yields
121 2006-05-10 Ben Elliston <bje@au.ibm.com>
123 * tree-pretty-print.c (pretty_print_string): No need to handle
124 '\0' as a special character.
126 * tree.h: Include "hashtab.h".
127 (iterative_hash_expr): Use hashval_t in its prototype.
128 * Makefile.in (TREE_H): Add $(HASHTAB_H).
130 2006-05-09 Steve Ellcey <sje@cup.hp.com>
133 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
134 (hppa*64*-*-hpux11*): Ditto.
135 (hppa[12]*-*-hpux11*): Ditto.
137 2006-05-09 David Edelsohn <edelsohn@gnu.org>
140 * config/rs6000/aix41.h (TARGET_64BIT): Define.
142 2006-05-09 Michael Matz <matz@suse.de>
144 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
145 host_extra_gcc_objs and host_xmake_file.
146 (<*-*-linux*>): Don't overwrite host_xmake_file.
147 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
148 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
149 (host_detect_local_cpu): Declare.
150 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
151 * config/i386/i386.c (override_options): Handle -mtune=native
153 * config/i386/x-i386: New file.
154 * config/i386/driver-i386.c: New file.
155 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
158 2006-05-09 Dirk Mueller <dmueller@suse.de>
159 Richard Guenther <rguenther@suse.de>
162 * fold-const.c (fold_read_from_constant_string): Relax check
163 for matching types to matching modes.
165 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
167 PR rtl-optimization/27335
168 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
171 2006-05-08 Chao-ying Fu <fu@mips.com>
172 Richard Sandiford <richard@codesourcery.com>
174 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
175 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
176 * config/mips/mips.md (UNSPEC_SCC): New constant.
177 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
178 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
179 (mips_emit_compare): Use it.
180 (mips_expand_vcondv2sf): New function.
182 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
184 Fix PR tree-optimization/27093
185 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
186 renaming when they become not-used_alone.
188 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
190 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
191 relocation and relocation stubs.
193 2006-05-08 Eric Christopher <echristo@apple.com>
195 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
198 2006-05-08 Jan Hubicka <jh@suse.cz>
201 * cgraphunit.c (decide_is_function_needed): When not optimizing even
202 unused static functions are needed.
204 2006-05-08 Roger Sayle <roger@eyesopen.com>
207 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
208 of a reg_equiv_constant if the result is a legitimate constant.
210 2006-05-08 Uros Bizjak <uros@kss-loka.si>
213 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
214 standard 80387 constants, raise the cost to prevent
215 compress_float_constant() to generate load from memory.
217 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
219 * config/arm/constraints.md (c): Fix a typo.
221 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
224 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
227 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
229 (_mm_mwait): Likewise.
231 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
233 (sse3_monitor): Make it 32bit only.
234 (sse3_monitor64): New. 64bit monitor.
236 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
239 * config/i386/i386.c (classify_argument): Skip fields with invalid
242 2006-05-07 Richard Guenther <rguenther@suse.de>
244 PR tree-optimization/27409
245 * tree-ssa-structalias.c (get_constraint_for_component_ref):
246 Do not try to find zero-sized subvars.
248 2006-05-07 Richard Guenther <rguenther@suse.de>
250 PR tree-optimization/27136
251 * tree-ssa-loop-niter.c (get_val_for): Correct function
252 comment, assert requirements.
253 (loop_niter_by_eval): Stop processing if the iterated
254 value did not simplify.
256 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
258 * opts.c (flag_see): remove its setting at -O3.
260 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
262 * genpeep.c (main): Make insn-peep.c depend on flags.h.
263 * arm/constraints.md: New file.
264 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
265 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
266 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
267 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
268 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
269 (EXTRA_MEMORY_CONSTRAINT): Likewise.
270 * arm.md: Include constraints.md.
271 (thumb_movsi_insn): Use satisfies_constraint_J.
272 (movhi, movqi): Use satisfies_constraint_I.
274 2006-04-29 Anatoly Sokolov <aesok@post.ru>
276 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
277 for atmeg a645 device.
279 2006-05-06 Richard Guenther <rguenther@suse.de>
281 PR tree-optimization/27151
282 * tree-vect-transform.c (vectorizable_condition): Punt on
283 values that have a different type than the condition.
285 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
288 * c-parser.c (c_parser_cast_expression): Only insert casts into
289 hash table if pointer.
290 * function.c (used_types_insert_helper): Rename from
292 (used_types_insert): Call used_types_insert_helper.
293 * function.h (used_types_insert): Accept only one argument.
295 2006-05-05 David Edelsohn <edesohn@gnu.org>
297 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
298 scratch with output modifier.
300 2006-05-04 David Edelsohn <edelsohn@gnu.org>
303 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
304 with output modifier.
306 2006-05-04 Richard Sandiford <richard@codesourcery.com>
309 * config/mips/mips.c (mips_symbolic_address_p): Return true
310 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
311 SYMBOL_GOTTPREL, and SYMBOL_TLS.
313 2006-05-04 Richard Guenther <rguenther@suse.de>
315 PR tree-optimization/14287
316 PR tree-optimization/14844
317 PR tree-optimization/19792
318 PR tree-optimization/21608
319 PR tree-optimization/27090
320 * tree-ssa-pre.c (try_combine_conversion): New function.
321 (compute_avail): After constructing the value-handle
322 expression, use try_combine_conversion to combine NOP_EXPRs
323 with previous value-handle expressions and use the result if it
326 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
328 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
330 2006-05-04 Jan Hubicka <jh@suse.cz>
333 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
335 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
337 * config/bfin/predicates.md (const01_rtx): Tell generator programs
338 that this only matches CONST_INTs. All users changed to VOIDmode
341 * config/bfin/bfin.c: Include "optabs.h".
342 (bfin_rtx_costs): Some costs for vector operations, to allow combine
344 (enum bfin_builtins): Add a number of fractional and vector builtins.
345 (bfin_init_builtins): Likewise.
346 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
347 (safe_vector_operand, bfin_expand_binop_builtin,
348 bfin_expand_unop_builtin): New functions.
349 (bfin_expand_builtin): Handle the new builtins.
350 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
353 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
356 * Makefile.in (OBJS-common): Add see.o.
357 (see.o): Add dependencies.
358 * common.opt (fsee): New flag for the see optimization was added.
359 * opts.c (flag_see): Initialized.
360 * passes.c (init_optimization_passes, pass_see): New pass.
361 * rtl.h (see_main): Declaration as extern.
362 * timevar.def (TV_SEE): New.
363 * tree-pass.h (pass_see): Declaration as extern.
364 * invoke.texi (-fsee): Document.
365 * recog.c (validate_simplify_insn): New function.
366 * recog.h (validate_simplify_insn): Declaration as extern.
367 * df-problems.c (df_chain_dump): Check for NULL.
369 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
370 Daniel Berlin <dberlin@dberlin.org>
372 * cfgrtl.c (insert_insn_bb_end_new): New function.
373 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
375 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
377 * df.h (struct web_entry): Moved from web.c.
378 (union_defs): Declaration as extern.
379 (unionfind_root): Likewise.
380 (unionfind_union): Likewise.
381 * web.c (struct web_entry): Moved to df.h.
382 (unionfind_root): Remove static declaration.
383 (unionfind_union): Likewise.
384 (union_defs): Likewise and generalize to use callback function.
385 (web_main): Update arguments for union_defs function call.
387 2006-05-04 Richard Guenther <rguenther@suse.de>
389 PR tree-optimization/26447
390 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
391 produce SSA_NAME copies before the store stmt to avoid
392 breaking exception handling.
394 2006-05-04 Jakub Jelinek <jakub@redhat.com>
397 * gimplify.c (omp_is_private): If var is shared in some outer context,
398 return false instead of true. Stop searching on parallel context
401 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
404 * coverage.c: Use get_gcov_unsigned_t() instead of
405 unsigned_type_node all over.
407 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
409 PR tree-optimization/27381
410 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
411 maintain the same immediate_use links.
412 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
413 node rather than segfaulting.
415 2006-05-03 Jakub Jelinek <jakub@redhat.com>
418 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
419 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
420 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
422 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
424 Fix PR tree-optimization/26626
425 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
427 * tree-ssa-operands.c (access_can_touch_variable): Allow
428 typecasting through union pointers.
430 2006-05-02 Jakub Jelinek <jakub@redhat.com>
433 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
434 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
435 to find if var will be a global variable even in the nested context.
436 (omp_copy_decl): Only check for global variable at the end, it might
437 be overridden in outer contexts.
438 (scan_sharing_clauses): For global variables don't create a field.
439 (lower_rec_input_clauses): Do nothing for global shared variables.
440 Emit a barrier at the end of ILIST if there were any decls in both
441 firstprivate and lastprivate clauses.
442 (lower_send_clauses): Do nothing for global variables except for
445 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
447 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
448 of the correct signedness is returned.
450 2006-05-02 Jeff Law <law@redhat.com>
452 PR tree-optimization/27364
453 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
454 multiply expressions.
456 2006-05-02 Tom Tromey <tromey@redhat.com>
458 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
460 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
463 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
464 -mthumb -fPIC are used.
466 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
467 Joshua Kinard <kumba@gentoo.org>
470 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
471 with 64-bit pointers.
473 2006-05-02 Paul Brook <paul@codesourcery.com>
475 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
477 (create_fix_barrier): Check that a suitable barrier location is
479 (arm_reorg): Include ftmp->address in allowable range of addresses.
481 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
484 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
487 2006-05-02 Jakub Jelinek <jakub@redhat.com>
490 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
491 around RESULT_DECL for result passed by reference.
492 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
493 * omp-low.c (use_pointer_for_field): Don't look at
494 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
495 (scan_omp_1): Call remap_decl on RESULT_DECLs.
496 (lower_rec_input_clauses): Don't allocate VLA memory for the second
497 time or var for passing by reference for
498 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
499 TREE_ADDRESSABLE variables when passing by reference.
501 * omp-low.c (dump_omp_region): Fix output formatting.
504 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
505 (expand_omp_parallel): Likewise.
506 * tree-cfg.c (move_sese_region_to_fn): Likewise.
509 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
510 on statement list containing also constructors and destructors.
511 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
514 * except.c (duplicate_eh_regions): Fix clearing of
515 cfun->eh->region_array entries.
517 2006-05-01 DJ Delorie <dj@redhat.com>
519 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
521 (gcc_cv_objdump): Likewise.
522 * configure: Regenerated.
524 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
527 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
528 templates for case 3 and 4.
530 2006-05-01 DJ Delorie <dj@redhat.com>
532 * vec.c: Include bconfig.h when appropriate.
533 * Makefile.in (build/vec.o): Adjust dependencies.
534 * mkconfig.sh: Make sure config.h isn't used for build machine
537 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
539 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
541 (mark_phi_for_rewrite): New function.
542 (insert_phi_nodes_for, mark_use_interesting): Call
543 mark_phi_for_rewrite.
544 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
545 (update_ssa): Initialize and free phis_to_rewrite.
547 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
549 PR rtl-optimization/27291
550 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
551 folded to a constant.
553 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
555 PR tree-optimization/27283
556 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
557 not whole # of iteration descriptions.
558 (niter_for_exit): Return just # of iterations. Fail if # of iterations
559 uses abnormal ssa name.
560 (niter_for_single_dom_exit): Ditto.
561 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
562 return just the number of iterations.
564 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
566 PR tree-optimization/27144
567 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
568 (record_estimate): Only record constant upper bound.
569 (infer_loop_bounds_from_undefined): Call
570 compute_estimated_nb_iterations just once.
571 (proved_non_wrapping_p): Renamed to ...
572 (n_of_executions_at_most): ... this. Expect bound to be a constant.
573 (convert_step_widening, scev_probably_wraps_p): Call
574 n_of_executions_at_most instead of proved_non_wrapping_p.
575 (substitute_in_loop_info): Do not replace values in bounds.
576 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
579 2006-05-01 Richard Henderson <rth@redhat.com>
582 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
583 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
586 2006-05-01 Roger Sayle <roger@eyesopen.com>
588 * c-typeck.c (parser_build_binary_op): Don't call the function
589 unsigned_conversion_warning to spot operand/result type overflow.
590 (build_binary_op): Instead, call convert_and_check instead of
591 convert to report the problem when the operands are promoted.
592 * c-common.c (unsigned_conversion_warning): Make static.
593 * c-common.h (unsigned_conversion_warning): Delete prototype.
595 2006-05-01 Richard Guenther <rguenther@suse.de>
597 PR tree-optimization/26726
598 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
600 (find_interesting_uses_address): ... we work around here
601 by folding INDIRECT_REFs in the substituted base.
603 2006-05-01 Diego Novillo <dnovillo@redhat.com>
605 * omp-low.c (dump_omp_region): Add newlines.
607 2006-04-30 Roger Sayle <roger@eyesopen.com>
609 * common.opt (Woverflow): New command line option.
610 * c-common.c (constant_expression_warning): Check warn_overflow.
611 (overflow_waring): Pass OPT_Woverflow to warning.
612 (unsigned_conversion_warning): Likewise.
613 (convert_and_check): Likewise.
614 * doc/invoke.texi: Document new command line option.
