1 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
3 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4 (gcc-options.o): New rule.
6 * optc-gen.awk: Protect variables for gcc-options.o with
7 #ifdef GCC_DRIVER/#endif.
9 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
11 Fix PR tree-optimization/27373
12 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
13 (forward_propagate_addr_expr): Update call.
15 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
17 * doc/options.texi: Move the Negative option.
19 2006-05-16 Richard Guenther <rguenther@suse.de>
21 PR tree-optimization/22303
22 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
24 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
25 ccp_fold did not simplify the statement.
27 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
30 * Makefile.in (GCC_OBJS): New.
31 (OBJS-common): Add opts-common.o.
32 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
33 (cpp$(exeext)): Likewise.
34 (gcc.o): Also depend on opts.h.
37 * common.opt (gcoff): Add Negative(gdwarf-2).
38 (gdwarf-2): Add Negative(gstabs).
39 (gstabs): Add Negative(gstabs+).
40 (gstabs+): Add Negative(gvms).
41 (gvms): Add Negative(gxcoff).
42 (gxcoff): Add Negative(gxcoff+).
43 (gxcoff+): Add Negative(gcoff).
44 * config/i386/i386.opt (m32): Add Negative(m64).
45 (m64): Add Negative(m32).
47 * doc/options.texi: Document the Negative option.
49 * gcc.c: Include "opts.h".
50 (main): Call prune_options after expandargv.
52 * optc-gen.awk: Generate common declarations for all flag
53 variables in options.c. Output the neg_index field.
55 * opts.c (find_opt): Moved to ...
56 * opts-common.c: Here. New file.
58 * opts.h (cl_option): Add a neg_index field.
60 (prune_options): Likewise.
62 2006-05-16 Jakub Jelinek <jakub@redhat.com>
65 * omp-low.c (expand_omp_parallel): Don't assert
66 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
67 instead search for it.
70 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
73 2006-05-16 Andreas Schwab <schwab@suse.de>
75 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
78 2006-05-15 Roger Sayle <roger@eyesopen.com>
81 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
82 integer constants other than zero are only legitimate on TARGET_64BIT.
83 <CONST_VECTOR> Only zero vectors are legitimate.
84 (ix86_cannot_force_const_mem): Integral and vector constants can
85 always be put in the constant pool.
87 2006-05-16 DJ Delorie <dj@redhat.com>
89 * crtstuff.c (__dso_handle): Set section from
90 TARGET_LBIGCC_SDATA_SECTION if defined.
91 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
92 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
94 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
97 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
100 2006-05-16 Ben Elliston <bje@au.ibm.com>
102 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
104 2006-05-15 Per Bothner <per@bothner.com>
106 * tree.c: (last_annotated_node): Use sources_locus typedef.
107 This permits bootstrapping with --enable-mapped-location.
109 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
111 PR tree-optimization/26830
112 * tree-into-ssa.c (struct ssa_name_info): Add age field.
113 (info_for_ssa_name, current_info_for_ssa_name_age,
114 blocks_to_update): New variables.
115 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
116 (clear_ssa_name_info, initialize_flags_in_bb,
117 mark_block_for_update): New functions.
118 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
119 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
120 prepare_def_site_for): Use mark_block_for_update.
121 (mark_def_interesting): Assert that the processed block is marked in
122 blocks_to_update. Do not take blocks argument.
123 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
125 (rewrite_update_init_block, rewrite_update_stmt): Only process
126 blocks with statements to rewrite.
127 (delete_update_ssa): Do not clear SSA_NAME_AUX.
128 (update_ssa): Initialize and free blocks_to_update. Do not
129 clear flags on statements. Do not use blocks bitmap.
130 * tree.h (SSA_NAME_AUX): Removed.
131 (struct tree_ssa_name): Removed aux field.
132 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
134 2006-05-15 Richard Guenther <rguenther@suse.de>
136 PR tree-optimization/27603
137 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
138 Do computations in original type.
140 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
142 * see.c: Code style changes such as redundant paranthesis,
143 redundant intialization of local variables etc.
144 (see_main): Declared now as static.
145 * doc/invoke.texi: Update that -fsee is not enabled by
148 2006-05-15 Jakub Jelinek <jakub@redhat.com>
150 * omp-low.c (check_omp_nesting_restrictions): New function.
151 (scan_omp_1): Call it.
154 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
155 construct, return *VAR.
157 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
159 PR rtl-optimization/27406
160 * bt-load.c (migrate_btr_def): Skip the block having abnormal
163 2006-05-14 Roger Sayle <roger@eyesopen.com>
165 PR rtl-optimization/27538
166 * combine.c (expand_compound_operation): Call gen_lowpart
167 before calling simplify_shift_const.
169 2006-05-14 Roger Sayle <roger@eyesopen.com>
171 PR rtl-optimization/22563
172 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
173 a fixed width bitfield, always force the intermediates into psuedos.
175 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
178 * mkconfig.sh: Use operator = instead of == for test.
180 2006-05-13 Nick Clifton <nickc@redhat.com>
182 * dwarf2out.c (dbx_reg_number): Check return value from
183 LEAF_REG_REMAP and only use it if it is valid.
184 (multiple_reg_loc_descriptor): Likewise.
186 2006-05-13 Richard Guenther <rguenther@suse.de>
188 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
191 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
193 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
194 information attached to non-INSNs such as NOTEs.
195 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
197 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
199 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
201 * config/s390/s390.md: Adjust comment describing On constraint.
203 2006-05-11 Jan Hubicka <jh@suse.cz>
205 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
208 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
211 * fold-const.c (size_binop): Move sanity check for arguments to
212 the beginning of the function.
215 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
218 2006-05-11 Richard Guenther <rguenther@suse.de>
221 * fold-const.c (fold_unary): Handle intermediate conversion
222 to a pointer type like intermediate conversion to an integer
223 type in folding of (T1)(T2)var to var.
224 Match the code to the comment in the final conversion for
225 (T1)(T2)var to (T1)var regarding to type precision. Rather
226 than disallow T1 being of pointer type, assert that both T1
227 and var are of pointer type or not. Make sure not to fall
228 over the frontends lazyness wrt array to pointer decay though.
230 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
232 * arm.c (arm_struct_value_rtx): Delete.
233 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
234 (arm_init_cumulative_args): Always initialize nregs to zero.
236 2006-05-10 Richard Guenther <rguenther@suse.de>
238 PR tree-optimization/27532
239 * tree-object-size.c (plus_expr_object_size): Fix typo.
241 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
244 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
245 ashrdi_const, ashrdi3): Use a scratch register.
247 2006-05-10 Richard Guenther <rguenther@suse.de>
249 PR tree-optimization/27302
250 * fold-const.c (operand_equal_p): For two comparisons,
251 try comparison of one comparison code swapped if that yields
254 2006-05-10 Ben Elliston <bje@au.ibm.com>
256 * tree-pretty-print.c (pretty_print_string): No need to handle
257 '\0' as a special character.
259 * tree.h: Include "hashtab.h".
260 (iterative_hash_expr): Use hashval_t in its prototype.
261 * Makefile.in (TREE_H): Add $(HASHTAB_H).
263 2006-05-09 Steve Ellcey <sje@cup.hp.com>
266 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
267 (hppa*64*-*-hpux11*): Ditto.
268 (hppa[12]*-*-hpux11*): Ditto.
270 2006-05-09 David Edelsohn <edelsohn@gnu.org>
273 * config/rs6000/aix41.h (TARGET_64BIT): Define.
275 2006-05-09 Michael Matz <matz@suse.de>
277 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
278 host_extra_gcc_objs and host_xmake_file.
279 (<*-*-linux*>): Don't overwrite host_xmake_file.
280 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
281 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
282 (host_detect_local_cpu): Declare.
283 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
284 * config/i386/i386.c (override_options): Handle -mtune=native
286 * config/i386/x-i386: New file.
287 * config/i386/driver-i386.c: New file.
288 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
291 2006-05-09 Dirk Mueller <dmueller@suse.de>
292 Richard Guenther <rguenther@suse.de>
295 * fold-const.c (fold_read_from_constant_string): Relax check
296 for matching types to matching modes.
298 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
300 PR rtl-optimization/27335
301 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
304 2006-05-08 Chao-ying Fu <fu@mips.com>
305 Richard Sandiford <richard@codesourcery.com>
307 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
308 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
309 * config/mips/mips.md (UNSPEC_SCC): New constant.
310 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
311 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
312 (mips_emit_compare): Use it.
313 (mips_expand_vcondv2sf): New function.
315 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
317 Fix PR tree-optimization/27093
318 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
319 renaming when they become not-used_alone.
321 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
323 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
324 relocation and relocation stubs.
326 2006-05-08 Eric Christopher <echristo@apple.com>
328 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
331 2006-05-08 Jan Hubicka <jh@suse.cz>
334 * cgraphunit.c (decide_is_function_needed): When not optimizing even
335 unused static functions are needed.
337 2006-05-08 Roger Sayle <roger@eyesopen.com>
340 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
341 of a reg_equiv_constant if the result is a legitimate constant.
343 2006-05-08 Uros Bizjak <uros@kss-loka.si>
346 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
347 standard 80387 constants, raise the cost to prevent
348 compress_float_constant() to generate load from memory.
350 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
352 * config/arm/constraints.md (c): Fix a typo.
354 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
357 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
360 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
362 (_mm_mwait): Likewise.
364 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
366 (sse3_monitor): Make it 32bit only.
367 (sse3_monitor64): New. 64bit monitor.
369 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
372 * config/i386/i386.c (classify_argument): Skip fields with invalid
375 2006-05-07 Richard Guenther <rguenther@suse.de>
377 PR tree-optimization/27409
378 * tree-ssa-structalias.c (get_constraint_for_component_ref):
379 Do not try to find zero-sized subvars.
381 2006-05-07 Richard Guenther <rguenther@suse.de>
383 PR tree-optimization/27136
384 * tree-ssa-loop-niter.c (get_val_for): Correct function
385 comment, assert requirements.
386 (loop_niter_by_eval): Stop processing if the iterated
387 value did not simplify.
389 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
391 * opts.c (flag_see): remove its setting at -O3.
393 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
395 * genpeep.c (main): Make insn-peep.c depend on flags.h.
396 * arm/constraints.md: New file.
397 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
398 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
399 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
400 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
401 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
402 (EXTRA_MEMORY_CONSTRAINT): Likewise.
403 * arm.md: Include constraints.md.
404 (thumb_movsi_insn): Use satisfies_constraint_J.
405 (movhi, movqi): Use satisfies_constraint_I.
407 2006-04-29 Anatoly Sokolov <aesok@post.ru>
409 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
410 for atmeg a645 device.
412 2006-05-06 Richard Guenther <rguenther@suse.de>
414 PR tree-optimization/27151
415 * tree-vect-transform.c (vectorizable_condition): Punt on
416 values that have a different type than the condition.
418 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
421 * c-parser.c (c_parser_cast_expression): Only insert casts into
422 hash table if pointer.
423 * function.c (used_types_insert_helper): Rename from
425 (used_types_insert): Call used_types_insert_helper.
426 * function.h (used_types_insert): Accept only one argument.
428 2006-05-05 David Edelsohn <edesohn@gnu.org>
430 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
431 scratch with output modifier.
433 2006-05-04 David Edelsohn <edelsohn@gnu.org>
436 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
437 with output modifier.
439 2006-05-04 Richard Sandiford <richard@codesourcery.com>
442 * config/mips/mips.c (mips_symbolic_address_p): Return true
443 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
444 SYMBOL_GOTTPREL, and SYMBOL_TLS.
446 2006-05-04 Richard Guenther <rguenther@suse.de>
448 PR tree-optimization/14287
449 PR tree-optimization/14844
450 PR tree-optimization/19792
451 PR tree-optimization/21608
452 PR tree-optimization/27090
453 * tree-ssa-pre.c (try_combine_conversion): New function.
454 (compute_avail): After constructing the value-handle
455 expression, use try_combine_conversion to combine NOP_EXPRs
456 with previous value-handle expressions and use the result if it
459 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
461 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
463 2006-05-04 Jan Hubicka <jh@suse.cz>
466 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
468 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
470 * config/bfin/predicates.md (const01_rtx): Tell generator programs
471 that this only matches CONST_INTs. All users changed to VOIDmode
474 * config/bfin/bfin.c: Include "optabs.h".
475 (bfin_rtx_costs): Some costs for vector operations, to allow combine
477 (enum bfin_builtins): Add a number of fractional and vector builtins.
478 (bfin_init_builtins): Likewise.
479 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
480 (safe_vector_operand, bfin_expand_binop_builtin,
481 bfin_expand_unop_builtin): New functions.
482 (bfin_expand_builtin): Handle the new builtins.
483 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
486 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
489 * Makefile.in (OBJS-common): Add see.o.
490 (see.o): Add dependencies.
491 * common.opt (fsee): New flag for the see optimization was added.
492 * opts.c (flag_see): Initialized.
493 * passes.c (init_optimization_passes, pass_see): New pass.
494 * rtl.h (see_main): Declaration as extern.
495 * timevar.def (TV_SEE): New.
496 * tree-pass.h (pass_see): Declaration as extern.
497 * invoke.texi (-fsee): Document.
498 * recog.c (validate_simplify_insn): New function.
499 * recog.h (validate_simplify_insn): Declaration as extern.
500 * df-problems.c (df_chain_dump): Check for NULL.
502 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
503 Daniel Berlin <dberlin@dberlin.org>
505 * cfgrtl.c (insert_insn_bb_end_new): New function.
506 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
508 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
510 * df.h (struct web_entry): Moved from web.c.
511 (union_defs): Declaration as extern.
512 (unionfind_root): Likewise.
513 (unionfind_union): Likewise.
514 * web.c (struct web_entry): Moved to df.h.
515 (unionfind_root): Remove static declaration.
516 (unionfind_union): Likewise.
517 (union_defs): Likewise and generalize to use callback function.
518 (web_main): Update arguments for union_defs function call.
520 2006-05-04 Richard Guenther <rguenther@suse.de>
522 PR tree-optimization/26447
523 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
524 produce SSA_NAME copies before the store stmt to avoid
525 breaking exception handling.
527 2006-05-04 Jakub Jelinek <jakub@redhat.com>
530 * gimplify.c (omp_is_private): If var is shared in some outer context,
531 return false instead of true. Stop searching on parallel context
534 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
537 * coverage.c: Use get_gcov_unsigned_t() instead of
538 unsigned_type_node all over.
540 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
542 PR tree-optimization/27381
543 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
544 maintain the same immediate_use links.
545 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
546 node rather than segfaulting.
548 2006-05-03 Jakub Jelinek <jakub@redhat.com>
551 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
552 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
553 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
555 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
557 Fix PR tree-optimization/26626
558 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
560 * tree-ssa-operands.c (access_can_touch_variable): Allow
561 typecasting through union pointers.
563 2006-05-02 Jakub Jelinek <jakub@redhat.com>
566 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
567 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
568 to find if var will be a global variable even in the nested context.
569 (omp_copy_decl): Only check for global variable at the end, it might
570 be overridden in outer contexts.
571 (scan_sharing_clauses): For global variables don't create a field.
572 (lower_rec_input_clauses): Do nothing for global shared variables.
573 Emit a barrier at the end of ILIST if there were any decls in both
574 firstprivate and lastprivate clauses.
575 (lower_send_clauses): Do nothing for global variables except for
578 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
580 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
581 of the correct signedness is returned.
583 2006-05-02 Jeff Law <law@redhat.com>
585 PR tree-optimization/27364
586 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
587 multiply expressions.
589 2006-05-02 Tom Tromey <tromey@redhat.com>
591 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
593 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
596 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
597 -mthumb -fPIC are used.
599 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
600 Joshua Kinard <kumba@gentoo.org>
603 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
604 with 64-bit pointers.
606 2006-05-02 Paul Brook <paul@codesourcery.com>
608 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
610 (create_fix_barrier): Check that a suitable barrier location is
612 (arm_reorg): Include ftmp->address in allowable range of addresses.
614 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
617 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
620 2006-05-02 Jakub Jelinek <jakub@redhat.com>
623 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
624 around RESULT_DECL for result passed by reference.
625 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
626 * omp-low.c (use_pointer_for_field): Don't look at
627 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
628 (scan_omp_1): Call remap_decl on RESULT_DECLs.
629 (lower_rec_input_clauses): Don't allocate VLA memory for the second
630 time or var for passing by reference for
631 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
632 TREE_ADDRESSABLE variables when passing by reference.
634 * omp-low.c (dump_omp_region): Fix output formatting.
637 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
638 (expand_omp_parallel): Likewise.
639 * tree-cfg.c (move_sese_region_to_fn): Likewise.
642 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
643 on statement list containing also constructors and destructors.
644 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
647 * except.c (duplicate_eh_regions): Fix clearing of
648 cfun->eh->region_array entries.
650 2006-05-01 DJ Delorie <dj@redhat.com>
652 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
654 (gcc_cv_objdump): Likewise.
655 * configure: Regenerated.
657 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
660 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
661 templates for case 3 and 4.
663 2006-05-01 DJ Delorie <dj@redhat.com>
665 * vec.c: Include bconfig.h when appropriate.
666 * Makefile.in (build/vec.o): Adjust dependencies.
667 * mkconfig.sh: Make sure config.h isn't used for build machine
670 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
672 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
674 (mark_phi_for_rewrite): New function.
675 (insert_phi_nodes_for, mark_use_interesting): Call
676 mark_phi_for_rewrite.
677 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
678 (update_ssa): Initialize and free phis_to_rewrite.
680 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
682 PR rtl-optimization/27291
683 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
684 folded to a constant.
686 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
688 PR tree-optimization/27283
689 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
690 not whole # of iteration descriptions.
691 (niter_for_exit): Return just # of iterations. Fail if # of iterations
692 uses abnormal ssa name.
693 (niter_for_single_dom_exit): Ditto.
694 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
695 return just the number of iterations.
697 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
699 PR tree-optimization/27144
700 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
701 (record_estimate): Only record constant upper bound.
702 (infer_loop_bounds_from_undefined): Call
703 compute_estimated_nb_iterations just once.
704 (proved_non_wrapping_p): Renamed to ...
705 (n_of_executions_at_most): ... this. Expect bound to be a constant.
706 (convert_step_widening, scev_probably_wraps_p): Call
707 n_of_executions_at_most instead of proved_non_wrapping_p.
708 (substitute_in_loop_info): Do not replace values in bounds.
709 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
712 2006-05-01 Richard Henderson <rth@redhat.com>
715 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
716 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
719 2006-05-01 Roger Sayle <roger@eyesopen.com>
721 * c-typeck.c (parser_build_binary_op): Don't call the function
722 unsigned_conversion_warning to spot operand/result type overflow.
723 (build_binary_op): Instead, call convert_and_check instead of
724 convert to report the problem when the operands are promoted.
725 * c-common.c (unsigned_conversion_warning): Make static.
726 * c-common.h (unsigned_conversion_warning): Delete prototype.
728 2006-05-01 Richard Guenther <rguenther@suse.de>
730 PR tree-optimization/26726
731 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
733 (find_interesting_uses_address): ... we work around here
734 by folding INDIRECT_REFs in the substituted base.
736 2006-05-01 Diego Novillo <dnovillo@redhat.com>
738 * omp-low.c (dump_omp_region): Add newlines.
740 2006-04-30 Roger Sayle <roger@eyesopen.com>
742 * common.opt (Woverflow): New command line option.
743 * c-common.c (constant_expression_warning): Check warn_overflow.
744 (overflow_waring): Pass OPT_Woverflow to warning.
745 (unsigned_conversion_warning): Likewise.
746 (convert_and_check): Likewise.
747 * doc/invoke.texi: Document new command line option.
749 2006-04-30 David Edelsohn <edelsohn@gnu.org>
751 * config/rs6000/rs6000.c (rs6000_override_options): Enable
752 TARGET_NO_FP_IN_TOC for section anchors.
753 (optimization_options): Enable section anchors for all
754 non-"Objective" languages.
756 2006-04-28 Eric Christopher <echristo@apple.com>
758 * config/darwin-c.c (darwin_ms_struct): Move this
759 (darwin_set_default_type_attributes): and this...
760 * config/darwin.c: ... here.
761 * config/darwin.h (darwin_ms_struct): Declare.
763 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
765 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
767 2006-04-28 Roger Sayle <roger@eyesopen.com>
770 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
771 (push_array_bounds): Delete prototype. Change BOUNDS argument to
772 an unsigned HOST_WIDE_INT.
773 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
775 (really_start_incremental_init): No need to call convert because
776 bitsize_zero_node is already of type bitsizetype.
777 (push_init_level): Extract the value of constructor_index as an
778 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
779 (process_init_element): Likewise.
781 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
783 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
784 value before passing to make_relative_prefix.
786 2006-04-28 Alan Modra <amodra@bigpond.net.au>
789 * builtins.c (expand_builtin_memset): Expand val in original mode.
791 2006-04-27 Eric Christopher <echristo@apple.com>
793 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
795 * config/darwin-c.c (darwin_ms_struct): New.
796 (darwin_pragma_ms_struct): Ditto.
797 (darwin_set_default_type_attributes): Ditto.
798 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
799 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
800 Register ms_struct pragma.
801 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
802 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
803 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
804 darwin_set_default_type_attributes if TARGET_MACHO.
806 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
808 PR tree-optimization/26854
809 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
810 * doc/tree-ssa.texi: Update immuse iterator documentation.
811 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
812 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
813 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
814 first_safe_imm_use, next_safe_imm_use): Remove.
815 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
816 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
817 (move_use_after_head): New. Helper function to sort immuses in a stmt.
818 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
819 (first_imm_use_stmt): New. Get first stmt in an immuse list.
820 (next_imm_use_stmt): New. Get next stmt in an immuse list.
821 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
822 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
823 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
824 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
825 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
826 (perfect_nestify): Use new iterator.
827 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
829 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
830 (next_imm_name): New field in struct immediate_use_iterator_d.
831 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
832 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
833 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
834 * tree-cfg.c (replace_uses_by): Use new iterator.
835 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
836 * tree-ssa-operands.c (correct_use_link): Remove.
837 (finalize_ssa_use_ops): No longer call correct_use_link.
839 2006-04-27 Stuart Hastings <stuart@apple.com>
841 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
842 * config/t-darwin (crt3.o): Use it.
843 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
844 'pmode', use Pmode instead of SImode for SYMBOL_REF.
845 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
846 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
847 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
850 2006-04-27 Roger Sayle <roger@eyesopen.com>
852 * expmed.c (store_fixed_bit_field): If we're not optimizing for
853 size, force the intermediate into a new pseudo rather instead of
854 performing both a bitwise AND and a bitwise IOR in memory.
856 2006-04-27 Richard Guenther <rguenther@suse.de>
858 PR rtl-optimization/26685
859 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
860 this one "max-flow-memory-locations".
862 2006-04-27 Richard Guenther <rguenther@suse.de>
864 PR tree-optimization/25148
865 * tree-vrp.c (compare_values): Remove code dealing with
866 comparisons against type min/max value. Honour overflow
867 and negative constants in code dealing with comparisons
868 of plus and minus expressions.
869 (value_inside_range): Use fold_binary with LE_EXPR and
870 GE_EXPR rather than compare_values.
872 2006-04-27 Dirk Mueller <dmueller@suse.de>
874 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
877 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
879 * basic-block.h (safe_insert_insn_on_edge): Removed.
880 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
882 2006-04-26 David Edelsohn <edelsohn@gnu.org>
883 Paolo Bonzini <bonzini@gnu.org>
886 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
887 (simplify_and_const_int): Same.
889 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
891 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
893 2006-04-26 Jakub Jelinek <jakub@redhat.com>
896 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
897 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
898 cgraph_global_info_ready.
901 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
904 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
905 either decl or init is error_mark_node.
908 * tree-flow.h (struct omp_region): Add sched_kind.
909 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
910 instead of extracting omp for data.
911 (expand_omp_for): Save extracted sched_kind.
913 2006-04-25 Roger Sayle <roger@eyesopen.com>
915 * expmed.c (store_bit_field): Also check whether the bitsize is
916 valid for the machine's "insv" instruction before moving the
917 target into a pseudo for use with the insv.
918 * config/i386/predicates.md (const8_operand): New predicate.
919 * config/i386/i386.md (extv, extzv, insv): Use the new
920 const8_operand predicate where appropriate.
922 2006-04-25 DJ Delorie <dj@redhat.com>
924 * doc/install.texi (Specific): Clarify that this is not a list of
925 supported hosts or targets.
927 2006-04-25 Richard Sandiford <richard@codesourcery.com>
929 PR rtl-optimization/26725
930 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
931 block's BB_DIRTY flag.
933 2006-04-25 Geoffrey Keating <geoffk@apple.com>
935 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
938 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
941 2006-04-25 David Edelsohn <edelsohn@gnu.org>
943 * varasm.c (align_variable): New function.
944 (get_block_for_decl): Apply align_variable to DECL before
945 calculating section information.
946 (assemble_variable): Split out alignment computation.
948 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
950 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
953 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
955 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
956 MODE_PARTIAL_INT mode.
957 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
958 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
960 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
961 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
963 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
965 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
967 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
968 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
969 MACFLAG_IH): Likewise.
970 (movstricthi_1): Renamed from "*movstricthi".
971 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
972 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
973 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
974 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
975 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
976 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
977 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
978 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
979 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
980 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
981 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
982 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
983 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
984 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
985 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
987 * doc/rtl.texi (ss_ashift): Improve wording.
989 2006-04-24 Geoffrey Keating <geoffk@apple.com>
991 * dwarf2out.c (verify_marks_clear): New.
992 (prune_unused_types): Call verify_marks_clear initially, not
995 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
997 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
998 * doc/rtl.texi: Document them.
999 * simplify-rtx.c (simplify_unary_operation,
1000 simplify_binary_operation_1): Don't abort when we see them.
1002 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1005 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1006 * configure.ac: Completely disregard languages that are not
1008 * configure: Regenerated.
1010 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1011 Richard Guenther <rguenther@suse.de>
1013 PR tree-optimization/27236
1014 * tree-inline.c (copy_body_r): Make sure to copy
1015 TREE_THIS_VOLATILE flag.
1017 2006-04-24 Richard Guenther <rguenther@suse.de>
1020 * tree-complex.c (update_parameter_components): Don't handle
1021 unused parameters which have no default def.
1023 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1024 Richard Guenther <rguenther@suse.de>
1026 PR tree-optimization/27218
1027 * tree-inline.c (expand_call_inline): Strip useless type
1028 conversions for the return slot address.
1030 2006-04-24 Richard Guenther <rguenther@suse.de>
1032 * cfgloop.h (struct loops): Remove unused field array. Reorder
1034 (LOOP_PREFETCH): Remove.
1036 2006-04-24 Richard Guenther <rguenther@suse.de>
1038 PR tree-optimization/22525
1039 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1040 variable, adjust types of generated expressions.
1042 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1044 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1045 (tree-vect-patterns.o): Likewise.
1047 (cselib.o): Likewise.
1048 (loop-doloop.o): Likewise.
1049 (regclass.o): Likewise.
1050 (reload1.o): Likewise.
1051 (explow.o): Replace target.h with $(TARGET_H).
1052 (ipa-prop.o): Likewise.
1053 (ipa-cp.o): Likewise.
1054 (ipa-inline.o): Likewise.
1055 (reorg.o): Likewise.
1056 (reg-stack.o): Likewise.
1058 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1060 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1062 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1064 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1066 * configure.ac: Completely disregard languages that are not
1068 * configure: Regenerated.
1071 * c-common.h (c_build_bitfield_integer_type): Declare.
1072 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1073 * c-common.c (c_build_bitfield_integer_type): ... here.
1075 2006-04-23 Roger Sayle <roger@eyesopen.com>
1078 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1079 a SImode SUBREG of a floating point register after no_new_pseudos.
1081 2006-04-23 Roger Sayle <roger@eyesopen.com>
1083 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1084 identify potentially eliminable registers to additionally catch
1085 VIRTUAL_INCOMING_ARGS_REGNUM.
1086 (addsi3): Update the conditions on when to use addsi_small_int.
1088 2006-04-23 Roger Sayle <roger@eyesopen.com>
1091 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1092 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1093 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1095 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1097 * fold-const.c (range_predecessor): Use operand_equal_p
1098 as the predicate for equality.
1099 (range_successor): Likewise.
1101 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1104 * config/soft-fp/op-common.h: Fix a typo.
1106 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1109 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1110 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1112 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1114 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1116 * doc/tm.texi: Fix a typo.
1118 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1120 * dwarf2out.c (struct die_struct): Document that die_sib makes
1121 a circular linked list.
1122 (FOR_EACH_CHILD): New.
1123 (reverse_die_lists): Delete.
1124 (reverse_all_dies): Delete.
1125 (add_dwarf_attr): Correct documentation.
1126 (remove_child_with_prev): New.
1127 (remove_child_TAG): Update for change to die_struct, use
1128 remove_child_with_prev.
1129 (add_child_die): Update for change to die_struct.
1130 (splice_child_die): Use remove_child_with_prev and add_child_die.
1131 (print_die): Use FOR_EACH_CHILD.
1132 (die_checksum): Likewise.
1133 (assign_symbol_names): Likewise.
1134 (output_location_lists): Likewise.
1135 (build_abbrev_table): Likewise.
1136 (calc_die_sizes): Likewise.
1137 (mark_dies): Likewise.
1138 (unmark_dies): Likewise.
1139 (unmark_all_dies): Likewise.
1140 (output_die): Likewise.
1141 (prune_unused_types_mark): Likewise.
1142 (prune_unused_types_walk): Likewise.
1143 (same_die_p): Update for change to die_struct.
1144 (break_out_includes): Likewise.
1145 (prune_unused_types_prune): Likewise.
1146 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1147 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1149 (dwarf2out_finish): Don't call reverse_all_dies.
1151 2006-04-21 Eric Christopher <echristo@apple.com>
1153 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1154 in comments and function names.
1156 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1159 * c-typeck.c (digest_init): Robustify.
1161 * c-typeck.c (pop_init_level): Simplify.
1163 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1165 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1167 2006-04-21 Paul Brook <paul@codesourcery.com>
1169 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1170 hardware floating point.
1172 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1174 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1177 2006-04-21 Nick Clifton <nickc@redhat.com>
1179 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1182 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1185 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1186 C++ lang type in traceback table for Objective-C++.
1188 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1190 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1192 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1194 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1197 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1198 were errors. Remove check for erroneous objects.
1200 2006-04-20 Jeff Law <law@redhat.com>
1202 PR tree-optimization/26854
1203 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1204 checking for zero or one use.
1205 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1206 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1207 * tree-ssa-reassoc.c (negate_value): Similarly.
1208 (reassociate_bb): Similarly.
1210 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1212 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1213 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1214 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1216 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1218 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1219 fp regs if the last fp arg doesn't fit in regs.
1221 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1224 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1225 that the last insn has the REG_INC note.
1227 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1228 Nathan Sidwell <nathan@codesourcery.com>
1231 * stor-layout.c (update_alignment_for_field): Do not align
1233 (place_union_field): Place union field at the start of the union.
1234 (place_field): Move ERROR_MARK check later, and use the current
1235 allocation position to maintain monotonicity.
1237 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1239 * dominance.c: Include timevar.h.
1240 (calculate_dominance_info): Use TV_DOMINANCE.
1241 * timevar.def (TV_DOMINANCE): New timevar.
1242 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1244 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1246 PR rtl-optimization/14261
1247 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1248 move would be an INSV insn.
1249 (noce_process_if_block): Don't optimize if the destination is a
1250 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1252 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1254 * config/s390/s390.md: Add comments with the instructions emitted
1255 by an insn pattern if macros are used.
1257 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1259 PR rtl-optimization/26026
1260 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1261 is a known power of two shifted left a variable amount.
1263 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1265 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1266 to hash table twice when the debug_str section has SECTION_MERGE.
1268 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1270 * config/soft-fp: New directory. From glibc.
1271 * config/soft-fp/t-softfp: New.
1272 * config/soft-fp/README: New.
1273 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1274 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1275 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1276 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1277 * config.gcc: Use rs6000/t-fprules-fpbit or
1278 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1280 * config/rs6000/sfp-machine.h: New. Based on glibc.
1281 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1283 * config/rs6000/t-fprules: Remove fp-bit rules.
1284 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1285 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1286 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1287 (softfp_wrap_start, softfp_wrap_end): New.
1289 2006-04-18 DJ Delorie <dj@redhat.com>
1291 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1293 2006-04-18 Devang Patel <dpatel@apple.com>
1295 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1297 2006-04-18 Nick Clifton <nickc@redhat.com>
1299 * config/sh/t-symbian: Add rule to build sh-c.o
1300 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1301 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1302 (sh_symbian_encode_section_info): Likewise.
1304 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1306 * builtins.c (expand_builtin_strcmp): Cover label definition of
1307 do_libcall with HAVE_cmpstrnsi.
1309 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1311 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1313 * function.h (temp_slot_p): New.
1314 (function): Change the type of x_used_temp_slots to
1315 VEC(temp_slot_p,gc) *.
1317 2006-04-18 Nick Clifton <nickc@redhat.com>
1319 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1320 flag_strength_reduce.
1322 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1324 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1328 Partial revert of revision 112637
1329 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1330 Dale Johannesen <dalej@apple.com>
1333 * regclass.c (struct reg_pref): Update documentation.
1334 (regclass): Set prefclass to NO_REGS if memory is the best option.
1335 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1337 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1339 PR tree-optimization/26821
1340 * tree-ssa-math-opts.c (get_constant_one): New.
1341 (insert_reciprocals): Use it.
1343 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1345 * dwarf2out.c (free_AT): Delete.
1346 (remove_AT): Update string ref counts.
1347 (remove_child_TAG): Don't call free_die.
1349 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1350 or DW_TAG_GNU_EINCL.
1351 (prune_unused_types_walk_attribs): Reset string refcounts.
1352 (prune_unused_types_update_strings): New.
1353 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1354 call free_die. Do call prune_unused_types_update_strings.
1355 (prune_unused_types): Empty debug_str_hash.
1357 2006-04-17 Roger Sayle <roger@eyesopen.com>
1359 * expr.c (expand_assignment): Optimize away no-op moves where the
1360 source and destination are equal and have no side-effects.
1362 2006-04-17 Richard Guenther <rguenther@suse.de>
1365 * reload.c (push_reload): Guard calls to get_secondary_mem
1368 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1370 * alias.c (reg_base_value, old_reg_base_value): Change the
1371 type to VEC(rtx,gc) *.
1372 (REG_BASE_VALUE, find_base_value, record_set,
1373 init_alias_analysis): Use VEC instead of VARRAY.
1375 * alias.c (alias_sets): Change the type to
1376 VEC(alias_set_entry,gc) *.
1377 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1378 VEC instead of VARRAY.
1379 (last_alias_set): Remove.
1381 * cgraph.h (cgraph_edge_p): New.
1382 Update the prototype of cgraph_function_versioning.
1383 * cgraphunit.c (cgraph_copy_node_for_versioning,
1384 cgraph_function_versioning): Use VEC instead of VARRAY.
1385 * ipa-cp.c (ipcp_insert_stage): Likewise.
1387 2006-04-16 Roger Sayle <roger@eyesopen.com>
1390 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1391 "A op B" or "A op C", we may need to convert A to the type of B and C.
1393 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1395 * target.h (struct gcc_target): Add mode_rep_extended.
1396 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1397 (init_num_sign_bit_copies_in_rep): Initialize it using
1399 (truncate_to_mode): Use it.
1400 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1401 * targhooks.h (default_mode_rep_extended): Declare it.
1402 * targhooks.c (default_mode_rep_extended): Define it.
1403 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1404 default_mode_rep_extended.
1405 (TARGET_INITIALIZER): Include it.
1406 * doc/tm.texi (Misc): Document it.
1407 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1408 (mips_truncated_to_mode): New function.
1410 2006-04-16 Roger Sayle <roger@eyesopen.com>
1413 * expr.c (compress_float_constant): Copy the narrow constant into
1414 a new pseudo before extending it to its final width.
1416 2006-04-16 Roger Sayle <roger@eyesopen.com>
1417 Andrew Pinski <pinskia@gcc.gnu.org>
1418 Dale Johannesen <dalej@apple.com>
1421 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1422 special case code to implement V8HImode and V16QImode with SSE2.
1424 2006-04-15 Roger Sayle <roger@eyesopen.com>
1426 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1427 trees are constructed with a suitable tree type.
1429 2006-04-15 Roger Sayle <roger@eyesopen.com>
1431 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1432 (integer_onep): Likewise.
1433 (integer_all_onesp): Likewise.
1434 (integer_pow2p): Likewise.
1435 (integer_nonzerop): Likewise.
1436 (real_zerop): Likewise.
1437 (real_onep): Likewise.
1438 (real_twop): Likewise.
1439 (real_minus_onep): Likewise.
1440 (int_size_in_bytes): Likewise.
1441 (host_integerp): Likewise.
1443 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1445 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1446 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1447 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1449 * tree-ssa-structalias.h (alias_info): Remove num_references.
1451 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1453 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1454 (output_bvb patterns): Likewise.
1455 * pa.c (output_bb): Use 'bb' insn for long branch case.
1456 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1457 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1458 1. Correct length operand for alternatives 1 and 2.
1459 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1460 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1462 2006-04-14 Roger Sayle <roger@eyesopen.com>
1464 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1465 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1466 were accidentally reverted by r112959.
1468 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1471 * except.h (eh_region_outermost): New prototype.
1472 * except.c (eh_region_outermost): New function.
1473 * tree-cfg.c (find_outermost_region_in_block): Use it.
1475 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1477 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1479 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1480 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1481 (init_reload, reload): Use VEC instead of VARRAY.
