1 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4 * tree-loop-linear.c (try_interchange_loops): Test for
7 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
9 PR tree-optimization/27548
10 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
11 range of ssa names that appear on abnormal edges.
12 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
13 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
15 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
18 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
20 2006-05-17 Jakub Jelinek <jakub@redhat.com>
23 * tree.h (OMP_PARALLEL_COMBINED): Define.
24 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
25 (new_omp_context): Add is_combined_parallel argument.
26 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
27 new_omp_context caller.
28 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
29 Adjust gimplify_scan_omp_clauses callers.
30 (omp_is_private): Issue errors if iteration variable is firstprivate
31 or reduction in the current context.
32 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
33 on combined parallel workshare constructs.
35 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
37 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
38 (gcc-options.o): New rule.
40 * optc-gen.awk: Protect variables for gcc-options.o with
41 #ifdef GCC_DRIVER/#endif.
43 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
45 Fix PR tree-optimization/27373
46 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
47 (forward_propagate_addr_expr): Update call.
49 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
51 * doc/options.texi: Move the Negative option.
53 2006-05-16 Richard Guenther <rguenther@suse.de>
55 PR tree-optimization/22303
56 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
58 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
59 ccp_fold did not simplify the statement.
61 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
64 * Makefile.in (GCC_OBJS): New.
65 (OBJS-common): Add opts-common.o.
66 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
67 (cpp$(exeext)): Likewise.
68 (gcc.o): Also depend on opts.h.
71 * common.opt (gcoff): Add Negative(gdwarf-2).
72 (gdwarf-2): Add Negative(gstabs).
73 (gstabs): Add Negative(gstabs+).
74 (gstabs+): Add Negative(gvms).
75 (gvms): Add Negative(gxcoff).
76 (gxcoff): Add Negative(gxcoff+).
77 (gxcoff+): Add Negative(gcoff).
78 * config/i386/i386.opt (m32): Add Negative(m64).
79 (m64): Add Negative(m32).
81 * doc/options.texi: Document the Negative option.
83 * gcc.c: Include "opts.h".
84 (main): Call prune_options after expandargv.
86 * optc-gen.awk: Generate common declarations for all flag
87 variables in options.c. Output the neg_index field.
89 * opts.c (find_opt): Moved to ...
90 * opts-common.c: Here. New file.
92 * opts.h (cl_option): Add a neg_index field.
94 (prune_options): Likewise.
96 2006-05-16 Jakub Jelinek <jakub@redhat.com>
99 * omp-low.c (expand_omp_parallel): Don't assert
100 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
101 instead search for it.
104 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
107 2006-05-16 Andreas Schwab <schwab@suse.de>
109 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
112 2006-05-15 Roger Sayle <roger@eyesopen.com>
115 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
116 integer constants other than zero are only legitimate on TARGET_64BIT.
117 <CONST_VECTOR> Only zero vectors are legitimate.
118 (ix86_cannot_force_const_mem): Integral and vector constants can
119 always be put in the constant pool.
121 2006-05-16 DJ Delorie <dj@redhat.com>
123 * crtstuff.c (__dso_handle): Set section from
124 TARGET_LBIGCC_SDATA_SECTION if defined.
125 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
126 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
128 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
131 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
134 2006-05-16 Ben Elliston <bje@au.ibm.com>
136 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
138 2006-05-15 Per Bothner <per@bothner.com>
140 * tree.c: (last_annotated_node): Use sources_locus typedef.
141 This permits bootstrapping with --enable-mapped-location.
143 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
145 PR tree-optimization/26830
146 * tree-into-ssa.c (struct ssa_name_info): Add age field.
147 (info_for_ssa_name, current_info_for_ssa_name_age,
148 blocks_to_update): New variables.
149 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
150 (clear_ssa_name_info, initialize_flags_in_bb,
151 mark_block_for_update): New functions.
152 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
153 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
154 prepare_def_site_for): Use mark_block_for_update.
155 (mark_def_interesting): Assert that the processed block is marked in
156 blocks_to_update. Do not take blocks argument.
157 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
159 (rewrite_update_init_block, rewrite_update_stmt): Only process
160 blocks with statements to rewrite.
161 (delete_update_ssa): Do not clear SSA_NAME_AUX.
162 (update_ssa): Initialize and free blocks_to_update. Do not
163 clear flags on statements. Do not use blocks bitmap.
164 * tree.h (SSA_NAME_AUX): Removed.
165 (struct tree_ssa_name): Removed aux field.
166 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
168 2006-05-15 Richard Guenther <rguenther@suse.de>
170 PR tree-optimization/27603
171 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
172 Do computations in original type.
174 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
176 * see.c: Code style changes such as redundant paranthesis,
177 redundant intialization of local variables etc.
178 (see_main): Declared now as static.
179 * doc/invoke.texi: Update that -fsee is not enabled by
182 2006-05-15 Jakub Jelinek <jakub@redhat.com>
184 * omp-low.c (check_omp_nesting_restrictions): New function.
185 (scan_omp_1): Call it.
188 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
189 construct, return *VAR.
191 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
193 PR rtl-optimization/27406
194 * bt-load.c (migrate_btr_def): Skip the block having abnormal
197 2006-05-14 Roger Sayle <roger@eyesopen.com>
199 PR rtl-optimization/27538
200 * combine.c (expand_compound_operation): Call gen_lowpart
201 before calling simplify_shift_const.
203 2006-05-14 Roger Sayle <roger@eyesopen.com>
205 PR rtl-optimization/22563
206 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
207 a fixed width bitfield, always force the intermediates into psuedos.
209 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
212 * mkconfig.sh: Use operator = instead of == for test.
214 2006-05-13 Nick Clifton <nickc@redhat.com>
216 * dwarf2out.c (dbx_reg_number): Check return value from
217 LEAF_REG_REMAP and only use it if it is valid.
218 (multiple_reg_loc_descriptor): Likewise.
220 2006-05-13 Richard Guenther <rguenther@suse.de>
222 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
225 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
227 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
228 information attached to non-INSNs such as NOTEs.
229 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
231 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
233 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
235 * config/s390/s390.md: Adjust comment describing On constraint.
237 2006-05-11 Jan Hubicka <jh@suse.cz>
239 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
242 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
245 * fold-const.c (size_binop): Move sanity check for arguments to
246 the beginning of the function.
249 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
252 2006-05-11 Richard Guenther <rguenther@suse.de>
255 * fold-const.c (fold_unary): Handle intermediate conversion
256 to a pointer type like intermediate conversion to an integer
257 type in folding of (T1)(T2)var to var.
258 Match the code to the comment in the final conversion for
259 (T1)(T2)var to (T1)var regarding to type precision. Rather
260 than disallow T1 being of pointer type, assert that both T1
261 and var are of pointer type or not. Make sure not to fall
262 over the frontends lazyness wrt array to pointer decay though.
264 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
266 * arm.c (arm_struct_value_rtx): Delete.
267 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
268 (arm_init_cumulative_args): Always initialize nregs to zero.
270 2006-05-10 Richard Guenther <rguenther@suse.de>
272 PR tree-optimization/27532
273 * tree-object-size.c (plus_expr_object_size): Fix typo.
275 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
278 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
279 ashrdi_const, ashrdi3): Use a scratch register.
281 2006-05-10 Richard Guenther <rguenther@suse.de>
283 PR tree-optimization/27302
284 * fold-const.c (operand_equal_p): For two comparisons,
285 try comparison of one comparison code swapped if that yields
288 2006-05-10 Ben Elliston <bje@au.ibm.com>
290 * tree-pretty-print.c (pretty_print_string): No need to handle
291 '\0' as a special character.
293 * tree.h: Include "hashtab.h".
294 (iterative_hash_expr): Use hashval_t in its prototype.
295 * Makefile.in (TREE_H): Add $(HASHTAB_H).
297 2006-05-09 Steve Ellcey <sje@cup.hp.com>
300 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
301 (hppa*64*-*-hpux11*): Ditto.
302 (hppa[12]*-*-hpux11*): Ditto.
304 2006-05-09 David Edelsohn <edelsohn@gnu.org>
307 * config/rs6000/aix41.h (TARGET_64BIT): Define.
309 2006-05-09 Michael Matz <matz@suse.de>
311 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
312 host_extra_gcc_objs and host_xmake_file.
313 (<*-*-linux*>): Don't overwrite host_xmake_file.
314 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
315 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
316 (host_detect_local_cpu): Declare.
317 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
318 * config/i386/i386.c (override_options): Handle -mtune=native
320 * config/i386/x-i386: New file.
321 * config/i386/driver-i386.c: New file.
322 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
325 2006-05-09 Dirk Mueller <dmueller@suse.de>
326 Richard Guenther <rguenther@suse.de>
329 * fold-const.c (fold_read_from_constant_string): Relax check
330 for matching types to matching modes.
332 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
334 PR rtl-optimization/27335
335 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
338 2006-05-08 Chao-ying Fu <fu@mips.com>
339 Richard Sandiford <richard@codesourcery.com>
341 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
342 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
343 * config/mips/mips.md (UNSPEC_SCC): New constant.
344 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
345 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
346 (mips_emit_compare): Use it.
347 (mips_expand_vcondv2sf): New function.
349 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
351 Fix PR tree-optimization/27093
352 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
353 renaming when they become not-used_alone.
355 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
357 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
358 relocation and relocation stubs.
360 2006-05-08 Eric Christopher <echristo@apple.com>
362 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
365 2006-05-08 Jan Hubicka <jh@suse.cz>
368 * cgraphunit.c (decide_is_function_needed): When not optimizing even
369 unused static functions are needed.
371 2006-05-08 Roger Sayle <roger@eyesopen.com>
374 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
375 of a reg_equiv_constant if the result is a legitimate constant.
377 2006-05-08 Uros Bizjak <uros@kss-loka.si>
380 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
381 standard 80387 constants, raise the cost to prevent
382 compress_float_constant() to generate load from memory.
384 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
386 * config/arm/constraints.md (c): Fix a typo.
388 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
391 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
394 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
396 (_mm_mwait): Likewise.
398 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
400 (sse3_monitor): Make it 32bit only.
401 (sse3_monitor64): New. 64bit monitor.
403 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
406 * config/i386/i386.c (classify_argument): Skip fields with invalid
409 2006-05-07 Richard Guenther <rguenther@suse.de>
411 PR tree-optimization/27409
412 * tree-ssa-structalias.c (get_constraint_for_component_ref):
413 Do not try to find zero-sized subvars.
415 2006-05-07 Richard Guenther <rguenther@suse.de>
417 PR tree-optimization/27136
418 * tree-ssa-loop-niter.c (get_val_for): Correct function
419 comment, assert requirements.
420 (loop_niter_by_eval): Stop processing if the iterated
421 value did not simplify.
423 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
425 * opts.c (flag_see): remove its setting at -O3.
427 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
429 * genpeep.c (main): Make insn-peep.c depend on flags.h.
430 * arm/constraints.md: New file.
431 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
432 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
433 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
434 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
435 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
436 (EXTRA_MEMORY_CONSTRAINT): Likewise.
437 * arm.md: Include constraints.md.
438 (thumb_movsi_insn): Use satisfies_constraint_J.
439 (movhi, movqi): Use satisfies_constraint_I.
441 2006-04-29 Anatoly Sokolov <aesok@post.ru>
443 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
444 for atmeg a645 device.
446 2006-05-06 Richard Guenther <rguenther@suse.de>
448 PR tree-optimization/27151
449 * tree-vect-transform.c (vectorizable_condition): Punt on
450 values that have a different type than the condition.
452 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
455 * c-parser.c (c_parser_cast_expression): Only insert casts into
456 hash table if pointer.
457 * function.c (used_types_insert_helper): Rename from
459 (used_types_insert): Call used_types_insert_helper.
460 * function.h (used_types_insert): Accept only one argument.
462 2006-05-05 David Edelsohn <edesohn@gnu.org>
464 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
465 scratch with output modifier.
467 2006-05-04 David Edelsohn <edelsohn@gnu.org>
470 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
471 with output modifier.
473 2006-05-04 Richard Sandiford <richard@codesourcery.com>
476 * config/mips/mips.c (mips_symbolic_address_p): Return true
477 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
478 SYMBOL_GOTTPREL, and SYMBOL_TLS.
480 2006-05-04 Richard Guenther <rguenther@suse.de>
482 PR tree-optimization/14287
483 PR tree-optimization/14844
484 PR tree-optimization/19792
485 PR tree-optimization/21608
486 PR tree-optimization/27090
487 * tree-ssa-pre.c (try_combine_conversion): New function.
488 (compute_avail): After constructing the value-handle
489 expression, use try_combine_conversion to combine NOP_EXPRs
490 with previous value-handle expressions and use the result if it
493 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
495 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
497 2006-05-04 Jan Hubicka <jh@suse.cz>
500 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
502 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
504 * config/bfin/predicates.md (const01_rtx): Tell generator programs
505 that this only matches CONST_INTs. All users changed to VOIDmode
508 * config/bfin/bfin.c: Include "optabs.h".
509 (bfin_rtx_costs): Some costs for vector operations, to allow combine
511 (enum bfin_builtins): Add a number of fractional and vector builtins.
512 (bfin_init_builtins): Likewise.
513 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
514 (safe_vector_operand, bfin_expand_binop_builtin,
515 bfin_expand_unop_builtin): New functions.
516 (bfin_expand_builtin): Handle the new builtins.
517 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
520 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
523 * Makefile.in (OBJS-common): Add see.o.
524 (see.o): Add dependencies.
525 * common.opt (fsee): New flag for the see optimization was added.
526 * opts.c (flag_see): Initialized.
527 * passes.c (init_optimization_passes, pass_see): New pass.
528 * rtl.h (see_main): Declaration as extern.
529 * timevar.def (TV_SEE): New.
530 * tree-pass.h (pass_see): Declaration as extern.
531 * invoke.texi (-fsee): Document.
532 * recog.c (validate_simplify_insn): New function.
533 * recog.h (validate_simplify_insn): Declaration as extern.
534 * df-problems.c (df_chain_dump): Check for NULL.
536 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
537 Daniel Berlin <dberlin@dberlin.org>
539 * cfgrtl.c (insert_insn_bb_end_new): New function.
540 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
542 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
544 * df.h (struct web_entry): Moved from web.c.
545 (union_defs): Declaration as extern.
546 (unionfind_root): Likewise.
547 (unionfind_union): Likewise.
548 * web.c (struct web_entry): Moved to df.h.
549 (unionfind_root): Remove static declaration.
550 (unionfind_union): Likewise.
551 (union_defs): Likewise and generalize to use callback function.
552 (web_main): Update arguments for union_defs function call.
554 2006-05-04 Richard Guenther <rguenther@suse.de>
556 PR tree-optimization/26447
557 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
558 produce SSA_NAME copies before the store stmt to avoid
559 breaking exception handling.
561 2006-05-04 Jakub Jelinek <jakub@redhat.com>
564 * gimplify.c (omp_is_private): If var is shared in some outer context,
565 return false instead of true. Stop searching on parallel context
568 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
571 * coverage.c: Use get_gcov_unsigned_t() instead of
572 unsigned_type_node all over.
574 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
576 PR tree-optimization/27381
577 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
578 maintain the same immediate_use links.
579 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
580 node rather than segfaulting.
582 2006-05-03 Jakub Jelinek <jakub@redhat.com>
585 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
586 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
587 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
589 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
591 Fix PR tree-optimization/26626
592 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
594 * tree-ssa-operands.c (access_can_touch_variable): Allow
595 typecasting through union pointers.
597 2006-05-02 Jakub Jelinek <jakub@redhat.com>
600 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
601 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
602 to find if var will be a global variable even in the nested context.
603 (omp_copy_decl): Only check for global variable at the end, it might
604 be overridden in outer contexts.
605 (scan_sharing_clauses): For global variables don't create a field.
606 (lower_rec_input_clauses): Do nothing for global shared variables.
607 Emit a barrier at the end of ILIST if there were any decls in both
608 firstprivate and lastprivate clauses.
609 (lower_send_clauses): Do nothing for global variables except for
612 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
614 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
615 of the correct signedness is returned.
617 2006-05-02 Jeff Law <law@redhat.com>
619 PR tree-optimization/27364
620 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
621 multiply expressions.
623 2006-05-02 Tom Tromey <tromey@redhat.com>
625 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
627 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
630 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
631 -mthumb -fPIC are used.
633 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
634 Joshua Kinard <kumba@gentoo.org>
637 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
638 with 64-bit pointers.
640 2006-05-02 Paul Brook <paul@codesourcery.com>
642 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
644 (create_fix_barrier): Check that a suitable barrier location is
646 (arm_reorg): Include ftmp->address in allowable range of addresses.
648 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
651 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
654 2006-05-02 Jakub Jelinek <jakub@redhat.com>
657 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
658 around RESULT_DECL for result passed by reference.
659 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
660 * omp-low.c (use_pointer_for_field): Don't look at
661 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
662 (scan_omp_1): Call remap_decl on RESULT_DECLs.
663 (lower_rec_input_clauses): Don't allocate VLA memory for the second
664 time or var for passing by reference for
665 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
666 TREE_ADDRESSABLE variables when passing by reference.
668 * omp-low.c (dump_omp_region): Fix output formatting.
671 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
672 (expand_omp_parallel): Likewise.
673 * tree-cfg.c (move_sese_region_to_fn): Likewise.
676 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
677 on statement list containing also constructors and destructors.
678 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
681 * except.c (duplicate_eh_regions): Fix clearing of
682 cfun->eh->region_array entries.
684 2006-05-01 DJ Delorie <dj@redhat.com>
686 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
688 (gcc_cv_objdump): Likewise.
689 * configure: Regenerated.
691 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
694 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
695 templates for case 3 and 4.
697 2006-05-01 DJ Delorie <dj@redhat.com>
699 * vec.c: Include bconfig.h when appropriate.
700 * Makefile.in (build/vec.o): Adjust dependencies.
701 * mkconfig.sh: Make sure config.h isn't used for build machine
704 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
706 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
708 (mark_phi_for_rewrite): New function.
709 (insert_phi_nodes_for, mark_use_interesting): Call
710 mark_phi_for_rewrite.
711 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
712 (update_ssa): Initialize and free phis_to_rewrite.
714 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
716 PR rtl-optimization/27291
717 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
718 folded to a constant.
720 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
722 PR tree-optimization/27283
723 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
724 not whole # of iteration descriptions.
725 (niter_for_exit): Return just # of iterations. Fail if # of iterations
726 uses abnormal ssa name.
727 (niter_for_single_dom_exit): Ditto.
728 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
729 return just the number of iterations.
731 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
733 PR tree-optimization/27144
734 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
735 (record_estimate): Only record constant upper bound.
736 (infer_loop_bounds_from_undefined): Call
737 compute_estimated_nb_iterations just once.
738 (proved_non_wrapping_p): Renamed to ...
739 (n_of_executions_at_most): ... this. Expect bound to be a constant.
740 (convert_step_widening, scev_probably_wraps_p): Call
741 n_of_executions_at_most instead of proved_non_wrapping_p.
742 (substitute_in_loop_info): Do not replace values in bounds.
743 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
746 2006-05-01 Richard Henderson <rth@redhat.com>
749 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
750 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
753 2006-05-01 Roger Sayle <roger@eyesopen.com>
755 * c-typeck.c (parser_build_binary_op): Don't call the function
756 unsigned_conversion_warning to spot operand/result type overflow.
757 (build_binary_op): Instead, call convert_and_check instead of
758 convert to report the problem when the operands are promoted.
759 * c-common.c (unsigned_conversion_warning): Make static.
760 * c-common.h (unsigned_conversion_warning): Delete prototype.
762 2006-05-01 Richard Guenther <rguenther@suse.de>
764 PR tree-optimization/26726
765 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
767 (find_interesting_uses_address): ... we work around here
768 by folding INDIRECT_REFs in the substituted base.
770 2006-05-01 Diego Novillo <dnovillo@redhat.com>
772 * omp-low.c (dump_omp_region): Add newlines.
774 2006-04-30 Roger Sayle <roger@eyesopen.com>
776 * common.opt (Woverflow): New command line option.
777 * c-common.c (constant_expression_warning): Check warn_overflow.
778 (overflow_waring): Pass OPT_Woverflow to warning.
779 (unsigned_conversion_warning): Likewise.
780 (convert_and_check): Likewise.
781 * doc/invoke.texi: Document new command line option.
783 2006-04-30 David Edelsohn <edelsohn@gnu.org>
785 * config/rs6000/rs6000.c (rs6000_override_options): Enable
786 TARGET_NO_FP_IN_TOC for section anchors.
787 (optimization_options): Enable section anchors for all
788 non-"Objective" languages.
790 2006-04-28 Eric Christopher <echristo@apple.com>
792 * config/darwin-c.c (darwin_ms_struct): Move this
793 (darwin_set_default_type_attributes): and this...
794 * config/darwin.c: ... here.
795 * config/darwin.h (darwin_ms_struct): Declare.
797 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
799 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
801 2006-04-28 Roger Sayle <roger@eyesopen.com>
804 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
805 (push_array_bounds): Delete prototype. Change BOUNDS argument to
806 an unsigned HOST_WIDE_INT.
807 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
809 (really_start_incremental_init): No need to call convert because
810 bitsize_zero_node is already of type bitsizetype.
811 (push_init_level): Extract the value of constructor_index as an
812 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
813 (process_init_element): Likewise.
815 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
817 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
818 value before passing to make_relative_prefix.
820 2006-04-28 Alan Modra <amodra@bigpond.net.au>
823 * builtins.c (expand_builtin_memset): Expand val in original mode.
825 2006-04-27 Eric Christopher <echristo@apple.com>
827 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
829 * config/darwin-c.c (darwin_ms_struct): New.
830 (darwin_pragma_ms_struct): Ditto.
831 (darwin_set_default_type_attributes): Ditto.
832 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
833 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
834 Register ms_struct pragma.
835 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
836 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
837 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
838 darwin_set_default_type_attributes if TARGET_MACHO.
840 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
842 PR tree-optimization/26854
843 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
844 * doc/tree-ssa.texi: Update immuse iterator documentation.
845 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
846 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
847 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
848 first_safe_imm_use, next_safe_imm_use): Remove.
849 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
850 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
851 (move_use_after_head): New. Helper function to sort immuses in a stmt.
852 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
853 (first_imm_use_stmt): New. Get first stmt in an immuse list.
854 (next_imm_use_stmt): New. Get next stmt in an immuse list.
855 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
856 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
857 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
858 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
859 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
860 (perfect_nestify): Use new iterator.
861 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
863 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
864 (next_imm_name): New field in struct immediate_use_iterator_d.
865 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
866 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
867 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
868 * tree-cfg.c (replace_uses_by): Use new iterator.
869 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
870 * tree-ssa-operands.c (correct_use_link): Remove.
871 (finalize_ssa_use_ops): No longer call correct_use_link.
873 2006-04-27 Stuart Hastings <stuart@apple.com>
875 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
876 * config/t-darwin (crt3.o): Use it.
877 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
878 'pmode', use Pmode instead of SImode for SYMBOL_REF.
879 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
880 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
881 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
884 2006-04-27 Roger Sayle <roger@eyesopen.com>
886 * expmed.c (store_fixed_bit_field): If we're not optimizing for
887 size, force the intermediate into a new pseudo rather instead of
888 performing both a bitwise AND and a bitwise IOR in memory.
890 2006-04-27 Richard Guenther <rguenther@suse.de>
892 PR rtl-optimization/26685
893 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
894 this one "max-flow-memory-locations".
896 2006-04-27 Richard Guenther <rguenther@suse.de>
898 PR tree-optimization/25148
899 * tree-vrp.c (compare_values): Remove code dealing with
900 comparisons against type min/max value. Honour overflow
901 and negative constants in code dealing with comparisons
902 of plus and minus expressions.
903 (value_inside_range): Use fold_binary with LE_EXPR and
904 GE_EXPR rather than compare_values.
906 2006-04-27 Dirk Mueller <dmueller@suse.de>
908 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
911 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
913 * basic-block.h (safe_insert_insn_on_edge): Removed.
914 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
916 2006-04-26 David Edelsohn <edelsohn@gnu.org>
917 Paolo Bonzini <bonzini@gnu.org>
920 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
921 (simplify_and_const_int): Same.
923 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
925 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
927 2006-04-26 Jakub Jelinek <jakub@redhat.com>
930 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
931 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
932 cgraph_global_info_ready.
935 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
938 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
939 either decl or init is error_mark_node.
942 * tree-flow.h (struct omp_region): Add sched_kind.
943 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
944 instead of extracting omp for data.
945 (expand_omp_for): Save extracted sched_kind.
947 2006-04-25 Roger Sayle <roger@eyesopen.com>
949 * expmed.c (store_bit_field): Also check whether the bitsize is
950 valid for the machine's "insv" instruction before moving the
951 target into a pseudo for use with the insv.
952 * config/i386/predicates.md (const8_operand): New predicate.
953 * config/i386/i386.md (extv, extzv, insv): Use the new
954 const8_operand predicate where appropriate.
956 2006-04-25 DJ Delorie <dj@redhat.com>
958 * doc/install.texi (Specific): Clarify that this is not a list of
959 supported hosts or targets.
961 2006-04-25 Richard Sandiford <richard@codesourcery.com>
963 PR rtl-optimization/26725
964 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
965 block's BB_DIRTY flag.
967 2006-04-25 Geoffrey Keating <geoffk@apple.com>
969 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
972 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
975 2006-04-25 David Edelsohn <edelsohn@gnu.org>
977 * varasm.c (align_variable): New function.
978 (get_block_for_decl): Apply align_variable to DECL before
979 calculating section information.
980 (assemble_variable): Split out alignment computation.
982 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
984 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
987 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
989 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
990 MODE_PARTIAL_INT mode.
991 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
992 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
994 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
995 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
997 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
999 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1001 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1002 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1003 MACFLAG_IH): Likewise.
1004 (movstricthi_1): Renamed from "*movstricthi".
1005 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1006 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1007 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1008 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1009 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1010 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1011 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1012 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1013 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1014 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1015 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1016 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1017 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1018 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1019 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1021 * doc/rtl.texi (ss_ashift): Improve wording.
1023 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1025 * dwarf2out.c (verify_marks_clear): New.
1026 (prune_unused_types): Call verify_marks_clear initially, not
1029 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1031 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1032 * doc/rtl.texi: Document them.
1033 * simplify-rtx.c (simplify_unary_operation,
1034 simplify_binary_operation_1): Don't abort when we see them.
1036 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1039 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1040 * configure.ac: Completely disregard languages that are not
1042 * configure: Regenerated.
1044 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1045 Richard Guenther <rguenther@suse.de>
1047 PR tree-optimization/27236
1048 * tree-inline.c (copy_body_r): Make sure to copy
1049 TREE_THIS_VOLATILE flag.
1051 2006-04-24 Richard Guenther <rguenther@suse.de>
1054 * tree-complex.c (update_parameter_components): Don't handle
1055 unused parameters which have no default def.
1057 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1058 Richard Guenther <rguenther@suse.de>
1060 PR tree-optimization/27218
1061 * tree-inline.c (expand_call_inline): Strip useless type
1062 conversions for the return slot address.
1064 2006-04-24 Richard Guenther <rguenther@suse.de>
1066 * cfgloop.h (struct loops): Remove unused field array. Reorder
1068 (LOOP_PREFETCH): Remove.
1070 2006-04-24 Richard Guenther <rguenther@suse.de>
1072 PR tree-optimization/22525
1073 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1074 variable, adjust types of generated expressions.
1076 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1078 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1079 (tree-vect-patterns.o): Likewise.
1081 (cselib.o): Likewise.
1082 (loop-doloop.o): Likewise.
1083 (regclass.o): Likewise.
1084 (reload1.o): Likewise.
1085 (explow.o): Replace target.h with $(TARGET_H).
1086 (ipa-prop.o): Likewise.
1087 (ipa-cp.o): Likewise.
1088 (ipa-inline.o): Likewise.
1089 (reorg.o): Likewise.
1090 (reg-stack.o): Likewise.
1092 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1094 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1096 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1098 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1100 * configure.ac: Completely disregard languages that are not
1102 * configure: Regenerated.
1105 * c-common.h (c_build_bitfield_integer_type): Declare.
1106 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1107 * c-common.c (c_build_bitfield_integer_type): ... here.
1109 2006-04-23 Roger Sayle <roger@eyesopen.com>
1112 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1113 a SImode SUBREG of a floating point register after no_new_pseudos.
1115 2006-04-23 Roger Sayle <roger@eyesopen.com>
1117 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1118 identify potentially eliminable registers to additionally catch
1119 VIRTUAL_INCOMING_ARGS_REGNUM.
1120 (addsi3): Update the conditions on when to use addsi_small_int.
1122 2006-04-23 Roger Sayle <roger@eyesopen.com>
1125 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1126 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1127 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1129 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1131 * fold-const.c (range_predecessor): Use operand_equal_p
1132 as the predicate for equality.
1133 (range_successor): Likewise.
1135 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1138 * config/soft-fp/op-common.h: Fix a typo.
1140 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1143 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1144 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1146 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1148 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1150 * doc/tm.texi: Fix a typo.
1152 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1154 * dwarf2out.c (struct die_struct): Document that die_sib makes
1155 a circular linked list.
1156 (FOR_EACH_CHILD): New.
1157 (reverse_die_lists): Delete.
1158 (reverse_all_dies): Delete.
1159 (add_dwarf_attr): Correct documentation.
1160 (remove_child_with_prev): New.
1161 (remove_child_TAG): Update for change to die_struct, use
1162 remove_child_with_prev.
1163 (add_child_die): Update for change to die_struct.
1164 (splice_child_die): Use remove_child_with_prev and add_child_die.
1165 (print_die): Use FOR_EACH_CHILD.
1166 (die_checksum): Likewise.
1167 (assign_symbol_names): Likewise.
1168 (output_location_lists): Likewise.
1169 (build_abbrev_table): Likewise.
1170 (calc_die_sizes): Likewise.
1171 (mark_dies): Likewise.
1172 (unmark_dies): Likewise.
1173 (unmark_all_dies): Likewise.
1174 (output_die): Likewise.
1175 (prune_unused_types_mark): Likewise.
1176 (prune_unused_types_walk): Likewise.
1177 (same_die_p): Update for change to die_struct.
1178 (break_out_includes): Likewise.
1179 (prune_unused_types_prune): Likewise.
1180 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1181 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1183 (dwarf2out_finish): Don't call reverse_all_dies.
1185 2006-04-21 Eric Christopher <echristo@apple.com>
1187 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1188 in comments and function names.
1190 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1193 * c-typeck.c (digest_init): Robustify.
1195 * c-typeck.c (pop_init_level): Simplify.
1197 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1199 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1201 2006-04-21 Paul Brook <paul@codesourcery.com>
1203 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1204 hardware floating point.
1206 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1208 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1211 2006-04-21 Nick Clifton <nickc@redhat.com>
1213 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1216 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1219 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1220 C++ lang type in traceback table for Objective-C++.
1222 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1224 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1226 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1228 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1231 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1232 were errors. Remove check for erroneous objects.
1234 2006-04-20 Jeff Law <law@redhat.com>
1236 PR tree-optimization/26854
1237 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1238 checking for zero or one use.
1239 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1240 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1241 * tree-ssa-reassoc.c (negate_value): Similarly.
1242 (reassociate_bb): Similarly.
1244 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1246 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1247 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1248 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1250 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1252 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1253 fp regs if the last fp arg doesn't fit in regs.
1255 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1258 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1259 that the last insn has the REG_INC note.
1261 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1262 Nathan Sidwell <nathan@codesourcery.com>
1265 * stor-layout.c (update_alignment_for_field): Do not align
1267 (place_union_field): Place union field at the start of the union.
1268 (place_field): Move ERROR_MARK check later, and use the current
1269 allocation position to maintain monotonicity.
1271 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1273 * dominance.c: Include timevar.h.
1274 (calculate_dominance_info): Use TV_DOMINANCE.
1275 * timevar.def (TV_DOMINANCE): New timevar.
1276 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1278 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1280 PR rtl-optimization/14261
1281 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1282 move would be an INSV insn.
1283 (noce_process_if_block): Don't optimize if the destination is a
1284 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1286 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1288 * config/s390/s390.md: Add comments with the instructions emitted
1289 by an insn pattern if macros are used.
1291 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1293 PR rtl-optimization/26026
1294 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1295 is a known power of two shifted left a variable amount.
1297 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1299 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1300 to hash table twice when the debug_str section has SECTION_MERGE.
1302 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1304 * config/soft-fp: New directory. From glibc.
1305 * config/soft-fp/t-softfp: New.
1306 * config/soft-fp/README: New.
1307 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1308 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1309 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1310 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1311 * config.gcc: Use rs6000/t-fprules-fpbit or
1312 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1314 * config/rs6000/sfp-machine.h: New. Based on glibc.
1315 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1317 * config/rs6000/t-fprules: Remove fp-bit rules.
1318 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1319 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1320 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1321 (softfp_wrap_start, softfp_wrap_end): New.
1323 2006-04-18 DJ Delorie <dj@redhat.com>
1325 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1327 2006-04-18 Devang Patel <dpatel@apple.com>
1329 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1331 2006-04-18 Nick Clifton <nickc@redhat.com>
1333 * config/sh/t-symbian: Add rule to build sh-c.o
1334 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1335 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1336 (sh_symbian_encode_section_info): Likewise.
1338 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1340 * builtins.c (expand_builtin_strcmp): Cover label definition of
1341 do_libcall with HAVE_cmpstrnsi.
1343 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1345 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1347 * function.h (temp_slot_p): New.
1348 (function): Change the type of x_used_temp_slots to
1349 VEC(temp_slot_p,gc) *.
1351 2006-04-18 Nick Clifton <nickc@redhat.com>
1353 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1354 flag_strength_reduce.
1356 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1358 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1362 Partial revert of revision 112637
1363 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1364 Dale Johannesen <dalej@apple.com>
1367 * regclass.c (struct reg_pref): Update documentation.
1368 (regclass): Set prefclass to NO_REGS if memory is the best option.
1369 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1371 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1373 PR tree-optimization/26821
1374 * tree-ssa-math-opts.c (get_constant_one): New.
1375 (insert_reciprocals): Use it.
1377 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1379 * dwarf2out.c (free_AT): Delete.
1380 (remove_AT): Update string ref counts.
1381 (remove_child_TAG): Don't call free_die.
1383 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1384 or DW_TAG_GNU_EINCL.
1385 (prune_unused_types_walk_attribs): Reset string refcounts.
1386 (prune_unused_types_update_strings): New.
1387 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1388 call free_die. Do call prune_unused_types_update_strings.
1389 (prune_unused_types): Empty debug_str_hash.
1391 2006-04-17 Roger Sayle <roger@eyesopen.com>
1393 * expr.c (expand_assignment): Optimize away no-op moves where the
1394 source and destination are equal and have no side-effects.
1396 2006-04-17 Richard Guenther <rguenther@suse.de>
1399 * reload.c (push_reload): Guard calls to get_secondary_mem
1402 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1404 * alias.c (reg_base_value, old_reg_base_value): Change the
1405 type to VEC(rtx,gc) *.
1406 (REG_BASE_VALUE, find_base_value, record_set,
1407 init_alias_analysis): Use VEC instead of VARRAY.
1409 * alias.c (alias_sets): Change the type to
1410 VEC(alias_set_entry,gc) *.
1411 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1412 VEC instead of VARRAY.
1413 (last_alias_set): Remove.
1415 * cgraph.h (cgraph_edge_p): New.
1416 Update the prototype of cgraph_function_versioning.
1417 * cgraphunit.c (cgraph_copy_node_for_versioning,
1418 cgraph_function_versioning): Use VEC instead of VARRAY.
1419 * ipa-cp.c (ipcp_insert_stage): Likewise.
1421 2006-04-16 Roger Sayle <roger@eyesopen.com>
1424 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1425 "A op B" or "A op C", we may need to convert A to the type of B and C.
1427 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1429 * target.h (struct gcc_target): Add mode_rep_extended.
1430 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1431 (init_num_sign_bit_copies_in_rep): Initialize it using
1433 (truncate_to_mode): Use it.
1434 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1435 * targhooks.h (default_mode_rep_extended): Declare it.
1436 * targhooks.c (default_mode_rep_extended): Define it.
1437 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1438 default_mode_rep_extended.
1439 (TARGET_INITIALIZER): Include it.
1440 * doc/tm.texi (Misc): Document it.
1441 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1442 (mips_truncated_to_mode): New function.
1444 2006-04-16 Roger Sayle <roger@eyesopen.com>
1447 * expr.c (compress_float_constant): Copy the narrow constant into
1448 a new pseudo before extending it to its final width.
1450 2006-04-16 Roger Sayle <roger@eyesopen.com>
1451 Andrew Pinski <pinskia@gcc.gnu.org>
1452 Dale Johannesen <dalej@apple.com>
1455 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1456 special case code to implement V8HImode and V16QImode with SSE2.
1458 2006-04-15 Roger Sayle <roger@eyesopen.com>
1460 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1461 trees are constructed with a suitable tree type.
1463 2006-04-15 Roger Sayle <roger@eyesopen.com>
1465 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1466 (integer_onep): Likewise.
1467 (integer_all_onesp): Likewise.
1468 (integer_pow2p): Likewise.
1469 (integer_nonzerop): Likewise.
1470 (real_zerop): Likewise.
1471 (real_onep): Likewise.
1472 (real_twop): Likewise.
1473 (real_minus_onep): Likewise.
1474 (int_size_in_bytes): Likewise.
1475 (host_integerp): Likewise.
1477 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1479 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1480 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1481 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1483 * tree-ssa-structalias.h (alias_info): Remove num_references.
1485 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1487 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1488 (output_bvb patterns): Likewise.
1489 * pa.c (output_bb): Use 'bb' insn for long branch case.
