1 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
3 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4 if the element type is variably modified without recursing.
6 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9 * tree-loop-linear.c (try_interchange_loops): Test for
12 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
14 PR tree-optimization/27548
15 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
16 range of ssa names that appear on abnormal edges.
17 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
18 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
20 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
23 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
25 2006-05-17 Jakub Jelinek <jakub@redhat.com>
28 * tree.h (OMP_PARALLEL_COMBINED): Define.
29 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
30 (new_omp_context): Add is_combined_parallel argument.
31 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
32 new_omp_context caller.
33 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
34 Adjust gimplify_scan_omp_clauses callers.
35 (omp_is_private): Issue errors if iteration variable is firstprivate
36 or reduction in the current context.
37 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
38 on combined parallel workshare constructs.
40 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
42 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
43 (gcc-options.o): New rule.
45 * optc-gen.awk: Protect variables for gcc-options.o with
46 #ifdef GCC_DRIVER/#endif.
48 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
50 Fix PR tree-optimization/27373
51 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
52 (forward_propagate_addr_expr): Update call.
54 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
56 * doc/options.texi: Move the Negative option.
58 2006-05-16 Richard Guenther <rguenther@suse.de>
60 PR tree-optimization/22303
61 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
63 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
64 ccp_fold did not simplify the statement.
66 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
69 * Makefile.in (GCC_OBJS): New.
70 (OBJS-common): Add opts-common.o.
71 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
72 (cpp$(exeext)): Likewise.
73 (gcc.o): Also depend on opts.h.
76 * common.opt (gcoff): Add Negative(gdwarf-2).
77 (gdwarf-2): Add Negative(gstabs).
78 (gstabs): Add Negative(gstabs+).
79 (gstabs+): Add Negative(gvms).
80 (gvms): Add Negative(gxcoff).
81 (gxcoff): Add Negative(gxcoff+).
82 (gxcoff+): Add Negative(gcoff).
83 * config/i386/i386.opt (m32): Add Negative(m64).
84 (m64): Add Negative(m32).
86 * doc/options.texi: Document the Negative option.
88 * gcc.c: Include "opts.h".
89 (main): Call prune_options after expandargv.
91 * optc-gen.awk: Generate common declarations for all flag
92 variables in options.c. Output the neg_index field.
94 * opts.c (find_opt): Moved to ...
95 * opts-common.c: Here. New file.
97 * opts.h (cl_option): Add a neg_index field.
99 (prune_options): Likewise.
101 2006-05-16 Jakub Jelinek <jakub@redhat.com>
104 * omp-low.c (expand_omp_parallel): Don't assert
105 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
106 instead search for it.
109 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
112 2006-05-16 Andreas Schwab <schwab@suse.de>
114 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
117 2006-05-15 Roger Sayle <roger@eyesopen.com>
120 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
121 integer constants other than zero are only legitimate on TARGET_64BIT.
122 <CONST_VECTOR> Only zero vectors are legitimate.
123 (ix86_cannot_force_const_mem): Integral and vector constants can
124 always be put in the constant pool.
126 2006-05-16 DJ Delorie <dj@redhat.com>
128 * crtstuff.c (__dso_handle): Set section from
129 TARGET_LBIGCC_SDATA_SECTION if defined.
130 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
131 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
133 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
136 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
139 2006-05-16 Ben Elliston <bje@au.ibm.com>
141 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
143 2006-05-15 Per Bothner <per@bothner.com>
145 * tree.c: (last_annotated_node): Use sources_locus typedef.
146 This permits bootstrapping with --enable-mapped-location.
148 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
150 PR tree-optimization/26830
151 * tree-into-ssa.c (struct ssa_name_info): Add age field.
152 (info_for_ssa_name, current_info_for_ssa_name_age,
153 blocks_to_update): New variables.
154 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
155 (clear_ssa_name_info, initialize_flags_in_bb,
156 mark_block_for_update): New functions.
157 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
158 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
159 prepare_def_site_for): Use mark_block_for_update.
160 (mark_def_interesting): Assert that the processed block is marked in
161 blocks_to_update. Do not take blocks argument.
162 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
164 (rewrite_update_init_block, rewrite_update_stmt): Only process
165 blocks with statements to rewrite.
166 (delete_update_ssa): Do not clear SSA_NAME_AUX.
167 (update_ssa): Initialize and free blocks_to_update. Do not
168 clear flags on statements. Do not use blocks bitmap.
169 * tree.h (SSA_NAME_AUX): Removed.
170 (struct tree_ssa_name): Removed aux field.
171 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
173 2006-05-15 Richard Guenther <rguenther@suse.de>
175 PR tree-optimization/27603
176 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
177 Do computations in original type.
179 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
181 * see.c: Code style changes such as redundant paranthesis,
182 redundant intialization of local variables etc.
183 (see_main): Declared now as static.
184 * doc/invoke.texi: Update that -fsee is not enabled by
187 2006-05-15 Jakub Jelinek <jakub@redhat.com>
189 * omp-low.c (check_omp_nesting_restrictions): New function.
190 (scan_omp_1): Call it.
193 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
194 construct, return *VAR.
196 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
198 PR rtl-optimization/27406
199 * bt-load.c (migrate_btr_def): Skip the block having abnormal
202 2006-05-14 Roger Sayle <roger@eyesopen.com>
204 PR rtl-optimization/27538
205 * combine.c (expand_compound_operation): Call gen_lowpart
206 before calling simplify_shift_const.
208 2006-05-14 Roger Sayle <roger@eyesopen.com>
210 PR rtl-optimization/22563
211 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
212 a fixed width bitfield, always force the intermediates into psuedos.
214 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
217 * mkconfig.sh: Use operator = instead of == for test.
219 2006-05-13 Nick Clifton <nickc@redhat.com>
221 * dwarf2out.c (dbx_reg_number): Check return value from
222 LEAF_REG_REMAP and only use it if it is valid.
223 (multiple_reg_loc_descriptor): Likewise.
225 2006-05-13 Richard Guenther <rguenther@suse.de>
227 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
230 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
232 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
233 information attached to non-INSNs such as NOTEs.
234 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
236 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
238 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
240 * config/s390/s390.md: Adjust comment describing On constraint.
242 2006-05-11 Jan Hubicka <jh@suse.cz>
244 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
247 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
250 * fold-const.c (size_binop): Move sanity check for arguments to
251 the beginning of the function.
254 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
257 2006-05-11 Richard Guenther <rguenther@suse.de>
260 * fold-const.c (fold_unary): Handle intermediate conversion
261 to a pointer type like intermediate conversion to an integer
262 type in folding of (T1)(T2)var to var.
263 Match the code to the comment in the final conversion for
264 (T1)(T2)var to (T1)var regarding to type precision. Rather
265 than disallow T1 being of pointer type, assert that both T1
266 and var are of pointer type or not. Make sure not to fall
267 over the frontends lazyness wrt array to pointer decay though.
269 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
271 * arm.c (arm_struct_value_rtx): Delete.
272 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
273 (arm_init_cumulative_args): Always initialize nregs to zero.
275 2006-05-10 Richard Guenther <rguenther@suse.de>
277 PR tree-optimization/27532
278 * tree-object-size.c (plus_expr_object_size): Fix typo.
280 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
283 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
284 ashrdi_const, ashrdi3): Use a scratch register.
286 2006-05-10 Richard Guenther <rguenther@suse.de>
288 PR tree-optimization/27302
289 * fold-const.c (operand_equal_p): For two comparisons,
290 try comparison of one comparison code swapped if that yields
293 2006-05-10 Ben Elliston <bje@au.ibm.com>
295 * tree-pretty-print.c (pretty_print_string): No need to handle
296 '\0' as a special character.
298 * tree.h: Include "hashtab.h".
299 (iterative_hash_expr): Use hashval_t in its prototype.
300 * Makefile.in (TREE_H): Add $(HASHTAB_H).
302 2006-05-09 Steve Ellcey <sje@cup.hp.com>
305 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
306 (hppa*64*-*-hpux11*): Ditto.
307 (hppa[12]*-*-hpux11*): Ditto.
309 2006-05-09 David Edelsohn <edelsohn@gnu.org>
312 * config/rs6000/aix41.h (TARGET_64BIT): Define.
314 2006-05-09 Michael Matz <matz@suse.de>
316 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
317 host_extra_gcc_objs and host_xmake_file.
318 (<*-*-linux*>): Don't overwrite host_xmake_file.
319 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
320 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
321 (host_detect_local_cpu): Declare.
322 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
323 * config/i386/i386.c (override_options): Handle -mtune=native
325 * config/i386/x-i386: New file.
326 * config/i386/driver-i386.c: New file.
327 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
330 2006-05-09 Dirk Mueller <dmueller@suse.de>
331 Richard Guenther <rguenther@suse.de>
334 * fold-const.c (fold_read_from_constant_string): Relax check
335 for matching types to matching modes.
337 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
339 PR rtl-optimization/27335
340 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
343 2006-05-08 Chao-ying Fu <fu@mips.com>
344 Richard Sandiford <richard@codesourcery.com>
346 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
347 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
348 * config/mips/mips.md (UNSPEC_SCC): New constant.
349 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
350 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
351 (mips_emit_compare): Use it.
352 (mips_expand_vcondv2sf): New function.
354 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
356 Fix PR tree-optimization/27093
357 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
358 renaming when they become not-used_alone.
360 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
362 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
363 relocation and relocation stubs.
365 2006-05-08 Eric Christopher <echristo@apple.com>
367 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
370 2006-05-08 Jan Hubicka <jh@suse.cz>
373 * cgraphunit.c (decide_is_function_needed): When not optimizing even
374 unused static functions are needed.
376 2006-05-08 Roger Sayle <roger@eyesopen.com>
379 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
380 of a reg_equiv_constant if the result is a legitimate constant.
382 2006-05-08 Uros Bizjak <uros@kss-loka.si>
385 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
386 standard 80387 constants, raise the cost to prevent
387 compress_float_constant() to generate load from memory.
389 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
391 * config/arm/constraints.md (c): Fix a typo.
393 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
396 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
399 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
401 (_mm_mwait): Likewise.
403 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
405 (sse3_monitor): Make it 32bit only.
406 (sse3_monitor64): New. 64bit monitor.
408 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
411 * config/i386/i386.c (classify_argument): Skip fields with invalid
414 2006-05-07 Richard Guenther <rguenther@suse.de>
416 PR tree-optimization/27409
417 * tree-ssa-structalias.c (get_constraint_for_component_ref):
418 Do not try to find zero-sized subvars.
420 2006-05-07 Richard Guenther <rguenther@suse.de>
422 PR tree-optimization/27136
423 * tree-ssa-loop-niter.c (get_val_for): Correct function
424 comment, assert requirements.
425 (loop_niter_by_eval): Stop processing if the iterated
426 value did not simplify.
428 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
430 * opts.c (flag_see): remove its setting at -O3.
432 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
434 * genpeep.c (main): Make insn-peep.c depend on flags.h.
435 * arm/constraints.md: New file.
436 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
437 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
438 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
439 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
440 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
441 (EXTRA_MEMORY_CONSTRAINT): Likewise.
442 * arm.md: Include constraints.md.
443 (thumb_movsi_insn): Use satisfies_constraint_J.
444 (movhi, movqi): Use satisfies_constraint_I.
446 2006-04-29 Anatoly Sokolov <aesok@post.ru>
448 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
449 for atmeg a645 device.
451 2006-05-06 Richard Guenther <rguenther@suse.de>
453 PR tree-optimization/27151
454 * tree-vect-transform.c (vectorizable_condition): Punt on
455 values that have a different type than the condition.
457 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
460 * c-parser.c (c_parser_cast_expression): Only insert casts into
461 hash table if pointer.
462 * function.c (used_types_insert_helper): Rename from
464 (used_types_insert): Call used_types_insert_helper.
465 * function.h (used_types_insert): Accept only one argument.
467 2006-05-05 David Edelsohn <edesohn@gnu.org>
469 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
470 scratch with output modifier.
472 2006-05-04 David Edelsohn <edelsohn@gnu.org>
475 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
476 with output modifier.
478 2006-05-04 Richard Sandiford <richard@codesourcery.com>
481 * config/mips/mips.c (mips_symbolic_address_p): Return true
482 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
483 SYMBOL_GOTTPREL, and SYMBOL_TLS.
485 2006-05-04 Richard Guenther <rguenther@suse.de>
487 PR tree-optimization/14287
488 PR tree-optimization/14844
489 PR tree-optimization/19792
490 PR tree-optimization/21608
491 PR tree-optimization/27090
492 * tree-ssa-pre.c (try_combine_conversion): New function.
493 (compute_avail): After constructing the value-handle
494 expression, use try_combine_conversion to combine NOP_EXPRs
495 with previous value-handle expressions and use the result if it
498 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
500 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
502 2006-05-04 Jan Hubicka <jh@suse.cz>
505 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
507 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
509 * config/bfin/predicates.md (const01_rtx): Tell generator programs
510 that this only matches CONST_INTs. All users changed to VOIDmode
513 * config/bfin/bfin.c: Include "optabs.h".
514 (bfin_rtx_costs): Some costs for vector operations, to allow combine
516 (enum bfin_builtins): Add a number of fractional and vector builtins.
517 (bfin_init_builtins): Likewise.
518 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
519 (safe_vector_operand, bfin_expand_binop_builtin,
520 bfin_expand_unop_builtin): New functions.
521 (bfin_expand_builtin): Handle the new builtins.
522 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
525 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
528 * Makefile.in (OBJS-common): Add see.o.
529 (see.o): Add dependencies.
530 * common.opt (fsee): New flag for the see optimization was added.
531 * opts.c (flag_see): Initialized.
532 * passes.c (init_optimization_passes, pass_see): New pass.
533 * rtl.h (see_main): Declaration as extern.
534 * timevar.def (TV_SEE): New.
535 * tree-pass.h (pass_see): Declaration as extern.
536 * invoke.texi (-fsee): Document.
537 * recog.c (validate_simplify_insn): New function.
538 * recog.h (validate_simplify_insn): Declaration as extern.
539 * df-problems.c (df_chain_dump): Check for NULL.
541 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
542 Daniel Berlin <dberlin@dberlin.org>
544 * cfgrtl.c (insert_insn_bb_end_new): New function.
545 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
547 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
549 * df.h (struct web_entry): Moved from web.c.
550 (union_defs): Declaration as extern.
551 (unionfind_root): Likewise.
552 (unionfind_union): Likewise.
553 * web.c (struct web_entry): Moved to df.h.
554 (unionfind_root): Remove static declaration.
555 (unionfind_union): Likewise.
556 (union_defs): Likewise and generalize to use callback function.
557 (web_main): Update arguments for union_defs function call.
559 2006-05-04 Richard Guenther <rguenther@suse.de>
561 PR tree-optimization/26447
562 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
563 produce SSA_NAME copies before the store stmt to avoid
564 breaking exception handling.
566 2006-05-04 Jakub Jelinek <jakub@redhat.com>
569 * gimplify.c (omp_is_private): If var is shared in some outer context,
570 return false instead of true. Stop searching on parallel context
573 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
576 * coverage.c: Use get_gcov_unsigned_t() instead of
577 unsigned_type_node all over.
579 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
581 PR tree-optimization/27381
582 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
583 maintain the same immediate_use links.
584 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
585 node rather than segfaulting.
587 2006-05-03 Jakub Jelinek <jakub@redhat.com>
590 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
591 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
592 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
594 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
596 Fix PR tree-optimization/26626
597 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
599 * tree-ssa-operands.c (access_can_touch_variable): Allow
600 typecasting through union pointers.
602 2006-05-02 Jakub Jelinek <jakub@redhat.com>
605 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
606 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
607 to find if var will be a global variable even in the nested context.
608 (omp_copy_decl): Only check for global variable at the end, it might
609 be overridden in outer contexts.
610 (scan_sharing_clauses): For global variables don't create a field.
611 (lower_rec_input_clauses): Do nothing for global shared variables.
612 Emit a barrier at the end of ILIST if there were any decls in both
613 firstprivate and lastprivate clauses.
614 (lower_send_clauses): Do nothing for global variables except for
617 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
619 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
620 of the correct signedness is returned.
622 2006-05-02 Jeff Law <law@redhat.com>
624 PR tree-optimization/27364
625 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
626 multiply expressions.
628 2006-05-02 Tom Tromey <tromey@redhat.com>
630 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
632 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
635 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
636 -mthumb -fPIC are used.
638 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
639 Joshua Kinard <kumba@gentoo.org>
642 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
643 with 64-bit pointers.
645 2006-05-02 Paul Brook <paul@codesourcery.com>
647 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
649 (create_fix_barrier): Check that a suitable barrier location is
651 (arm_reorg): Include ftmp->address in allowable range of addresses.
653 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
656 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
659 2006-05-02 Jakub Jelinek <jakub@redhat.com>
662 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
663 around RESULT_DECL for result passed by reference.
664 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
665 * omp-low.c (use_pointer_for_field): Don't look at
666 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
667 (scan_omp_1): Call remap_decl on RESULT_DECLs.
668 (lower_rec_input_clauses): Don't allocate VLA memory for the second
669 time or var for passing by reference for
670 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
671 TREE_ADDRESSABLE variables when passing by reference.
673 * omp-low.c (dump_omp_region): Fix output formatting.
676 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
677 (expand_omp_parallel): Likewise.
678 * tree-cfg.c (move_sese_region_to_fn): Likewise.
681 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
682 on statement list containing also constructors and destructors.
683 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
686 * except.c (duplicate_eh_regions): Fix clearing of
687 cfun->eh->region_array entries.
689 2006-05-01 DJ Delorie <dj@redhat.com>
691 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
693 (gcc_cv_objdump): Likewise.
694 * configure: Regenerated.
696 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
699 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
700 templates for case 3 and 4.
702 2006-05-01 DJ Delorie <dj@redhat.com>
704 * vec.c: Include bconfig.h when appropriate.
705 * Makefile.in (build/vec.o): Adjust dependencies.
706 * mkconfig.sh: Make sure config.h isn't used for build machine
709 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
711 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
713 (mark_phi_for_rewrite): New function.
714 (insert_phi_nodes_for, mark_use_interesting): Call
715 mark_phi_for_rewrite.
716 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
717 (update_ssa): Initialize and free phis_to_rewrite.
719 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
721 PR rtl-optimization/27291
722 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
723 folded to a constant.
725 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
727 PR tree-optimization/27283
728 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
729 not whole # of iteration descriptions.
730 (niter_for_exit): Return just # of iterations. Fail if # of iterations
731 uses abnormal ssa name.
732 (niter_for_single_dom_exit): Ditto.
733 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
734 return just the number of iterations.
736 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
738 PR tree-optimization/27144
739 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
740 (record_estimate): Only record constant upper bound.
741 (infer_loop_bounds_from_undefined): Call
742 compute_estimated_nb_iterations just once.
743 (proved_non_wrapping_p): Renamed to ...
744 (n_of_executions_at_most): ... this. Expect bound to be a constant.
745 (convert_step_widening, scev_probably_wraps_p): Call
746 n_of_executions_at_most instead of proved_non_wrapping_p.
747 (substitute_in_loop_info): Do not replace values in bounds.
748 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
751 2006-05-01 Richard Henderson <rth@redhat.com>
754 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
755 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
758 2006-05-01 Roger Sayle <roger@eyesopen.com>
760 * c-typeck.c (parser_build_binary_op): Don't call the function
761 unsigned_conversion_warning to spot operand/result type overflow.
762 (build_binary_op): Instead, call convert_and_check instead of
763 convert to report the problem when the operands are promoted.
764 * c-common.c (unsigned_conversion_warning): Make static.
765 * c-common.h (unsigned_conversion_warning): Delete prototype.
767 2006-05-01 Richard Guenther <rguenther@suse.de>
769 PR tree-optimization/26726
770 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
772 (find_interesting_uses_address): ... we work around here
773 by folding INDIRECT_REFs in the substituted base.
775 2006-05-01 Diego Novillo <dnovillo@redhat.com>
777 * omp-low.c (dump_omp_region): Add newlines.
779 2006-04-30 Roger Sayle <roger@eyesopen.com>
781 * common.opt (Woverflow): New command line option.
782 * c-common.c (constant_expression_warning): Check warn_overflow.
783 (overflow_waring): Pass OPT_Woverflow to warning.
784 (unsigned_conversion_warning): Likewise.
785 (convert_and_check): Likewise.
786 * doc/invoke.texi: Document new command line option.
788 2006-04-30 David Edelsohn <edelsohn@gnu.org>
790 * config/rs6000/rs6000.c (rs6000_override_options): Enable
791 TARGET_NO_FP_IN_TOC for section anchors.
792 (optimization_options): Enable section anchors for all
793 non-"Objective" languages.
795 2006-04-28 Eric Christopher <echristo@apple.com>
797 * config/darwin-c.c (darwin_ms_struct): Move this
798 (darwin_set_default_type_attributes): and this...
799 * config/darwin.c: ... here.
800 * config/darwin.h (darwin_ms_struct): Declare.
802 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
804 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
806 2006-04-28 Roger Sayle <roger@eyesopen.com>
809 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
810 (push_array_bounds): Delete prototype. Change BOUNDS argument to
811 an unsigned HOST_WIDE_INT.
812 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
814 (really_start_incremental_init): No need to call convert because
815 bitsize_zero_node is already of type bitsizetype.
816 (push_init_level): Extract the value of constructor_index as an
817 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
818 (process_init_element): Likewise.
820 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
822 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
823 value before passing to make_relative_prefix.
825 2006-04-28 Alan Modra <amodra@bigpond.net.au>
828 * builtins.c (expand_builtin_memset): Expand val in original mode.
830 2006-04-27 Eric Christopher <echristo@apple.com>
832 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
834 * config/darwin-c.c (darwin_ms_struct): New.
835 (darwin_pragma_ms_struct): Ditto.
836 (darwin_set_default_type_attributes): Ditto.
837 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
838 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
839 Register ms_struct pragma.
840 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
841 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
842 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
843 darwin_set_default_type_attributes if TARGET_MACHO.
845 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
847 PR tree-optimization/26854
848 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
849 * doc/tree-ssa.texi: Update immuse iterator documentation.
850 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
851 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
852 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
853 first_safe_imm_use, next_safe_imm_use): Remove.
854 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
855 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
856 (move_use_after_head): New. Helper function to sort immuses in a stmt.
857 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
858 (first_imm_use_stmt): New. Get first stmt in an immuse list.
859 (next_imm_use_stmt): New. Get next stmt in an immuse list.
860 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
861 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
862 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
863 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
864 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
865 (perfect_nestify): Use new iterator.
866 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
868 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
869 (next_imm_name): New field in struct immediate_use_iterator_d.
870 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
871 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
872 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
873 * tree-cfg.c (replace_uses_by): Use new iterator.
874 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
875 * tree-ssa-operands.c (correct_use_link): Remove.
876 (finalize_ssa_use_ops): No longer call correct_use_link.
878 2006-04-27 Stuart Hastings <stuart@apple.com>
880 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
881 * config/t-darwin (crt3.o): Use it.
882 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
883 'pmode', use Pmode instead of SImode for SYMBOL_REF.
884 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
885 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
886 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
889 2006-04-27 Roger Sayle <roger@eyesopen.com>
891 * expmed.c (store_fixed_bit_field): If we're not optimizing for
892 size, force the intermediate into a new pseudo rather instead of
893 performing both a bitwise AND and a bitwise IOR in memory.
895 2006-04-27 Richard Guenther <rguenther@suse.de>
897 PR rtl-optimization/26685
898 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
899 this one "max-flow-memory-locations".
901 2006-04-27 Richard Guenther <rguenther@suse.de>
903 PR tree-optimization/25148
904 * tree-vrp.c (compare_values): Remove code dealing with
905 comparisons against type min/max value. Honour overflow
906 and negative constants in code dealing with comparisons
907 of plus and minus expressions.
908 (value_inside_range): Use fold_binary with LE_EXPR and
909 GE_EXPR rather than compare_values.
911 2006-04-27 Dirk Mueller <dmueller@suse.de>
913 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
916 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
918 * basic-block.h (safe_insert_insn_on_edge): Removed.
919 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
921 2006-04-26 David Edelsohn <edelsohn@gnu.org>
922 Paolo Bonzini <bonzini@gnu.org>
925 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
926 (simplify_and_const_int): Same.
928 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
930 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
932 2006-04-26 Jakub Jelinek <jakub@redhat.com>
935 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
936 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
937 cgraph_global_info_ready.
940 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
943 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
944 either decl or init is error_mark_node.
947 * tree-flow.h (struct omp_region): Add sched_kind.
948 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
949 instead of extracting omp for data.
950 (expand_omp_for): Save extracted sched_kind.
952 2006-04-25 Roger Sayle <roger@eyesopen.com>
954 * expmed.c (store_bit_field): Also check whether the bitsize is
955 valid for the machine's "insv" instruction before moving the
956 target into a pseudo for use with the insv.
957 * config/i386/predicates.md (const8_operand): New predicate.
958 * config/i386/i386.md (extv, extzv, insv): Use the new
959 const8_operand predicate where appropriate.
961 2006-04-25 DJ Delorie <dj@redhat.com>
963 * doc/install.texi (Specific): Clarify that this is not a list of
964 supported hosts or targets.
966 2006-04-25 Richard Sandiford <richard@codesourcery.com>
968 PR rtl-optimization/26725
969 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
970 block's BB_DIRTY flag.
972 2006-04-25 Geoffrey Keating <geoffk@apple.com>
974 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
977 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
980 2006-04-25 David Edelsohn <edelsohn@gnu.org>
982 * varasm.c (align_variable): New function.
983 (get_block_for_decl): Apply align_variable to DECL before
984 calculating section information.
985 (assemble_variable): Split out alignment computation.
987 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
989 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
992 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
994 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
995 MODE_PARTIAL_INT mode.
996 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
997 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
999 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1000 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1002 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1004 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1006 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1007 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1008 MACFLAG_IH): Likewise.
1009 (movstricthi_1): Renamed from "*movstricthi".
1010 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1011 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1012 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1013 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1014 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1015 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1016 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1017 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1018 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1019 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1020 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1021 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1022 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1023 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1024 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1026 * doc/rtl.texi (ss_ashift): Improve wording.
1028 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1030 * dwarf2out.c (verify_marks_clear): New.
1031 (prune_unused_types): Call verify_marks_clear initially, not
1034 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1036 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1037 * doc/rtl.texi: Document them.
1038 * simplify-rtx.c (simplify_unary_operation,
1039 simplify_binary_operation_1): Don't abort when we see them.
1041 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1044 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1045 * configure.ac: Completely disregard languages that are not
1047 * configure: Regenerated.
1049 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1050 Richard Guenther <rguenther@suse.de>
1052 PR tree-optimization/27236
1053 * tree-inline.c (copy_body_r): Make sure to copy
1054 TREE_THIS_VOLATILE flag.
1056 2006-04-24 Richard Guenther <rguenther@suse.de>
1059 * tree-complex.c (update_parameter_components): Don't handle
1060 unused parameters which have no default def.
1062 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1063 Richard Guenther <rguenther@suse.de>
1065 PR tree-optimization/27218
1066 * tree-inline.c (expand_call_inline): Strip useless type
1067 conversions for the return slot address.
1069 2006-04-24 Richard Guenther <rguenther@suse.de>
1071 * cfgloop.h (struct loops): Remove unused field array. Reorder
1073 (LOOP_PREFETCH): Remove.
1075 2006-04-24 Richard Guenther <rguenther@suse.de>
1077 PR tree-optimization/22525
1078 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1079 variable, adjust types of generated expressions.
1081 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1083 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1084 (tree-vect-patterns.o): Likewise.
1086 (cselib.o): Likewise.
1087 (loop-doloop.o): Likewise.
1088 (regclass.o): Likewise.
1089 (reload1.o): Likewise.
1090 (explow.o): Replace target.h with $(TARGET_H).
1091 (ipa-prop.o): Likewise.
1092 (ipa-cp.o): Likewise.
1093 (ipa-inline.o): Likewise.
1094 (reorg.o): Likewise.
1095 (reg-stack.o): Likewise.
1097 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1099 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1101 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1103 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1105 * configure.ac: Completely disregard languages that are not
1107 * configure: Regenerated.
1110 * c-common.h (c_build_bitfield_integer_type): Declare.
1111 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1112 * c-common.c (c_build_bitfield_integer_type): ... here.
1114 2006-04-23 Roger Sayle <roger@eyesopen.com>
1117 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1118 a SImode SUBREG of a floating point register after no_new_pseudos.
1120 2006-04-23 Roger Sayle <roger@eyesopen.com>
1122 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1123 identify potentially eliminable registers to additionally catch
1124 VIRTUAL_INCOMING_ARGS_REGNUM.
1125 (addsi3): Update the conditions on when to use addsi_small_int.
1127 2006-04-23 Roger Sayle <roger@eyesopen.com>
1130 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1131 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1132 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1134 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1136 * fold-const.c (range_predecessor): Use operand_equal_p
1137 as the predicate for equality.
1138 (range_successor): Likewise.
1140 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1143 * config/soft-fp/op-common.h: Fix a typo.
1145 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1148 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1149 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1151 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1153 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1155 * doc/tm.texi: Fix a typo.
1157 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1159 * dwarf2out.c (struct die_struct): Document that die_sib makes
1160 a circular linked list.
1161 (FOR_EACH_CHILD): New.
1162 (reverse_die_lists): Delete.
1163 (reverse_all_dies): Delete.
1164 (add_dwarf_attr): Correct documentation.
1165 (remove_child_with_prev): New.
1166 (remove_child_TAG): Update for change to die_struct, use
1167 remove_child_with_prev.
1168 (add_child_die): Update for change to die_struct.
1169 (splice_child_die): Use remove_child_with_prev and add_child_die.
1170 (print_die): Use FOR_EACH_CHILD.
1171 (die_checksum): Likewise.
1172 (assign_symbol_names): Likewise.
1173 (output_location_lists): Likewise.
1174 (build_abbrev_table): Likewise.
1175 (calc_die_sizes): Likewise.
1176 (mark_dies): Likewise.
1177 (unmark_dies): Likewise.
1178 (unmark_all_dies): Likewise.
1179 (output_die): Likewise.
1180 (prune_unused_types_mark): Likewise.
1181 (prune_unused_types_walk): Likewise.
1182 (same_die_p): Update for change to die_struct.
1183 (break_out_includes): Likewise.
1184 (prune_unused_types_prune): Likewise.
1185 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1186 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1188 (dwarf2out_finish): Don't call reverse_all_dies.
1190 2006-04-21 Eric Christopher <echristo@apple.com>
1192 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1193 in comments and function names.
1195 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1198 * c-typeck.c (digest_init): Robustify.
1200 * c-typeck.c (pop_init_level): Simplify.
1202 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1204 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1206 2006-04-21 Paul Brook <paul@codesourcery.com>
1208 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1209 hardware floating point.
1211 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1213 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1216 2006-04-21 Nick Clifton <nickc@redhat.com>
1218 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1221 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1224 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1225 C++ lang type in traceback table for Objective-C++.
1227 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1229 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1231 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1233 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1236 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1237 were errors. Remove check for erroneous objects.
1239 2006-04-20 Jeff Law <law@redhat.com>
1241 PR tree-optimization/26854
1242 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1243 checking for zero or one use.
1244 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1245 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1246 * tree-ssa-reassoc.c (negate_value): Similarly.
1247 (reassociate_bb): Similarly.
1249 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1251 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1252 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1253 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1255 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1257 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1258 fp regs if the last fp arg doesn't fit in regs.
1260 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1263 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1264 that the last insn has the REG_INC note.
1266 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1267 Nathan Sidwell <nathan@codesourcery.com>
1270 * stor-layout.c (update_alignment_for_field): Do not align
1272 (place_union_field): Place union field at the start of the union.
1273 (place_field): Move ERROR_MARK check later, and use the current
1274 allocation position to maintain monotonicity.
1276 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1278 * dominance.c: Include timevar.h.
1279 (calculate_dominance_info): Use TV_DOMINANCE.
1280 * timevar.def (TV_DOMINANCE): New timevar.
1281 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1283 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1285 PR rtl-optimization/14261
1286 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1287 move would be an INSV insn.
1288 (noce_process_if_block): Don't optimize if the destination is a
1289 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1291 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1293 * config/s390/s390.md: Add comments with the instructions emitted
1294 by an insn pattern if macros are used.
1296 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1298 PR rtl-optimization/26026
1299 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1300 is a known power of two shifted left a variable amount.
1302 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1304 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1305 to hash table twice when the debug_str section has SECTION_MERGE.
1307 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1309 * config/soft-fp: New directory. From glibc.
1310 * config/soft-fp/t-softfp: New.
1311 * config/soft-fp/README: New.
1312 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1313 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1314 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1315 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1316 * config.gcc: Use rs6000/t-fprules-fpbit or
1317 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1319 * config/rs6000/sfp-machine.h: New. Based on glibc.
1320 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1322 * config/rs6000/t-fprules: Remove fp-bit rules.
1323 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1324 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1325 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1326 (softfp_wrap_start, softfp_wrap_end): New.
1328 2006-04-18 DJ Delorie <dj@redhat.com>
1330 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1332 2006-04-18 Devang Patel <dpatel@apple.com>
1334 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1336 2006-04-18 Nick Clifton <nickc@redhat.com>
1338 * config/sh/t-symbian: Add rule to build sh-c.o
1339 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1340 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1341 (sh_symbian_encode_section_info): Likewise.
1343 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1345 * builtins.c (expand_builtin_strcmp): Cover label definition of
1346 do_libcall with HAVE_cmpstrnsi.
1348 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1350 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1352 * function.h (temp_slot_p): New.
1353 (function): Change the type of x_used_temp_slots to
1354 VEC(temp_slot_p,gc) *.
1356 2006-04-18 Nick Clifton <nickc@redhat.com>
1358 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1359 flag_strength_reduce.
1361 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1363 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1367 Partial revert of revision 112637
1368 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1369 Dale Johannesen <dalej@apple.com>
1372 * regclass.c (struct reg_pref): Update documentation.
1373 (regclass): Set prefclass to NO_REGS if memory is the best option.
1374 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1376 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1378 PR tree-optimization/26821
1379 * tree-ssa-math-opts.c (get_constant_one): New.
1380 (insert_reciprocals): Use it.
1382 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1384 * dwarf2out.c (free_AT): Delete.
1385 (remove_AT): Update string ref counts.
1386 (remove_child_TAG): Don't call free_die.
1388 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1389 or DW_TAG_GNU_EINCL.
1390 (prune_unused_types_walk_attribs): Reset string refcounts.
1391 (prune_unused_types_update_strings): New.
1392 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1393 call free_die. Do call prune_unused_types_update_strings.
1394 (prune_unused_types): Empty debug_str_hash.
1396 2006-04-17 Roger Sayle <roger@eyesopen.com>
1398 * expr.c (expand_assignment): Optimize away no-op moves where the
1399 source and destination are equal and have no side-effects.
1401 2006-04-17 Richard Guenther <rguenther@suse.de>
1404 * reload.c (push_reload): Guard calls to get_secondary_mem
1407 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1409 * alias.c (reg_base_value, old_reg_base_value): Change the
1410 type to VEC(rtx,gc) *.
1411 (REG_BASE_VALUE, find_base_value, record_set,
1412 init_alias_analysis): Use VEC instead of VARRAY.
1414 * alias.c (alias_sets): Change the type to
1415 VEC(alias_set_entry,gc) *.
1416 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1417 VEC instead of VARRAY.
1418 (last_alias_set): Remove.
1420 * cgraph.h (cgraph_edge_p): New.
1421 Update the prototype of cgraph_function_versioning.
1422 * cgraphunit.c (cgraph_copy_node_for_versioning,
1423 cgraph_function_versioning): Use VEC instead of VARRAY.
1424 * ipa-cp.c (ipcp_insert_stage): Likewise.
1426 2006-04-16 Roger Sayle <roger@eyesopen.com>
1429 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1430 "A op B" or "A op C", we may need to convert A to the type of B and C.
1432 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1434 * target.h (struct gcc_target): Add mode_rep_extended.
1435 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1436 (init_num_sign_bit_copies_in_rep): Initialize it using
1438 (truncate_to_mode): Use it.
1439 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1440 * targhooks.h (default_mode_rep_extended): Declare it.
1441 * targhooks.c (default_mode_rep_extended): Define it.
1442 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1443 default_mode_rep_extended.
1444 (TARGET_INITIALIZER): Include it.
1445 * doc/tm.texi (Misc): Document it.
1446 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1447 (mips_truncated_to_mode): New function.
1449 2006-04-16 Roger Sayle <roger@eyesopen.com>
1452 * expr.c (compress_float_constant): Copy the narrow constant into
1453 a new pseudo before extending it to its final width.
1455 2006-04-16 Roger Sayle <roger@eyesopen.com>
1456 Andrew Pinski <pinskia@gcc.gnu.org>
1457 Dale Johannesen <dalej@apple.com>
1460 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1461 special case code to implement V8HImode and V16QImode with SSE2.
1463 2006-04-15 Roger Sayle <roger@eyesopen.com>
1465 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1466 trees are constructed with a suitable tree type.
1468 2006-04-15 Roger Sayle <roger@eyesopen.com>
1470 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1471 (integer_onep): Likewise.
1472 (integer_all_onesp): Likewise.
1473 (integer_pow2p): Likewise.
1474 (integer_nonzerop): Likewise.
1475 (real_zerop): Likewise.
1476 (real_onep): Likewise.
1477 (real_twop): Likewise.
1478 (real_minus_onep): Likewise.
1479 (int_size_in_bytes): Likewise.
1480 (host_integerp): Likewise.
1482 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1484 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1485 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1486 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1488 * tree-ssa-structalias.h (alias_info): Remove num_references.
1490 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1492 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1493 (output_bvb patterns): Likewise.
