1 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4 * Makefile.in (GCC_OBJS): New.
5 (OBJS-common): Add opts-common.o.
6 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
7 (cpp$(exeext)): Likewise.
8 (gcc.o): Also depend on opts.h.
11 * common.opt (gcoff): Add Negative(gdwarf-2).
12 (gdwarf-2): Add Negative(gstabs).
13 (gstabs): Add Negative(gstabs+).
14 (gstabs+): Add Negative(gvms).
15 (gvms): Add Negative(gxcoff).
16 (gxcoff): Add Negative(gxcoff+).
17 (gxcoff+): Add Negative(gcoff).
18 * config/i386/i386.opt (m32): Add Negative(m64).
19 (m64): Add Negative(m32).
21 * doc/options.texi: Document the Negative option.
23 * gcc.c: Include "opts.h".
24 (main): Call prune_options after expandargv.
26 * optc-gen.awk: Generate common declarations for all flag
27 variables in options.c. Output the neg_index field.
29 * opts.c (find_opt): Moved to ...
30 * opts-common.c: Here. New file.
32 * opts.h (cl_option): Add a neg_index field.
34 (prune_options): Likewise.
36 2006-05-16 Jakub Jelinek <jakub@redhat.com>
39 * omp-low.c (expand_omp_parallel): Don't assert
40 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
41 instead search for it.
44 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
47 2006-05-16 Andreas Schwab <schwab@suse.de>
49 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
52 2006-05-15 Roger Sayle <roger@eyesopen.com>
55 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
56 integer constants other than zero are only legitimate on TARGET_64BIT.
57 <CONST_VECTOR> Only zero vectors are legitimate.
58 (ix86_cannot_force_const_mem): Integral and vector constants can
59 always be put in the constant pool.
61 2006-05-16 DJ Delorie <dj@redhat.com>
63 * crtstuff.c (__dso_handle): Set section from
64 TARGET_LBIGCC_SDATA_SECTION if defined.
65 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
66 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
68 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
71 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
74 2006-05-16 Ben Elliston <bje@au.ibm.com>
76 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
78 2006-05-15 Per Bothner <per@bothner.com>
80 * tree.c: (last_annotated_node): Use sources_locus typedef.
81 This permits bootstrapping with --enable-mapped-location.
83 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
85 PR tree-optimization/26830
86 * tree-into-ssa.c (struct ssa_name_info): Add age field.
87 (info_for_ssa_name, current_info_for_ssa_name_age,
88 blocks_to_update): New variables.
89 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
90 (clear_ssa_name_info, initialize_flags_in_bb,
91 mark_block_for_update): New functions.
92 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
93 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
94 prepare_def_site_for): Use mark_block_for_update.
95 (mark_def_interesting): Assert that the processed block is marked in
96 blocks_to_update. Do not take blocks argument.
97 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
99 (rewrite_update_init_block, rewrite_update_stmt): Only process
100 blocks with statements to rewrite.
101 (delete_update_ssa): Do not clear SSA_NAME_AUX.
102 (update_ssa): Initialize and free blocks_to_update. Do not
103 clear flags on statements. Do not use blocks bitmap.
104 * tree.h (SSA_NAME_AUX): Removed.
105 (struct tree_ssa_name): Removed aux field.
106 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
108 2006-05-15 Richard Guenther <rguenther@suse.de>
110 PR tree-optimization/27603
111 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
112 Do computations in original type.
114 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
116 * see.c: Code style changes such as redundant paranthesis,
117 redundant intialization of local variables etc.
118 (see_main): Declared now as static.
119 * doc/invoke.texi: Update that -fsee is not enabled by
122 2006-05-15 Jakub Jelinek <jakub@redhat.com>
124 * omp-low.c (check_omp_nesting_restrictions): New function.
125 (scan_omp_1): Call it.
128 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
129 construct, return *VAR.
131 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
133 PR rtl-optimization/27406
134 * bt-load.c (migrate_btr_def): Skip the block having abnormal
137 2006-05-14 Roger Sayle <roger@eyesopen.com>
139 PR rtl-optimization/27538
140 * combine.c (expand_compound_operation): Call gen_lowpart
141 before calling simplify_shift_const.
143 2006-05-14 Roger Sayle <roger@eyesopen.com>
145 PR rtl-optimization/22563
146 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
147 a fixed width bitfield, always force the intermediates into psuedos.
149 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
152 * mkconfig.sh: Use operator = instead of == for test.
154 2006-05-13 Nick Clifton <nickc@redhat.com>
156 * dwarf2out.c (dbx_reg_number): Check return value from
157 LEAF_REG_REMAP and only use it if it is valid.
158 (multiple_reg_loc_descriptor): Likewise.
160 2006-05-13 Richard Guenther <rguenther@suse.de>
162 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
165 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
167 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
168 information attached to non-INSNs such as NOTEs.
169 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
171 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
173 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
175 * config/s390/s390.md: Adjust comment describing On constraint.
177 2006-05-11 Jan Hubicka <jh@suse.cz>
179 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
182 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
185 * fold-const.c (size_binop): Move sanity check for arguments to
186 the beginning of the function.
189 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
192 2006-05-11 Richard Guenther <rguenther@suse.de>
195 * fold-const.c (fold_unary): Handle intermediate conversion
196 to a pointer type like intermediate conversion to an integer
197 type in folding of (T1)(T2)var to var.
198 Match the code to the comment in the final conversion for
199 (T1)(T2)var to (T1)var regarding to type precision. Rather
200 than disallow T1 being of pointer type, assert that both T1
201 and var are of pointer type or not. Make sure not to fall
202 over the frontends lazyness wrt array to pointer decay though.
204 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
206 * arm.c (arm_struct_value_rtx): Delete.
207 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
208 (arm_init_cumulative_args): Always initialize nregs to zero.
210 2006-05-10 Richard Guenther <rguenther@suse.de>
212 PR tree-optimization/27532
213 * tree-object-size.c (plus_expr_object_size): Fix typo.
215 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
218 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
219 ashrdi_const, ashrdi3): Use a scratch register.
221 2006-05-10 Richard Guenther <rguenther@suse.de>
223 PR tree-optimization/27302
224 * fold-const.c (operand_equal_p): For two comparisons,
225 try comparison of one comparison code swapped if that yields
228 2006-05-10 Ben Elliston <bje@au.ibm.com>
230 * tree-pretty-print.c (pretty_print_string): No need to handle
231 '\0' as a special character.
233 * tree.h: Include "hashtab.h".
234 (iterative_hash_expr): Use hashval_t in its prototype.
235 * Makefile.in (TREE_H): Add $(HASHTAB_H).
237 2006-05-09 Steve Ellcey <sje@cup.hp.com>
240 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
241 (hppa*64*-*-hpux11*): Ditto.
242 (hppa[12]*-*-hpux11*): Ditto.
244 2006-05-09 David Edelsohn <edelsohn@gnu.org>
247 * config/rs6000/aix41.h (TARGET_64BIT): Define.
249 2006-05-09 Michael Matz <matz@suse.de>
251 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
252 host_extra_gcc_objs and host_xmake_file.
253 (<*-*-linux*>): Don't overwrite host_xmake_file.
254 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
255 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
256 (host_detect_local_cpu): Declare.
257 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
258 * config/i386/i386.c (override_options): Handle -mtune=native
260 * config/i386/x-i386: New file.
261 * config/i386/driver-i386.c: New file.
262 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
265 2006-05-09 Dirk Mueller <dmueller@suse.de>
266 Richard Guenther <rguenther@suse.de>
269 * fold-const.c (fold_read_from_constant_string): Relax check
270 for matching types to matching modes.
272 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
274 PR rtl-optimization/27335
275 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
278 2006-05-08 Chao-ying Fu <fu@mips.com>
279 Richard Sandiford <richard@codesourcery.com>
281 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
282 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
283 * config/mips/mips.md (UNSPEC_SCC): New constant.
284 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
285 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
286 (mips_emit_compare): Use it.
287 (mips_expand_vcondv2sf): New function.
289 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
291 Fix PR tree-optimization/27093
292 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
293 renaming when they become not-used_alone.
295 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
297 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
298 relocation and relocation stubs.
300 2006-05-08 Eric Christopher <echristo@apple.com>
302 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
305 2006-05-08 Jan Hubicka <jh@suse.cz>
308 * cgraphunit.c (decide_is_function_needed): When not optimizing even
309 unused static functions are needed.
311 2006-05-08 Roger Sayle <roger@eyesopen.com>
314 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
315 of a reg_equiv_constant if the result is a legitimate constant.
317 2006-05-08 Uros Bizjak <uros@kss-loka.si>
320 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
321 standard 80387 constants, raise the cost to prevent
322 compress_float_constant() to generate load from memory.
324 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
326 * config/arm/constraints.md (c): Fix a typo.
328 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
331 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
334 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
336 (_mm_mwait): Likewise.
338 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
340 (sse3_monitor): Make it 32bit only.
341 (sse3_monitor64): New. 64bit monitor.
343 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
346 * config/i386/i386.c (classify_argument): Skip fields with invalid
349 2006-05-07 Richard Guenther <rguenther@suse.de>
351 PR tree-optimization/27409
352 * tree-ssa-structalias.c (get_constraint_for_component_ref):
353 Do not try to find zero-sized subvars.
355 2006-05-07 Richard Guenther <rguenther@suse.de>
357 PR tree-optimization/27136
358 * tree-ssa-loop-niter.c (get_val_for): Correct function
359 comment, assert requirements.
360 (loop_niter_by_eval): Stop processing if the iterated
361 value did not simplify.
363 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
365 * opts.c (flag_see): remove its setting at -O3.
367 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
369 * genpeep.c (main): Make insn-peep.c depend on flags.h.
370 * arm/constraints.md: New file.
371 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
372 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
373 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
374 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
375 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
376 (EXTRA_MEMORY_CONSTRAINT): Likewise.
377 * arm.md: Include constraints.md.
378 (thumb_movsi_insn): Use satisfies_constraint_J.
379 (movhi, movqi): Use satisfies_constraint_I.
381 2006-04-29 Anatoly Sokolov <aesok@post.ru>
383 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
384 for atmeg a645 device.
386 2006-05-06 Richard Guenther <rguenther@suse.de>
388 PR tree-optimization/27151
389 * tree-vect-transform.c (vectorizable_condition): Punt on
390 values that have a different type than the condition.
392 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
395 * c-parser.c (c_parser_cast_expression): Only insert casts into
396 hash table if pointer.
397 * function.c (used_types_insert_helper): Rename from
399 (used_types_insert): Call used_types_insert_helper.
400 * function.h (used_types_insert): Accept only one argument.
402 2006-05-05 David Edelsohn <edesohn@gnu.org>
404 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
405 scratch with output modifier.
407 2006-05-04 David Edelsohn <edelsohn@gnu.org>
410 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
411 with output modifier.
413 2006-05-04 Richard Sandiford <richard@codesourcery.com>
416 * config/mips/mips.c (mips_symbolic_address_p): Return true
417 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
418 SYMBOL_GOTTPREL, and SYMBOL_TLS.
420 2006-05-04 Richard Guenther <rguenther@suse.de>
422 PR tree-optimization/14287
423 PR tree-optimization/14844
424 PR tree-optimization/19792
425 PR tree-optimization/21608
426 PR tree-optimization/27090
427 * tree-ssa-pre.c (try_combine_conversion): New function.
428 (compute_avail): After constructing the value-handle
429 expression, use try_combine_conversion to combine NOP_EXPRs
430 with previous value-handle expressions and use the result if it
433 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
435 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
437 2006-05-04 Jan Hubicka <jh@suse.cz>
440 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
442 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
444 * config/bfin/predicates.md (const01_rtx): Tell generator programs
445 that this only matches CONST_INTs. All users changed to VOIDmode
448 * config/bfin/bfin.c: Include "optabs.h".
449 (bfin_rtx_costs): Some costs for vector operations, to allow combine
451 (enum bfin_builtins): Add a number of fractional and vector builtins.
452 (bfin_init_builtins): Likewise.
453 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
454 (safe_vector_operand, bfin_expand_binop_builtin,
455 bfin_expand_unop_builtin): New functions.
456 (bfin_expand_builtin): Handle the new builtins.
457 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
460 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
463 * Makefile.in (OBJS-common): Add see.o.
464 (see.o): Add dependencies.
465 * common.opt (fsee): New flag for the see optimization was added.
466 * opts.c (flag_see): Initialized.
467 * passes.c (init_optimization_passes, pass_see): New pass.
468 * rtl.h (see_main): Declaration as extern.
469 * timevar.def (TV_SEE): New.
470 * tree-pass.h (pass_see): Declaration as extern.
471 * invoke.texi (-fsee): Document.
472 * recog.c (validate_simplify_insn): New function.
473 * recog.h (validate_simplify_insn): Declaration as extern.
474 * df-problems.c (df_chain_dump): Check for NULL.
476 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
477 Daniel Berlin <dberlin@dberlin.org>
479 * cfgrtl.c (insert_insn_bb_end_new): New function.
480 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
482 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
484 * df.h (struct web_entry): Moved from web.c.
485 (union_defs): Declaration as extern.
486 (unionfind_root): Likewise.
487 (unionfind_union): Likewise.
488 * web.c (struct web_entry): Moved to df.h.
489 (unionfind_root): Remove static declaration.
490 (unionfind_union): Likewise.
491 (union_defs): Likewise and generalize to use callback function.
492 (web_main): Update arguments for union_defs function call.
494 2006-05-04 Richard Guenther <rguenther@suse.de>
496 PR tree-optimization/26447
497 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
498 produce SSA_NAME copies before the store stmt to avoid
499 breaking exception handling.
501 2006-05-04 Jakub Jelinek <jakub@redhat.com>
504 * gimplify.c (omp_is_private): If var is shared in some outer context,
505 return false instead of true. Stop searching on parallel context
508 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
511 * coverage.c: Use get_gcov_unsigned_t() instead of
512 unsigned_type_node all over.
514 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
516 PR tree-optimization/27381
517 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
518 maintain the same immediate_use links.
519 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
520 node rather than segfaulting.
522 2006-05-03 Jakub Jelinek <jakub@redhat.com>
525 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
526 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
527 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
529 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
531 Fix PR tree-optimization/26626
532 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
534 * tree-ssa-operands.c (access_can_touch_variable): Allow
535 typecasting through union pointers.
537 2006-05-02 Jakub Jelinek <jakub@redhat.com>
540 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
541 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
542 to find if var will be a global variable even in the nested context.
543 (omp_copy_decl): Only check for global variable at the end, it might
544 be overridden in outer contexts.
545 (scan_sharing_clauses): For global variables don't create a field.
546 (lower_rec_input_clauses): Do nothing for global shared variables.
547 Emit a barrier at the end of ILIST if there were any decls in both
548 firstprivate and lastprivate clauses.
549 (lower_send_clauses): Do nothing for global variables except for
552 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
554 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
555 of the correct signedness is returned.
557 2006-05-02 Jeff Law <law@redhat.com>
559 PR tree-optimization/27364
560 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
561 multiply expressions.
563 2006-05-02 Tom Tromey <tromey@redhat.com>
565 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
567 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
570 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
571 -mthumb -fPIC are used.
573 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
574 Joshua Kinard <kumba@gentoo.org>
577 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
578 with 64-bit pointers.
580 2006-05-02 Paul Brook <paul@codesourcery.com>
582 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
584 (create_fix_barrier): Check that a suitable barrier location is
586 (arm_reorg): Include ftmp->address in allowable range of addresses.
588 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
591 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
594 2006-05-02 Jakub Jelinek <jakub@redhat.com>
597 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
598 around RESULT_DECL for result passed by reference.
599 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
600 * omp-low.c (use_pointer_for_field): Don't look at
601 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
602 (scan_omp_1): Call remap_decl on RESULT_DECLs.
603 (lower_rec_input_clauses): Don't allocate VLA memory for the second
604 time or var for passing by reference for
605 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
606 TREE_ADDRESSABLE variables when passing by reference.
608 * omp-low.c (dump_omp_region): Fix output formatting.
611 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
612 (expand_omp_parallel): Likewise.
613 * tree-cfg.c (move_sese_region_to_fn): Likewise.
616 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
617 on statement list containing also constructors and destructors.
618 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
621 * except.c (duplicate_eh_regions): Fix clearing of
622 cfun->eh->region_array entries.
624 2006-05-01 DJ Delorie <dj@redhat.com>
626 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
628 (gcc_cv_objdump): Likewise.
629 * configure: Regenerated.
631 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
634 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
635 templates for case 3 and 4.
637 2006-05-01 DJ Delorie <dj@redhat.com>
639 * vec.c: Include bconfig.h when appropriate.
640 * Makefile.in (build/vec.o): Adjust dependencies.
641 * mkconfig.sh: Make sure config.h isn't used for build machine
644 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
646 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
648 (mark_phi_for_rewrite): New function.
649 (insert_phi_nodes_for, mark_use_interesting): Call
650 mark_phi_for_rewrite.
651 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
652 (update_ssa): Initialize and free phis_to_rewrite.
654 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
656 PR rtl-optimization/27291
657 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
658 folded to a constant.
660 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
662 PR tree-optimization/27283
663 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
664 not whole # of iteration descriptions.
665 (niter_for_exit): Return just # of iterations. Fail if # of iterations
666 uses abnormal ssa name.
667 (niter_for_single_dom_exit): Ditto.
668 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
669 return just the number of iterations.
671 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
673 PR tree-optimization/27144
674 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
675 (record_estimate): Only record constant upper bound.
676 (infer_loop_bounds_from_undefined): Call
677 compute_estimated_nb_iterations just once.
678 (proved_non_wrapping_p): Renamed to ...
679 (n_of_executions_at_most): ... this. Expect bound to be a constant.
680 (convert_step_widening, scev_probably_wraps_p): Call
681 n_of_executions_at_most instead of proved_non_wrapping_p.
682 (substitute_in_loop_info): Do not replace values in bounds.
683 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
686 2006-05-01 Richard Henderson <rth@redhat.com>
689 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
690 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
693 2006-05-01 Roger Sayle <roger@eyesopen.com>
695 * c-typeck.c (parser_build_binary_op): Don't call the function
696 unsigned_conversion_warning to spot operand/result type overflow.
697 (build_binary_op): Instead, call convert_and_check instead of
698 convert to report the problem when the operands are promoted.
699 * c-common.c (unsigned_conversion_warning): Make static.
700 * c-common.h (unsigned_conversion_warning): Delete prototype.
702 2006-05-01 Richard Guenther <rguenther@suse.de>
704 PR tree-optimization/26726
705 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
707 (find_interesting_uses_address): ... we work around here
708 by folding INDIRECT_REFs in the substituted base.
710 2006-05-01 Diego Novillo <dnovillo@redhat.com>
712 * omp-low.c (dump_omp_region): Add newlines.
714 2006-04-30 Roger Sayle <roger@eyesopen.com>
716 * common.opt (Woverflow): New command line option.
717 * c-common.c (constant_expression_warning): Check warn_overflow.
718 (overflow_waring): Pass OPT_Woverflow to warning.
719 (unsigned_conversion_warning): Likewise.
720 (convert_and_check): Likewise.
721 * doc/invoke.texi: Document new command line option.
723 2006-04-30 David Edelsohn <edelsohn@gnu.org>
725 * config/rs6000/rs6000.c (rs6000_override_options): Enable
726 TARGET_NO_FP_IN_TOC for section anchors.
727 (optimization_options): Enable section anchors for all
728 non-"Objective" languages.
730 2006-04-28 Eric Christopher <echristo@apple.com>
732 * config/darwin-c.c (darwin_ms_struct): Move this
733 (darwin_set_default_type_attributes): and this...
734 * config/darwin.c: ... here.
735 * config/darwin.h (darwin_ms_struct): Declare.
737 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
739 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
741 2006-04-28 Roger Sayle <roger@eyesopen.com>
744 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
745 (push_array_bounds): Delete prototype. Change BOUNDS argument to
746 an unsigned HOST_WIDE_INT.
747 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
749 (really_start_incremental_init): No need to call convert because
750 bitsize_zero_node is already of type bitsizetype.
751 (push_init_level): Extract the value of constructor_index as an
752 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
753 (process_init_element): Likewise.
755 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
757 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
758 value before passing to make_relative_prefix.
760 2006-04-28 Alan Modra <amodra@bigpond.net.au>
763 * builtins.c (expand_builtin_memset): Expand val in original mode.
765 2006-04-27 Eric Christopher <echristo@apple.com>
767 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
769 * config/darwin-c.c (darwin_ms_struct): New.
770 (darwin_pragma_ms_struct): Ditto.
771 (darwin_set_default_type_attributes): Ditto.
772 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
773 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
774 Register ms_struct pragma.
775 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
776 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
777 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
778 darwin_set_default_type_attributes if TARGET_MACHO.
780 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
782 PR tree-optimization/26854
783 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
784 * doc/tree-ssa.texi: Update immuse iterator documentation.
785 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
786 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
787 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
788 first_safe_imm_use, next_safe_imm_use): Remove.
789 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
790 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
791 (move_use_after_head): New. Helper function to sort immuses in a stmt.
792 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
793 (first_imm_use_stmt): New. Get first stmt in an immuse list.
794 (next_imm_use_stmt): New. Get next stmt in an immuse list.
795 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
796 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
797 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
798 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
799 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
800 (perfect_nestify): Use new iterator.
801 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
803 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
804 (next_imm_name): New field in struct immediate_use_iterator_d.
805 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
806 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
807 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
808 * tree-cfg.c (replace_uses_by): Use new iterator.
809 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
810 * tree-ssa-operands.c (correct_use_link): Remove.
811 (finalize_ssa_use_ops): No longer call correct_use_link.
813 2006-04-27 Stuart Hastings <stuart@apple.com>
815 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
816 * config/t-darwin (crt3.o): Use it.
817 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
818 'pmode', use Pmode instead of SImode for SYMBOL_REF.
819 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
820 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
821 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
824 2006-04-27 Roger Sayle <roger@eyesopen.com>
826 * expmed.c (store_fixed_bit_field): If we're not optimizing for
827 size, force the intermediate into a new pseudo rather instead of
828 performing both a bitwise AND and a bitwise IOR in memory.
830 2006-04-27 Richard Guenther <rguenther@suse.de>
832 PR rtl-optimization/26685
833 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
834 this one "max-flow-memory-locations".
836 2006-04-27 Richard Guenther <rguenther@suse.de>
838 PR tree-optimization/25148
839 * tree-vrp.c (compare_values): Remove code dealing with
840 comparisons against type min/max value. Honour overflow
841 and negative constants in code dealing with comparisons
842 of plus and minus expressions.
843 (value_inside_range): Use fold_binary with LE_EXPR and
844 GE_EXPR rather than compare_values.
846 2006-04-27 Dirk Mueller <dmueller@suse.de>
848 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
851 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
853 * basic-block.h (safe_insert_insn_on_edge): Removed.
854 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
856 2006-04-26 David Edelsohn <edelsohn@gnu.org>
857 Paolo Bonzini <bonzini@gnu.org>
860 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
861 (simplify_and_const_int): Same.
863 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
865 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
867 2006-04-26 Jakub Jelinek <jakub@redhat.com>
870 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
871 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
872 cgraph_global_info_ready.
875 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
878 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
879 either decl or init is error_mark_node.
882 * tree-flow.h (struct omp_region): Add sched_kind.
883 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
884 instead of extracting omp for data.
885 (expand_omp_for): Save extracted sched_kind.
887 2006-04-25 Roger Sayle <roger@eyesopen.com>
889 * expmed.c (store_bit_field): Also check whether the bitsize is
890 valid for the machine's "insv" instruction before moving the
891 target into a pseudo for use with the insv.
892 * config/i386/predicates.md (const8_operand): New predicate.
893 * config/i386/i386.md (extv, extzv, insv): Use the new
894 const8_operand predicate where appropriate.
896 2006-04-25 DJ Delorie <dj@redhat.com>
898 * doc/install.texi (Specific): Clarify that this is not a list of
899 supported hosts or targets.
901 2006-04-25 Richard Sandiford <richard@codesourcery.com>
903 PR rtl-optimization/26725
904 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
905 block's BB_DIRTY flag.
907 2006-04-25 Geoffrey Keating <geoffk@apple.com>
909 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
912 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
915 2006-04-25 David Edelsohn <edelsohn@gnu.org>
917 * varasm.c (align_variable): New function.
918 (get_block_for_decl): Apply align_variable to DECL before
919 calculating section information.
920 (assemble_variable): Split out alignment computation.
922 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
924 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
927 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
929 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
930 MODE_PARTIAL_INT mode.
931 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
932 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
934 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
935 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
937 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
939 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
941 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
942 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
943 MACFLAG_IH): Likewise.
944 (movstricthi_1): Renamed from "*movstricthi".
945 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
946 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
947 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
948 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
949 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
950 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
951 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
952 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
953 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
954 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
955 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
956 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
957 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
958 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
959 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
961 * doc/rtl.texi (ss_ashift): Improve wording.
963 2006-04-24 Geoffrey Keating <geoffk@apple.com>
965 * dwarf2out.c (verify_marks_clear): New.
966 (prune_unused_types): Call verify_marks_clear initially, not
969 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
971 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
972 * doc/rtl.texi: Document them.
973 * simplify-rtx.c (simplify_unary_operation,
974 simplify_binary_operation_1): Don't abort when we see them.
976 2006-04-24 Mark Mitchell <mark@codesourcery.com>
979 2006-04-23 Mark Mitchell <mark@codesourcery.com>
980 * configure.ac: Completely disregard languages that are not
982 * configure: Regenerated.
984 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
985 Richard Guenther <rguenther@suse.de>
987 PR tree-optimization/27236
988 * tree-inline.c (copy_body_r): Make sure to copy
989 TREE_THIS_VOLATILE flag.
991 2006-04-24 Richard Guenther <rguenther@suse.de>
994 * tree-complex.c (update_parameter_components): Don't handle
995 unused parameters which have no default def.
997 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
998 Richard Guenther <rguenther@suse.de>
1000 PR tree-optimization/27218
1001 * tree-inline.c (expand_call_inline): Strip useless type
1002 conversions for the return slot address.
1004 2006-04-24 Richard Guenther <rguenther@suse.de>
1006 * cfgloop.h (struct loops): Remove unused field array. Reorder
1008 (LOOP_PREFETCH): Remove.
1010 2006-04-24 Richard Guenther <rguenther@suse.de>
1012 PR tree-optimization/22525
1013 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1014 variable, adjust types of generated expressions.
1016 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1018 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1019 (tree-vect-patterns.o): Likewise.
1021 (cselib.o): Likewise.
1022 (loop-doloop.o): Likewise.
1023 (regclass.o): Likewise.
1024 (reload1.o): Likewise.
1025 (explow.o): Replace target.h with $(TARGET_H).
1026 (ipa-prop.o): Likewise.
1027 (ipa-cp.o): Likewise.
1028 (ipa-inline.o): Likewise.
1029 (reorg.o): Likewise.
1030 (reg-stack.o): Likewise.
1032 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1034 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1036 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1038 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1040 * configure.ac: Completely disregard languages that are not
1042 * configure: Regenerated.
1045 * c-common.h (c_build_bitfield_integer_type): Declare.
1046 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1047 * c-common.c (c_build_bitfield_integer_type): ... here.
1049 2006-04-23 Roger Sayle <roger@eyesopen.com>
1052 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1053 a SImode SUBREG of a floating point register after no_new_pseudos.
1055 2006-04-23 Roger Sayle <roger@eyesopen.com>
1057 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1058 identify potentially eliminable registers to additionally catch
1059 VIRTUAL_INCOMING_ARGS_REGNUM.
1060 (addsi3): Update the conditions on when to use addsi_small_int.
1062 2006-04-23 Roger Sayle <roger@eyesopen.com>
1065 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1066 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1067 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1069 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1071 * fold-const.c (range_predecessor): Use operand_equal_p
1072 as the predicate for equality.
1073 (range_successor): Likewise.
1075 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1078 * config/soft-fp/op-common.h: Fix a typo.
1080 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1083 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1084 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1086 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1088 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1090 * doc/tm.texi: Fix a typo.
1092 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1094 * dwarf2out.c (struct die_struct): Document that die_sib makes
1095 a circular linked list.
1096 (FOR_EACH_CHILD): New.
1097 (reverse_die_lists): Delete.
1098 (reverse_all_dies): Delete.
1099 (add_dwarf_attr): Correct documentation.
1100 (remove_child_with_prev): New.
1101 (remove_child_TAG): Update for change to die_struct, use
1102 remove_child_with_prev.
1103 (add_child_die): Update for change to die_struct.
1104 (splice_child_die): Use remove_child_with_prev and add_child_die.
1105 (print_die): Use FOR_EACH_CHILD.
1106 (die_checksum): Likewise.
1107 (assign_symbol_names): Likewise.
1108 (output_location_lists): Likewise.
1109 (build_abbrev_table): Likewise.
1110 (calc_die_sizes): Likewise.
1111 (mark_dies): Likewise.
1112 (unmark_dies): Likewise.
1113 (unmark_all_dies): Likewise.
1114 (output_die): Likewise.
1115 (prune_unused_types_mark): Likewise.
1116 (prune_unused_types_walk): Likewise.
1117 (same_die_p): Update for change to die_struct.
1118 (break_out_includes): Likewise.
1119 (prune_unused_types_prune): Likewise.
1120 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1121 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1123 (dwarf2out_finish): Don't call reverse_all_dies.
1125 2006-04-21 Eric Christopher <echristo@apple.com>
1127 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1128 in comments and function names.
1130 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1133 * c-typeck.c (digest_init): Robustify.
1135 * c-typeck.c (pop_init_level): Simplify.
1137 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1139 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1141 2006-04-21 Paul Brook <paul@codesourcery.com>
1143 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1144 hardware floating point.
1146 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1148 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1151 2006-04-21 Nick Clifton <nickc@redhat.com>
1153 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1156 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1159 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1160 C++ lang type in traceback table for Objective-C++.
1162 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1164 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1166 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1168 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1171 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1172 were errors. Remove check for erroneous objects.
1174 2006-04-20 Jeff Law <law@redhat.com>
1176 PR tree-optimization/26854
1177 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1178 checking for zero or one use.
1179 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1180 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1181 * tree-ssa-reassoc.c (negate_value): Similarly.
1182 (reassociate_bb): Similarly.
1184 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1186 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1187 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1188 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1190 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1192 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1193 fp regs if the last fp arg doesn't fit in regs.
1195 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1198 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1199 that the last insn has the REG_INC note.
1201 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1202 Nathan Sidwell <nathan@codesourcery.com>
1205 * stor-layout.c (update_alignment_for_field): Do not align
1207 (place_union_field): Place union field at the start of the union.
1208 (place_field): Move ERROR_MARK check later, and use the current
1209 allocation position to maintain monotonicity.
1211 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1213 * dominance.c: Include timevar.h.
1214 (calculate_dominance_info): Use TV_DOMINANCE.
1215 * timevar.def (TV_DOMINANCE): New timevar.
1216 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1218 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1220 PR rtl-optimization/14261
1221 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1222 move would be an INSV insn.
1223 (noce_process_if_block): Don't optimize if the destination is a
1224 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1226 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1228 * config/s390/s390.md: Add comments with the instructions emitted
1229 by an insn pattern if macros are used.
1231 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1233 PR rtl-optimization/26026
1234 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1235 is a known power of two shifted left a variable amount.
1237 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1239 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1240 to hash table twice when the debug_str section has SECTION_MERGE.
1242 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1244 * config/soft-fp: New directory. From glibc.
1245 * config/soft-fp/t-softfp: New.
1246 * config/soft-fp/README: New.
1247 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1248 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1249 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1250 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1251 * config.gcc: Use rs6000/t-fprules-fpbit or
1252 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1254 * config/rs6000/sfp-machine.h: New. Based on glibc.
1255 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1257 * config/rs6000/t-fprules: Remove fp-bit rules.
1258 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1259 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1260 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1261 (softfp_wrap_start, softfp_wrap_end): New.
1263 2006-04-18 DJ Delorie <dj@redhat.com>
1265 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1267 2006-04-18 Devang Patel <dpatel@apple.com>
1269 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1271 2006-04-18 Nick Clifton <nickc@redhat.com>
1273 * config/sh/t-symbian: Add rule to build sh-c.o
1274 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1275 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1276 (sh_symbian_encode_section_info): Likewise.
1278 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1280 * builtins.c (expand_builtin_strcmp): Cover label definition of
1281 do_libcall with HAVE_cmpstrnsi.
1283 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1285 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1287 * function.h (temp_slot_p): New.
1288 (function): Change the type of x_used_temp_slots to
1289 VEC(temp_slot_p,gc) *.
1291 2006-04-18 Nick Clifton <nickc@redhat.com>
1293 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1294 flag_strength_reduce.
1296 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1298 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1302 Partial revert of revision 112637
1303 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1304 Dale Johannesen <dalej@apple.com>
1307 * regclass.c (struct reg_pref): Update documentation.
1308 (regclass): Set prefclass to NO_REGS if memory is the best option.
1309 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1311 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1313 PR tree-optimization/26821
1314 * tree-ssa-math-opts.c (get_constant_one): New.
1315 (insert_reciprocals): Use it.
1317 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1319 * dwarf2out.c (free_AT): Delete.
1320 (remove_AT): Update string ref counts.
1321 (remove_child_TAG): Don't call free_die.
1323 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1324 or DW_TAG_GNU_EINCL.
1325 (prune_unused_types_walk_attribs): Reset string refcounts.
1326 (prune_unused_types_update_strings): New.
1327 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1328 call free_die. Do call prune_unused_types_update_strings.
1329 (prune_unused_types): Empty debug_str_hash.
1331 2006-04-17 Roger Sayle <roger@eyesopen.com>
1333 * expr.c (expand_assignment): Optimize away no-op moves where the
1334 source and destination are equal and have no side-effects.
1336 2006-04-17 Richard Guenther <rguenther@suse.de>
1339 * reload.c (push_reload): Guard calls to get_secondary_mem
1342 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1344 * alias.c (reg_base_value, old_reg_base_value): Change the
1345 type to VEC(rtx,gc) *.
1346 (REG_BASE_VALUE, find_base_value, record_set,
1347 init_alias_analysis): Use VEC instead of VARRAY.
1349 * alias.c (alias_sets): Change the type to
1350 VEC(alias_set_entry,gc) *.
1351 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1352 VEC instead of VARRAY.
1353 (last_alias_set): Remove.
1355 * cgraph.h (cgraph_edge_p): New.
1356 Update the prototype of cgraph_function_versioning.
1357 * cgraphunit.c (cgraph_copy_node_for_versioning,
1358 cgraph_function_versioning): Use VEC instead of VARRAY.
1359 * ipa-cp.c (ipcp_insert_stage): Likewise.
1361 2006-04-16 Roger Sayle <roger@eyesopen.com>
1364 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1365 "A op B" or "A op C", we may need to convert A to the type of B and C.
1367 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1369 * target.h (struct gcc_target): Add mode_rep_extended.
1370 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1371 (init_num_sign_bit_copies_in_rep): Initialize it using
1373 (truncate_to_mode): Use it.
1374 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1375 * targhooks.h (default_mode_rep_extended): Declare it.
1376 * targhooks.c (default_mode_rep_extended): Define it.
1377 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1378 default_mode_rep_extended.
1379 (TARGET_INITIALIZER): Include it.
1380 * doc/tm.texi (Misc): Document it.
1381 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1382 (mips_truncated_to_mode): New function.
1384 2006-04-16 Roger Sayle <roger@eyesopen.com>
1387 * expr.c (compress_float_constant): Copy the narrow constant into
1388 a new pseudo before extending it to its final width.
1390 2006-04-16 Roger Sayle <roger@eyesopen.com>
1391 Andrew Pinski <pinskia@gcc.gnu.org>
1392 Dale Johannesen <dalej@apple.com>
1395 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1396 special case code to implement V8HImode and V16QImode with SSE2.
1398 2006-04-15 Roger Sayle <roger@eyesopen.com>
1400 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1401 trees are constructed with a suitable tree type.
1403 2006-04-15 Roger Sayle <roger@eyesopen.com>
1405 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1406 (integer_onep): Likewise.
1407 (integer_all_onesp): Likewise.
1408 (integer_pow2p): Likewise.
1409 (integer_nonzerop): Likewise.
1410 (real_zerop): Likewise.
1411 (real_onep): Likewise.
1412 (real_twop): Likewise.
1413 (real_minus_onep): Likewise.
1414 (int_size_in_bytes): Likewise.
1415 (host_integerp): Likewise.
1417 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1419 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1420 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1421 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1423 * tree-ssa-structalias.h (alias_info): Remove num_references.
1425 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1427 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1428 (output_bvb patterns): Likewise.
1429 * pa.c (output_bb): Use 'bb' insn for long branch case.
1430 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1431 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1432 1. Correct length operand for alternatives 1 and 2.
1433 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1434 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1436 2006-04-14 Roger Sayle <roger@eyesopen.com>
1438 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1439 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1440 were accidentally reverted by r112959.
1442 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1445 * except.h (eh_region_outermost): New prototype.
1446 * except.c (eh_region_outermost): New function.
1447 * tree-cfg.c (find_outermost_region_in_block): Use it.
1449 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1451 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1453 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1454 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1455 (init_reload, reload): Use VEC instead of VARRAY.
1456 * reload.h: Update the prototype for
1457 reg_equiv_memory_loc_varray.
1459 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1460 Eric Botcazou <ebotcazou@libertysurf.fr>
1462 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1465 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1468 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1469 to expand fallback builtin function call.
1471 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1474 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1475 and emit libcall here in case the builtin fails.