616 2006-04-30 David Edelsohn <edelsohn@gnu.org>
618 * config/rs6000/rs6000.c (rs6000_override_options): Enable
619 TARGET_NO_FP_IN_TOC for section anchors.
620 (optimization_options): Enable section anchors for all
621 non-"Objective" languages.
623 2006-04-28 Eric Christopher <echristo@apple.com>
625 * config/darwin-c.c (darwin_ms_struct): Move this
626 (darwin_set_default_type_attributes): and this...
627 * config/darwin.c: ... here.
628 * config/darwin.h (darwin_ms_struct): Declare.
630 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
632 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
634 2006-04-28 Roger Sayle <roger@eyesopen.com>
637 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
638 (push_array_bounds): Delete prototype. Change BOUNDS argument to
639 an unsigned HOST_WIDE_INT.
640 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
642 (really_start_incremental_init): No need to call convert because
643 bitsize_zero_node is already of type bitsizetype.
644 (push_init_level): Extract the value of constructor_index as an
645 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
646 (process_init_element): Likewise.
648 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
650 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
651 value before passing to make_relative_prefix.
653 2006-04-28 Alan Modra <amodra@bigpond.net.au>
656 * builtins.c (expand_builtin_memset): Expand val in original mode.
658 2006-04-27 Eric Christopher <echristo@apple.com>
660 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
662 * config/darwin-c.c (darwin_ms_struct): New.
663 (darwin_pragma_ms_struct): Ditto.
664 (darwin_set_default_type_attributes): Ditto.
665 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
666 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
667 Register ms_struct pragma.
668 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
669 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
670 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
671 darwin_set_default_type_attributes if TARGET_MACHO.
673 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
675 PR tree-optimization/26854
676 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
677 * doc/tree-ssa.texi: Update immuse iterator documentation.
678 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
679 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
680 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
681 first_safe_imm_use, next_safe_imm_use): Remove.
682 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
683 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
684 (move_use_after_head): New. Helper function to sort immuses in a stmt.
685 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
686 (first_imm_use_stmt): New. Get first stmt in an immuse list.
687 (next_imm_use_stmt): New. Get next stmt in an immuse list.
688 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
689 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
690 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
691 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
692 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
693 (perfect_nestify): Use new iterator.
694 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
696 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
697 (next_imm_name): New field in struct immediate_use_iterator_d.
698 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
699 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
700 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
701 * tree-cfg.c (replace_uses_by): Use new iterator.
702 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
703 * tree-ssa-operands.c (correct_use_link): Remove.
704 (finalize_ssa_use_ops): No longer call correct_use_link.
706 2006-04-27 Stuart Hastings <stuart@apple.com>
708 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
709 * config/t-darwin (crt3.o): Use it.
710 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
711 'pmode', use Pmode instead of SImode for SYMBOL_REF.
712 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
713 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
714 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
717 2006-04-27 Roger Sayle <roger@eyesopen.com>
719 * expmed.c (store_fixed_bit_field): If we're not optimizing for
720 size, force the intermediate into a new pseudo rather instead of
721 performing both a bitwise AND and a bitwise IOR in memory.
723 2006-04-27 Richard Guenther <rguenther@suse.de>
725 PR rtl-optimization/26685
726 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
727 this one "max-flow-memory-locations".
729 2006-04-27 Richard Guenther <rguenther@suse.de>
731 PR tree-optimization/25148
732 * tree-vrp.c (compare_values): Remove code dealing with
733 comparisons against type min/max value. Honour overflow
734 and negative constants in code dealing with comparisons
735 of plus and minus expressions.
736 (value_inside_range): Use fold_binary with LE_EXPR and
737 GE_EXPR rather than compare_values.
739 2006-04-27 Dirk Mueller <dmueller@suse.de>
741 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
744 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
746 * basic-block.h (safe_insert_insn_on_edge): Removed.
747 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
749 2006-04-26 David Edelsohn <edelsohn@gnu.org>
750 Paolo Bonzini <bonzini@gnu.org>
753 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
754 (simplify_and_const_int): Same.
756 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
758 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
760 2006-04-26 Jakub Jelinek <jakub@redhat.com>
763 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
764 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
765 cgraph_global_info_ready.
768 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
771 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
772 either decl or init is error_mark_node.
775 * tree-flow.h (struct omp_region): Add sched_kind.
776 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
777 instead of extracting omp for data.
778 (expand_omp_for): Save extracted sched_kind.
780 2006-04-25 Roger Sayle <roger@eyesopen.com>
782 * expmed.c (store_bit_field): Also check whether the bitsize is
783 valid for the machine's "insv" instruction before moving the
784 target into a pseudo for use with the insv.
785 * config/i386/predicates.md (const8_operand): New predicate.
786 * config/i386/i386.md (extv, extzv, insv): Use the new
787 const8_operand predicate where appropriate.
789 2006-04-25 DJ Delorie <dj@redhat.com>
791 * doc/install.texi (Specific): Clarify that this is not a list of
792 supported hosts or targets.
794 2006-04-25 Richard Sandiford <richard@codesourcery.com>
796 PR rtl-optimization/26725
797 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
798 block's BB_DIRTY flag.
800 2006-04-25 Geoffrey Keating <geoffk@apple.com>
802 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
805 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
808 2006-04-25 David Edelsohn <edelsohn@gnu.org>
810 * varasm.c (align_variable): New function.
811 (get_block_for_decl): Apply align_variable to DECL before
812 calculating section information.
813 (assemble_variable): Split out alignment computation.
815 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
817 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
820 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
822 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
823 MODE_PARTIAL_INT mode.
824 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
825 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
827 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
828 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
830 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
832 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
834 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
835 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
836 MACFLAG_IH): Likewise.
837 (movstricthi_1): Renamed from "*movstricthi".
838 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
839 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
840 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
841 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
842 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
843 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
844 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
845 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
846 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
847 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
848 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
849 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
850 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
851 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
852 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
854 * doc/rtl.texi (ss_ashift): Improve wording.
856 2006-04-24 Geoffrey Keating <geoffk@apple.com>
858 * dwarf2out.c (verify_marks_clear): New.
859 (prune_unused_types): Call verify_marks_clear initially, not
862 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
864 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
865 * doc/rtl.texi: Document them.
866 * simplify-rtx.c (simplify_unary_operation,
867 simplify_binary_operation_1): Don't abort when we see them.
869 2006-04-24 Mark Mitchell <mark@codesourcery.com>
872 2006-04-23 Mark Mitchell <mark@codesourcery.com>
873 * configure.ac: Completely disregard languages that are not
875 * configure: Regenerated.
877 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
878 Richard Guenther <rguenther@suse.de>
880 PR tree-optimization/27236
881 * tree-inline.c (copy_body_r): Make sure to copy
882 TREE_THIS_VOLATILE flag.
884 2006-04-24 Richard Guenther <rguenther@suse.de>
887 * tree-complex.c (update_parameter_components): Don't handle
888 unused parameters which have no default def.
890 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
891 Richard Guenther <rguenther@suse.de>
893 PR tree-optimization/27218
894 * tree-inline.c (expand_call_inline): Strip useless type
895 conversions for the return slot address.
897 2006-04-24 Richard Guenther <rguenther@suse.de>
899 * cfgloop.h (struct loops): Remove unused field array. Reorder
901 (LOOP_PREFETCH): Remove.
903 2006-04-24 Richard Guenther <rguenther@suse.de>
905 PR tree-optimization/22525
906 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
907 variable, adjust types of generated expressions.
909 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
911 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
912 (tree-vect-patterns.o): Likewise.
914 (cselib.o): Likewise.
915 (loop-doloop.o): Likewise.
916 (regclass.o): Likewise.
917 (reload1.o): Likewise.
918 (explow.o): Replace target.h with $(TARGET_H).
919 (ipa-prop.o): Likewise.
920 (ipa-cp.o): Likewise.
921 (ipa-inline.o): Likewise.
923 (reg-stack.o): Likewise.
925 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
927 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
929 2006-04-23 Mark Mitchell <mark@codesourcery.com>
931 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
933 * configure.ac: Completely disregard languages that are not
935 * configure: Regenerated.
938 * c-common.h (c_build_bitfield_integer_type): Declare.
939 * c-decl.c (c_build_bitfield_integer_type): Move to ...
940 * c-common.c (c_build_bitfield_integer_type): ... here.
942 2006-04-23 Roger Sayle <roger@eyesopen.com>
945 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
946 a SImode SUBREG of a floating point register after no_new_pseudos.
948 2006-04-23 Roger Sayle <roger@eyesopen.com>
950 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
951 identify potentially eliminable registers to additionally catch
952 VIRTUAL_INCOMING_ARGS_REGNUM.
953 (addsi3): Update the conditions on when to use addsi_small_int.
955 2006-04-23 Roger Sayle <roger@eyesopen.com>
958 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
959 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
960 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
962 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
964 * fold-const.c (range_predecessor): Use operand_equal_p
965 as the predicate for equality.
966 (range_successor): Likewise.
968 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
971 * config/soft-fp/op-common.h: Fix a typo.
973 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
976 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
977 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
979 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
981 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
983 * doc/tm.texi: Fix a typo.
985 2006-04-21 Geoffrey Keating <geoffk@apple.com>
987 * dwarf2out.c (struct die_struct): Document that die_sib makes
988 a circular linked list.
989 (FOR_EACH_CHILD): New.
990 (reverse_die_lists): Delete.
991 (reverse_all_dies): Delete.
992 (add_dwarf_attr): Correct documentation.
993 (remove_child_with_prev): New.
994 (remove_child_TAG): Update for change to die_struct, use
995 remove_child_with_prev.
996 (add_child_die): Update for change to die_struct.
997 (splice_child_die): Use remove_child_with_prev and add_child_die.
998 (print_die): Use FOR_EACH_CHILD.
999 (die_checksum): Likewise.
1000 (assign_symbol_names): Likewise.
1001 (output_location_lists): Likewise.
1002 (build_abbrev_table): Likewise.
1003 (calc_die_sizes): Likewise.
1004 (mark_dies): Likewise.
1005 (unmark_dies): Likewise.
1006 (unmark_all_dies): Likewise.
1007 (output_die): Likewise.
1008 (prune_unused_types_mark): Likewise.
1009 (prune_unused_types_walk): Likewise.
1010 (same_die_p): Update for change to die_struct.
1011 (break_out_includes): Likewise.
1012 (prune_unused_types_prune): Likewise.
1013 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1014 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1016 (dwarf2out_finish): Don't call reverse_all_dies.
1018 2006-04-21 Eric Christopher <echristo@apple.com>
1020 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1021 in comments and function names.
1023 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1026 * c-typeck.c (digest_init): Robustify.
1028 * c-typeck.c (pop_init_level): Simplify.
1030 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1032 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1034 2006-04-21 Paul Brook <paul@codesourcery.com>
1036 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1037 hardware floating point.
1039 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1041 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1044 2006-04-21 Nick Clifton <nickc@redhat.com>
1046 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1049 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1052 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1053 C++ lang type in traceback table for Objective-C++.
1055 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1057 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1059 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1061 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1064 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1065 were errors. Remove check for erroneous objects.
1067 2006-04-20 Jeff Law <law@redhat.com>
1069 PR tree-optimization/26854
1070 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1071 checking for zero or one use.
1072 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1073 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1074 * tree-ssa-reassoc.c (negate_value): Similarly.
1075 (reassociate_bb): Similarly.
1077 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1079 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1080 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1081 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1083 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1085 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1086 fp regs if the last fp arg doesn't fit in regs.
1088 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1091 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1092 that the last insn has the REG_INC note.
1094 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1095 Nathan Sidwell <nathan@codesourcery.com>
1098 * stor-layout.c (update_alignment_for_field): Do not align
1100 (place_union_field): Place union field at the start of the union.
1101 (place_field): Move ERROR_MARK check later, and use the current
1102 allocation position to maintain monotonicity.
1104 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1106 * dominance.c: Include timevar.h.
1107 (calculate_dominance_info): Use TV_DOMINANCE.
1108 * timevar.def (TV_DOMINANCE): New timevar.
1109 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1111 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1113 PR rtl-optimization/14261
1114 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1115 move would be an INSV insn.
1116 (noce_process_if_block): Don't optimize if the destination is a
1117 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1119 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1121 * config/s390/s390.md: Add comments with the instructions emitted
1122 by an insn pattern if macros are used.
1124 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1126 PR rtl-optimization/26026
1127 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1128 is a known power of two shifted left a variable amount.
1130 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1132 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1133 to hash table twice when the debug_str section has SECTION_MERGE.
1135 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1137 * config/soft-fp: New directory. From glibc.
1138 * config/soft-fp/t-softfp: New.
1139 * config/soft-fp/README: New.
1140 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1141 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1142 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1143 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1144 * config.gcc: Use rs6000/t-fprules-fpbit or
1145 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1147 * config/rs6000/sfp-machine.h: New. Based on glibc.
1148 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1150 * config/rs6000/t-fprules: Remove fp-bit rules.
1151 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1152 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1153 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1154 (softfp_wrap_start, softfp_wrap_end): New.