1490 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1491 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1492 1. Correct length operand for alternatives 1 and 2.
1493 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1494 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1496 2006-04-14 Roger Sayle <roger@eyesopen.com>
1498 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1499 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1500 were accidentally reverted by r112959.
1502 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1505 * except.h (eh_region_outermost): New prototype.
1506 * except.c (eh_region_outermost): New function.
1507 * tree-cfg.c (find_outermost_region_in_block): Use it.
1509 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1511 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1513 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1514 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1515 (init_reload, reload): Use VEC instead of VARRAY.
1516 * reload.h: Update the prototype for
1517 reg_equiv_memory_loc_varray.
1519 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1520 Eric Botcazou <ebotcazou@libertysurf.fr>
1522 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1525 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1528 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1529 to expand fallback builtin function call.
1531 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1534 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1535 and emit libcall here in case the builtin fails.
1536 (expand_builtin_strcmp): Always emit the libcall here on failure.
1538 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1540 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1541 * flow.c (reg_n_info): Change the type to
1542 VEC(reg_info_p,heap) *.
1543 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1545 * regs.h (reg_info_p): New.
1546 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1547 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1548 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1551 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1553 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1555 * params.h (MAX_SCHED_READY_INSNS): New macro.
1556 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1557 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1558 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1559 the ready list for 1 cycle during the first scheduling pass.
1560 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1562 2006-04-13 Richard Henderson <rth@redhat.com>
1565 * gimple-low.c (lower_omp_directive): Remove dead code.
1566 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1567 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1568 * omp-low.c (struct omp_region): Move to tree-flow.h.
1569 (root_omp_region): Export.
1570 (omp_regions, lookup_omp_region): Remove.
1571 (determine_parallel_type): Update for struct omp_region changes.
1572 (dump_omp_region): Dump regions with block numbers.
1573 (new_omp_region): Take type and block instead of stmt; malloc
1575 (free_omp_region_1, free_omp_regions): New.
1576 (expand_parallel_call): Take entry_stmt as argument; update for
1577 changes to omp_region.
1578 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1579 (remove_exit_barriers): New.
1580 (expand_omp_parallel): Update for struct omp_region changes.
1581 (expand_omp_synch): Likewise.
1582 (expand_omp): Likewise.
1583 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1584 (expand_omp_for_static_chunk): Likewise.
1585 (expand_omp_for): Likewise.
1586 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1587 (expand_omp_sections): Similarly, with GOMP_sections_end.
1588 (expand_omp_single): New.
1589 (build_omp_regions_1): Update for OMP_CONTINUE.
1590 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1591 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1592 OMP_SECTIONS_SECTIONS.
1593 (lower_omp_single_simple): Don't emit barrier here.
1594 (lower_omp_single_copy): Likewise.
1595 (lower_omp_single): Fix bindings, and lower to straightline now.
1596 (lower_omp_master, lower_omp_ordered): Likewise.
1597 (lower_omp_critical): Likewise.
1598 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1599 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1600 omp edges, free it afterward.
1601 (make_omp_sections_edges): Remove.
1602 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1603 (move_stmt_r): Handle OMP_CONTINUE.
1604 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1605 statement pointers to basic blocks. Add type member.
1606 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1607 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1608 * tree-inline.c (estimate_num_insns_1): Likewise.
1609 * tree-pretty-print.c (dump_generic_node): Likewise.
1610 * tree-ssa-operands.c (get_expr_operands): Likewise.
1611 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1612 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1613 (OMP_CONTINUE): New.
1614 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1615 (OMP_SECTIONS_SECTIONS): Remove.
1616 (OMP_SECTION_LAST): New.
1617 (OMP_RETURN_NOWAIT): New.
1619 2006-04-13 Roger Sayle <roger@eyesopen.com>
1621 * fold-const.c (native_encode_vector, native_interpret_real):
1622 Correct obvious mistakes in the previous check-in.
1624 2006-04-13 Roger Sayle <roger@eyesopen.com>
1626 * fold-const.c (native_encode_expr): New function to encode
1627 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1628 or VECTOR_CST into a specified buffer.
1629 (native_encode_int): New function.
1630 (native_encode_real): New function.
1631 (native_encode_complex): New function.
1632 (native_encode_vector): New function.
1633 (native_interpret_expr): Inverse of native_encode_expr to convert
1634 a target representation into an INTEGER_CST, REAL_CST etc...
1635 (native_interpret_int): New function.
1636 (native_interpret_real): New function.
1637 (native_interpret_complex): New function.
1638 (native_interpret_vector): New function.
1639 (fold_view_convert_expr): New function to constant fold/evaluate
1640 a VIEW_CONVERT_EXPR of a suitable constant expression.
1641 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1642 Change call of build1 to fold_build1 when constructing a
1645 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1646 Ulrich Weigand <uweigand@de.ibm.com>
1649 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1652 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1655 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1656 optimize to lo_sum for DFmode if !TARGET_FPRS.
1658 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1660 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1661 delete_alias_info, compute_flow_sensitive_aliasing,
1662 group_aliases): Use VEC instead of VARRAY.
1663 * tree-ssa-structalias.c (update_alias_info): Likewise.
1664 * tree-ssa-structalias.h (alias_info): Change the type of
1665 processed_ptrs to VEC(tree,heap) *.
1667 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1670 * config/sh/lib1funcs.h: New file, broken out of:
1671 * config/sh/lib1funcs.asm.
1672 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1674 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1675 * config/sh/lib1funcs-Os-4-200.asm: New file.
1676 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1677 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1678 (EXTRA_MULTILIB_PARTS): Include it.
1679 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1680 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1681 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1682 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1685 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1687 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1688 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1689 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1691 * tree-ssa-live.h: Include vecprim.h.
1692 (tree_partition_associator_d): Change the type of
1693 first_partition to VEC(int,heap) *.
1694 (tpa_first_partition): Use VEC instead of VARRAY.
1696 * Makefile.in (GTFILES): Move functions.h after tree.h.
1697 * function.c (reset_block_changes, record_block_change,
1698 check_block_change, free_block_changes): Use VEC instead of
1700 * function.h (function): Change the type of
1701 ib_boundaries_block to VEC(tree,gc) *.
1702 * tree-inline.c (copy_cfg_body): Initialize
1703 ib_boundaries_block to NULL instead of (varray_type) 0.
1705 2006-04-12 Roger Sayle <roger@eyesopen.com>
1707 * expr.c (emit_group_store): Correct operand order in call to
1708 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1709 a SUBREG_BYTE of zero.
1711 2006-04-12 Richard Guenther <rguenther@suse.de>
1713 * profile.c (compute_branch_probabilities): Remove code
1714 encapsulated in !ir_type (), which are remanents of the
1715 removed RTL profiling code.
1716 * rtl-profile.c: Remove.
1718 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1720 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1721 magic NULL_RTX comment.
1722 (function_arg): Store entire fp arg to mem if any part should go
1724 (rs6000_arg_partial_bytes): Adjust for above change.
1726 2006-04-11 Roger Sayle <roger@eyesopen.com>
1728 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1729 if it hasn't been initialized by dwarf2out_init.
1731 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1733 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1734 symbolic constants in branch patterns.
1736 2006-04-11 Roger Sayle <roger@eyesopen.com>
1738 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1740 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1742 PR rtl-optimization/27073
1743 * gcse.c (try_replace_reg): Revert last change. Continue to search
1744 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1747 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1749 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1750 aggregate types other than record and union types.
1751 (function_arg): Likewise.
1752 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1754 (function_value): In 64-bit mode, return objects that require it
1757 2006-04-11 Roger Sayle <roger@eyesopen.com>
1759 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1761 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1763 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1765 2006-04-03 Jeff Law <law@redhat.com>
1768 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1769 alias information too.
1771 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1773 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1775 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1778 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1779 (premark_used_types_helper): New.
1780 (premark_used_types): New.
1781 (gen_subprogram_die): Call premark_used_types.
1782 (prune_unused_types_walk): Do not prune perennial dies.
1783 * function.c (used_types_insert): New.
1784 * function.h (struct function): Add used_types_hash field.
1785 (used_types_insert): Add prototype.
1786 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1787 * c-parser.c (c_parser_cast_expression): Save casted types in used
1790 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1793 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1794 rs6000_explicit_options.float_gprs.
1796 2006-04-10 Roger Sayle <roger@eyesopen.com>
1798 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1799 from ix86_expand_vector_init_low_nonzero. Take an additional
1800 one_var argument indicating which element is non-zero. Support
1801 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1802 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1803 with one_var instead of ix86_expand_vector_init_low_nonzero.
1805 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1807 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1808 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1809 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1810 build/genextract.o): Depend on vecprim.h.
1811 * cfglayout.c, df-problems.c, function.c, genextract.c,
1812 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1813 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1817 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1819 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1820 Declare VECs of this type.
1821 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1822 (remove_children): Delete.
1823 (add_dwarf_attr): Use VEC routines.
1824 (add_AT_flag): Update for changes to add_dwarf_attr.
1825 (add_AT_int): Likewise.
1826 (add_AT_unsigned): Likewise.
1827 (add_AT_long_long): Likewise.
1828 (add_AT_vec): Likewise.
1829 (add_AT_string): Likewise.
1830 (add_AT_die_ref): Likewise.
1831 (add_AT_fde_ref): Likewise.
1832 (add_AT_loc): Likewise.
1833 (add_AT_loc_list): Likewise.
1834 (add_AT_addr): Likewise.
1835 (add_AT_lbl_id): Likewise.
1836 (add_AT_lineptr): Likewise.
1837 (add_AT_macptr): Likewise.
1838 (add_AT_offset): Likewise.
1839 (add_AT_range_list): Likewise.
1840 (get_AT): Use VEC_iterate.
1841 (remove_AT): Use VEC_ordered_remove.
1842 (free_die): Fold remove_children into here; have it use VEC_iterate.
1843 (print_die): Use VEC_iterate on attrs.
1844 (reverse_die_lists): Don't reverse attr lists.
1845 (die_checksum): Use VEC_iterate on attrs.
1846 (same_die_p): Likewise.
1847 (output_location_lists): Likewise.
1848 (build_abbrev_table): Likewise.
1849 (size_of_die): Likewise.
1850 (unmark_all_dies): Likewise.
1851 (output_abbrev_section): Likewise.
1852 (output_die): Likewise.
1853 (prune_unused_types_walk_attribs): Likewise.
1855 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1857 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1859 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1862 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1864 2006-04-09 Roger Sayle <roger@eyesopen.com>
1866 * expr.c (store_constructor): Don't bother clearing target if
1867 we're about to assign a vector to it using vec_init_optab.
1869 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1871 * tree-ssa-alias.c (lhs_may_store_to): New function.
1872 (recalculate_used_alone): Handle LHS of calls.
1874 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1878 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1879 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1880 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1881 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1882 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1883 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1884 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1885 stubs. Add ".align 8" directives before all ".dword" directives.
1886 (GTHREAD_USE_WEAK): Revise comment.
1887 (TARGET_ATTRIBUTE_WEAK): Define.
1888 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1889 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1890 * stublib.c: New file.
1895 * pa.md (cbranch patterns): Revise arguments used in calls to
1896 output_cbranch, output_bb and output_bvd. Add long branch length
1898 (fbranch patterns): Handle long branches.
1899 (jump): Revise length check. Revise arguments for output_lbranch call.
1900 Add long branch length attributes.
1901 (decrement_and_branch_until_zero): Add long branch length attributes.
1902 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1903 Likewise. Revise arguments for output_parallel_addb and
1904 output_parallel_movb calls.
1905 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1906 output_parallel_movb and output_parallel_addb): Update prototypes.
1907 * pa.c (output_cbranch): Revise arguments. Correct handling of
1908 nullification in long branches.
1909 (output_lbranch): Add new argument to control extraction of delay
1911 (output_bb): Handle long branches.
1912 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1913 output_parallel_addb): Likewise.
1915 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1917 PR rtl-optimization/27073
1918 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1921 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1923 * tree.h (tree_memory_tag): Add old_used_alone.
1924 (SMT_OLD_USED_ALONE): New macro.
1925 * tree-ssa-alias.c (recalculate_used_alone): Stop
1926 marking things for renaming unnecessarily.
1928 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1930 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1931 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1932 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1933 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1934 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1935 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1936 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1937 spelling convensions.
1938 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1939 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1940 typos. Follow spelling conventions.
1942 2006-04-07 DJ Delorie <dj@redhat.com>
1944 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1945 passed on the stack.
1946 (m32c_init_cumulative_args): When a function returns a structure,
1947 always pass the pointer to that return area on the stack.
1948 (m32c_function_arg_advance): Don't increment the parameter number
1949 if we're processing the returned structure pointer.
1950 (pushm_info): Reverse order of registers.
1952 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1954 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1955 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1956 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1957 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1959 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1960 chrec_fold_multiply): Same.
1961 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1962 force_expr_to_var_cost): Same.
1963 * tree-mudflap.c (mf_xform_derefs_1): Same.
1964 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1966 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1968 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1969 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1972 2006-04-07 Jan Hubicka <jh@suse.cz>
1974 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1976 2006-04-07 Richard Guenther <rguenther@suse.de>
1978 PR tree-optimization/26135
1979 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1980 loads for store copy-prop.
1981 (copy_prop_visit_stmt): Likewise.
1983 2006-04-05 Robert Millan <robertmh@gnu.org>
1985 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1986 being overriden in config/k*bsd-gnu.h.
1987 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1989 * gcc/config/knetbsd-gnu.h: Ditto.
1991 2006-04-06 Jan Hubicka <jh@suse.cz>
1995 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1998 2006-04-06 Mike Stump <mrs@apple.com>
2000 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2001 for HAVE_nonlocal_goto to be consistent.
2002 (expand_builtin_nonlocal_goto): Likewise.
2003 (expand_builtin_strcmp): Use #ifdef instead of #if
2004 for HAVE_cmpstrnsi to be consistent.
2006 2006-04-05 DJ Delorie <dj@redhat.com>
2008 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2011 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2013 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2014 got-relative addressing for anything but SImode.
2016 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2017 even if the calling function doesn't modify them.
2019 2006-04-05 Richard Guenther <rguenther@suse.de>
2021 PR tree-optimization/26919
2022 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2023 to cgraph_estimate_size_after_inlining.
2025 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2027 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2029 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2031 PR tree-optimization/26996
2032 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2033 VECTOR_TYPE variables.
2035 2006-04-05 Richard Guenther <rguenther@suse.de>
2037 PR tree-optimization/26763
2038 * fold-const.c (fold_comparison): Move folding of
2039 PTR + CST CMP PTR + CST ...
2040 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2042 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2044 * doc/install.texi (Prerequisites): Refine some wording on
2045 bootstrapping and ksh.
2046 Move the version numbers of DejaGnu here from the testing section
2047 and fix casing of names.
2048 Fix markup and clarify wording for autogen requirements.
2049 Refer to GCJ instead of just java.
2050 Refer to SVN instead of CVS.
2051 Describe diffutils as useful instead of necessary.
2052 (Downloading the source): Refer to SVN instead of CVS.
2053 Adjust a link to our web site accordingly.
2054 (Configuration): Fix casing of Bison.
2055 (Building): Refer to SVN instead of CVS.
2056 Fix a sentence on the use of Bison and remove duplicate (and
2057 incorrect) version number of Bison requirement.
2058 Remove one redundant list of packages needed for building.
2059 (Specific): Avoid reference to CVS.
2061 2006-04-04 Eric Christopher <echristo@apple.com>
2063 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2064 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2065 (rs6000_handle_struct_attribute): New.
2066 (rs6000_ms_bitfield_layout_p): Ditto.
2068 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2070 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2071 NULL for dso parameter to atexit_common.
2073 2006-04-04 Eric Christopher <echristo@apple.com>
2075 * config/i386/i386.c (machopic_output_stub): Output \t
2076 between instructions and operands.
2078 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2080 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2081 satisfies_constraint_[IL] to explicit tests on value.
2083 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2085 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2086 set_nb_iterations_in_loop): Use build_int_cst instead of
2088 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2089 build_int_cst instead of convert.
2091 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2093 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2094 new value 2 for incoming.
2095 * function.c (expand_function_start): Call struct_value_rtx
2097 * config/sparc/sparc.md: Comment updated_return.
2098 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2099 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2100 struct return if sparc_std_struct_return and incoming is 2.
2101 (print_operand): Do not adjust return if
2102 sparc_std_struct_return.
2104 2006-04-04 Roger Sayle <roger@eyesopen.com>
2106 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2107 convert in the middle-end.
2108 * expr.c (store_expr, store_constructor, get_inner_reference,
2109 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2111 * tree.c (build_range_type): Likewise.
2113 2006-04-04 Tom Tromey <tromey@redhat.com>
2115 * doc/install.texi (Prerequisites): Mention jar.
2117 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2119 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2122 2006-04-04 Matthias Klose <doko@debian.org>
2124 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2125 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2128 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2130 * doc/extend.texi (Function Attributes): Rewrite visibility
2131 attribute documentation.
2132 * doc/invoke.texi (C++ Dialect Options): Rewrite
2133 -fvisibility-inlines-hidden documentation to describe something
2134 entirely different, although in practise compatible.
2135 (Code Gen Options): Warn about system headers in -fvisibiltity=
2138 * doc/extend.texi (Other Builtins): Document that
2139 __builtin_nan is a compile-time constant only when its argument
2142 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2144 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2145 trying to remove TRUNCATE check if all bits outside the new mode
2146 are identical to the sign bit.
2148 2006-04-03 Jeff Law <law@redhat.com>
2150 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2151 and operand scanning in some common cases.
2153 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2154 Dale Johannesen <dalej@apple.com>
2157 * regclass.c (struct reg_pref): Update documentation.
2158 (regclass): Set prefclass to NO_REGS if memory is the best option.
2159 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2160 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2161 into account. For non-registers, equate an empty preferred
2162 reload class to a `!' in the constraint; move the if clause to
2163 do so after those that reject the insn.
2164 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2166 (find_dummy_reload): Likewise.
2167 * doc/tm.texi (Register Classes): Document what it means
2168 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2169 * config/i386/i386.c (ix86_preferred_reload_class): Force
2170 using SSE registers (and return NO_REGS for floating-point
2171 constants) if math is done with SSE.
2172 (ix86_preferred_output_reload_class): New.
2173 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2174 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2175 * config/i386/i386.md: Remove # register preferences.
2177 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2180 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2181 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2182 the type of nb_iter.
2183 (instantiate_parameters_1): Convert the operands before calling
2184 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2185 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2187 2006-04-02 Roger Sayle <roger@eyesopen.com>
2189 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2190 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2192 * dojump.c (do_jump): Likewise.
2193 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2194 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2195 gimplify_boolean_expr): Likewise.
2196 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2197 * varasm.c (array_size_for_constructor): Likewise.
2198 * tree-object-size.c (compute_object_offset): Likewise.
2200 2006-04-02 Roger Sayle <roger@eyesopen.com>
2203 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2204 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2206 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2208 PR tree-optimization/26939
2209 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2211 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2213 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2214 at_stmt. Convert the type of operands before calling
2215 build_polynomial_chrec.
2216 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2218 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2219 (instantiate_parameters_1): Convert the type of operands before calling
2220 build_polynomial_chrec.
2221 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2222 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2223 reset_evolution_in_loop): Insert asserts to check the types of the
2225 (chrec_type): Moved...
2226 (eq_evolutions_p): Use operand_equal_p.
2227 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2228 the types of the operands.
2229 (chrec_type): ...here.
2230 * tree-data-ref.c (create_data_ref): Convert the operands before
2231 calling chrec_replace_initial_condition.
2232 (same_access_functions, analyze_subscript_affine_affine,
2233 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2234 (compute_subscript_distance, analyze_ziv_subscript,
2235 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2236 analyze_miv_subscript): Convert the operands before calling
2237 chrec_fold_minus or chrec_fold_plus.
2239 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2241 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2242 the dependence_relations vector.
2243 (compute_data_dependences_for_loop): Adjust call to
2244 compute_all_dependences.
2246 2006-04-01 Roger Sayle <roger@eyesopen.com>
2247 Richard Henderson <rth@redhat.com>
2249 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2250 gimple_boolify on the condition before calling gimplify_expr.
2252 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2254 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2255 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2256 the frame size. Update to use the new macros.
2257 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2258 * config/xtensa/ieee754-df.S: Likewise.
2260 2006-03-31 Richard Henderson <rth@redhat.com>
2262 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2263 (make_edges): ... here. Control fallthru creation with a local
2264 variable. Do not play with fake edges.
2265 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2266 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2269 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2271 * dwarf2.h (DW64_CIE_ID): Define.
2272 * dwarf2out.c (DWARF_CIE_ID): Define.
2273 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2274 length header. Use DWARF_CIE_ID.
2275 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2276 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2278 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2280 * config/sh/linux-atomic.asm: New file.
2281 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2283 2006-03-31 DJ Delorie <dj@redhat.com>
2285 * config/m32c/cond.md: Set condition flags properly throughout.
2286 * config/m32c/minmax.md: Likewise.
2287 * config/m32c/prologue.md: Likewise.
2288 * config/m32c/bitops.md: Likewise.
2289 * config/m32c/muldiv.md: Likewise.
2290 * config/m32c/mov.md: Likewise.
2291 * config/m32c/addsub.md: Likewise.
2292 * config/m32c/m32c.md: Likewise.
2293 * config/m32c/jump.md: Likewise.
2294 * config/m32c/shift.md: Likewise.
2296 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2297 conditionally output the pattern for this.
2298 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2299 (m32c_compare_redundant): New.
2300 (m32c_output_compare): New.
2301 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2303 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2304 dest, not src. Allow other 4-byte modes.
2306 2006-03-30 Denis Chertykov <denisc@overta.ru>
2308 * doc/md.texi: Refer to avr/constraints.md instead of
2311 2006-03-30 Roger Sayle <roger@eyesopen.com>
2313 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2314 signed vs. unsigned comparison failures on some hosts.
2316 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2319 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2320 change to FLOAT_REGS.
2322 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2323 (rs6000_override_options): Use it.
2324 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2325 only for -mabi=spe/no-spe and -mabi=altivec.
2327 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2329 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2332 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2334 * Makefile.in: Rename docdir to gcc_docdir.
2336 2006-03-30 Roger Sayle <roger@eyesopen.com>
2339 * expr.c (emit_group_store): Optimize group stores into a pseudo
2340 register by using a paradoxical subreg to initialize the destination
2341 if the first or last member of the group specifies a "low part".
2343 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2346 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2347 * target.h (struct gcc_target.speculate_insn): Change type of the
2348 second parameter to 'int'.
2349 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2350 the second operand of the DEPS_LIST.
2351 (copy_DEPS_LIST_list): Update reference to the second operand of the
2353 * rtl.h (alloc_DEPS_LIST): Update signature.
2354 * sched-int.h (ds_t): Change typedef to 'int'.
2355 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2357 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2359 * haifa-sched.c (try_ready): Change condition to restore
2360 non-speculative pattern of the instruction.
2361 (process_insn_depend_be_in_spec): Code to keep probability of the
2362 speculative dependence non-decreasing.
2364 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2366 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2367 (single_move_for_movmem): ... this. Also change all uses.
2368 (bfin_expand_strmov): Renamed to...
2369 (bfin_expand_movmem): ... this. Also change all uses.
2370 * config/bfin/bfin.md (movstrsi): Renamed to...
2371 (movstrsi): ...this.
2373 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2375 PR tree-optimization/26830
2377 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2378 (copy_prop_visit_stmt): Remove write-only variable ann.
2379 (init_copy_prop): Check variable loop depth here. Do not simulate
2380 memory-tag and virtual operand PHIs except for store copy prop.
2382 2006-03-30 Richard Guenther <rguenther@suse.de>
2384 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2385 variants with double arguments.
2387 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2389 * genpreds.c (write_tm_constrs_h): Delete variable p.
2390 * genconditions.c (write_header): Add tm-constrs.h to included
2392 * genpeep.c (main): Add toplev.h to included headers.
2393 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2394 (build/genpeep.o): Add toplev.h dependency.
2395 * config/rs6000/constraints.md: Add "W" constraint.
2397 2006-03-29 Roger Sayle <roger@eyesopen.com>
2399 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2400 sizes by correctly testing whether the size fits a host integer.
2401 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2402 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2403 SImode range for the default sizetype and bitsizetype.
2405 2006-03-29 Roger Sayle <roger@eyesopen.com>
2407 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2408 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2409 quickly if the argument is already of the correct type.
2410 Call fold_build1 instead of build1. Tidy up blank lines.
2412 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2414 * genemit.c (main): Add tm-constrs.h to included headers.
2415 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2416 * genpeep.c (main): Add tm-constrs.h to included headers.
2417 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2418 (write_tm_constrs_h): this and write complete file.
2419 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2420 (write_insn_preds_c): Add tm-constrs.h to included headers.
2421 (gen_constrs): New variable.
2422 (parse_option): Parse "-c".
2423 (main): Invoke write_tm_constrs_h.
2424 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2425 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2426 (object_out_file): Add tm-constrs.h dependency.
2427 (insn-emit.o): Same.
2428 (insn-output.o): Same.
2429 (insn-peep.o): Same.
2430 (insn-preds.o): Same.
2431 (insn-recog.o): Same.
2432 (tm-constsr.h): New target.
2433 (s-constrs-h): New target.
2435 * config/rs6000/constraints.md: New file.
2436 * config/rs6000/rs6000.c: Include tm-constrs.h.
2437 (num_insn_constant_wide): Convert to satisfies_constraint.
2438 (rs6000_rtx_costs): Convert to satisfies_constraint.
2439 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2440 (CONST_OK_FOR_LETTER_P): Delete.
2441 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2442 (EXTRA_CONSTRAINT): Delete.
2443 (EXTRA_MEMORY_CONSTRAINT): Delete.
2444 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2445 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2446 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2447 satisfies_constraint.
2449 * config/i386/i386.c: Include tm-constrs.h.
2451 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2453 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2454 * tree-data-ref.c (find_data_references_in_loop,
2455 compute_data_dependences_for_loop): Use pointers to VEC.
2456 (analyze_all_data_dependences): Adjust calls.
2457 * tree-data-ref.h (find_data_references_in_loop,
2458 compute_data_dependences_for_loop): Adjust declarations.
2459 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2460 compute_data_dependences_for_loop.
2462 2006-03-29 Paul Brook <paul@codesourcery.com>
2464 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2467 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2469 PR tree-optimization/26859
2470 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2472 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2473 for the step after fold_convert.
2475 2006-03-29 Paul Brook <paul@codesourcery.com>
2477 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2478 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2480 2006-03-29 Paul Brook <paul@codesourcery.com>
2483 * targhooks.c (default_narrow_bitfield): New fuction.
2484 * targhooks.h (default_narrow_bitfield): add prototype.
2485 * target.h (gcc_target): Add narrow_volatile_bitfield.
2486 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2487 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2488 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2489 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2491 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2493 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2495 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2496 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2497 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2498 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2499 (s390_function_arg_float): Allow SDmode and DDmode values to be
2500 passed in floating point registers.
2501 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2502 check with SCALAR_FLOAT_MODE_P.
2503 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2505 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2507 PR tree-optimization/25985
2508 * tree-ssa-loop-niter.c (number_of_iterations_le,
2509 number_of_iterations_ne): Make comments more precise.
2510 (number_of_iterations_cond): Add only_exit argument. Use the
2511 fact that signed variables do not overflow only when only_exit
2513 (loop_only_exit_p): New.
2514 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2515 number_of_iterations_cond.
2517 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2519 PR tree-optimization/26643
2520 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2523 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2525 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2526 (divsi3_i4_int): Likewise.
2528 2006-03-28 Roger Sayle <roger@eyesopen.com>
2530 * expr.c (emit_group_store): Only create a new pseudo reg if the
2531 quantity it needs to hold isn't already a suitable pseudo.
2533 2006-03-28 Jeff Law <law@redhat.com>
2535 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2536 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2538 2006-03-28 Roger Sayle <roger@eyesopen.com>
2540 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2541 the equivalent ~X & Y, and the symmetry related transformations.
2542 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2543 ~X & Y, and symmetry related transforms.
2545 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2547 Revert my 2006-03-27 patches.
2549 2006-03-28 Roger Sayle <roger@eyesopen.com>
2551 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2552 ~(T1)X, when T1 and T2 are integer types of the same precision
2553 and (T2)X isn't an extension.
2555 2006-03-28 Jeff Law <law@redhat.com>
2557 PR tree-optimization/26796
2558 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2559 need EH edge cleanups rather than purging them immediately.
2560 (eliminate_degenerate_phis): Handle queued EH cleanups.
2562 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2564 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2567 2006-03-27 Roger Sayle <roger@eyesopen.com>
2570 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2571 cast BIT_NOT_EXPR operand to the correct type.
2573 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2575 * tree-loop-linear.c: Don't include varray.h.
2576 (gather_interchange_stats, try_interchange_loops,
2577 linear_transform_loops): Use VEC instead of VARRAY.
2578 * lambda-mat.c: Don't include varray.h.
2579 * tree-chrec.c: Same.
2580 * lambda-trans.c: Same.
2581 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2582 VEC instead of VARRAY.
2583 * tree-vectorizer.h: Idem.
2584 * tree-data-ref.c (dump_data_references,
2585 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2586 initialize_data_dependence_relation, finalize_ddr_dependent,
2587 compute_all_dependences, find_data_references_in_loop,
2588 compute_data_dependences_for_loop, analyze_all_data_dependences,
2589 free_dependence_relation, free_dependence_relations,
2590 free_data_refs): Idem.
2591 * tree-data-ref.h (data_reference_p, subscript_p): New.
2592 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2593 VEC instead of VARRAY.
2594 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2595 (find_data_references_in_loop, compute_data_dependences_for_loop,
2596 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2597 dump_data_dependence_relations, free_dependence_relations,
2598 free_data_refs): Adjust declaration.
2599 (lambda_transform_legal_p): Move declaration here...
2600 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2601 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2602 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2603 vect_analyze_data_refs): Use VEC instead of VARRAY.
2604 * lambda.h (lambda_transform_legal_p): ...from here.
2605 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2606 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2607 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2608 tree-chrec.o): Don't depend on VARRAY_H.
2610 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2612 * rtl.def (Copyright): Update date.
2613 (DEPS_LIST): Change type of the second operand to 'int'.
2614 * target.h (Copyright): Update date.
2615 (struct gcc_target.speculate_insn): Change type of the second parameter
2617 * lists.c (Copyright): Update date.
2618 (alloc_DEPS_LIST): Change signature. Update reference to the second
2619 operand of the DEPS_LIST.
2620 (copy_DEPS_LIST_list): Update reference to the second operand of the
2622 * rtl.h (Copyright): Update date.
2623 (alloc_DEPS_LIST): Update signature.
2624 * sched-int.h (Copyright): Update date.
2625 (ds_t): Change typedef to 'int'.
2626 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2628 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2630 * haifa-sched.c (Copyright): Update date.
2631 (try_ready): Change condition to restore non-speculative pattern
2633 (process_insn_depend_be_in_spec): Code to keep probability of the
2634 speculative dependence non-decreasing.
2636 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2638 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2639 shut up the compiler.
2641 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2643 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2644 to use lib prefix for target.
2645 ($(T)libic_invalidate_array_4-200.a): Likewise.
2646 ($(T)libic_invalidate_array_4a.a): Likewise.
2648 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2649 J"orn Rennecke <joern.rennecke@st.com>
2651 * superh.opt: New file.
2652 * sh.c (boardtype, osruntime): Remove.
2653 * superh.h (SUBTARGET_OPTIONS): Remove.
2654 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2656 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2657 arguments with ^ and/or [].
2659 * config.gcc (sh-*-*): Add quoting to account for quirk of
2661 Replace == with = in enable_incomplete_targets test.
2663 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2664 with MASK_LITTLE_ENDIAN.
2666 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2667 * config/sh/sh.opt: Added to some comments.
2668 * config/sh/superh.h: Removed some chaff.
2670 * config/sh/sh.opt: Add m4-[1234]00* options.
2671 * config/sh/sh.c (sh_handle_option): Likewise.
2672 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2673 (ic_invalidate_array_4-100.o): New rule.
2674 ($(T)libic_invalidate_array_4-100.a): Likewise.
2675 (ic_invalidate_array_4-200.o): Likewise.
2676 ($(T)libic_invalidate_array_4-200.a): Likewise.
2677 (ic_invalidate_array_4a.o): Likewise.
2678 ($(T)libic_invalidate_array_4a.a): Likewise.
2679 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2680 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2682 * config/sh/crt1.asm: Merged in profiling code.
2683 * config/sh/superh.h (STARTFILE_SPEC): Override.
2684 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2685 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2686 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2688 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2689 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2690 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2692 * sh.opt (mpretend-cmove): New option.
2693 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2694 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2695 (movsicc): Add TARGET_PRETEND_CMOVE code.
2697 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2699 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2700 s390_class_max_nregs): New function prototypes.
2701 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2702 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2703 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2704 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2706 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2708 * dwarf2out.c (add_location_or_const_value_attribute): Call
2709 tree_add_const_value_attribute if nothing else works.
2710 (reference_to_unused): New.
2711 (rtl_for_decl_init): Use reference_to_unused to decide whether
2712 to output an initializer.
2714 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2717 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2718 peephole removing spe frob_di_df_2.
2720 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2722 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2723 (subscript_dependence_tester_1): Declared.
2724 (print_dir_vectors, print_dist_vectors): New.
2725 (debug_data_dependence_relation): New.
2726 (dump_data_dependence_relation): Print more details.
2727 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2728 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2729 (save_dist_v, save_dir_v, add_outer_distances,
2730 build_classic_dist_vector_1): New.
2731 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2732 Don't test for lambda_vector_lexico_pos.
2733 (same_access_functions, add_multivariate_self_dist,
2734 add_other_self_distances, dir_from_dist): New.
2735 (build_classic_dir_vector): Replace implementation almost identical to
2736 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2738 (subscript_dependence_tester_1): New.
2739 (subscript_dependence_tester): Handle the lexicographically negative
2740 distance vectors by recomputing the dependence relation.
2741 (compute_affine_dependence): Remove parameter loop_nest_depth.
2742 (compute_self_dependence): Don't call compute_subscript_distance.
2743 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2744 Add a parameter for the loop_nest.
2745 (find_loop_nest_1, find_loop_nest): New.
2746 (compute_data_dependences_for_loop): Compute the loop nest, and give
2747 up if the nest is not well formed.
2748 * tree-data-ref.h (loop_p): New.
2749 (struct data_dependence_relation): Replace size_vect field with
2750 loop_nest, a vec of loops.
2751 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2752 (DDR_LOOP_NEST): New.
2753 (print_dir_vectors, print_dist_vectors,
2754 debug_data_dependence_relation): Declared.
2755 (index_in_loop_nest): New.
2756 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2757 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2760 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2762 * simplify-rtx.c (simplify_relational_operation): Call
2763 simplify_relational_operation_1 even if mode is VOIDmode.
2765 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2767 PR tree-optimization/26804
2768 * tree.h (DECL_CALL_CLOBBERED): New macro.
2769 (tree_decl_common): Add call_clobbered_flag.
2770 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2771 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2772 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2773 (mark_non_addressable): Ditto.
2774 * tree-ssa.c (verify_call_clobbered): New function.
2775 (verify_alias_info): Use it.
2776 * tree-pass.h (pass_reset_cc_flags): New prototype.
2777 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2778 (reset_cc_flags): New function.
2779 * passes.c (init_optimization_passes): Call reset_cc_flags after
2780 initializing referenced_vars.
2782 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2783 Roger Sayle <roger@eyesopen.com>
2786 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2787 to 1.0 for non-real operands. Implement A / A optimization for
2790 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2792 * config/i386/i386.c (size_cost): Correct the comment for
2793 cost of storing fp registers.
2794 (i386_cost): Likewise.
2795 (i486_cost): Likewise.
2796 (pentium_cost): Likewise.
2797 (pentiumpro_cost): Likewise.
2798 (k6_cost): Likewise.
2799 (athlon_cost): Likewise.
2800 (k8_cost): Likewise.
2801 (pentium4_cost): Likewise.
2802 (nocona_cost): Likewise.
2803 (generic64_cost): Likewise.
2804 (generic32_cost): Likewise.
2806 2006-03-24 Denis Chertykov <denisc@overta.ru>
2808 * config/avr/avr-protos.h (extra_constraint): Delete.
2809 (extra_constraint_Q): New declaration.
2810 * config/avr/constraints.md: New file.
2811 * config/avr/avr.md: Include it.
2812 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2813 (TMP_REGNO, ZERO_REGNO): Likewise.
2814 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2815 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2816 (extra_constraint): Delete.
2817 (extra_constraint_Q): Test for memory constraint 'Q'.
2818 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2819 (REG_CLASS_FROM_LETTER): Delete.
2820 (CONST_OK_FOR_LETTER_P): Delete.
2821 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2822 (EXTRA_CONSTRAINT): Delete.
2823 (TMP_REGNO): Delete.
2824 (ZERO_REGNO): Delete.
2826 2006-03-24 Jeff Law <law@redhat.com>
2828 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2829 directly. Call mark_new_vars_to_rename slightly earlier.
2831 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2833 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2835 (gen_compile_unit_die): Use new language types for Objective-C and
2837 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2838 DW_LANG_C_plus_plus.
2841 * config/t-darwin (crt3.o): Work around bug 26840.
2842 * config/darwin-crt3.c: Rewrite.
2843 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2845 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2847 * doc/invoke.texi: Document -femit-class-debug-always
2848 * common.opt: Add -femit-class-debug-always.
2850 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2852 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2853 index and base register.
2854 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2855 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2856 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2857 REGNO_OK_FOR_INDEX_P.
2858 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2860 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2861 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2862 REG_OK_FOR_BASE_P): Definitions removed.