1476 (expand_builtin_strcmp): Always emit the libcall here on failure.
1478 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1480 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1481 * flow.c (reg_n_info): Change the type to
1482 VEC(reg_info_p,heap) *.
1483 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1485 * regs.h (reg_info_p): New.
1486 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1487 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1488 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1491 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1493 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1495 * params.h (MAX_SCHED_READY_INSNS): New macro.
1496 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1497 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1498 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1499 the ready list for 1 cycle during the first scheduling pass.
1500 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1502 2006-04-13 Richard Henderson <rth@redhat.com>
1505 * gimple-low.c (lower_omp_directive): Remove dead code.
1506 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1507 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1508 * omp-low.c (struct omp_region): Move to tree-flow.h.
1509 (root_omp_region): Export.
1510 (omp_regions, lookup_omp_region): Remove.
1511 (determine_parallel_type): Update for struct omp_region changes.
1512 (dump_omp_region): Dump regions with block numbers.
1513 (new_omp_region): Take type and block instead of stmt; malloc
1515 (free_omp_region_1, free_omp_regions): New.
1516 (expand_parallel_call): Take entry_stmt as argument; update for
1517 changes to omp_region.
1518 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1519 (remove_exit_barriers): New.
1520 (expand_omp_parallel): Update for struct omp_region changes.
1521 (expand_omp_synch): Likewise.
1522 (expand_omp): Likewise.
1523 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1524 (expand_omp_for_static_chunk): Likewise.
1525 (expand_omp_for): Likewise.
1526 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1527 (expand_omp_sections): Similarly, with GOMP_sections_end.
1528 (expand_omp_single): New.
1529 (build_omp_regions_1): Update for OMP_CONTINUE.
1530 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1531 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1532 OMP_SECTIONS_SECTIONS.
1533 (lower_omp_single_simple): Don't emit barrier here.
1534 (lower_omp_single_copy): Likewise.
1535 (lower_omp_single): Fix bindings, and lower to straightline now.
1536 (lower_omp_master, lower_omp_ordered): Likewise.
1537 (lower_omp_critical): Likewise.
1538 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1539 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1540 omp edges, free it afterward.
1541 (make_omp_sections_edges): Remove.
1542 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1543 (move_stmt_r): Handle OMP_CONTINUE.
1544 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1545 statement pointers to basic blocks. Add type member.
1546 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1547 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1548 * tree-inline.c (estimate_num_insns_1): Likewise.
1549 * tree-pretty-print.c (dump_generic_node): Likewise.
1550 * tree-ssa-operands.c (get_expr_operands): Likewise.
1551 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1552 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1553 (OMP_CONTINUE): New.
1554 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1555 (OMP_SECTIONS_SECTIONS): Remove.
1556 (OMP_SECTION_LAST): New.
1557 (OMP_RETURN_NOWAIT): New.
1559 2006-04-13 Roger Sayle <roger@eyesopen.com>
1561 * fold-const.c (native_encode_vector, native_interpret_real):
1562 Correct obvious mistakes in the previous check-in.
1564 2006-04-13 Roger Sayle <roger@eyesopen.com>
1566 * fold-const.c (native_encode_expr): New function to encode
1567 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1568 or VECTOR_CST into a specified buffer.
1569 (native_encode_int): New function.
1570 (native_encode_real): New function.
1571 (native_encode_complex): New function.
1572 (native_encode_vector): New function.
1573 (native_interpret_expr): Inverse of native_encode_expr to convert
1574 a target representation into an INTEGER_CST, REAL_CST etc...
1575 (native_interpret_int): New function.
1576 (native_interpret_real): New function.
1577 (native_interpret_complex): New function.
1578 (native_interpret_vector): New function.
1579 (fold_view_convert_expr): New function to constant fold/evaluate
1580 a VIEW_CONVERT_EXPR of a suitable constant expression.
1581 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1582 Change call of build1 to fold_build1 when constructing a
1585 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1586 Ulrich Weigand <uweigand@de.ibm.com>
1589 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1592 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1595 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1596 optimize to lo_sum for DFmode if !TARGET_FPRS.
1598 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1600 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1601 delete_alias_info, compute_flow_sensitive_aliasing,
1602 group_aliases): Use VEC instead of VARRAY.
1603 * tree-ssa-structalias.c (update_alias_info): Likewise.
1604 * tree-ssa-structalias.h (alias_info): Change the type of
1605 processed_ptrs to VEC(tree,heap) *.
1607 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1610 * config/sh/lib1funcs.h: New file, broken out of:
1611 * config/sh/lib1funcs.asm.
1612 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1614 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1615 * config/sh/lib1funcs-Os-4-200.asm: New file.
1616 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1617 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1618 (EXTRA_MULTILIB_PARTS): Include it.
1619 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1620 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1621 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1622 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1625 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1627 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1628 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1629 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1631 * tree-ssa-live.h: Include vecprim.h.
1632 (tree_partition_associator_d): Change the type of
1633 first_partition to VEC(int,heap) *.
1634 (tpa_first_partition): Use VEC instead of VARRAY.
1636 * Makefile.in (GTFILES): Move functions.h after tree.h.
1637 * function.c (reset_block_changes, record_block_change,
1638 check_block_change, free_block_changes): Use VEC instead of
1640 * function.h (function): Change the type of
1641 ib_boundaries_block to VEC(tree,gc) *.
1642 * tree-inline.c (copy_cfg_body): Initialize
1643 ib_boundaries_block to NULL instead of (varray_type) 0.
1645 2006-04-12 Roger Sayle <roger@eyesopen.com>
1647 * expr.c (emit_group_store): Correct operand order in call to
1648 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1649 a SUBREG_BYTE of zero.
1651 2006-04-12 Richard Guenther <rguenther@suse.de>
1653 * profile.c (compute_branch_probabilities): Remove code
1654 encapsulated in !ir_type (), which are remanents of the
1655 removed RTL profiling code.
1656 * rtl-profile.c: Remove.
1658 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1660 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1661 magic NULL_RTX comment.
1662 (function_arg): Store entire fp arg to mem if any part should go
1664 (rs6000_arg_partial_bytes): Adjust for above change.
1666 2006-04-11 Roger Sayle <roger@eyesopen.com>
1668 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1669 if it hasn't been initialized by dwarf2out_init.
1671 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1673 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1674 symbolic constants in branch patterns.
1676 2006-04-11 Roger Sayle <roger@eyesopen.com>
1678 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1680 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1682 PR rtl-optimization/27073
1683 * gcse.c (try_replace_reg): Revert last change. Continue to search
1684 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1687 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1689 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1690 aggregate types other than record and union types.
1691 (function_arg): Likewise.
1692 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1694 (function_value): In 64-bit mode, return objects that require it
1697 2006-04-11 Roger Sayle <roger@eyesopen.com>
1699 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1701 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1703 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1705 2006-04-03 Jeff Law <law@redhat.com>
1708 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1709 alias information too.
1711 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1713 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1715 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1718 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1719 (premark_used_types_helper): New.
1720 (premark_used_types): New.
1721 (gen_subprogram_die): Call premark_used_types.
1722 (prune_unused_types_walk): Do not prune perennial dies.
1723 * function.c (used_types_insert): New.
1724 * function.h (struct function): Add used_types_hash field.
1725 (used_types_insert): Add prototype.
1726 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1727 * c-parser.c (c_parser_cast_expression): Save casted types in used
1730 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1733 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1734 rs6000_explicit_options.float_gprs.
1736 2006-04-10 Roger Sayle <roger@eyesopen.com>
1738 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1739 from ix86_expand_vector_init_low_nonzero. Take an additional
1740 one_var argument indicating which element is non-zero. Support
1741 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1742 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1743 with one_var instead of ix86_expand_vector_init_low_nonzero.
1745 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1747 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1748 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1749 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1750 build/genextract.o): Depend on vecprim.h.
1751 * cfglayout.c, df-problems.c, function.c, genextract.c,
1752 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1753 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1757 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1759 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1760 Declare VECs of this type.
1761 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1762 (remove_children): Delete.
1763 (add_dwarf_attr): Use VEC routines.
1764 (add_AT_flag): Update for changes to add_dwarf_attr.
1765 (add_AT_int): Likewise.
1766 (add_AT_unsigned): Likewise.
1767 (add_AT_long_long): Likewise.
1768 (add_AT_vec): Likewise.
1769 (add_AT_string): Likewise.
1770 (add_AT_die_ref): Likewise.
1771 (add_AT_fde_ref): Likewise.
1772 (add_AT_loc): Likewise.
1773 (add_AT_loc_list): Likewise.
1774 (add_AT_addr): Likewise.
1775 (add_AT_lbl_id): Likewise.
1776 (add_AT_lineptr): Likewise.
1777 (add_AT_macptr): Likewise.
1778 (add_AT_offset): Likewise.
1779 (add_AT_range_list): Likewise.
1780 (get_AT): Use VEC_iterate.
1781 (remove_AT): Use VEC_ordered_remove.
1782 (free_die): Fold remove_children into here; have it use VEC_iterate.
1783 (print_die): Use VEC_iterate on attrs.
1784 (reverse_die_lists): Don't reverse attr lists.
1785 (die_checksum): Use VEC_iterate on attrs.
1786 (same_die_p): Likewise.
1787 (output_location_lists): Likewise.
1788 (build_abbrev_table): Likewise.
1789 (size_of_die): Likewise.
1790 (unmark_all_dies): Likewise.
1791 (output_abbrev_section): Likewise.
1792 (output_die): Likewise.
1793 (prune_unused_types_walk_attribs): Likewise.
1795 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1797 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1799 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1802 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1804 2006-04-09 Roger Sayle <roger@eyesopen.com>
1806 * expr.c (store_constructor): Don't bother clearing target if
1807 we're about to assign a vector to it using vec_init_optab.
1809 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1811 * tree-ssa-alias.c (lhs_may_store_to): New function.
1812 (recalculate_used_alone): Handle LHS of calls.
1814 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1818 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1819 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1820 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1821 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1822 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1823 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1824 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1825 stubs. Add ".align 8" directives before all ".dword" directives.
1826 (GTHREAD_USE_WEAK): Revise comment.
1827 (TARGET_ATTRIBUTE_WEAK): Define.
1828 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1829 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1830 * stublib.c: New file.
1835 * pa.md (cbranch patterns): Revise arguments used in calls to
1836 output_cbranch, output_bb and output_bvd. Add long branch length
1838 (fbranch patterns): Handle long branches.
1839 (jump): Revise length check. Revise arguments for output_lbranch call.
1840 Add long branch length attributes.
1841 (decrement_and_branch_until_zero): Add long branch length attributes.
1842 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1843 Likewise. Revise arguments for output_parallel_addb and
1844 output_parallel_movb calls.
1845 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1846 output_parallel_movb and output_parallel_addb): Update prototypes.
1847 * pa.c (output_cbranch): Revise arguments. Correct handling of
1848 nullification in long branches.
1849 (output_lbranch): Add new argument to control extraction of delay
1851 (output_bb): Handle long branches.
1852 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1853 output_parallel_addb): Likewise.
1855 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1857 PR rtl-optimization/27073
1858 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1861 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1863 * tree.h (tree_memory_tag): Add old_used_alone.
1864 (SMT_OLD_USED_ALONE): New macro.
1865 * tree-ssa-alias.c (recalculate_used_alone): Stop
1866 marking things for renaming unnecessarily.
1868 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1870 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1871 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1872 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1873 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1874 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1875 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1876 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1877 spelling convensions.
1878 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1879 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1880 typos. Follow spelling conventions.
1882 2006-04-07 DJ Delorie <dj@redhat.com>
1884 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1885 passed on the stack.
1886 (m32c_init_cumulative_args): When a function returns a structure,
1887 always pass the pointer to that return area on the stack.
1888 (m32c_function_arg_advance): Don't increment the parameter number
1889 if we're processing the returned structure pointer.
1890 (pushm_info): Reverse order of registers.
1892 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1894 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1895 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1896 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1897 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1899 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1900 chrec_fold_multiply): Same.
1901 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1902 force_expr_to_var_cost): Same.
1903 * tree-mudflap.c (mf_xform_derefs_1): Same.
1904 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1906 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1908 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1909 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1912 2006-04-07 Jan Hubicka <jh@suse.cz>
1914 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1916 2006-04-07 Richard Guenther <rguenther@suse.de>
1918 PR tree-optimization/26135
1919 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1920 loads for store copy-prop.
1921 (copy_prop_visit_stmt): Likewise.
1923 2006-04-05 Robert Millan <robertmh@gnu.org>
1925 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1926 being overriden in config/k*bsd-gnu.h.
1927 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1929 * gcc/config/knetbsd-gnu.h: Ditto.
1931 2006-04-06 Jan Hubicka <jh@suse.cz>
1935 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1938 2006-04-06 Mike Stump <mrs@apple.com>
1940 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1941 for HAVE_nonlocal_goto to be consistent.
1942 (expand_builtin_nonlocal_goto): Likewise.
1943 (expand_builtin_strcmp): Use #ifdef instead of #if
1944 for HAVE_cmpstrnsi to be consistent.
1946 2006-04-05 DJ Delorie <dj@redhat.com>
1948 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1951 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1953 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1954 got-relative addressing for anything but SImode.
1956 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1957 even if the calling function doesn't modify them.
1959 2006-04-05 Richard Guenther <rguenther@suse.de>
1961 PR tree-optimization/26919
1962 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1963 to cgraph_estimate_size_after_inlining.
1965 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1967 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1969 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1971 PR tree-optimization/26996
1972 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1973 VECTOR_TYPE variables.
1975 2006-04-05 Richard Guenther <rguenther@suse.de>
1977 PR tree-optimization/26763
1978 * fold-const.c (fold_comparison): Move folding of
1979 PTR + CST CMP PTR + CST ...
1980 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1982 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1984 * doc/install.texi (Prerequisites): Refine some wording on
1985 bootstrapping and ksh.
1986 Move the version numbers of DejaGnu here from the testing section
1987 and fix casing of names.
1988 Fix markup and clarify wording for autogen requirements.
1989 Refer to GCJ instead of just java.
1990 Refer to SVN instead of CVS.
1991 Describe diffutils as useful instead of necessary.
1992 (Downloading the source): Refer to SVN instead of CVS.
1993 Adjust a link to our web site accordingly.
1994 (Configuration): Fix casing of Bison.
1995 (Building): Refer to SVN instead of CVS.
1996 Fix a sentence on the use of Bison and remove duplicate (and
1997 incorrect) version number of Bison requirement.
1998 Remove one redundant list of packages needed for building.
1999 (Specific): Avoid reference to CVS.
2001 2006-04-04 Eric Christopher <echristo@apple.com>
2003 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2004 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2005 (rs6000_handle_struct_attribute): New.
2006 (rs6000_ms_bitfield_layout_p): Ditto.
2008 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2010 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2011 NULL for dso parameter to atexit_common.
2013 2006-04-04 Eric Christopher <echristo@apple.com>
2015 * config/i386/i386.c (machopic_output_stub): Output \t
2016 between instructions and operands.
2018 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2020 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2021 satisfies_constraint_[IL] to explicit tests on value.
2023 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2025 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2026 set_nb_iterations_in_loop): Use build_int_cst instead of
2028 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2029 build_int_cst instead of convert.
2031 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2033 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2034 new value 2 for incoming.
2035 * function.c (expand_function_start): Call struct_value_rtx
2037 * config/sparc/sparc.md: Comment updated_return.
2038 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2039 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2040 struct return if sparc_std_struct_return and incoming is 2.
2041 (print_operand): Do not adjust return if
2042 sparc_std_struct_return.
2044 2006-04-04 Roger Sayle <roger@eyesopen.com>
2046 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2047 convert in the middle-end.
2048 * expr.c (store_expr, store_constructor, get_inner_reference,
2049 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2051 * tree.c (build_range_type): Likewise.
2053 2006-04-04 Tom Tromey <tromey@redhat.com>
2055 * doc/install.texi (Prerequisites): Mention jar.
2057 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2059 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2062 2006-04-04 Matthias Klose <doko@debian.org>
2064 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2065 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2068 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2070 * doc/extend.texi (Function Attributes): Rewrite visibility
2071 attribute documentation.
2072 * doc/invoke.texi (C++ Dialect Options): Rewrite
2073 -fvisibility-inlines-hidden documentation to describe something
2074 entirely different, although in practise compatible.
2075 (Code Gen Options): Warn about system headers in -fvisibiltity=
2078 * doc/extend.texi (Other Builtins): Document that
2079 __builtin_nan is a compile-time constant only when its argument
2082 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2084 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2085 trying to remove TRUNCATE check if all bits outside the new mode
2086 are identical to the sign bit.
2088 2006-04-03 Jeff Law <law@redhat.com>
2090 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2091 and operand scanning in some common cases.
2093 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2094 Dale Johannesen <dalej@apple.com>
2097 * regclass.c (struct reg_pref): Update documentation.
2098 (regclass): Set prefclass to NO_REGS if memory is the best option.
2099 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2100 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2101 into account. For non-registers, equate an empty preferred
2102 reload class to a `!' in the constraint; move the if clause to
2103 do so after those that reject the insn.
2104 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2106 (find_dummy_reload): Likewise.
2107 * doc/tm.texi (Register Classes): Document what it means
2108 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2109 * config/i386/i386.c (ix86_preferred_reload_class): Force
2110 using SSE registers (and return NO_REGS for floating-point
2111 constants) if math is done with SSE.
2112 (ix86_preferred_output_reload_class): New.
2113 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2114 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2115 * config/i386/i386.md: Remove # register preferences.
2117 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2120 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2121 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2122 the type of nb_iter.
2123 (instantiate_parameters_1): Convert the operands before calling
2124 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2125 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2127 2006-04-02 Roger Sayle <roger@eyesopen.com>
2129 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2130 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2132 * dojump.c (do_jump): Likewise.
2133 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2134 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2135 gimplify_boolean_expr): Likewise.
2136 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2137 * varasm.c (array_size_for_constructor): Likewise.
2138 * tree-object-size.c (compute_object_offset): Likewise.
2140 2006-04-02 Roger Sayle <roger@eyesopen.com>
2143 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2144 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2146 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2148 PR tree-optimization/26939
2149 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2151 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2153 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2154 at_stmt. Convert the type of operands before calling
2155 build_polynomial_chrec.
2156 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2158 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2159 (instantiate_parameters_1): Convert the type of operands before calling
2160 build_polynomial_chrec.
2161 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2162 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2163 reset_evolution_in_loop): Insert asserts to check the types of the
2165 (chrec_type): Moved...
2166 (eq_evolutions_p): Use operand_equal_p.
2167 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2168 the types of the operands.
2169 (chrec_type): ...here.
2170 * tree-data-ref.c (create_data_ref): Convert the operands before
2171 calling chrec_replace_initial_condition.
2172 (same_access_functions, analyze_subscript_affine_affine,
2173 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2174 (compute_subscript_distance, analyze_ziv_subscript,
2175 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2176 analyze_miv_subscript): Convert the operands before calling
2177 chrec_fold_minus or chrec_fold_plus.
2179 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2181 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2182 the dependence_relations vector.
2183 (compute_data_dependences_for_loop): Adjust call to
2184 compute_all_dependences.
2186 2006-04-01 Roger Sayle <roger@eyesopen.com>
2187 Richard Henderson <rth@redhat.com>
2189 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2190 gimple_boolify on the condition before calling gimplify_expr.
2192 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2194 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2195 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2196 the frame size. Update to use the new macros.
2197 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2198 * config/xtensa/ieee754-df.S: Likewise.
2200 2006-03-31 Richard Henderson <rth@redhat.com>
2202 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2203 (make_edges): ... here. Control fallthru creation with a local
2204 variable. Do not play with fake edges.
2205 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2206 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2209 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2211 * dwarf2.h (DW64_CIE_ID): Define.
2212 * dwarf2out.c (DWARF_CIE_ID): Define.
2213 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2214 length header. Use DWARF_CIE_ID.
2215 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2216 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2218 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2220 * config/sh/linux-atomic.asm: New file.
2221 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2223 2006-03-31 DJ Delorie <dj@redhat.com>
2225 * config/m32c/cond.md: Set condition flags properly throughout.
2226 * config/m32c/minmax.md: Likewise.
2227 * config/m32c/prologue.md: Likewise.
2228 * config/m32c/bitops.md: Likewise.
2229 * config/m32c/muldiv.md: Likewise.
2230 * config/m32c/mov.md: Likewise.
2231 * config/m32c/addsub.md: Likewise.
2232 * config/m32c/m32c.md: Likewise.
2233 * config/m32c/jump.md: Likewise.
2234 * config/m32c/shift.md: Likewise.
2236 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2237 conditionally output the pattern for this.
2238 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2239 (m32c_compare_redundant): New.
2240 (m32c_output_compare): New.
2241 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2243 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2244 dest, not src. Allow other 4-byte modes.
2246 2006-03-30 Denis Chertykov <denisc@overta.ru>
2248 * doc/md.texi: Refer to avr/constraints.md instead of
2251 2006-03-30 Roger Sayle <roger@eyesopen.com>
2253 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2254 signed vs. unsigned comparison failures on some hosts.
2256 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2259 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2260 change to FLOAT_REGS.
2262 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2263 (rs6000_override_options): Use it.
2264 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2265 only for -mabi=spe/no-spe and -mabi=altivec.
2267 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2269 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2272 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2274 * Makefile.in: Rename docdir to gcc_docdir.
2276 2006-03-30 Roger Sayle <roger@eyesopen.com>
2279 * expr.c (emit_group_store): Optimize group stores into a pseudo
2280 register by using a paradoxical subreg to initialize the destination
2281 if the first or last member of the group specifies a "low part".
2283 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2286 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2287 * target.h (struct gcc_target.speculate_insn): Change type of the
2288 second parameter to 'int'.
2289 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2290 the second operand of the DEPS_LIST.
2291 (copy_DEPS_LIST_list): Update reference to the second operand of the
2293 * rtl.h (alloc_DEPS_LIST): Update signature.
2294 * sched-int.h (ds_t): Change typedef to 'int'.
2295 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2297 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2299 * haifa-sched.c (try_ready): Change condition to restore
2300 non-speculative pattern of the instruction.
2301 (process_insn_depend_be_in_spec): Code to keep probability of the
2302 speculative dependence non-decreasing.
2304 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2306 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2307 (single_move_for_movmem): ... this. Also change all uses.
2308 (bfin_expand_strmov): Renamed to...
2309 (bfin_expand_movmem): ... this. Also change all uses.
2310 * config/bfin/bfin.md (movstrsi): Renamed to...
2311 (movstrsi): ...this.
2313 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2315 PR tree-optimization/26830
2317 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2318 (copy_prop_visit_stmt): Remove write-only variable ann.
2319 (init_copy_prop): Check variable loop depth here. Do not simulate
2320 memory-tag and virtual operand PHIs except for store copy prop.
2322 2006-03-30 Richard Guenther <rguenther@suse.de>
2324 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2325 variants with double arguments.
2327 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2329 * genpreds.c (write_tm_constrs_h): Delete variable p.
2330 * genconditions.c (write_header): Add tm-constrs.h to included
2332 * genpeep.c (main): Add toplev.h to included headers.
2333 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2334 (build/genpeep.o): Add toplev.h dependency.
2335 * config/rs6000/constraints.md: Add "W" constraint.
2337 2006-03-29 Roger Sayle <roger@eyesopen.com>
2339 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2340 sizes by correctly testing whether the size fits a host integer.
2341 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2342 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2343 SImode range for the default sizetype and bitsizetype.
2345 2006-03-29 Roger Sayle <roger@eyesopen.com>
2347 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2348 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2349 quickly if the argument is already of the correct type.
2350 Call fold_build1 instead of build1. Tidy up blank lines.
2352 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2354 * genemit.c (main): Add tm-constrs.h to included headers.
2355 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2356 * genpeep.c (main): Add tm-constrs.h to included headers.
2357 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2358 (write_tm_constrs_h): this and write complete file.
2359 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2360 (write_insn_preds_c): Add tm-constrs.h to included headers.
2361 (gen_constrs): New variable.
2362 (parse_option): Parse "-c".
2363 (main): Invoke write_tm_constrs_h.
2364 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2365 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2366 (object_out_file): Add tm-constrs.h dependency.
2367 (insn-emit.o): Same.
2368 (insn-output.o): Same.
2369 (insn-peep.o): Same.
2370 (insn-preds.o): Same.
2371 (insn-recog.o): Same.
2372 (tm-constsr.h): New target.
2373 (s-constrs-h): New target.
2375 * config/rs6000/constraints.md: New file.
2376 * config/rs6000/rs6000.c: Include tm-constrs.h.
2377 (num_insn_constant_wide): Convert to satisfies_constraint.
2378 (rs6000_rtx_costs): Convert to satisfies_constraint.
2379 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2380 (CONST_OK_FOR_LETTER_P): Delete.
2381 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2382 (EXTRA_CONSTRAINT): Delete.
2383 (EXTRA_MEMORY_CONSTRAINT): Delete.
2384 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2385 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2386 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2387 satisfies_constraint.
2389 * config/i386/i386.c: Include tm-constrs.h.
2391 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2393 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2394 * tree-data-ref.c (find_data_references_in_loop,
2395 compute_data_dependences_for_loop): Use pointers to VEC.
2396 (analyze_all_data_dependences): Adjust calls.
2397 * tree-data-ref.h (find_data_references_in_loop,
2398 compute_data_dependences_for_loop): Adjust declarations.
2399 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2400 compute_data_dependences_for_loop.
2402 2006-03-29 Paul Brook <paul@codesourcery.com>
2404 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2407 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2409 PR tree-optimization/26859
2410 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2412 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2413 for the step after fold_convert.
2415 2006-03-29 Paul Brook <paul@codesourcery.com>
2417 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2418 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2420 2006-03-29 Paul Brook <paul@codesourcery.com>
2423 * targhooks.c (default_narrow_bitfield): New fuction.
2424 * targhooks.h (default_narrow_bitfield): add prototype.
2425 * target.h (gcc_target): Add narrow_volatile_bitfield.
2426 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2427 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2428 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2429 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2431 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2433 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2435 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2436 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2437 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2438 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2439 (s390_function_arg_float): Allow SDmode and DDmode values to be
2440 passed in floating point registers.
2441 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2442 check with SCALAR_FLOAT_MODE_P.
2443 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2445 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2447 PR tree-optimization/25985
2448 * tree-ssa-loop-niter.c (number_of_iterations_le,
2449 number_of_iterations_ne): Make comments more precise.
2450 (number_of_iterations_cond): Add only_exit argument. Use the
2451 fact that signed variables do not overflow only when only_exit
2453 (loop_only_exit_p): New.
2454 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2455 number_of_iterations_cond.
2457 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2459 PR tree-optimization/26643
2460 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2463 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2465 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2466 (divsi3_i4_int): Likewise.
2468 2006-03-28 Roger Sayle <roger@eyesopen.com>
2470 * expr.c (emit_group_store): Only create a new pseudo reg if the
2471 quantity it needs to hold isn't already a suitable pseudo.
2473 2006-03-28 Jeff Law <law@redhat.com>
2475 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2476 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2478 2006-03-28 Roger Sayle <roger@eyesopen.com>
2480 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2481 the equivalent ~X & Y, and the symmetry related transformations.
2482 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2483 ~X & Y, and symmetry related transforms.
2485 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2487 Revert my 2006-03-27 patches.
2489 2006-03-28 Roger Sayle <roger@eyesopen.com>
2491 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2492 ~(T1)X, when T1 and T2 are integer types of the same precision
2493 and (T2)X isn't an extension.
2495 2006-03-28 Jeff Law <law@redhat.com>
2497 PR tree-optimization/26796
2498 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2499 need EH edge cleanups rather than purging them immediately.
2500 (eliminate_degenerate_phis): Handle queued EH cleanups.
2502 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2504 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2507 2006-03-27 Roger Sayle <roger@eyesopen.com>
2510 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2511 cast BIT_NOT_EXPR operand to the correct type.
2513 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2515 * tree-loop-linear.c: Don't include varray.h.
2516 (gather_interchange_stats, try_interchange_loops,
2517 linear_transform_loops): Use VEC instead of VARRAY.
2518 * lambda-mat.c: Don't include varray.h.
2519 * tree-chrec.c: Same.
2520 * lambda-trans.c: Same.
2521 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2522 VEC instead of VARRAY.
2523 * tree-vectorizer.h: Idem.
2524 * tree-data-ref.c (dump_data_references,
2525 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2526 initialize_data_dependence_relation, finalize_ddr_dependent,
2527 compute_all_dependences, find_data_references_in_loop,
2528 compute_data_dependences_for_loop, analyze_all_data_dependences,
2529 free_dependence_relation, free_dependence_relations,
2530 free_data_refs): Idem.
2531 * tree-data-ref.h (data_reference_p, subscript_p): New.
2532 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2533 VEC instead of VARRAY.
2534 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2535 (find_data_references_in_loop, compute_data_dependences_for_loop,
2536 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2537 dump_data_dependence_relations, free_dependence_relations,
2538 free_data_refs): Adjust declaration.
2539 (lambda_transform_legal_p): Move declaration here...
2540 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2541 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2542 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2543 vect_analyze_data_refs): Use VEC instead of VARRAY.
2544 * lambda.h (lambda_transform_legal_p): ...from here.
2545 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2546 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2547 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2548 tree-chrec.o): Don't depend on VARRAY_H.
2550 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2552 * rtl.def (Copyright): Update date.
2553 (DEPS_LIST): Change type of the second operand to 'int'.
2554 * target.h (Copyright): Update date.
2555 (struct gcc_target.speculate_insn): Change type of the second parameter
2557 * lists.c (Copyright): Update date.
2558 (alloc_DEPS_LIST): Change signature. Update reference to the second
2559 operand of the DEPS_LIST.
2560 (copy_DEPS_LIST_list): Update reference to the second operand of the
2562 * rtl.h (Copyright): Update date.
2563 (alloc_DEPS_LIST): Update signature.
2564 * sched-int.h (Copyright): Update date.
2565 (ds_t): Change typedef to 'int'.
2566 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2568 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2570 * haifa-sched.c (Copyright): Update date.
2571 (try_ready): Change condition to restore non-speculative pattern
2573 (process_insn_depend_be_in_spec): Code to keep probability of the
2574 speculative dependence non-decreasing.
2576 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2578 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2579 shut up the compiler.
2581 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2583 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2584 to use lib prefix for target.
2585 ($(T)libic_invalidate_array_4-200.a): Likewise.
2586 ($(T)libic_invalidate_array_4a.a): Likewise.
2588 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2589 J"orn Rennecke <joern.rennecke@st.com>
2591 * superh.opt: New file.
2592 * sh.c (boardtype, osruntime): Remove.
2593 * superh.h (SUBTARGET_OPTIONS): Remove.
2594 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2596 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2597 arguments with ^ and/or [].
2599 * config.gcc (sh-*-*): Add quoting to account for quirk of
2601 Replace == with = in enable_incomplete_targets test.
2603 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2604 with MASK_LITTLE_ENDIAN.
2606 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2607 * config/sh/sh.opt: Added to some comments.
2608 * config/sh/superh.h: Removed some chaff.
2610 * config/sh/sh.opt: Add m4-[1234]00* options.
2611 * config/sh/sh.c (sh_handle_option): Likewise.
2612 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2613 (ic_invalidate_array_4-100.o): New rule.
2614 ($(T)libic_invalidate_array_4-100.a): Likewise.
2615 (ic_invalidate_array_4-200.o): Likewise.
2616 ($(T)libic_invalidate_array_4-200.a): Likewise.
2617 (ic_invalidate_array_4a.o): Likewise.
2618 ($(T)libic_invalidate_array_4a.a): Likewise.
2619 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2620 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2622 * config/sh/crt1.asm: Merged in profiling code.
2623 * config/sh/superh.h (STARTFILE_SPEC): Override.
2624 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2625 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2626 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2628 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2629 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2630 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2632 * sh.opt (mpretend-cmove): New option.
2633 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2634 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2635 (movsicc): Add TARGET_PRETEND_CMOVE code.
2637 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2639 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2640 s390_class_max_nregs): New function prototypes.
2641 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2642 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2643 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2644 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2646 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2648 * dwarf2out.c (add_location_or_const_value_attribute): Call
2649 tree_add_const_value_attribute if nothing else works.
2650 (reference_to_unused): New.
2651 (rtl_for_decl_init): Use reference_to_unused to decide whether
2652 to output an initializer.
2654 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2657 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2658 peephole removing spe frob_di_df_2.
2660 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2662 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2663 (subscript_dependence_tester_1): Declared.
2664 (print_dir_vectors, print_dist_vectors): New.
2665 (debug_data_dependence_relation): New.
2666 (dump_data_dependence_relation): Print more details.
2667 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2668 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2669 (save_dist_v, save_dir_v, add_outer_distances,
2670 build_classic_dist_vector_1): New.
2671 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2672 Don't test for lambda_vector_lexico_pos.
2673 (same_access_functions, add_multivariate_self_dist,
2674 add_other_self_distances, dir_from_dist): New.
2675 (build_classic_dir_vector): Replace implementation almost identical to
2676 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2678 (subscript_dependence_tester_1): New.
2679 (subscript_dependence_tester): Handle the lexicographically negative
2680 distance vectors by recomputing the dependence relation.
2681 (compute_affine_dependence): Remove parameter loop_nest_depth.
2682 (compute_self_dependence): Don't call compute_subscript_distance.
2683 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2684 Add a parameter for the loop_nest.
2685 (find_loop_nest_1, find_loop_nest): New.
2686 (compute_data_dependences_for_loop): Compute the loop nest, and give
2687 up if the nest is not well formed.
2688 * tree-data-ref.h (loop_p): New.
2689 (struct data_dependence_relation): Replace size_vect field with
2690 loop_nest, a vec of loops.
2691 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2692 (DDR_LOOP_NEST): New.
2693 (print_dir_vectors, print_dist_vectors,
2694 debug_data_dependence_relation): Declared.
2695 (index_in_loop_nest): New.
2696 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2697 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2700 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2702 * simplify-rtx.c (simplify_relational_operation): Call
2703 simplify_relational_operation_1 even if mode is VOIDmode.
2705 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2707 PR tree-optimization/26804
2708 * tree.h (DECL_CALL_CLOBBERED): New macro.
2709 (tree_decl_common): Add call_clobbered_flag.
2710 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2711 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2712 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2713 (mark_non_addressable): Ditto.
2714 * tree-ssa.c (verify_call_clobbered): New function.
2715 (verify_alias_info): Use it.
2716 * tree-pass.h (pass_reset_cc_flags): New prototype.
2717 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2718 (reset_cc_flags): New function.
2719 * passes.c (init_optimization_passes): Call reset_cc_flags after
2720 initializing referenced_vars.
2722 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2723 Roger Sayle <roger@eyesopen.com>
2726 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2727 to 1.0 for non-real operands. Implement A / A optimization for
2730 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2732 * config/i386/i386.c (size_cost): Correct the comment for
2733 cost of storing fp registers.
2734 (i386_cost): Likewise.
2735 (i486_cost): Likewise.
2736 (pentium_cost): Likewise.
2737 (pentiumpro_cost): Likewise.
2738 (k6_cost): Likewise.
2739 (athlon_cost): Likewise.
2740 (k8_cost): Likewise.
2741 (pentium4_cost): Likewise.
2742 (nocona_cost): Likewise.
2743 (generic64_cost): Likewise.
2744 (generic32_cost): Likewise.
2746 2006-03-24 Denis Chertykov <denisc@overta.ru>
2748 * config/avr/avr-protos.h (extra_constraint): Delete.
2749 (extra_constraint_Q): New declaration.
2750 * config/avr/constraints.md: New file.
2751 * config/avr/avr.md: Include it.
2752 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2753 (TMP_REGNO, ZERO_REGNO): Likewise.
2754 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2755 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2756 (extra_constraint): Delete.
2757 (extra_constraint_Q): Test for memory constraint 'Q'.
2758 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2759 (REG_CLASS_FROM_LETTER): Delete.
2760 (CONST_OK_FOR_LETTER_P): Delete.
2761 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2762 (EXTRA_CONSTRAINT): Delete.
2763 (TMP_REGNO): Delete.
2764 (ZERO_REGNO): Delete.
2766 2006-03-24 Jeff Law <law@redhat.com>
2768 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2769 directly. Call mark_new_vars_to_rename slightly earlier.
2771 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2773 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2775 (gen_compile_unit_die): Use new language types for Objective-C and
2777 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2778 DW_LANG_C_plus_plus.
2781 * config/t-darwin (crt3.o): Work around bug 26840.
2782 * config/darwin-crt3.c: Rewrite.
2783 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2785 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2787 * doc/invoke.texi: Document -femit-class-debug-always
2788 * common.opt: Add -femit-class-debug-always.
2790 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2792 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2793 index and base register.
2794 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2795 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2796 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2797 REGNO_OK_FOR_INDEX_P.
2798 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2800 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2801 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2802 REG_OK_FOR_BASE_P): Definitions removed.
2804 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2807 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2808 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2809 set yet or weren't marked as local yet.
2811 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2813 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2816 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2818 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2819 (rs6000_legitimate_small_data_p): Delete.
2820 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2821 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2822 and make static. Add forward declaration. Update uses.
2823 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2824 of offsettable_memref_p.
2825 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2826 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2828 2006-03-24 Jeff Law <law@redhat.com>
2830 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2831 around bug in immediate-use iterator.
2833 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2836 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2837 or __LITTLE_ENDIAN__.
2839 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2841 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2842 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2843 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2844 * config/sh/sh.opt (mdiv=): Amend description.
2845 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2846 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2847 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2848 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2849 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2850 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2851 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2852 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2853 TARGET_DIVIDE_CALL_FP.