1156 2006-04-18 DJ Delorie <dj@redhat.com>
1158 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1160 2006-04-18 Devang Patel <dpatel@apple.com>
1162 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1164 2006-04-18 Nick Clifton <nickc@redhat.com>
1166 * config/sh/t-symbian: Add rule to build sh-c.o
1167 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1168 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1169 (sh_symbian_encode_section_info): Likewise.
1171 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1173 * builtins.c (expand_builtin_strcmp): Cover label definition of
1174 do_libcall with HAVE_cmpstrnsi.
1176 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1178 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1180 * function.h (temp_slot_p): New.
1181 (function): Change the type of x_used_temp_slots to
1182 VEC(temp_slot_p,gc) *.
1184 2006-04-18 Nick Clifton <nickc@redhat.com>
1186 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1187 flag_strength_reduce.
1189 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1191 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1195 Partial revert of revision 112637
1196 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1197 Dale Johannesen <dalej@apple.com>
1200 * regclass.c (struct reg_pref): Update documentation.
1201 (regclass): Set prefclass to NO_REGS if memory is the best option.
1202 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1204 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1206 PR tree-optimization/26821
1207 * tree-ssa-math-opts.c (get_constant_one): New.
1208 (insert_reciprocals): Use it.
1210 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1212 * dwarf2out.c (free_AT): Delete.
1213 (remove_AT): Update string ref counts.
1214 (remove_child_TAG): Don't call free_die.
1216 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1217 or DW_TAG_GNU_EINCL.
1218 (prune_unused_types_walk_attribs): Reset string refcounts.
1219 (prune_unused_types_update_strings): New.
1220 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1221 call free_die. Do call prune_unused_types_update_strings.
1222 (prune_unused_types): Empty debug_str_hash.
1224 2006-04-17 Roger Sayle <roger@eyesopen.com>
1226 * expr.c (expand_assignment): Optimize away no-op moves where the
1227 source and destination are equal and have no side-effects.
1229 2006-04-17 Richard Guenther <rguenther@suse.de>
1232 * reload.c (push_reload): Guard calls to get_secondary_mem
1235 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1237 * alias.c (reg_base_value, old_reg_base_value): Change the
1238 type to VEC(rtx,gc) *.
1239 (REG_BASE_VALUE, find_base_value, record_set,
1240 init_alias_analysis): Use VEC instead of VARRAY.
1242 * alias.c (alias_sets): Change the type to
1243 VEC(alias_set_entry,gc) *.
1244 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1245 VEC instead of VARRAY.
1246 (last_alias_set): Remove.
1248 * cgraph.h (cgraph_edge_p): New.
1249 Update the prototype of cgraph_function_versioning.
1250 * cgraphunit.c (cgraph_copy_node_for_versioning,
1251 cgraph_function_versioning): Use VEC instead of VARRAY.
1252 * ipa-cp.c (ipcp_insert_stage): Likewise.
1254 2006-04-16 Roger Sayle <roger@eyesopen.com>
1257 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1258 "A op B" or "A op C", we may need to convert A to the type of B and C.
1260 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1262 * target.h (struct gcc_target): Add mode_rep_extended.
1263 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1264 (init_num_sign_bit_copies_in_rep): Initialize it using
1266 (truncate_to_mode): Use it.
1267 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1268 * targhooks.h (default_mode_rep_extended): Declare it.
1269 * targhooks.c (default_mode_rep_extended): Define it.
1270 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1271 default_mode_rep_extended.
1272 (TARGET_INITIALIZER): Include it.
1273 * doc/tm.texi (Misc): Document it.
1274 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1275 (mips_truncated_to_mode): New function.
1277 2006-04-16 Roger Sayle <roger@eyesopen.com>
1280 * expr.c (compress_float_constant): Copy the narrow constant into
1281 a new pseudo before extending it to its final width.
1283 2006-04-16 Roger Sayle <roger@eyesopen.com>
1284 Andrew Pinski <pinskia@gcc.gnu.org>
1285 Dale Johannesen <dalej@apple.com>
1288 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1289 special case code to implement V8HImode and V16QImode with SSE2.
1291 2006-04-15 Roger Sayle <roger@eyesopen.com>
1293 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1294 trees are constructed with a suitable tree type.
1296 2006-04-15 Roger Sayle <roger@eyesopen.com>
1298 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1299 (integer_onep): Likewise.
1300 (integer_all_onesp): Likewise.
1301 (integer_pow2p): Likewise.
1302 (integer_nonzerop): Likewise.
1303 (real_zerop): Likewise.
1304 (real_onep): Likewise.
1305 (real_twop): Likewise.
1306 (real_minus_onep): Likewise.
1307 (int_size_in_bytes): Likewise.
1308 (host_integerp): Likewise.
1310 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1312 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1313 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1314 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1316 * tree-ssa-structalias.h (alias_info): Remove num_references.
1318 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1320 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1321 (output_bvb patterns): Likewise.
1322 * pa.c (output_bb): Use 'bb' insn for long branch case.
1323 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1324 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1325 1. Correct length operand for alternatives 1 and 2.
1326 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1327 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1329 2006-04-14 Roger Sayle <roger@eyesopen.com>
1331 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1332 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1333 were accidentally reverted by r112959.
1335 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1338 * except.h (eh_region_outermost): New prototype.
1339 * except.c (eh_region_outermost): New function.
1340 * tree-cfg.c (find_outermost_region_in_block): Use it.
1342 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1344 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1346 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1347 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1348 (init_reload, reload): Use VEC instead of VARRAY.
1349 * reload.h: Update the prototype for
1350 reg_equiv_memory_loc_varray.
1352 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1353 Eric Botcazou <ebotcazou@libertysurf.fr>
1355 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1358 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1361 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1362 to expand fallback builtin function call.
1364 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1367 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1368 and emit libcall here in case the builtin fails.
1369 (expand_builtin_strcmp): Always emit the libcall here on failure.
1371 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1373 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1374 * flow.c (reg_n_info): Change the type to
1375 VEC(reg_info_p,heap) *.
1376 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1378 * regs.h (reg_info_p): New.
1379 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1380 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1381 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1384 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1386 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1388 * params.h (MAX_SCHED_READY_INSNS): New macro.
1389 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1390 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1391 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1392 the ready list for 1 cycle during the first scheduling pass.
1393 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1395 2006-04-13 Richard Henderson <rth@redhat.com>
1398 * gimple-low.c (lower_omp_directive): Remove dead code.
1399 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1400 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1401 * omp-low.c (struct omp_region): Move to tree-flow.h.
1402 (root_omp_region): Export.
1403 (omp_regions, lookup_omp_region): Remove.
1404 (determine_parallel_type): Update for struct omp_region changes.
1405 (dump_omp_region): Dump regions with block numbers.
1406 (new_omp_region): Take type and block instead of stmt; malloc
1408 (free_omp_region_1, free_omp_regions): New.
1409 (expand_parallel_call): Take entry_stmt as argument; update for
1410 changes to omp_region.
1411 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1412 (remove_exit_barriers): New.
1413 (expand_omp_parallel): Update for struct omp_region changes.
1414 (expand_omp_synch): Likewise.
1415 (expand_omp): Likewise.
1416 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1417 (expand_omp_for_static_chunk): Likewise.
1418 (expand_omp_for): Likewise.
1419 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1420 (expand_omp_sections): Similarly, with GOMP_sections_end.
1421 (expand_omp_single): New.
1422 (build_omp_regions_1): Update for OMP_CONTINUE.
1423 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1424 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1425 OMP_SECTIONS_SECTIONS.
1426 (lower_omp_single_simple): Don't emit barrier here.
1427 (lower_omp_single_copy): Likewise.
1428 (lower_omp_single): Fix bindings, and lower to straightline now.
1429 (lower_omp_master, lower_omp_ordered): Likewise.
1430 (lower_omp_critical): Likewise.
1431 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1432 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1433 omp edges, free it afterward.
1434 (make_omp_sections_edges): Remove.
1435 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1436 (move_stmt_r): Handle OMP_CONTINUE.
1437 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1438 statement pointers to basic blocks. Add type member.
1439 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1440 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1441 * tree-inline.c (estimate_num_insns_1): Likewise.
1442 * tree-pretty-print.c (dump_generic_node): Likewise.
1443 * tree-ssa-operands.c (get_expr_operands): Likewise.
1444 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1445 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1446 (OMP_CONTINUE): New.
1447 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1448 (OMP_SECTIONS_SECTIONS): Remove.
1449 (OMP_SECTION_LAST): New.
1450 (OMP_RETURN_NOWAIT): New.
1452 2006-04-13 Roger Sayle <roger@eyesopen.com>
1454 * fold-const.c (native_encode_vector, native_interpret_real):
1455 Correct obvious mistakes in the previous check-in.
1457 2006-04-13 Roger Sayle <roger@eyesopen.com>
1459 * fold-const.c (native_encode_expr): New function to encode
1460 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1461 or VECTOR_CST into a specified buffer.
1462 (native_encode_int): New function.
1463 (native_encode_real): New function.
1464 (native_encode_complex): New function.
1465 (native_encode_vector): New function.
1466 (native_interpret_expr): Inverse of native_encode_expr to convert
1467 a target representation into an INTEGER_CST, REAL_CST etc...
1468 (native_interpret_int): New function.
1469 (native_interpret_real): New function.
1470 (native_interpret_complex): New function.
1471 (native_interpret_vector): New function.
1472 (fold_view_convert_expr): New function to constant fold/evaluate
1473 a VIEW_CONVERT_EXPR of a suitable constant expression.
1474 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1475 Change call of build1 to fold_build1 when constructing a
1478 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1479 Ulrich Weigand <uweigand@de.ibm.com>
1482 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1485 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1488 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1489 optimize to lo_sum for DFmode if !TARGET_FPRS.
1491 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1493 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1494 delete_alias_info, compute_flow_sensitive_aliasing,
1495 group_aliases): Use VEC instead of VARRAY.
1496 * tree-ssa-structalias.c (update_alias_info): Likewise.
1497 * tree-ssa-structalias.h (alias_info): Change the type of
1498 processed_ptrs to VEC(tree,heap) *.
1500 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1503 * config/sh/lib1funcs.h: New file, broken out of:
1504 * config/sh/lib1funcs.asm.
1505 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1507 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1508 * config/sh/lib1funcs-Os-4-200.asm: New file.
1509 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1510 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1511 (EXTRA_MULTILIB_PARTS): Include it.
1512 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1513 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1514 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1515 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1518 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1520 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1521 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1522 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1524 * tree-ssa-live.h: Include vecprim.h.
1525 (tree_partition_associator_d): Change the type of
1526 first_partition to VEC(int,heap) *.
1527 (tpa_first_partition): Use VEC instead of VARRAY.
1529 * Makefile.in (GTFILES): Move functions.h after tree.h.
1530 * function.c (reset_block_changes, record_block_change,
1531 check_block_change, free_block_changes): Use VEC instead of
1533 * function.h (function): Change the type of
1534 ib_boundaries_block to VEC(tree,gc) *.
1535 * tree-inline.c (copy_cfg_body): Initialize
1536 ib_boundaries_block to NULL instead of (varray_type) 0.
1538 2006-04-12 Roger Sayle <roger@eyesopen.com>
1540 * expr.c (emit_group_store): Correct operand order in call to
1541 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1542 a SUBREG_BYTE of zero.
1544 2006-04-12 Richard Guenther <rguenther@suse.de>
1546 * profile.c (compute_branch_probabilities): Remove code
1547 encapsulated in !ir_type (), which are remanents of the
1548 removed RTL profiling code.
1549 * rtl-profile.c: Remove.
1551 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1553 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1554 magic NULL_RTX comment.
1555 (function_arg): Store entire fp arg to mem if any part should go
1557 (rs6000_arg_partial_bytes): Adjust for above change.
1559 2006-04-11 Roger Sayle <roger@eyesopen.com>
1561 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1562 if it hasn't been initialized by dwarf2out_init.
1564 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1566 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1567 symbolic constants in branch patterns.
1569 2006-04-11 Roger Sayle <roger@eyesopen.com>
1571 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1573 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1575 PR rtl-optimization/27073
1576 * gcse.c (try_replace_reg): Revert last change. Continue to search
1577 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1580 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1582 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1583 aggregate types other than record and union types.
1584 (function_arg): Likewise.
1585 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1587 (function_value): In 64-bit mode, return objects that require it
1590 2006-04-11 Roger Sayle <roger@eyesopen.com>
1592 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1594 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1596 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1598 2006-04-03 Jeff Law <law@redhat.com>
1601 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1602 alias information too.
1604 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1606 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1608 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1611 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1612 (premark_used_types_helper): New.
1613 (premark_used_types): New.
1614 (gen_subprogram_die): Call premark_used_types.
1615 (prune_unused_types_walk): Do not prune perennial dies.
1616 * function.c (used_types_insert): New.
1617 * function.h (struct function): Add used_types_hash field.
1618 (used_types_insert): Add prototype.
1619 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1620 * c-parser.c (c_parser_cast_expression): Save casted types in used
1623 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1626 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1627 rs6000_explicit_options.float_gprs.