1494 * pa.c (output_bb): Use 'bb' insn for long branch case.
1495 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1496 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1497 1. Correct length operand for alternatives 1 and 2.
1498 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1499 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1501 2006-04-14 Roger Sayle <roger@eyesopen.com>
1503 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1504 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1505 were accidentally reverted by r112959.
1507 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1510 * except.h (eh_region_outermost): New prototype.
1511 * except.c (eh_region_outermost): New function.
1512 * tree-cfg.c (find_outermost_region_in_block): Use it.
1514 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1516 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1518 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1519 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1520 (init_reload, reload): Use VEC instead of VARRAY.
1521 * reload.h: Update the prototype for
1522 reg_equiv_memory_loc_varray.
1524 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1525 Eric Botcazou <ebotcazou@libertysurf.fr>
1527 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1530 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1533 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1534 to expand fallback builtin function call.
1536 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1539 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1540 and emit libcall here in case the builtin fails.
1541 (expand_builtin_strcmp): Always emit the libcall here on failure.
1543 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1545 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1546 * flow.c (reg_n_info): Change the type to
1547 VEC(reg_info_p,heap) *.
1548 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1550 * regs.h (reg_info_p): New.
1551 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1552 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1553 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1556 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1558 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1560 * params.h (MAX_SCHED_READY_INSNS): New macro.
1561 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1562 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1563 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1564 the ready list for 1 cycle during the first scheduling pass.
1565 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1567 2006-04-13 Richard Henderson <rth@redhat.com>
1570 * gimple-low.c (lower_omp_directive): Remove dead code.
1571 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1572 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1573 * omp-low.c (struct omp_region): Move to tree-flow.h.
1574 (root_omp_region): Export.
1575 (omp_regions, lookup_omp_region): Remove.
1576 (determine_parallel_type): Update for struct omp_region changes.
1577 (dump_omp_region): Dump regions with block numbers.
1578 (new_omp_region): Take type and block instead of stmt; malloc
1580 (free_omp_region_1, free_omp_regions): New.
1581 (expand_parallel_call): Take entry_stmt as argument; update for
1582 changes to omp_region.
1583 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1584 (remove_exit_barriers): New.
1585 (expand_omp_parallel): Update for struct omp_region changes.
1586 (expand_omp_synch): Likewise.
1587 (expand_omp): Likewise.
1588 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1589 (expand_omp_for_static_chunk): Likewise.
1590 (expand_omp_for): Likewise.
1591 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1592 (expand_omp_sections): Similarly, with GOMP_sections_end.
1593 (expand_omp_single): New.
1594 (build_omp_regions_1): Update for OMP_CONTINUE.
1595 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1596 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1597 OMP_SECTIONS_SECTIONS.
1598 (lower_omp_single_simple): Don't emit barrier here.
1599 (lower_omp_single_copy): Likewise.
1600 (lower_omp_single): Fix bindings, and lower to straightline now.
1601 (lower_omp_master, lower_omp_ordered): Likewise.
1602 (lower_omp_critical): Likewise.
1603 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1604 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1605 omp edges, free it afterward.
1606 (make_omp_sections_edges): Remove.
1607 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1608 (move_stmt_r): Handle OMP_CONTINUE.
1609 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1610 statement pointers to basic blocks. Add type member.
1611 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1612 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1613 * tree-inline.c (estimate_num_insns_1): Likewise.
1614 * tree-pretty-print.c (dump_generic_node): Likewise.
1615 * tree-ssa-operands.c (get_expr_operands): Likewise.
1616 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1617 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1618 (OMP_CONTINUE): New.
1619 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1620 (OMP_SECTIONS_SECTIONS): Remove.
1621 (OMP_SECTION_LAST): New.
1622 (OMP_RETURN_NOWAIT): New.
1624 2006-04-13 Roger Sayle <roger@eyesopen.com>
1626 * fold-const.c (native_encode_vector, native_interpret_real):
1627 Correct obvious mistakes in the previous check-in.
1629 2006-04-13 Roger Sayle <roger@eyesopen.com>
1631 * fold-const.c (native_encode_expr): New function to encode
1632 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1633 or VECTOR_CST into a specified buffer.
1634 (native_encode_int): New function.
1635 (native_encode_real): New function.
1636 (native_encode_complex): New function.
1637 (native_encode_vector): New function.
1638 (native_interpret_expr): Inverse of native_encode_expr to convert
1639 a target representation into an INTEGER_CST, REAL_CST etc...
1640 (native_interpret_int): New function.
1641 (native_interpret_real): New function.
1642 (native_interpret_complex): New function.
1643 (native_interpret_vector): New function.
1644 (fold_view_convert_expr): New function to constant fold/evaluate
1645 a VIEW_CONVERT_EXPR of a suitable constant expression.
1646 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1647 Change call of build1 to fold_build1 when constructing a
1650 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1651 Ulrich Weigand <uweigand@de.ibm.com>
1654 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1657 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1660 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1661 optimize to lo_sum for DFmode if !TARGET_FPRS.
1663 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1665 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1666 delete_alias_info, compute_flow_sensitive_aliasing,
1667 group_aliases): Use VEC instead of VARRAY.
1668 * tree-ssa-structalias.c (update_alias_info): Likewise.
1669 * tree-ssa-structalias.h (alias_info): Change the type of
1670 processed_ptrs to VEC(tree,heap) *.
1672 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1675 * config/sh/lib1funcs.h: New file, broken out of:
1676 * config/sh/lib1funcs.asm.
1677 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1679 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1680 * config/sh/lib1funcs-Os-4-200.asm: New file.
1681 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1682 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1683 (EXTRA_MULTILIB_PARTS): Include it.
1684 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1685 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1686 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1687 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1690 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1692 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1693 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1694 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1696 * tree-ssa-live.h: Include vecprim.h.
1697 (tree_partition_associator_d): Change the type of
1698 first_partition to VEC(int,heap) *.
1699 (tpa_first_partition): Use VEC instead of VARRAY.
1701 * Makefile.in (GTFILES): Move functions.h after tree.h.
1702 * function.c (reset_block_changes, record_block_change,
1703 check_block_change, free_block_changes): Use VEC instead of
1705 * function.h (function): Change the type of
1706 ib_boundaries_block to VEC(tree,gc) *.
1707 * tree-inline.c (copy_cfg_body): Initialize
1708 ib_boundaries_block to NULL instead of (varray_type) 0.
1710 2006-04-12 Roger Sayle <roger@eyesopen.com>
1712 * expr.c (emit_group_store): Correct operand order in call to
1713 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1714 a SUBREG_BYTE of zero.
1716 2006-04-12 Richard Guenther <rguenther@suse.de>
1718 * profile.c (compute_branch_probabilities): Remove code
1719 encapsulated in !ir_type (), which are remanents of the
1720 removed RTL profiling code.
1721 * rtl-profile.c: Remove.
1723 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1725 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1726 magic NULL_RTX comment.
1727 (function_arg): Store entire fp arg to mem if any part should go
1729 (rs6000_arg_partial_bytes): Adjust for above change.
1731 2006-04-11 Roger Sayle <roger@eyesopen.com>
1733 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1734 if it hasn't been initialized by dwarf2out_init.
1736 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1738 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1739 symbolic constants in branch patterns.
1741 2006-04-11 Roger Sayle <roger@eyesopen.com>
1743 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1745 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1747 PR rtl-optimization/27073
1748 * gcse.c (try_replace_reg): Revert last change. Continue to search
1749 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1752 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1754 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1755 aggregate types other than record and union types.
1756 (function_arg): Likewise.
1757 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1759 (function_value): In 64-bit mode, return objects that require it
1762 2006-04-11 Roger Sayle <roger@eyesopen.com>
1764 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1766 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1768 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1770 2006-04-03 Jeff Law <law@redhat.com>
1773 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1774 alias information too.
1776 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1778 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1780 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1783 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1784 (premark_used_types_helper): New.
1785 (premark_used_types): New.
1786 (gen_subprogram_die): Call premark_used_types.
1787 (prune_unused_types_walk): Do not prune perennial dies.
1788 * function.c (used_types_insert): New.
1789 * function.h (struct function): Add used_types_hash field.
1790 (used_types_insert): Add prototype.
1791 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1792 * c-parser.c (c_parser_cast_expression): Save casted types in used
1795 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1798 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1799 rs6000_explicit_options.float_gprs.
1801 2006-04-10 Roger Sayle <roger@eyesopen.com>
1803 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1804 from ix86_expand_vector_init_low_nonzero. Take an additional
1805 one_var argument indicating which element is non-zero. Support
1806 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1807 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1808 with one_var instead of ix86_expand_vector_init_low_nonzero.
1810 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1812 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1813 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1814 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1815 build/genextract.o): Depend on vecprim.h.
1816 * cfglayout.c, df-problems.c, function.c, genextract.c,
1817 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1818 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1822 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1824 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1825 Declare VECs of this type.
1826 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1827 (remove_children): Delete.
1828 (add_dwarf_attr): Use VEC routines.
1829 (add_AT_flag): Update for changes to add_dwarf_attr.
1830 (add_AT_int): Likewise.
1831 (add_AT_unsigned): Likewise.
1832 (add_AT_long_long): Likewise.
1833 (add_AT_vec): Likewise.
1834 (add_AT_string): Likewise.
1835 (add_AT_die_ref): Likewise.
1836 (add_AT_fde_ref): Likewise.
1837 (add_AT_loc): Likewise.
1838 (add_AT_loc_list): Likewise.
1839 (add_AT_addr): Likewise.
1840 (add_AT_lbl_id): Likewise.
1841 (add_AT_lineptr): Likewise.
1842 (add_AT_macptr): Likewise.
1843 (add_AT_offset): Likewise.
1844 (add_AT_range_list): Likewise.
1845 (get_AT): Use VEC_iterate.
1846 (remove_AT): Use VEC_ordered_remove.
1847 (free_die): Fold remove_children into here; have it use VEC_iterate.
1848 (print_die): Use VEC_iterate on attrs.
1849 (reverse_die_lists): Don't reverse attr lists.
1850 (die_checksum): Use VEC_iterate on attrs.
1851 (same_die_p): Likewise.
1852 (output_location_lists): Likewise.
1853 (build_abbrev_table): Likewise.
1854 (size_of_die): Likewise.
1855 (unmark_all_dies): Likewise.
1856 (output_abbrev_section): Likewise.
1857 (output_die): Likewise.
1858 (prune_unused_types_walk_attribs): Likewise.
1860 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1862 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1864 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1867 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1869 2006-04-09 Roger Sayle <roger@eyesopen.com>
1871 * expr.c (store_constructor): Don't bother clearing target if
1872 we're about to assign a vector to it using vec_init_optab.
1874 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1876 * tree-ssa-alias.c (lhs_may_store_to): New function.
1877 (recalculate_used_alone): Handle LHS of calls.
1879 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1883 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1884 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1885 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1886 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1887 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1888 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1889 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1890 stubs. Add ".align 8" directives before all ".dword" directives.
1891 (GTHREAD_USE_WEAK): Revise comment.
1892 (TARGET_ATTRIBUTE_WEAK): Define.
1893 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1894 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1895 * stublib.c: New file.
1900 * pa.md (cbranch patterns): Revise arguments used in calls to
1901 output_cbranch, output_bb and output_bvd. Add long branch length
1903 (fbranch patterns): Handle long branches.
1904 (jump): Revise length check. Revise arguments for output_lbranch call.
1905 Add long branch length attributes.
1906 (decrement_and_branch_until_zero): Add long branch length attributes.
1907 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1908 Likewise. Revise arguments for output_parallel_addb and
1909 output_parallel_movb calls.
1910 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1911 output_parallel_movb and output_parallel_addb): Update prototypes.
1912 * pa.c (output_cbranch): Revise arguments. Correct handling of
1913 nullification in long branches.
1914 (output_lbranch): Add new argument to control extraction of delay
1916 (output_bb): Handle long branches.
1917 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1918 output_parallel_addb): Likewise.
1920 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1922 PR rtl-optimization/27073
1923 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1926 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1928 * tree.h (tree_memory_tag): Add old_used_alone.
1929 (SMT_OLD_USED_ALONE): New macro.
1930 * tree-ssa-alias.c (recalculate_used_alone): Stop
1931 marking things for renaming unnecessarily.
1933 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1935 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1936 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1937 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1938 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1939 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1940 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1941 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1942 spelling convensions.
1943 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1944 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1945 typos. Follow spelling conventions.
1947 2006-04-07 DJ Delorie <dj@redhat.com>
1949 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1950 passed on the stack.
1951 (m32c_init_cumulative_args): When a function returns a structure,
1952 always pass the pointer to that return area on the stack.
1953 (m32c_function_arg_advance): Don't increment the parameter number
1954 if we're processing the returned structure pointer.
1955 (pushm_info): Reverse order of registers.
1957 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1959 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1960 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1961 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1962 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1964 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1965 chrec_fold_multiply): Same.
1966 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1967 force_expr_to_var_cost): Same.
1968 * tree-mudflap.c (mf_xform_derefs_1): Same.
1969 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1971 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1973 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1974 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1977 2006-04-07 Jan Hubicka <jh@suse.cz>
1979 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1981 2006-04-07 Richard Guenther <rguenther@suse.de>
1983 PR tree-optimization/26135
1984 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1985 loads for store copy-prop.
1986 (copy_prop_visit_stmt): Likewise.
1988 2006-04-05 Robert Millan <robertmh@gnu.org>
1990 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1991 being overriden in config/k*bsd-gnu.h.
1992 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1994 * gcc/config/knetbsd-gnu.h: Ditto.
1996 2006-04-06 Jan Hubicka <jh@suse.cz>
2000 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2003 2006-04-06 Mike Stump <mrs@apple.com>
2005 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2006 for HAVE_nonlocal_goto to be consistent.
2007 (expand_builtin_nonlocal_goto): Likewise.
2008 (expand_builtin_strcmp): Use #ifdef instead of #if
2009 for HAVE_cmpstrnsi to be consistent.
2011 2006-04-05 DJ Delorie <dj@redhat.com>
2013 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2016 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2018 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2019 got-relative addressing for anything but SImode.
2021 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2022 even if the calling function doesn't modify them.
2024 2006-04-05 Richard Guenther <rguenther@suse.de>
2026 PR tree-optimization/26919
2027 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2028 to cgraph_estimate_size_after_inlining.
2030 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2032 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2034 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2036 PR tree-optimization/26996
2037 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2038 VECTOR_TYPE variables.
2040 2006-04-05 Richard Guenther <rguenther@suse.de>
2042 PR tree-optimization/26763
2043 * fold-const.c (fold_comparison): Move folding of
2044 PTR + CST CMP PTR + CST ...
2045 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2047 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2049 * doc/install.texi (Prerequisites): Refine some wording on
2050 bootstrapping and ksh.
2051 Move the version numbers of DejaGnu here from the testing section
2052 and fix casing of names.
2053 Fix markup and clarify wording for autogen requirements.
2054 Refer to GCJ instead of just java.
2055 Refer to SVN instead of CVS.
2056 Describe diffutils as useful instead of necessary.
2057 (Downloading the source): Refer to SVN instead of CVS.
2058 Adjust a link to our web site accordingly.
2059 (Configuration): Fix casing of Bison.
2060 (Building): Refer to SVN instead of CVS.
2061 Fix a sentence on the use of Bison and remove duplicate (and
2062 incorrect) version number of Bison requirement.
2063 Remove one redundant list of packages needed for building.
2064 (Specific): Avoid reference to CVS.
2066 2006-04-04 Eric Christopher <echristo@apple.com>
2068 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2069 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2070 (rs6000_handle_struct_attribute): New.
2071 (rs6000_ms_bitfield_layout_p): Ditto.
2073 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2075 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2076 NULL for dso parameter to atexit_common.
2078 2006-04-04 Eric Christopher <echristo@apple.com>
2080 * config/i386/i386.c (machopic_output_stub): Output \t
2081 between instructions and operands.
2083 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2085 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2086 satisfies_constraint_[IL] to explicit tests on value.
2088 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2090 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2091 set_nb_iterations_in_loop): Use build_int_cst instead of
2093 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2094 build_int_cst instead of convert.
2096 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2098 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2099 new value 2 for incoming.
2100 * function.c (expand_function_start): Call struct_value_rtx
2102 * config/sparc/sparc.md: Comment updated_return.
2103 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2104 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2105 struct return if sparc_std_struct_return and incoming is 2.
2106 (print_operand): Do not adjust return if
2107 sparc_std_struct_return.
2109 2006-04-04 Roger Sayle <roger@eyesopen.com>
2111 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2112 convert in the middle-end.
2113 * expr.c (store_expr, store_constructor, get_inner_reference,
2114 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2116 * tree.c (build_range_type): Likewise.
2118 2006-04-04 Tom Tromey <tromey@redhat.com>
2120 * doc/install.texi (Prerequisites): Mention jar.
2122 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2124 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2127 2006-04-04 Matthias Klose <doko@debian.org>
2129 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2130 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2133 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2135 * doc/extend.texi (Function Attributes): Rewrite visibility
2136 attribute documentation.
2137 * doc/invoke.texi (C++ Dialect Options): Rewrite
2138 -fvisibility-inlines-hidden documentation to describe something
2139 entirely different, although in practise compatible.
2140 (Code Gen Options): Warn about system headers in -fvisibiltity=
2143 * doc/extend.texi (Other Builtins): Document that
2144 __builtin_nan is a compile-time constant only when its argument
2147 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2149 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2150 trying to remove TRUNCATE check if all bits outside the new mode
2151 are identical to the sign bit.
2153 2006-04-03 Jeff Law <law@redhat.com>
2155 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2156 and operand scanning in some common cases.
2158 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2159 Dale Johannesen <dalej@apple.com>
2162 * regclass.c (struct reg_pref): Update documentation.
2163 (regclass): Set prefclass to NO_REGS if memory is the best option.
2164 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2165 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2166 into account. For non-registers, equate an empty preferred
2167 reload class to a `!' in the constraint; move the if clause to
2168 do so after those that reject the insn.
2169 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2171 (find_dummy_reload): Likewise.
2172 * doc/tm.texi (Register Classes): Document what it means
2173 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2174 * config/i386/i386.c (ix86_preferred_reload_class): Force
2175 using SSE registers (and return NO_REGS for floating-point
2176 constants) if math is done with SSE.
2177 (ix86_preferred_output_reload_class): New.
2178 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2179 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2180 * config/i386/i386.md: Remove # register preferences.
2182 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2185 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2186 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2187 the type of nb_iter.
2188 (instantiate_parameters_1): Convert the operands before calling
2189 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2190 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2192 2006-04-02 Roger Sayle <roger@eyesopen.com>
2194 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2195 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2197 * dojump.c (do_jump): Likewise.
2198 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2199 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2200 gimplify_boolean_expr): Likewise.
2201 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2202 * varasm.c (array_size_for_constructor): Likewise.
2203 * tree-object-size.c (compute_object_offset): Likewise.
2205 2006-04-02 Roger Sayle <roger@eyesopen.com>
2208 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2209 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2211 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2213 PR tree-optimization/26939
2214 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2216 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2218 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2219 at_stmt. Convert the type of operands before calling
2220 build_polynomial_chrec.
2221 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2223 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2224 (instantiate_parameters_1): Convert the type of operands before calling
2225 build_polynomial_chrec.
2226 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2227 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2228 reset_evolution_in_loop): Insert asserts to check the types of the
2230 (chrec_type): Moved...
2231 (eq_evolutions_p): Use operand_equal_p.
2232 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2233 the types of the operands.
2234 (chrec_type): ...here.
2235 * tree-data-ref.c (create_data_ref): Convert the operands before
2236 calling chrec_replace_initial_condition.
2237 (same_access_functions, analyze_subscript_affine_affine,
2238 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2239 (compute_subscript_distance, analyze_ziv_subscript,
2240 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2241 analyze_miv_subscript): Convert the operands before calling
2242 chrec_fold_minus or chrec_fold_plus.
2244 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2246 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2247 the dependence_relations vector.
2248 (compute_data_dependences_for_loop): Adjust call to
2249 compute_all_dependences.
2251 2006-04-01 Roger Sayle <roger@eyesopen.com>
2252 Richard Henderson <rth@redhat.com>
2254 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2255 gimple_boolify on the condition before calling gimplify_expr.
2257 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2259 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2260 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2261 the frame size. Update to use the new macros.
2262 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2263 * config/xtensa/ieee754-df.S: Likewise.
2265 2006-03-31 Richard Henderson <rth@redhat.com>
2267 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2268 (make_edges): ... here. Control fallthru creation with a local
2269 variable. Do not play with fake edges.
2270 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2271 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2274 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2276 * dwarf2.h (DW64_CIE_ID): Define.
2277 * dwarf2out.c (DWARF_CIE_ID): Define.
2278 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2279 length header. Use DWARF_CIE_ID.
2280 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2281 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2283 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2285 * config/sh/linux-atomic.asm: New file.
2286 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2288 2006-03-31 DJ Delorie <dj@redhat.com>
2290 * config/m32c/cond.md: Set condition flags properly throughout.
2291 * config/m32c/minmax.md: Likewise.
2292 * config/m32c/prologue.md: Likewise.
2293 * config/m32c/bitops.md: Likewise.
2294 * config/m32c/muldiv.md: Likewise.
2295 * config/m32c/mov.md: Likewise.
2296 * config/m32c/addsub.md: Likewise.
2297 * config/m32c/m32c.md: Likewise.
2298 * config/m32c/jump.md: Likewise.
2299 * config/m32c/shift.md: Likewise.
2301 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2302 conditionally output the pattern for this.
2303 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2304 (m32c_compare_redundant): New.
2305 (m32c_output_compare): New.
2306 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2308 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2309 dest, not src. Allow other 4-byte modes.
2311 2006-03-30 Denis Chertykov <denisc@overta.ru>
2313 * doc/md.texi: Refer to avr/constraints.md instead of
2316 2006-03-30 Roger Sayle <roger@eyesopen.com>
2318 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2319 signed vs. unsigned comparison failures on some hosts.
2321 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2324 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2325 change to FLOAT_REGS.
2327 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2328 (rs6000_override_options): Use it.
2329 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2330 only for -mabi=spe/no-spe and -mabi=altivec.
2332 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2334 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2337 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2339 * Makefile.in: Rename docdir to gcc_docdir.
2341 2006-03-30 Roger Sayle <roger@eyesopen.com>
2344 * expr.c (emit_group_store): Optimize group stores into a pseudo
2345 register by using a paradoxical subreg to initialize the destination
2346 if the first or last member of the group specifies a "low part".
2348 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2351 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2352 * target.h (struct gcc_target.speculate_insn): Change type of the
2353 second parameter to 'int'.
2354 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2355 the second operand of the DEPS_LIST.
2356 (copy_DEPS_LIST_list): Update reference to the second operand of the
2358 * rtl.h (alloc_DEPS_LIST): Update signature.
2359 * sched-int.h (ds_t): Change typedef to 'int'.
2360 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2362 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2364 * haifa-sched.c (try_ready): Change condition to restore
2365 non-speculative pattern of the instruction.
2366 (process_insn_depend_be_in_spec): Code to keep probability of the
2367 speculative dependence non-decreasing.
2369 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2371 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2372 (single_move_for_movmem): ... this. Also change all uses.
2373 (bfin_expand_strmov): Renamed to...
2374 (bfin_expand_movmem): ... this. Also change all uses.
2375 * config/bfin/bfin.md (movstrsi): Renamed to...
2376 (movstrsi): ...this.
2378 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2380 PR tree-optimization/26830
2382 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2383 (copy_prop_visit_stmt): Remove write-only variable ann.
2384 (init_copy_prop): Check variable loop depth here. Do not simulate
2385 memory-tag and virtual operand PHIs except for store copy prop.
2387 2006-03-30 Richard Guenther <rguenther@suse.de>
2389 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2390 variants with double arguments.
2392 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2394 * genpreds.c (write_tm_constrs_h): Delete variable p.
2395 * genconditions.c (write_header): Add tm-constrs.h to included
2397 * genpeep.c (main): Add toplev.h to included headers.
2398 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2399 (build/genpeep.o): Add toplev.h dependency.
2400 * config/rs6000/constraints.md: Add "W" constraint.
2402 2006-03-29 Roger Sayle <roger@eyesopen.com>
2404 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2405 sizes by correctly testing whether the size fits a host integer.
2406 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2407 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2408 SImode range for the default sizetype and bitsizetype.
2410 2006-03-29 Roger Sayle <roger@eyesopen.com>
2412 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2413 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2414 quickly if the argument is already of the correct type.
2415 Call fold_build1 instead of build1. Tidy up blank lines.
2417 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2419 * genemit.c (main): Add tm-constrs.h to included headers.
2420 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2421 * genpeep.c (main): Add tm-constrs.h to included headers.
2422 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2423 (write_tm_constrs_h): this and write complete file.
2424 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2425 (write_insn_preds_c): Add tm-constrs.h to included headers.
2426 (gen_constrs): New variable.
2427 (parse_option): Parse "-c".
2428 (main): Invoke write_tm_constrs_h.
2429 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2430 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2431 (object_out_file): Add tm-constrs.h dependency.
2432 (insn-emit.o): Same.
2433 (insn-output.o): Same.
2434 (insn-peep.o): Same.
2435 (insn-preds.o): Same.
2436 (insn-recog.o): Same.
2437 (tm-constsr.h): New target.
2438 (s-constrs-h): New target.
2440 * config/rs6000/constraints.md: New file.
2441 * config/rs6000/rs6000.c: Include tm-constrs.h.
2442 (num_insn_constant_wide): Convert to satisfies_constraint.
2443 (rs6000_rtx_costs): Convert to satisfies_constraint.
2444 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2445 (CONST_OK_FOR_LETTER_P): Delete.
2446 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2447 (EXTRA_CONSTRAINT): Delete.
2448 (EXTRA_MEMORY_CONSTRAINT): Delete.
2449 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2450 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2451 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2452 satisfies_constraint.
2454 * config/i386/i386.c: Include tm-constrs.h.
2456 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2458 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2459 * tree-data-ref.c (find_data_references_in_loop,
2460 compute_data_dependences_for_loop): Use pointers to VEC.
2461 (analyze_all_data_dependences): Adjust calls.
2462 * tree-data-ref.h (find_data_references_in_loop,
2463 compute_data_dependences_for_loop): Adjust declarations.
2464 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2465 compute_data_dependences_for_loop.
2467 2006-03-29 Paul Brook <paul@codesourcery.com>
2469 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2472 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2474 PR tree-optimization/26859
2475 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2477 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2478 for the step after fold_convert.
2480 2006-03-29 Paul Brook <paul@codesourcery.com>
2482 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2483 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2485 2006-03-29 Paul Brook <paul@codesourcery.com>
2488 * targhooks.c (default_narrow_bitfield): New fuction.
2489 * targhooks.h (default_narrow_bitfield): add prototype.
2490 * target.h (gcc_target): Add narrow_volatile_bitfield.
2491 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2492 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2493 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2494 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2496 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2498 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2500 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2501 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2502 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2503 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2504 (s390_function_arg_float): Allow SDmode and DDmode values to be
2505 passed in floating point registers.
2506 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2507 check with SCALAR_FLOAT_MODE_P.
2508 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2510 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2512 PR tree-optimization/25985
2513 * tree-ssa-loop-niter.c (number_of_iterations_le,
2514 number_of_iterations_ne): Make comments more precise.
2515 (number_of_iterations_cond): Add only_exit argument. Use the
2516 fact that signed variables do not overflow only when only_exit
2518 (loop_only_exit_p): New.
2519 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2520 number_of_iterations_cond.
2522 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2524 PR tree-optimization/26643
2525 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2528 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2530 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2531 (divsi3_i4_int): Likewise.
2533 2006-03-28 Roger Sayle <roger@eyesopen.com>
2535 * expr.c (emit_group_store): Only create a new pseudo reg if the
2536 quantity it needs to hold isn't already a suitable pseudo.
2538 2006-03-28 Jeff Law <law@redhat.com>
2540 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2541 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2543 2006-03-28 Roger Sayle <roger@eyesopen.com>
2545 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2546 the equivalent ~X & Y, and the symmetry related transformations.
2547 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2548 ~X & Y, and symmetry related transforms.
2550 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2552 Revert my 2006-03-27 patches.
2554 2006-03-28 Roger Sayle <roger@eyesopen.com>
2556 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2557 ~(T1)X, when T1 and T2 are integer types of the same precision
2558 and (T2)X isn't an extension.
2560 2006-03-28 Jeff Law <law@redhat.com>
2562 PR tree-optimization/26796
2563 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2564 need EH edge cleanups rather than purging them immediately.
2565 (eliminate_degenerate_phis): Handle queued EH cleanups.
2567 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2569 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2572 2006-03-27 Roger Sayle <roger@eyesopen.com>
2575 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2576 cast BIT_NOT_EXPR operand to the correct type.
2578 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2580 * tree-loop-linear.c: Don't include varray.h.
2581 (gather_interchange_stats, try_interchange_loops,
2582 linear_transform_loops): Use VEC instead of VARRAY.
2583 * lambda-mat.c: Don't include varray.h.
2584 * tree-chrec.c: Same.
2585 * lambda-trans.c: Same.
2586 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2587 VEC instead of VARRAY.
2588 * tree-vectorizer.h: Idem.
2589 * tree-data-ref.c (dump_data_references,
2590 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2591 initialize_data_dependence_relation, finalize_ddr_dependent,
2592 compute_all_dependences, find_data_references_in_loop,
2593 compute_data_dependences_for_loop, analyze_all_data_dependences,
2594 free_dependence_relation, free_dependence_relations,
2595 free_data_refs): Idem.
2596 * tree-data-ref.h (data_reference_p, subscript_p): New.
2597 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2598 VEC instead of VARRAY.
2599 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2600 (find_data_references_in_loop, compute_data_dependences_for_loop,
2601 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2602 dump_data_dependence_relations, free_dependence_relations,
2603 free_data_refs): Adjust declaration.
2604 (lambda_transform_legal_p): Move declaration here...
2605 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2606 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2607 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2608 vect_analyze_data_refs): Use VEC instead of VARRAY.
2609 * lambda.h (lambda_transform_legal_p): ...from here.
2610 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2611 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2612 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2613 tree-chrec.o): Don't depend on VARRAY_H.
2615 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2617 * rtl.def (Copyright): Update date.
2618 (DEPS_LIST): Change type of the second operand to 'int'.
2619 * target.h (Copyright): Update date.
2620 (struct gcc_target.speculate_insn): Change type of the second parameter
2622 * lists.c (Copyright): Update date.
2623 (alloc_DEPS_LIST): Change signature. Update reference to the second
2624 operand of the DEPS_LIST.
2625 (copy_DEPS_LIST_list): Update reference to the second operand of the
2627 * rtl.h (Copyright): Update date.
2628 (alloc_DEPS_LIST): Update signature.
2629 * sched-int.h (Copyright): Update date.
2630 (ds_t): Change typedef to 'int'.
2631 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2633 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2635 * haifa-sched.c (Copyright): Update date.
2636 (try_ready): Change condition to restore non-speculative pattern
2638 (process_insn_depend_be_in_spec): Code to keep probability of the
2639 speculative dependence non-decreasing.
2641 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2643 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2644 shut up the compiler.
2646 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2648 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2649 to use lib prefix for target.
2650 ($(T)libic_invalidate_array_4-200.a): Likewise.
2651 ($(T)libic_invalidate_array_4a.a): Likewise.
2653 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2654 J"orn Rennecke <joern.rennecke@st.com>
2656 * superh.opt: New file.
2657 * sh.c (boardtype, osruntime): Remove.
2658 * superh.h (SUBTARGET_OPTIONS): Remove.
2659 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2661 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2662 arguments with ^ and/or [].
2664 * config.gcc (sh-*-*): Add quoting to account for quirk of
2666 Replace == with = in enable_incomplete_targets test.
2668 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2669 with MASK_LITTLE_ENDIAN.
2671 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2672 * config/sh/sh.opt: Added to some comments.
2673 * config/sh/superh.h: Removed some chaff.
2675 * config/sh/sh.opt: Add m4-[1234]00* options.
2676 * config/sh/sh.c (sh_handle_option): Likewise.
2677 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2678 (ic_invalidate_array_4-100.o): New rule.
2679 ($(T)libic_invalidate_array_4-100.a): Likewise.
2680 (ic_invalidate_array_4-200.o): Likewise.
2681 ($(T)libic_invalidate_array_4-200.a): Likewise.
2682 (ic_invalidate_array_4a.o): Likewise.
2683 ($(T)libic_invalidate_array_4a.a): Likewise.
2684 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2685 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2687 * config/sh/crt1.asm: Merged in profiling code.
2688 * config/sh/superh.h (STARTFILE_SPEC): Override.
2689 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2690 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2691 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2693 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2694 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2695 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2697 * sh.opt (mpretend-cmove): New option.
2698 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2699 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2700 (movsicc): Add TARGET_PRETEND_CMOVE code.
2702 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2704 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2705 s390_class_max_nregs): New function prototypes.
2706 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2707 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2708 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2709 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2711 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2713 * dwarf2out.c (add_location_or_const_value_attribute): Call
2714 tree_add_const_value_attribute if nothing else works.
2715 (reference_to_unused): New.
2716 (rtl_for_decl_init): Use reference_to_unused to decide whether
2717 to output an initializer.
2719 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2722 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2723 peephole removing spe frob_di_df_2.
2725 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2727 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2728 (subscript_dependence_tester_1): Declared.
2729 (print_dir_vectors, print_dist_vectors): New.
2730 (debug_data_dependence_relation): New.
2731 (dump_data_dependence_relation): Print more details.
2732 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2733 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2734 (save_dist_v, save_dir_v, add_outer_distances,
2735 build_classic_dist_vector_1): New.
2736 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2737 Don't test for lambda_vector_lexico_pos.
2738 (same_access_functions, add_multivariate_self_dist,
2739 add_other_self_distances, dir_from_dist): New.
2740 (build_classic_dir_vector): Replace implementation almost identical to
2741 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2743 (subscript_dependence_tester_1): New.
2744 (subscript_dependence_tester): Handle the lexicographically negative
2745 distance vectors by recomputing the dependence relation.
2746 (compute_affine_dependence): Remove parameter loop_nest_depth.
2747 (compute_self_dependence): Don't call compute_subscript_distance.
2748 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2749 Add a parameter for the loop_nest.
2750 (find_loop_nest_1, find_loop_nest): New.
2751 (compute_data_dependences_for_loop): Compute the loop nest, and give
2752 up if the nest is not well formed.
2753 * tree-data-ref.h (loop_p): New.
2754 (struct data_dependence_relation): Replace size_vect field with
2755 loop_nest, a vec of loops.
2756 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2757 (DDR_LOOP_NEST): New.
2758 (print_dir_vectors, print_dist_vectors,
2759 debug_data_dependence_relation): Declared.
2760 (index_in_loop_nest): New.
2761 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2762 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2765 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2767 * simplify-rtx.c (simplify_relational_operation): Call
2768 simplify_relational_operation_1 even if mode is VOIDmode.
2770 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2772 PR tree-optimization/26804
2773 * tree.h (DECL_CALL_CLOBBERED): New macro.
2774 (tree_decl_common): Add call_clobbered_flag.
2775 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2776 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2777 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2778 (mark_non_addressable): Ditto.
2779 * tree-ssa.c (verify_call_clobbered): New function.
2780 (verify_alias_info): Use it.
2781 * tree-pass.h (pass_reset_cc_flags): New prototype.
2782 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2783 (reset_cc_flags): New function.
2784 * passes.c (init_optimization_passes): Call reset_cc_flags after
2785 initializing referenced_vars.
2787 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2788 Roger Sayle <roger@eyesopen.com>
2791 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2792 to 1.0 for non-real operands. Implement A / A optimization for
2795 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2797 * config/i386/i386.c (size_cost): Correct the comment for
2798 cost of storing fp registers.
2799 (i386_cost): Likewise.
2800 (i486_cost): Likewise.
2801 (pentium_cost): Likewise.
2802 (pentiumpro_cost): Likewise.
2803 (k6_cost): Likewise.
2804 (athlon_cost): Likewise.
2805 (k8_cost): Likewise.
2806 (pentium4_cost): Likewise.
2807 (nocona_cost): Likewise.
2808 (generic64_cost): Likewise.
2809 (generic32_cost): Likewise.
2811 2006-03-24 Denis Chertykov <denisc@overta.ru>
2813 * config/avr/avr-protos.h (extra_constraint): Delete.
2814 (extra_constraint_Q): New declaration.
2815 * config/avr/constraints.md: New file.
2816 * config/avr/avr.md: Include it.
2817 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2818 (TMP_REGNO, ZERO_REGNO): Likewise.
2819 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2820 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2821 (extra_constraint): Delete.
2822 (extra_constraint_Q): Test for memory constraint 'Q'.
2823 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2824 (REG_CLASS_FROM_LETTER): Delete.
2825 (CONST_OK_FOR_LETTER_P): Delete.
2826 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2827 (EXTRA_CONSTRAINT): Delete.
2828 (TMP_REGNO): Delete.
2829 (ZERO_REGNO): Delete.
2831 2006-03-24 Jeff Law <law@redhat.com>
2833 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2834 directly. Call mark_new_vars_to_rename slightly earlier.
2836 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2838 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2840 (gen_compile_unit_die): Use new language types for Objective-C and
2842 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2843 DW_LANG_C_plus_plus.
2846 * config/t-darwin (crt3.o): Work around bug 26840.
2847 * config/darwin-crt3.c: Rewrite.
2848 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2850 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2852 * doc/invoke.texi: Document -femit-class-debug-always
2853 * common.opt: Add -femit-class-debug-always.
2855 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2857 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2858 index and base register.
2859 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2860 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2861 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2862 REGNO_OK_FOR_INDEX_P.
2863 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2865 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2866 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2867 REG_OK_FOR_BASE_P): Definitions removed.