2855 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2857 * haifa-sched.c (choose_ready): Fix type of the local variable.
2858 Move local variables. Add comment.
2859 (check_reg_live): Change signature. Make callable from debugger.
2860 * sched-int.h (check_reg_live): Update signature.
2861 * sched-ebb.c (check_reg_live): Update parameters.
2862 * sched-rgn.c (check_reg_live): Ditto.
2863 (region_head_or_leaf_p): Check pointer before dereferencing.
2864 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2865 before reload on optimization levels below 1.
2867 2006-03-23 Richard Henderson <rth@redhat.com>
2869 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2873 * config/alpha/predicates.md (local_symbolic_operand): Reject
2876 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2879 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2880 expressions which have overflowed constants.
2882 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2884 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2886 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2888 * cfgloopmanip.c (create_loop_notes): Removed.
2889 * final.c (final_scan_insn): Do not handle loop notes.
2890 * jump.c (squeeze_notes): Ditto.
2891 * cfglayout.c (skip_insns_after_block,
2892 duplicate_insn_chain): Ditto.
2893 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2895 * cfgloop.h (create_loop_notes): Declaration removed.
2897 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2899 * varasm.c (output_constant_pool): Restore fnname and fndecl
2901 (assemble_start_function): Adjust call accordingly.
2902 (assemble_end_function): Likewise.
2904 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2907 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2910 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2912 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2915 * system.h (ICE_EXIT_CODE): New macro.
2916 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2917 (diagnostic_action_after_output): Likewise.
2918 * gcc.c (fatal_ice): New function.
2919 (execute): Use it instead of fatal.
2920 (fancy_abort): Likewise.
2921 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2923 2006-03-22 Jeff Law <law@redhat.com>
2925 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2926 iv_analyze_result returning false.
2928 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2930 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2932 2006-03-22 Richard Henderson <rth@redhat.com>
2935 * except.c (duplicate_eh_regions_0): New.
2936 (duplicate_eh_region_1): Duplicate the children of the node as
2937 well as the node itself. Link them up properly.
2938 (duplicate_eh_region_2): Merge into ...
2939 (duplicate_eh_regions): ... here. Take copy_region argument, and
2940 copy only a sub-tree if asked. Simplify copying and fixup.
2941 (eh_region_outer_p): New.
2942 * except.h (duplicate_eh_regions): Update decl.
2943 (eh_region_outer_p): Declare.
2944 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2945 (lower_omp_master): Likewise.
2946 (lower_omp_ordered): Likewise.
2947 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2948 (move_stmt_r): Use it to remap labels. Handle recursion vs
2949 remap_decls_p properly.
2950 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2951 (find_outermost_region_in_block): New.
2952 (new_label_mapper): New.
2953 (move_sese_region_to_fn): Copy eh information to the new function
2955 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2957 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2960 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2962 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2963 into shared libraries.
2965 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2967 * doc/md.texi: Refer to i386/constraints.md instead of
2969 * config/i386/constraints.md: New file, extracted from...
2970 * config/i386/predicates.md: ...here.
2971 * config/i386/i386.md: Include constraints.md.
2973 2006-03-21 Jason Merrill <jason@redhat.com>
2975 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2978 * expr.c (init_block_move_fn): Force default visibility.
2979 (init_block_clear_fn): Likewise.
2980 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2981 * targhooks.c (default_external_stack_protect_fail): Likewise.
2983 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2985 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2986 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2987 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2988 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2989 (loadgp): Use mips_current_loadgp_style.
2990 (loadgp_noshared): New pattern.
2991 (sibcall_internal): Use MIPS_CALL.
2992 (sibcall_value_internal): Likewise.
2993 (sibcall_value_multiple_internal): Likewise.
2994 (call_internal): Likewise.
2995 (call_value_internal): Likewise.
2996 (call_value_multiple_internal): Likewise.
2997 (call_split): Use MIPS_CALL and add an 'S' constraint.
2998 (call_value_split): Likewise.
2999 (call_value_multiple_split): Likewise.
3000 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3001 (-mshared): New option.
3002 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3003 (mips_current_loadgp_style): Declare.
3004 * config/mips/mips.c (mips_classify_symbol): Avoid using
3005 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3006 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3007 TARGET_ABSOLUTE_ABICALLS.
3008 (override_options): Adjust comments. Improve the warning that is
3009 issued when -mabicalls and -G are used together.
3010 (mips_file_start): Remove comment.
3011 (mips_current_loadgp_style): New function.
3012 (mips_gnu_local_gp): New variable.
3013 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3015 (mips_output_function_prologue): Use mips_current_laodgp_style.
3016 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3017 the cprestore instruction.
3018 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3019 live for TARGET_ABSOLUTE_ABICALLS.
3020 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3021 (ASM_SPEC): Pass down -mshared and -mno-shared.
3022 (MIPS_CALL): New macro.
3023 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3025 * doc/invoke.texi (-mabicalls): Update documentation.
3026 (-mshared): Document.
3028 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3030 * config/ia64/unwind-hpux.c: New file.
3031 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3033 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3036 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3038 2006-03-21 Jeff Law <law@redhat.com>
3040 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3041 type conversions of a VR_VARYING source to a wider type.
3043 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3045 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3046 tm_file on Solaris 10 and later.
3047 (sparc64-*-solaris2*): Likewise.
3048 (sparc-*-solaris2*): Likewise.
3049 * config/sol26.h: Rename to config/sol2-6.h.
3050 * config/sol2-10.h: New file.
3052 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3055 * tree-ssa-pre.c (create_component_ref_by_pieces):
3058 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3061 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3062 return it immediately.
3064 2006-03-21 Michael Matz <matz@suse.de>
3066 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3068 (remove_arc, add_arc): Update num_out_arcs member.
3069 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3071 (cache_presence): New function.
3072 (compare_states_for_equiv): New function.
3073 (state_is_differed): Don't take number of outargs, adjust callers.
3074 Use new invariant for speeding up.
3075 (init_equiv_class): Create initial classes based on sorted
3077 (partition_equiv_class): Don't track out_arcs_num.
3078 (evaluate_equiv_classes): Call cache_presence on all states and
3081 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3083 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3084 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3085 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3086 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3088 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3089 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3090 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3091 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3092 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3094 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3095 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3096 (REGNO_REG_CLASS): ARGP is in PREGS.
3097 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3099 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3100 to deal with those addresses.
3101 * addresses.h: New file.
3102 * caller-save.c: Include "addresses.h".
3103 (init_caller_save): Use new base_reg_class function.
3104 * rtl-factoring.c: Include "addresses.h".
3105 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3106 * recog.c: Include "addresses.h".
3107 (preprocess_constraints): Use new base_reg_class function.
3108 * regrename.c: Include "addresses.h".
3109 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3110 functions. Keep track of a new var INDEX_CODE to compute valid
3112 (replace_oldest_value_addr): Likewise.
3113 (replace_oldest_value_mem): Use base_reg_class.
3114 * reload.c: Include "addresses.h".
3115 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3116 (find_reloads): Use new base_reg_class function.
3117 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3118 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3119 all callers and prototype changed.
3120 * reload1.c: Include "addresses.h".
3121 (maybe_fix_stack_asms): Use base_reg_class.
3122 * regclass.c: Include "addresses.h".
3123 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3124 (init_reg_autoinc): Use new base_reg_class function.
3125 (record_reg_classes): Likewise.
3126 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3127 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3128 Use new args to compute necessary class.
3130 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3131 regrename.o, rtl-factoring.o): Update dependencies.
3132 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3133 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3134 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3135 REG_OK_FOR_INDEX_P): Delete documentation.
3137 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3139 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3140 from V7 to V9 for Solaris 7 and above.
3142 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3144 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3145 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3146 argument pointers may not alias any other storage.
3147 * common.opt: Define option -fargument-noalias-anything.
3148 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3149 alias semantics is specified by flag_argument_noalias > 2.
3151 2006-03-20 Jeff Law <law@redhat.com>
3153 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3154 (pass_phi_only_cprop): Declare.
3155 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3157 * tree-ssa-dom.c (degenerate_phi_result): New function.
3158 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3159 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3160 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3161 (eliminate_degenerate_phis): Likewise.
3162 (pass_phi_only_cprop): New pass descriptor.
3163 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3164 support code. Callers updated.
3165 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3166 (store_copy_prop): Likewise.
3167 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3169 2006-03-20 Jason Merrill <jason@redhat.com>
3172 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3173 (push_visibility, pop_visibility): Likewise.
3174 * c-pragma.h: Declare them.
3176 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3178 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3180 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3181 parameter and use get_ebb_head_tail.
3182 (sh_md_init_global): Adjust uses of find_regmode_weight.
3184 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3186 * function.h (struct function) <x_tail_recursion_reentry>:
3187 Rename to x_stack_check_probe_note.
3188 (tail_recursion_reentry): Rename to stack_check_probe_note.
3189 * function.c: Replace tail_recursion_reentry with
3190 stack_check_probe_note everywhere.
3191 (expand_function_start): Only emit a note for
3192 stack_check_probe_note with -fstack-protect.
3193 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3195 * emit-rtl.c (remove_unnecessary_notes): Remove.
3196 (pass_remove_unnecessary_notes): Remove.
3197 * rtl.h (remove_unnecessary_notes): Remove prototype.
3198 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3199 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3200 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3202 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3205 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3206 (valid_in_set): Handle ARRAY_REF.
3207 Change "if min_variant or VH" to asserts.
3208 (create_component_ref_by_pieces): Handle ARRAY_REF.
3209 (create_expression_by_pieces): Likewise.
3210 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3212 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3214 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3215 is operand of switch, not str[0].
3217 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3219 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3220 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3222 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3224 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3225 end of insn_extra_address_constraint declaration.
3227 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3229 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3230 (no-sum-in-toc): Same.
3231 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3233 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3234 NO_FP_IN_TOC for -fPIC instead of mask.
3236 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3237 (BOOT_LDFLAGS): Delete.
3239 * config/rs6000/t-aix52: Same.
3241 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3242 (stmsi[345678]_power): New.
3244 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3246 * config/ia64/ia64.opt: Add empty line to end of file.
3248 2006-03-17 Richard Guenther <rguenther@suse.de>
3251 * builtins.c (get_pointer_alignment): For component style references
3252 adjust alignment to the component type alignment. Make sure
3253 to adjust alignment for component access of constants.
3255 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3257 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3260 2006-03-17 Paul Brook <paul@codesourcery.com>
3262 * doc/install.texi: Docuemnt --with-mode.
3263 * config.gcc: Add --with-mode for arm*-*-*.
3264 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3266 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3268 * sh.c (max_labelno_before_reorg): New variable.
3269 (sh_reorg): Initialize it.
3270 (find_barrier): Check max_labelno_before_reorg before using
3271 label_to_alignment. Take length of explicit alignment insns
3272 into account. When seeing a UNSPECV_CONST_END, return it.
3274 * sh.c (fixup_mova): Set mode of affected label to QImode.
3275 (untangle_mova): New function.
3276 (find_barrier): Use it. Check mode of label before decrementing
3278 (sh_reorg): Likewise.
3279 Set mode of all insns back to VOIDmode.
3281 * sh.c (MOVA_LABELREF): New macro.
3282 (mova_p, fixup_mova, sh_reorg): Use it.
3283 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3284 ADDR_DIFF_VEC matches mova.
3286 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3288 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3289 with ATTRIBUTE_UNUSED.
3291 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3293 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3294 pointer, instead of assuming it is possible to derive the
3295 correct args size from a call insn.
3297 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3299 * rtl.h (CONST_INT_P): Define.
3300 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3301 instead of GET_CODE(x) == CONST_INT.
3302 (vax_rtx_costs): Likewise.
3303 (vax_output_int_move): Likewise.
3304 (vax_output_int_add): Likewise.
3305 (legitimate_constant_address_p): Likewise.
3306 (index_term_p): Likewise.
3307 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3308 * config/vax/vax.md (and<mode>3): Likewise.
3309 (ashrsi3): Likewise.
3311 (movstricthi): Likewise.
3312 (movstrictqi): Likewise.
3313 (rotrsi3): Likewise.
3314 (five unnamed insns): Likewise.
3316 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3318 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3319 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3320 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3321 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3322 Pass to ASM_OUTPUT_DWARF_OFFSET.
3323 * dwarf2out.c (debug_frame_section): New.
3324 (output_call_frame_info): Use debug_frame_section. Pass it to
3325 dw2_asm_output_offset.
3326 (output_die): Pass appropriate section to dw2_asm_output_offset.
3327 (output_compilation_unit_header): Likewise.
3328 (output_pubnames): Likewise.
3329 (output_aranges): Likewise.
3330 (enum dw_val_class): Break dw_val_class_lbl_offset into
3331 dw_val_class_lineptr and dw_val_class_macptr.
3332 (add_AT_lbl_offset): Delete.
3333 (add_AT_lineptr): New.
3334 (add_AT_macptr): New.
3335 (AT_lbl): Expect a lineptr or macptr.
3336 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3337 (attr_checksum): Likewise.
3338 (same_dw_val_p): Likewise.
3339 (size_of_die): Likewise.
3340 (value_format): Likewise.
3341 (output_die): Likewise.
3342 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3344 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3345 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3346 * config/darwin-protos.h (darwin_file_start): New.
3347 (darwin_asm_output_dwarf_offset): New.
3348 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3349 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3351 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3352 if not EH section; simplify.
3353 (darwin_file_start): New.
3354 (darwin_asm_output_dwarf_offset): New.
3355 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3357 (DEBUG_INFO_SECTION): Likewise.
3358 (DEBUG_ABBREV_SECTION): Likewise.
3359 (DEBUG_ARANGES_SECTION): Likewise.
3360 (DEBUG_MACINFO_SECTION): Likewise.
3361 (DEBUG_LINE_SECTION): Likewise.
3362 (DEBUG_LOC_SECTION): Likewise.
3363 (DEBUG_PUBNAMES_SECTION): Likewise.
3364 (DEBUG_STR_SECTION): Likewise.
3365 (DEBUG_RANGES_SECTION): Likewise.
3366 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3367 (ASM_OUTPUT_DWARF_OFFSET): New.
3369 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3371 * config.gcc (tm_defines): Always add to previous value rather
3374 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3376 * config/mips/predicates.md (splittable_const_int_operand): New,
3377 split from move_operand.
3378 (splittable_symbolic_operand): New.
3379 (move_operand): Add commentary. Use splittable_const_int_operand.
3380 Inline mips_atomic_symbolic_constant_p.
3381 * config/mips/mips.md: Add combine splitters for handling moves
3382 of splittable_const_int_operands and splittable_symbolic_operands.
3383 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3384 (mips_split_symbol): Declare.
3385 (mips_move_integer): Declare.
3386 * config/mips/mips.c (mips_split_p): Make global.
3387 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3388 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3389 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3390 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3391 (mips_offset_within_object_p): Handle block symbols.
3392 (mips_atomic_symbolic_constant_p): Delete.
3393 (mips_cannot_force_const_mem): Return false for constants that
3394 mips_legitimize_move can handle.
3395 (mips_use_blocks_for_constant_p): New function.
3396 (mips_split_symbol): Make global.
3397 (mips_move_integer): Likewise. Add a temporary register argument.
3398 (mips_legitimize_const_move): Use splittable_const_int_operand and
3399 splittable_symbolic_operand.
3400 (mips_use_anchors_for_symbol_p): New function.
3401 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3402 (mips_split_p): Declare.
3404 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3406 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3407 (mips*-*-linux*): Likewise.
3409 2006-03-16 Roger Sayle <roger@eyesopen.com>
3410 Daniel Speyer <dspeyer@wam.umd.edu>
3413 * tree-dump.c (dump_real): New function.
3414 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3415 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3416 (tree-dump.o): Add $(REAL_H) to the dependencies.
3418 2006-03-16 Roger Sayle <roger@eyesopen.com>
3421 * real.c (real_from_string): If the mantissa is zero, don't bother
3422 parsing the exponent as the result should always be zero.
3424 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3426 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3428 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3430 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3431 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3432 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3433 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3434 ia64_sched_finish_global): New static functions to implement
3435 hooks from gcc_target.sched.
3436 (spec_check_no, max_uid, pending_data_specs): New static variables.
3437 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3438 ia64_spec_check_src_p): New static functions.
3439 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3440 (TARGET_SCHED_ADJUST_COST): Removed.
3441 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3442 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3443 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3444 TARGET_SCHED_GEN_CHECK,
3445 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3446 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3447 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3448 Fixed to handle speculation checks.
3449 (rtx_needs_barrier): Fixed to handle speculative loads and
3451 (ia64_variable_issue): Added code to count speculative loads and their
3453 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3455 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3457 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3459 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3460 (ia64_reorg): Reset stops_p to NULL after it is freed.
3461 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3462 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3463 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3465 (data_speculative, control_speculative, check_load): New attributes.
3466 (mov<mode>_advanced, mov<mode>_speculative,
3467 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3468 zero_extend<mode>di2_speculative,
3469 zero_extend<mode>di2_speculative_advanced): New patterns for
3470 data and control speculative loads.
3471 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3473 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3474 New pattern for data and control speculation checks.
3475 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3476 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3477 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3478 Auxiliary definitions for the patterns.
3479 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3480 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3482 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3484 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3485 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3486 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3487 New resource constraints.
3488 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3490 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3491 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3492 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3493 msched-in-control-spec, msched-ldc, msched-control-ldc,
3494 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3495 msched-prefer-non-control-spec-insns,
3496 msched-count-spec-in-critical-path): New flags to tune speculative
3498 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3499 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3500 msched-in-control-spec, msched-ldc, msched-control-ldc,
3501 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3502 msched-prefer-non-control-spec-insns,
3503 msched-count-spec-in-critical-path): Document new flags.
3505 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3507 * target.h (struct spec_info_def): New opaque declaration.
3508 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3509 speculate_insn, needs_block_p, gen_check,
3510 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3511 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3512 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3513 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3514 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3515 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3517 (TARGET_SCHED): Use new macros.
3518 * rtl.h (copy_DEPS_LIST_list): New prototype.
3519 * sched-int.h (struct sched_info): Change signature of new_ready field,
3520 adjust all initializations. New fields: add_remove_insn,
3521 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3522 region_head_or_leaf_p.
3523 (struct spec_info_def): New structure declaration.
3524 (spec_info_t): New typedef.
3525 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3526 recovery_block, orig_pat.
3527 (glat_start, glat_end): New variables declaraions.
3528 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3530 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3531 DETACH_LIFE_INFO, USE_GLAT.
3532 (enum SPEC_SCHED_FLAGS): New enumeration.
3533 (NOTE_NOTE_BB_P): New macro.
3534 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3535 attach_life_info, debug_spec_status, check_reg_live): New functions.
3536 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3537 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3539 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3540 * ddg.c (get_block_head_tail): Adjust all uses.
3541 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3542 (sms_sched_info): Initialize new fields.
3543 (contributes_to_priority): Removed.
3544 * haifa-sched.c (params.h): New include.
3545 (get_block_head_tail): Adjust all uses.
3546 (ISSUE_POINTS): New macro.
3547 (glat_start, glat_end): New global variables.
3548 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3549 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3550 old_last_basic_block, before_recovery, current_sched_info_var,
3551 rgn_n_insns, luid): New static variables.
3552 (insn_cost1): New function. Move logic from insn_cost to here.
3553 (find_insn_reg_weight1): New function. Move logic from
3554 find_insn_reg_weight to here.
3555 (reemit_notes, move_insn, max_issue): Change signature.
3556 (move_insn1): Removed.
3557 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3558 extend_bb): New static functions to support extension of scheduler's
3560 (generate_recovery_code, process_insn_depend_be_in_spec,
3561 begin_speculative_block, add_to_speculative_block,
3562 init_before_recovery, create_recovery_block, create_check_block_twin,
3563 fix_recovery_deps): New static functions to support
3564 generation of recovery code.
3565 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3566 restore_bb_notes, move_block_after_check, move_succs): New static
3567 functions to support ebb scheduling.
3568 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3569 functions to support handling of register live information.
3570 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3571 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3572 add_jump_dependencies): New static functions.
3573 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3574 consistancy checking.
3575 (debug_spec_status): New function to call from debugger.
3576 (priority): Added code to handle speculation checks.
3577 (rank_for_schedule): Added code to distinguish speculative instructions.
3578 (schedule_insn): Added code to handle speculation checks.
3579 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3580 Fixed to handle ebbs.
3581 (move_insn): Added code to handle ebb scheduling.
3582 (max_issue): Added code to use ISSUE_POINTS of instructions.
3583 (choose_ready): Added code to choose between speculative and
3584 non-speculative instructions.
3585 (schedule_block): Added code to handle ebb scheduling and scheduling of
3586 speculative instructions.
3587 (sched_init): Initialize new variables.
3588 (sched_finish): Free new variables. Print statistics.
3589 (try_ready): Added code to handle speculative instructions.
3590 * lists.c (copy_DEPS_LIST_list): New function.
3591 * sched-deps.c (extend_dependency_caches): New function. Move logic
3592 from create_dependency_caches to here.
3593 (get_dep_weak, ds_merge): Make global.
3594 * genattr.c (main): Code to output prototype for
3595 dfa_clear_single_insn_cache.
3596 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3597 (output_dfa_clean_insn_cache_func): Code to output
3598 dfa_clear_single_insn_cache function.
3599 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3601 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3603 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3604 New static variables.
3605 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3606 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3608 (ebb_sched_info): Initialize new fields.
3609 (get_block_head_tail): Adjust all uses.
3610 (compute_jump_reg_dependencies): Fixed to use glat_start.
3611 (schedule_ebb): Code to remove unreachable last block.
3612 (schedule_ebbs): Added code to update register live information.
3613 * sched-rgn.c (region_sched_info): Initialize new fields.
3614 (get_block_head_tail): Adjust all uses.
3615 (last_was_jump): Removed. Adjust users.
3616 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3617 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3618 Implement new hooks.
3619 (check_dead_notes1): New static function.
3620 (struct region): New fields: dont_calc_deps, has_real_ebb.
3621 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3622 (BB_TO_BLOCK): Fixed to handle EBBs.
3623 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3624 (ebb_head): New static variable.
3625 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3626 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3628 (compute_dom_prob_ps): New assertion.
3629 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3630 global_live_at_start.
3631 (init_ready_list): New assertions.
3632 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3633 (new_ready): Add support for BEGIN_CONTROL speculation.
3634 (schedule_insns): Fixed code that updates register live information
3636 (schedule_region): Fixed to handle EBBs.
3637 (init_regions): Use extend_regions and check_dead_notes1.
3638 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3639 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3640 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3641 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3642 TARGET_SCHED_GEN_CHECK,
3643 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3644 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3645 * doc/invoke.texi (max-sched-insn-conflict-delay,
3646 sched-spec-prob-cutoff): Document.
3648 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3650 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3651 inter_tick, queue_index.
3652 (struct sched_info): Change signature of init_ready_list field.
3653 Adjust all initializations.
3654 (RESOLVED_DEPS): New access macro.
3655 (ready_add): Remove prototype.
3656 (try_ready): Add prototype.
3657 * sched-rgn.c (init_ready_list): Use try_ready.
3658 (schedule_region): Initialize
3659 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3660 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3661 (init_ready_list): Use try_ready.
3662 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3663 * lists.c (remove_list_elem): Remove `static'.
3664 (remove_free_INSN_LIST_elem): New function.
3665 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3666 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3667 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3669 (readyp): New variable.
3670 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3671 change_queue_index, resolve_dep): New static functions.
3672 (try_ready): New function. Adjust callers in sched-rgn.c and
3673 sched-ebb.c to use it instead of ready_add.
3674 (clock_var): Move at the begining of file.
3675 (rank_for_schedule): Fix typo.
3676 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3677 (ready_lastpos): Enforce assertion.
3678 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3680 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3681 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3682 (queue_to_ready): Use free_INSN_LIST_list.
3683 (early_queue_to_ready): Fix typo.
3684 (schedule_block): Init readyp. Move init_ready_list call after the
3685 initialization of clock_var. Fix error in rejecting insn by
3686 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3687 that previously corrected INSN_TICKs. Add code for handling
3689 (set_priorities): Fix typo.
3690 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3691 Clarify comment and code that keeps current_sched_info->next_tail
3694 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3696 * sched-rgn.c (extend_rgns): New static function.
3697 (find_rgns): Use it.
3698 (gather_region_statistics, print_region_statistics): New static
3700 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3701 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3703 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3704 Andrey Belevantsev <abel@ispras.ru>
3706 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3707 * lists.c (unused_deps_list): New variable.
3708 (free_list): Add assertions to verify the proper distinguishing
3709 between INSN_LISTs and DEPS_LISTs.
3710 (find_list_elem, remove_list_elem, remove_list_node): New static
3712 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3713 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3714 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3715 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3717 (free_INSN_LIST_node): Likewise.
3718 * modulo-sched.c (current_sched_info): Initialize flags field.
3719 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3720 * rtl.def (DEPS_LIST): Define.
3721 * rtl.h: Declare new functions from lists.c.
3722 * sched-deps.c (spec_dependency_cache): New static variable.
3723 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3724 (add_dependence): Change return type to void. Move the logic to ...
3725 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3726 (delete_all_dependences): Add comment about forward_dependency_cache.
3727 Handle spec_dependency_cache. Handle DEPS_LISTs.
3728 (fixup_sched_groups): Clarify the change of priority of output
3729 and anti dependencies.
3730 (sched_analyze_2): Adjust add_dependence calls to create data
3731 speculative dependence.
3732 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3733 Adjust all callers. Handle DEPS_LISTS.
3734 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3735 presence of speculation.
3736 (init_dependency_caches, free_dependency_caches):
3737 Handle spec_dependency_cache.
3738 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3739 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3740 New static functions.
3741 (add_or_update_back_dep, add_or_update_back_forw_dep,
3742 add_back_forw_dep, delete_back_forw_dep): New functions.
3743 * sched-int.h (ds_t, dw_t): New typedefs.
3744 (struct sched_info): Add new field flags.
3745 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3746 Prototype new sched-deps.c functions.
3747 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3748 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3749 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3750 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3751 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3752 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3754 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3756 * sched-rgn.c (current_sched_info): Initialize flags field.
3757 (schedule_insns): Initialize current_sched_info before the sched_init
3759 * sched-ebb.c (current_sched_info): Initialize flags field.
3760 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3761 Call add_or_update_back_dep instead of add_dependence.
3762 Create control speculative dependencies.
3763 (schedule_insns): Initialize current_sched_info before the sched_init
3766 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3768 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3770 (sh_fallback_frame_state): Likewise.
3772 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3774 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3775 Do switch on default_use_cxa_atexit.
3776 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3777 * config/darwin-crt3.o: New.
3778 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3779 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3780 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3782 * config/rs6000/t-darwin: Move crt2.o building to here.
3783 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3784 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3787 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3789 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3790 from '! xxx' to '!xxx' for coding-style conformance.
3791 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3792 (EXTRA_CONSTRAINT): Likewise.
3793 * config/vax/vax.md (four unnamed insns): Likewise.
3795 2006-03-15 Paul Brook <paul@codesourcery.com>
3797 * config/arm/arm.c (minipool_pad): New.
3798 (add_minipool_forward_ref): Include pool alignment padding in address
3800 (push_minipool_fix): Set minipool_pad.
3801 (minipool_pad): Ditto.
3803 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3805 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3806 instead of GET_CODE() == MEM and REG_P() instead of
3808 (print_operand_address): Likewise.
3809 (vax_address_cost): Likewise.
3810 (vax_rtx_costs): Likewise.
3811 (vax_notice_update_cc): Likewise.
3812 (vax_output_int_add): Likewise.
3813 (INDEX_REGISTER_P): Likewise.
3814 (BASE_REGISTER_P): Likewise.
3815 (nonindexed_address_p): Likewise.
3816 (vax_mode_dependent_address_p): Likewise.
3817 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3818 (PRINT_OPERAND): Likewise.
3819 * config/vax/vax.md (ashlsi3): Likewise.
3820 (ashlsi3): Likewise.
3821 (some more unnamed insns): Likewise.
3823 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3825 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3826 iterator-style macro.
3827 (mark_control_dependent_edges_necessary): Update the use of
3828 EXECUTE_IF_CONTROL_DEPENDENT.
3830 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3832 * config/sh/predicates.md (cache_address_operand): Special.
3833 (ua_address_operand): Likewise.
3835 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3837 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3839 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3841 2006-03-15 Andreas Schwab <schwab@suse.de>
3843 * gensupport.c (identify_predicable_attribute): Don't free p_false
3844 when it is still in use.
3846 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3848 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3849 the default setting here.
3851 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3853 * tree-pass.h (pass_cfg): Remove.
3854 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3855 * passes.c (pass_cfg): Don't run it.
3857 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3859 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3860 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3862 (stack_regs_mentioned): Update the uses of
3863 stack_regs_mentioned_data. Don't access the array beyond its
3865 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3866 Don't include gt-reg-stack.h.
3868 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3869 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3871 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3874 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3877 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3879 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3881 2006-03-14 Richard Guenther <rguenther@suse.de>
3883 PR tree-optimization/26672
3884 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3887 2006-03-14 Richard Guenther <rguenther@suse.de>
3889 PR tree-optimization/26667
3890 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3891 node for the callees. Always allow inlining if it will shrink
3894 2006-03-14 Richard Guenther <rguenther@suse.de>
3897 * builtins.c (get_pointer_alignment): Prefer alignment
3898 information from decls over that from types.
3900 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3903 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3905 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3907 * config/rs6000/rs6000.opt (mdlmzb): New option.
3908 (msched-prolog, msched-epilog): Use Var not Mask.
3909 * doc/invoke.texi (-mdlmzb): Document.
3910 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3912 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3913 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3915 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3917 PR rtl-optimization/25739
3918 * bt-load.c (augment_live_range): Free tos pointer.
3920 * gensupport.c (identify_predicable_attribute): Free
3922 * gcov.c (create_file_names): Free name pointer.
3924 2006-03-13 Roger Sayle <roger@eyesopen.com>
3927 * stmt.c (emit_case_nodes): Handle the case where the index is a
3928 CONST_INT, where the comparison mode is specified by the index type.
3930 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3932 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3935 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3937 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3938 (*branch_fp_inverted): Likewise.
3940 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3943 * omp-low.c (expand_omp_for_generic): Mark istart0
3944 and iend0 as addressable.
3946 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3948 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3950 2006-03-13 Jeff Law <law@redhat.com>
3952 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3953 virtual operands are interesting.
3954 (vrp_visit_stmt): Corresponding changes.
3956 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3958 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3960 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3961 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3962 * config/bfin/crti.S: Use it instead of __PIC__.
3963 * config/bfin/crtn.S: Likewise.
3965 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3966 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3968 Lose 'G' modifier for call operand.
3969 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3970 recognize 'G' modifier.
3972 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3975 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3976 * stmt.c (expand_case): Likewise.
3978 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3980 PR rtl-optimization/26254
3981 * loop-invariant.c (seq_insns_valid_p): New function.
3982 (move_invariant_reg): Only emit new code if it is valid.
3984 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3986 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3988 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3989 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3990 (commit_one_edge_insertion): Do not look for loop notes.
3992 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3994 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3995 flag_test_coverage out of loop.
3997 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3999 * final.c (shorten_branches): Remove outdated comment, and turn
4000 the if branch that guards it to continue.
4002 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4004 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4005 * cfgloop.h (struct loop): Remove unused fields.
4007 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4009 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4010 (-dL, -fdump-rtl-loop2): Update the dump file names
4012 * doc/invoke.texi: Update dump file names.
4014 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4016 * predict.c (estimate_probability): Remove.
4017 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4018 * basic-block.h (estimate_probability): Remove prototype.
4019 * passes.c (finish_optimization_passes): Dump branch prediction or
4020 profiling heuristics to the .profile tree dump.
4021 (init_optimization_passes): Unqueue pass_branch_prob.
4023 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4025 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4027 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4028 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4030 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4032 * function.h (frame_offset_overflow): Declare.
4033 * function.c (frame_offset_overflow): New function.
4034 (assign_stack_local_1): Call it to detect that the offset overflows.
4035 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4037 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4039 * config/sh/sh.c: Include alloc-pool.h.
4040 (label_ref_list_pool): New alloc pool.
4041 (label_ref_list_t): New type for lists of labels.
4042 (struct pool_node): Make wend a label_ref_list_t.
4043 (add_constant): Use the new type, eradicate LABEL_NEXTREF
4045 (dump_table): Likewise.
4046 (sh_reorg): Set up the alloc pool before using add_constant and
4047 dump_table, and destroy it when finishing.
4049 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4051 * config/mips/mips.c: Remove redundant comment.
4053 2006-03-10 Jason Merrill <jason@redhat.com>
4056 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4057 the target was declared 'register'.
4059 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4061 * genpreds.c (write_insn_constraint_len): Change definition of
4062 insn_constraint_len to return size_t to match the declaration.
4064 2006-03-10 DJ Delorie <dj@redhat.com>
4066 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4068 (m32c_expand_insv): Fix test for an AND mask.
4070 2006-03-10 Richard Guenther <rguenther@suse.de>
4073 * builtins.c (get_pointer_alignment): Handle component
4074 references for field alignment.
4076 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4078 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4079 when building with libgloss.
4080 (sh*elf): Implement --without-fp option.
4081 (sh64-superh-linux*): Don't multilib.
4083 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4085 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4087 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4089 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4090 Set it when one of the replacement functions returned true.
4091 Return TODO_cleanup_cfg if cfgchanged is true.
4092 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4094 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4096 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4097 instead of gen_lowpart.
4099 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4101 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4103 (mips_output_order_conditional_branch): Declare.
4104 * config/mips/mips.h (MIPS_BRANCH): New macro.
4105 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4106 for the comparison. Use gen_condjump.
4107 (mips_output_conditional_branch): Rework interface to take the
4108 asm templates for a direct branch and the inverse of a direct branch.
4109 (mips_output_order_conditional_branch): New function.
4110 (mips_builtin_branch_and_move): New function.
4111 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4112 branch condition. Use gen_single_cc as the condition for
4113 __builtin_mips_upper_* or __builtin_mips_lower_*.
4114 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4115 Use VOIDmode for the branch condition.
4116 * config/mips/predicates.md (order_operator): New predicate.
4117 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4118 (branch_fp): Rename to...
4119 (*branch_fp): ...this. Remove mode from comparison operator.
4120 Use new mips_output_conditional_branch interface.
4121 (branch_fp_inverted): Rename to...
4122 (*branch_fp_inverted): ...this and update as for *branch_fp.
4123 (*branch_zero<mode>): Rename to...
4124 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4125 Use mips_output_order_conditional_branch. Only accept ordered
4127 (*branch_zero<mode>_inverted): Rename to...
4128 (*branch_order<mode>_inverted): ...this and update as for
4129 *branch_order<mode>.
4130 (*branch_equality<mode>): Accept zero as the second operand to
4131 the equality operator. Use the new mips_output_conditional_branch
4133 (*branch_equality<mode>_inverted): Likewise.
4134 (condjump): New expander.
4135 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
4137 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
4138 (bc1any2t, bc1any2f): Likewise.
4139 (single_cc): New expander.
4140 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4142 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4144 * doc/md.texi: Update documentation of MIPS constraints.
4145 * config/mips/constraints.md: New file.
4146 * config/mips/mips.md: Include it.
4147 * config/mips/mips.c (mips_char_to_class): Delete.
4148 (override_options): Don't initialize mips_char_to_class.
4149 * config/mips/mips.h (mips_char_to_class): Delete.
4150 (REG_CLASS_FROM_LETTER): Delete.
4151 (CONST_OK_FOR_LETTER_P): Delete.
4152 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4153 (EXTRA_CONSTRAINT_Y): Delete.
4154 (EXTRA_CONSTRAINT_STR): Delete.
4155 (CONSTRAINT_LEN): Delete.
4156 (EXTRA_MEMORY_CONSTRAINT): Delete.
4158 2006-03-09 Diego Novillo <dnovillo@redhat.com>
4160 * tree-cfg.c (move_block_to_fn): Remove the statements from the
4161 original fn's eh regions.
4163 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
4165 * fold-const.c (build_range_check): Make sure to use a valid type to
4166 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
4169 (range_predecessor): New static function.
4170 (range_successor): Likewise.
4171 (merge_ranges): Use them to compute predecessors and successors of
4174 2006-03-09 Roger Sayle <roger@eyesopen.com>
4177 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
4178 X op C3, consider whether C3 overflows towards +Inf or -Inf.
4180 2006-03-08 DJ Delorie <dj@redhat.com>
4182 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4183 (addpsi3): Expand to include memory operands. Remove
4184 reload-specific splits.
4185 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4186 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4187 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4188 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4189 (shift1_qi, shift1_hi, insv): New.
4190 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4191 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4192 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4194 * config/m32c/m32c-protos.h: Update as needed.
4195 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4196 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4197 Fail for unrecognized R* constraints.
4198 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4199 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4200 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4202 (m32c_init_libfuncs): New.
4203 (m32c_legitimate_address_p): Add debug wrapper.
4204 (m32c_rtx_costs): New.
4205 (m32c_address_cost): New.
4206 (conversions): Add 'B' prefix.
4207 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4208 operands, or word regnames for QI operands. 'B' prints bit
4210 (m32c_expand_setmemhi): New.
4211 (m32c_expand_movmemhi): New.
4212 (m32c_expand_movstr): New.
4213 (m32c_expand_cmpstr): New.
4214 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4215 (m32c_expand_neg_mulpsi3): Handle non-ints.
4216 (m32c_cmp_flg_0): New.
4217 (m32c_expand_movcc): New.