1629 2006-04-10 Roger Sayle <roger@eyesopen.com>
1631 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1632 from ix86_expand_vector_init_low_nonzero. Take an additional
1633 one_var argument indicating which element is non-zero. Support
1634 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1635 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1636 with one_var instead of ix86_expand_vector_init_low_nonzero.
1638 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1640 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1641 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1642 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1643 build/genextract.o): Depend on vecprim.h.
1644 * cfglayout.c, df-problems.c, function.c, genextract.c,
1645 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1646 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1650 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1652 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1653 Declare VECs of this type.
1654 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1655 (remove_children): Delete.
1656 (add_dwarf_attr): Use VEC routines.
1657 (add_AT_flag): Update for changes to add_dwarf_attr.
1658 (add_AT_int): Likewise.
1659 (add_AT_unsigned): Likewise.
1660 (add_AT_long_long): Likewise.
1661 (add_AT_vec): Likewise.
1662 (add_AT_string): Likewise.
1663 (add_AT_die_ref): Likewise.
1664 (add_AT_fde_ref): Likewise.
1665 (add_AT_loc): Likewise.
1666 (add_AT_loc_list): Likewise.
1667 (add_AT_addr): Likewise.
1668 (add_AT_lbl_id): Likewise.
1669 (add_AT_lineptr): Likewise.
1670 (add_AT_macptr): Likewise.
1671 (add_AT_offset): Likewise.
1672 (add_AT_range_list): Likewise.
1673 (get_AT): Use VEC_iterate.
1674 (remove_AT): Use VEC_ordered_remove.
1675 (free_die): Fold remove_children into here; have it use VEC_iterate.
1676 (print_die): Use VEC_iterate on attrs.
1677 (reverse_die_lists): Don't reverse attr lists.
1678 (die_checksum): Use VEC_iterate on attrs.
1679 (same_die_p): Likewise.
1680 (output_location_lists): Likewise.
1681 (build_abbrev_table): Likewise.
1682 (size_of_die): Likewise.
1683 (unmark_all_dies): Likewise.
1684 (output_abbrev_section): Likewise.
1685 (output_die): Likewise.
1686 (prune_unused_types_walk_attribs): Likewise.
1688 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1690 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1692 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1695 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1697 2006-04-09 Roger Sayle <roger@eyesopen.com>
1699 * expr.c (store_constructor): Don't bother clearing target if
1700 we're about to assign a vector to it using vec_init_optab.
1702 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1704 * tree-ssa-alias.c (lhs_may_store_to): New function.
1705 (recalculate_used_alone): Handle LHS of calls.
1707 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1711 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1712 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1713 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1714 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1715 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1716 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1717 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1718 stubs. Add ".align 8" directives before all ".dword" directives.
1719 (GTHREAD_USE_WEAK): Revise comment.
1720 (TARGET_ATTRIBUTE_WEAK): Define.
1721 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1722 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1723 * stublib.c: New file.
1728 * pa.md (cbranch patterns): Revise arguments used in calls to
1729 output_cbranch, output_bb and output_bvd. Add long branch length
1731 (fbranch patterns): Handle long branches.
1732 (jump): Revise length check. Revise arguments for output_lbranch call.
1733 Add long branch length attributes.
1734 (decrement_and_branch_until_zero): Add long branch length attributes.
1735 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1736 Likewise. Revise arguments for output_parallel_addb and
1737 output_parallel_movb calls.
1738 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1739 output_parallel_movb and output_parallel_addb): Update prototypes.
1740 * pa.c (output_cbranch): Revise arguments. Correct handling of
1741 nullification in long branches.
1742 (output_lbranch): Add new argument to control extraction of delay
1744 (output_bb): Handle long branches.
1745 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1746 output_parallel_addb): Likewise.
1748 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1750 PR rtl-optimization/27073
1751 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1754 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1756 * tree.h (tree_memory_tag): Add old_used_alone.
1757 (SMT_OLD_USED_ALONE): New macro.
1758 * tree-ssa-alias.c (recalculate_used_alone): Stop
1759 marking things for renaming unnecessarily.
1761 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1763 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1764 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1765 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1766 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1767 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1768 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1769 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1770 spelling convensions.
1771 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1772 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1773 typos. Follow spelling conventions.
1775 2006-04-07 DJ Delorie <dj@redhat.com>
1777 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1778 passed on the stack.
1779 (m32c_init_cumulative_args): When a function returns a structure,
1780 always pass the pointer to that return area on the stack.
1781 (m32c_function_arg_advance): Don't increment the parameter number
1782 if we're processing the returned structure pointer.
1783 (pushm_info): Reverse order of registers.
1785 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1787 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1788 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1789 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1790 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1792 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1793 chrec_fold_multiply): Same.
1794 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1795 force_expr_to_var_cost): Same.
1796 * tree-mudflap.c (mf_xform_derefs_1): Same.
1797 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1799 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1801 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1802 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1805 2006-04-07 Jan Hubicka <jh@suse.cz>
1807 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1809 2006-04-07 Richard Guenther <rguenther@suse.de>
1811 PR tree-optimization/26135
1812 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1813 loads for store copy-prop.
1814 (copy_prop_visit_stmt): Likewise.
1816 2006-04-05 Robert Millan <robertmh@gnu.org>
1818 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1819 being overriden in config/k*bsd-gnu.h.
1820 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1822 * gcc/config/knetbsd-gnu.h: Ditto.
1824 2006-04-06 Jan Hubicka <jh@suse.cz>
1828 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1831 2006-04-06 Mike Stump <mrs@apple.com>
1833 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1834 for HAVE_nonlocal_goto to be consistent.
1835 (expand_builtin_nonlocal_goto): Likewise.
1836 (expand_builtin_strcmp): Use #ifdef instead of #if
1837 for HAVE_cmpstrnsi to be consistent.
1839 2006-04-05 DJ Delorie <dj@redhat.com>
1841 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1844 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1846 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1847 got-relative addressing for anything but SImode.
1849 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1850 even if the calling function doesn't modify them.
1852 2006-04-05 Richard Guenther <rguenther@suse.de>
1854 PR tree-optimization/26919
1855 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1856 to cgraph_estimate_size_after_inlining.
1858 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1860 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1862 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1864 PR tree-optimization/26996
1865 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1866 VECTOR_TYPE variables.
1868 2006-04-05 Richard Guenther <rguenther@suse.de>
1870 PR tree-optimization/26763
1871 * fold-const.c (fold_comparison): Move folding of
1872 PTR + CST CMP PTR + CST ...
1873 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1875 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1877 * doc/install.texi (Prerequisites): Refine some wording on
1878 bootstrapping and ksh.
1879 Move the version numbers of DejaGnu here from the testing section
1880 and fix casing of names.
1881 Fix markup and clarify wording for autogen requirements.
1882 Refer to GCJ instead of just java.
1883 Refer to SVN instead of CVS.
1884 Describe diffutils as useful instead of necessary.
1885 (Downloading the source): Refer to SVN instead of CVS.
1886 Adjust a link to our web site accordingly.
1887 (Configuration): Fix casing of Bison.
1888 (Building): Refer to SVN instead of CVS.
1889 Fix a sentence on the use of Bison and remove duplicate (and
1890 incorrect) version number of Bison requirement.
1891 Remove one redundant list of packages needed for building.
1892 (Specific): Avoid reference to CVS.
1894 2006-04-04 Eric Christopher <echristo@apple.com>
1896 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1897 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1898 (rs6000_handle_struct_attribute): New.
1899 (rs6000_ms_bitfield_layout_p): Ditto.
1901 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1903 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1904 NULL for dso parameter to atexit_common.
1906 2006-04-04 Eric Christopher <echristo@apple.com>
1908 * config/i386/i386.c (machopic_output_stub): Output \t
1909 between instructions and operands.
1911 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1913 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1914 satisfies_constraint_[IL] to explicit tests on value.
1916 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1918 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1919 set_nb_iterations_in_loop): Use build_int_cst instead of
1921 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1922 build_int_cst instead of convert.
1924 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1926 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1927 new value 2 for incoming.
1928 * function.c (expand_function_start): Call struct_value_rtx
1930 * config/sparc/sparc.md: Comment updated_return.
1931 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1932 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1933 struct return if sparc_std_struct_return and incoming is 2.
1934 (print_operand): Do not adjust return if
1935 sparc_std_struct_return.
1937 2006-04-04 Roger Sayle <roger@eyesopen.com>
1939 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1940 convert in the middle-end.
1941 * expr.c (store_expr, store_constructor, get_inner_reference,
1942 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1944 * tree.c (build_range_type): Likewise.
1946 2006-04-04 Tom Tromey <tromey@redhat.com>
1948 * doc/install.texi (Prerequisites): Mention jar.
1950 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1952 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1955 2006-04-04 Matthias Klose <doko@debian.org>
1957 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1958 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1961 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1963 * doc/extend.texi (Function Attributes): Rewrite visibility
1964 attribute documentation.
1965 * doc/invoke.texi (C++ Dialect Options): Rewrite
1966 -fvisibility-inlines-hidden documentation to describe something
1967 entirely different, although in practise compatible.
1968 (Code Gen Options): Warn about system headers in -fvisibiltity=
1971 * doc/extend.texi (Other Builtins): Document that
1972 __builtin_nan is a compile-time constant only when its argument
1975 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1977 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1978 trying to remove TRUNCATE check if all bits outside the new mode
1979 are identical to the sign bit.
1981 2006-04-03 Jeff Law <law@redhat.com>
1983 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1984 and operand scanning in some common cases.
1986 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1987 Dale Johannesen <dalej@apple.com>
1990 * regclass.c (struct reg_pref): Update documentation.
1991 (regclass): Set prefclass to NO_REGS if memory is the best option.
1992 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1993 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1994 into account. For non-registers, equate an empty preferred
1995 reload class to a `!' in the constraint; move the if clause to
1996 do so after those that reject the insn.
1997 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1999 (find_dummy_reload): Likewise.
2000 * doc/tm.texi (Register Classes): Document what it means
2001 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2002 * config/i386/i386.c (ix86_preferred_reload_class): Force
2003 using SSE registers (and return NO_REGS for floating-point
2004 constants) if math is done with SSE.
2005 (ix86_preferred_output_reload_class): New.
2006 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2007 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2008 * config/i386/i386.md: Remove # register preferences.
2010 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2013 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2014 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2015 the type of nb_iter.
2016 (instantiate_parameters_1): Convert the operands before calling
2017 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2018 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2020 2006-04-02 Roger Sayle <roger@eyesopen.com>
2022 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2023 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2025 * dojump.c (do_jump): Likewise.
2026 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2027 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2028 gimplify_boolean_expr): Likewise.
2029 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2030 * varasm.c (array_size_for_constructor): Likewise.
2031 * tree-object-size.c (compute_object_offset): Likewise.
2033 2006-04-02 Roger Sayle <roger@eyesopen.com>
2036 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2037 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2039 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2041 PR tree-optimization/26939
2042 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2044 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2046 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2047 at_stmt. Convert the type of operands before calling
2048 build_polynomial_chrec.
2049 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2051 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2052 (instantiate_parameters_1): Convert the type of operands before calling
2053 build_polynomial_chrec.
2054 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2055 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2056 reset_evolution_in_loop): Insert asserts to check the types of the
2058 (chrec_type): Moved...
2059 (eq_evolutions_p): Use operand_equal_p.
2060 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2061 the types of the operands.
2062 (chrec_type): ...here.
2063 * tree-data-ref.c (create_data_ref): Convert the operands before
2064 calling chrec_replace_initial_condition.
2065 (same_access_functions, analyze_subscript_affine_affine,
2066 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2067 (compute_subscript_distance, analyze_ziv_subscript,
2068 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2069 analyze_miv_subscript): Convert the operands before calling
2070 chrec_fold_minus or chrec_fold_plus.
2072 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2074 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2075 the dependence_relations vector.
2076 (compute_data_dependences_for_loop): Adjust call to
2077 compute_all_dependences.
2079 2006-04-01 Roger Sayle <roger@eyesopen.com>
2080 Richard Henderson <rth@redhat.com>
2082 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2083 gimple_boolify on the condition before calling gimplify_expr.
2085 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2087 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2088 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2089 the frame size. Update to use the new macros.
2090 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2091 * config/xtensa/ieee754-df.S: Likewise.
2093 2006-03-31 Richard Henderson <rth@redhat.com>
2095 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2096 (make_edges): ... here. Control fallthru creation with a local
2097 variable. Do not play with fake edges.
2098 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2099 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2102 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2104 * dwarf2.h (DW64_CIE_ID): Define.
2105 * dwarf2out.c (DWARF_CIE_ID): Define.
2106 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2107 length header. Use DWARF_CIE_ID.
2108 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2109 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2111 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2113 * config/sh/linux-atomic.asm: New file.
2114 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2116 2006-03-31 DJ Delorie <dj@redhat.com>
2118 * config/m32c/cond.md: Set condition flags properly throughout.
2119 * config/m32c/minmax.md: Likewise.
2120 * config/m32c/prologue.md: Likewise.
2121 * config/m32c/bitops.md: Likewise.
2122 * config/m32c/muldiv.md: Likewise.
2123 * config/m32c/mov.md: Likewise.