2869 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2872 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2873 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2874 set yet or weren't marked as local yet.
2876 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2878 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2881 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2883 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2884 (rs6000_legitimate_small_data_p): Delete.
2885 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2886 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2887 and make static. Add forward declaration. Update uses.
2888 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2889 of offsettable_memref_p.
2890 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2891 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2893 2006-03-24 Jeff Law <law@redhat.com>
2895 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2896 around bug in immediate-use iterator.
2898 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2901 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2902 or __LITTLE_ENDIAN__.
2904 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2906 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2907 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2908 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2909 * config/sh/sh.opt (mdiv=): Amend description.
2910 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2911 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2912 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2913 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2914 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2915 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2916 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2917 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2918 TARGET_DIVIDE_CALL_FP.
2920 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2922 * haifa-sched.c (choose_ready): Fix type of the local variable.
2923 Move local variables. Add comment.
2924 (check_reg_live): Change signature. Make callable from debugger.
2925 * sched-int.h (check_reg_live): Update signature.
2926 * sched-ebb.c (check_reg_live): Update parameters.
2927 * sched-rgn.c (check_reg_live): Ditto.
2928 (region_head_or_leaf_p): Check pointer before dereferencing.
2929 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2930 before reload on optimization levels below 1.
2932 2006-03-23 Richard Henderson <rth@redhat.com>
2934 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2938 * config/alpha/predicates.md (local_symbolic_operand): Reject
2941 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2944 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2945 expressions which have overflowed constants.
2947 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2949 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2951 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2953 * cfgloopmanip.c (create_loop_notes): Removed.
2954 * final.c (final_scan_insn): Do not handle loop notes.
2955 * jump.c (squeeze_notes): Ditto.
2956 * cfglayout.c (skip_insns_after_block,
2957 duplicate_insn_chain): Ditto.
2958 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2960 * cfgloop.h (create_loop_notes): Declaration removed.
2962 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2964 * varasm.c (output_constant_pool): Restore fnname and fndecl
2966 (assemble_start_function): Adjust call accordingly.
2967 (assemble_end_function): Likewise.
2969 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2972 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2975 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2977 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2980 * system.h (ICE_EXIT_CODE): New macro.
2981 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2982 (diagnostic_action_after_output): Likewise.
2983 * gcc.c (fatal_ice): New function.
2984 (execute): Use it instead of fatal.
2985 (fancy_abort): Likewise.
2986 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2988 2006-03-22 Jeff Law <law@redhat.com>
2990 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2991 iv_analyze_result returning false.
2993 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2995 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2997 2006-03-22 Richard Henderson <rth@redhat.com>
3000 * except.c (duplicate_eh_regions_0): New.
3001 (duplicate_eh_region_1): Duplicate the children of the node as
3002 well as the node itself. Link them up properly.
3003 (duplicate_eh_region_2): Merge into ...
3004 (duplicate_eh_regions): ... here. Take copy_region argument, and
3005 copy only a sub-tree if asked. Simplify copying and fixup.
3006 (eh_region_outer_p): New.
3007 * except.h (duplicate_eh_regions): Update decl.
3008 (eh_region_outer_p): Declare.
3009 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3010 (lower_omp_master): Likewise.
3011 (lower_omp_ordered): Likewise.
3012 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3013 (move_stmt_r): Use it to remap labels. Handle recursion vs
3014 remap_decls_p properly.
3015 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3016 (find_outermost_region_in_block): New.
3017 (new_label_mapper): New.
3018 (move_sese_region_to_fn): Copy eh information to the new function
3020 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3022 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3025 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3027 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3028 into shared libraries.
3030 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3032 * doc/md.texi: Refer to i386/constraints.md instead of
3034 * config/i386/constraints.md: New file, extracted from...
3035 * config/i386/predicates.md: ...here.
3036 * config/i386/i386.md: Include constraints.md.
3038 2006-03-21 Jason Merrill <jason@redhat.com>
3040 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3043 * expr.c (init_block_move_fn): Force default visibility.
3044 (init_block_clear_fn): Likewise.
3045 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3046 * targhooks.c (default_external_stack_protect_fail): Likewise.
3048 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3050 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3051 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3052 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3053 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3054 (loadgp): Use mips_current_loadgp_style.
3055 (loadgp_noshared): New pattern.
3056 (sibcall_internal): Use MIPS_CALL.
3057 (sibcall_value_internal): Likewise.
3058 (sibcall_value_multiple_internal): Likewise.
3059 (call_internal): Likewise.
3060 (call_value_internal): Likewise.
3061 (call_value_multiple_internal): Likewise.
3062 (call_split): Use MIPS_CALL and add an 'S' constraint.
3063 (call_value_split): Likewise.
3064 (call_value_multiple_split): Likewise.
3065 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3066 (-mshared): New option.
3067 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3068 (mips_current_loadgp_style): Declare.
3069 * config/mips/mips.c (mips_classify_symbol): Avoid using
3070 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3071 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3072 TARGET_ABSOLUTE_ABICALLS.
3073 (override_options): Adjust comments. Improve the warning that is
3074 issued when -mabicalls and -G are used together.
3075 (mips_file_start): Remove comment.
3076 (mips_current_loadgp_style): New function.
3077 (mips_gnu_local_gp): New variable.
3078 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3080 (mips_output_function_prologue): Use mips_current_laodgp_style.
3081 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3082 the cprestore instruction.
3083 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3084 live for TARGET_ABSOLUTE_ABICALLS.
3085 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3086 (ASM_SPEC): Pass down -mshared and -mno-shared.
3087 (MIPS_CALL): New macro.
3088 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3090 * doc/invoke.texi (-mabicalls): Update documentation.
3091 (-mshared): Document.
3093 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3095 * config/ia64/unwind-hpux.c: New file.
3096 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3098 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3101 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3103 2006-03-21 Jeff Law <law@redhat.com>
3105 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3106 type conversions of a VR_VARYING source to a wider type.
3108 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3110 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3111 tm_file on Solaris 10 and later.
3112 (sparc64-*-solaris2*): Likewise.
3113 (sparc-*-solaris2*): Likewise.
3114 * config/sol26.h: Rename to config/sol2-6.h.
3115 * config/sol2-10.h: New file.
3117 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3120 * tree-ssa-pre.c (create_component_ref_by_pieces):
3123 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3126 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3127 return it immediately.
3129 2006-03-21 Michael Matz <matz@suse.de>
3131 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3133 (remove_arc, add_arc): Update num_out_arcs member.
3134 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3136 (cache_presence): New function.
3137 (compare_states_for_equiv): New function.
3138 (state_is_differed): Don't take number of outargs, adjust callers.
3139 Use new invariant for speeding up.
3140 (init_equiv_class): Create initial classes based on sorted
3142 (partition_equiv_class): Don't track out_arcs_num.
3143 (evaluate_equiv_classes): Call cache_presence on all states and
3146 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3148 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3149 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3150 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3151 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3153 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3154 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3155 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3156 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3157 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3159 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3160 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3161 (REGNO_REG_CLASS): ARGP is in PREGS.
3162 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3164 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3165 to deal with those addresses.
3166 * addresses.h: New file.
3167 * caller-save.c: Include "addresses.h".
3168 (init_caller_save): Use new base_reg_class function.
3169 * rtl-factoring.c: Include "addresses.h".
3170 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3171 * recog.c: Include "addresses.h".
3172 (preprocess_constraints): Use new base_reg_class function.
3173 * regrename.c: Include "addresses.h".
3174 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3175 functions. Keep track of a new var INDEX_CODE to compute valid
3177 (replace_oldest_value_addr): Likewise.
3178 (replace_oldest_value_mem): Use base_reg_class.
3179 * reload.c: Include "addresses.h".
3180 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3181 (find_reloads): Use new base_reg_class function.
3182 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3183 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3184 all callers and prototype changed.
3185 * reload1.c: Include "addresses.h".
3186 (maybe_fix_stack_asms): Use base_reg_class.
3187 * regclass.c: Include "addresses.h".
3188 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3189 (init_reg_autoinc): Use new base_reg_class function.
3190 (record_reg_classes): Likewise.
3191 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3192 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3193 Use new args to compute necessary class.
3195 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3196 regrename.o, rtl-factoring.o): Update dependencies.
3197 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3198 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3199 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3200 REG_OK_FOR_INDEX_P): Delete documentation.
3202 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3204 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3205 from V7 to V9 for Solaris 7 and above.
3207 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3209 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3210 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3211 argument pointers may not alias any other storage.
3212 * common.opt: Define option -fargument-noalias-anything.
3213 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3214 alias semantics is specified by flag_argument_noalias > 2.
3216 2006-03-20 Jeff Law <law@redhat.com>
3218 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3219 (pass_phi_only_cprop): Declare.
3220 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3222 * tree-ssa-dom.c (degenerate_phi_result): New function.
3223 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3224 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3225 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3226 (eliminate_degenerate_phis): Likewise.
3227 (pass_phi_only_cprop): New pass descriptor.
3228 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3229 support code. Callers updated.
3230 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3231 (store_copy_prop): Likewise.
3232 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3234 2006-03-20 Jason Merrill <jason@redhat.com>
3237 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3238 (push_visibility, pop_visibility): Likewise.
3239 * c-pragma.h: Declare them.
3241 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3243 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3245 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3246 parameter and use get_ebb_head_tail.
3247 (sh_md_init_global): Adjust uses of find_regmode_weight.
3249 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3251 * function.h (struct function) <x_tail_recursion_reentry>:
3252 Rename to x_stack_check_probe_note.
3253 (tail_recursion_reentry): Rename to stack_check_probe_note.
3254 * function.c: Replace tail_recursion_reentry with
3255 stack_check_probe_note everywhere.
3256 (expand_function_start): Only emit a note for
3257 stack_check_probe_note with -fstack-protect.
3258 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3260 * emit-rtl.c (remove_unnecessary_notes): Remove.
3261 (pass_remove_unnecessary_notes): Remove.
3262 * rtl.h (remove_unnecessary_notes): Remove prototype.
3263 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3264 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3265 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3267 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3270 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3271 (valid_in_set): Handle ARRAY_REF.
3272 Change "if min_variant or VH" to asserts.
3273 (create_component_ref_by_pieces): Handle ARRAY_REF.
3274 (create_expression_by_pieces): Likewise.
3275 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3277 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3279 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3280 is operand of switch, not str[0].
3282 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3284 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3285 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3287 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3289 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3290 end of insn_extra_address_constraint declaration.
3292 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3294 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3295 (no-sum-in-toc): Same.
3296 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3298 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3299 NO_FP_IN_TOC for -fPIC instead of mask.
3301 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3302 (BOOT_LDFLAGS): Delete.
3304 * config/rs6000/t-aix52: Same.
3306 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3307 (stmsi[345678]_power): New.
3309 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3311 * config/ia64/ia64.opt: Add empty line to end of file.
3313 2006-03-17 Richard Guenther <rguenther@suse.de>
3316 * builtins.c (get_pointer_alignment): For component style references
3317 adjust alignment to the component type alignment. Make sure
3318 to adjust alignment for component access of constants.
3320 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3322 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3325 2006-03-17 Paul Brook <paul@codesourcery.com>
3327 * doc/install.texi: Docuemnt --with-mode.
3328 * config.gcc: Add --with-mode for arm*-*-*.
3329 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3331 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3333 * sh.c (max_labelno_before_reorg): New variable.
3334 (sh_reorg): Initialize it.
3335 (find_barrier): Check max_labelno_before_reorg before using
3336 label_to_alignment. Take length of explicit alignment insns
3337 into account. When seeing a UNSPECV_CONST_END, return it.
3339 * sh.c (fixup_mova): Set mode of affected label to QImode.
3340 (untangle_mova): New function.
3341 (find_barrier): Use it. Check mode of label before decrementing
3343 (sh_reorg): Likewise.
3344 Set mode of all insns back to VOIDmode.
3346 * sh.c (MOVA_LABELREF): New macro.
3347 (mova_p, fixup_mova, sh_reorg): Use it.
3348 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3349 ADDR_DIFF_VEC matches mova.
3351 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3353 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3354 with ATTRIBUTE_UNUSED.
3356 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3358 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3359 pointer, instead of assuming it is possible to derive the
3360 correct args size from a call insn.
3362 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3364 * rtl.h (CONST_INT_P): Define.
3365 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3366 instead of GET_CODE(x) == CONST_INT.
3367 (vax_rtx_costs): Likewise.
3368 (vax_output_int_move): Likewise.
3369 (vax_output_int_add): Likewise.
3370 (legitimate_constant_address_p): Likewise.
3371 (index_term_p): Likewise.
3372 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3373 * config/vax/vax.md (and<mode>3): Likewise.
3374 (ashrsi3): Likewise.
3376 (movstricthi): Likewise.
3377 (movstrictqi): Likewise.
3378 (rotrsi3): Likewise.
3379 (five unnamed insns): Likewise.
3381 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3383 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3384 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3385 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3386 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3387 Pass to ASM_OUTPUT_DWARF_OFFSET.
3388 * dwarf2out.c (debug_frame_section): New.
3389 (output_call_frame_info): Use debug_frame_section. Pass it to
3390 dw2_asm_output_offset.
3391 (output_die): Pass appropriate section to dw2_asm_output_offset.
3392 (output_compilation_unit_header): Likewise.
3393 (output_pubnames): Likewise.
3394 (output_aranges): Likewise.
3395 (enum dw_val_class): Break dw_val_class_lbl_offset into
3396 dw_val_class_lineptr and dw_val_class_macptr.
3397 (add_AT_lbl_offset): Delete.
3398 (add_AT_lineptr): New.
3399 (add_AT_macptr): New.
3400 (AT_lbl): Expect a lineptr or macptr.
3401 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3402 (attr_checksum): Likewise.
3403 (same_dw_val_p): Likewise.
3404 (size_of_die): Likewise.
3405 (value_format): Likewise.
3406 (output_die): Likewise.
3407 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3409 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3410 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3411 * config/darwin-protos.h (darwin_file_start): New.
3412 (darwin_asm_output_dwarf_offset): New.
3413 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3414 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3416 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3417 if not EH section; simplify.
3418 (darwin_file_start): New.
3419 (darwin_asm_output_dwarf_offset): New.
3420 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3422 (DEBUG_INFO_SECTION): Likewise.
3423 (DEBUG_ABBREV_SECTION): Likewise.
3424 (DEBUG_ARANGES_SECTION): Likewise.
3425 (DEBUG_MACINFO_SECTION): Likewise.
3426 (DEBUG_LINE_SECTION): Likewise.
3427 (DEBUG_LOC_SECTION): Likewise.
3428 (DEBUG_PUBNAMES_SECTION): Likewise.
3429 (DEBUG_STR_SECTION): Likewise.
3430 (DEBUG_RANGES_SECTION): Likewise.
3431 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3432 (ASM_OUTPUT_DWARF_OFFSET): New.
3434 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3436 * config.gcc (tm_defines): Always add to previous value rather
3439 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3441 * config/mips/predicates.md (splittable_const_int_operand): New,
3442 split from move_operand.
3443 (splittable_symbolic_operand): New.
3444 (move_operand): Add commentary. Use splittable_const_int_operand.
3445 Inline mips_atomic_symbolic_constant_p.
3446 * config/mips/mips.md: Add combine splitters for handling moves
3447 of splittable_const_int_operands and splittable_symbolic_operands.
3448 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3449 (mips_split_symbol): Declare.
3450 (mips_move_integer): Declare.
3451 * config/mips/mips.c (mips_split_p): Make global.
3452 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3453 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3454 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3455 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3456 (mips_offset_within_object_p): Handle block symbols.
3457 (mips_atomic_symbolic_constant_p): Delete.
3458 (mips_cannot_force_const_mem): Return false for constants that
3459 mips_legitimize_move can handle.
3460 (mips_use_blocks_for_constant_p): New function.
3461 (mips_split_symbol): Make global.
3462 (mips_move_integer): Likewise. Add a temporary register argument.
3463 (mips_legitimize_const_move): Use splittable_const_int_operand and
3464 splittable_symbolic_operand.
3465 (mips_use_anchors_for_symbol_p): New function.
3466 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3467 (mips_split_p): Declare.
3469 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3471 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3472 (mips*-*-linux*): Likewise.
3474 2006-03-16 Roger Sayle <roger@eyesopen.com>
3475 Daniel Speyer <dspeyer@wam.umd.edu>
3478 * tree-dump.c (dump_real): New function.
3479 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3480 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3481 (tree-dump.o): Add $(REAL_H) to the dependencies.
3483 2006-03-16 Roger Sayle <roger@eyesopen.com>
3486 * real.c (real_from_string): If the mantissa is zero, don't bother
3487 parsing the exponent as the result should always be zero.
3489 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3491 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3493 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3495 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3496 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3497 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3498 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3499 ia64_sched_finish_global): New static functions to implement
3500 hooks from gcc_target.sched.
3501 (spec_check_no, max_uid, pending_data_specs): New static variables.
3502 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3503 ia64_spec_check_src_p): New static functions.
3504 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3505 (TARGET_SCHED_ADJUST_COST): Removed.
3506 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3507 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3508 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3509 TARGET_SCHED_GEN_CHECK,
3510 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3511 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3512 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3513 Fixed to handle speculation checks.
3514 (rtx_needs_barrier): Fixed to handle speculative loads and
3516 (ia64_variable_issue): Added code to count speculative loads and their
3518 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3520 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3522 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3524 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3525 (ia64_reorg): Reset stops_p to NULL after it is freed.
3526 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3527 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3528 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3530 (data_speculative, control_speculative, check_load): New attributes.
3531 (mov<mode>_advanced, mov<mode>_speculative,
3532 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3533 zero_extend<mode>di2_speculative,
3534 zero_extend<mode>di2_speculative_advanced): New patterns for
3535 data and control speculative loads.
3536 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3538 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3539 New pattern for data and control speculation checks.
3540 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3541 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3542 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3543 Auxiliary definitions for the patterns.
3544 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3545 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3547 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3549 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3550 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3551 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3552 New resource constraints.
3553 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3555 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3556 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3557 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3558 msched-in-control-spec, msched-ldc, msched-control-ldc,
3559 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3560 msched-prefer-non-control-spec-insns,
3561 msched-count-spec-in-critical-path): New flags to tune speculative
3563 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3564 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3565 msched-in-control-spec, msched-ldc, msched-control-ldc,
3566 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3567 msched-prefer-non-control-spec-insns,
3568 msched-count-spec-in-critical-path): Document new flags.
3570 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3572 * target.h (struct spec_info_def): New opaque declaration.
3573 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3574 speculate_insn, needs_block_p, gen_check,
3575 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3576 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3577 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3578 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3579 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3580 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3582 (TARGET_SCHED): Use new macros.
3583 * rtl.h (copy_DEPS_LIST_list): New prototype.
3584 * sched-int.h (struct sched_info): Change signature of new_ready field,
3585 adjust all initializations. New fields: add_remove_insn,
3586 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3587 region_head_or_leaf_p.
3588 (struct spec_info_def): New structure declaration.
3589 (spec_info_t): New typedef.
3590 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3591 recovery_block, orig_pat.
3592 (glat_start, glat_end): New variables declaraions.
3593 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3595 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3596 DETACH_LIFE_INFO, USE_GLAT.
3597 (enum SPEC_SCHED_FLAGS): New enumeration.
3598 (NOTE_NOTE_BB_P): New macro.
3599 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3600 attach_life_info, debug_spec_status, check_reg_live): New functions.
3601 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3602 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3604 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3605 * ddg.c (get_block_head_tail): Adjust all uses.
3606 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3607 (sms_sched_info): Initialize new fields.
3608 (contributes_to_priority): Removed.
3609 * haifa-sched.c (params.h): New include.
3610 (get_block_head_tail): Adjust all uses.
3611 (ISSUE_POINTS): New macro.
3612 (glat_start, glat_end): New global variables.
3613 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3614 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3615 old_last_basic_block, before_recovery, current_sched_info_var,
3616 rgn_n_insns, luid): New static variables.
3617 (insn_cost1): New function. Move logic from insn_cost to here.
3618 (find_insn_reg_weight1): New function. Move logic from
3619 find_insn_reg_weight to here.
3620 (reemit_notes, move_insn, max_issue): Change signature.
3621 (move_insn1): Removed.
3622 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3623 extend_bb): New static functions to support extension of scheduler's
3625 (generate_recovery_code, process_insn_depend_be_in_spec,
3626 begin_speculative_block, add_to_speculative_block,
3627 init_before_recovery, create_recovery_block, create_check_block_twin,
3628 fix_recovery_deps): New static functions to support
3629 generation of recovery code.
3630 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3631 restore_bb_notes, move_block_after_check, move_succs): New static
3632 functions to support ebb scheduling.
3633 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3634 functions to support handling of register live information.
3635 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3636 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3637 add_jump_dependencies): New static functions.
3638 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3639 consistancy checking.
3640 (debug_spec_status): New function to call from debugger.
3641 (priority): Added code to handle speculation checks.
3642 (rank_for_schedule): Added code to distinguish speculative instructions.
3643 (schedule_insn): Added code to handle speculation checks.
3644 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3645 Fixed to handle ebbs.
3646 (move_insn): Added code to handle ebb scheduling.
3647 (max_issue): Added code to use ISSUE_POINTS of instructions.
3648 (choose_ready): Added code to choose between speculative and
3649 non-speculative instructions.
3650 (schedule_block): Added code to handle ebb scheduling and scheduling of
3651 speculative instructions.
3652 (sched_init): Initialize new variables.
3653 (sched_finish): Free new variables. Print statistics.
3654 (try_ready): Added code to handle speculative instructions.
3655 * lists.c (copy_DEPS_LIST_list): New function.
3656 * sched-deps.c (extend_dependency_caches): New function. Move logic
3657 from create_dependency_caches to here.
3658 (get_dep_weak, ds_merge): Make global.
3659 * genattr.c (main): Code to output prototype for
3660 dfa_clear_single_insn_cache.
3661 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3662 (output_dfa_clean_insn_cache_func): Code to output
3663 dfa_clear_single_insn_cache function.
3664 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3666 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3668 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3669 New static variables.
3670 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3671 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3673 (ebb_sched_info): Initialize new fields.
3674 (get_block_head_tail): Adjust all uses.
3675 (compute_jump_reg_dependencies): Fixed to use glat_start.
3676 (schedule_ebb): Code to remove unreachable last block.
3677 (schedule_ebbs): Added code to update register live information.
3678 * sched-rgn.c (region_sched_info): Initialize new fields.
3679 (get_block_head_tail): Adjust all uses.
3680 (last_was_jump): Removed. Adjust users.
3681 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3682 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3683 Implement new hooks.
3684 (check_dead_notes1): New static function.
3685 (struct region): New fields: dont_calc_deps, has_real_ebb.
3686 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3687 (BB_TO_BLOCK): Fixed to handle EBBs.
3688 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3689 (ebb_head): New static variable.
3690 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3691 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3693 (compute_dom_prob_ps): New assertion.
3694 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3695 global_live_at_start.
3696 (init_ready_list): New assertions.
3697 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3698 (new_ready): Add support for BEGIN_CONTROL speculation.
3699 (schedule_insns): Fixed code that updates register live information
3701 (schedule_region): Fixed to handle EBBs.
3702 (init_regions): Use extend_regions and check_dead_notes1.
3703 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3704 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3705 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3706 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3707 TARGET_SCHED_GEN_CHECK,
3708 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3709 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3710 * doc/invoke.texi (max-sched-insn-conflict-delay,
3711 sched-spec-prob-cutoff): Document.
3713 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3715 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3716 inter_tick, queue_index.
3717 (struct sched_info): Change signature of init_ready_list field.
3718 Adjust all initializations.
3719 (RESOLVED_DEPS): New access macro.
3720 (ready_add): Remove prototype.
3721 (try_ready): Add prototype.
3722 * sched-rgn.c (init_ready_list): Use try_ready.
3723 (schedule_region): Initialize
3724 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3725 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3726 (init_ready_list): Use try_ready.
3727 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3728 * lists.c (remove_list_elem): Remove `static'.
3729 (remove_free_INSN_LIST_elem): New function.
3730 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3731 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3732 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3734 (readyp): New variable.
3735 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3736 change_queue_index, resolve_dep): New static functions.
3737 (try_ready): New function. Adjust callers in sched-rgn.c and
3738 sched-ebb.c to use it instead of ready_add.
3739 (clock_var): Move at the begining of file.
3740 (rank_for_schedule): Fix typo.
3741 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3742 (ready_lastpos): Enforce assertion.
3743 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3745 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3746 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3747 (queue_to_ready): Use free_INSN_LIST_list.
3748 (early_queue_to_ready): Fix typo.
3749 (schedule_block): Init readyp. Move init_ready_list call after the
3750 initialization of clock_var. Fix error in rejecting insn by
3751 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3752 that previously corrected INSN_TICKs. Add code for handling
3754 (set_priorities): Fix typo.
3755 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3756 Clarify comment and code that keeps current_sched_info->next_tail
3759 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3761 * sched-rgn.c (extend_rgns): New static function.
3762 (find_rgns): Use it.
3763 (gather_region_statistics, print_region_statistics): New static
3765 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3766 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3768 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3769 Andrey Belevantsev <abel@ispras.ru>
3771 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3772 * lists.c (unused_deps_list): New variable.
3773 (free_list): Add assertions to verify the proper distinguishing
3774 between INSN_LISTs and DEPS_LISTs.
3775 (find_list_elem, remove_list_elem, remove_list_node): New static
3777 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3778 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3779 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3780 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3782 (free_INSN_LIST_node): Likewise.
3783 * modulo-sched.c (current_sched_info): Initialize flags field.
3784 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3785 * rtl.def (DEPS_LIST): Define.
3786 * rtl.h: Declare new functions from lists.c.
3787 * sched-deps.c (spec_dependency_cache): New static variable.
3788 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3789 (add_dependence): Change return type to void. Move the logic to ...
3790 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3791 (delete_all_dependences): Add comment about forward_dependency_cache.
3792 Handle spec_dependency_cache. Handle DEPS_LISTs.
3793 (fixup_sched_groups): Clarify the change of priority of output
3794 and anti dependencies.
3795 (sched_analyze_2): Adjust add_dependence calls to create data
3796 speculative dependence.
3797 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3798 Adjust all callers. Handle DEPS_LISTS.
3799 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3800 presence of speculation.
3801 (init_dependency_caches, free_dependency_caches):
3802 Handle spec_dependency_cache.
3803 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3804 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3805 New static functions.
3806 (add_or_update_back_dep, add_or_update_back_forw_dep,
3807 add_back_forw_dep, delete_back_forw_dep): New functions.
3808 * sched-int.h (ds_t, dw_t): New typedefs.
3809 (struct sched_info): Add new field flags.
3810 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3811 Prototype new sched-deps.c functions.
3812 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3813 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3814 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3815 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3816 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3817 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3819 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3821 * sched-rgn.c (current_sched_info): Initialize flags field.
3822 (schedule_insns): Initialize current_sched_info before the sched_init
3824 * sched-ebb.c (current_sched_info): Initialize flags field.
3825 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3826 Call add_or_update_back_dep instead of add_dependence.
3827 Create control speculative dependencies.
3828 (schedule_insns): Initialize current_sched_info before the sched_init
3831 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3833 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3835 (sh_fallback_frame_state): Likewise.
3837 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3839 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3840 Do switch on default_use_cxa_atexit.
3841 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3842 * config/darwin-crt3.o: New.
3843 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3844 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3845 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3847 * config/rs6000/t-darwin: Move crt2.o building to here.
3848 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3849 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3852 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3854 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3855 from '! xxx' to '!xxx' for coding-style conformance.
3856 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3857 (EXTRA_CONSTRAINT): Likewise.
3858 * config/vax/vax.md (four unnamed insns): Likewise.
3860 2006-03-15 Paul Brook <paul@codesourcery.com>
3862 * config/arm/arm.c (minipool_pad): New.
3863 (add_minipool_forward_ref): Include pool alignment padding in address
3865 (push_minipool_fix): Set minipool_pad.
3866 (minipool_pad): Ditto.
3868 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3870 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3871 instead of GET_CODE() == MEM and REG_P() instead of
3873 (print_operand_address): Likewise.
3874 (vax_address_cost): Likewise.
3875 (vax_rtx_costs): Likewise.
3876 (vax_notice_update_cc): Likewise.
3877 (vax_output_int_add): Likewise.
3878 (INDEX_REGISTER_P): Likewise.
3879 (BASE_REGISTER_P): Likewise.
3880 (nonindexed_address_p): Likewise.
3881 (vax_mode_dependent_address_p): Likewise.
3882 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3883 (PRINT_OPERAND): Likewise.
3884 * config/vax/vax.md (ashlsi3): Likewise.
3885 (ashlsi3): Likewise.
3886 (some more unnamed insns): Likewise.
3888 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3890 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3891 iterator-style macro.
3892 (mark_control_dependent_edges_necessary): Update the use of
3893 EXECUTE_IF_CONTROL_DEPENDENT.
3895 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3897 * config/sh/predicates.md (cache_address_operand): Special.
3898 (ua_address_operand): Likewise.
3900 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3902 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3904 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3906 2006-03-15 Andreas Schwab <schwab@suse.de>
3908 * gensupport.c (identify_predicable_attribute): Don't free p_false
3909 when it is still in use.
3911 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3913 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3914 the default setting here.
3916 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3918 * tree-pass.h (pass_cfg): Remove.
3919 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3920 * passes.c (pass_cfg): Don't run it.
3922 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3924 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3925 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3927 (stack_regs_mentioned): Update the uses of
3928 stack_regs_mentioned_data. Don't access the array beyond its
3930 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3931 Don't include gt-reg-stack.h.
3933 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3934 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3936 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3939 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3942 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3944 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3946 2006-03-14 Richard Guenther <rguenther@suse.de>
3948 PR tree-optimization/26672
3949 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3952 2006-03-14 Richard Guenther <rguenther@suse.de>
3954 PR tree-optimization/26667
3955 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3956 node for the callees. Always allow inlining if it will shrink
3959 2006-03-14 Richard Guenther <rguenther@suse.de>
3962 * builtins.c (get_pointer_alignment): Prefer alignment
3963 information from decls over that from types.
3965 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3968 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3970 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3972 * config/rs6000/rs6000.opt (mdlmzb): New option.
3973 (msched-prolog, msched-epilog): Use Var not Mask.
3974 * doc/invoke.texi (-mdlmzb): Document.
3975 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3977 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3978 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3980 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3982 PR rtl-optimization/25739
3983 * bt-load.c (augment_live_range): Free tos pointer.
3985 * gensupport.c (identify_predicable_attribute): Free
3987 * gcov.c (create_file_names): Free name pointer.
3989 2006-03-13 Roger Sayle <roger@eyesopen.com>
3992 * stmt.c (emit_case_nodes): Handle the case where the index is a
3993 CONST_INT, where the comparison mode is specified by the index type.
3995 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3997 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4000 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4002 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4003 (*branch_fp_inverted): Likewise.
4005 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4008 * omp-low.c (expand_omp_for_generic): Mark istart0
4009 and iend0 as addressable.
4011 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4013 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4015 2006-03-13 Jeff Law <law@redhat.com>
4017 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4018 virtual operands are interesting.
4019 (vrp_visit_stmt): Corresponding changes.
4021 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4023 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4025 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4026 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4027 * config/bfin/crti.S: Use it instead of __PIC__.
4028 * config/bfin/crtn.S: Likewise.
4030 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
4031 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
4033 Lose 'G' modifier for call operand.
4034 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
4035 recognize 'G' modifier.
4037 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4040 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4041 * stmt.c (expand_case): Likewise.
4043 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4045 PR rtl-optimization/26254
4046 * loop-invariant.c (seq_insns_valid_p): New function.
4047 (move_invariant_reg): Only emit new code if it is valid.
4049 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4051 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
4053 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
4054 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
4055 (commit_one_edge_insertion): Do not look for loop notes.
4057 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4059 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4060 flag_test_coverage out of loop.
4062 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4064 * final.c (shorten_branches): Remove outdated comment, and turn
4065 the if branch that guards it to continue.
4067 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4069 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4070 * cfgloop.h (struct loop): Remove unused fields.
4072 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4074 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4075 (-dL, -fdump-rtl-loop2): Update the dump file names
4077 * doc/invoke.texi: Update dump file names.
4079 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4081 * predict.c (estimate_probability): Remove.
4082 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4083 * basic-block.h (estimate_probability): Remove prototype.
4084 * passes.c (finish_optimization_passes): Dump branch prediction or
4085 profiling heuristics to the .profile tree dump.
4086 (init_optimization_passes): Unqueue pass_branch_prob.
4088 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4090 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4092 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4093 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4095 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4097 * function.h (frame_offset_overflow): Declare.
4098 * function.c (frame_offset_overflow): New function.
4099 (assign_stack_local_1): Call it to detect that the offset overflows.
4100 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4102 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4104 * config/sh/sh.c: Include alloc-pool.h.
4105 (label_ref_list_pool): New alloc pool.
4106 (label_ref_list_t): New type for lists of labels.
4107 (struct pool_node): Make wend a label_ref_list_t.
4108 (add_constant): Use the new type, eradicate LABEL_NEXTREF
4110 (dump_table): Likewise.
4111 (sh_reorg): Set up the alloc pool before using add_constant and
4112 dump_table, and destroy it when finishing.
4114 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4116 * config/mips/mips.c: Remove redundant comment.
4118 2006-03-10 Jason Merrill <jason@redhat.com>
4121 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4122 the target was declared 'register'.
4124 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4126 * genpreds.c (write_insn_constraint_len): Change definition of
4127 insn_constraint_len to return size_t to match the declaration.
4129 2006-03-10 DJ Delorie <dj@redhat.com>
4131 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4133 (m32c_expand_insv): Fix test for an AND mask.
4135 2006-03-10 Richard Guenther <rguenther@suse.de>
4138 * builtins.c (get_pointer_alignment): Handle component
4139 references for field alignment.
4141 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4143 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4144 when building with libgloss.
4145 (sh*elf): Implement --without-fp option.
4146 (sh64-superh-linux*): Don't multilib.
4148 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4150 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4152 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4154 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4155 Set it when one of the replacement functions returned true.
4156 Return TODO_cleanup_cfg if cfgchanged is true.
4157 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4159 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4161 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4162 instead of gen_lowpart.
4164 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4166 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4168 (mips_output_order_conditional_branch): Declare.
4169 * config/mips/mips.h (MIPS_BRANCH): New macro.
4170 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4171 for the comparison. Use gen_condjump.
4172 (mips_output_conditional_branch): Rework interface to take the
4173 asm templates for a direct branch and the inverse of a direct branch.
4174 (mips_output_order_conditional_branch): New function.
4175 (mips_builtin_branch_and_move): New function.
4176 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4177 branch condition. Use gen_single_cc as the condition for
4178 __builtin_mips_upper_* or __builtin_mips_lower_*.
4179 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4180 Use VOIDmode for the branch condition.
4181 * config/mips/predicates.md (order_operator): New predicate.
4182 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4183 (branch_fp): Rename to...
4184 (*branch_fp): ...this. Remove mode from comparison operator.
4185 Use new mips_output_conditional_branch interface.
4186 (branch_fp_inverted): Rename to...
4187 (*branch_fp_inverted): ...this and update as for *branch_fp.
4188 (*branch_zero<mode>): Rename to...
4189 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4190 Use mips_output_order_conditional_branch. Only accept ordered
4192 (*branch_zero<mode>_inverted): Rename to...
4193 (*branch_order<mode>_inverted): ...this and update as for
4194 *branch_order<mode>.
4195 (*branch_equality<mode>): Accept zero as the second operand to
4196 the equality operator. Use the new mips_output_conditional_branch
4198 (*branch_equality<mode>_inverted): Likewise.
4199 (condjump): New expander.
4200 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
4202 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
4203 (bc1any2t, bc1any2f): Likewise.
4204 (single_cc): New expander.
4205 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4207 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4209 * doc/md.texi: Update documentation of MIPS constraints.
4210 * config/mips/constraints.md: New file.
4211 * config/mips/mips.md: Include it.
4212 * config/mips/mips.c (mips_char_to_class): Delete.
4213 (override_options): Don't initialize mips_char_to_class.
4214 * config/mips/mips.h (mips_char_to_class): Delete.
4215 (REG_CLASS_FROM_LETTER): Delete.
4216 (CONST_OK_FOR_LETTER_P): Delete.
4217 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4218 (EXTRA_CONSTRAINT_Y): Delete.
4219 (EXTRA_CONSTRAINT_STR): Delete.
4220 (CONSTRAINT_LEN): Delete.
4221 (EXTRA_MEMORY_CONSTRAINT): Delete.
4223 2006-03-09 Diego Novillo <dnovillo@redhat.com>
4225 * tree-cfg.c (move_block_to_fn): Remove the statements from the
4226 original fn's eh regions.
4228 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
4230 * fold-const.c (build_range_check): Make sure to use a valid type to
4231 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
4234 (range_predecessor): New static function.
4235 (range_successor): Likewise.
4236 (merge_ranges): Use them to compute predecessors and successors of
4239 2006-03-09 Roger Sayle <roger@eyesopen.com>
4242 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
4243 X op C3, consider whether C3 overflows towards +Inf or -Inf.
4245 2006-03-08 DJ Delorie <dj@redhat.com>
4247 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4248 (addpsi3): Expand to include memory operands. Remove
4249 reload-specific splits.
4250 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4251 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4252 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4253 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4254 (shift1_qi, shift1_hi, insv): New.
4255 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4256 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4257 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4259 * config/m32c/m32c-protos.h: Update as needed.
4260 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4261 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4262 Fail for unrecognized R* constraints.
4263 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4264 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4265 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4267 (m32c_init_libfuncs): New.
4268 (m32c_legitimate_address_p): Add debug wrapper.
4269 (m32c_rtx_costs): New.