4218 (m32c_expand_insv): New.
4219 (m32c_scc_pattern): New.
4220 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4221 a0/a1 out of SIregs.
4222 (STORE_FLAG_VALUE): New.
4223 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4226 * config/m32c/mov.md: Make constraints more liberal.
4227 (zero_extendqihi2): Optimize r0/r1 case.
4228 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4229 * config/m32c/predicates.md (m32c_any_operand): New.
4230 (m32c_nonimmediate_operand): New.
4231 (m32c_hl_operand): New.
4232 (m32c_r3_operand): New.
4235 (memsym_operand): New.
4236 (memimmed_operand): New.
4237 (a_qi_operand): New.
4238 (m32c_eqne_operator): New.
4239 (m32c_1bit8_operand): New.
4240 (m32c_1bit16_operand): New.
4241 (m32c_1mask8_operand): New.
4242 (m32c_1mask16_operand): New.
4243 * config/m32c/blkmov.md: New file.
4244 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4246 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4248 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4249 unsigned to fix signed/unsigned comparison issue in
4250 DWARF2_FRAME_REG_OUT.
4251 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4252 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4254 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4255 of ptr into the ENABLE_CHECKING section.
4257 2006-03-08 Jeff Law <law@redhat.com>
4259 * tree-vrp.c (infer_value_range): Only count pointer uses
4260 and dereferences if -fdelete-null-pointer-checks is enabled.
4262 * tree-vrp.c (find_assert_locations): Infer value ranges for
4263 single use pointers, but do not create ASSERT_EXPRs for them.
4264 When a non-null range is inferred for a pointer, backwards
4265 propagate that range to other equivalent pointers through the
4268 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4271 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4272 language hook targets.
4273 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4274 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4275 if language hook targets were missing.
4277 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4279 * tree-ssa-opfinalize.h: Removed.
4280 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4282 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4283 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4284 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4285 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4286 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4287 finalize_ssa_v_must_def_ops): New.
4289 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4291 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4294 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4296 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4298 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4299 addresses with offsets; reorganize.
4301 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4302 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4303 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4305 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4308 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4310 2006-03-08 Ben Elliston <bje@au.ibm.com>
4312 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4314 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4317 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4320 2006-03-07 Richard Guenther <rguenther@suse.de>
4322 PR tree-optimization/26587
4323 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4325 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4327 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4329 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4331 * hooks.c (hook_bool_mode_rtx_true): New function.
4332 * hooks.h (hook_bool_mode_rtx_true): Declare.
4333 * toplev.c (compile_file): Call output_shared_constant_pool.
4334 * varasm.c (shared_constant_pool): New variable.
4335 (assemble_start_function, assemble_end_function): Remove arguments
4336 from call to output_constant_pool.
4337 (create_constant_pool): New function, split out from...
4338 (init_varasm_status): ...here.
4339 (force_const_mem): Choose between the shared and per-function constant
4340 pools. Set current_function_uses_const_pool when reusing old entries
4341 as well as when creating new ones.
4342 (mark_constant): Ignore data argument.
4343 (mark_constants): Remove pool argument.
4344 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4345 to decide whether the function uses a constant pool.
4346 (output_constant_pool_contents): New function, split out from...
4347 (output_constant_pool): ...here.
4348 (output_shared_constant_pool): New function.
4349 (init_varasm_once): Initialize shared_constant_pool.
4350 * output.h (output_constant_pool): Delete.
4351 (output_shared_constant_pool): Declare.
4352 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4353 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4355 2006-03-06 Nick Clifton <nickc@redhat.com>
4357 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4358 flag_strength_reduce.
4360 2006-03-06 Ben Elliston <bje@au.ibm.com>
4362 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4363 x86_64-*-linux* configurations.
4365 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4366 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4368 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4370 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4372 * basic-block.h: Remove the extern for
4373 rediscover_loops_after_threading.
4375 * cfgloop.c (cancel_loop): Make it static.
4376 * cfgloop.h: Remove the prototype for cancel_loop.
4378 * flow.c (recompute_reg_usage): Make it static.
4379 * rtl.h: Remove the prototype for recompute_reg_usage.
4381 * function.c (use_return_register): Make it static.
4382 * function.h: Remove the prototype.
4384 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4386 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4388 * recog.h: Remove the prototype for
4389 validate_change_maybe_volatile.
4391 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4393 * rtlanal.c (replace_reg): Remove.
4394 * rtl.h: Remove the prototype for replace_reg.
4396 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4398 * regclass.c (reg_scan_update): Remove.
4399 (reg_scan_mark_refs): Remove the last argument.
4400 * rtl.h: Remove the prototype for reg_scan_update.
4402 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4404 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4405 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4406 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4407 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4408 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4409 loop-invariant.c, omp-low.c, opts.c, passes.c,
4410 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4411 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4412 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4413 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4414 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4415 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4417 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4419 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4420 * dwarf2out.h: Remove the prototype for
4421 dwarf2out_add_library_unit_info.
4423 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4425 * tree.c (add_var_to_bind_expr): Remove.
4426 * tree.h: Remove the prototype for add_var_to_bind_expr.
4428 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4430 * regclass.c (n_non_fixed_regs): Remove.
4431 (init_reg_sets_1, globalize_reg): Remove all uses of
4433 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4435 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4437 * rtlanal.c (insns_safe_to_move_p): Remove.
4438 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4440 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4442 * expmed.c (expand_mult_add): Remove.
4443 * expr.h: Remove the prototype for expand_mult_add.
4445 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4447 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4448 and REG_SAVED_VAL_EXP constants.
4449 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4450 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4451 Handle regs stored by value.
4452 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4453 (execute_cfa_program): Handle DW_CFA_val_offset,
4454 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4455 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4456 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4457 (uw_install_context_1): Handle target regs stored by value.
4459 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4461 * tree-sra.c (tree_sra): Return todoflags;
4462 (generate_one_element): Set TODO_update_smt_usage if needed.
4463 (pass_sra): Remove TODO_update_smt_usage.
4464 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4466 (tree_ssa_forward_propagate_single_use_vars): Return
4467 TODO_update_smt_usage if we need to update SMT usage.
4468 (pass_forwprop): Remove TODO_update_smt_usage.
4470 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4472 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4473 (correct_use_link): Remove reference to get_stmt_operands.
4474 (update_stmt_operands): Likewise.
4475 (get_modify_expr_operands): New function factored out of
4476 parse_ssa_operands and get_expr_operands.
4477 Try to create V_MUST_DEFs for LHS by default.
4478 (get_expr_operands) <case MODIFY_EXPR>: Call
4479 get_modify_expr_operands.
4480 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4481 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4482 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4483 get_modify_expr_operands.
4485 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4487 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4488 * tree-flow.h: Remove the prototype for
4489 referenced_var_lookup_if_exists.
4491 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4493 PR rtl-optimization/26345
4495 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4497 2006-03-03 Roger Sayle <roger@eyesopen.com>
4499 PR tree-optimization/26524
4500 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4501 fold_convert to create a constant of the appropriate type.
4503 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4505 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4506 SYMBOL_REF_IN_BLOCK_P.
4507 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4508 of SYMBOL_FLAG_IN_BLOCK.
4509 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4510 instead of SYMBOL_REF_IN_BLOCK_P.
4511 * explow.c (use_anchored_address): Likewise.
4512 * rtl.c (rtx_size): Likewise.
4513 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4514 instead of SYMBOL_FLAG_IN_BLOCK.
4515 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4516 SYMBOL_REF_IN_BLOCK_P.
4517 (assemble_variable): Likewise.
4518 (output_constant_def_contents): Likewise.
4519 (output_constant_pool): Likewise.
4520 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4521 instead of SYMBOL_FLAG_IN_BLOCK.
4522 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4523 SYMBOL_REF_IN_BLOCK_P.
4524 (SYMBOL_REF_BLOCK): Likewise.
4525 (SYMBOL_REF_OFFSET): Likewise.
4526 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4527 SYMBOL_REF_IN_BLOCK_P.
4528 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4529 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4530 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4531 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4533 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4535 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4537 2006-03-02 Roger Sayle <roger@eyesopen.com>
4539 * simplify-rtx.c (simplify_unary_operation): When simplifying
4540 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4541 that we perform the right shift in the appropriate mode, and
4542 then extend or truncate the result to requested mode.
4544 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4546 * gengtype.c (main): Handle double_int type.
4547 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4548 * double-int.c: New file.
4549 * double-int.h: New file.
4550 * system.h: Include doubleint.h.
4551 * Makefile.in (SYSTEM_H): Include double-int.h.
4552 (double-int.o): Add.
4554 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4557 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4560 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4562 * tree-vrp.c (remove_range_assertions): Do not update statements
4565 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4567 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4569 * gcse.c (rest_of_handle_gcse): Ditto.
4570 * except.c (gate_handle_eh): Ditto.
4571 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4572 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4574 2006-03-02 Eric Christopher <echristo@apple.com>
4576 * config/i386/i386.c (machopic_output_stub): Add indirection to
4579 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4583 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4585 Sun Niagara specific optimizations.
4586 * config.gcc: Recognize niagara as target.
4587 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4588 (TARGET_CPU_niagara): Define.
4589 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4590 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4591 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4592 (ASM_CPU_SPEC): Likewise.
4593 (PROCESSOR_NIAGARA): New enum entry.
4594 (REGISTER_MOVE_COST): Handle Niagara.
4595 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4596 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4597 (sparc_override_options): Recognize "niagara", set appropriate
4598 default MASK_* values for it, and align functions to 32-bytes
4599 by default just like ULTRASPARC/ULTRASPARC3.
4600 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4601 (sparc64_initialize_trampoline): Likewise.
4602 (sparc_use_sched_lookahead): Use zero for niagara.
4603 (sparc_issue_rate): Use one for niagara.
4604 * config/sparc/niagara.md: New file.
4605 * config/sparc/sparc.md: Include it.
4606 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4607 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4608 when default cpu is niagara.
4609 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4610 (ASM_CPU_SPEC): Likewise.
4611 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4612 when default cpu is niagara.
4613 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4614 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4615 just like v9/ultrasparc/ultrasparc3.
4616 * doc/invoke.texi: Add documentation for "niagara" and improve
4617 existing documentation for ultrasparc variants.
4619 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4621 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4623 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4625 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4626 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4627 and say that only one is needed.
4628 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4629 * target.h (have_switchable_bss_sections): New hook.
4630 * explow.c (use_anchored_address): Check that the symbol is in a block.
4631 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4632 (bss_noswitch_section): New variables.
4633 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4634 (get_noswitch_section): New function.
4635 (get_block_for_section): Allow SECT to be null.
4636 (unlikely_text_section_p): Use SECTION_STYLE.
4637 (bss_initializer_p): New function.
4638 (get_variable_section): Move earlier in file. Take a new argument,
4639 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4640 Return one of the new *_sections in such cases.
4641 (get_block_for_decl): New function, extracting some logic from
4642 use_blocks_for_decl_p.
4643 (change_symbol_section): Remove in favor of...
4644 (change_symbol_block): ...this new function.
4645 (use_blocks_for_decl_p): Remove checks now performed by
4647 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4648 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4649 (emit_local, emit_bss, emit_common): ...these new functions.
4650 Return true if the alignment was honored.
4651 (emit_tls_common): New function.
4652 (asm_emit_uninitialised): Delete.
4653 (assemble_variable_noswitch): New function, split out from...
4654 (assemble_variable): ...here. Don't make decisions about common
4655 variables here. Globalize all public decls that go into non-common
4656 sections. Check whether SYMBOL_REF_BLOCK is null.
4657 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4658 (output_constant_pool): Likewise.
4659 (init_varasm_once): Initialize the new section variables.
4660 (have_global_bss_p): New function.
4661 (categorize_decl_for_section): Use bss_initializer_p.
4662 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4663 (place_block_symbol): Assert that the symbol must be in a block.
4664 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4665 (TARGET_INITIALIZER): Include it.
4666 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4667 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4668 (SECTION_MACH_DEP): Bump by two.
4669 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4670 (unnamed_section): Mention SECTION_UNNAMED in comment.
4671 (named_section): Likewise SECTION_NAMED.
4672 (noswitch_section_callback): New type.
4673 (noswitch_section): New structure.
4674 (section): Add a noswitch_section alternative.
4675 (SECTION_STYLE): New macro.
4676 (tls_comm_section, comm_section, lcomm_section): Declare.
4677 (bss_noswitch_section, have_global_bss_p): Declare.
4678 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4679 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4681 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4682 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4685 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4687 * gcc/tree-vrp.c (execute_vrp): Return value.
4688 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4689 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4690 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4691 (tree_lower_complex_O0): Ditto.
4692 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4693 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4694 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4695 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4696 (execute_tail_calls): Ditto.
4697 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4698 * gcc/tree.h (init_function_for_compilation): Ditto.
4699 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4700 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4701 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4702 * gcc/final.c (compute_alignments): Ditto.
4703 (rest_of_handle_final): Ditto.
4704 (rest_of_handle_shorten_branches): Ditto.
4705 (rest_of_clean_state): Ditto.
4706 * gcc/omp-low.c (execute_expand_omp): Ditto.
4707 (execute_lower_omp): Ditto.
4708 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4709 * gcc/ipa-reference.c (static_execute): Ditto.
4710 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4711 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4712 (rest_of_handle_machine_reorg): Ditto.
4713 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4714 * gcc/flow.c (recompute_reg_usage): Ditto.
4715 (rest_of_handle_remove_death_notes): Ditto.
4716 (rest_of_handle_life): Ditto.
4717 (rest_of_handle_flow2): Ditto.
4718 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4719 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4720 (do_ssa_store_ccp): Ditto.
4721 (execute_fold_all_builtins): Ditto.
4722 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4723 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4724 * gcc/ipa-pure-const.c (static_execute): Ditto.
4725 * gcc/cse.c (rest_of_handle_cse): Ditto.
4726 (rest_of_handle_cse2): Ditto.
4727 * gcc/web.c (rest_of_handle_web): Ditto.
4728 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4729 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4730 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4731 * gcc/tree-nrv.c (tree_nrv): Ditto.
4732 (execute_return_slot_opt): Ditto.
4733 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4734 (create_structure_vars): Ditto.
4735 * gcc/loop-init.c (rtl_loop_init): Ditto.
4736 (rtl_loop_done): Ditto.
4737 (rtl_move_loop_invariants): Ditto.
4738 (rtl_unswitch): Ditto.
4739 (rtl_unroll_and_peel_loops): Ditto.
4740 (rtl_doloop): Ditto.
4741 * gcc/gimple-low.c (lower_function_body): Ditto.
4742 (mark_used_blocks): Ditto.
4743 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4744 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4745 (cgraph_early_inlining): Ditto.
4746 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4747 * gcc/jump.c (cleanup_barriers): Ditto.
4748 (purge_line_number_notes): Ditto.
4749 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4750 (rest_of_handle_if_after_reload): Ditto.
4751 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4752 (tree_ssa_loop_im): Ditto.
4753 (tree_ssa_loop_unswitch): Ditto.
4754 (tree_vectorize): Ditto.
4755 (tree_linear_transform): Ditto.
4756 (tree_ssa_loop_ivcanon): Ditto.
4757 (tree_ssa_empty_loop): Ditto.
4758 (tree_ssa_loop_bounds): Ditto.
4759 (tree_complete_unroll): Ditto.
4760 (tree_ssa_loop_prefetch): Ditto.
4761 (tree_ssa_loop_ivopts): Ditto.
4762 (tree_ssa_loop_done): Ditto.
4763 * gcc/predict.c (tree_estimate_probability): Ditto.
4764 * gcc/recog.c (split_all_insns_noflow): Ditto.
4765 (rest_of_handle_peephole2): Ditto.
4766 (rest_of_handle_split_all_insns): Ditto.
4767 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4768 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4769 (rest_of_handle_stack_adjustments): Ditto.
4770 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4771 * gcc/function.c (instantiate_virtual_regs): Ditto.
4772 (init_function_for_compilation): Ditto.
4773 (rest_of_handle_check_leaf_regs): Ditto.
4774 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4775 (rest_of_handle_gcse): Ditto.
4776 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4777 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4778 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4779 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4780 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4781 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4782 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4783 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4784 * gcc/except.c (set_nothrow_function_flags): Ditto.
4785 (convert_to_eh_region_ranges): Ditto.
4786 (rest_of_handle_eh): Ditto.
4787 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4788 (remove_unnecessary_notes): Ditto.
4789 * gcc/except.h (set_nothrow_function_flags): Ditto.
4790 (convert_to_eh_region_ranges): Ditto.
4791 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4792 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4793 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4794 (execute_fre): Ditto.
4795 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4796 (rest_of_handle_jump2): Ditto.
4797 * gcc/tree-sra.c (tree_sra): Ditto.
4798 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4799 (execute_mudflap_function_decls): Ditto.
4800 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4801 (do_store_copy_prop): Ditto.
4802 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4803 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4804 * gcc/tree-ssa-forwprop.c
4805 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4806 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4807 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4808 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4809 (execute_late_warn_uninitialized): Ditto.
4810 * gcc/rtl.h (cleanup_barriers): Ditto.
4811 (split_all_insns_noflow): Ditto.
4812 (purge_line_number_notes): Ditto.
4813 (unshare_all_rtl): Ditto.
4814 (remove_unnecessary_notes): Ditto.
4815 (recompute_reg_usage): Ditto.
4816 (variable_tracking_main): Ditto.
4817 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4818 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4819 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4820 (execute_free_cfg_annotations): Ditto.
4821 (execute_fixup_cfg): Ditto.
4822 (execute_cleanup_cfg_pre_ipa): Ditto.
4823 (execute_cleanup_cfg_post_optimizing): Ditto.
4824 (execute_init_datastructures): Ditto.
4825 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4826 * gcc/combine.c (rest_of_handle_combine): Ditto.
4827 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4828 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4829 (rest_of_handle_reorder_blocks): Ditto.
4830 (rest_of_handle_partition_blocks): Ditto.
4831 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4832 * gcc/tree-profile.c (tree_profiling): Ditto.
4833 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4834 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4835 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4836 (rest_of_handle_sched2): Ditto.
4837 * gcc/basic-block.h (free_bb_insn): Ditto.
4838 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4839 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4840 (remove_useless_stmts): Ditto.
4841 (split_critical_edges): Ditto.
4842 (execute_warn_function_return): Ditto.
4843 (execute_warn_function_noreturn): Ditto.
4844 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4845 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4846 * gcc/passes.c (execute_one_pass): Run additional
4847 todos returned by execute function.
4848 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4851 2006-03-02 Richard Guenther <rguenther@suse.de>
4853 * tree-ssa-alias.c (find_used_portions): Consider taking
4854 the address as making the variable not write-only.
4856 2006-03-02 Nick Clifton <nickc@redhat.com>
4858 * config.gcc (default_use_cxa_atexit): Extend the description of
4859 this configure variable. Set its default value to "yes" for
4860 Linux, NetBSD and ELF targets on the assumption that they will
4861 use C libraries with the __cxa_atexit function.
4863 2006-03-02 Ben Elliston <bje@au.ibm.com>
4865 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4866 parameter as unused to suppress a build warning.
4868 2006-03-02 Ben Elliston <bje@au.ibm.com>
4870 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4873 2006-03-01 Roger Sayle <roger@eyesopen.com>
4876 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4877 declared name, the weak reference name, and the typeof name.
4878 (__gthrw): Avoid expanding the declared name suffix.
4879 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4881 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4883 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4885 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4886 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4887 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4888 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4889 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4890 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4891 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4892 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4893 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4894 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4895 (DW_END_default, DW_END_big, DW_END_little): New.
4896 (DW_END_lo_user, DW_END_hi_user): Define.
4897 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4898 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4899 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4902 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4904 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4906 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4908 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4910 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4912 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4913 to 'symbol_mem_tag'.
4915 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4918 2006-03-01 Roger Sayle <roger@eyesopen.com>
4920 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4922 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4925 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4926 MACHO_DYNAMIC_NO_PIC_P.
4927 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4929 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4932 * config/darwin-protos.h (darwin_asm_output_anchor):
4934 * config/darwin-sections.def (cstring_section):
4935 Add SECTION_MERGE to the flags.
4936 (literal4_section): Likewise.
4937 (literal8_section): Likewise.
4938 (objc_selector_refs_section): Likewise.
4939 (objc_cls_refs_section): Likewise.
4940 * config/darwin.c (darwin_asm_output_anchor): New
4942 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4944 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4946 Fix PR tree-optimization/26443
4947 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4948 to todo and PROP_tmt_usage to properties_destroyed.
4949 * tree-ssa-ccp.c (pass_ccp): Ditto.
4950 (pass_store_ccp): Ditto.
4951 * tree-ssa-dom.c (pass_dominator): Ditto.
4953 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4955 * tree-ssa-operands.c: Cleanup whitespace.
4956 (get_asm_expr_operands): Move before first invocation.
4957 (get_indirect_ref_operands): Likewise.
4958 (get_tmr_operands): Likewise.
4959 (get_call_expr_operands): Likewise.
4960 (append_def): Likewise.
4961 (append_use): Likewise.
4962 (append_v_may_def): Likewise.
4963 (append_v_must_def): Likewise.
4964 (add_call_clobber_ops): Likewise.
4965 (add_call_read_ops): Likewise.
4966 (add_stmt_operand): Likewise.
4967 (add_virtual_operand): Likewise.
4968 (build_ssa_operands): Likewise.
4970 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4975 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4976 with a call expr to ...
4977 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4979 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4981 * tree-vrp.c (extract_range_from_assert): Remove special
4982 handling for types with super-types.
4984 2006-03-01 Ben Elliston <bje@au.ibm.com>
4986 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4987 and powerpc64-*-linux* configurations.
4988 * config/t-dfprules: New file.
4990 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4991 Compile dfp-bit.c from the source directory using -DWIDTH and
4992 $DFP_CFLAGS to control the compilation of that file, rather than
4993 generating width-specific versions in the build directory.
4994 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4995 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4997 2006-02-28 Zack Weinberg <zackw@panix.com>
4999 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5002 2006-02-28 Eric Christopher <echristo@apple.com>
5004 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5005 Set up IN_LIBGCC definition of TARGET_64BIT.
5006 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5008 2006-02-28 Roger Sayle <roger@eyesopen.com>
5011 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5012 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5013 cases via the construction of "expr != 0".
5015 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5017 * alias.c (alias_invariant, alias_invariant_size): Remove.
5018 (record_base_value): Remove.
5019 (memrefs_conflict_p): Don't look at alias_invariant.
5020 (end_alias_analysis): Don't free it.
5021 * alias.h (record_base_value): Remove prototype.
5023 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5024 Adam Nemet <anemet@caviumnetworks.com>
5026 * rtl.h (truncated_to_mode): Declare it.
5027 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5028 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5029 (RTL_HOOKS_INITIALIZER): Include it.
5030 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5031 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5032 reg_truncated_to_mode.
5033 * rtlanal.c (truncated_to_mode): Define it.
5034 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5036 2006-02-28 Jeff Law <law@redhat.com>
5038 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
5039 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5040 the range allowed by TYPE_PRECISION.
5042 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
5044 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
5046 PR tree-optimization/26419
5047 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
5050 2006-02-27 Zack Weinberg <zackw@panix.com>
5052 * doc/md.texi: Fix typo in previous change.
5054 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5058 2006-02-27 Zack Weinberg <zackw@panix.com>
5060 * rtl.def (define_constraint, define_register_constraint)
5061 (define_memory_constraint, define_address_constraint): New MD forms.
5062 * gensupport.c (process_rtx): Put define_constraint etc on the
5064 * genpreds.c (process_define_predicate): Adjust comment. Validate
5065 the name, and call validate_exp to validate the expression.
5066 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5067 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5068 all callers changed.
5069 (validate_exp, needs_variable, struct constraint_data)
5070 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5071 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5072 (const_dbl_constraints, constraint_max_namelen)
5073 (have_register_constraints, have_memory_constraints)
5074 (have_address_constraints, have_address_constraints)
5075 (have_extra_constraints, have_const_int_constraints)
5076 (have_const_dbl_constraints, mangle, add_constraint)
5077 (process_define_constraint, process_define_register_constraint)
5078 (write_enum_constraint_num, write_lookup_constraint)
5079 (write_insn_constraint_len, write_regclass_for_constraint)
5080 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5081 (write_insn_extra_memory_constraint)
5082 (write_insn_extra_address_constraint)
5083 (write_satisfies_constraint_fns): New.
5084 (write_tm_preds_h): If we have new-style constraint definitions,
5085 prototype the functions generated from them, and define the
5086 old constraint interface (still used by generic code) in terms of
5088 (write_insn_preds_c): If we have new-style constraint definitions,
5089 generate all relevant functions from those definitions.
5090 (main): Handle define_constraint etc.
5091 * genoutput.c (struct constraint_data, indep_constraints)
5092 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5093 (mdep_constraint_len): New data structures and functions, defined
5094 #ifdef USE_MD_CONSTRAINTS.
5095 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5096 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5097 use new logic to validate operand constraints against constraint
5099 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5101 * defaults.h: If none of the old-style constraint macros are
5102 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5103 old-style macros; and poison REG_CLASS_FROM_LETTER,
5104 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5106 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5107 * doc/md.texi: Document new constraint-definition mechanism and the
5108 C interface it provides. Remove references to old mechanism
5109 elsewhere in the document.
5110 (Machine Constraints): Use pathnames relative to gcc directory,
5111 i.e. config/ARCH/FILE. Change i386 section to refer to
5112 config/i386/predicates.md; update that section to match docstrings.
5113 * doc/tm.texi: Move all documentation of the old constraint-
5114 definition macros to their own section, clearly mark as obsolete.
5116 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5117 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5119 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5120 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5121 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5123 (splits and peepholes): Use satisfies_constraint_*.
5124 * config/i386/i386.c (memory_address_length)
5125 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5127 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5129 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5130 scalar operation to be put back into the loop.
5132 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5135 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5136 (extract_cie_info): Handle S flag in augmentation string.
5137 (execute_cfa_program): If context->signal_frame, execute also
5138 fs->pc == context->ra instructions.
5139 (uw_frame_state_for): If context->signal_frame, don't subtract one
5140 from context->ra to find FDE.
5141 (uw_update_context_1): Set context->signal_frame to
5143 (_Unwind_GetIPInfo): New function.
5144 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5145 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5147 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5148 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
5149 * unwind-compat.c (_Unwind_GetIPInfo): New function.
5150 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
5151 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
5152 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
5153 * config/i386/linux-unwind.h (x86_fallback_frame_state,
5154 x86_64_fallback_frame_state): Set fs->signal_frame.
5155 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
5156 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
5157 (frob_update_context): Likewise. Workaround missing S flag in
5158 Linux 2.6.12 - 2.6.16 kernel vDSOs.
5159 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
5160 Remove the psw_addr + 1 hack.
5162 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5164 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
5165 with aggregates here.
5166 (find_func_aliases): Remove code for &<aggregate> from here.
5168 2006-02-26 Roger Sayle <roger@eyesopen.com>
5170 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
5171 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
5172 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
5175 2006-02-26 Roger Sayle <roger@eyesopen.com>
5178 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
5180 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
5182 * opts.c (decode_options): Do not handle flag_strength_reduce.
5183 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
5184 and OPT_fstrength_reduce.
5185 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5186 flag_prefetch_loop_arrays for being nonzero.
5187 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5189 (fprefetch-loop-arrays-rtl): Removed.
5190 (flag_prefetch_loop_arrays): Do not specify the value.
5192 * doc/passes.texi: Update documentation of loop optimizer
5194 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5195 -frerun-loop-opt): Remove.
5197 2006-02-26 Richard Guenther <rguenther@suse.de>
5199 PR tree-optimization/26421
5200 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5201 in function calls that are ADDR_EXPRs as using the whole structure.
5203 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5205 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5206 * tree-pass.h (pass_loop_optimize): Remove.
5207 * passes.c (pass_loop_optimize): Never run it.
5208 * toplev.c (backend_init): Don't call init_loop.
5209 * opts.c (flag_loop_optimize_set): Remove.
5210 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5211 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5212 the old RTL loop optimizer when profiling enabled.
5213 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5214 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5215 pre-headers for the sake of the old RTL loop optimizer.
5216 * Makefile.in: Remove all references to loop.o.
5218 * doc/invoke.texi: Remove all references to -floop-optimize
5219 and -frerun-loop-opt.
5221 2006-02-26 Zack Weinberg <zackw@panix.com>
5223 * doc/md.texi (Machine Constraints): Refer to all files with paths
5224 relative to gcc directory (i.e. config/CPU/file). Add missing
5225 @table @code ... @end table to M32C subsection.
5227 2006-02-26 Roger Sayle <roger@eyesopen.com>
5229 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5231 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5233 2006-02-26 Roger Sayle <roger@eyesopen.com>
5234 James A. Morrison <phython@gcc.gnu.org>
5237 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5238 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5239 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5240 signedness of the shift operation.
5242 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5244 PR tree-optimization/26359
5245 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5247 2006-02-25 Roger Sayle <roger@eyesopen.com>
5249 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5250 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5251 as X == 0, and some symmetry related transformations.
5252 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5254 2006-02-25 Roger Sayle <roger@eyesopen.com>
5257 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5258 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5259 symmetry related transformations. Fold (X^C1) == C2 as
5262 2006-02-25 Juergen Weigert <jw@suse.de>
5263 Richard Guenther <rguenther@suse.de>
5265 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5267 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5269 * combine.c (gen_lowpart_or_truncate): Call
5270 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5272 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5274 * doc/invoke.texi: Move -fopenmp description to "Options for
5276 Remove reference to -lgomp.
5278 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5280 * doc/install.texi: Require GNU tar version 1.14.
5282 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5284 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5285 * doc/invoke.texi (C++ Dialect Options): Document
5286 -fno-use-cxa-get-exception-ptr.
5287 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5288 * configure: Regenerate.
5289 * c.opt (fuse-cxa-get-exception-ptr): New.
5290 * c-opts.c (c_common_handle_option): Handle
5291 OPT_fuse_cxa_get_exception_ptr.
5292 * c-common.c (flag_use_cxa_atexit): Update documentation.
5293 (flag_use_cxa_get_exception_ptr): New.
5294 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5295 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5297 (C_COMMON_OVERRIDE_OPTIONS): New.
5299 2006-02-24 Roger Sayle <roger@eyesopen.com>
5302 * combine.c (try_combine): Explicitly check whether GET_CODE is
5303 a SET or a CLOBBER, instead on checking that it isn't a USE.
5305 2006-02-24 Roger Sayle <roger@eyesopen.com>
5307 * fold-const.c (fold_comparison): New subroutine of fold_binary
5308 containing transformations common to both the equality and
5309 ordering relational operators, factored out of fold_binary.
5310 (fold_binary): Separate out the equality operators (EQ_EXPR
5311 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5312 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5313 transformations common to both.
5314 (fold_div_compare): Fix latent bugs in the previously unreachable
5315 LT_EXPR and GE_EXPR cases.
5317 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5319 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5320 decl libname for clog to __clog on AIX.
5322 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5324 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5327 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5328 output traceback table for thunks. Localise rs6000_stack_info call.
5330 2006-02-23 Roger Sayle <roger@eyesopen.com>
5331 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5333 * gthr-posix.h (__gthrw): Fix typo in comment.
5335 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5337 * doc/cpp.texi (Character sets): Document that we do support
5338 input files to be in any character set.
5340 2006-02-23 Jeff Law <law@redhat.com>
5342 * tree.h (PHI_ARG_NONZERO): Remove.
5343 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5344 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5345 node to the new node.
5347 PR tree-optimization/26425
5348 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5349 min/max, then assume its varying.
5351 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5353 PR rtl-optimization/26316
5354 * rtlanal.c (enum may_trap_p_flags): New.
5355 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5356 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5357 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5358 (may_trap_after_code_motion_p): New function.
5359 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5360 (find_invariant_insn): Use may_trap_after_code_motion_p.
5361 * rtl.h (may_trap_after_code_motion_p): Declare.
5363 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5365 * emit-rtl.c (immed_double_const): Cleanup.
5367 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5369 Fix PR tree-optimization/26376
5370 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5373 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5376 * gimplify.c (omp_add_variable): Guard variable size decl test with
5377 DECL_SIZE (decl) check.
5379 2006-02-23 Richard Guenther <rguenther@suse.de>
5382 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5383 like aggregate types.
5385 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5387 * configure.ac: Add --with{,out}-long-double-128 configure option.
5388 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5389 * configure: Rebuilt.
5390 * config.in: Rebuilt.
5391 * doc/install.texi (Options specification): Document
5392 --with-long-double-128.
5394 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5395 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5396 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5397 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5399 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5401 * config/s390/s390.c (override_options): Handle
5402 TARGET_DEFAULT_LONG_DOUBLE_128.
5404 * config/alpha/alpha.c (override_options): Handle
5405 TARGET_DEFAULT_LONG_DOUBLE_128.
5407 * config/sparc/sparc.c (sparc_override_options): Handle
5408 TARGET_DEFAULT_LONG_DOUBLE_128.
5410 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5412 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5413 (real-install-headers-tar, real-install-headers-cpio)
5414 (real-install-headers-cp): New targets.
5416 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5418 * tree.h (variable_section): Delete.
5419 * varasm.c (variable_section): Delete.
5421 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5423 * install.texi: Add notes on install.texi2html.
5424 (Building in parallel): Do not use footnotes.
5426 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5429 * doc/install.texi (Configuration): Document --disable-libgomp.
5431 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5433 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5435 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5437 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5438 (vec_extractv2df_0_sse): New.
5440 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5442 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5443 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5444 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5445 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5446 to the result of the expression.
5447 (def_cfa_1): Adjust.
5448 (frame_pointer_cfa_offset): Rename to...
5449 (frame_pointer_fb_offset): ... this. Adjust all uses.
5450 (convert_cfa_to_loc_list): Rename to...
5451 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5452 Pass it on to build_cfa_loc.
5453 (compute_frame_pointer_to_cfa_displacement): Rename to...
5454 (compute_frame_pointer_to_fb_displacement): ... this. New
5455 offset parameter. Use it in computation.
5456 (gen_subprogram_die): Compute cfa_fb_offset with the new
5457 macro, and use it to compute the fb loc list and the
5460 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5462 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5463 replaced with register_operand.
5464 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5465 non-DREG is expensive.
5466 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5467 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5470 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5472 * doc/install.texi2html: Use set -e.
5474 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5476 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5477 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5478 * doc/invoke.texi (-fshared-data): Delete.
5479 * common.opt (fshared-data): Delete.
5480 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5481 (assemble_static_space): Remove #if 0 code.
5482 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5483 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5484 * config/cris/cris.h: Remove FIXME.
5486 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5488 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5491 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5494 * combine.c (simplify_shift_const_1): Disable nested shifts
5495 optimization for vector shifts.
5497 2006-02-20 Roger Sayle <roger@eyesopen.com>
5499 PR tree-optimization/26361
5500 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5501 of unsigned integer types.
5503 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5505 * tree-chrec.c (eq_evolutions_p): New.
5506 * tree-chrec.h (eq_evolutions_p): Declared.
5507 * tree-data-ref.c: Fix formatting.
5508 (datadep_stats, dependence_stats): New.
5510 (print_direction_vector): New.
5511 (dump_data_dependence_relation): Use print_direction_vector.
5512 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5513 (compute_subscript_distance): Static.
5514 (initialize_data_dependence_relation): Static. Get the number
5515 of loops surrounding the references from the callers, and initialize
5516 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5517 base_object_differ_p analyzers.
5518 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5519 compute_overlap_steps_for_affine_1_2,
5520 analyze_subscript_affine_affine): Count the classified dependences.
5521 Print a message when a test failed.
5522 (can_use_analyze_subscript_affine_affine): New.
5523 (analyze_siv_subscript): Compute the data dependences on symbolic
5524 scevs that verify can_use_analyze_subscript_affine_affine.
5525 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5526 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5527 Handle symbolic scevs.
5528 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5530 (subscript_dependence_tester): Moved...
5531 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5532 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5533 DDR_SIZE_VECT instead of getting it in parameter.
5534 (subscript_dependence_tester): ... here. Take as a parameter
5535 loop_nest_depth. Call build_classic_dist_vector and
5536 build_classic_dir_vector.
5537 (compute_affine_dependence): Update subscript_dependence_tester
5538 parameters. Update datadep_stats counters. Call
5539 compute_subscript_distance.
5540 (compute_self_dependence): Save the dist and dir vectors. Call
5541 compute_subscript_distance.
5542 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5543 (compute_all_dependences): Reorder parameters as they were before
5544 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5545 compute_subscript_distance. Update the use of
5546 compute_affine_dependence and initialize_data_dependence_relation.
5547 (find_data_references_in_loop): Handle COMPONENT_REF.
5548 (compute_data_dependences_for_loop): Initialize dependence_stats.
5549 Don't call build_classic_dist_vector and build_classic_dir_vector.
5550 Update the parameters of initialize_data_dependence_relation and
5551 compute_all_dependences. Print the statistics from datadep_stats.
5552 (analyze_all_data_dependences): Static. Not used until the pass for
5553 checking the data dependences is contributed.
5554 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5555 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5556 (initialize_data_dependence_relation, compute_affine_dependence,
5557 analyze_all_data_dependences, compute_subscript_distance): Removed.
5558 (print_direction_vector): New.
5559 * lambda.h (gcd): ... here.
5560 (lambda_vector_gcd): Moved here from gcd_vector.
5561 * lambda-code.c (gcd, gcd_vector): Removed.
5562 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5563 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5565 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5567 * ipa-type-escape.c: Tidy some comments and white space.
5568 * tree-ssa-operands.c: Likewise.