2124 * config/m32c/addsub.md: Likewise.
2125 * config/m32c/m32c.md: Likewise.
2126 * config/m32c/jump.md: Likewise.
2127 * config/m32c/shift.md: Likewise.
2129 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2130 conditionally output the pattern for this.
2131 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2132 (m32c_compare_redundant): New.
2133 (m32c_output_compare): New.
2134 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2136 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2137 dest, not src. Allow other 4-byte modes.
2139 2006-03-30 Denis Chertykov <denisc@overta.ru>
2141 * doc/md.texi: Refer to avr/constraints.md instead of
2144 2006-03-30 Roger Sayle <roger@eyesopen.com>
2146 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2147 signed vs. unsigned comparison failures on some hosts.
2149 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2152 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2153 change to FLOAT_REGS.
2155 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2156 (rs6000_override_options): Use it.
2157 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2158 only for -mabi=spe/no-spe and -mabi=altivec.
2160 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2162 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2165 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2167 * Makefile.in: Rename docdir to gcc_docdir.
2169 2006-03-30 Roger Sayle <roger@eyesopen.com>
2172 * expr.c (emit_group_store): Optimize group stores into a pseudo
2173 register by using a paradoxical subreg to initialize the destination
2174 if the first or last member of the group specifies a "low part".
2176 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2179 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2180 * target.h (struct gcc_target.speculate_insn): Change type of the
2181 second parameter to 'int'.
2182 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2183 the second operand of the DEPS_LIST.
2184 (copy_DEPS_LIST_list): Update reference to the second operand of the
2186 * rtl.h (alloc_DEPS_LIST): Update signature.
2187 * sched-int.h (ds_t): Change typedef to 'int'.
2188 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2190 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2192 * haifa-sched.c (try_ready): Change condition to restore
2193 non-speculative pattern of the instruction.
2194 (process_insn_depend_be_in_spec): Code to keep probability of the
2195 speculative dependence non-decreasing.
2197 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2199 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2200 (single_move_for_movmem): ... this. Also change all uses.
2201 (bfin_expand_strmov): Renamed to...
2202 (bfin_expand_movmem): ... this. Also change all uses.
2203 * config/bfin/bfin.md (movstrsi): Renamed to...
2204 (movstrsi): ...this.
2206 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2208 PR tree-optimization/26830
2210 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2211 (copy_prop_visit_stmt): Remove write-only variable ann.
2212 (init_copy_prop): Check variable loop depth here. Do not simulate
2213 memory-tag and virtual operand PHIs except for store copy prop.
2215 2006-03-30 Richard Guenther <rguenther@suse.de>
2217 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2218 variants with double arguments.
2220 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2222 * genpreds.c (write_tm_constrs_h): Delete variable p.
2223 * genconditions.c (write_header): Add tm-constrs.h to included
2225 * genpeep.c (main): Add toplev.h to included headers.
2226 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2227 (build/genpeep.o): Add toplev.h dependency.
2228 * config/rs6000/constraints.md: Add "W" constraint.
2230 2006-03-29 Roger Sayle <roger@eyesopen.com>
2232 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2233 sizes by correctly testing whether the size fits a host integer.
2234 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2235 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2236 SImode range for the default sizetype and bitsizetype.
2238 2006-03-29 Roger Sayle <roger@eyesopen.com>
2240 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2241 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2242 quickly if the argument is already of the correct type.
2243 Call fold_build1 instead of build1. Tidy up blank lines.
2245 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2247 * genemit.c (main): Add tm-constrs.h to included headers.
2248 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2249 * genpeep.c (main): Add tm-constrs.h to included headers.
2250 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2251 (write_tm_constrs_h): this and write complete file.
2252 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2253 (write_insn_preds_c): Add tm-constrs.h to included headers.
2254 (gen_constrs): New variable.
2255 (parse_option): Parse "-c".
2256 (main): Invoke write_tm_constrs_h.
2257 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2258 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2259 (object_out_file): Add tm-constrs.h dependency.
2260 (insn-emit.o): Same.
2261 (insn-output.o): Same.
2262 (insn-peep.o): Same.
2263 (insn-preds.o): Same.
2264 (insn-recog.o): Same.
2265 (tm-constsr.h): New target.
2266 (s-constrs-h): New target.
2268 * config/rs6000/constraints.md: New file.
2269 * config/rs6000/rs6000.c: Include tm-constrs.h.
2270 (num_insn_constant_wide): Convert to satisfies_constraint.
2271 (rs6000_rtx_costs): Convert to satisfies_constraint.
2272 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2273 (CONST_OK_FOR_LETTER_P): Delete.
2274 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2275 (EXTRA_CONSTRAINT): Delete.
2276 (EXTRA_MEMORY_CONSTRAINT): Delete.
2277 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2278 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2279 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2280 satisfies_constraint.
2282 * config/i386/i386.c: Include tm-constrs.h.
2284 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2286 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2287 * tree-data-ref.c (find_data_references_in_loop,
2288 compute_data_dependences_for_loop): Use pointers to VEC.
2289 (analyze_all_data_dependences): Adjust calls.
2290 * tree-data-ref.h (find_data_references_in_loop,
2291 compute_data_dependences_for_loop): Adjust declarations.
2292 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2293 compute_data_dependences_for_loop.
2295 2006-03-29 Paul Brook <paul@codesourcery.com>
2297 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2300 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2302 PR tree-optimization/26859
2303 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2305 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2306 for the step after fold_convert.
2308 2006-03-29 Paul Brook <paul@codesourcery.com>
2310 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2311 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2313 2006-03-29 Paul Brook <paul@codesourcery.com>
2316 * targhooks.c (default_narrow_bitfield): New fuction.
2317 * targhooks.h (default_narrow_bitfield): add prototype.
2318 * target.h (gcc_target): Add narrow_volatile_bitfield.
2319 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2320 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2321 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2322 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2324 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2326 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2328 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2329 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2330 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2331 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2332 (s390_function_arg_float): Allow SDmode and DDmode values to be
2333 passed in floating point registers.
2334 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2335 check with SCALAR_FLOAT_MODE_P.
2336 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2338 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2340 PR tree-optimization/25985
2341 * tree-ssa-loop-niter.c (number_of_iterations_le,
2342 number_of_iterations_ne): Make comments more precise.
2343 (number_of_iterations_cond): Add only_exit argument. Use the
2344 fact that signed variables do not overflow only when only_exit
2346 (loop_only_exit_p): New.
2347 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2348 number_of_iterations_cond.
2350 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2352 PR tree-optimization/26643
2353 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2356 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2358 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2359 (divsi3_i4_int): Likewise.
2361 2006-03-28 Roger Sayle <roger@eyesopen.com>
2363 * expr.c (emit_group_store): Only create a new pseudo reg if the
2364 quantity it needs to hold isn't already a suitable pseudo.
2366 2006-03-28 Jeff Law <law@redhat.com>
2368 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2369 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2371 2006-03-28 Roger Sayle <roger@eyesopen.com>
2373 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2374 the equivalent ~X & Y, and the symmetry related transformations.
2375 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2376 ~X & Y, and symmetry related transforms.
2378 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2380 Revert my 2006-03-27 patches.
2382 2006-03-28 Roger Sayle <roger@eyesopen.com>
2384 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2385 ~(T1)X, when T1 and T2 are integer types of the same precision
2386 and (T2)X isn't an extension.
2388 2006-03-28 Jeff Law <law@redhat.com>
2390 PR tree-optimization/26796
2391 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2392 need EH edge cleanups rather than purging them immediately.
2393 (eliminate_degenerate_phis): Handle queued EH cleanups.
2395 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2397 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2400 2006-03-27 Roger Sayle <roger@eyesopen.com>
2403 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2404 cast BIT_NOT_EXPR operand to the correct type.
2406 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2408 * tree-loop-linear.c: Don't include varray.h.
2409 (gather_interchange_stats, try_interchange_loops,
2410 linear_transform_loops): Use VEC instead of VARRAY.
2411 * lambda-mat.c: Don't include varray.h.
2412 * tree-chrec.c: Same.
2413 * lambda-trans.c: Same.
2414 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2415 VEC instead of VARRAY.
2416 * tree-vectorizer.h: Idem.
2417 * tree-data-ref.c (dump_data_references,
2418 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2419 initialize_data_dependence_relation, finalize_ddr_dependent,
2420 compute_all_dependences, find_data_references_in_loop,
2421 compute_data_dependences_for_loop, analyze_all_data_dependences,
2422 free_dependence_relation, free_dependence_relations,
2423 free_data_refs): Idem.
2424 * tree-data-ref.h (data_reference_p, subscript_p): New.
2425 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2426 VEC instead of VARRAY.
2427 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2428 (find_data_references_in_loop, compute_data_dependences_for_loop,
2429 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2430 dump_data_dependence_relations, free_dependence_relations,
2431 free_data_refs): Adjust declaration.
2432 (lambda_transform_legal_p): Move declaration here...
2433 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2434 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2435 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2436 vect_analyze_data_refs): Use VEC instead of VARRAY.
2437 * lambda.h (lambda_transform_legal_p): ...from here.
2438 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2439 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2440 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2441 tree-chrec.o): Don't depend on VARRAY_H.
2443 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2445 * rtl.def (Copyright): Update date.
2446 (DEPS_LIST): Change type of the second operand to 'int'.
2447 * target.h (Copyright): Update date.
2448 (struct gcc_target.speculate_insn): Change type of the second parameter
2450 * lists.c (Copyright): Update date.
2451 (alloc_DEPS_LIST): Change signature. Update reference to the second
2452 operand of the DEPS_LIST.
2453 (copy_DEPS_LIST_list): Update reference to the second operand of the
2455 * rtl.h (Copyright): Update date.
2456 (alloc_DEPS_LIST): Update signature.
2457 * sched-int.h (Copyright): Update date.
2458 (ds_t): Change typedef to 'int'.
2459 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2461 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2463 * haifa-sched.c (Copyright): Update date.
2464 (try_ready): Change condition to restore non-speculative pattern
2466 (process_insn_depend_be_in_spec): Code to keep probability of the
2467 speculative dependence non-decreasing.
2469 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2471 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2472 shut up the compiler.
2474 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2476 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2477 to use lib prefix for target.
2478 ($(T)libic_invalidate_array_4-200.a): Likewise.
2479 ($(T)libic_invalidate_array_4a.a): Likewise.
2481 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2482 J"orn Rennecke <joern.rennecke@st.com>
2484 * superh.opt: New file.
2485 * sh.c (boardtype, osruntime): Remove.
2486 * superh.h (SUBTARGET_OPTIONS): Remove.
2487 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2489 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2490 arguments with ^ and/or [].
2492 * config.gcc (sh-*-*): Add quoting to account for quirk of
2494 Replace == with = in enable_incomplete_targets test.
2496 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2497 with MASK_LITTLE_ENDIAN.
2499 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2500 * config/sh/sh.opt: Added to some comments.
2501 * config/sh/superh.h: Removed some chaff.
2503 * config/sh/sh.opt: Add m4-[1234]00* options.
2504 * config/sh/sh.c (sh_handle_option): Likewise.
2505 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2506 (ic_invalidate_array_4-100.o): New rule.
2507 ($(T)libic_invalidate_array_4-100.a): Likewise.
2508 (ic_invalidate_array_4-200.o): Likewise.
2509 ($(T)libic_invalidate_array_4-200.a): Likewise.
2510 (ic_invalidate_array_4a.o): Likewise.
2511 ($(T)libic_invalidate_array_4a.a): Likewise.
2512 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2513 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2515 * config/sh/crt1.asm: Merged in profiling code.
2516 * config/sh/superh.h (STARTFILE_SPEC): Override.
2517 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2518 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2519 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2521 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2522 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2523 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2525 * sh.opt (mpretend-cmove): New option.
2526 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2527 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2528 (movsicc): Add TARGET_PRETEND_CMOVE code.
2530 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2532 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2533 s390_class_max_nregs): New function prototypes.
2534 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2535 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2536 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2537 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2539 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2541 * dwarf2out.c (add_location_or_const_value_attribute): Call
2542 tree_add_const_value_attribute if nothing else works.
2543 (reference_to_unused): New.
2544 (rtl_for_decl_init): Use reference_to_unused to decide whether
2545 to output an initializer.
2547 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2550 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2551 peephole removing spe frob_di_df_2.
2553 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2555 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2556 (subscript_dependence_tester_1): Declared.
2557 (print_dir_vectors, print_dist_vectors): New.
2558 (debug_data_dependence_relation): New.
2559 (dump_data_dependence_relation): Print more details.
2560 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2561 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2562 (save_dist_v, save_dir_v, add_outer_distances,
2563 build_classic_dist_vector_1): New.
2564 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2565 Don't test for lambda_vector_lexico_pos.
2566 (same_access_functions, add_multivariate_self_dist,
2567 add_other_self_distances, dir_from_dist): New.
2568 (build_classic_dir_vector): Replace implementation almost identical to
2569 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2571 (subscript_dependence_tester_1): New.
2572 (subscript_dependence_tester): Handle the lexicographically negative
2573 distance vectors by recomputing the dependence relation.