4270 (m32c_address_cost): New.
4271 (conversions): Add 'B' prefix.
4272 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4273 operands, or word regnames for QI operands. 'B' prints bit
4275 (m32c_expand_setmemhi): New.
4276 (m32c_expand_movmemhi): New.
4277 (m32c_expand_movstr): New.
4278 (m32c_expand_cmpstr): New.
4279 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4280 (m32c_expand_neg_mulpsi3): Handle non-ints.
4281 (m32c_cmp_flg_0): New.
4282 (m32c_expand_movcc): New.
4283 (m32c_expand_insv): New.
4284 (m32c_scc_pattern): New.
4285 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4286 a0/a1 out of SIregs.
4287 (STORE_FLAG_VALUE): New.
4288 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4291 * config/m32c/mov.md: Make constraints more liberal.
4292 (zero_extendqihi2): Optimize r0/r1 case.
4293 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4294 * config/m32c/predicates.md (m32c_any_operand): New.
4295 (m32c_nonimmediate_operand): New.
4296 (m32c_hl_operand): New.
4297 (m32c_r3_operand): New.
4300 (memsym_operand): New.
4301 (memimmed_operand): New.
4302 (a_qi_operand): New.
4303 (m32c_eqne_operator): New.
4304 (m32c_1bit8_operand): New.
4305 (m32c_1bit16_operand): New.
4306 (m32c_1mask8_operand): New.
4307 (m32c_1mask16_operand): New.
4308 * config/m32c/blkmov.md: New file.
4309 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4311 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4313 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4314 unsigned to fix signed/unsigned comparison issue in
4315 DWARF2_FRAME_REG_OUT.
4316 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4317 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4319 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4320 of ptr into the ENABLE_CHECKING section.
4322 2006-03-08 Jeff Law <law@redhat.com>
4324 * tree-vrp.c (infer_value_range): Only count pointer uses
4325 and dereferences if -fdelete-null-pointer-checks is enabled.
4327 * tree-vrp.c (find_assert_locations): Infer value ranges for
4328 single use pointers, but do not create ASSERT_EXPRs for them.
4329 When a non-null range is inferred for a pointer, backwards
4330 propagate that range to other equivalent pointers through the
4333 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4336 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4337 language hook targets.
4338 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4339 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4340 if language hook targets were missing.
4342 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4344 * tree-ssa-opfinalize.h: Removed.
4345 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4347 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4348 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4349 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4350 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4351 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4352 finalize_ssa_v_must_def_ops): New.
4354 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4356 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4359 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4361 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4363 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4364 addresses with offsets; reorganize.
4366 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4367 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4368 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4370 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4373 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4375 2006-03-08 Ben Elliston <bje@au.ibm.com>
4377 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4379 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4382 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4385 2006-03-07 Richard Guenther <rguenther@suse.de>
4387 PR tree-optimization/26587
4388 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4390 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4392 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4394 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4396 * hooks.c (hook_bool_mode_rtx_true): New function.
4397 * hooks.h (hook_bool_mode_rtx_true): Declare.
4398 * toplev.c (compile_file): Call output_shared_constant_pool.
4399 * varasm.c (shared_constant_pool): New variable.
4400 (assemble_start_function, assemble_end_function): Remove arguments
4401 from call to output_constant_pool.
4402 (create_constant_pool): New function, split out from...
4403 (init_varasm_status): ...here.
4404 (force_const_mem): Choose between the shared and per-function constant
4405 pools. Set current_function_uses_const_pool when reusing old entries
4406 as well as when creating new ones.
4407 (mark_constant): Ignore data argument.
4408 (mark_constants): Remove pool argument.
4409 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4410 to decide whether the function uses a constant pool.
4411 (output_constant_pool_contents): New function, split out from...
4412 (output_constant_pool): ...here.
4413 (output_shared_constant_pool): New function.
4414 (init_varasm_once): Initialize shared_constant_pool.
4415 * output.h (output_constant_pool): Delete.
4416 (output_shared_constant_pool): Declare.
4417 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4418 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4420 2006-03-06 Nick Clifton <nickc@redhat.com>
4422 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4423 flag_strength_reduce.
4425 2006-03-06 Ben Elliston <bje@au.ibm.com>
4427 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4428 x86_64-*-linux* configurations.
4430 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4431 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4433 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4435 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4437 * basic-block.h: Remove the extern for
4438 rediscover_loops_after_threading.
4440 * cfgloop.c (cancel_loop): Make it static.
4441 * cfgloop.h: Remove the prototype for cancel_loop.
4443 * flow.c (recompute_reg_usage): Make it static.
4444 * rtl.h: Remove the prototype for recompute_reg_usage.
4446 * function.c (use_return_register): Make it static.
4447 * function.h: Remove the prototype.
4449 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4451 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4453 * recog.h: Remove the prototype for
4454 validate_change_maybe_volatile.
4456 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4458 * rtlanal.c (replace_reg): Remove.
4459 * rtl.h: Remove the prototype for replace_reg.
4461 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4463 * regclass.c (reg_scan_update): Remove.
4464 (reg_scan_mark_refs): Remove the last argument.
4465 * rtl.h: Remove the prototype for reg_scan_update.
4467 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4469 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4470 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4471 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4472 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4473 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4474 loop-invariant.c, omp-low.c, opts.c, passes.c,
4475 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4476 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4477 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4478 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4479 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4480 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4482 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4484 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4485 * dwarf2out.h: Remove the prototype for
4486 dwarf2out_add_library_unit_info.
4488 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4490 * tree.c (add_var_to_bind_expr): Remove.
4491 * tree.h: Remove the prototype for add_var_to_bind_expr.
4493 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4495 * regclass.c (n_non_fixed_regs): Remove.
4496 (init_reg_sets_1, globalize_reg): Remove all uses of
4498 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4500 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4502 * rtlanal.c (insns_safe_to_move_p): Remove.
4503 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4505 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4507 * expmed.c (expand_mult_add): Remove.
4508 * expr.h: Remove the prototype for expand_mult_add.
4510 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4512 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4513 and REG_SAVED_VAL_EXP constants.
4514 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4515 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4516 Handle regs stored by value.
4517 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4518 (execute_cfa_program): Handle DW_CFA_val_offset,
4519 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4520 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4521 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4522 (uw_install_context_1): Handle target regs stored by value.
4524 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4526 * tree-sra.c (tree_sra): Return todoflags;
4527 (generate_one_element): Set TODO_update_smt_usage if needed.
4528 (pass_sra): Remove TODO_update_smt_usage.
4529 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4531 (tree_ssa_forward_propagate_single_use_vars): Return
4532 TODO_update_smt_usage if we need to update SMT usage.
4533 (pass_forwprop): Remove TODO_update_smt_usage.
4535 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4537 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4538 (correct_use_link): Remove reference to get_stmt_operands.
4539 (update_stmt_operands): Likewise.
4540 (get_modify_expr_operands): New function factored out of
4541 parse_ssa_operands and get_expr_operands.
4542 Try to create V_MUST_DEFs for LHS by default.
4543 (get_expr_operands) <case MODIFY_EXPR>: Call
4544 get_modify_expr_operands.
4545 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4546 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4547 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4548 get_modify_expr_operands.
4550 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4552 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4553 * tree-flow.h: Remove the prototype for
4554 referenced_var_lookup_if_exists.
4556 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4558 PR rtl-optimization/26345
4560 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4562 2006-03-03 Roger Sayle <roger@eyesopen.com>
4564 PR tree-optimization/26524
4565 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4566 fold_convert to create a constant of the appropriate type.
4568 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4570 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4571 SYMBOL_REF_IN_BLOCK_P.
4572 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4573 of SYMBOL_FLAG_IN_BLOCK.
4574 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4575 instead of SYMBOL_REF_IN_BLOCK_P.
4576 * explow.c (use_anchored_address): Likewise.
4577 * rtl.c (rtx_size): Likewise.
4578 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4579 instead of SYMBOL_FLAG_IN_BLOCK.
4580 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4581 SYMBOL_REF_IN_BLOCK_P.
4582 (assemble_variable): Likewise.
4583 (output_constant_def_contents): Likewise.
4584 (output_constant_pool): Likewise.
4585 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4586 instead of SYMBOL_FLAG_IN_BLOCK.
4587 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4588 SYMBOL_REF_IN_BLOCK_P.
4589 (SYMBOL_REF_BLOCK): Likewise.
4590 (SYMBOL_REF_OFFSET): Likewise.
4591 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4592 SYMBOL_REF_IN_BLOCK_P.
4593 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4594 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4595 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4596 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4598 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4600 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4602 2006-03-02 Roger Sayle <roger@eyesopen.com>
4604 * simplify-rtx.c (simplify_unary_operation): When simplifying
4605 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4606 that we perform the right shift in the appropriate mode, and
4607 then extend or truncate the result to requested mode.
4609 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4611 * gengtype.c (main): Handle double_int type.
4612 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4613 * double-int.c: New file.
4614 * double-int.h: New file.
4615 * system.h: Include doubleint.h.
4616 * Makefile.in (SYSTEM_H): Include double-int.h.
4617 (double-int.o): Add.
4619 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4622 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4625 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4627 * tree-vrp.c (remove_range_assertions): Do not update statements
4630 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4632 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4634 * gcse.c (rest_of_handle_gcse): Ditto.
4635 * except.c (gate_handle_eh): Ditto.
4636 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4637 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4639 2006-03-02 Eric Christopher <echristo@apple.com>
4641 * config/i386/i386.c (machopic_output_stub): Add indirection to
4644 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4648 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4650 Sun Niagara specific optimizations.
4651 * config.gcc: Recognize niagara as target.
4652 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4653 (TARGET_CPU_niagara): Define.
4654 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4655 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4656 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4657 (ASM_CPU_SPEC): Likewise.
4658 (PROCESSOR_NIAGARA): New enum entry.
4659 (REGISTER_MOVE_COST): Handle Niagara.
4660 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4661 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4662 (sparc_override_options): Recognize "niagara", set appropriate
4663 default MASK_* values for it, and align functions to 32-bytes
4664 by default just like ULTRASPARC/ULTRASPARC3.
4665 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4666 (sparc64_initialize_trampoline): Likewise.
4667 (sparc_use_sched_lookahead): Use zero for niagara.
4668 (sparc_issue_rate): Use one for niagara.
4669 * config/sparc/niagara.md: New file.
4670 * config/sparc/sparc.md: Include it.
4671 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4672 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4673 when default cpu is niagara.
4674 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4675 (ASM_CPU_SPEC): Likewise.
4676 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4677 when default cpu is niagara.
4678 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4679 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4680 just like v9/ultrasparc/ultrasparc3.
4681 * doc/invoke.texi: Add documentation for "niagara" and improve
4682 existing documentation for ultrasparc variants.
4684 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4686 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4688 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4690 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4691 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4692 and say that only one is needed.
4693 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4694 * target.h (have_switchable_bss_sections): New hook.
4695 * explow.c (use_anchored_address): Check that the symbol is in a block.
4696 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4697 (bss_noswitch_section): New variables.
4698 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4699 (get_noswitch_section): New function.
4700 (get_block_for_section): Allow SECT to be null.
4701 (unlikely_text_section_p): Use SECTION_STYLE.
4702 (bss_initializer_p): New function.
4703 (get_variable_section): Move earlier in file. Take a new argument,
4704 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4705 Return one of the new *_sections in such cases.
4706 (get_block_for_decl): New function, extracting some logic from
4707 use_blocks_for_decl_p.
4708 (change_symbol_section): Remove in favor of...
4709 (change_symbol_block): ...this new function.
4710 (use_blocks_for_decl_p): Remove checks now performed by
4712 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4713 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4714 (emit_local, emit_bss, emit_common): ...these new functions.
4715 Return true if the alignment was honored.
4716 (emit_tls_common): New function.
4717 (asm_emit_uninitialised): Delete.
4718 (assemble_variable_noswitch): New function, split out from...
4719 (assemble_variable): ...here. Don't make decisions about common
4720 variables here. Globalize all public decls that go into non-common
4721 sections. Check whether SYMBOL_REF_BLOCK is null.
4722 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4723 (output_constant_pool): Likewise.
4724 (init_varasm_once): Initialize the new section variables.
4725 (have_global_bss_p): New function.
4726 (categorize_decl_for_section): Use bss_initializer_p.
4727 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4728 (place_block_symbol): Assert that the symbol must be in a block.
4729 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4730 (TARGET_INITIALIZER): Include it.
4731 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4732 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4733 (SECTION_MACH_DEP): Bump by two.
4734 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4735 (unnamed_section): Mention SECTION_UNNAMED in comment.
4736 (named_section): Likewise SECTION_NAMED.
4737 (noswitch_section_callback): New type.
4738 (noswitch_section): New structure.
4739 (section): Add a noswitch_section alternative.
4740 (SECTION_STYLE): New macro.
4741 (tls_comm_section, comm_section, lcomm_section): Declare.
4742 (bss_noswitch_section, have_global_bss_p): Declare.
4743 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4744 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4746 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4747 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4750 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4752 * gcc/tree-vrp.c (execute_vrp): Return value.
4753 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4754 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4755 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4756 (tree_lower_complex_O0): Ditto.
4757 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4758 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4759 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4760 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4761 (execute_tail_calls): Ditto.
4762 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4763 * gcc/tree.h (init_function_for_compilation): Ditto.
4764 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4765 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4766 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4767 * gcc/final.c (compute_alignments): Ditto.
4768 (rest_of_handle_final): Ditto.
4769 (rest_of_handle_shorten_branches): Ditto.
4770 (rest_of_clean_state): Ditto.
4771 * gcc/omp-low.c (execute_expand_omp): Ditto.
4772 (execute_lower_omp): Ditto.
4773 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4774 * gcc/ipa-reference.c (static_execute): Ditto.
4775 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4776 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4777 (rest_of_handle_machine_reorg): Ditto.
4778 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4779 * gcc/flow.c (recompute_reg_usage): Ditto.
4780 (rest_of_handle_remove_death_notes): Ditto.
4781 (rest_of_handle_life): Ditto.
4782 (rest_of_handle_flow2): Ditto.
4783 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4784 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4785 (do_ssa_store_ccp): Ditto.
4786 (execute_fold_all_builtins): Ditto.
4787 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4788 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4789 * gcc/ipa-pure-const.c (static_execute): Ditto.
4790 * gcc/cse.c (rest_of_handle_cse): Ditto.
4791 (rest_of_handle_cse2): Ditto.
4792 * gcc/web.c (rest_of_handle_web): Ditto.
4793 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4794 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4795 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4796 * gcc/tree-nrv.c (tree_nrv): Ditto.
4797 (execute_return_slot_opt): Ditto.
4798 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4799 (create_structure_vars): Ditto.
4800 * gcc/loop-init.c (rtl_loop_init): Ditto.
4801 (rtl_loop_done): Ditto.
4802 (rtl_move_loop_invariants): Ditto.
4803 (rtl_unswitch): Ditto.
4804 (rtl_unroll_and_peel_loops): Ditto.
4805 (rtl_doloop): Ditto.
4806 * gcc/gimple-low.c (lower_function_body): Ditto.
4807 (mark_used_blocks): Ditto.
4808 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4809 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4810 (cgraph_early_inlining): Ditto.
4811 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4812 * gcc/jump.c (cleanup_barriers): Ditto.
4813 (purge_line_number_notes): Ditto.
4814 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4815 (rest_of_handle_if_after_reload): Ditto.
4816 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4817 (tree_ssa_loop_im): Ditto.
4818 (tree_ssa_loop_unswitch): Ditto.
4819 (tree_vectorize): Ditto.
4820 (tree_linear_transform): Ditto.
4821 (tree_ssa_loop_ivcanon): Ditto.
4822 (tree_ssa_empty_loop): Ditto.
4823 (tree_ssa_loop_bounds): Ditto.
4824 (tree_complete_unroll): Ditto.
4825 (tree_ssa_loop_prefetch): Ditto.
4826 (tree_ssa_loop_ivopts): Ditto.
4827 (tree_ssa_loop_done): Ditto.
4828 * gcc/predict.c (tree_estimate_probability): Ditto.
4829 * gcc/recog.c (split_all_insns_noflow): Ditto.
4830 (rest_of_handle_peephole2): Ditto.
4831 (rest_of_handle_split_all_insns): Ditto.
4832 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4833 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4834 (rest_of_handle_stack_adjustments): Ditto.
4835 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4836 * gcc/function.c (instantiate_virtual_regs): Ditto.
4837 (init_function_for_compilation): Ditto.
4838 (rest_of_handle_check_leaf_regs): Ditto.
4839 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4840 (rest_of_handle_gcse): Ditto.
4841 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4842 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4843 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4844 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4845 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4846 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4847 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4848 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4849 * gcc/except.c (set_nothrow_function_flags): Ditto.
4850 (convert_to_eh_region_ranges): Ditto.
4851 (rest_of_handle_eh): Ditto.
4852 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4853 (remove_unnecessary_notes): Ditto.
4854 * gcc/except.h (set_nothrow_function_flags): Ditto.
4855 (convert_to_eh_region_ranges): Ditto.
4856 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4857 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4858 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4859 (execute_fre): Ditto.
4860 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4861 (rest_of_handle_jump2): Ditto.
4862 * gcc/tree-sra.c (tree_sra): Ditto.
4863 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4864 (execute_mudflap_function_decls): Ditto.
4865 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4866 (do_store_copy_prop): Ditto.
4867 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4868 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4869 * gcc/tree-ssa-forwprop.c
4870 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4871 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4872 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4873 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4874 (execute_late_warn_uninitialized): Ditto.
4875 * gcc/rtl.h (cleanup_barriers): Ditto.
4876 (split_all_insns_noflow): Ditto.
4877 (purge_line_number_notes): Ditto.
4878 (unshare_all_rtl): Ditto.
4879 (remove_unnecessary_notes): Ditto.
4880 (recompute_reg_usage): Ditto.
4881 (variable_tracking_main): Ditto.
4882 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4883 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4884 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4885 (execute_free_cfg_annotations): Ditto.
4886 (execute_fixup_cfg): Ditto.
4887 (execute_cleanup_cfg_pre_ipa): Ditto.
4888 (execute_cleanup_cfg_post_optimizing): Ditto.
4889 (execute_init_datastructures): Ditto.
4890 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4891 * gcc/combine.c (rest_of_handle_combine): Ditto.
4892 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4893 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4894 (rest_of_handle_reorder_blocks): Ditto.
4895 (rest_of_handle_partition_blocks): Ditto.
4896 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4897 * gcc/tree-profile.c (tree_profiling): Ditto.
4898 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4899 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4900 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4901 (rest_of_handle_sched2): Ditto.
4902 * gcc/basic-block.h (free_bb_insn): Ditto.
4903 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4904 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4905 (remove_useless_stmts): Ditto.
4906 (split_critical_edges): Ditto.
4907 (execute_warn_function_return): Ditto.
4908 (execute_warn_function_noreturn): Ditto.
4909 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4910 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4911 * gcc/passes.c (execute_one_pass): Run additional
4912 todos returned by execute function.
4913 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4916 2006-03-02 Richard Guenther <rguenther@suse.de>
4918 * tree-ssa-alias.c (find_used_portions): Consider taking
4919 the address as making the variable not write-only.
4921 2006-03-02 Nick Clifton <nickc@redhat.com>
4923 * config.gcc (default_use_cxa_atexit): Extend the description of
4924 this configure variable. Set its default value to "yes" for
4925 Linux, NetBSD and ELF targets on the assumption that they will
4926 use C libraries with the __cxa_atexit function.
4928 2006-03-02 Ben Elliston <bje@au.ibm.com>
4930 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4931 parameter as unused to suppress a build warning.
4933 2006-03-02 Ben Elliston <bje@au.ibm.com>
4935 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4938 2006-03-01 Roger Sayle <roger@eyesopen.com>
4941 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4942 declared name, the weak reference name, and the typeof name.
4943 (__gthrw): Avoid expanding the declared name suffix.
4944 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4946 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4948 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4950 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4951 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4952 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4953 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4954 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4955 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4956 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4957 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4958 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4959 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4960 (DW_END_default, DW_END_big, DW_END_little): New.
4961 (DW_END_lo_user, DW_END_hi_user): Define.
4962 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4963 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4964 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4967 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4969 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4971 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4973 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4975 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4977 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4978 to 'symbol_mem_tag'.
4980 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4983 2006-03-01 Roger Sayle <roger@eyesopen.com>
4985 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4987 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4990 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4991 MACHO_DYNAMIC_NO_PIC_P.
4992 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4994 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4997 * config/darwin-protos.h (darwin_asm_output_anchor):
4999 * config/darwin-sections.def (cstring_section):
5000 Add SECTION_MERGE to the flags.
5001 (literal4_section): Likewise.
5002 (literal8_section): Likewise.
5003 (objc_selector_refs_section): Likewise.
5004 (objc_cls_refs_section): Likewise.
5005 * config/darwin.c (darwin_asm_output_anchor): New
5007 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5009 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5011 Fix PR tree-optimization/26443
5012 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5013 to todo and PROP_tmt_usage to properties_destroyed.
5014 * tree-ssa-ccp.c (pass_ccp): Ditto.
5015 (pass_store_ccp): Ditto.
5016 * tree-ssa-dom.c (pass_dominator): Ditto.
5018 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5020 * tree-ssa-operands.c: Cleanup whitespace.
5021 (get_asm_expr_operands): Move before first invocation.
5022 (get_indirect_ref_operands): Likewise.
5023 (get_tmr_operands): Likewise.
5024 (get_call_expr_operands): Likewise.
5025 (append_def): Likewise.
5026 (append_use): Likewise.
5027 (append_v_may_def): Likewise.
5028 (append_v_must_def): Likewise.
5029 (add_call_clobber_ops): Likewise.
5030 (add_call_read_ops): Likewise.
5031 (add_stmt_operand): Likewise.
5032 (add_virtual_operand): Likewise.
5033 (build_ssa_operands): Likewise.
5035 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5040 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5041 with a call expr to ...
5042 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5044 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5046 * tree-vrp.c (extract_range_from_assert): Remove special
5047 handling for types with super-types.
5049 2006-03-01 Ben Elliston <bje@au.ibm.com>
5051 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
5052 and powerpc64-*-linux* configurations.
5053 * config/t-dfprules: New file.
5055 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
5056 Compile dfp-bit.c from the source directory using -DWIDTH and
5057 $DFP_CFLAGS to control the compilation of that file, rather than
5058 generating width-specific versions in the build directory.
5059 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5060 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5062 2006-02-28 Zack Weinberg <zackw@panix.com>
5064 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5067 2006-02-28 Eric Christopher <echristo@apple.com>
5069 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5070 Set up IN_LIBGCC definition of TARGET_64BIT.
5071 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5073 2006-02-28 Roger Sayle <roger@eyesopen.com>
5076 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5077 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5078 cases via the construction of "expr != 0".
5080 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5082 * alias.c (alias_invariant, alias_invariant_size): Remove.
5083 (record_base_value): Remove.
5084 (memrefs_conflict_p): Don't look at alias_invariant.
5085 (end_alias_analysis): Don't free it.
5086 * alias.h (record_base_value): Remove prototype.
5088 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5089 Adam Nemet <anemet@caviumnetworks.com>
5091 * rtl.h (truncated_to_mode): Declare it.
5092 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5093 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5094 (RTL_HOOKS_INITIALIZER): Include it.
5095 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5096 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5097 reg_truncated_to_mode.
5098 * rtlanal.c (truncated_to_mode): Define it.
5099 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5101 2006-02-28 Jeff Law <law@redhat.com>
5103 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
5104 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5105 the range allowed by TYPE_PRECISION.
5107 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
5109 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
5111 PR tree-optimization/26419
5112 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
5115 2006-02-27 Zack Weinberg <zackw@panix.com>
5117 * doc/md.texi: Fix typo in previous change.
5119 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5123 2006-02-27 Zack Weinberg <zackw@panix.com>
5125 * rtl.def (define_constraint, define_register_constraint)
5126 (define_memory_constraint, define_address_constraint): New MD forms.
5127 * gensupport.c (process_rtx): Put define_constraint etc on the
5129 * genpreds.c (process_define_predicate): Adjust comment. Validate
5130 the name, and call validate_exp to validate the expression.
5131 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5132 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5133 all callers changed.
5134 (validate_exp, needs_variable, struct constraint_data)
5135 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5136 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5137 (const_dbl_constraints, constraint_max_namelen)
5138 (have_register_constraints, have_memory_constraints)
5139 (have_address_constraints, have_address_constraints)
5140 (have_extra_constraints, have_const_int_constraints)
5141 (have_const_dbl_constraints, mangle, add_constraint)
5142 (process_define_constraint, process_define_register_constraint)
5143 (write_enum_constraint_num, write_lookup_constraint)
5144 (write_insn_constraint_len, write_regclass_for_constraint)
5145 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5146 (write_insn_extra_memory_constraint)
5147 (write_insn_extra_address_constraint)
5148 (write_satisfies_constraint_fns): New.
5149 (write_tm_preds_h): If we have new-style constraint definitions,
5150 prototype the functions generated from them, and define the
5151 old constraint interface (still used by generic code) in terms of
5153 (write_insn_preds_c): If we have new-style constraint definitions,
5154 generate all relevant functions from those definitions.
5155 (main): Handle define_constraint etc.
5156 * genoutput.c (struct constraint_data, indep_constraints)
5157 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5158 (mdep_constraint_len): New data structures and functions, defined
5159 #ifdef USE_MD_CONSTRAINTS.
5160 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5161 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5162 use new logic to validate operand constraints against constraint
5164 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5166 * defaults.h: If none of the old-style constraint macros are
5167 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5168 old-style macros; and poison REG_CLASS_FROM_LETTER,
5169 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5171 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5172 * doc/md.texi: Document new constraint-definition mechanism and the
5173 C interface it provides. Remove references to old mechanism
5174 elsewhere in the document.
5175 (Machine Constraints): Use pathnames relative to gcc directory,
5176 i.e. config/ARCH/FILE. Change i386 section to refer to
5177 config/i386/predicates.md; update that section to match docstrings.
5178 * doc/tm.texi: Move all documentation of the old constraint-
5179 definition macros to their own section, clearly mark as obsolete.
5181 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5182 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5184 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5185 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5186 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5188 (splits and peepholes): Use satisfies_constraint_*.
5189 * config/i386/i386.c (memory_address_length)
5190 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5192 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5194 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5195 scalar operation to be put back into the loop.
5197 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5200 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5201 (extract_cie_info): Handle S flag in augmentation string.
5202 (execute_cfa_program): If context->signal_frame, execute also
5203 fs->pc == context->ra instructions.
5204 (uw_frame_state_for): If context->signal_frame, don't subtract one
5205 from context->ra to find FDE.
5206 (uw_update_context_1): Set context->signal_frame to
5208 (_Unwind_GetIPInfo): New function.
5209 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5210 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5212 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5213 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
5214 * unwind-compat.c (_Unwind_GetIPInfo): New function.
5215 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
5216 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
5217 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
5218 * config/i386/linux-unwind.h (x86_fallback_frame_state,
5219 x86_64_fallback_frame_state): Set fs->signal_frame.
5220 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
5221 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
5222 (frob_update_context): Likewise. Workaround missing S flag in
5223 Linux 2.6.12 - 2.6.16 kernel vDSOs.
5224 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
5225 Remove the psw_addr + 1 hack.
5227 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5229 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
5230 with aggregates here.
5231 (find_func_aliases): Remove code for &<aggregate> from here.
5233 2006-02-26 Roger Sayle <roger@eyesopen.com>
5235 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
5236 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
5237 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
5240 2006-02-26 Roger Sayle <roger@eyesopen.com>
5243 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
5245 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
5247 * opts.c (decode_options): Do not handle flag_strength_reduce.
5248 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
5249 and OPT_fstrength_reduce.
5250 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5251 flag_prefetch_loop_arrays for being nonzero.
5252 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5254 (fprefetch-loop-arrays-rtl): Removed.
5255 (flag_prefetch_loop_arrays): Do not specify the value.
5257 * doc/passes.texi: Update documentation of loop optimizer
5259 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5260 -frerun-loop-opt): Remove.
5262 2006-02-26 Richard Guenther <rguenther@suse.de>
5264 PR tree-optimization/26421
5265 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5266 in function calls that are ADDR_EXPRs as using the whole structure.
5268 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5270 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5271 * tree-pass.h (pass_loop_optimize): Remove.
5272 * passes.c (pass_loop_optimize): Never run it.
5273 * toplev.c (backend_init): Don't call init_loop.
5274 * opts.c (flag_loop_optimize_set): Remove.
5275 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5276 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5277 the old RTL loop optimizer when profiling enabled.
5278 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5279 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5280 pre-headers for the sake of the old RTL loop optimizer.
5281 * Makefile.in: Remove all references to loop.o.
5283 * doc/invoke.texi: Remove all references to -floop-optimize
5284 and -frerun-loop-opt.
5286 2006-02-26 Zack Weinberg <zackw@panix.com>
5288 * doc/md.texi (Machine Constraints): Refer to all files with paths
5289 relative to gcc directory (i.e. config/CPU/file). Add missing
5290 @table @code ... @end table to M32C subsection.
5292 2006-02-26 Roger Sayle <roger@eyesopen.com>
5294 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5296 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5298 2006-02-26 Roger Sayle <roger@eyesopen.com>
5299 James A. Morrison <phython@gcc.gnu.org>
5302 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5303 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5304 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5305 signedness of the shift operation.
5307 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5309 PR tree-optimization/26359
5310 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5312 2006-02-25 Roger Sayle <roger@eyesopen.com>
5314 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5315 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5316 as X == 0, and some symmetry related transformations.
5317 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5319 2006-02-25 Roger Sayle <roger@eyesopen.com>
5322 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5323 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5324 symmetry related transformations. Fold (X^C1) == C2 as
5327 2006-02-25 Juergen Weigert <jw@suse.de>
5328 Richard Guenther <rguenther@suse.de>
5330 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5332 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5334 * combine.c (gen_lowpart_or_truncate): Call
5335 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5337 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5339 * doc/invoke.texi: Move -fopenmp description to "Options for
5341 Remove reference to -lgomp.
5343 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5345 * doc/install.texi: Require GNU tar version 1.14.
5347 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5349 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5350 * doc/invoke.texi (C++ Dialect Options): Document
5351 -fno-use-cxa-get-exception-ptr.
5352 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5353 * configure: Regenerate.
5354 * c.opt (fuse-cxa-get-exception-ptr): New.
5355 * c-opts.c (c_common_handle_option): Handle
5356 OPT_fuse_cxa_get_exception_ptr.
5357 * c-common.c (flag_use_cxa_atexit): Update documentation.
5358 (flag_use_cxa_get_exception_ptr): New.
5359 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5360 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5362 (C_COMMON_OVERRIDE_OPTIONS): New.
5364 2006-02-24 Roger Sayle <roger@eyesopen.com>
5367 * combine.c (try_combine): Explicitly check whether GET_CODE is
5368 a SET or a CLOBBER, instead on checking that it isn't a USE.
5370 2006-02-24 Roger Sayle <roger@eyesopen.com>
5372 * fold-const.c (fold_comparison): New subroutine of fold_binary
5373 containing transformations common to both the equality and
5374 ordering relational operators, factored out of fold_binary.
5375 (fold_binary): Separate out the equality operators (EQ_EXPR
5376 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5377 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5378 transformations common to both.
5379 (fold_div_compare): Fix latent bugs in the previously unreachable
5380 LT_EXPR and GE_EXPR cases.
5382 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5384 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5385 decl libname for clog to __clog on AIX.
5387 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5389 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5392 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5393 output traceback table for thunks. Localise rs6000_stack_info call.
5395 2006-02-23 Roger Sayle <roger@eyesopen.com>
5396 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5398 * gthr-posix.h (__gthrw): Fix typo in comment.
5400 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5402 * doc/cpp.texi (Character sets): Document that we do support
5403 input files to be in any character set.
5405 2006-02-23 Jeff Law <law@redhat.com>
5407 * tree.h (PHI_ARG_NONZERO): Remove.
5408 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5409 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5410 node to the new node.
5412 PR tree-optimization/26425
5413 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5414 min/max, then assume its varying.
5416 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5418 PR rtl-optimization/26316
5419 * rtlanal.c (enum may_trap_p_flags): New.
5420 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5421 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5422 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5423 (may_trap_after_code_motion_p): New function.
5424 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5425 (find_invariant_insn): Use may_trap_after_code_motion_p.
5426 * rtl.h (may_trap_after_code_motion_p): Declare.
5428 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5430 * emit-rtl.c (immed_double_const): Cleanup.
5432 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5434 Fix PR tree-optimization/26376
5435 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5438 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5441 * gimplify.c (omp_add_variable): Guard variable size decl test with
5442 DECL_SIZE (decl) check.
5444 2006-02-23 Richard Guenther <rguenther@suse.de>
5447 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5448 like aggregate types.
5450 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5452 * configure.ac: Add --with{,out}-long-double-128 configure option.
5453 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5454 * configure: Rebuilt.
5455 * config.in: Rebuilt.
5456 * doc/install.texi (Options specification): Document
5457 --with-long-double-128.
5459 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5460 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5461 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5462 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5464 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5466 * config/s390/s390.c (override_options): Handle
5467 TARGET_DEFAULT_LONG_DOUBLE_128.
5469 * config/alpha/alpha.c (override_options): Handle
5470 TARGET_DEFAULT_LONG_DOUBLE_128.
5472 * config/sparc/sparc.c (sparc_override_options): Handle
5473 TARGET_DEFAULT_LONG_DOUBLE_128.
5475 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5477 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5478 (real-install-headers-tar, real-install-headers-cpio)
5479 (real-install-headers-cp): New targets.
5481 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5483 * tree.h (variable_section): Delete.
5484 * varasm.c (variable_section): Delete.
5486 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5488 * install.texi: Add notes on install.texi2html.
5489 (Building in parallel): Do not use footnotes.
5491 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5494 * doc/install.texi (Configuration): Document --disable-libgomp.
5496 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5498 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5500 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5502 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5503 (vec_extractv2df_0_sse): New.
5505 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5507 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5508 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5509 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5510 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5511 to the result of the expression.
5512 (def_cfa_1): Adjust.
5513 (frame_pointer_cfa_offset): Rename to...
5514 (frame_pointer_fb_offset): ... this. Adjust all uses.
5515 (convert_cfa_to_loc_list): Rename to...
5516 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5517 Pass it on to build_cfa_loc.
5518 (compute_frame_pointer_to_cfa_displacement): Rename to...
5519 (compute_frame_pointer_to_fb_displacement): ... this. New
5520 offset parameter. Use it in computation.
5521 (gen_subprogram_die): Compute cfa_fb_offset with the new
5522 macro, and use it to compute the fb loc list and the
5525 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5527 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5528 replaced with register_operand.
5529 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5530 non-DREG is expensive.
5531 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5532 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5535 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5537 * doc/install.texi2html: Use set -e.
5539 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5541 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5542 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5543 * doc/invoke.texi (-fshared-data): Delete.
5544 * common.opt (fshared-data): Delete.
5545 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5546 (assemble_static_space): Remove #if 0 code.
5547 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5548 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5549 * config/cris/cris.h: Remove FIXME.
5551 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5553 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5556 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5559 * combine.c (simplify_shift_const_1): Disable nested shifts
5560 optimization for vector shifts.
5562 2006-02-20 Roger Sayle <roger@eyesopen.com>
5564 PR tree-optimization/26361
5565 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5566 of unsigned integer types.
5568 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5570 * tree-chrec.c (eq_evolutions_p): New.
5571 * tree-chrec.h (eq_evolutions_p): Declared.
5572 * tree-data-ref.c: Fix formatting.
5573 (datadep_stats, dependence_stats): New.
5575 (print_direction_vector): New.
5576 (dump_data_dependence_relation): Use print_direction_vector.
5577 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5578 (compute_subscript_distance): Static.
5579 (initialize_data_dependence_relation): Static. Get the number
5580 of loops surrounding the references from the callers, and initialize
5581 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5582 base_object_differ_p analyzers.
5583 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5584 compute_overlap_steps_for_affine_1_2,
5585 analyze_subscript_affine_affine): Count the classified dependences.
5586 Print a message when a test failed.
5587 (can_use_analyze_subscript_affine_affine): New.
5588 (analyze_siv_subscript): Compute the data dependences on symbolic
5589 scevs that verify can_use_analyze_subscript_affine_affine.
5590 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5591 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5592 Handle symbolic scevs.
5593 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5595 (subscript_dependence_tester): Moved...
5596 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5597 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5598 DDR_SIZE_VECT instead of getting it in parameter.
5599 (subscript_dependence_tester): ... here. Take as a parameter
5600 loop_nest_depth. Call build_classic_dist_vector and
5601 build_classic_dir_vector.
5602 (compute_affine_dependence): Update subscript_dependence_tester
5603 parameters. Update datadep_stats counters. Call
5604 compute_subscript_distance.
5605 (compute_self_dependence): Save the dist and dir vectors. Call
5606 compute_subscript_distance.
5607 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5608 (compute_all_dependences): Reorder parameters as they were before
5609 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5610 compute_subscript_distance. Update the use of
5611 compute_affine_dependence and initialize_data_dependence_relation.
5612 (find_data_references_in_loop): Handle COMPONENT_REF.
5613 (compute_data_dependences_for_loop): Initialize dependence_stats.
5614 Don't call build_classic_dist_vector and build_classic_dir_vector.
5615 Update the parameters of initialize_data_dependence_relation and
5616 compute_all_dependences. Print the statistics from datadep_stats.
5617 (analyze_all_data_dependences): Static. Not used until the pass for
5618 checking the data dependences is contributed.
5619 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5620 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5621 (initialize_data_dependence_relation, compute_affine_dependence,
5622 analyze_all_data_dependences, compute_subscript_distance): Removed.