2864 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2867 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2868 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2869 set yet or weren't marked as local yet.
2871 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2873 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2876 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2878 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2879 (rs6000_legitimate_small_data_p): Delete.
2880 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2881 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2882 and make static. Add forward declaration. Update uses.
2883 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2884 of offsettable_memref_p.
2885 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2886 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2888 2006-03-24 Jeff Law <law@redhat.com>
2890 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2891 around bug in immediate-use iterator.
2893 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2896 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2897 or __LITTLE_ENDIAN__.
2899 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2901 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2902 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2903 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2904 * config/sh/sh.opt (mdiv=): Amend description.
2905 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2906 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2907 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2908 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2909 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2910 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2911 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2912 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2913 TARGET_DIVIDE_CALL_FP.
2915 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2917 * haifa-sched.c (choose_ready): Fix type of the local variable.
2918 Move local variables. Add comment.
2919 (check_reg_live): Change signature. Make callable from debugger.
2920 * sched-int.h (check_reg_live): Update signature.
2921 * sched-ebb.c (check_reg_live): Update parameters.
2922 * sched-rgn.c (check_reg_live): Ditto.
2923 (region_head_or_leaf_p): Check pointer before dereferencing.
2924 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2925 before reload on optimization levels below 1.
2927 2006-03-23 Richard Henderson <rth@redhat.com>
2929 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2933 * config/alpha/predicates.md (local_symbolic_operand): Reject
2936 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2939 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2940 expressions which have overflowed constants.
2942 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2944 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2946 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2948 * cfgloopmanip.c (create_loop_notes): Removed.
2949 * final.c (final_scan_insn): Do not handle loop notes.
2950 * jump.c (squeeze_notes): Ditto.
2951 * cfglayout.c (skip_insns_after_block,
2952 duplicate_insn_chain): Ditto.
2953 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2955 * cfgloop.h (create_loop_notes): Declaration removed.
2957 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2959 * varasm.c (output_constant_pool): Restore fnname and fndecl
2961 (assemble_start_function): Adjust call accordingly.
2962 (assemble_end_function): Likewise.
2964 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2967 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2970 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2972 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2975 * system.h (ICE_EXIT_CODE): New macro.
2976 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2977 (diagnostic_action_after_output): Likewise.
2978 * gcc.c (fatal_ice): New function.
2979 (execute): Use it instead of fatal.
2980 (fancy_abort): Likewise.
2981 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2983 2006-03-22 Jeff Law <law@redhat.com>
2985 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2986 iv_analyze_result returning false.
2988 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2990 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2992 2006-03-22 Richard Henderson <rth@redhat.com>
2995 * except.c (duplicate_eh_regions_0): New.
2996 (duplicate_eh_region_1): Duplicate the children of the node as
2997 well as the node itself. Link them up properly.
2998 (duplicate_eh_region_2): Merge into ...
2999 (duplicate_eh_regions): ... here. Take copy_region argument, and
3000 copy only a sub-tree if asked. Simplify copying and fixup.
3001 (eh_region_outer_p): New.
3002 * except.h (duplicate_eh_regions): Update decl.
3003 (eh_region_outer_p): Declare.
3004 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3005 (lower_omp_master): Likewise.
3006 (lower_omp_ordered): Likewise.
3007 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3008 (move_stmt_r): Use it to remap labels. Handle recursion vs
3009 remap_decls_p properly.
3010 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3011 (find_outermost_region_in_block): New.
3012 (new_label_mapper): New.
3013 (move_sese_region_to_fn): Copy eh information to the new function
3015 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3017 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3020 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3022 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3023 into shared libraries.
3025 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3027 * doc/md.texi: Refer to i386/constraints.md instead of
3029 * config/i386/constraints.md: New file, extracted from...
3030 * config/i386/predicates.md: ...here.
3031 * config/i386/i386.md: Include constraints.md.
3033 2006-03-21 Jason Merrill <jason@redhat.com>
3035 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3038 * expr.c (init_block_move_fn): Force default visibility.
3039 (init_block_clear_fn): Likewise.
3040 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3041 * targhooks.c (default_external_stack_protect_fail): Likewise.
3043 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3045 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3046 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3047 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3048 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3049 (loadgp): Use mips_current_loadgp_style.
3050 (loadgp_noshared): New pattern.
3051 (sibcall_internal): Use MIPS_CALL.
3052 (sibcall_value_internal): Likewise.
3053 (sibcall_value_multiple_internal): Likewise.
3054 (call_internal): Likewise.
3055 (call_value_internal): Likewise.
3056 (call_value_multiple_internal): Likewise.
3057 (call_split): Use MIPS_CALL and add an 'S' constraint.
3058 (call_value_split): Likewise.
3059 (call_value_multiple_split): Likewise.
3060 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3061 (-mshared): New option.
3062 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3063 (mips_current_loadgp_style): Declare.
3064 * config/mips/mips.c (mips_classify_symbol): Avoid using
3065 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3066 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3067 TARGET_ABSOLUTE_ABICALLS.
3068 (override_options): Adjust comments. Improve the warning that is
3069 issued when -mabicalls and -G are used together.
3070 (mips_file_start): Remove comment.
3071 (mips_current_loadgp_style): New function.
3072 (mips_gnu_local_gp): New variable.
3073 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3075 (mips_output_function_prologue): Use mips_current_laodgp_style.
3076 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3077 the cprestore instruction.
3078 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3079 live for TARGET_ABSOLUTE_ABICALLS.
3080 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3081 (ASM_SPEC): Pass down -mshared and -mno-shared.
3082 (MIPS_CALL): New macro.
3083 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3085 * doc/invoke.texi (-mabicalls): Update documentation.
3086 (-mshared): Document.
3088 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3090 * config/ia64/unwind-hpux.c: New file.
3091 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3093 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3096 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3098 2006-03-21 Jeff Law <law@redhat.com>
3100 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3101 type conversions of a VR_VARYING source to a wider type.
3103 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3105 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3106 tm_file on Solaris 10 and later.
3107 (sparc64-*-solaris2*): Likewise.
3108 (sparc-*-solaris2*): Likewise.
3109 * config/sol26.h: Rename to config/sol2-6.h.
3110 * config/sol2-10.h: New file.
3112 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3115 * tree-ssa-pre.c (create_component_ref_by_pieces):
3118 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3121 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3122 return it immediately.
3124 2006-03-21 Michael Matz <matz@suse.de>
3126 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3128 (remove_arc, add_arc): Update num_out_arcs member.
3129 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3131 (cache_presence): New function.
3132 (compare_states_for_equiv): New function.
3133 (state_is_differed): Don't take number of outargs, adjust callers.
3134 Use new invariant for speeding up.
3135 (init_equiv_class): Create initial classes based on sorted
3137 (partition_equiv_class): Don't track out_arcs_num.
3138 (evaluate_equiv_classes): Call cache_presence on all states and
3141 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3143 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3144 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3145 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3146 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3148 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3149 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3150 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3151 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3152 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3154 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3155 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3156 (REGNO_REG_CLASS): ARGP is in PREGS.
3157 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3159 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3160 to deal with those addresses.
3161 * addresses.h: New file.
3162 * caller-save.c: Include "addresses.h".
3163 (init_caller_save): Use new base_reg_class function.
3164 * rtl-factoring.c: Include "addresses.h".
3165 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3166 * recog.c: Include "addresses.h".
3167 (preprocess_constraints): Use new base_reg_class function.
3168 * regrename.c: Include "addresses.h".
3169 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3170 functions. Keep track of a new var INDEX_CODE to compute valid
3172 (replace_oldest_value_addr): Likewise.
3173 (replace_oldest_value_mem): Use base_reg_class.
3174 * reload.c: Include "addresses.h".
3175 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3176 (find_reloads): Use new base_reg_class function.
3177 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3178 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3179 all callers and prototype changed.
3180 * reload1.c: Include "addresses.h".
3181 (maybe_fix_stack_asms): Use base_reg_class.
3182 * regclass.c: Include "addresses.h".
3183 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3184 (init_reg_autoinc): Use new base_reg_class function.
3185 (record_reg_classes): Likewise.
3186 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3187 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3188 Use new args to compute necessary class.
3190 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3191 regrename.o, rtl-factoring.o): Update dependencies.
3192 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3193 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3194 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3195 REG_OK_FOR_INDEX_P): Delete documentation.
3197 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3199 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3200 from V7 to V9 for Solaris 7 and above.
3202 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3204 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3205 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3206 argument pointers may not alias any other storage.
3207 * common.opt: Define option -fargument-noalias-anything.
3208 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3209 alias semantics is specified by flag_argument_noalias > 2.
3211 2006-03-20 Jeff Law <law@redhat.com>
3213 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3214 (pass_phi_only_cprop): Declare.
3215 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3217 * tree-ssa-dom.c (degenerate_phi_result): New function.
3218 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3219 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3220 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3221 (eliminate_degenerate_phis): Likewise.
3222 (pass_phi_only_cprop): New pass descriptor.
3223 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3224 support code. Callers updated.
3225 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3226 (store_copy_prop): Likewise.
3227 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3229 2006-03-20 Jason Merrill <jason@redhat.com>
3232 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3233 (push_visibility, pop_visibility): Likewise.
3234 * c-pragma.h: Declare them.
3236 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3238 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3240 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3241 parameter and use get_ebb_head_tail.
3242 (sh_md_init_global): Adjust uses of find_regmode_weight.
3244 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3246 * function.h (struct function) <x_tail_recursion_reentry>:
3247 Rename to x_stack_check_probe_note.
3248 (tail_recursion_reentry): Rename to stack_check_probe_note.
3249 * function.c: Replace tail_recursion_reentry with
3250 stack_check_probe_note everywhere.
3251 (expand_function_start): Only emit a note for
3252 stack_check_probe_note with -fstack-protect.
3253 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3255 * emit-rtl.c (remove_unnecessary_notes): Remove.
3256 (pass_remove_unnecessary_notes): Remove.
3257 * rtl.h (remove_unnecessary_notes): Remove prototype.
3258 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3259 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3260 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3262 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3265 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3266 (valid_in_set): Handle ARRAY_REF.
3267 Change "if min_variant or VH" to asserts.
3268 (create_component_ref_by_pieces): Handle ARRAY_REF.
3269 (create_expression_by_pieces): Likewise.
3270 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3272 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3274 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3275 is operand of switch, not str[0].
3277 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3279 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3280 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3282 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3284 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3285 end of insn_extra_address_constraint declaration.
3287 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3289 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3290 (no-sum-in-toc): Same.
3291 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3293 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3294 NO_FP_IN_TOC for -fPIC instead of mask.
3296 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3297 (BOOT_LDFLAGS): Delete.
3299 * config/rs6000/t-aix52: Same.
3301 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3302 (stmsi[345678]_power): New.
3304 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3306 * config/ia64/ia64.opt: Add empty line to end of file.
3308 2006-03-17 Richard Guenther <rguenther@suse.de>
3311 * builtins.c (get_pointer_alignment): For component style references
3312 adjust alignment to the component type alignment. Make sure
3313 to adjust alignment for component access of constants.
3315 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3317 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3320 2006-03-17 Paul Brook <paul@codesourcery.com>
3322 * doc/install.texi: Docuemnt --with-mode.
3323 * config.gcc: Add --with-mode for arm*-*-*.
3324 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3326 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3328 * sh.c (max_labelno_before_reorg): New variable.
3329 (sh_reorg): Initialize it.
3330 (find_barrier): Check max_labelno_before_reorg before using
3331 label_to_alignment. Take length of explicit alignment insns
3332 into account. When seeing a UNSPECV_CONST_END, return it.
3334 * sh.c (fixup_mova): Set mode of affected label to QImode.
3335 (untangle_mova): New function.
3336 (find_barrier): Use it. Check mode of label before decrementing
3338 (sh_reorg): Likewise.
3339 Set mode of all insns back to VOIDmode.
3341 * sh.c (MOVA_LABELREF): New macro.
3342 (mova_p, fixup_mova, sh_reorg): Use it.
3343 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3344 ADDR_DIFF_VEC matches mova.
3346 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3348 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3349 with ATTRIBUTE_UNUSED.
3351 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3353 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3354 pointer, instead of assuming it is possible to derive the
3355 correct args size from a call insn.
3357 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3359 * rtl.h (CONST_INT_P): Define.
3360 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3361 instead of GET_CODE(x) == CONST_INT.
3362 (vax_rtx_costs): Likewise.
3363 (vax_output_int_move): Likewise.
3364 (vax_output_int_add): Likewise.
3365 (legitimate_constant_address_p): Likewise.
3366 (index_term_p): Likewise.
3367 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3368 * config/vax/vax.md (and<mode>3): Likewise.
3369 (ashrsi3): Likewise.
3371 (movstricthi): Likewise.
3372 (movstrictqi): Likewise.
3373 (rotrsi3): Likewise.
3374 (five unnamed insns): Likewise.
3376 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3378 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3379 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3380 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3381 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3382 Pass to ASM_OUTPUT_DWARF_OFFSET.
3383 * dwarf2out.c (debug_frame_section): New.
3384 (output_call_frame_info): Use debug_frame_section. Pass it to
3385 dw2_asm_output_offset.
3386 (output_die): Pass appropriate section to dw2_asm_output_offset.
3387 (output_compilation_unit_header): Likewise.
3388 (output_pubnames): Likewise.
3389 (output_aranges): Likewise.
3390 (enum dw_val_class): Break dw_val_class_lbl_offset into
3391 dw_val_class_lineptr and dw_val_class_macptr.
3392 (add_AT_lbl_offset): Delete.
3393 (add_AT_lineptr): New.
3394 (add_AT_macptr): New.
3395 (AT_lbl): Expect a lineptr or macptr.
3396 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3397 (attr_checksum): Likewise.
3398 (same_dw_val_p): Likewise.
3399 (size_of_die): Likewise.
3400 (value_format): Likewise.
3401 (output_die): Likewise.
3402 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3404 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3405 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3406 * config/darwin-protos.h (darwin_file_start): New.
3407 (darwin_asm_output_dwarf_offset): New.
3408 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3409 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3411 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3412 if not EH section; simplify.
3413 (darwin_file_start): New.
3414 (darwin_asm_output_dwarf_offset): New.
3415 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3417 (DEBUG_INFO_SECTION): Likewise.
3418 (DEBUG_ABBREV_SECTION): Likewise.
3419 (DEBUG_ARANGES_SECTION): Likewise.
3420 (DEBUG_MACINFO_SECTION): Likewise.
3421 (DEBUG_LINE_SECTION): Likewise.
3422 (DEBUG_LOC_SECTION): Likewise.
3423 (DEBUG_PUBNAMES_SECTION): Likewise.
3424 (DEBUG_STR_SECTION): Likewise.
3425 (DEBUG_RANGES_SECTION): Likewise.
3426 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3427 (ASM_OUTPUT_DWARF_OFFSET): New.
3429 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3431 * config.gcc (tm_defines): Always add to previous value rather
3434 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3436 * config/mips/predicates.md (splittable_const_int_operand): New,
3437 split from move_operand.
3438 (splittable_symbolic_operand): New.
3439 (move_operand): Add commentary. Use splittable_const_int_operand.
3440 Inline mips_atomic_symbolic_constant_p.
3441 * config/mips/mips.md: Add combine splitters for handling moves
3442 of splittable_const_int_operands and splittable_symbolic_operands.
3443 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3444 (mips_split_symbol): Declare.
3445 (mips_move_integer): Declare.
3446 * config/mips/mips.c (mips_split_p): Make global.
3447 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3448 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3449 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3450 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3451 (mips_offset_within_object_p): Handle block symbols.
3452 (mips_atomic_symbolic_constant_p): Delete.
3453 (mips_cannot_force_const_mem): Return false for constants that
3454 mips_legitimize_move can handle.
3455 (mips_use_blocks_for_constant_p): New function.
3456 (mips_split_symbol): Make global.
3457 (mips_move_integer): Likewise. Add a temporary register argument.
3458 (mips_legitimize_const_move): Use splittable_const_int_operand and
3459 splittable_symbolic_operand.
3460 (mips_use_anchors_for_symbol_p): New function.
3461 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3462 (mips_split_p): Declare.
3464 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3466 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3467 (mips*-*-linux*): Likewise.
3469 2006-03-16 Roger Sayle <roger@eyesopen.com>
3470 Daniel Speyer <dspeyer@wam.umd.edu>
3473 * tree-dump.c (dump_real): New function.
3474 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3475 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3476 (tree-dump.o): Add $(REAL_H) to the dependencies.
3478 2006-03-16 Roger Sayle <roger@eyesopen.com>
3481 * real.c (real_from_string): If the mantissa is zero, don't bother
3482 parsing the exponent as the result should always be zero.
3484 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3486 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3488 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3490 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3491 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3492 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3493 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3494 ia64_sched_finish_global): New static functions to implement
3495 hooks from gcc_target.sched.
3496 (spec_check_no, max_uid, pending_data_specs): New static variables.
3497 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3498 ia64_spec_check_src_p): New static functions.
3499 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3500 (TARGET_SCHED_ADJUST_COST): Removed.
3501 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3502 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3503 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3504 TARGET_SCHED_GEN_CHECK,
3505 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3506 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3507 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3508 Fixed to handle speculation checks.
3509 (rtx_needs_barrier): Fixed to handle speculative loads and
3511 (ia64_variable_issue): Added code to count speculative loads and their
3513 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3515 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3517 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3519 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3520 (ia64_reorg): Reset stops_p to NULL after it is freed.
3521 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3522 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3523 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3525 (data_speculative, control_speculative, check_load): New attributes.
3526 (mov<mode>_advanced, mov<mode>_speculative,
3527 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3528 zero_extend<mode>di2_speculative,
3529 zero_extend<mode>di2_speculative_advanced): New patterns for
3530 data and control speculative loads.
3531 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3533 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3534 New pattern for data and control speculation checks.
3535 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3536 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3537 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3538 Auxiliary definitions for the patterns.
3539 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3540 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3542 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3544 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3545 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3546 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3547 New resource constraints.
3548 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3550 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3551 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3552 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3553 msched-in-control-spec, msched-ldc, msched-control-ldc,
3554 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3555 msched-prefer-non-control-spec-insns,
3556 msched-count-spec-in-critical-path): New flags to tune speculative
3558 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3559 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3560 msched-in-control-spec, msched-ldc, msched-control-ldc,
3561 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3562 msched-prefer-non-control-spec-insns,
3563 msched-count-spec-in-critical-path): Document new flags.
3565 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3567 * target.h (struct spec_info_def): New opaque declaration.
3568 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3569 speculate_insn, needs_block_p, gen_check,
3570 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3571 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3572 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3573 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3574 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3575 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3577 (TARGET_SCHED): Use new macros.
3578 * rtl.h (copy_DEPS_LIST_list): New prototype.
3579 * sched-int.h (struct sched_info): Change signature of new_ready field,
3580 adjust all initializations. New fields: add_remove_insn,
3581 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3582 region_head_or_leaf_p.
3583 (struct spec_info_def): New structure declaration.
3584 (spec_info_t): New typedef.
3585 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3586 recovery_block, orig_pat.
3587 (glat_start, glat_end): New variables declaraions.
3588 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3590 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3591 DETACH_LIFE_INFO, USE_GLAT.
3592 (enum SPEC_SCHED_FLAGS): New enumeration.
3593 (NOTE_NOTE_BB_P): New macro.
3594 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3595 attach_life_info, debug_spec_status, check_reg_live): New functions.
3596 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3597 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3599 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3600 * ddg.c (get_block_head_tail): Adjust all uses.
3601 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3602 (sms_sched_info): Initialize new fields.
3603 (contributes_to_priority): Removed.
3604 * haifa-sched.c (params.h): New include.
3605 (get_block_head_tail): Adjust all uses.
3606 (ISSUE_POINTS): New macro.
3607 (glat_start, glat_end): New global variables.
3608 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3609 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3610 old_last_basic_block, before_recovery, current_sched_info_var,
3611 rgn_n_insns, luid): New static variables.
3612 (insn_cost1): New function. Move logic from insn_cost to here.
3613 (find_insn_reg_weight1): New function. Move logic from
3614 find_insn_reg_weight to here.
3615 (reemit_notes, move_insn, max_issue): Change signature.
3616 (move_insn1): Removed.
3617 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3618 extend_bb): New static functions to support extension of scheduler's
3620 (generate_recovery_code, process_insn_depend_be_in_spec,
3621 begin_speculative_block, add_to_speculative_block,
3622 init_before_recovery, create_recovery_block, create_check_block_twin,
3623 fix_recovery_deps): New static functions to support
3624 generation of recovery code.
3625 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3626 restore_bb_notes, move_block_after_check, move_succs): New static
3627 functions to support ebb scheduling.
3628 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3629 functions to support handling of register live information.
3630 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3631 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3632 add_jump_dependencies): New static functions.
3633 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3634 consistancy checking.
3635 (debug_spec_status): New function to call from debugger.
3636 (priority): Added code to handle speculation checks.
3637 (rank_for_schedule): Added code to distinguish speculative instructions.
3638 (schedule_insn): Added code to handle speculation checks.
3639 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3640 Fixed to handle ebbs.
3641 (move_insn): Added code to handle ebb scheduling.
3642 (max_issue): Added code to use ISSUE_POINTS of instructions.
3643 (choose_ready): Added code to choose between speculative and
3644 non-speculative instructions.
3645 (schedule_block): Added code to handle ebb scheduling and scheduling of
3646 speculative instructions.
3647 (sched_init): Initialize new variables.
3648 (sched_finish): Free new variables. Print statistics.
3649 (try_ready): Added code to handle speculative instructions.
3650 * lists.c (copy_DEPS_LIST_list): New function.
3651 * sched-deps.c (extend_dependency_caches): New function. Move logic
3652 from create_dependency_caches to here.
3653 (get_dep_weak, ds_merge): Make global.
3654 * genattr.c (main): Code to output prototype for
3655 dfa_clear_single_insn_cache.
3656 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3657 (output_dfa_clean_insn_cache_func): Code to output
3658 dfa_clear_single_insn_cache function.
3659 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3661 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3663 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3664 New static variables.
3665 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3666 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3668 (ebb_sched_info): Initialize new fields.
3669 (get_block_head_tail): Adjust all uses.
3670 (compute_jump_reg_dependencies): Fixed to use glat_start.
3671 (schedule_ebb): Code to remove unreachable last block.
3672 (schedule_ebbs): Added code to update register live information.
3673 * sched-rgn.c (region_sched_info): Initialize new fields.
3674 (get_block_head_tail): Adjust all uses.
3675 (last_was_jump): Removed. Adjust users.
3676 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3677 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3678 Implement new hooks.
3679 (check_dead_notes1): New static function.
3680 (struct region): New fields: dont_calc_deps, has_real_ebb.
3681 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3682 (BB_TO_BLOCK): Fixed to handle EBBs.
3683 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3684 (ebb_head): New static variable.
3685 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3686 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3688 (compute_dom_prob_ps): New assertion.
3689 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3690 global_live_at_start.
3691 (init_ready_list): New assertions.
3692 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3693 (new_ready): Add support for BEGIN_CONTROL speculation.
3694 (schedule_insns): Fixed code that updates register live information
3696 (schedule_region): Fixed to handle EBBs.
3697 (init_regions): Use extend_regions and check_dead_notes1.
3698 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3699 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3700 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3701 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3702 TARGET_SCHED_GEN_CHECK,
3703 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3704 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3705 * doc/invoke.texi (max-sched-insn-conflict-delay,
3706 sched-spec-prob-cutoff): Document.
3708 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3710 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3711 inter_tick, queue_index.
3712 (struct sched_info): Change signature of init_ready_list field.
3713 Adjust all initializations.
3714 (RESOLVED_DEPS): New access macro.
3715 (ready_add): Remove prototype.
3716 (try_ready): Add prototype.
3717 * sched-rgn.c (init_ready_list): Use try_ready.
3718 (schedule_region): Initialize
3719 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3720 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3721 (init_ready_list): Use try_ready.
3722 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3723 * lists.c (remove_list_elem): Remove `static'.
3724 (remove_free_INSN_LIST_elem): New function.
3725 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3726 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3727 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3729 (readyp): New variable.
3730 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3731 change_queue_index, resolve_dep): New static functions.
3732 (try_ready): New function. Adjust callers in sched-rgn.c and
3733 sched-ebb.c to use it instead of ready_add.
3734 (clock_var): Move at the begining of file.
3735 (rank_for_schedule): Fix typo.
3736 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3737 (ready_lastpos): Enforce assertion.
3738 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3740 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3741 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3742 (queue_to_ready): Use free_INSN_LIST_list.
3743 (early_queue_to_ready): Fix typo.
3744 (schedule_block): Init readyp. Move init_ready_list call after the
3745 initialization of clock_var. Fix error in rejecting insn by
3746 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3747 that previously corrected INSN_TICKs. Add code for handling
3749 (set_priorities): Fix typo.
3750 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3751 Clarify comment and code that keeps current_sched_info->next_tail
3754 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3756 * sched-rgn.c (extend_rgns): New static function.
3757 (find_rgns): Use it.
3758 (gather_region_statistics, print_region_statistics): New static
3760 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3761 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3763 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3764 Andrey Belevantsev <abel@ispras.ru>
3766 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3767 * lists.c (unused_deps_list): New variable.
3768 (free_list): Add assertions to verify the proper distinguishing
3769 between INSN_LISTs and DEPS_LISTs.
3770 (find_list_elem, remove_list_elem, remove_list_node): New static
3772 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3773 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3774 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3775 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3777 (free_INSN_LIST_node): Likewise.
3778 * modulo-sched.c (current_sched_info): Initialize flags field.
3779 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3780 * rtl.def (DEPS_LIST): Define.
3781 * rtl.h: Declare new functions from lists.c.
3782 * sched-deps.c (spec_dependency_cache): New static variable.
3783 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3784 (add_dependence): Change return type to void. Move the logic to ...
3785 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3786 (delete_all_dependences): Add comment about forward_dependency_cache.
3787 Handle spec_dependency_cache. Handle DEPS_LISTs.
3788 (fixup_sched_groups): Clarify the change of priority of output
3789 and anti dependencies.
3790 (sched_analyze_2): Adjust add_dependence calls to create data
3791 speculative dependence.
3792 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3793 Adjust all callers. Handle DEPS_LISTS.
3794 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3795 presence of speculation.
3796 (init_dependency_caches, free_dependency_caches):
3797 Handle spec_dependency_cache.
3798 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3799 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3800 New static functions.
3801 (add_or_update_back_dep, add_or_update_back_forw_dep,
3802 add_back_forw_dep, delete_back_forw_dep): New functions.
3803 * sched-int.h (ds_t, dw_t): New typedefs.
3804 (struct sched_info): Add new field flags.
3805 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3806 Prototype new sched-deps.c functions.
3807 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3808 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3809 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3810 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3811 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3812 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3814 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3816 * sched-rgn.c (current_sched_info): Initialize flags field.
3817 (schedule_insns): Initialize current_sched_info before the sched_init
3819 * sched-ebb.c (current_sched_info): Initialize flags field.
3820 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3821 Call add_or_update_back_dep instead of add_dependence.
3822 Create control speculative dependencies.
3823 (schedule_insns): Initialize current_sched_info before the sched_init
3826 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3828 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3830 (sh_fallback_frame_state): Likewise.
3832 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3834 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3835 Do switch on default_use_cxa_atexit.
3836 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3837 * config/darwin-crt3.o: New.
3838 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3839 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3840 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3842 * config/rs6000/t-darwin: Move crt2.o building to here.
3843 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3844 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3847 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3849 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3850 from '! xxx' to '!xxx' for coding-style conformance.
3851 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3852 (EXTRA_CONSTRAINT): Likewise.
3853 * config/vax/vax.md (four unnamed insns): Likewise.
3855 2006-03-15 Paul Brook <paul@codesourcery.com>
3857 * config/arm/arm.c (minipool_pad): New.
3858 (add_minipool_forward_ref): Include pool alignment padding in address
3860 (push_minipool_fix): Set minipool_pad.
3861 (minipool_pad): Ditto.
3863 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3865 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3866 instead of GET_CODE() == MEM and REG_P() instead of
3868 (print_operand_address): Likewise.
3869 (vax_address_cost): Likewise.
3870 (vax_rtx_costs): Likewise.
3871 (vax_notice_update_cc): Likewise.
3872 (vax_output_int_add): Likewise.
3873 (INDEX_REGISTER_P): Likewise.
3874 (BASE_REGISTER_P): Likewise.
3875 (nonindexed_address_p): Likewise.
3876 (vax_mode_dependent_address_p): Likewise.
3877 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3878 (PRINT_OPERAND): Likewise.
3879 * config/vax/vax.md (ashlsi3): Likewise.
3880 (ashlsi3): Likewise.
3881 (some more unnamed insns): Likewise.
3883 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3885 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3886 iterator-style macro.
3887 (mark_control_dependent_edges_necessary): Update the use of
3888 EXECUTE_IF_CONTROL_DEPENDENT.
3890 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3892 * config/sh/predicates.md (cache_address_operand): Special.
3893 (ua_address_operand): Likewise.
3895 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3897 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3899 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3901 2006-03-15 Andreas Schwab <schwab@suse.de>
3903 * gensupport.c (identify_predicable_attribute): Don't free p_false
3904 when it is still in use.
3906 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3908 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3909 the default setting here.
3911 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3913 * tree-pass.h (pass_cfg): Remove.
3914 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3915 * passes.c (pass_cfg): Don't run it.
3917 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3919 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3920 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3922 (stack_regs_mentioned): Update the uses of
3923 stack_regs_mentioned_data. Don't access the array beyond its
3925 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3926 Don't include gt-reg-stack.h.
3928 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3929 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3931 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3934 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3937 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3939 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3941 2006-03-14 Richard Guenther <rguenther@suse.de>
3943 PR tree-optimization/26672
3944 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3947 2006-03-14 Richard Guenther <rguenther@suse.de>
3949 PR tree-optimization/26667
3950 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3951 node for the callees. Always allow inlining if it will shrink
3954 2006-03-14 Richard Guenther <rguenther@suse.de>
3957 * builtins.c (get_pointer_alignment): Prefer alignment
3958 information from decls over that from types.
3960 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3963 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3965 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3967 * config/rs6000/rs6000.opt (mdlmzb): New option.
3968 (msched-prolog, msched-epilog): Use Var not Mask.
3969 * doc/invoke.texi (-mdlmzb): Document.
3970 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3972 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3973 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3975 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3977 PR rtl-optimization/25739
3978 * bt-load.c (augment_live_range): Free tos pointer.
3980 * gensupport.c (identify_predicable_attribute): Free
3982 * gcov.c (create_file_names): Free name pointer.
3984 2006-03-13 Roger Sayle <roger@eyesopen.com>
3987 * stmt.c (emit_case_nodes): Handle the case where the index is a
3988 CONST_INT, where the comparison mode is specified by the index type.
3990 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3992 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3995 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3997 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3998 (*branch_fp_inverted): Likewise.
4000 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4003 * omp-low.c (expand_omp_for_generic): Mark istart0
4004 and iend0 as addressable.
4006 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4008 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4010 2006-03-13 Jeff Law <law@redhat.com>
4012 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4013 virtual operands are interesting.
4014 (vrp_visit_stmt): Corresponding changes.
4016 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4018 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4020 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4021 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4022 * config/bfin/crti.S: Use it instead of __PIC__.
4023 * config/bfin/crtn.S: Likewise.
4025 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
4026 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
4028 Lose 'G' modifier for call operand.
4029 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
4030 recognize 'G' modifier.
4032 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4035 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4036 * stmt.c (expand_case): Likewise.
4038 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4040 PR rtl-optimization/26254
4041 * loop-invariant.c (seq_insns_valid_p): New function.
4042 (move_invariant_reg): Only emit new code if it is valid.
4044 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4046 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
4048 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
4049 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
4050 (commit_one_edge_insertion): Do not look for loop notes.
4052 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4054 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4055 flag_test_coverage out of loop.
4057 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4059 * final.c (shorten_branches): Remove outdated comment, and turn
4060 the if branch that guards it to continue.
4062 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4064 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4065 * cfgloop.h (struct loop): Remove unused fields.
4067 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4069 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4070 (-dL, -fdump-rtl-loop2): Update the dump file names
4072 * doc/invoke.texi: Update dump file names.
4074 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4076 * predict.c (estimate_probability): Remove.
4077 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4078 * basic-block.h (estimate_probability): Remove prototype.
4079 * passes.c (finish_optimization_passes): Dump branch prediction or
4080 profiling heuristics to the .profile tree dump.
4081 (init_optimization_passes): Unqueue pass_branch_prob.
4083 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4085 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4087 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4088 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4090 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4092 * function.h (frame_offset_overflow): Declare.
4093 * function.c (frame_offset_overflow): New function.
4094 (assign_stack_local_1): Call it to detect that the offset overflows.
4095 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4097 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4099 * config/sh/sh.c: Include alloc-pool.h.
4100 (label_ref_list_pool): New alloc pool.
4101 (label_ref_list_t): New type for lists of labels.
4102 (struct pool_node): Make wend a label_ref_list_t.
4103 (add_constant): Use the new type, eradicate LABEL_NEXTREF
4105 (dump_table): Likewise.
4106 (sh_reorg): Set up the alloc pool before using add_constant and
4107 dump_table, and destroy it when finishing.
4109 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4111 * config/mips/mips.c: Remove redundant comment.
4113 2006-03-10 Jason Merrill <jason@redhat.com>
4116 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4117 the target was declared 'register'.
4119 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4121 * genpreds.c (write_insn_constraint_len): Change definition of
4122 insn_constraint_len to return size_t to match the declaration.
4124 2006-03-10 DJ Delorie <dj@redhat.com>
4126 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4128 (m32c_expand_insv): Fix test for an AND mask.
4130 2006-03-10 Richard Guenther <rguenther@suse.de>
4133 * builtins.c (get_pointer_alignment): Handle component
4134 references for field alignment.
4136 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4138 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4139 when building with libgloss.
4140 (sh*elf): Implement --without-fp option.
4141 (sh64-superh-linux*): Don't multilib.
4143 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4145 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4147 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4149 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4150 Set it when one of the replacement functions returned true.
4151 Return TODO_cleanup_cfg if cfgchanged is true.
4152 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4154 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4156 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4157 instead of gen_lowpart.
4159 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4161 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4163 (mips_output_order_conditional_branch): Declare.
4164 * config/mips/mips.h (MIPS_BRANCH): New macro.
4165 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4166 for the comparison. Use gen_condjump.
4167 (mips_output_conditional_branch): Rework interface to take the
4168 asm templates for a direct branch and the inverse of a direct branch.
4169 (mips_output_order_conditional_branch): New function.
4170 (mips_builtin_branch_and_move): New function.
4171 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4172 branch condition. Use gen_single_cc as the condition for
4173 __builtin_mips_upper_* or __builtin_mips_lower_*.
4174 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4175 Use VOIDmode for the branch condition.
4176 * config/mips/predicates.md (order_operator): New predicate.
4177 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4178 (branch_fp): Rename to...
4179 (*branch_fp): ...this. Remove mode from comparison operator.
4180 Use new mips_output_conditional_branch interface.
4181 (branch_fp_inverted): Rename to...
4182 (*branch_fp_inverted): ...this and update as for *branch_fp.
4183 (*branch_zero<mode>): Rename to...
4184 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4185 Use mips_output_order_conditional_branch. Only accept ordered
4187 (*branch_zero<mode>_inverted): Rename to...
4188 (*branch_order<mode>_inverted): ...this and update as for
4189 *branch_order<mode>.
4190 (*branch_equality<mode>): Accept zero as the second operand to
4191 the equality operator. Use the new mips_output_conditional_branch
4193 (*branch_equality<mode>_inverted): Likewise.
4194 (condjump): New expander.
4195 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
4197 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
4198 (bc1any2t, bc1any2f): Likewise.
4199 (single_cc): New expander.
4200 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4202 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4204 * doc/md.texi: Update documentation of MIPS constraints.
4205 * config/mips/constraints.md: New file.
4206 * config/mips/mips.md: Include it.
4207 * config/mips/mips.c (mips_char_to_class): Delete.
4208 (override_options): Don't initialize mips_char_to_class.
4209 * config/mips/mips.h (mips_char_to_class): Delete.
4210 (REG_CLASS_FROM_LETTER): Delete.
4211 (CONST_OK_FOR_LETTER_P): Delete.
4212 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4213 (EXTRA_CONSTRAINT_Y): Delete.
4214 (EXTRA_CONSTRAINT_STR): Delete.
4215 (CONSTRAINT_LEN): Delete.
4216 (EXTRA_MEMORY_CONSTRAINT): Delete.
4218 2006-03-09 Diego Novillo <dnovillo@redhat.com>
4220 * tree-cfg.c (move_block_to_fn): Remove the statements from the
4221 original fn's eh regions.
4223 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
4225 * fold-const.c (build_range_check): Make sure to use a valid type to
4226 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
4229 (range_predecessor): New static function.
4230 (range_successor): Likewise.
4231 (merge_ranges): Use them to compute predecessors and successors of
4234 2006-03-09 Roger Sayle <roger@eyesopen.com>
4237 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
4238 X op C3, consider whether C3 overflows towards +Inf or -Inf.
4240 2006-03-08 DJ Delorie <dj@redhat.com>
4242 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4243 (addpsi3): Expand to include memory operands. Remove
4244 reload-specific splits.
4245 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4246 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4247 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4248 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4249 (shift1_qi, shift1_hi, insv): New.
4250 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4251 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4252 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4254 * config/m32c/m32c-protos.h: Update as needed.
4255 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4256 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4257 Fail for unrecognized R* constraints.
4258 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4259 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4260 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4262 (m32c_init_libfuncs): New.
4263 (m32c_legitimate_address_p): Add debug wrapper.
4264 (m32c_rtx_costs): New.
4265 (m32c_address_cost): New.
