1 2006-05-16 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/22303
4 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
7 ccp_fold did not simplify the statement.
9 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12 * Makefile.in (GCC_OBJS): New.
13 (OBJS-common): Add opts-common.o.
14 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
15 (cpp$(exeext)): Likewise.
16 (gcc.o): Also depend on opts.h.
19 * common.opt (gcoff): Add Negative(gdwarf-2).
20 (gdwarf-2): Add Negative(gstabs).
21 (gstabs): Add Negative(gstabs+).
22 (gstabs+): Add Negative(gvms).
23 (gvms): Add Negative(gxcoff).
24 (gxcoff): Add Negative(gxcoff+).
25 (gxcoff+): Add Negative(gcoff).
26 * config/i386/i386.opt (m32): Add Negative(m64).
27 (m64): Add Negative(m32).
29 * doc/options.texi: Document the Negative option.
31 * gcc.c: Include "opts.h".
32 (main): Call prune_options after expandargv.
34 * optc-gen.awk: Generate common declarations for all flag
35 variables in options.c. Output the neg_index field.
37 * opts.c (find_opt): Moved to ...
38 * opts-common.c: Here. New file.
40 * opts.h (cl_option): Add a neg_index field.
42 (prune_options): Likewise.
44 2006-05-16 Jakub Jelinek <jakub@redhat.com>
47 * omp-low.c (expand_omp_parallel): Don't assert
48 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
49 instead search for it.
52 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
55 2006-05-16 Andreas Schwab <schwab@suse.de>
57 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
60 2006-05-15 Roger Sayle <roger@eyesopen.com>
63 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
64 integer constants other than zero are only legitimate on TARGET_64BIT.
65 <CONST_VECTOR> Only zero vectors are legitimate.
66 (ix86_cannot_force_const_mem): Integral and vector constants can
67 always be put in the constant pool.
69 2006-05-16 DJ Delorie <dj@redhat.com>
71 * crtstuff.c (__dso_handle): Set section from
72 TARGET_LBIGCC_SDATA_SECTION if defined.
73 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
74 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
76 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
79 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
82 2006-05-16 Ben Elliston <bje@au.ibm.com>
84 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
86 2006-05-15 Per Bothner <per@bothner.com>
88 * tree.c: (last_annotated_node): Use sources_locus typedef.
89 This permits bootstrapping with --enable-mapped-location.
91 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
93 PR tree-optimization/26830
94 * tree-into-ssa.c (struct ssa_name_info): Add age field.
95 (info_for_ssa_name, current_info_for_ssa_name_age,
96 blocks_to_update): New variables.
97 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
98 (clear_ssa_name_info, initialize_flags_in_bb,
99 mark_block_for_update): New functions.
100 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
101 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
102 prepare_def_site_for): Use mark_block_for_update.
103 (mark_def_interesting): Assert that the processed block is marked in
104 blocks_to_update. Do not take blocks argument.
105 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
107 (rewrite_update_init_block, rewrite_update_stmt): Only process
108 blocks with statements to rewrite.
109 (delete_update_ssa): Do not clear SSA_NAME_AUX.
110 (update_ssa): Initialize and free blocks_to_update. Do not
111 clear flags on statements. Do not use blocks bitmap.
112 * tree.h (SSA_NAME_AUX): Removed.
113 (struct tree_ssa_name): Removed aux field.
114 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
116 2006-05-15 Richard Guenther <rguenther@suse.de>
118 PR tree-optimization/27603
119 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
120 Do computations in original type.
122 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
124 * see.c: Code style changes such as redundant paranthesis,
125 redundant intialization of local variables etc.
126 (see_main): Declared now as static.
127 * doc/invoke.texi: Update that -fsee is not enabled by
130 2006-05-15 Jakub Jelinek <jakub@redhat.com>
132 * omp-low.c (check_omp_nesting_restrictions): New function.
133 (scan_omp_1): Call it.
136 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
137 construct, return *VAR.
139 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
141 PR rtl-optimization/27406
142 * bt-load.c (migrate_btr_def): Skip the block having abnormal
145 2006-05-14 Roger Sayle <roger@eyesopen.com>
147 PR rtl-optimization/27538
148 * combine.c (expand_compound_operation): Call gen_lowpart
149 before calling simplify_shift_const.