5623 (print_direction_vector): New.
5624 * lambda.h (gcd): ... here.
5625 (lambda_vector_gcd): Moved here from gcd_vector.
5626 * lambda-code.c (gcd, gcd_vector): Removed.
5627 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5628 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5630 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5632 * ipa-type-escape.c: Tidy some comments and white space.
5633 * tree-ssa-operands.c: Likewise.
5635 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5638 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5639 (dump_decl_name): Do not walk the decl tree chains.
5640 * tree-pass.h (TDF_CHAIN): Remove.
5642 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5644 * Makefile.in (C): Remove
5646 (.PHONY): Remove C and PROTO
5648 2006-02-20 Roger Sayle <roger@eyesopen.com>
5651 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5652 deprecated CHAR_TYPE tree code.
5654 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5656 * configure.ac (target_list): Add install-info, dvi, html.
5657 * configure: Regenerate.
5659 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5660 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5661 treelang/Make-lang.in: Do not use double-colon rules.
5663 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5665 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5666 (TMT_USED_ALONE): New macro.
5667 * tree-pass.h (PROP_tmt_usage): New property.
5668 (TODO_update_tmt_usage): New todo.
5669 * tree-ssa-alias.c (updating_used_alone): New variable.
5670 (recalculate_used_alone): New function.
5671 (compute_may_aliases): Set updating_used_alone, call
5672 recalculate_used_alone.
5673 * tree-sra.c (pass_sra): Note that this pass destroys
5674 PROP_tmt_usage, and add TODO_update_tmt_usage.
5675 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5676 * tree-flow.h (updating_used_alone): Prototype.
5677 (recalculate_used_alone): Ditto.
5678 * passes.c (execute_todo): Add code to set updating_used_alone,
5679 and call recalculate.
5680 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5681 for clobber if used alone, and add assert to verify used_alone
5684 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5686 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5687 for non tls symbols added.
5688 (legitimize_address): Do nothing for PLUS expressions if one of the
5689 addends is a tls symbol reference.
5691 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5695 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5697 * Makefile.in (BOOTSTRAPPING): New.
5698 (quickstrap): New definition if BOOTSTRAPPING=yes.
5700 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5701 * configure.ac: Substitute all_selected_languages with the languages
5702 that were configured. For all the other variables except
5703 lang_specs_files, include all the languages in the tree.
5704 * configure: Regenerate.
5706 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5707 if there is one. Run the commands to run fixincludes in the same
5710 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5711 * doc/install.texi: Document exact conventions for searching target tools.
5712 Document --with-build-time-tools. Document toplevel bootstrap. Document
5713 something more about building an Ada cross-compiler. Don't list GNU Make
5714 requirements which affect all platforms.
5716 2006-02-19 Roger Sayle <roger@eyesopen.com>
5719 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5720 only equivalent if the have both the same mode and precision.
5722 2006-02-20 Ben Elliston <bje@au.ibm.com>
5724 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5726 2006-02-19 Roger Sayle <roger@eyesopen.com>
5727 Steven Bosscher <stevenb.gcc@gmail.com>
5729 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5730 constant pool references to identify stack mode constants.
5731 * rtlanal.c (constant_pool_constant_p): New predicate to check
5732 whether operand is a floating point constant in the pool.
5733 * rtl.h (constant_pool_constant_p): Prototype here.
5734 * loop.c (scan_loop): Avoid hoisting constants from the constant
5735 pool on STACK_REGS targets.
5736 (load_mems): Likewise.
5737 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5738 loads into x87 registers expensive in terms of register pressure.
5740 2006-02-19 Roger Sayle <roger@eyesopen.com>
5742 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5743 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5745 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5747 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5748 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5750 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5752 * doc/invoke.texi: Document -fipa-pta.
5753 * common.opt: Add ipa-pta option.
5754 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5755 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5756 (do_ds_constraint): Ditto.
5757 (get_constraint_for): Only add to referenced_vars if
5758 referenced_vars exists.
5759 (insert_into_field_list): Rewrite to do this unsorted.
5760 (insert_into_field_list_sorted): Rename old insert_into_field_list
5762 (create_function_info_for): Use insert_into_field_list_sorted.
5763 (create_variable_info_for): Rewrite so it uses unsorted version,
5764 since the field list is sorted.
5765 (intra_create_variable_infos): Only add to referenced_vars if
5766 referenced_vars exists.
5767 (ipa_pta_execute): Init heapvars, and delete when done.
5768 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5770 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5772 * doc/install.texi: Add missing `@samp'.
5774 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5776 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5779 2006-02-18 Mark Wielaard <mark@klomp.org>
5781 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5782 who added new 4.1 features, bug fixes and integration support.
5784 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5787 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5790 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5792 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5793 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5794 (copy_insn_1): Likewise. Don't copy each field individually.
5796 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5798 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5799 * rtl.c (rtx_size): Rename variable to...
5800 (rtx_code_size): ...this.
5801 (rtx_size): New function.
5802 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5803 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5805 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5806 * rtl.h (rtx_code_size): New variable.
5807 (rtx_size): Change from a variable to a function.
5808 (RTX_SIZE): Rename to...
5809 (RTX_CODE_SIZE): ...this.
5812 PR tree-optimization/17106
5813 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5814 (Anchored Addresses): New section.
5815 * doc/invoke.texi (-fsection-anchors): Document.
5816 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5817 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5818 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5819 * hooks.c (hook_bool_mode_rtx_false): New function.
5820 * hooks.h (hook_bool_mode_rtx_false): Declare.
5821 * gengtype.c (create_optional_field): New function.
5822 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5823 SYMBOL_REF_IN_BLOCK_P is true.
5824 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5825 (min_anchor_offset, max_anchor_offset): Likewise.
5826 (use_anchors_for_symbol_p): New hook.
5827 * toplev.c (compile_file): Call output_object_blocks.
5828 (target_supports_section_anchors_p): New function.
5829 (process_options): Check that -fsection-anchors is only used on
5830 targets that support it and when -funit-at-a-time is in effect.
5831 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5832 if the decl doesn't have one.
5833 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5834 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5835 of force_const_mem through use_anchored_address.
5836 (expand_expr_constant): New function.
5837 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5838 calling expand_expr for INDIRECT_REF.
5839 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5840 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5841 * expr.h (use_anchored_address): Declare.
5842 * loop-unroll.c: Don't declare rtx vectors here.
5843 * explow.c: Include output.h.
5844 (validize_mem): Call use_anchored_address.
5845 (use_anchored_address): New function.
5846 * common.opt (-fsection-anchors): New switch.
5847 * varasm.c (object_block_htab, anchor_labelno): New variables.
5848 (hash_section, object_block_entry_eq, object_block_entry_hash)
5849 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5850 (use_blocks_for_decl_p, change_symbol_section): New functions.
5851 (get_variable_section): New function, split out from assemble_variable.
5852 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5853 use_blocks_for_decl_p say so. Use change_symbol_section if the
5854 symbol has already been created.
5855 (assemble_variable_contents): New function, split out from...
5856 (assemble_variable): ...here. Don't output any code for
5857 block symbols; just pass them to place_block_symbol.
5858 Use get_variable_section and assemble_variable_contents.
5859 (get_constant_alignment, get_constant_section, get_constant_size): New
5860 functions, split from output_constant_def_contents.
5861 (build_constant_desc): Create a block symbol if use_object_blocks_p
5862 says so. Or into SYMBOL_REF_FLAGS.
5863 (assemble_constant_contents): New function, split from...
5864 (output_constant_def_contents): ...here. Don't output any code
5865 for block symbols; just pass them to place_section_symbol.
5866 Use get_constant_section and get_constant_alignment.
5867 (force_const_mem): Create a block symbol if use_object_blocks_p and
5868 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5869 (output_constant_pool_1): Add an explicit alignment argument.
5870 Don't switch sections here.
5871 (output_constant_pool): Adjust call to output_constant_pool_1.
5872 Switch sections here instead. Don't output anything for block symbols;
5873 just pass them to place_block_symbol.
5874 (init_varasm_once): Initialize object_block_htab.
5875 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5876 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5877 (place_block_symbol, get_section_anchor, output_object_block)
5878 (output_object_block_htab, output_object_blocks): New functions.
5879 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5880 (TARGET_ASM_OUT): Include it.
5881 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5882 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5883 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5884 (TARGET_INITIALIZER): Include them.
5885 * rtl.c (rtl_check_failed_block_symbol): New function.
5886 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5887 (block_symbol, object_block): New structures.
5888 (rtx_def): Add a block_symbol field to the union.
5889 (BLOCK_SYMBOL_CHECK): New macro.
5890 (rtl_check_failed_block_symbol): Declare.
5891 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5892 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5893 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5894 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5895 * output.h (output_section_symbols): Declare.
5896 (object_block): Name structure.
5897 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5898 (default_use_anchors_for_symbol_p): Declare.
5899 * Makefile.in (RTL_BASE_H): Add vec.h.
5900 (explow.o): Depend on output.h.
5901 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5902 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5903 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5904 (rs6000_use_blocks_for_constant_p): New function.
5906 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5908 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5910 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5913 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5916 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5918 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5922 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5925 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5926 instead of DECL_REGISTER.
5928 2006-02-18 Olivier Hainque <hainque@adacore.com>
5931 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5933 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5936 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5937 * opth-gen.awk: Handle Var and InverseMask together.
5938 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5939 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5940 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5941 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5943 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5944 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5945 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5946 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5947 LINUX_DYNAMIC_LINKER): Define.
5948 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5949 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5951 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5952 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5953 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5954 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5955 (TARGET_C99_FUNCTIONS): Don't define.
5956 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5957 GLIBC_DYNAMIC_LINKER.
5958 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5959 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5960 GLIBC_DYNAMIC_LINKER64): Define.
5961 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5962 LINUX_DYNAMIC_LINKER64.
5963 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5964 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5965 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5966 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5967 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5968 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5969 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5970 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5971 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5972 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5973 and LINUX_DYNAMIC_LINKER32.
5974 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5975 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5976 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5977 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5978 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5980 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5981 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5982 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5983 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5984 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5985 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5986 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5987 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5988 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5989 LINUX_DYNAMIC_LINKER): Define.
5990 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5991 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5992 GLIBC_DYNAMIC_LINKER64): Define.
5993 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5994 LINUX_DYNAMIC_LINKER64.
5995 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5996 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5997 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5998 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5999 LINUX_DYNAMIC_LINKER): Define.
6000 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6001 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6002 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6003 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6004 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6005 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6006 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6007 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6008 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6009 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6010 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6011 * doc/invoke.texi (-muclibc): Remove caveat about supported
6014 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6016 * doc/cpp.texi (__TIMESTAMP__): Document.
6018 2006-02-17 Roger Sayle <roger@eyesopen.com>
6021 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6022 C is one less than the width of X (and related transformations).
6023 * simplify-rtx.c (simplify_unary_operation_1): Transform
6024 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6025 depending on STORE_FLAG_VALUE, were C is one less then the
6028 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6030 Fix PR tree-optimization/26341
6031 * tree-ssa-operands.c (add_virtual_operand): Remove assert
6032 about NAME_MEMORY_TAG's.
6034 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6037 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
6038 with hardware float support, and software float support. Add fcpy
6039 alternative to hardware patterns. Add alternatives to copy between
6040 general and floating-point registers to the 32-bit pattern.
6041 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6042 secondary reload to load a QI or HI mode constant into a floating
6044 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6045 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6047 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
6050 * config/rs6000/darwin.md (load_macho_picbase_si): Add
6052 (load_macho_picbase_di): Likewise.
6054 2006-02-16 Jeff Law <law@redhat.com>
6056 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6057 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6058 (ssa_name_nonzero_p): Likewise.
6059 (get_value_range): Return NULL if VRP is not running.
6060 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6061 VRP routines do not discover a range.
6062 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6063 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6064 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6065 (tree_expr_nonnegative_p): Similarly.
6066 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6067 (restore_nonzero_vars_to_original_value): Remove.
6068 (unsafe_associative_fp_binop): Remove.
6069 (tree_ssa_dominator_optimize): Remove initialization and
6070 finalization of nonzero_vars and nonzero_vars_stack.
6071 (dom_opt_initialize_block): No longer push marker on
6073 (dom_opt_finalize_block): No longer call
6074 restore_nonzero_vars_to_original_value.
6075 (record_equivalences_from_phis): No longer look for
6076 nonzero PHI arguments.
6077 (cprop_into_successor_phis): No longer propagate nonzero
6078 property into PHI arguments. Lose unused argument. Caller
6080 (record_equivalences_from_stmt): No longer record nonzero
6081 values for SSA_NAMEs.
6082 (lookup_avail_expr): No longer use nonzero_vars.
6084 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6085 for sizetype when sizetype is unsigned.
6087 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6089 PR rtl-optimization/25603
6090 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6091 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6092 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6093 with new meaning of SETS.
6095 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6100 * config/linux.opt: New file.
6101 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6102 LINUX_DYNAMIC_LINKER): Define.
6103 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
6104 * config.gcc (*-*-linux*): Define extra_options.
6105 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
6106 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
6107 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
6108 GLIBC_DYNAMIC_LINKER.
6109 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
6110 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6111 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6112 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6113 * doc/invoke.texi (GNU/Linux Options): New section.
6115 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6117 * config/sparc/sparc.md (setjmp): Rewrite.
6118 (setjmp_32): Delete.
6119 (setjmp_64): Likewise.
6121 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6123 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6126 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6128 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6131 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6133 PR rtl-optimization/26296
6134 * Makefile.in (loop-invariant.c): Add except.h dependency.
6135 * loop-invariant.c: Include except.h.
6136 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6138 2005-02-16 Paul Brook <paul@codesourcery.com>
6140 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6143 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6145 PR rtl-optimization/25636
6146 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6147 when deciding whether an insn is an initializing insn.
6149 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6151 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6152 (tree_code_size): Ditto.
6153 * tree.h (struct tree_memory_tag): Remove parent_var.
6154 (struct tree_struct_field_tag): New.
6157 (union tree_node): Add sft member.
6158 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6160 (create_sft): Add size and offset argument, set SFT_OFFSET and
6162 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6163 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6164 * tree-flow-inline.h (get_subvar_at): Update for
6165 SFT_OFFSET/SFT_SIZE.
6166 (var_can_have_subvars): Ditto.
6167 (overlap_subvar): Ditto.
6168 * print-tree.c (print_node): Print out interesting things for
6170 * tree-flow.h (struct subvar): Remove offset and size members.
6171 * tree-ssa-operands.c (get_expr_operands): Update for
6172 get_indirect_ref_operands changes.
6173 (get_indirect_ref_operands): Call add_virtual_operand instead of
6174 add_stmt_operand. Only recurse on base var if requested.
6175 (access_can_touch_variable): New function.
6176 (add_stmt_operand): Split virtual operand handling into ...
6177 (add_virtual_operand): Here. Add offset, size, and for_clobber
6178 arguments. Prune alias sets.
6179 (add_call_clobber_ops): Call add_virtual_operand.
6181 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6184 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6186 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6187 than TREE_CODE as index into omp_clause_num_ops array.
6189 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6191 PR rtl-optimization/26184
6192 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6194 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6195 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6196 must_precede, must_follow and tobe_scheduled.
6199 * opts.c (common_handle_option): Free new_option pointer.
6200 * df-core.c (df_analyze): Free postorder pointer.
6202 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6204 * Makefile.in: Fix the examples about the use of stamps
6206 2006-02-15 Michael Matz <matz@suse.de>
6210 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6211 influenced by maximum_field_alignment or DECL_PACKED.
6212 (update_alignment_for_field): Ditto.
6213 (place_field): Ditto.
6214 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
6217 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
6219 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
6220 (debug_flow_info): Pass it.
6221 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
6222 * bb-reorder.c (reorder_basic_blocks): Likewise.
6223 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
6224 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
6225 * flow.c (life_analysis, recompute_reg_usage): Likewise.
6226 * gcse.c (gcse_main, bypass_jumps): Likewise.
6227 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
6228 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
6229 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
6230 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
6231 * rtl.h (dump_flow_info): Adjust prototype.
6232 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
6233 * var-tracking.c (variable_tracking_main): Likewise.
6234 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
6235 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
6238 2006-02-15 Marcin Dalecki <martin@dalecki.de>
6240 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
6243 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6245 PR tree-optimization/26209
6246 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
6247 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
6249 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6251 2006-02-14 Roger Sayle <roger@eyesopen.com>
6254 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6255 (X,Y) and the corresponding symmetry related transformations.
6256 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6257 (X,Y) and its symmetry related transformations.
6259 2006-02-14 Roger Sayle <roger@eyesopen.com>
6261 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6264 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6266 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6268 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6271 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6272 support COMDAT group.
6273 * configure: Regenerate.
6275 2006-02-14 Roger Sayle <roger@eyesopen.com>
6280 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6282 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6284 Fix PR tree-optimization/26260
6286 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6288 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6289 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6290 * tree-ssa-structalias.c (create_variable_info_for): Use
6291 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6293 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6295 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6297 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6298 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6299 of the ending condition.
6300 * tree-ssa-loop-manip.c: Include params.h.
6301 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6302 tree_unroll_loop): New functions.
6303 * tree-pass.h (pass_loop_prefetch): Declare.
6304 * loop.c (rest_of_handle_loop_optimize): Test for
6305 -fprefetch-loop-arrays-rtl.
6306 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6307 * timevar.def (TV_TREE_PREFETCH): New timevar.
6308 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6309 pass_loop_prefetch): New.
6310 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6311 (cleanup_tree_cfg_loop): Call scev_reset.
6312 * common.opt (fprefetch-loop-arrays-rtl): Add.
6313 * tree-ssa-loop-prefetch.c: New file.
6314 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6315 (new_temp_expr_table): Initialize expr_vars.
6316 (free_temp_expr_table): Cleanup expr_vars.
6317 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6318 expressions from being merged into one.
6319 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6320 (struct tree_niter_desc): Add control, bound and cmp fields.
6321 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6323 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6324 (tree-cfgcleanup.o): Add SCEV_H dependency.
6325 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6326 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6328 2006-02-14 Richard Guenther <rguenther@suse.de>
6330 PR tree-optimization/26258
6331 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6332 in PHI argument processing.
6334 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6336 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6337 new expression in the requested machine mode.
6339 2006-02-13 Roger Sayle <roger@eyesopen.com>
6341 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6342 directly, instead let do_compare_rtx_and_jump handle this for us.
6343 * expr.c (expand_expr_real_1): Likewise.
6344 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6345 before do_jump_by_parts_greater.
6346 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6347 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6349 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6351 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6353 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6355 PR rtl-optimization/26235
6356 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6357 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6360 2006-02-13 Jeff Law <law@redhat.com>
6362 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6365 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6368 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6369 twice if decl is a builtin. When trying again, call get_callee_fndecl
6370 first to verify it is still a builtin.
6372 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6374 * dwarf2out.c (base_type_die): Don't add AT_name here.
6375 (subrange_type_die): Don't add AT_name here.
6376 (modified_type_die): Rearrange code flow. Do add AT_name here.
6378 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6380 PR rtl-optimization/26247
6381 PR rtl-optimization/26248
6382 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6384 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6386 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6387 * config/fixtfdi.c: Likewise.
6388 * config/fixunstfdi.c: Likewise.
6389 * config/floatditf.c: Likewise.
6391 2006-02-13 Roger Sayle <roger@eyesopen.com>
6394 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6395 into (X,C2) if C1 is a subset of the bits of C2. Transform
6396 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6398 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6400 2006-02-13 Josh Conner <jconner@apple.com>
6403 * varasm.c (function_section): Check for section name before
6404 calling select_section on targets that define
6405 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6406 unlikely_text_section instead of hot_function_section if
6407 first_function_block_is_cold.
6409 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6412 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6414 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6416 PR rtl-optimization/26222
6417 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6418 after tree->rtl expansion.
6419 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6420 before passing it to emit_move_insn.
6422 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6424 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6426 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6427 Clarify documentation.
6428 * c-common.h (warn_write_strings): Remove.
6429 * c-common.c (warn_write_strings): Likewise.
6430 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6433 2006-02-12 Roger Sayle <roger@eyesopen.com>
6436 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6437 (do_jump_parts_zero_rtx): New function renamed from
6438 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6439 (do_jump_parts_equality_rtx): New function split out from
6440 do_jump_parts_equality. Old implementation renamed as above.
6441 Call do_jump_parts_zero_rtx if either operand is zero.
6442 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6443 do all of the heavy lifting.
6444 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6445 calling either do_jump_by_parts_greater_rtx or
6446 do_jump_by_parts_equality_rtx.
6447 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6448 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6449 moved to do_compare_rtx_and_jump, call it directly.
6450 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6451 mode argument. Call do_compare_rtx_and_jump.
6452 (emit_case_nodes): Update calls to do_jump_if_equal.
6454 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6456 PR rtl-optimization/26225
6457 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6459 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6461 PR rtl-optimization/26232
6462 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6464 2006-02-11 Jason Merrill <jason@redhat.com>
6467 * tree-inline.c (declare_return_variable): Just don't use the
6468 modify target if it's a gimple complex reg and the return slot
6471 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6473 * doc/contrib.texi: Update my entry.
6475 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6477 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6479 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6481 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6484 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6486 * doc/invoke.texi (-floop-optimize2): Removed.
6487 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6488 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6489 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6490 * common.opt (floop-optimize2): Removed.
6491 (fmove-loop-invariants): Enabled by default.
6493 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6495 * tree-if-conv.c (combine_blocks): Free the result of
6496 get_loop_exit_edges.
6498 2006-02-10 Jeff Law <law@redhat.com>
6500 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6502 PR tree-optimization/26213
6503 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6504 loop trying to follow SSA_NAME_VALUE chains.
6506 2006-02-10 Richard Guenther <rguenther@suse.de>
6508 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6509 deal with structures that end in implicitly variable sized arrays.
6511 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6513 PR rtl-optimization/24762
6514 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6517 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6519 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6520 (struct ivopts_data): Add regs_used field.
6521 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6522 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6523 instead of loop_data->regs_used;
6524 (free_loop_data): Do not free aux fields for loops.
6525 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6526 and tree_ssa_iv_optimize_finalize.
6528 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6530 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6532 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6535 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6536 computing the effective result type.
6538 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6541 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6542 (tree_overlaps_hard_reg_set): Declare.
6543 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6544 type and signature to match function type expected by walk_tree.
6545 (tree_overlaps_hard_reg_set): New function.
6546 (decl_conflicts_with_clobbers_p): Rename to:
6547 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6548 Use tree_overlaps_hard_reg_set. Changed caller.
6549 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6550 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6551 * cris.c (cris_md_asm_clobbers): Likewise.
6553 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6555 * reload1.c (emit_input_reload_insns): Delete code that tries to
6556 inherit using find_equiv_reg.
6558 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6560 * c-common.h (flag_const_strings): Don't declare.
6561 * c-common.c (flag_const_strings): Remove.
6562 * c.opt (fconst_strings): Remove.
6563 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6564 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6565 (c_common_init_options): Don't set flag_const_strings.
6566 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6568 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6570 * arm.md (tlobits_cbranch): New pattern.
6571 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6572 testing a single bit.
6574 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6577 * tree-ssa-pre.c (create_component_ref_by_pieces):
6578 Handle RETURN_DECL like VAR_DECL.
6580 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6583 * fold-const.c (fold_indirect_ref_1): Fold
6584 "*(foo *)&complexfoo" to "__real__ complexfoo"
6585 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6587 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6589 * tree-flow-inline.h (var_can_have_subvars):
6590 Volatile variables should not have subvariables.
6592 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6595 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6596 multiplying unsigned values.
6599 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6601 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6603 2006-02-08 Jason Merrill <jason@redhat.com>
6606 * tree.def: Elaborate on difference from MODIFY_EXPR.
6607 * doc/c-tree.texi (INIT_EXPR): Likewise.
6608 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6609 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6610 (gimplify_target_expr): Likewise.
6611 (gimplify_cond_expr): Remove target handling.
6612 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6613 (gimplify_expr): Clobber it here.
6614 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6615 Do return slot optimization if we have an INIT_EXPR.
6618 * tree-inline.c (declare_return_variable): Also clear
6619 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6622 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6625 * gimplify.c (gimplify_one_sizepos): Fix typo.
6627 2006-02-08 Jeff Law <law@redhat.com>
6629 PR tree-optimization/21417
6630 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6631 across a backedge if the control statement at the end of the
6632 block is data dependent on other statements in the same block.
6633 (record_temporary_equivalences_from_stmts): Remove over-conservative
6634 test for threading across backedges.
6636 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6637 control statement, handle all three special cases in the same
6638 manner as they all have the same desired solution. No longer
6639 special case edge flag updating when the post dominator is
6642 2006-02-08 Roger Sayle <roger@eyesopen.com>
6644 * tree.def (CHAR_TYPE): Remove.
6645 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6646 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6647 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6648 (gen_string_type_die): Delete unreachable function.
6650 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6651 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6652 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6653 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6654 * builtins.c (type_to_class): Likewise.
6655 * fold-const.c (fold_convert, build_range_check,
6656 merge_ranges): Likewise.
6657 * expr.c (count_type_elements): Likewise.
6658 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6659 * stor-layout.c (layout_type): Likewise.
6660 * ipa-type-escape.c (type_to_consider): Likewise.
6661 * gimplify.c (omp_firstprivatize_type_sizes,
6662 gimplify_type_sizes): Likewise.
6663 * explow.c (promote_mode): Likewise.
6664 * tree-sra.c (is_sra_scalar_type): Likewise.
6665 * varasm.c (output_constant): Likewise.
6666 * tree-inline.c (remap_type_1): Likewise.
6667 * convert.c (convert_to_pointer, convert_to_real,
6668 convert_to_integer, convert_to_complex): Likewise.
6670 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6672 * df-scan.c (df_def_record_1): A set destination may
6673 be a parallel regardless of mode.
6675 2006-02-08 Roger Sayle <roger@eyesopen.com>
6678 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6679 * config/mips/_tilib.c: Remove.
6680 * config/fixtfdi.c: New libgcc source file.
6681 * config/fixunstfdi.c: New source file.
6682 * config/floatditf.c: New source file.
6683 * config/floatunditf.c: New souce file.
6684 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6685 files above instead of config/mips/_tilib.c.
6686 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6688 2006-02-08 Jeff Law <law@redhat.com>
6690 PR tree-optimization/26169
6691 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6694 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6696 * df.h (DF_REG_SIZE): Return the length of the initialized
6699 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6701 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6702 __muldf3): Return a correctly signed zero.
6704 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6706 * passes.c (register_one_dump_file): Accept the current properties
6707 instead of pass number. Adjust call to dump_register. Remove
6709 (register_dump_files): Now a wrapper around...
6710 (register_dump_files_1): ... this one. Do not modify the pass
6712 (next_pass_1): Cosmetic fix.
6713 (execute_todo): Keep second parameter only. Use curr_properties
6714 instead of fetching it from the pass structure. Check and set
6716 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6717 instead of fetching it from the pass structure. Fix calls to
6718 execute_todo. Update curr_properties and initialize .vcg RTL dump
6719 after running the pass. Reset last_verified.
6720 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6722 (FIRST_AUTO_NUMBERED_DUMP): New.
6723 (dump_register): Remove "num" parameter, assign it within the
6725 (get_dump_file_name): Modify template for dumps.
6726 * tree-dump.h (dump_register): Adjust prototype.
6727 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6728 (PROP_trees): Add PROP_gimple_lomp.
6729 (TODO_set_props): New.
6730 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6731 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6732 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6734 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6736 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6737 (sparc64-*-linux*): Likewise.
6738 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6739 * config/sparc/t-linux: New file.
6740 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6741 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6742 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6743 -m32 -mlong-double-128.
6745 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6746 * config/alpha/t-linux: New file.
6747 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6749 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6750 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6751 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6752 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6753 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6754 (CPP_ARCH32_SPEC): Remove.
6756 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6758 PR tree-optimization/26145
6759 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6762 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6765 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6766 >= 240000 when generating code for SOM runtime.
6767 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6768 to $$dyncall when generating code for SOM runtime..
6770 2006-02-07 Dirk Mueller <dmueller@suse.com>
6773 * doc/invoke.texi (-Wsequence-point): Update documentation
6774 that -Wsequence-point is implemented for C++ as well.
6776 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6778 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6779 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6780 (LIB_SPEC): Likewise.
6781 * doc/invoke.texi (SPARC options): Document -pthread.
6783 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6785 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6788 2006-02-07 Roger Sayle <roger@eyesopen.com>
6790 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6791 Correct comment describing BOOLEAN_TYPE.
6793 2006-02-07 Dirk Mueller <dmueller@suse.com>
6795 * c.opt: C++ frontend supports -Wdiv-by-zero.
6796 * c-opts.c (c_common_handle_option): Remove dead case.
6798 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6800 * configure.ac (TLS assembler check): Do not enable TLS by
6801 default on SPARC/Solaris before version 10.
6802 * configure: Regenerate.
6804 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6806 * doc/invoke.texi (xl-compat): Document conversion and support
6809 2006-02-07 Jeff Law <law@redhat.com>
6811 * tree-vrp.c (find_conditional_asserts): Update comments.
6812 (simplify_stmt_for_jump_threading): New.
6813 (identify_jump_threads, finalize_jump_threads): New.
6814 (vrp_finalize): Call identify_jump_threads.
6815 (execute_vrp): Call finalize_jump_threads.
6816 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6817 (vrp_element, vrp_data, vrp_element_p): Remove.
6818 (vrp_hash_elt, vrp_variables_stack): Remove.
6819 (vrp_hash, vrp_eq, record_range): Remove.
6820 (simplify_cond_and_lookup_avail_expr): Remove.
6821 (extract_range_from_cond): Remove.
6822 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6823 (simplify_stmt_for_jump_threading): New.
6824 (dom_thread_across_edge): New wrapper.
6825 (tree_ssa_dominator_optimize): No longer initialize or
6826 finalize any of the VRP datastructures. Remove iteration
6827 step and simplify as a result of removal of iteration step.
6828 (pass_dominator): Perform a cfg cleanup after DOM.
6829 (dom_opt_finalize_block): Use the new common routines
6830 for threading jumps. Simplify stack management slightly.
6831 No longer need to unwind VRP state.
6832 (record_equivalences_from_incoming_edge): No longer record
6834 (eliminate_redundant_computations): No longer call
6835 simplify_cond_and_lookup_avail_expr.
6836 * tree-flow.h (potentially_threadable_block): Prototype.
6837 (thread_across_edge): Likewise.
6838 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6839 (tree-ssa-threadedge.o): Add dependencies.
6840 * tree-ssa-threadedge.c: New file.
6841 * passes.c (init_optimization_passes): Merge PHIs before
6842 calling VRP. Run VRP again late in the SSA optimization pipeline.
6844 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6846 * df-core.c (df_set_blocks): Do not dereference function pointers.
6847 (df_finish1): Likewise.
6848 (df_hybrid_search_forward): Likewise.
6849 (df_hybrid_search_backward): Likewise.
6850 (df_iterative_dataflow): Likewise.
6851 (df_analyze_problem): Likewise.
6852 (df_compact_blocks): Likewise.
6853 (df_dump): Likewise.
6854 * df-scan.c (df_rescan_blocks): Likewise.
6855 (df_record_entry_block_defs): Likewise.
6857 * genconditions.c (write_conditions): Guard the definition of
6858 'insn_conditions' with the check on GCC version.
6859 (write_writer): Guard the traversal 'insn_conditions' with
6860 the check on GCC version.
6862 2006-02-07 Richard Guenther <rguenther@suse.de>
6866 2006-01-30 Richard Guenther <rguenther@suse.de>
6868 * gimplify.c (gimplify_target_expr): Handle easy cases
6869 without creating a temporary.
6871 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6873 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6874 use of float in probability computations. Use edge probabilities
6875 in place of statically computed probabilities.
6876 (min_spec_prob): New static variable.
6877 (schedule_insns): Initialize it.
6878 (GET_SRC_PROB): Removed.
6879 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6881 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6884 * config/ia64/unwind-ia64.c: Revert last change.
6885 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6886 (INCOMING_FRAME_SP_OFFSET): Define.
6888 2006-02-06 Roger Sayle <roger@eyesopen.com>
6890 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6892 2006-02-07 Ben Elliston <bje@au.ibm.com>
6894 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6895 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6896 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6897 (ix86_return_in_memory): Handle TDmode.
6898 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6899 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6901 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6903 * reorg.c (dbr_schedule): Use dump_file instead of file.
6905 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6908 * config/ia64/predicates.md (extr_len_operand): New predicate.
6909 * config/ia64/ia64.md (extv): Tighten constraints.
6911 (*tbit_and_2): Ditto.
6912 (*tbit_and_3): Ditto.
6913 (*tbit_or_2): Ditto.
6914 (*tbit_or_3): Ditto.
6918 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6921 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6923 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6925 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6926 loop_optimizer_init and loop_optimizer_finalize
6927 * tree-ssa-sink.c (execute_sink_code): Ditto.
6928 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6929 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6930 tree_ssa_loop_done): Ditto.
6931 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6932 * sched-ebb.c: Include output.h.
6933 (schedule_ebbs): Do not use dump argument.
6934 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6935 * loop.c (loop_dump_stream): Removed.
6936 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6938 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6939 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6940 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6941 loop_iterations, strength_reduce, record_biv, record_giv,
6942 final_giv_value, check_final_value, check_ext_dependent_givs,
6943 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6944 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6945 dump_file instead of loop_dump_stream.
6946 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6948 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6950 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6951 * haifa-sched.c: Include output.h
6952 (schedule_insns, sched_init): Do not use dump argument.
6953 * mode-switching.c (optimize_mode_switching): Ditto.
6954 * modulo-sched.c (stats_file): Removed.
6955 (print_node_sched_params): Do not call argument dump_file.
6956 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6957 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6959 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6961 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6962 rtl_loop_init, rtl_loop_done): Ditto.
6963 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6964 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6966 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6967 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6968 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6969 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6970 * emit-rtl.c (renumber_insns): Ditto.
6971 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6972 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6973 * regclass.c (regclass): Ditto.
6974 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6975 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6976 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6977 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6979 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6980 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6982 * gcse.c (gcse_file, debug_stderr): Removed.
6983 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6984 rest_of_handle_gcse): Do not use dump argument.
6985 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6986 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6987 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6988 compute_code_hoist_vbeinout, compute_code_hoist_data,
6989 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6990 compute_store_table, build_store_vectors, insert_insn_start_bb,
6991 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6992 store_motion): Use dump_file instead of gcse_file.
6993 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6994 * profile.c (profile_dump_file): Removed.
6995 (branch_prob): Use dump_file instead of profile_dump_file.
6996 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6998 * tree-ssa-copy.c (dump_copy_of): Ditto.
6999 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7000 dump file to life_analysis.
7001 * bt-load.c (branch_target_load_optimize): Ditto.
7002 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7004 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7005 regclass, dbr_schedule): Declaration changed.
7006 * sched-int.h (sched_init): Declaration changed.
7007 * tree-profile.c (tree_profile_dump_file): Removed.
7008 (tree_profile_hooks): Removed profile_dump_file hook.
7009 * rtl-profile (rtl_profile_dump_file): Removed.
7010 (rtl_profile_hooks): emoved profile_dump_file hook.
7011 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7013 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7014 * tree-cfg.c (build_tree_cfg): Ditto.
7015 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7016 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7017 Declaration changed.
7018 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7019 life_analysis and schedule_insns.
7020 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7022 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7024 * config/mips/mips.c (mips_reorg): Ditto.
7025 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7028 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7030 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7031 (s390_mangle_fundamental_type): New.
7032 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7035 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7036 (alpha_mangle_fundamental_type): New.
7037 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7040 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7042 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7044 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7045 (sparc_mangle_fundamental_type): New.
7047 2006-02-06 Jakub Jelinek <jakub@redhat.com>
7049 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
7050 (s390x-*-linux*): Likewise.
7051 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
7052 * config/s390/t-linux: New file.
7054 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7056 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7057 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7059 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7061 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7062 (ANTIC_SAFE_LOADS): New macro.
7063 (find_or_generate_expression): Add prototype.
7064 (set_contains_value): Allow null set for sake of not always having
7065 to allocate ANTIC_SAFE_LOADS.
7066 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7067 Allow COMPONENT_REF too.
7068 (valid_in_set): Allow COMPONENT_REF.
7069 Check ANTIC_SAFE_LOADS too.
7070 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7071 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7073 (can_PRE_operation): Add COMPONENT_REF.
7074 (create_component_ref_by_pieces): New function.
7075 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7076 (insert_aux): Move AGGREGATE_TYPE_P check here.
7077 (compute_avail): Set bb local stmt uids.
7078 (pass_pre): Use TODO_update_ssa_only_virtuals.
7080 2006-02-06 Ben Elliston <bje@au.ibm.com>
7082 * configure.ac: Unconditionally disable decimal float by default.
7083 * configure: Regenerate.
7085 2006-02-06 Ben Elliston <bje@au.ibm.com>
7087 * read-rtl.c (read_name): Terminate reading on EOF.
7089 2006-02-06 Ben Elliston <bje@au.ibm.com>
7091 * dfp.c (decimal_real_arithmetic): Change second argument type
7092 from int to enum tree_code. Do not always return true, but now
7093 return result of any call to decimal_do helper functions.
7094 * dfp.h (decimal_real_arithmetic): Update prototype.
7096 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7098 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7100 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7103 * tree-cfg.c (cleanup_dead_labels): Also don't remove
7106 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7108 * tree-vrp.c (cfg_loops): Removed.
7109 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
7110 Use current_loops instead of cfg_loops. Pass flags to
7111 loop_optimizer_init.
7112 * cfgloopmanip.c (fix_loop_structure): Update only available
7114 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
7115 loop_optimizer_init.
7116 * modulo-sched.c (build_loops_structure): Removed.