5570 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5573 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5574 (dump_decl_name): Do not walk the decl tree chains.
5575 * tree-pass.h (TDF_CHAIN): Remove.
5577 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5579 * Makefile.in (C): Remove
5581 (.PHONY): Remove C and PROTO
5583 2006-02-20 Roger Sayle <roger@eyesopen.com>
5586 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5587 deprecated CHAR_TYPE tree code.
5589 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5591 * configure.ac (target_list): Add install-info, dvi, html.
5592 * configure: Regenerate.
5594 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5595 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5596 treelang/Make-lang.in: Do not use double-colon rules.
5598 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5600 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5601 (TMT_USED_ALONE): New macro.
5602 * tree-pass.h (PROP_tmt_usage): New property.
5603 (TODO_update_tmt_usage): New todo.
5604 * tree-ssa-alias.c (updating_used_alone): New variable.
5605 (recalculate_used_alone): New function.
5606 (compute_may_aliases): Set updating_used_alone, call
5607 recalculate_used_alone.
5608 * tree-sra.c (pass_sra): Note that this pass destroys
5609 PROP_tmt_usage, and add TODO_update_tmt_usage.
5610 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5611 * tree-flow.h (updating_used_alone): Prototype.
5612 (recalculate_used_alone): Ditto.
5613 * passes.c (execute_todo): Add code to set updating_used_alone,
5614 and call recalculate.
5615 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5616 for clobber if used alone, and add assert to verify used_alone
5619 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5621 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5622 for non tls symbols added.
5623 (legitimize_address): Do nothing for PLUS expressions if one of the
5624 addends is a tls symbol reference.
5626 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5630 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5632 * Makefile.in (BOOTSTRAPPING): New.
5633 (quickstrap): New definition if BOOTSTRAPPING=yes.
5635 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5636 * configure.ac: Substitute all_selected_languages with the languages
5637 that were configured. For all the other variables except
5638 lang_specs_files, include all the languages in the tree.
5639 * configure: Regenerate.
5641 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5642 if there is one. Run the commands to run fixincludes in the same
5645 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5646 * doc/install.texi: Document exact conventions for searching target tools.
5647 Document --with-build-time-tools. Document toplevel bootstrap. Document
5648 something more about building an Ada cross-compiler. Don't list GNU Make
5649 requirements which affect all platforms.
5651 2006-02-19 Roger Sayle <roger@eyesopen.com>
5654 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5655 only equivalent if the have both the same mode and precision.
5657 2006-02-20 Ben Elliston <bje@au.ibm.com>
5659 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5661 2006-02-19 Roger Sayle <roger@eyesopen.com>
5662 Steven Bosscher <stevenb.gcc@gmail.com>
5664 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5665 constant pool references to identify stack mode constants.
5666 * rtlanal.c (constant_pool_constant_p): New predicate to check
5667 whether operand is a floating point constant in the pool.
5668 * rtl.h (constant_pool_constant_p): Prototype here.
5669 * loop.c (scan_loop): Avoid hoisting constants from the constant
5670 pool on STACK_REGS targets.
5671 (load_mems): Likewise.
5672 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5673 loads into x87 registers expensive in terms of register pressure.
5675 2006-02-19 Roger Sayle <roger@eyesopen.com>
5677 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5678 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5680 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5682 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5683 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5685 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5687 * doc/invoke.texi: Document -fipa-pta.
5688 * common.opt: Add ipa-pta option.
5689 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5690 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5691 (do_ds_constraint): Ditto.
5692 (get_constraint_for): Only add to referenced_vars if
5693 referenced_vars exists.
5694 (insert_into_field_list): Rewrite to do this unsorted.
5695 (insert_into_field_list_sorted): Rename old insert_into_field_list
5697 (create_function_info_for): Use insert_into_field_list_sorted.
5698 (create_variable_info_for): Rewrite so it uses unsorted version,
5699 since the field list is sorted.
5700 (intra_create_variable_infos): Only add to referenced_vars if
5701 referenced_vars exists.
5702 (ipa_pta_execute): Init heapvars, and delete when done.
5703 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5705 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5707 * doc/install.texi: Add missing `@samp'.
5709 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5711 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5714 2006-02-18 Mark Wielaard <mark@klomp.org>
5716 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5717 who added new 4.1 features, bug fixes and integration support.
5719 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5722 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5725 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5727 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5728 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5729 (copy_insn_1): Likewise. Don't copy each field individually.
5731 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5733 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5734 * rtl.c (rtx_size): Rename variable to...
5735 (rtx_code_size): ...this.
5736 (rtx_size): New function.
5737 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5738 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5740 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5741 * rtl.h (rtx_code_size): New variable.
5742 (rtx_size): Change from a variable to a function.
5743 (RTX_SIZE): Rename to...
5744 (RTX_CODE_SIZE): ...this.
5747 PR tree-optimization/17106
5748 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5749 (Anchored Addresses): New section.
5750 * doc/invoke.texi (-fsection-anchors): Document.
5751 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5752 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5753 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5754 * hooks.c (hook_bool_mode_rtx_false): New function.
5755 * hooks.h (hook_bool_mode_rtx_false): Declare.
5756 * gengtype.c (create_optional_field): New function.
5757 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5758 SYMBOL_REF_IN_BLOCK_P is true.
5759 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5760 (min_anchor_offset, max_anchor_offset): Likewise.
5761 (use_anchors_for_symbol_p): New hook.
5762 * toplev.c (compile_file): Call output_object_blocks.
5763 (target_supports_section_anchors_p): New function.
5764 (process_options): Check that -fsection-anchors is only used on
5765 targets that support it and when -funit-at-a-time is in effect.
5766 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5767 if the decl doesn't have one.
5768 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5769 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5770 of force_const_mem through use_anchored_address.
5771 (expand_expr_constant): New function.
5772 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5773 calling expand_expr for INDIRECT_REF.
5774 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5775 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5776 * expr.h (use_anchored_address): Declare.
5777 * loop-unroll.c: Don't declare rtx vectors here.
5778 * explow.c: Include output.h.
5779 (validize_mem): Call use_anchored_address.
5780 (use_anchored_address): New function.
5781 * common.opt (-fsection-anchors): New switch.
5782 * varasm.c (object_block_htab, anchor_labelno): New variables.
5783 (hash_section, object_block_entry_eq, object_block_entry_hash)
5784 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5785 (use_blocks_for_decl_p, change_symbol_section): New functions.
5786 (get_variable_section): New function, split out from assemble_variable.
5787 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5788 use_blocks_for_decl_p say so. Use change_symbol_section if the
5789 symbol has already been created.
5790 (assemble_variable_contents): New function, split out from...
5791 (assemble_variable): ...here. Don't output any code for
5792 block symbols; just pass them to place_block_symbol.
5793 Use get_variable_section and assemble_variable_contents.
5794 (get_constant_alignment, get_constant_section, get_constant_size): New
5795 functions, split from output_constant_def_contents.
5796 (build_constant_desc): Create a block symbol if use_object_blocks_p
5797 says so. Or into SYMBOL_REF_FLAGS.
5798 (assemble_constant_contents): New function, split from...
5799 (output_constant_def_contents): ...here. Don't output any code
5800 for block symbols; just pass them to place_section_symbol.
5801 Use get_constant_section and get_constant_alignment.
5802 (force_const_mem): Create a block symbol if use_object_blocks_p and
5803 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5804 (output_constant_pool_1): Add an explicit alignment argument.
5805 Don't switch sections here.
5806 (output_constant_pool): Adjust call to output_constant_pool_1.
5807 Switch sections here instead. Don't output anything for block symbols;
5808 just pass them to place_block_symbol.
5809 (init_varasm_once): Initialize object_block_htab.
5810 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5811 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5812 (place_block_symbol, get_section_anchor, output_object_block)
5813 (output_object_block_htab, output_object_blocks): New functions.
5814 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5815 (TARGET_ASM_OUT): Include it.
5816 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5817 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5818 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5819 (TARGET_INITIALIZER): Include them.
5820 * rtl.c (rtl_check_failed_block_symbol): New function.
5821 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5822 (block_symbol, object_block): New structures.
5823 (rtx_def): Add a block_symbol field to the union.
5824 (BLOCK_SYMBOL_CHECK): New macro.
5825 (rtl_check_failed_block_symbol): Declare.
5826 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5827 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5828 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5829 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5830 * output.h (output_section_symbols): Declare.
5831 (object_block): Name structure.
5832 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5833 (default_use_anchors_for_symbol_p): Declare.
5834 * Makefile.in (RTL_BASE_H): Add vec.h.
5835 (explow.o): Depend on output.h.
5836 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5837 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5838 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5839 (rs6000_use_blocks_for_constant_p): New function.
5841 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5843 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5845 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5848 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5851 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5853 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5857 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5860 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5861 instead of DECL_REGISTER.
5863 2006-02-18 Olivier Hainque <hainque@adacore.com>
5866 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5868 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5871 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5872 * opth-gen.awk: Handle Var and InverseMask together.
5873 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5874 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5875 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5876 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5878 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5879 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5880 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5881 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5882 LINUX_DYNAMIC_LINKER): Define.
5883 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5884 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5886 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5887 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5888 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5889 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5890 (TARGET_C99_FUNCTIONS): Don't define.
5891 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5892 GLIBC_DYNAMIC_LINKER.
5893 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5894 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5895 GLIBC_DYNAMIC_LINKER64): Define.
5896 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5897 LINUX_DYNAMIC_LINKER64.
5898 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5899 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5900 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5901 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5902 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5903 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5904 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5905 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5906 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5907 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5908 and LINUX_DYNAMIC_LINKER32.
5909 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5910 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5911 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5912 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5913 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5915 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5916 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5917 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5918 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5919 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5920 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5921 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5922 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5923 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5924 LINUX_DYNAMIC_LINKER): Define.
5925 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5926 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5927 GLIBC_DYNAMIC_LINKER64): Define.
5928 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5929 LINUX_DYNAMIC_LINKER64.
5930 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5931 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5932 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5933 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5934 LINUX_DYNAMIC_LINKER): Define.
5935 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5936 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5937 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5938 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5939 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5940 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5941 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5942 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5943 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5944 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5945 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5946 * doc/invoke.texi (-muclibc): Remove caveat about supported
5949 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5951 * doc/cpp.texi (__TIMESTAMP__): Document.
5953 2006-02-17 Roger Sayle <roger@eyesopen.com>
5956 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5957 C is one less than the width of X (and related transformations).
5958 * simplify-rtx.c (simplify_unary_operation_1): Transform
5959 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5960 depending on STORE_FLAG_VALUE, were C is one less then the
5963 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5965 Fix PR tree-optimization/26341
5966 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5967 about NAME_MEMORY_TAG's.
5969 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5972 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5973 with hardware float support, and software float support. Add fcpy
5974 alternative to hardware patterns. Add alternatives to copy between
5975 general and floating-point registers to the 32-bit pattern.
5976 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5977 secondary reload to load a QI or HI mode constant into a floating
5979 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5980 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5982 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5985 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5987 (load_macho_picbase_di): Likewise.
5989 2006-02-16 Jeff Law <law@redhat.com>
5991 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5992 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5993 (ssa_name_nonzero_p): Likewise.
5994 (get_value_range): Return NULL if VRP is not running.
5995 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5996 VRP routines do not discover a range.
5997 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5998 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5999 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6000 (tree_expr_nonnegative_p): Similarly.
6001 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6002 (restore_nonzero_vars_to_original_value): Remove.
6003 (unsafe_associative_fp_binop): Remove.
6004 (tree_ssa_dominator_optimize): Remove initialization and
6005 finalization of nonzero_vars and nonzero_vars_stack.
6006 (dom_opt_initialize_block): No longer push marker on
6008 (dom_opt_finalize_block): No longer call
6009 restore_nonzero_vars_to_original_value.
6010 (record_equivalences_from_phis): No longer look for
6011 nonzero PHI arguments.
6012 (cprop_into_successor_phis): No longer propagate nonzero
6013 property into PHI arguments. Lose unused argument. Caller
6015 (record_equivalences_from_stmt): No longer record nonzero
6016 values for SSA_NAMEs.
6017 (lookup_avail_expr): No longer use nonzero_vars.
6019 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6020 for sizetype when sizetype is unsigned.
6022 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6024 PR rtl-optimization/25603
6025 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6026 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6027 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6028 with new meaning of SETS.
6030 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6035 * config/linux.opt: New file.
6036 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6037 LINUX_DYNAMIC_LINKER): Define.
6038 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
6039 * config.gcc (*-*-linux*): Define extra_options.
6040 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
6041 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
6042 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
6043 GLIBC_DYNAMIC_LINKER.
6044 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
6045 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6046 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6047 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6048 * doc/invoke.texi (GNU/Linux Options): New section.
6050 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6052 * config/sparc/sparc.md (setjmp): Rewrite.
6053 (setjmp_32): Delete.
6054 (setjmp_64): Likewise.
6056 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6058 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6061 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6063 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6066 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6068 PR rtl-optimization/26296
6069 * Makefile.in (loop-invariant.c): Add except.h dependency.
6070 * loop-invariant.c: Include except.h.
6071 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6073 2005-02-16 Paul Brook <paul@codesourcery.com>
6075 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6078 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6080 PR rtl-optimization/25636
6081 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6082 when deciding whether an insn is an initializing insn.
6084 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6086 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6087 (tree_code_size): Ditto.
6088 * tree.h (struct tree_memory_tag): Remove parent_var.
6089 (struct tree_struct_field_tag): New.
6092 (union tree_node): Add sft member.
6093 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6095 (create_sft): Add size and offset argument, set SFT_OFFSET and
6097 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6098 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6099 * tree-flow-inline.h (get_subvar_at): Update for
6100 SFT_OFFSET/SFT_SIZE.
6101 (var_can_have_subvars): Ditto.
6102 (overlap_subvar): Ditto.
6103 * print-tree.c (print_node): Print out interesting things for
6105 * tree-flow.h (struct subvar): Remove offset and size members.
6106 * tree-ssa-operands.c (get_expr_operands): Update for
6107 get_indirect_ref_operands changes.
6108 (get_indirect_ref_operands): Call add_virtual_operand instead of
6109 add_stmt_operand. Only recurse on base var if requested.
6110 (access_can_touch_variable): New function.
6111 (add_stmt_operand): Split virtual operand handling into ...
6112 (add_virtual_operand): Here. Add offset, size, and for_clobber
6113 arguments. Prune alias sets.
6114 (add_call_clobber_ops): Call add_virtual_operand.
6116 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6119 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6121 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6122 than TREE_CODE as index into omp_clause_num_ops array.
6124 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6126 PR rtl-optimization/26184
6127 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6129 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6130 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6131 must_precede, must_follow and tobe_scheduled.
6134 * opts.c (common_handle_option): Free new_option pointer.
6135 * df-core.c (df_analyze): Free postorder pointer.
6137 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6139 * Makefile.in: Fix the examples about the use of stamps
6141 2006-02-15 Michael Matz <matz@suse.de>
6145 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6146 influenced by maximum_field_alignment or DECL_PACKED.
6147 (update_alignment_for_field): Ditto.
6148 (place_field): Ditto.
6149 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
6152 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
6154 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
6155 (debug_flow_info): Pass it.
6156 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
6157 * bb-reorder.c (reorder_basic_blocks): Likewise.
6158 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
6159 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
6160 * flow.c (life_analysis, recompute_reg_usage): Likewise.
6161 * gcse.c (gcse_main, bypass_jumps): Likewise.
6162 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
6163 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
6164 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
6165 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
6166 * rtl.h (dump_flow_info): Adjust prototype.
6167 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
6168 * var-tracking.c (variable_tracking_main): Likewise.
6169 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
6170 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
6173 2006-02-15 Marcin Dalecki <martin@dalecki.de>
6175 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
6178 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6180 PR tree-optimization/26209
6181 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
6182 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
6184 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6186 2006-02-14 Roger Sayle <roger@eyesopen.com>
6189 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6190 (X,Y) and the corresponding symmetry related transformations.
6191 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6192 (X,Y) and its symmetry related transformations.
6194 2006-02-14 Roger Sayle <roger@eyesopen.com>
6196 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6199 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6201 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6203 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6206 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6207 support COMDAT group.
6208 * configure: Regenerate.
6210 2006-02-14 Roger Sayle <roger@eyesopen.com>
6215 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6217 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6219 Fix PR tree-optimization/26260
6221 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6223 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6224 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6225 * tree-ssa-structalias.c (create_variable_info_for): Use
6226 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6228 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6230 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6232 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6233 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6234 of the ending condition.
6235 * tree-ssa-loop-manip.c: Include params.h.
6236 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6237 tree_unroll_loop): New functions.
6238 * tree-pass.h (pass_loop_prefetch): Declare.
6239 * loop.c (rest_of_handle_loop_optimize): Test for
6240 -fprefetch-loop-arrays-rtl.
6241 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6242 * timevar.def (TV_TREE_PREFETCH): New timevar.
6243 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6244 pass_loop_prefetch): New.
6245 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6246 (cleanup_tree_cfg_loop): Call scev_reset.
6247 * common.opt (fprefetch-loop-arrays-rtl): Add.
6248 * tree-ssa-loop-prefetch.c: New file.
6249 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6250 (new_temp_expr_table): Initialize expr_vars.
6251 (free_temp_expr_table): Cleanup expr_vars.
6252 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6253 expressions from being merged into one.
6254 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6255 (struct tree_niter_desc): Add control, bound and cmp fields.
6256 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6258 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6259 (tree-cfgcleanup.o): Add SCEV_H dependency.
6260 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6261 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6263 2006-02-14 Richard Guenther <rguenther@suse.de>
6265 PR tree-optimization/26258
6266 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6267 in PHI argument processing.
6269 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6271 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6272 new expression in the requested machine mode.
6274 2006-02-13 Roger Sayle <roger@eyesopen.com>
6276 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6277 directly, instead let do_compare_rtx_and_jump handle this for us.
6278 * expr.c (expand_expr_real_1): Likewise.
6279 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6280 before do_jump_by_parts_greater.
6281 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6282 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6284 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6286 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6288 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6290 PR rtl-optimization/26235
6291 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6292 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6295 2006-02-13 Jeff Law <law@redhat.com>
6297 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6300 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6303 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6304 twice if decl is a builtin. When trying again, call get_callee_fndecl
6305 first to verify it is still a builtin.
6307 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6309 * dwarf2out.c (base_type_die): Don't add AT_name here.
6310 (subrange_type_die): Don't add AT_name here.
6311 (modified_type_die): Rearrange code flow. Do add AT_name here.
6313 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6315 PR rtl-optimization/26247
6316 PR rtl-optimization/26248
6317 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6319 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6321 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6322 * config/fixtfdi.c: Likewise.
6323 * config/fixunstfdi.c: Likewise.
6324 * config/floatditf.c: Likewise.
6326 2006-02-13 Roger Sayle <roger@eyesopen.com>
6329 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6330 into (X,C2) if C1 is a subset of the bits of C2. Transform
6331 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6333 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6335 2006-02-13 Josh Conner <jconner@apple.com>
6338 * varasm.c (function_section): Check for section name before
6339 calling select_section on targets that define
6340 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6341 unlikely_text_section instead of hot_function_section if
6342 first_function_block_is_cold.
6344 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6347 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6349 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6351 PR rtl-optimization/26222
6352 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6353 after tree->rtl expansion.
6354 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6355 before passing it to emit_move_insn.
6357 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6359 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6361 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6362 Clarify documentation.
6363 * c-common.h (warn_write_strings): Remove.
6364 * c-common.c (warn_write_strings): Likewise.
6365 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6368 2006-02-12 Roger Sayle <roger@eyesopen.com>
6371 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6372 (do_jump_parts_zero_rtx): New function renamed from
6373 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6374 (do_jump_parts_equality_rtx): New function split out from
6375 do_jump_parts_equality. Old implementation renamed as above.
6376 Call do_jump_parts_zero_rtx if either operand is zero.
6377 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6378 do all of the heavy lifting.
6379 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6380 calling either do_jump_by_parts_greater_rtx or
6381 do_jump_by_parts_equality_rtx.
6382 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6383 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6384 moved to do_compare_rtx_and_jump, call it directly.
6385 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6386 mode argument. Call do_compare_rtx_and_jump.
6387 (emit_case_nodes): Update calls to do_jump_if_equal.
6389 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6391 PR rtl-optimization/26225
6392 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6394 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6396 PR rtl-optimization/26232
6397 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6399 2006-02-11 Jason Merrill <jason@redhat.com>
6402 * tree-inline.c (declare_return_variable): Just don't use the
6403 modify target if it's a gimple complex reg and the return slot
6406 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6408 * doc/contrib.texi: Update my entry.
6410 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6412 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6414 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6416 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6419 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6421 * doc/invoke.texi (-floop-optimize2): Removed.
6422 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6423 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6424 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6425 * common.opt (floop-optimize2): Removed.
6426 (fmove-loop-invariants): Enabled by default.
6428 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6430 * tree-if-conv.c (combine_blocks): Free the result of
6431 get_loop_exit_edges.
6433 2006-02-10 Jeff Law <law@redhat.com>
6435 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6437 PR tree-optimization/26213
6438 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6439 loop trying to follow SSA_NAME_VALUE chains.
6441 2006-02-10 Richard Guenther <rguenther@suse.de>
6443 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6444 deal with structures that end in implicitly variable sized arrays.
6446 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6448 PR rtl-optimization/24762
6449 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6452 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6454 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6455 (struct ivopts_data): Add regs_used field.
6456 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6457 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6458 instead of loop_data->regs_used;
6459 (free_loop_data): Do not free aux fields for loops.
6460 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6461 and tree_ssa_iv_optimize_finalize.
6463 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6465 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6467 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6470 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6471 computing the effective result type.
6473 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6476 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6477 (tree_overlaps_hard_reg_set): Declare.
6478 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6479 type and signature to match function type expected by walk_tree.
6480 (tree_overlaps_hard_reg_set): New function.
6481 (decl_conflicts_with_clobbers_p): Rename to:
6482 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6483 Use tree_overlaps_hard_reg_set. Changed caller.
6484 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6485 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6486 * cris.c (cris_md_asm_clobbers): Likewise.
6488 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6490 * reload1.c (emit_input_reload_insns): Delete code that tries to
6491 inherit using find_equiv_reg.
6493 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6495 * c-common.h (flag_const_strings): Don't declare.
6496 * c-common.c (flag_const_strings): Remove.
6497 * c.opt (fconst_strings): Remove.
6498 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6499 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6500 (c_common_init_options): Don't set flag_const_strings.
6501 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6503 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6505 * arm.md (tlobits_cbranch): New pattern.
6506 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6507 testing a single bit.
6509 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6512 * tree-ssa-pre.c (create_component_ref_by_pieces):
6513 Handle RETURN_DECL like VAR_DECL.
6515 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6518 * fold-const.c (fold_indirect_ref_1): Fold
6519 "*(foo *)&complexfoo" to "__real__ complexfoo"
6520 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6522 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6524 * tree-flow-inline.h (var_can_have_subvars):
6525 Volatile variables should not have subvariables.
6527 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6530 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6531 multiplying unsigned values.
6534 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6536 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6538 2006-02-08 Jason Merrill <jason@redhat.com>
6541 * tree.def: Elaborate on difference from MODIFY_EXPR.
6542 * doc/c-tree.texi (INIT_EXPR): Likewise.
6543 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6544 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6545 (gimplify_target_expr): Likewise.
6546 (gimplify_cond_expr): Remove target handling.
6547 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6548 (gimplify_expr): Clobber it here.
6549 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6550 Do return slot optimization if we have an INIT_EXPR.
6553 * tree-inline.c (declare_return_variable): Also clear
6554 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6557 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6560 * gimplify.c (gimplify_one_sizepos): Fix typo.
6562 2006-02-08 Jeff Law <law@redhat.com>
6564 PR tree-optimization/21417
6565 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6566 across a backedge if the control statement at the end of the
6567 block is data dependent on other statements in the same block.
6568 (record_temporary_equivalences_from_stmts): Remove over-conservative
6569 test for threading across backedges.
6571 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6572 control statement, handle all three special cases in the same
6573 manner as they all have the same desired solution. No longer
6574 special case edge flag updating when the post dominator is
6577 2006-02-08 Roger Sayle <roger@eyesopen.com>
6579 * tree.def (CHAR_TYPE): Remove.
6580 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6581 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6582 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6583 (gen_string_type_die): Delete unreachable function.
6585 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6586 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6587 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6588 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6589 * builtins.c (type_to_class): Likewise.
6590 * fold-const.c (fold_convert, build_range_check,
6591 merge_ranges): Likewise.
6592 * expr.c (count_type_elements): Likewise.
6593 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6594 * stor-layout.c (layout_type): Likewise.
6595 * ipa-type-escape.c (type_to_consider): Likewise.
6596 * gimplify.c (omp_firstprivatize_type_sizes,
6597 gimplify_type_sizes): Likewise.
6598 * explow.c (promote_mode): Likewise.
6599 * tree-sra.c (is_sra_scalar_type): Likewise.
6600 * varasm.c (output_constant): Likewise.
6601 * tree-inline.c (remap_type_1): Likewise.
6602 * convert.c (convert_to_pointer, convert_to_real,
6603 convert_to_integer, convert_to_complex): Likewise.
6605 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6607 * df-scan.c (df_def_record_1): A set destination may
6608 be a parallel regardless of mode.
6610 2006-02-08 Roger Sayle <roger@eyesopen.com>
6613 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6614 * config/mips/_tilib.c: Remove.
6615 * config/fixtfdi.c: New libgcc source file.
6616 * config/fixunstfdi.c: New source file.
6617 * config/floatditf.c: New source file.
6618 * config/floatunditf.c: New souce file.
6619 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6620 files above instead of config/mips/_tilib.c.
6621 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6623 2006-02-08 Jeff Law <law@redhat.com>
6625 PR tree-optimization/26169
6626 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6629 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6631 * df.h (DF_REG_SIZE): Return the length of the initialized
6634 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6636 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6637 __muldf3): Return a correctly signed zero.
6639 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6641 * passes.c (register_one_dump_file): Accept the current properties
6642 instead of pass number. Adjust call to dump_register. Remove
6644 (register_dump_files): Now a wrapper around...
6645 (register_dump_files_1): ... this one. Do not modify the pass
6647 (next_pass_1): Cosmetic fix.
6648 (execute_todo): Keep second parameter only. Use curr_properties
6649 instead of fetching it from the pass structure. Check and set
6651 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6652 instead of fetching it from the pass structure. Fix calls to
6653 execute_todo. Update curr_properties and initialize .vcg RTL dump
6654 after running the pass. Reset last_verified.
6655 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6657 (FIRST_AUTO_NUMBERED_DUMP): New.
6658 (dump_register): Remove "num" parameter, assign it within the
6660 (get_dump_file_name): Modify template for dumps.
6661 * tree-dump.h (dump_register): Adjust prototype.
6662 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6663 (PROP_trees): Add PROP_gimple_lomp.
6664 (TODO_set_props): New.
6665 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6666 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6667 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6669 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6671 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6672 (sparc64-*-linux*): Likewise.
6673 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6674 * config/sparc/t-linux: New file.
6675 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6676 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6677 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6678 -m32 -mlong-double-128.
6680 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6681 * config/alpha/t-linux: New file.
6682 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6684 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6685 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6686 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6687 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6688 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6689 (CPP_ARCH32_SPEC): Remove.
6691 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6693 PR tree-optimization/26145
6694 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6697 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6700 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6701 >= 240000 when generating code for SOM runtime.
6702 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6703 to $$dyncall when generating code for SOM runtime..
6705 2006-02-07 Dirk Mueller <dmueller@suse.com>
6708 * doc/invoke.texi (-Wsequence-point): Update documentation
6709 that -Wsequence-point is implemented for C++ as well.
6711 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6713 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6714 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6715 (LIB_SPEC): Likewise.
6716 * doc/invoke.texi (SPARC options): Document -pthread.
6718 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6720 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6723 2006-02-07 Roger Sayle <roger@eyesopen.com>
6725 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6726 Correct comment describing BOOLEAN_TYPE.
6728 2006-02-07 Dirk Mueller <dmueller@suse.com>
6730 * c.opt: C++ frontend supports -Wdiv-by-zero.
6731 * c-opts.c (c_common_handle_option): Remove dead case.
6733 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6735 * configure.ac (TLS assembler check): Do not enable TLS by
6736 default on SPARC/Solaris before version 10.
6737 * configure: Regenerate.
6739 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6741 * doc/invoke.texi (xl-compat): Document conversion and support
6744 2006-02-07 Jeff Law <law@redhat.com>
6746 * tree-vrp.c (find_conditional_asserts): Update comments.
6747 (simplify_stmt_for_jump_threading): New.
6748 (identify_jump_threads, finalize_jump_threads): New.
6749 (vrp_finalize): Call identify_jump_threads.
6750 (execute_vrp): Call finalize_jump_threads.
6751 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6752 (vrp_element, vrp_data, vrp_element_p): Remove.
6753 (vrp_hash_elt, vrp_variables_stack): Remove.
6754 (vrp_hash, vrp_eq, record_range): Remove.
6755 (simplify_cond_and_lookup_avail_expr): Remove.
6756 (extract_range_from_cond): Remove.
6757 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6758 (simplify_stmt_for_jump_threading): New.
6759 (dom_thread_across_edge): New wrapper.
6760 (tree_ssa_dominator_optimize): No longer initialize or
6761 finalize any of the VRP datastructures. Remove iteration
6762 step and simplify as a result of removal of iteration step.
6763 (pass_dominator): Perform a cfg cleanup after DOM.
6764 (dom_opt_finalize_block): Use the new common routines
6765 for threading jumps. Simplify stack management slightly.
6766 No longer need to unwind VRP state.
6767 (record_equivalences_from_incoming_edge): No longer record
6769 (eliminate_redundant_computations): No longer call
6770 simplify_cond_and_lookup_avail_expr.
6771 * tree-flow.h (potentially_threadable_block): Prototype.
6772 (thread_across_edge): Likewise.
6773 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6774 (tree-ssa-threadedge.o): Add dependencies.
6775 * tree-ssa-threadedge.c: New file.
6776 * passes.c (init_optimization_passes): Merge PHIs before
6777 calling VRP. Run VRP again late in the SSA optimization pipeline.
6779 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6781 * df-core.c (df_set_blocks): Do not dereference function pointers.
6782 (df_finish1): Likewise.
6783 (df_hybrid_search_forward): Likewise.
6784 (df_hybrid_search_backward): Likewise.
6785 (df_iterative_dataflow): Likewise.
6786 (df_analyze_problem): Likewise.
6787 (df_compact_blocks): Likewise.
6788 (df_dump): Likewise.
6789 * df-scan.c (df_rescan_blocks): Likewise.
6790 (df_record_entry_block_defs): Likewise.
6792 * genconditions.c (write_conditions): Guard the definition of
6793 'insn_conditions' with the check on GCC version.
6794 (write_writer): Guard the traversal 'insn_conditions' with
6795 the check on GCC version.
6797 2006-02-07 Richard Guenther <rguenther@suse.de>
6801 2006-01-30 Richard Guenther <rguenther@suse.de>
6803 * gimplify.c (gimplify_target_expr): Handle easy cases
6804 without creating a temporary.
6806 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6808 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6809 use of float in probability computations. Use edge probabilities
6810 in place of statically computed probabilities.
6811 (min_spec_prob): New static variable.
6812 (schedule_insns): Initialize it.
6813 (GET_SRC_PROB): Removed.
6814 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6816 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6819 * config/ia64/unwind-ia64.c: Revert last change.
6820 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6821 (INCOMING_FRAME_SP_OFFSET): Define.
6823 2006-02-06 Roger Sayle <roger@eyesopen.com>
6825 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6827 2006-02-07 Ben Elliston <bje@au.ibm.com>
6829 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6830 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6831 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6832 (ix86_return_in_memory): Handle TDmode.
6833 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6834 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6836 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6838 * reorg.c (dbr_schedule): Use dump_file instead of file.
6840 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6843 * config/ia64/predicates.md (extr_len_operand): New predicate.
6844 * config/ia64/ia64.md (extv): Tighten constraints.
6846 (*tbit_and_2): Ditto.
6847 (*tbit_and_3): Ditto.
6848 (*tbit_or_2): Ditto.
6849 (*tbit_or_3): Ditto.
6853 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6856 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6858 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6860 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6861 loop_optimizer_init and loop_optimizer_finalize
6862 * tree-ssa-sink.c (execute_sink_code): Ditto.
6863 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6864 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6865 tree_ssa_loop_done): Ditto.
6866 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6867 * sched-ebb.c: Include output.h.
6868 (schedule_ebbs): Do not use dump argument.
6869 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6870 * loop.c (loop_dump_stream): Removed.
6871 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6873 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6874 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6875 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6876 loop_iterations, strength_reduce, record_biv, record_giv,
6877 final_giv_value, check_final_value, check_ext_dependent_givs,
6878 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6879 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6880 dump_file instead of loop_dump_stream.
6881 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6883 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6885 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6886 * haifa-sched.c: Include output.h
6887 (schedule_insns, sched_init): Do not use dump argument.
6888 * mode-switching.c (optimize_mode_switching): Ditto.
6889 * modulo-sched.c (stats_file): Removed.
6890 (print_node_sched_params): Do not call argument dump_file.
6891 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6892 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6894 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6896 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6897 rtl_loop_init, rtl_loop_done): Ditto.
6898 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6899 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6901 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6902 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6903 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6904 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6905 * emit-rtl.c (renumber_insns): Ditto.
6906 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6907 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6908 * regclass.c (regclass): Ditto.
6909 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6910 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6911 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6912 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6914 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6915 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6917 * gcse.c (gcse_file, debug_stderr): Removed.
6918 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6919 rest_of_handle_gcse): Do not use dump argument.
6920 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6921 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6922 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6923 compute_code_hoist_vbeinout, compute_code_hoist_data,
6924 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6925 compute_store_table, build_store_vectors, insert_insn_start_bb,
6926 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6927 store_motion): Use dump_file instead of gcse_file.
6928 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6929 * profile.c (profile_dump_file): Removed.
6930 (branch_prob): Use dump_file instead of profile_dump_file.
6931 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6933 * tree-ssa-copy.c (dump_copy_of): Ditto.
6934 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6935 dump file to life_analysis.
6936 * bt-load.c (branch_target_load_optimize): Ditto.
6937 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6939 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6940 regclass, dbr_schedule): Declaration changed.
6941 * sched-int.h (sched_init): Declaration changed.
6942 * tree-profile.c (tree_profile_dump_file): Removed.
6943 (tree_profile_hooks): Removed profile_dump_file hook.
6944 * rtl-profile (rtl_profile_dump_file): Removed.
6945 (rtl_profile_hooks): emoved profile_dump_file hook.
6946 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6948 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6949 * tree-cfg.c (build_tree_cfg): Ditto.
6950 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6951 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6952 Declaration changed.
6953 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6954 life_analysis and schedule_insns.
6955 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6957 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6959 * config/mips/mips.c (mips_reorg): Ditto.
6960 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6963 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6965 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6966 (s390_mangle_fundamental_type): New.
6967 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6970 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6971 (alpha_mangle_fundamental_type): New.
6972 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6975 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6977 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6979 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6980 (sparc_mangle_fundamental_type): New.
6982 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6984 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6985 (s390x-*-linux*): Likewise.
6986 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6987 * config/s390/t-linux: New file.
6989 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6991 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6992 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6994 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6996 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6997 (ANTIC_SAFE_LOADS): New macro.
6998 (find_or_generate_expression): Add prototype.
6999 (set_contains_value): Allow null set for sake of not always having
7000 to allocate ANTIC_SAFE_LOADS.
7001 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7002 Allow COMPONENT_REF too.
7003 (valid_in_set): Allow COMPONENT_REF.
7004 Check ANTIC_SAFE_LOADS too.
7005 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7006 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7008 (can_PRE_operation): Add COMPONENT_REF.
7009 (create_component_ref_by_pieces): New function.
7010 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7011 (insert_aux): Move AGGREGATE_TYPE_P check here.
7012 (compute_avail): Set bb local stmt uids.
7013 (pass_pre): Use TODO_update_ssa_only_virtuals.
7015 2006-02-06 Ben Elliston <bje@au.ibm.com>
7017 * configure.ac: Unconditionally disable decimal float by default.
7018 * configure: Regenerate.
7020 2006-02-06 Ben Elliston <bje@au.ibm.com>
7022 * read-rtl.c (read_name): Terminate reading on EOF.
7024 2006-02-06 Ben Elliston <bje@au.ibm.com>
7026 * dfp.c (decimal_real_arithmetic): Change second argument type
7027 from int to enum tree_code. Do not always return true, but now
7028 return result of any call to decimal_do helper functions.
7029 * dfp.h (decimal_real_arithmetic): Update prototype.
7031 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7033 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7035 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7038 * tree-cfg.c (cleanup_dead_labels): Also don't remove
7041 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7043 * tree-vrp.c (cfg_loops): Removed.
7044 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
7045 Use current_loops instead of cfg_loops. Pass flags to
7046 loop_optimizer_init.
7047 * cfgloopmanip.c (fix_loop_structure): Update only available
7049 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
7050 loop_optimizer_init.
7051 * modulo-sched.c (build_loops_structure): Removed.
7052 (sms_schedule): Use loop_optimizer_init.
7053 * loop-init.c (loop_optimizer_init): Use flags to determine
7054 which properties of loops to prepare.
7055 (rtl_loop_init): Pass flags to loop_optimizer_init.
7056 * tree-ssa-sink.c (execute_sink_code): Ditto.
7057 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7058 * tree-ssa-pre.c (init_pre): Ditto.