1482 * reload.h: Update the prototype for
1483 reg_equiv_memory_loc_varray.
1485 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1486 Eric Botcazou <ebotcazou@libertysurf.fr>
1488 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1491 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1494 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1495 to expand fallback builtin function call.
1497 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1500 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1501 and emit libcall here in case the builtin fails.
1502 (expand_builtin_strcmp): Always emit the libcall here on failure.
1504 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1506 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1507 * flow.c (reg_n_info): Change the type to
1508 VEC(reg_info_p,heap) *.
1509 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1511 * regs.h (reg_info_p): New.
1512 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1513 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1514 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1517 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1519 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1521 * params.h (MAX_SCHED_READY_INSNS): New macro.
1522 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1523 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1524 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1525 the ready list for 1 cycle during the first scheduling pass.
1526 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1528 2006-04-13 Richard Henderson <rth@redhat.com>
1531 * gimple-low.c (lower_omp_directive): Remove dead code.
1532 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1533 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1534 * omp-low.c (struct omp_region): Move to tree-flow.h.
1535 (root_omp_region): Export.
1536 (omp_regions, lookup_omp_region): Remove.
1537 (determine_parallel_type): Update for struct omp_region changes.
1538 (dump_omp_region): Dump regions with block numbers.
1539 (new_omp_region): Take type and block instead of stmt; malloc
1541 (free_omp_region_1, free_omp_regions): New.
1542 (expand_parallel_call): Take entry_stmt as argument; update for
1543 changes to omp_region.
1544 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1545 (remove_exit_barriers): New.
1546 (expand_omp_parallel): Update for struct omp_region changes.
1547 (expand_omp_synch): Likewise.
1548 (expand_omp): Likewise.
1549 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1550 (expand_omp_for_static_chunk): Likewise.
1551 (expand_omp_for): Likewise.
1552 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1553 (expand_omp_sections): Similarly, with GOMP_sections_end.
1554 (expand_omp_single): New.
1555 (build_omp_regions_1): Update for OMP_CONTINUE.
1556 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1557 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1558 OMP_SECTIONS_SECTIONS.
1559 (lower_omp_single_simple): Don't emit barrier here.
1560 (lower_omp_single_copy): Likewise.
1561 (lower_omp_single): Fix bindings, and lower to straightline now.
1562 (lower_omp_master, lower_omp_ordered): Likewise.
1563 (lower_omp_critical): Likewise.
1564 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1565 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1566 omp edges, free it afterward.
1567 (make_omp_sections_edges): Remove.
1568 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1569 (move_stmt_r): Handle OMP_CONTINUE.
1570 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1571 statement pointers to basic blocks. Add type member.
1572 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1573 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1574 * tree-inline.c (estimate_num_insns_1): Likewise.
1575 * tree-pretty-print.c (dump_generic_node): Likewise.
1576 * tree-ssa-operands.c (get_expr_operands): Likewise.
1577 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1578 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1579 (OMP_CONTINUE): New.
1580 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1581 (OMP_SECTIONS_SECTIONS): Remove.
1582 (OMP_SECTION_LAST): New.
1583 (OMP_RETURN_NOWAIT): New.
1585 2006-04-13 Roger Sayle <roger@eyesopen.com>
1587 * fold-const.c (native_encode_vector, native_interpret_real):
1588 Correct obvious mistakes in the previous check-in.
1590 2006-04-13 Roger Sayle <roger@eyesopen.com>
1592 * fold-const.c (native_encode_expr): New function to encode
1593 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1594 or VECTOR_CST into a specified buffer.
1595 (native_encode_int): New function.
1596 (native_encode_real): New function.
1597 (native_encode_complex): New function.
1598 (native_encode_vector): New function.
1599 (native_interpret_expr): Inverse of native_encode_expr to convert
1600 a target representation into an INTEGER_CST, REAL_CST etc...
1601 (native_interpret_int): New function.
1602 (native_interpret_real): New function.
1603 (native_interpret_complex): New function.
1604 (native_interpret_vector): New function.
1605 (fold_view_convert_expr): New function to constant fold/evaluate
1606 a VIEW_CONVERT_EXPR of a suitable constant expression.
1607 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1608 Change call of build1 to fold_build1 when constructing a
1611 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1612 Ulrich Weigand <uweigand@de.ibm.com>
1615 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1618 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1621 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1622 optimize to lo_sum for DFmode if !TARGET_FPRS.
1624 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1626 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1627 delete_alias_info, compute_flow_sensitive_aliasing,
1628 group_aliases): Use VEC instead of VARRAY.
1629 * tree-ssa-structalias.c (update_alias_info): Likewise.
1630 * tree-ssa-structalias.h (alias_info): Change the type of
1631 processed_ptrs to VEC(tree,heap) *.
1633 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1636 * config/sh/lib1funcs.h: New file, broken out of:
1637 * config/sh/lib1funcs.asm.
1638 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1640 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1641 * config/sh/lib1funcs-Os-4-200.asm: New file.
1642 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1643 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1644 (EXTRA_MULTILIB_PARTS): Include it.
1645 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1646 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1647 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1648 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1651 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1653 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1654 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1655 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1657 * tree-ssa-live.h: Include vecprim.h.
1658 (tree_partition_associator_d): Change the type of
1659 first_partition to VEC(int,heap) *.
1660 (tpa_first_partition): Use VEC instead of VARRAY.
1662 * Makefile.in (GTFILES): Move functions.h after tree.h.
1663 * function.c (reset_block_changes, record_block_change,
1664 check_block_change, free_block_changes): Use VEC instead of
1666 * function.h (function): Change the type of
1667 ib_boundaries_block to VEC(tree,gc) *.
1668 * tree-inline.c (copy_cfg_body): Initialize
1669 ib_boundaries_block to NULL instead of (varray_type) 0.
1671 2006-04-12 Roger Sayle <roger@eyesopen.com>
1673 * expr.c (emit_group_store): Correct operand order in call to
1674 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1675 a SUBREG_BYTE of zero.
1677 2006-04-12 Richard Guenther <rguenther@suse.de>
1679 * profile.c (compute_branch_probabilities): Remove code
1680 encapsulated in !ir_type (), which are remanents of the
1681 removed RTL profiling code.
1682 * rtl-profile.c: Remove.
1684 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1686 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1687 magic NULL_RTX comment.
1688 (function_arg): Store entire fp arg to mem if any part should go
1690 (rs6000_arg_partial_bytes): Adjust for above change.
1692 2006-04-11 Roger Sayle <roger@eyesopen.com>
1694 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1695 if it hasn't been initialized by dwarf2out_init.
1697 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1699 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1700 symbolic constants in branch patterns.
1702 2006-04-11 Roger Sayle <roger@eyesopen.com>
1704 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1706 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1708 PR rtl-optimization/27073
1709 * gcse.c (try_replace_reg): Revert last change. Continue to search
1710 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1713 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1715 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1716 aggregate types other than record and union types.
1717 (function_arg): Likewise.
1718 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1720 (function_value): In 64-bit mode, return objects that require it
1723 2006-04-11 Roger Sayle <roger@eyesopen.com>
1725 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1727 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1729 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1731 2006-04-03 Jeff Law <law@redhat.com>
1734 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1735 alias information too.
1737 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1739 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1741 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1744 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1745 (premark_used_types_helper): New.
1746 (premark_used_types): New.
1747 (gen_subprogram_die): Call premark_used_types.
1748 (prune_unused_types_walk): Do not prune perennial dies.
1749 * function.c (used_types_insert): New.
1750 * function.h (struct function): Add used_types_hash field.
1751 (used_types_insert): Add prototype.
1752 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1753 * c-parser.c (c_parser_cast_expression): Save casted types in used
1756 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1759 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1760 rs6000_explicit_options.float_gprs.
1762 2006-04-10 Roger Sayle <roger@eyesopen.com>
1764 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1765 from ix86_expand_vector_init_low_nonzero. Take an additional
1766 one_var argument indicating which element is non-zero. Support
1767 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1768 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1769 with one_var instead of ix86_expand_vector_init_low_nonzero.
1771 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1773 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1774 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1775 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1776 build/genextract.o): Depend on vecprim.h.
1777 * cfglayout.c, df-problems.c, function.c, genextract.c,
1778 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1779 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1783 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1785 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1786 Declare VECs of this type.
1787 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1788 (remove_children): Delete.
1789 (add_dwarf_attr): Use VEC routines.
1790 (add_AT_flag): Update for changes to add_dwarf_attr.
1791 (add_AT_int): Likewise.
1792 (add_AT_unsigned): Likewise.
1793 (add_AT_long_long): Likewise.
1794 (add_AT_vec): Likewise.
1795 (add_AT_string): Likewise.
1796 (add_AT_die_ref): Likewise.
1797 (add_AT_fde_ref): Likewise.
1798 (add_AT_loc): Likewise.
1799 (add_AT_loc_list): Likewise.
1800 (add_AT_addr): Likewise.
1801 (add_AT_lbl_id): Likewise.
1802 (add_AT_lineptr): Likewise.
1803 (add_AT_macptr): Likewise.
1804 (add_AT_offset): Likewise.
1805 (add_AT_range_list): Likewise.
1806 (get_AT): Use VEC_iterate.
1807 (remove_AT): Use VEC_ordered_remove.
1808 (free_die): Fold remove_children into here; have it use VEC_iterate.
1809 (print_die): Use VEC_iterate on attrs.
1810 (reverse_die_lists): Don't reverse attr lists.
1811 (die_checksum): Use VEC_iterate on attrs.
1812 (same_die_p): Likewise.
1813 (output_location_lists): Likewise.
1814 (build_abbrev_table): Likewise.
1815 (size_of_die): Likewise.
1816 (unmark_all_dies): Likewise.
1817 (output_abbrev_section): Likewise.
1818 (output_die): Likewise.
1819 (prune_unused_types_walk_attribs): Likewise.
1821 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1823 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1825 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1828 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1830 2006-04-09 Roger Sayle <roger@eyesopen.com>
1832 * expr.c (store_constructor): Don't bother clearing target if
1833 we're about to assign a vector to it using vec_init_optab.
1835 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1837 * tree-ssa-alias.c (lhs_may_store_to): New function.
1838 (recalculate_used_alone): Handle LHS of calls.
1840 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1844 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1845 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1846 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1847 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1848 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1849 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1850 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1851 stubs. Add ".align 8" directives before all ".dword" directives.
1852 (GTHREAD_USE_WEAK): Revise comment.
1853 (TARGET_ATTRIBUTE_WEAK): Define.
1854 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1855 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1856 * stublib.c: New file.
1861 * pa.md (cbranch patterns): Revise arguments used in calls to
1862 output_cbranch, output_bb and output_bvd. Add long branch length
1864 (fbranch patterns): Handle long branches.
1865 (jump): Revise length check. Revise arguments for output_lbranch call.
1866 Add long branch length attributes.
1867 (decrement_and_branch_until_zero): Add long branch length attributes.
1868 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1869 Likewise. Revise arguments for output_parallel_addb and
1870 output_parallel_movb calls.
1871 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1872 output_parallel_movb and output_parallel_addb): Update prototypes.
1873 * pa.c (output_cbranch): Revise arguments. Correct handling of
1874 nullification in long branches.
1875 (output_lbranch): Add new argument to control extraction of delay
1877 (output_bb): Handle long branches.
1878 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1879 output_parallel_addb): Likewise.
1881 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1883 PR rtl-optimization/27073
1884 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1887 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1889 * tree.h (tree_memory_tag): Add old_used_alone.
1890 (SMT_OLD_USED_ALONE): New macro.
1891 * tree-ssa-alias.c (recalculate_used_alone): Stop
1892 marking things for renaming unnecessarily.
1894 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1896 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1897 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1898 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1899 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1900 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1901 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1902 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1903 spelling convensions.
1904 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1905 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1906 typos. Follow spelling conventions.
1908 2006-04-07 DJ Delorie <dj@redhat.com>
1910 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1911 passed on the stack.
1912 (m32c_init_cumulative_args): When a function returns a structure,
1913 always pass the pointer to that return area on the stack.
1914 (m32c_function_arg_advance): Don't increment the parameter number
1915 if we're processing the returned structure pointer.
1916 (pushm_info): Reverse order of registers.
1918 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1920 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1921 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1922 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1923 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1925 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1926 chrec_fold_multiply): Same.
1927 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1928 force_expr_to_var_cost): Same.
1929 * tree-mudflap.c (mf_xform_derefs_1): Same.
1930 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1932 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1934 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1935 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1938 2006-04-07 Jan Hubicka <jh@suse.cz>
1940 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1942 2006-04-07 Richard Guenther <rguenther@suse.de>
1944 PR tree-optimization/26135
1945 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1946 loads for store copy-prop.
1947 (copy_prop_visit_stmt): Likewise.
1949 2006-04-05 Robert Millan <robertmh@gnu.org>
1951 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1952 being overriden in config/k*bsd-gnu.h.
1953 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1955 * gcc/config/knetbsd-gnu.h: Ditto.
1957 2006-04-06 Jan Hubicka <jh@suse.cz>
1961 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1964 2006-04-06 Mike Stump <mrs@apple.com>
1966 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1967 for HAVE_nonlocal_goto to be consistent.
1968 (expand_builtin_nonlocal_goto): Likewise.
1969 (expand_builtin_strcmp): Use #ifdef instead of #if
1970 for HAVE_cmpstrnsi to be consistent.
1972 2006-04-05 DJ Delorie <dj@redhat.com>
1974 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1977 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1979 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1980 got-relative addressing for anything but SImode.
1982 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1983 even if the calling function doesn't modify them.
1985 2006-04-05 Richard Guenther <rguenther@suse.de>
1987 PR tree-optimization/26919
1988 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1989 to cgraph_estimate_size_after_inlining.
1991 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1993 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1995 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1997 PR tree-optimization/26996
1998 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1999 VECTOR_TYPE variables.
2001 2006-04-05 Richard Guenther <rguenther@suse.de>
2003 PR tree-optimization/26763
2004 * fold-const.c (fold_comparison): Move folding of
2005 PTR + CST CMP PTR + CST ...
2006 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2008 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2010 * doc/install.texi (Prerequisites): Refine some wording on
2011 bootstrapping and ksh.
2012 Move the version numbers of DejaGnu here from the testing section
2013 and fix casing of names.
2014 Fix markup and clarify wording for autogen requirements.
2015 Refer to GCJ instead of just java.
2016 Refer to SVN instead of CVS.
2017 Describe diffutils as useful instead of necessary.
2018 (Downloading the source): Refer to SVN instead of CVS.
2019 Adjust a link to our web site accordingly.
2020 (Configuration): Fix casing of Bison.
2021 (Building): Refer to SVN instead of CVS.
2022 Fix a sentence on the use of Bison and remove duplicate (and
2023 incorrect) version number of Bison requirement.
2024 Remove one redundant list of packages needed for building.
2025 (Specific): Avoid reference to CVS.
2027 2006-04-04 Eric Christopher <echristo@apple.com>
2029 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2030 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2031 (rs6000_handle_struct_attribute): New.
2032 (rs6000_ms_bitfield_layout_p): Ditto.
2034 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2036 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2037 NULL for dso parameter to atexit_common.
2039 2006-04-04 Eric Christopher <echristo@apple.com>
2041 * config/i386/i386.c (machopic_output_stub): Output \t
2042 between instructions and operands.
2044 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2046 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2047 satisfies_constraint_[IL] to explicit tests on value.
2049 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2051 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2052 set_nb_iterations_in_loop): Use build_int_cst instead of
2054 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2055 build_int_cst instead of convert.
2057 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2059 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2060 new value 2 for incoming.
2061 * function.c (expand_function_start): Call struct_value_rtx
2063 * config/sparc/sparc.md: Comment updated_return.
2064 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2065 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2066 struct return if sparc_std_struct_return and incoming is 2.
2067 (print_operand): Do not adjust return if
2068 sparc_std_struct_return.
2070 2006-04-04 Roger Sayle <roger@eyesopen.com>
2072 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2073 convert in the middle-end.
2074 * expr.c (store_expr, store_constructor, get_inner_reference,
2075 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2077 * tree.c (build_range_type): Likewise.
2079 2006-04-04 Tom Tromey <tromey@redhat.com>
2081 * doc/install.texi (Prerequisites): Mention jar.
2083 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2085 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2088 2006-04-04 Matthias Klose <doko@debian.org>
2090 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2091 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2094 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2096 * doc/extend.texi (Function Attributes): Rewrite visibility
2097 attribute documentation.
2098 * doc/invoke.texi (C++ Dialect Options): Rewrite
2099 -fvisibility-inlines-hidden documentation to describe something
2100 entirely different, although in practise compatible.
2101 (Code Gen Options): Warn about system headers in -fvisibiltity=
2104 * doc/extend.texi (Other Builtins): Document that
2105 __builtin_nan is a compile-time constant only when its argument
2108 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2110 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2111 trying to remove TRUNCATE check if all bits outside the new mode
2112 are identical to the sign bit.
2114 2006-04-03 Jeff Law <law@redhat.com>
2116 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2117 and operand scanning in some common cases.
2119 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2120 Dale Johannesen <dalej@apple.com>
2123 * regclass.c (struct reg_pref): Update documentation.
2124 (regclass): Set prefclass to NO_REGS if memory is the best option.
2125 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2126 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2127 into account. For non-registers, equate an empty preferred
2128 reload class to a `!' in the constraint; move the if clause to
2129 do so after those that reject the insn.
2130 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2132 (find_dummy_reload): Likewise.
2133 * doc/tm.texi (Register Classes): Document what it means
2134 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2135 * config/i386/i386.c (ix86_preferred_reload_class): Force
2136 using SSE registers (and return NO_REGS for floating-point
2137 constants) if math is done with SSE.
2138 (ix86_preferred_output_reload_class): New.
2139 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2140 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2141 * config/i386/i386.md: Remove # register preferences.
2143 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2146 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2147 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2148 the type of nb_iter.
2149 (instantiate_parameters_1): Convert the operands before calling
2150 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2151 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2153 2006-04-02 Roger Sayle <roger@eyesopen.com>
2155 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2156 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2158 * dojump.c (do_jump): Likewise.
2159 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2160 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2161 gimplify_boolean_expr): Likewise.
2162 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2163 * varasm.c (array_size_for_constructor): Likewise.
2164 * tree-object-size.c (compute_object_offset): Likewise.
2166 2006-04-02 Roger Sayle <roger@eyesopen.com>
2169 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2170 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2172 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2174 PR tree-optimization/26939
2175 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2177 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2179 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2180 at_stmt. Convert the type of operands before calling
2181 build_polynomial_chrec.
2182 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2184 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2185 (instantiate_parameters_1): Convert the type of operands before calling
2186 build_polynomial_chrec.
2187 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2188 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2189 reset_evolution_in_loop): Insert asserts to check the types of the
2191 (chrec_type): Moved...
2192 (eq_evolutions_p): Use operand_equal_p.
2193 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2194 the types of the operands.
2195 (chrec_type): ...here.
2196 * tree-data-ref.c (create_data_ref): Convert the operands before
2197 calling chrec_replace_initial_condition.
2198 (same_access_functions, analyze_subscript_affine_affine,
2199 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2200 (compute_subscript_distance, analyze_ziv_subscript,
2201 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2202 analyze_miv_subscript): Convert the operands before calling
2203 chrec_fold_minus or chrec_fold_plus.
2205 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2207 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2208 the dependence_relations vector.
2209 (compute_data_dependences_for_loop): Adjust call to
2210 compute_all_dependences.
2212 2006-04-01 Roger Sayle <roger@eyesopen.com>
2213 Richard Henderson <rth@redhat.com>
2215 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2216 gimple_boolify on the condition before calling gimplify_expr.
2218 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2220 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2221 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2222 the frame size. Update to use the new macros.
2223 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2224 * config/xtensa/ieee754-df.S: Likewise.
2226 2006-03-31 Richard Henderson <rth@redhat.com>
2228 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2229 (make_edges): ... here. Control fallthru creation with a local
2230 variable. Do not play with fake edges.
2231 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2232 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2235 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2237 * dwarf2.h (DW64_CIE_ID): Define.
2238 * dwarf2out.c (DWARF_CIE_ID): Define.
2239 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2240 length header. Use DWARF_CIE_ID.
2241 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2242 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2244 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2246 * config/sh/linux-atomic.asm: New file.
2247 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2249 2006-03-31 DJ Delorie <dj@redhat.com>
2251 * config/m32c/cond.md: Set condition flags properly throughout.
2252 * config/m32c/minmax.md: Likewise.
2253 * config/m32c/prologue.md: Likewise.
2254 * config/m32c/bitops.md: Likewise.
2255 * config/m32c/muldiv.md: Likewise.
2256 * config/m32c/mov.md: Likewise.
2257 * config/m32c/addsub.md: Likewise.
2258 * config/m32c/m32c.md: Likewise.
2259 * config/m32c/jump.md: Likewise.
2260 * config/m32c/shift.md: Likewise.
2262 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2263 conditionally output the pattern for this.
2264 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2265 (m32c_compare_redundant): New.
2266 (m32c_output_compare): New.
2267 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2269 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2270 dest, not src. Allow other 4-byte modes.
2272 2006-03-30 Denis Chertykov <denisc@overta.ru>
2274 * doc/md.texi: Refer to avr/constraints.md instead of
2277 2006-03-30 Roger Sayle <roger@eyesopen.com>
2279 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2280 signed vs. unsigned comparison failures on some hosts.
2282 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2285 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2286 change to FLOAT_REGS.
2288 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2289 (rs6000_override_options): Use it.
2290 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2291 only for -mabi=spe/no-spe and -mabi=altivec.
2293 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2295 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2298 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2300 * Makefile.in: Rename docdir to gcc_docdir.
2302 2006-03-30 Roger Sayle <roger@eyesopen.com>
2305 * expr.c (emit_group_store): Optimize group stores into a pseudo
2306 register by using a paradoxical subreg to initialize the destination
2307 if the first or last member of the group specifies a "low part".
2309 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2312 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2313 * target.h (struct gcc_target.speculate_insn): Change type of the
2314 second parameter to 'int'.
2315 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2316 the second operand of the DEPS_LIST.
2317 (copy_DEPS_LIST_list): Update reference to the second operand of the
2319 * rtl.h (alloc_DEPS_LIST): Update signature.
2320 * sched-int.h (ds_t): Change typedef to 'int'.
2321 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2323 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2325 * haifa-sched.c (try_ready): Change condition to restore
2326 non-speculative pattern of the instruction.
2327 (process_insn_depend_be_in_spec): Code to keep probability of the
2328 speculative dependence non-decreasing.
2330 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2332 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2333 (single_move_for_movmem): ... this. Also change all uses.
2334 (bfin_expand_strmov): Renamed to...
2335 (bfin_expand_movmem): ... this. Also change all uses.
2336 * config/bfin/bfin.md (movstrsi): Renamed to...
2337 (movstrsi): ...this.
2339 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2341 PR tree-optimization/26830
2343 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2344 (copy_prop_visit_stmt): Remove write-only variable ann.
2345 (init_copy_prop): Check variable loop depth here. Do not simulate
2346 memory-tag and virtual operand PHIs except for store copy prop.
2348 2006-03-30 Richard Guenther <rguenther@suse.de>
2350 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2351 variants with double arguments.
2353 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2355 * genpreds.c (write_tm_constrs_h): Delete variable p.
2356 * genconditions.c (write_header): Add tm-constrs.h to included
2358 * genpeep.c (main): Add toplev.h to included headers.
2359 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2360 (build/genpeep.o): Add toplev.h dependency.
2361 * config/rs6000/constraints.md: Add "W" constraint.
2363 2006-03-29 Roger Sayle <roger@eyesopen.com>
2365 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2366 sizes by correctly testing whether the size fits a host integer.
2367 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2368 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2369 SImode range for the default sizetype and bitsizetype.
2371 2006-03-29 Roger Sayle <roger@eyesopen.com>
2373 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2374 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2375 quickly if the argument is already of the correct type.
2376 Call fold_build1 instead of build1. Tidy up blank lines.
2378 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2380 * genemit.c (main): Add tm-constrs.h to included headers.
2381 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2382 * genpeep.c (main): Add tm-constrs.h to included headers.
2383 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2384 (write_tm_constrs_h): this and write complete file.
2385 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2386 (write_insn_preds_c): Add tm-constrs.h to included headers.
2387 (gen_constrs): New variable.
2388 (parse_option): Parse "-c".
2389 (main): Invoke write_tm_constrs_h.
2390 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2391 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2392 (object_out_file): Add tm-constrs.h dependency.
2393 (insn-emit.o): Same.
2394 (insn-output.o): Same.
2395 (insn-peep.o): Same.
2396 (insn-preds.o): Same.
2397 (insn-recog.o): Same.
2398 (tm-constsr.h): New target.
2399 (s-constrs-h): New target.
2401 * config/rs6000/constraints.md: New file.
2402 * config/rs6000/rs6000.c: Include tm-constrs.h.
2403 (num_insn_constant_wide): Convert to satisfies_constraint.
2404 (rs6000_rtx_costs): Convert to satisfies_constraint.
2405 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2406 (CONST_OK_FOR_LETTER_P): Delete.
2407 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2408 (EXTRA_CONSTRAINT): Delete.
2409 (EXTRA_MEMORY_CONSTRAINT): Delete.
2410 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2411 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2412 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2413 satisfies_constraint.
2415 * config/i386/i386.c: Include tm-constrs.h.
2417 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2419 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2420 * tree-data-ref.c (find_data_references_in_loop,
2421 compute_data_dependences_for_loop): Use pointers to VEC.
2422 (analyze_all_data_dependences): Adjust calls.
2423 * tree-data-ref.h (find_data_references_in_loop,
2424 compute_data_dependences_for_loop): Adjust declarations.
2425 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2426 compute_data_dependences_for_loop.
2428 2006-03-29 Paul Brook <paul@codesourcery.com>
2430 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2433 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2435 PR tree-optimization/26859
2436 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2438 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2439 for the step after fold_convert.
2441 2006-03-29 Paul Brook <paul@codesourcery.com>
2443 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2444 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2446 2006-03-29 Paul Brook <paul@codesourcery.com>
2449 * targhooks.c (default_narrow_bitfield): New fuction.
2450 * targhooks.h (default_narrow_bitfield): add prototype.
2451 * target.h (gcc_target): Add narrow_volatile_bitfield.
2452 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2453 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2454 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2455 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2457 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2459 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2461 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2462 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2463 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2464 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2465 (s390_function_arg_float): Allow SDmode and DDmode values to be
2466 passed in floating point registers.
2467 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2468 check with SCALAR_FLOAT_MODE_P.
2469 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2471 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2473 PR tree-optimization/25985
2474 * tree-ssa-loop-niter.c (number_of_iterations_le,
2475 number_of_iterations_ne): Make comments more precise.
2476 (number_of_iterations_cond): Add only_exit argument. Use the
2477 fact that signed variables do not overflow only when only_exit
2479 (loop_only_exit_p): New.
2480 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2481 number_of_iterations_cond.
2483 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2485 PR tree-optimization/26643
2486 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2489 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2491 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2492 (divsi3_i4_int): Likewise.
2494 2006-03-28 Roger Sayle <roger@eyesopen.com>
2496 * expr.c (emit_group_store): Only create a new pseudo reg if the
2497 quantity it needs to hold isn't already a suitable pseudo.
2499 2006-03-28 Jeff Law <law@redhat.com>
2501 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2502 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2504 2006-03-28 Roger Sayle <roger@eyesopen.com>
2506 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2507 the equivalent ~X & Y, and the symmetry related transformations.
2508 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2509 ~X & Y, and symmetry related transforms.
2511 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2513 Revert my 2006-03-27 patches.
2515 2006-03-28 Roger Sayle <roger@eyesopen.com>
2517 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2518 ~(T1)X, when T1 and T2 are integer types of the same precision
2519 and (T2)X isn't an extension.
2521 2006-03-28 Jeff Law <law@redhat.com>
2523 PR tree-optimization/26796
2524 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2525 need EH edge cleanups rather than purging them immediately.
2526 (eliminate_degenerate_phis): Handle queued EH cleanups.
2528 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2530 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2533 2006-03-27 Roger Sayle <roger@eyesopen.com>
2536 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2537 cast BIT_NOT_EXPR operand to the correct type.
2539 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2541 * tree-loop-linear.c: Don't include varray.h.
2542 (gather_interchange_stats, try_interchange_loops,
2543 linear_transform_loops): Use VEC instead of VARRAY.
2544 * lambda-mat.c: Don't include varray.h.
2545 * tree-chrec.c: Same.
2546 * lambda-trans.c: Same.
2547 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2548 VEC instead of VARRAY.
2549 * tree-vectorizer.h: Idem.
2550 * tree-data-ref.c (dump_data_references,
2551 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2552 initialize_data_dependence_relation, finalize_ddr_dependent,
2553 compute_all_dependences, find_data_references_in_loop,
2554 compute_data_dependences_for_loop, analyze_all_data_dependences,
2555 free_dependence_relation, free_dependence_relations,
2556 free_data_refs): Idem.
2557 * tree-data-ref.h (data_reference_p, subscript_p): New.
2558 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2559 VEC instead of VARRAY.
2560 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2561 (find_data_references_in_loop, compute_data_dependences_for_loop,
2562 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2563 dump_data_dependence_relations, free_dependence_relations,
2564 free_data_refs): Adjust declaration.
2565 (lambda_transform_legal_p): Move declaration here...
2566 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2567 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2568 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2569 vect_analyze_data_refs): Use VEC instead of VARRAY.
2570 * lambda.h (lambda_transform_legal_p): ...from here.
2571 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2572 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2573 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2574 tree-chrec.o): Don't depend on VARRAY_H.
2576 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2578 * rtl.def (Copyright): Update date.
2579 (DEPS_LIST): Change type of the second operand to 'int'.
2580 * target.h (Copyright): Update date.
2581 (struct gcc_target.speculate_insn): Change type of the second parameter
2583 * lists.c (Copyright): Update date.
2584 (alloc_DEPS_LIST): Change signature. Update reference to the second
2585 operand of the DEPS_LIST.
2586 (copy_DEPS_LIST_list): Update reference to the second operand of the
2588 * rtl.h (Copyright): Update date.
2589 (alloc_DEPS_LIST): Update signature.
2590 * sched-int.h (Copyright): Update date.
2591 (ds_t): Change typedef to 'int'.
2592 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2594 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2596 * haifa-sched.c (Copyright): Update date.
2597 (try_ready): Change condition to restore non-speculative pattern
2599 (process_insn_depend_be_in_spec): Code to keep probability of the
2600 speculative dependence non-decreasing.
2602 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2604 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2605 shut up the compiler.
2607 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2609 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2610 to use lib prefix for target.
2611 ($(T)libic_invalidate_array_4-200.a): Likewise.
2612 ($(T)libic_invalidate_array_4a.a): Likewise.
2614 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2615 J"orn Rennecke <joern.rennecke@st.com>
2617 * superh.opt: New file.
2618 * sh.c (boardtype, osruntime): Remove.
2619 * superh.h (SUBTARGET_OPTIONS): Remove.
2620 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2622 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2623 arguments with ^ and/or [].
2625 * config.gcc (sh-*-*): Add quoting to account for quirk of
2627 Replace == with = in enable_incomplete_targets test.
2629 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2630 with MASK_LITTLE_ENDIAN.
2632 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2633 * config/sh/sh.opt: Added to some comments.
2634 * config/sh/superh.h: Removed some chaff.
2636 * config/sh/sh.opt: Add m4-[1234]00* options.
2637 * config/sh/sh.c (sh_handle_option): Likewise.
2638 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2639 (ic_invalidate_array_4-100.o): New rule.
2640 ($(T)libic_invalidate_array_4-100.a): Likewise.
2641 (ic_invalidate_array_4-200.o): Likewise.
2642 ($(T)libic_invalidate_array_4-200.a): Likewise.
2643 (ic_invalidate_array_4a.o): Likewise.
2644 ($(T)libic_invalidate_array_4a.a): Likewise.
2645 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2646 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2648 * config/sh/crt1.asm: Merged in profiling code.
2649 * config/sh/superh.h (STARTFILE_SPEC): Override.
2650 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2651 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2652 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2654 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2655 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2656 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2658 * sh.opt (mpretend-cmove): New option.
2659 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2660 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2661 (movsicc): Add TARGET_PRETEND_CMOVE code.
2663 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2665 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2666 s390_class_max_nregs): New function prototypes.
2667 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2668 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2669 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2670 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2672 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2674 * dwarf2out.c (add_location_or_const_value_attribute): Call
2675 tree_add_const_value_attribute if nothing else works.
2676 (reference_to_unused): New.
2677 (rtl_for_decl_init): Use reference_to_unused to decide whether
2678 to output an initializer.
2680 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2683 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2684 peephole removing spe frob_di_df_2.
2686 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2688 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2689 (subscript_dependence_tester_1): Declared.
2690 (print_dir_vectors, print_dist_vectors): New.
2691 (debug_data_dependence_relation): New.
2692 (dump_data_dependence_relation): Print more details.
2693 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2694 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2695 (save_dist_v, save_dir_v, add_outer_distances,
2696 build_classic_dist_vector_1): New.
2697 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2698 Don't test for lambda_vector_lexico_pos.
2699 (same_access_functions, add_multivariate_self_dist,
2700 add_other_self_distances, dir_from_dist): New.
2701 (build_classic_dir_vector): Replace implementation almost identical to
2702 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2704 (subscript_dependence_tester_1): New.
2705 (subscript_dependence_tester): Handle the lexicographically negative
2706 distance vectors by recomputing the dependence relation.
2707 (compute_affine_dependence): Remove parameter loop_nest_depth.
2708 (compute_self_dependence): Don't call compute_subscript_distance.
2709 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2710 Add a parameter for the loop_nest.
2711 (find_loop_nest_1, find_loop_nest): New.
2712 (compute_data_dependences_for_loop): Compute the loop nest, and give
2713 up if the nest is not well formed.
2714 * tree-data-ref.h (loop_p): New.
2715 (struct data_dependence_relation): Replace size_vect field with
2716 loop_nest, a vec of loops.
2717 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2718 (DDR_LOOP_NEST): New.
2719 (print_dir_vectors, print_dist_vectors,
2720 debug_data_dependence_relation): Declared.
2721 (index_in_loop_nest): New.
2722 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2723 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2726 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2728 * simplify-rtx.c (simplify_relational_operation): Call
2729 simplify_relational_operation_1 even if mode is VOIDmode.
2731 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2733 PR tree-optimization/26804
2734 * tree.h (DECL_CALL_CLOBBERED): New macro.
2735 (tree_decl_common): Add call_clobbered_flag.
2736 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2737 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2738 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2739 (mark_non_addressable): Ditto.
2740 * tree-ssa.c (verify_call_clobbered): New function.
2741 (verify_alias_info): Use it.
2742 * tree-pass.h (pass_reset_cc_flags): New prototype.
2743 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2744 (reset_cc_flags): New function.
2745 * passes.c (init_optimization_passes): Call reset_cc_flags after
2746 initializing referenced_vars.
2748 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2749 Roger Sayle <roger@eyesopen.com>
2752 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2753 to 1.0 for non-real operands. Implement A / A optimization for
2756 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2758 * config/i386/i386.c (size_cost): Correct the comment for
2759 cost of storing fp registers.
2760 (i386_cost): Likewise.
2761 (i486_cost): Likewise.
2762 (pentium_cost): Likewise.
2763 (pentiumpro_cost): Likewise.
2764 (k6_cost): Likewise.
2765 (athlon_cost): Likewise.
2766 (k8_cost): Likewise.
2767 (pentium4_cost): Likewise.
2768 (nocona_cost): Likewise.
2769 (generic64_cost): Likewise.
2770 (generic32_cost): Likewise.
2772 2006-03-24 Denis Chertykov <denisc@overta.ru>
2774 * config/avr/avr-protos.h (extra_constraint): Delete.
2775 (extra_constraint_Q): New declaration.
2776 * config/avr/constraints.md: New file.
2777 * config/avr/avr.md: Include it.
2778 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2779 (TMP_REGNO, ZERO_REGNO): Likewise.
2780 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2781 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2782 (extra_constraint): Delete.
2783 (extra_constraint_Q): Test for memory constraint 'Q'.
2784 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2785 (REG_CLASS_FROM_LETTER): Delete.
2786 (CONST_OK_FOR_LETTER_P): Delete.
2787 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2788 (EXTRA_CONSTRAINT): Delete.
2789 (TMP_REGNO): Delete.
2790 (ZERO_REGNO): Delete.
2792 2006-03-24 Jeff Law <law@redhat.com>
2794 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2795 directly. Call mark_new_vars_to_rename slightly earlier.
2797 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2799 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2801 (gen_compile_unit_die): Use new language types for Objective-C and
2803 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2804 DW_LANG_C_plus_plus.
2807 * config/t-darwin (crt3.o): Work around bug 26840.
2808 * config/darwin-crt3.c: Rewrite.
2809 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2811 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2813 * doc/invoke.texi: Document -femit-class-debug-always
2814 * common.opt: Add -femit-class-debug-always.
2816 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2818 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2819 index and base register.
2820 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2821 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2822 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2823 REGNO_OK_FOR_INDEX_P.
2824 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2826 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2827 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2828 REG_OK_FOR_BASE_P): Definitions removed.
2830 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2833 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2834 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2835 set yet or weren't marked as local yet.
2837 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2839 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2842 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2844 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2845 (rs6000_legitimate_small_data_p): Delete.
2846 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2847 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2848 and make static. Add forward declaration. Update uses.
2849 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2850 of offsettable_memref_p.
2851 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2852 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2854 2006-03-24 Jeff Law <law@redhat.com>
2856 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2857 around bug in immediate-use iterator.