151 2006-05-14 Roger Sayle <roger@eyesopen.com>
153 PR rtl-optimization/22563
154 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
155 a fixed width bitfield, always force the intermediates into psuedos.
157 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
160 * mkconfig.sh: Use operator = instead of == for test.
162 2006-05-13 Nick Clifton <nickc@redhat.com>
164 * dwarf2out.c (dbx_reg_number): Check return value from
165 LEAF_REG_REMAP and only use it if it is valid.
166 (multiple_reg_loc_descriptor): Likewise.
168 2006-05-13 Richard Guenther <rguenther@suse.de>
170 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
173 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
175 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
176 information attached to non-INSNs such as NOTEs.
177 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
179 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
181 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
183 * config/s390/s390.md: Adjust comment describing On constraint.
185 2006-05-11 Jan Hubicka <jh@suse.cz>
187 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
190 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
193 * fold-const.c (size_binop): Move sanity check for arguments to
194 the beginning of the function.
197 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
200 2006-05-11 Richard Guenther <rguenther@suse.de>
203 * fold-const.c (fold_unary): Handle intermediate conversion
204 to a pointer type like intermediate conversion to an integer
205 type in folding of (T1)(T2)var to var.
206 Match the code to the comment in the final conversion for
207 (T1)(T2)var to (T1)var regarding to type precision. Rather
208 than disallow T1 being of pointer type, assert that both T1
209 and var are of pointer type or not. Make sure not to fall
210 over the frontends lazyness wrt array to pointer decay though.
212 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
214 * arm.c (arm_struct_value_rtx): Delete.
215 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
216 (arm_init_cumulative_args): Always initialize nregs to zero.
218 2006-05-10 Richard Guenther <rguenther@suse.de>
220 PR tree-optimization/27532
221 * tree-object-size.c (plus_expr_object_size): Fix typo.
223 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
226 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
227 ashrdi_const, ashrdi3): Use a scratch register.
229 2006-05-10 Richard Guenther <rguenther@suse.de>
231 PR tree-optimization/27302
232 * fold-const.c (operand_equal_p): For two comparisons,
233 try comparison of one comparison code swapped if that yields
236 2006-05-10 Ben Elliston <bje@au.ibm.com>
238 * tree-pretty-print.c (pretty_print_string): No need to handle
239 '\0' as a special character.
241 * tree.h: Include "hashtab.h".
242 (iterative_hash_expr): Use hashval_t in its prototype.
243 * Makefile.in (TREE_H): Add $(HASHTAB_H).
245 2006-05-09 Steve Ellcey <sje@cup.hp.com>
248 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
249 (hppa*64*-*-hpux11*): Ditto.
250 (hppa[12]*-*-hpux11*): Ditto.
252 2006-05-09 David Edelsohn <edelsohn@gnu.org>
255 * config/rs6000/aix41.h (TARGET_64BIT): Define.
257 2006-05-09 Michael Matz <matz@suse.de>
259 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
260 host_extra_gcc_objs and host_xmake_file.
261 (<*-*-linux*>): Don't overwrite host_xmake_file.
262 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
263 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
264 (host_detect_local_cpu): Declare.
265 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
266 * config/i386/i386.c (override_options): Handle -mtune=native
268 * config/i386/x-i386: New file.
269 * config/i386/driver-i386.c: New file.
270 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
273 2006-05-09 Dirk Mueller <dmueller@suse.de>
274 Richard Guenther <rguenther@suse.de>
277 * fold-const.c (fold_read_from_constant_string): Relax check
278 for matching types to matching modes.
280 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
282 PR rtl-optimization/27335
283 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
286 2006-05-08 Chao-ying Fu <fu@mips.com>
287 Richard Sandiford <richard@codesourcery.com>
289 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
290 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
291 * config/mips/mips.md (UNSPEC_SCC): New constant.
292 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
293 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
294 (mips_emit_compare): Use it.
295 (mips_expand_vcondv2sf): New function.