7059 * cfgloop.h (LOOPS_NORMAL): New.
7060 (loop_optimizer_init): Declaration changed.
7062 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7064 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7065 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7067 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7069 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7071 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7072 * pa/t-pa64: Delete quadlib.c rule.
7073 * pa/x-ada: Revert last change.
7074 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7076 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7078 PR rtl-optimization/26087
7079 * rtlanal.c (canonicalize_condition): Do not cross basic block
7082 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7085 * config/ia64/ia64.c: Include debug.h.
7086 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7087 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7088 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7089 (process_epilogue, process_set, process_for_unwind_directive):
7090 Output unwind info only if requested. Add CFA info if requested.
7091 Add new arguments as needed. Adjust callers.
7092 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7094 (DWARF2_FRAME_INFO): Define to zero.
7095 * config/ia64/unwind-ia64.c: Remove code that compensated for
7096 the CFA offset error fixed above.
7097 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7098 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7099 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7100 -funwind-tables and -fexceptions to enable frame info.
7101 (dwarf2out_frame_init): Define initial CFA even if
7102 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7103 DWARF2_UNWIND_INFO is nonzero, not just defined.
7104 (dwarf2out_frame_finish): Output non-EH call frame info only
7105 if DWARF2_FRAME_INFO is nonzero.
7106 (convert_cfa_to_loc_list,
7107 compute_frame_pointer_to_cfa_displacement): Define even if
7108 unwind info is not supported.
7109 (gen_subprogram_die): Use the above unconditionally. Remove
7110 legacy alternate code.
7111 * toplev.c (compile_file): Compile in call to
7112 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7113 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7115 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7116 Jakub Jelinek <jakub@redhat.com>
7118 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7119 IBM extended float format long double as "g" on powerpc*-linux.
7121 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7124 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7125 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7127 2006-02-03 Jason Merrill <jason@redhat.com>
7130 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7133 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7134 on the return slot if it's an NRV.
7136 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
7138 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
7139 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
7140 rewrite_use): Do not handle USE_OUTER.
7141 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7142 add_iv_outer_candidates, may_replace_final_value,
7143 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7144 (find_interesting_uses_op): Functionality of
7145 find_interesting_uses_outer_or_nonlin moved here.
7146 (find_interesting_uses_outside): Use find_interesting_uses_op.
7148 2006-02-03 Alan Modra <amodra@bigpond.net.au>
7151 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
7153 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7154 Ulrich Weigand <uweigand@de.ibm.com>
7157 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
7158 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
7159 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
7160 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
7162 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
7163 (s390_rtx_costs): Use the new fields to calculate rtx costs.
7164 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
7165 Define secondary reloads for TFmode moves.
7166 (constant_modes): Add TFmode.
7167 (NR_C_MODES): Set to 8.
7168 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
7170 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
7171 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
7172 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
7173 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
7174 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
7175 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
7176 (FPR mode macro): Add TFmode.
7177 (DSF mode macro): New.
7178 (<de>, <dee> mode attributes): Removed.
7179 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
7180 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
7181 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
7182 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
7183 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
7184 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7185 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7186 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7187 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7188 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7189 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7190 "*negabs<mode>2", "sqrt<mode>2"):
7191 Changed <de> to <xde>. R constraint replaced by <Rf>.
7192 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7194 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7195 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7196 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7198 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7199 "extenddftf2", "extendsftf2"): New expanders.
7200 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7201 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7202 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7203 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7205 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7206 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7207 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7208 __floatditf): Add a GCC_4.1.0 symbol version tag.
7209 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7212 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7215 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7216 Use targetm.binds_local_p instead of TREE_PUBLIC.
7218 2006-02-02 Roger Sayle <roger@eyesopen.com>
7220 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7221 on INTEGER_TYPEs to indicate that it denotes a character type.
7222 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7223 signed_char_type_node, unsigned_char_type_node and char_type_node.
7224 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7225 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7226 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7228 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7229 Daniel Berlin <dberlin@dberlin.org>
7231 * tree-tailcall.c (arg_needs_copy_p): New function.
7232 (eliminate_tail_call): Use arg_needs_copy_p.
7233 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7234 (add_virtual_phis): New function.
7236 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7238 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7239 #ignore instead of #scratch for %g7 .register directive.
7241 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7243 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7246 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7248 * flow.c (calculate_global_regs_live): Assert that there aren't any
7251 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7253 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7255 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7256 bsi_after_labels iterator.
7257 * tree-if-conv.c (find_phi_replacement_condition,
7258 replace_phi_with_cond_modify_expr): Likewise.
7259 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7260 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7262 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7264 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7266 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7269 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7270 array after growing it.
7272 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7275 * fold-const.c (fold_checksum_tree): Change type of buf.
7277 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7279 * reload.c (push_secondary_reload): Initialize t_icode.
7281 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7283 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7284 -msoft-float -mlong-double-128 only issue a warning, but don't
7285 swich to DFmode long double.
7287 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7289 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7290 has a constant equivalent, iterate over equivalents for arg0,
7291 calling simplify_relational_operation and if there's a result
7292 cheaper than X, apply fold_rtx and return the result.
7294 2006-02-01 Jan Hubicka <jh@suse.cz>
7296 * opts.c (no_unit_at_a_time_default): New global variable.
7297 (decode_options): Use it.
7298 * opts.h (no_unit_at_a_time_default): Declare.
7300 2006-02-01 Paul Brook <paul@codesourcery.com>
7302 * function.c (assign_parm_setup_reg): Use function argument promotion
7304 * expr.c (expand_expr_real_1): Use function argument promotion rules
7307 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7309 * gcc.c (process_command): Change j to 'unsigned int'.
7311 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7314 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7315 Use the corrected index for the character
7316 out of the string constant.
7318 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7320 * mode-switching.c (optimize_mode_switching): Fix size
7321 allocated for bb_info[n_entities].
7323 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7325 * gcc.c (main): Correct type that is allocated for
7326 explicit_link_files.
7328 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7330 * config/s390/s390.c (init_alignment_context): Set
7331 ALIAS_SET_MEMORY_BARRIER on the MEM.
7332 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7334 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7337 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7339 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7342 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7344 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7345 * regrename.c: Ditto.
7346 * tree-ssa-loop-im.c: Ditto.
7347 * tree-dump.c: Ditto.
7348 * tree-complex.c: Ditto.
7349 * genrecog.c: Ditto.
7350 * tree-ssa-threadupdate.c: Ditto.
7352 * java/class.c: Ditto.
7353 * java/jcf-parse.c: Ditto.
7354 * java/resource.c: Ditto.
7355 * java/except.c: Ditto.
7356 * java/jvspec.c: Ditto.
7357 * java/jcf-write.c: Ditto.
7358 * java/jcf-path.c: Ditto.
7359 * java/gjavah.c: Ditto.
7360 * java/zextract.c: Ditto.
7361 * java/jcf-io.c: Ditto.
7362 * java/jcf.h: Ditto.
7363 * java/buffer.c: Ditto.
7364 * java/lang.c: Ditto.
7365 * java/parse-scan.y: Ditto.
7366 * java/lex.c: Ditto.
7367 * java/lex.h: Ditto.
7368 * cfgloopmanip.c: Ditto.
7369 * postreload-gcse.c: Ditto.
7370 * tree-ssa-loop-manip.c: Ditto.
7371 * postreload.c: Ditto.
7372 * tree-ssa-loop-ch.c: Ditto.
7376 * diagnostic.c: Ditto.
7378 * genoutput.c: Ditto.
7380 * cfghooks.c: Ditto.
7381 * cfgloopanal.c: Ditto.
7382 * objc/objc-act.c: Ditto.
7384 * genextract.c: Ditto.
7385 * genautomata.c: Ditto.
7386 * pretty-print.c: Ditto.
7388 * cgraphunit.c: Ditto.
7391 * haifa-sched.c: Ditto.
7392 * dominance.c: Ditto.
7394 * tree-ssa-loop-ivopts.c: Ditto.
7396 * mode-switching.c: Ditto.
7397 * modulo-sched.c: Ditto.
7399 * ipa-pure-const.c: Ditto.
7401 * fix-header.c: Ditto.
7403 * tree-stdarg.c: Ditto.
7404 * ipa-utils.c: Ditto.
7405 * loop-init.c: Ditto.
7406 * ipa-inline.c: Ditto.
7409 * alloc-pool.c: Ditto.
7410 * dwarf2out.c: Ditto.
7412 * genattrtab.c: Ditto.
7413 * tree-ssa-loop-ivcanon.c: Ditto.
7417 * fortran/gfortranspec.c: Ditto.
7419 * local-alloc.c: Ditto.
7420 * langhooks.c: Ditto.
7421 * function.c: Ditto.
7422 * tree-vectorizer.c: Ditto.
7424 * ipa-type-escape.c: Ditto.
7426 * tree-if-conv.c: Ditto.
7429 * tree-data-ref.c: Ditto.
7430 * loop-unroll.c: Ditto.
7431 * treelang/treetree.c: Ditto.
7434 * ggc-common.c: Ditto.
7436 * coverage.c: Ditto.
7438 * tree-cfgcleanup.c: Ditto.
7439 * tree-ssa-pre.c: Ditto.
7440 * cfgcleanup.c: Ditto.
7441 * loop-invariant.c: Ditto.
7443 * ipa-prop.c: Ditto.
7444 * print-tree.c: Ditto.
7445 * conflict.c: Ditto.
7446 * ggc-page.c: Ditto.
7447 * sched-deps.c: Ditto.
7448 * regclass.c: Ditto.
7449 * tree-object-size.c: Ditto.
7451 * bb-reorder.c: Ditto.
7452 * resource.c: Ditto.
7453 * var-tracking.c: Ditto.
7455 * df-problems.c: Ditto.
7456 * reg-stack.c: Ditto.
7459 * sched-rgn.c: Ditto.
7460 * tree-ssa-structalias.c: Ditto.
7461 * tree-ssa-reassoc.c: Ditto.
7462 * config/darwin-c.c: Ditto.
7463 * config/darwin.c: Ditto.
7464 * config/arm/arm.c: Ditto.
7466 * collect2.c: Ditto.
7469 2006-01-31 Nicolas Pitre <nico@cam.org>
7471 * arm.md (smaxsi3): Make aware of smax_m1.
7474 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7476 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7478 2006-01-31 Richard Guenther <rguenther@suse.de>
7480 * doc/invoke.texi (-msselibm): Document.
7481 * target.h (expand_library_builtin): New target hook.
7482 * builtins.c (expand_builtin): Use expand_library_builtin.
7483 (default_expand_library_builtin): New function.
7484 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7485 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7486 (link_gcc_math_spec): Declare.
7487 (static_specs): Add link_gcc_math_spec.
7488 * expr.h (default_expand_library_builtin): Declare.
7489 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7490 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7491 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7492 * config/i386/i386.opt (msselibm): New target option.
7493 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7494 (ix86_init_sse_abi_builtins): New function.
7495 (ix86_expand_library_builtin): Likewise.
7496 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7497 (override_options): Handle error conditions wrt -msselibm.
7498 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7499 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7500 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7503 2006-01-31 Richard Guenther <rguenther@suse.de>
7504 Paolo Bonzini <bonzini@gnu.org>
7506 * doc/install.texi (--disable-libgcc-math): Document.
7508 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7510 * expr.h (expand_normal): new inline function.
7511 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7513 * dwarf2out.c: use it.
7518 * config/sparc/sparc.c: use it.
7519 * config/i386/i386.c: use it.
7520 * config/rs6000/rs6000.c: use it.
7521 * config/arm/arm.c: use it.
7522 * config/mips/mips.c: use it.
7523 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7525 2006-01-30 Roger Sayle <roger@eyesopen.com>
7527 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7528 argv to the appropriate type.
7530 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7532 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7535 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7538 * config/s390/s390.c (struct machine_function): New flag
7539 decomposed_literal_pool_addresses_ok_p.
7540 (s390_reorg): Set it before final stage of literal pool transforms.
7541 (s390_decompose_address): Only accept displacements of the form
7542 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7544 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7546 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7547 the comparison routine return.
7549 2006-01-30 Michael Matz <matz@suse.de>
7551 * global.c (find_reg): Only evict for global regs.
7552 Take n_refs into account and dump more info.
7554 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7557 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7558 (pragma_trap, pragma_nosave_low_regs): Likewise.
7559 (current_function_anonymous_args): Likewise.
7560 (sh_deferred_function_attributes): New variable.
7561 (sh_deferred_function_attributes_tail): Likewise.
7562 (print_operand): For '@', look up trap_exit attribute.
7563 (calc_live_regs): Look up trapa_handler attribute. For trapa
7564 handlers, save/restore fpscr, but don't do any other
7565 interrupt-specific saves.
7566 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7567 Fix check for partially saved registers to check for SHmedia.
7568 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7569 (sh_output_function_epilogue): Don't clear any of the removed
7571 (sh_insert_attributes): Don't check pragma_interrupt.
7572 Insert deferred attributes. Check that interrupt attribute is
7573 present for other attributes that require its presence.
7574 (sh_attribute_table): Add new attributes trapa_handler and
7576 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7577 Don't check for pragma_interrupt. Don't store argument.
7578 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7579 (sh_deferred_function_attributes): Declare.
7580 (sh_deferred_function_attributes_tail): Likewise.
7581 * sh.md (sp_switch_1): Add operand. Change generator caller.
7582 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7583 (*return_i): Don't use when trap_exit attribute is in effect.
7584 (*return_trapa): New insn pattern.
7586 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7587 setting c_target_objs and cxx_target_objs.
7588 * t-sh: Add rule for sh-c.o.
7590 2006-01-30 Richard Guenther <rguenther@suse.de>
7593 * gimplify.c (gimplify_target_expr): Handle easy cases
7594 without creating a temporary.
7596 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7598 * vec.h (safe_grow): Remove duplicated line.
7600 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7603 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7604 (expand_omp): ... here.
7605 (expand_omp_parallel): Only remove barriers for combined
7606 parallel+workshare constructs.
7608 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7612 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7613 * tree.c (build_qualified_type): Chain the new type to the original
7614 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7615 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7616 (build_pointer_type_for_mode): Only return unqualified types.
7617 (build_reference_type_for_mode): Likewise.
7619 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7621 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7622 * Makefile.in (CXX_COMPAT_WARN): Define.
7623 * configure: Regenerate.
7625 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7628 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7631 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7633 * toplev.c: Fix thinko.
7635 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7636 Marcin Dalecki <martin@dalecki.de>
7638 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7639 (push_srcloc): Use XNEW.
7640 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7642 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7644 * df-core.c (df_set_blocks): Deleted all variable.
7646 2006-01-28 Ian Lance Taylor <ian@airs.com>
7648 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7649 cgraph_output_pending_asms.
7651 2006-01-28 Zack Weinberg <zackw@panix.com>
7653 * c.opt: Add -W(no-)overlength-strings.
7654 * doc/invoke.texi: Document it.
7655 * c-opts.c (c_common_handle_option): -pedantic implies
7656 -Woverlength-strings, if not explicitly disabled already.
7657 (c_common_post_options): -Woverlength-strings defaults to off, and
7658 is always off for C++.
7659 * c-common.c (fix_string_type): Issue warning about strings longer
7660 than is portable only if warn_overlength_strings. Rearrange code
7661 a little for clarity.
7662 * configure.in: Check for -Wno-overlength-strings as well before
7663 enabling -pedantic in stage 1.
7664 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7665 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7667 * genconditions.c (write_header, write_one_condition)
7668 (write_conditions, write_writer): Consolidate very long strings
7669 that were broken up to fit in C89 portable limit. Don't use
7670 printf when fputs will do.
7672 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7674 * combine.c (simplify_comparison <AND>): Check
7675 TRULY_NOOP_TRUNCATION before start using a subreg.
7677 * config/mips/mips.md (*branch_zero<mode>,
7678 *branch_zero<mode>_inverted, *branch_equality<mode>,
7679 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7680 Remove mode check from comparisons.
7682 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7684 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7686 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7688 * expmed.c (const_mult_add_overflow_p): Remove.
7689 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7691 * recog.c (validate_replace_rtx_subexp): Remove.
7692 * recog.h: Remove the prototype for
7693 validate_replace_rtx_subexp.
7695 * integrate.h: Remove the prototype for
7696 copy_decl_for_inlining.
7697 * rtl.h: Remove the prototype for mark_constant_function.
7698 * tree-vectorizer.h: Remove the prototype for
7699 vect_strip_conversion.
7701 * modulo-sched.c (create_partial_schedule,
7702 free_partial_schedule, reset_partial_schedule): Make them
7705 * hooks.c (hook_bool_rtx_int_false): Remove.
7706 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7708 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7710 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7711 and -mlong-double-128 are incompatible.
7712 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7713 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7714 (TARGET_LIBGCC2_CFLAGS): Define.
7715 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7716 (TARGET_LIBGCC2_CFLAGS): Same.
7717 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7719 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7722 * c-typeck.c (build_binary_op): Perform implicit casts of
7723 operands before shortening them.
7725 * cfgloopmanip.c (split_loop_bb): Remove.
7726 * cfgloop.h: Remove the prototype for split_loop_bb.
7728 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7729 * cfgloop.h: Remove the prototype for
7730 flow_loop_outside_edge_p.
7732 * emit-rtl.c (init_virtual_regs): Make it static.
7733 * function.h: Remove the prototype for init_virtual_regs.
7735 * recog.c (peephole2_optimize): Make it static.
7736 * recog.h: Remove the prototype for peephole2_optimize.
7738 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7740 * df-scan.c (df_record_entry_block_defs): Check if
7741 INCOMING_RETURN_ADDR_RTX is defined.
7743 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7744 Kenneth Zadeck <zadeck@naturalbridge.com>
7746 PR rtl-optimization/24762
7747 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7748 * targhooks.c (hook_void_bitmap): New hook prototype.
7749 * targhoohs.h (hook_void_bitmap): Ditto.
7750 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7751 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7752 * target.h (live_on_entry): New function pointer.
7753 * df-scan.c (df_all_hard_regs): Removed.
7754 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7755 (df_scan_free_internal): Added df->entry_block_defs.
7756 (df_scan_alloc): Ditto.
7757 (df_scan_dump): Ditto.
7758 (df_uses_record): Plumbed flag field properly thru calls.
7759 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7760 This part fixes PR24762.
7761 (df_bb_refs_record): Added code to make the frame and arg
7762 pointers live in EH blocks.
7763 (df_refs_record): Added call to df_record_entry_block_defs.
7764 (df_record_entry_block_defs): New function.
7765 * df-core.c: Added comments to describe new artifical defs.
7766 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7767 (entry_block_defs): New field in struct df.
7768 (df_all_hard_regs): Deleted.
7769 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7770 * df-problems.c (df_ru_bb_local_compute_process_def):
7771 Added code to handle artifical defs in the entry to a function.
7772 (df_ru_bb_local_compute): Ditto.
7773 (df_rd_bb_local_compute_process_def): Ditto.
7774 (df_rd_bb_local_compute): Ditto.
7775 (df_lr_bb_local_compute): Ditto.
7776 (df_ur_bb_local_compute): Ditto.
7777 (df_urec_bb_local_compute): Ditto.
7778 (df_chain_create_bb): Ditto.
7779 (df_ur_local_finalize): Removed entry.
7780 (df_urec_init): Ditto.
7781 (df_urec_local_finalize): Ditto.
7782 (df_ri_bb_compute): Added detection of last use of pseudos.
7783 * Makefile.in (df-scan.o): Updated dependencies.
7784 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7785 * config/mips/mips.c (mips_set_live_on_entry): Added.
7786 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7788 * dce.c (marked_insn_p): Added code to handle artifical defs.
7790 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7792 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7794 (_mm_cvtsi128_si64): Likewise.
7795 (_mm_cvtsd_si64): Likewise.
7796 (_mm_cvttsd_si64): Likewise.
7797 (_mm_cvtsi64_sd): Likewise.
7798 (_mm_cvtsi64_si128): Likewise.
7799 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7800 (_mm_cvtsi64_m64): Likewise.
7801 (_m_to_int64): Likewise.
7802 (_mm_cvtm64_si64): Likewise.
7803 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7804 (_mm_cvttss_si64): Likewise.
7805 (_mm_cvtsi64_ss): Likewise.
7806 (_mm_cvtss_f32): Likewise.
7808 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7810 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7811 for pragma redefine_extname.
7813 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7816 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7817 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7818 -mno-minimal-toc to previous content.
7819 (bispecs): Remove goal.
7820 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7821 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7822 compatibility aliases on powerpc-*-*gnu*.
7823 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7824 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7825 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7826 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7827 (ldblspecs): New goal.
7828 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7829 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7831 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7832 L_sf_to_tf or L_df_to_tf is defined.
7834 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7835 Alan Modra <amodra@bigpond.net.au>
7838 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7839 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7840 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7841 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7842 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7843 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7844 (rs6000_override_options): Initialize rs6000_ieeequad.
7845 Initialize TFmode format to ibm_extended_format if not
7847 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7849 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7850 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7851 (function_arg_advance): IBM long double passed in two FPRs, not
7853 (function_arg): IBM long double passed in FPRs.
7854 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7855 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7856 Only multireg GPR aligned.
7857 (rs6000_init_libfuncs): Enable IBM long double functions if not
7859 (rs6000_generate_compare): Use IBM long double compare if not
7861 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7862 (TARGET_IEEEQUAD): Define.
7863 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7864 not TARGET_IEEEQUAD.
7865 * config/rs6000/rs6000.md: Enable TFmode patterns if
7867 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7868 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7869 and -mlong-double-128 are incompatible.
7870 * doc/invoke.texi (-mabi): Collect options together. Add
7871 ibmlongdouble and ieeelongdouble.
7873 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7875 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7877 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7878 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7879 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7880 * rtl.h (rtunion_def): Remove rt_ptr.
7882 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7883 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7884 * config/i386/winnt.c (i386_pe_mark_dllexport)
7885 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7887 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7889 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7891 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7895 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7896 pthread_key_delete. From John David Anglin. gthrw-ify
7897 pthread_getunique_np only if it it's not a macro. Delete
7899 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7900 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7901 __gthread_objc_condition_signal, __gthread_key_delete): Add
7902 "__attribute__ ((__unused__))" to unused arguments.
7903 (__gthread_recursive_mutex_init_function): Add missing return.
7904 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7905 gthr-posix95.h: Use macro-based approach for name redirection
7906 on targets missing weakref.
7908 2006-01-26 Zack Weinberg <zackw@panix.com>
7910 * genconditions.c (write_header): In generated code, #ifdef out
7911 all includes and fake declarations, except includes of bconfig.h
7912 and system.h, unless GCC_VERSION >= 3001. Do not include
7913 gensupport.h in any case.
7914 (write_conditions): Generate a definition of struct c_test. Add
7915 a comment to the generated #endif.
7916 (write_one_condition): Escape backslashes in string too.
7917 (write_writer): Generated code must escape backslashes and quote
7918 marks (but not newlines) in the strings it writes.
7919 * Makefile.in (build/gencondmd.o): Update dependencies.
7921 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7924 * Makefile.in (insn-automata.o): Add header file dependencies.
7925 * genautomata.c: Add includes.
7927 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7930 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7932 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7934 * configure.ac: Expect target tools paths to be passed from the toplevel
7935 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7937 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7939 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7942 * c.opt (Wpointer-sign): Init to -1.
7943 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7944 OPT_pedantic, to 0 otherwise.
7945 * doc/invoke.texi: Update.
7947 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7949 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7950 constants provided by 80387 instructions in the destination mode.
7952 2006-01-26 Richard Guenther <rguenther@suse.de>
7953 Andrew Pinski <pinskia@physics.uc.edu>
7956 partial PR tree-opt/17064
7957 * tree-ssa-structalias.c (intra_create_variable_infos):
7958 Create heap variables for incoming parameters if
7959 flag_argument_noalias > 1.
7960 (find_what_p_points_to): Look through default defs of
7963 2006-01-26 Jeff Law <law@redhat.com>
7966 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7967 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7968 within the VR_RANGE, use the VR_RANGE as the result, not the
7970 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7971 bounds for the type.
7973 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7975 * tree-ssa-alias.c (maybe_create_global_var): Change
7976 subvar walking to an assertion that we don't have subvar'd variables.
7978 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7981 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7982 Use a new variable, inner. PARM_DECLs are always non-weak.
7984 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7986 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7989 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7991 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7993 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7995 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7996 (smax_insn, smin_insn, smax_0, smin_0): New.
7998 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8001 * config/cris/cris.c (cris_order_for_addsi3): New function.
8002 * config/cris/cris-protos.h: Prototype it.
8003 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8004 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8005 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8006 (split for "op.S1 [rx=rx+i],ry (swapped)")
8007 (split for "op(s|u).S1 [rx=rx+i],ry")
8008 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8009 Apply cris_order_for_addsi3 when generating addsi3 insns.
8011 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8013 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8014 (TREE_BLOCK): Add call to EXPR_CHECK.
8016 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8019 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8020 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8021 (dump_omp_clauses): ... here.
8022 (dump_generic_node): Handle OMP_CLAUSE.
8023 * tree.c (omp_clause_num_ops): New.
8024 (omp_clause_code_name): New.
8025 (tree_code_size): Handle OMP_CLAUSE.
8026 (tree_size): Likewise.
8027 (make_node): Document handling of OMP_CLAUSE.
8028 (tree_node_structure): Handle OMP_CLAUSE.
8029 (omp_clause_check_failed): New.
8030 (omp_clause_range_check_failed): New.
8031 (omp_clause_operand_check_failed): New.
8032 (build_omp_clause): New.
8033 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8034 * tree.h (enum omp_clause_code): Declare.
8035 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8036 (OMP_CLAUSE_RANGE_CHECK): Define.
8037 (OMP_CLAUSE_ELT_CHECK): Define.
8038 (omp_clause_check_failed): Declare.
8039 (omp_clause_operand_check_failed): Declare.
8040 (omp_clause_range_check_failed): Declare.
8041 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
8042 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
8043 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
8044 (OMP_CLAUSE_LASTPRIVATE): Likewise.
8045 (OMP_CLAUSE_IF_EXPR): Likewise.
8046 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
8047 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
8048 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
8049 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
8050 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8051 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8052 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8053 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8054 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8055 (OMP_CLAUSE_CODE): Define.
8056 (OMP_CLAUSE_SET_CODE): Define.
8057 (OMP_CLAUSE_CODE): Define.
8058 (OMP_CLAUSE_OPERAND): Define.
8059 (struct tree_omp_clause): Declare.
8060 (union tree_node): Add field 'omp_clause'.
8061 * treestruct.def (TS_OMP_CLAUSE): Define.
8062 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8063 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8064 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8065 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8066 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8067 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8068 (OMP_CLAUSE): Define.
8069 * print-tree.c (print_node): Handle OMP_CLAUSE.
8070 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8071 * c-typeck.c: Likewise.
8072 * gimplify.c: Likewise.
8073 * c-omp.c: Likewise.
8074 * tree-nested.c: Likewise.
8075 * tree-inline.c: Likewise.
8076 * c-parser.c: Likewise.
8077 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8080 2006-01-25 Roger Sayle <roger@eyesopen.com>
8082 PR rtl-optimization/25703
8083 * combine.c (try_combine): Handle zero_extract and strict_low_part
8084 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8086 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8088 * global.c: Fix comment typos.
8090 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8093 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8094 Use output_addr_const instead of assemble_name.
8096 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8098 * Makefile.in (sched-vis.o): Update dependencies.
8099 * haifa-sched.c (sched_finish): Clear current_sched_info.
8100 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8101 (dump_flow_info): Call it.
8102 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8104 * basic-block.h (dump_bb_info): Declare.
8105 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8106 option, and apply options only for dump files whose TDF_RTL,
8107 TDF_TREE, or TDF_IPA bits match.
8108 * rtl.h: Declare new functions exported from sched-vis.c.
8109 * sched-vis.c: Enable also if scheduling is not used.
8110 (print_value): Print the mode of registers if not inside scheduling.
8111 (print_insn): Make it work outside the scheduler. Beautify the output
8113 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8115 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8117 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8118 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8119 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8120 depending on the value of CONSTANT_POOL_ADDRESS_P.
8121 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8123 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8124 rather than SYMBOL_REF_DECL.
8125 (rtx_constant_pool): Remove const_rtx_sym_htab.
8126 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8127 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8128 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8129 Remove handling of const_rtx_sym_htab.
8130 (find_pool_constant): Delete.
8131 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8132 rather than find_pool_constant.
8133 (get_pool_constant_for_function): Delete.
8134 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8136 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
8137 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
8138 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
8139 (SYMBOL_REF_CONSTANT): New macro.
8140 (get_pool_constant_for_function): Delete.
8141 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8142 rather than SYMBOL_REF_DECL.
8143 (i386_pe_mark_dllimport): Likewise.
8144 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8145 rather than SYMBOL_REF_DECL.
8146 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8147 (machopic_indirect_call_target): Likewise.
8149 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
8151 * flow.c (delete_noop_moves): Add missing EOL to dump message.
8153 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8155 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
8157 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
8159 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
8161 2006-01-24 David Daney <ddaney@avtrex.com>
8164 * configure.ac (enable_tls): New enable option.
8165 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
8166 * configure: Regenerate.
8167 * doc/install.texi (--enable-tls): Document new option.
8168 (--disable-tls): Ditto.
8170 2006-01-24 Richard Henderson <rth@redehat.com>
8172 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
8173 * alias.c (true_dependence): Respect it.
8174 (canon_true_dependence, write_dependence_p): Likewise.
8175 * builtins.c (get_builtin_sync_mem): Set it.
8177 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
8179 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
8182 2006-01-24 DJ Delorie <dj@redhat.com>
8184 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8185 for storing constants in single-bit bitfields.
8187 2006-01-25 Ben Elliston <bje@au.ibm.com>
8189 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8191 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8194 * tree-ssa-pre.c (phi_translate): Return NULL
8195 for AGGREGATE_TYPE's.
8197 2006-01-24 Zack Weinberg <zackw@panix.com>
8199 * genautomata.c (process_state_for_insn_equiv_partition):
8200 Use xcalloc for insn_arcs_array.
8201 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8202 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8204 2006-01-24 Richard Henderson <rth@redhat.com>
8206 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8209 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8211 PR rtl-optimization/25890
8212 PR rtl-optimization/25905
8213 * combine.c (expand_compound_operation, expand_field_assignment):
8214 Fail if the bitfield's final position is out of bounds.
8216 2006-01-24 Ian Lance Taylor <ian@airs.com>
8219 * cgraphunit.c (cgraph_output_in_order): Don't clear
8220 cgraph_asm_nodes until after asm strings have been output.
8222 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8224 * fix-header.c (read_scan_file): Add new parameter imultilib when
8225 calling register_include_chains.
8227 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8229 * omp-low.c: Update documentation.
8231 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8232 Daniel Berlin <dberlin@dberlin.org>
8236 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8237 return from the function.
8239 2006-01-22 Zack Weinberg <zackw@panix.com>
8241 * rtl.def (match_code): Add second argument.
8242 * genpreds.c (write_extract_subexp): New function.
8243 (write_match_code): Add path argument. Use write_extract_subexp.
8244 (write_predicate_expr): Pass path to write_match_code.
8245 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8246 not perform a mode test.
8247 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8248 a subexpression does not constrain the top-level code set.
8249 * read-rtl.c (read_rtx_variadic): New function.
8250 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8251 * doc/md.texi: Document new notation.
8252 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8253 (cmpsi_operand): ... here, using new notation.
8255 2006-01-22 Zack Weinberg <zackw@panix.com>
8257 * varray.c: Remove GENERATOR_FILE #ifdefs.
8259 2006-01-22 Zack Weinberg <zackw@panix.com>
8261 * genautomata.c (output_reserved_units_table): Emit nothing if
8262 description->query_units_num is zero. Remove extra blank line.
8263 (output_cpu_unit_reservation_p): Short circuit
8264 if description->query_units_num is zero.
8266 2006-01-22 Zack Weinberg <zackw@panix.com>
8268 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8269 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8270 nor any of the random handful of variables that used to be necessary
8271 when this program was linked with rtlanal.o. Prune set of forward
8272 function declarations.
8273 (struct attr_desc): Remove static_p field.
8274 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8275 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8276 (attr_string): Do not read the character one past the length of
8278 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8279 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8280 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8281 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8282 (make_automaton_attrs): New.
8283 (main): Do not call into genautomata. Call local gen_bypass
8284 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8285 Remove special case for insn_alts.
8286 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8287 varray.h (leftover from previous change). Prune set of forward
8288 function declarations. Remove state_alts fields from all
8289 structures. Remove state_alts_table from struct automaton.
8290 Make everything except main static. Do not maintain num_dfa_decls.
8291 Do not maintain state_alts fields of various structures.
8292 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8293 (add_arc): Remove state_alts argument. All callers updated.
8294 (output_reserved_units_table): Emit #ifdef here...
8295 (output_tables): ...not here. Don't generate state_alts tables.
8296 (expand_automata): Don't generate attributes.
8297 (write_automata): Don't generate state_alts functions.
8298 (main): New function.
8299 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8300 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8301 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8302 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8303 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8304 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8305 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8306 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8308 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8309 * genattrtab.h: Delete file.
8310 * Makefile.in (OBJS-common): Add insn-automata.o.
8311 (insn-automata.o): New rule.
8312 (simple_generated_c): Add insn-automata.c.
8313 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8314 (genprogmd): Add automata.
8315 (build/genattrtab): Needs no extra objects nor libraries.
8316 (build/genautomata): Needs build/vec.o and -lm.
8318 2006-01-22 Zack Weinberg <zackw@panix.com>
8320 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8321 (output_dfa_max_issue_rate, locked_states_num): Delete.
8322 (struct automaton): Add locked_states field.
8323 (output_dead_lock_vect): Save number of locked states in
8324 automaton->locked_states. If it is zero, don't print anything.
8325 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8326 (output_internal_dead_lock_func): Only test the dead_lock_vect
8327 for automata that have locked states.
8328 (output_statistics): Always print the number of locked states for
8329 each automaton. Calculate total number of locked states here.
8330 (write_automata): Don't call output_dfa_max_issue_rate.
8331 * genattrtab.c: Define length_unit_log as a const variable.
8332 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8333 max_insn_queue_index const.
8334 * final.c (length_unit_log): Declare const.
8335 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8337 2006-01-22 Zack Weinberg <zackw@panix.com>
8339 * genautomata.c: Include vec.h, not varray.h.
8340 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8341 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8342 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8343 VEC_* macros operating on appropriately typed vectors, or to
8344 malloced arrays when the size is known in advance. Const-ify
8345 many char* variables and function arguments. No functional changes.
8346 * Makefile.in (build/varray.o): Delete rule.
8347 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8348 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8350 2006-01-22 Zack Weinberg <zackw@panix.com>
8352 * gensupport.c: Define get_insn_name and record_insn_name here.
8353 (read_md_rtx): Call record_insn_name as appropriate.
8354 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8355 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8356 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8358 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8359 (BUILD_VARRAY): Delete.
8360 (genprognormal): Rename genprogmd. Fold in all programs from
8361 genprognoprint; also attrtab.
8362 (build/genattrtab): Just mention genautomata.o and varray.o.
8363 Reorganize a bit, add comments to make the categories clearer.
8365 2006-01-22 Zack Weinberg <zackw@panix.com>
8367 * genconditions.c (condition_table, add_condition): Delete.
8368 (write_conditions): Don't emit n_insn_conditions nor
8369 insn_elision_unavailable. Issue the gcc version #ifdef here,
8370 inside the table, with no #else clause ...
8371 (write_header): ...not here.
8372 (write_writer): New function.
8373 (main): Don't initialize condition_table. Use add_c_test.
8375 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8376 files on the command line.
8377 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8378 Return -1 if there is no entry in the table, don't abort.
8379 (add_c_test, traverse_c_tests): New functions.
8380 * gensupport.h (insn_elision_unavailable, insn_conditions)
8381 (n_insn_conditions): Delete declarations.
8382 (add_c_test, traverse_c_tests): Declare.
8383 * read-rtl.c: Include gensupport.h.
8384 (read_conditions): New function.
8385 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8386 (read_rtx_1): If we get EOF when we were looking for an initial
8387 open paren, return 0. Call read_conditions when appropriate.
8388 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8389 dummy-conditions.o. Eliminate references to insn-conditions.o,
8390 or change them to build/gencondmd.o, as appropriate. Remove
8391 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8392 from $(simple_generated_c). For all files remaining in those
8393 two lists, add insn-conditions.md to the generator command line.
8394 Give insn-constants.h/s-constants their own rules. Add rules
8395 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8396 (build/read-rtl.o): Depend on gensupport.h.
8397 (genprognormal): Include preds.
8398 (genprogearly): Rename genprognoprint; only difference is now that
8399 they don't link with $(BUILD_PRINT).
8400 * dummy-conditions.c: Delete.
8402 2006-01-22 Zack Weinberg <zackw@panix.com>
8404 * genextract.c: Don't include insn-config.h. Do include vec.h.
8405 Declare vectors of int, char, and locstr.
8406 (locstr): New typedef.
8407 (struct extraction): Make all array fields into bare pointers.
8408 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8409 (insn_code_number): Delete.
8410 (accum_extract): New struct.
8411 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8412 (gen_insn): Take insn_code_number as an argument. Use an
8413 accum_extract structure instead of loading data directly into
8414 a struct extraction, and having to know how big it might get.
8415 (walk_rtx): Operate entirely on an accum_extract structure.
8416 (print_path): Avoid unnecessary use of printf.
8417 (print_header): New function, split out of main. Distinguish
8418 more carefully between an unrecognizable insn and an insn that
8419 has the code number of a define_expand.