2859 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2862 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2863 or __LITTLE_ENDIAN__.
2865 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2867 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2868 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2869 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2870 * config/sh/sh.opt (mdiv=): Amend description.
2871 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2872 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2873 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2874 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2875 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2876 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2877 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2878 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2879 TARGET_DIVIDE_CALL_FP.
2881 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2883 * haifa-sched.c (choose_ready): Fix type of the local variable.
2884 Move local variables. Add comment.
2885 (check_reg_live): Change signature. Make callable from debugger.
2886 * sched-int.h (check_reg_live): Update signature.
2887 * sched-ebb.c (check_reg_live): Update parameters.
2888 * sched-rgn.c (check_reg_live): Ditto.
2889 (region_head_or_leaf_p): Check pointer before dereferencing.
2890 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2891 before reload on optimization levels below 1.
2893 2006-03-23 Richard Henderson <rth@redhat.com>
2895 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2899 * config/alpha/predicates.md (local_symbolic_operand): Reject
2902 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2905 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2906 expressions which have overflowed constants.
2908 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2910 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2912 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2914 * cfgloopmanip.c (create_loop_notes): Removed.
2915 * final.c (final_scan_insn): Do not handle loop notes.
2916 * jump.c (squeeze_notes): Ditto.
2917 * cfglayout.c (skip_insns_after_block,
2918 duplicate_insn_chain): Ditto.
2919 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2921 * cfgloop.h (create_loop_notes): Declaration removed.
2923 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2925 * varasm.c (output_constant_pool): Restore fnname and fndecl
2927 (assemble_start_function): Adjust call accordingly.
2928 (assemble_end_function): Likewise.
2930 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2933 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2936 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2938 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2941 * system.h (ICE_EXIT_CODE): New macro.
2942 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2943 (diagnostic_action_after_output): Likewise.
2944 * gcc.c (fatal_ice): New function.
2945 (execute): Use it instead of fatal.
2946 (fancy_abort): Likewise.
2947 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2949 2006-03-22 Jeff Law <law@redhat.com>
2951 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2952 iv_analyze_result returning false.
2954 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2956 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2958 2006-03-22 Richard Henderson <rth@redhat.com>
2961 * except.c (duplicate_eh_regions_0): New.
2962 (duplicate_eh_region_1): Duplicate the children of the node as
2963 well as the node itself. Link them up properly.
2964 (duplicate_eh_region_2): Merge into ...
2965 (duplicate_eh_regions): ... here. Take copy_region argument, and
2966 copy only a sub-tree if asked. Simplify copying and fixup.
2967 (eh_region_outer_p): New.
2968 * except.h (duplicate_eh_regions): Update decl.
2969 (eh_region_outer_p): Declare.
2970 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2971 (lower_omp_master): Likewise.
2972 (lower_omp_ordered): Likewise.
2973 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2974 (move_stmt_r): Use it to remap labels. Handle recursion vs
2975 remap_decls_p properly.
2976 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2977 (find_outermost_region_in_block): New.
2978 (new_label_mapper): New.
2979 (move_sese_region_to_fn): Copy eh information to the new function
2981 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2983 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2986 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2988 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2989 into shared libraries.
2991 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2993 * doc/md.texi: Refer to i386/constraints.md instead of
2995 * config/i386/constraints.md: New file, extracted from...
2996 * config/i386/predicates.md: ...here.
2997 * config/i386/i386.md: Include constraints.md.
2999 2006-03-21 Jason Merrill <jason@redhat.com>
3001 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3004 * expr.c (init_block_move_fn): Force default visibility.
3005 (init_block_clear_fn): Likewise.
3006 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3007 * targhooks.c (default_external_stack_protect_fail): Likewise.
3009 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3011 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3012 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3013 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3014 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3015 (loadgp): Use mips_current_loadgp_style.
3016 (loadgp_noshared): New pattern.
3017 (sibcall_internal): Use MIPS_CALL.
3018 (sibcall_value_internal): Likewise.
3019 (sibcall_value_multiple_internal): Likewise.
3020 (call_internal): Likewise.
3021 (call_value_internal): Likewise.
3022 (call_value_multiple_internal): Likewise.
3023 (call_split): Use MIPS_CALL and add an 'S' constraint.
3024 (call_value_split): Likewise.
3025 (call_value_multiple_split): Likewise.
3026 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3027 (-mshared): New option.
3028 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3029 (mips_current_loadgp_style): Declare.
3030 * config/mips/mips.c (mips_classify_symbol): Avoid using
3031 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3032 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3033 TARGET_ABSOLUTE_ABICALLS.
3034 (override_options): Adjust comments. Improve the warning that is
3035 issued when -mabicalls and -G are used together.
3036 (mips_file_start): Remove comment.
3037 (mips_current_loadgp_style): New function.
3038 (mips_gnu_local_gp): New variable.
3039 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3041 (mips_output_function_prologue): Use mips_current_laodgp_style.
3042 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3043 the cprestore instruction.
3044 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3045 live for TARGET_ABSOLUTE_ABICALLS.
3046 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3047 (ASM_SPEC): Pass down -mshared and -mno-shared.
3048 (MIPS_CALL): New macro.
3049 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3051 * doc/invoke.texi (-mabicalls): Update documentation.
3052 (-mshared): Document.
3054 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3056 * config/ia64/unwind-hpux.c: New file.
3057 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3059 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3062 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3064 2006-03-21 Jeff Law <law@redhat.com>
3066 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3067 type conversions of a VR_VARYING source to a wider type.
3069 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3071 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3072 tm_file on Solaris 10 and later.
3073 (sparc64-*-solaris2*): Likewise.
3074 (sparc-*-solaris2*): Likewise.
3075 * config/sol26.h: Rename to config/sol2-6.h.
3076 * config/sol2-10.h: New file.
3078 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3081 * tree-ssa-pre.c (create_component_ref_by_pieces):
3084 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3087 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3088 return it immediately.
3090 2006-03-21 Michael Matz <matz@suse.de>
3092 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3094 (remove_arc, add_arc): Update num_out_arcs member.
3095 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3097 (cache_presence): New function.
3098 (compare_states_for_equiv): New function.
3099 (state_is_differed): Don't take number of outargs, adjust callers.
3100 Use new invariant for speeding up.
3101 (init_equiv_class): Create initial classes based on sorted
3103 (partition_equiv_class): Don't track out_arcs_num.
3104 (evaluate_equiv_classes): Call cache_presence on all states and
3107 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3109 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3110 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3111 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3112 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3114 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3115 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3116 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3117 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3118 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3120 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3121 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3122 (REGNO_REG_CLASS): ARGP is in PREGS.
3123 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3125 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3126 to deal with those addresses.
3127 * addresses.h: New file.
3128 * caller-save.c: Include "addresses.h".
3129 (init_caller_save): Use new base_reg_class function.
3130 * rtl-factoring.c: Include "addresses.h".
3131 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3132 * recog.c: Include "addresses.h".
3133 (preprocess_constraints): Use new base_reg_class function.
3134 * regrename.c: Include "addresses.h".
3135 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3136 functions. Keep track of a new var INDEX_CODE to compute valid
3138 (replace_oldest_value_addr): Likewise.
3139 (replace_oldest_value_mem): Use base_reg_class.
3140 * reload.c: Include "addresses.h".
3141 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3142 (find_reloads): Use new base_reg_class function.
3143 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3144 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3145 all callers and prototype changed.
3146 * reload1.c: Include "addresses.h".
3147 (maybe_fix_stack_asms): Use base_reg_class.
3148 * regclass.c: Include "addresses.h".
3149 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3150 (init_reg_autoinc): Use new base_reg_class function.
3151 (record_reg_classes): Likewise.
3152 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3153 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3154 Use new args to compute necessary class.
3156 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3157 regrename.o, rtl-factoring.o): Update dependencies.
3158 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3159 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3160 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3161 REG_OK_FOR_INDEX_P): Delete documentation.
3163 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3165 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3166 from V7 to V9 for Solaris 7 and above.
3168 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3170 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3171 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3172 argument pointers may not alias any other storage.
3173 * common.opt: Define option -fargument-noalias-anything.
3174 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3175 alias semantics is specified by flag_argument_noalias > 2.
3177 2006-03-20 Jeff Law <law@redhat.com>
3179 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3180 (pass_phi_only_cprop): Declare.
3181 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3183 * tree-ssa-dom.c (degenerate_phi_result): New function.
3184 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3185 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3186 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3187 (eliminate_degenerate_phis): Likewise.
3188 (pass_phi_only_cprop): New pass descriptor.
3189 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3190 support code. Callers updated.
3191 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3192 (store_copy_prop): Likewise.
3193 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3195 2006-03-20 Jason Merrill <jason@redhat.com>
3198 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3199 (push_visibility, pop_visibility): Likewise.
3200 * c-pragma.h: Declare them.
3202 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3204 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3206 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3207 parameter and use get_ebb_head_tail.
3208 (sh_md_init_global): Adjust uses of find_regmode_weight.
3210 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3212 * function.h (struct function) <x_tail_recursion_reentry>:
3213 Rename to x_stack_check_probe_note.
3214 (tail_recursion_reentry): Rename to stack_check_probe_note.
3215 * function.c: Replace tail_recursion_reentry with
3216 stack_check_probe_note everywhere.
3217 (expand_function_start): Only emit a note for
3218 stack_check_probe_note with -fstack-protect.
3219 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3221 * emit-rtl.c (remove_unnecessary_notes): Remove.
3222 (pass_remove_unnecessary_notes): Remove.
3223 * rtl.h (remove_unnecessary_notes): Remove prototype.
3224 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3225 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3226 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3228 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3231 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3232 (valid_in_set): Handle ARRAY_REF.
3233 Change "if min_variant or VH" to asserts.
3234 (create_component_ref_by_pieces): Handle ARRAY_REF.
3235 (create_expression_by_pieces): Likewise.
3236 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3238 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3240 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3241 is operand of switch, not str[0].
3243 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3245 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3246 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3248 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3250 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3251 end of insn_extra_address_constraint declaration.
3253 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3255 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3256 (no-sum-in-toc): Same.
3257 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3259 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3260 NO_FP_IN_TOC for -fPIC instead of mask.
3262 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3263 (BOOT_LDFLAGS): Delete.
3265 * config/rs6000/t-aix52: Same.
3267 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3268 (stmsi[345678]_power): New.
3270 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3272 * config/ia64/ia64.opt: Add empty line to end of file.
3274 2006-03-17 Richard Guenther <rguenther@suse.de>
3277 * builtins.c (get_pointer_alignment): For component style references
3278 adjust alignment to the component type alignment. Make sure
3279 to adjust alignment for component access of constants.
3281 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3283 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3286 2006-03-17 Paul Brook <paul@codesourcery.com>
3288 * doc/install.texi: Docuemnt --with-mode.
3289 * config.gcc: Add --with-mode for arm*-*-*.
3290 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3292 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3294 * sh.c (max_labelno_before_reorg): New variable.
3295 (sh_reorg): Initialize it.
3296 (find_barrier): Check max_labelno_before_reorg before using
3297 label_to_alignment. Take length of explicit alignment insns
3298 into account. When seeing a UNSPECV_CONST_END, return it.
3300 * sh.c (fixup_mova): Set mode of affected label to QImode.
3301 (untangle_mova): New function.
3302 (find_barrier): Use it. Check mode of label before decrementing
3304 (sh_reorg): Likewise.
3305 Set mode of all insns back to VOIDmode.
3307 * sh.c (MOVA_LABELREF): New macro.
3308 (mova_p, fixup_mova, sh_reorg): Use it.
3309 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3310 ADDR_DIFF_VEC matches mova.
3312 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3314 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3315 with ATTRIBUTE_UNUSED.
3317 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3319 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3320 pointer, instead of assuming it is possible to derive the
3321 correct args size from a call insn.
3323 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3325 * rtl.h (CONST_INT_P): Define.
3326 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3327 instead of GET_CODE(x) == CONST_INT.
3328 (vax_rtx_costs): Likewise.
3329 (vax_output_int_move): Likewise.
3330 (vax_output_int_add): Likewise.
3331 (legitimate_constant_address_p): Likewise.
3332 (index_term_p): Likewise.
3333 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3334 * config/vax/vax.md (and<mode>3): Likewise.
3335 (ashrsi3): Likewise.
3337 (movstricthi): Likewise.
3338 (movstrictqi): Likewise.
3339 (rotrsi3): Likewise.
3340 (five unnamed insns): Likewise.
3342 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3344 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3345 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3346 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3347 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3348 Pass to ASM_OUTPUT_DWARF_OFFSET.
3349 * dwarf2out.c (debug_frame_section): New.
3350 (output_call_frame_info): Use debug_frame_section. Pass it to
3351 dw2_asm_output_offset.
3352 (output_die): Pass appropriate section to dw2_asm_output_offset.
3353 (output_compilation_unit_header): Likewise.
3354 (output_pubnames): Likewise.
3355 (output_aranges): Likewise.
3356 (enum dw_val_class): Break dw_val_class_lbl_offset into
3357 dw_val_class_lineptr and dw_val_class_macptr.
3358 (add_AT_lbl_offset): Delete.
3359 (add_AT_lineptr): New.
3360 (add_AT_macptr): New.
3361 (AT_lbl): Expect a lineptr or macptr.
3362 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3363 (attr_checksum): Likewise.
3364 (same_dw_val_p): Likewise.
3365 (size_of_die): Likewise.
3366 (value_format): Likewise.
3367 (output_die): Likewise.
3368 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3370 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3371 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3372 * config/darwin-protos.h (darwin_file_start): New.
3373 (darwin_asm_output_dwarf_offset): New.
3374 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3375 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3377 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3378 if not EH section; simplify.
3379 (darwin_file_start): New.
3380 (darwin_asm_output_dwarf_offset): New.
3381 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3383 (DEBUG_INFO_SECTION): Likewise.
3384 (DEBUG_ABBREV_SECTION): Likewise.
3385 (DEBUG_ARANGES_SECTION): Likewise.
3386 (DEBUG_MACINFO_SECTION): Likewise.
3387 (DEBUG_LINE_SECTION): Likewise.
3388 (DEBUG_LOC_SECTION): Likewise.
3389 (DEBUG_PUBNAMES_SECTION): Likewise.
3390 (DEBUG_STR_SECTION): Likewise.
3391 (DEBUG_RANGES_SECTION): Likewise.
3392 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3393 (ASM_OUTPUT_DWARF_OFFSET): New.
3395 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3397 * config.gcc (tm_defines): Always add to previous value rather
3400 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3402 * config/mips/predicates.md (splittable_const_int_operand): New,
3403 split from move_operand.
3404 (splittable_symbolic_operand): New.
3405 (move_operand): Add commentary. Use splittable_const_int_operand.
3406 Inline mips_atomic_symbolic_constant_p.
3407 * config/mips/mips.md: Add combine splitters for handling moves
3408 of splittable_const_int_operands and splittable_symbolic_operands.
3409 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3410 (mips_split_symbol): Declare.
3411 (mips_move_integer): Declare.
3412 * config/mips/mips.c (mips_split_p): Make global.
3413 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3414 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3415 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3416 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3417 (mips_offset_within_object_p): Handle block symbols.
3418 (mips_atomic_symbolic_constant_p): Delete.
3419 (mips_cannot_force_const_mem): Return false for constants that
3420 mips_legitimize_move can handle.
3421 (mips_use_blocks_for_constant_p): New function.
3422 (mips_split_symbol): Make global.
3423 (mips_move_integer): Likewise. Add a temporary register argument.
3424 (mips_legitimize_const_move): Use splittable_const_int_operand and
3425 splittable_symbolic_operand.
3426 (mips_use_anchors_for_symbol_p): New function.
3427 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3428 (mips_split_p): Declare.
3430 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3432 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3433 (mips*-*-linux*): Likewise.
3435 2006-03-16 Roger Sayle <roger@eyesopen.com>
3436 Daniel Speyer <dspeyer@wam.umd.edu>
3439 * tree-dump.c (dump_real): New function.
3440 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3441 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3442 (tree-dump.o): Add $(REAL_H) to the dependencies.
3444 2006-03-16 Roger Sayle <roger@eyesopen.com>
3447 * real.c (real_from_string): If the mantissa is zero, don't bother
3448 parsing the exponent as the result should always be zero.
3450 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3452 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3454 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3456 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3457 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3458 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3459 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3460 ia64_sched_finish_global): New static functions to implement
3461 hooks from gcc_target.sched.
3462 (spec_check_no, max_uid, pending_data_specs): New static variables.
3463 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3464 ia64_spec_check_src_p): New static functions.
3465 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3466 (TARGET_SCHED_ADJUST_COST): Removed.
3467 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3468 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3469 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3470 TARGET_SCHED_GEN_CHECK,
3471 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3472 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3473 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3474 Fixed to handle speculation checks.
3475 (rtx_needs_barrier): Fixed to handle speculative loads and
3477 (ia64_variable_issue): Added code to count speculative loads and their
3479 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3481 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3483 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3485 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3486 (ia64_reorg): Reset stops_p to NULL after it is freed.
3487 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3488 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3489 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3491 (data_speculative, control_speculative, check_load): New attributes.
3492 (mov<mode>_advanced, mov<mode>_speculative,
3493 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3494 zero_extend<mode>di2_speculative,
3495 zero_extend<mode>di2_speculative_advanced): New patterns for
3496 data and control speculative loads.
3497 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3499 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3500 New pattern for data and control speculation checks.
3501 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3502 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3503 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3504 Auxiliary definitions for the patterns.
3505 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3506 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3508 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3510 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3511 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3512 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3513 New resource constraints.
3514 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3516 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3517 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3518 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3519 msched-in-control-spec, msched-ldc, msched-control-ldc,
3520 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3521 msched-prefer-non-control-spec-insns,
3522 msched-count-spec-in-critical-path): New flags to tune speculative
3524 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3525 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3526 msched-in-control-spec, msched-ldc, msched-control-ldc,
3527 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3528 msched-prefer-non-control-spec-insns,
3529 msched-count-spec-in-critical-path): Document new flags.
3531 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3533 * target.h (struct spec_info_def): New opaque declaration.
3534 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3535 speculate_insn, needs_block_p, gen_check,
3536 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3537 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3538 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3539 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3540 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3541 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3543 (TARGET_SCHED): Use new macros.
3544 * rtl.h (copy_DEPS_LIST_list): New prototype.
3545 * sched-int.h (struct sched_info): Change signature of new_ready field,
3546 adjust all initializations. New fields: add_remove_insn,
3547 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3548 region_head_or_leaf_p.
3549 (struct spec_info_def): New structure declaration.
3550 (spec_info_t): New typedef.
3551 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3552 recovery_block, orig_pat.
3553 (glat_start, glat_end): New variables declaraions.
3554 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3556 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3557 DETACH_LIFE_INFO, USE_GLAT.
3558 (enum SPEC_SCHED_FLAGS): New enumeration.
3559 (NOTE_NOTE_BB_P): New macro.
3560 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3561 attach_life_info, debug_spec_status, check_reg_live): New functions.
3562 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3563 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3565 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3566 * ddg.c (get_block_head_tail): Adjust all uses.
3567 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3568 (sms_sched_info): Initialize new fields.
3569 (contributes_to_priority): Removed.
3570 * haifa-sched.c (params.h): New include.
3571 (get_block_head_tail): Adjust all uses.
3572 (ISSUE_POINTS): New macro.
3573 (glat_start, glat_end): New global variables.
3574 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3575 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3576 old_last_basic_block, before_recovery, current_sched_info_var,
3577 rgn_n_insns, luid): New static variables.
3578 (insn_cost1): New function. Move logic from insn_cost to here.
3579 (find_insn_reg_weight1): New function. Move logic from
3580 find_insn_reg_weight to here.
3581 (reemit_notes, move_insn, max_issue): Change signature.
3582 (move_insn1): Removed.
3583 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3584 extend_bb): New static functions to support extension of scheduler's
3586 (generate_recovery_code, process_insn_depend_be_in_spec,
3587 begin_speculative_block, add_to_speculative_block,
3588 init_before_recovery, create_recovery_block, create_check_block_twin,
3589 fix_recovery_deps): New static functions to support
3590 generation of recovery code.
3591 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3592 restore_bb_notes, move_block_after_check, move_succs): New static
3593 functions to support ebb scheduling.
3594 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3595 functions to support handling of register live information.
3596 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3597 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3598 add_jump_dependencies): New static functions.
3599 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3600 consistancy checking.
3601 (debug_spec_status): New function to call from debugger.
3602 (priority): Added code to handle speculation checks.
3603 (rank_for_schedule): Added code to distinguish speculative instructions.
3604 (schedule_insn): Added code to handle speculation checks.
3605 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3606 Fixed to handle ebbs.
3607 (move_insn): Added code to handle ebb scheduling.
3608 (max_issue): Added code to use ISSUE_POINTS of instructions.
3609 (choose_ready): Added code to choose between speculative and
3610 non-speculative instructions.
3611 (schedule_block): Added code to handle ebb scheduling and scheduling of
3612 speculative instructions.
3613 (sched_init): Initialize new variables.
3614 (sched_finish): Free new variables. Print statistics.
3615 (try_ready): Added code to handle speculative instructions.
3616 * lists.c (copy_DEPS_LIST_list): New function.
3617 * sched-deps.c (extend_dependency_caches): New function. Move logic
3618 from create_dependency_caches to here.
3619 (get_dep_weak, ds_merge): Make global.
3620 * genattr.c (main): Code to output prototype for
3621 dfa_clear_single_insn_cache.
3622 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3623 (output_dfa_clean_insn_cache_func): Code to output
3624 dfa_clear_single_insn_cache function.
3625 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3627 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3629 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3630 New static variables.
3631 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3632 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3634 (ebb_sched_info): Initialize new fields.
3635 (get_block_head_tail): Adjust all uses.
3636 (compute_jump_reg_dependencies): Fixed to use glat_start.
3637 (schedule_ebb): Code to remove unreachable last block.
3638 (schedule_ebbs): Added code to update register live information.
3639 * sched-rgn.c (region_sched_info): Initialize new fields.
3640 (get_block_head_tail): Adjust all uses.
3641 (last_was_jump): Removed. Adjust users.
3642 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3643 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3644 Implement new hooks.
3645 (check_dead_notes1): New static function.
3646 (struct region): New fields: dont_calc_deps, has_real_ebb.
3647 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3648 (BB_TO_BLOCK): Fixed to handle EBBs.
3649 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3650 (ebb_head): New static variable.
3651 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3652 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3654 (compute_dom_prob_ps): New assertion.
3655 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3656 global_live_at_start.
3657 (init_ready_list): New assertions.
3658 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3659 (new_ready): Add support for BEGIN_CONTROL speculation.
3660 (schedule_insns): Fixed code that updates register live information
3662 (schedule_region): Fixed to handle EBBs.
3663 (init_regions): Use extend_regions and check_dead_notes1.
3664 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3665 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3666 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3667 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3668 TARGET_SCHED_GEN_CHECK,
3669 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3670 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3671 * doc/invoke.texi (max-sched-insn-conflict-delay,
3672 sched-spec-prob-cutoff): Document.
3674 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3676 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3677 inter_tick, queue_index.
3678 (struct sched_info): Change signature of init_ready_list field.
3679 Adjust all initializations.
3680 (RESOLVED_DEPS): New access macro.
3681 (ready_add): Remove prototype.
3682 (try_ready): Add prototype.
3683 * sched-rgn.c (init_ready_list): Use try_ready.
3684 (schedule_region): Initialize
3685 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3686 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3687 (init_ready_list): Use try_ready.
3688 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3689 * lists.c (remove_list_elem): Remove `static'.
3690 (remove_free_INSN_LIST_elem): New function.
3691 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3692 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3693 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3695 (readyp): New variable.
3696 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3697 change_queue_index, resolve_dep): New static functions.
3698 (try_ready): New function. Adjust callers in sched-rgn.c and
3699 sched-ebb.c to use it instead of ready_add.
3700 (clock_var): Move at the begining of file.
3701 (rank_for_schedule): Fix typo.
3702 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3703 (ready_lastpos): Enforce assertion.
3704 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3706 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3707 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3708 (queue_to_ready): Use free_INSN_LIST_list.
3709 (early_queue_to_ready): Fix typo.
3710 (schedule_block): Init readyp. Move init_ready_list call after the
3711 initialization of clock_var. Fix error in rejecting insn by
3712 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3713 that previously corrected INSN_TICKs. Add code for handling
3715 (set_priorities): Fix typo.
3716 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3717 Clarify comment and code that keeps current_sched_info->next_tail
3720 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3722 * sched-rgn.c (extend_rgns): New static function.
3723 (find_rgns): Use it.
3724 (gather_region_statistics, print_region_statistics): New static
3726 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3727 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3729 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3730 Andrey Belevantsev <abel@ispras.ru>
3732 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3733 * lists.c (unused_deps_list): New variable.
3734 (free_list): Add assertions to verify the proper distinguishing
3735 between INSN_LISTs and DEPS_LISTs.
3736 (find_list_elem, remove_list_elem, remove_list_node): New static
3738 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3739 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3740 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3741 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3743 (free_INSN_LIST_node): Likewise.
3744 * modulo-sched.c (current_sched_info): Initialize flags field.
3745 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3746 * rtl.def (DEPS_LIST): Define.
3747 * rtl.h: Declare new functions from lists.c.
3748 * sched-deps.c (spec_dependency_cache): New static variable.
3749 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3750 (add_dependence): Change return type to void. Move the logic to ...
3751 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3752 (delete_all_dependences): Add comment about forward_dependency_cache.
3753 Handle spec_dependency_cache. Handle DEPS_LISTs.
3754 (fixup_sched_groups): Clarify the change of priority of output
3755 and anti dependencies.
3756 (sched_analyze_2): Adjust add_dependence calls to create data
3757 speculative dependence.
3758 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3759 Adjust all callers. Handle DEPS_LISTS.
3760 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3761 presence of speculation.
3762 (init_dependency_caches, free_dependency_caches):
3763 Handle spec_dependency_cache.
3764 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3765 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3766 New static functions.
3767 (add_or_update_back_dep, add_or_update_back_forw_dep,
3768 add_back_forw_dep, delete_back_forw_dep): New functions.
3769 * sched-int.h (ds_t, dw_t): New typedefs.
3770 (struct sched_info): Add new field flags.
3771 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3772 Prototype new sched-deps.c functions.
3773 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3774 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3775 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3776 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3777 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3778 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3780 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3782 * sched-rgn.c (current_sched_info): Initialize flags field.
3783 (schedule_insns): Initialize current_sched_info before the sched_init
3785 * sched-ebb.c (current_sched_info): Initialize flags field.
3786 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3787 Call add_or_update_back_dep instead of add_dependence.
3788 Create control speculative dependencies.
3789 (schedule_insns): Initialize current_sched_info before the sched_init
3792 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3794 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3796 (sh_fallback_frame_state): Likewise.
3798 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3800 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3801 Do switch on default_use_cxa_atexit.
3802 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3803 * config/darwin-crt3.o: New.
3804 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3805 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3806 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3808 * config/rs6000/t-darwin: Move crt2.o building to here.
3809 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3810 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3813 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3815 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3816 from '! xxx' to '!xxx' for coding-style conformance.
3817 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3818 (EXTRA_CONSTRAINT): Likewise.
3819 * config/vax/vax.md (four unnamed insns): Likewise.
3821 2006-03-15 Paul Brook <paul@codesourcery.com>
3823 * config/arm/arm.c (minipool_pad): New.
3824 (add_minipool_forward_ref): Include pool alignment padding in address
3826 (push_minipool_fix): Set minipool_pad.
3827 (minipool_pad): Ditto.
3829 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3831 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3832 instead of GET_CODE() == MEM and REG_P() instead of
3834 (print_operand_address): Likewise.
3835 (vax_address_cost): Likewise.
3836 (vax_rtx_costs): Likewise.
3837 (vax_notice_update_cc): Likewise.
3838 (vax_output_int_add): Likewise.
3839 (INDEX_REGISTER_P): Likewise.
3840 (BASE_REGISTER_P): Likewise.
3841 (nonindexed_address_p): Likewise.
3842 (vax_mode_dependent_address_p): Likewise.
3843 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3844 (PRINT_OPERAND): Likewise.
3845 * config/vax/vax.md (ashlsi3): Likewise.
3846 (ashlsi3): Likewise.
3847 (some more unnamed insns): Likewise.
3849 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3851 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3852 iterator-style macro.
3853 (mark_control_dependent_edges_necessary): Update the use of
3854 EXECUTE_IF_CONTROL_DEPENDENT.
3856 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3858 * config/sh/predicates.md (cache_address_operand): Special.
3859 (ua_address_operand): Likewise.
3861 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3863 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3865 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3867 2006-03-15 Andreas Schwab <schwab@suse.de>
3869 * gensupport.c (identify_predicable_attribute): Don't free p_false
3870 when it is still in use.
3872 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3874 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3875 the default setting here.
3877 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3879 * tree-pass.h (pass_cfg): Remove.
3880 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3881 * passes.c (pass_cfg): Don't run it.
3883 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3885 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3886 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3888 (stack_regs_mentioned): Update the uses of
3889 stack_regs_mentioned_data. Don't access the array beyond its
3891 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3892 Don't include gt-reg-stack.h.
3894 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3895 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3897 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3900 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3903 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3905 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3907 2006-03-14 Richard Guenther <rguenther@suse.de>
3909 PR tree-optimization/26672
3910 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3913 2006-03-14 Richard Guenther <rguenther@suse.de>
3915 PR tree-optimization/26667
3916 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3917 node for the callees. Always allow inlining if it will shrink
3920 2006-03-14 Richard Guenther <rguenther@suse.de>
3923 * builtins.c (get_pointer_alignment): Prefer alignment
3924 information from decls over that from types.
3926 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3929 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3931 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3933 * config/rs6000/rs6000.opt (mdlmzb): New option.
3934 (msched-prolog, msched-epilog): Use Var not Mask.
3935 * doc/invoke.texi (-mdlmzb): Document.
3936 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3938 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3939 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3941 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3943 PR rtl-optimization/25739
3944 * bt-load.c (augment_live_range): Free tos pointer.
3946 * gensupport.c (identify_predicable_attribute): Free
3948 * gcov.c (create_file_names): Free name pointer.
3950 2006-03-13 Roger Sayle <roger@eyesopen.com>
3953 * stmt.c (emit_case_nodes): Handle the case where the index is a
3954 CONST_INT, where the comparison mode is specified by the index type.
3956 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3958 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3961 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3963 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3964 (*branch_fp_inverted): Likewise.
3966 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3969 * omp-low.c (expand_omp_for_generic): Mark istart0
3970 and iend0 as addressable.
3972 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3974 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3976 2006-03-13 Jeff Law <law@redhat.com>
3978 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3979 virtual operands are interesting.
3980 (vrp_visit_stmt): Corresponding changes.
3982 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3984 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3986 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3987 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3988 * config/bfin/crti.S: Use it instead of __PIC__.
3989 * config/bfin/crtn.S: Likewise.
3991 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3992 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3994 Lose 'G' modifier for call operand.
3995 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3996 recognize 'G' modifier.
3998 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4001 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4002 * stmt.c (expand_case): Likewise.
4004 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4006 PR rtl-optimization/26254
4007 * loop-invariant.c (seq_insns_valid_p): New function.
4008 (move_invariant_reg): Only emit new code if it is valid.
4010 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4012 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
4014 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
4015 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
4016 (commit_one_edge_insertion): Do not look for loop notes.
4018 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4020 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4021 flag_test_coverage out of loop.
4023 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4025 * final.c (shorten_branches): Remove outdated comment, and turn
4026 the if branch that guards it to continue.
4028 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4030 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4031 * cfgloop.h (struct loop): Remove unused fields.
4033 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4035 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4036 (-dL, -fdump-rtl-loop2): Update the dump file names
4038 * doc/invoke.texi: Update dump file names.
4040 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4042 * predict.c (estimate_probability): Remove.
4043 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4044 * basic-block.h (estimate_probability): Remove prototype.
4045 * passes.c (finish_optimization_passes): Dump branch prediction or
4046 profiling heuristics to the .profile tree dump.
4047 (init_optimization_passes): Unqueue pass_branch_prob.
4049 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4051 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4053 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4054 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4056 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4058 * function.h (frame_offset_overflow): Declare.
4059 * function.c (frame_offset_overflow): New function.
4060 (assign_stack_local_1): Call it to detect that the offset overflows.
4061 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4063 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4065 * config/sh/sh.c: Include alloc-pool.h.
4066 (label_ref_list_pool): New alloc pool.
4067 (label_ref_list_t): New type for lists of labels.
4068 (struct pool_node): Make wend a label_ref_list_t.
4069 (add_constant): Use the new type, eradicate LABEL_NEXTREF
4071 (dump_table): Likewise.
4072 (sh_reorg): Set up the alloc pool before using add_constant and
4073 dump_table, and destroy it when finishing.
4075 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4077 * config/mips/mips.c: Remove redundant comment.
4079 2006-03-10 Jason Merrill <jason@redhat.com>
4082 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4083 the target was declared 'register'.
4085 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4087 * genpreds.c (write_insn_constraint_len): Change definition of
4088 insn_constraint_len to return size_t to match the declaration.
4090 2006-03-10 DJ Delorie <dj@redhat.com>
4092 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4094 (m32c_expand_insv): Fix test for an AND mask.
4096 2006-03-10 Richard Guenther <rguenther@suse.de>
4099 * builtins.c (get_pointer_alignment): Handle component
4100 references for field alignment.
4102 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4104 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4105 when building with libgloss.
4106 (sh*elf): Implement --without-fp option.
4107 (sh64-superh-linux*): Don't multilib.
4109 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4111 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4113 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4115 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4116 Set it when one of the replacement functions returned true.
4117 Return TODO_cleanup_cfg if cfgchanged is true.
4118 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4120 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4122 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4123 instead of gen_lowpart.
4125 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4127 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4129 (mips_output_order_conditional_branch): Declare.
4130 * config/mips/mips.h (MIPS_BRANCH): New macro.
4131 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4132 for the comparison. Use gen_condjump.
4133 (mips_output_conditional_branch): Rework interface to take the
4134 asm templates for a direct branch and the inverse of a direct branch.
4135 (mips_output_order_conditional_branch): New function.
4136 (mips_builtin_branch_and_move): New function.
4137 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4138 branch condition. Use gen_single_cc as the condition for
4139 __builtin_mips_upper_* or __builtin_mips_lower_*.
4140 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4141 Use VOIDmode for the branch condition.
4142 * config/mips/predicates.md (order_operator): New predicate.
4143 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4144 (branch_fp): Rename to...
4145 (*branch_fp): ...this. Remove mode from comparison operator.
4146 Use new mips_output_conditional_branch interface.
4147 (branch_fp_inverted): Rename to...
4148 (*branch_fp_inverted): ...this and update as for *branch_fp.
4149 (*branch_zero<mode>): Rename to...
4150 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4151 Use mips_output_order_conditional_branch. Only accept ordered
4153 (*branch_zero<mode>_inverted): Rename to...
4154 (*branch_order<mode>_inverted): ...this and update as for
4155 *branch_order<mode>.
4156 (*branch_equality<mode>): Accept zero as the second operand to
4157 the equality operator. Use the new mips_output_conditional_branch
4159 (*branch_equality<mode>_inverted): Likewise.
4160 (condjump): New expander.
4161 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
4163 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
4164 (bc1any2t, bc1any2f): Likewise.
4165 (single_cc): New expander.
4166 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4168 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4170 * doc/md.texi: Update documentation of MIPS constraints.
4171 * config/mips/constraints.md: New file.
4172 * config/mips/mips.md: Include it.
4173 * config/mips/mips.c (mips_char_to_class): Delete.
4174 (override_options): Don't initialize mips_char_to_class.
4175 * config/mips/mips.h (mips_char_to_class): Delete.
4176 (REG_CLASS_FROM_LETTER): Delete.
4177 (CONST_OK_FOR_LETTER_P): Delete.
4178 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4179 (EXTRA_CONSTRAINT_Y): Delete.
4180 (EXTRA_CONSTRAINT_STR): Delete.
4181 (CONSTRAINT_LEN): Delete.
4182 (EXTRA_MEMORY_CONSTRAINT): Delete.
4184 2006-03-09 Diego Novillo <dnovillo@redhat.com>
4186 * tree-cfg.c (move_block_to_fn): Remove the statements from the
4187 original fn's eh regions.
4189 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
4191 * fold-const.c (build_range_check): Make sure to use a valid type to
4192 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
4195 (range_predecessor): New static function.
4196 (range_successor): Likewise.
4197 (merge_ranges): Use them to compute predecessors and successors of
4200 2006-03-09 Roger Sayle <roger@eyesopen.com>
4203 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
4204 X op C3, consider whether C3 overflows towards +Inf or -Inf.
4206 2006-03-08 DJ Delorie <dj@redhat.com>
4208 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4209 (addpsi3): Expand to include memory operands. Remove
4210 reload-specific splits.
4211 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4212 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4213 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4214 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4215 (shift1_qi, shift1_hi, insv): New.
4216 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4217 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4218 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4220 * config/m32c/m32c-protos.h: Update as needed.
4221 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4222 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4223 Fail for unrecognized R* constraints.
4224 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4225 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4226 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4228 (m32c_init_libfuncs): New.
4229 (m32c_legitimate_address_p): Add debug wrapper.
4230 (m32c_rtx_costs): New.
4231 (m32c_address_cost): New.
4232 (conversions): Add 'B' prefix.
4233 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4234 operands, or word regnames for QI operands. 'B' prints bit
4236 (m32c_expand_setmemhi): New.
4237 (m32c_expand_movmemhi): New.
4238 (m32c_expand_movstr): New.
4239 (m32c_expand_cmpstr): New.