4266 (conversions): Add 'B' prefix.
4267 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4268 operands, or word regnames for QI operands. 'B' prints bit
4270 (m32c_expand_setmemhi): New.
4271 (m32c_expand_movmemhi): New.
4272 (m32c_expand_movstr): New.
4273 (m32c_expand_cmpstr): New.
4274 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4275 (m32c_expand_neg_mulpsi3): Handle non-ints.
4276 (m32c_cmp_flg_0): New.
4277 (m32c_expand_movcc): New.
4278 (m32c_expand_insv): New.
4279 (m32c_scc_pattern): New.
4280 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4281 a0/a1 out of SIregs.
4282 (STORE_FLAG_VALUE): New.
4283 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4286 * config/m32c/mov.md: Make constraints more liberal.
4287 (zero_extendqihi2): Optimize r0/r1 case.
4288 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4289 * config/m32c/predicates.md (m32c_any_operand): New.
4290 (m32c_nonimmediate_operand): New.
4291 (m32c_hl_operand): New.
4292 (m32c_r3_operand): New.
4295 (memsym_operand): New.
4296 (memimmed_operand): New.
4297 (a_qi_operand): New.
4298 (m32c_eqne_operator): New.
4299 (m32c_1bit8_operand): New.
4300 (m32c_1bit16_operand): New.
4301 (m32c_1mask8_operand): New.
4302 (m32c_1mask16_operand): New.
4303 * config/m32c/blkmov.md: New file.
4304 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4306 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4308 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4309 unsigned to fix signed/unsigned comparison issue in
4310 DWARF2_FRAME_REG_OUT.
4311 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4312 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4314 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4315 of ptr into the ENABLE_CHECKING section.
4317 2006-03-08 Jeff Law <law@redhat.com>
4319 * tree-vrp.c (infer_value_range): Only count pointer uses
4320 and dereferences if -fdelete-null-pointer-checks is enabled.
4322 * tree-vrp.c (find_assert_locations): Infer value ranges for
4323 single use pointers, but do not create ASSERT_EXPRs for them.
4324 When a non-null range is inferred for a pointer, backwards
4325 propagate that range to other equivalent pointers through the
4328 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4331 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4332 language hook targets.
4333 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4334 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4335 if language hook targets were missing.
4337 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4339 * tree-ssa-opfinalize.h: Removed.
4340 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4342 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4343 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4344 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4345 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4346 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4347 finalize_ssa_v_must_def_ops): New.
4349 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4351 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4354 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4356 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4358 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4359 addresses with offsets; reorganize.
4361 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4362 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4363 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4365 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4368 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4370 2006-03-08 Ben Elliston <bje@au.ibm.com>
4372 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4374 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4377 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4380 2006-03-07 Richard Guenther <rguenther@suse.de>
4382 PR tree-optimization/26587
4383 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4385 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4387 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4389 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4391 * hooks.c (hook_bool_mode_rtx_true): New function.
4392 * hooks.h (hook_bool_mode_rtx_true): Declare.
4393 * toplev.c (compile_file): Call output_shared_constant_pool.
4394 * varasm.c (shared_constant_pool): New variable.
4395 (assemble_start_function, assemble_end_function): Remove arguments
4396 from call to output_constant_pool.
4397 (create_constant_pool): New function, split out from...
4398 (init_varasm_status): ...here.
4399 (force_const_mem): Choose between the shared and per-function constant
4400 pools. Set current_function_uses_const_pool when reusing old entries
4401 as well as when creating new ones.
4402 (mark_constant): Ignore data argument.
4403 (mark_constants): Remove pool argument.
4404 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4405 to decide whether the function uses a constant pool.
4406 (output_constant_pool_contents): New function, split out from...
4407 (output_constant_pool): ...here.
4408 (output_shared_constant_pool): New function.
4409 (init_varasm_once): Initialize shared_constant_pool.
4410 * output.h (output_constant_pool): Delete.
4411 (output_shared_constant_pool): Declare.
4412 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4413 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4415 2006-03-06 Nick Clifton <nickc@redhat.com>
4417 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4418 flag_strength_reduce.
4420 2006-03-06 Ben Elliston <bje@au.ibm.com>
4422 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4423 x86_64-*-linux* configurations.
4425 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4426 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4428 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4430 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4432 * basic-block.h: Remove the extern for
4433 rediscover_loops_after_threading.
4435 * cfgloop.c (cancel_loop): Make it static.
4436 * cfgloop.h: Remove the prototype for cancel_loop.
4438 * flow.c (recompute_reg_usage): Make it static.
4439 * rtl.h: Remove the prototype for recompute_reg_usage.
4441 * function.c (use_return_register): Make it static.
4442 * function.h: Remove the prototype.
4444 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4446 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4448 * recog.h: Remove the prototype for
4449 validate_change_maybe_volatile.
4451 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4453 * rtlanal.c (replace_reg): Remove.
4454 * rtl.h: Remove the prototype for replace_reg.
4456 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4458 * regclass.c (reg_scan_update): Remove.
4459 (reg_scan_mark_refs): Remove the last argument.
4460 * rtl.h: Remove the prototype for reg_scan_update.
4462 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4464 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4465 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4466 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4467 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4468 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4469 loop-invariant.c, omp-low.c, opts.c, passes.c,
4470 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4471 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4472 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4473 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4474 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4475 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4477 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4479 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4480 * dwarf2out.h: Remove the prototype for
4481 dwarf2out_add_library_unit_info.
4483 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4485 * tree.c (add_var_to_bind_expr): Remove.
4486 * tree.h: Remove the prototype for add_var_to_bind_expr.
4488 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4490 * regclass.c (n_non_fixed_regs): Remove.
4491 (init_reg_sets_1, globalize_reg): Remove all uses of
4493 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4495 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4497 * rtlanal.c (insns_safe_to_move_p): Remove.
4498 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4500 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4502 * expmed.c (expand_mult_add): Remove.
4503 * expr.h: Remove the prototype for expand_mult_add.
4505 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4507 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4508 and REG_SAVED_VAL_EXP constants.
4509 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4510 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4511 Handle regs stored by value.
4512 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4513 (execute_cfa_program): Handle DW_CFA_val_offset,
4514 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4515 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4516 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4517 (uw_install_context_1): Handle target regs stored by value.
4519 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4521 * tree-sra.c (tree_sra): Return todoflags;
4522 (generate_one_element): Set TODO_update_smt_usage if needed.
4523 (pass_sra): Remove TODO_update_smt_usage.
4524 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4526 (tree_ssa_forward_propagate_single_use_vars): Return
4527 TODO_update_smt_usage if we need to update SMT usage.
4528 (pass_forwprop): Remove TODO_update_smt_usage.
4530 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4532 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4533 (correct_use_link): Remove reference to get_stmt_operands.
4534 (update_stmt_operands): Likewise.
4535 (get_modify_expr_operands): New function factored out of
4536 parse_ssa_operands and get_expr_operands.
4537 Try to create V_MUST_DEFs for LHS by default.
4538 (get_expr_operands) <case MODIFY_EXPR>: Call
4539 get_modify_expr_operands.
4540 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4541 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4542 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4543 get_modify_expr_operands.
4545 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4547 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4548 * tree-flow.h: Remove the prototype for
4549 referenced_var_lookup_if_exists.
4551 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4553 PR rtl-optimization/26345
4555 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4557 2006-03-03 Roger Sayle <roger@eyesopen.com>
4559 PR tree-optimization/26524
4560 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4561 fold_convert to create a constant of the appropriate type.
4563 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4565 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4566 SYMBOL_REF_IN_BLOCK_P.
4567 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4568 of SYMBOL_FLAG_IN_BLOCK.
4569 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4570 instead of SYMBOL_REF_IN_BLOCK_P.
4571 * explow.c (use_anchored_address): Likewise.
4572 * rtl.c (rtx_size): Likewise.
4573 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4574 instead of SYMBOL_FLAG_IN_BLOCK.
4575 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4576 SYMBOL_REF_IN_BLOCK_P.
4577 (assemble_variable): Likewise.
4578 (output_constant_def_contents): Likewise.
4579 (output_constant_pool): Likewise.
4580 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4581 instead of SYMBOL_FLAG_IN_BLOCK.
4582 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4583 SYMBOL_REF_IN_BLOCK_P.
4584 (SYMBOL_REF_BLOCK): Likewise.
4585 (SYMBOL_REF_OFFSET): Likewise.
4586 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4587 SYMBOL_REF_IN_BLOCK_P.
4588 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4589 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4590 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4591 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4593 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4595 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4597 2006-03-02 Roger Sayle <roger@eyesopen.com>
4599 * simplify-rtx.c (simplify_unary_operation): When simplifying
4600 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4601 that we perform the right shift in the appropriate mode, and
4602 then extend or truncate the result to requested mode.
4604 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4606 * gengtype.c (main): Handle double_int type.
4607 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4608 * double-int.c: New file.
4609 * double-int.h: New file.
4610 * system.h: Include doubleint.h.
4611 * Makefile.in (SYSTEM_H): Include double-int.h.
4612 (double-int.o): Add.
4614 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4617 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4620 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4622 * tree-vrp.c (remove_range_assertions): Do not update statements
4625 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4627 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4629 * gcse.c (rest_of_handle_gcse): Ditto.
4630 * except.c (gate_handle_eh): Ditto.
4631 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4632 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4634 2006-03-02 Eric Christopher <echristo@apple.com>
4636 * config/i386/i386.c (machopic_output_stub): Add indirection to
4639 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4643 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4645 Sun Niagara specific optimizations.
4646 * config.gcc: Recognize niagara as target.
4647 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4648 (TARGET_CPU_niagara): Define.
4649 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4650 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4651 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4652 (ASM_CPU_SPEC): Likewise.
4653 (PROCESSOR_NIAGARA): New enum entry.
4654 (REGISTER_MOVE_COST): Handle Niagara.
4655 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4656 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4657 (sparc_override_options): Recognize "niagara", set appropriate
4658 default MASK_* values for it, and align functions to 32-bytes
4659 by default just like ULTRASPARC/ULTRASPARC3.
4660 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4661 (sparc64_initialize_trampoline): Likewise.
4662 (sparc_use_sched_lookahead): Use zero for niagara.
4663 (sparc_issue_rate): Use one for niagara.
4664 * config/sparc/niagara.md: New file.
4665 * config/sparc/sparc.md: Include it.
4666 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4667 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4668 when default cpu is niagara.
4669 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4670 (ASM_CPU_SPEC): Likewise.
4671 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4672 when default cpu is niagara.
4673 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4674 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4675 just like v9/ultrasparc/ultrasparc3.
4676 * doc/invoke.texi: Add documentation for "niagara" and improve
4677 existing documentation for ultrasparc variants.
4679 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4681 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4683 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4685 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4686 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4687 and say that only one is needed.
4688 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4689 * target.h (have_switchable_bss_sections): New hook.
4690 * explow.c (use_anchored_address): Check that the symbol is in a block.
4691 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4692 (bss_noswitch_section): New variables.
4693 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4694 (get_noswitch_section): New function.
4695 (get_block_for_section): Allow SECT to be null.
4696 (unlikely_text_section_p): Use SECTION_STYLE.
4697 (bss_initializer_p): New function.
4698 (get_variable_section): Move earlier in file. Take a new argument,
4699 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4700 Return one of the new *_sections in such cases.
4701 (get_block_for_decl): New function, extracting some logic from
4702 use_blocks_for_decl_p.
4703 (change_symbol_section): Remove in favor of...
4704 (change_symbol_block): ...this new function.
4705 (use_blocks_for_decl_p): Remove checks now performed by
4707 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4708 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4709 (emit_local, emit_bss, emit_common): ...these new functions.
4710 Return true if the alignment was honored.
4711 (emit_tls_common): New function.
4712 (asm_emit_uninitialised): Delete.
4713 (assemble_variable_noswitch): New function, split out from...
4714 (assemble_variable): ...here. Don't make decisions about common
4715 variables here. Globalize all public decls that go into non-common
4716 sections. Check whether SYMBOL_REF_BLOCK is null.
4717 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4718 (output_constant_pool): Likewise.
4719 (init_varasm_once): Initialize the new section variables.
4720 (have_global_bss_p): New function.
4721 (categorize_decl_for_section): Use bss_initializer_p.
4722 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4723 (place_block_symbol): Assert that the symbol must be in a block.
4724 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4725 (TARGET_INITIALIZER): Include it.
4726 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4727 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4728 (SECTION_MACH_DEP): Bump by two.
4729 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4730 (unnamed_section): Mention SECTION_UNNAMED in comment.
4731 (named_section): Likewise SECTION_NAMED.
4732 (noswitch_section_callback): New type.
4733 (noswitch_section): New structure.
4734 (section): Add a noswitch_section alternative.
4735 (SECTION_STYLE): New macro.
4736 (tls_comm_section, comm_section, lcomm_section): Declare.
4737 (bss_noswitch_section, have_global_bss_p): Declare.
4738 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4739 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4741 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4742 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4745 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4747 * gcc/tree-vrp.c (execute_vrp): Return value.
4748 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4749 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4750 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4751 (tree_lower_complex_O0): Ditto.
4752 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4753 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4754 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4755 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4756 (execute_tail_calls): Ditto.
4757 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4758 * gcc/tree.h (init_function_for_compilation): Ditto.
4759 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4760 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4761 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4762 * gcc/final.c (compute_alignments): Ditto.
4763 (rest_of_handle_final): Ditto.
4764 (rest_of_handle_shorten_branches): Ditto.
4765 (rest_of_clean_state): Ditto.
4766 * gcc/omp-low.c (execute_expand_omp): Ditto.
4767 (execute_lower_omp): Ditto.
4768 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4769 * gcc/ipa-reference.c (static_execute): Ditto.
4770 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4771 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4772 (rest_of_handle_machine_reorg): Ditto.
4773 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4774 * gcc/flow.c (recompute_reg_usage): Ditto.
4775 (rest_of_handle_remove_death_notes): Ditto.
4776 (rest_of_handle_life): Ditto.
4777 (rest_of_handle_flow2): Ditto.
4778 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4779 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4780 (do_ssa_store_ccp): Ditto.
4781 (execute_fold_all_builtins): Ditto.
4782 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4783 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4784 * gcc/ipa-pure-const.c (static_execute): Ditto.
4785 * gcc/cse.c (rest_of_handle_cse): Ditto.
4786 (rest_of_handle_cse2): Ditto.
4787 * gcc/web.c (rest_of_handle_web): Ditto.
4788 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4789 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4790 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4791 * gcc/tree-nrv.c (tree_nrv): Ditto.
4792 (execute_return_slot_opt): Ditto.
4793 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4794 (create_structure_vars): Ditto.
4795 * gcc/loop-init.c (rtl_loop_init): Ditto.
4796 (rtl_loop_done): Ditto.
4797 (rtl_move_loop_invariants): Ditto.
4798 (rtl_unswitch): Ditto.
4799 (rtl_unroll_and_peel_loops): Ditto.
4800 (rtl_doloop): Ditto.
4801 * gcc/gimple-low.c (lower_function_body): Ditto.
4802 (mark_used_blocks): Ditto.
4803 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4804 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4805 (cgraph_early_inlining): Ditto.
4806 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4807 * gcc/jump.c (cleanup_barriers): Ditto.
4808 (purge_line_number_notes): Ditto.
4809 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4810 (rest_of_handle_if_after_reload): Ditto.
4811 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4812 (tree_ssa_loop_im): Ditto.
4813 (tree_ssa_loop_unswitch): Ditto.
4814 (tree_vectorize): Ditto.
4815 (tree_linear_transform): Ditto.
4816 (tree_ssa_loop_ivcanon): Ditto.
4817 (tree_ssa_empty_loop): Ditto.
4818 (tree_ssa_loop_bounds): Ditto.
4819 (tree_complete_unroll): Ditto.
4820 (tree_ssa_loop_prefetch): Ditto.
4821 (tree_ssa_loop_ivopts): Ditto.
4822 (tree_ssa_loop_done): Ditto.
4823 * gcc/predict.c (tree_estimate_probability): Ditto.
4824 * gcc/recog.c (split_all_insns_noflow): Ditto.
4825 (rest_of_handle_peephole2): Ditto.
4826 (rest_of_handle_split_all_insns): Ditto.
4827 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4828 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4829 (rest_of_handle_stack_adjustments): Ditto.
4830 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4831 * gcc/function.c (instantiate_virtual_regs): Ditto.
4832 (init_function_for_compilation): Ditto.
4833 (rest_of_handle_check_leaf_regs): Ditto.
4834 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4835 (rest_of_handle_gcse): Ditto.
4836 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4837 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4838 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4839 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4840 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4841 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4842 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4843 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4844 * gcc/except.c (set_nothrow_function_flags): Ditto.
4845 (convert_to_eh_region_ranges): Ditto.
4846 (rest_of_handle_eh): Ditto.
4847 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4848 (remove_unnecessary_notes): Ditto.
4849 * gcc/except.h (set_nothrow_function_flags): Ditto.
4850 (convert_to_eh_region_ranges): Ditto.
4851 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4852 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4853 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4854 (execute_fre): Ditto.
4855 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4856 (rest_of_handle_jump2): Ditto.
4857 * gcc/tree-sra.c (tree_sra): Ditto.
4858 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4859 (execute_mudflap_function_decls): Ditto.
4860 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4861 (do_store_copy_prop): Ditto.
4862 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4863 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4864 * gcc/tree-ssa-forwprop.c
4865 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4866 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4867 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4868 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4869 (execute_late_warn_uninitialized): Ditto.
4870 * gcc/rtl.h (cleanup_barriers): Ditto.
4871 (split_all_insns_noflow): Ditto.
4872 (purge_line_number_notes): Ditto.
4873 (unshare_all_rtl): Ditto.
4874 (remove_unnecessary_notes): Ditto.
4875 (recompute_reg_usage): Ditto.
4876 (variable_tracking_main): Ditto.
4877 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4878 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4879 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4880 (execute_free_cfg_annotations): Ditto.
4881 (execute_fixup_cfg): Ditto.
4882 (execute_cleanup_cfg_pre_ipa): Ditto.
4883 (execute_cleanup_cfg_post_optimizing): Ditto.
4884 (execute_init_datastructures): Ditto.
4885 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4886 * gcc/combine.c (rest_of_handle_combine): Ditto.
4887 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4888 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4889 (rest_of_handle_reorder_blocks): Ditto.
4890 (rest_of_handle_partition_blocks): Ditto.
4891 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4892 * gcc/tree-profile.c (tree_profiling): Ditto.
4893 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4894 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4895 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4896 (rest_of_handle_sched2): Ditto.
4897 * gcc/basic-block.h (free_bb_insn): Ditto.
4898 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4899 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4900 (remove_useless_stmts): Ditto.
4901 (split_critical_edges): Ditto.
4902 (execute_warn_function_return): Ditto.
4903 (execute_warn_function_noreturn): Ditto.
4904 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4905 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4906 * gcc/passes.c (execute_one_pass): Run additional
4907 todos returned by execute function.
4908 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4911 2006-03-02 Richard Guenther <rguenther@suse.de>
4913 * tree-ssa-alias.c (find_used_portions): Consider taking
4914 the address as making the variable not write-only.
4916 2006-03-02 Nick Clifton <nickc@redhat.com>
4918 * config.gcc (default_use_cxa_atexit): Extend the description of
4919 this configure variable. Set its default value to "yes" for
4920 Linux, NetBSD and ELF targets on the assumption that they will
4921 use C libraries with the __cxa_atexit function.
4923 2006-03-02 Ben Elliston <bje@au.ibm.com>
4925 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4926 parameter as unused to suppress a build warning.
4928 2006-03-02 Ben Elliston <bje@au.ibm.com>
4930 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4933 2006-03-01 Roger Sayle <roger@eyesopen.com>
4936 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4937 declared name, the weak reference name, and the typeof name.
4938 (__gthrw): Avoid expanding the declared name suffix.
4939 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4941 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4943 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4945 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4946 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4947 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4948 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4949 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4950 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4951 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4952 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4953 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4954 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4955 (DW_END_default, DW_END_big, DW_END_little): New.
4956 (DW_END_lo_user, DW_END_hi_user): Define.
4957 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4958 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4959 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4962 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4964 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4966 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4968 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4970 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4972 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4973 to 'symbol_mem_tag'.
4975 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4978 2006-03-01 Roger Sayle <roger@eyesopen.com>
4980 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4982 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4985 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4986 MACHO_DYNAMIC_NO_PIC_P.
4987 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4989 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4992 * config/darwin-protos.h (darwin_asm_output_anchor):
4994 * config/darwin-sections.def (cstring_section):
4995 Add SECTION_MERGE to the flags.
4996 (literal4_section): Likewise.
4997 (literal8_section): Likewise.
4998 (objc_selector_refs_section): Likewise.
4999 (objc_cls_refs_section): Likewise.
5000 * config/darwin.c (darwin_asm_output_anchor): New
5002 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5004 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5006 Fix PR tree-optimization/26443
5007 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5008 to todo and PROP_tmt_usage to properties_destroyed.
5009 * tree-ssa-ccp.c (pass_ccp): Ditto.
5010 (pass_store_ccp): Ditto.
5011 * tree-ssa-dom.c (pass_dominator): Ditto.
5013 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5015 * tree-ssa-operands.c: Cleanup whitespace.
5016 (get_asm_expr_operands): Move before first invocation.
5017 (get_indirect_ref_operands): Likewise.
5018 (get_tmr_operands): Likewise.
5019 (get_call_expr_operands): Likewise.
5020 (append_def): Likewise.
5021 (append_use): Likewise.
5022 (append_v_may_def): Likewise.
5023 (append_v_must_def): Likewise.
5024 (add_call_clobber_ops): Likewise.
5025 (add_call_read_ops): Likewise.
5026 (add_stmt_operand): Likewise.
5027 (add_virtual_operand): Likewise.
5028 (build_ssa_operands): Likewise.
5030 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5035 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5036 with a call expr to ...
5037 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5039 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5041 * tree-vrp.c (extract_range_from_assert): Remove special
5042 handling for types with super-types.
5044 2006-03-01 Ben Elliston <bje@au.ibm.com>
5046 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
5047 and powerpc64-*-linux* configurations.
5048 * config/t-dfprules: New file.
5050 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
5051 Compile dfp-bit.c from the source directory using -DWIDTH and
5052 $DFP_CFLAGS to control the compilation of that file, rather than
5053 generating width-specific versions in the build directory.
5054 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5055 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5057 2006-02-28 Zack Weinberg <zackw@panix.com>
5059 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5062 2006-02-28 Eric Christopher <echristo@apple.com>
5064 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5065 Set up IN_LIBGCC definition of TARGET_64BIT.
5066 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5068 2006-02-28 Roger Sayle <roger@eyesopen.com>
5071 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5072 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5073 cases via the construction of "expr != 0".
5075 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5077 * alias.c (alias_invariant, alias_invariant_size): Remove.
5078 (record_base_value): Remove.
5079 (memrefs_conflict_p): Don't look at alias_invariant.
5080 (end_alias_analysis): Don't free it.
5081 * alias.h (record_base_value): Remove prototype.
5083 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5084 Adam Nemet <anemet@caviumnetworks.com>
5086 * rtl.h (truncated_to_mode): Declare it.
5087 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5088 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5089 (RTL_HOOKS_INITIALIZER): Include it.
5090 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5091 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5092 reg_truncated_to_mode.
5093 * rtlanal.c (truncated_to_mode): Define it.
5094 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5096 2006-02-28 Jeff Law <law@redhat.com>
5098 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
5099 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5100 the range allowed by TYPE_PRECISION.
5102 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
5104 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
5106 PR tree-optimization/26419
5107 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
5110 2006-02-27 Zack Weinberg <zackw@panix.com>
5112 * doc/md.texi: Fix typo in previous change.
5114 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5118 2006-02-27 Zack Weinberg <zackw@panix.com>
5120 * rtl.def (define_constraint, define_register_constraint)
5121 (define_memory_constraint, define_address_constraint): New MD forms.
5122 * gensupport.c (process_rtx): Put define_constraint etc on the
5124 * genpreds.c (process_define_predicate): Adjust comment. Validate
5125 the name, and call validate_exp to validate the expression.
5126 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5127 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5128 all callers changed.
5129 (validate_exp, needs_variable, struct constraint_data)
5130 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5131 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5132 (const_dbl_constraints, constraint_max_namelen)
5133 (have_register_constraints, have_memory_constraints)
5134 (have_address_constraints, have_address_constraints)
5135 (have_extra_constraints, have_const_int_constraints)
5136 (have_const_dbl_constraints, mangle, add_constraint)
5137 (process_define_constraint, process_define_register_constraint)
5138 (write_enum_constraint_num, write_lookup_constraint)
5139 (write_insn_constraint_len, write_regclass_for_constraint)
5140 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5141 (write_insn_extra_memory_constraint)
5142 (write_insn_extra_address_constraint)
5143 (write_satisfies_constraint_fns): New.
5144 (write_tm_preds_h): If we have new-style constraint definitions,
5145 prototype the functions generated from them, and define the
5146 old constraint interface (still used by generic code) in terms of
5148 (write_insn_preds_c): If we have new-style constraint definitions,
5149 generate all relevant functions from those definitions.
5150 (main): Handle define_constraint etc.
5151 * genoutput.c (struct constraint_data, indep_constraints)
5152 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5153 (mdep_constraint_len): New data structures and functions, defined
5154 #ifdef USE_MD_CONSTRAINTS.
5155 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5156 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5157 use new logic to validate operand constraints against constraint
5159 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5161 * defaults.h: If none of the old-style constraint macros are
5162 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5163 old-style macros; and poison REG_CLASS_FROM_LETTER,
5164 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5166 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5167 * doc/md.texi: Document new constraint-definition mechanism and the
5168 C interface it provides. Remove references to old mechanism
5169 elsewhere in the document.
5170 (Machine Constraints): Use pathnames relative to gcc directory,
5171 i.e. config/ARCH/FILE. Change i386 section to refer to
5172 config/i386/predicates.md; update that section to match docstrings.
5173 * doc/tm.texi: Move all documentation of the old constraint-
5174 definition macros to their own section, clearly mark as obsolete.
5176 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5177 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5179 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5180 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5181 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5183 (splits and peepholes): Use satisfies_constraint_*.
5184 * config/i386/i386.c (memory_address_length)
5185 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5187 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5189 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5190 scalar operation to be put back into the loop.
5192 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5195 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5196 (extract_cie_info): Handle S flag in augmentation string.
5197 (execute_cfa_program): If context->signal_frame, execute also
5198 fs->pc == context->ra instructions.
5199 (uw_frame_state_for): If context->signal_frame, don't subtract one
5200 from context->ra to find FDE.
5201 (uw_update_context_1): Set context->signal_frame to
5203 (_Unwind_GetIPInfo): New function.
5204 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5205 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5207 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5208 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
5209 * unwind-compat.c (_Unwind_GetIPInfo): New function.
5210 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
5211 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
5212 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
5213 * config/i386/linux-unwind.h (x86_fallback_frame_state,
5214 x86_64_fallback_frame_state): Set fs->signal_frame.
5215 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
5216 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
5217 (frob_update_context): Likewise. Workaround missing S flag in
5218 Linux 2.6.12 - 2.6.16 kernel vDSOs.
5219 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
5220 Remove the psw_addr + 1 hack.
5222 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5224 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
5225 with aggregates here.
5226 (find_func_aliases): Remove code for &<aggregate> from here.
5228 2006-02-26 Roger Sayle <roger@eyesopen.com>
5230 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
5231 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
5232 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
5235 2006-02-26 Roger Sayle <roger@eyesopen.com>
5238 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
5240 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
5242 * opts.c (decode_options): Do not handle flag_strength_reduce.
5243 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
5244 and OPT_fstrength_reduce.
5245 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5246 flag_prefetch_loop_arrays for being nonzero.
5247 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5249 (fprefetch-loop-arrays-rtl): Removed.
5250 (flag_prefetch_loop_arrays): Do not specify the value.
5252 * doc/passes.texi: Update documentation of loop optimizer
5254 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5255 -frerun-loop-opt): Remove.
5257 2006-02-26 Richard Guenther <rguenther@suse.de>
5259 PR tree-optimization/26421
5260 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5261 in function calls that are ADDR_EXPRs as using the whole structure.
5263 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5265 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5266 * tree-pass.h (pass_loop_optimize): Remove.
5267 * passes.c (pass_loop_optimize): Never run it.
5268 * toplev.c (backend_init): Don't call init_loop.
5269 * opts.c (flag_loop_optimize_set): Remove.
5270 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5271 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5272 the old RTL loop optimizer when profiling enabled.
5273 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5274 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5275 pre-headers for the sake of the old RTL loop optimizer.
5276 * Makefile.in: Remove all references to loop.o.
5278 * doc/invoke.texi: Remove all references to -floop-optimize
5279 and -frerun-loop-opt.
5281 2006-02-26 Zack Weinberg <zackw@panix.com>
5283 * doc/md.texi (Machine Constraints): Refer to all files with paths
5284 relative to gcc directory (i.e. config/CPU/file). Add missing
5285 @table @code ... @end table to M32C subsection.
5287 2006-02-26 Roger Sayle <roger@eyesopen.com>
5289 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5291 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5293 2006-02-26 Roger Sayle <roger@eyesopen.com>
5294 James A. Morrison <phython@gcc.gnu.org>
5297 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5298 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5299 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5300 signedness of the shift operation.
5302 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5304 PR tree-optimization/26359
5305 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5307 2006-02-25 Roger Sayle <roger@eyesopen.com>
5309 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5310 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5311 as X == 0, and some symmetry related transformations.
5312 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5314 2006-02-25 Roger Sayle <roger@eyesopen.com>
5317 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5318 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5319 symmetry related transformations. Fold (X^C1) == C2 as
5322 2006-02-25 Juergen Weigert <jw@suse.de>
5323 Richard Guenther <rguenther@suse.de>
5325 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5327 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5329 * combine.c (gen_lowpart_or_truncate): Call
5330 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5332 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5334 * doc/invoke.texi: Move -fopenmp description to "Options for
5336 Remove reference to -lgomp.
5338 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5340 * doc/install.texi: Require GNU tar version 1.14.
5342 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5344 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5345 * doc/invoke.texi (C++ Dialect Options): Document
5346 -fno-use-cxa-get-exception-ptr.
5347 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5348 * configure: Regenerate.
5349 * c.opt (fuse-cxa-get-exception-ptr): New.
5350 * c-opts.c (c_common_handle_option): Handle
5351 OPT_fuse_cxa_get_exception_ptr.
5352 * c-common.c (flag_use_cxa_atexit): Update documentation.
5353 (flag_use_cxa_get_exception_ptr): New.
5354 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5355 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5357 (C_COMMON_OVERRIDE_OPTIONS): New.
5359 2006-02-24 Roger Sayle <roger@eyesopen.com>
5362 * combine.c (try_combine): Explicitly check whether GET_CODE is
5363 a SET or a CLOBBER, instead on checking that it isn't a USE.
5365 2006-02-24 Roger Sayle <roger@eyesopen.com>
5367 * fold-const.c (fold_comparison): New subroutine of fold_binary
5368 containing transformations common to both the equality and
5369 ordering relational operators, factored out of fold_binary.
5370 (fold_binary): Separate out the equality operators (EQ_EXPR
5371 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5372 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5373 transformations common to both.
5374 (fold_div_compare): Fix latent bugs in the previously unreachable
5375 LT_EXPR and GE_EXPR cases.
5377 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5379 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5380 decl libname for clog to __clog on AIX.
5382 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5384 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5387 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5388 output traceback table for thunks. Localise rs6000_stack_info call.
5390 2006-02-23 Roger Sayle <roger@eyesopen.com>
5391 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5393 * gthr-posix.h (__gthrw): Fix typo in comment.
5395 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5397 * doc/cpp.texi (Character sets): Document that we do support
5398 input files to be in any character set.
5400 2006-02-23 Jeff Law <law@redhat.com>
5402 * tree.h (PHI_ARG_NONZERO): Remove.
5403 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5404 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5405 node to the new node.
5407 PR tree-optimization/26425
5408 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5409 min/max, then assume its varying.
5411 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5413 PR rtl-optimization/26316
5414 * rtlanal.c (enum may_trap_p_flags): New.
5415 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5416 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5417 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5418 (may_trap_after_code_motion_p): New function.
5419 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5420 (find_invariant_insn): Use may_trap_after_code_motion_p.
5421 * rtl.h (may_trap_after_code_motion_p): Declare.
5423 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5425 * emit-rtl.c (immed_double_const): Cleanup.
5427 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5429 Fix PR tree-optimization/26376
5430 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5433 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5436 * gimplify.c (omp_add_variable): Guard variable size decl test with
5437 DECL_SIZE (decl) check.
5439 2006-02-23 Richard Guenther <rguenther@suse.de>
5442 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5443 like aggregate types.
5445 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5447 * configure.ac: Add --with{,out}-long-double-128 configure option.
5448 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5449 * configure: Rebuilt.
5450 * config.in: Rebuilt.
5451 * doc/install.texi (Options specification): Document
5452 --with-long-double-128.
5454 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5455 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5456 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5457 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5459 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5461 * config/s390/s390.c (override_options): Handle
5462 TARGET_DEFAULT_LONG_DOUBLE_128.
5464 * config/alpha/alpha.c (override_options): Handle
5465 TARGET_DEFAULT_LONG_DOUBLE_128.
5467 * config/sparc/sparc.c (sparc_override_options): Handle
5468 TARGET_DEFAULT_LONG_DOUBLE_128.
5470 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5472 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5473 (real-install-headers-tar, real-install-headers-cpio)
5474 (real-install-headers-cp): New targets.
5476 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5478 * tree.h (variable_section): Delete.
5479 * varasm.c (variable_section): Delete.
5481 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5483 * install.texi: Add notes on install.texi2html.
5484 (Building in parallel): Do not use footnotes.
5486 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5489 * doc/install.texi (Configuration): Document --disable-libgomp.
5491 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5493 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5495 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5497 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5498 (vec_extractv2df_0_sse): New.
5500 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5502 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5503 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5504 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5505 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5506 to the result of the expression.
5507 (def_cfa_1): Adjust.
5508 (frame_pointer_cfa_offset): Rename to...
5509 (frame_pointer_fb_offset): ... this. Adjust all uses.
5510 (convert_cfa_to_loc_list): Rename to...
5511 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5512 Pass it on to build_cfa_loc.
5513 (compute_frame_pointer_to_cfa_displacement): Rename to...
5514 (compute_frame_pointer_to_fb_displacement): ... this. New
5515 offset parameter. Use it in computation.
5516 (gen_subprogram_die): Compute cfa_fb_offset with the new
5517 macro, and use it to compute the fb loc list and the
5520 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5522 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5523 replaced with register_operand.
5524 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5525 non-DREG is expensive.
5526 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5527 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5530 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5532 * doc/install.texi2html: Use set -e.
5534 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5536 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5537 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5538 * doc/invoke.texi (-fshared-data): Delete.
5539 * common.opt (fshared-data): Delete.
5540 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5541 (assemble_static_space): Remove #if 0 code.
5542 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5543 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5544 * config/cris/cris.h: Remove FIXME.
5546 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5548 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5551 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5554 * combine.c (simplify_shift_const_1): Disable nested shifts
5555 optimization for vector shifts.
5557 2006-02-20 Roger Sayle <roger@eyesopen.com>
5559 PR tree-optimization/26361
5560 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5561 of unsigned integer types.
5563 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5565 * tree-chrec.c (eq_evolutions_p): New.
5566 * tree-chrec.h (eq_evolutions_p): Declared.
5567 * tree-data-ref.c: Fix formatting.
5568 (datadep_stats, dependence_stats): New.
5570 (print_direction_vector): New.
5571 (dump_data_dependence_relation): Use print_direction_vector.
5572 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5573 (compute_subscript_distance): Static.
5574 (initialize_data_dependence_relation): Static. Get the number
5575 of loops surrounding the references from the callers, and initialize
5576 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5577 base_object_differ_p analyzers.
5578 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5579 compute_overlap_steps_for_affine_1_2,
5580 analyze_subscript_affine_affine): Count the classified dependences.
5581 Print a message when a test failed.
5582 (can_use_analyze_subscript_affine_affine): New.
5583 (analyze_siv_subscript): Compute the data dependences on symbolic
5584 scevs that verify can_use_analyze_subscript_affine_affine.
5585 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5586 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5587 Handle symbolic scevs.
5588 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5590 (subscript_dependence_tester): Moved...
5591 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5592 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5593 DDR_SIZE_VECT instead of getting it in parameter.
5594 (subscript_dependence_tester): ... here. Take as a parameter
5595 loop_nest_depth. Call build_classic_dist_vector and
5596 build_classic_dir_vector.
5597 (compute_affine_dependence): Update subscript_dependence_tester
5598 parameters. Update datadep_stats counters. Call
5599 compute_subscript_distance.
5600 (compute_self_dependence): Save the dist and dir vectors. Call
5601 compute_subscript_distance.
5602 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5603 (compute_all_dependences): Reorder parameters as they were before
5604 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5605 compute_subscript_distance. Update the use of
5606 compute_affine_dependence and initialize_data_dependence_relation.
5607 (find_data_references_in_loop): Handle COMPONENT_REF.
5608 (compute_data_dependences_for_loop): Initialize dependence_stats.
5609 Don't call build_classic_dist_vector and build_classic_dir_vector.
5610 Update the parameters of initialize_data_dependence_relation and
5611 compute_all_dependences. Print the statistics from datadep_stats.
5612 (analyze_all_data_dependences): Static. Not used until the pass for
5613 checking the data dependences is contributed.
5614 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5615 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5616 (initialize_data_dependence_relation, compute_affine_dependence,
5617 analyze_all_data_dependences, compute_subscript_distance): Removed.
5618 (print_direction_vector): New.