8420 (main): Pass insn_code_number to gen_insn. Call print_header
8421 only after parsing. Avoid unnecessary use of printf.
8422 * Makefile.in (build/vec.o): New rule.
8423 (build/genextract): Depend on build/vec.o.
8424 (build/genextract.o): Don't depend on insn-config.h.
8426 2006-01-22 Zack Weinberg <zackw@panix.com>
8428 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8429 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8430 practical. Eliminate per-generator-program link rules.
8432 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8435 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8436 with a call expr to ...
8437 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8439 2006-01-23 Richard Guenther <rguenther@suse.de>
8441 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8442 before make_edge with conditional EDGE_TRUE_VALUE.
8444 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8445 Jan Hubicka <jh@suse.cz>
8446 Richard Guenther <rguenther@suse.de>
8448 PR rtl-optimization/25654
8449 * cfgexpand.c (aggregate_contains_union_type): New function.
8450 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8451 for structure variables that contain a union type.
8453 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8455 * gengtype.c (new_structure): Return the structure.
8456 (create_option): Add an extra "next" argument.
8457 (create_field): New function.
8458 (adjust_field_rtx_def): Use create_option and create_field.
8459 Remove a now-unnecessary call to find_structure.
8460 (adjust_field_tree_def): Likewise.
8461 (note_yacc_type): Remove an unnecessary call to find_structure.
8462 * gengtype.h (new_structure): Return the structure.
8463 (create_option): Add an extra argument.
8464 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8465 (option): Adjust calls to create_option.
8467 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8469 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8471 2006-01-22 Paul Brook <paul@codesourcery.com>
8472 Peter Barada <peter@the-baradas.com>
8474 * config/m68k/m68k.md: Add Coldfire FPU support.
8475 Define FP mode macro and associated attributes.
8476 Use it for float mode patterns.
8477 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8478 (LIBCALL_VALUE): Use m68k_libcall_value.
8479 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8480 (m68k_function_value): Ditto.
8481 (emit_move_sequence): Ditto.
8482 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8483 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8484 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8485 (MULTILIB_EXCEPTIONS): Ditto.
8486 * config/m68k/m68k.opt: Add mcfv4e.
8487 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8488 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8489 (m68k_output_function_prologue): Save ColdFire FPU registers.
8490 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8491 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8492 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8493 ColdFire FPU registers.
8494 (m68k_libcall_value, m68k_function_value): New functions.
8495 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8496 (LIBCALL_VALUE): Use m68k_libcall_value.
8497 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8498 (MASK_COLDFIRE): Add MASK_CFV4E.
8499 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8500 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8501 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8502 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8503 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8504 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8505 * doc/invoke.tex: Document -mcfv4e on m68k.
8507 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8509 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8512 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8515 * c-opts.c (c_common_handle_option): Don't include
8516 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8517 * doc/invoke.texi (C++ Dialect Options): Document that
8518 -Wnon-virtual-dtor is no longer included in -Wall.
8520 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8522 * gcov.c (print_version), gcov-dump.c (print_version),
8523 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8526 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8528 * df-scan.c (problem_SCAN): Added NULL reset function.
8529 (df_scan_reset_blocks): Added code to call reset block function
8530 (df_bb_refs_delete) Fixed comment.
8531 (df_insn_refs_delete): Made tolerant of deleting non existent info
8532 for dataflow problems that need to be reset.
8533 * df-core.c (df_set_blocks): Ditto.
8534 * df.h (struct df_problem): Added reset_fun.
8535 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8536 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8537 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8538 functions to clear out all references to def-use or use-def chains.
8540 2006-01-21 Ben Elliston <bje@au.ibm.com>
8542 * varasm.c (assemble_real): Initialise data array.
8544 2006-01-20 Paul Brook <paul@codesourcery.com>
8546 Merge from csl-arm-branch.
8547 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8548 * config/arm/arm.md (movdi): Force operands[1] to a register
8549 if we have a non-register source.
8550 (*arm_movdi, *movdf_soft_insn): Require that one of the
8551 operands be a register.
8552 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8553 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8555 2006-01-20 DJ Delorie <dj@redhat.com>
8557 * varasm.c (initialize_constant_valid_p): Allow pointers
8558 initialized from integer constants of lesser precision.
8559 (output_constant): Allow non-int-sized pointer modes to be
8560 initialized from integer constants.
8562 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8565 * cppdefault.h (struct default_include): Add multilib flag.
8566 * cppdefault.c (cpp_include_defaults): Set it.
8567 * c.opt (-imultilib): New option.
8568 * c-opts.c (imultilib): New.
8569 (c_common_handle_option): Handle -imultilib.
8570 (c_common_post_options): Likewise.
8571 * c-incpath.c (add_standard_paths, register_include_chains):
8573 * c-incpath.h (register_include_chains): Add extra parameter.
8574 * gcc.c (do_spec_1): Generate -imultilib option.
8575 (The Specs Language): Update %I description.
8576 (process_command): Update copyright notice.
8577 * doc/cppopts.texi (-imultilib): Document.
8578 * doc/invoke.texi (-imultilib): Include in option summary.
8579 (%I): Update specs documentation.
8581 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8583 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8585 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8587 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8590 2006-01-20 Richard Guenther <rguenther@suse.de>
8591 Steven Bosscher <stevenb.gcc@gmail.com>
8593 PR rtl-optimization/24626
8594 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8595 EDGE_TRUE_VALUE if in RTL mode.
8598 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8599 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8601 2006-01-20 Dirk Mueller <dmueller@suse.com>
8604 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8605 instead of a special NOP marker.
8606 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8607 NOP marker handling.
8608 * c-common.h (empty_body_warning): Add forward declaration.
8609 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8610 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8612 2006-01-20 Paul Brook <paul@codesourcery.com>
8614 * Makefile.in (lang_checks): Keep going if mkdir fails.
8616 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8618 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8619 be able to clean out basic block when not necessary.
8620 (df_scan_free): Fixed to properly delete information if df is
8621 unused before calling df_finish.
8622 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8623 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8625 (df_bb_refs_delete): New function.
8626 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8627 * df-core.c (df_set_blocks): Added code to properly clean out
8628 unused blocks if they are not part of the blocks to consider.
8629 Added additional null check.
8630 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8631 be able to clean out basic block when not necessary
8632 * df.h (df_free_bb_function): Ditto.
8633 (df_bb_refs_delete): New function.
8634 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8635 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8636 basic block parameter to be able to clean out basic block when not
8638 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8639 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8640 Fixed to properly delete information if df is unused before
8643 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8645 PR rtl-optimization/25799
8646 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8647 Corrected confluence operator to remove bits from op2 before oring
8648 with op1 rather than removing bits from op1.
8649 (df_ru_transfer_function): Corrected test on wrong bitmap which
8650 caused infinite loop. Both of these problems were introduced in
8651 the dataflow rewrite.
8653 2006-01-19 DJ Delorie <dj@redhat.com>
8655 * reload1.c (find_reload_regs): Note the details of reload
8656 failures in the dump file.
8657 (spill_failure): Likewise.
8659 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8661 * loop-iv.c: Include df.h and hashtab.h.
8662 (enum iv_grd_result): New enum.
8663 (DF_REF_IV, DF_REF_IV_SET): New macros.
8664 (struct biv_entry): New.
8665 (df, bivs): New global variables.
8666 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8667 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8669 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8670 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8671 analyzed_for_bivness_p, record_biv): New functions.
8672 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8673 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8674 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8676 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8678 (iv_number_of_iterations): Use new interface to iv analysis.
8679 * loop-unroll.c: Do not include varray.h.
8680 (analyze_iv_to_split_insn): Use new interface to iv
8682 * loop-unswitch.c (may_unswitch_on): Ditto.
8683 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8685 (df_bb_modify): Realloc tables to the new index.
8686 (df_find_use): New function.
8687 * df.h (df_find_use): Declare.
8688 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8690 * cfgloop.h (struct rtx_iv): Remove analysed field.
8691 (iv_get_reaching_def): Removed.
8692 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8693 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8694 (loop-iv.o): Add df.h and hashtab.h dependency.
8695 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8697 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8700 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8702 (__floatundisf, __floatundidf): Likewise.
8703 * libgcc2.h (IS_IBM_EXTENDED): Define.
8705 2006-01-19 DJ Delorie <dj@redhat.com>
8707 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8709 2006-01-19 Paul Brook <paul@codesourcery.com>
8711 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8712 as nothrow when unwinding tables are disabled.
8714 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8717 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8718 of bit-field" when in system header.
8720 2006-01-19 DJ Delorie <dj@redhat.com>
8722 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8723 the 16 bit shift limit of the m16c.
8725 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8728 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8729 * config/i386/i386.c (output_set_got): Output the label if we have one
8730 for the TARGET_DEEP_BRANCH_PREDICTION case.
8732 2006-01-19 Jan Hubicka <jh@suse.cz>
8733 H.J. Lu <hongjiu.lu@intel.com>
8734 Evandro Menezes <evandro.menezes@amd.com>
8736 * invoke.texi (generic): Document
8738 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8739 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8740 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8741 (x86_use_incdec, x86_pad_returns): New variables
8742 (TARGET_CPU_DEFAULT_generic): New constant
8743 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8744 (enum processor_type): Add generic32 and generic64.
8745 * i386.md (cpu attribute): Add generic32/generic64
8746 (movhi splitter): Behave sanely when both partial_reg_dependency and
8747 partial_reg_stall are set.
8748 (K8 splitters): Enable for generic as well.
8749 * predicates.md (incdec_operand): Use TARGET_INCDEC
8750 (aligned_operand): Avoid memory mismatch stalls.
8751 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8752 * ppro.md: Enable for generic32
8753 * i386.c (generic64_cost, generic32_cost): New.
8754 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8755 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8756 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8757 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8758 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8759 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8760 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8761 x86_accumulate_outgoing_args, x86_prologue_using_move,
8762 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8763 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8765 (x86_use_incdec, x86_pad_returns): New.
8766 (override_options): Add generic32 and generic64, translate "generic"
8767 to generic32/generic64 and "i686" to "generic32", refuse
8768 "generic32"/"generic64" as arch target.
8769 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8770 (ix86_reorg): Honor PAD_RETURNS.
8772 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8774 * tree-pretty-print.c (dump_generic_node): Handle
8775 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8776 * cgraph.c (cgraph_expand_queue): Rename from
8777 cgraph_analyze_queue. Update all users.
8778 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8779 cgraph_expand_queue.
8780 (cgraph_expand_all_functions): Likewise.
8781 (cgraph_finalize_pending_functions): Remove. Update callers.
8783 * tree.h (OMP_DIRECTIVE_P): Define.
8784 (OMP_PARALLEL_FN): Define.
8785 (OMP_PARALLEL_DATA_ARG): Define.
8786 (OMP_SECTIONS_SECTIONS): Define.
8787 * tree-pass.h (pass_expand_omp): Declare.
8788 * omp-low.c (struct omp_region): Declare.
8789 (struct omp_context): Remove fields 'parallel_type',
8790 'parallel_start_ix' and 'parallel_start_additional_args'.
8792 (struct omp_for_data): Rename from struct expand_omp_for_data.
8793 (omp_regions): New static variable.
8794 (root_omp_region): New static variable.
8795 (find_omp_clause): Make static.
8796 (is_in_combined_parallel_ctx): Remove.
8797 (is_combined_parallel): New.
8798 (extract_omp_for_data): Move earlier in the file.
8799 (workshare_safe_to_combine_p): New.
8800 (get_ws_args_for): New.
8801 (determine_parallel_type): Move earlier in the file.
8802 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8804 (omp_copy_decl): Likewise.
8805 (create_omp_child_function): Likewise.
8806 (lookup_omp_region): New.
8807 (dump_omp_region): New.
8808 (debug_omp_region): New.
8809 (debug_all_omp_regions): New.
8810 (new_omp_region): New.
8811 (scan_omp_parallel): If parallel_nesting_level > 1, the
8812 directive is nested within another parallel directive.
8813 Set OMP_PARALLEL_FN.
8814 (scan_omp_for): Do not try to handle combined parallel+for
8816 Remove FIXME comment.
8817 (scan_omp_nested): Remove.
8818 (scan_omp_1): Do not call scan_omp_nested when
8819 parallel_nesting_level is > 1.
8820 Do not change the DECL_CONTEXT of local variables found.
8821 (lookup_decl_in_outer_ctx): New.
8822 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8823 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8824 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8825 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8826 If CTX is nested, lookup VAR in the outer context when
8827 building copy assignment.
8828 (lower_send_clauses): Rename from expand_send_clauses.
8829 If CTX is nested, lookup VAR in the outer context when
8830 building copy assignments.
8831 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8832 If CTX is nested, lookup VAR in the outer context when
8833 building copy assignments.
8834 (expand_parallel_call): Rename from build_parallel_call.
8835 Handle combined parallel+workshare cases.
8836 Re-implement to emit code into the CFG.
8838 (expand_omp_parallel): Re-implement to emit code into the CFG.
8839 Call move_sese_region_to_fn to outline the sub-graph
8840 containing the parallel region.
8841 (expand_omp_for_1): Remove.
8842 (expand_omp_for_generic): Re-implement to emit code into the
8844 (expand_omp_for_static_nochunk): Likewise.
8845 (expand_omp_for_static_chunk): Likewise.
8846 (expand_omp_for): Likewise.
8847 (expand_omp_sections): Likewise.
8848 (remove_exit_barriers): New.
8849 (expand_omp_synch): New.
8851 (build_omp_regions_1): New.
8852 (build_omp_regions): New.
8853 (execute_expand_omp): New.
8854 (gate_expand_omp): New.
8855 (pass_expand_omp): Define.
8856 (lower_omp_sections): Rename from expand_omp_sections.
8857 Set OMP_SECTIONS_SECTIONS.
8858 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8859 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8860 (lower_omp_single): Rename from expand_omp_simple.
8861 (lower_omp_master): Rename from expand_omp_master.
8862 (lower_omp_ordered): Rename from expand_omp_ordered.
8863 (lower_omp_critical): Rename from expand_omp_critical.
8864 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8865 (lower_omp_for): Re-implement.
8866 (lower_omp_parallel): Re-implement.
8867 (lower_regimplify): Rename from expand_regimplify.
8868 (lower_omp_1): Rename from expand_omp_1.
8869 If there are syntax errors in the program, replace every
8870 OpenMP directive with NOP.
8871 Call lower_omp_* instead of expand_omp_*.
8872 (lower_omp): Rename from expand_omp.
8874 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8875 * tree-gimple.h (enum omp_parallel_type): Remove.
8876 (gimple_boolify): Declare extern.
8877 (find_omp_clause, determine_parallel_type): Remove.
8879 * gimple-low.c (lower_omp_directive): New.
8880 (lower_stmt): Call it.
8881 (record_vars_into): Move from ...
8882 (record_vars): ... here.
8883 Call record_vars_into with current_function_decl.
8885 * gimplify.c (struct gimplify_ctx): Remove fields
8886 combined_pre_p and combined_ctxp. Update users.
8887 (get_formal_tmp_var): Add documentation.
8888 (gimple_boolify): Make extern.
8889 (gimplify_expr_in_ctx): Remove. Update callers.
8890 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8891 will always be a BIND_EXPR.
8892 (gimplify_expr): Handle OMP_RETURN_EXPR.
8893 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8894 (OMP_PARALLEL): Add 3 operands.
8895 (OMP_SECTIONS): Add 1 operand.
8896 (OMP_RETURN_EXPR): Define.
8898 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8899 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8900 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8901 creating a circular free list.
8902 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8904 * tree-flow.h (move_sese_region_to_fn): Declare.
8905 (record_vars_into): Declare.
8906 * tree-cfg.c (make_omp_sections_edges): New.
8907 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8908 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8909 OMP_SECTIONS and OMP_SECTION.
8910 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8911 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8912 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8913 (gather_blocks_in_sese_region): New.
8914 (struct move_stmt_d): Declare.
8916 (move_block_to_fn): New.
8917 (move_sese_region_to_fn): New.
8919 * passes.c (init_optimization_passes): Schedule
8920 pass_expand_omp after pass_init_datastructures.
8922 * tree-ssa-operands.c (get_expr_operands): Handle
8923 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8924 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8926 2006-01-19 Jeff Law <law@redhat.com>
8928 * tree-vrp.c (extract_range_from_assert): Refine the result range
8929 if the variable referenced by the ASSERT_EXPR has a range and
8930 either the tentative result range or the previous range is a
8933 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8935 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8937 2006-01-19 Jan Hubicka <jh@suse.cz>
8939 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8941 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8943 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8944 (expand_compound_operation, expand_field_assignment): Fail if the
8945 bit lengths of an extract operation are out of range.
8946 (make_extraction): Compute wanted_inner_mode based on the position
8947 and length of the extraction. Make it extraction_mode for non-constant
8948 positions, and do not modify offset in that case. When generating a
8949 new MEM, use a mode that can hold the extraction while keeping correct
8950 alignment. Remove code that supported MEMs wrapped by USEs.
8951 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8953 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8955 * config/s390/s390.md ("Y", "y"): New mode attribute.
8956 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8957 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8958 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8959 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8960 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8961 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8962 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8963 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8964 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8965 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8966 "addsi3", "subsi3"): Insn patterns removed.
8967 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8968 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8969 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8970 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8971 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8972 "*sub<mode>3_cconly2"): New insn patterns.
8973 ("addsi3", "subsi3"): New expanders.
8975 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8977 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8978 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8979 existing STMT_VINFO_VECTYPE if available.
8980 (vect_mark_relevant): Add special handling for stmts that are
8981 marked as STMT_VINFO_IN_PATTERN_P.
8982 (vect_analyze_loop): Call vect_pattern_recog.
8983 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8984 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8986 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8987 (vect_recog_func_ptr): New function-pointer type.
8988 * tree-vect-patterns.c: New file.
8989 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8990 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8991 (vect_pattern_recog_1): New functions.
8992 (vect_pattern_recog_funcs): New array of function pointers.
8994 * tree-vectorizer.h (ternary_op): New enum value.
8995 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8996 declaration. Revised documentation. Removed redundant dump prints.
8997 Removed redundant argument. Added support for reduction patterns.
8998 (vectorizable_reduction): Added support for reduction patterns.
8999 (vect_transform_stmt): Added support for patterns.
9001 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9002 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9003 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9004 (expand_widen_pattern_expr): New function.
9005 (init_optabs): Initialize new optabs udot_prod_optab,
9007 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9008 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9009 (expand_widen_pattern_expr): New function declaration.
9010 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9012 * tree-inline.c (estimate_num_insns_1): Added cases for new
9013 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9014 * tree-pretty-print.c (dump_generic_node): Likewise.
9015 (op_prio): Likewise.
9016 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9017 * tree-ssa-operands.c (get_expr_operands): Added case for
9019 * tree-vect-patterns.c (widened_name_p): New function.
9020 (vect_recog_dot_prod_pattern): Added function implementation.
9021 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9022 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9023 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9024 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9026 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9027 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9028 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9029 (init_optabs): Initialize new optabs widen_ssum_optab,
9031 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9032 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9033 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9034 use instead of type of def.
9035 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9036 function implementation.
9037 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9038 widen_ssumv8hi): New.
9040 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
9043 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9046 * c-decl.c (add_flexible_array_elts_to_size): New function.
9047 (finish_decl): Use it.
9049 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9051 * diagnostic.h: Include options.h.
9052 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9053 dependancies for diagnostic.h.
9054 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9056 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9058 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9059 (ssa_ro_call_cache_valid): Ditto.
9060 * tree-ssa-alias.c (sort_tags_by_id): New function.
9061 (init_transitive_clobber_worklist): Ditto.
9062 (add_to_worklist): Ditto.
9063 (mark_aliases_call_clobbered): Ditto.
9064 (compute_tag_properties): Ditto.
9065 (set_initial_properties): Ditto.
9066 (compute_call_clobbered): Ditto.
9067 (compute_may_aliases): Call compute_call_clobbered and grouping.
9068 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9069 (compute_flow_insensitive_aliasing): Grouping now happens in our
9071 (setup_pointers_and_addressables): Remove clobbering related code.
9072 (add_may_alias): Ditto.
9073 (replace_may_alias): Ditto.
9074 (get_nmt_for): Ditto.
9075 (create_global_var):
9076 (is_escape_site): Return an escape_type enumeration.
9077 * tree-flow-inline.h (is_call_clobbered): Global var does not
9078 imply call clobbered.
9079 (mark_call_clobbered): Take a reason for marking this. Remove
9080 marking of globalness, and cache invalidation.
9081 (clear_call_clobbered): Remove cache invalidation code.
9082 * tree-dfa.c (dump_variable): If details is on, dump the reason
9084 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9086 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9087 (struct var_ann_d): Ditto.
9088 (enum escape_type): New.
9089 (mark_call_clobbered): Adjust prototype.
9090 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9091 are never call clobbered.
9092 Record reasons for escaping.
9093 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9094 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9095 (ssa_ro_call_cache_valid): Ditto.
9096 (clobbered_v_may_defs): Ditto.
9097 (clobbered_vuses): Ditto.
9098 (ro_call_vuses): Ditto.
9099 (clobber_stats): New.
9100 (init_ssa_operands): Zero out clobber stats.
9101 (fini_ssa_operands): Print out clobber stats.
9102 (get_call_expr_operands): Pass callee fndecl to
9104 (add_call_clobber_ops): Remove use of cache.
9105 Add use of PURE_CONST information.
9106 (add_call_read_ops): Remove use of cache.
9107 Add use of static not_read information.
9109 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9111 Introduce TLS descriptors for i386 and x86_64.
9112 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9113 (TARGET_ANY_GNU_TLS): New macro.
9114 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9115 (struct machine_function): Add tls_descriptor_call_expanded_p.
9116 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9117 (ix86_current_function_calls_tls_descriptor): Likewise.
9118 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9119 (override_options): Introduce gnu2 tls dialect.
9120 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9122 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9124 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9125 (ix86_init_machine_status): Initialize new field.
9126 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9127 (ix86_tls_module_base): New.
9128 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9129 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9130 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9131 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9132 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9133 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9134 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9135 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9136 * config/i386/predicates.md (tls_modbase_operand): New.
9137 (tp_or_register_operand): New.
9139 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
9141 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9142 (look_for_address_of): Ditto.
9143 (ipa_init): Walk the function decls.
9144 (static_execute): Don't set readonly on FUNCTION_DECL's.
9146 2006-01-18 Roger Sayle <roger@eyesopen.com>
9148 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
9149 for shifts where the source and destination registers are different.
9151 2006-01-18 Paul Brook <paul@codesourcery.com>
9153 Merge from csl-arm-branch.
9154 2005-03-14 Julian Brown <julian@codesourcery.com>
9155 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
9156 (aeabi_llsl): Likewise.
9157 (ashrdi3): Likewise.
9158 (aeabi_lasr): Likewise.
9159 (lshrdi3): Likewise.
9160 (aeabi_llsr): Likewise.
9161 2005-03-10 Julian Brown <julian@codesourcery.com>
9162 * config.gcc: Disable shared libgcc for SymbianOS.
9163 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
9165 2006-01-18 DJ Delorie <dj@redhat.com>
9167 * c-pragma.c (handle_pragma_diagnostic): New.
9168 (init_pragma): Register it.
9169 * doc/extend.texi: Document it.
9171 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
9172 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
9173 (diagnostic_context): Add classify_diagnostic[].
9174 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
9175 as errors if they're overridden to DK_WARNING.
9176 (diagnostic_initialize): Initialize classify_diagnostic[].
9177 (diagnostic_set_kind_override): New.
9178 (diagnostic_report_diagnostic): Check for kind changes.
9179 * opts.c (common_handle_option): Take lang_mask. Update callers.
9181 * common.opt (Werror=): New.
9182 * doc/invoke.texi: Document -Werror=*
9184 2006-01-18 Jeff Law <law@redhat.com>
9186 * tree-vrp.c (test_for_singularity): Correct test for new
9187 min limit. Use operand_equal_p rather than pointer equality
9188 for testing if new min/max values are equal.
9190 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9191 using range information until after propagation and folding.
9193 2006-01-18 Richard Henderson <rth@redhat.com>
9194 Aldy Hernandez <aldyh@redhat.com>
9195 Jakub Jelinek <jakub@redhat.com>
9196 Diego Novillo <dnovillo@redhat.com>
9198 * omp-low.c: New file.
9199 * c-omp.c: New file.
9201 2006-01-18 Richard Henderson <rth@redhat.com>
9202 Jakub Jelinek <jakub@redhat.com>
9203 Diego Novillo <dnovillo@redhat.com>
9205 * doc/invoke.texi: Document -fopenmp.
9206 * tree-dump.h (debug_function): Declare.
9207 * hooks.c (hook_bool_tree_bool_false): New function.
9208 (hook_tree_tree_null): Remove.
9209 (hook_tree_tree_tree_null): New.
9210 * hooks.h: Update to match.
9211 * tree-pretty-print.c (debug_tree_chain): New.
9212 (print_generic_expr): Handle TDF_CHAIN.
9213 (dump_generic_node): Handle BLOCK.
9214 Do not abort with incomplete SWITCH_EXPRs.
9215 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9216 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9217 print space after directive name.
9218 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9219 Handle OMP_MASTER and OMP_ORDERED.
9220 Handle printing of OMP_BODY just in one place, goto
9221 dump_omp_body in the rest of OMP_* nodes that have
9223 Don't handle clause nodes here. Update omp statements to
9224 use dump_omp_clauses.
9225 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9226 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9227 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9228 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9229 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9230 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9231 Adjust output for GOMP_PARALLEL.
9232 (dump_omp_clauses): New.
9233 (print_declaration): Dump DECL_VALUE_EXPR.
9234 (op_symbol_1): Split out of op_symbol.
9235 (dumping_stmts): Remove. Update all users.
9236 * cgraph.c (cgraph_analyze_queue): New.
9237 (cgraph_add_new_function): New.
9238 * cgraph.h (cgraph_analyze_queue): Declare.
9239 (cgraph_add_new_function): Declare.
9240 (cgraph_lower_function): Remove.
9241 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9242 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9243 and TYPE_P nodes in its default clause.
9244 (empty_body_p): New.
9245 (tree_range_check_failed): New.
9247 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9248 OMP_CLAUSE_REDUCTION_MERGE,
9249 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9250 OMP_CLAUSE_PRIVATE_DEBUG,
9251 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9252 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9253 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9254 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9255 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9256 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9257 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9258 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9259 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9260 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9261 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9262 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9263 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9264 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9265 (TREE_RANGE_CHECK): New.
9266 (empty_body_p): Declare.
9267 (enum omp_clause_default_kind): New.
9268 (build_string_literal): Declare.
9269 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9270 (build5_stat, build5): Declare.
9271 * tree-pass.h (TDF_CHAIN): Define.
9272 * tree-pass.h (PROP_gimple_lomp): Define.
9273 (pass_lower_omp): Declare.
9274 * diagnostic.h (debug_tree_chain): Declare.
9275 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9277 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9278 * builtins.c (build_string_literal): Make extern.
9279 * gcc.c (include_spec_function): New.
9280 (static_spec_functions): Add it.
9281 (main): Move load of libgomp.spec ...
9282 (LINK_COMMAND_SPEC): ... here.
9283 (link_gomp_spec): New.
9284 (static_specs): Include it.
9285 (LINK_COMMAND_SPEC): Add link_gomp.
9286 (GOMP_SELF_SPECS): New.
9287 (driver_self_specs): Include it.
9288 (switch_matches): Don't mark inline.
9289 (main): Load libgomp.spec.
9290 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9291 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9292 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9293 * tree-gimple.h (enum omp_parallel): Declare.
9294 (determine_parallel_type): Declare.
9295 (omp_firstprivatize_variable): Declare.
9296 (omp_reduction_init): Declare.
9297 (diagnose_omp_structured_block_errors): Declare.
9298 (struct walk_stmt_info): Add want_return_expr.
9299 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9300 (find_omp_clause): Declare.
9301 (insert_field_into_struct): Declare.
9302 (struct walk_stmt_info): Move from tree-nested.c
9303 (walk_stmts): Declare.
9304 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9306 * cgraphunit.c (cgraph_lower_function): Make static.
9307 (cgraph_finalize_pending_functions): New.
9308 (cgraph_finalize_function): Call it.
9309 (cgraph_finalize_compilation_unit): Likewise.
9310 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9311 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9312 (BT_FN_UINT_UINT): New.
9313 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9314 DEF_FUNCTION_TYPE_VAR_4): Document.
9315 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9316 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9317 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9318 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9319 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9320 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9321 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9322 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9323 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9324 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9325 into separate files.
9326 (DEF_GOMP_BUILTIN): New.
9327 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9328 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9329 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9330 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9331 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9332 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9333 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9334 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9335 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9336 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9337 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9338 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9339 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9340 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9341 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9342 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9343 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9344 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9345 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9346 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9347 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9348 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9349 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9350 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9351 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9352 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9353 * sync-builtins.def: New file, moved from builtins.def.
9354 * omp-builtins.def: New file, moved from builtins.def.
9355 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9356 * gimple-low.c (lower_function_body): Clear data.
9357 (lower_stmt): Do not handle COMPOUND_EXPR.
9358 Remove call to print_node_brief.
9359 * c-tree.h (c_finish_omp_clauses): New prototype.
9360 (C_DECL_THREADPRIVATE_P): Define.
9361 (lookup_name_no_remap, c_omp_remap_private): Remove
9362 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9363 (check_for_loop_decls): Update decl.
9364 (lookup_name_no_remap, c_omp_remap_private): Declare.
9365 (build_indirect_ref, build_modify_expr, pushdecl,
9366 pushdecl_top_level): Move to c-common.h.
9367 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9368 before the switch, but just in the 2 places that need it.
9369 * c-decl.c (diagnose_mismatched_decls): Do not check for
9370 mismatched thread-local attributes when OLDDECL is marked
9371 threadprivate and NEWDECL has no thread-local attributes.
9372 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9373 (c_gimple_diagnostics_recursively): Rename from
9374 c_warn_unused_result_recursively. Invoke
9375 diagnose_omp_structured_block_errors.
9376 (check_for_loop_decls): Return a singular decl found.
9377 * langhooks.c (lhd_omp_predetermined_sharing): Return
9378 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9379 (lhd_omp_firstprivatize_type_sizes): New.
9380 (lhd_omp_assignment): New.
9381 (lhd_omp_predetermined_sharing): New.
9382 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9383 (struct lang_hooks_for_types): Add
9384 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9385 omp_predetermined_sharing, omp_disregard_value_expr,
9386 omp_private_debug_clause, omp_clause_default_ctor,
9387 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9388 (c_finish_omp_clauses): New.
9389 (c_finish_bc_stmt): Diagnose break within omp for.
9390 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9391 (build_unary_op): Return error_mark after reporting
9393 (build_modify_expr): Likewise.
9394 * gimplify.c: Include optabs.h and pointer-set.h.
9395 (enum gimplify_omp_var_data): Declare.
9396 (struct gimplify_omp_ctx): Declare.
9397 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9399 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9400 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9401 (splay_tree_compare_decl_uid): New.
9402 (new_omp_context): New.
9403 (delete_omp_context): New.
9404 (gimple_add_tmp_var): Call omp_add_variable.
9405 (gimplify_bind_expr): Likewise.
9406 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9407 true, disregard DECL_VALUE_EXPR on the decl if any.
9408 (gimplify_expr_in_ctx): New.
9409 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9410 omp_add_variable, omp_notice_variable, omp_is_private
9411 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9412 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9413 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9414 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9415 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9416 gimplify_omp_atomic): New.
9417 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9418 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9419 OMP_CRITICAL and OMP_ATOMIC.
9420 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9421 * c-pragma.h (enum pragma_kind): Add
9422 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9423 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9424 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9425 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9426 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9427 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9428 PRAGMA_OMP_THREADPRIVATE.
9429 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9430 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9431 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9432 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9433 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9434 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9435 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9436 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9437 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9438 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9439 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9440 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9441 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9443 (struct nesting_info): Add field_map,
9444 suppress_expansion, debug_var_chain.
9445 (create_nesting_tree): Initialize them.
9446 (lookup_field_for_decl): Use field_map.
9447 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9448 (convert_local_omp_clauses): New.
9449 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9450 (walk_body): Split out of walk_function.
9451 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9452 (convert_nonlocal_reference): Handle omp statements.
9453 (convert_local_reference): Likewise.
9454 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9455 (unnest_nesting_tree): New.
9456 (lower_nested_functions): Call it.
9457 (insert_field_into_struct): Make extern.
9458 (struct walk_stmt_info): Move to tree-gimple.h.
9459 (walk_stmts): Make extern.
9460 * omp-builtins.def: New file.
9461 * tree-iterator.c (expr_only): Clarify comment.
9462 * c-common.h (pushdecl_top_level, pushdecl,
9463 build_modify_expr, build_indirect_ref,
9464 c_finish_omp_master, c_finish_omp_critical,
9465 c_finish_omp_ordered, c_finish_omp_barrier,
9466 c_finish_omp_atomic, c_finish_omp_flush,
9467 c_finish_omp_for, c_split_parallel_clauses,
9468 omp_clause_default_kind, c_omp_sharing_predetermined,
9469 c_omp_remap_decl): Declare.
9470 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9471 (OBJS-common): Add omp-low.o.
9472 (c-omp.o, omp-low.o): Add.
9473 (gimplify.o): Add dependency on $(OPTABS_H).
9474 (GTFILES): Add omp-low.c.
9475 (gt-stringpool.h): Add.
9476 * tree-cfg.c (set_bb_for_stmt): Do not update the
9477 block-to-labels map if we are currently expanding to RTL.
9478 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9480 Handle IDENTIFIER_NODE.
9481 (tree_verify_flow_info): Do not ICE when emitting error
9482 messages about invalid labels.
9483 (dump_function_to_file): Reset CFUN before emitting the body
9485 (debug_function): New.
9486 * passes.c (init_optimization_passes): Schedule
9488 * langhooks-def.h (lhd_omp_predetermined_sharing,
9489 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9491 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9492 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9493 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9494 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9495 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9496 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9497 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9498 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9499 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9500 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9501 (LANG_HOOK_DECLS): Use them.
9503 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9504 Richard Henderson <rth@redhat.com>
9505 Jakub Jelinek <jakub@redhat.com>
9506 Diego Novillo <dnovillo@redhat.com>
9508 * c-parser.c (pragma_omp_clause): Define.
9509 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9510 (c_parser_compound_statement): Likewise.
9511 (c_parser_statement): Likewise.
9512 (c_parser_pragma): Handle omp pragmas.
9513 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9514 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9515 (c_parser_omp_clause_name, check_no_duplicate_clause,
9516 c_parser_omp_variable_list,
9517 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9518 c_parser_omp_clause_copyprivate,
9519 c_parser_omp_clause_default,
9520 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9521 c_parser_omp_clause_lastprivate,
9522 c_parser_omp_clause_nowait,
9523 c_parser_omp_clause_num_threads,
9524 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9525 c_parser_omp_clause_reduction,
9526 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9527 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9528 c_parser_omp_atomic, c_parser_omp_barrier,
9529 c_parser_omp_critical, c_parser_omp_flush,
9530 c_parser_omp_for_loop, c_parser_omp_for,
9531 c_parser_omp_master, c_parser_omp_ordered,
9532 c_parser_omp_sections_scope, c_parser_omp_sections,
9533 c_parser_omp_parallel, c_parser_omp_single,
9534 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9535 * c-pragma.c (init_pragma): Do omp pragma registration here.
9536 * c.opt (fopenmp): New flag.
9538 2006-01-18 Eric Christopher <echristo@apple.com>
9540 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9541 * config/darwin.h (GOMP_SELF_SPECS): Define.
9543 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9545 * rtl.h: Remove the prototype for reg_alloc.
9547 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9550 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9551 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9552 sjlj and dwarf2 exception handling.
9553 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9554 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9555 * pa/pa.c (function_value): Treat complex and vector types as
9557 (function_arg): Likewise. Only pass scalar floats in the floating
9558 point argument registers.
9559 * pa/t-slibgcc-dwarf-ver: New file.
9560 * pa/t-slibgcc-sjlj-ver: New file.
9561 * pa/t-slibgcc-elf-ver: Delete file.
9563 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9565 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9566 unlikely_test_section_p test.
9568 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9570 * mode-switching.c (optimize_mode_switching): Make it static.
9571 * basic-block.h: Remove the prototype for
9572 optimize_mode_switching.
9574 * modulo-sched.c (sms_schedule): Make it static.
9575 * rtl.h: Remove the prototype for sms_schedule.
9577 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9578 * rtl.h: Remove the prototype for gcse_after_reload_main.
9580 * reg-stack.c (reg_to_stack): Make it static.
9581 * rtl.h: Remove the prototype for reg_to_stack.
9583 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9585 * rtl.h: Remove the prototypes for regrename_optimize and
9586 copyprop_hardreg_forward.
9588 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9590 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9591 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9592 Test against the appropriate null constant for the mode.
9593 If 'fixup_overlap' is true, swap the operands if they overlap.
9594 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9595 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9596 alpha_split_tmode_pair and adjust for above change.
9597 * config/alpha/alpha.md (movtf_internal): Adjust call to
9598 alpha_split_tfmode_pair and rely on it to swap the operands.
9599 (movti_internal): New insn and post-reload splitter.
9600 (movti): New expander.
9602 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9604 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9607 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9609 * rtlanal.c (global_reg_mentioned_p_1,
9610 global_reg_mentioned_p): Remove.
9611 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9613 * flow.c (initialize_uninitialized_subregs): Make it static.