4240 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4241 (m32c_expand_neg_mulpsi3): Handle non-ints.
4242 (m32c_cmp_flg_0): New.
4243 (m32c_expand_movcc): New.
4244 (m32c_expand_insv): New.
4245 (m32c_scc_pattern): New.
4246 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4247 a0/a1 out of SIregs.
4248 (STORE_FLAG_VALUE): New.
4249 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4252 * config/m32c/mov.md: Make constraints more liberal.
4253 (zero_extendqihi2): Optimize r0/r1 case.
4254 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4255 * config/m32c/predicates.md (m32c_any_operand): New.
4256 (m32c_nonimmediate_operand): New.
4257 (m32c_hl_operand): New.
4258 (m32c_r3_operand): New.
4261 (memsym_operand): New.
4262 (memimmed_operand): New.
4263 (a_qi_operand): New.
4264 (m32c_eqne_operator): New.
4265 (m32c_1bit8_operand): New.
4266 (m32c_1bit16_operand): New.
4267 (m32c_1mask8_operand): New.
4268 (m32c_1mask16_operand): New.
4269 * config/m32c/blkmov.md: New file.
4270 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4272 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4274 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4275 unsigned to fix signed/unsigned comparison issue in
4276 DWARF2_FRAME_REG_OUT.
4277 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4278 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4280 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4281 of ptr into the ENABLE_CHECKING section.
4283 2006-03-08 Jeff Law <law@redhat.com>
4285 * tree-vrp.c (infer_value_range): Only count pointer uses
4286 and dereferences if -fdelete-null-pointer-checks is enabled.
4288 * tree-vrp.c (find_assert_locations): Infer value ranges for
4289 single use pointers, but do not create ASSERT_EXPRs for them.
4290 When a non-null range is inferred for a pointer, backwards
4291 propagate that range to other equivalent pointers through the
4294 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4297 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4298 language hook targets.
4299 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4300 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4301 if language hook targets were missing.
4303 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4305 * tree-ssa-opfinalize.h: Removed.
4306 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4308 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4309 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4310 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4311 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4312 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4313 finalize_ssa_v_must_def_ops): New.
4315 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4317 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4320 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4322 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4324 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4325 addresses with offsets; reorganize.
4327 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4328 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4329 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4331 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4334 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4336 2006-03-08 Ben Elliston <bje@au.ibm.com>
4338 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4340 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4343 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4346 2006-03-07 Richard Guenther <rguenther@suse.de>
4348 PR tree-optimization/26587
4349 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4351 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4353 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4355 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4357 * hooks.c (hook_bool_mode_rtx_true): New function.
4358 * hooks.h (hook_bool_mode_rtx_true): Declare.
4359 * toplev.c (compile_file): Call output_shared_constant_pool.
4360 * varasm.c (shared_constant_pool): New variable.
4361 (assemble_start_function, assemble_end_function): Remove arguments
4362 from call to output_constant_pool.
4363 (create_constant_pool): New function, split out from...
4364 (init_varasm_status): ...here.
4365 (force_const_mem): Choose between the shared and per-function constant
4366 pools. Set current_function_uses_const_pool when reusing old entries
4367 as well as when creating new ones.
4368 (mark_constant): Ignore data argument.
4369 (mark_constants): Remove pool argument.
4370 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4371 to decide whether the function uses a constant pool.
4372 (output_constant_pool_contents): New function, split out from...
4373 (output_constant_pool): ...here.
4374 (output_shared_constant_pool): New function.
4375 (init_varasm_once): Initialize shared_constant_pool.
4376 * output.h (output_constant_pool): Delete.
4377 (output_shared_constant_pool): Declare.
4378 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4379 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4381 2006-03-06 Nick Clifton <nickc@redhat.com>
4383 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4384 flag_strength_reduce.
4386 2006-03-06 Ben Elliston <bje@au.ibm.com>
4388 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4389 x86_64-*-linux* configurations.
4391 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4392 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4394 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4396 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4398 * basic-block.h: Remove the extern for
4399 rediscover_loops_after_threading.
4401 * cfgloop.c (cancel_loop): Make it static.
4402 * cfgloop.h: Remove the prototype for cancel_loop.
4404 * flow.c (recompute_reg_usage): Make it static.
4405 * rtl.h: Remove the prototype for recompute_reg_usage.
4407 * function.c (use_return_register): Make it static.
4408 * function.h: Remove the prototype.
4410 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4412 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4414 * recog.h: Remove the prototype for
4415 validate_change_maybe_volatile.
4417 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4419 * rtlanal.c (replace_reg): Remove.
4420 * rtl.h: Remove the prototype for replace_reg.
4422 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4424 * regclass.c (reg_scan_update): Remove.
4425 (reg_scan_mark_refs): Remove the last argument.
4426 * rtl.h: Remove the prototype for reg_scan_update.
4428 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4430 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4431 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4432 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4433 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4434 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4435 loop-invariant.c, omp-low.c, opts.c, passes.c,
4436 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4437 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4438 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4439 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4440 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4441 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4443 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4445 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4446 * dwarf2out.h: Remove the prototype for
4447 dwarf2out_add_library_unit_info.
4449 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4451 * tree.c (add_var_to_bind_expr): Remove.
4452 * tree.h: Remove the prototype for add_var_to_bind_expr.
4454 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4456 * regclass.c (n_non_fixed_regs): Remove.
4457 (init_reg_sets_1, globalize_reg): Remove all uses of
4459 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4461 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4463 * rtlanal.c (insns_safe_to_move_p): Remove.
4464 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4466 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4468 * expmed.c (expand_mult_add): Remove.
4469 * expr.h: Remove the prototype for expand_mult_add.
4471 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4473 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4474 and REG_SAVED_VAL_EXP constants.
4475 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4476 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4477 Handle regs stored by value.
4478 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4479 (execute_cfa_program): Handle DW_CFA_val_offset,
4480 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4481 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4482 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4483 (uw_install_context_1): Handle target regs stored by value.
4485 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4487 * tree-sra.c (tree_sra): Return todoflags;
4488 (generate_one_element): Set TODO_update_smt_usage if needed.
4489 (pass_sra): Remove TODO_update_smt_usage.
4490 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4492 (tree_ssa_forward_propagate_single_use_vars): Return
4493 TODO_update_smt_usage if we need to update SMT usage.
4494 (pass_forwprop): Remove TODO_update_smt_usage.
4496 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4498 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4499 (correct_use_link): Remove reference to get_stmt_operands.
4500 (update_stmt_operands): Likewise.
4501 (get_modify_expr_operands): New function factored out of
4502 parse_ssa_operands and get_expr_operands.
4503 Try to create V_MUST_DEFs for LHS by default.
4504 (get_expr_operands) <case MODIFY_EXPR>: Call
4505 get_modify_expr_operands.
4506 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4507 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4508 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4509 get_modify_expr_operands.
4511 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4513 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4514 * tree-flow.h: Remove the prototype for
4515 referenced_var_lookup_if_exists.
4517 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4519 PR rtl-optimization/26345
4521 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4523 2006-03-03 Roger Sayle <roger@eyesopen.com>
4525 PR tree-optimization/26524
4526 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4527 fold_convert to create a constant of the appropriate type.
4529 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4531 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4532 SYMBOL_REF_IN_BLOCK_P.
4533 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4534 of SYMBOL_FLAG_IN_BLOCK.
4535 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4536 instead of SYMBOL_REF_IN_BLOCK_P.
4537 * explow.c (use_anchored_address): Likewise.
4538 * rtl.c (rtx_size): Likewise.
4539 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4540 instead of SYMBOL_FLAG_IN_BLOCK.
4541 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4542 SYMBOL_REF_IN_BLOCK_P.
4543 (assemble_variable): Likewise.
4544 (output_constant_def_contents): Likewise.
4545 (output_constant_pool): Likewise.
4546 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4547 instead of SYMBOL_FLAG_IN_BLOCK.
4548 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4549 SYMBOL_REF_IN_BLOCK_P.
4550 (SYMBOL_REF_BLOCK): Likewise.
4551 (SYMBOL_REF_OFFSET): Likewise.
4552 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4553 SYMBOL_REF_IN_BLOCK_P.
4554 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4555 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4556 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4557 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4559 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4561 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4563 2006-03-02 Roger Sayle <roger@eyesopen.com>
4565 * simplify-rtx.c (simplify_unary_operation): When simplifying
4566 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4567 that we perform the right shift in the appropriate mode, and
4568 then extend or truncate the result to requested mode.
4570 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4572 * gengtype.c (main): Handle double_int type.
4573 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4574 * double-int.c: New file.
4575 * double-int.h: New file.
4576 * system.h: Include doubleint.h.
4577 * Makefile.in (SYSTEM_H): Include double-int.h.
4578 (double-int.o): Add.
4580 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4583 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4586 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4588 * tree-vrp.c (remove_range_assertions): Do not update statements
4591 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4593 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4595 * gcse.c (rest_of_handle_gcse): Ditto.
4596 * except.c (gate_handle_eh): Ditto.
4597 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4598 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4600 2006-03-02 Eric Christopher <echristo@apple.com>
4602 * config/i386/i386.c (machopic_output_stub): Add indirection to
4605 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4609 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4611 Sun Niagara specific optimizations.
4612 * config.gcc: Recognize niagara as target.
4613 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4614 (TARGET_CPU_niagara): Define.
4615 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4616 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4617 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4618 (ASM_CPU_SPEC): Likewise.
4619 (PROCESSOR_NIAGARA): New enum entry.
4620 (REGISTER_MOVE_COST): Handle Niagara.
4621 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4622 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4623 (sparc_override_options): Recognize "niagara", set appropriate
4624 default MASK_* values for it, and align functions to 32-bytes
4625 by default just like ULTRASPARC/ULTRASPARC3.
4626 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4627 (sparc64_initialize_trampoline): Likewise.
4628 (sparc_use_sched_lookahead): Use zero for niagara.
4629 (sparc_issue_rate): Use one for niagara.
4630 * config/sparc/niagara.md: New file.
4631 * config/sparc/sparc.md: Include it.
4632 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4633 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4634 when default cpu is niagara.
4635 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4636 (ASM_CPU_SPEC): Likewise.
4637 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4638 when default cpu is niagara.
4639 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4640 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4641 just like v9/ultrasparc/ultrasparc3.
4642 * doc/invoke.texi: Add documentation for "niagara" and improve
4643 existing documentation for ultrasparc variants.
4645 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4647 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4649 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4651 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4652 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4653 and say that only one is needed.
4654 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4655 * target.h (have_switchable_bss_sections): New hook.
4656 * explow.c (use_anchored_address): Check that the symbol is in a block.
4657 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4658 (bss_noswitch_section): New variables.
4659 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4660 (get_noswitch_section): New function.
4661 (get_block_for_section): Allow SECT to be null.
4662 (unlikely_text_section_p): Use SECTION_STYLE.
4663 (bss_initializer_p): New function.
4664 (get_variable_section): Move earlier in file. Take a new argument,
4665 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4666 Return one of the new *_sections in such cases.
4667 (get_block_for_decl): New function, extracting some logic from
4668 use_blocks_for_decl_p.
4669 (change_symbol_section): Remove in favor of...
4670 (change_symbol_block): ...this new function.
4671 (use_blocks_for_decl_p): Remove checks now performed by
4673 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4674 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4675 (emit_local, emit_bss, emit_common): ...these new functions.
4676 Return true if the alignment was honored.
4677 (emit_tls_common): New function.
4678 (asm_emit_uninitialised): Delete.
4679 (assemble_variable_noswitch): New function, split out from...
4680 (assemble_variable): ...here. Don't make decisions about common
4681 variables here. Globalize all public decls that go into non-common
4682 sections. Check whether SYMBOL_REF_BLOCK is null.
4683 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4684 (output_constant_pool): Likewise.
4685 (init_varasm_once): Initialize the new section variables.
4686 (have_global_bss_p): New function.
4687 (categorize_decl_for_section): Use bss_initializer_p.
4688 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4689 (place_block_symbol): Assert that the symbol must be in a block.
4690 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4691 (TARGET_INITIALIZER): Include it.
4692 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4693 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4694 (SECTION_MACH_DEP): Bump by two.
4695 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4696 (unnamed_section): Mention SECTION_UNNAMED in comment.
4697 (named_section): Likewise SECTION_NAMED.
4698 (noswitch_section_callback): New type.
4699 (noswitch_section): New structure.
4700 (section): Add a noswitch_section alternative.
4701 (SECTION_STYLE): New macro.
4702 (tls_comm_section, comm_section, lcomm_section): Declare.
4703 (bss_noswitch_section, have_global_bss_p): Declare.
4704 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4705 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4707 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4708 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4711 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4713 * gcc/tree-vrp.c (execute_vrp): Return value.
4714 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4715 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4716 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4717 (tree_lower_complex_O0): Ditto.
4718 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4719 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4720 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4721 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4722 (execute_tail_calls): Ditto.
4723 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4724 * gcc/tree.h (init_function_for_compilation): Ditto.
4725 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4726 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4727 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4728 * gcc/final.c (compute_alignments): Ditto.
4729 (rest_of_handle_final): Ditto.
4730 (rest_of_handle_shorten_branches): Ditto.
4731 (rest_of_clean_state): Ditto.
4732 * gcc/omp-low.c (execute_expand_omp): Ditto.
4733 (execute_lower_omp): Ditto.
4734 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4735 * gcc/ipa-reference.c (static_execute): Ditto.
4736 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4737 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4738 (rest_of_handle_machine_reorg): Ditto.
4739 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4740 * gcc/flow.c (recompute_reg_usage): Ditto.
4741 (rest_of_handle_remove_death_notes): Ditto.
4742 (rest_of_handle_life): Ditto.
4743 (rest_of_handle_flow2): Ditto.
4744 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4745 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4746 (do_ssa_store_ccp): Ditto.
4747 (execute_fold_all_builtins): Ditto.
4748 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4749 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4750 * gcc/ipa-pure-const.c (static_execute): Ditto.
4751 * gcc/cse.c (rest_of_handle_cse): Ditto.
4752 (rest_of_handle_cse2): Ditto.
4753 * gcc/web.c (rest_of_handle_web): Ditto.
4754 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4755 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4756 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4757 * gcc/tree-nrv.c (tree_nrv): Ditto.
4758 (execute_return_slot_opt): Ditto.
4759 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4760 (create_structure_vars): Ditto.
4761 * gcc/loop-init.c (rtl_loop_init): Ditto.
4762 (rtl_loop_done): Ditto.
4763 (rtl_move_loop_invariants): Ditto.
4764 (rtl_unswitch): Ditto.
4765 (rtl_unroll_and_peel_loops): Ditto.
4766 (rtl_doloop): Ditto.
4767 * gcc/gimple-low.c (lower_function_body): Ditto.
4768 (mark_used_blocks): Ditto.
4769 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4770 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4771 (cgraph_early_inlining): Ditto.
4772 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4773 * gcc/jump.c (cleanup_barriers): Ditto.
4774 (purge_line_number_notes): Ditto.
4775 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4776 (rest_of_handle_if_after_reload): Ditto.
4777 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4778 (tree_ssa_loop_im): Ditto.
4779 (tree_ssa_loop_unswitch): Ditto.
4780 (tree_vectorize): Ditto.
4781 (tree_linear_transform): Ditto.
4782 (tree_ssa_loop_ivcanon): Ditto.
4783 (tree_ssa_empty_loop): Ditto.
4784 (tree_ssa_loop_bounds): Ditto.
4785 (tree_complete_unroll): Ditto.
4786 (tree_ssa_loop_prefetch): Ditto.
4787 (tree_ssa_loop_ivopts): Ditto.
4788 (tree_ssa_loop_done): Ditto.
4789 * gcc/predict.c (tree_estimate_probability): Ditto.
4790 * gcc/recog.c (split_all_insns_noflow): Ditto.
4791 (rest_of_handle_peephole2): Ditto.
4792 (rest_of_handle_split_all_insns): Ditto.
4793 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4794 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4795 (rest_of_handle_stack_adjustments): Ditto.
4796 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4797 * gcc/function.c (instantiate_virtual_regs): Ditto.
4798 (init_function_for_compilation): Ditto.
4799 (rest_of_handle_check_leaf_regs): Ditto.
4800 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4801 (rest_of_handle_gcse): Ditto.
4802 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4803 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4804 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4805 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4806 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4807 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4808 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4809 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4810 * gcc/except.c (set_nothrow_function_flags): Ditto.
4811 (convert_to_eh_region_ranges): Ditto.
4812 (rest_of_handle_eh): Ditto.
4813 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4814 (remove_unnecessary_notes): Ditto.
4815 * gcc/except.h (set_nothrow_function_flags): Ditto.
4816 (convert_to_eh_region_ranges): Ditto.
4817 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4818 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4819 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4820 (execute_fre): Ditto.
4821 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4822 (rest_of_handle_jump2): Ditto.
4823 * gcc/tree-sra.c (tree_sra): Ditto.
4824 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4825 (execute_mudflap_function_decls): Ditto.
4826 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4827 (do_store_copy_prop): Ditto.
4828 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4829 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4830 * gcc/tree-ssa-forwprop.c
4831 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4832 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4833 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4834 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4835 (execute_late_warn_uninitialized): Ditto.
4836 * gcc/rtl.h (cleanup_barriers): Ditto.
4837 (split_all_insns_noflow): Ditto.
4838 (purge_line_number_notes): Ditto.
4839 (unshare_all_rtl): Ditto.
4840 (remove_unnecessary_notes): Ditto.
4841 (recompute_reg_usage): Ditto.
4842 (variable_tracking_main): Ditto.
4843 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4844 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4845 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4846 (execute_free_cfg_annotations): Ditto.
4847 (execute_fixup_cfg): Ditto.
4848 (execute_cleanup_cfg_pre_ipa): Ditto.
4849 (execute_cleanup_cfg_post_optimizing): Ditto.
4850 (execute_init_datastructures): Ditto.
4851 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4852 * gcc/combine.c (rest_of_handle_combine): Ditto.
4853 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4854 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4855 (rest_of_handle_reorder_blocks): Ditto.
4856 (rest_of_handle_partition_blocks): Ditto.
4857 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4858 * gcc/tree-profile.c (tree_profiling): Ditto.
4859 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4860 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4861 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4862 (rest_of_handle_sched2): Ditto.
4863 * gcc/basic-block.h (free_bb_insn): Ditto.
4864 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4865 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4866 (remove_useless_stmts): Ditto.
4867 (split_critical_edges): Ditto.
4868 (execute_warn_function_return): Ditto.
4869 (execute_warn_function_noreturn): Ditto.
4870 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4871 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4872 * gcc/passes.c (execute_one_pass): Run additional
4873 todos returned by execute function.
4874 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4877 2006-03-02 Richard Guenther <rguenther@suse.de>
4879 * tree-ssa-alias.c (find_used_portions): Consider taking
4880 the address as making the variable not write-only.
4882 2006-03-02 Nick Clifton <nickc@redhat.com>
4884 * config.gcc (default_use_cxa_atexit): Extend the description of
4885 this configure variable. Set its default value to "yes" for
4886 Linux, NetBSD and ELF targets on the assumption that they will
4887 use C libraries with the __cxa_atexit function.
4889 2006-03-02 Ben Elliston <bje@au.ibm.com>
4891 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4892 parameter as unused to suppress a build warning.
4894 2006-03-02 Ben Elliston <bje@au.ibm.com>
4896 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4899 2006-03-01 Roger Sayle <roger@eyesopen.com>
4902 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4903 declared name, the weak reference name, and the typeof name.
4904 (__gthrw): Avoid expanding the declared name suffix.
4905 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4907 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4909 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4911 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4912 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4913 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4914 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4915 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4916 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4917 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4918 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4919 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4920 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4921 (DW_END_default, DW_END_big, DW_END_little): New.
4922 (DW_END_lo_user, DW_END_hi_user): Define.
4923 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4924 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4925 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4928 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4930 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4932 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4934 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4936 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4938 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4939 to 'symbol_mem_tag'.
4941 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4944 2006-03-01 Roger Sayle <roger@eyesopen.com>
4946 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4948 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4951 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4952 MACHO_DYNAMIC_NO_PIC_P.
4953 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4955 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4958 * config/darwin-protos.h (darwin_asm_output_anchor):
4960 * config/darwin-sections.def (cstring_section):
4961 Add SECTION_MERGE to the flags.
4962 (literal4_section): Likewise.
4963 (literal8_section): Likewise.
4964 (objc_selector_refs_section): Likewise.
4965 (objc_cls_refs_section): Likewise.
4966 * config/darwin.c (darwin_asm_output_anchor): New
4968 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4970 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4972 Fix PR tree-optimization/26443
4973 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4974 to todo and PROP_tmt_usage to properties_destroyed.
4975 * tree-ssa-ccp.c (pass_ccp): Ditto.
4976 (pass_store_ccp): Ditto.
4977 * tree-ssa-dom.c (pass_dominator): Ditto.
4979 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4981 * tree-ssa-operands.c: Cleanup whitespace.
4982 (get_asm_expr_operands): Move before first invocation.
4983 (get_indirect_ref_operands): Likewise.
4984 (get_tmr_operands): Likewise.
4985 (get_call_expr_operands): Likewise.
4986 (append_def): Likewise.
4987 (append_use): Likewise.
4988 (append_v_may_def): Likewise.
4989 (append_v_must_def): Likewise.
4990 (add_call_clobber_ops): Likewise.
4991 (add_call_read_ops): Likewise.
4992 (add_stmt_operand): Likewise.
4993 (add_virtual_operand): Likewise.
4994 (build_ssa_operands): Likewise.
4996 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5001 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5002 with a call expr to ...
5003 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5005 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5007 * tree-vrp.c (extract_range_from_assert): Remove special
5008 handling for types with super-types.
5010 2006-03-01 Ben Elliston <bje@au.ibm.com>
5012 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
5013 and powerpc64-*-linux* configurations.
5014 * config/t-dfprules: New file.
5016 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
5017 Compile dfp-bit.c from the source directory using -DWIDTH and
5018 $DFP_CFLAGS to control the compilation of that file, rather than
5019 generating width-specific versions in the build directory.
5020 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5021 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5023 2006-02-28 Zack Weinberg <zackw@panix.com>
5025 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5028 2006-02-28 Eric Christopher <echristo@apple.com>
5030 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5031 Set up IN_LIBGCC definition of TARGET_64BIT.
5032 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5034 2006-02-28 Roger Sayle <roger@eyesopen.com>
5037 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5038 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5039 cases via the construction of "expr != 0".
5041 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5043 * alias.c (alias_invariant, alias_invariant_size): Remove.
5044 (record_base_value): Remove.
5045 (memrefs_conflict_p): Don't look at alias_invariant.
5046 (end_alias_analysis): Don't free it.
5047 * alias.h (record_base_value): Remove prototype.
5049 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5050 Adam Nemet <anemet@caviumnetworks.com>
5052 * rtl.h (truncated_to_mode): Declare it.
5053 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5054 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5055 (RTL_HOOKS_INITIALIZER): Include it.
5056 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5057 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5058 reg_truncated_to_mode.
5059 * rtlanal.c (truncated_to_mode): Define it.
5060 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5062 2006-02-28 Jeff Law <law@redhat.com>
5064 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
5065 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5066 the range allowed by TYPE_PRECISION.
5068 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
5070 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
5072 PR tree-optimization/26419
5073 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
5076 2006-02-27 Zack Weinberg <zackw@panix.com>
5078 * doc/md.texi: Fix typo in previous change.
5080 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5084 2006-02-27 Zack Weinberg <zackw@panix.com>
5086 * rtl.def (define_constraint, define_register_constraint)
5087 (define_memory_constraint, define_address_constraint): New MD forms.
5088 * gensupport.c (process_rtx): Put define_constraint etc on the
5090 * genpreds.c (process_define_predicate): Adjust comment. Validate
5091 the name, and call validate_exp to validate the expression.
5092 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5093 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5094 all callers changed.
5095 (validate_exp, needs_variable, struct constraint_data)
5096 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5097 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5098 (const_dbl_constraints, constraint_max_namelen)
5099 (have_register_constraints, have_memory_constraints)
5100 (have_address_constraints, have_address_constraints)
5101 (have_extra_constraints, have_const_int_constraints)
5102 (have_const_dbl_constraints, mangle, add_constraint)
5103 (process_define_constraint, process_define_register_constraint)
5104 (write_enum_constraint_num, write_lookup_constraint)
5105 (write_insn_constraint_len, write_regclass_for_constraint)
5106 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5107 (write_insn_extra_memory_constraint)
5108 (write_insn_extra_address_constraint)
5109 (write_satisfies_constraint_fns): New.
5110 (write_tm_preds_h): If we have new-style constraint definitions,
5111 prototype the functions generated from them, and define the
5112 old constraint interface (still used by generic code) in terms of
5114 (write_insn_preds_c): If we have new-style constraint definitions,
5115 generate all relevant functions from those definitions.
5116 (main): Handle define_constraint etc.
5117 * genoutput.c (struct constraint_data, indep_constraints)
5118 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5119 (mdep_constraint_len): New data structures and functions, defined
5120 #ifdef USE_MD_CONSTRAINTS.
5121 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5122 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5123 use new logic to validate operand constraints against constraint
5125 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5127 * defaults.h: If none of the old-style constraint macros are
5128 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5129 old-style macros; and poison REG_CLASS_FROM_LETTER,
5130 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5132 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5133 * doc/md.texi: Document new constraint-definition mechanism and the
5134 C interface it provides. Remove references to old mechanism
5135 elsewhere in the document.
5136 (Machine Constraints): Use pathnames relative to gcc directory,
5137 i.e. config/ARCH/FILE. Change i386 section to refer to
5138 config/i386/predicates.md; update that section to match docstrings.
5139 * doc/tm.texi: Move all documentation of the old constraint-
5140 definition macros to their own section, clearly mark as obsolete.
5142 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5143 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5145 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5146 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5147 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5149 (splits and peepholes): Use satisfies_constraint_*.
5150 * config/i386/i386.c (memory_address_length)
5151 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5153 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5155 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5156 scalar operation to be put back into the loop.
5158 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5161 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5162 (extract_cie_info): Handle S flag in augmentation string.
5163 (execute_cfa_program): If context->signal_frame, execute also
5164 fs->pc == context->ra instructions.
5165 (uw_frame_state_for): If context->signal_frame, don't subtract one
5166 from context->ra to find FDE.
5167 (uw_update_context_1): Set context->signal_frame to
5169 (_Unwind_GetIPInfo): New function.
5170 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5171 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5173 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5174 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
5175 * unwind-compat.c (_Unwind_GetIPInfo): New function.
5176 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
5177 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
5178 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
5179 * config/i386/linux-unwind.h (x86_fallback_frame_state,
5180 x86_64_fallback_frame_state): Set fs->signal_frame.
5181 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
5182 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
5183 (frob_update_context): Likewise. Workaround missing S flag in
5184 Linux 2.6.12 - 2.6.16 kernel vDSOs.
5185 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
5186 Remove the psw_addr + 1 hack.
5188 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5190 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
5191 with aggregates here.
5192 (find_func_aliases): Remove code for &<aggregate> from here.
5194 2006-02-26 Roger Sayle <roger@eyesopen.com>
5196 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
5197 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
5198 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
5201 2006-02-26 Roger Sayle <roger@eyesopen.com>
5204 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
5206 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
5208 * opts.c (decode_options): Do not handle flag_strength_reduce.
5209 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
5210 and OPT_fstrength_reduce.
5211 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5212 flag_prefetch_loop_arrays for being nonzero.
5213 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5215 (fprefetch-loop-arrays-rtl): Removed.
5216 (flag_prefetch_loop_arrays): Do not specify the value.
5218 * doc/passes.texi: Update documentation of loop optimizer
5220 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5221 -frerun-loop-opt): Remove.
5223 2006-02-26 Richard Guenther <rguenther@suse.de>
5225 PR tree-optimization/26421
5226 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5227 in function calls that are ADDR_EXPRs as using the whole structure.
5229 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5231 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5232 * tree-pass.h (pass_loop_optimize): Remove.
5233 * passes.c (pass_loop_optimize): Never run it.
5234 * toplev.c (backend_init): Don't call init_loop.
5235 * opts.c (flag_loop_optimize_set): Remove.
5236 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5237 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5238 the old RTL loop optimizer when profiling enabled.
5239 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5240 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5241 pre-headers for the sake of the old RTL loop optimizer.
5242 * Makefile.in: Remove all references to loop.o.
5244 * doc/invoke.texi: Remove all references to -floop-optimize
5245 and -frerun-loop-opt.
5247 2006-02-26 Zack Weinberg <zackw@panix.com>
5249 * doc/md.texi (Machine Constraints): Refer to all files with paths
5250 relative to gcc directory (i.e. config/CPU/file). Add missing
5251 @table @code ... @end table to M32C subsection.
5253 2006-02-26 Roger Sayle <roger@eyesopen.com>
5255 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5257 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5259 2006-02-26 Roger Sayle <roger@eyesopen.com>
5260 James A. Morrison <phython@gcc.gnu.org>
5263 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5264 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5265 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5266 signedness of the shift operation.
5268 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5270 PR tree-optimization/26359
5271 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5273 2006-02-25 Roger Sayle <roger@eyesopen.com>
5275 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5276 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5277 as X == 0, and some symmetry related transformations.
5278 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5280 2006-02-25 Roger Sayle <roger@eyesopen.com>
5283 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5284 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5285 symmetry related transformations. Fold (X^C1) == C2 as
5288 2006-02-25 Juergen Weigert <jw@suse.de>
5289 Richard Guenther <rguenther@suse.de>
5291 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5293 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5295 * combine.c (gen_lowpart_or_truncate): Call
5296 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5298 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5300 * doc/invoke.texi: Move -fopenmp description to "Options for
5302 Remove reference to -lgomp.
5304 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5306 * doc/install.texi: Require GNU tar version 1.14.
5308 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5310 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5311 * doc/invoke.texi (C++ Dialect Options): Document
5312 -fno-use-cxa-get-exception-ptr.
5313 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5314 * configure: Regenerate.
5315 * c.opt (fuse-cxa-get-exception-ptr): New.
5316 * c-opts.c (c_common_handle_option): Handle
5317 OPT_fuse_cxa_get_exception_ptr.
5318 * c-common.c (flag_use_cxa_atexit): Update documentation.
5319 (flag_use_cxa_get_exception_ptr): New.
5320 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5321 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5323 (C_COMMON_OVERRIDE_OPTIONS): New.
5325 2006-02-24 Roger Sayle <roger@eyesopen.com>
5328 * combine.c (try_combine): Explicitly check whether GET_CODE is
5329 a SET or a CLOBBER, instead on checking that it isn't a USE.
5331 2006-02-24 Roger Sayle <roger@eyesopen.com>
5333 * fold-const.c (fold_comparison): New subroutine of fold_binary
5334 containing transformations common to both the equality and
5335 ordering relational operators, factored out of fold_binary.
5336 (fold_binary): Separate out the equality operators (EQ_EXPR
5337 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5338 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5339 transformations common to both.
5340 (fold_div_compare): Fix latent bugs in the previously unreachable
5341 LT_EXPR and GE_EXPR cases.
5343 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5345 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5346 decl libname for clog to __clog on AIX.
5348 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5350 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5353 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5354 output traceback table for thunks. Localise rs6000_stack_info call.
5356 2006-02-23 Roger Sayle <roger@eyesopen.com>
5357 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5359 * gthr-posix.h (__gthrw): Fix typo in comment.
5361 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5363 * doc/cpp.texi (Character sets): Document that we do support
5364 input files to be in any character set.
5366 2006-02-23 Jeff Law <law@redhat.com>
5368 * tree.h (PHI_ARG_NONZERO): Remove.
5369 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5370 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5371 node to the new node.
5373 PR tree-optimization/26425
5374 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5375 min/max, then assume its varying.
5377 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5379 PR rtl-optimization/26316
5380 * rtlanal.c (enum may_trap_p_flags): New.
5381 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5382 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5383 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5384 (may_trap_after_code_motion_p): New function.
5385 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5386 (find_invariant_insn): Use may_trap_after_code_motion_p.
5387 * rtl.h (may_trap_after_code_motion_p): Declare.
5389 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5391 * emit-rtl.c (immed_double_const): Cleanup.
5393 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5395 Fix PR tree-optimization/26376
5396 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5399 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5402 * gimplify.c (omp_add_variable): Guard variable size decl test with
5403 DECL_SIZE (decl) check.
5405 2006-02-23 Richard Guenther <rguenther@suse.de>
5408 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5409 like aggregate types.
5411 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5413 * configure.ac: Add --with{,out}-long-double-128 configure option.
5414 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5415 * configure: Rebuilt.
5416 * config.in: Rebuilt.
5417 * doc/install.texi (Options specification): Document
5418 --with-long-double-128.
5420 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5421 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5422 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5423 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5425 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5427 * config/s390/s390.c (override_options): Handle
5428 TARGET_DEFAULT_LONG_DOUBLE_128.
5430 * config/alpha/alpha.c (override_options): Handle
5431 TARGET_DEFAULT_LONG_DOUBLE_128.
5433 * config/sparc/sparc.c (sparc_override_options): Handle
5434 TARGET_DEFAULT_LONG_DOUBLE_128.
5436 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5438 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5439 (real-install-headers-tar, real-install-headers-cpio)
5440 (real-install-headers-cp): New targets.
5442 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5444 * tree.h (variable_section): Delete.
5445 * varasm.c (variable_section): Delete.
5447 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5449 * install.texi: Add notes on install.texi2html.
5450 (Building in parallel): Do not use footnotes.
5452 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5455 * doc/install.texi (Configuration): Document --disable-libgomp.
5457 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5459 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5461 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5463 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5464 (vec_extractv2df_0_sse): New.
5466 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5468 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5469 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5470 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5471 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5472 to the result of the expression.
5473 (def_cfa_1): Adjust.
5474 (frame_pointer_cfa_offset): Rename to...
5475 (frame_pointer_fb_offset): ... this. Adjust all uses.
5476 (convert_cfa_to_loc_list): Rename to...
5477 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5478 Pass it on to build_cfa_loc.
5479 (compute_frame_pointer_to_cfa_displacement): Rename to...
5480 (compute_frame_pointer_to_fb_displacement): ... this. New
5481 offset parameter. Use it in computation.
5482 (gen_subprogram_die): Compute cfa_fb_offset with the new
5483 macro, and use it to compute the fb loc list and the
5486 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5488 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5489 replaced with register_operand.
5490 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5491 non-DREG is expensive.
5492 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5493 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5496 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5498 * doc/install.texi2html: Use set -e.
5500 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5502 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5503 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5504 * doc/invoke.texi (-fshared-data): Delete.
5505 * common.opt (fshared-data): Delete.
5506 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5507 (assemble_static_space): Remove #if 0 code.
5508 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5509 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5510 * config/cris/cris.h: Remove FIXME.
5512 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5514 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5517 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5520 * combine.c (simplify_shift_const_1): Disable nested shifts
5521 optimization for vector shifts.
5523 2006-02-20 Roger Sayle <roger@eyesopen.com>
5525 PR tree-optimization/26361
5526 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5527 of unsigned integer types.
5529 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5531 * tree-chrec.c (eq_evolutions_p): New.
5532 * tree-chrec.h (eq_evolutions_p): Declared.
5533 * tree-data-ref.c: Fix formatting.
5534 (datadep_stats, dependence_stats): New.
5536 (print_direction_vector): New.
5537 (dump_data_dependence_relation): Use print_direction_vector.
5538 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5539 (compute_subscript_distance): Static.
5540 (initialize_data_dependence_relation): Static. Get the number
5541 of loops surrounding the references from the callers, and initialize
5542 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5543 base_object_differ_p analyzers.
5544 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5545 compute_overlap_steps_for_affine_1_2,
5546 analyze_subscript_affine_affine): Count the classified dependences.
5547 Print a message when a test failed.
5548 (can_use_analyze_subscript_affine_affine): New.
5549 (analyze_siv_subscript): Compute the data dependences on symbolic
5550 scevs that verify can_use_analyze_subscript_affine_affine.
5551 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5552 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5553 Handle symbolic scevs.
5554 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5556 (subscript_dependence_tester): Moved...
5557 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5558 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5559 DDR_SIZE_VECT instead of getting it in parameter.
5560 (subscript_dependence_tester): ... here. Take as a parameter
5561 loop_nest_depth. Call build_classic_dist_vector and
5562 build_classic_dir_vector.
5563 (compute_affine_dependence): Update subscript_dependence_tester
5564 parameters. Update datadep_stats counters. Call
5565 compute_subscript_distance.
5566 (compute_self_dependence): Save the dist and dir vectors. Call
5567 compute_subscript_distance.
5568 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5569 (compute_all_dependences): Reorder parameters as they were before
5570 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5571 compute_subscript_distance. Update the use of
5572 compute_affine_dependence and initialize_data_dependence_relation.
5573 (find_data_references_in_loop): Handle COMPONENT_REF.
5574 (compute_data_dependences_for_loop): Initialize dependence_stats.
5575 Don't call build_classic_dist_vector and build_classic_dir_vector.
5576 Update the parameters of initialize_data_dependence_relation and
5577 compute_all_dependences. Print the statistics from datadep_stats.
5578 (analyze_all_data_dependences): Static. Not used until the pass for
5579 checking the data dependences is contributed.
5580 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5581 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5582 (initialize_data_dependence_relation, compute_affine_dependence,
5583 analyze_all_data_dependences, compute_subscript_distance): Removed.
5584 (print_direction_vector): New.
5585 * lambda.h (gcd): ... here.
5586 (lambda_vector_gcd): Moved here from gcd_vector.
5587 * lambda-code.c (gcd, gcd_vector): Removed.
5588 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5589 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5591 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5593 * ipa-type-escape.c: Tidy some comments and white space.