2574 (compute_affine_dependence): Remove parameter loop_nest_depth.
2575 (compute_self_dependence): Don't call compute_subscript_distance.
2576 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2577 Add a parameter for the loop_nest.
2578 (find_loop_nest_1, find_loop_nest): New.
2579 (compute_data_dependences_for_loop): Compute the loop nest, and give
2580 up if the nest is not well formed.
2581 * tree-data-ref.h (loop_p): New.
2582 (struct data_dependence_relation): Replace size_vect field with
2583 loop_nest, a vec of loops.
2584 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2585 (DDR_LOOP_NEST): New.
2586 (print_dir_vectors, print_dist_vectors,
2587 debug_data_dependence_relation): Declared.
2588 (index_in_loop_nest): New.
2589 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2590 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2593 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2595 * simplify-rtx.c (simplify_relational_operation): Call
2596 simplify_relational_operation_1 even if mode is VOIDmode.
2598 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2600 PR tree-optimization/26804
2601 * tree.h (DECL_CALL_CLOBBERED): New macro.
2602 (tree_decl_common): Add call_clobbered_flag.
2603 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2604 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2605 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2606 (mark_non_addressable): Ditto.
2607 * tree-ssa.c (verify_call_clobbered): New function.
2608 (verify_alias_info): Use it.
2609 * tree-pass.h (pass_reset_cc_flags): New prototype.
2610 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2611 (reset_cc_flags): New function.
2612 * passes.c (init_optimization_passes): Call reset_cc_flags after
2613 initializing referenced_vars.
2615 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2616 Roger Sayle <roger@eyesopen.com>
2619 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2620 to 1.0 for non-real operands. Implement A / A optimization for
2623 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2625 * config/i386/i386.c (size_cost): Correct the comment for
2626 cost of storing fp registers.
2627 (i386_cost): Likewise.
2628 (i486_cost): Likewise.
2629 (pentium_cost): Likewise.
2630 (pentiumpro_cost): Likewise.
2631 (k6_cost): Likewise.
2632 (athlon_cost): Likewise.
2633 (k8_cost): Likewise.
2634 (pentium4_cost): Likewise.
2635 (nocona_cost): Likewise.
2636 (generic64_cost): Likewise.
2637 (generic32_cost): Likewise.
2639 2006-03-24 Denis Chertykov <denisc@overta.ru>
2641 * config/avr/avr-protos.h (extra_constraint): Delete.
2642 (extra_constraint_Q): New declaration.
2643 * config/avr/constraints.md: New file.
2644 * config/avr/avr.md: Include it.
2645 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2646 (TMP_REGNO, ZERO_REGNO): Likewise.
2647 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2648 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2649 (extra_constraint): Delete.
2650 (extra_constraint_Q): Test for memory constraint 'Q'.
2651 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2652 (REG_CLASS_FROM_LETTER): Delete.
2653 (CONST_OK_FOR_LETTER_P): Delete.
2654 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2655 (EXTRA_CONSTRAINT): Delete.
2656 (TMP_REGNO): Delete.
2657 (ZERO_REGNO): Delete.
2659 2006-03-24 Jeff Law <law@redhat.com>
2661 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2662 directly. Call mark_new_vars_to_rename slightly earlier.
2664 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2666 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2668 (gen_compile_unit_die): Use new language types for Objective-C and
2670 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2671 DW_LANG_C_plus_plus.
2674 * config/t-darwin (crt3.o): Work around bug 26840.
2675 * config/darwin-crt3.c: Rewrite.
2676 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2678 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2680 * doc/invoke.texi: Document -femit-class-debug-always
2681 * common.opt: Add -femit-class-debug-always.
2683 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2685 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2686 index and base register.
2687 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2688 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2689 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2690 REGNO_OK_FOR_INDEX_P.
2691 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2693 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2694 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2695 REG_OK_FOR_BASE_P): Definitions removed.
2697 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2700 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2701 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2702 set yet or weren't marked as local yet.
2704 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2706 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2709 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2711 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2712 (rs6000_legitimate_small_data_p): Delete.
2713 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2714 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2715 and make static. Add forward declaration. Update uses.
2716 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2717 of offsettable_memref_p.
2718 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2719 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2721 2006-03-24 Jeff Law <law@redhat.com>
2723 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2724 around bug in immediate-use iterator.
2726 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2729 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2730 or __LITTLE_ENDIAN__.
2732 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2734 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2735 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2736 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2737 * config/sh/sh.opt (mdiv=): Amend description.
2738 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2739 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2740 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2741 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2742 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2743 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2744 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2745 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2746 TARGET_DIVIDE_CALL_FP.
2748 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2750 * haifa-sched.c (choose_ready): Fix type of the local variable.
2751 Move local variables. Add comment.
2752 (check_reg_live): Change signature. Make callable from debugger.
2753 * sched-int.h (check_reg_live): Update signature.
2754 * sched-ebb.c (check_reg_live): Update parameters.
2755 * sched-rgn.c (check_reg_live): Ditto.
2756 (region_head_or_leaf_p): Check pointer before dereferencing.
2757 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2758 before reload on optimization levels below 1.
2760 2006-03-23 Richard Henderson <rth@redhat.com>
2762 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2766 * config/alpha/predicates.md (local_symbolic_operand): Reject
2769 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2772 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2773 expressions which have overflowed constants.
2775 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2777 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2779 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2781 * cfgloopmanip.c (create_loop_notes): Removed.
2782 * final.c (final_scan_insn): Do not handle loop notes.
2783 * jump.c (squeeze_notes): Ditto.
2784 * cfglayout.c (skip_insns_after_block,
2785 duplicate_insn_chain): Ditto.
2786 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2788 * cfgloop.h (create_loop_notes): Declaration removed.
2790 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2792 * varasm.c (output_constant_pool): Restore fnname and fndecl
2794 (assemble_start_function): Adjust call accordingly.
2795 (assemble_end_function): Likewise.
2797 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2800 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2803 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2805 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2808 * system.h (ICE_EXIT_CODE): New macro.
2809 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2810 (diagnostic_action_after_output): Likewise.
2811 * gcc.c (fatal_ice): New function.
2812 (execute): Use it instead of fatal.
2813 (fancy_abort): Likewise.
2814 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2816 2006-03-22 Jeff Law <law@redhat.com>
2818 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2819 iv_analyze_result returning false.
2821 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2823 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2825 2006-03-22 Richard Henderson <rth@redhat.com>
2828 * except.c (duplicate_eh_regions_0): New.
2829 (duplicate_eh_region_1): Duplicate the children of the node as
2830 well as the node itself. Link them up properly.
2831 (duplicate_eh_region_2): Merge into ...
2832 (duplicate_eh_regions): ... here. Take copy_region argument, and
2833 copy only a sub-tree if asked. Simplify copying and fixup.
2834 (eh_region_outer_p): New.
2835 * except.h (duplicate_eh_regions): Update decl.
2836 (eh_region_outer_p): Declare.
2837 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2838 (lower_omp_master): Likewise.
2839 (lower_omp_ordered): Likewise.
2840 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2841 (move_stmt_r): Use it to remap labels. Handle recursion vs
2842 remap_decls_p properly.
2843 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2844 (find_outermost_region_in_block): New.
2845 (new_label_mapper): New.
2846 (move_sese_region_to_fn): Copy eh information to the new function
2848 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2850 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2853 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2855 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2856 into shared libraries.
2858 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2860 * doc/md.texi: Refer to i386/constraints.md instead of
2862 * config/i386/constraints.md: New file, extracted from...
2863 * config/i386/predicates.md: ...here.
2864 * config/i386/i386.md: Include constraints.md.
2866 2006-03-21 Jason Merrill <jason@redhat.com>
2868 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2871 * expr.c (init_block_move_fn): Force default visibility.
2872 (init_block_clear_fn): Likewise.
2873 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2874 * targhooks.c (default_external_stack_protect_fail): Likewise.
2876 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2878 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2879 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2880 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2881 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2882 (loadgp): Use mips_current_loadgp_style.
2883 (loadgp_noshared): New pattern.
2884 (sibcall_internal): Use MIPS_CALL.
2885 (sibcall_value_internal): Likewise.
2886 (sibcall_value_multiple_internal): Likewise.
2887 (call_internal): Likewise.
2888 (call_value_internal): Likewise.
2889 (call_value_multiple_internal): Likewise.
2890 (call_split): Use MIPS_CALL and add an 'S' constraint.
2891 (call_value_split): Likewise.
2892 (call_value_multiple_split): Likewise.
2893 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2894 (-mshared): New option.
2895 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2896 (mips_current_loadgp_style): Declare.
2897 * config/mips/mips.c (mips_classify_symbol): Avoid using
2898 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2899 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2900 TARGET_ABSOLUTE_ABICALLS.
2901 (override_options): Adjust comments. Improve the warning that is
2902 issued when -mabicalls and -G are used together.
2903 (mips_file_start): Remove comment.
2904 (mips_current_loadgp_style): New function.
2905 (mips_gnu_local_gp): New variable.
2906 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2908 (mips_output_function_prologue): Use mips_current_laodgp_style.
2909 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2910 the cprestore instruction.
2911 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2912 live for TARGET_ABSOLUTE_ABICALLS.
2913 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2914 (ASM_SPEC): Pass down -mshared and -mno-shared.
2915 (MIPS_CALL): New macro.
2916 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2918 * doc/invoke.texi (-mabicalls): Update documentation.
2919 (-mshared): Document.
2921 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2923 * config/ia64/unwind-hpux.c: New file.
2924 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2926 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2929 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2931 2006-03-21 Jeff Law <law@redhat.com>
2933 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2934 type conversions of a VR_VARYING source to a wider type.
2936 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2938 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2939 tm_file on Solaris 10 and later.
2940 (sparc64-*-solaris2*): Likewise.
2941 (sparc-*-solaris2*): Likewise.
2942 * config/sol26.h: Rename to config/sol2-6.h.
2943 * config/sol2-10.h: New file.
2945 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2948 * tree-ssa-pre.c (create_component_ref_by_pieces):
2951 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2954 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2955 return it immediately.
2957 2006-03-21 Michael Matz <matz@suse.de>
2959 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2961 (remove_arc, add_arc): Update num_out_arcs member.
2962 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2964 (cache_presence): New function.
2965 (compare_states_for_equiv): New function.
2966 (state_is_differed): Don't take number of outargs, adjust callers.
2967 Use new invariant for speeding up.
2968 (init_equiv_class): Create initial classes based on sorted
2970 (partition_equiv_class): Don't track out_arcs_num.
2971 (evaluate_equiv_classes): Call cache_presence on all states and
2974 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2976 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2977 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2978 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2979 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2981 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2982 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2983 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2984 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2985 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2987 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2988 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2989 (REGNO_REG_CLASS): ARGP is in PREGS.
2990 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2992 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2993 to deal with those addresses.
2994 * addresses.h: New file.
2995 * caller-save.c: Include "addresses.h".
2996 (init_caller_save): Use new base_reg_class function.
2997 * rtl-factoring.c: Include "addresses.h".
2998 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2999 * recog.c: Include "addresses.h".
3000 (preprocess_constraints): Use new base_reg_class function.
3001 * regrename.c: Include "addresses.h".
3002 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3003 functions. Keep track of a new var INDEX_CODE to compute valid
3005 (replace_oldest_value_addr): Likewise.
3006 (replace_oldest_value_mem): Use base_reg_class.
3007 * reload.c: Include "addresses.h".
3008 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3009 (find_reloads): Use new base_reg_class function.
3010 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3011 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3012 all callers and prototype changed.
3013 * reload1.c: Include "addresses.h".
3014 (maybe_fix_stack_asms): Use base_reg_class.
3015 * regclass.c: Include "addresses.h".
3016 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3017 (init_reg_autoinc): Use new base_reg_class function.
3018 (record_reg_classes): Likewise.
3019 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3020 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3021 Use new args to compute necessary class.
3023 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3024 regrename.o, rtl-factoring.o): Update dependencies.
3025 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3026 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3027 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3028 REG_OK_FOR_INDEX_P): Delete documentation.
3030 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3032 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3033 from V7 to V9 for Solaris 7 and above.
3035 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3037 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3038 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3039 argument pointers may not alias any other storage.
3040 * common.opt: Define option -fargument-noalias-anything.
3041 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3042 alias semantics is specified by flag_argument_noalias > 2.
3044 2006-03-20 Jeff Law <law@redhat.com>
3046 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3047 (pass_phi_only_cprop): Declare.
3048 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3050 * tree-ssa-dom.c (degenerate_phi_result): New function.
3051 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3052 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3053 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3054 (eliminate_degenerate_phis): Likewise.
3055 (pass_phi_only_cprop): New pass descriptor.
3056 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3057 support code. Callers updated.
3058 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3059 (store_copy_prop): Likewise.
3060 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3062 2006-03-20 Jason Merrill <jason@redhat.com>
3065 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3066 (push_visibility, pop_visibility): Likewise.
3067 * c-pragma.h: Declare them.
3069 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3071 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3073 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3074 parameter and use get_ebb_head_tail.
3075 (sh_md_init_global): Adjust uses of find_regmode_weight.