9614 * rtl.h: Remove the prototype for
9615 initialize_uninitialized_subregs.
9617 * function.c (instantiate_virtual_regs): Make it static.
9618 * function.h: Remove the prototype for
9619 instantiate_virtual_regs.
9621 * regmove.c (regmove_optimize, combine_stack_adjustments):
9623 * rtl.h: Remove the prototypes for regmove_optimize and
9624 combine_stack_adjustments.
9626 2006-01-17 Roger Sayle <roger@eyesopen.com>
9628 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9629 (size_cost): Encode costs in bytes so that a reg-reg addition is
9630 equivalent to COSTS_N_INSNS(1).
9631 (override_options): Use the size_cost.branch_cost as the default
9632 ix86_branch_cost when optimizing for size.
9634 2006-01-18 Ben Elliston <bje@au.ibm.com>
9636 * Makefile.in (D32PBIT_FUNCS): New.
9637 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9638 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9639 D64PBIT_FUNCS and D128PBIT_FUNCS.
9640 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9641 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9643 (decnumber_dep): Define.
9644 * doc/libgcc.texi (Decimal float library routines): New node.
9645 * config/dfp-bit.h, config/dfp-bit.c: New files.
9647 2006-01-18 Ben Elliston <bje@au.ibm.com>
9649 * expr.c (emit_move_change_mode): Always adjust addresses, not
9650 just during reload. Copy replacements only during reload.
9651 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9652 emit_move_via_integer.
9654 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9656 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9657 instead of $(srcdir) and ${srcdir}.
9659 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9663 * arm.h (struct machine_function): Add pic_reg.
9664 * arm.c (arm_pic_register): Make unsigned.
9665 (arm_override_options): Only set arm_pic_register if
9666 TARGET_SINGLE_PIC_BASE.
9667 (use_return_insn): Only test for a pic register if it is fixed.
9668 (arm_compute_save_reg0_reg12_mask): Likewise.
9669 (thumb_compute_save_reg_mask): Likewise.
9670 (legitimate_pic_operand): Factor out some known invariants.
9671 (legitimize_pic_address): If we don't have a fixed pic register,
9672 then set up a pseudo in the function entry sequence. Handle the
9673 pic base being in a pseudo.
9674 (arm_load_pic_register): Handle the pic register being in a pseudo.
9675 (arm_expand_prologue): Only set up the pic register if it is fixed.
9676 (thumb_expand_prologue): Likewise.
9677 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9678 (pic_load_addr_based_insn): Likewise.
9679 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9682 2006-01-18 Ben Elliston <bje@au.ibm.com>
9684 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9685 decimal float modes for all floating point registers.
9687 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9688 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9690 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9693 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9694 even when the pointer is not NULL.
9696 2006-01-16 Ian Lance Taylor <ian@airs.com>
9698 * common.opt (ftoplevel-reorder): New option.
9699 * cgraph.c (cgraph_asm_nodes): New global variable.
9700 (cgraph_asm_last_node): New static variable.
9701 (cgraph_order): New global variable.
9702 (cgraph_create_node): Set new order field.
9703 (cgraph_varpool_node): Likewise.
9704 (decide_is_variable_needed): Return true if not
9705 flag_toplevel_reorder.
9706 (cgraph_add_asm_node): New function.
9707 * cgraph.h (struct cgraph_node): Add order field.
9708 (struct cgraph_varpool_node): Add order field.
9709 (struct cgraph_asm_node): Define.
9710 (cgraph_asm_nodes, cgraph_order): Declare.
9711 (cgraph_add_asm_node): Declare.
9712 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9714 (cgraph_varpool_assemble_pending_decls): Call it.
9715 (cgraph_output_pending_asms): New static function.
9716 (cgraph_finalize_compilation_unit): Call it.
9717 (struct cgraph_order_sort): Define.
9718 (cgraph_output_in_order): New static function.
9719 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9720 !flag_toplevel_reorder case.
9721 * c-parser.c: Include "cgraph.h".
9722 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9724 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9725 than -fno-unit-at-a-time.
9726 * doc/invoke.texi (Option Summary): Mention
9727 -fno-toplevel-reorder.
9728 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9729 -funit-at-a-time documentation.
9731 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9732 Kazu Hirata <kazu@codesourcery.com>
9734 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9736 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9738 * Makefile.in (FUNCTION_H): New. Use it instead of
9739 function.h throughout the file.
9740 * function.h: Include tree.h.
9742 2006-01-17 Ben Elliston <bje@au.ibm.com>
9744 * recog.c: Separate some functions with whitespace.
9746 2006-01-16 Richard Henderson <rth@redhat.com>
9748 Merge from gomp branch:
9749 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9750 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9751 and rename from struct inline_data. Rename callee* to dst*;
9752 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9753 transform_new_cfg, transform_return_to_modify, and
9754 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9756 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9757 (copy_decl_for_dup): Remove.
9758 * tree-inline.c (struct inline_data): Move to header.
9759 (insert_decl_map): Export.
9760 (remap_decl): Update for member name changes. Use copy_decl hook.
9761 Allow for replacement to be a non-decl. Remove dead code.
9762 (remap_type_1): Check for existing mapping.
9763 (remap_type): Export.
9764 (remap_decls): Update for member name changes.
9765 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9766 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9767 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9768 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9769 (tree_function_versioning, build_duplicate_type): Likewise.
9770 (copy_body_r): Likewise. Export.
9771 (copy_decl_for_dup): Split into ...
9772 (copy_decl_for_dup_finish, copy_decl_to_var,
9773 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9774 (replace_ref_tree, inlining_p): Remove.
9776 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9778 * ifcvt.c (if_convert): Make it static.
9779 * rtl.h: Remove the prototype for if_convert.
9781 * local-alloc.c (local_alloc): Make it static.
9782 * rtl.h: Remove the prototype for local_alloc.
9784 * loop.c (loop_optimize): Make it static.
9785 * cfgloop.h: Remove the prototype for loop_optimize.
9788 2006-01-16 DJ Delorie <dj@redhat.com>
9790 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9793 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9795 * pa.md: Disparage copies between general and floating-point registers
9796 in 32-bit move patterns.
9798 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9801 * Makefile.in (check-%): Depend on site.exp instead of
9802 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9805 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9807 * global.c (global_alloc): Make it static.
9808 * rtl.h: Remove the prototype for global_alloc.
9810 2006-01-16 Richard Guenther <rguenther@suse.de>
9812 * tree-ssa-alias.c (struct used_part): Add write_only field.
9813 (get_or_create_used_part_for): Initialize it to true.
9814 (create_overlap_variables_for): Don't create structure variables
9815 for structures that only are written to.
9816 (find_used_portions): Handle MODIFY_EXPR to track whether a
9817 structure is only written to.
9819 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9821 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9823 * basic-block.h: Remove the prototype for
9824 partition_hot_cold_basic_blocks.
9826 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9828 * cppspec.c (lang_specific_spec_functions): Remove.
9829 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9830 * gcc.h (lang_specific_spec_functions): Remove.
9831 * gccspec.c (lang_specific_spec_functions): Remove.
9833 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9835 * combine.c (record_value_for_reg): Invalidate registers
9837 (record_dead_and_set_regs_1): Likewise, by passing them to
9838 record_value_for_reg.
9839 (record_dead_and_set_regs): Invalidate stores made by a
9840 call. We do not combine across a call, but we still
9841 relied on equivalences.
9843 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9845 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9846 vrp_int_const_binop returning non-constant nodes.
9848 2006-01-16 Paul Brook <paul@codesourcery.com>
9850 * config/m68k/m68k.c (output_move_const_into_data_reg):
9851 Output correct mnemonic for mvz and mvs.
9853 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9855 * rtl-factoring.c: Add sequence abstraction algorithm.
9856 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9857 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9859 (block_has_preserve_label): New function.
9860 * common.opt: Register new pass.
9861 * Makefile.in: Ditto.
9863 * timevar.def: Ditto.
9864 * tree-pass.h: Ditto.
9865 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9866 * rtl.h (make_jump_insn_raw): Add forward decl.
9867 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9869 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9870 Roger Sayle <roger@eyesopen.com>
9872 * fold-const.c (fold_minmax): New static function.
9873 (fold_binary) <MIN_EXPR>: Call it.
9874 <MAX_EXPR>: Likewise.
9875 * stor-layout.c (place_field): Use DECL_SIZE consistently
9876 in the computation of the new record size.
9878 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9880 * cse.c (cse_condition_code_reg): Make it static.
9881 * rtl.h: Remove the prototype for cse_condition_code_reg.
9883 * combine.c (combine_instructions): Make it static.
9884 * rtl.h: Remove the prototype for combine_instructions.
9886 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9889 * tree.c (get_file_function_name_long): Concatenate the first global
9890 object name with a string derived from the input filename of the object
9893 2006-01-16 Ben Elliston <bje@au.ibm.com>
9895 * config/i386/winnt-stubs.c: Update FSF address.
9896 * config/xtensa/ieee754-df.S: Ditto.
9897 * config/xtensa/ieee754-sf.S: Ditto.
9899 2006-01-14 Ian Lance Taylor <ian@airs.com>
9901 * ifcvt.c (noce_init_if_info): New static function, broken out of
9902 noce_process_if_block.
9903 (noce_process_if_block): Call noce_init_if_info.
9904 (check_cond_move_block): New static function.
9905 (cond_move_process_if_block): New static function.
9906 (process_if_block): Call cond_move_process_if_block.
9908 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9910 * cselib.c (hash_table): Rename to cselib_hash_table.
9911 (cselib_clear_table, discard_useless_values,
9912 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9913 cselib_init, cselib_finish): Adjust uses of hash_table.
9915 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9917 PR tree-optimization/25485
9918 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9919 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9920 is known to be false and true, respectively.
9922 2006-01-14 Richard Guenther <rguenther@suse.de>
9924 PR tree-optimization/22548
9925 PR tree-optimization/22555
9926 PR tree-optimization/22501
9927 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9928 * params.def (salias-max-array-elements): New parameter.
9929 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9930 * doc/invoke.texi (salias-max-array-elements): Document.
9931 * tree-flow-inline.h (var_can_have_subvars): We also handle
9933 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9935 * tree-ssa-structalias.c (params.h): Include.
9936 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9937 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9938 (get_constraint_for): For ADDR_EXPR operating on something
9939 containing an ARRAY_REF, add all subvars to the solution.
9940 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9941 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9942 for creating MUST_DEFs.
9943 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9945 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9947 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9949 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9950 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9951 number_of_iterations_le): New functions.
9952 (number_of_iterations_special): Removed.
9953 (number_of_iterations_exit): Do not use number_of_iterations_special.
9954 * tree.c (unsigned_type_for): Always return integer type.
9956 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9957 Richard Guenther <rguenther@suse.de>
9959 PR rtl-optimization/24257
9960 * gcse.c (find_moveable_store): Only consider a store movable
9961 when the SET_SRC of the insn can be assigned to a register.
9963 2006-01-14 Ian Lance Taylor <ian@airs.com>
9965 * tree.c (tree_not_class_check_failed): New function.
9966 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9967 (tree_not_class_check_failed): Declare.
9969 2006-01-13 Ian Lance Taylor <ian@airs.com>
9971 * reload1.c (do_output_reload): Add assertion rejecting a
9974 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9976 * combine.c (struct reg_stat): Add new fields truncation_label and
9978 (record_value_for_reg): Reset truncated_to_mode.
9979 (record_truncated_value): New function.
9980 (check_promoted_subreg): Call it. Rename to check_conversions.
9981 (combine_instructions): Rename check_promoted_subreg to
9983 (reg_truncated_to_mode): New function.
9984 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9985 (gen_lowpart_or_truncate): New function.
9986 (force_to_mode): Use it instead of gen_lowpart.
9988 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9990 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9991 VAR is a tag, not its type tag.
9993 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9995 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9996 alternatives to match style of other entries.
9997 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9999 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10001 PR tree-optimization/25771
10002 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10005 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10008 * tree-inline.c (declare_return_variable): If the return variable
10009 was marked as a non gimple complex, set the return slot variable
10010 to be a non gimple comple variable.
10012 2006-01-13 Richard Guenther <rguenther@suse.de>
10014 * builtins.c (expand_builtin_sincos): New function.
10015 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10017 (expand_builtin): Expand sincos using expand_builtin_sincos.
10019 2006-01-12 DJ Delorie <dj@redhat.com>
10021 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10022 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10023 so that constant shifts can be split.
10024 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10025 (m32c_valid_pointer_mode): Make static.
10026 (shift_gen_func_for): New.
10027 (m32c_prepare_shift): Use it. Split large const shifts into
10029 * config/m32c/predicates.md (shiftcount_operand): Allow more
10031 (longshiftcount_operand): New.
10032 * doc/md.texi (Machine Constraints): Document In6.
10034 2006-01-13 Ben Elliston <bje@au.ibm.com>
10036 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10037 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
10040 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
10042 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
10043 to try to avoid clobbering pieces of structures when we know
10044 something about the whole structure.
10045 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
10047 2006-01-13 Ben Elliston <bje@au.ibm.com>
10049 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
10050 return in memory, as this is no limitation is no longer present.
10052 2006-01-12 DJ Delorie <dj@redhat.com>
10054 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10055 mova with fb, and for fb+0 -> An.
10057 * config/m32c/mov.md (peephole2): Fix enabling logic.
10059 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10060 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10061 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10062 FINI_ARRAY_SECTION_ASM_OP): Define.
10064 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10066 (m32c_legitimize_reload_address): New logic to reload FB to An.
10067 (m32c_output_reg_push): Add newline.
10068 (m32c_output_reg_pop): Likewise.
10070 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10072 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10074 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10076 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10078 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10080 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10083 2006-01-11 Ben Elliston <bje@au.ibm.com>
10085 * rtlanal.c (find_reg_note): Assert insn is not null.
10087 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10089 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10092 2006-01-11 Jeff Law <law@redhat.com>
10094 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10096 (mark_threaded_blocks, register_jump_thread): New functions.
10097 (thread_through_all_blocks): Remove unwanted argument. No
10098 longer rely on e->aux to communicate thread target info.
10099 Call mark_threaded_blocks. Release the threaded_blocks
10100 bitmap and threaded_edges vector when complete.
10101 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10102 (threaded_blocks): Remove.
10103 (tree_ssa_dominator_optimize): Remove initialization and
10104 finalization of threaded_blocks. Simplify call to
10105 thread_through_all_blocks.
10106 (thread_across_edge): Call register_jump_thread rather than
10107 storing thread information into e->aux.
10108 (free_all_edge_infos): Simplify now that e->aux is no longer
10109 used to communicate with thread_through_all_blocks.
10110 * tree-flow.h (thread_through_all_blocks): Update prototype.
10111 (register_jump_thread): Prototype.
10113 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10115 * df-core.c (df_compact_blocks, df_bb_replace): Use
10116 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10118 2006-01-11 Richard Guenther <rguenther@suse.de>
10120 PR tree-optimization/25734
10121 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10122 stop propagation after successful propagation to the LHS.
10124 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10126 * basic-block.h (control_flow_graph): Change the type of
10127 x_basic_block_info to VEC(basic_block,gc) *.
10128 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10130 (SET_BASIC_BLOCK): New.
10131 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10132 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10133 * cfgbuild.c (find_basic_blocks): Likewise.
10134 * cfglayout.c (fixup_reorder_chain): Likewise.
10135 * cfgrtl.c (create_basic_block_structure,
10136 rtl_create_basic_block): Likewise.
10137 * ifcvt.c (find_if_case_1): Likewise.
10138 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
10141 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10143 * Makefile.in: Removed rotted odf.c entry.
10145 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10148 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
10149 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
10150 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
10151 output pattern modifier, not %e.
10152 * config/cris/cris.c (cris_op_str): Update comment about pattern
10154 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
10155 before falling through into...
10156 <case 'E'>: Redefined from old 'e' case.
10158 2006-01-11 Jan Hubicka <jh@suse.cz>
10161 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
10163 2006-01-11 Jan Hubicka <jh@suse.cz>
10165 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
10166 * i386.c (x86_decompose_lea): Kill.
10167 (ix86_rtx_costs): Kill.
10169 2006-01-11 Jan Hubicka <jh@suse.cz>
10171 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
10172 * cgraph.h (cgraph_node): Add inline_decl.
10173 (cgraph_insert_node_to_hashtable): Declare.
10174 (save_inline_function_body): Declare.
10175 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
10177 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
10178 (cgraph_function_versioning): Update call of tree_function_versioning.
10179 (save_inline_function_body): New function.
10180 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
10181 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
10182 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
10183 (cgraph_default_inline_p): Likewise.
10184 (cgraph_decide_inlining_incrementally): Likewise.
10185 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10186 (copy_bb): Kill saving; do updating of clones.
10187 (copy_cfg_body): Kill saving.
10188 (initialize_inlined-parameters): Likewise.
10189 (expand_call_inline): Likewise.
10191 (tree_function_versioning): New parameter "update_clones".
10192 (inlining_p): Kill saving.
10193 * tree-inline.h (tree_function_versioning): Update prototype.
10194 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10197 2006-01-11 Ian Lance Taylor <ian@airs.com>
10199 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10200 Allow undoing set of machine mode.
10201 (do_SUBST): Use enums instead of is_int.
10202 (do_SUBST_MODE): New function.
10203 (SUBST_MODE): New macro.
10204 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10205 reg and trying to replace reg_regno_rtx with a new register.
10206 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10207 (simplify_set): Use SUBST_MODE.
10208 (distribute_notes): Remove code that tried to update reg notes
10209 for regno_reg_rtx changes.
10211 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10213 PR tree-optimization/23109
10214 PR tree-optimization/23948
10215 PR tree-optimization/24123
10217 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10218 * tree-cfg.c (single_noncomplex_succ): New.
10219 * tree-flow.h (single_noncomplex_succ): Declare it.
10220 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10221 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10222 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10223 insert_bb, register_division_in, insert_reciprocals,
10224 replace_reciprocal, free_bb): New.
10225 (execute_cse_reciprocals_1): Rewritten.
10226 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10227 Do not commit any edge insertion. Always compute dominators and
10228 create the allocation pool.
10229 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10230 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10231 * targhooks.c (default_min_divistions_for_recip_mul): New.
10232 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10233 * passes.c (init_optimization_passes): Run recip after tree loop
10235 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10237 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10238 Kenneth Zadeck <zadeck@naturalbridge.com>
10240 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10241 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10242 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10243 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10244 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10245 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10246 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10247 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10248 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10249 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10250 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10251 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10252 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10253 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10254 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10255 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10256 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10257 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10258 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10259 DF_SCAN_POST_ALLOC): New macros.
10260 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10261 df_free_bb_function, df_local_compute_function, df_init_function,
10262 df_dataflow_function, df_confluence_function_0,
10263 df_confluence_function_n, df_transfer_function,
10264 df_finalizer_function, df_free_function, df_dump_problem_function,
10265 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10266 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10267 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10268 df_urec_bb_info, ) New types.
10269 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10271 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10272 df_analyze_simple_change_some_blocks,
10273 df_analyze_simple_change_one_block, df_compact_blocks,
10274 df_bb_replace, df_bb_regno_last_use_find,
10275 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10276 df_insn_regno_def_p, df_find_def, df_find_use,
10277 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10278 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10279 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10280 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10281 debug_df_chain, df_get_dependent_problem, df_chain_create,
10282 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10283 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10284 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10285 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10286 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10287 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10288 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10289 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10290 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10291 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10292 df_reorganize_refs, df_set_state, df_hard_reg_init,
10293 df_read_modify_subreg_p) New public functions.
10294 * df-core.c: The core dataflow solver and glue routines for rtl
10296 (df_init, df_add_problem, df_set_blocks, df_finish,
10297 df_hybrid_search_forward, df_hybrid_search_backward,
10298 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10299 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10300 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10301 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10302 df_reg_defined, df_find_use, df_reg_used, df_dump,
10303 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10304 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10305 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10306 debug_df_useno, reset_df_after_reload): New functions.
10307 * df-scan.c: The scanning fuctions, once in df.c, completely
10308 rewritten so that they now fully model the functionality of
10309 register usage at the backend.
10310 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10311 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10312 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10313 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10314 df_get_artificial_defs, df_get_artificial_uses,
10315 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10316 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10317 df_refs_delete, df_reorganize_refs, df_set_state,
10318 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10319 df_def_record_1, df_defs_record, df_uses_record,
10320 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10321 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10322 df_record_exit_block_uses, df_hard_reg_init): New functions.
10324 * df-problems.c: Seven concrete dataflow problems that use the
10325 scanning in df-scan.c and are solved by the engine in df-core.c.
10326 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10327 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10328 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10329 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10330 df_ru_free_bb_info, df_ru_alloc,
10331 df_ru_bb_local_compute_process_def,
10332 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10333 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10334 df_ru_transfer_function, df_ru_free, df_ru_dump,
10335 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10336 df_rd_free_bb_info, df_rd_alloc,
10337 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10338 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10339 df_rd_transfer_function, df_rd_free, df_rd_dump,
10340 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10341 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10342 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10343 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10344 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10345 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10346 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10347 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10348 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10349 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10350 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10351 df_urec_mark_reg_use_for_earlyclobber,
10352 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10353 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10354 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10355 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10356 df_chain_create_bb_process_use, df_chain_create_bb,
10357 df_chain_finalize, df_chain_free, df_chains_dump,
10358 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10359 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10360 df_reg_lifetime): New functions.
10361 * df.c: Deleted file.
10362 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10363 consistent with new df api.
10364 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10365 rest_of_handle_sms): Ditto.
10366 * web.c (unionfind_union, union_defs, entry_register, web_main):
10368 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10369 invariant_expr_equal_p, find_defs, check_dependencies,
10370 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10371 free_inv_motion_data, move_loop_invariants): Ditto.
10372 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10373 Update dependencies.
10374 (odf.c): Added defective entry that was deleted later in day.
10375 * sched-deps.c (sched_analyze_1): Ditto.
10377 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10379 * tree-ssa-operands.c (get_expr_operands): Record addressable
10380 variables directly. Do not call add_stmt_operands for CONST_DECLs
10382 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10383 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10385 2006-01-11 Ben Elliston <bje@au.ibm.com>
10387 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10388 function returns true in the positive case.
10390 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10393 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10394 for SI, DI, SF and DF modes. Add alternatives to copy between
10395 general and floating point registers to the 32-bit patterns.
10396 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10397 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10398 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10399 generating 64-bit code.
10400 * config/pa/pa.c (output_move_double): Handle copies between general
10401 and floating registers.
10403 2006-01-10 Stuart Hastings <stuart@apple.com>
10405 * config/i386/i386.md (set_got): Update.
10406 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10407 (builtin_setjmp_receiver): Mach-O support.
10408 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10409 (GOT_SYMBOL_NAME): Define.
10410 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10411 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10412 * config/i386/i386.c (override_options): Revise for Darwin.
10413 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10414 support. (darwin_x86_file_end): New. (output_set_got): Add label
10415 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10416 * config/i386/i386-protos.h (output_set_got): Likewise.
10417 * config/darwin.c (machopic_legitimize_pic_address): Update
10420 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10422 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10423 when MODE isn't BLKmode.
10425 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10427 PR rtl-optimization/25367
10428 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10430 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10433 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10434 for a negative bound.
10436 2006-01-10 Richard Guenther <rguenther@suse.de>
10438 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10439 Never override with anything constraint.
10441 2006-01-10 Jan Beulich <jbeulich@novell.com>
10443 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10444 256 bits when optimize_size.
10446 2006-01-10 Jan Beulich <jbeulich@novell.com>
10448 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10450 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10451 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10454 2006-01-10 Ben Elliston <bje@au.ibm.com>
10456 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10458 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10459 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10460 (USE_FP_FOR_ARG): Reject decimal float modes.
10461 (function_arg_advance): Likewise.
10462 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10463 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10464 point types in AltiVec vectors.
10465 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10466 (rs6000_libcall_value): Likewise.
10468 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10470 * config/xtensa/ieee754-df.S: New file.
10471 * config/xtensa/ieee754-sf.S: New file.
10472 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10473 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10474 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10476 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10478 * config/sh/predicates.md (binary_float_operator,
10479 binary_logical_operator, commutative_float_operator,
10480 equality_comparison_operator, greater_comparison_operator,
10481 less_comparison_operator, logical_operator,
10482 noncommutative_float_operator, shift_operator,
10483 symbol_ref_operand, unary_float_operator): Remove redundant
10486 2006-01-09 Jeff Law <law@redhat.com>
10488 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10489 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10490 now unused arguments. Callers updated.
10491 (eliminate_redundant_computations): Remove now unused arguments,
10493 (local_fold): Remove, no longer used.
10494 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10496 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10497 (simplify_cond): New function.
10498 (forward_propagate_into_cond): Call simplify_cond.
10500 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10502 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10503 (*vec_extractv2di_1_sse): New.
10505 2006-01-09 Ben Elliston <bje@au.ibm.com>
10507 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10509 2006-01-08 Richard Guenther <rguenther@suse.de>
10511 * tree-ssa-structalias.c (get_constraint_for): Remove
10512 anyoffset argument.
10513 (get_constraint_for_component_ref): Likewise.
10514 (do_deref): Likewise.
10515 (get_constraint_for): Likewise.
10516 (do_structure_copy): Likewise.
10517 (handle_ptr_arith): Likewise.
10518 (find_func_aliases): Likewise. Remove unused need_anyoffset
10521 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10522 Kaz Kojima <kkojima@gcc.gnu.org>
10524 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10525 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10526 (EXTRA_CONSTRAINT_C16): Remove.
10527 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10528 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10529 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10530 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10531 constants of SHmedia. Handle nested constant expressions of
10533 (andcosts): Fix the costs for SHmedia constants.
10534 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10535 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10536 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10537 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10538 (movv4hi_i, movv2si_i): Likewise.
10539 (movsi_const): Adjust the second operand of ior so to match with
10540 the Csu constraint.
10541 (movdi_const, movdi_const_32bit): Likewise.
10542 (movdi_const_16bit+1): Don't sign-extend LOW.
10543 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10545 (*double_shori): Fix the split condition. Use GEN_INT instead
10546 of get_int_mode calls. Mask lower 16-bit of the argument of
10548 (sym2GOTPLT): Remove.
10549 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10551 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10552 instead of EXTRA_CONSTRAINT_C16.
10554 2006-01-07 Ian Lance Taylor <ian@airs.com>
10555 David Edelsohn <edelsohn@gnu.org>
10557 PR rtl-optimization/25662
10558 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10559 for constant operands instead of simplify_gen_binary.
10560 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10561 after trying simplify_binary_operation
10563 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10565 * tree.c (iterative_hash_expr): Hash decls based on UID.
10567 2006-01-06 Eric Christopher <echristo@apple.com>
10569 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10570 (TARGET_UNWIND_EMIT): Fix spelling.
10571 * target.h (gcc_target): Add except_table_label.
10572 * except.c (output_function_exception_table): Use.
10573 * varasm.c (default_emit_except_table_label): New.
10574 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10576 (asm_out): Add here.
10577 * output.h (default_emit_except_table_label): Prototype.
10578 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10579 * config/darwin.c (darwin_emit_except_table_label): Define.
10580 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10582 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10584 PR tree-optimization/18527
10585 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10586 number_of_iterations_special, number_of_iterations_exit):
10587 Move base and step of an iv to a single structure. Add
10588 no_overflow flag, and use it in # of iterations analysis.
10589 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10590 folded_casts argument.
10591 (simple_iv): Pass base and step in a structure. Set no_overflow
10593 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10594 Evaluate expensiveness of computing # of iterations instead of
10595 the final expression.
10596 * tree-scalar-evolution.h (affine_iv): New structure.
10597 (simple_iv): Declaration changed.
10598 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10599 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10600 find_givs_in_stmt): Changed due to simple_iv change.
10602 2006-01-06 Jeff Law <law@redhat.com>
10605 * tree-cfg.c (bsi_replace): Rename final argument from
10606 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10607 change (stmt -> orig_stmt).
10608 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10609 (bsi_remove): Add new argument. Remove EH information
10611 (verify_eh_throw_table_statements): New function.
10612 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10614 * tree-optimize.c (execute_free_cfg_annotations): Verify
10615 the EH throw statement table after removing annotations.
10616 * except.h (verify_eh_throw_table_statements): Prototype.
10617 * tree-flow.h (bsi_remove): Update prototype.
10618 * tree-vrp.c (remove_range_assertions): Add new argument to
10620 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10621 * tree-complex.c (expand_complex_div_wide): Likewise.
10622 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10623 * tree-tailcall.c (eliminate_tailcall): Likewise.
10624 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10625 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10626 * tree-nrv.c (tree_nrv): Likewise.
10627 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10628 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10629 (combine_blocks): Likewise.
10630 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10631 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10632 (cleanup_control_flow): Likewise.
10633 (remove_forwarder_block): Likewise.
10634 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10635 * tree-sra.c (sra_replace): Likewise.
10636 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10637 (forward_propagate_single_use_vars): Likewise.
10638 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10639 * tree-inline.c (expand_call_inline): Likewise.
10640 * tree-vect-transform.c (vect_transform_loop): Likewise.
10641 * tree-outof-ssa.c (rewrite_trees): Likewise.
10642 * tree-cfg.c (make_goto_expr_edges): Likewise.
10643 (cleanup_dead_labels): Likewise.
10644 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10645 (bsi_move_before, bsi_move_after): Likewise.
10646 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10647 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10649 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10652 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10654 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10655 on non gimple variables. Also add checks at the top for decls and
10657 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10659 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10660 and IMAGPART_EXPR for creating MUST_DEFs.
10661 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10662 and NAME_MEMORY_TAG separately from the DECLs.
10664 2006-01-06 Richard Guenther <rguenther@suse.de>
10666 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10667 annotation, if necessary.
10668 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10669 redundant calls to update_stmt.
10670 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10673 2006-01-05 Richard Henderson <rth@redhat.com>
10675 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10677 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10679 * c-typeck.c: Update copyright date.
10681 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10683 * c-typeck.c (build_c_cast): Always warn when casting
10684 from a pointer to an integer of different size, even if
10685 the node was constant.
10687 2006-01-05 Richard Guenther <rguenther@suse.de>
10689 PR tree-optimization/22555
10690 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10691 if one structure field is an array.
10692 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10693 operands even if we found a subvar, but ignore VOPs in this
10695 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10697 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10699 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10701 PR middle-end/24998
10702 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10704 2006-01-05 Richard Guenther <rguenther@suse.de>
10705 Diego Novillo <dnovillo@redhat.com>
10707 * tree-pass.h (TODO_remove_unused_locals): Define.
10708 * gimple-low.c (expand_var_p, remove_useless_vars,
10709 pass_remove_useless_vars): Remove. Update all users.
10710 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10711 (remove_unused_locals): New function.
10712 * tree-flow.h (remove_unused_locals): Declare.
10713 * passes.c (execute_todo): Call remove_unused_locals if
10714 TODO_remove_unused_locals is set.
10715 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10716 * tree-ssa-dce.c (pass_dce): Likewise.
10717 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10719 2006-01-05 Richard Guenther <rguenther@suse.de>
10721 * tree-flow.h (struct fieldoff): Decompose field to
10722 type, size and decl.
10723 * tree-ssa-alias.c (create_sft): Take type as parameter.
10724 (create_overlap_variables_for): Store type, size and decl
10725 in the fieldoff structure.
10726 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10727 of struct fieldoff.
10728 (push_fields_onto_fieldstack): Likewise.
10729 (create_variable_info_for): Likewise. Use offset for the
10730 SFT name if the decl is not available.
10732 2006-01-04 Paul Brook <paul@codesourcery.com>
10734 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10736 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10738 * lambda-code.c (can_put_in_inner_loop): Relax
10740 (can_put_after_inner_loop): New function.
10741 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10742 (perfect_nestify): Change to make copies and modify uses.
10744 2006-01-04 Richard Henderson <rth@redhat.com>
10746 Merge from gomp branch:
10747 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10748 via integer constant.
10749 (pragma_lex): Remove.
10750 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10751 rather than parsing it.
10752 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10753 handle_pragma_extern_prefix): Add %< %> quotes.
10754 (registered_pragmas): New.
10755 (c_register_pragma_1): New.
10756 (c_register_pragma): Use it.
10757 (c_register_pragma_with_expansion): Likewise.
10758 (c_invoke_pragma_handler): New.
10759 (init_pragma): Use cpp_register_deferred_pragma directly for
10761 * c-pragma.h (enum pragma_kind): New.
10762 (pragma_handler): New.
10763 (c_invoke_pragma_handler): Declare.
10764 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10766 * c-common.h (c_common_pch_pragma): Update decl.
10767 * Makefile.in (c-parser.o): Update dependencies.
10768 (GTFILES): Add c-pragma.h.
10769 * c-parser.c (struct c_token): Add pragma_kind.
10770 (struct c_parser): Add in_pragma.
10771 (c_lex_one_token): Always initialize keyword and pragma_kind.
10772 Extract data for CPP_PRAGMA.
10773 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10774 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10775 Don't allow CPP_PRAGMA_EOL if in_pragma.
10776 (c_parser_consume_pragma): New.
10777 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10778 (c_parser_skip_to_end_of_parameter): Likewise.
10779 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10780 (c_parser_skip_to_pragma_eol): New.
10781 (c_parser_external_declaration): Handle CPP_PRAGMA.
10782 (c_parser_compound_statement_nostart): Likewise.
10783 (c_parser_statement_after_labels): Likewise.
10784 (c_parser_pragma): New.
10785 (pragma_lex): Likewise.
10786 (c_parser_pragma_pch_preprocess): New.
10787 (c_parser_new): Merge into ...
10788 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10790 2006-01-04 Jeff Law <law@redhat.com>
10793 * tree-cfg.c (bsi_replace): Remove the original statement
10794 from the EH throw statement table.
10796 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10798 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10799 make the prototype extern "C" and add throw ().
10802 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10803 and pos non-negative and pos + len <= 32.
10804 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10805 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10806 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10809 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10810 as well as sizes not multiple of component size.
10813 * function.c (instantiate_expr): New function.
10814 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10815 walk its DECL_VALUE_EXPR with instantiate_expr.
10817 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10818 DW_OP_deref{,_size} if address isn't going to be added.
10820 2006-01-04 Ben Elliston <bje@au.ibm.com>
10822 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10823 * config/fp-bit.c: Likewise.
10825 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10827 * dominance.c: Add comment about why we use DFS numbering
10830 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10831 Richard Henderson <rth@redhat.com>
10833 Merge from gomp-branch:
10834 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10835 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10837 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10839 PR rtl-optimization/25578
10840 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10841 pass a parameter to simplify_shift_const if changing ASHIFTRT
10844 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10846 * builtins.c (get_builtin_sync_mem): New function.
10847 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10848 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10849 Call get_builtin_sync_mem to generate mem rtx.
10851 2006-01-03 Richard Guenther <rguenther@suse.de>
10854 * stmt.c (add_case_node): Make sure to clear overflow flags
10857 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10859 Merge from gomp-branch.
10860 * config/sparc/sync.md: New file.
10861 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10862 UNSPECV_LDSTUB): New constants.
10863 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10864 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10865 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10868 2006-01-03 Roger Sayle <roger@eyesopen.com>
10870 * combine.c (reg_subword_p): New predicate to test whether the
10871 destination of a set refers to a subword/piece of a register.
10872 (try_combine): Generalize the code to merge the setting of a
10873 pseudo to a constant followed by a set of a subword of that
10874 register to a constant.
10876 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10878 * basic-block.h (control_flow_graph): Change the type of
10879 x_label_to_block_map to VEC(basic_block,gc) *.
10880 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10881 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10883 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10884 VEC(basic_block,heap) *.
10885 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10886 ssa_prop_fini): Adjust the uses of cfg_blocks.
10888 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10890 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10892 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10893 hashing trees instead of a pointer hash.
10894 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10895 compare for MEM_EXPR.
10897 PR rtl-optimization/25130
10898 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10899 when comparing MEMs for GCSE
10901 2006-01-03 Ben Elliston <bje@au.ibm.com>
10903 * targhooks.h (default_decimal_float_supported_p): Declare.
10904 * targhooks.c (default_decimal_float_supported_p): Define.
10905 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10906 `default_decimal_float_supported_p'.
10907 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10909 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10911 * combine.c (apply_distributive_law <SUBREG>): Check
10912 TRULY_NOOP_TRUNCATION.
10914 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10916 * dwarf2out.c (have_switched_text_section): Delete.
10917 (have_multiple_function_sections): New.
10918 (have_location_lists): Make 'bool'.
10919 (add_AT_loc_list): Use 'true' not '1'.
10920 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10921 (output_loc_list): Use have_multiple_function_sections.
10922 (output_ranges): Likewise.
10923 (dwarf2out_begin_function): Set have_multiple_function_sections if
10925 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10926 Check function_section rather than DECL_SECTION_NAME.
10927 (dwarf2out_finish): Use have_multiple_function_sections.
10928 Don't clear have_location_lists.
10930 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10931 Jan Hubicka <jh@suse.cz>
10933 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10934 case of conditional jump jumping to the next instruction.
10935 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10936 cases of conditional jump jumping to the next instruction.
10938 2006-01-02 Jan Hubicka <jh@suse.cz>
10940 * i386.c (*_cost): Add COSTS_N_INSNS.
10941 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10943 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10946 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10948 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10950 * config/arm/arm.c (all_fpus): Fix comment typo.
10951 * config/darwin.c: Likewise.
10952 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10953 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10954 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10956 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10958 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10959 (rs6000_split_compare_and_swapqhi): New.
10960 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10961 (sync_compare_and_swapqhi_internal): New.
10962 * config/rs6000/rs6000-protos.h: Declare.
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