5594 * tree-ssa-operands.c: Likewise.
5596 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5599 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5600 (dump_decl_name): Do not walk the decl tree chains.
5601 * tree-pass.h (TDF_CHAIN): Remove.
5603 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5605 * Makefile.in (C): Remove
5607 (.PHONY): Remove C and PROTO
5609 2006-02-20 Roger Sayle <roger@eyesopen.com>
5612 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5613 deprecated CHAR_TYPE tree code.
5615 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5617 * configure.ac (target_list): Add install-info, dvi, html.
5618 * configure: Regenerate.
5620 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5621 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5622 treelang/Make-lang.in: Do not use double-colon rules.
5624 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5626 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5627 (TMT_USED_ALONE): New macro.
5628 * tree-pass.h (PROP_tmt_usage): New property.
5629 (TODO_update_tmt_usage): New todo.
5630 * tree-ssa-alias.c (updating_used_alone): New variable.
5631 (recalculate_used_alone): New function.
5632 (compute_may_aliases): Set updating_used_alone, call
5633 recalculate_used_alone.
5634 * tree-sra.c (pass_sra): Note that this pass destroys
5635 PROP_tmt_usage, and add TODO_update_tmt_usage.
5636 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5637 * tree-flow.h (updating_used_alone): Prototype.
5638 (recalculate_used_alone): Ditto.
5639 * passes.c (execute_todo): Add code to set updating_used_alone,
5640 and call recalculate.
5641 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5642 for clobber if used alone, and add assert to verify used_alone
5645 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5647 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5648 for non tls symbols added.
5649 (legitimize_address): Do nothing for PLUS expressions if one of the
5650 addends is a tls symbol reference.
5652 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5656 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5658 * Makefile.in (BOOTSTRAPPING): New.
5659 (quickstrap): New definition if BOOTSTRAPPING=yes.
5661 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5662 * configure.ac: Substitute all_selected_languages with the languages
5663 that were configured. For all the other variables except
5664 lang_specs_files, include all the languages in the tree.
5665 * configure: Regenerate.
5667 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5668 if there is one. Run the commands to run fixincludes in the same
5671 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5672 * doc/install.texi: Document exact conventions for searching target tools.
5673 Document --with-build-time-tools. Document toplevel bootstrap. Document
5674 something more about building an Ada cross-compiler. Don't list GNU Make
5675 requirements which affect all platforms.
5677 2006-02-19 Roger Sayle <roger@eyesopen.com>
5680 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5681 only equivalent if the have both the same mode and precision.
5683 2006-02-20 Ben Elliston <bje@au.ibm.com>
5685 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5687 2006-02-19 Roger Sayle <roger@eyesopen.com>
5688 Steven Bosscher <stevenb.gcc@gmail.com>
5690 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5691 constant pool references to identify stack mode constants.
5692 * rtlanal.c (constant_pool_constant_p): New predicate to check
5693 whether operand is a floating point constant in the pool.
5694 * rtl.h (constant_pool_constant_p): Prototype here.
5695 * loop.c (scan_loop): Avoid hoisting constants from the constant
5696 pool on STACK_REGS targets.
5697 (load_mems): Likewise.
5698 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5699 loads into x87 registers expensive in terms of register pressure.
5701 2006-02-19 Roger Sayle <roger@eyesopen.com>
5703 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5704 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5706 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5708 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5709 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5711 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5713 * doc/invoke.texi: Document -fipa-pta.
5714 * common.opt: Add ipa-pta option.
5715 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5716 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5717 (do_ds_constraint): Ditto.
5718 (get_constraint_for): Only add to referenced_vars if
5719 referenced_vars exists.
5720 (insert_into_field_list): Rewrite to do this unsorted.
5721 (insert_into_field_list_sorted): Rename old insert_into_field_list
5723 (create_function_info_for): Use insert_into_field_list_sorted.
5724 (create_variable_info_for): Rewrite so it uses unsorted version,
5725 since the field list is sorted.
5726 (intra_create_variable_infos): Only add to referenced_vars if
5727 referenced_vars exists.
5728 (ipa_pta_execute): Init heapvars, and delete when done.
5729 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5731 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5733 * doc/install.texi: Add missing `@samp'.
5735 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5737 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5740 2006-02-18 Mark Wielaard <mark@klomp.org>
5742 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5743 who added new 4.1 features, bug fixes and integration support.
5745 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5748 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5751 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5753 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5754 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5755 (copy_insn_1): Likewise. Don't copy each field individually.
5757 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5759 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5760 * rtl.c (rtx_size): Rename variable to...
5761 (rtx_code_size): ...this.
5762 (rtx_size): New function.
5763 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5764 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5766 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5767 * rtl.h (rtx_code_size): New variable.
5768 (rtx_size): Change from a variable to a function.
5769 (RTX_SIZE): Rename to...
5770 (RTX_CODE_SIZE): ...this.
5773 PR tree-optimization/17106
5774 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5775 (Anchored Addresses): New section.
5776 * doc/invoke.texi (-fsection-anchors): Document.
5777 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5778 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5779 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5780 * hooks.c (hook_bool_mode_rtx_false): New function.
5781 * hooks.h (hook_bool_mode_rtx_false): Declare.
5782 * gengtype.c (create_optional_field): New function.
5783 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5784 SYMBOL_REF_IN_BLOCK_P is true.
5785 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5786 (min_anchor_offset, max_anchor_offset): Likewise.
5787 (use_anchors_for_symbol_p): New hook.
5788 * toplev.c (compile_file): Call output_object_blocks.
5789 (target_supports_section_anchors_p): New function.
5790 (process_options): Check that -fsection-anchors is only used on
5791 targets that support it and when -funit-at-a-time is in effect.
5792 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5793 if the decl doesn't have one.
5794 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5795 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5796 of force_const_mem through use_anchored_address.
5797 (expand_expr_constant): New function.
5798 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5799 calling expand_expr for INDIRECT_REF.
5800 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5801 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5802 * expr.h (use_anchored_address): Declare.
5803 * loop-unroll.c: Don't declare rtx vectors here.
5804 * explow.c: Include output.h.
5805 (validize_mem): Call use_anchored_address.
5806 (use_anchored_address): New function.
5807 * common.opt (-fsection-anchors): New switch.
5808 * varasm.c (object_block_htab, anchor_labelno): New variables.
5809 (hash_section, object_block_entry_eq, object_block_entry_hash)
5810 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5811 (use_blocks_for_decl_p, change_symbol_section): New functions.
5812 (get_variable_section): New function, split out from assemble_variable.
5813 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5814 use_blocks_for_decl_p say so. Use change_symbol_section if the
5815 symbol has already been created.
5816 (assemble_variable_contents): New function, split out from...
5817 (assemble_variable): ...here. Don't output any code for
5818 block symbols; just pass them to place_block_symbol.
5819 Use get_variable_section and assemble_variable_contents.
5820 (get_constant_alignment, get_constant_section, get_constant_size): New
5821 functions, split from output_constant_def_contents.
5822 (build_constant_desc): Create a block symbol if use_object_blocks_p
5823 says so. Or into SYMBOL_REF_FLAGS.
5824 (assemble_constant_contents): New function, split from...
5825 (output_constant_def_contents): ...here. Don't output any code
5826 for block symbols; just pass them to place_section_symbol.
5827 Use get_constant_section and get_constant_alignment.
5828 (force_const_mem): Create a block symbol if use_object_blocks_p and
5829 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5830 (output_constant_pool_1): Add an explicit alignment argument.
5831 Don't switch sections here.
5832 (output_constant_pool): Adjust call to output_constant_pool_1.
5833 Switch sections here instead. Don't output anything for block symbols;
5834 just pass them to place_block_symbol.
5835 (init_varasm_once): Initialize object_block_htab.
5836 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5837 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5838 (place_block_symbol, get_section_anchor, output_object_block)
5839 (output_object_block_htab, output_object_blocks): New functions.
5840 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5841 (TARGET_ASM_OUT): Include it.
5842 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5843 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5844 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5845 (TARGET_INITIALIZER): Include them.
5846 * rtl.c (rtl_check_failed_block_symbol): New function.
5847 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5848 (block_symbol, object_block): New structures.
5849 (rtx_def): Add a block_symbol field to the union.
5850 (BLOCK_SYMBOL_CHECK): New macro.
5851 (rtl_check_failed_block_symbol): Declare.
5852 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5853 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5854 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5855 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5856 * output.h (output_section_symbols): Declare.
5857 (object_block): Name structure.
5858 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5859 (default_use_anchors_for_symbol_p): Declare.
5860 * Makefile.in (RTL_BASE_H): Add vec.h.
5861 (explow.o): Depend on output.h.
5862 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5863 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5864 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5865 (rs6000_use_blocks_for_constant_p): New function.
5867 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5869 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5871 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5874 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5877 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5879 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5883 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5886 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5887 instead of DECL_REGISTER.
5889 2006-02-18 Olivier Hainque <hainque@adacore.com>
5892 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5894 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5897 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5898 * opth-gen.awk: Handle Var and InverseMask together.
5899 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5900 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5901 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5902 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5904 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5905 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5906 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5907 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5908 LINUX_DYNAMIC_LINKER): Define.
5909 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5910 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5912 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5913 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5914 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5915 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5916 (TARGET_C99_FUNCTIONS): Don't define.
5917 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5918 GLIBC_DYNAMIC_LINKER.
5919 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5920 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5921 GLIBC_DYNAMIC_LINKER64): Define.
5922 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5923 LINUX_DYNAMIC_LINKER64.
5924 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5925 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5926 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5927 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5928 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5929 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5930 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5931 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5932 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5933 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5934 and LINUX_DYNAMIC_LINKER32.
5935 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5936 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5937 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5938 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5939 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5941 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5942 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5943 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5944 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5945 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5946 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5947 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5948 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5949 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5950 LINUX_DYNAMIC_LINKER): Define.
5951 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5952 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5953 GLIBC_DYNAMIC_LINKER64): Define.
5954 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5955 LINUX_DYNAMIC_LINKER64.
5956 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5957 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5958 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5959 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5960 LINUX_DYNAMIC_LINKER): Define.
5961 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5962 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5963 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5964 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5965 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5966 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5967 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5968 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5969 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5970 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5971 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5972 * doc/invoke.texi (-muclibc): Remove caveat about supported
5975 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5977 * doc/cpp.texi (__TIMESTAMP__): Document.
5979 2006-02-17 Roger Sayle <roger@eyesopen.com>
5982 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5983 C is one less than the width of X (and related transformations).
5984 * simplify-rtx.c (simplify_unary_operation_1): Transform
5985 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5986 depending on STORE_FLAG_VALUE, were C is one less then the
5989 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5991 Fix PR tree-optimization/26341
5992 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5993 about NAME_MEMORY_TAG's.
5995 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5998 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5999 with hardware float support, and software float support. Add fcpy
6000 alternative to hardware patterns. Add alternatives to copy between
6001 general and floating-point registers to the 32-bit pattern.
6002 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6003 secondary reload to load a QI or HI mode constant into a floating
6005 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6006 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6008 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
6011 * config/rs6000/darwin.md (load_macho_picbase_si): Add
6013 (load_macho_picbase_di): Likewise.
6015 2006-02-16 Jeff Law <law@redhat.com>
6017 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6018 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6019 (ssa_name_nonzero_p): Likewise.
6020 (get_value_range): Return NULL if VRP is not running.
6021 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6022 VRP routines do not discover a range.
6023 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6024 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6025 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6026 (tree_expr_nonnegative_p): Similarly.
6027 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6028 (restore_nonzero_vars_to_original_value): Remove.
6029 (unsafe_associative_fp_binop): Remove.
6030 (tree_ssa_dominator_optimize): Remove initialization and
6031 finalization of nonzero_vars and nonzero_vars_stack.
6032 (dom_opt_initialize_block): No longer push marker on
6034 (dom_opt_finalize_block): No longer call
6035 restore_nonzero_vars_to_original_value.
6036 (record_equivalences_from_phis): No longer look for
6037 nonzero PHI arguments.
6038 (cprop_into_successor_phis): No longer propagate nonzero
6039 property into PHI arguments. Lose unused argument. Caller
6041 (record_equivalences_from_stmt): No longer record nonzero
6042 values for SSA_NAMEs.
6043 (lookup_avail_expr): No longer use nonzero_vars.
6045 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6046 for sizetype when sizetype is unsigned.
6048 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6050 PR rtl-optimization/25603
6051 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6052 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6053 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6054 with new meaning of SETS.
6056 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6061 * config/linux.opt: New file.
6062 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6063 LINUX_DYNAMIC_LINKER): Define.
6064 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
6065 * config.gcc (*-*-linux*): Define extra_options.
6066 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
6067 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
6068 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
6069 GLIBC_DYNAMIC_LINKER.
6070 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
6071 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6072 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6073 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6074 * doc/invoke.texi (GNU/Linux Options): New section.
6076 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6078 * config/sparc/sparc.md (setjmp): Rewrite.
6079 (setjmp_32): Delete.
6080 (setjmp_64): Likewise.
6082 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6084 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6087 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6089 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6092 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6094 PR rtl-optimization/26296
6095 * Makefile.in (loop-invariant.c): Add except.h dependency.
6096 * loop-invariant.c: Include except.h.
6097 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6099 2005-02-16 Paul Brook <paul@codesourcery.com>
6101 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6104 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6106 PR rtl-optimization/25636
6107 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6108 when deciding whether an insn is an initializing insn.
6110 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6112 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6113 (tree_code_size): Ditto.
6114 * tree.h (struct tree_memory_tag): Remove parent_var.
6115 (struct tree_struct_field_tag): New.
6118 (union tree_node): Add sft member.
6119 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6121 (create_sft): Add size and offset argument, set SFT_OFFSET and
6123 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6124 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6125 * tree-flow-inline.h (get_subvar_at): Update for
6126 SFT_OFFSET/SFT_SIZE.
6127 (var_can_have_subvars): Ditto.
6128 (overlap_subvar): Ditto.
6129 * print-tree.c (print_node): Print out interesting things for
6131 * tree-flow.h (struct subvar): Remove offset and size members.
6132 * tree-ssa-operands.c (get_expr_operands): Update for
6133 get_indirect_ref_operands changes.
6134 (get_indirect_ref_operands): Call add_virtual_operand instead of
6135 add_stmt_operand. Only recurse on base var if requested.
6136 (access_can_touch_variable): New function.
6137 (add_stmt_operand): Split virtual operand handling into ...
6138 (add_virtual_operand): Here. Add offset, size, and for_clobber
6139 arguments. Prune alias sets.
6140 (add_call_clobber_ops): Call add_virtual_operand.
6142 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6145 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6147 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6148 than TREE_CODE as index into omp_clause_num_ops array.
6150 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6152 PR rtl-optimization/26184
6153 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6155 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6156 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6157 must_precede, must_follow and tobe_scheduled.
6160 * opts.c (common_handle_option): Free new_option pointer.
6161 * df-core.c (df_analyze): Free postorder pointer.
6163 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6165 * Makefile.in: Fix the examples about the use of stamps
6167 2006-02-15 Michael Matz <matz@suse.de>
6171 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6172 influenced by maximum_field_alignment or DECL_PACKED.
6173 (update_alignment_for_field): Ditto.
6174 (place_field): Ditto.
6175 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
6178 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
6180 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
6181 (debug_flow_info): Pass it.
6182 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
6183 * bb-reorder.c (reorder_basic_blocks): Likewise.
6184 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
6185 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
6186 * flow.c (life_analysis, recompute_reg_usage): Likewise.
6187 * gcse.c (gcse_main, bypass_jumps): Likewise.
6188 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
6189 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
6190 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
6191 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
6192 * rtl.h (dump_flow_info): Adjust prototype.
6193 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
6194 * var-tracking.c (variable_tracking_main): Likewise.
6195 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
6196 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
6199 2006-02-15 Marcin Dalecki <martin@dalecki.de>
6201 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
6204 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6206 PR tree-optimization/26209
6207 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
6208 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
6210 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6212 2006-02-14 Roger Sayle <roger@eyesopen.com>
6215 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6216 (X,Y) and the corresponding symmetry related transformations.
6217 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6218 (X,Y) and its symmetry related transformations.
6220 2006-02-14 Roger Sayle <roger@eyesopen.com>
6222 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6225 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6227 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6229 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6232 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6233 support COMDAT group.
6234 * configure: Regenerate.
6236 2006-02-14 Roger Sayle <roger@eyesopen.com>
6241 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6243 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6245 Fix PR tree-optimization/26260
6247 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6249 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6250 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6251 * tree-ssa-structalias.c (create_variable_info_for): Use
6252 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6254 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6256 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6258 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6259 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6260 of the ending condition.
6261 * tree-ssa-loop-manip.c: Include params.h.
6262 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6263 tree_unroll_loop): New functions.
6264 * tree-pass.h (pass_loop_prefetch): Declare.
6265 * loop.c (rest_of_handle_loop_optimize): Test for
6266 -fprefetch-loop-arrays-rtl.
6267 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6268 * timevar.def (TV_TREE_PREFETCH): New timevar.
6269 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6270 pass_loop_prefetch): New.
6271 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6272 (cleanup_tree_cfg_loop): Call scev_reset.
6273 * common.opt (fprefetch-loop-arrays-rtl): Add.
6274 * tree-ssa-loop-prefetch.c: New file.
6275 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6276 (new_temp_expr_table): Initialize expr_vars.
6277 (free_temp_expr_table): Cleanup expr_vars.
6278 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6279 expressions from being merged into one.
6280 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6281 (struct tree_niter_desc): Add control, bound and cmp fields.
6282 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6284 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6285 (tree-cfgcleanup.o): Add SCEV_H dependency.
6286 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6287 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6289 2006-02-14 Richard Guenther <rguenther@suse.de>
6291 PR tree-optimization/26258
6292 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6293 in PHI argument processing.
6295 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6297 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6298 new expression in the requested machine mode.
6300 2006-02-13 Roger Sayle <roger@eyesopen.com>
6302 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6303 directly, instead let do_compare_rtx_and_jump handle this for us.
6304 * expr.c (expand_expr_real_1): Likewise.
6305 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6306 before do_jump_by_parts_greater.
6307 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6308 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6310 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6312 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6314 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6316 PR rtl-optimization/26235
6317 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6318 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6321 2006-02-13 Jeff Law <law@redhat.com>
6323 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6326 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6329 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6330 twice if decl is a builtin. When trying again, call get_callee_fndecl
6331 first to verify it is still a builtin.
6333 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6335 * dwarf2out.c (base_type_die): Don't add AT_name here.
6336 (subrange_type_die): Don't add AT_name here.
6337 (modified_type_die): Rearrange code flow. Do add AT_name here.
6339 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6341 PR rtl-optimization/26247
6342 PR rtl-optimization/26248
6343 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6345 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6347 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6348 * config/fixtfdi.c: Likewise.
6349 * config/fixunstfdi.c: Likewise.
6350 * config/floatditf.c: Likewise.
6352 2006-02-13 Roger Sayle <roger@eyesopen.com>
6355 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6356 into (X,C2) if C1 is a subset of the bits of C2. Transform
6357 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6359 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6361 2006-02-13 Josh Conner <jconner@apple.com>
6364 * varasm.c (function_section): Check for section name before
6365 calling select_section on targets that define
6366 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6367 unlikely_text_section instead of hot_function_section if
6368 first_function_block_is_cold.
6370 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6373 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6375 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6377 PR rtl-optimization/26222
6378 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6379 after tree->rtl expansion.
6380 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6381 before passing it to emit_move_insn.
6383 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6385 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6387 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6388 Clarify documentation.
6389 * c-common.h (warn_write_strings): Remove.
6390 * c-common.c (warn_write_strings): Likewise.
6391 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6394 2006-02-12 Roger Sayle <roger@eyesopen.com>
6397 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6398 (do_jump_parts_zero_rtx): New function renamed from
6399 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6400 (do_jump_parts_equality_rtx): New function split out from
6401 do_jump_parts_equality. Old implementation renamed as above.
6402 Call do_jump_parts_zero_rtx if either operand is zero.
6403 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6404 do all of the heavy lifting.
6405 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6406 calling either do_jump_by_parts_greater_rtx or
6407 do_jump_by_parts_equality_rtx.
6408 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6409 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6410 moved to do_compare_rtx_and_jump, call it directly.
6411 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6412 mode argument. Call do_compare_rtx_and_jump.
6413 (emit_case_nodes): Update calls to do_jump_if_equal.
6415 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6417 PR rtl-optimization/26225
6418 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6420 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6422 PR rtl-optimization/26232
6423 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6425 2006-02-11 Jason Merrill <jason@redhat.com>
6428 * tree-inline.c (declare_return_variable): Just don't use the
6429 modify target if it's a gimple complex reg and the return slot
6432 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6434 * doc/contrib.texi: Update my entry.
6436 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6438 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6440 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6442 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6445 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6447 * doc/invoke.texi (-floop-optimize2): Removed.
6448 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6449 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6450 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6451 * common.opt (floop-optimize2): Removed.
6452 (fmove-loop-invariants): Enabled by default.
6454 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6456 * tree-if-conv.c (combine_blocks): Free the result of
6457 get_loop_exit_edges.
6459 2006-02-10 Jeff Law <law@redhat.com>
6461 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6463 PR tree-optimization/26213
6464 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6465 loop trying to follow SSA_NAME_VALUE chains.
6467 2006-02-10 Richard Guenther <rguenther@suse.de>
6469 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6470 deal with structures that end in implicitly variable sized arrays.
6472 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6474 PR rtl-optimization/24762
6475 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6478 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6480 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6481 (struct ivopts_data): Add regs_used field.
6482 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6483 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6484 instead of loop_data->regs_used;
6485 (free_loop_data): Do not free aux fields for loops.
6486 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6487 and tree_ssa_iv_optimize_finalize.
6489 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6491 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6493 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6496 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6497 computing the effective result type.
6499 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6502 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6503 (tree_overlaps_hard_reg_set): Declare.
6504 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6505 type and signature to match function type expected by walk_tree.
6506 (tree_overlaps_hard_reg_set): New function.
6507 (decl_conflicts_with_clobbers_p): Rename to:
6508 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6509 Use tree_overlaps_hard_reg_set. Changed caller.
6510 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6511 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6512 * cris.c (cris_md_asm_clobbers): Likewise.
6514 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6516 * reload1.c (emit_input_reload_insns): Delete code that tries to
6517 inherit using find_equiv_reg.
6519 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6521 * c-common.h (flag_const_strings): Don't declare.
6522 * c-common.c (flag_const_strings): Remove.
6523 * c.opt (fconst_strings): Remove.
6524 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6525 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6526 (c_common_init_options): Don't set flag_const_strings.
6527 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6529 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6531 * arm.md (tlobits_cbranch): New pattern.
6532 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6533 testing a single bit.
6535 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6538 * tree-ssa-pre.c (create_component_ref_by_pieces):
6539 Handle RETURN_DECL like VAR_DECL.
6541 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6544 * fold-const.c (fold_indirect_ref_1): Fold
6545 "*(foo *)&complexfoo" to "__real__ complexfoo"
6546 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6548 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6550 * tree-flow-inline.h (var_can_have_subvars):
6551 Volatile variables should not have subvariables.
6553 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6556 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6557 multiplying unsigned values.
6560 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6562 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6564 2006-02-08 Jason Merrill <jason@redhat.com>
6567 * tree.def: Elaborate on difference from MODIFY_EXPR.
6568 * doc/c-tree.texi (INIT_EXPR): Likewise.
6569 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6570 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6571 (gimplify_target_expr): Likewise.
6572 (gimplify_cond_expr): Remove target handling.
6573 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6574 (gimplify_expr): Clobber it here.
6575 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6576 Do return slot optimization if we have an INIT_EXPR.
6579 * tree-inline.c (declare_return_variable): Also clear
6580 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6583 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6586 * gimplify.c (gimplify_one_sizepos): Fix typo.
6588 2006-02-08 Jeff Law <law@redhat.com>
6590 PR tree-optimization/21417
6591 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6592 across a backedge if the control statement at the end of the
6593 block is data dependent on other statements in the same block.
6594 (record_temporary_equivalences_from_stmts): Remove over-conservative
6595 test for threading across backedges.
6597 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6598 control statement, handle all three special cases in the same
6599 manner as they all have the same desired solution. No longer
6600 special case edge flag updating when the post dominator is
6603 2006-02-08 Roger Sayle <roger@eyesopen.com>
6605 * tree.def (CHAR_TYPE): Remove.
6606 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6607 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6608 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6609 (gen_string_type_die): Delete unreachable function.
6611 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6612 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6613 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6614 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6615 * builtins.c (type_to_class): Likewise.
6616 * fold-const.c (fold_convert, build_range_check,
6617 merge_ranges): Likewise.
6618 * expr.c (count_type_elements): Likewise.
6619 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6620 * stor-layout.c (layout_type): Likewise.
6621 * ipa-type-escape.c (type_to_consider): Likewise.
6622 * gimplify.c (omp_firstprivatize_type_sizes,
6623 gimplify_type_sizes): Likewise.
6624 * explow.c (promote_mode): Likewise.
6625 * tree-sra.c (is_sra_scalar_type): Likewise.
6626 * varasm.c (output_constant): Likewise.
6627 * tree-inline.c (remap_type_1): Likewise.
6628 * convert.c (convert_to_pointer, convert_to_real,
6629 convert_to_integer, convert_to_complex): Likewise.
6631 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6633 * df-scan.c (df_def_record_1): A set destination may
6634 be a parallel regardless of mode.
6636 2006-02-08 Roger Sayle <roger@eyesopen.com>
6639 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6640 * config/mips/_tilib.c: Remove.
6641 * config/fixtfdi.c: New libgcc source file.
6642 * config/fixunstfdi.c: New source file.
6643 * config/floatditf.c: New source file.
6644 * config/floatunditf.c: New souce file.
6645 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6646 files above instead of config/mips/_tilib.c.
6647 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6649 2006-02-08 Jeff Law <law@redhat.com>
6651 PR tree-optimization/26169
6652 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6655 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6657 * df.h (DF_REG_SIZE): Return the length of the initialized
6660 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6662 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6663 __muldf3): Return a correctly signed zero.
6665 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6667 * passes.c (register_one_dump_file): Accept the current properties
6668 instead of pass number. Adjust call to dump_register. Remove
6670 (register_dump_files): Now a wrapper around...
6671 (register_dump_files_1): ... this one. Do not modify the pass
6673 (next_pass_1): Cosmetic fix.
6674 (execute_todo): Keep second parameter only. Use curr_properties
6675 instead of fetching it from the pass structure. Check and set
6677 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6678 instead of fetching it from the pass structure. Fix calls to
6679 execute_todo. Update curr_properties and initialize .vcg RTL dump
6680 after running the pass. Reset last_verified.
6681 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6683 (FIRST_AUTO_NUMBERED_DUMP): New.
6684 (dump_register): Remove "num" parameter, assign it within the
6686 (get_dump_file_name): Modify template for dumps.
6687 * tree-dump.h (dump_register): Adjust prototype.
6688 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6689 (PROP_trees): Add PROP_gimple_lomp.
6690 (TODO_set_props): New.
6691 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6692 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6693 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6695 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6697 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6698 (sparc64-*-linux*): Likewise.
6699 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6700 * config/sparc/t-linux: New file.
6701 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6702 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6703 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6704 -m32 -mlong-double-128.
6706 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6707 * config/alpha/t-linux: New file.
6708 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6710 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6711 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6712 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6713 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6714 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6715 (CPP_ARCH32_SPEC): Remove.
6717 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6719 PR tree-optimization/26145
6720 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6723 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6726 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6727 >= 240000 when generating code for SOM runtime.
6728 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6729 to $$dyncall when generating code for SOM runtime..
6731 2006-02-07 Dirk Mueller <dmueller@suse.com>
6734 * doc/invoke.texi (-Wsequence-point): Update documentation
6735 that -Wsequence-point is implemented for C++ as well.
6737 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6739 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6740 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6741 (LIB_SPEC): Likewise.
6742 * doc/invoke.texi (SPARC options): Document -pthread.
6744 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6746 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6749 2006-02-07 Roger Sayle <roger@eyesopen.com>
6751 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6752 Correct comment describing BOOLEAN_TYPE.
6754 2006-02-07 Dirk Mueller <dmueller@suse.com>
6756 * c.opt: C++ frontend supports -Wdiv-by-zero.
6757 * c-opts.c (c_common_handle_option): Remove dead case.
6759 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6761 * configure.ac (TLS assembler check): Do not enable TLS by
6762 default on SPARC/Solaris before version 10.
6763 * configure: Regenerate.
6765 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6767 * doc/invoke.texi (xl-compat): Document conversion and support
6770 2006-02-07 Jeff Law <law@redhat.com>
6772 * tree-vrp.c (find_conditional_asserts): Update comments.
6773 (simplify_stmt_for_jump_threading): New.
6774 (identify_jump_threads, finalize_jump_threads): New.
6775 (vrp_finalize): Call identify_jump_threads.
6776 (execute_vrp): Call finalize_jump_threads.
6777 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6778 (vrp_element, vrp_data, vrp_element_p): Remove.
6779 (vrp_hash_elt, vrp_variables_stack): Remove.
6780 (vrp_hash, vrp_eq, record_range): Remove.
6781 (simplify_cond_and_lookup_avail_expr): Remove.
6782 (extract_range_from_cond): Remove.
6783 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6784 (simplify_stmt_for_jump_threading): New.
6785 (dom_thread_across_edge): New wrapper.
6786 (tree_ssa_dominator_optimize): No longer initialize or
6787 finalize any of the VRP datastructures. Remove iteration
6788 step and simplify as a result of removal of iteration step.
6789 (pass_dominator): Perform a cfg cleanup after DOM.
6790 (dom_opt_finalize_block): Use the new common routines
6791 for threading jumps. Simplify stack management slightly.
6792 No longer need to unwind VRP state.
6793 (record_equivalences_from_incoming_edge): No longer record
6795 (eliminate_redundant_computations): No longer call
6796 simplify_cond_and_lookup_avail_expr.
6797 * tree-flow.h (potentially_threadable_block): Prototype.
6798 (thread_across_edge): Likewise.
6799 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6800 (tree-ssa-threadedge.o): Add dependencies.
6801 * tree-ssa-threadedge.c: New file.
6802 * passes.c (init_optimization_passes): Merge PHIs before
6803 calling VRP. Run VRP again late in the SSA optimization pipeline.
6805 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6807 * df-core.c (df_set_blocks): Do not dereference function pointers.
6808 (df_finish1): Likewise.
6809 (df_hybrid_search_forward): Likewise.
6810 (df_hybrid_search_backward): Likewise.
6811 (df_iterative_dataflow): Likewise.
6812 (df_analyze_problem): Likewise.
6813 (df_compact_blocks): Likewise.
6814 (df_dump): Likewise.
6815 * df-scan.c (df_rescan_blocks): Likewise.
6816 (df_record_entry_block_defs): Likewise.
6818 * genconditions.c (write_conditions): Guard the definition of
6819 'insn_conditions' with the check on GCC version.
6820 (write_writer): Guard the traversal 'insn_conditions' with
6821 the check on GCC version.
6823 2006-02-07 Richard Guenther <rguenther@suse.de>
6827 2006-01-30 Richard Guenther <rguenther@suse.de>
6829 * gimplify.c (gimplify_target_expr): Handle easy cases
6830 without creating a temporary.
6832 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6834 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6835 use of float in probability computations. Use edge probabilities
6836 in place of statically computed probabilities.
6837 (min_spec_prob): New static variable.
6838 (schedule_insns): Initialize it.
6839 (GET_SRC_PROB): Removed.
6840 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6842 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6845 * config/ia64/unwind-ia64.c: Revert last change.
6846 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6847 (INCOMING_FRAME_SP_OFFSET): Define.
6849 2006-02-06 Roger Sayle <roger@eyesopen.com>
6851 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6853 2006-02-07 Ben Elliston <bje@au.ibm.com>
6855 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6856 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6857 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6858 (ix86_return_in_memory): Handle TDmode.
6859 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6860 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6862 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6864 * reorg.c (dbr_schedule): Use dump_file instead of file.
6866 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6869 * config/ia64/predicates.md (extr_len_operand): New predicate.
6870 * config/ia64/ia64.md (extv): Tighten constraints.
6872 (*tbit_and_2): Ditto.
6873 (*tbit_and_3): Ditto.
6874 (*tbit_or_2): Ditto.
6875 (*tbit_or_3): Ditto.
6879 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6882 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6884 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6886 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6887 loop_optimizer_init and loop_optimizer_finalize
6888 * tree-ssa-sink.c (execute_sink_code): Ditto.
6889 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6890 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6891 tree_ssa_loop_done): Ditto.
6892 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6893 * sched-ebb.c: Include output.h.
6894 (schedule_ebbs): Do not use dump argument.
6895 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6896 * loop.c (loop_dump_stream): Removed.
6897 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6899 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6900 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6901 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6902 loop_iterations, strength_reduce, record_biv, record_giv,
6903 final_giv_value, check_final_value, check_ext_dependent_givs,
6904 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6905 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6906 dump_file instead of loop_dump_stream.
6907 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6909 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6911 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6912 * haifa-sched.c: Include output.h
6913 (schedule_insns, sched_init): Do not use dump argument.
6914 * mode-switching.c (optimize_mode_switching): Ditto.
6915 * modulo-sched.c (stats_file): Removed.
6916 (print_node_sched_params): Do not call argument dump_file.
6917 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6918 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6920 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6922 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6923 rtl_loop_init, rtl_loop_done): Ditto.
6924 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6925 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6927 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6928 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6929 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6930 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6931 * emit-rtl.c (renumber_insns): Ditto.
6932 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6933 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6934 * regclass.c (regclass): Ditto.
6935 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6936 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6937 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6938 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6940 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6941 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6943 * gcse.c (gcse_file, debug_stderr): Removed.
6944 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6945 rest_of_handle_gcse): Do not use dump argument.
6946 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6947 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6948 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6949 compute_code_hoist_vbeinout, compute_code_hoist_data,
6950 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6951 compute_store_table, build_store_vectors, insert_insn_start_bb,
6952 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6953 store_motion): Use dump_file instead of gcse_file.
6954 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6955 * profile.c (profile_dump_file): Removed.
6956 (branch_prob): Use dump_file instead of profile_dump_file.
6957 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6959 * tree-ssa-copy.c (dump_copy_of): Ditto.
6960 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6961 dump file to life_analysis.
6962 * bt-load.c (branch_target_load_optimize): Ditto.
6963 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6965 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6966 regclass, dbr_schedule): Declaration changed.
6967 * sched-int.h (sched_init): Declaration changed.
6968 * tree-profile.c (tree_profile_dump_file): Removed.
6969 (tree_profile_hooks): Removed profile_dump_file hook.
6970 * rtl-profile (rtl_profile_dump_file): Removed.
6971 (rtl_profile_hooks): emoved profile_dump_file hook.
6972 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6974 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6975 * tree-cfg.c (build_tree_cfg): Ditto.
6976 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6977 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6978 Declaration changed.
6979 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6980 life_analysis and schedule_insns.
6981 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6983 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6985 * config/mips/mips.c (mips_reorg): Ditto.
6986 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6989 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6991 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6992 (s390_mangle_fundamental_type): New.
6993 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6996 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6997 (alpha_mangle_fundamental_type): New.
6998 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7001 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7003 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7005 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7006 (sparc_mangle_fundamental_type): New.
7008 2006-02-06 Jakub Jelinek <jakub@redhat.com>
7010 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
7011 (s390x-*-linux*): Likewise.
7012 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
7013 * config/s390/t-linux: New file.
7015 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7017 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7018 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7020 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7022 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7023 (ANTIC_SAFE_LOADS): New macro.
7024 (find_or_generate_expression): Add prototype.
7025 (set_contains_value): Allow null set for sake of not always having
7026 to allocate ANTIC_SAFE_LOADS.
7027 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7028 Allow COMPONENT_REF too.
7029 (valid_in_set): Allow COMPONENT_REF.
7030 Check ANTIC_SAFE_LOADS too.
7031 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7032 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7034 (can_PRE_operation): Add COMPONENT_REF.
7035 (create_component_ref_by_pieces): New function.
7036 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7037 (insert_aux): Move AGGREGATE_TYPE_P check here.
7038 (compute_avail): Set bb local stmt uids.
7039 (pass_pre): Use TODO_update_ssa_only_virtuals.
7041 2006-02-06 Ben Elliston <bje@au.ibm.com>
7043 * configure.ac: Unconditionally disable decimal float by default.
7044 * configure: Regenerate.
7046 2006-02-06 Ben Elliston <bje@au.ibm.com>
7048 * read-rtl.c (read_name): Terminate reading on EOF.
7050 2006-02-06 Ben Elliston <bje@au.ibm.com>
7052 * dfp.c (decimal_real_arithmetic): Change second argument type
7053 from int to enum tree_code. Do not always return true, but now
7054 return result of any call to decimal_do helper functions.
7055 * dfp.h (decimal_real_arithmetic): Update prototype.
7057 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7059 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7061 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7064 * tree-cfg.c (cleanup_dead_labels): Also don't remove
7067 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7069 * tree-vrp.c (cfg_loops): Removed.
7070 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
7071 Use current_loops instead of cfg_loops. Pass flags to
7072 loop_optimizer_init.
7073 * cfgloopmanip.c (fix_loop_structure): Update only available
7075 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
7076 loop_optimizer_init.
7077 * modulo-sched.c (build_loops_structure): Removed.
7078 (sms_schedule): Use loop_optimizer_init.
7079 * loop-init.c (loop_optimizer_init): Use flags to determine
7080 which properties of loops to prepare.
7081 (rtl_loop_init): Pass flags to loop_optimizer_init.