5619 * lambda.h (gcd): ... here.
5620 (lambda_vector_gcd): Moved here from gcd_vector.
5621 * lambda-code.c (gcd, gcd_vector): Removed.
5622 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5623 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5625 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5627 * ipa-type-escape.c: Tidy some comments and white space.
5628 * tree-ssa-operands.c: Likewise.
5630 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5633 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5634 (dump_decl_name): Do not walk the decl tree chains.
5635 * tree-pass.h (TDF_CHAIN): Remove.
5637 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5639 * Makefile.in (C): Remove
5641 (.PHONY): Remove C and PROTO
5643 2006-02-20 Roger Sayle <roger@eyesopen.com>
5646 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5647 deprecated CHAR_TYPE tree code.
5649 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5651 * configure.ac (target_list): Add install-info, dvi, html.
5652 * configure: Regenerate.
5654 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5655 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5656 treelang/Make-lang.in: Do not use double-colon rules.
5658 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5660 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5661 (TMT_USED_ALONE): New macro.
5662 * tree-pass.h (PROP_tmt_usage): New property.
5663 (TODO_update_tmt_usage): New todo.
5664 * tree-ssa-alias.c (updating_used_alone): New variable.
5665 (recalculate_used_alone): New function.
5666 (compute_may_aliases): Set updating_used_alone, call
5667 recalculate_used_alone.
5668 * tree-sra.c (pass_sra): Note that this pass destroys
5669 PROP_tmt_usage, and add TODO_update_tmt_usage.
5670 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5671 * tree-flow.h (updating_used_alone): Prototype.
5672 (recalculate_used_alone): Ditto.
5673 * passes.c (execute_todo): Add code to set updating_used_alone,
5674 and call recalculate.
5675 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5676 for clobber if used alone, and add assert to verify used_alone
5679 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5681 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5682 for non tls symbols added.
5683 (legitimize_address): Do nothing for PLUS expressions if one of the
5684 addends is a tls symbol reference.
5686 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5690 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5692 * Makefile.in (BOOTSTRAPPING): New.
5693 (quickstrap): New definition if BOOTSTRAPPING=yes.
5695 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5696 * configure.ac: Substitute all_selected_languages with the languages
5697 that were configured. For all the other variables except
5698 lang_specs_files, include all the languages in the tree.
5699 * configure: Regenerate.
5701 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5702 if there is one. Run the commands to run fixincludes in the same
5705 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5706 * doc/install.texi: Document exact conventions for searching target tools.
5707 Document --with-build-time-tools. Document toplevel bootstrap. Document
5708 something more about building an Ada cross-compiler. Don't list GNU Make
5709 requirements which affect all platforms.
5711 2006-02-19 Roger Sayle <roger@eyesopen.com>
5714 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5715 only equivalent if the have both the same mode and precision.
5717 2006-02-20 Ben Elliston <bje@au.ibm.com>
5719 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5721 2006-02-19 Roger Sayle <roger@eyesopen.com>
5722 Steven Bosscher <stevenb.gcc@gmail.com>
5724 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5725 constant pool references to identify stack mode constants.
5726 * rtlanal.c (constant_pool_constant_p): New predicate to check
5727 whether operand is a floating point constant in the pool.
5728 * rtl.h (constant_pool_constant_p): Prototype here.
5729 * loop.c (scan_loop): Avoid hoisting constants from the constant
5730 pool on STACK_REGS targets.
5731 (load_mems): Likewise.
5732 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5733 loads into x87 registers expensive in terms of register pressure.
5735 2006-02-19 Roger Sayle <roger@eyesopen.com>
5737 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5738 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5740 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5742 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5743 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5745 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5747 * doc/invoke.texi: Document -fipa-pta.
5748 * common.opt: Add ipa-pta option.
5749 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5750 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5751 (do_ds_constraint): Ditto.
5752 (get_constraint_for): Only add to referenced_vars if
5753 referenced_vars exists.
5754 (insert_into_field_list): Rewrite to do this unsorted.
5755 (insert_into_field_list_sorted): Rename old insert_into_field_list
5757 (create_function_info_for): Use insert_into_field_list_sorted.
5758 (create_variable_info_for): Rewrite so it uses unsorted version,
5759 since the field list is sorted.
5760 (intra_create_variable_infos): Only add to referenced_vars if
5761 referenced_vars exists.
5762 (ipa_pta_execute): Init heapvars, and delete when done.
5763 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5765 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5767 * doc/install.texi: Add missing `@samp'.
5769 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5771 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5774 2006-02-18 Mark Wielaard <mark@klomp.org>
5776 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5777 who added new 4.1 features, bug fixes and integration support.
5779 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5782 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5785 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5787 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5788 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5789 (copy_insn_1): Likewise. Don't copy each field individually.
5791 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5793 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5794 * rtl.c (rtx_size): Rename variable to...
5795 (rtx_code_size): ...this.
5796 (rtx_size): New function.
5797 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5798 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5800 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5801 * rtl.h (rtx_code_size): New variable.
5802 (rtx_size): Change from a variable to a function.
5803 (RTX_SIZE): Rename to...
5804 (RTX_CODE_SIZE): ...this.
5807 PR tree-optimization/17106
5808 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5809 (Anchored Addresses): New section.
5810 * doc/invoke.texi (-fsection-anchors): Document.
5811 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5812 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5813 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5814 * hooks.c (hook_bool_mode_rtx_false): New function.
5815 * hooks.h (hook_bool_mode_rtx_false): Declare.
5816 * gengtype.c (create_optional_field): New function.
5817 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5818 SYMBOL_REF_IN_BLOCK_P is true.
5819 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5820 (min_anchor_offset, max_anchor_offset): Likewise.
5821 (use_anchors_for_symbol_p): New hook.
5822 * toplev.c (compile_file): Call output_object_blocks.
5823 (target_supports_section_anchors_p): New function.
5824 (process_options): Check that -fsection-anchors is only used on
5825 targets that support it and when -funit-at-a-time is in effect.
5826 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5827 if the decl doesn't have one.
5828 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5829 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5830 of force_const_mem through use_anchored_address.
5831 (expand_expr_constant): New function.
5832 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5833 calling expand_expr for INDIRECT_REF.
5834 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5835 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5836 * expr.h (use_anchored_address): Declare.
5837 * loop-unroll.c: Don't declare rtx vectors here.
5838 * explow.c: Include output.h.
5839 (validize_mem): Call use_anchored_address.
5840 (use_anchored_address): New function.
5841 * common.opt (-fsection-anchors): New switch.
5842 * varasm.c (object_block_htab, anchor_labelno): New variables.
5843 (hash_section, object_block_entry_eq, object_block_entry_hash)
5844 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5845 (use_blocks_for_decl_p, change_symbol_section): New functions.
5846 (get_variable_section): New function, split out from assemble_variable.
5847 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5848 use_blocks_for_decl_p say so. Use change_symbol_section if the
5849 symbol has already been created.
5850 (assemble_variable_contents): New function, split out from...
5851 (assemble_variable): ...here. Don't output any code for
5852 block symbols; just pass them to place_block_symbol.
5853 Use get_variable_section and assemble_variable_contents.
5854 (get_constant_alignment, get_constant_section, get_constant_size): New
5855 functions, split from output_constant_def_contents.
5856 (build_constant_desc): Create a block symbol if use_object_blocks_p
5857 says so. Or into SYMBOL_REF_FLAGS.
5858 (assemble_constant_contents): New function, split from...
5859 (output_constant_def_contents): ...here. Don't output any code
5860 for block symbols; just pass them to place_section_symbol.
5861 Use get_constant_section and get_constant_alignment.
5862 (force_const_mem): Create a block symbol if use_object_blocks_p and
5863 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5864 (output_constant_pool_1): Add an explicit alignment argument.
5865 Don't switch sections here.
5866 (output_constant_pool): Adjust call to output_constant_pool_1.
5867 Switch sections here instead. Don't output anything for block symbols;
5868 just pass them to place_block_symbol.
5869 (init_varasm_once): Initialize object_block_htab.
5870 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5871 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5872 (place_block_symbol, get_section_anchor, output_object_block)
5873 (output_object_block_htab, output_object_blocks): New functions.
5874 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5875 (TARGET_ASM_OUT): Include it.
5876 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5877 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5878 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5879 (TARGET_INITIALIZER): Include them.
5880 * rtl.c (rtl_check_failed_block_symbol): New function.
5881 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5882 (block_symbol, object_block): New structures.
5883 (rtx_def): Add a block_symbol field to the union.
5884 (BLOCK_SYMBOL_CHECK): New macro.
5885 (rtl_check_failed_block_symbol): Declare.
5886 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5887 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5888 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5889 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5890 * output.h (output_section_symbols): Declare.
5891 (object_block): Name structure.
5892 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5893 (default_use_anchors_for_symbol_p): Declare.
5894 * Makefile.in (RTL_BASE_H): Add vec.h.
5895 (explow.o): Depend on output.h.
5896 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5897 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5898 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5899 (rs6000_use_blocks_for_constant_p): New function.
5901 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5903 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5905 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5908 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5911 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5913 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5917 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5920 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5921 instead of DECL_REGISTER.
5923 2006-02-18 Olivier Hainque <hainque@adacore.com>
5926 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5928 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5931 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5932 * opth-gen.awk: Handle Var and InverseMask together.
5933 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5934 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5935 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5936 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5938 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5939 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5940 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5941 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5942 LINUX_DYNAMIC_LINKER): Define.
5943 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5944 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5946 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5947 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5948 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5949 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5950 (TARGET_C99_FUNCTIONS): Don't define.
5951 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5952 GLIBC_DYNAMIC_LINKER.
5953 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5954 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5955 GLIBC_DYNAMIC_LINKER64): Define.
5956 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5957 LINUX_DYNAMIC_LINKER64.
5958 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5959 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5960 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5961 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5962 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5963 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5964 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5965 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5966 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5967 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5968 and LINUX_DYNAMIC_LINKER32.
5969 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5970 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5971 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5972 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5973 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5975 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5976 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5977 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5978 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5979 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5980 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5981 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5982 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5983 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5984 LINUX_DYNAMIC_LINKER): Define.
5985 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5986 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5987 GLIBC_DYNAMIC_LINKER64): Define.
5988 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5989 LINUX_DYNAMIC_LINKER64.
5990 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5991 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5992 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5993 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5994 LINUX_DYNAMIC_LINKER): Define.
5995 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5996 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5997 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5998 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5999 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6000 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6001 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6002 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6003 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6004 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6005 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6006 * doc/invoke.texi (-muclibc): Remove caveat about supported
6009 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6011 * doc/cpp.texi (__TIMESTAMP__): Document.
6013 2006-02-17 Roger Sayle <roger@eyesopen.com>
6016 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6017 C is one less than the width of X (and related transformations).
6018 * simplify-rtx.c (simplify_unary_operation_1): Transform
6019 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6020 depending on STORE_FLAG_VALUE, were C is one less then the
6023 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6025 Fix PR tree-optimization/26341
6026 * tree-ssa-operands.c (add_virtual_operand): Remove assert
6027 about NAME_MEMORY_TAG's.
6029 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6032 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
6033 with hardware float support, and software float support. Add fcpy
6034 alternative to hardware patterns. Add alternatives to copy between
6035 general and floating-point registers to the 32-bit pattern.
6036 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6037 secondary reload to load a QI or HI mode constant into a floating
6039 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6040 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6042 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
6045 * config/rs6000/darwin.md (load_macho_picbase_si): Add
6047 (load_macho_picbase_di): Likewise.
6049 2006-02-16 Jeff Law <law@redhat.com>
6051 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6052 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6053 (ssa_name_nonzero_p): Likewise.
6054 (get_value_range): Return NULL if VRP is not running.
6055 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6056 VRP routines do not discover a range.
6057 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6058 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6059 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6060 (tree_expr_nonnegative_p): Similarly.
6061 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6062 (restore_nonzero_vars_to_original_value): Remove.
6063 (unsafe_associative_fp_binop): Remove.
6064 (tree_ssa_dominator_optimize): Remove initialization and
6065 finalization of nonzero_vars and nonzero_vars_stack.
6066 (dom_opt_initialize_block): No longer push marker on
6068 (dom_opt_finalize_block): No longer call
6069 restore_nonzero_vars_to_original_value.
6070 (record_equivalences_from_phis): No longer look for
6071 nonzero PHI arguments.
6072 (cprop_into_successor_phis): No longer propagate nonzero
6073 property into PHI arguments. Lose unused argument. Caller
6075 (record_equivalences_from_stmt): No longer record nonzero
6076 values for SSA_NAMEs.
6077 (lookup_avail_expr): No longer use nonzero_vars.
6079 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6080 for sizetype when sizetype is unsigned.
6082 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6084 PR rtl-optimization/25603
6085 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6086 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6087 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6088 with new meaning of SETS.
6090 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6095 * config/linux.opt: New file.
6096 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6097 LINUX_DYNAMIC_LINKER): Define.
6098 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
6099 * config.gcc (*-*-linux*): Define extra_options.
6100 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
6101 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
6102 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
6103 GLIBC_DYNAMIC_LINKER.
6104 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
6105 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6106 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6107 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6108 * doc/invoke.texi (GNU/Linux Options): New section.
6110 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6112 * config/sparc/sparc.md (setjmp): Rewrite.
6113 (setjmp_32): Delete.
6114 (setjmp_64): Likewise.
6116 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6118 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6121 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6123 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6126 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6128 PR rtl-optimization/26296
6129 * Makefile.in (loop-invariant.c): Add except.h dependency.
6130 * loop-invariant.c: Include except.h.
6131 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6133 2005-02-16 Paul Brook <paul@codesourcery.com>
6135 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6138 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6140 PR rtl-optimization/25636
6141 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6142 when deciding whether an insn is an initializing insn.
6144 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6146 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6147 (tree_code_size): Ditto.
6148 * tree.h (struct tree_memory_tag): Remove parent_var.
6149 (struct tree_struct_field_tag): New.
6152 (union tree_node): Add sft member.
6153 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6155 (create_sft): Add size and offset argument, set SFT_OFFSET and
6157 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6158 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6159 * tree-flow-inline.h (get_subvar_at): Update for
6160 SFT_OFFSET/SFT_SIZE.
6161 (var_can_have_subvars): Ditto.
6162 (overlap_subvar): Ditto.
6163 * print-tree.c (print_node): Print out interesting things for
6165 * tree-flow.h (struct subvar): Remove offset and size members.
6166 * tree-ssa-operands.c (get_expr_operands): Update for
6167 get_indirect_ref_operands changes.
6168 (get_indirect_ref_operands): Call add_virtual_operand instead of
6169 add_stmt_operand. Only recurse on base var if requested.
6170 (access_can_touch_variable): New function.
6171 (add_stmt_operand): Split virtual operand handling into ...
6172 (add_virtual_operand): Here. Add offset, size, and for_clobber
6173 arguments. Prune alias sets.
6174 (add_call_clobber_ops): Call add_virtual_operand.
6176 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6179 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6181 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6182 than TREE_CODE as index into omp_clause_num_ops array.
6184 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6186 PR rtl-optimization/26184
6187 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6189 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6190 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6191 must_precede, must_follow and tobe_scheduled.
6194 * opts.c (common_handle_option): Free new_option pointer.
6195 * df-core.c (df_analyze): Free postorder pointer.
6197 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6199 * Makefile.in: Fix the examples about the use of stamps
6201 2006-02-15 Michael Matz <matz@suse.de>
6205 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6206 influenced by maximum_field_alignment or DECL_PACKED.
6207 (update_alignment_for_field): Ditto.
6208 (place_field): Ditto.
6209 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
6212 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
6214 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
6215 (debug_flow_info): Pass it.
6216 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
6217 * bb-reorder.c (reorder_basic_blocks): Likewise.
6218 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
6219 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
6220 * flow.c (life_analysis, recompute_reg_usage): Likewise.
6221 * gcse.c (gcse_main, bypass_jumps): Likewise.
6222 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
6223 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
6224 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
6225 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
6226 * rtl.h (dump_flow_info): Adjust prototype.
6227 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
6228 * var-tracking.c (variable_tracking_main): Likewise.
6229 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
6230 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
6233 2006-02-15 Marcin Dalecki <martin@dalecki.de>
6235 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
6238 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6240 PR tree-optimization/26209
6241 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
6242 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
6244 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6246 2006-02-14 Roger Sayle <roger@eyesopen.com>
6249 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6250 (X,Y) and the corresponding symmetry related transformations.
6251 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6252 (X,Y) and its symmetry related transformations.
6254 2006-02-14 Roger Sayle <roger@eyesopen.com>
6256 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6259 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6261 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6263 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6266 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6267 support COMDAT group.
6268 * configure: Regenerate.
6270 2006-02-14 Roger Sayle <roger@eyesopen.com>
6275 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6277 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6279 Fix PR tree-optimization/26260
6281 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6283 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6284 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6285 * tree-ssa-structalias.c (create_variable_info_for): Use
6286 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6288 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6290 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6292 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6293 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6294 of the ending condition.
6295 * tree-ssa-loop-manip.c: Include params.h.
6296 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6297 tree_unroll_loop): New functions.
6298 * tree-pass.h (pass_loop_prefetch): Declare.
6299 * loop.c (rest_of_handle_loop_optimize): Test for
6300 -fprefetch-loop-arrays-rtl.
6301 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6302 * timevar.def (TV_TREE_PREFETCH): New timevar.
6303 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6304 pass_loop_prefetch): New.
6305 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6306 (cleanup_tree_cfg_loop): Call scev_reset.
6307 * common.opt (fprefetch-loop-arrays-rtl): Add.
6308 * tree-ssa-loop-prefetch.c: New file.
6309 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6310 (new_temp_expr_table): Initialize expr_vars.
6311 (free_temp_expr_table): Cleanup expr_vars.
6312 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6313 expressions from being merged into one.
6314 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6315 (struct tree_niter_desc): Add control, bound and cmp fields.
6316 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6318 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6319 (tree-cfgcleanup.o): Add SCEV_H dependency.
6320 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6321 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6323 2006-02-14 Richard Guenther <rguenther@suse.de>
6325 PR tree-optimization/26258
6326 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6327 in PHI argument processing.
6329 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6331 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6332 new expression in the requested machine mode.
6334 2006-02-13 Roger Sayle <roger@eyesopen.com>
6336 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6337 directly, instead let do_compare_rtx_and_jump handle this for us.
6338 * expr.c (expand_expr_real_1): Likewise.
6339 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6340 before do_jump_by_parts_greater.
6341 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6342 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6344 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6346 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6348 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6350 PR rtl-optimization/26235
6351 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6352 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6355 2006-02-13 Jeff Law <law@redhat.com>
6357 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6360 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6363 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6364 twice if decl is a builtin. When trying again, call get_callee_fndecl
6365 first to verify it is still a builtin.
6367 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6369 * dwarf2out.c (base_type_die): Don't add AT_name here.
6370 (subrange_type_die): Don't add AT_name here.
6371 (modified_type_die): Rearrange code flow. Do add AT_name here.
6373 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6375 PR rtl-optimization/26247
6376 PR rtl-optimization/26248
6377 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6379 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6381 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6382 * config/fixtfdi.c: Likewise.
6383 * config/fixunstfdi.c: Likewise.
6384 * config/floatditf.c: Likewise.
6386 2006-02-13 Roger Sayle <roger@eyesopen.com>
6389 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6390 into (X,C2) if C1 is a subset of the bits of C2. Transform
6391 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6393 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6395 2006-02-13 Josh Conner <jconner@apple.com>
6398 * varasm.c (function_section): Check for section name before
6399 calling select_section on targets that define
6400 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6401 unlikely_text_section instead of hot_function_section if
6402 first_function_block_is_cold.
6404 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6407 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6409 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6411 PR rtl-optimization/26222
6412 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6413 after tree->rtl expansion.
6414 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6415 before passing it to emit_move_insn.
6417 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6419 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6421 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6422 Clarify documentation.
6423 * c-common.h (warn_write_strings): Remove.
6424 * c-common.c (warn_write_strings): Likewise.
6425 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6428 2006-02-12 Roger Sayle <roger@eyesopen.com>
6431 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6432 (do_jump_parts_zero_rtx): New function renamed from
6433 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6434 (do_jump_parts_equality_rtx): New function split out from
6435 do_jump_parts_equality. Old implementation renamed as above.
6436 Call do_jump_parts_zero_rtx if either operand is zero.
6437 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6438 do all of the heavy lifting.
6439 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6440 calling either do_jump_by_parts_greater_rtx or
6441 do_jump_by_parts_equality_rtx.
6442 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6443 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6444 moved to do_compare_rtx_and_jump, call it directly.
6445 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6446 mode argument. Call do_compare_rtx_and_jump.
6447 (emit_case_nodes): Update calls to do_jump_if_equal.
6449 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6451 PR rtl-optimization/26225
6452 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6454 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6456 PR rtl-optimization/26232
6457 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6459 2006-02-11 Jason Merrill <jason@redhat.com>
6462 * tree-inline.c (declare_return_variable): Just don't use the
6463 modify target if it's a gimple complex reg and the return slot
6466 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6468 * doc/contrib.texi: Update my entry.
6470 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6472 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6474 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6476 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6479 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6481 * doc/invoke.texi (-floop-optimize2): Removed.
6482 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6483 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6484 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6485 * common.opt (floop-optimize2): Removed.
6486 (fmove-loop-invariants): Enabled by default.
6488 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6490 * tree-if-conv.c (combine_blocks): Free the result of
6491 get_loop_exit_edges.
6493 2006-02-10 Jeff Law <law@redhat.com>
6495 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6497 PR tree-optimization/26213
6498 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6499 loop trying to follow SSA_NAME_VALUE chains.
6501 2006-02-10 Richard Guenther <rguenther@suse.de>
6503 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6504 deal with structures that end in implicitly variable sized arrays.
6506 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6508 PR rtl-optimization/24762
6509 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6512 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6514 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6515 (struct ivopts_data): Add regs_used field.
6516 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6517 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6518 instead of loop_data->regs_used;
6519 (free_loop_data): Do not free aux fields for loops.
6520 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6521 and tree_ssa_iv_optimize_finalize.
6523 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6525 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6527 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6530 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6531 computing the effective result type.
6533 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6536 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6537 (tree_overlaps_hard_reg_set): Declare.
6538 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6539 type and signature to match function type expected by walk_tree.
6540 (tree_overlaps_hard_reg_set): New function.
6541 (decl_conflicts_with_clobbers_p): Rename to:
6542 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6543 Use tree_overlaps_hard_reg_set. Changed caller.
6544 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6545 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6546 * cris.c (cris_md_asm_clobbers): Likewise.
6548 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6550 * reload1.c (emit_input_reload_insns): Delete code that tries to
6551 inherit using find_equiv_reg.
6553 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6555 * c-common.h (flag_const_strings): Don't declare.
6556 * c-common.c (flag_const_strings): Remove.
6557 * c.opt (fconst_strings): Remove.
6558 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6559 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6560 (c_common_init_options): Don't set flag_const_strings.
6561 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6563 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6565 * arm.md (tlobits_cbranch): New pattern.
6566 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6567 testing a single bit.
6569 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6572 * tree-ssa-pre.c (create_component_ref_by_pieces):
6573 Handle RETURN_DECL like VAR_DECL.
6575 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6578 * fold-const.c (fold_indirect_ref_1): Fold
6579 "*(foo *)&complexfoo" to "__real__ complexfoo"
6580 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6582 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6584 * tree-flow-inline.h (var_can_have_subvars):
6585 Volatile variables should not have subvariables.
6587 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6590 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6591 multiplying unsigned values.
6594 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6596 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6598 2006-02-08 Jason Merrill <jason@redhat.com>
6601 * tree.def: Elaborate on difference from MODIFY_EXPR.
6602 * doc/c-tree.texi (INIT_EXPR): Likewise.
6603 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6604 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6605 (gimplify_target_expr): Likewise.
6606 (gimplify_cond_expr): Remove target handling.
6607 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6608 (gimplify_expr): Clobber it here.
6609 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6610 Do return slot optimization if we have an INIT_EXPR.
6613 * tree-inline.c (declare_return_variable): Also clear
6614 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6617 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6620 * gimplify.c (gimplify_one_sizepos): Fix typo.
6622 2006-02-08 Jeff Law <law@redhat.com>
6624 PR tree-optimization/21417
6625 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6626 across a backedge if the control statement at the end of the
6627 block is data dependent on other statements in the same block.
6628 (record_temporary_equivalences_from_stmts): Remove over-conservative
6629 test for threading across backedges.
6631 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6632 control statement, handle all three special cases in the same
6633 manner as they all have the same desired solution. No longer
6634 special case edge flag updating when the post dominator is
6637 2006-02-08 Roger Sayle <roger@eyesopen.com>
6639 * tree.def (CHAR_TYPE): Remove.
6640 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6641 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6642 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6643 (gen_string_type_die): Delete unreachable function.
6645 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6646 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6647 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6648 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6649 * builtins.c (type_to_class): Likewise.
6650 * fold-const.c (fold_convert, build_range_check,
6651 merge_ranges): Likewise.
6652 * expr.c (count_type_elements): Likewise.
6653 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6654 * stor-layout.c (layout_type): Likewise.
6655 * ipa-type-escape.c (type_to_consider): Likewise.
6656 * gimplify.c (omp_firstprivatize_type_sizes,
6657 gimplify_type_sizes): Likewise.
6658 * explow.c (promote_mode): Likewise.
6659 * tree-sra.c (is_sra_scalar_type): Likewise.
6660 * varasm.c (output_constant): Likewise.
6661 * tree-inline.c (remap_type_1): Likewise.
6662 * convert.c (convert_to_pointer, convert_to_real,
6663 convert_to_integer, convert_to_complex): Likewise.
6665 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6667 * df-scan.c (df_def_record_1): A set destination may
6668 be a parallel regardless of mode.
6670 2006-02-08 Roger Sayle <roger@eyesopen.com>
6673 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6674 * config/mips/_tilib.c: Remove.
6675 * config/fixtfdi.c: New libgcc source file.
6676 * config/fixunstfdi.c: New source file.
6677 * config/floatditf.c: New source file.
6678 * config/floatunditf.c: New souce file.
6679 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6680 files above instead of config/mips/_tilib.c.
6681 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6683 2006-02-08 Jeff Law <law@redhat.com>
6685 PR tree-optimization/26169
6686 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6689 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6691 * df.h (DF_REG_SIZE): Return the length of the initialized
6694 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6696 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6697 __muldf3): Return a correctly signed zero.
6699 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6701 * passes.c (register_one_dump_file): Accept the current properties
6702 instead of pass number. Adjust call to dump_register. Remove
6704 (register_dump_files): Now a wrapper around...
6705 (register_dump_files_1): ... this one. Do not modify the pass
6707 (next_pass_1): Cosmetic fix.
6708 (execute_todo): Keep second parameter only. Use curr_properties
6709 instead of fetching it from the pass structure. Check and set
6711 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6712 instead of fetching it from the pass structure. Fix calls to
6713 execute_todo. Update curr_properties and initialize .vcg RTL dump
6714 after running the pass. Reset last_verified.
6715 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6717 (FIRST_AUTO_NUMBERED_DUMP): New.
6718 (dump_register): Remove "num" parameter, assign it within the
6720 (get_dump_file_name): Modify template for dumps.
6721 * tree-dump.h (dump_register): Adjust prototype.
6722 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6723 (PROP_trees): Add PROP_gimple_lomp.
6724 (TODO_set_props): New.
6725 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6726 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6727 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6729 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6731 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6732 (sparc64-*-linux*): Likewise.
6733 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6734 * config/sparc/t-linux: New file.
6735 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6736 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6737 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6738 -m32 -mlong-double-128.
6740 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6741 * config/alpha/t-linux: New file.
6742 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6744 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6745 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6746 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6747 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6748 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6749 (CPP_ARCH32_SPEC): Remove.
6751 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6753 PR tree-optimization/26145
6754 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6757 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6760 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6761 >= 240000 when generating code for SOM runtime.
6762 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6763 to $$dyncall when generating code for SOM runtime..
6765 2006-02-07 Dirk Mueller <dmueller@suse.com>
6768 * doc/invoke.texi (-Wsequence-point): Update documentation
6769 that -Wsequence-point is implemented for C++ as well.
6771 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6773 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6774 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6775 (LIB_SPEC): Likewise.
6776 * doc/invoke.texi (SPARC options): Document -pthread.
6778 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6780 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6783 2006-02-07 Roger Sayle <roger@eyesopen.com>
6785 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6786 Correct comment describing BOOLEAN_TYPE.
6788 2006-02-07 Dirk Mueller <dmueller@suse.com>
6790 * c.opt: C++ frontend supports -Wdiv-by-zero.
6791 * c-opts.c (c_common_handle_option): Remove dead case.
6793 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6795 * configure.ac (TLS assembler check): Do not enable TLS by
6796 default on SPARC/Solaris before version 10.
6797 * configure: Regenerate.
6799 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6801 * doc/invoke.texi (xl-compat): Document conversion and support
6804 2006-02-07 Jeff Law <law@redhat.com>
6806 * tree-vrp.c (find_conditional_asserts): Update comments.
6807 (simplify_stmt_for_jump_threading): New.
6808 (identify_jump_threads, finalize_jump_threads): New.
6809 (vrp_finalize): Call identify_jump_threads.
6810 (execute_vrp): Call finalize_jump_threads.
6811 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6812 (vrp_element, vrp_data, vrp_element_p): Remove.
6813 (vrp_hash_elt, vrp_variables_stack): Remove.
6814 (vrp_hash, vrp_eq, record_range): Remove.
6815 (simplify_cond_and_lookup_avail_expr): Remove.
6816 (extract_range_from_cond): Remove.
6817 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6818 (simplify_stmt_for_jump_threading): New.
6819 (dom_thread_across_edge): New wrapper.
6820 (tree_ssa_dominator_optimize): No longer initialize or
6821 finalize any of the VRP datastructures. Remove iteration
6822 step and simplify as a result of removal of iteration step.
6823 (pass_dominator): Perform a cfg cleanup after DOM.
6824 (dom_opt_finalize_block): Use the new common routines
6825 for threading jumps. Simplify stack management slightly.
6826 No longer need to unwind VRP state.
6827 (record_equivalences_from_incoming_edge): No longer record
6829 (eliminate_redundant_computations): No longer call
6830 simplify_cond_and_lookup_avail_expr.
6831 * tree-flow.h (potentially_threadable_block): Prototype.
6832 (thread_across_edge): Likewise.
6833 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6834 (tree-ssa-threadedge.o): Add dependencies.
6835 * tree-ssa-threadedge.c: New file.
6836 * passes.c (init_optimization_passes): Merge PHIs before
6837 calling VRP. Run VRP again late in the SSA optimization pipeline.
6839 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6841 * df-core.c (df_set_blocks): Do not dereference function pointers.
6842 (df_finish1): Likewise.
6843 (df_hybrid_search_forward): Likewise.
6844 (df_hybrid_search_backward): Likewise.
6845 (df_iterative_dataflow): Likewise.
6846 (df_analyze_problem): Likewise.
6847 (df_compact_blocks): Likewise.
6848 (df_dump): Likewise.
6849 * df-scan.c (df_rescan_blocks): Likewise.
6850 (df_record_entry_block_defs): Likewise.
6852 * genconditions.c (write_conditions): Guard the definition of
6853 'insn_conditions' with the check on GCC version.
6854 (write_writer): Guard the traversal 'insn_conditions' with
6855 the check on GCC version.
6857 2006-02-07 Richard Guenther <rguenther@suse.de>
6861 2006-01-30 Richard Guenther <rguenther@suse.de>
6863 * gimplify.c (gimplify_target_expr): Handle easy cases
6864 without creating a temporary.
6866 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6868 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6869 use of float in probability computations. Use edge probabilities
6870 in place of statically computed probabilities.
6871 (min_spec_prob): New static variable.
6872 (schedule_insns): Initialize it.
6873 (GET_SRC_PROB): Removed.
6874 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6876 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6879 * config/ia64/unwind-ia64.c: Revert last change.
6880 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6881 (INCOMING_FRAME_SP_OFFSET): Define.
6883 2006-02-06 Roger Sayle <roger@eyesopen.com>
6885 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6887 2006-02-07 Ben Elliston <bje@au.ibm.com>
6889 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6890 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6891 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6892 (ix86_return_in_memory): Handle TDmode.
6893 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6894 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6896 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6898 * reorg.c (dbr_schedule): Use dump_file instead of file.
6900 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6903 * config/ia64/predicates.md (extr_len_operand): New predicate.
6904 * config/ia64/ia64.md (extv): Tighten constraints.
6906 (*tbit_and_2): Ditto.
6907 (*tbit_and_3): Ditto.
6908 (*tbit_or_2): Ditto.
6909 (*tbit_or_3): Ditto.
6913 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6916 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6918 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6920 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6921 loop_optimizer_init and loop_optimizer_finalize
6922 * tree-ssa-sink.c (execute_sink_code): Ditto.
6923 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6924 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6925 tree_ssa_loop_done): Ditto.
6926 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6927 * sched-ebb.c: Include output.h.
6928 (schedule_ebbs): Do not use dump argument.
6929 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6930 * loop.c (loop_dump_stream): Removed.
6931 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6933 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6934 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6935 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6936 loop_iterations, strength_reduce, record_biv, record_giv,
6937 final_giv_value, check_final_value, check_ext_dependent_givs,
6938 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6939 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6940 dump_file instead of loop_dump_stream.
6941 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6943 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6945 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6946 * haifa-sched.c: Include output.h
6947 (schedule_insns, sched_init): Do not use dump argument.
6948 * mode-switching.c (optimize_mode_switching): Ditto.
6949 * modulo-sched.c (stats_file): Removed.
6950 (print_node_sched_params): Do not call argument dump_file.
6951 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6952 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6954 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6956 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6957 rtl_loop_init, rtl_loop_done): Ditto.
6958 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6959 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6961 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6962 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6963 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6964 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6965 * emit-rtl.c (renumber_insns): Ditto.
6966 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6967 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6968 * regclass.c (regclass): Ditto.
6969 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6970 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6971 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6972 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6974 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6975 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6977 * gcse.c (gcse_file, debug_stderr): Removed.
6978 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6979 rest_of_handle_gcse): Do not use dump argument.
6980 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6981 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6982 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6983 compute_code_hoist_vbeinout, compute_code_hoist_data,
6984 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6985 compute_store_table, build_store_vectors, insert_insn_start_bb,
6986 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6987 store_motion): Use dump_file instead of gcse_file.
6988 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6989 * profile.c (profile_dump_file): Removed.
6990 (branch_prob): Use dump_file instead of profile_dump_file.
6991 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6993 * tree-ssa-copy.c (dump_copy_of): Ditto.
6994 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6995 dump file to life_analysis.
6996 * bt-load.c (branch_target_load_optimize): Ditto.
6997 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6999 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7000 regclass, dbr_schedule): Declaration changed.
7001 * sched-int.h (sched_init): Declaration changed.
7002 * tree-profile.c (tree_profile_dump_file): Removed.
7003 (tree_profile_hooks): Removed profile_dump_file hook.
7004 * rtl-profile (rtl_profile_dump_file): Removed.
7005 (rtl_profile_hooks): emoved profile_dump_file hook.
7006 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7008 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7009 * tree-cfg.c (build_tree_cfg): Ditto.
7010 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7011 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7012 Declaration changed.
7013 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7014 life_analysis and schedule_insns.
7015 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7017 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7019 * config/mips/mips.c (mips_reorg): Ditto.
7020 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7023 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7025 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7026 (s390_mangle_fundamental_type): New.
7027 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7030 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7031 (alpha_mangle_fundamental_type): New.
7032 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7035 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7037 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7039 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7040 (sparc_mangle_fundamental_type): New.
7042 2006-02-06 Jakub Jelinek <jakub@redhat.com>
7044 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
7045 (s390x-*-linux*): Likewise.
7046 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
7047 * config/s390/t-linux: New file.
7049 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7051 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7052 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7054 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7056 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7057 (ANTIC_SAFE_LOADS): New macro.
7058 (find_or_generate_expression): Add prototype.
7059 (set_contains_value): Allow null set for sake of not always having
7060 to allocate ANTIC_SAFE_LOADS.
7061 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7062 Allow COMPONENT_REF too.
7063 (valid_in_set): Allow COMPONENT_REF.
7064 Check ANTIC_SAFE_LOADS too.
7065 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7066 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7068 (can_PRE_operation): Add COMPONENT_REF.
7069 (create_component_ref_by_pieces): New function.
7070 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7071 (insert_aux): Move AGGREGATE_TYPE_P check here.
7072 (compute_avail): Set bb local stmt uids.
7073 (pass_pre): Use TODO_update_ssa_only_virtuals.
7075 2006-02-06 Ben Elliston <bje@au.ibm.com>
7077 * configure.ac: Unconditionally disable decimal float by default.
7078 * configure: Regenerate.
7080 2006-02-06 Ben Elliston <bje@au.ibm.com>
7082 * read-rtl.c (read_name): Terminate reading on EOF.
7084 2006-02-06 Ben Elliston <bje@au.ibm.com>
7086 * dfp.c (decimal_real_arithmetic): Change second argument type
7087 from int to enum tree_code. Do not always return true, but now
7088 return result of any call to decimal_do helper functions.
7089 * dfp.h (decimal_real_arithmetic): Update prototype.
7091 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7093 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7095 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7098 * tree-cfg.c (cleanup_dead_labels): Also don't remove
7101 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7103 * tree-vrp.c (cfg_loops): Removed.
7104 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
7105 Use current_loops instead of cfg_loops. Pass flags to
7106 loop_optimizer_init.
7107 * cfgloopmanip.c (fix_loop_structure): Update only available
7109 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
7110 loop_optimizer_init.
7111 * modulo-sched.c (build_loops_structure): Removed.
7112 (sms_schedule): Use loop_optimizer_init.