7117 (sms_schedule): Use loop_optimizer_init.
7118 * loop-init.c (loop_optimizer_init): Use flags to determine
7119 which properties of loops to prepare.
7120 (rtl_loop_init): Pass flags to loop_optimizer_init.
7121 * tree-ssa-sink.c (execute_sink_code): Ditto.
7122 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7123 * tree-ssa-pre.c (init_pre): Ditto.
7124 * cfgloop.h (LOOPS_NORMAL): New.
7125 (loop_optimizer_init): Declaration changed.
7127 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7129 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7130 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7132 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7134 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7136 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7137 * pa/t-pa64: Delete quadlib.c rule.
7138 * pa/x-ada: Revert last change.
7139 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7141 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7143 PR rtl-optimization/26087
7144 * rtlanal.c (canonicalize_condition): Do not cross basic block
7147 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7150 * config/ia64/ia64.c: Include debug.h.
7151 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7152 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7153 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7154 (process_epilogue, process_set, process_for_unwind_directive):
7155 Output unwind info only if requested. Add CFA info if requested.
7156 Add new arguments as needed. Adjust callers.
7157 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7159 (DWARF2_FRAME_INFO): Define to zero.
7160 * config/ia64/unwind-ia64.c: Remove code that compensated for
7161 the CFA offset error fixed above.
7162 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7163 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7164 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7165 -funwind-tables and -fexceptions to enable frame info.
7166 (dwarf2out_frame_init): Define initial CFA even if
7167 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7168 DWARF2_UNWIND_INFO is nonzero, not just defined.
7169 (dwarf2out_frame_finish): Output non-EH call frame info only
7170 if DWARF2_FRAME_INFO is nonzero.
7171 (convert_cfa_to_loc_list,
7172 compute_frame_pointer_to_cfa_displacement): Define even if
7173 unwind info is not supported.
7174 (gen_subprogram_die): Use the above unconditionally. Remove
7175 legacy alternate code.
7176 * toplev.c (compile_file): Compile in call to
7177 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7178 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7180 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7181 Jakub Jelinek <jakub@redhat.com>
7183 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7184 IBM extended float format long double as "g" on powerpc*-linux.
7186 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7189 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7190 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7192 2006-02-03 Jason Merrill <jason@redhat.com>
7195 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7198 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7199 on the return slot if it's an NRV.
7201 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
7203 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
7204 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
7205 rewrite_use): Do not handle USE_OUTER.
7206 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7207 add_iv_outer_candidates, may_replace_final_value,
7208 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7209 (find_interesting_uses_op): Functionality of
7210 find_interesting_uses_outer_or_nonlin moved here.
7211 (find_interesting_uses_outside): Use find_interesting_uses_op.
7213 2006-02-03 Alan Modra <amodra@bigpond.net.au>
7216 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
7218 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7219 Ulrich Weigand <uweigand@de.ibm.com>
7222 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
7223 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
7224 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
7225 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
7227 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
7228 (s390_rtx_costs): Use the new fields to calculate rtx costs.
7229 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
7230 Define secondary reloads for TFmode moves.
7231 (constant_modes): Add TFmode.
7232 (NR_C_MODES): Set to 8.
7233 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
7235 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
7236 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
7237 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
7238 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
7239 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
7240 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
7241 (FPR mode macro): Add TFmode.
7242 (DSF mode macro): New.
7243 (<de>, <dee> mode attributes): Removed.
7244 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
7245 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
7246 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
7247 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
7248 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
7249 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7250 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7251 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7252 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7253 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7254 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7255 "*negabs<mode>2", "sqrt<mode>2"):
7256 Changed <de> to <xde>. R constraint replaced by <Rf>.
7257 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7259 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7260 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7261 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7263 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7264 "extenddftf2", "extendsftf2"): New expanders.
7265 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7266 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7267 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7268 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7270 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7271 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7272 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7273 __floatditf): Add a GCC_4.1.0 symbol version tag.
7274 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7277 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7280 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7281 Use targetm.binds_local_p instead of TREE_PUBLIC.
7283 2006-02-02 Roger Sayle <roger@eyesopen.com>
7285 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7286 on INTEGER_TYPEs to indicate that it denotes a character type.
7287 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7288 signed_char_type_node, unsigned_char_type_node and char_type_node.
7289 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7290 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7291 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7293 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7294 Daniel Berlin <dberlin@dberlin.org>
7296 * tree-tailcall.c (arg_needs_copy_p): New function.
7297 (eliminate_tail_call): Use arg_needs_copy_p.
7298 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7299 (add_virtual_phis): New function.
7301 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7303 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7304 #ignore instead of #scratch for %g7 .register directive.
7306 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7308 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7311 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7313 * flow.c (calculate_global_regs_live): Assert that there aren't any
7316 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7318 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7320 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7321 bsi_after_labels iterator.
7322 * tree-if-conv.c (find_phi_replacement_condition,
7323 replace_phi_with_cond_modify_expr): Likewise.
7324 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7325 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7327 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7329 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7331 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7334 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7335 array after growing it.
7337 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7340 * fold-const.c (fold_checksum_tree): Change type of buf.
7342 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7344 * reload.c (push_secondary_reload): Initialize t_icode.
7346 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7348 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7349 -msoft-float -mlong-double-128 only issue a warning, but don't
7350 swich to DFmode long double.
7352 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7354 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7355 has a constant equivalent, iterate over equivalents for arg0,
7356 calling simplify_relational_operation and if there's a result
7357 cheaper than X, apply fold_rtx and return the result.
7359 2006-02-01 Jan Hubicka <jh@suse.cz>
7361 * opts.c (no_unit_at_a_time_default): New global variable.
7362 (decode_options): Use it.
7363 * opts.h (no_unit_at_a_time_default): Declare.
7365 2006-02-01 Paul Brook <paul@codesourcery.com>
7367 * function.c (assign_parm_setup_reg): Use function argument promotion
7369 * expr.c (expand_expr_real_1): Use function argument promotion rules
7372 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7374 * gcc.c (process_command): Change j to 'unsigned int'.
7376 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7379 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7380 Use the corrected index for the character
7381 out of the string constant.
7383 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7385 * mode-switching.c (optimize_mode_switching): Fix size
7386 allocated for bb_info[n_entities].
7388 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7390 * gcc.c (main): Correct type that is allocated for
7391 explicit_link_files.
7393 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7395 * config/s390/s390.c (init_alignment_context): Set
7396 ALIAS_SET_MEMORY_BARRIER on the MEM.
7397 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7399 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7402 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7404 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7407 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7409 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7410 * regrename.c: Ditto.
7411 * tree-ssa-loop-im.c: Ditto.
7412 * tree-dump.c: Ditto.
7413 * tree-complex.c: Ditto.
7414 * genrecog.c: Ditto.
7415 * tree-ssa-threadupdate.c: Ditto.
7417 * java/class.c: Ditto.
7418 * java/jcf-parse.c: Ditto.
7419 * java/resource.c: Ditto.
7420 * java/except.c: Ditto.
7421 * java/jvspec.c: Ditto.
7422 * java/jcf-write.c: Ditto.
7423 * java/jcf-path.c: Ditto.
7424 * java/gjavah.c: Ditto.
7425 * java/zextract.c: Ditto.
7426 * java/jcf-io.c: Ditto.
7427 * java/jcf.h: Ditto.
7428 * java/buffer.c: Ditto.
7429 * java/lang.c: Ditto.
7430 * java/parse-scan.y: Ditto.
7431 * java/lex.c: Ditto.
7432 * java/lex.h: Ditto.
7433 * cfgloopmanip.c: Ditto.
7434 * postreload-gcse.c: Ditto.
7435 * tree-ssa-loop-manip.c: Ditto.
7436 * postreload.c: Ditto.
7437 * tree-ssa-loop-ch.c: Ditto.
7441 * diagnostic.c: Ditto.
7443 * genoutput.c: Ditto.
7445 * cfghooks.c: Ditto.
7446 * cfgloopanal.c: Ditto.
7447 * objc/objc-act.c: Ditto.
7449 * genextract.c: Ditto.
7450 * genautomata.c: Ditto.
7451 * pretty-print.c: Ditto.
7453 * cgraphunit.c: Ditto.
7456 * haifa-sched.c: Ditto.
7457 * dominance.c: Ditto.
7459 * tree-ssa-loop-ivopts.c: Ditto.
7461 * mode-switching.c: Ditto.
7462 * modulo-sched.c: Ditto.
7464 * ipa-pure-const.c: Ditto.
7466 * fix-header.c: Ditto.
7468 * tree-stdarg.c: Ditto.
7469 * ipa-utils.c: Ditto.
7470 * loop-init.c: Ditto.
7471 * ipa-inline.c: Ditto.
7474 * alloc-pool.c: Ditto.
7475 * dwarf2out.c: Ditto.
7477 * genattrtab.c: Ditto.
7478 * tree-ssa-loop-ivcanon.c: Ditto.
7482 * fortran/gfortranspec.c: Ditto.
7484 * local-alloc.c: Ditto.
7485 * langhooks.c: Ditto.
7486 * function.c: Ditto.
7487 * tree-vectorizer.c: Ditto.
7489 * ipa-type-escape.c: Ditto.
7491 * tree-if-conv.c: Ditto.
7494 * tree-data-ref.c: Ditto.
7495 * loop-unroll.c: Ditto.
7496 * treelang/treetree.c: Ditto.
7499 * ggc-common.c: Ditto.
7501 * coverage.c: Ditto.
7503 * tree-cfgcleanup.c: Ditto.
7504 * tree-ssa-pre.c: Ditto.
7505 * cfgcleanup.c: Ditto.
7506 * loop-invariant.c: Ditto.
7508 * ipa-prop.c: Ditto.
7509 * print-tree.c: Ditto.
7510 * conflict.c: Ditto.
7511 * ggc-page.c: Ditto.
7512 * sched-deps.c: Ditto.
7513 * regclass.c: Ditto.
7514 * tree-object-size.c: Ditto.
7516 * bb-reorder.c: Ditto.
7517 * resource.c: Ditto.
7518 * var-tracking.c: Ditto.
7520 * df-problems.c: Ditto.
7521 * reg-stack.c: Ditto.
7524 * sched-rgn.c: Ditto.
7525 * tree-ssa-structalias.c: Ditto.
7526 * tree-ssa-reassoc.c: Ditto.
7527 * config/darwin-c.c: Ditto.
7528 * config/darwin.c: Ditto.
7529 * config/arm/arm.c: Ditto.
7531 * collect2.c: Ditto.
7534 2006-01-31 Nicolas Pitre <nico@cam.org>
7536 * arm.md (smaxsi3): Make aware of smax_m1.
7539 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7541 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7543 2006-01-31 Richard Guenther <rguenther@suse.de>
7545 * doc/invoke.texi (-msselibm): Document.
7546 * target.h (expand_library_builtin): New target hook.
7547 * builtins.c (expand_builtin): Use expand_library_builtin.
7548 (default_expand_library_builtin): New function.
7549 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7550 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7551 (link_gcc_math_spec): Declare.
7552 (static_specs): Add link_gcc_math_spec.
7553 * expr.h (default_expand_library_builtin): Declare.
7554 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7555 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7556 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7557 * config/i386/i386.opt (msselibm): New target option.
7558 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7559 (ix86_init_sse_abi_builtins): New function.
7560 (ix86_expand_library_builtin): Likewise.
7561 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7562 (override_options): Handle error conditions wrt -msselibm.
7563 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7564 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7565 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7568 2006-01-31 Richard Guenther <rguenther@suse.de>
7569 Paolo Bonzini <bonzini@gnu.org>
7571 * doc/install.texi (--disable-libgcc-math): Document.
7573 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7575 * expr.h (expand_normal): new inline function.
7576 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7578 * dwarf2out.c: use it.
7583 * config/sparc/sparc.c: use it.
7584 * config/i386/i386.c: use it.
7585 * config/rs6000/rs6000.c: use it.
7586 * config/arm/arm.c: use it.
7587 * config/mips/mips.c: use it.
7588 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7590 2006-01-30 Roger Sayle <roger@eyesopen.com>
7592 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7593 argv to the appropriate type.
7595 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7597 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7600 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7603 * config/s390/s390.c (struct machine_function): New flag
7604 decomposed_literal_pool_addresses_ok_p.
7605 (s390_reorg): Set it before final stage of literal pool transforms.
7606 (s390_decompose_address): Only accept displacements of the form
7607 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7609 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7611 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7612 the comparison routine return.
7614 2006-01-30 Michael Matz <matz@suse.de>
7616 * global.c (find_reg): Only evict for global regs.
7617 Take n_refs into account and dump more info.
7619 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7622 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7623 (pragma_trap, pragma_nosave_low_regs): Likewise.
7624 (current_function_anonymous_args): Likewise.
7625 (sh_deferred_function_attributes): New variable.
7626 (sh_deferred_function_attributes_tail): Likewise.
7627 (print_operand): For '@', look up trap_exit attribute.
7628 (calc_live_regs): Look up trapa_handler attribute. For trapa
7629 handlers, save/restore fpscr, but don't do any other
7630 interrupt-specific saves.
7631 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7632 Fix check for partially saved registers to check for SHmedia.
7633 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7634 (sh_output_function_epilogue): Don't clear any of the removed
7636 (sh_insert_attributes): Don't check pragma_interrupt.
7637 Insert deferred attributes. Check that interrupt attribute is
7638 present for other attributes that require its presence.
7639 (sh_attribute_table): Add new attributes trapa_handler and
7641 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7642 Don't check for pragma_interrupt. Don't store argument.
7643 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7644 (sh_deferred_function_attributes): Declare.
7645 (sh_deferred_function_attributes_tail): Likewise.
7646 * sh.md (sp_switch_1): Add operand. Change generator caller.
7647 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7648 (*return_i): Don't use when trap_exit attribute is in effect.
7649 (*return_trapa): New insn pattern.
7651 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7652 setting c_target_objs and cxx_target_objs.
7653 * t-sh: Add rule for sh-c.o.
7655 2006-01-30 Richard Guenther <rguenther@suse.de>
7658 * gimplify.c (gimplify_target_expr): Handle easy cases
7659 without creating a temporary.
7661 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7663 * vec.h (safe_grow): Remove duplicated line.
7665 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7668 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7669 (expand_omp): ... here.
7670 (expand_omp_parallel): Only remove barriers for combined
7671 parallel+workshare constructs.
7673 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7677 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7678 * tree.c (build_qualified_type): Chain the new type to the original
7679 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7680 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7681 (build_pointer_type_for_mode): Only return unqualified types.
7682 (build_reference_type_for_mode): Likewise.
7684 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7686 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7687 * Makefile.in (CXX_COMPAT_WARN): Define.
7688 * configure: Regenerate.
7690 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7693 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7696 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7698 * toplev.c: Fix thinko.
7700 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7701 Marcin Dalecki <martin@dalecki.de>
7703 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7704 (push_srcloc): Use XNEW.
7705 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7707 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7709 * df-core.c (df_set_blocks): Deleted all variable.
7711 2006-01-28 Ian Lance Taylor <ian@airs.com>
7713 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7714 cgraph_output_pending_asms.
7716 2006-01-28 Zack Weinberg <zackw@panix.com>
7718 * c.opt: Add -W(no-)overlength-strings.
7719 * doc/invoke.texi: Document it.
7720 * c-opts.c (c_common_handle_option): -pedantic implies
7721 -Woverlength-strings, if not explicitly disabled already.
7722 (c_common_post_options): -Woverlength-strings defaults to off, and
7723 is always off for C++.
7724 * c-common.c (fix_string_type): Issue warning about strings longer
7725 than is portable only if warn_overlength_strings. Rearrange code
7726 a little for clarity.
7727 * configure.in: Check for -Wno-overlength-strings as well before
7728 enabling -pedantic in stage 1.
7729 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7730 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7732 * genconditions.c (write_header, write_one_condition)
7733 (write_conditions, write_writer): Consolidate very long strings
7734 that were broken up to fit in C89 portable limit. Don't use
7735 printf when fputs will do.
7737 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7739 * combine.c (simplify_comparison <AND>): Check
7740 TRULY_NOOP_TRUNCATION before start using a subreg.
7742 * config/mips/mips.md (*branch_zero<mode>,
7743 *branch_zero<mode>_inverted, *branch_equality<mode>,
7744 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7745 Remove mode check from comparisons.
7747 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7749 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7751 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7753 * expmed.c (const_mult_add_overflow_p): Remove.
7754 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7756 * recog.c (validate_replace_rtx_subexp): Remove.
7757 * recog.h: Remove the prototype for
7758 validate_replace_rtx_subexp.
7760 * integrate.h: Remove the prototype for
7761 copy_decl_for_inlining.
7762 * rtl.h: Remove the prototype for mark_constant_function.
7763 * tree-vectorizer.h: Remove the prototype for
7764 vect_strip_conversion.
7766 * modulo-sched.c (create_partial_schedule,
7767 free_partial_schedule, reset_partial_schedule): Make them
7770 * hooks.c (hook_bool_rtx_int_false): Remove.
7771 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7773 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7775 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7776 and -mlong-double-128 are incompatible.
7777 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7778 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7779 (TARGET_LIBGCC2_CFLAGS): Define.
7780 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7781 (TARGET_LIBGCC2_CFLAGS): Same.
7782 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7784 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7787 * c-typeck.c (build_binary_op): Perform implicit casts of
7788 operands before shortening them.
7790 * cfgloopmanip.c (split_loop_bb): Remove.
7791 * cfgloop.h: Remove the prototype for split_loop_bb.
7793 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7794 * cfgloop.h: Remove the prototype for
7795 flow_loop_outside_edge_p.
7797 * emit-rtl.c (init_virtual_regs): Make it static.
7798 * function.h: Remove the prototype for init_virtual_regs.
7800 * recog.c (peephole2_optimize): Make it static.
7801 * recog.h: Remove the prototype for peephole2_optimize.
7803 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7805 * df-scan.c (df_record_entry_block_defs): Check if
7806 INCOMING_RETURN_ADDR_RTX is defined.
7808 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7809 Kenneth Zadeck <zadeck@naturalbridge.com>
7811 PR rtl-optimization/24762
7812 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7813 * targhooks.c (hook_void_bitmap): New hook prototype.
7814 * targhoohs.h (hook_void_bitmap): Ditto.
7815 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7816 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7817 * target.h (live_on_entry): New function pointer.
7818 * df-scan.c (df_all_hard_regs): Removed.
7819 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7820 (df_scan_free_internal): Added df->entry_block_defs.
7821 (df_scan_alloc): Ditto.
7822 (df_scan_dump): Ditto.
7823 (df_uses_record): Plumbed flag field properly thru calls.
7824 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7825 This part fixes PR24762.
7826 (df_bb_refs_record): Added code to make the frame and arg
7827 pointers live in EH blocks.
7828 (df_refs_record): Added call to df_record_entry_block_defs.
7829 (df_record_entry_block_defs): New function.
7830 * df-core.c: Added comments to describe new artifical defs.
7831 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7832 (entry_block_defs): New field in struct df.
7833 (df_all_hard_regs): Deleted.
7834 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7835 * df-problems.c (df_ru_bb_local_compute_process_def):
7836 Added code to handle artifical defs in the entry to a function.
7837 (df_ru_bb_local_compute): Ditto.
7838 (df_rd_bb_local_compute_process_def): Ditto.
7839 (df_rd_bb_local_compute): Ditto.
7840 (df_lr_bb_local_compute): Ditto.
7841 (df_ur_bb_local_compute): Ditto.
7842 (df_urec_bb_local_compute): Ditto.
7843 (df_chain_create_bb): Ditto.
7844 (df_ur_local_finalize): Removed entry.
7845 (df_urec_init): Ditto.
7846 (df_urec_local_finalize): Ditto.
7847 (df_ri_bb_compute): Added detection of last use of pseudos.
7848 * Makefile.in (df-scan.o): Updated dependencies.
7849 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7850 * config/mips/mips.c (mips_set_live_on_entry): Added.
7851 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7853 * dce.c (marked_insn_p): Added code to handle artifical defs.
7855 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7857 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7859 (_mm_cvtsi128_si64): Likewise.
7860 (_mm_cvtsd_si64): Likewise.
7861 (_mm_cvttsd_si64): Likewise.
7862 (_mm_cvtsi64_sd): Likewise.
7863 (_mm_cvtsi64_si128): Likewise.
7864 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7865 (_mm_cvtsi64_m64): Likewise.
7866 (_m_to_int64): Likewise.
7867 (_mm_cvtm64_si64): Likewise.
7868 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7869 (_mm_cvttss_si64): Likewise.
7870 (_mm_cvtsi64_ss): Likewise.
7871 (_mm_cvtss_f32): Likewise.
7873 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7875 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7876 for pragma redefine_extname.
7878 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7881 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7882 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7883 -mno-minimal-toc to previous content.
7884 (bispecs): Remove goal.
7885 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7886 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7887 compatibility aliases on powerpc-*-*gnu*.
7888 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7889 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7890 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7891 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7892 (ldblspecs): New goal.
7893 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7894 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7896 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7897 L_sf_to_tf or L_df_to_tf is defined.
7899 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7900 Alan Modra <amodra@bigpond.net.au>
7903 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7904 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7905 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7906 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7907 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7908 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7909 (rs6000_override_options): Initialize rs6000_ieeequad.
7910 Initialize TFmode format to ibm_extended_format if not
7912 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7914 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7915 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7916 (function_arg_advance): IBM long double passed in two FPRs, not
7918 (function_arg): IBM long double passed in FPRs.
7919 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7920 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7921 Only multireg GPR aligned.
7922 (rs6000_init_libfuncs): Enable IBM long double functions if not
7924 (rs6000_generate_compare): Use IBM long double compare if not
7926 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7927 (TARGET_IEEEQUAD): Define.
7928 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7929 not TARGET_IEEEQUAD.
7930 * config/rs6000/rs6000.md: Enable TFmode patterns if
7932 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7933 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7934 and -mlong-double-128 are incompatible.
7935 * doc/invoke.texi (-mabi): Collect options together. Add
7936 ibmlongdouble and ieeelongdouble.
7938 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7940 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7942 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7943 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7944 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7945 * rtl.h (rtunion_def): Remove rt_ptr.
7947 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7948 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7949 * config/i386/winnt.c (i386_pe_mark_dllexport)
7950 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7952 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7954 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7956 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7960 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7961 pthread_key_delete. From John David Anglin. gthrw-ify
7962 pthread_getunique_np only if it it's not a macro. Delete
7964 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7965 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7966 __gthread_objc_condition_signal, __gthread_key_delete): Add
7967 "__attribute__ ((__unused__))" to unused arguments.
7968 (__gthread_recursive_mutex_init_function): Add missing return.
7969 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7970 gthr-posix95.h: Use macro-based approach for name redirection
7971 on targets missing weakref.
7973 2006-01-26 Zack Weinberg <zackw@panix.com>
7975 * genconditions.c (write_header): In generated code, #ifdef out
7976 all includes and fake declarations, except includes of bconfig.h
7977 and system.h, unless GCC_VERSION >= 3001. Do not include
7978 gensupport.h in any case.
7979 (write_conditions): Generate a definition of struct c_test. Add
7980 a comment to the generated #endif.
7981 (write_one_condition): Escape backslashes in string too.
7982 (write_writer): Generated code must escape backslashes and quote
7983 marks (but not newlines) in the strings it writes.
7984 * Makefile.in (build/gencondmd.o): Update dependencies.
7986 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7989 * Makefile.in (insn-automata.o): Add header file dependencies.
7990 * genautomata.c: Add includes.
7992 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7995 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7997 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7999 * configure.ac: Expect target tools paths to be passed from the toplevel
8000 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8002 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8004 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8007 * c.opt (Wpointer-sign): Init to -1.
8008 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8009 OPT_pedantic, to 0 otherwise.
8010 * doc/invoke.texi: Update.
8012 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8014 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8015 constants provided by 80387 instructions in the destination mode.
8017 2006-01-26 Richard Guenther <rguenther@suse.de>
8018 Andrew Pinski <pinskia@physics.uc.edu>
8021 partial PR tree-opt/17064
8022 * tree-ssa-structalias.c (intra_create_variable_infos):
8023 Create heap variables for incoming parameters if
8024 flag_argument_noalias > 1.
8025 (find_what_p_points_to): Look through default defs of
8028 2006-01-26 Jeff Law <law@redhat.com>
8031 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
8032 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
8033 within the VR_RANGE, use the VR_RANGE as the result, not the
8035 (adjust_range_with_scev): Reject ranges from SCEV which are out of
8036 bounds for the type.
8038 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8040 * tree-ssa-alias.c (maybe_create_global_var): Change
8041 subvar walking to an assertion that we don't have subvar'd variables.
8043 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8046 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8047 Use a new variable, inner. PARM_DECLs are always non-weak.
8049 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
8051 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
8054 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
8056 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8058 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8060 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8061 (smax_insn, smin_insn, smax_0, smin_0): New.
8063 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8066 * config/cris/cris.c (cris_order_for_addsi3): New function.
8067 * config/cris/cris-protos.h: Prototype it.
8068 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8069 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8070 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8071 (split for "op.S1 [rx=rx+i],ry (swapped)")
8072 (split for "op(s|u).S1 [rx=rx+i],ry")
8073 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8074 Apply cris_order_for_addsi3 when generating addsi3 insns.
8076 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8078 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8079 (TREE_BLOCK): Add call to EXPR_CHECK.
8081 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8084 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8085 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8086 (dump_omp_clauses): ... here.
8087 (dump_generic_node): Handle OMP_CLAUSE.
8088 * tree.c (omp_clause_num_ops): New.
8089 (omp_clause_code_name): New.
8090 (tree_code_size): Handle OMP_CLAUSE.
8091 (tree_size): Likewise.
8092 (make_node): Document handling of OMP_CLAUSE.
8093 (tree_node_structure): Handle OMP_CLAUSE.
8094 (omp_clause_check_failed): New.
8095 (omp_clause_range_check_failed): New.
8096 (omp_clause_operand_check_failed): New.
8097 (build_omp_clause): New.
8098 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8099 * tree.h (enum omp_clause_code): Declare.
8100 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8101 (OMP_CLAUSE_RANGE_CHECK): Define.
8102 (OMP_CLAUSE_ELT_CHECK): Define.
8103 (omp_clause_check_failed): Declare.
8104 (omp_clause_operand_check_failed): Declare.
8105 (omp_clause_range_check_failed): Declare.
8106 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
8107 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
8108 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
8109 (OMP_CLAUSE_LASTPRIVATE): Likewise.
8110 (OMP_CLAUSE_IF_EXPR): Likewise.
8111 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
8112 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
8113 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
8114 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
8115 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8116 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8117 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8118 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8119 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8120 (OMP_CLAUSE_CODE): Define.
8121 (OMP_CLAUSE_SET_CODE): Define.
8122 (OMP_CLAUSE_CODE): Define.
8123 (OMP_CLAUSE_OPERAND): Define.
8124 (struct tree_omp_clause): Declare.
8125 (union tree_node): Add field 'omp_clause'.
8126 * treestruct.def (TS_OMP_CLAUSE): Define.
8127 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8128 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8129 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8130 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8131 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8132 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8133 (OMP_CLAUSE): Define.
8134 * print-tree.c (print_node): Handle OMP_CLAUSE.
8135 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8136 * c-typeck.c: Likewise.
8137 * gimplify.c: Likewise.
8138 * c-omp.c: Likewise.
8139 * tree-nested.c: Likewise.
8140 * tree-inline.c: Likewise.
8141 * c-parser.c: Likewise.
8142 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8145 2006-01-25 Roger Sayle <roger@eyesopen.com>
8147 PR rtl-optimization/25703
8148 * combine.c (try_combine): Handle zero_extract and strict_low_part
8149 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8151 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8153 * global.c: Fix comment typos.
8155 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8158 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8159 Use output_addr_const instead of assemble_name.
8161 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8163 * Makefile.in (sched-vis.o): Update dependencies.
8164 * haifa-sched.c (sched_finish): Clear current_sched_info.
8165 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8166 (dump_flow_info): Call it.
8167 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8169 * basic-block.h (dump_bb_info): Declare.
8170 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8171 option, and apply options only for dump files whose TDF_RTL,
8172 TDF_TREE, or TDF_IPA bits match.
8173 * rtl.h: Declare new functions exported from sched-vis.c.
8174 * sched-vis.c: Enable also if scheduling is not used.
8175 (print_value): Print the mode of registers if not inside scheduling.
8176 (print_insn): Make it work outside the scheduler. Beautify the output
8178 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8180 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8182 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8183 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8184 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8185 depending on the value of CONSTANT_POOL_ADDRESS_P.
8186 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8188 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8189 rather than SYMBOL_REF_DECL.
8190 (rtx_constant_pool): Remove const_rtx_sym_htab.
8191 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8192 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8193 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8194 Remove handling of const_rtx_sym_htab.
8195 (find_pool_constant): Delete.
8196 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8197 rather than find_pool_constant.
8198 (get_pool_constant_for_function): Delete.
8199 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8201 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
8202 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
8203 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
8204 (SYMBOL_REF_CONSTANT): New macro.
8205 (get_pool_constant_for_function): Delete.
8206 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8207 rather than SYMBOL_REF_DECL.
8208 (i386_pe_mark_dllimport): Likewise.
8209 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8210 rather than SYMBOL_REF_DECL.
8211 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8212 (machopic_indirect_call_target): Likewise.
8214 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
8216 * flow.c (delete_noop_moves): Add missing EOL to dump message.
8218 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8220 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
8222 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
8224 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
8226 2006-01-24 David Daney <ddaney@avtrex.com>
8229 * configure.ac (enable_tls): New enable option.
8230 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
8231 * configure: Regenerate.
8232 * doc/install.texi (--enable-tls): Document new option.
8233 (--disable-tls): Ditto.
8235 2006-01-24 Richard Henderson <rth@redehat.com>
8237 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
8238 * alias.c (true_dependence): Respect it.
8239 (canon_true_dependence, write_dependence_p): Likewise.
8240 * builtins.c (get_builtin_sync_mem): Set it.
8242 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
8244 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
8247 2006-01-24 DJ Delorie <dj@redhat.com>
8249 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8250 for storing constants in single-bit bitfields.
8252 2006-01-25 Ben Elliston <bje@au.ibm.com>
8254 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8256 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8259 * tree-ssa-pre.c (phi_translate): Return NULL
8260 for AGGREGATE_TYPE's.
8262 2006-01-24 Zack Weinberg <zackw@panix.com>
8264 * genautomata.c (process_state_for_insn_equiv_partition):
8265 Use xcalloc for insn_arcs_array.
8266 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8267 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8269 2006-01-24 Richard Henderson <rth@redhat.com>
8271 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8274 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8276 PR rtl-optimization/25890
8277 PR rtl-optimization/25905
8278 * combine.c (expand_compound_operation, expand_field_assignment):
8279 Fail if the bitfield's final position is out of bounds.
8281 2006-01-24 Ian Lance Taylor <ian@airs.com>
8284 * cgraphunit.c (cgraph_output_in_order): Don't clear
8285 cgraph_asm_nodes until after asm strings have been output.
8287 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8289 * fix-header.c (read_scan_file): Add new parameter imultilib when
8290 calling register_include_chains.
8292 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8294 * omp-low.c: Update documentation.
8296 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8297 Daniel Berlin <dberlin@dberlin.org>
8301 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8302 return from the function.
8304 2006-01-22 Zack Weinberg <zackw@panix.com>
8306 * rtl.def (match_code): Add second argument.
8307 * genpreds.c (write_extract_subexp): New function.
8308 (write_match_code): Add path argument. Use write_extract_subexp.
8309 (write_predicate_expr): Pass path to write_match_code.
8310 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8311 not perform a mode test.
8312 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8313 a subexpression does not constrain the top-level code set.
8314 * read-rtl.c (read_rtx_variadic): New function.
8315 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8316 * doc/md.texi: Document new notation.
8317 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8318 (cmpsi_operand): ... here, using new notation.
8320 2006-01-22 Zack Weinberg <zackw@panix.com>
8322 * varray.c: Remove GENERATOR_FILE #ifdefs.
8324 2006-01-22 Zack Weinberg <zackw@panix.com>
8326 * genautomata.c (output_reserved_units_table): Emit nothing if
8327 description->query_units_num is zero. Remove extra blank line.
8328 (output_cpu_unit_reservation_p): Short circuit
8329 if description->query_units_num is zero.
8331 2006-01-22 Zack Weinberg <zackw@panix.com>
8333 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8334 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8335 nor any of the random handful of variables that used to be necessary
8336 when this program was linked with rtlanal.o. Prune set of forward
8337 function declarations.
8338 (struct attr_desc): Remove static_p field.
8339 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8340 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8341 (attr_string): Do not read the character one past the length of
8343 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8344 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8345 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8346 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8347 (make_automaton_attrs): New.
8348 (main): Do not call into genautomata. Call local gen_bypass
8349 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8350 Remove special case for insn_alts.
8351 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8352 varray.h (leftover from previous change). Prune set of forward
8353 function declarations. Remove state_alts fields from all
8354 structures. Remove state_alts_table from struct automaton.
8355 Make everything except main static. Do not maintain num_dfa_decls.
8356 Do not maintain state_alts fields of various structures.
8357 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8358 (add_arc): Remove state_alts argument. All callers updated.
8359 (output_reserved_units_table): Emit #ifdef here...
8360 (output_tables): ...not here. Don't generate state_alts tables.
8361 (expand_automata): Don't generate attributes.
8362 (write_automata): Don't generate state_alts functions.
8363 (main): New function.
8364 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8365 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8366 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8367 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8368 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8369 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8370 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8371 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8373 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8374 * genattrtab.h: Delete file.
8375 * Makefile.in (OBJS-common): Add insn-automata.o.
8376 (insn-automata.o): New rule.
8377 (simple_generated_c): Add insn-automata.c.
8378 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8379 (genprogmd): Add automata.
8380 (build/genattrtab): Needs no extra objects nor libraries.
8381 (build/genautomata): Needs build/vec.o and -lm.
8383 2006-01-22 Zack Weinberg <zackw@panix.com>
8385 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8386 (output_dfa_max_issue_rate, locked_states_num): Delete.
8387 (struct automaton): Add locked_states field.
8388 (output_dead_lock_vect): Save number of locked states in
8389 automaton->locked_states. If it is zero, don't print anything.
8390 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8391 (output_internal_dead_lock_func): Only test the dead_lock_vect
8392 for automata that have locked states.
8393 (output_statistics): Always print the number of locked states for
8394 each automaton. Calculate total number of locked states here.
8395 (write_automata): Don't call output_dfa_max_issue_rate.
8396 * genattrtab.c: Define length_unit_log as a const variable.
8397 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8398 max_insn_queue_index const.
8399 * final.c (length_unit_log): Declare const.
8400 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8402 2006-01-22 Zack Weinberg <zackw@panix.com>
8404 * genautomata.c: Include vec.h, not varray.h.
8405 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8406 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8407 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8408 VEC_* macros operating on appropriately typed vectors, or to
8409 malloced arrays when the size is known in advance. Const-ify
8410 many char* variables and function arguments. No functional changes.
8411 * Makefile.in (build/varray.o): Delete rule.
8412 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8413 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8415 2006-01-22 Zack Weinberg <zackw@panix.com>
8417 * gensupport.c: Define get_insn_name and record_insn_name here.
8418 (read_md_rtx): Call record_insn_name as appropriate.
8419 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8420 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8421 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8423 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8424 (BUILD_VARRAY): Delete.
8425 (genprognormal): Rename genprogmd. Fold in all programs from
8426 genprognoprint; also attrtab.
8427 (build/genattrtab): Just mention genautomata.o and varray.o.
8428 Reorganize a bit, add comments to make the categories clearer.
8430 2006-01-22 Zack Weinberg <zackw@panix.com>
8432 * genconditions.c (condition_table, add_condition): Delete.
8433 (write_conditions): Don't emit n_insn_conditions nor
8434 insn_elision_unavailable. Issue the gcc version #ifdef here,
8435 inside the table, with no #else clause ...
8436 (write_header): ...not here.
8437 (write_writer): New function.
8438 (main): Don't initialize condition_table. Use add_c_test.
8440 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8441 files on the command line.
8442 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8443 Return -1 if there is no entry in the table, don't abort.
8444 (add_c_test, traverse_c_tests): New functions.
8445 * gensupport.h (insn_elision_unavailable, insn_conditions)
8446 (n_insn_conditions): Delete declarations.
8447 (add_c_test, traverse_c_tests): Declare.
8448 * read-rtl.c: Include gensupport.h.
8449 (read_conditions): New function.
8450 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8451 (read_rtx_1): If we get EOF when we were looking for an initial
8452 open paren, return 0. Call read_conditions when appropriate.
8453 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8454 dummy-conditions.o. Eliminate references to insn-conditions.o,
8455 or change them to build/gencondmd.o, as appropriate. Remove
8456 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8457 from $(simple_generated_c). For all files remaining in those
8458 two lists, add insn-conditions.md to the generator command line.
8459 Give insn-constants.h/s-constants their own rules. Add rules
8460 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8461 (build/read-rtl.o): Depend on gensupport.h.
8462 (genprognormal): Include preds.
8463 (genprogearly): Rename genprognoprint; only difference is now that
8464 they don't link with $(BUILD_PRINT).
8465 * dummy-conditions.c: Delete.
8467 2006-01-22 Zack Weinberg <zackw@panix.com>
8469 * genextract.c: Don't include insn-config.h. Do include vec.h.
8470 Declare vectors of int, char, and locstr.
8471 (locstr): New typedef.
8472 (struct extraction): Make all array fields into bare pointers.
8473 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8474 (insn_code_number): Delete.
8475 (accum_extract): New struct.
8476 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8477 (gen_insn): Take insn_code_number as an argument. Use an
8478 accum_extract structure instead of loading data directly into
8479 a struct extraction, and having to know how big it might get.