7082 * tree-ssa-sink.c (execute_sink_code): Ditto.
7083 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7084 * tree-ssa-pre.c (init_pre): Ditto.
7085 * cfgloop.h (LOOPS_NORMAL): New.
7086 (loop_optimizer_init): Declaration changed.
7088 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7090 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7091 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7093 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7095 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7097 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7098 * pa/t-pa64: Delete quadlib.c rule.
7099 * pa/x-ada: Revert last change.
7100 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7102 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7104 PR rtl-optimization/26087
7105 * rtlanal.c (canonicalize_condition): Do not cross basic block
7108 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7111 * config/ia64/ia64.c: Include debug.h.
7112 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7113 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7114 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7115 (process_epilogue, process_set, process_for_unwind_directive):
7116 Output unwind info only if requested. Add CFA info if requested.
7117 Add new arguments as needed. Adjust callers.
7118 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7120 (DWARF2_FRAME_INFO): Define to zero.
7121 * config/ia64/unwind-ia64.c: Remove code that compensated for
7122 the CFA offset error fixed above.
7123 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7124 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7125 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7126 -funwind-tables and -fexceptions to enable frame info.
7127 (dwarf2out_frame_init): Define initial CFA even if
7128 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7129 DWARF2_UNWIND_INFO is nonzero, not just defined.
7130 (dwarf2out_frame_finish): Output non-EH call frame info only
7131 if DWARF2_FRAME_INFO is nonzero.
7132 (convert_cfa_to_loc_list,
7133 compute_frame_pointer_to_cfa_displacement): Define even if
7134 unwind info is not supported.
7135 (gen_subprogram_die): Use the above unconditionally. Remove
7136 legacy alternate code.
7137 * toplev.c (compile_file): Compile in call to
7138 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7139 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7141 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7142 Jakub Jelinek <jakub@redhat.com>
7144 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7145 IBM extended float format long double as "g" on powerpc*-linux.
7147 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7150 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7151 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7153 2006-02-03 Jason Merrill <jason@redhat.com>
7156 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7159 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7160 on the return slot if it's an NRV.
7162 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
7164 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
7165 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
7166 rewrite_use): Do not handle USE_OUTER.
7167 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7168 add_iv_outer_candidates, may_replace_final_value,
7169 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7170 (find_interesting_uses_op): Functionality of
7171 find_interesting_uses_outer_or_nonlin moved here.
7172 (find_interesting_uses_outside): Use find_interesting_uses_op.
7174 2006-02-03 Alan Modra <amodra@bigpond.net.au>
7177 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
7179 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7180 Ulrich Weigand <uweigand@de.ibm.com>
7183 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
7184 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
7185 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
7186 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
7188 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
7189 (s390_rtx_costs): Use the new fields to calculate rtx costs.
7190 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
7191 Define secondary reloads for TFmode moves.
7192 (constant_modes): Add TFmode.
7193 (NR_C_MODES): Set to 8.
7194 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
7196 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
7197 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
7198 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
7199 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
7200 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
7201 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
7202 (FPR mode macro): Add TFmode.
7203 (DSF mode macro): New.
7204 (<de>, <dee> mode attributes): Removed.
7205 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
7206 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
7207 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
7208 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
7209 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
7210 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7211 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7212 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7213 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7214 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7215 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7216 "*negabs<mode>2", "sqrt<mode>2"):
7217 Changed <de> to <xde>. R constraint replaced by <Rf>.
7218 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7220 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7221 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7222 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7224 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7225 "extenddftf2", "extendsftf2"): New expanders.
7226 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7227 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7228 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7229 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7231 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7232 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7233 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7234 __floatditf): Add a GCC_4.1.0 symbol version tag.
7235 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7238 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7241 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7242 Use targetm.binds_local_p instead of TREE_PUBLIC.
7244 2006-02-02 Roger Sayle <roger@eyesopen.com>
7246 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7247 on INTEGER_TYPEs to indicate that it denotes a character type.
7248 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7249 signed_char_type_node, unsigned_char_type_node and char_type_node.
7250 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7251 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7252 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7254 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7255 Daniel Berlin <dberlin@dberlin.org>
7257 * tree-tailcall.c (arg_needs_copy_p): New function.
7258 (eliminate_tail_call): Use arg_needs_copy_p.
7259 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7260 (add_virtual_phis): New function.
7262 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7264 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7265 #ignore instead of #scratch for %g7 .register directive.
7267 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7269 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7272 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7274 * flow.c (calculate_global_regs_live): Assert that there aren't any
7277 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7279 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7281 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7282 bsi_after_labels iterator.
7283 * tree-if-conv.c (find_phi_replacement_condition,
7284 replace_phi_with_cond_modify_expr): Likewise.
7285 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7286 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7288 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7290 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7292 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7295 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7296 array after growing it.
7298 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7301 * fold-const.c (fold_checksum_tree): Change type of buf.
7303 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7305 * reload.c (push_secondary_reload): Initialize t_icode.
7307 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7309 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7310 -msoft-float -mlong-double-128 only issue a warning, but don't
7311 swich to DFmode long double.
7313 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7315 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7316 has a constant equivalent, iterate over equivalents for arg0,
7317 calling simplify_relational_operation and if there's a result
7318 cheaper than X, apply fold_rtx and return the result.
7320 2006-02-01 Jan Hubicka <jh@suse.cz>
7322 * opts.c (no_unit_at_a_time_default): New global variable.
7323 (decode_options): Use it.
7324 * opts.h (no_unit_at_a_time_default): Declare.
7326 2006-02-01 Paul Brook <paul@codesourcery.com>
7328 * function.c (assign_parm_setup_reg): Use function argument promotion
7330 * expr.c (expand_expr_real_1): Use function argument promotion rules
7333 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7335 * gcc.c (process_command): Change j to 'unsigned int'.
7337 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7340 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7341 Use the corrected index for the character
7342 out of the string constant.
7344 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7346 * mode-switching.c (optimize_mode_switching): Fix size
7347 allocated for bb_info[n_entities].
7349 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7351 * gcc.c (main): Correct type that is allocated for
7352 explicit_link_files.
7354 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7356 * config/s390/s390.c (init_alignment_context): Set
7357 ALIAS_SET_MEMORY_BARRIER on the MEM.
7358 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7360 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7363 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7365 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7368 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7370 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7371 * regrename.c: Ditto.
7372 * tree-ssa-loop-im.c: Ditto.
7373 * tree-dump.c: Ditto.
7374 * tree-complex.c: Ditto.
7375 * genrecog.c: Ditto.
7376 * tree-ssa-threadupdate.c: Ditto.
7378 * java/class.c: Ditto.
7379 * java/jcf-parse.c: Ditto.
7380 * java/resource.c: Ditto.
7381 * java/except.c: Ditto.
7382 * java/jvspec.c: Ditto.
7383 * java/jcf-write.c: Ditto.
7384 * java/jcf-path.c: Ditto.
7385 * java/gjavah.c: Ditto.
7386 * java/zextract.c: Ditto.
7387 * java/jcf-io.c: Ditto.
7388 * java/jcf.h: Ditto.
7389 * java/buffer.c: Ditto.
7390 * java/lang.c: Ditto.
7391 * java/parse-scan.y: Ditto.
7392 * java/lex.c: Ditto.
7393 * java/lex.h: Ditto.
7394 * cfgloopmanip.c: Ditto.
7395 * postreload-gcse.c: Ditto.
7396 * tree-ssa-loop-manip.c: Ditto.
7397 * postreload.c: Ditto.
7398 * tree-ssa-loop-ch.c: Ditto.
7402 * diagnostic.c: Ditto.
7404 * genoutput.c: Ditto.
7406 * cfghooks.c: Ditto.
7407 * cfgloopanal.c: Ditto.
7408 * objc/objc-act.c: Ditto.
7410 * genextract.c: Ditto.
7411 * genautomata.c: Ditto.
7412 * pretty-print.c: Ditto.
7414 * cgraphunit.c: Ditto.
7417 * haifa-sched.c: Ditto.
7418 * dominance.c: Ditto.
7420 * tree-ssa-loop-ivopts.c: Ditto.
7422 * mode-switching.c: Ditto.
7423 * modulo-sched.c: Ditto.
7425 * ipa-pure-const.c: Ditto.
7427 * fix-header.c: Ditto.
7429 * tree-stdarg.c: Ditto.
7430 * ipa-utils.c: Ditto.
7431 * loop-init.c: Ditto.
7432 * ipa-inline.c: Ditto.
7435 * alloc-pool.c: Ditto.
7436 * dwarf2out.c: Ditto.
7438 * genattrtab.c: Ditto.
7439 * tree-ssa-loop-ivcanon.c: Ditto.
7443 * fortran/gfortranspec.c: Ditto.
7445 * local-alloc.c: Ditto.
7446 * langhooks.c: Ditto.
7447 * function.c: Ditto.
7448 * tree-vectorizer.c: Ditto.
7450 * ipa-type-escape.c: Ditto.
7452 * tree-if-conv.c: Ditto.
7455 * tree-data-ref.c: Ditto.
7456 * loop-unroll.c: Ditto.
7457 * treelang/treetree.c: Ditto.
7460 * ggc-common.c: Ditto.
7462 * coverage.c: Ditto.
7464 * tree-cfgcleanup.c: Ditto.
7465 * tree-ssa-pre.c: Ditto.
7466 * cfgcleanup.c: Ditto.
7467 * loop-invariant.c: Ditto.
7469 * ipa-prop.c: Ditto.
7470 * print-tree.c: Ditto.
7471 * conflict.c: Ditto.
7472 * ggc-page.c: Ditto.
7473 * sched-deps.c: Ditto.
7474 * regclass.c: Ditto.
7475 * tree-object-size.c: Ditto.
7477 * bb-reorder.c: Ditto.
7478 * resource.c: Ditto.
7479 * var-tracking.c: Ditto.
7481 * df-problems.c: Ditto.
7482 * reg-stack.c: Ditto.
7485 * sched-rgn.c: Ditto.
7486 * tree-ssa-structalias.c: Ditto.
7487 * tree-ssa-reassoc.c: Ditto.
7488 * config/darwin-c.c: Ditto.
7489 * config/darwin.c: Ditto.
7490 * config/arm/arm.c: Ditto.
7492 * collect2.c: Ditto.
7495 2006-01-31 Nicolas Pitre <nico@cam.org>
7497 * arm.md (smaxsi3): Make aware of smax_m1.
7500 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7502 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7504 2006-01-31 Richard Guenther <rguenther@suse.de>
7506 * doc/invoke.texi (-msselibm): Document.
7507 * target.h (expand_library_builtin): New target hook.
7508 * builtins.c (expand_builtin): Use expand_library_builtin.
7509 (default_expand_library_builtin): New function.
7510 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7511 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7512 (link_gcc_math_spec): Declare.
7513 (static_specs): Add link_gcc_math_spec.
7514 * expr.h (default_expand_library_builtin): Declare.
7515 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7516 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7517 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7518 * config/i386/i386.opt (msselibm): New target option.
7519 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7520 (ix86_init_sse_abi_builtins): New function.
7521 (ix86_expand_library_builtin): Likewise.
7522 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7523 (override_options): Handle error conditions wrt -msselibm.
7524 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7525 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7526 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7529 2006-01-31 Richard Guenther <rguenther@suse.de>
7530 Paolo Bonzini <bonzini@gnu.org>
7532 * doc/install.texi (--disable-libgcc-math): Document.
7534 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7536 * expr.h (expand_normal): new inline function.
7537 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7539 * dwarf2out.c: use it.
7544 * config/sparc/sparc.c: use it.
7545 * config/i386/i386.c: use it.
7546 * config/rs6000/rs6000.c: use it.
7547 * config/arm/arm.c: use it.
7548 * config/mips/mips.c: use it.
7549 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7551 2006-01-30 Roger Sayle <roger@eyesopen.com>
7553 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7554 argv to the appropriate type.
7556 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7558 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7561 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7564 * config/s390/s390.c (struct machine_function): New flag
7565 decomposed_literal_pool_addresses_ok_p.
7566 (s390_reorg): Set it before final stage of literal pool transforms.
7567 (s390_decompose_address): Only accept displacements of the form
7568 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7570 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7572 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7573 the comparison routine return.
7575 2006-01-30 Michael Matz <matz@suse.de>
7577 * global.c (find_reg): Only evict for global regs.
7578 Take n_refs into account and dump more info.
7580 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7583 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7584 (pragma_trap, pragma_nosave_low_regs): Likewise.
7585 (current_function_anonymous_args): Likewise.
7586 (sh_deferred_function_attributes): New variable.
7587 (sh_deferred_function_attributes_tail): Likewise.
7588 (print_operand): For '@', look up trap_exit attribute.
7589 (calc_live_regs): Look up trapa_handler attribute. For trapa
7590 handlers, save/restore fpscr, but don't do any other
7591 interrupt-specific saves.
7592 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7593 Fix check for partially saved registers to check for SHmedia.
7594 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7595 (sh_output_function_epilogue): Don't clear any of the removed
7597 (sh_insert_attributes): Don't check pragma_interrupt.
7598 Insert deferred attributes. Check that interrupt attribute is
7599 present for other attributes that require its presence.
7600 (sh_attribute_table): Add new attributes trapa_handler and
7602 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7603 Don't check for pragma_interrupt. Don't store argument.
7604 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7605 (sh_deferred_function_attributes): Declare.
7606 (sh_deferred_function_attributes_tail): Likewise.
7607 * sh.md (sp_switch_1): Add operand. Change generator caller.
7608 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7609 (*return_i): Don't use when trap_exit attribute is in effect.
7610 (*return_trapa): New insn pattern.
7612 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7613 setting c_target_objs and cxx_target_objs.
7614 * t-sh: Add rule for sh-c.o.
7616 2006-01-30 Richard Guenther <rguenther@suse.de>
7619 * gimplify.c (gimplify_target_expr): Handle easy cases
7620 without creating a temporary.
7622 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7624 * vec.h (safe_grow): Remove duplicated line.
7626 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7629 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7630 (expand_omp): ... here.
7631 (expand_omp_parallel): Only remove barriers for combined
7632 parallel+workshare constructs.
7634 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7638 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7639 * tree.c (build_qualified_type): Chain the new type to the original
7640 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7641 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7642 (build_pointer_type_for_mode): Only return unqualified types.
7643 (build_reference_type_for_mode): Likewise.
7645 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7647 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7648 * Makefile.in (CXX_COMPAT_WARN): Define.
7649 * configure: Regenerate.
7651 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7654 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7657 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7659 * toplev.c: Fix thinko.
7661 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7662 Marcin Dalecki <martin@dalecki.de>
7664 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7665 (push_srcloc): Use XNEW.
7666 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7668 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7670 * df-core.c (df_set_blocks): Deleted all variable.
7672 2006-01-28 Ian Lance Taylor <ian@airs.com>
7674 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7675 cgraph_output_pending_asms.
7677 2006-01-28 Zack Weinberg <zackw@panix.com>
7679 * c.opt: Add -W(no-)overlength-strings.
7680 * doc/invoke.texi: Document it.
7681 * c-opts.c (c_common_handle_option): -pedantic implies
7682 -Woverlength-strings, if not explicitly disabled already.
7683 (c_common_post_options): -Woverlength-strings defaults to off, and
7684 is always off for C++.
7685 * c-common.c (fix_string_type): Issue warning about strings longer
7686 than is portable only if warn_overlength_strings. Rearrange code
7687 a little for clarity.
7688 * configure.in: Check for -Wno-overlength-strings as well before
7689 enabling -pedantic in stage 1.
7690 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7691 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7693 * genconditions.c (write_header, write_one_condition)
7694 (write_conditions, write_writer): Consolidate very long strings
7695 that were broken up to fit in C89 portable limit. Don't use
7696 printf when fputs will do.
7698 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7700 * combine.c (simplify_comparison <AND>): Check
7701 TRULY_NOOP_TRUNCATION before start using a subreg.
7703 * config/mips/mips.md (*branch_zero<mode>,
7704 *branch_zero<mode>_inverted, *branch_equality<mode>,
7705 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7706 Remove mode check from comparisons.
7708 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7710 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7712 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7714 * expmed.c (const_mult_add_overflow_p): Remove.
7715 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7717 * recog.c (validate_replace_rtx_subexp): Remove.
7718 * recog.h: Remove the prototype for
7719 validate_replace_rtx_subexp.
7721 * integrate.h: Remove the prototype for
7722 copy_decl_for_inlining.
7723 * rtl.h: Remove the prototype for mark_constant_function.
7724 * tree-vectorizer.h: Remove the prototype for
7725 vect_strip_conversion.
7727 * modulo-sched.c (create_partial_schedule,
7728 free_partial_schedule, reset_partial_schedule): Make them
7731 * hooks.c (hook_bool_rtx_int_false): Remove.
7732 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7734 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7736 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7737 and -mlong-double-128 are incompatible.
7738 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7739 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7740 (TARGET_LIBGCC2_CFLAGS): Define.
7741 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7742 (TARGET_LIBGCC2_CFLAGS): Same.
7743 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7745 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7748 * c-typeck.c (build_binary_op): Perform implicit casts of
7749 operands before shortening them.
7751 * cfgloopmanip.c (split_loop_bb): Remove.
7752 * cfgloop.h: Remove the prototype for split_loop_bb.
7754 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7755 * cfgloop.h: Remove the prototype for
7756 flow_loop_outside_edge_p.
7758 * emit-rtl.c (init_virtual_regs): Make it static.
7759 * function.h: Remove the prototype for init_virtual_regs.
7761 * recog.c (peephole2_optimize): Make it static.
7762 * recog.h: Remove the prototype for peephole2_optimize.
7764 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7766 * df-scan.c (df_record_entry_block_defs): Check if
7767 INCOMING_RETURN_ADDR_RTX is defined.
7769 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7770 Kenneth Zadeck <zadeck@naturalbridge.com>
7772 PR rtl-optimization/24762
7773 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7774 * targhooks.c (hook_void_bitmap): New hook prototype.
7775 * targhoohs.h (hook_void_bitmap): Ditto.
7776 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7777 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7778 * target.h (live_on_entry): New function pointer.
7779 * df-scan.c (df_all_hard_regs): Removed.
7780 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7781 (df_scan_free_internal): Added df->entry_block_defs.
7782 (df_scan_alloc): Ditto.
7783 (df_scan_dump): Ditto.
7784 (df_uses_record): Plumbed flag field properly thru calls.
7785 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7786 This part fixes PR24762.
7787 (df_bb_refs_record): Added code to make the frame and arg
7788 pointers live in EH blocks.
7789 (df_refs_record): Added call to df_record_entry_block_defs.
7790 (df_record_entry_block_defs): New function.
7791 * df-core.c: Added comments to describe new artifical defs.
7792 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7793 (entry_block_defs): New field in struct df.
7794 (df_all_hard_regs): Deleted.
7795 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7796 * df-problems.c (df_ru_bb_local_compute_process_def):
7797 Added code to handle artifical defs in the entry to a function.
7798 (df_ru_bb_local_compute): Ditto.
7799 (df_rd_bb_local_compute_process_def): Ditto.
7800 (df_rd_bb_local_compute): Ditto.
7801 (df_lr_bb_local_compute): Ditto.
7802 (df_ur_bb_local_compute): Ditto.
7803 (df_urec_bb_local_compute): Ditto.
7804 (df_chain_create_bb): Ditto.
7805 (df_ur_local_finalize): Removed entry.
7806 (df_urec_init): Ditto.
7807 (df_urec_local_finalize): Ditto.
7808 (df_ri_bb_compute): Added detection of last use of pseudos.
7809 * Makefile.in (df-scan.o): Updated dependencies.
7810 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7811 * config/mips/mips.c (mips_set_live_on_entry): Added.
7812 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7814 * dce.c (marked_insn_p): Added code to handle artifical defs.
7816 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7818 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7820 (_mm_cvtsi128_si64): Likewise.
7821 (_mm_cvtsd_si64): Likewise.
7822 (_mm_cvttsd_si64): Likewise.
7823 (_mm_cvtsi64_sd): Likewise.
7824 (_mm_cvtsi64_si128): Likewise.
7825 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7826 (_mm_cvtsi64_m64): Likewise.
7827 (_m_to_int64): Likewise.
7828 (_mm_cvtm64_si64): Likewise.
7829 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7830 (_mm_cvttss_si64): Likewise.
7831 (_mm_cvtsi64_ss): Likewise.
7832 (_mm_cvtss_f32): Likewise.
7834 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7836 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7837 for pragma redefine_extname.
7839 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7842 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7843 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7844 -mno-minimal-toc to previous content.
7845 (bispecs): Remove goal.
7846 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7847 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7848 compatibility aliases on powerpc-*-*gnu*.
7849 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7850 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7851 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7852 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7853 (ldblspecs): New goal.
7854 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7855 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7857 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7858 L_sf_to_tf or L_df_to_tf is defined.
7860 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7861 Alan Modra <amodra@bigpond.net.au>
7864 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7865 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7866 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7867 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7868 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7869 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7870 (rs6000_override_options): Initialize rs6000_ieeequad.
7871 Initialize TFmode format to ibm_extended_format if not
7873 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7875 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7876 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7877 (function_arg_advance): IBM long double passed in two FPRs, not
7879 (function_arg): IBM long double passed in FPRs.
7880 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7881 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7882 Only multireg GPR aligned.
7883 (rs6000_init_libfuncs): Enable IBM long double functions if not
7885 (rs6000_generate_compare): Use IBM long double compare if not
7887 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7888 (TARGET_IEEEQUAD): Define.
7889 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7890 not TARGET_IEEEQUAD.
7891 * config/rs6000/rs6000.md: Enable TFmode patterns if
7893 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7894 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7895 and -mlong-double-128 are incompatible.
7896 * doc/invoke.texi (-mabi): Collect options together. Add
7897 ibmlongdouble and ieeelongdouble.
7899 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7901 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7903 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7904 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7905 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7906 * rtl.h (rtunion_def): Remove rt_ptr.
7908 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7909 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7910 * config/i386/winnt.c (i386_pe_mark_dllexport)
7911 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7913 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7915 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7917 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7921 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7922 pthread_key_delete. From John David Anglin. gthrw-ify
7923 pthread_getunique_np only if it it's not a macro. Delete
7925 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7926 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7927 __gthread_objc_condition_signal, __gthread_key_delete): Add
7928 "__attribute__ ((__unused__))" to unused arguments.
7929 (__gthread_recursive_mutex_init_function): Add missing return.
7930 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7931 gthr-posix95.h: Use macro-based approach for name redirection
7932 on targets missing weakref.
7934 2006-01-26 Zack Weinberg <zackw@panix.com>
7936 * genconditions.c (write_header): In generated code, #ifdef out
7937 all includes and fake declarations, except includes of bconfig.h
7938 and system.h, unless GCC_VERSION >= 3001. Do not include
7939 gensupport.h in any case.
7940 (write_conditions): Generate a definition of struct c_test. Add
7941 a comment to the generated #endif.
7942 (write_one_condition): Escape backslashes in string too.
7943 (write_writer): Generated code must escape backslashes and quote
7944 marks (but not newlines) in the strings it writes.
7945 * Makefile.in (build/gencondmd.o): Update dependencies.
7947 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7950 * Makefile.in (insn-automata.o): Add header file dependencies.
7951 * genautomata.c: Add includes.
7953 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7956 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7958 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7960 * configure.ac: Expect target tools paths to be passed from the toplevel
7961 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7963 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7965 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7968 * c.opt (Wpointer-sign): Init to -1.
7969 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7970 OPT_pedantic, to 0 otherwise.
7971 * doc/invoke.texi: Update.
7973 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7975 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7976 constants provided by 80387 instructions in the destination mode.
7978 2006-01-26 Richard Guenther <rguenther@suse.de>
7979 Andrew Pinski <pinskia@physics.uc.edu>
7982 partial PR tree-opt/17064
7983 * tree-ssa-structalias.c (intra_create_variable_infos):
7984 Create heap variables for incoming parameters if
7985 flag_argument_noalias > 1.
7986 (find_what_p_points_to): Look through default defs of
7989 2006-01-26 Jeff Law <law@redhat.com>
7992 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7993 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7994 within the VR_RANGE, use the VR_RANGE as the result, not the
7996 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7997 bounds for the type.
7999 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8001 * tree-ssa-alias.c (maybe_create_global_var): Change
8002 subvar walking to an assertion that we don't have subvar'd variables.
8004 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8007 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8008 Use a new variable, inner. PARM_DECLs are always non-weak.
8010 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
8012 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
8015 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
8017 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8019 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8021 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8022 (smax_insn, smin_insn, smax_0, smin_0): New.
8024 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8027 * config/cris/cris.c (cris_order_for_addsi3): New function.
8028 * config/cris/cris-protos.h: Prototype it.
8029 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8030 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8031 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8032 (split for "op.S1 [rx=rx+i],ry (swapped)")
8033 (split for "op(s|u).S1 [rx=rx+i],ry")
8034 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8035 Apply cris_order_for_addsi3 when generating addsi3 insns.
8037 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8039 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8040 (TREE_BLOCK): Add call to EXPR_CHECK.
8042 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8045 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8046 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8047 (dump_omp_clauses): ... here.
8048 (dump_generic_node): Handle OMP_CLAUSE.
8049 * tree.c (omp_clause_num_ops): New.
8050 (omp_clause_code_name): New.
8051 (tree_code_size): Handle OMP_CLAUSE.
8052 (tree_size): Likewise.
8053 (make_node): Document handling of OMP_CLAUSE.
8054 (tree_node_structure): Handle OMP_CLAUSE.
8055 (omp_clause_check_failed): New.
8056 (omp_clause_range_check_failed): New.
8057 (omp_clause_operand_check_failed): New.
8058 (build_omp_clause): New.
8059 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8060 * tree.h (enum omp_clause_code): Declare.
8061 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8062 (OMP_CLAUSE_RANGE_CHECK): Define.
8063 (OMP_CLAUSE_ELT_CHECK): Define.
8064 (omp_clause_check_failed): Declare.
8065 (omp_clause_operand_check_failed): Declare.
8066 (omp_clause_range_check_failed): Declare.
8067 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
8068 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
8069 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
8070 (OMP_CLAUSE_LASTPRIVATE): Likewise.
8071 (OMP_CLAUSE_IF_EXPR): Likewise.
8072 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
8073 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
8074 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
8075 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
8076 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8077 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8078 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8079 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8080 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8081 (OMP_CLAUSE_CODE): Define.
8082 (OMP_CLAUSE_SET_CODE): Define.
8083 (OMP_CLAUSE_CODE): Define.
8084 (OMP_CLAUSE_OPERAND): Define.
8085 (struct tree_omp_clause): Declare.
8086 (union tree_node): Add field 'omp_clause'.
8087 * treestruct.def (TS_OMP_CLAUSE): Define.
8088 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8089 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8090 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8091 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8092 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8093 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8094 (OMP_CLAUSE): Define.
8095 * print-tree.c (print_node): Handle OMP_CLAUSE.
8096 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8097 * c-typeck.c: Likewise.
8098 * gimplify.c: Likewise.
8099 * c-omp.c: Likewise.
8100 * tree-nested.c: Likewise.
8101 * tree-inline.c: Likewise.
8102 * c-parser.c: Likewise.
8103 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8106 2006-01-25 Roger Sayle <roger@eyesopen.com>
8108 PR rtl-optimization/25703
8109 * combine.c (try_combine): Handle zero_extract and strict_low_part
8110 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8112 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8114 * global.c: Fix comment typos.
8116 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8119 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8120 Use output_addr_const instead of assemble_name.
8122 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8124 * Makefile.in (sched-vis.o): Update dependencies.
8125 * haifa-sched.c (sched_finish): Clear current_sched_info.
8126 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8127 (dump_flow_info): Call it.
8128 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8130 * basic-block.h (dump_bb_info): Declare.
8131 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8132 option, and apply options only for dump files whose TDF_RTL,
8133 TDF_TREE, or TDF_IPA bits match.
8134 * rtl.h: Declare new functions exported from sched-vis.c.
8135 * sched-vis.c: Enable also if scheduling is not used.
8136 (print_value): Print the mode of registers if not inside scheduling.
8137 (print_insn): Make it work outside the scheduler. Beautify the output
8139 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8141 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8143 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8144 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8145 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8146 depending on the value of CONSTANT_POOL_ADDRESS_P.
8147 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8149 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8150 rather than SYMBOL_REF_DECL.
8151 (rtx_constant_pool): Remove const_rtx_sym_htab.
8152 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8153 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8154 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8155 Remove handling of const_rtx_sym_htab.
8156 (find_pool_constant): Delete.
8157 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8158 rather than find_pool_constant.
8159 (get_pool_constant_for_function): Delete.
8160 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8162 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
8163 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
8164 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
8165 (SYMBOL_REF_CONSTANT): New macro.
8166 (get_pool_constant_for_function): Delete.
8167 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8168 rather than SYMBOL_REF_DECL.
8169 (i386_pe_mark_dllimport): Likewise.
8170 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8171 rather than SYMBOL_REF_DECL.
8172 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8173 (machopic_indirect_call_target): Likewise.
8175 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
8177 * flow.c (delete_noop_moves): Add missing EOL to dump message.
8179 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8181 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
8183 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
8185 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
8187 2006-01-24 David Daney <ddaney@avtrex.com>
8190 * configure.ac (enable_tls): New enable option.
8191 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
8192 * configure: Regenerate.
8193 * doc/install.texi (--enable-tls): Document new option.
8194 (--disable-tls): Ditto.
8196 2006-01-24 Richard Henderson <rth@redehat.com>
8198 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
8199 * alias.c (true_dependence): Respect it.
8200 (canon_true_dependence, write_dependence_p): Likewise.
8201 * builtins.c (get_builtin_sync_mem): Set it.
8203 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
8205 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
8208 2006-01-24 DJ Delorie <dj@redhat.com>
8210 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8211 for storing constants in single-bit bitfields.
8213 2006-01-25 Ben Elliston <bje@au.ibm.com>
8215 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8217 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8220 * tree-ssa-pre.c (phi_translate): Return NULL
8221 for AGGREGATE_TYPE's.
8223 2006-01-24 Zack Weinberg <zackw@panix.com>
8225 * genautomata.c (process_state_for_insn_equiv_partition):
8226 Use xcalloc for insn_arcs_array.
8227 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8228 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8230 2006-01-24 Richard Henderson <rth@redhat.com>
8232 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8235 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8237 PR rtl-optimization/25890
8238 PR rtl-optimization/25905
8239 * combine.c (expand_compound_operation, expand_field_assignment):
8240 Fail if the bitfield's final position is out of bounds.
8242 2006-01-24 Ian Lance Taylor <ian@airs.com>
8245 * cgraphunit.c (cgraph_output_in_order): Don't clear
8246 cgraph_asm_nodes until after asm strings have been output.
8248 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8250 * fix-header.c (read_scan_file): Add new parameter imultilib when
8251 calling register_include_chains.
8253 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8255 * omp-low.c: Update documentation.
8257 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8258 Daniel Berlin <dberlin@dberlin.org>
8262 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8263 return from the function.
8265 2006-01-22 Zack Weinberg <zackw@panix.com>
8267 * rtl.def (match_code): Add second argument.
8268 * genpreds.c (write_extract_subexp): New function.
8269 (write_match_code): Add path argument. Use write_extract_subexp.
8270 (write_predicate_expr): Pass path to write_match_code.
8271 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8272 not perform a mode test.
8273 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8274 a subexpression does not constrain the top-level code set.
8275 * read-rtl.c (read_rtx_variadic): New function.
8276 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8277 * doc/md.texi: Document new notation.
8278 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8279 (cmpsi_operand): ... here, using new notation.
8281 2006-01-22 Zack Weinberg <zackw@panix.com>
8283 * varray.c: Remove GENERATOR_FILE #ifdefs.
8285 2006-01-22 Zack Weinberg <zackw@panix.com>
8287 * genautomata.c (output_reserved_units_table): Emit nothing if
8288 description->query_units_num is zero. Remove extra blank line.
8289 (output_cpu_unit_reservation_p): Short circuit
8290 if description->query_units_num is zero.
8292 2006-01-22 Zack Weinberg <zackw@panix.com>
8294 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8295 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8296 nor any of the random handful of variables that used to be necessary
8297 when this program was linked with rtlanal.o. Prune set of forward
8298 function declarations.
8299 (struct attr_desc): Remove static_p field.
8300 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8301 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8302 (attr_string): Do not read the character one past the length of
8304 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8305 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8306 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8307 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8308 (make_automaton_attrs): New.
8309 (main): Do not call into genautomata. Call local gen_bypass
8310 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8311 Remove special case for insn_alts.
8312 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8313 varray.h (leftover from previous change). Prune set of forward
8314 function declarations. Remove state_alts fields from all
8315 structures. Remove state_alts_table from struct automaton.
8316 Make everything except main static. Do not maintain num_dfa_decls.
8317 Do not maintain state_alts fields of various structures.
8318 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8319 (add_arc): Remove state_alts argument. All callers updated.
8320 (output_reserved_units_table): Emit #ifdef here...
8321 (output_tables): ...not here. Don't generate state_alts tables.
8322 (expand_automata): Don't generate attributes.
8323 (write_automata): Don't generate state_alts functions.
8324 (main): New function.
8325 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8326 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8327 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8328 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8329 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8330 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8331 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8332 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8334 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8335 * genattrtab.h: Delete file.
8336 * Makefile.in (OBJS-common): Add insn-automata.o.
8337 (insn-automata.o): New rule.
8338 (simple_generated_c): Add insn-automata.c.
8339 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8340 (genprogmd): Add automata.
8341 (build/genattrtab): Needs no extra objects nor libraries.
8342 (build/genautomata): Needs build/vec.o and -lm.
8344 2006-01-22 Zack Weinberg <zackw@panix.com>
8346 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8347 (output_dfa_max_issue_rate, locked_states_num): Delete.
8348 (struct automaton): Add locked_states field.
8349 (output_dead_lock_vect): Save number of locked states in
8350 automaton->locked_states. If it is zero, don't print anything.
8351 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8352 (output_internal_dead_lock_func): Only test the dead_lock_vect
8353 for automata that have locked states.
8354 (output_statistics): Always print the number of locked states for
8355 each automaton. Calculate total number of locked states here.
8356 (write_automata): Don't call output_dfa_max_issue_rate.
8357 * genattrtab.c: Define length_unit_log as a const variable.
8358 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8359 max_insn_queue_index const.
8360 * final.c (length_unit_log): Declare const.
8361 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8363 2006-01-22 Zack Weinberg <zackw@panix.com>
8365 * genautomata.c: Include vec.h, not varray.h.
8366 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8367 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8368 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8369 VEC_* macros operating on appropriately typed vectors, or to
8370 malloced arrays when the size is known in advance. Const-ify
8371 many char* variables and function arguments. No functional changes.
8372 * Makefile.in (build/varray.o): Delete rule.
8373 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8374 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8376 2006-01-22 Zack Weinberg <zackw@panix.com>
8378 * gensupport.c: Define get_insn_name and record_insn_name here.
8379 (read_md_rtx): Call record_insn_name as appropriate.
8380 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8381 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8382 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8384 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8385 (BUILD_VARRAY): Delete.
8386 (genprognormal): Rename genprogmd. Fold in all programs from
8387 genprognoprint; also attrtab.
8388 (build/genattrtab): Just mention genautomata.o and varray.o.
8389 Reorganize a bit, add comments to make the categories clearer.
8391 2006-01-22 Zack Weinberg <zackw@panix.com>
8393 * genconditions.c (condition_table, add_condition): Delete.
8394 (write_conditions): Don't emit n_insn_conditions nor
8395 insn_elision_unavailable. Issue the gcc version #ifdef here,
8396 inside the table, with no #else clause ...
8397 (write_header): ...not here.
8398 (write_writer): New function.
8399 (main): Don't initialize condition_table. Use add_c_test.
8401 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8402 files on the command line.
8403 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8404 Return -1 if there is no entry in the table, don't abort.
8405 (add_c_test, traverse_c_tests): New functions.
8406 * gensupport.h (insn_elision_unavailable, insn_conditions)
8407 (n_insn_conditions): Delete declarations.
8408 (add_c_test, traverse_c_tests): Declare.
8409 * read-rtl.c: Include gensupport.h.
8410 (read_conditions): New function.
8411 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8412 (read_rtx_1): If we get EOF when we were looking for an initial
8413 open paren, return 0. Call read_conditions when appropriate.
8414 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8415 dummy-conditions.o. Eliminate references to insn-conditions.o,
8416 or change them to build/gencondmd.o, as appropriate. Remove
8417 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8418 from $(simple_generated_c). For all files remaining in those
8419 two lists, add insn-conditions.md to the generator command line.
8420 Give insn-constants.h/s-constants their own rules. Add rules
8421 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8422 (build/read-rtl.o): Depend on gensupport.h.
8423 (genprognormal): Include preds.
8424 (genprogearly): Rename genprognoprint; only difference is now that
8425 they don't link with $(BUILD_PRINT).
8426 * dummy-conditions.c: Delete.
8428 2006-01-22 Zack Weinberg <zackw@panix.com>
8430 * genextract.c: Don't include insn-config.h. Do include vec.h.
8431 Declare vectors of int, char, and locstr.
8432 (locstr): New typedef.
8433 (struct extraction): Make all array fields into bare pointers.
8434 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8435 (insn_code_number): Delete.
8436 (accum_extract): New struct.
8437 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8438 (gen_insn): Take insn_code_number as an argument. Use an
8439 accum_extract structure instead of loading data directly into
8440 a struct extraction, and having to know how big it might get.
8441 (walk_rtx): Operate entirely on an accum_extract structure.
8442 (print_path): Avoid unnecessary use of printf.