3077 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3079 * function.h (struct function) <x_tail_recursion_reentry>:
3080 Rename to x_stack_check_probe_note.
3081 (tail_recursion_reentry): Rename to stack_check_probe_note.
3082 * function.c: Replace tail_recursion_reentry with
3083 stack_check_probe_note everywhere.
3084 (expand_function_start): Only emit a note for
3085 stack_check_probe_note with -fstack-protect.
3086 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3088 * emit-rtl.c (remove_unnecessary_notes): Remove.
3089 (pass_remove_unnecessary_notes): Remove.
3090 * rtl.h (remove_unnecessary_notes): Remove prototype.
3091 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3092 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3093 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3095 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3098 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3099 (valid_in_set): Handle ARRAY_REF.
3100 Change "if min_variant or VH" to asserts.
3101 (create_component_ref_by_pieces): Handle ARRAY_REF.
3102 (create_expression_by_pieces): Likewise.
3103 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3105 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3107 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3108 is operand of switch, not str[0].
3110 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3112 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3113 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3115 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3117 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3118 end of insn_extra_address_constraint declaration.
3120 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3122 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3123 (no-sum-in-toc): Same.
3124 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3126 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3127 NO_FP_IN_TOC for -fPIC instead of mask.
3129 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3130 (BOOT_LDFLAGS): Delete.
3132 * config/rs6000/t-aix52: Same.
3134 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3135 (stmsi[345678]_power): New.
3137 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3139 * config/ia64/ia64.opt: Add empty line to end of file.
3141 2006-03-17 Richard Guenther <rguenther@suse.de>
3144 * builtins.c (get_pointer_alignment): For component style references
3145 adjust alignment to the component type alignment. Make sure
3146 to adjust alignment for component access of constants.
3148 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3150 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3153 2006-03-17 Paul Brook <paul@codesourcery.com>
3155 * doc/install.texi: Docuemnt --with-mode.
3156 * config.gcc: Add --with-mode for arm*-*-*.
3157 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3159 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3161 * sh.c (max_labelno_before_reorg): New variable.
3162 (sh_reorg): Initialize it.
3163 (find_barrier): Check max_labelno_before_reorg before using
3164 label_to_alignment. Take length of explicit alignment insns
3165 into account. When seeing a UNSPECV_CONST_END, return it.
3167 * sh.c (fixup_mova): Set mode of affected label to QImode.
3168 (untangle_mova): New function.
3169 (find_barrier): Use it. Check mode of label before decrementing
3171 (sh_reorg): Likewise.
3172 Set mode of all insns back to VOIDmode.
3174 * sh.c (MOVA_LABELREF): New macro.
3175 (mova_p, fixup_mova, sh_reorg): Use it.
3176 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3177 ADDR_DIFF_VEC matches mova.
3179 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3181 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3182 with ATTRIBUTE_UNUSED.
3184 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3186 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3187 pointer, instead of assuming it is possible to derive the
3188 correct args size from a call insn.
3190 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3192 * rtl.h (CONST_INT_P): Define.
3193 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3194 instead of GET_CODE(x) == CONST_INT.
3195 (vax_rtx_costs): Likewise.
3196 (vax_output_int_move): Likewise.
3197 (vax_output_int_add): Likewise.
3198 (legitimate_constant_address_p): Likewise.
3199 (index_term_p): Likewise.
3200 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3201 * config/vax/vax.md (and<mode>3): Likewise.
3202 (ashrsi3): Likewise.
3204 (movstricthi): Likewise.
3205 (movstrictqi): Likewise.
3206 (rotrsi3): Likewise.
3207 (five unnamed insns): Likewise.
3209 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3211 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3212 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3213 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3214 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3215 Pass to ASM_OUTPUT_DWARF_OFFSET.
3216 * dwarf2out.c (debug_frame_section): New.
3217 (output_call_frame_info): Use debug_frame_section. Pass it to
3218 dw2_asm_output_offset.
3219 (output_die): Pass appropriate section to dw2_asm_output_offset.
3220 (output_compilation_unit_header): Likewise.
3221 (output_pubnames): Likewise.
3222 (output_aranges): Likewise.
3223 (enum dw_val_class): Break dw_val_class_lbl_offset into
3224 dw_val_class_lineptr and dw_val_class_macptr.
3225 (add_AT_lbl_offset): Delete.
3226 (add_AT_lineptr): New.
3227 (add_AT_macptr): New.
3228 (AT_lbl): Expect a lineptr or macptr.
3229 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3230 (attr_checksum): Likewise.
3231 (same_dw_val_p): Likewise.
3232 (size_of_die): Likewise.
3233 (value_format): Likewise.
3234 (output_die): Likewise.
3235 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3237 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3238 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3239 * config/darwin-protos.h (darwin_file_start): New.
3240 (darwin_asm_output_dwarf_offset): New.
3241 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3242 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3244 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3245 if not EH section; simplify.
3246 (darwin_file_start): New.
3247 (darwin_asm_output_dwarf_offset): New.
3248 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3250 (DEBUG_INFO_SECTION): Likewise.
3251 (DEBUG_ABBREV_SECTION): Likewise.
3252 (DEBUG_ARANGES_SECTION): Likewise.
3253 (DEBUG_MACINFO_SECTION): Likewise.
3254 (DEBUG_LINE_SECTION): Likewise.
3255 (DEBUG_LOC_SECTION): Likewise.
3256 (DEBUG_PUBNAMES_SECTION): Likewise.
3257 (DEBUG_STR_SECTION): Likewise.
3258 (DEBUG_RANGES_SECTION): Likewise.
3259 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3260 (ASM_OUTPUT_DWARF_OFFSET): New.
3262 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3264 * config.gcc (tm_defines): Always add to previous value rather
3267 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3269 * config/mips/predicates.md (splittable_const_int_operand): New,
3270 split from move_operand.
3271 (splittable_symbolic_operand): New.
3272 (move_operand): Add commentary. Use splittable_const_int_operand.
3273 Inline mips_atomic_symbolic_constant_p.
3274 * config/mips/mips.md: Add combine splitters for handling moves
3275 of splittable_const_int_operands and splittable_symbolic_operands.
3276 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3277 (mips_split_symbol): Declare.
3278 (mips_move_integer): Declare.
3279 * config/mips/mips.c (mips_split_p): Make global.
3280 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3281 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3282 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3283 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3284 (mips_offset_within_object_p): Handle block symbols.
3285 (mips_atomic_symbolic_constant_p): Delete.
3286 (mips_cannot_force_const_mem): Return false for constants that
3287 mips_legitimize_move can handle.
3288 (mips_use_blocks_for_constant_p): New function.
3289 (mips_split_symbol): Make global.
3290 (mips_move_integer): Likewise. Add a temporary register argument.
3291 (mips_legitimize_const_move): Use splittable_const_int_operand and
3292 splittable_symbolic_operand.
3293 (mips_use_anchors_for_symbol_p): New function.
3294 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3295 (mips_split_p): Declare.
3297 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3299 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3300 (mips*-*-linux*): Likewise.
3302 2006-03-16 Roger Sayle <roger@eyesopen.com>
3303 Daniel Speyer <dspeyer@wam.umd.edu>
3306 * tree-dump.c (dump_real): New function.
3307 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3308 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3309 (tree-dump.o): Add $(REAL_H) to the dependencies.
3311 2006-03-16 Roger Sayle <roger@eyesopen.com>
3314 * real.c (real_from_string): If the mantissa is zero, don't bother
3315 parsing the exponent as the result should always be zero.
3317 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3319 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3321 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3323 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3324 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3325 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3326 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3327 ia64_sched_finish_global): New static functions to implement
3328 hooks from gcc_target.sched.
3329 (spec_check_no, max_uid, pending_data_specs): New static variables.
3330 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3331 ia64_spec_check_src_p): New static functions.
3332 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3333 (TARGET_SCHED_ADJUST_COST): Removed.
3334 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3335 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3336 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3337 TARGET_SCHED_GEN_CHECK,
3338 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3339 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3340 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3341 Fixed to handle speculation checks.
3342 (rtx_needs_barrier): Fixed to handle speculative loads and
3344 (ia64_variable_issue): Added code to count speculative loads and their
3346 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3348 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3350 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3352 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3353 (ia64_reorg): Reset stops_p to NULL after it is freed.
3354 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3355 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3356 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3358 (data_speculative, control_speculative, check_load): New attributes.
3359 (mov<mode>_advanced, mov<mode>_speculative,
3360 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3361 zero_extend<mode>di2_speculative,
3362 zero_extend<mode>di2_speculative_advanced): New patterns for
3363 data and control speculative loads.
3364 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3366 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3367 New pattern for data and control speculation checks.
3368 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3369 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3370 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3371 Auxiliary definitions for the patterns.
3372 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3373 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3375 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3377 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3378 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3379 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3380 New resource constraints.
3381 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3383 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3384 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3385 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3386 msched-in-control-spec, msched-ldc, msched-control-ldc,
3387 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3388 msched-prefer-non-control-spec-insns,
3389 msched-count-spec-in-critical-path): New flags to tune speculative
3391 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3392 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3393 msched-in-control-spec, msched-ldc, msched-control-ldc,
3394 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3395 msched-prefer-non-control-spec-insns,
3396 msched-count-spec-in-critical-path): Document new flags.
3398 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3400 * target.h (struct spec_info_def): New opaque declaration.
3401 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3402 speculate_insn, needs_block_p, gen_check,
3403 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3404 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3405 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3406 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3407 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3408 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3410 (TARGET_SCHED): Use new macros.
3411 * rtl.h (copy_DEPS_LIST_list): New prototype.
3412 * sched-int.h (struct sched_info): Change signature of new_ready field,
3413 adjust all initializations. New fields: add_remove_insn,
3414 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3415 region_head_or_leaf_p.
3416 (struct spec_info_def): New structure declaration.
3417 (spec_info_t): New typedef.
3418 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3419 recovery_block, orig_pat.
3420 (glat_start, glat_end): New variables declaraions.
3421 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3423 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3424 DETACH_LIFE_INFO, USE_GLAT.
3425 (enum SPEC_SCHED_FLAGS): New enumeration.
3426 (NOTE_NOTE_BB_P): New macro.
3427 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3428 attach_life_info, debug_spec_status, check_reg_live): New functions.
3429 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3430 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3432 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3433 * ddg.c (get_block_head_tail): Adjust all uses.
3434 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3435 (sms_sched_info): Initialize new fields.
3436 (contributes_to_priority): Removed.
3437 * haifa-sched.c (params.h): New include.
3438 (get_block_head_tail): Adjust all uses.
3439 (ISSUE_POINTS): New macro.
3440 (glat_start, glat_end): New global variables.
3441 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3442 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3443 old_last_basic_block, before_recovery, current_sched_info_var,
3444 rgn_n_insns, luid): New static variables.
3445 (insn_cost1): New function. Move logic from insn_cost to here.
3446 (find_insn_reg_weight1): New function. Move logic from
3447 find_insn_reg_weight to here.
3448 (reemit_notes, move_insn, max_issue): Change signature.
3449 (move_insn1): Removed.
3450 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3451 extend_bb): New static functions to support extension of scheduler's
3453 (generate_recovery_code, process_insn_depend_be_in_spec,
3454 begin_speculative_block, add_to_speculative_block,
3455 init_before_recovery, create_recovery_block, create_check_block_twin,
3456 fix_recovery_deps): New static functions to support
3457 generation of recovery code.
3458 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3459 restore_bb_notes, move_block_after_check, move_succs): New static
3460 functions to support ebb scheduling.
3461 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3462 functions to support handling of register live information.
3463 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3464 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3465 add_jump_dependencies): New static functions.
3466 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3467 consistancy checking.
3468 (debug_spec_status): New function to call from debugger.
3469 (priority): Added code to handle speculation checks.
3470 (rank_for_schedule): Added code to distinguish speculative instructions.
3471 (schedule_insn): Added code to handle speculation checks.
3472 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3473 Fixed to handle ebbs.
3474 (move_insn): Added code to handle ebb scheduling.
3475 (max_issue): Added code to use ISSUE_POINTS of instructions.
3476 (choose_ready): Added code to choose between speculative and
3477 non-speculative instructions.
3478 (schedule_block): Added code to handle ebb scheduling and scheduling of
3479 speculative instructions.
3480 (sched_init): Initialize new variables.
3481 (sched_finish): Free new variables. Print statistics.
3482 (try_ready): Added code to handle speculative instructions.
3483 * lists.c (copy_DEPS_LIST_list): New function.
3484 * sched-deps.c (extend_dependency_caches): New function. Move logic
3485 from create_dependency_caches to here.
3486 (get_dep_weak, ds_merge): Make global.
3487 * genattr.c (main): Code to output prototype for
3488 dfa_clear_single_insn_cache.
3489 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3490 (output_dfa_clean_insn_cache_func): Code to output
3491 dfa_clear_single_insn_cache function.
3492 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3494 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3496 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3497 New static variables.
3498 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3499 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3501 (ebb_sched_info): Initialize new fields.
3502 (get_block_head_tail): Adjust all uses.
3503 (compute_jump_reg_dependencies): Fixed to use glat_start.