8480 (walk_rtx): Operate entirely on an accum_extract structure.
8481 (print_path): Avoid unnecessary use of printf.
8482 (print_header): New function, split out of main. Distinguish
8483 more carefully between an unrecognizable insn and an insn that
8484 has the code number of a define_expand.
8485 (main): Pass insn_code_number to gen_insn. Call print_header
8486 only after parsing. Avoid unnecessary use of printf.
8487 * Makefile.in (build/vec.o): New rule.
8488 (build/genextract): Depend on build/vec.o.
8489 (build/genextract.o): Don't depend on insn-config.h.
8491 2006-01-22 Zack Weinberg <zackw@panix.com>
8493 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8494 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8495 practical. Eliminate per-generator-program link rules.
8497 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8500 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8501 with a call expr to ...
8502 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8504 2006-01-23 Richard Guenther <rguenther@suse.de>
8506 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8507 before make_edge with conditional EDGE_TRUE_VALUE.
8509 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8510 Jan Hubicka <jh@suse.cz>
8511 Richard Guenther <rguenther@suse.de>
8513 PR rtl-optimization/25654
8514 * cfgexpand.c (aggregate_contains_union_type): New function.
8515 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8516 for structure variables that contain a union type.
8518 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8520 * gengtype.c (new_structure): Return the structure.
8521 (create_option): Add an extra "next" argument.
8522 (create_field): New function.
8523 (adjust_field_rtx_def): Use create_option and create_field.
8524 Remove a now-unnecessary call to find_structure.
8525 (adjust_field_tree_def): Likewise.
8526 (note_yacc_type): Remove an unnecessary call to find_structure.
8527 * gengtype.h (new_structure): Return the structure.
8528 (create_option): Add an extra argument.
8529 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8530 (option): Adjust calls to create_option.
8532 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8534 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8536 2006-01-22 Paul Brook <paul@codesourcery.com>
8537 Peter Barada <peter@the-baradas.com>
8539 * config/m68k/m68k.md: Add Coldfire FPU support.
8540 Define FP mode macro and associated attributes.
8541 Use it for float mode patterns.
8542 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8543 (LIBCALL_VALUE): Use m68k_libcall_value.
8544 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8545 (m68k_function_value): Ditto.
8546 (emit_move_sequence): Ditto.
8547 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8548 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8549 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8550 (MULTILIB_EXCEPTIONS): Ditto.
8551 * config/m68k/m68k.opt: Add mcfv4e.
8552 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8553 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8554 (m68k_output_function_prologue): Save ColdFire FPU registers.
8555 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8556 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8557 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8558 ColdFire FPU registers.
8559 (m68k_libcall_value, m68k_function_value): New functions.
8560 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8561 (LIBCALL_VALUE): Use m68k_libcall_value.
8562 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8563 (MASK_COLDFIRE): Add MASK_CFV4E.
8564 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8565 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8566 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8567 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8568 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8569 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8570 * doc/invoke.tex: Document -mcfv4e on m68k.
8572 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8574 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8577 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8580 * c-opts.c (c_common_handle_option): Don't include
8581 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8582 * doc/invoke.texi (C++ Dialect Options): Document that
8583 -Wnon-virtual-dtor is no longer included in -Wall.
8585 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8587 * gcov.c (print_version), gcov-dump.c (print_version),
8588 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8591 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8593 * df-scan.c (problem_SCAN): Added NULL reset function.
8594 (df_scan_reset_blocks): Added code to call reset block function
8595 (df_bb_refs_delete) Fixed comment.
8596 (df_insn_refs_delete): Made tolerant of deleting non existent info
8597 for dataflow problems that need to be reset.
8598 * df-core.c (df_set_blocks): Ditto.
8599 * df.h (struct df_problem): Added reset_fun.
8600 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8601 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8602 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8603 functions to clear out all references to def-use or use-def chains.
8605 2006-01-21 Ben Elliston <bje@au.ibm.com>
8607 * varasm.c (assemble_real): Initialise data array.
8609 2006-01-20 Paul Brook <paul@codesourcery.com>
8611 Merge from csl-arm-branch.
8612 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8613 * config/arm/arm.md (movdi): Force operands[1] to a register
8614 if we have a non-register source.
8615 (*arm_movdi, *movdf_soft_insn): Require that one of the
8616 operands be a register.
8617 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8618 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8620 2006-01-20 DJ Delorie <dj@redhat.com>
8622 * varasm.c (initialize_constant_valid_p): Allow pointers
8623 initialized from integer constants of lesser precision.
8624 (output_constant): Allow non-int-sized pointer modes to be
8625 initialized from integer constants.
8627 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8630 * cppdefault.h (struct default_include): Add multilib flag.
8631 * cppdefault.c (cpp_include_defaults): Set it.
8632 * c.opt (-imultilib): New option.
8633 * c-opts.c (imultilib): New.
8634 (c_common_handle_option): Handle -imultilib.
8635 (c_common_post_options): Likewise.
8636 * c-incpath.c (add_standard_paths, register_include_chains):
8638 * c-incpath.h (register_include_chains): Add extra parameter.
8639 * gcc.c (do_spec_1): Generate -imultilib option.
8640 (The Specs Language): Update %I description.
8641 (process_command): Update copyright notice.
8642 * doc/cppopts.texi (-imultilib): Document.
8643 * doc/invoke.texi (-imultilib): Include in option summary.
8644 (%I): Update specs documentation.
8646 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8648 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8650 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8652 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8655 2006-01-20 Richard Guenther <rguenther@suse.de>
8656 Steven Bosscher <stevenb.gcc@gmail.com>
8658 PR rtl-optimization/24626
8659 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8660 EDGE_TRUE_VALUE if in RTL mode.
8663 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8664 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8666 2006-01-20 Dirk Mueller <dmueller@suse.com>
8669 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8670 instead of a special NOP marker.
8671 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8672 NOP marker handling.
8673 * c-common.h (empty_body_warning): Add forward declaration.
8674 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8675 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8677 2006-01-20 Paul Brook <paul@codesourcery.com>
8679 * Makefile.in (lang_checks): Keep going if mkdir fails.
8681 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8683 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8684 be able to clean out basic block when not necessary.
8685 (df_scan_free): Fixed to properly delete information if df is
8686 unused before calling df_finish.
8687 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8688 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8690 (df_bb_refs_delete): New function.
8691 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8692 * df-core.c (df_set_blocks): Added code to properly clean out
8693 unused blocks if they are not part of the blocks to consider.
8694 Added additional null check.
8695 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8696 be able to clean out basic block when not necessary
8697 * df.h (df_free_bb_function): Ditto.
8698 (df_bb_refs_delete): New function.
8699 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8700 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8701 basic block parameter to be able to clean out basic block when not
8703 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8704 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8705 Fixed to properly delete information if df is unused before
8708 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8710 PR rtl-optimization/25799
8711 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8712 Corrected confluence operator to remove bits from op2 before oring
8713 with op1 rather than removing bits from op1.
8714 (df_ru_transfer_function): Corrected test on wrong bitmap which
8715 caused infinite loop. Both of these problems were introduced in
8716 the dataflow rewrite.
8718 2006-01-19 DJ Delorie <dj@redhat.com>
8720 * reload1.c (find_reload_regs): Note the details of reload
8721 failures in the dump file.
8722 (spill_failure): Likewise.
8724 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8726 * loop-iv.c: Include df.h and hashtab.h.
8727 (enum iv_grd_result): New enum.
8728 (DF_REF_IV, DF_REF_IV_SET): New macros.
8729 (struct biv_entry): New.
8730 (df, bivs): New global variables.
8731 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8732 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8734 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8735 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8736 analyzed_for_bivness_p, record_biv): New functions.
8737 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8738 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8739 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8741 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8743 (iv_number_of_iterations): Use new interface to iv analysis.
8744 * loop-unroll.c: Do not include varray.h.
8745 (analyze_iv_to_split_insn): Use new interface to iv
8747 * loop-unswitch.c (may_unswitch_on): Ditto.
8748 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8750 (df_bb_modify): Realloc tables to the new index.
8751 (df_find_use): New function.
8752 * df.h (df_find_use): Declare.
8753 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8755 * cfgloop.h (struct rtx_iv): Remove analysed field.
8756 (iv_get_reaching_def): Removed.
8757 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8758 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8759 (loop-iv.o): Add df.h and hashtab.h dependency.
8760 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8762 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8765 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8767 (__floatundisf, __floatundidf): Likewise.
8768 * libgcc2.h (IS_IBM_EXTENDED): Define.
8770 2006-01-19 DJ Delorie <dj@redhat.com>
8772 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8774 2006-01-19 Paul Brook <paul@codesourcery.com>
8776 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8777 as nothrow when unwinding tables are disabled.
8779 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8782 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8783 of bit-field" when in system header.
8785 2006-01-19 DJ Delorie <dj@redhat.com>
8787 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8788 the 16 bit shift limit of the m16c.
8790 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8793 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8794 * config/i386/i386.c (output_set_got): Output the label if we have one
8795 for the TARGET_DEEP_BRANCH_PREDICTION case.
8797 2006-01-19 Jan Hubicka <jh@suse.cz>
8798 H.J. Lu <hongjiu.lu@intel.com>
8799 Evandro Menezes <evandro.menezes@amd.com>
8801 * invoke.texi (generic): Document
8803 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8804 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8805 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8806 (x86_use_incdec, x86_pad_returns): New variables
8807 (TARGET_CPU_DEFAULT_generic): New constant
8808 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8809 (enum processor_type): Add generic32 and generic64.
8810 * i386.md (cpu attribute): Add generic32/generic64
8811 (movhi splitter): Behave sanely when both partial_reg_dependency and
8812 partial_reg_stall are set.
8813 (K8 splitters): Enable for generic as well.
8814 * predicates.md (incdec_operand): Use TARGET_INCDEC
8815 (aligned_operand): Avoid memory mismatch stalls.
8816 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8817 * ppro.md: Enable for generic32
8818 * i386.c (generic64_cost, generic32_cost): New.
8819 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8820 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8821 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8822 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8823 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8824 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8825 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8826 x86_accumulate_outgoing_args, x86_prologue_using_move,
8827 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8828 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8830 (x86_use_incdec, x86_pad_returns): New.
8831 (override_options): Add generic32 and generic64, translate "generic"
8832 to generic32/generic64 and "i686" to "generic32", refuse
8833 "generic32"/"generic64" as arch target.
8834 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8835 (ix86_reorg): Honor PAD_RETURNS.
8837 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8839 * tree-pretty-print.c (dump_generic_node): Handle
8840 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8841 * cgraph.c (cgraph_expand_queue): Rename from
8842 cgraph_analyze_queue. Update all users.
8843 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8844 cgraph_expand_queue.
8845 (cgraph_expand_all_functions): Likewise.
8846 (cgraph_finalize_pending_functions): Remove. Update callers.
8848 * tree.h (OMP_DIRECTIVE_P): Define.
8849 (OMP_PARALLEL_FN): Define.
8850 (OMP_PARALLEL_DATA_ARG): Define.
8851 (OMP_SECTIONS_SECTIONS): Define.
8852 * tree-pass.h (pass_expand_omp): Declare.
8853 * omp-low.c (struct omp_region): Declare.
8854 (struct omp_context): Remove fields 'parallel_type',
8855 'parallel_start_ix' and 'parallel_start_additional_args'.
8857 (struct omp_for_data): Rename from struct expand_omp_for_data.
8858 (omp_regions): New static variable.
8859 (root_omp_region): New static variable.
8860 (find_omp_clause): Make static.
8861 (is_in_combined_parallel_ctx): Remove.
8862 (is_combined_parallel): New.
8863 (extract_omp_for_data): Move earlier in the file.
8864 (workshare_safe_to_combine_p): New.
8865 (get_ws_args_for): New.
8866 (determine_parallel_type): Move earlier in the file.
8867 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8869 (omp_copy_decl): Likewise.
8870 (create_omp_child_function): Likewise.
8871 (lookup_omp_region): New.
8872 (dump_omp_region): New.
8873 (debug_omp_region): New.
8874 (debug_all_omp_regions): New.
8875 (new_omp_region): New.
8876 (scan_omp_parallel): If parallel_nesting_level > 1, the
8877 directive is nested within another parallel directive.
8878 Set OMP_PARALLEL_FN.
8879 (scan_omp_for): Do not try to handle combined parallel+for
8881 Remove FIXME comment.
8882 (scan_omp_nested): Remove.
8883 (scan_omp_1): Do not call scan_omp_nested when
8884 parallel_nesting_level is > 1.
8885 Do not change the DECL_CONTEXT of local variables found.
8886 (lookup_decl_in_outer_ctx): New.
8887 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8888 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8889 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8890 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8891 If CTX is nested, lookup VAR in the outer context when
8892 building copy assignment.
8893 (lower_send_clauses): Rename from expand_send_clauses.
8894 If CTX is nested, lookup VAR in the outer context when
8895 building copy assignments.
8896 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8897 If CTX is nested, lookup VAR in the outer context when
8898 building copy assignments.
8899 (expand_parallel_call): Rename from build_parallel_call.
8900 Handle combined parallel+workshare cases.
8901 Re-implement to emit code into the CFG.
8903 (expand_omp_parallel): Re-implement to emit code into the CFG.
8904 Call move_sese_region_to_fn to outline the sub-graph
8905 containing the parallel region.
8906 (expand_omp_for_1): Remove.
8907 (expand_omp_for_generic): Re-implement to emit code into the
8909 (expand_omp_for_static_nochunk): Likewise.
8910 (expand_omp_for_static_chunk): Likewise.
8911 (expand_omp_for): Likewise.
8912 (expand_omp_sections): Likewise.
8913 (remove_exit_barriers): New.
8914 (expand_omp_synch): New.
8916 (build_omp_regions_1): New.
8917 (build_omp_regions): New.
8918 (execute_expand_omp): New.
8919 (gate_expand_omp): New.
8920 (pass_expand_omp): Define.
8921 (lower_omp_sections): Rename from expand_omp_sections.
8922 Set OMP_SECTIONS_SECTIONS.
8923 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8924 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8925 (lower_omp_single): Rename from expand_omp_simple.
8926 (lower_omp_master): Rename from expand_omp_master.
8927 (lower_omp_ordered): Rename from expand_omp_ordered.
8928 (lower_omp_critical): Rename from expand_omp_critical.
8929 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8930 (lower_omp_for): Re-implement.
8931 (lower_omp_parallel): Re-implement.
8932 (lower_regimplify): Rename from expand_regimplify.
8933 (lower_omp_1): Rename from expand_omp_1.
8934 If there are syntax errors in the program, replace every
8935 OpenMP directive with NOP.
8936 Call lower_omp_* instead of expand_omp_*.
8937 (lower_omp): Rename from expand_omp.
8939 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8940 * tree-gimple.h (enum omp_parallel_type): Remove.
8941 (gimple_boolify): Declare extern.
8942 (find_omp_clause, determine_parallel_type): Remove.
8944 * gimple-low.c (lower_omp_directive): New.
8945 (lower_stmt): Call it.
8946 (record_vars_into): Move from ...
8947 (record_vars): ... here.
8948 Call record_vars_into with current_function_decl.
8950 * gimplify.c (struct gimplify_ctx): Remove fields
8951 combined_pre_p and combined_ctxp. Update users.
8952 (get_formal_tmp_var): Add documentation.
8953 (gimple_boolify): Make extern.
8954 (gimplify_expr_in_ctx): Remove. Update callers.
8955 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8956 will always be a BIND_EXPR.
8957 (gimplify_expr): Handle OMP_RETURN_EXPR.
8958 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8959 (OMP_PARALLEL): Add 3 operands.
8960 (OMP_SECTIONS): Add 1 operand.
8961 (OMP_RETURN_EXPR): Define.
8963 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8964 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8965 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8966 creating a circular free list.
8967 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8969 * tree-flow.h (move_sese_region_to_fn): Declare.
8970 (record_vars_into): Declare.
8971 * tree-cfg.c (make_omp_sections_edges): New.
8972 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8973 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8974 OMP_SECTIONS and OMP_SECTION.
8975 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8976 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8977 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8978 (gather_blocks_in_sese_region): New.
8979 (struct move_stmt_d): Declare.
8981 (move_block_to_fn): New.
8982 (move_sese_region_to_fn): New.
8984 * passes.c (init_optimization_passes): Schedule
8985 pass_expand_omp after pass_init_datastructures.
8987 * tree-ssa-operands.c (get_expr_operands): Handle
8988 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8989 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8991 2006-01-19 Jeff Law <law@redhat.com>
8993 * tree-vrp.c (extract_range_from_assert): Refine the result range
8994 if the variable referenced by the ASSERT_EXPR has a range and
8995 either the tentative result range or the previous range is a
8998 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9000 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9002 2006-01-19 Jan Hubicka <jh@suse.cz>
9004 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9006 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9008 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9009 (expand_compound_operation, expand_field_assignment): Fail if the
9010 bit lengths of an extract operation are out of range.
9011 (make_extraction): Compute wanted_inner_mode based on the position
9012 and length of the extraction. Make it extraction_mode for non-constant
9013 positions, and do not modify offset in that case. When generating a
9014 new MEM, use a mode that can hold the extraction while keeping correct
9015 alignment. Remove code that supported MEMs wrapped by USEs.
9016 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9018 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9020 * config/s390/s390.md ("Y", "y"): New mode attribute.
9021 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9022 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9023 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9024 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9025 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9026 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9027 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9028 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9029 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9030 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
9031 "addsi3", "subsi3"): Insn patterns removed.
9032 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
9033 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
9034 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
9035 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
9036 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
9037 "*sub<mode>3_cconly2"): New insn patterns.
9038 ("addsi3", "subsi3"): New expanders.
9040 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9042 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9043 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9044 existing STMT_VINFO_VECTYPE if available.
9045 (vect_mark_relevant): Add special handling for stmts that are
9046 marked as STMT_VINFO_IN_PATTERN_P.
9047 (vect_analyze_loop): Call vect_pattern_recog.
9048 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
9049 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
9051 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
9052 (vect_recog_func_ptr): New function-pointer type.
9053 * tree-vect-patterns.c: New file.
9054 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
9055 (vect_recog_dot_prod_pattern, vect_pattern_recog):
9056 (vect_pattern_recog_1): New functions.
9057 (vect_pattern_recog_funcs): New array of function pointers.
9059 * tree-vectorizer.h (ternary_op): New enum value.
9060 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9061 declaration. Revised documentation. Removed redundant dump prints.
9062 Removed redundant argument. Added support for reduction patterns.
9063 (vectorizable_reduction): Added support for reduction patterns.
9064 (vect_transform_stmt): Added support for patterns.
9066 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9067 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9068 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9069 (expand_widen_pattern_expr): New function.
9070 (init_optabs): Initialize new optabs udot_prod_optab,
9072 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9073 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9074 (expand_widen_pattern_expr): New function declaration.
9075 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9077 * tree-inline.c (estimate_num_insns_1): Added cases for new
9078 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9079 * tree-pretty-print.c (dump_generic_node): Likewise.
9080 (op_prio): Likewise.
9081 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9082 * tree-ssa-operands.c (get_expr_operands): Added case for
9084 * tree-vect-patterns.c (widened_name_p): New function.
9085 (vect_recog_dot_prod_pattern): Added function implementation.
9086 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9087 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9088 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9089 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9091 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9092 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9093 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9094 (init_optabs): Initialize new optabs widen_ssum_optab,
9096 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9097 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9098 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9099 use instead of type of def.
9100 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9101 function implementation.
9102 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9103 widen_ssumv8hi): New.
9105 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
9108 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9111 * c-decl.c (add_flexible_array_elts_to_size): New function.
9112 (finish_decl): Use it.
9114 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9116 * diagnostic.h: Include options.h.
9117 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9118 dependancies for diagnostic.h.
9119 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9121 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9123 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9124 (ssa_ro_call_cache_valid): Ditto.
9125 * tree-ssa-alias.c (sort_tags_by_id): New function.
9126 (init_transitive_clobber_worklist): Ditto.
9127 (add_to_worklist): Ditto.
9128 (mark_aliases_call_clobbered): Ditto.
9129 (compute_tag_properties): Ditto.
9130 (set_initial_properties): Ditto.
9131 (compute_call_clobbered): Ditto.
9132 (compute_may_aliases): Call compute_call_clobbered and grouping.
9133 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9134 (compute_flow_insensitive_aliasing): Grouping now happens in our
9136 (setup_pointers_and_addressables): Remove clobbering related code.
9137 (add_may_alias): Ditto.
9138 (replace_may_alias): Ditto.
9139 (get_nmt_for): Ditto.
9140 (create_global_var):
9141 (is_escape_site): Return an escape_type enumeration.
9142 * tree-flow-inline.h (is_call_clobbered): Global var does not
9143 imply call clobbered.
9144 (mark_call_clobbered): Take a reason for marking this. Remove
9145 marking of globalness, and cache invalidation.
9146 (clear_call_clobbered): Remove cache invalidation code.
9147 * tree-dfa.c (dump_variable): If details is on, dump the reason
9149 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9151 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9152 (struct var_ann_d): Ditto.
9153 (enum escape_type): New.
9154 (mark_call_clobbered): Adjust prototype.
9155 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9156 are never call clobbered.
9157 Record reasons for escaping.
9158 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9159 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9160 (ssa_ro_call_cache_valid): Ditto.
9161 (clobbered_v_may_defs): Ditto.
9162 (clobbered_vuses): Ditto.
9163 (ro_call_vuses): Ditto.
9164 (clobber_stats): New.
9165 (init_ssa_operands): Zero out clobber stats.
9166 (fini_ssa_operands): Print out clobber stats.
9167 (get_call_expr_operands): Pass callee fndecl to
9169 (add_call_clobber_ops): Remove use of cache.
9170 Add use of PURE_CONST information.
9171 (add_call_read_ops): Remove use of cache.
9172 Add use of static not_read information.
9174 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9176 Introduce TLS descriptors for i386 and x86_64.
9177 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9178 (TARGET_ANY_GNU_TLS): New macro.
9179 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9180 (struct machine_function): Add tls_descriptor_call_expanded_p.
9181 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9182 (ix86_current_function_calls_tls_descriptor): Likewise.
9183 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9184 (override_options): Introduce gnu2 tls dialect.
9185 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9187 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9189 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9190 (ix86_init_machine_status): Initialize new field.
9191 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9192 (ix86_tls_module_base): New.
9193 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9194 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9195 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9196 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9197 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9198 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9199 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9200 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9201 * config/i386/predicates.md (tls_modbase_operand): New.
9202 (tp_or_register_operand): New.
9204 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
9206 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9207 (look_for_address_of): Ditto.
9208 (ipa_init): Walk the function decls.
9209 (static_execute): Don't set readonly on FUNCTION_DECL's.
9211 2006-01-18 Roger Sayle <roger@eyesopen.com>
9213 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
9214 for shifts where the source and destination registers are different.
9216 2006-01-18 Paul Brook <paul@codesourcery.com>
9218 Merge from csl-arm-branch.
9219 2005-03-14 Julian Brown <julian@codesourcery.com>
9220 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
9221 (aeabi_llsl): Likewise.
9222 (ashrdi3): Likewise.
9223 (aeabi_lasr): Likewise.
9224 (lshrdi3): Likewise.
9225 (aeabi_llsr): Likewise.
9226 2005-03-10 Julian Brown <julian@codesourcery.com>
9227 * config.gcc: Disable shared libgcc for SymbianOS.
9228 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
9230 2006-01-18 DJ Delorie <dj@redhat.com>
9232 * c-pragma.c (handle_pragma_diagnostic): New.
9233 (init_pragma): Register it.
9234 * doc/extend.texi: Document it.
9236 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
9237 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
9238 (diagnostic_context): Add classify_diagnostic[].
9239 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
9240 as errors if they're overridden to DK_WARNING.
9241 (diagnostic_initialize): Initialize classify_diagnostic[].
9242 (diagnostic_set_kind_override): New.
9243 (diagnostic_report_diagnostic): Check for kind changes.
9244 * opts.c (common_handle_option): Take lang_mask. Update callers.
9246 * common.opt (Werror=): New.
9247 * doc/invoke.texi: Document -Werror=*
9249 2006-01-18 Jeff Law <law@redhat.com>
9251 * tree-vrp.c (test_for_singularity): Correct test for new
9252 min limit. Use operand_equal_p rather than pointer equality
9253 for testing if new min/max values are equal.
9255 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9256 using range information until after propagation and folding.
9258 2006-01-18 Richard Henderson <rth@redhat.com>
9259 Aldy Hernandez <aldyh@redhat.com>
9260 Jakub Jelinek <jakub@redhat.com>
9261 Diego Novillo <dnovillo@redhat.com>
9263 * omp-low.c: New file.
9264 * c-omp.c: New file.
9266 2006-01-18 Richard Henderson <rth@redhat.com>
9267 Jakub Jelinek <jakub@redhat.com>
9268 Diego Novillo <dnovillo@redhat.com>
9270 * doc/invoke.texi: Document -fopenmp.
9271 * tree-dump.h (debug_function): Declare.
9272 * hooks.c (hook_bool_tree_bool_false): New function.
9273 (hook_tree_tree_null): Remove.
9274 (hook_tree_tree_tree_null): New.
9275 * hooks.h: Update to match.
9276 * tree-pretty-print.c (debug_tree_chain): New.
9277 (print_generic_expr): Handle TDF_CHAIN.
9278 (dump_generic_node): Handle BLOCK.
9279 Do not abort with incomplete SWITCH_EXPRs.
9280 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9281 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9282 print space after directive name.
9283 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9284 Handle OMP_MASTER and OMP_ORDERED.
9285 Handle printing of OMP_BODY just in one place, goto
9286 dump_omp_body in the rest of OMP_* nodes that have
9288 Don't handle clause nodes here. Update omp statements to
9289 use dump_omp_clauses.
9290 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9291 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9292 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9293 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9294 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9295 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9296 Adjust output for GOMP_PARALLEL.
9297 (dump_omp_clauses): New.
9298 (print_declaration): Dump DECL_VALUE_EXPR.
9299 (op_symbol_1): Split out of op_symbol.
9300 (dumping_stmts): Remove. Update all users.
9301 * cgraph.c (cgraph_analyze_queue): New.
9302 (cgraph_add_new_function): New.
9303 * cgraph.h (cgraph_analyze_queue): Declare.
9304 (cgraph_add_new_function): Declare.
9305 (cgraph_lower_function): Remove.
9306 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9307 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9308 and TYPE_P nodes in its default clause.
9309 (empty_body_p): New.
9310 (tree_range_check_failed): New.
9312 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9313 OMP_CLAUSE_REDUCTION_MERGE,
9314 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9315 OMP_CLAUSE_PRIVATE_DEBUG,
9316 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9317 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9318 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9319 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9320 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9321 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9322 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9323 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9324 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9325 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9326 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9327 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9328 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9329 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9330 (TREE_RANGE_CHECK): New.
9331 (empty_body_p): Declare.
9332 (enum omp_clause_default_kind): New.
9333 (build_string_literal): Declare.
9334 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9335 (build5_stat, build5): Declare.
9336 * tree-pass.h (TDF_CHAIN): Define.
9337 * tree-pass.h (PROP_gimple_lomp): Define.
9338 (pass_lower_omp): Declare.
9339 * diagnostic.h (debug_tree_chain): Declare.
9340 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9342 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9343 * builtins.c (build_string_literal): Make extern.
9344 * gcc.c (include_spec_function): New.
9345 (static_spec_functions): Add it.
9346 (main): Move load of libgomp.spec ...
9347 (LINK_COMMAND_SPEC): ... here.
9348 (link_gomp_spec): New.
9349 (static_specs): Include it.
9350 (LINK_COMMAND_SPEC): Add link_gomp.
9351 (GOMP_SELF_SPECS): New.
9352 (driver_self_specs): Include it.
9353 (switch_matches): Don't mark inline.
9354 (main): Load libgomp.spec.
9355 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9356 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9357 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9358 * tree-gimple.h (enum omp_parallel): Declare.
9359 (determine_parallel_type): Declare.
9360 (omp_firstprivatize_variable): Declare.
9361 (omp_reduction_init): Declare.
9362 (diagnose_omp_structured_block_errors): Declare.
9363 (struct walk_stmt_info): Add want_return_expr.
9364 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9365 (find_omp_clause): Declare.
9366 (insert_field_into_struct): Declare.
9367 (struct walk_stmt_info): Move from tree-nested.c
9368 (walk_stmts): Declare.
9369 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9371 * cgraphunit.c (cgraph_lower_function): Make static.
9372 (cgraph_finalize_pending_functions): New.
9373 (cgraph_finalize_function): Call it.
9374 (cgraph_finalize_compilation_unit): Likewise.
9375 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9376 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9377 (BT_FN_UINT_UINT): New.
9378 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9379 DEF_FUNCTION_TYPE_VAR_4): Document.
9380 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9381 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9382 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9383 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9384 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9385 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9386 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9387 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9388 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9389 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9390 into separate files.
9391 (DEF_GOMP_BUILTIN): New.
9392 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9393 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9394 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9395 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9396 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9397 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9398 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9399 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9400 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9401 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9402 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9403 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9404 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9405 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9406 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9407 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9408 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9409 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9410 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9411 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9412 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9413 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9414 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9415 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9416 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9417 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9418 * sync-builtins.def: New file, moved from builtins.def.
9419 * omp-builtins.def: New file, moved from builtins.def.
9420 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9421 * gimple-low.c (lower_function_body): Clear data.
9422 (lower_stmt): Do not handle COMPOUND_EXPR.
9423 Remove call to print_node_brief.
9424 * c-tree.h (c_finish_omp_clauses): New prototype.
9425 (C_DECL_THREADPRIVATE_P): Define.
9426 (lookup_name_no_remap, c_omp_remap_private): Remove
9427 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9428 (check_for_loop_decls): Update decl.
9429 (lookup_name_no_remap, c_omp_remap_private): Declare.
9430 (build_indirect_ref, build_modify_expr, pushdecl,
9431 pushdecl_top_level): Move to c-common.h.
9432 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9433 before the switch, but just in the 2 places that need it.
9434 * c-decl.c (diagnose_mismatched_decls): Do not check for
9435 mismatched thread-local attributes when OLDDECL is marked
9436 threadprivate and NEWDECL has no thread-local attributes.
9437 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9438 (c_gimple_diagnostics_recursively): Rename from
9439 c_warn_unused_result_recursively. Invoke
9440 diagnose_omp_structured_block_errors.
9441 (check_for_loop_decls): Return a singular decl found.
9442 * langhooks.c (lhd_omp_predetermined_sharing): Return
9443 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9444 (lhd_omp_firstprivatize_type_sizes): New.
9445 (lhd_omp_assignment): New.
9446 (lhd_omp_predetermined_sharing): New.
9447 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9448 (struct lang_hooks_for_types): Add
9449 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9450 omp_predetermined_sharing, omp_disregard_value_expr,
9451 omp_private_debug_clause, omp_clause_default_ctor,
9452 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9453 (c_finish_omp_clauses): New.
9454 (c_finish_bc_stmt): Diagnose break within omp for.
9455 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9456 (build_unary_op): Return error_mark after reporting
9458 (build_modify_expr): Likewise.
9459 * gimplify.c: Include optabs.h and pointer-set.h.
9460 (enum gimplify_omp_var_data): Declare.
9461 (struct gimplify_omp_ctx): Declare.
9462 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9464 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9465 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9466 (splay_tree_compare_decl_uid): New.
9467 (new_omp_context): New.
9468 (delete_omp_context): New.
9469 (gimple_add_tmp_var): Call omp_add_variable.
9470 (gimplify_bind_expr): Likewise.
9471 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9472 true, disregard DECL_VALUE_EXPR on the decl if any.
9473 (gimplify_expr_in_ctx): New.
9474 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9475 omp_add_variable, omp_notice_variable, omp_is_private
9476 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9477 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9478 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9479 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9480 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9481 gimplify_omp_atomic): New.
9482 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9483 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9484 OMP_CRITICAL and OMP_ATOMIC.
9485 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9486 * c-pragma.h (enum pragma_kind): Add
9487 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9488 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9489 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9490 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9491 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9492 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9493 PRAGMA_OMP_THREADPRIVATE.
9494 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9495 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9496 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9497 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9498 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9499 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9500 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9501 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9502 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9503 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9504 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9505 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9506 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9508 (struct nesting_info): Add field_map,
9509 suppress_expansion, debug_var_chain.
9510 (create_nesting_tree): Initialize them.
9511 (lookup_field_for_decl): Use field_map.
9512 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9513 (convert_local_omp_clauses): New.
9514 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9515 (walk_body): Split out of walk_function.
9516 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9517 (convert_nonlocal_reference): Handle omp statements.
9518 (convert_local_reference): Likewise.
9519 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9520 (unnest_nesting_tree): New.
9521 (lower_nested_functions): Call it.
9522 (insert_field_into_struct): Make extern.
9523 (struct walk_stmt_info): Move to tree-gimple.h.
9524 (walk_stmts): Make extern.
9525 * omp-builtins.def: New file.
9526 * tree-iterator.c (expr_only): Clarify comment.
9527 * c-common.h (pushdecl_top_level, pushdecl,
9528 build_modify_expr, build_indirect_ref,
9529 c_finish_omp_master, c_finish_omp_critical,
9530 c_finish_omp_ordered, c_finish_omp_barrier,
9531 c_finish_omp_atomic, c_finish_omp_flush,
9532 c_finish_omp_for, c_split_parallel_clauses,
9533 omp_clause_default_kind, c_omp_sharing_predetermined,
9534 c_omp_remap_decl): Declare.
9535 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9536 (OBJS-common): Add omp-low.o.
9537 (c-omp.o, omp-low.o): Add.
9538 (gimplify.o): Add dependency on $(OPTABS_H).
9539 (GTFILES): Add omp-low.c.
9540 (gt-stringpool.h): Add.
9541 * tree-cfg.c (set_bb_for_stmt): Do not update the
9542 block-to-labels map if we are currently expanding to RTL.
9543 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9545 Handle IDENTIFIER_NODE.
9546 (tree_verify_flow_info): Do not ICE when emitting error
9547 messages about invalid labels.
9548 (dump_function_to_file): Reset CFUN before emitting the body
9550 (debug_function): New.
9551 * passes.c (init_optimization_passes): Schedule
9553 * langhooks-def.h (lhd_omp_predetermined_sharing,
9554 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9556 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9557 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9558 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9559 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9560 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9561 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9562 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9563 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9564 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9565 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9566 (LANG_HOOK_DECLS): Use them.
9568 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9569 Richard Henderson <rth@redhat.com>
9570 Jakub Jelinek <jakub@redhat.com>
9571 Diego Novillo <dnovillo@redhat.com>
9573 * c-parser.c (pragma_omp_clause): Define.
9574 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9575 (c_parser_compound_statement): Likewise.
9576 (c_parser_statement): Likewise.
9577 (c_parser_pragma): Handle omp pragmas.
9578 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9579 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9580 (c_parser_omp_clause_name, check_no_duplicate_clause,
9581 c_parser_omp_variable_list,
9582 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9583 c_parser_omp_clause_copyprivate,
9584 c_parser_omp_clause_default,
9585 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9586 c_parser_omp_clause_lastprivate,
9587 c_parser_omp_clause_nowait,
9588 c_parser_omp_clause_num_threads,
9589 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9590 c_parser_omp_clause_reduction,
9591 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9592 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9593 c_parser_omp_atomic, c_parser_omp_barrier,
9594 c_parser_omp_critical, c_parser_omp_flush,
9595 c_parser_omp_for_loop, c_parser_omp_for,
9596 c_parser_omp_master, c_parser_omp_ordered,
9597 c_parser_omp_sections_scope, c_parser_omp_sections,
9598 c_parser_omp_parallel, c_parser_omp_single,
9599 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9600 * c-pragma.c (init_pragma): Do omp pragma registration here.
9601 * c.opt (fopenmp): New flag.
9603 2006-01-18 Eric Christopher <echristo@apple.com>
9605 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9606 * config/darwin.h (GOMP_SELF_SPECS): Define.
9608 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9610 * rtl.h: Remove the prototype for reg_alloc.
9612 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9615 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9616 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9617 sjlj and dwarf2 exception handling.
9618 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9619 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9620 * pa/pa.c (function_value): Treat complex and vector types as
9622 (function_arg): Likewise. Only pass scalar floats in the floating
9623 point argument registers.
9624 * pa/t-slibgcc-dwarf-ver: New file.
9625 * pa/t-slibgcc-sjlj-ver: New file.
9626 * pa/t-slibgcc-elf-ver: Delete file.
9628 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9630 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9631 unlikely_test_section_p test.
9633 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9635 * mode-switching.c (optimize_mode_switching): Make it static.
9636 * basic-block.h: Remove the prototype for
9637 optimize_mode_switching.
9639 * modulo-sched.c (sms_schedule): Make it static.
9640 * rtl.h: Remove the prototype for sms_schedule.
9642 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9643 * rtl.h: Remove the prototype for gcse_after_reload_main.
9645 * reg-stack.c (reg_to_stack): Make it static.
9646 * rtl.h: Remove the prototype for reg_to_stack.
9648 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9650 * rtl.h: Remove the prototypes for regrename_optimize and
9651 copyprop_hardreg_forward.
9653 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9655 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9656 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9657 Test against the appropriate null constant for the mode.
9658 If 'fixup_overlap' is true, swap the operands if they overlap.
9659 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9660 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9661 alpha_split_tmode_pair and adjust for above change.
9662 * config/alpha/alpha.md (movtf_internal): Adjust call to
9663 alpha_split_tfmode_pair and rely on it to swap the operands.
9664 (movti_internal): New insn and post-reload splitter.
9665 (movti): New expander.
9667 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9669 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9672 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9674 * rtlanal.c (global_reg_mentioned_p_1,
9675 global_reg_mentioned_p): Remove.