8443 (print_header): New function, split out of main. Distinguish
8444 more carefully between an unrecognizable insn and an insn that
8445 has the code number of a define_expand.
8446 (main): Pass insn_code_number to gen_insn. Call print_header
8447 only after parsing. Avoid unnecessary use of printf.
8448 * Makefile.in (build/vec.o): New rule.
8449 (build/genextract): Depend on build/vec.o.
8450 (build/genextract.o): Don't depend on insn-config.h.
8452 2006-01-22 Zack Weinberg <zackw@panix.com>
8454 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8455 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8456 practical. Eliminate per-generator-program link rules.
8458 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8461 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8462 with a call expr to ...
8463 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8465 2006-01-23 Richard Guenther <rguenther@suse.de>
8467 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8468 before make_edge with conditional EDGE_TRUE_VALUE.
8470 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8471 Jan Hubicka <jh@suse.cz>
8472 Richard Guenther <rguenther@suse.de>
8474 PR rtl-optimization/25654
8475 * cfgexpand.c (aggregate_contains_union_type): New function.
8476 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8477 for structure variables that contain a union type.
8479 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8481 * gengtype.c (new_structure): Return the structure.
8482 (create_option): Add an extra "next" argument.
8483 (create_field): New function.
8484 (adjust_field_rtx_def): Use create_option and create_field.
8485 Remove a now-unnecessary call to find_structure.
8486 (adjust_field_tree_def): Likewise.
8487 (note_yacc_type): Remove an unnecessary call to find_structure.
8488 * gengtype.h (new_structure): Return the structure.
8489 (create_option): Add an extra argument.
8490 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8491 (option): Adjust calls to create_option.
8493 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8495 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8497 2006-01-22 Paul Brook <paul@codesourcery.com>
8498 Peter Barada <peter@the-baradas.com>
8500 * config/m68k/m68k.md: Add Coldfire FPU support.
8501 Define FP mode macro and associated attributes.
8502 Use it for float mode patterns.
8503 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8504 (LIBCALL_VALUE): Use m68k_libcall_value.
8505 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8506 (m68k_function_value): Ditto.
8507 (emit_move_sequence): Ditto.
8508 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8509 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8510 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8511 (MULTILIB_EXCEPTIONS): Ditto.
8512 * config/m68k/m68k.opt: Add mcfv4e.
8513 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8514 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8515 (m68k_output_function_prologue): Save ColdFire FPU registers.
8516 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8517 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8518 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8519 ColdFire FPU registers.
8520 (m68k_libcall_value, m68k_function_value): New functions.
8521 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8522 (LIBCALL_VALUE): Use m68k_libcall_value.
8523 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8524 (MASK_COLDFIRE): Add MASK_CFV4E.
8525 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8526 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8527 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8528 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8529 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8530 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8531 * doc/invoke.tex: Document -mcfv4e on m68k.
8533 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8535 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8538 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8541 * c-opts.c (c_common_handle_option): Don't include
8542 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8543 * doc/invoke.texi (C++ Dialect Options): Document that
8544 -Wnon-virtual-dtor is no longer included in -Wall.
8546 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8548 * gcov.c (print_version), gcov-dump.c (print_version),
8549 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8552 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8554 * df-scan.c (problem_SCAN): Added NULL reset function.
8555 (df_scan_reset_blocks): Added code to call reset block function
8556 (df_bb_refs_delete) Fixed comment.
8557 (df_insn_refs_delete): Made tolerant of deleting non existent info
8558 for dataflow problems that need to be reset.
8559 * df-core.c (df_set_blocks): Ditto.
8560 * df.h (struct df_problem): Added reset_fun.
8561 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8562 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8563 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8564 functions to clear out all references to def-use or use-def chains.
8566 2006-01-21 Ben Elliston <bje@au.ibm.com>
8568 * varasm.c (assemble_real): Initialise data array.
8570 2006-01-20 Paul Brook <paul@codesourcery.com>
8572 Merge from csl-arm-branch.
8573 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8574 * config/arm/arm.md (movdi): Force operands[1] to a register
8575 if we have a non-register source.
8576 (*arm_movdi, *movdf_soft_insn): Require that one of the
8577 operands be a register.
8578 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8579 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8581 2006-01-20 DJ Delorie <dj@redhat.com>
8583 * varasm.c (initialize_constant_valid_p): Allow pointers
8584 initialized from integer constants of lesser precision.
8585 (output_constant): Allow non-int-sized pointer modes to be
8586 initialized from integer constants.
8588 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8591 * cppdefault.h (struct default_include): Add multilib flag.
8592 * cppdefault.c (cpp_include_defaults): Set it.
8593 * c.opt (-imultilib): New option.
8594 * c-opts.c (imultilib): New.
8595 (c_common_handle_option): Handle -imultilib.
8596 (c_common_post_options): Likewise.
8597 * c-incpath.c (add_standard_paths, register_include_chains):
8599 * c-incpath.h (register_include_chains): Add extra parameter.
8600 * gcc.c (do_spec_1): Generate -imultilib option.
8601 (The Specs Language): Update %I description.
8602 (process_command): Update copyright notice.
8603 * doc/cppopts.texi (-imultilib): Document.
8604 * doc/invoke.texi (-imultilib): Include in option summary.
8605 (%I): Update specs documentation.
8607 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8609 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8611 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8613 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8616 2006-01-20 Richard Guenther <rguenther@suse.de>
8617 Steven Bosscher <stevenb.gcc@gmail.com>
8619 PR rtl-optimization/24626
8620 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8621 EDGE_TRUE_VALUE if in RTL mode.
8624 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8625 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8627 2006-01-20 Dirk Mueller <dmueller@suse.com>
8630 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8631 instead of a special NOP marker.
8632 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8633 NOP marker handling.
8634 * c-common.h (empty_body_warning): Add forward declaration.
8635 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8636 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8638 2006-01-20 Paul Brook <paul@codesourcery.com>
8640 * Makefile.in (lang_checks): Keep going if mkdir fails.
8642 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8644 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8645 be able to clean out basic block when not necessary.
8646 (df_scan_free): Fixed to properly delete information if df is
8647 unused before calling df_finish.
8648 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8649 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8651 (df_bb_refs_delete): New function.
8652 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8653 * df-core.c (df_set_blocks): Added code to properly clean out
8654 unused blocks if they are not part of the blocks to consider.
8655 Added additional null check.
8656 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8657 be able to clean out basic block when not necessary
8658 * df.h (df_free_bb_function): Ditto.
8659 (df_bb_refs_delete): New function.
8660 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8661 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8662 basic block parameter to be able to clean out basic block when not
8664 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8665 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8666 Fixed to properly delete information if df is unused before
8669 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8671 PR rtl-optimization/25799
8672 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8673 Corrected confluence operator to remove bits from op2 before oring
8674 with op1 rather than removing bits from op1.
8675 (df_ru_transfer_function): Corrected test on wrong bitmap which
8676 caused infinite loop. Both of these problems were introduced in
8677 the dataflow rewrite.
8679 2006-01-19 DJ Delorie <dj@redhat.com>
8681 * reload1.c (find_reload_regs): Note the details of reload
8682 failures in the dump file.
8683 (spill_failure): Likewise.
8685 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8687 * loop-iv.c: Include df.h and hashtab.h.
8688 (enum iv_grd_result): New enum.
8689 (DF_REF_IV, DF_REF_IV_SET): New macros.
8690 (struct biv_entry): New.
8691 (df, bivs): New global variables.
8692 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8693 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8695 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8696 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8697 analyzed_for_bivness_p, record_biv): New functions.
8698 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8699 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8700 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8702 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8704 (iv_number_of_iterations): Use new interface to iv analysis.
8705 * loop-unroll.c: Do not include varray.h.
8706 (analyze_iv_to_split_insn): Use new interface to iv
8708 * loop-unswitch.c (may_unswitch_on): Ditto.
8709 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8711 (df_bb_modify): Realloc tables to the new index.
8712 (df_find_use): New function.
8713 * df.h (df_find_use): Declare.
8714 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8716 * cfgloop.h (struct rtx_iv): Remove analysed field.
8717 (iv_get_reaching_def): Removed.
8718 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8719 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8720 (loop-iv.o): Add df.h and hashtab.h dependency.
8721 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8723 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8726 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8728 (__floatundisf, __floatundidf): Likewise.
8729 * libgcc2.h (IS_IBM_EXTENDED): Define.
8731 2006-01-19 DJ Delorie <dj@redhat.com>
8733 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8735 2006-01-19 Paul Brook <paul@codesourcery.com>
8737 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8738 as nothrow when unwinding tables are disabled.
8740 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8743 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8744 of bit-field" when in system header.
8746 2006-01-19 DJ Delorie <dj@redhat.com>
8748 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8749 the 16 bit shift limit of the m16c.
8751 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8754 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8755 * config/i386/i386.c (output_set_got): Output the label if we have one
8756 for the TARGET_DEEP_BRANCH_PREDICTION case.
8758 2006-01-19 Jan Hubicka <jh@suse.cz>
8759 H.J. Lu <hongjiu.lu@intel.com>
8760 Evandro Menezes <evandro.menezes@amd.com>
8762 * invoke.texi (generic): Document
8764 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8765 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8766 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8767 (x86_use_incdec, x86_pad_returns): New variables
8768 (TARGET_CPU_DEFAULT_generic): New constant
8769 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8770 (enum processor_type): Add generic32 and generic64.
8771 * i386.md (cpu attribute): Add generic32/generic64
8772 (movhi splitter): Behave sanely when both partial_reg_dependency and
8773 partial_reg_stall are set.
8774 (K8 splitters): Enable for generic as well.
8775 * predicates.md (incdec_operand): Use TARGET_INCDEC
8776 (aligned_operand): Avoid memory mismatch stalls.
8777 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8778 * ppro.md: Enable for generic32
8779 * i386.c (generic64_cost, generic32_cost): New.
8780 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8781 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8782 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8783 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8784 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8785 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8786 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8787 x86_accumulate_outgoing_args, x86_prologue_using_move,
8788 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8789 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8791 (x86_use_incdec, x86_pad_returns): New.
8792 (override_options): Add generic32 and generic64, translate "generic"
8793 to generic32/generic64 and "i686" to "generic32", refuse
8794 "generic32"/"generic64" as arch target.
8795 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8796 (ix86_reorg): Honor PAD_RETURNS.
8798 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8800 * tree-pretty-print.c (dump_generic_node): Handle
8801 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8802 * cgraph.c (cgraph_expand_queue): Rename from
8803 cgraph_analyze_queue. Update all users.
8804 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8805 cgraph_expand_queue.
8806 (cgraph_expand_all_functions): Likewise.
8807 (cgraph_finalize_pending_functions): Remove. Update callers.
8809 * tree.h (OMP_DIRECTIVE_P): Define.
8810 (OMP_PARALLEL_FN): Define.
8811 (OMP_PARALLEL_DATA_ARG): Define.
8812 (OMP_SECTIONS_SECTIONS): Define.
8813 * tree-pass.h (pass_expand_omp): Declare.
8814 * omp-low.c (struct omp_region): Declare.
8815 (struct omp_context): Remove fields 'parallel_type',
8816 'parallel_start_ix' and 'parallel_start_additional_args'.
8818 (struct omp_for_data): Rename from struct expand_omp_for_data.
8819 (omp_regions): New static variable.
8820 (root_omp_region): New static variable.
8821 (find_omp_clause): Make static.
8822 (is_in_combined_parallel_ctx): Remove.
8823 (is_combined_parallel): New.
8824 (extract_omp_for_data): Move earlier in the file.
8825 (workshare_safe_to_combine_p): New.
8826 (get_ws_args_for): New.
8827 (determine_parallel_type): Move earlier in the file.
8828 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8830 (omp_copy_decl): Likewise.
8831 (create_omp_child_function): Likewise.
8832 (lookup_omp_region): New.
8833 (dump_omp_region): New.
8834 (debug_omp_region): New.
8835 (debug_all_omp_regions): New.
8836 (new_omp_region): New.
8837 (scan_omp_parallel): If parallel_nesting_level > 1, the
8838 directive is nested within another parallel directive.
8839 Set OMP_PARALLEL_FN.
8840 (scan_omp_for): Do not try to handle combined parallel+for
8842 Remove FIXME comment.
8843 (scan_omp_nested): Remove.
8844 (scan_omp_1): Do not call scan_omp_nested when
8845 parallel_nesting_level is > 1.
8846 Do not change the DECL_CONTEXT of local variables found.
8847 (lookup_decl_in_outer_ctx): New.
8848 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8849 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8850 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8851 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8852 If CTX is nested, lookup VAR in the outer context when
8853 building copy assignment.
8854 (lower_send_clauses): Rename from expand_send_clauses.
8855 If CTX is nested, lookup VAR in the outer context when
8856 building copy assignments.
8857 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8858 If CTX is nested, lookup VAR in the outer context when
8859 building copy assignments.
8860 (expand_parallel_call): Rename from build_parallel_call.
8861 Handle combined parallel+workshare cases.
8862 Re-implement to emit code into the CFG.
8864 (expand_omp_parallel): Re-implement to emit code into the CFG.
8865 Call move_sese_region_to_fn to outline the sub-graph
8866 containing the parallel region.
8867 (expand_omp_for_1): Remove.
8868 (expand_omp_for_generic): Re-implement to emit code into the
8870 (expand_omp_for_static_nochunk): Likewise.
8871 (expand_omp_for_static_chunk): Likewise.
8872 (expand_omp_for): Likewise.
8873 (expand_omp_sections): Likewise.
8874 (remove_exit_barriers): New.
8875 (expand_omp_synch): New.
8877 (build_omp_regions_1): New.
8878 (build_omp_regions): New.
8879 (execute_expand_omp): New.
8880 (gate_expand_omp): New.
8881 (pass_expand_omp): Define.
8882 (lower_omp_sections): Rename from expand_omp_sections.
8883 Set OMP_SECTIONS_SECTIONS.
8884 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8885 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8886 (lower_omp_single): Rename from expand_omp_simple.
8887 (lower_omp_master): Rename from expand_omp_master.
8888 (lower_omp_ordered): Rename from expand_omp_ordered.
8889 (lower_omp_critical): Rename from expand_omp_critical.
8890 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8891 (lower_omp_for): Re-implement.
8892 (lower_omp_parallel): Re-implement.
8893 (lower_regimplify): Rename from expand_regimplify.
8894 (lower_omp_1): Rename from expand_omp_1.
8895 If there are syntax errors in the program, replace every
8896 OpenMP directive with NOP.
8897 Call lower_omp_* instead of expand_omp_*.
8898 (lower_omp): Rename from expand_omp.
8900 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8901 * tree-gimple.h (enum omp_parallel_type): Remove.
8902 (gimple_boolify): Declare extern.
8903 (find_omp_clause, determine_parallel_type): Remove.
8905 * gimple-low.c (lower_omp_directive): New.
8906 (lower_stmt): Call it.
8907 (record_vars_into): Move from ...
8908 (record_vars): ... here.
8909 Call record_vars_into with current_function_decl.
8911 * gimplify.c (struct gimplify_ctx): Remove fields
8912 combined_pre_p and combined_ctxp. Update users.
8913 (get_formal_tmp_var): Add documentation.
8914 (gimple_boolify): Make extern.
8915 (gimplify_expr_in_ctx): Remove. Update callers.
8916 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8917 will always be a BIND_EXPR.
8918 (gimplify_expr): Handle OMP_RETURN_EXPR.
8919 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8920 (OMP_PARALLEL): Add 3 operands.
8921 (OMP_SECTIONS): Add 1 operand.
8922 (OMP_RETURN_EXPR): Define.
8924 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8925 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8926 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8927 creating a circular free list.
8928 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8930 * tree-flow.h (move_sese_region_to_fn): Declare.
8931 (record_vars_into): Declare.
8932 * tree-cfg.c (make_omp_sections_edges): New.
8933 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8934 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8935 OMP_SECTIONS and OMP_SECTION.
8936 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8937 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8938 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8939 (gather_blocks_in_sese_region): New.
8940 (struct move_stmt_d): Declare.
8942 (move_block_to_fn): New.
8943 (move_sese_region_to_fn): New.
8945 * passes.c (init_optimization_passes): Schedule
8946 pass_expand_omp after pass_init_datastructures.
8948 * tree-ssa-operands.c (get_expr_operands): Handle
8949 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8950 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8952 2006-01-19 Jeff Law <law@redhat.com>
8954 * tree-vrp.c (extract_range_from_assert): Refine the result range
8955 if the variable referenced by the ASSERT_EXPR has a range and
8956 either the tentative result range or the previous range is a
8959 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8961 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8963 2006-01-19 Jan Hubicka <jh@suse.cz>
8965 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8967 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8969 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8970 (expand_compound_operation, expand_field_assignment): Fail if the
8971 bit lengths of an extract operation are out of range.
8972 (make_extraction): Compute wanted_inner_mode based on the position
8973 and length of the extraction. Make it extraction_mode for non-constant
8974 positions, and do not modify offset in that case. When generating a
8975 new MEM, use a mode that can hold the extraction while keeping correct
8976 alignment. Remove code that supported MEMs wrapped by USEs.
8977 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8979 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8981 * config/s390/s390.md ("Y", "y"): New mode attribute.
8982 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8983 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8984 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8985 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8986 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8987 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8988 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8989 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8990 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8991 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8992 "addsi3", "subsi3"): Insn patterns removed.
8993 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8994 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8995 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8996 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8997 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8998 "*sub<mode>3_cconly2"): New insn patterns.
8999 ("addsi3", "subsi3"): New expanders.
9001 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9003 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9004 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9005 existing STMT_VINFO_VECTYPE if available.
9006 (vect_mark_relevant): Add special handling for stmts that are
9007 marked as STMT_VINFO_IN_PATTERN_P.
9008 (vect_analyze_loop): Call vect_pattern_recog.
9009 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
9010 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
9012 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
9013 (vect_recog_func_ptr): New function-pointer type.
9014 * tree-vect-patterns.c: New file.
9015 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
9016 (vect_recog_dot_prod_pattern, vect_pattern_recog):
9017 (vect_pattern_recog_1): New functions.
9018 (vect_pattern_recog_funcs): New array of function pointers.
9020 * tree-vectorizer.h (ternary_op): New enum value.
9021 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9022 declaration. Revised documentation. Removed redundant dump prints.
9023 Removed redundant argument. Added support for reduction patterns.
9024 (vectorizable_reduction): Added support for reduction patterns.
9025 (vect_transform_stmt): Added support for patterns.
9027 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9028 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9029 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9030 (expand_widen_pattern_expr): New function.
9031 (init_optabs): Initialize new optabs udot_prod_optab,
9033 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9034 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9035 (expand_widen_pattern_expr): New function declaration.
9036 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9038 * tree-inline.c (estimate_num_insns_1): Added cases for new
9039 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9040 * tree-pretty-print.c (dump_generic_node): Likewise.
9041 (op_prio): Likewise.
9042 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9043 * tree-ssa-operands.c (get_expr_operands): Added case for
9045 * tree-vect-patterns.c (widened_name_p): New function.
9046 (vect_recog_dot_prod_pattern): Added function implementation.
9047 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9048 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9049 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9050 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9052 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9053 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9054 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9055 (init_optabs): Initialize new optabs widen_ssum_optab,
9057 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9058 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9059 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9060 use instead of type of def.
9061 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9062 function implementation.
9063 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9064 widen_ssumv8hi): New.
9066 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
9069 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9072 * c-decl.c (add_flexible_array_elts_to_size): New function.
9073 (finish_decl): Use it.
9075 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9077 * diagnostic.h: Include options.h.
9078 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9079 dependancies for diagnostic.h.
9080 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9082 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9084 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9085 (ssa_ro_call_cache_valid): Ditto.
9086 * tree-ssa-alias.c (sort_tags_by_id): New function.
9087 (init_transitive_clobber_worklist): Ditto.
9088 (add_to_worklist): Ditto.
9089 (mark_aliases_call_clobbered): Ditto.
9090 (compute_tag_properties): Ditto.
9091 (set_initial_properties): Ditto.
9092 (compute_call_clobbered): Ditto.
9093 (compute_may_aliases): Call compute_call_clobbered and grouping.
9094 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9095 (compute_flow_insensitive_aliasing): Grouping now happens in our
9097 (setup_pointers_and_addressables): Remove clobbering related code.
9098 (add_may_alias): Ditto.
9099 (replace_may_alias): Ditto.
9100 (get_nmt_for): Ditto.
9101 (create_global_var):
9102 (is_escape_site): Return an escape_type enumeration.
9103 * tree-flow-inline.h (is_call_clobbered): Global var does not
9104 imply call clobbered.
9105 (mark_call_clobbered): Take a reason for marking this. Remove
9106 marking of globalness, and cache invalidation.
9107 (clear_call_clobbered): Remove cache invalidation code.
9108 * tree-dfa.c (dump_variable): If details is on, dump the reason
9110 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9112 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9113 (struct var_ann_d): Ditto.
9114 (enum escape_type): New.
9115 (mark_call_clobbered): Adjust prototype.
9116 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9117 are never call clobbered.
9118 Record reasons for escaping.
9119 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9120 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9121 (ssa_ro_call_cache_valid): Ditto.
9122 (clobbered_v_may_defs): Ditto.
9123 (clobbered_vuses): Ditto.
9124 (ro_call_vuses): Ditto.
9125 (clobber_stats): New.
9126 (init_ssa_operands): Zero out clobber stats.
9127 (fini_ssa_operands): Print out clobber stats.
9128 (get_call_expr_operands): Pass callee fndecl to
9130 (add_call_clobber_ops): Remove use of cache.
9131 Add use of PURE_CONST information.
9132 (add_call_read_ops): Remove use of cache.
9133 Add use of static not_read information.
9135 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9137 Introduce TLS descriptors for i386 and x86_64.
9138 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9139 (TARGET_ANY_GNU_TLS): New macro.
9140 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9141 (struct machine_function): Add tls_descriptor_call_expanded_p.
9142 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9143 (ix86_current_function_calls_tls_descriptor): Likewise.
9144 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9145 (override_options): Introduce gnu2 tls dialect.
9146 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9148 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9150 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9151 (ix86_init_machine_status): Initialize new field.
9152 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9153 (ix86_tls_module_base): New.
9154 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9155 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9156 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9157 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9158 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9159 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9160 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9161 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9162 * config/i386/predicates.md (tls_modbase_operand): New.
9163 (tp_or_register_operand): New.
9165 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
9167 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9168 (look_for_address_of): Ditto.
9169 (ipa_init): Walk the function decls.
9170 (static_execute): Don't set readonly on FUNCTION_DECL's.
9172 2006-01-18 Roger Sayle <roger@eyesopen.com>
9174 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
9175 for shifts where the source and destination registers are different.
9177 2006-01-18 Paul Brook <paul@codesourcery.com>
9179 Merge from csl-arm-branch.
9180 2005-03-14 Julian Brown <julian@codesourcery.com>
9181 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
9182 (aeabi_llsl): Likewise.
9183 (ashrdi3): Likewise.
9184 (aeabi_lasr): Likewise.
9185 (lshrdi3): Likewise.
9186 (aeabi_llsr): Likewise.
9187 2005-03-10 Julian Brown <julian@codesourcery.com>
9188 * config.gcc: Disable shared libgcc for SymbianOS.
9189 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
9191 2006-01-18 DJ Delorie <dj@redhat.com>
9193 * c-pragma.c (handle_pragma_diagnostic): New.
9194 (init_pragma): Register it.
9195 * doc/extend.texi: Document it.
9197 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
9198 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
9199 (diagnostic_context): Add classify_diagnostic[].
9200 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
9201 as errors if they're overridden to DK_WARNING.
9202 (diagnostic_initialize): Initialize classify_diagnostic[].
9203 (diagnostic_set_kind_override): New.
9204 (diagnostic_report_diagnostic): Check for kind changes.
9205 * opts.c (common_handle_option): Take lang_mask. Update callers.
9207 * common.opt (Werror=): New.
9208 * doc/invoke.texi: Document -Werror=*
9210 2006-01-18 Jeff Law <law@redhat.com>
9212 * tree-vrp.c (test_for_singularity): Correct test for new
9213 min limit. Use operand_equal_p rather than pointer equality
9214 for testing if new min/max values are equal.
9216 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9217 using range information until after propagation and folding.
9219 2006-01-18 Richard Henderson <rth@redhat.com>
9220 Aldy Hernandez <aldyh@redhat.com>
9221 Jakub Jelinek <jakub@redhat.com>
9222 Diego Novillo <dnovillo@redhat.com>
9224 * omp-low.c: New file.
9225 * c-omp.c: New file.
9227 2006-01-18 Richard Henderson <rth@redhat.com>
9228 Jakub Jelinek <jakub@redhat.com>
9229 Diego Novillo <dnovillo@redhat.com>
9231 * doc/invoke.texi: Document -fopenmp.
9232 * tree-dump.h (debug_function): Declare.
9233 * hooks.c (hook_bool_tree_bool_false): New function.
9234 (hook_tree_tree_null): Remove.
9235 (hook_tree_tree_tree_null): New.
9236 * hooks.h: Update to match.
9237 * tree-pretty-print.c (debug_tree_chain): New.
9238 (print_generic_expr): Handle TDF_CHAIN.
9239 (dump_generic_node): Handle BLOCK.
9240 Do not abort with incomplete SWITCH_EXPRs.
9241 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9242 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9243 print space after directive name.
9244 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9245 Handle OMP_MASTER and OMP_ORDERED.
9246 Handle printing of OMP_BODY just in one place, goto
9247 dump_omp_body in the rest of OMP_* nodes that have
9249 Don't handle clause nodes here. Update omp statements to
9250 use dump_omp_clauses.
9251 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9252 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9253 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9254 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9255 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9256 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9257 Adjust output for GOMP_PARALLEL.
9258 (dump_omp_clauses): New.
9259 (print_declaration): Dump DECL_VALUE_EXPR.
9260 (op_symbol_1): Split out of op_symbol.
9261 (dumping_stmts): Remove. Update all users.
9262 * cgraph.c (cgraph_analyze_queue): New.
9263 (cgraph_add_new_function): New.
9264 * cgraph.h (cgraph_analyze_queue): Declare.
9265 (cgraph_add_new_function): Declare.
9266 (cgraph_lower_function): Remove.
9267 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9268 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9269 and TYPE_P nodes in its default clause.
9270 (empty_body_p): New.
9271 (tree_range_check_failed): New.
9273 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9274 OMP_CLAUSE_REDUCTION_MERGE,
9275 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9276 OMP_CLAUSE_PRIVATE_DEBUG,
9277 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9278 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9279 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9280 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9281 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9282 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9283 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9284 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9285 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9286 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9287 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9288 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9289 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9290 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9291 (TREE_RANGE_CHECK): New.
9292 (empty_body_p): Declare.
9293 (enum omp_clause_default_kind): New.
9294 (build_string_literal): Declare.
9295 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9296 (build5_stat, build5): Declare.
9297 * tree-pass.h (TDF_CHAIN): Define.
9298 * tree-pass.h (PROP_gimple_lomp): Define.
9299 (pass_lower_omp): Declare.
9300 * diagnostic.h (debug_tree_chain): Declare.
9301 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9303 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9304 * builtins.c (build_string_literal): Make extern.
9305 * gcc.c (include_spec_function): New.
9306 (static_spec_functions): Add it.
9307 (main): Move load of libgomp.spec ...
9308 (LINK_COMMAND_SPEC): ... here.
9309 (link_gomp_spec): New.
9310 (static_specs): Include it.
9311 (LINK_COMMAND_SPEC): Add link_gomp.
9312 (GOMP_SELF_SPECS): New.
9313 (driver_self_specs): Include it.
9314 (switch_matches): Don't mark inline.
9315 (main): Load libgomp.spec.
9316 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9317 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9318 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9319 * tree-gimple.h (enum omp_parallel): Declare.
9320 (determine_parallel_type): Declare.
9321 (omp_firstprivatize_variable): Declare.
9322 (omp_reduction_init): Declare.
9323 (diagnose_omp_structured_block_errors): Declare.
9324 (struct walk_stmt_info): Add want_return_expr.
9325 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9326 (find_omp_clause): Declare.
9327 (insert_field_into_struct): Declare.
9328 (struct walk_stmt_info): Move from tree-nested.c
9329 (walk_stmts): Declare.
9330 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9332 * cgraphunit.c (cgraph_lower_function): Make static.
9333 (cgraph_finalize_pending_functions): New.
9334 (cgraph_finalize_function): Call it.
9335 (cgraph_finalize_compilation_unit): Likewise.
9336 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9337 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9338 (BT_FN_UINT_UINT): New.
9339 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9340 DEF_FUNCTION_TYPE_VAR_4): Document.
9341 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9342 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9343 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9344 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9345 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9346 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9347 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9348 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9349 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9350 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9351 into separate files.
9352 (DEF_GOMP_BUILTIN): New.
9353 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9354 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9355 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9356 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9357 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9358 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9359 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9360 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9361 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9362 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9363 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9364 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9365 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9366 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9367 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9368 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9369 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9370 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9371 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9372 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9373 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9374 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9375 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9376 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9377 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9378 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9379 * sync-builtins.def: New file, moved from builtins.def.
9380 * omp-builtins.def: New file, moved from builtins.def.
9381 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9382 * gimple-low.c (lower_function_body): Clear data.
9383 (lower_stmt): Do not handle COMPOUND_EXPR.
9384 Remove call to print_node_brief.
9385 * c-tree.h (c_finish_omp_clauses): New prototype.
9386 (C_DECL_THREADPRIVATE_P): Define.
9387 (lookup_name_no_remap, c_omp_remap_private): Remove
9388 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9389 (check_for_loop_decls): Update decl.
9390 (lookup_name_no_remap, c_omp_remap_private): Declare.
9391 (build_indirect_ref, build_modify_expr, pushdecl,
9392 pushdecl_top_level): Move to c-common.h.
9393 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9394 before the switch, but just in the 2 places that need it.
9395 * c-decl.c (diagnose_mismatched_decls): Do not check for
9396 mismatched thread-local attributes when OLDDECL is marked
9397 threadprivate and NEWDECL has no thread-local attributes.
9398 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9399 (c_gimple_diagnostics_recursively): Rename from
9400 c_warn_unused_result_recursively. Invoke
9401 diagnose_omp_structured_block_errors.
9402 (check_for_loop_decls): Return a singular decl found.
9403 * langhooks.c (lhd_omp_predetermined_sharing): Return
9404 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9405 (lhd_omp_firstprivatize_type_sizes): New.
9406 (lhd_omp_assignment): New.
9407 (lhd_omp_predetermined_sharing): New.
9408 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9409 (struct lang_hooks_for_types): Add
9410 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9411 omp_predetermined_sharing, omp_disregard_value_expr,
9412 omp_private_debug_clause, omp_clause_default_ctor,
9413 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9414 (c_finish_omp_clauses): New.
9415 (c_finish_bc_stmt): Diagnose break within omp for.
9416 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9417 (build_unary_op): Return error_mark after reporting
9419 (build_modify_expr): Likewise.
9420 * gimplify.c: Include optabs.h and pointer-set.h.
9421 (enum gimplify_omp_var_data): Declare.
9422 (struct gimplify_omp_ctx): Declare.
9423 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9425 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9426 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9427 (splay_tree_compare_decl_uid): New.
9428 (new_omp_context): New.
9429 (delete_omp_context): New.
9430 (gimple_add_tmp_var): Call omp_add_variable.
9431 (gimplify_bind_expr): Likewise.
9432 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9433 true, disregard DECL_VALUE_EXPR on the decl if any.
9434 (gimplify_expr_in_ctx): New.
9435 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9436 omp_add_variable, omp_notice_variable, omp_is_private
9437 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9438 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9439 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9440 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9441 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9442 gimplify_omp_atomic): New.
9443 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9444 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9445 OMP_CRITICAL and OMP_ATOMIC.
9446 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9447 * c-pragma.h (enum pragma_kind): Add
9448 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9449 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9450 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9451 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9452 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9453 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9454 PRAGMA_OMP_THREADPRIVATE.
9455 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9456 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9457 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9458 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9459 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9460 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9461 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9462 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9463 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9464 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9465 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9466 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9467 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9469 (struct nesting_info): Add field_map,
9470 suppress_expansion, debug_var_chain.
9471 (create_nesting_tree): Initialize them.
9472 (lookup_field_for_decl): Use field_map.
9473 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9474 (convert_local_omp_clauses): New.
9475 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9476 (walk_body): Split out of walk_function.
9477 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9478 (convert_nonlocal_reference): Handle omp statements.
9479 (convert_local_reference): Likewise.
9480 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9481 (unnest_nesting_tree): New.
9482 (lower_nested_functions): Call it.
9483 (insert_field_into_struct): Make extern.
9484 (struct walk_stmt_info): Move to tree-gimple.h.
9485 (walk_stmts): Make extern.
9486 * omp-builtins.def: New file.
9487 * tree-iterator.c (expr_only): Clarify comment.
9488 * c-common.h (pushdecl_top_level, pushdecl,
9489 build_modify_expr, build_indirect_ref,
9490 c_finish_omp_master, c_finish_omp_critical,
9491 c_finish_omp_ordered, c_finish_omp_barrier,
9492 c_finish_omp_atomic, c_finish_omp_flush,
9493 c_finish_omp_for, c_split_parallel_clauses,
9494 omp_clause_default_kind, c_omp_sharing_predetermined,
9495 c_omp_remap_decl): Declare.
9496 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9497 (OBJS-common): Add omp-low.o.
9498 (c-omp.o, omp-low.o): Add.
9499 (gimplify.o): Add dependency on $(OPTABS_H).
9500 (GTFILES): Add omp-low.c.
9501 (gt-stringpool.h): Add.
9502 * tree-cfg.c (set_bb_for_stmt): Do not update the
9503 block-to-labels map if we are currently expanding to RTL.
9504 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9506 Handle IDENTIFIER_NODE.
9507 (tree_verify_flow_info): Do not ICE when emitting error
9508 messages about invalid labels.
9509 (dump_function_to_file): Reset CFUN before emitting the body
9511 (debug_function): New.
9512 * passes.c (init_optimization_passes): Schedule
9514 * langhooks-def.h (lhd_omp_predetermined_sharing,
9515 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9517 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9518 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9519 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9520 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9521 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9522 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9523 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9524 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9525 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9526 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9527 (LANG_HOOK_DECLS): Use them.
9529 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9530 Richard Henderson <rth@redhat.com>
9531 Jakub Jelinek <jakub@redhat.com>
9532 Diego Novillo <dnovillo@redhat.com>
9534 * c-parser.c (pragma_omp_clause): Define.
9535 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9536 (c_parser_compound_statement): Likewise.
9537 (c_parser_statement): Likewise.
9538 (c_parser_pragma): Handle omp pragmas.
9539 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9540 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9541 (c_parser_omp_clause_name, check_no_duplicate_clause,
9542 c_parser_omp_variable_list,
9543 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9544 c_parser_omp_clause_copyprivate,
9545 c_parser_omp_clause_default,
9546 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9547 c_parser_omp_clause_lastprivate,
9548 c_parser_omp_clause_nowait,
9549 c_parser_omp_clause_num_threads,
9550 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9551 c_parser_omp_clause_reduction,
9552 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9553 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9554 c_parser_omp_atomic, c_parser_omp_barrier,
9555 c_parser_omp_critical, c_parser_omp_flush,
9556 c_parser_omp_for_loop, c_parser_omp_for,
9557 c_parser_omp_master, c_parser_omp_ordered,
9558 c_parser_omp_sections_scope, c_parser_omp_sections,
9559 c_parser_omp_parallel, c_parser_omp_single,
9560 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9561 * c-pragma.c (init_pragma): Do omp pragma registration here.
9562 * c.opt (fopenmp): New flag.
9564 2006-01-18 Eric Christopher <echristo@apple.com>
9566 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9567 * config/darwin.h (GOMP_SELF_SPECS): Define.
9569 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9571 * rtl.h: Remove the prototype for reg_alloc.
9573 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9576 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9577 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9578 sjlj and dwarf2 exception handling.
9579 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9580 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9581 * pa/pa.c (function_value): Treat complex and vector types as
9583 (function_arg): Likewise. Only pass scalar floats in the floating
9584 point argument registers.
9585 * pa/t-slibgcc-dwarf-ver: New file.
9586 * pa/t-slibgcc-sjlj-ver: New file.
9587 * pa/t-slibgcc-elf-ver: Delete file.
9589 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9591 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9592 unlikely_test_section_p test.
9594 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9596 * mode-switching.c (optimize_mode_switching): Make it static.
9597 * basic-block.h: Remove the prototype for
9598 optimize_mode_switching.
9600 * modulo-sched.c (sms_schedule): Make it static.
9601 * rtl.h: Remove the prototype for sms_schedule.
9603 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9604 * rtl.h: Remove the prototype for gcse_after_reload_main.
9606 * reg-stack.c (reg_to_stack): Make it static.
9607 * rtl.h: Remove the prototype for reg_to_stack.
9609 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9611 * rtl.h: Remove the prototypes for regrename_optimize and
9612 copyprop_hardreg_forward.
9614 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9616 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9617 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9618 Test against the appropriate null constant for the mode.
9619 If 'fixup_overlap' is true, swap the operands if they overlap.
9620 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9621 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9622 alpha_split_tmode_pair and adjust for above change.
9623 * config/alpha/alpha.md (movtf_internal): Adjust call to
9624 alpha_split_tfmode_pair and rely on it to swap the operands.
9625 (movti_internal): New insn and post-reload splitter.
9626 (movti): New expander.
9628 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9630 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9633 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9635 * rtlanal.c (global_reg_mentioned_p_1,
9636 global_reg_mentioned_p): Remove.
9637 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9639 * flow.c (initialize_uninitialized_subregs): Make it static.