3504 (schedule_ebb): Code to remove unreachable last block.
3505 (schedule_ebbs): Added code to update register live information.
3506 * sched-rgn.c (region_sched_info): Initialize new fields.
3507 (get_block_head_tail): Adjust all uses.
3508 (last_was_jump): Removed. Adjust users.
3509 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3510 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3511 Implement new hooks.
3512 (check_dead_notes1): New static function.
3513 (struct region): New fields: dont_calc_deps, has_real_ebb.
3514 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3515 (BB_TO_BLOCK): Fixed to handle EBBs.
3516 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3517 (ebb_head): New static variable.
3518 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3519 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3521 (compute_dom_prob_ps): New assertion.
3522 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3523 global_live_at_start.
3524 (init_ready_list): New assertions.
3525 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3526 (new_ready): Add support for BEGIN_CONTROL speculation.
3527 (schedule_insns): Fixed code that updates register live information
3529 (schedule_region): Fixed to handle EBBs.
3530 (init_regions): Use extend_regions and check_dead_notes1.
3531 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3532 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3533 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3534 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3535 TARGET_SCHED_GEN_CHECK,
3536 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3537 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3538 * doc/invoke.texi (max-sched-insn-conflict-delay,
3539 sched-spec-prob-cutoff): Document.
3541 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3543 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3544 inter_tick, queue_index.
3545 (struct sched_info): Change signature of init_ready_list field.
3546 Adjust all initializations.
3547 (RESOLVED_DEPS): New access macro.
3548 (ready_add): Remove prototype.
3549 (try_ready): Add prototype.
3550 * sched-rgn.c (init_ready_list): Use try_ready.
3551 (schedule_region): Initialize
3552 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3553 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3554 (init_ready_list): Use try_ready.
3555 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3556 * lists.c (remove_list_elem): Remove `static'.
3557 (remove_free_INSN_LIST_elem): New function.
3558 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3559 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3560 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3562 (readyp): New variable.
3563 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3564 change_queue_index, resolve_dep): New static functions.
3565 (try_ready): New function. Adjust callers in sched-rgn.c and
3566 sched-ebb.c to use it instead of ready_add.
3567 (clock_var): Move at the begining of file.
3568 (rank_for_schedule): Fix typo.
3569 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3570 (ready_lastpos): Enforce assertion.
3571 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3573 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3574 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3575 (queue_to_ready): Use free_INSN_LIST_list.
3576 (early_queue_to_ready): Fix typo.
3577 (schedule_block): Init readyp. Move init_ready_list call after the
3578 initialization of clock_var. Fix error in rejecting insn by
3579 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3580 that previously corrected INSN_TICKs. Add code for handling
3582 (set_priorities): Fix typo.
3583 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3584 Clarify comment and code that keeps current_sched_info->next_tail
3587 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3589 * sched-rgn.c (extend_rgns): New static function.
3590 (find_rgns): Use it.
3591 (gather_region_statistics, print_region_statistics): New static
3593 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3594 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3596 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3597 Andrey Belevantsev <abel@ispras.ru>
3599 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3600 * lists.c (unused_deps_list): New variable.
3601 (free_list): Add assertions to verify the proper distinguishing
3602 between INSN_LISTs and DEPS_LISTs.
3603 (find_list_elem, remove_list_elem, remove_list_node): New static
3605 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3606 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3607 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3608 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3610 (free_INSN_LIST_node): Likewise.
3611 * modulo-sched.c (current_sched_info): Initialize flags field.
3612 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3613 * rtl.def (DEPS_LIST): Define.
3614 * rtl.h: Declare new functions from lists.c.
3615 * sched-deps.c (spec_dependency_cache): New static variable.
3616 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3617 (add_dependence): Change return type to void. Move the logic to ...
3618 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3619 (delete_all_dependences): Add comment about forward_dependency_cache.
3620 Handle spec_dependency_cache. Handle DEPS_LISTs.
3621 (fixup_sched_groups): Clarify the change of priority of output
3622 and anti dependencies.
3623 (sched_analyze_2): Adjust add_dependence calls to create data
3624 speculative dependence.
3625 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3626 Adjust all callers. Handle DEPS_LISTS.
3627 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3628 presence of speculation.
3629 (init_dependency_caches, free_dependency_caches):
3630 Handle spec_dependency_cache.
3631 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3632 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3633 New static functions.
3634 (add_or_update_back_dep, add_or_update_back_forw_dep,
3635 add_back_forw_dep, delete_back_forw_dep): New functions.
3636 * sched-int.h (ds_t, dw_t): New typedefs.
3637 (struct sched_info): Add new field flags.
3638 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3639 Prototype new sched-deps.c functions.
3640 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3641 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3642 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3643 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3644 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3645 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3647 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3649 * sched-rgn.c (current_sched_info): Initialize flags field.
3650 (schedule_insns): Initialize current_sched_info before the sched_init
3652 * sched-ebb.c (current_sched_info): Initialize flags field.
3653 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3654 Call add_or_update_back_dep instead of add_dependence.
3655 Create control speculative dependencies.
3656 (schedule_insns): Initialize current_sched_info before the sched_init
3659 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3661 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3663 (sh_fallback_frame_state): Likewise.
3665 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3667 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3668 Do switch on default_use_cxa_atexit.
3669 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3670 * config/darwin-crt3.o: New.
3671 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3672 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3673 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3675 * config/rs6000/t-darwin: Move crt2.o building to here.
3676 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3677 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3680 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3682 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3683 from '! xxx' to '!xxx' for coding-style conformance.
3684 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3685 (EXTRA_CONSTRAINT): Likewise.
3686 * config/vax/vax.md (four unnamed insns): Likewise.
3688 2006-03-15 Paul Brook <paul@codesourcery.com>
3690 * config/arm/arm.c (minipool_pad): New.
3691 (add_minipool_forward_ref): Include pool alignment padding in address
3693 (push_minipool_fix): Set minipool_pad.
3694 (minipool_pad): Ditto.
3696 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3698 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3699 instead of GET_CODE() == MEM and REG_P() instead of
3701 (print_operand_address): Likewise.
3702 (vax_address_cost): Likewise.
3703 (vax_rtx_costs): Likewise.
3704 (vax_notice_update_cc): Likewise.
3705 (vax_output_int_add): Likewise.
3706 (INDEX_REGISTER_P): Likewise.
3707 (BASE_REGISTER_P): Likewise.
3708 (nonindexed_address_p): Likewise.
3709 (vax_mode_dependent_address_p): Likewise.
3710 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3711 (PRINT_OPERAND): Likewise.
3712 * config/vax/vax.md (ashlsi3): Likewise.
3713 (ashlsi3): Likewise.
3714 (some more unnamed insns): Likewise.
3716 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3718 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3719 iterator-style macro.
3720 (mark_control_dependent_edges_necessary): Update the use of
3721 EXECUTE_IF_CONTROL_DEPENDENT.
3723 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3725 * config/sh/predicates.md (cache_address_operand): Special.
3726 (ua_address_operand): Likewise.
3728 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3730 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3732 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3734 2006-03-15 Andreas Schwab <schwab@suse.de>
3736 * gensupport.c (identify_predicable_attribute): Don't free p_false
3737 when it is still in use.
3739 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3741 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3742 the default setting here.
3744 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3746 * tree-pass.h (pass_cfg): Remove.
3747 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3748 * passes.c (pass_cfg): Don't run it.
3750 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3752 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3753 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3755 (stack_regs_mentioned): Update the uses of
3756 stack_regs_mentioned_data. Don't access the array beyond its
3758 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3759 Don't include gt-reg-stack.h.
3761 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3762 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3764 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3767 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3770 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3772 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3774 2006-03-14 Richard Guenther <rguenther@suse.de>
3776 PR tree-optimization/26672
3777 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3780 2006-03-14 Richard Guenther <rguenther@suse.de>
3782 PR tree-optimization/26667
3783 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3784 node for the callees. Always allow inlining if it will shrink
3787 2006-03-14 Richard Guenther <rguenther@suse.de>
3790 * builtins.c (get_pointer_alignment): Prefer alignment
3791 information from decls over that from types.
3793 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3796 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3798 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3800 * config/rs6000/rs6000.opt (mdlmzb): New option.
3801 (msched-prolog, msched-epilog): Use Var not Mask.
3802 * doc/invoke.texi (-mdlmzb): Document.
3803 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3805 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3806 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3808 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3810 PR rtl-optimization/25739
3811 * bt-load.c (augment_live_range): Free tos pointer.
3813 * gensupport.c (identify_predicable_attribute): Free
3815 * gcov.c (create_file_names): Free name pointer.
3817 2006-03-13 Roger Sayle <roger@eyesopen.com>
3820 * stmt.c (emit_case_nodes): Handle the case where the index is a
3821 CONST_INT, where the comparison mode is specified by the index type.
3823 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3825 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3828 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3830 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3831 (*branch_fp_inverted): Likewise.
3833 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3836 * omp-low.c (expand_omp_for_generic): Mark istart0
3837 and iend0 as addressable.
3839 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3841 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3843 2006-03-13 Jeff Law <law@redhat.com>
3845 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3846 virtual operands are interesting.
3847 (vrp_visit_stmt): Corresponding changes.
3849 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3851 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3853 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3854 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3855 * config/bfin/crti.S: Use it instead of __PIC__.
3856 * config/bfin/crtn.S: Likewise.
3858 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3859 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3861 Lose 'G' modifier for call operand.
3862 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3863 recognize 'G' modifier.
3865 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3868 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3869 * stmt.c (expand_case): Likewise.
3871 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3873 PR rtl-optimization/26254
3874 * loop-invariant.c (seq_insns_valid_p): New function.
3875 (move_invariant_reg): Only emit new code if it is valid.
3877 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3879 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3881 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3882 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3883 (commit_one_edge_insertion): Do not look for loop notes.
3885 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3887 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3888 flag_test_coverage out of loop.
3890 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3892 * final.c (shorten_branches): Remove outdated comment, and turn
3893 the if branch that guards it to continue.
3895 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3897 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3898 * cfgloop.h (struct loop): Remove unused fields.
3900 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3902 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3903 (-dL, -fdump-rtl-loop2): Update the dump file names
3905 * doc/invoke.texi: Update dump file names.
3907 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3909 * predict.c (estimate_probability): Remove.
3910 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3911 * basic-block.h (estimate_probability): Remove prototype.
3912 * passes.c (finish_optimization_passes): Dump branch prediction or
3913 profiling heuristics to the .profile tree dump.
3914 (init_optimization_passes): Unqueue pass_branch_prob.
3916 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3918 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3920 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3921 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3923 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3925 * function.h (frame_offset_overflow): Declare.
3926 * function.c (frame_offset_overflow): New function.
3927 (assign_stack_local_1): Call it to detect that the offset overflows.
3928 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3930 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3932 * config/sh/sh.c: Include alloc-pool.h.
3933 (label_ref_list_pool): New alloc pool.
3934 (label_ref_list_t): New type for lists of labels.
3935 (struct pool_node): Make wend a label_ref_list_t.
3936 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3938 (dump_table): Likewise.
3939 (sh_reorg): Set up the alloc pool before using add_constant and
3940 dump_table, and destroy it when finishing.
3942 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3944 * config/mips/mips.c: Remove redundant comment.
3946 2006-03-10 Jason Merrill <jason@redhat.com>
3949 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3950 the target was declared 'register'.
3952 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3954 * genpreds.c (write_insn_constraint_len): Change definition of
3955 insn_constraint_len to return size_t to match the declaration.
3957 2006-03-10 DJ Delorie <dj@redhat.com>
3959 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3961 (m32c_expand_insv): Fix test for an AND mask.
3963 2006-03-10 Richard Guenther <rguenther@suse.de>
3966 * builtins.c (get_pointer_alignment): Handle component
3967 references for field alignment.
3969 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3971 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3972 when building with libgloss.
3973 (sh*elf): Implement --without-fp option.
3974 (sh64-superh-linux*): Don't multilib.
3976 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3978 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3980 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3982 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3983 Set it when one of the replacement functions returned true.
3984 Return TODO_cleanup_cfg if cfgchanged is true.
3985 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3987 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3989 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3990 instead of gen_lowpart.
3992 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3994 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3996 (mips_output_order_conditional_branch): Declare.
3997 * config/mips/mips.h (MIPS_BRANCH): New macro.
3998 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3999 for the comparison. Use gen_condjump.
4000 (mips_output_conditional_branch): Rework interface to take the
4001 asm templates for a direct branch and the inverse of a direct branch.
4002 (mips_output_order_conditional_branch): New function.
4003 (mips_builtin_branch_and_move): New function.
4004 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4005 branch condition. Use gen_single_cc as the condition for
4006 __builtin_mips_upper_* or __builtin_mips_lower_*.
4007 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4008 Use VOIDmode for the branch condition.
4009 * config/mips/predicates.md (order_operator): New predicate.
4010 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4011 (branch_fp): Rename to...
4012 (*branch_fp): ...this. Remove mode from comparison operator.
4013 Use new mips_output_conditional_branch interface.
4014 (branch_fp_inverted): Rename to...
4015 (*branch_fp_inverted): ...this and update as for *branch_fp.
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