9676 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9678 * flow.c (initialize_uninitialized_subregs): Make it static.
9679 * rtl.h: Remove the prototype for
9680 initialize_uninitialized_subregs.
9682 * function.c (instantiate_virtual_regs): Make it static.
9683 * function.h: Remove the prototype for
9684 instantiate_virtual_regs.
9686 * regmove.c (regmove_optimize, combine_stack_adjustments):
9688 * rtl.h: Remove the prototypes for regmove_optimize and
9689 combine_stack_adjustments.
9691 2006-01-17 Roger Sayle <roger@eyesopen.com>
9693 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9694 (size_cost): Encode costs in bytes so that a reg-reg addition is
9695 equivalent to COSTS_N_INSNS(1).
9696 (override_options): Use the size_cost.branch_cost as the default
9697 ix86_branch_cost when optimizing for size.
9699 2006-01-18 Ben Elliston <bje@au.ibm.com>
9701 * Makefile.in (D32PBIT_FUNCS): New.
9702 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9703 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9704 D64PBIT_FUNCS and D128PBIT_FUNCS.
9705 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9706 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9708 (decnumber_dep): Define.
9709 * doc/libgcc.texi (Decimal float library routines): New node.
9710 * config/dfp-bit.h, config/dfp-bit.c: New files.
9712 2006-01-18 Ben Elliston <bje@au.ibm.com>
9714 * expr.c (emit_move_change_mode): Always adjust addresses, not
9715 just during reload. Copy replacements only during reload.
9716 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9717 emit_move_via_integer.
9719 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9721 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9722 instead of $(srcdir) and ${srcdir}.
9724 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9728 * arm.h (struct machine_function): Add pic_reg.
9729 * arm.c (arm_pic_register): Make unsigned.
9730 (arm_override_options): Only set arm_pic_register if
9731 TARGET_SINGLE_PIC_BASE.
9732 (use_return_insn): Only test for a pic register if it is fixed.
9733 (arm_compute_save_reg0_reg12_mask): Likewise.
9734 (thumb_compute_save_reg_mask): Likewise.
9735 (legitimate_pic_operand): Factor out some known invariants.
9736 (legitimize_pic_address): If we don't have a fixed pic register,
9737 then set up a pseudo in the function entry sequence. Handle the
9738 pic base being in a pseudo.
9739 (arm_load_pic_register): Handle the pic register being in a pseudo.
9740 (arm_expand_prologue): Only set up the pic register if it is fixed.
9741 (thumb_expand_prologue): Likewise.
9742 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9743 (pic_load_addr_based_insn): Likewise.
9744 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9747 2006-01-18 Ben Elliston <bje@au.ibm.com>
9749 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9750 decimal float modes for all floating point registers.
9752 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9753 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9755 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9758 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9759 even when the pointer is not NULL.
9761 2006-01-16 Ian Lance Taylor <ian@airs.com>
9763 * common.opt (ftoplevel-reorder): New option.
9764 * cgraph.c (cgraph_asm_nodes): New global variable.
9765 (cgraph_asm_last_node): New static variable.
9766 (cgraph_order): New global variable.
9767 (cgraph_create_node): Set new order field.
9768 (cgraph_varpool_node): Likewise.
9769 (decide_is_variable_needed): Return true if not
9770 flag_toplevel_reorder.
9771 (cgraph_add_asm_node): New function.
9772 * cgraph.h (struct cgraph_node): Add order field.
9773 (struct cgraph_varpool_node): Add order field.
9774 (struct cgraph_asm_node): Define.
9775 (cgraph_asm_nodes, cgraph_order): Declare.
9776 (cgraph_add_asm_node): Declare.
9777 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9779 (cgraph_varpool_assemble_pending_decls): Call it.
9780 (cgraph_output_pending_asms): New static function.
9781 (cgraph_finalize_compilation_unit): Call it.
9782 (struct cgraph_order_sort): Define.
9783 (cgraph_output_in_order): New static function.
9784 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9785 !flag_toplevel_reorder case.
9786 * c-parser.c: Include "cgraph.h".
9787 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9789 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9790 than -fno-unit-at-a-time.
9791 * doc/invoke.texi (Option Summary): Mention
9792 -fno-toplevel-reorder.
9793 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9794 -funit-at-a-time documentation.
9796 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9797 Kazu Hirata <kazu@codesourcery.com>
9799 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9801 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9803 * Makefile.in (FUNCTION_H): New. Use it instead of
9804 function.h throughout the file.
9805 * function.h: Include tree.h.
9807 2006-01-17 Ben Elliston <bje@au.ibm.com>
9809 * recog.c: Separate some functions with whitespace.
9811 2006-01-16 Richard Henderson <rth@redhat.com>
9813 Merge from gomp branch:
9814 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9815 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9816 and rename from struct inline_data. Rename callee* to dst*;
9817 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9818 transform_new_cfg, transform_return_to_modify, and
9819 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9821 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9822 (copy_decl_for_dup): Remove.
9823 * tree-inline.c (struct inline_data): Move to header.
9824 (insert_decl_map): Export.
9825 (remap_decl): Update for member name changes. Use copy_decl hook.
9826 Allow for replacement to be a non-decl. Remove dead code.
9827 (remap_type_1): Check for existing mapping.
9828 (remap_type): Export.
9829 (remap_decls): Update for member name changes.
9830 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9831 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9832 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9833 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9834 (tree_function_versioning, build_duplicate_type): Likewise.
9835 (copy_body_r): Likewise. Export.
9836 (copy_decl_for_dup): Split into ...
9837 (copy_decl_for_dup_finish, copy_decl_to_var,
9838 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9839 (replace_ref_tree, inlining_p): Remove.
9841 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9843 * ifcvt.c (if_convert): Make it static.
9844 * rtl.h: Remove the prototype for if_convert.
9846 * local-alloc.c (local_alloc): Make it static.
9847 * rtl.h: Remove the prototype for local_alloc.
9849 * loop.c (loop_optimize): Make it static.
9850 * cfgloop.h: Remove the prototype for loop_optimize.
9853 2006-01-16 DJ Delorie <dj@redhat.com>
9855 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9858 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9860 * pa.md: Disparage copies between general and floating-point registers
9861 in 32-bit move patterns.
9863 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9866 * Makefile.in (check-%): Depend on site.exp instead of
9867 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9870 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9872 * global.c (global_alloc): Make it static.
9873 * rtl.h: Remove the prototype for global_alloc.
9875 2006-01-16 Richard Guenther <rguenther@suse.de>
9877 * tree-ssa-alias.c (struct used_part): Add write_only field.
9878 (get_or_create_used_part_for): Initialize it to true.
9879 (create_overlap_variables_for): Don't create structure variables
9880 for structures that only are written to.
9881 (find_used_portions): Handle MODIFY_EXPR to track whether a
9882 structure is only written to.
9884 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9886 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9888 * basic-block.h: Remove the prototype for
9889 partition_hot_cold_basic_blocks.
9891 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9893 * cppspec.c (lang_specific_spec_functions): Remove.
9894 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9895 * gcc.h (lang_specific_spec_functions): Remove.
9896 * gccspec.c (lang_specific_spec_functions): Remove.
9898 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9900 * combine.c (record_value_for_reg): Invalidate registers
9902 (record_dead_and_set_regs_1): Likewise, by passing them to
9903 record_value_for_reg.
9904 (record_dead_and_set_regs): Invalidate stores made by a
9905 call. We do not combine across a call, but we still
9906 relied on equivalences.
9908 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9910 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9911 vrp_int_const_binop returning non-constant nodes.
9913 2006-01-16 Paul Brook <paul@codesourcery.com>
9915 * config/m68k/m68k.c (output_move_const_into_data_reg):
9916 Output correct mnemonic for mvz and mvs.
9918 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9920 * rtl-factoring.c: Add sequence abstraction algorithm.
9921 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9922 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9924 (block_has_preserve_label): New function.
9925 * common.opt: Register new pass.
9926 * Makefile.in: Ditto.
9928 * timevar.def: Ditto.
9929 * tree-pass.h: Ditto.
9930 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9931 * rtl.h (make_jump_insn_raw): Add forward decl.
9932 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9934 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9935 Roger Sayle <roger@eyesopen.com>
9937 * fold-const.c (fold_minmax): New static function.
9938 (fold_binary) <MIN_EXPR>: Call it.
9939 <MAX_EXPR>: Likewise.
9940 * stor-layout.c (place_field): Use DECL_SIZE consistently
9941 in the computation of the new record size.
9943 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9945 * cse.c (cse_condition_code_reg): Make it static.
9946 * rtl.h: Remove the prototype for cse_condition_code_reg.
9948 * combine.c (combine_instructions): Make it static.
9949 * rtl.h: Remove the prototype for combine_instructions.
9951 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9954 * tree.c (get_file_function_name_long): Concatenate the first global
9955 object name with a string derived from the input filename of the object
9958 2006-01-16 Ben Elliston <bje@au.ibm.com>
9960 * config/i386/winnt-stubs.c: Update FSF address.
9961 * config/xtensa/ieee754-df.S: Ditto.
9962 * config/xtensa/ieee754-sf.S: Ditto.
9964 2006-01-14 Ian Lance Taylor <ian@airs.com>
9966 * ifcvt.c (noce_init_if_info): New static function, broken out of
9967 noce_process_if_block.
9968 (noce_process_if_block): Call noce_init_if_info.
9969 (check_cond_move_block): New static function.
9970 (cond_move_process_if_block): New static function.
9971 (process_if_block): Call cond_move_process_if_block.
9973 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9975 * cselib.c (hash_table): Rename to cselib_hash_table.
9976 (cselib_clear_table, discard_useless_values,
9977 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9978 cselib_init, cselib_finish): Adjust uses of hash_table.
9980 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9982 PR tree-optimization/25485
9983 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9984 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9985 is known to be false and true, respectively.
9987 2006-01-14 Richard Guenther <rguenther@suse.de>
9989 PR tree-optimization/22548
9990 PR tree-optimization/22555
9991 PR tree-optimization/22501
9992 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9993 * params.def (salias-max-array-elements): New parameter.
9994 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9995 * doc/invoke.texi (salias-max-array-elements): Document.
9996 * tree-flow-inline.h (var_can_have_subvars): We also handle
9998 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10000 * tree-ssa-structalias.c (params.h): Include.
10001 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10002 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10003 (get_constraint_for): For ADDR_EXPR operating on something
10004 containing an ARRAY_REF, add all subvars to the solution.
10005 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10006 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10007 for creating MUST_DEFs.
10008 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10010 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10012 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10014 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10015 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10016 number_of_iterations_le): New functions.
10017 (number_of_iterations_special): Removed.
10018 (number_of_iterations_exit): Do not use number_of_iterations_special.
10019 * tree.c (unsigned_type_for): Always return integer type.
10021 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10022 Richard Guenther <rguenther@suse.de>
10024 PR rtl-optimization/24257
10025 * gcse.c (find_moveable_store): Only consider a store movable
10026 when the SET_SRC of the insn can be assigned to a register.
10028 2006-01-14 Ian Lance Taylor <ian@airs.com>
10030 * tree.c (tree_not_class_check_failed): New function.
10031 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
10032 (tree_not_class_check_failed): Declare.
10034 2006-01-13 Ian Lance Taylor <ian@airs.com>
10036 * reload1.c (do_output_reload): Add assertion rejecting a
10039 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10041 * combine.c (struct reg_stat): Add new fields truncation_label and
10043 (record_value_for_reg): Reset truncated_to_mode.
10044 (record_truncated_value): New function.
10045 (check_promoted_subreg): Call it. Rename to check_conversions.
10046 (combine_instructions): Rename check_promoted_subreg to
10048 (reg_truncated_to_mode): New function.
10049 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
10050 (gen_lowpart_or_truncate): New function.
10051 (force_to_mode): Use it instead of gen_lowpart.
10053 2006-01-13 Diego Novillo <dnovillo@redhat.com>
10055 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
10056 VAR is a tag, not its type tag.
10058 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10060 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10061 alternatives to match style of other entries.
10062 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10064 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10066 PR tree-optimization/25771
10067 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10070 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10073 * tree-inline.c (declare_return_variable): If the return variable
10074 was marked as a non gimple complex, set the return slot variable
10075 to be a non gimple comple variable.
10077 2006-01-13 Richard Guenther <rguenther@suse.de>
10079 * builtins.c (expand_builtin_sincos): New function.
10080 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10082 (expand_builtin): Expand sincos using expand_builtin_sincos.
10084 2006-01-12 DJ Delorie <dj@redhat.com>
10086 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10087 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10088 so that constant shifts can be split.
10089 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10090 (m32c_valid_pointer_mode): Make static.
10091 (shift_gen_func_for): New.
10092 (m32c_prepare_shift): Use it. Split large const shifts into
10094 * config/m32c/predicates.md (shiftcount_operand): Allow more
10096 (longshiftcount_operand): New.
10097 * doc/md.texi (Machine Constraints): Document In6.
10099 2006-01-13 Ben Elliston <bje@au.ibm.com>
10101 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10102 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
10105 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
10107 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
10108 to try to avoid clobbering pieces of structures when we know
10109 something about the whole structure.
10110 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
10112 2006-01-13 Ben Elliston <bje@au.ibm.com>
10114 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
10115 return in memory, as this is no limitation is no longer present.
10117 2006-01-12 DJ Delorie <dj@redhat.com>
10119 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10120 mova with fb, and for fb+0 -> An.
10122 * config/m32c/mov.md (peephole2): Fix enabling logic.
10124 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10125 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10126 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10127 FINI_ARRAY_SECTION_ASM_OP): Define.
10129 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10131 (m32c_legitimize_reload_address): New logic to reload FB to An.
10132 (m32c_output_reg_push): Add newline.
10133 (m32c_output_reg_pop): Likewise.
10135 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10137 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10139 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10141 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10143 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10145 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10148 2006-01-11 Ben Elliston <bje@au.ibm.com>
10150 * rtlanal.c (find_reg_note): Assert insn is not null.
10152 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10154 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10157 2006-01-11 Jeff Law <law@redhat.com>
10159 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10161 (mark_threaded_blocks, register_jump_thread): New functions.
10162 (thread_through_all_blocks): Remove unwanted argument. No
10163 longer rely on e->aux to communicate thread target info.
10164 Call mark_threaded_blocks. Release the threaded_blocks
10165 bitmap and threaded_edges vector when complete.
10166 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10167 (threaded_blocks): Remove.
10168 (tree_ssa_dominator_optimize): Remove initialization and
10169 finalization of threaded_blocks. Simplify call to
10170 thread_through_all_blocks.
10171 (thread_across_edge): Call register_jump_thread rather than
10172 storing thread information into e->aux.
10173 (free_all_edge_infos): Simplify now that e->aux is no longer
10174 used to communicate with thread_through_all_blocks.
10175 * tree-flow.h (thread_through_all_blocks): Update prototype.
10176 (register_jump_thread): Prototype.
10178 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10180 * df-core.c (df_compact_blocks, df_bb_replace): Use
10181 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10183 2006-01-11 Richard Guenther <rguenther@suse.de>
10185 PR tree-optimization/25734
10186 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10187 stop propagation after successful propagation to the LHS.
10189 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10191 * basic-block.h (control_flow_graph): Change the type of
10192 x_basic_block_info to VEC(basic_block,gc) *.
10193 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10195 (SET_BASIC_BLOCK): New.
10196 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10197 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10198 * cfgbuild.c (find_basic_blocks): Likewise.
10199 * cfglayout.c (fixup_reorder_chain): Likewise.
10200 * cfgrtl.c (create_basic_block_structure,
10201 rtl_create_basic_block): Likewise.
10202 * ifcvt.c (find_if_case_1): Likewise.
10203 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
10206 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10208 * Makefile.in: Removed rotted odf.c entry.
10210 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10213 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
10214 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
10215 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
10216 output pattern modifier, not %e.
10217 * config/cris/cris.c (cris_op_str): Update comment about pattern
10219 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
10220 before falling through into...
10221 <case 'E'>: Redefined from old 'e' case.
10223 2006-01-11 Jan Hubicka <jh@suse.cz>
10226 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
10228 2006-01-11 Jan Hubicka <jh@suse.cz>
10230 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
10231 * i386.c (x86_decompose_lea): Kill.
10232 (ix86_rtx_costs): Kill.
10234 2006-01-11 Jan Hubicka <jh@suse.cz>
10236 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
10237 * cgraph.h (cgraph_node): Add inline_decl.
10238 (cgraph_insert_node_to_hashtable): Declare.
10239 (save_inline_function_body): Declare.
10240 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
10242 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
10243 (cgraph_function_versioning): Update call of tree_function_versioning.
10244 (save_inline_function_body): New function.
10245 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
10246 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
10247 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
10248 (cgraph_default_inline_p): Likewise.
10249 (cgraph_decide_inlining_incrementally): Likewise.
10250 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10251 (copy_bb): Kill saving; do updating of clones.
10252 (copy_cfg_body): Kill saving.
10253 (initialize_inlined-parameters): Likewise.
10254 (expand_call_inline): Likewise.
10256 (tree_function_versioning): New parameter "update_clones".
10257 (inlining_p): Kill saving.
10258 * tree-inline.h (tree_function_versioning): Update prototype.
10259 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10262 2006-01-11 Ian Lance Taylor <ian@airs.com>
10264 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10265 Allow undoing set of machine mode.
10266 (do_SUBST): Use enums instead of is_int.
10267 (do_SUBST_MODE): New function.
10268 (SUBST_MODE): New macro.
10269 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10270 reg and trying to replace reg_regno_rtx with a new register.
10271 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10272 (simplify_set): Use SUBST_MODE.
10273 (distribute_notes): Remove code that tried to update reg notes
10274 for regno_reg_rtx changes.
10276 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10278 PR tree-optimization/23109
10279 PR tree-optimization/23948
10280 PR tree-optimization/24123
10282 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10283 * tree-cfg.c (single_noncomplex_succ): New.
10284 * tree-flow.h (single_noncomplex_succ): Declare it.
10285 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10286 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10287 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10288 insert_bb, register_division_in, insert_reciprocals,
10289 replace_reciprocal, free_bb): New.
10290 (execute_cse_reciprocals_1): Rewritten.
10291 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10292 Do not commit any edge insertion. Always compute dominators and
10293 create the allocation pool.
10294 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10295 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10296 * targhooks.c (default_min_divistions_for_recip_mul): New.
10297 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10298 * passes.c (init_optimization_passes): Run recip after tree loop
10300 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10302 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10303 Kenneth Zadeck <zadeck@naturalbridge.com>
10305 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10306 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10307 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10308 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10309 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10310 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10311 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10312 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10313 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10314 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10315 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10316 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10317 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10318 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10319 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10320 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10321 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10322 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10323 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10324 DF_SCAN_POST_ALLOC): New macros.
10325 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10326 df_free_bb_function, df_local_compute_function, df_init_function,
10327 df_dataflow_function, df_confluence_function_0,
10328 df_confluence_function_n, df_transfer_function,
10329 df_finalizer_function, df_free_function, df_dump_problem_function,
10330 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10331 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10332 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10333 df_urec_bb_info, ) New types.
10334 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10336 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10337 df_analyze_simple_change_some_blocks,
10338 df_analyze_simple_change_one_block, df_compact_blocks,
10339 df_bb_replace, df_bb_regno_last_use_find,
10340 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10341 df_insn_regno_def_p, df_find_def, df_find_use,
10342 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10343 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10344 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10345 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10346 debug_df_chain, df_get_dependent_problem, df_chain_create,
10347 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10348 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10349 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10350 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10351 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10352 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10353 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10354 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10355 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10356 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10357 df_reorganize_refs, df_set_state, df_hard_reg_init,
10358 df_read_modify_subreg_p) New public functions.
10359 * df-core.c: The core dataflow solver and glue routines for rtl
10361 (df_init, df_add_problem, df_set_blocks, df_finish,
10362 df_hybrid_search_forward, df_hybrid_search_backward,
10363 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10364 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10365 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10366 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10367 df_reg_defined, df_find_use, df_reg_used, df_dump,
10368 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10369 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10370 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10371 debug_df_useno, reset_df_after_reload): New functions.
10372 * df-scan.c: The scanning fuctions, once in df.c, completely
10373 rewritten so that they now fully model the functionality of
10374 register usage at the backend.
10375 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10376 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10377 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10378 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10379 df_get_artificial_defs, df_get_artificial_uses,
10380 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10381 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10382 df_refs_delete, df_reorganize_refs, df_set_state,
10383 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10384 df_def_record_1, df_defs_record, df_uses_record,
10385 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10386 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10387 df_record_exit_block_uses, df_hard_reg_init): New functions.
10389 * df-problems.c: Seven concrete dataflow problems that use the
10390 scanning in df-scan.c and are solved by the engine in df-core.c.
10391 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10392 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10393 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10394 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10395 df_ru_free_bb_info, df_ru_alloc,
10396 df_ru_bb_local_compute_process_def,
10397 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10398 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10399 df_ru_transfer_function, df_ru_free, df_ru_dump,
10400 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10401 df_rd_free_bb_info, df_rd_alloc,
10402 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10403 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10404 df_rd_transfer_function, df_rd_free, df_rd_dump,
10405 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10406 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10407 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10408 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10409 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10410 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10411 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10412 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10413 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10414 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10415 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10416 df_urec_mark_reg_use_for_earlyclobber,
10417 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10418 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10419 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10420 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10421 df_chain_create_bb_process_use, df_chain_create_bb,
10422 df_chain_finalize, df_chain_free, df_chains_dump,
10423 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10424 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10425 df_reg_lifetime): New functions.
10426 * df.c: Deleted file.
10427 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10428 consistent with new df api.
10429 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10430 rest_of_handle_sms): Ditto.
10431 * web.c (unionfind_union, union_defs, entry_register, web_main):
10433 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10434 invariant_expr_equal_p, find_defs, check_dependencies,
10435 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10436 free_inv_motion_data, move_loop_invariants): Ditto.
10437 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10438 Update dependencies.
10439 (odf.c): Added defective entry that was deleted later in day.
10440 * sched-deps.c (sched_analyze_1): Ditto.
10442 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10444 * tree-ssa-operands.c (get_expr_operands): Record addressable
10445 variables directly. Do not call add_stmt_operands for CONST_DECLs
10447 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10448 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10450 2006-01-11 Ben Elliston <bje@au.ibm.com>
10452 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10453 function returns true in the positive case.
10455 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10458 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10459 for SI, DI, SF and DF modes. Add alternatives to copy between
10460 general and floating point registers to the 32-bit patterns.
10461 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10462 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10463 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10464 generating 64-bit code.
10465 * config/pa/pa.c (output_move_double): Handle copies between general
10466 and floating registers.
10468 2006-01-10 Stuart Hastings <stuart@apple.com>
10470 * config/i386/i386.md (set_got): Update.
10471 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10472 (builtin_setjmp_receiver): Mach-O support.
10473 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10474 (GOT_SYMBOL_NAME): Define.
10475 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10476 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10477 * config/i386/i386.c (override_options): Revise for Darwin.
10478 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10479 support. (darwin_x86_file_end): New. (output_set_got): Add label
10480 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10481 * config/i386/i386-protos.h (output_set_got): Likewise.
10482 * config/darwin.c (machopic_legitimize_pic_address): Update
10485 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10487 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10488 when MODE isn't BLKmode.
10490 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10492 PR rtl-optimization/25367
10493 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10495 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10498 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10499 for a negative bound.
10501 2006-01-10 Richard Guenther <rguenther@suse.de>
10503 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10504 Never override with anything constraint.
10506 2006-01-10 Jan Beulich <jbeulich@novell.com>
10508 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10509 256 bits when optimize_size.
10511 2006-01-10 Jan Beulich <jbeulich@novell.com>
10513 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10515 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10516 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10519 2006-01-10 Ben Elliston <bje@au.ibm.com>
10521 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10523 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10524 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10525 (USE_FP_FOR_ARG): Reject decimal float modes.
10526 (function_arg_advance): Likewise.
10527 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10528 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10529 point types in AltiVec vectors.
10530 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10531 (rs6000_libcall_value): Likewise.
10533 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10535 * config/xtensa/ieee754-df.S: New file.
10536 * config/xtensa/ieee754-sf.S: New file.
10537 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10538 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10539 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10541 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10543 * config/sh/predicates.md (binary_float_operator,
10544 binary_logical_operator, commutative_float_operator,
10545 equality_comparison_operator, greater_comparison_operator,
10546 less_comparison_operator, logical_operator,
10547 noncommutative_float_operator, shift_operator,
10548 symbol_ref_operand, unary_float_operator): Remove redundant
10551 2006-01-09 Jeff Law <law@redhat.com>
10553 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10554 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10555 now unused arguments. Callers updated.
10556 (eliminate_redundant_computations): Remove now unused arguments,
10558 (local_fold): Remove, no longer used.
10559 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10561 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10562 (simplify_cond): New function.
10563 (forward_propagate_into_cond): Call simplify_cond.
10565 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10567 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10568 (*vec_extractv2di_1_sse): New.
10570 2006-01-09 Ben Elliston <bje@au.ibm.com>
10572 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10574 2006-01-08 Richard Guenther <rguenther@suse.de>
10576 * tree-ssa-structalias.c (get_constraint_for): Remove
10577 anyoffset argument.
10578 (get_constraint_for_component_ref): Likewise.
10579 (do_deref): Likewise.
10580 (get_constraint_for): Likewise.
10581 (do_structure_copy): Likewise.
10582 (handle_ptr_arith): Likewise.
10583 (find_func_aliases): Likewise. Remove unused need_anyoffset
10586 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10587 Kaz Kojima <kkojima@gcc.gnu.org>
10589 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10590 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10591 (EXTRA_CONSTRAINT_C16): Remove.
10592 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10593 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10594 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10595 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10596 constants of SHmedia. Handle nested constant expressions of
10598 (andcosts): Fix the costs for SHmedia constants.
10599 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10600 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10601 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10602 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10603 (movv4hi_i, movv2si_i): Likewise.
10604 (movsi_const): Adjust the second operand of ior so to match with
10605 the Csu constraint.
10606 (movdi_const, movdi_const_32bit): Likewise.
10607 (movdi_const_16bit+1): Don't sign-extend LOW.
10608 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10610 (*double_shori): Fix the split condition. Use GEN_INT instead
10611 of get_int_mode calls. Mask lower 16-bit of the argument of
10613 (sym2GOTPLT): Remove.
10614 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10616 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10617 instead of EXTRA_CONSTRAINT_C16.
10619 2006-01-07 Ian Lance Taylor <ian@airs.com>
10620 David Edelsohn <edelsohn@gnu.org>
10622 PR rtl-optimization/25662
10623 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10624 for constant operands instead of simplify_gen_binary.
10625 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10626 after trying simplify_binary_operation
10628 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10630 * tree.c (iterative_hash_expr): Hash decls based on UID.
10632 2006-01-06 Eric Christopher <echristo@apple.com>
10634 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10635 (TARGET_UNWIND_EMIT): Fix spelling.
10636 * target.h (gcc_target): Add except_table_label.
10637 * except.c (output_function_exception_table): Use.
10638 * varasm.c (default_emit_except_table_label): New.
10639 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10641 (asm_out): Add here.
10642 * output.h (default_emit_except_table_label): Prototype.
10643 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10644 * config/darwin.c (darwin_emit_except_table_label): Define.
10645 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10647 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10649 PR tree-optimization/18527
10650 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10651 number_of_iterations_special, number_of_iterations_exit):
10652 Move base and step of an iv to a single structure. Add
10653 no_overflow flag, and use it in # of iterations analysis.
10654 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10655 folded_casts argument.
10656 (simple_iv): Pass base and step in a structure. Set no_overflow
10658 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10659 Evaluate expensiveness of computing # of iterations instead of
10660 the final expression.
10661 * tree-scalar-evolution.h (affine_iv): New structure.
10662 (simple_iv): Declaration changed.
10663 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10664 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10665 find_givs_in_stmt): Changed due to simple_iv change.
10667 2006-01-06 Jeff Law <law@redhat.com>
10670 * tree-cfg.c (bsi_replace): Rename final argument from
10671 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10672 change (stmt -> orig_stmt).
10673 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10674 (bsi_remove): Add new argument. Remove EH information
10676 (verify_eh_throw_table_statements): New function.
10677 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10679 * tree-optimize.c (execute_free_cfg_annotations): Verify
10680 the EH throw statement table after removing annotations.
10681 * except.h (verify_eh_throw_table_statements): Prototype.
10682 * tree-flow.h (bsi_remove): Update prototype.
10683 * tree-vrp.c (remove_range_assertions): Add new argument to
10685 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10686 * tree-complex.c (expand_complex_div_wide): Likewise.
10687 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10688 * tree-tailcall.c (eliminate_tailcall): Likewise.
10689 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10690 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10691 * tree-nrv.c (tree_nrv): Likewise.
10692 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10693 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10694 (combine_blocks): Likewise.
10695 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10696 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10697 (cleanup_control_flow): Likewise.
10698 (remove_forwarder_block): Likewise.
10699 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10700 * tree-sra.c (sra_replace): Likewise.
10701 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10702 (forward_propagate_single_use_vars): Likewise.
10703 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10704 * tree-inline.c (expand_call_inline): Likewise.
10705 * tree-vect-transform.c (vect_transform_loop): Likewise.
10706 * tree-outof-ssa.c (rewrite_trees): Likewise.
10707 * tree-cfg.c (make_goto_expr_edges): Likewise.
10708 (cleanup_dead_labels): Likewise.
10709 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10710 (bsi_move_before, bsi_move_after): Likewise.
10711 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10712 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10714 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10717 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10719 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10720 on non gimple variables. Also add checks at the top for decls and
10722 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10724 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10725 and IMAGPART_EXPR for creating MUST_DEFs.
10726 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10727 and NAME_MEMORY_TAG separately from the DECLs.
10729 2006-01-06 Richard Guenther <rguenther@suse.de>
10731 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10732 annotation, if necessary.
10733 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10734 redundant calls to update_stmt.
10735 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10738 2006-01-05 Richard Henderson <rth@redhat.com>
10740 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10742 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10744 * c-typeck.c: Update copyright date.
10746 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10748 * c-typeck.c (build_c_cast): Always warn when casting
10749 from a pointer to an integer of different size, even if
10750 the node was constant.
10752 2006-01-05 Richard Guenther <rguenther@suse.de>
10754 PR tree-optimization/22555
10755 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10756 if one structure field is an array.
10757 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10758 operands even if we found a subvar, but ignore VOPs in this
10760 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10762 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10764 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10766 PR middle-end/24998
10767 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10769 2006-01-05 Richard Guenther <rguenther@suse.de>
10770 Diego Novillo <dnovillo@redhat.com>
10772 * tree-pass.h (TODO_remove_unused_locals): Define.
10773 * gimple-low.c (expand_var_p, remove_useless_vars,
10774 pass_remove_useless_vars): Remove. Update all users.
10775 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10776 (remove_unused_locals): New function.
10777 * tree-flow.h (remove_unused_locals): Declare.
10778 * passes.c (execute_todo): Call remove_unused_locals if
10779 TODO_remove_unused_locals is set.
10780 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10781 * tree-ssa-dce.c (pass_dce): Likewise.
10782 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10784 2006-01-05 Richard Guenther <rguenther@suse.de>
10786 * tree-flow.h (struct fieldoff): Decompose field to
10787 type, size and decl.
10788 * tree-ssa-alias.c (create_sft): Take type as parameter.
10789 (create_overlap_variables_for): Store type, size and decl
10790 in the fieldoff structure.
10791 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10792 of struct fieldoff.
10793 (push_fields_onto_fieldstack): Likewise.
10794 (create_variable_info_for): Likewise. Use offset for the
10795 SFT name if the decl is not available.
10797 2006-01-04 Paul Brook <paul@codesourcery.com>
10799 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10801 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10803 * lambda-code.c (can_put_in_inner_loop): Relax
10805 (can_put_after_inner_loop): New function.
10806 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10807 (perfect_nestify): Change to make copies and modify uses.
10809 2006-01-04 Richard Henderson <rth@redhat.com>
10811 Merge from gomp branch:
10812 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10813 via integer constant.
10814 (pragma_lex): Remove.
10815 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10816 rather than parsing it.
10817 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10818 handle_pragma_extern_prefix): Add %< %> quotes.
10819 (registered_pragmas): New.
10820 (c_register_pragma_1): New.
10821 (c_register_pragma): Use it.
10822 (c_register_pragma_with_expansion): Likewise.
10823 (c_invoke_pragma_handler): New.
10824 (init_pragma): Use cpp_register_deferred_pragma directly for
10826 * c-pragma.h (enum pragma_kind): New.
10827 (pragma_handler): New.
10828 (c_invoke_pragma_handler): Declare.
10829 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10831 * c-common.h (c_common_pch_pragma): Update decl.
10832 * Makefile.in (c-parser.o): Update dependencies.
10833 (GTFILES): Add c-pragma.h.
10834 * c-parser.c (struct c_token): Add pragma_kind.
10835 (struct c_parser): Add in_pragma.
10836 (c_lex_one_token): Always initialize keyword and pragma_kind.
10837 Extract data for CPP_PRAGMA.
10838 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10839 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10840 Don't allow CPP_PRAGMA_EOL if in_pragma.
10841 (c_parser_consume_pragma): New.
10842 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10843 (c_parser_skip_to_end_of_parameter): Likewise.
10844 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10845 (c_parser_skip_to_pragma_eol): New.
10846 (c_parser_external_declaration): Handle CPP_PRAGMA.
10847 (c_parser_compound_statement_nostart): Likewise.
10848 (c_parser_statement_after_labels): Likewise.
10849 (c_parser_pragma): New.
10850 (pragma_lex): Likewise.
10851 (c_parser_pragma_pch_preprocess): New.
10852 (c_parser_new): Merge into ...
10853 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10855 2006-01-04 Jeff Law <law@redhat.com>
10858 * tree-cfg.c (bsi_replace): Remove the original statement
10859 from the EH throw statement table.
10861 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10863 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10864 make the prototype extern "C" and add throw ().
10867 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10868 and pos non-negative and pos + len <= 32.
10869 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10870 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10871 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10874 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10875 as well as sizes not multiple of component size.
10878 * function.c (instantiate_expr): New function.
10879 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10880 walk its DECL_VALUE_EXPR with instantiate_expr.
10882 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10883 DW_OP_deref{,_size} if address isn't going to be added.
10885 2006-01-04 Ben Elliston <bje@au.ibm.com>
10887 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10888 * config/fp-bit.c: Likewise.
10890 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10892 * dominance.c: Add comment about why we use DFS numbering
10895 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10896 Richard Henderson <rth@redhat.com>
10898 Merge from gomp-branch:
10899 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10900 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10902 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10904 PR rtl-optimization/25578
10905 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10906 pass a parameter to simplify_shift_const if changing ASHIFTRT
10909 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10911 * builtins.c (get_builtin_sync_mem): New function.
10912 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10913 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10914 Call get_builtin_sync_mem to generate mem rtx.
10916 2006-01-03 Richard Guenther <rguenther@suse.de>
10919 * stmt.c (add_case_node): Make sure to clear overflow flags
10922 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10924 Merge from gomp-branch.
10925 * config/sparc/sync.md: New file.
10926 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10927 UNSPECV_LDSTUB): New constants.
10928 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10929 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10930 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10933 2006-01-03 Roger Sayle <roger@eyesopen.com>
10935 * combine.c (reg_subword_p): New predicate to test whether the
10936 destination of a set refers to a subword/piece of a register.
10937 (try_combine): Generalize the code to merge the setting of a
10938 pseudo to a constant followed by a set of a subword of that
10939 register to a constant.
10941 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10943 * basic-block.h (control_flow_graph): Change the type of
10944 x_label_to_block_map to VEC(basic_block,gc) *.
10945 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10946 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10948 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10949 VEC(basic_block,heap) *.
10950 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10951 ssa_prop_fini): Adjust the uses of cfg_blocks.
10953 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10955 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10957 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10958 hashing trees instead of a pointer hash.
10959 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10960 compare for MEM_EXPR.
10962 PR rtl-optimization/25130
10963 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10964 when comparing MEMs for GCSE
10966 2006-01-03 Ben Elliston <bje@au.ibm.com>
10968 * targhooks.h (default_decimal_float_supported_p): Declare.
10969 * targhooks.c (default_decimal_float_supported_p): Define.
10970 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10971 `default_decimal_float_supported_p'.
10972 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10974 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10976 * combine.c (apply_distributive_law <SUBREG>): Check
10977 TRULY_NOOP_TRUNCATION.
10979 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10981 * dwarf2out.c (have_switched_text_section): Delete.
10982 (have_multiple_function_sections): New.
10983 (have_location_lists): Make 'bool'.
10984 (add_AT_loc_list): Use 'true' not '1'.
10985 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10986 (output_loc_list): Use have_multiple_function_sections.
10987 (output_ranges): Likewise.
10988 (dwarf2out_begin_function): Set have_multiple_function_sections if
10990 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10991 Check function_section rather than DECL_SECTION_NAME.
10992 (dwarf2out_finish): Use have_multiple_function_sections.
10993 Don't clear have_location_lists.
10995 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10996 Jan Hubicka <jh@suse.cz>
10998 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10999 case of conditional jump jumping to the next instruction.
11000 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11001 cases of conditional jump jumping to the next instruction.
11003 2006-01-02 Jan Hubicka <jh@suse.cz>
11005 * i386.c (*_cost): Add COSTS_N_INSNS.
11006 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11008 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11011 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11013 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11015 * config/arm/arm.c (all_fpus): Fix comment typo.
11016 * config/darwin.c: Likewise.
11017 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11018 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11019 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11021 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11023 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11024 (rs6000_split_compare_and_swapqhi): New.
11025 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11026 (sync_compare_and_swapqhi_internal): New.
11027 * config/rs6000/rs6000-protos.h: Declare.