7113 * loop-init.c (loop_optimizer_init): Use flags to determine
7114 which properties of loops to prepare.
7115 (rtl_loop_init): Pass flags to loop_optimizer_init.
7116 * tree-ssa-sink.c (execute_sink_code): Ditto.
7117 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7118 * tree-ssa-pre.c (init_pre): Ditto.
7119 * cfgloop.h (LOOPS_NORMAL): New.
7120 (loop_optimizer_init): Declaration changed.
7122 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7124 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7125 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7127 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7129 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7131 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7132 * pa/t-pa64: Delete quadlib.c rule.
7133 * pa/x-ada: Revert last change.
7134 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7136 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7138 PR rtl-optimization/26087
7139 * rtlanal.c (canonicalize_condition): Do not cross basic block
7142 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7145 * config/ia64/ia64.c: Include debug.h.
7146 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7147 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7148 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7149 (process_epilogue, process_set, process_for_unwind_directive):
7150 Output unwind info only if requested. Add CFA info if requested.
7151 Add new arguments as needed. Adjust callers.
7152 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7154 (DWARF2_FRAME_INFO): Define to zero.
7155 * config/ia64/unwind-ia64.c: Remove code that compensated for
7156 the CFA offset error fixed above.
7157 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7158 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7159 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7160 -funwind-tables and -fexceptions to enable frame info.
7161 (dwarf2out_frame_init): Define initial CFA even if
7162 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7163 DWARF2_UNWIND_INFO is nonzero, not just defined.
7164 (dwarf2out_frame_finish): Output non-EH call frame info only
7165 if DWARF2_FRAME_INFO is nonzero.
7166 (convert_cfa_to_loc_list,
7167 compute_frame_pointer_to_cfa_displacement): Define even if
7168 unwind info is not supported.
7169 (gen_subprogram_die): Use the above unconditionally. Remove
7170 legacy alternate code.
7171 * toplev.c (compile_file): Compile in call to
7172 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7173 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7175 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7176 Jakub Jelinek <jakub@redhat.com>
7178 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7179 IBM extended float format long double as "g" on powerpc*-linux.
7181 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7184 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7185 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7187 2006-02-03 Jason Merrill <jason@redhat.com>
7190 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7193 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7194 on the return slot if it's an NRV.
7196 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
7198 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
7199 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
7200 rewrite_use): Do not handle USE_OUTER.
7201 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7202 add_iv_outer_candidates, may_replace_final_value,
7203 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7204 (find_interesting_uses_op): Functionality of
7205 find_interesting_uses_outer_or_nonlin moved here.
7206 (find_interesting_uses_outside): Use find_interesting_uses_op.
7208 2006-02-03 Alan Modra <amodra@bigpond.net.au>
7211 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
7213 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7214 Ulrich Weigand <uweigand@de.ibm.com>
7217 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
7218 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
7219 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
7220 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
7222 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
7223 (s390_rtx_costs): Use the new fields to calculate rtx costs.
7224 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
7225 Define secondary reloads for TFmode moves.
7226 (constant_modes): Add TFmode.
7227 (NR_C_MODES): Set to 8.
7228 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
7230 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
7231 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
7232 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
7233 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
7234 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
7235 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
7236 (FPR mode macro): Add TFmode.
7237 (DSF mode macro): New.
7238 (<de>, <dee> mode attributes): Removed.
7239 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
7240 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
7241 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
7242 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
7243 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
7244 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7245 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7246 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7247 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7248 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7249 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7250 "*negabs<mode>2", "sqrt<mode>2"):
7251 Changed <de> to <xde>. R constraint replaced by <Rf>.
7252 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7254 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7255 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7256 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7258 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7259 "extenddftf2", "extendsftf2"): New expanders.
7260 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7261 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7262 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7263 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7265 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7266 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7267 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7268 __floatditf): Add a GCC_4.1.0 symbol version tag.
7269 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7272 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7275 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7276 Use targetm.binds_local_p instead of TREE_PUBLIC.
7278 2006-02-02 Roger Sayle <roger@eyesopen.com>
7280 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7281 on INTEGER_TYPEs to indicate that it denotes a character type.
7282 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7283 signed_char_type_node, unsigned_char_type_node and char_type_node.
7284 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7285 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7286 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7288 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7289 Daniel Berlin <dberlin@dberlin.org>
7291 * tree-tailcall.c (arg_needs_copy_p): New function.
7292 (eliminate_tail_call): Use arg_needs_copy_p.
7293 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7294 (add_virtual_phis): New function.
7296 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7298 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7299 #ignore instead of #scratch for %g7 .register directive.
7301 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7303 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7306 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7308 * flow.c (calculate_global_regs_live): Assert that there aren't any
7311 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7313 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7315 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7316 bsi_after_labels iterator.
7317 * tree-if-conv.c (find_phi_replacement_condition,
7318 replace_phi_with_cond_modify_expr): Likewise.
7319 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7320 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7322 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7324 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7326 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7329 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7330 array after growing it.
7332 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7335 * fold-const.c (fold_checksum_tree): Change type of buf.
7337 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7339 * reload.c (push_secondary_reload): Initialize t_icode.
7341 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7343 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7344 -msoft-float -mlong-double-128 only issue a warning, but don't
7345 swich to DFmode long double.
7347 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7349 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7350 has a constant equivalent, iterate over equivalents for arg0,
7351 calling simplify_relational_operation and if there's a result
7352 cheaper than X, apply fold_rtx and return the result.
7354 2006-02-01 Jan Hubicka <jh@suse.cz>
7356 * opts.c (no_unit_at_a_time_default): New global variable.
7357 (decode_options): Use it.
7358 * opts.h (no_unit_at_a_time_default): Declare.
7360 2006-02-01 Paul Brook <paul@codesourcery.com>
7362 * function.c (assign_parm_setup_reg): Use function argument promotion
7364 * expr.c (expand_expr_real_1): Use function argument promotion rules
7367 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7369 * gcc.c (process_command): Change j to 'unsigned int'.
7371 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7374 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7375 Use the corrected index for the character
7376 out of the string constant.
7378 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7380 * mode-switching.c (optimize_mode_switching): Fix size
7381 allocated for bb_info[n_entities].
7383 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7385 * gcc.c (main): Correct type that is allocated for
7386 explicit_link_files.
7388 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7390 * config/s390/s390.c (init_alignment_context): Set
7391 ALIAS_SET_MEMORY_BARRIER on the MEM.
7392 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7394 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7397 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7399 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7402 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7404 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7405 * regrename.c: Ditto.
7406 * tree-ssa-loop-im.c: Ditto.
7407 * tree-dump.c: Ditto.
7408 * tree-complex.c: Ditto.
7409 * genrecog.c: Ditto.
7410 * tree-ssa-threadupdate.c: Ditto.
7412 * java/class.c: Ditto.
7413 * java/jcf-parse.c: Ditto.
7414 * java/resource.c: Ditto.
7415 * java/except.c: Ditto.
7416 * java/jvspec.c: Ditto.
7417 * java/jcf-write.c: Ditto.
7418 * java/jcf-path.c: Ditto.
7419 * java/gjavah.c: Ditto.
7420 * java/zextract.c: Ditto.
7421 * java/jcf-io.c: Ditto.
7422 * java/jcf.h: Ditto.
7423 * java/buffer.c: Ditto.
7424 * java/lang.c: Ditto.
7425 * java/parse-scan.y: Ditto.
7426 * java/lex.c: Ditto.
7427 * java/lex.h: Ditto.
7428 * cfgloopmanip.c: Ditto.
7429 * postreload-gcse.c: Ditto.
7430 * tree-ssa-loop-manip.c: Ditto.
7431 * postreload.c: Ditto.
7432 * tree-ssa-loop-ch.c: Ditto.
7436 * diagnostic.c: Ditto.
7438 * genoutput.c: Ditto.
7440 * cfghooks.c: Ditto.
7441 * cfgloopanal.c: Ditto.
7442 * objc/objc-act.c: Ditto.
7444 * genextract.c: Ditto.
7445 * genautomata.c: Ditto.
7446 * pretty-print.c: Ditto.
7448 * cgraphunit.c: Ditto.
7451 * haifa-sched.c: Ditto.
7452 * dominance.c: Ditto.
7454 * tree-ssa-loop-ivopts.c: Ditto.
7456 * mode-switching.c: Ditto.
7457 * modulo-sched.c: Ditto.
7459 * ipa-pure-const.c: Ditto.
7461 * fix-header.c: Ditto.
7463 * tree-stdarg.c: Ditto.
7464 * ipa-utils.c: Ditto.
7465 * loop-init.c: Ditto.
7466 * ipa-inline.c: Ditto.
7469 * alloc-pool.c: Ditto.
7470 * dwarf2out.c: Ditto.
7472 * genattrtab.c: Ditto.
7473 * tree-ssa-loop-ivcanon.c: Ditto.
7477 * fortran/gfortranspec.c: Ditto.
7479 * local-alloc.c: Ditto.
7480 * langhooks.c: Ditto.
7481 * function.c: Ditto.
7482 * tree-vectorizer.c: Ditto.
7484 * ipa-type-escape.c: Ditto.
7486 * tree-if-conv.c: Ditto.
7489 * tree-data-ref.c: Ditto.
7490 * loop-unroll.c: Ditto.
7491 * treelang/treetree.c: Ditto.
7494 * ggc-common.c: Ditto.
7496 * coverage.c: Ditto.
7498 * tree-cfgcleanup.c: Ditto.
7499 * tree-ssa-pre.c: Ditto.
7500 * cfgcleanup.c: Ditto.
7501 * loop-invariant.c: Ditto.
7503 * ipa-prop.c: Ditto.
7504 * print-tree.c: Ditto.
7505 * conflict.c: Ditto.
7506 * ggc-page.c: Ditto.
7507 * sched-deps.c: Ditto.
7508 * regclass.c: Ditto.
7509 * tree-object-size.c: Ditto.
7511 * bb-reorder.c: Ditto.
7512 * resource.c: Ditto.
7513 * var-tracking.c: Ditto.
7515 * df-problems.c: Ditto.
7516 * reg-stack.c: Ditto.
7519 * sched-rgn.c: Ditto.
7520 * tree-ssa-structalias.c: Ditto.
7521 * tree-ssa-reassoc.c: Ditto.
7522 * config/darwin-c.c: Ditto.
7523 * config/darwin.c: Ditto.
7524 * config/arm/arm.c: Ditto.
7526 * collect2.c: Ditto.
7529 2006-01-31 Nicolas Pitre <nico@cam.org>
7531 * arm.md (smaxsi3): Make aware of smax_m1.
7534 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7536 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7538 2006-01-31 Richard Guenther <rguenther@suse.de>
7540 * doc/invoke.texi (-msselibm): Document.
7541 * target.h (expand_library_builtin): New target hook.
7542 * builtins.c (expand_builtin): Use expand_library_builtin.
7543 (default_expand_library_builtin): New function.
7544 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7545 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7546 (link_gcc_math_spec): Declare.
7547 (static_specs): Add link_gcc_math_spec.
7548 * expr.h (default_expand_library_builtin): Declare.
7549 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7550 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7551 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7552 * config/i386/i386.opt (msselibm): New target option.
7553 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7554 (ix86_init_sse_abi_builtins): New function.
7555 (ix86_expand_library_builtin): Likewise.
7556 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7557 (override_options): Handle error conditions wrt -msselibm.
7558 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7559 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7560 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7563 2006-01-31 Richard Guenther <rguenther@suse.de>
7564 Paolo Bonzini <bonzini@gnu.org>
7566 * doc/install.texi (--disable-libgcc-math): Document.
7568 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7570 * expr.h (expand_normal): new inline function.
7571 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7573 * dwarf2out.c: use it.
7578 * config/sparc/sparc.c: use it.
7579 * config/i386/i386.c: use it.
7580 * config/rs6000/rs6000.c: use it.
7581 * config/arm/arm.c: use it.
7582 * config/mips/mips.c: use it.
7583 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7585 2006-01-30 Roger Sayle <roger@eyesopen.com>
7587 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7588 argv to the appropriate type.
7590 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7592 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7595 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7598 * config/s390/s390.c (struct machine_function): New flag
7599 decomposed_literal_pool_addresses_ok_p.
7600 (s390_reorg): Set it before final stage of literal pool transforms.
7601 (s390_decompose_address): Only accept displacements of the form
7602 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7604 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7606 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7607 the comparison routine return.
7609 2006-01-30 Michael Matz <matz@suse.de>
7611 * global.c (find_reg): Only evict for global regs.
7612 Take n_refs into account and dump more info.
7614 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7617 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7618 (pragma_trap, pragma_nosave_low_regs): Likewise.
7619 (current_function_anonymous_args): Likewise.
7620 (sh_deferred_function_attributes): New variable.
7621 (sh_deferred_function_attributes_tail): Likewise.
7622 (print_operand): For '@', look up trap_exit attribute.
7623 (calc_live_regs): Look up trapa_handler attribute. For trapa
7624 handlers, save/restore fpscr, but don't do any other
7625 interrupt-specific saves.
7626 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7627 Fix check for partially saved registers to check for SHmedia.
7628 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7629 (sh_output_function_epilogue): Don't clear any of the removed
7631 (sh_insert_attributes): Don't check pragma_interrupt.
7632 Insert deferred attributes. Check that interrupt attribute is
7633 present for other attributes that require its presence.
7634 (sh_attribute_table): Add new attributes trapa_handler and
7636 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7637 Don't check for pragma_interrupt. Don't store argument.
7638 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7639 (sh_deferred_function_attributes): Declare.
7640 (sh_deferred_function_attributes_tail): Likewise.
7641 * sh.md (sp_switch_1): Add operand. Change generator caller.
7642 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7643 (*return_i): Don't use when trap_exit attribute is in effect.
7644 (*return_trapa): New insn pattern.
7646 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7647 setting c_target_objs and cxx_target_objs.
7648 * t-sh: Add rule for sh-c.o.
7650 2006-01-30 Richard Guenther <rguenther@suse.de>
7653 * gimplify.c (gimplify_target_expr): Handle easy cases
7654 without creating a temporary.
7656 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7658 * vec.h (safe_grow): Remove duplicated line.
7660 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7663 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7664 (expand_omp): ... here.
7665 (expand_omp_parallel): Only remove barriers for combined
7666 parallel+workshare constructs.
7668 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7672 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7673 * tree.c (build_qualified_type): Chain the new type to the original
7674 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7675 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7676 (build_pointer_type_for_mode): Only return unqualified types.
7677 (build_reference_type_for_mode): Likewise.
7679 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7681 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7682 * Makefile.in (CXX_COMPAT_WARN): Define.
7683 * configure: Regenerate.
7685 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7688 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7691 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7693 * toplev.c: Fix thinko.
7695 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7696 Marcin Dalecki <martin@dalecki.de>
7698 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7699 (push_srcloc): Use XNEW.
7700 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7702 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7704 * df-core.c (df_set_blocks): Deleted all variable.
7706 2006-01-28 Ian Lance Taylor <ian@airs.com>
7708 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7709 cgraph_output_pending_asms.
7711 2006-01-28 Zack Weinberg <zackw@panix.com>
7713 * c.opt: Add -W(no-)overlength-strings.
7714 * doc/invoke.texi: Document it.
7715 * c-opts.c (c_common_handle_option): -pedantic implies
7716 -Woverlength-strings, if not explicitly disabled already.
7717 (c_common_post_options): -Woverlength-strings defaults to off, and
7718 is always off for C++.
7719 * c-common.c (fix_string_type): Issue warning about strings longer
7720 than is portable only if warn_overlength_strings. Rearrange code
7721 a little for clarity.
7722 * configure.in: Check for -Wno-overlength-strings as well before
7723 enabling -pedantic in stage 1.
7724 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7725 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7727 * genconditions.c (write_header, write_one_condition)
7728 (write_conditions, write_writer): Consolidate very long strings
7729 that were broken up to fit in C89 portable limit. Don't use
7730 printf when fputs will do.
7732 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7734 * combine.c (simplify_comparison <AND>): Check
7735 TRULY_NOOP_TRUNCATION before start using a subreg.
7737 * config/mips/mips.md (*branch_zero<mode>,
7738 *branch_zero<mode>_inverted, *branch_equality<mode>,
7739 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7740 Remove mode check from comparisons.
7742 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7744 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7746 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7748 * expmed.c (const_mult_add_overflow_p): Remove.
7749 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7751 * recog.c (validate_replace_rtx_subexp): Remove.
7752 * recog.h: Remove the prototype for
7753 validate_replace_rtx_subexp.
7755 * integrate.h: Remove the prototype for
7756 copy_decl_for_inlining.
7757 * rtl.h: Remove the prototype for mark_constant_function.
7758 * tree-vectorizer.h: Remove the prototype for
7759 vect_strip_conversion.
7761 * modulo-sched.c (create_partial_schedule,
7762 free_partial_schedule, reset_partial_schedule): Make them
7765 * hooks.c (hook_bool_rtx_int_false): Remove.
7766 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7768 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7770 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7771 and -mlong-double-128 are incompatible.
7772 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7773 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7774 (TARGET_LIBGCC2_CFLAGS): Define.
7775 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7776 (TARGET_LIBGCC2_CFLAGS): Same.
7777 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7779 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7782 * c-typeck.c (build_binary_op): Perform implicit casts of
7783 operands before shortening them.
7785 * cfgloopmanip.c (split_loop_bb): Remove.
7786 * cfgloop.h: Remove the prototype for split_loop_bb.
7788 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7789 * cfgloop.h: Remove the prototype for
7790 flow_loop_outside_edge_p.
7792 * emit-rtl.c (init_virtual_regs): Make it static.
7793 * function.h: Remove the prototype for init_virtual_regs.
7795 * recog.c (peephole2_optimize): Make it static.
7796 * recog.h: Remove the prototype for peephole2_optimize.
7798 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7800 * df-scan.c (df_record_entry_block_defs): Check if
7801 INCOMING_RETURN_ADDR_RTX is defined.
7803 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7804 Kenneth Zadeck <zadeck@naturalbridge.com>
7806 PR rtl-optimization/24762
7807 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7808 * targhooks.c (hook_void_bitmap): New hook prototype.
7809 * targhoohs.h (hook_void_bitmap): Ditto.
7810 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7811 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7812 * target.h (live_on_entry): New function pointer.
7813 * df-scan.c (df_all_hard_regs): Removed.
7814 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7815 (df_scan_free_internal): Added df->entry_block_defs.
7816 (df_scan_alloc): Ditto.
7817 (df_scan_dump): Ditto.
7818 (df_uses_record): Plumbed flag field properly thru calls.
7819 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7820 This part fixes PR24762.
7821 (df_bb_refs_record): Added code to make the frame and arg
7822 pointers live in EH blocks.
7823 (df_refs_record): Added call to df_record_entry_block_defs.
7824 (df_record_entry_block_defs): New function.
7825 * df-core.c: Added comments to describe new artifical defs.
7826 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7827 (entry_block_defs): New field in struct df.
7828 (df_all_hard_regs): Deleted.
7829 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7830 * df-problems.c (df_ru_bb_local_compute_process_def):
7831 Added code to handle artifical defs in the entry to a function.
7832 (df_ru_bb_local_compute): Ditto.
7833 (df_rd_bb_local_compute_process_def): Ditto.
7834 (df_rd_bb_local_compute): Ditto.
7835 (df_lr_bb_local_compute): Ditto.
7836 (df_ur_bb_local_compute): Ditto.
7837 (df_urec_bb_local_compute): Ditto.
7838 (df_chain_create_bb): Ditto.
7839 (df_ur_local_finalize): Removed entry.
7840 (df_urec_init): Ditto.
7841 (df_urec_local_finalize): Ditto.
7842 (df_ri_bb_compute): Added detection of last use of pseudos.
7843 * Makefile.in (df-scan.o): Updated dependencies.
7844 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7845 * config/mips/mips.c (mips_set_live_on_entry): Added.
7846 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7848 * dce.c (marked_insn_p): Added code to handle artifical defs.
7850 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7852 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7854 (_mm_cvtsi128_si64): Likewise.
7855 (_mm_cvtsd_si64): Likewise.
7856 (_mm_cvttsd_si64): Likewise.
7857 (_mm_cvtsi64_sd): Likewise.
7858 (_mm_cvtsi64_si128): Likewise.
7859 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7860 (_mm_cvtsi64_m64): Likewise.
7861 (_m_to_int64): Likewise.
7862 (_mm_cvtm64_si64): Likewise.
7863 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7864 (_mm_cvttss_si64): Likewise.
7865 (_mm_cvtsi64_ss): Likewise.
7866 (_mm_cvtss_f32): Likewise.
7868 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7870 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7871 for pragma redefine_extname.
7873 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7876 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7877 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7878 -mno-minimal-toc to previous content.
7879 (bispecs): Remove goal.
7880 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7881 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7882 compatibility aliases on powerpc-*-*gnu*.
7883 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7884 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7885 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7886 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7887 (ldblspecs): New goal.
7888 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7889 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7891 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7892 L_sf_to_tf or L_df_to_tf is defined.
7894 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7895 Alan Modra <amodra@bigpond.net.au>
7898 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7899 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7900 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7901 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7902 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7903 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7904 (rs6000_override_options): Initialize rs6000_ieeequad.
7905 Initialize TFmode format to ibm_extended_format if not
7907 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7909 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7910 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7911 (function_arg_advance): IBM long double passed in two FPRs, not
7913 (function_arg): IBM long double passed in FPRs.
7914 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7915 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7916 Only multireg GPR aligned.
7917 (rs6000_init_libfuncs): Enable IBM long double functions if not
7919 (rs6000_generate_compare): Use IBM long double compare if not
7921 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7922 (TARGET_IEEEQUAD): Define.
7923 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7924 not TARGET_IEEEQUAD.
7925 * config/rs6000/rs6000.md: Enable TFmode patterns if
7927 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7928 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7929 and -mlong-double-128 are incompatible.
7930 * doc/invoke.texi (-mabi): Collect options together. Add
7931 ibmlongdouble and ieeelongdouble.
7933 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7935 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7937 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7938 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7939 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7940 * rtl.h (rtunion_def): Remove rt_ptr.
7942 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7943 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7944 * config/i386/winnt.c (i386_pe_mark_dllexport)
7945 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7947 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7949 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7951 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7955 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7956 pthread_key_delete. From John David Anglin. gthrw-ify
7957 pthread_getunique_np only if it it's not a macro. Delete
7959 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7960 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7961 __gthread_objc_condition_signal, __gthread_key_delete): Add
7962 "__attribute__ ((__unused__))" to unused arguments.
7963 (__gthread_recursive_mutex_init_function): Add missing return.
7964 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7965 gthr-posix95.h: Use macro-based approach for name redirection
7966 on targets missing weakref.
7968 2006-01-26 Zack Weinberg <zackw@panix.com>
7970 * genconditions.c (write_header): In generated code, #ifdef out
7971 all includes and fake declarations, except includes of bconfig.h
7972 and system.h, unless GCC_VERSION >= 3001. Do not include
7973 gensupport.h in any case.
7974 (write_conditions): Generate a definition of struct c_test. Add
7975 a comment to the generated #endif.
7976 (write_one_condition): Escape backslashes in string too.
7977 (write_writer): Generated code must escape backslashes and quote
7978 marks (but not newlines) in the strings it writes.
7979 * Makefile.in (build/gencondmd.o): Update dependencies.
7981 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7984 * Makefile.in (insn-automata.o): Add header file dependencies.
7985 * genautomata.c: Add includes.
7987 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7990 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7992 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7994 * configure.ac: Expect target tools paths to be passed from the toplevel
7995 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7997 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7999 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8002 * c.opt (Wpointer-sign): Init to -1.
8003 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8004 OPT_pedantic, to 0 otherwise.
8005 * doc/invoke.texi: Update.
8007 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8009 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8010 constants provided by 80387 instructions in the destination mode.
8012 2006-01-26 Richard Guenther <rguenther@suse.de>
8013 Andrew Pinski <pinskia@physics.uc.edu>
8016 partial PR tree-opt/17064
8017 * tree-ssa-structalias.c (intra_create_variable_infos):
8018 Create heap variables for incoming parameters if
8019 flag_argument_noalias > 1.
8020 (find_what_p_points_to): Look through default defs of
8023 2006-01-26 Jeff Law <law@redhat.com>
8026 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
8027 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
8028 within the VR_RANGE, use the VR_RANGE as the result, not the
8030 (adjust_range_with_scev): Reject ranges from SCEV which are out of
8031 bounds for the type.
8033 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8035 * tree-ssa-alias.c (maybe_create_global_var): Change
8036 subvar walking to an assertion that we don't have subvar'd variables.
8038 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8041 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8042 Use a new variable, inner. PARM_DECLs are always non-weak.
8044 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
8046 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
8049 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
8051 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8053 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8055 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8056 (smax_insn, smin_insn, smax_0, smin_0): New.
8058 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8061 * config/cris/cris.c (cris_order_for_addsi3): New function.
8062 * config/cris/cris-protos.h: Prototype it.
8063 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8064 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8065 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8066 (split for "op.S1 [rx=rx+i],ry (swapped)")
8067 (split for "op(s|u).S1 [rx=rx+i],ry")
8068 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8069 Apply cris_order_for_addsi3 when generating addsi3 insns.
8071 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8073 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8074 (TREE_BLOCK): Add call to EXPR_CHECK.
8076 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8079 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8080 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8081 (dump_omp_clauses): ... here.
8082 (dump_generic_node): Handle OMP_CLAUSE.
8083 * tree.c (omp_clause_num_ops): New.
8084 (omp_clause_code_name): New.
8085 (tree_code_size): Handle OMP_CLAUSE.
8086 (tree_size): Likewise.
8087 (make_node): Document handling of OMP_CLAUSE.
8088 (tree_node_structure): Handle OMP_CLAUSE.
8089 (omp_clause_check_failed): New.
8090 (omp_clause_range_check_failed): New.
8091 (omp_clause_operand_check_failed): New.
8092 (build_omp_clause): New.
8093 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8094 * tree.h (enum omp_clause_code): Declare.
8095 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8096 (OMP_CLAUSE_RANGE_CHECK): Define.
8097 (OMP_CLAUSE_ELT_CHECK): Define.
8098 (omp_clause_check_failed): Declare.
8099 (omp_clause_operand_check_failed): Declare.
8100 (omp_clause_range_check_failed): Declare.
8101 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
8102 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
8103 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
8104 (OMP_CLAUSE_LASTPRIVATE): Likewise.
8105 (OMP_CLAUSE_IF_EXPR): Likewise.
8106 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
8107 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
8108 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
8109 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
8110 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8111 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8112 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8113 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8114 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8115 (OMP_CLAUSE_CODE): Define.
8116 (OMP_CLAUSE_SET_CODE): Define.
8117 (OMP_CLAUSE_CODE): Define.
8118 (OMP_CLAUSE_OPERAND): Define.
8119 (struct tree_omp_clause): Declare.
8120 (union tree_node): Add field 'omp_clause'.
8121 * treestruct.def (TS_OMP_CLAUSE): Define.
8122 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8123 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8124 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8125 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8126 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8127 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8128 (OMP_CLAUSE): Define.
8129 * print-tree.c (print_node): Handle OMP_CLAUSE.
8130 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8131 * c-typeck.c: Likewise.
8132 * gimplify.c: Likewise.
8133 * c-omp.c: Likewise.
8134 * tree-nested.c: Likewise.
8135 * tree-inline.c: Likewise.
8136 * c-parser.c: Likewise.
8137 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8140 2006-01-25 Roger Sayle <roger@eyesopen.com>
8142 PR rtl-optimization/25703
8143 * combine.c (try_combine): Handle zero_extract and strict_low_part
8144 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8146 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8148 * global.c: Fix comment typos.
8150 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8153 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8154 Use output_addr_const instead of assemble_name.
8156 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8158 * Makefile.in (sched-vis.o): Update dependencies.
8159 * haifa-sched.c (sched_finish): Clear current_sched_info.
8160 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8161 (dump_flow_info): Call it.
8162 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8164 * basic-block.h (dump_bb_info): Declare.
8165 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8166 option, and apply options only for dump files whose TDF_RTL,
8167 TDF_TREE, or TDF_IPA bits match.
8168 * rtl.h: Declare new functions exported from sched-vis.c.
8169 * sched-vis.c: Enable also if scheduling is not used.
8170 (print_value): Print the mode of registers if not inside scheduling.
8171 (print_insn): Make it work outside the scheduler. Beautify the output
8173 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8175 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8177 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8178 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8179 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8180 depending on the value of CONSTANT_POOL_ADDRESS_P.
8181 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8183 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8184 rather than SYMBOL_REF_DECL.
8185 (rtx_constant_pool): Remove const_rtx_sym_htab.
8186 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8187 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8188 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8189 Remove handling of const_rtx_sym_htab.
8190 (find_pool_constant): Delete.
8191 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8192 rather than find_pool_constant.
8193 (get_pool_constant_for_function): Delete.
8194 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8196 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
8197 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
8198 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
8199 (SYMBOL_REF_CONSTANT): New macro.
8200 (get_pool_constant_for_function): Delete.
8201 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8202 rather than SYMBOL_REF_DECL.
8203 (i386_pe_mark_dllimport): Likewise.
8204 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8205 rather than SYMBOL_REF_DECL.
8206 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8207 (machopic_indirect_call_target): Likewise.
8209 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
8211 * flow.c (delete_noop_moves): Add missing EOL to dump message.
8213 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8215 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
8217 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
8219 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
8221 2006-01-24 David Daney <ddaney@avtrex.com>
8224 * configure.ac (enable_tls): New enable option.
8225 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
8226 * configure: Regenerate.
8227 * doc/install.texi (--enable-tls): Document new option.
8228 (--disable-tls): Ditto.
8230 2006-01-24 Richard Henderson <rth@redehat.com>
8232 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
8233 * alias.c (true_dependence): Respect it.
8234 (canon_true_dependence, write_dependence_p): Likewise.
8235 * builtins.c (get_builtin_sync_mem): Set it.
8237 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
8239 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
8242 2006-01-24 DJ Delorie <dj@redhat.com>
8244 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8245 for storing constants in single-bit bitfields.
8247 2006-01-25 Ben Elliston <bje@au.ibm.com>
8249 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8251 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8254 * tree-ssa-pre.c (phi_translate): Return NULL
8255 for AGGREGATE_TYPE's.
8257 2006-01-24 Zack Weinberg <zackw@panix.com>
8259 * genautomata.c (process_state_for_insn_equiv_partition):
8260 Use xcalloc for insn_arcs_array.
8261 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8262 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8264 2006-01-24 Richard Henderson <rth@redhat.com>
8266 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8269 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8271 PR rtl-optimization/25890
8272 PR rtl-optimization/25905
8273 * combine.c (expand_compound_operation, expand_field_assignment):
8274 Fail if the bitfield's final position is out of bounds.
8276 2006-01-24 Ian Lance Taylor <ian@airs.com>
8279 * cgraphunit.c (cgraph_output_in_order): Don't clear
8280 cgraph_asm_nodes until after asm strings have been output.
8282 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8284 * fix-header.c (read_scan_file): Add new parameter imultilib when
8285 calling register_include_chains.
8287 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8289 * omp-low.c: Update documentation.
8291 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8292 Daniel Berlin <dberlin@dberlin.org>
8296 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8297 return from the function.
8299 2006-01-22 Zack Weinberg <zackw@panix.com>
8301 * rtl.def (match_code): Add second argument.
8302 * genpreds.c (write_extract_subexp): New function.
8303 (write_match_code): Add path argument. Use write_extract_subexp.
8304 (write_predicate_expr): Pass path to write_match_code.
8305 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8306 not perform a mode test.
8307 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8308 a subexpression does not constrain the top-level code set.
8309 * read-rtl.c (read_rtx_variadic): New function.
8310 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8311 * doc/md.texi: Document new notation.
8312 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8313 (cmpsi_operand): ... here, using new notation.
8315 2006-01-22 Zack Weinberg <zackw@panix.com>
8317 * varray.c: Remove GENERATOR_FILE #ifdefs.
8319 2006-01-22 Zack Weinberg <zackw@panix.com>
8321 * genautomata.c (output_reserved_units_table): Emit nothing if
8322 description->query_units_num is zero. Remove extra blank line.
8323 (output_cpu_unit_reservation_p): Short circuit
8324 if description->query_units_num is zero.
8326 2006-01-22 Zack Weinberg <zackw@panix.com>
8328 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8329 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8330 nor any of the random handful of variables that used to be necessary
8331 when this program was linked with rtlanal.o. Prune set of forward
8332 function declarations.
8333 (struct attr_desc): Remove static_p field.
8334 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8335 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8336 (attr_string): Do not read the character one past the length of
8338 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8339 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8340 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8341 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8342 (make_automaton_attrs): New.
8343 (main): Do not call into genautomata. Call local gen_bypass
8344 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8345 Remove special case for insn_alts.
8346 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8347 varray.h (leftover from previous change). Prune set of forward
8348 function declarations. Remove state_alts fields from all
8349 structures. Remove state_alts_table from struct automaton.
8350 Make everything except main static. Do not maintain num_dfa_decls.
8351 Do not maintain state_alts fields of various structures.
8352 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8353 (add_arc): Remove state_alts argument. All callers updated.
8354 (output_reserved_units_table): Emit #ifdef here...
8355 (output_tables): ...not here. Don't generate state_alts tables.
8356 (expand_automata): Don't generate attributes.
8357 (write_automata): Don't generate state_alts functions.
8358 (main): New function.
8359 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8360 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8361 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8362 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8363 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8364 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8365 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8366 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8368 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8369 * genattrtab.h: Delete file.
8370 * Makefile.in (OBJS-common): Add insn-automata.o.
8371 (insn-automata.o): New rule.
8372 (simple_generated_c): Add insn-automata.c.
8373 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8374 (genprogmd): Add automata.
8375 (build/genattrtab): Needs no extra objects nor libraries.
8376 (build/genautomata): Needs build/vec.o and -lm.
8378 2006-01-22 Zack Weinberg <zackw@panix.com>
8380 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8381 (output_dfa_max_issue_rate, locked_states_num): Delete.
8382 (struct automaton): Add locked_states field.
8383 (output_dead_lock_vect): Save number of locked states in
8384 automaton->locked_states. If it is zero, don't print anything.
8385 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8386 (output_internal_dead_lock_func): Only test the dead_lock_vect
8387 for automata that have locked states.
8388 (output_statistics): Always print the number of locked states for
8389 each automaton. Calculate total number of locked states here.
8390 (write_automata): Don't call output_dfa_max_issue_rate.
8391 * genattrtab.c: Define length_unit_log as a const variable.
8392 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8393 max_insn_queue_index const.
8394 * final.c (length_unit_log): Declare const.
8395 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8397 2006-01-22 Zack Weinberg <zackw@panix.com>
8399 * genautomata.c: Include vec.h, not varray.h.
8400 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8401 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8402 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8403 VEC_* macros operating on appropriately typed vectors, or to
8404 malloced arrays when the size is known in advance. Const-ify
8405 many char* variables and function arguments. No functional changes.
8406 * Makefile.in (build/varray.o): Delete rule.
8407 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8408 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8410 2006-01-22 Zack Weinberg <zackw@panix.com>
8412 * gensupport.c: Define get_insn_name and record_insn_name here.
8413 (read_md_rtx): Call record_insn_name as appropriate.
8414 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8415 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8416 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8418 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8419 (BUILD_VARRAY): Delete.
8420 (genprognormal): Rename genprogmd. Fold in all programs from
8421 genprognoprint; also attrtab.
8422 (build/genattrtab): Just mention genautomata.o and varray.o.
8423 Reorganize a bit, add comments to make the categories clearer.
8425 2006-01-22 Zack Weinberg <zackw@panix.com>
8427 * genconditions.c (condition_table, add_condition): Delete.
8428 (write_conditions): Don't emit n_insn_conditions nor
8429 insn_elision_unavailable. Issue the gcc version #ifdef here,
8430 inside the table, with no #else clause ...
8431 (write_header): ...not here.
8432 (write_writer): New function.
8433 (main): Don't initialize condition_table. Use add_c_test.
8435 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8436 files on the command line.
8437 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8438 Return -1 if there is no entry in the table, don't abort.
8439 (add_c_test, traverse_c_tests): New functions.
8440 * gensupport.h (insn_elision_unavailable, insn_conditions)
8441 (n_insn_conditions): Delete declarations.
8442 (add_c_test, traverse_c_tests): Declare.
8443 * read-rtl.c: Include gensupport.h.
8444 (read_conditions): New function.
8445 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8446 (read_rtx_1): If we get EOF when we were looking for an initial
8447 open paren, return 0. Call read_conditions when appropriate.
8448 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8449 dummy-conditions.o. Eliminate references to insn-conditions.o,
8450 or change them to build/gencondmd.o, as appropriate. Remove
8451 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8452 from $(simple_generated_c). For all files remaining in those
8453 two lists, add insn-conditions.md to the generator command line.
8454 Give insn-constants.h/s-constants their own rules. Add rules
8455 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8456 (build/read-rtl.o): Depend on gensupport.h.
8457 (genprognormal): Include preds.
8458 (genprogearly): Rename genprognoprint; only difference is now that
8459 they don't link with $(BUILD_PRINT).
8460 * dummy-conditions.c: Delete.
8462 2006-01-22 Zack Weinberg <zackw@panix.com>
8464 * genextract.c: Don't include insn-config.h. Do include vec.h.
8465 Declare vectors of int, char, and locstr.
8466 (locstr): New typedef.
8467 (struct extraction): Make all array fields into bare pointers.
8468 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8469 (insn_code_number): Delete.
8470 (accum_extract): New struct.
8471 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8472 (gen_insn): Take insn_code_number as an argument. Use an
8473 accum_extract structure instead of loading data directly into
8474 a struct extraction, and having to know how big it might get.