9640 * rtl.h: Remove the prototype for
9641 initialize_uninitialized_subregs.
9643 * function.c (instantiate_virtual_regs): Make it static.
9644 * function.h: Remove the prototype for
9645 instantiate_virtual_regs.
9647 * regmove.c (regmove_optimize, combine_stack_adjustments):
9649 * rtl.h: Remove the prototypes for regmove_optimize and
9650 combine_stack_adjustments.
9652 2006-01-17 Roger Sayle <roger@eyesopen.com>
9654 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9655 (size_cost): Encode costs in bytes so that a reg-reg addition is
9656 equivalent to COSTS_N_INSNS(1).
9657 (override_options): Use the size_cost.branch_cost as the default
9658 ix86_branch_cost when optimizing for size.
9660 2006-01-18 Ben Elliston <bje@au.ibm.com>
9662 * Makefile.in (D32PBIT_FUNCS): New.
9663 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9664 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9665 D64PBIT_FUNCS and D128PBIT_FUNCS.
9666 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9667 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9669 (decnumber_dep): Define.
9670 * doc/libgcc.texi (Decimal float library routines): New node.
9671 * config/dfp-bit.h, config/dfp-bit.c: New files.
9673 2006-01-18 Ben Elliston <bje@au.ibm.com>
9675 * expr.c (emit_move_change_mode): Always adjust addresses, not
9676 just during reload. Copy replacements only during reload.
9677 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9678 emit_move_via_integer.
9680 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9682 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9683 instead of $(srcdir) and ${srcdir}.
9685 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9689 * arm.h (struct machine_function): Add pic_reg.
9690 * arm.c (arm_pic_register): Make unsigned.
9691 (arm_override_options): Only set arm_pic_register if
9692 TARGET_SINGLE_PIC_BASE.
9693 (use_return_insn): Only test for a pic register if it is fixed.
9694 (arm_compute_save_reg0_reg12_mask): Likewise.
9695 (thumb_compute_save_reg_mask): Likewise.
9696 (legitimate_pic_operand): Factor out some known invariants.
9697 (legitimize_pic_address): If we don't have a fixed pic register,
9698 then set up a pseudo in the function entry sequence. Handle the
9699 pic base being in a pseudo.
9700 (arm_load_pic_register): Handle the pic register being in a pseudo.
9701 (arm_expand_prologue): Only set up the pic register if it is fixed.
9702 (thumb_expand_prologue): Likewise.
9703 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9704 (pic_load_addr_based_insn): Likewise.
9705 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9708 2006-01-18 Ben Elliston <bje@au.ibm.com>
9710 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9711 decimal float modes for all floating point registers.
9713 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9714 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9716 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9719 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9720 even when the pointer is not NULL.
9722 2006-01-16 Ian Lance Taylor <ian@airs.com>
9724 * common.opt (ftoplevel-reorder): New option.
9725 * cgraph.c (cgraph_asm_nodes): New global variable.
9726 (cgraph_asm_last_node): New static variable.
9727 (cgraph_order): New global variable.
9728 (cgraph_create_node): Set new order field.
9729 (cgraph_varpool_node): Likewise.
9730 (decide_is_variable_needed): Return true if not
9731 flag_toplevel_reorder.
9732 (cgraph_add_asm_node): New function.
9733 * cgraph.h (struct cgraph_node): Add order field.
9734 (struct cgraph_varpool_node): Add order field.
9735 (struct cgraph_asm_node): Define.
9736 (cgraph_asm_nodes, cgraph_order): Declare.
9737 (cgraph_add_asm_node): Declare.
9738 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9740 (cgraph_varpool_assemble_pending_decls): Call it.
9741 (cgraph_output_pending_asms): New static function.
9742 (cgraph_finalize_compilation_unit): Call it.
9743 (struct cgraph_order_sort): Define.
9744 (cgraph_output_in_order): New static function.
9745 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9746 !flag_toplevel_reorder case.
9747 * c-parser.c: Include "cgraph.h".
9748 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9750 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9751 than -fno-unit-at-a-time.
9752 * doc/invoke.texi (Option Summary): Mention
9753 -fno-toplevel-reorder.
9754 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9755 -funit-at-a-time documentation.
9757 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9758 Kazu Hirata <kazu@codesourcery.com>
9760 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9762 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9764 * Makefile.in (FUNCTION_H): New. Use it instead of
9765 function.h throughout the file.
9766 * function.h: Include tree.h.
9768 2006-01-17 Ben Elliston <bje@au.ibm.com>
9770 * recog.c: Separate some functions with whitespace.
9772 2006-01-16 Richard Henderson <rth@redhat.com>
9774 Merge from gomp branch:
9775 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9776 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9777 and rename from struct inline_data. Rename callee* to dst*;
9778 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9779 transform_new_cfg, transform_return_to_modify, and
9780 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9782 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9783 (copy_decl_for_dup): Remove.
9784 * tree-inline.c (struct inline_data): Move to header.
9785 (insert_decl_map): Export.
9786 (remap_decl): Update for member name changes. Use copy_decl hook.
9787 Allow for replacement to be a non-decl. Remove dead code.
9788 (remap_type_1): Check for existing mapping.
9789 (remap_type): Export.
9790 (remap_decls): Update for member name changes.
9791 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9792 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9793 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9794 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9795 (tree_function_versioning, build_duplicate_type): Likewise.
9796 (copy_body_r): Likewise. Export.
9797 (copy_decl_for_dup): Split into ...
9798 (copy_decl_for_dup_finish, copy_decl_to_var,
9799 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9800 (replace_ref_tree, inlining_p): Remove.
9802 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9804 * ifcvt.c (if_convert): Make it static.
9805 * rtl.h: Remove the prototype for if_convert.
9807 * local-alloc.c (local_alloc): Make it static.
9808 * rtl.h: Remove the prototype for local_alloc.
9810 * loop.c (loop_optimize): Make it static.
9811 * cfgloop.h: Remove the prototype for loop_optimize.
9814 2006-01-16 DJ Delorie <dj@redhat.com>
9816 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9819 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9821 * pa.md: Disparage copies between general and floating-point registers
9822 in 32-bit move patterns.
9824 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9827 * Makefile.in (check-%): Depend on site.exp instead of
9828 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9831 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9833 * global.c (global_alloc): Make it static.
9834 * rtl.h: Remove the prototype for global_alloc.
9836 2006-01-16 Richard Guenther <rguenther@suse.de>
9838 * tree-ssa-alias.c (struct used_part): Add write_only field.
9839 (get_or_create_used_part_for): Initialize it to true.
9840 (create_overlap_variables_for): Don't create structure variables
9841 for structures that only are written to.
9842 (find_used_portions): Handle MODIFY_EXPR to track whether a
9843 structure is only written to.
9845 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9847 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9849 * basic-block.h: Remove the prototype for
9850 partition_hot_cold_basic_blocks.
9852 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9854 * cppspec.c (lang_specific_spec_functions): Remove.
9855 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9856 * gcc.h (lang_specific_spec_functions): Remove.
9857 * gccspec.c (lang_specific_spec_functions): Remove.
9859 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9861 * combine.c (record_value_for_reg): Invalidate registers
9863 (record_dead_and_set_regs_1): Likewise, by passing them to
9864 record_value_for_reg.
9865 (record_dead_and_set_regs): Invalidate stores made by a
9866 call. We do not combine across a call, but we still
9867 relied on equivalences.
9869 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9871 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9872 vrp_int_const_binop returning non-constant nodes.
9874 2006-01-16 Paul Brook <paul@codesourcery.com>
9876 * config/m68k/m68k.c (output_move_const_into_data_reg):
9877 Output correct mnemonic for mvz and mvs.
9879 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9881 * rtl-factoring.c: Add sequence abstraction algorithm.
9882 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9883 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9885 (block_has_preserve_label): New function.
9886 * common.opt: Register new pass.
9887 * Makefile.in: Ditto.
9889 * timevar.def: Ditto.
9890 * tree-pass.h: Ditto.
9891 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9892 * rtl.h (make_jump_insn_raw): Add forward decl.
9893 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9895 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9896 Roger Sayle <roger@eyesopen.com>
9898 * fold-const.c (fold_minmax): New static function.
9899 (fold_binary) <MIN_EXPR>: Call it.
9900 <MAX_EXPR>: Likewise.
9901 * stor-layout.c (place_field): Use DECL_SIZE consistently
9902 in the computation of the new record size.
9904 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9906 * cse.c (cse_condition_code_reg): Make it static.
9907 * rtl.h: Remove the prototype for cse_condition_code_reg.
9909 * combine.c (combine_instructions): Make it static.
9910 * rtl.h: Remove the prototype for combine_instructions.
9912 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9915 * tree.c (get_file_function_name_long): Concatenate the first global
9916 object name with a string derived from the input filename of the object
9919 2006-01-16 Ben Elliston <bje@au.ibm.com>
9921 * config/i386/winnt-stubs.c: Update FSF address.
9922 * config/xtensa/ieee754-df.S: Ditto.
9923 * config/xtensa/ieee754-sf.S: Ditto.
9925 2006-01-14 Ian Lance Taylor <ian@airs.com>
9927 * ifcvt.c (noce_init_if_info): New static function, broken out of
9928 noce_process_if_block.
9929 (noce_process_if_block): Call noce_init_if_info.
9930 (check_cond_move_block): New static function.
9931 (cond_move_process_if_block): New static function.
9932 (process_if_block): Call cond_move_process_if_block.
9934 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9936 * cselib.c (hash_table): Rename to cselib_hash_table.
9937 (cselib_clear_table, discard_useless_values,
9938 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9939 cselib_init, cselib_finish): Adjust uses of hash_table.
9941 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9943 PR tree-optimization/25485
9944 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9945 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9946 is known to be false and true, respectively.
9948 2006-01-14 Richard Guenther <rguenther@suse.de>
9950 PR tree-optimization/22548
9951 PR tree-optimization/22555
9952 PR tree-optimization/22501
9953 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9954 * params.def (salias-max-array-elements): New parameter.
9955 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9956 * doc/invoke.texi (salias-max-array-elements): Document.
9957 * tree-flow-inline.h (var_can_have_subvars): We also handle
9959 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9961 * tree-ssa-structalias.c (params.h): Include.
9962 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9963 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9964 (get_constraint_for): For ADDR_EXPR operating on something
9965 containing an ARRAY_REF, add all subvars to the solution.
9966 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9967 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9968 for creating MUST_DEFs.
9969 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9971 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9973 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9975 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9976 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9977 number_of_iterations_le): New functions.
9978 (number_of_iterations_special): Removed.
9979 (number_of_iterations_exit): Do not use number_of_iterations_special.
9980 * tree.c (unsigned_type_for): Always return integer type.
9982 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9983 Richard Guenther <rguenther@suse.de>
9985 PR rtl-optimization/24257
9986 * gcse.c (find_moveable_store): Only consider a store movable
9987 when the SET_SRC of the insn can be assigned to a register.
9989 2006-01-14 Ian Lance Taylor <ian@airs.com>
9991 * tree.c (tree_not_class_check_failed): New function.
9992 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9993 (tree_not_class_check_failed): Declare.
9995 2006-01-13 Ian Lance Taylor <ian@airs.com>
9997 * reload1.c (do_output_reload): Add assertion rejecting a
10000 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10002 * combine.c (struct reg_stat): Add new fields truncation_label and
10004 (record_value_for_reg): Reset truncated_to_mode.
10005 (record_truncated_value): New function.
10006 (check_promoted_subreg): Call it. Rename to check_conversions.
10007 (combine_instructions): Rename check_promoted_subreg to
10009 (reg_truncated_to_mode): New function.
10010 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
10011 (gen_lowpart_or_truncate): New function.
10012 (force_to_mode): Use it instead of gen_lowpart.
10014 2006-01-13 Diego Novillo <dnovillo@redhat.com>
10016 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
10017 VAR is a tag, not its type tag.
10019 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10021 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10022 alternatives to match style of other entries.
10023 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10025 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10027 PR tree-optimization/25771
10028 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10031 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10034 * tree-inline.c (declare_return_variable): If the return variable
10035 was marked as a non gimple complex, set the return slot variable
10036 to be a non gimple comple variable.
10038 2006-01-13 Richard Guenther <rguenther@suse.de>
10040 * builtins.c (expand_builtin_sincos): New function.
10041 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10043 (expand_builtin): Expand sincos using expand_builtin_sincos.
10045 2006-01-12 DJ Delorie <dj@redhat.com>
10047 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10048 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10049 so that constant shifts can be split.
10050 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10051 (m32c_valid_pointer_mode): Make static.
10052 (shift_gen_func_for): New.
10053 (m32c_prepare_shift): Use it. Split large const shifts into
10055 * config/m32c/predicates.md (shiftcount_operand): Allow more
10057 (longshiftcount_operand): New.
10058 * doc/md.texi (Machine Constraints): Document In6.
10060 2006-01-13 Ben Elliston <bje@au.ibm.com>
10062 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10063 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
10066 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
10068 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
10069 to try to avoid clobbering pieces of structures when we know
10070 something about the whole structure.
10071 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
10073 2006-01-13 Ben Elliston <bje@au.ibm.com>
10075 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
10076 return in memory, as this is no limitation is no longer present.
10078 2006-01-12 DJ Delorie <dj@redhat.com>
10080 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10081 mova with fb, and for fb+0 -> An.
10083 * config/m32c/mov.md (peephole2): Fix enabling logic.
10085 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10086 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10087 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10088 FINI_ARRAY_SECTION_ASM_OP): Define.
10090 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10092 (m32c_legitimize_reload_address): New logic to reload FB to An.
10093 (m32c_output_reg_push): Add newline.
10094 (m32c_output_reg_pop): Likewise.
10096 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10098 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10100 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10102 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10104 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10106 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10109 2006-01-11 Ben Elliston <bje@au.ibm.com>
10111 * rtlanal.c (find_reg_note): Assert insn is not null.
10113 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10115 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10118 2006-01-11 Jeff Law <law@redhat.com>
10120 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10122 (mark_threaded_blocks, register_jump_thread): New functions.
10123 (thread_through_all_blocks): Remove unwanted argument. No
10124 longer rely on e->aux to communicate thread target info.
10125 Call mark_threaded_blocks. Release the threaded_blocks
10126 bitmap and threaded_edges vector when complete.
10127 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10128 (threaded_blocks): Remove.
10129 (tree_ssa_dominator_optimize): Remove initialization and
10130 finalization of threaded_blocks. Simplify call to
10131 thread_through_all_blocks.
10132 (thread_across_edge): Call register_jump_thread rather than
10133 storing thread information into e->aux.
10134 (free_all_edge_infos): Simplify now that e->aux is no longer
10135 used to communicate with thread_through_all_blocks.
10136 * tree-flow.h (thread_through_all_blocks): Update prototype.
10137 (register_jump_thread): Prototype.
10139 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10141 * df-core.c (df_compact_blocks, df_bb_replace): Use
10142 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10144 2006-01-11 Richard Guenther <rguenther@suse.de>
10146 PR tree-optimization/25734
10147 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10148 stop propagation after successful propagation to the LHS.
10150 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10152 * basic-block.h (control_flow_graph): Change the type of
10153 x_basic_block_info to VEC(basic_block,gc) *.
10154 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10156 (SET_BASIC_BLOCK): New.
10157 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10158 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10159 * cfgbuild.c (find_basic_blocks): Likewise.
10160 * cfglayout.c (fixup_reorder_chain): Likewise.
10161 * cfgrtl.c (create_basic_block_structure,
10162 rtl_create_basic_block): Likewise.
10163 * ifcvt.c (find_if_case_1): Likewise.
10164 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
10167 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10169 * Makefile.in: Removed rotted odf.c entry.
10171 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10174 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
10175 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
10176 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
10177 output pattern modifier, not %e.
10178 * config/cris/cris.c (cris_op_str): Update comment about pattern
10180 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
10181 before falling through into...
10182 <case 'E'>: Redefined from old 'e' case.
10184 2006-01-11 Jan Hubicka <jh@suse.cz>
10187 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
10189 2006-01-11 Jan Hubicka <jh@suse.cz>
10191 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
10192 * i386.c (x86_decompose_lea): Kill.
10193 (ix86_rtx_costs): Kill.
10195 2006-01-11 Jan Hubicka <jh@suse.cz>
10197 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
10198 * cgraph.h (cgraph_node): Add inline_decl.
10199 (cgraph_insert_node_to_hashtable): Declare.
10200 (save_inline_function_body): Declare.
10201 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
10203 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
10204 (cgraph_function_versioning): Update call of tree_function_versioning.
10205 (save_inline_function_body): New function.
10206 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
10207 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
10208 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
10209 (cgraph_default_inline_p): Likewise.
10210 (cgraph_decide_inlining_incrementally): Likewise.
10211 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10212 (copy_bb): Kill saving; do updating of clones.
10213 (copy_cfg_body): Kill saving.
10214 (initialize_inlined-parameters): Likewise.
10215 (expand_call_inline): Likewise.
10217 (tree_function_versioning): New parameter "update_clones".
10218 (inlining_p): Kill saving.
10219 * tree-inline.h (tree_function_versioning): Update prototype.
10220 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10223 2006-01-11 Ian Lance Taylor <ian@airs.com>
10225 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10226 Allow undoing set of machine mode.
10227 (do_SUBST): Use enums instead of is_int.
10228 (do_SUBST_MODE): New function.
10229 (SUBST_MODE): New macro.
10230 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10231 reg and trying to replace reg_regno_rtx with a new register.
10232 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10233 (simplify_set): Use SUBST_MODE.
10234 (distribute_notes): Remove code that tried to update reg notes
10235 for regno_reg_rtx changes.
10237 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10239 PR tree-optimization/23109
10240 PR tree-optimization/23948
10241 PR tree-optimization/24123
10243 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10244 * tree-cfg.c (single_noncomplex_succ): New.
10245 * tree-flow.h (single_noncomplex_succ): Declare it.
10246 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10247 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10248 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10249 insert_bb, register_division_in, insert_reciprocals,
10250 replace_reciprocal, free_bb): New.
10251 (execute_cse_reciprocals_1): Rewritten.
10252 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10253 Do not commit any edge insertion. Always compute dominators and
10254 create the allocation pool.
10255 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10256 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10257 * targhooks.c (default_min_divistions_for_recip_mul): New.
10258 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10259 * passes.c (init_optimization_passes): Run recip after tree loop
10261 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10263 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10264 Kenneth Zadeck <zadeck@naturalbridge.com>
10266 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10267 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10268 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10269 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10270 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10271 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10272 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10273 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10274 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10275 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10276 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10277 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10278 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10279 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10280 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10281 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10282 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10283 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10284 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10285 DF_SCAN_POST_ALLOC): New macros.
10286 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10287 df_free_bb_function, df_local_compute_function, df_init_function,
10288 df_dataflow_function, df_confluence_function_0,
10289 df_confluence_function_n, df_transfer_function,
10290 df_finalizer_function, df_free_function, df_dump_problem_function,
10291 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10292 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10293 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10294 df_urec_bb_info, ) New types.
10295 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10297 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10298 df_analyze_simple_change_some_blocks,
10299 df_analyze_simple_change_one_block, df_compact_blocks,
10300 df_bb_replace, df_bb_regno_last_use_find,
10301 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10302 df_insn_regno_def_p, df_find_def, df_find_use,
10303 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10304 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10305 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10306 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10307 debug_df_chain, df_get_dependent_problem, df_chain_create,
10308 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10309 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10310 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10311 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10312 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10313 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10314 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10315 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10316 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10317 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10318 df_reorganize_refs, df_set_state, df_hard_reg_init,
10319 df_read_modify_subreg_p) New public functions.
10320 * df-core.c: The core dataflow solver and glue routines for rtl
10322 (df_init, df_add_problem, df_set_blocks, df_finish,
10323 df_hybrid_search_forward, df_hybrid_search_backward,
10324 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10325 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10326 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10327 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10328 df_reg_defined, df_find_use, df_reg_used, df_dump,
10329 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10330 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10331 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10332 debug_df_useno, reset_df_after_reload): New functions.
10333 * df-scan.c: The scanning fuctions, once in df.c, completely
10334 rewritten so that they now fully model the functionality of
10335 register usage at the backend.
10336 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10337 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10338 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10339 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10340 df_get_artificial_defs, df_get_artificial_uses,
10341 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10342 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10343 df_refs_delete, df_reorganize_refs, df_set_state,
10344 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10345 df_def_record_1, df_defs_record, df_uses_record,
10346 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10347 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10348 df_record_exit_block_uses, df_hard_reg_init): New functions.
10350 * df-problems.c: Seven concrete dataflow problems that use the
10351 scanning in df-scan.c and are solved by the engine in df-core.c.
10352 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10353 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10354 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10355 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10356 df_ru_free_bb_info, df_ru_alloc,
10357 df_ru_bb_local_compute_process_def,
10358 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10359 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10360 df_ru_transfer_function, df_ru_free, df_ru_dump,
10361 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10362 df_rd_free_bb_info, df_rd_alloc,
10363 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10364 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10365 df_rd_transfer_function, df_rd_free, df_rd_dump,
10366 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10367 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10368 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10369 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10370 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10371 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10372 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10373 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10374 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10375 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10376 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10377 df_urec_mark_reg_use_for_earlyclobber,
10378 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10379 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10380 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10381 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10382 df_chain_create_bb_process_use, df_chain_create_bb,
10383 df_chain_finalize, df_chain_free, df_chains_dump,
10384 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10385 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10386 df_reg_lifetime): New functions.
10387 * df.c: Deleted file.
10388 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10389 consistent with new df api.
10390 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10391 rest_of_handle_sms): Ditto.
10392 * web.c (unionfind_union, union_defs, entry_register, web_main):
10394 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10395 invariant_expr_equal_p, find_defs, check_dependencies,
10396 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10397 free_inv_motion_data, move_loop_invariants): Ditto.
10398 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10399 Update dependencies.
10400 (odf.c): Added defective entry that was deleted later in day.
10401 * sched-deps.c (sched_analyze_1): Ditto.
10403 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10405 * tree-ssa-operands.c (get_expr_operands): Record addressable
10406 variables directly. Do not call add_stmt_operands for CONST_DECLs
10408 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10409 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10411 2006-01-11 Ben Elliston <bje@au.ibm.com>
10413 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10414 function returns true in the positive case.
10416 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10419 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10420 for SI, DI, SF and DF modes. Add alternatives to copy between
10421 general and floating point registers to the 32-bit patterns.
10422 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10423 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10424 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10425 generating 64-bit code.
10426 * config/pa/pa.c (output_move_double): Handle copies between general
10427 and floating registers.
10429 2006-01-10 Stuart Hastings <stuart@apple.com>
10431 * config/i386/i386.md (set_got): Update.
10432 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10433 (builtin_setjmp_receiver): Mach-O support.
10434 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10435 (GOT_SYMBOL_NAME): Define.
10436 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10437 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10438 * config/i386/i386.c (override_options): Revise for Darwin.
10439 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10440 support. (darwin_x86_file_end): New. (output_set_got): Add label
10441 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10442 * config/i386/i386-protos.h (output_set_got): Likewise.
10443 * config/darwin.c (machopic_legitimize_pic_address): Update
10446 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10448 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10449 when MODE isn't BLKmode.
10451 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10453 PR rtl-optimization/25367
10454 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10456 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10459 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10460 for a negative bound.
10462 2006-01-10 Richard Guenther <rguenther@suse.de>
10464 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10465 Never override with anything constraint.
10467 2006-01-10 Jan Beulich <jbeulich@novell.com>
10469 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10470 256 bits when optimize_size.
10472 2006-01-10 Jan Beulich <jbeulich@novell.com>
10474 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10476 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10477 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10480 2006-01-10 Ben Elliston <bje@au.ibm.com>
10482 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10484 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10485 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10486 (USE_FP_FOR_ARG): Reject decimal float modes.
10487 (function_arg_advance): Likewise.
10488 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10489 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10490 point types in AltiVec vectors.
10491 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10492 (rs6000_libcall_value): Likewise.
10494 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10496 * config/xtensa/ieee754-df.S: New file.
10497 * config/xtensa/ieee754-sf.S: New file.
10498 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10499 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10500 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10502 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10504 * config/sh/predicates.md (binary_float_operator,
10505 binary_logical_operator, commutative_float_operator,
10506 equality_comparison_operator, greater_comparison_operator,
10507 less_comparison_operator, logical_operator,
10508 noncommutative_float_operator, shift_operator,
10509 symbol_ref_operand, unary_float_operator): Remove redundant
10512 2006-01-09 Jeff Law <law@redhat.com>
10514 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10515 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10516 now unused arguments. Callers updated.
10517 (eliminate_redundant_computations): Remove now unused arguments,
10519 (local_fold): Remove, no longer used.
10520 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10522 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10523 (simplify_cond): New function.
10524 (forward_propagate_into_cond): Call simplify_cond.
10526 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10528 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10529 (*vec_extractv2di_1_sse): New.
10531 2006-01-09 Ben Elliston <bje@au.ibm.com>
10533 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10535 2006-01-08 Richard Guenther <rguenther@suse.de>
10537 * tree-ssa-structalias.c (get_constraint_for): Remove
10538 anyoffset argument.
10539 (get_constraint_for_component_ref): Likewise.
10540 (do_deref): Likewise.
10541 (get_constraint_for): Likewise.
10542 (do_structure_copy): Likewise.
10543 (handle_ptr_arith): Likewise.
10544 (find_func_aliases): Likewise. Remove unused need_anyoffset
10547 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10548 Kaz Kojima <kkojima@gcc.gnu.org>
10550 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10551 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10552 (EXTRA_CONSTRAINT_C16): Remove.
10553 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10554 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10555 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10556 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10557 constants of SHmedia. Handle nested constant expressions of
10559 (andcosts): Fix the costs for SHmedia constants.
10560 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10561 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10562 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10563 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10564 (movv4hi_i, movv2si_i): Likewise.
10565 (movsi_const): Adjust the second operand of ior so to match with
10566 the Csu constraint.
10567 (movdi_const, movdi_const_32bit): Likewise.
10568 (movdi_const_16bit+1): Don't sign-extend LOW.
10569 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10571 (*double_shori): Fix the split condition. Use GEN_INT instead
10572 of get_int_mode calls. Mask lower 16-bit of the argument of
10574 (sym2GOTPLT): Remove.
10575 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10577 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10578 instead of EXTRA_CONSTRAINT_C16.
10580 2006-01-07 Ian Lance Taylor <ian@airs.com>
10581 David Edelsohn <edelsohn@gnu.org>
10583 PR rtl-optimization/25662
10584 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10585 for constant operands instead of simplify_gen_binary.
10586 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10587 after trying simplify_binary_operation
10589 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10591 * tree.c (iterative_hash_expr): Hash decls based on UID.
10593 2006-01-06 Eric Christopher <echristo@apple.com>
10595 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10596 (TARGET_UNWIND_EMIT): Fix spelling.
10597 * target.h (gcc_target): Add except_table_label.
10598 * except.c (output_function_exception_table): Use.
10599 * varasm.c (default_emit_except_table_label): New.
10600 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10602 (asm_out): Add here.
10603 * output.h (default_emit_except_table_label): Prototype.
10604 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10605 * config/darwin.c (darwin_emit_except_table_label): Define.
10606 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10608 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10610 PR tree-optimization/18527
10611 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10612 number_of_iterations_special, number_of_iterations_exit):
10613 Move base and step of an iv to a single structure. Add
10614 no_overflow flag, and use it in # of iterations analysis.
10615 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10616 folded_casts argument.
10617 (simple_iv): Pass base and step in a structure. Set no_overflow
10619 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10620 Evaluate expensiveness of computing # of iterations instead of
10621 the final expression.
10622 * tree-scalar-evolution.h (affine_iv): New structure.
10623 (simple_iv): Declaration changed.
10624 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10625 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10626 find_givs_in_stmt): Changed due to simple_iv change.
10628 2006-01-06 Jeff Law <law@redhat.com>
10631 * tree-cfg.c (bsi_replace): Rename final argument from
10632 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10633 change (stmt -> orig_stmt).
10634 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10635 (bsi_remove): Add new argument. Remove EH information
10637 (verify_eh_throw_table_statements): New function.
10638 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10640 * tree-optimize.c (execute_free_cfg_annotations): Verify
10641 the EH throw statement table after removing annotations.
10642 * except.h (verify_eh_throw_table_statements): Prototype.
10643 * tree-flow.h (bsi_remove): Update prototype.
10644 * tree-vrp.c (remove_range_assertions): Add new argument to
10646 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10647 * tree-complex.c (expand_complex_div_wide): Likewise.
10648 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10649 * tree-tailcall.c (eliminate_tailcall): Likewise.
10650 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10651 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10652 * tree-nrv.c (tree_nrv): Likewise.
10653 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10654 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10655 (combine_blocks): Likewise.
10656 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10657 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10658 (cleanup_control_flow): Likewise.
10659 (remove_forwarder_block): Likewise.
10660 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10661 * tree-sra.c (sra_replace): Likewise.
10662 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10663 (forward_propagate_single_use_vars): Likewise.
10664 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10665 * tree-inline.c (expand_call_inline): Likewise.
10666 * tree-vect-transform.c (vect_transform_loop): Likewise.
10667 * tree-outof-ssa.c (rewrite_trees): Likewise.
10668 * tree-cfg.c (make_goto_expr_edges): Likewise.
10669 (cleanup_dead_labels): Likewise.
10670 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10671 (bsi_move_before, bsi_move_after): Likewise.
10672 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10673 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10675 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10678 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10680 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10681 on non gimple variables. Also add checks at the top for decls and
10683 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10685 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10686 and IMAGPART_EXPR for creating MUST_DEFs.
10687 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10688 and NAME_MEMORY_TAG separately from the DECLs.
10690 2006-01-06 Richard Guenther <rguenther@suse.de>
10692 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10693 annotation, if necessary.
10694 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10695 redundant calls to update_stmt.
10696 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10699 2006-01-05 Richard Henderson <rth@redhat.com>
10701 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10703 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10705 * c-typeck.c: Update copyright date.
10707 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10709 * c-typeck.c (build_c_cast): Always warn when casting
10710 from a pointer to an integer of different size, even if
10711 the node was constant.
10713 2006-01-05 Richard Guenther <rguenther@suse.de>
10715 PR tree-optimization/22555
10716 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10717 if one structure field is an array.
10718 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10719 operands even if we found a subvar, but ignore VOPs in this
10721 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10723 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10725 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10727 PR middle-end/24998
10728 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10730 2006-01-05 Richard Guenther <rguenther@suse.de>
10731 Diego Novillo <dnovillo@redhat.com>
10733 * tree-pass.h (TODO_remove_unused_locals): Define.
10734 * gimple-low.c (expand_var_p, remove_useless_vars,
10735 pass_remove_useless_vars): Remove. Update all users.
10736 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10737 (remove_unused_locals): New function.
10738 * tree-flow.h (remove_unused_locals): Declare.
10739 * passes.c (execute_todo): Call remove_unused_locals if
10740 TODO_remove_unused_locals is set.
10741 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10742 * tree-ssa-dce.c (pass_dce): Likewise.
10743 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10745 2006-01-05 Richard Guenther <rguenther@suse.de>
10747 * tree-flow.h (struct fieldoff): Decompose field to
10748 type, size and decl.
10749 * tree-ssa-alias.c (create_sft): Take type as parameter.
10750 (create_overlap_variables_for): Store type, size and decl
10751 in the fieldoff structure.
10752 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10753 of struct fieldoff.
10754 (push_fields_onto_fieldstack): Likewise.
10755 (create_variable_info_for): Likewise. Use offset for the
10756 SFT name if the decl is not available.
10758 2006-01-04 Paul Brook <paul@codesourcery.com>
10760 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10762 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10764 * lambda-code.c (can_put_in_inner_loop): Relax
10766 (can_put_after_inner_loop): New function.
10767 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10768 (perfect_nestify): Change to make copies and modify uses.
10770 2006-01-04 Richard Henderson <rth@redhat.com>
10772 Merge from gomp branch:
10773 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10774 via integer constant.
10775 (pragma_lex): Remove.
10776 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10777 rather than parsing it.
10778 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10779 handle_pragma_extern_prefix): Add %< %> quotes.
10780 (registered_pragmas): New.
10781 (c_register_pragma_1): New.
10782 (c_register_pragma): Use it.
10783 (c_register_pragma_with_expansion): Likewise.
10784 (c_invoke_pragma_handler): New.
10785 (init_pragma): Use cpp_register_deferred_pragma directly for
10787 * c-pragma.h (enum pragma_kind): New.
10788 (pragma_handler): New.
10789 (c_invoke_pragma_handler): Declare.
10790 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10792 * c-common.h (c_common_pch_pragma): Update decl.
10793 * Makefile.in (c-parser.o): Update dependencies.
10794 (GTFILES): Add c-pragma.h.
10795 * c-parser.c (struct c_token): Add pragma_kind.
10796 (struct c_parser): Add in_pragma.
10797 (c_lex_one_token): Always initialize keyword and pragma_kind.
10798 Extract data for CPP_PRAGMA.
10799 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10800 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10801 Don't allow CPP_PRAGMA_EOL if in_pragma.
10802 (c_parser_consume_pragma): New.
10803 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10804 (c_parser_skip_to_end_of_parameter): Likewise.
10805 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10806 (c_parser_skip_to_pragma_eol): New.
10807 (c_parser_external_declaration): Handle CPP_PRAGMA.
10808 (c_parser_compound_statement_nostart): Likewise.
10809 (c_parser_statement_after_labels): Likewise.
10810 (c_parser_pragma): New.
10811 (pragma_lex): Likewise.
10812 (c_parser_pragma_pch_preprocess): New.
10813 (c_parser_new): Merge into ...
10814 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10816 2006-01-04 Jeff Law <law@redhat.com>
10819 * tree-cfg.c (bsi_replace): Remove the original statement
10820 from the EH throw statement table.
10822 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10824 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10825 make the prototype extern "C" and add throw ().
10828 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10829 and pos non-negative and pos + len <= 32.
10830 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10831 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10832 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10835 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10836 as well as sizes not multiple of component size.
10839 * function.c (instantiate_expr): New function.
10840 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10841 walk its DECL_VALUE_EXPR with instantiate_expr.
10843 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10844 DW_OP_deref{,_size} if address isn't going to be added.
10846 2006-01-04 Ben Elliston <bje@au.ibm.com>
10848 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10849 * config/fp-bit.c: Likewise.
10851 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10853 * dominance.c: Add comment about why we use DFS numbering
10856 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10857 Richard Henderson <rth@redhat.com>
10859 Merge from gomp-branch:
10860 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10861 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10863 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10865 PR rtl-optimization/25578
10866 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10867 pass a parameter to simplify_shift_const if changing ASHIFTRT
10870 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10872 * builtins.c (get_builtin_sync_mem): New function.
10873 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10874 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10875 Call get_builtin_sync_mem to generate mem rtx.
10877 2006-01-03 Richard Guenther <rguenther@suse.de>
10880 * stmt.c (add_case_node): Make sure to clear overflow flags
10883 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10885 Merge from gomp-branch.
10886 * config/sparc/sync.md: New file.
10887 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10888 UNSPECV_LDSTUB): New constants.
10889 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10890 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10891 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10894 2006-01-03 Roger Sayle <roger@eyesopen.com>
10896 * combine.c (reg_subword_p): New predicate to test whether the
10897 destination of a set refers to a subword/piece of a register.
10898 (try_combine): Generalize the code to merge the setting of a
10899 pseudo to a constant followed by a set of a subword of that
10900 register to a constant.
10902 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10904 * basic-block.h (control_flow_graph): Change the type of
10905 x_label_to_block_map to VEC(basic_block,gc) *.
10906 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10907 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10909 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10910 VEC(basic_block,heap) *.
10911 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10912 ssa_prop_fini): Adjust the uses of cfg_blocks.
10914 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10916 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10918 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10919 hashing trees instead of a pointer hash.
10920 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10921 compare for MEM_EXPR.
10923 PR rtl-optimization/25130
10924 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10925 when comparing MEMs for GCSE
10927 2006-01-03 Ben Elliston <bje@au.ibm.com>
10929 * targhooks.h (default_decimal_float_supported_p): Declare.
10930 * targhooks.c (default_decimal_float_supported_p): Define.
10931 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10932 `default_decimal_float_supported_p'.
10933 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10935 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10937 * combine.c (apply_distributive_law <SUBREG>): Check
10938 TRULY_NOOP_TRUNCATION.
10940 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10942 * dwarf2out.c (have_switched_text_section): Delete.
10943 (have_multiple_function_sections): New.
10944 (have_location_lists): Make 'bool'.
10945 (add_AT_loc_list): Use 'true' not '1'.
10946 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10947 (output_loc_list): Use have_multiple_function_sections.
10948 (output_ranges): Likewise.
10949 (dwarf2out_begin_function): Set have_multiple_function_sections if
10951 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10952 Check function_section rather than DECL_SECTION_NAME.
10953 (dwarf2out_finish): Use have_multiple_function_sections.
10954 Don't clear have_location_lists.
10956 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10957 Jan Hubicka <jh@suse.cz>
10959 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10960 case of conditional jump jumping to the next instruction.
10961 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10962 cases of conditional jump jumping to the next instruction.
10964 2006-01-02 Jan Hubicka <jh@suse.cz>
10966 * i386.c (*_cost): Add COSTS_N_INSNS.
10967 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10969 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10972 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10974 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10976 * config/arm/arm.c (all_fpus): Fix comment typo.
10977 * config/darwin.c: Likewise.
10978 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10979 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10980 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10982 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10984 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10985 (rs6000_split_compare_and_swapqhi): New.
10986 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10987 (sync_compare_and_swapqhi_internal): New.
10988 * config/rs6000/rs6000-protos.h: Declare.
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