8475 (walk_rtx): Operate entirely on an accum_extract structure.
8476 (print_path): Avoid unnecessary use of printf.
8477 (print_header): New function, split out of main. Distinguish
8478 more carefully between an unrecognizable insn and an insn that
8479 has the code number of a define_expand.
8480 (main): Pass insn_code_number to gen_insn. Call print_header
8481 only after parsing. Avoid unnecessary use of printf.
8482 * Makefile.in (build/vec.o): New rule.
8483 (build/genextract): Depend on build/vec.o.
8484 (build/genextract.o): Don't depend on insn-config.h.
8486 2006-01-22 Zack Weinberg <zackw@panix.com>
8488 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8489 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8490 practical. Eliminate per-generator-program link rules.
8492 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8495 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8496 with a call expr to ...
8497 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8499 2006-01-23 Richard Guenther <rguenther@suse.de>
8501 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8502 before make_edge with conditional EDGE_TRUE_VALUE.
8504 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8505 Jan Hubicka <jh@suse.cz>
8506 Richard Guenther <rguenther@suse.de>
8508 PR rtl-optimization/25654
8509 * cfgexpand.c (aggregate_contains_union_type): New function.
8510 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8511 for structure variables that contain a union type.
8513 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8515 * gengtype.c (new_structure): Return the structure.
8516 (create_option): Add an extra "next" argument.
8517 (create_field): New function.
8518 (adjust_field_rtx_def): Use create_option and create_field.
8519 Remove a now-unnecessary call to find_structure.
8520 (adjust_field_tree_def): Likewise.
8521 (note_yacc_type): Remove an unnecessary call to find_structure.
8522 * gengtype.h (new_structure): Return the structure.
8523 (create_option): Add an extra argument.
8524 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8525 (option): Adjust calls to create_option.
8527 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8529 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8531 2006-01-22 Paul Brook <paul@codesourcery.com>
8532 Peter Barada <peter@the-baradas.com>
8534 * config/m68k/m68k.md: Add Coldfire FPU support.
8535 Define FP mode macro and associated attributes.
8536 Use it for float mode patterns.
8537 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8538 (LIBCALL_VALUE): Use m68k_libcall_value.
8539 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8540 (m68k_function_value): Ditto.
8541 (emit_move_sequence): Ditto.
8542 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8543 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8544 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8545 (MULTILIB_EXCEPTIONS): Ditto.
8546 * config/m68k/m68k.opt: Add mcfv4e.
8547 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8548 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8549 (m68k_output_function_prologue): Save ColdFire FPU registers.
8550 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8551 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8552 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8553 ColdFire FPU registers.
8554 (m68k_libcall_value, m68k_function_value): New functions.
8555 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8556 (LIBCALL_VALUE): Use m68k_libcall_value.
8557 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8558 (MASK_COLDFIRE): Add MASK_CFV4E.
8559 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8560 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8561 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8562 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8563 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8564 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8565 * doc/invoke.tex: Document -mcfv4e on m68k.
8567 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8569 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8572 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8575 * c-opts.c (c_common_handle_option): Don't include
8576 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8577 * doc/invoke.texi (C++ Dialect Options): Document that
8578 -Wnon-virtual-dtor is no longer included in -Wall.
8580 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8582 * gcov.c (print_version), gcov-dump.c (print_version),
8583 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8586 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8588 * df-scan.c (problem_SCAN): Added NULL reset function.
8589 (df_scan_reset_blocks): Added code to call reset block function
8590 (df_bb_refs_delete) Fixed comment.
8591 (df_insn_refs_delete): Made tolerant of deleting non existent info
8592 for dataflow problems that need to be reset.
8593 * df-core.c (df_set_blocks): Ditto.
8594 * df.h (struct df_problem): Added reset_fun.
8595 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8596 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8597 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8598 functions to clear out all references to def-use or use-def chains.
8600 2006-01-21 Ben Elliston <bje@au.ibm.com>
8602 * varasm.c (assemble_real): Initialise data array.
8604 2006-01-20 Paul Brook <paul@codesourcery.com>
8606 Merge from csl-arm-branch.
8607 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8608 * config/arm/arm.md (movdi): Force operands[1] to a register
8609 if we have a non-register source.
8610 (*arm_movdi, *movdf_soft_insn): Require that one of the
8611 operands be a register.
8612 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8613 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8615 2006-01-20 DJ Delorie <dj@redhat.com>
8617 * varasm.c (initialize_constant_valid_p): Allow pointers
8618 initialized from integer constants of lesser precision.
8619 (output_constant): Allow non-int-sized pointer modes to be
8620 initialized from integer constants.
8622 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8625 * cppdefault.h (struct default_include): Add multilib flag.
8626 * cppdefault.c (cpp_include_defaults): Set it.
8627 * c.opt (-imultilib): New option.
8628 * c-opts.c (imultilib): New.
8629 (c_common_handle_option): Handle -imultilib.
8630 (c_common_post_options): Likewise.
8631 * c-incpath.c (add_standard_paths, register_include_chains):
8633 * c-incpath.h (register_include_chains): Add extra parameter.
8634 * gcc.c (do_spec_1): Generate -imultilib option.
8635 (The Specs Language): Update %I description.
8636 (process_command): Update copyright notice.
8637 * doc/cppopts.texi (-imultilib): Document.
8638 * doc/invoke.texi (-imultilib): Include in option summary.
8639 (%I): Update specs documentation.
8641 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8643 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8645 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8647 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8650 2006-01-20 Richard Guenther <rguenther@suse.de>
8651 Steven Bosscher <stevenb.gcc@gmail.com>
8653 PR rtl-optimization/24626
8654 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8655 EDGE_TRUE_VALUE if in RTL mode.
8658 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8659 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8661 2006-01-20 Dirk Mueller <dmueller@suse.com>
8664 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8665 instead of a special NOP marker.
8666 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8667 NOP marker handling.
8668 * c-common.h (empty_body_warning): Add forward declaration.
8669 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8670 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8672 2006-01-20 Paul Brook <paul@codesourcery.com>
8674 * Makefile.in (lang_checks): Keep going if mkdir fails.
8676 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8678 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8679 be able to clean out basic block when not necessary.
8680 (df_scan_free): Fixed to properly delete information if df is
8681 unused before calling df_finish.
8682 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8683 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8685 (df_bb_refs_delete): New function.
8686 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8687 * df-core.c (df_set_blocks): Added code to properly clean out
8688 unused blocks if they are not part of the blocks to consider.
8689 Added additional null check.
8690 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8691 be able to clean out basic block when not necessary
8692 * df.h (df_free_bb_function): Ditto.
8693 (df_bb_refs_delete): New function.
8694 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8695 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8696 basic block parameter to be able to clean out basic block when not
8698 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8699 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8700 Fixed to properly delete information if df is unused before
8703 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8705 PR rtl-optimization/25799
8706 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8707 Corrected confluence operator to remove bits from op2 before oring
8708 with op1 rather than removing bits from op1.
8709 (df_ru_transfer_function): Corrected test on wrong bitmap which
8710 caused infinite loop. Both of these problems were introduced in
8711 the dataflow rewrite.
8713 2006-01-19 DJ Delorie <dj@redhat.com>
8715 * reload1.c (find_reload_regs): Note the details of reload
8716 failures in the dump file.
8717 (spill_failure): Likewise.
8719 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8721 * loop-iv.c: Include df.h and hashtab.h.
8722 (enum iv_grd_result): New enum.
8723 (DF_REF_IV, DF_REF_IV_SET): New macros.
8724 (struct biv_entry): New.
8725 (df, bivs): New global variables.
8726 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8727 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8729 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8730 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8731 analyzed_for_bivness_p, record_biv): New functions.
8732 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8733 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8734 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8736 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8738 (iv_number_of_iterations): Use new interface to iv analysis.
8739 * loop-unroll.c: Do not include varray.h.
8740 (analyze_iv_to_split_insn): Use new interface to iv
8742 * loop-unswitch.c (may_unswitch_on): Ditto.
8743 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8745 (df_bb_modify): Realloc tables to the new index.
8746 (df_find_use): New function.
8747 * df.h (df_find_use): Declare.
8748 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8750 * cfgloop.h (struct rtx_iv): Remove analysed field.
8751 (iv_get_reaching_def): Removed.
8752 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8753 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8754 (loop-iv.o): Add df.h and hashtab.h dependency.
8755 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8757 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8760 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8762 (__floatundisf, __floatundidf): Likewise.
8763 * libgcc2.h (IS_IBM_EXTENDED): Define.
8765 2006-01-19 DJ Delorie <dj@redhat.com>
8767 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8769 2006-01-19 Paul Brook <paul@codesourcery.com>
8771 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8772 as nothrow when unwinding tables are disabled.
8774 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8777 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8778 of bit-field" when in system header.
8780 2006-01-19 DJ Delorie <dj@redhat.com>
8782 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8783 the 16 bit shift limit of the m16c.
8785 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8788 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8789 * config/i386/i386.c (output_set_got): Output the label if we have one
8790 for the TARGET_DEEP_BRANCH_PREDICTION case.
8792 2006-01-19 Jan Hubicka <jh@suse.cz>
8793 H.J. Lu <hongjiu.lu@intel.com>
8794 Evandro Menezes <evandro.menezes@amd.com>
8796 * invoke.texi (generic): Document
8798 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8799 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8800 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8801 (x86_use_incdec, x86_pad_returns): New variables
8802 (TARGET_CPU_DEFAULT_generic): New constant
8803 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8804 (enum processor_type): Add generic32 and generic64.
8805 * i386.md (cpu attribute): Add generic32/generic64
8806 (movhi splitter): Behave sanely when both partial_reg_dependency and
8807 partial_reg_stall are set.
8808 (K8 splitters): Enable for generic as well.
8809 * predicates.md (incdec_operand): Use TARGET_INCDEC
8810 (aligned_operand): Avoid memory mismatch stalls.
8811 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8812 * ppro.md: Enable for generic32
8813 * i386.c (generic64_cost, generic32_cost): New.
8814 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8815 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8816 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8817 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8818 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8819 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8820 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8821 x86_accumulate_outgoing_args, x86_prologue_using_move,
8822 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8823 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8825 (x86_use_incdec, x86_pad_returns): New.
8826 (override_options): Add generic32 and generic64, translate "generic"
8827 to generic32/generic64 and "i686" to "generic32", refuse
8828 "generic32"/"generic64" as arch target.
8829 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8830 (ix86_reorg): Honor PAD_RETURNS.
8832 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8834 * tree-pretty-print.c (dump_generic_node): Handle
8835 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8836 * cgraph.c (cgraph_expand_queue): Rename from
8837 cgraph_analyze_queue. Update all users.
8838 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8839 cgraph_expand_queue.
8840 (cgraph_expand_all_functions): Likewise.
8841 (cgraph_finalize_pending_functions): Remove. Update callers.
8843 * tree.h (OMP_DIRECTIVE_P): Define.
8844 (OMP_PARALLEL_FN): Define.
8845 (OMP_PARALLEL_DATA_ARG): Define.
8846 (OMP_SECTIONS_SECTIONS): Define.
8847 * tree-pass.h (pass_expand_omp): Declare.
8848 * omp-low.c (struct omp_region): Declare.
8849 (struct omp_context): Remove fields 'parallel_type',
8850 'parallel_start_ix' and 'parallel_start_additional_args'.
8852 (struct omp_for_data): Rename from struct expand_omp_for_data.
8853 (omp_regions): New static variable.
8854 (root_omp_region): New static variable.
8855 (find_omp_clause): Make static.
8856 (is_in_combined_parallel_ctx): Remove.
8857 (is_combined_parallel): New.
8858 (extract_omp_for_data): Move earlier in the file.
8859 (workshare_safe_to_combine_p): New.
8860 (get_ws_args_for): New.
8861 (determine_parallel_type): Move earlier in the file.
8862 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8864 (omp_copy_decl): Likewise.
8865 (create_omp_child_function): Likewise.
8866 (lookup_omp_region): New.
8867 (dump_omp_region): New.
8868 (debug_omp_region): New.
8869 (debug_all_omp_regions): New.
8870 (new_omp_region): New.
8871 (scan_omp_parallel): If parallel_nesting_level > 1, the
8872 directive is nested within another parallel directive.
8873 Set OMP_PARALLEL_FN.
8874 (scan_omp_for): Do not try to handle combined parallel+for
8876 Remove FIXME comment.
8877 (scan_omp_nested): Remove.
8878 (scan_omp_1): Do not call scan_omp_nested when
8879 parallel_nesting_level is > 1.
8880 Do not change the DECL_CONTEXT of local variables found.
8881 (lookup_decl_in_outer_ctx): New.
8882 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8883 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8884 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8885 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8886 If CTX is nested, lookup VAR in the outer context when
8887 building copy assignment.
8888 (lower_send_clauses): Rename from expand_send_clauses.
8889 If CTX is nested, lookup VAR in the outer context when
8890 building copy assignments.
8891 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8892 If CTX is nested, lookup VAR in the outer context when
8893 building copy assignments.
8894 (expand_parallel_call): Rename from build_parallel_call.
8895 Handle combined parallel+workshare cases.
8896 Re-implement to emit code into the CFG.
8898 (expand_omp_parallel): Re-implement to emit code into the CFG.
8899 Call move_sese_region_to_fn to outline the sub-graph
8900 containing the parallel region.
8901 (expand_omp_for_1): Remove.
8902 (expand_omp_for_generic): Re-implement to emit code into the
8904 (expand_omp_for_static_nochunk): Likewise.
8905 (expand_omp_for_static_chunk): Likewise.
8906 (expand_omp_for): Likewise.
8907 (expand_omp_sections): Likewise.
8908 (remove_exit_barriers): New.
8909 (expand_omp_synch): New.
8911 (build_omp_regions_1): New.
8912 (build_omp_regions): New.
8913 (execute_expand_omp): New.
8914 (gate_expand_omp): New.
8915 (pass_expand_omp): Define.
8916 (lower_omp_sections): Rename from expand_omp_sections.
8917 Set OMP_SECTIONS_SECTIONS.
8918 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8919 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8920 (lower_omp_single): Rename from expand_omp_simple.
8921 (lower_omp_master): Rename from expand_omp_master.
8922 (lower_omp_ordered): Rename from expand_omp_ordered.
8923 (lower_omp_critical): Rename from expand_omp_critical.
8924 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8925 (lower_omp_for): Re-implement.
8926 (lower_omp_parallel): Re-implement.
8927 (lower_regimplify): Rename from expand_regimplify.
8928 (lower_omp_1): Rename from expand_omp_1.
8929 If there are syntax errors in the program, replace every
8930 OpenMP directive with NOP.
8931 Call lower_omp_* instead of expand_omp_*.
8932 (lower_omp): Rename from expand_omp.
8934 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8935 * tree-gimple.h (enum omp_parallel_type): Remove.
8936 (gimple_boolify): Declare extern.
8937 (find_omp_clause, determine_parallel_type): Remove.
8939 * gimple-low.c (lower_omp_directive): New.
8940 (lower_stmt): Call it.
8941 (record_vars_into): Move from ...
8942 (record_vars): ... here.
8943 Call record_vars_into with current_function_decl.
8945 * gimplify.c (struct gimplify_ctx): Remove fields
8946 combined_pre_p and combined_ctxp. Update users.
8947 (get_formal_tmp_var): Add documentation.
8948 (gimple_boolify): Make extern.
8949 (gimplify_expr_in_ctx): Remove. Update callers.
8950 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8951 will always be a BIND_EXPR.
8952 (gimplify_expr): Handle OMP_RETURN_EXPR.
8953 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8954 (OMP_PARALLEL): Add 3 operands.
8955 (OMP_SECTIONS): Add 1 operand.
8956 (OMP_RETURN_EXPR): Define.
8958 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8959 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8960 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8961 creating a circular free list.
8962 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8964 * tree-flow.h (move_sese_region_to_fn): Declare.
8965 (record_vars_into): Declare.
8966 * tree-cfg.c (make_omp_sections_edges): New.
8967 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8968 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8969 OMP_SECTIONS and OMP_SECTION.
8970 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8971 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8972 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8973 (gather_blocks_in_sese_region): New.
8974 (struct move_stmt_d): Declare.
8976 (move_block_to_fn): New.
8977 (move_sese_region_to_fn): New.
8979 * passes.c (init_optimization_passes): Schedule
8980 pass_expand_omp after pass_init_datastructures.
8982 * tree-ssa-operands.c (get_expr_operands): Handle
8983 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8984 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8986 2006-01-19 Jeff Law <law@redhat.com>
8988 * tree-vrp.c (extract_range_from_assert): Refine the result range
8989 if the variable referenced by the ASSERT_EXPR has a range and
8990 either the tentative result range or the previous range is a
8993 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8995 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8997 2006-01-19 Jan Hubicka <jh@suse.cz>
8999 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9001 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9003 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9004 (expand_compound_operation, expand_field_assignment): Fail if the
9005 bit lengths of an extract operation are out of range.
9006 (make_extraction): Compute wanted_inner_mode based on the position
9007 and length of the extraction. Make it extraction_mode for non-constant
9008 positions, and do not modify offset in that case. When generating a
9009 new MEM, use a mode that can hold the extraction while keeping correct
9010 alignment. Remove code that supported MEMs wrapped by USEs.
9011 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9013 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9015 * config/s390/s390.md ("Y", "y"): New mode attribute.
9016 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9017 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9018 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9019 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9020 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9021 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9022 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9023 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9024 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9025 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
9026 "addsi3", "subsi3"): Insn patterns removed.
9027 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
9028 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
9029 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
9030 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
9031 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
9032 "*sub<mode>3_cconly2"): New insn patterns.
9033 ("addsi3", "subsi3"): New expanders.
9035 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9037 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9038 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9039 existing STMT_VINFO_VECTYPE if available.
9040 (vect_mark_relevant): Add special handling for stmts that are
9041 marked as STMT_VINFO_IN_PATTERN_P.
9042 (vect_analyze_loop): Call vect_pattern_recog.
9043 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
9044 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
9046 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
9047 (vect_recog_func_ptr): New function-pointer type.
9048 * tree-vect-patterns.c: New file.
9049 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
9050 (vect_recog_dot_prod_pattern, vect_pattern_recog):
9051 (vect_pattern_recog_1): New functions.
9052 (vect_pattern_recog_funcs): New array of function pointers.
9054 * tree-vectorizer.h (ternary_op): New enum value.
9055 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9056 declaration. Revised documentation. Removed redundant dump prints.
9057 Removed redundant argument. Added support for reduction patterns.
9058 (vectorizable_reduction): Added support for reduction patterns.
9059 (vect_transform_stmt): Added support for patterns.
9061 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9062 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9063 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9064 (expand_widen_pattern_expr): New function.
9065 (init_optabs): Initialize new optabs udot_prod_optab,
9067 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9068 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9069 (expand_widen_pattern_expr): New function declaration.
9070 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9072 * tree-inline.c (estimate_num_insns_1): Added cases for new
9073 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9074 * tree-pretty-print.c (dump_generic_node): Likewise.
9075 (op_prio): Likewise.
9076 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9077 * tree-ssa-operands.c (get_expr_operands): Added case for
9079 * tree-vect-patterns.c (widened_name_p): New function.
9080 (vect_recog_dot_prod_pattern): Added function implementation.
9081 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9082 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9083 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9084 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9086 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9087 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9088 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9089 (init_optabs): Initialize new optabs widen_ssum_optab,
9091 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9092 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9093 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9094 use instead of type of def.
9095 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9096 function implementation.
9097 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9098 widen_ssumv8hi): New.
9100 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
9103 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9106 * c-decl.c (add_flexible_array_elts_to_size): New function.
9107 (finish_decl): Use it.
9109 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9111 * diagnostic.h: Include options.h.
9112 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9113 dependancies for diagnostic.h.
9114 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9116 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9118 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9119 (ssa_ro_call_cache_valid): Ditto.
9120 * tree-ssa-alias.c (sort_tags_by_id): New function.
9121 (init_transitive_clobber_worklist): Ditto.
9122 (add_to_worklist): Ditto.
9123 (mark_aliases_call_clobbered): Ditto.
9124 (compute_tag_properties): Ditto.
9125 (set_initial_properties): Ditto.
9126 (compute_call_clobbered): Ditto.
9127 (compute_may_aliases): Call compute_call_clobbered and grouping.
9128 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9129 (compute_flow_insensitive_aliasing): Grouping now happens in our
9131 (setup_pointers_and_addressables): Remove clobbering related code.
9132 (add_may_alias): Ditto.
9133 (replace_may_alias): Ditto.
9134 (get_nmt_for): Ditto.
9135 (create_global_var):
9136 (is_escape_site): Return an escape_type enumeration.
9137 * tree-flow-inline.h (is_call_clobbered): Global var does not
9138 imply call clobbered.
9139 (mark_call_clobbered): Take a reason for marking this. Remove
9140 marking of globalness, and cache invalidation.
9141 (clear_call_clobbered): Remove cache invalidation code.
9142 * tree-dfa.c (dump_variable): If details is on, dump the reason
9144 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9146 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9147 (struct var_ann_d): Ditto.
9148 (enum escape_type): New.
9149 (mark_call_clobbered): Adjust prototype.
9150 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9151 are never call clobbered.
9152 Record reasons for escaping.
9153 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9154 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9155 (ssa_ro_call_cache_valid): Ditto.
9156 (clobbered_v_may_defs): Ditto.
9157 (clobbered_vuses): Ditto.
9158 (ro_call_vuses): Ditto.
9159 (clobber_stats): New.
9160 (init_ssa_operands): Zero out clobber stats.
9161 (fini_ssa_operands): Print out clobber stats.
9162 (get_call_expr_operands): Pass callee fndecl to
9164 (add_call_clobber_ops): Remove use of cache.
9165 Add use of PURE_CONST information.
9166 (add_call_read_ops): Remove use of cache.
9167 Add use of static not_read information.
9169 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9171 Introduce TLS descriptors for i386 and x86_64.
9172 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9173 (TARGET_ANY_GNU_TLS): New macro.
9174 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9175 (struct machine_function): Add tls_descriptor_call_expanded_p.
9176 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9177 (ix86_current_function_calls_tls_descriptor): Likewise.
9178 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9179 (override_options): Introduce gnu2 tls dialect.
9180 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9182 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9184 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9185 (ix86_init_machine_status): Initialize new field.
9186 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9187 (ix86_tls_module_base): New.
9188 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9189 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9190 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9191 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9192 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9193 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9194 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9195 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9196 * config/i386/predicates.md (tls_modbase_operand): New.
9197 (tp_or_register_operand): New.
9199 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
9201 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9202 (look_for_address_of): Ditto.
9203 (ipa_init): Walk the function decls.
9204 (static_execute): Don't set readonly on FUNCTION_DECL's.
9206 2006-01-18 Roger Sayle <roger@eyesopen.com>
9208 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
9209 for shifts where the source and destination registers are different.
9211 2006-01-18 Paul Brook <paul@codesourcery.com>
9213 Merge from csl-arm-branch.
9214 2005-03-14 Julian Brown <julian@codesourcery.com>
9215 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
9216 (aeabi_llsl): Likewise.
9217 (ashrdi3): Likewise.
9218 (aeabi_lasr): Likewise.
9219 (lshrdi3): Likewise.
9220 (aeabi_llsr): Likewise.
9221 2005-03-10 Julian Brown <julian@codesourcery.com>
9222 * config.gcc: Disable shared libgcc for SymbianOS.
9223 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
9225 2006-01-18 DJ Delorie <dj@redhat.com>
9227 * c-pragma.c (handle_pragma_diagnostic): New.
9228 (init_pragma): Register it.
9229 * doc/extend.texi: Document it.
9231 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
9232 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
9233 (diagnostic_context): Add classify_diagnostic[].
9234 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
9235 as errors if they're overridden to DK_WARNING.
9236 (diagnostic_initialize): Initialize classify_diagnostic[].
9237 (diagnostic_set_kind_override): New.
9238 (diagnostic_report_diagnostic): Check for kind changes.
9239 * opts.c (common_handle_option): Take lang_mask. Update callers.
9241 * common.opt (Werror=): New.
9242 * doc/invoke.texi: Document -Werror=*
9244 2006-01-18 Jeff Law <law@redhat.com>
9246 * tree-vrp.c (test_for_singularity): Correct test for new
9247 min limit. Use operand_equal_p rather than pointer equality
9248 for testing if new min/max values are equal.
9250 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9251 using range information until after propagation and folding.
9253 2006-01-18 Richard Henderson <rth@redhat.com>
9254 Aldy Hernandez <aldyh@redhat.com>
9255 Jakub Jelinek <jakub@redhat.com>
9256 Diego Novillo <dnovillo@redhat.com>
9258 * omp-low.c: New file.
9259 * c-omp.c: New file.
9261 2006-01-18 Richard Henderson <rth@redhat.com>
9262 Jakub Jelinek <jakub@redhat.com>
9263 Diego Novillo <dnovillo@redhat.com>
9265 * doc/invoke.texi: Document -fopenmp.
9266 * tree-dump.h (debug_function): Declare.
9267 * hooks.c (hook_bool_tree_bool_false): New function.
9268 (hook_tree_tree_null): Remove.
9269 (hook_tree_tree_tree_null): New.
9270 * hooks.h: Update to match.
9271 * tree-pretty-print.c (debug_tree_chain): New.
9272 (print_generic_expr): Handle TDF_CHAIN.
9273 (dump_generic_node): Handle BLOCK.
9274 Do not abort with incomplete SWITCH_EXPRs.
9275 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9276 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9277 print space after directive name.
9278 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9279 Handle OMP_MASTER and OMP_ORDERED.
9280 Handle printing of OMP_BODY just in one place, goto
9281 dump_omp_body in the rest of OMP_* nodes that have
9283 Don't handle clause nodes here. Update omp statements to
9284 use dump_omp_clauses.
9285 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9286 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9287 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9288 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9289 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9290 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9291 Adjust output for GOMP_PARALLEL.
9292 (dump_omp_clauses): New.
9293 (print_declaration): Dump DECL_VALUE_EXPR.
9294 (op_symbol_1): Split out of op_symbol.
9295 (dumping_stmts): Remove. Update all users.
9296 * cgraph.c (cgraph_analyze_queue): New.
9297 (cgraph_add_new_function): New.
9298 * cgraph.h (cgraph_analyze_queue): Declare.
9299 (cgraph_add_new_function): Declare.
9300 (cgraph_lower_function): Remove.
9301 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9302 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9303 and TYPE_P nodes in its default clause.
9304 (empty_body_p): New.
9305 (tree_range_check_failed): New.
9307 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9308 OMP_CLAUSE_REDUCTION_MERGE,
9309 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9310 OMP_CLAUSE_PRIVATE_DEBUG,
9311 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9312 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9313 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9314 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9315 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9316 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9317 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9318 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9319 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9320 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9321 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9322 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9323 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9324 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9325 (TREE_RANGE_CHECK): New.
9326 (empty_body_p): Declare.
9327 (enum omp_clause_default_kind): New.
9328 (build_string_literal): Declare.
9329 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9330 (build5_stat, build5): Declare.
9331 * tree-pass.h (TDF_CHAIN): Define.
9332 * tree-pass.h (PROP_gimple_lomp): Define.
9333 (pass_lower_omp): Declare.
9334 * diagnostic.h (debug_tree_chain): Declare.
9335 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9337 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9338 * builtins.c (build_string_literal): Make extern.
9339 * gcc.c (include_spec_function): New.
9340 (static_spec_functions): Add it.
9341 (main): Move load of libgomp.spec ...
9342 (LINK_COMMAND_SPEC): ... here.
9343 (link_gomp_spec): New.
9344 (static_specs): Include it.
9345 (LINK_COMMAND_SPEC): Add link_gomp.
9346 (GOMP_SELF_SPECS): New.
9347 (driver_self_specs): Include it.
9348 (switch_matches): Don't mark inline.
9349 (main): Load libgomp.spec.
9350 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9351 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9352 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9353 * tree-gimple.h (enum omp_parallel): Declare.
9354 (determine_parallel_type): Declare.
9355 (omp_firstprivatize_variable): Declare.
9356 (omp_reduction_init): Declare.
9357 (diagnose_omp_structured_block_errors): Declare.
9358 (struct walk_stmt_info): Add want_return_expr.
9359 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9360 (find_omp_clause): Declare.
9361 (insert_field_into_struct): Declare.
9362 (struct walk_stmt_info): Move from tree-nested.c
9363 (walk_stmts): Declare.
9364 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9366 * cgraphunit.c (cgraph_lower_function): Make static.
9367 (cgraph_finalize_pending_functions): New.
9368 (cgraph_finalize_function): Call it.
9369 (cgraph_finalize_compilation_unit): Likewise.
9370 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9371 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9372 (BT_FN_UINT_UINT): New.
9373 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9374 DEF_FUNCTION_TYPE_VAR_4): Document.
9375 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9376 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9377 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9378 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9379 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9380 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9381 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9382 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9383 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9384 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9385 into separate files.
9386 (DEF_GOMP_BUILTIN): New.
9387 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9388 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9389 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9390 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9391 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9392 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9393 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9394 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9395 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9396 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9397 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9398 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9399 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9400 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9401 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9402 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9403 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9404 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9405 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9406 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9407 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9408 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9409 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9410 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9411 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9412 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9413 * sync-builtins.def: New file, moved from builtins.def.
9414 * omp-builtins.def: New file, moved from builtins.def.
9415 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9416 * gimple-low.c (lower_function_body): Clear data.
9417 (lower_stmt): Do not handle COMPOUND_EXPR.
9418 Remove call to print_node_brief.
9419 * c-tree.h (c_finish_omp_clauses): New prototype.
9420 (C_DECL_THREADPRIVATE_P): Define.
9421 (lookup_name_no_remap, c_omp_remap_private): Remove
9422 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9423 (check_for_loop_decls): Update decl.
9424 (lookup_name_no_remap, c_omp_remap_private): Declare.
9425 (build_indirect_ref, build_modify_expr, pushdecl,
9426 pushdecl_top_level): Move to c-common.h.
9427 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9428 before the switch, but just in the 2 places that need it.
9429 * c-decl.c (diagnose_mismatched_decls): Do not check for
9430 mismatched thread-local attributes when OLDDECL is marked
9431 threadprivate and NEWDECL has no thread-local attributes.
9432 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9433 (c_gimple_diagnostics_recursively): Rename from
9434 c_warn_unused_result_recursively. Invoke
9435 diagnose_omp_structured_block_errors.
9436 (check_for_loop_decls): Return a singular decl found.
9437 * langhooks.c (lhd_omp_predetermined_sharing): Return
9438 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9439 (lhd_omp_firstprivatize_type_sizes): New.
9440 (lhd_omp_assignment): New.
9441 (lhd_omp_predetermined_sharing): New.
9442 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9443 (struct lang_hooks_for_types): Add
9444 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9445 omp_predetermined_sharing, omp_disregard_value_expr,
9446 omp_private_debug_clause, omp_clause_default_ctor,
9447 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9448 (c_finish_omp_clauses): New.
9449 (c_finish_bc_stmt): Diagnose break within omp for.
9450 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9451 (build_unary_op): Return error_mark after reporting
9453 (build_modify_expr): Likewise.
9454 * gimplify.c: Include optabs.h and pointer-set.h.
9455 (enum gimplify_omp_var_data): Declare.
9456 (struct gimplify_omp_ctx): Declare.
9457 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9459 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9460 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9461 (splay_tree_compare_decl_uid): New.
9462 (new_omp_context): New.
9463 (delete_omp_context): New.
9464 (gimple_add_tmp_var): Call omp_add_variable.
9465 (gimplify_bind_expr): Likewise.
9466 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9467 true, disregard DECL_VALUE_EXPR on the decl if any.
9468 (gimplify_expr_in_ctx): New.
9469 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9470 omp_add_variable, omp_notice_variable, omp_is_private
9471 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9472 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9473 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9474 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9475 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9476 gimplify_omp_atomic): New.
9477 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9478 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9479 OMP_CRITICAL and OMP_ATOMIC.
9480 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9481 * c-pragma.h (enum pragma_kind): Add
9482 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9483 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9484 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9485 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9486 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9487 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9488 PRAGMA_OMP_THREADPRIVATE.
9489 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9490 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9491 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9492 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9493 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9494 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9495 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9496 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9497 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9498 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9499 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9500 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9501 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9503 (struct nesting_info): Add field_map,
9504 suppress_expansion, debug_var_chain.
9505 (create_nesting_tree): Initialize them.
9506 (lookup_field_for_decl): Use field_map.
9507 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9508 (convert_local_omp_clauses): New.
9509 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9510 (walk_body): Split out of walk_function.
9511 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9512 (convert_nonlocal_reference): Handle omp statements.
9513 (convert_local_reference): Likewise.
9514 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9515 (unnest_nesting_tree): New.
9516 (lower_nested_functions): Call it.
9517 (insert_field_into_struct): Make extern.
9518 (struct walk_stmt_info): Move to tree-gimple.h.
9519 (walk_stmts): Make extern.
9520 * omp-builtins.def: New file.
9521 * tree-iterator.c (expr_only): Clarify comment.
9522 * c-common.h (pushdecl_top_level, pushdecl,
9523 build_modify_expr, build_indirect_ref,
9524 c_finish_omp_master, c_finish_omp_critical,
9525 c_finish_omp_ordered, c_finish_omp_barrier,
9526 c_finish_omp_atomic, c_finish_omp_flush,
9527 c_finish_omp_for, c_split_parallel_clauses,
9528 omp_clause_default_kind, c_omp_sharing_predetermined,
9529 c_omp_remap_decl): Declare.
9530 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9531 (OBJS-common): Add omp-low.o.
9532 (c-omp.o, omp-low.o): Add.
9533 (gimplify.o): Add dependency on $(OPTABS_H).
9534 (GTFILES): Add omp-low.c.
9535 (gt-stringpool.h): Add.
9536 * tree-cfg.c (set_bb_for_stmt): Do not update the
9537 block-to-labels map if we are currently expanding to RTL.
9538 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9540 Handle IDENTIFIER_NODE.
9541 (tree_verify_flow_info): Do not ICE when emitting error
9542 messages about invalid labels.
9543 (dump_function_to_file): Reset CFUN before emitting the body
9545 (debug_function): New.
9546 * passes.c (init_optimization_passes): Schedule
9548 * langhooks-def.h (lhd_omp_predetermined_sharing,
9549 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9551 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9552 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9553 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9554 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9555 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9556 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9557 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9558 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9559 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9560 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9561 (LANG_HOOK_DECLS): Use them.
9563 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9564 Richard Henderson <rth@redhat.com>
9565 Jakub Jelinek <jakub@redhat.com>
9566 Diego Novillo <dnovillo@redhat.com>
9568 * c-parser.c (pragma_omp_clause): Define.
9569 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9570 (c_parser_compound_statement): Likewise.
9571 (c_parser_statement): Likewise.
9572 (c_parser_pragma): Handle omp pragmas.
9573 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9574 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9575 (c_parser_omp_clause_name, check_no_duplicate_clause,
9576 c_parser_omp_variable_list,
9577 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9578 c_parser_omp_clause_copyprivate,
9579 c_parser_omp_clause_default,
9580 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9581 c_parser_omp_clause_lastprivate,
9582 c_parser_omp_clause_nowait,
9583 c_parser_omp_clause_num_threads,
9584 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9585 c_parser_omp_clause_reduction,
9586 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9587 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9588 c_parser_omp_atomic, c_parser_omp_barrier,
9589 c_parser_omp_critical, c_parser_omp_flush,
9590 c_parser_omp_for_loop, c_parser_omp_for,
9591 c_parser_omp_master, c_parser_omp_ordered,
9592 c_parser_omp_sections_scope, c_parser_omp_sections,
9593 c_parser_omp_parallel, c_parser_omp_single,
9594 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9595 * c-pragma.c (init_pragma): Do omp pragma registration here.
9596 * c.opt (fopenmp): New flag.
9598 2006-01-18 Eric Christopher <echristo@apple.com>
9600 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9601 * config/darwin.h (GOMP_SELF_SPECS): Define.
9603 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9605 * rtl.h: Remove the prototype for reg_alloc.
9607 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9610 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9611 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9612 sjlj and dwarf2 exception handling.
9613 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9614 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9615 * pa/pa.c (function_value): Treat complex and vector types as
9617 (function_arg): Likewise. Only pass scalar floats in the floating
9618 point argument registers.
9619 * pa/t-slibgcc-dwarf-ver: New file.
9620 * pa/t-slibgcc-sjlj-ver: New file.
9621 * pa/t-slibgcc-elf-ver: Delete file.
9623 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9625 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9626 unlikely_test_section_p test.
9628 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9630 * mode-switching.c (optimize_mode_switching): Make it static.
9631 * basic-block.h: Remove the prototype for
9632 optimize_mode_switching.
9634 * modulo-sched.c (sms_schedule): Make it static.
9635 * rtl.h: Remove the prototype for sms_schedule.
9637 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9638 * rtl.h: Remove the prototype for gcse_after_reload_main.
9640 * reg-stack.c (reg_to_stack): Make it static.
9641 * rtl.h: Remove the prototype for reg_to_stack.
9643 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9645 * rtl.h: Remove the prototypes for regrename_optimize and
9646 copyprop_hardreg_forward.
9648 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9650 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9651 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9652 Test against the appropriate null constant for the mode.
9653 If 'fixup_overlap' is true, swap the operands if they overlap.
9654 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9655 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9656 alpha_split_tmode_pair and adjust for above change.
9657 * config/alpha/alpha.md (movtf_internal): Adjust call to
9658 alpha_split_tfmode_pair and rely on it to swap the operands.
9659 (movti_internal): New insn and post-reload splitter.
9660 (movti): New expander.
9662 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9664 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9667 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9669 * rtlanal.c (global_reg_mentioned_p_1,
9670 global_reg_mentioned_p): Remove.
9671 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9673 * flow.c (initialize_uninitialized_subregs): Make it static.
9674 * rtl.h: Remove the prototype for
9675 initialize_uninitialized_subregs.
9677 * function.c (instantiate_virtual_regs): Make it static.
9678 * function.h: Remove the prototype for
9679 instantiate_virtual_regs.
9681 * regmove.c (regmove_optimize, combine_stack_adjustments):
9683 * rtl.h: Remove the prototypes for regmove_optimize and
9684 combine_stack_adjustments.
9686 2006-01-17 Roger Sayle <roger@eyesopen.com>
9688 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9689 (size_cost): Encode costs in bytes so that a reg-reg addition is
9690 equivalent to COSTS_N_INSNS(1).
9691 (override_options): Use the size_cost.branch_cost as the default
9692 ix86_branch_cost when optimizing for size.
9694 2006-01-18 Ben Elliston <bje@au.ibm.com>
9696 * Makefile.in (D32PBIT_FUNCS): New.
9697 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9698 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9699 D64PBIT_FUNCS and D128PBIT_FUNCS.
9700 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9701 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9703 (decnumber_dep): Define.
9704 * doc/libgcc.texi (Decimal float library routines): New node.
9705 * config/dfp-bit.h, config/dfp-bit.c: New files.
9707 2006-01-18 Ben Elliston <bje@au.ibm.com>
9709 * expr.c (emit_move_change_mode): Always adjust addresses, not
9710 just during reload. Copy replacements only during reload.
9711 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9712 emit_move_via_integer.
9714 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9716 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9717 instead of $(srcdir) and ${srcdir}.
9719 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9723 * arm.h (struct machine_function): Add pic_reg.
9724 * arm.c (arm_pic_register): Make unsigned.
9725 (arm_override_options): Only set arm_pic_register if
9726 TARGET_SINGLE_PIC_BASE.
9727 (use_return_insn): Only test for a pic register if it is fixed.
9728 (arm_compute_save_reg0_reg12_mask): Likewise.
9729 (thumb_compute_save_reg_mask): Likewise.
9730 (legitimate_pic_operand): Factor out some known invariants.
9731 (legitimize_pic_address): If we don't have a fixed pic register,
9732 then set up a pseudo in the function entry sequence. Handle the
9733 pic base being in a pseudo.
9734 (arm_load_pic_register): Handle the pic register being in a pseudo.
9735 (arm_expand_prologue): Only set up the pic register if it is fixed.
9736 (thumb_expand_prologue): Likewise.
9737 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9738 (pic_load_addr_based_insn): Likewise.
9739 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9742 2006-01-18 Ben Elliston <bje@au.ibm.com>
9744 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9745 decimal float modes for all floating point registers.
9747 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9748 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9750 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9753 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9754 even when the pointer is not NULL.
9756 2006-01-16 Ian Lance Taylor <ian@airs.com>
9758 * common.opt (ftoplevel-reorder): New option.
9759 * cgraph.c (cgraph_asm_nodes): New global variable.
9760 (cgraph_asm_last_node): New static variable.
9761 (cgraph_order): New global variable.
9762 (cgraph_create_node): Set new order field.
9763 (cgraph_varpool_node): Likewise.
9764 (decide_is_variable_needed): Return true if not
9765 flag_toplevel_reorder.
9766 (cgraph_add_asm_node): New function.
9767 * cgraph.h (struct cgraph_node): Add order field.
9768 (struct cgraph_varpool_node): Add order field.
9769 (struct cgraph_asm_node): Define.
9770 (cgraph_asm_nodes, cgraph_order): Declare.
9771 (cgraph_add_asm_node): Declare.
9772 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9774 (cgraph_varpool_assemble_pending_decls): Call it.
9775 (cgraph_output_pending_asms): New static function.
9776 (cgraph_finalize_compilation_unit): Call it.
9777 (struct cgraph_order_sort): Define.
9778 (cgraph_output_in_order): New static function.
9779 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9780 !flag_toplevel_reorder case.
9781 * c-parser.c: Include "cgraph.h".
9782 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9784 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9785 than -fno-unit-at-a-time.
9786 * doc/invoke.texi (Option Summary): Mention
9787 -fno-toplevel-reorder.
9788 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9789 -funit-at-a-time documentation.
9791 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9792 Kazu Hirata <kazu@codesourcery.com>
9794 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9796 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9798 * Makefile.in (FUNCTION_H): New. Use it instead of
9799 function.h throughout the file.
9800 * function.h: Include tree.h.
9802 2006-01-17 Ben Elliston <bje@au.ibm.com>
9804 * recog.c: Separate some functions with whitespace.
9806 2006-01-16 Richard Henderson <rth@redhat.com>
9808 Merge from gomp branch:
9809 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9810 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9811 and rename from struct inline_data. Rename callee* to dst*;
9812 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9813 transform_new_cfg, transform_return_to_modify, and
9814 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9816 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9817 (copy_decl_for_dup): Remove.
9818 * tree-inline.c (struct inline_data): Move to header.
9819 (insert_decl_map): Export.
9820 (remap_decl): Update for member name changes. Use copy_decl hook.
9821 Allow for replacement to be a non-decl. Remove dead code.
9822 (remap_type_1): Check for existing mapping.
9823 (remap_type): Export.
9824 (remap_decls): Update for member name changes.
9825 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9826 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9827 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9828 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9829 (tree_function_versioning, build_duplicate_type): Likewise.
9830 (copy_body_r): Likewise. Export.
9831 (copy_decl_for_dup): Split into ...
9832 (copy_decl_for_dup_finish, copy_decl_to_var,
9833 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9834 (replace_ref_tree, inlining_p): Remove.
9836 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9838 * ifcvt.c (if_convert): Make it static.
9839 * rtl.h: Remove the prototype for if_convert.
9841 * local-alloc.c (local_alloc): Make it static.
9842 * rtl.h: Remove the prototype for local_alloc.
9844 * loop.c (loop_optimize): Make it static.
9845 * cfgloop.h: Remove the prototype for loop_optimize.
9848 2006-01-16 DJ Delorie <dj@redhat.com>
9850 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9853 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9855 * pa.md: Disparage copies between general and floating-point registers
9856 in 32-bit move patterns.
9858 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9861 * Makefile.in (check-%): Depend on site.exp instead of
9862 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9865 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9867 * global.c (global_alloc): Make it static.
9868 * rtl.h: Remove the prototype for global_alloc.
9870 2006-01-16 Richard Guenther <rguenther@suse.de>
9872 * tree-ssa-alias.c (struct used_part): Add write_only field.
9873 (get_or_create_used_part_for): Initialize it to true.
9874 (create_overlap_variables_for): Don't create structure variables
9875 for structures that only are written to.
9876 (find_used_portions): Handle MODIFY_EXPR to track whether a
9877 structure is only written to.
9879 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9881 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9883 * basic-block.h: Remove the prototype for
9884 partition_hot_cold_basic_blocks.
9886 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9888 * cppspec.c (lang_specific_spec_functions): Remove.
9889 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9890 * gcc.h (lang_specific_spec_functions): Remove.
9891 * gccspec.c (lang_specific_spec_functions): Remove.
9893 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9895 * combine.c (record_value_for_reg): Invalidate registers
9897 (record_dead_and_set_regs_1): Likewise, by passing them to
9898 record_value_for_reg.
9899 (record_dead_and_set_regs): Invalidate stores made by a
9900 call. We do not combine across a call, but we still
9901 relied on equivalences.
9903 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9905 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9906 vrp_int_const_binop returning non-constant nodes.
9908 2006-01-16 Paul Brook <paul@codesourcery.com>
9910 * config/m68k/m68k.c (output_move_const_into_data_reg):
9911 Output correct mnemonic for mvz and mvs.
9913 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9915 * rtl-factoring.c: Add sequence abstraction algorithm.
9916 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9917 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9919 (block_has_preserve_label): New function.
9920 * common.opt: Register new pass.
9921 * Makefile.in: Ditto.
9923 * timevar.def: Ditto.
9924 * tree-pass.h: Ditto.
9925 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9926 * rtl.h (make_jump_insn_raw): Add forward decl.
9927 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9929 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9930 Roger Sayle <roger@eyesopen.com>
9932 * fold-const.c (fold_minmax): New static function.
9933 (fold_binary) <MIN_EXPR>: Call it.
9934 <MAX_EXPR>: Likewise.
9935 * stor-layout.c (place_field): Use DECL_SIZE consistently
9936 in the computation of the new record size.
9938 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9940 * cse.c (cse_condition_code_reg): Make it static.
9941 * rtl.h: Remove the prototype for cse_condition_code_reg.
9943 * combine.c (combine_instructions): Make it static.
9944 * rtl.h: Remove the prototype for combine_instructions.
9946 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9949 * tree.c (get_file_function_name_long): Concatenate the first global
9950 object name with a string derived from the input filename of the object
9953 2006-01-16 Ben Elliston <bje@au.ibm.com>
9955 * config/i386/winnt-stubs.c: Update FSF address.
9956 * config/xtensa/ieee754-df.S: Ditto.
9957 * config/xtensa/ieee754-sf.S: Ditto.
9959 2006-01-14 Ian Lance Taylor <ian@airs.com>
9961 * ifcvt.c (noce_init_if_info): New static function, broken out of
9962 noce_process_if_block.
9963 (noce_process_if_block): Call noce_init_if_info.
9964 (check_cond_move_block): New static function.
9965 (cond_move_process_if_block): New static function.
9966 (process_if_block): Call cond_move_process_if_block.
9968 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9970 * cselib.c (hash_table): Rename to cselib_hash_table.
9971 (cselib_clear_table, discard_useless_values,
9972 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9973 cselib_init, cselib_finish): Adjust uses of hash_table.
9975 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9977 PR tree-optimization/25485
9978 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9979 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9980 is known to be false and true, respectively.
9982 2006-01-14 Richard Guenther <rguenther@suse.de>
9984 PR tree-optimization/22548
9985 PR tree-optimization/22555
9986 PR tree-optimization/22501
9987 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9988 * params.def (salias-max-array-elements): New parameter.
9989 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9990 * doc/invoke.texi (salias-max-array-elements): Document.
9991 * tree-flow-inline.h (var_can_have_subvars): We also handle
9993 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9995 * tree-ssa-structalias.c (params.h): Include.
9996 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9997 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9998 (get_constraint_for): For ADDR_EXPR operating on something
9999 containing an ARRAY_REF, add all subvars to the solution.
10000 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10001 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10002 for creating MUST_DEFs.
10003 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10005 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10007 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10009 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10010 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10011 number_of_iterations_le): New functions.
10012 (number_of_iterations_special): Removed.
10013 (number_of_iterations_exit): Do not use number_of_iterations_special.
10014 * tree.c (unsigned_type_for): Always return integer type.
10016 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10017 Richard Guenther <rguenther@suse.de>
10019 PR rtl-optimization/24257
10020 * gcse.c (find_moveable_store): Only consider a store movable
10021 when the SET_SRC of the insn can be assigned to a register.
10023 2006-01-14 Ian Lance Taylor <ian@airs.com>
10025 * tree.c (tree_not_class_check_failed): New function.
10026 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
10027 (tree_not_class_check_failed): Declare.
10029 2006-01-13 Ian Lance Taylor <ian@airs.com>
10031 * reload1.c (do_output_reload): Add assertion rejecting a
10034 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10036 * combine.c (struct reg_stat): Add new fields truncation_label and
10038 (record_value_for_reg): Reset truncated_to_mode.
10039 (record_truncated_value): New function.
10040 (check_promoted_subreg): Call it. Rename to check_conversions.
10041 (combine_instructions): Rename check_promoted_subreg to
10043 (reg_truncated_to_mode): New function.
10044 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
10045 (gen_lowpart_or_truncate): New function.
10046 (force_to_mode): Use it instead of gen_lowpart.
10048 2006-01-13 Diego Novillo <dnovillo@redhat.com>
10050 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
10051 VAR is a tag, not its type tag.
10053 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10055 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10056 alternatives to match style of other entries.
10057 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10059 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10061 PR tree-optimization/25771
10062 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10065 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10068 * tree-inline.c (declare_return_variable): If the return variable
10069 was marked as a non gimple complex, set the return slot variable
10070 to be a non gimple comple variable.
10072 2006-01-13 Richard Guenther <rguenther@suse.de>
10074 * builtins.c (expand_builtin_sincos): New function.
10075 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10077 (expand_builtin): Expand sincos using expand_builtin_sincos.
10079 2006-01-12 DJ Delorie <dj@redhat.com>
10081 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10082 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10083 so that constant shifts can be split.
10084 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10085 (m32c_valid_pointer_mode): Make static.
10086 (shift_gen_func_for): New.
10087 (m32c_prepare_shift): Use it. Split large const shifts into
10089 * config/m32c/predicates.md (shiftcount_operand): Allow more
10091 (longshiftcount_operand): New.
10092 * doc/md.texi (Machine Constraints): Document In6.
10094 2006-01-13 Ben Elliston <bje@au.ibm.com>
10096 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10097 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
10100 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
10102 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
10103 to try to avoid clobbering pieces of structures when we know
10104 something about the whole structure.
10105 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
10107 2006-01-13 Ben Elliston <bje@au.ibm.com>
10109 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
10110 return in memory, as this is no limitation is no longer present.
10112 2006-01-12 DJ Delorie <dj@redhat.com>
10114 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10115 mova with fb, and for fb+0 -> An.
10117 * config/m32c/mov.md (peephole2): Fix enabling logic.
10119 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10120 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10121 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10122 FINI_ARRAY_SECTION_ASM_OP): Define.
10124 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10126 (m32c_legitimize_reload_address): New logic to reload FB to An.
10127 (m32c_output_reg_push): Add newline.
10128 (m32c_output_reg_pop): Likewise.
10130 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10132 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10134 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10136 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10138 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10140 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10143 2006-01-11 Ben Elliston <bje@au.ibm.com>
10145 * rtlanal.c (find_reg_note): Assert insn is not null.
10147 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10149 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10152 2006-01-11 Jeff Law <law@redhat.com>
10154 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10156 (mark_threaded_blocks, register_jump_thread): New functions.
10157 (thread_through_all_blocks): Remove unwanted argument. No
10158 longer rely on e->aux to communicate thread target info.
10159 Call mark_threaded_blocks. Release the threaded_blocks
10160 bitmap and threaded_edges vector when complete.
10161 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10162 (threaded_blocks): Remove.
10163 (tree_ssa_dominator_optimize): Remove initialization and
10164 finalization of threaded_blocks. Simplify call to
10165 thread_through_all_blocks.
10166 (thread_across_edge): Call register_jump_thread rather than
10167 storing thread information into e->aux.
10168 (free_all_edge_infos): Simplify now that e->aux is no longer
10169 used to communicate with thread_through_all_blocks.
10170 * tree-flow.h (thread_through_all_blocks): Update prototype.
10171 (register_jump_thread): Prototype.
10173 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10175 * df-core.c (df_compact_blocks, df_bb_replace): Use
10176 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10178 2006-01-11 Richard Guenther <rguenther@suse.de>
10180 PR tree-optimization/25734
10181 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10182 stop propagation after successful propagation to the LHS.
10184 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10186 * basic-block.h (control_flow_graph): Change the type of
10187 x_basic_block_info to VEC(basic_block,gc) *.
10188 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10190 (SET_BASIC_BLOCK): New.
10191 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10192 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10193 * cfgbuild.c (find_basic_blocks): Likewise.
10194 * cfglayout.c (fixup_reorder_chain): Likewise.
10195 * cfgrtl.c (create_basic_block_structure,
10196 rtl_create_basic_block): Likewise.
10197 * ifcvt.c (find_if_case_1): Likewise.
10198 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
10201 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10203 * Makefile.in: Removed rotted odf.c entry.
10205 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10208 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
10209 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
10210 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
10211 output pattern modifier, not %e.
10212 * config/cris/cris.c (cris_op_str): Update comment about pattern
10214 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
10215 before falling through into...
10216 <case 'E'>: Redefined from old 'e' case.
10218 2006-01-11 Jan Hubicka <jh@suse.cz>
10221 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
10223 2006-01-11 Jan Hubicka <jh@suse.cz>
10225 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
10226 * i386.c (x86_decompose_lea): Kill.
10227 (ix86_rtx_costs): Kill.
10229 2006-01-11 Jan Hubicka <jh@suse.cz>
10231 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
10232 * cgraph.h (cgraph_node): Add inline_decl.
10233 (cgraph_insert_node_to_hashtable): Declare.
10234 (save_inline_function_body): Declare.
10235 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
10237 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
10238 (cgraph_function_versioning): Update call of tree_function_versioning.
10239 (save_inline_function_body): New function.
10240 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
10241 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
10242 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
10243 (cgraph_default_inline_p): Likewise.
10244 (cgraph_decide_inlining_incrementally): Likewise.
10245 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10246 (copy_bb): Kill saving; do updating of clones.
10247 (copy_cfg_body): Kill saving.
10248 (initialize_inlined-parameters): Likewise.
10249 (expand_call_inline): Likewise.
10251 (tree_function_versioning): New parameter "update_clones".
10252 (inlining_p): Kill saving.
10253 * tree-inline.h (tree_function_versioning): Update prototype.
10254 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10257 2006-01-11 Ian Lance Taylor <ian@airs.com>
10259 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10260 Allow undoing set of machine mode.
10261 (do_SUBST): Use enums instead of is_int.
10262 (do_SUBST_MODE): New function.
10263 (SUBST_MODE): New macro.
10264 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10265 reg and trying to replace reg_regno_rtx with a new register.
10266 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10267 (simplify_set): Use SUBST_MODE.
10268 (distribute_notes): Remove code that tried to update reg notes
10269 for regno_reg_rtx changes.
10271 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10273 PR tree-optimization/23109
10274 PR tree-optimization/23948
10275 PR tree-optimization/24123
10277 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10278 * tree-cfg.c (single_noncomplex_succ): New.
10279 * tree-flow.h (single_noncomplex_succ): Declare it.
10280 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10281 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10282 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10283 insert_bb, register_division_in, insert_reciprocals,
10284 replace_reciprocal, free_bb): New.
10285 (execute_cse_reciprocals_1): Rewritten.
10286 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10287 Do not commit any edge insertion. Always compute dominators and
10288 create the allocation pool.
10289 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10290 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10291 * targhooks.c (default_min_divistions_for_recip_mul): New.
10292 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10293 * passes.c (init_optimization_passes): Run recip after tree loop
10295 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10297 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10298 Kenneth Zadeck <zadeck@naturalbridge.com>
10300 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10301 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10302 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10303 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10304 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10305 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10306 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10307 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10308 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10309 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10310 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10311 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10312 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10313 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10314 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10315 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10316 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10317 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10318 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10319 DF_SCAN_POST_ALLOC): New macros.
10320 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10321 df_free_bb_function, df_local_compute_function, df_init_function,
10322 df_dataflow_function, df_confluence_function_0,
10323 df_confluence_function_n, df_transfer_function,
10324 df_finalizer_function, df_free_function, df_dump_problem_function,
10325 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10326 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10327 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10328 df_urec_bb_info, ) New types.
10329 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10331 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10332 df_analyze_simple_change_some_blocks,
10333 df_analyze_simple_change_one_block, df_compact_blocks,
10334 df_bb_replace, df_bb_regno_last_use_find,
10335 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10336 df_insn_regno_def_p, df_find_def, df_find_use,
10337 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10338 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10339 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10340 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10341 debug_df_chain, df_get_dependent_problem, df_chain_create,
10342 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10343 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10344 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10345 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10346 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10347 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10348 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10349 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10350 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10351 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10352 df_reorganize_refs, df_set_state, df_hard_reg_init,
10353 df_read_modify_subreg_p) New public functions.
10354 * df-core.c: The core dataflow solver and glue routines for rtl
10356 (df_init, df_add_problem, df_set_blocks, df_finish,
10357 df_hybrid_search_forward, df_hybrid_search_backward,
10358 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10359 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10360 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10361 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10362 df_reg_defined, df_find_use, df_reg_used, df_dump,
10363 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10364 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10365 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10366 debug_df_useno, reset_df_after_reload): New functions.
10367 * df-scan.c: The scanning fuctions, once in df.c, completely
10368 rewritten so that they now fully model the functionality of
10369 register usage at the backend.
10370 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10371 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10372 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10373 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10374 df_get_artificial_defs, df_get_artificial_uses,
10375 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10376 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10377 df_refs_delete, df_reorganize_refs, df_set_state,
10378 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10379 df_def_record_1, df_defs_record, df_uses_record,
10380 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10381 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10382 df_record_exit_block_uses, df_hard_reg_init): New functions.
10384 * df-problems.c: Seven concrete dataflow problems that use the
10385 scanning in df-scan.c and are solved by the engine in df-core.c.
10386 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10387 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10388 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10389 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10390 df_ru_free_bb_info, df_ru_alloc,
10391 df_ru_bb_local_compute_process_def,
10392 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10393 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10394 df_ru_transfer_function, df_ru_free, df_ru_dump,
10395 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10396 df_rd_free_bb_info, df_rd_alloc,
10397 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10398 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10399 df_rd_transfer_function, df_rd_free, df_rd_dump,
10400 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10401 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10402 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10403 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10404 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10405 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10406 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10407 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10408 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10409 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10410 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10411 df_urec_mark_reg_use_for_earlyclobber,
10412 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10413 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10414 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10415 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10416 df_chain_create_bb_process_use, df_chain_create_bb,
10417 df_chain_finalize, df_chain_free, df_chains_dump,
10418 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10419 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10420 df_reg_lifetime): New functions.
10421 * df.c: Deleted file.
10422 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10423 consistent with new df api.
10424 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10425 rest_of_handle_sms): Ditto.
10426 * web.c (unionfind_union, union_defs, entry_register, web_main):
10428 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10429 invariant_expr_equal_p, find_defs, check_dependencies,
10430 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10431 free_inv_motion_data, move_loop_invariants): Ditto.
10432 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10433 Update dependencies.
10434 (odf.c): Added defective entry that was deleted later in day.
10435 * sched-deps.c (sched_analyze_1): Ditto.
10437 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10439 * tree-ssa-operands.c (get_expr_operands): Record addressable
10440 variables directly. Do not call add_stmt_operands for CONST_DECLs
10442 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10443 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10445 2006-01-11 Ben Elliston <bje@au.ibm.com>
10447 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10448 function returns true in the positive case.
10450 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10453 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10454 for SI, DI, SF and DF modes. Add alternatives to copy between
10455 general and floating point registers to the 32-bit patterns.
10456 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10457 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10458 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10459 generating 64-bit code.
10460 * config/pa/pa.c (output_move_double): Handle copies between general
10461 and floating registers.
10463 2006-01-10 Stuart Hastings <stuart@apple.com>
10465 * config/i386/i386.md (set_got): Update.
10466 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10467 (builtin_setjmp_receiver): Mach-O support.
10468 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10469 (GOT_SYMBOL_NAME): Define.
10470 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10471 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10472 * config/i386/i386.c (override_options): Revise for Darwin.
10473 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10474 support. (darwin_x86_file_end): New. (output_set_got): Add label
10475 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10476 * config/i386/i386-protos.h (output_set_got): Likewise.
10477 * config/darwin.c (machopic_legitimize_pic_address): Update
10480 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10482 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10483 when MODE isn't BLKmode.
10485 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10487 PR rtl-optimization/25367
10488 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10490 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10493 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10494 for a negative bound.
10496 2006-01-10 Richard Guenther <rguenther@suse.de>
10498 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10499 Never override with anything constraint.
10501 2006-01-10 Jan Beulich <jbeulich@novell.com>
10503 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10504 256 bits when optimize_size.
10506 2006-01-10 Jan Beulich <jbeulich@novell.com>
10508 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10510 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10511 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10514 2006-01-10 Ben Elliston <bje@au.ibm.com>
10516 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10518 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10519 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10520 (USE_FP_FOR_ARG): Reject decimal float modes.
10521 (function_arg_advance): Likewise.
10522 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10523 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10524 point types in AltiVec vectors.
10525 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10526 (rs6000_libcall_value): Likewise.
10528 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10530 * config/xtensa/ieee754-df.S: New file.
10531 * config/xtensa/ieee754-sf.S: New file.
10532 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10533 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10534 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10536 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10538 * config/sh/predicates.md (binary_float_operator,
10539 binary_logical_operator, commutative_float_operator,
10540 equality_comparison_operator, greater_comparison_operator,
10541 less_comparison_operator, logical_operator,
10542 noncommutative_float_operator, shift_operator,
10543 symbol_ref_operand, unary_float_operator): Remove redundant
10546 2006-01-09 Jeff Law <law@redhat.com>
10548 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10549 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10550 now unused arguments. Callers updated.
10551 (eliminate_redundant_computations): Remove now unused arguments,
10553 (local_fold): Remove, no longer used.
10554 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10556 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10557 (simplify_cond): New function.
10558 (forward_propagate_into_cond): Call simplify_cond.
10560 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10562 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10563 (*vec_extractv2di_1_sse): New.
10565 2006-01-09 Ben Elliston <bje@au.ibm.com>
10567 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10569 2006-01-08 Richard Guenther <rguenther@suse.de>
10571 * tree-ssa-structalias.c (get_constraint_for): Remove
10572 anyoffset argument.
10573 (get_constraint_for_component_ref): Likewise.
10574 (do_deref): Likewise.
10575 (get_constraint_for): Likewise.
10576 (do_structure_copy): Likewise.
10577 (handle_ptr_arith): Likewise.
10578 (find_func_aliases): Likewise. Remove unused need_anyoffset
10581 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10582 Kaz Kojima <kkojima@gcc.gnu.org>
10584 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10585 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10586 (EXTRA_CONSTRAINT_C16): Remove.
10587 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10588 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10589 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10590 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10591 constants of SHmedia. Handle nested constant expressions of
10593 (andcosts): Fix the costs for SHmedia constants.
10594 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10595 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10596 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10597 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10598 (movv4hi_i, movv2si_i): Likewise.
10599 (movsi_const): Adjust the second operand of ior so to match with
10600 the Csu constraint.
10601 (movdi_const, movdi_const_32bit): Likewise.
10602 (movdi_const_16bit+1): Don't sign-extend LOW.
10603 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10605 (*double_shori): Fix the split condition. Use GEN_INT instead
10606 of get_int_mode calls. Mask lower 16-bit of the argument of
10608 (sym2GOTPLT): Remove.
10609 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10611 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10612 instead of EXTRA_CONSTRAINT_C16.
10614 2006-01-07 Ian Lance Taylor <ian@airs.com>
10615 David Edelsohn <edelsohn@gnu.org>
10617 PR rtl-optimization/25662
10618 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10619 for constant operands instead of simplify_gen_binary.
10620 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10621 after trying simplify_binary_operation
10623 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10625 * tree.c (iterative_hash_expr): Hash decls based on UID.
10627 2006-01-06 Eric Christopher <echristo@apple.com>
10629 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10630 (TARGET_UNWIND_EMIT): Fix spelling.
10631 * target.h (gcc_target): Add except_table_label.
10632 * except.c (output_function_exception_table): Use.
10633 * varasm.c (default_emit_except_table_label): New.
10634 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10636 (asm_out): Add here.
10637 * output.h (default_emit_except_table_label): Prototype.
10638 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10639 * config/darwin.c (darwin_emit_except_table_label): Define.
10640 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10642 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10644 PR tree-optimization/18527
10645 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10646 number_of_iterations_special, number_of_iterations_exit):
10647 Move base and step of an iv to a single structure. Add
10648 no_overflow flag, and use it in # of iterations analysis.
10649 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10650 folded_casts argument.
10651 (simple_iv): Pass base and step in a structure. Set no_overflow
10653 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10654 Evaluate expensiveness of computing # of iterations instead of
10655 the final expression.
10656 * tree-scalar-evolution.h (affine_iv): New structure.
10657 (simple_iv): Declaration changed.
10658 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10659 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10660 find_givs_in_stmt): Changed due to simple_iv change.
10662 2006-01-06 Jeff Law <law@redhat.com>
10665 * tree-cfg.c (bsi_replace): Rename final argument from
10666 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10667 change (stmt -> orig_stmt).
10668 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10669 (bsi_remove): Add new argument. Remove EH information
10671 (verify_eh_throw_table_statements): New function.
10672 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10674 * tree-optimize.c (execute_free_cfg_annotations): Verify
10675 the EH throw statement table after removing annotations.
10676 * except.h (verify_eh_throw_table_statements): Prototype.
10677 * tree-flow.h (bsi_remove): Update prototype.
10678 * tree-vrp.c (remove_range_assertions): Add new argument to
10680 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10681 * tree-complex.c (expand_complex_div_wide): Likewise.
10682 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10683 * tree-tailcall.c (eliminate_tailcall): Likewise.
10684 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10685 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10686 * tree-nrv.c (tree_nrv): Likewise.
10687 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10688 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10689 (combine_blocks): Likewise.
10690 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10691 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10692 (cleanup_control_flow): Likewise.
10693 (remove_forwarder_block): Likewise.
10694 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10695 * tree-sra.c (sra_replace): Likewise.
10696 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10697 (forward_propagate_single_use_vars): Likewise.
10698 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10699 * tree-inline.c (expand_call_inline): Likewise.
10700 * tree-vect-transform.c (vect_transform_loop): Likewise.
10701 * tree-outof-ssa.c (rewrite_trees): Likewise.
10702 * tree-cfg.c (make_goto_expr_edges): Likewise.
10703 (cleanup_dead_labels): Likewise.
10704 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10705 (bsi_move_before, bsi_move_after): Likewise.
10706 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10707 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10709 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10712 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10714 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10715 on non gimple variables. Also add checks at the top for decls and
10717 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10719 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10720 and IMAGPART_EXPR for creating MUST_DEFs.
10721 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10722 and NAME_MEMORY_TAG separately from the DECLs.
10724 2006-01-06 Richard Guenther <rguenther@suse.de>
10726 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10727 annotation, if necessary.
10728 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10729 redundant calls to update_stmt.
10730 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10733 2006-01-05 Richard Henderson <rth@redhat.com>
10735 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10737 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10739 * c-typeck.c: Update copyright date.
10741 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10743 * c-typeck.c (build_c_cast): Always warn when casting
10744 from a pointer to an integer of different size, even if
10745 the node was constant.
10747 2006-01-05 Richard Guenther <rguenther@suse.de>
10749 PR tree-optimization/22555
10750 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10751 if one structure field is an array.
10752 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10753 operands even if we found a subvar, but ignore VOPs in this
10755 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10757 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10759 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10761 PR middle-end/24998
10762 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10764 2006-01-05 Richard Guenther <rguenther@suse.de>
10765 Diego Novillo <dnovillo@redhat.com>
10767 * tree-pass.h (TODO_remove_unused_locals): Define.
10768 * gimple-low.c (expand_var_p, remove_useless_vars,
10769 pass_remove_useless_vars): Remove. Update all users.
10770 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10771 (remove_unused_locals): New function.
10772 * tree-flow.h (remove_unused_locals): Declare.
10773 * passes.c (execute_todo): Call remove_unused_locals if
10774 TODO_remove_unused_locals is set.
10775 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10776 * tree-ssa-dce.c (pass_dce): Likewise.
10777 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10779 2006-01-05 Richard Guenther <rguenther@suse.de>
10781 * tree-flow.h (struct fieldoff): Decompose field to
10782 type, size and decl.
10783 * tree-ssa-alias.c (create_sft): Take type as parameter.
10784 (create_overlap_variables_for): Store type, size and decl
10785 in the fieldoff structure.
10786 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10787 of struct fieldoff.
10788 (push_fields_onto_fieldstack): Likewise.
10789 (create_variable_info_for): Likewise. Use offset for the
10790 SFT name if the decl is not available.
10792 2006-01-04 Paul Brook <paul@codesourcery.com>
10794 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10796 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10798 * lambda-code.c (can_put_in_inner_loop): Relax
10800 (can_put_after_inner_loop): New function.
10801 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10802 (perfect_nestify): Change to make copies and modify uses.
10804 2006-01-04 Richard Henderson <rth@redhat.com>
10806 Merge from gomp branch:
10807 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10808 via integer constant.
10809 (pragma_lex): Remove.
10810 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10811 rather than parsing it.
10812 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10813 handle_pragma_extern_prefix): Add %< %> quotes.
10814 (registered_pragmas): New.
10815 (c_register_pragma_1): New.
10816 (c_register_pragma): Use it.
10817 (c_register_pragma_with_expansion): Likewise.
10818 (c_invoke_pragma_handler): New.
10819 (init_pragma): Use cpp_register_deferred_pragma directly for
10821 * c-pragma.h (enum pragma_kind): New.
10822 (pragma_handler): New.
10823 (c_invoke_pragma_handler): Declare.
10824 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10826 * c-common.h (c_common_pch_pragma): Update decl.
10827 * Makefile.in (c-parser.o): Update dependencies.
10828 (GTFILES): Add c-pragma.h.
10829 * c-parser.c (struct c_token): Add pragma_kind.
10830 (struct c_parser): Add in_pragma.
10831 (c_lex_one_token): Always initialize keyword and pragma_kind.
10832 Extract data for CPP_PRAGMA.
10833 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10834 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10835 Don't allow CPP_PRAGMA_EOL if in_pragma.
10836 (c_parser_consume_pragma): New.
10837 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10838 (c_parser_skip_to_end_of_parameter): Likewise.
10839 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10840 (c_parser_skip_to_pragma_eol): New.
10841 (c_parser_external_declaration): Handle CPP_PRAGMA.
10842 (c_parser_compound_statement_nostart): Likewise.
10843 (c_parser_statement_after_labels): Likewise.
10844 (c_parser_pragma): New.
10845 (pragma_lex): Likewise.
10846 (c_parser_pragma_pch_preprocess): New.
10847 (c_parser_new): Merge into ...
10848 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10850 2006-01-04 Jeff Law <law@redhat.com>
10853 * tree-cfg.c (bsi_replace): Remove the original statement
10854 from the EH throw statement table.
10856 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10858 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10859 make the prototype extern "C" and add throw ().
10862 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10863 and pos non-negative and pos + len <= 32.
10864 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10865 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10866 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10869 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10870 as well as sizes not multiple of component size.
10873 * function.c (instantiate_expr): New function.
10874 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10875 walk its DECL_VALUE_EXPR with instantiate_expr.
10877 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10878 DW_OP_deref{,_size} if address isn't going to be added.
10880 2006-01-04 Ben Elliston <bje@au.ibm.com>
10882 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10883 * config/fp-bit.c: Likewise.
10885 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10887 * dominance.c: Add comment about why we use DFS numbering
10890 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10891 Richard Henderson <rth@redhat.com>
10893 Merge from gomp-branch:
10894 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10895 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10897 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10899 PR rtl-optimization/25578
10900 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10901 pass a parameter to simplify_shift_const if changing ASHIFTRT
10904 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10906 * builtins.c (get_builtin_sync_mem): New function.
10907 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10908 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10909 Call get_builtin_sync_mem to generate mem rtx.
10911 2006-01-03 Richard Guenther <rguenther@suse.de>
10914 * stmt.c (add_case_node): Make sure to clear overflow flags
10917 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10919 Merge from gomp-branch.
10920 * config/sparc/sync.md: New file.
10921 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10922 UNSPECV_LDSTUB): New constants.
10923 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10924 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10925 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10928 2006-01-03 Roger Sayle <roger@eyesopen.com>
10930 * combine.c (reg_subword_p): New predicate to test whether the
10931 destination of a set refers to a subword/piece of a register.
10932 (try_combine): Generalize the code to merge the setting of a
10933 pseudo to a constant followed by a set of a subword of that
10934 register to a constant.
10936 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10938 * basic-block.h (control_flow_graph): Change the type of
10939 x_label_to_block_map to VEC(basic_block,gc) *.
10940 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10941 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10943 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10944 VEC(basic_block,heap) *.
10945 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10946 ssa_prop_fini): Adjust the uses of cfg_blocks.
10948 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10950 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10952 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10953 hashing trees instead of a pointer hash.
10954 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10955 compare for MEM_EXPR.
10957 PR rtl-optimization/25130
10958 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10959 when comparing MEMs for GCSE
10961 2006-01-03 Ben Elliston <bje@au.ibm.com>
10963 * targhooks.h (default_decimal_float_supported_p): Declare.
10964 * targhooks.c (default_decimal_float_supported_p): Define.
10965 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10966 `default_decimal_float_supported_p'.
10967 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10969 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10971 * combine.c (apply_distributive_law <SUBREG>): Check
10972 TRULY_NOOP_TRUNCATION.
10974 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10976 * dwarf2out.c (have_switched_text_section): Delete.
10977 (have_multiple_function_sections): New.
10978 (have_location_lists): Make 'bool'.
10979 (add_AT_loc_list): Use 'true' not '1'.
10980 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10981 (output_loc_list): Use have_multiple_function_sections.
10982 (output_ranges): Likewise.
10983 (dwarf2out_begin_function): Set have_multiple_function_sections if
10985 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10986 Check function_section rather than DECL_SECTION_NAME.
10987 (dwarf2out_finish): Use have_multiple_function_sections.
10988 Don't clear have_location_lists.
10990 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10991 Jan Hubicka <jh@suse.cz>
10993 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10994 case of conditional jump jumping to the next instruction.
10995 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10996 cases of conditional jump jumping to the next instruction.
10998 2006-01-02 Jan Hubicka <jh@suse.cz>
11000 * i386.c (*_cost): Add COSTS_N_INSNS.
11001 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11003 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11006 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11008 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11010 * config/arm/arm.c (all_fpus): Fix comment typo.
11011 * config/darwin.c: Likewise.
11012 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11013 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11014 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11016 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11018 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11019 (rs6000_split_compare_and_swapqhi): New.
11020 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11021 (sync_compare_and_swapqhi_internal): New.
11022 * config/rs6000/rs6000-protos.h: Declare.