297 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
299 Fix PR tree-optimization/27093
300 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
301 renaming when they become not-used_alone.
303 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
305 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
306 relocation and relocation stubs.
308 2006-05-08 Eric Christopher <echristo@apple.com>
310 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
313 2006-05-08 Jan Hubicka <jh@suse.cz>
316 * cgraphunit.c (decide_is_function_needed): When not optimizing even
317 unused static functions are needed.
319 2006-05-08 Roger Sayle <roger@eyesopen.com>
322 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
323 of a reg_equiv_constant if the result is a legitimate constant.
325 2006-05-08 Uros Bizjak <uros@kss-loka.si>
328 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
329 standard 80387 constants, raise the cost to prevent
330 compress_float_constant() to generate load from memory.
332 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
334 * config/arm/constraints.md (c): Fix a typo.
336 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
339 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
342 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
344 (_mm_mwait): Likewise.
346 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
348 (sse3_monitor): Make it 32bit only.
349 (sse3_monitor64): New. 64bit monitor.
351 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
354 * config/i386/i386.c (classify_argument): Skip fields with invalid
357 2006-05-07 Richard Guenther <rguenther@suse.de>
359 PR tree-optimization/27409
360 * tree-ssa-structalias.c (get_constraint_for_component_ref):
361 Do not try to find zero-sized subvars.
363 2006-05-07 Richard Guenther <rguenther@suse.de>
365 PR tree-optimization/27136
366 * tree-ssa-loop-niter.c (get_val_for): Correct function
367 comment, assert requirements.
368 (loop_niter_by_eval): Stop processing if the iterated
369 value did not simplify.
371 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
373 * opts.c (flag_see): remove its setting at -O3.
375 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
377 * genpeep.c (main): Make insn-peep.c depend on flags.h.
378 * arm/constraints.md: New file.
379 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
380 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
381 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
382 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
383 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
384 (EXTRA_MEMORY_CONSTRAINT): Likewise.
385 * arm.md: Include constraints.md.
386 (thumb_movsi_insn): Use satisfies_constraint_J.
387 (movhi, movqi): Use satisfies_constraint_I.
389 2006-04-29 Anatoly Sokolov <aesok@post.ru>
391 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
392 for atmeg a645 device.
394 2006-05-06 Richard Guenther <rguenther@suse.de>
396 PR tree-optimization/27151
397 * tree-vect-transform.c (vectorizable_condition): Punt on
398 values that have a different type than the condition.
400 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
403 * c-parser.c (c_parser_cast_expression): Only insert casts into
404 hash table if pointer.
405 * function.c (used_types_insert_helper): Rename from
407 (used_types_insert): Call used_types_insert_helper.
408 * function.h (used_types_insert): Accept only one argument.
410 2006-05-05 David Edelsohn <edesohn@gnu.org>
412 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
413 scratch with output modifier.
415 2006-05-04 David Edelsohn <edelsohn@gnu.org>
418 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
419 with output modifier.
421 2006-05-04 Richard Sandiford <richard@codesourcery.com>
424 * config/mips/mips.c (mips_symbolic_address_p): Return true
425 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
426 SYMBOL_GOTTPREL, and SYMBOL_TLS.
428 2006-05-04 Richard Guenther <rguenther@suse.de>
430 PR tree-optimization/14287
431 PR tree-optimization/14844
432 PR tree-optimization/19792
433 PR tree-optimization/21608
434 PR tree-optimization/27090
435 * tree-ssa-pre.c (try_combine_conversion): New function.
436 (compute_avail): After constructing the value-handle
437 expression, use try_combine_conversion to combine NOP_EXPRs
438 with previous value-handle expressions and use the result if it
441 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
443 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
445 2006-05-04 Jan Hubicka <jh@suse.cz>
448 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
450 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
452 * config/bfin/predicates.md (const01_rtx): Tell generator programs
453 that this only matches CONST_INTs. All users changed to VOIDmode
456 * config/bfin/bfin.c: Include "optabs.h".
457 (bfin_rtx_costs): Some costs for vector operations, to allow combine
459 (enum bfin_builtins): Add a number of fractional and vector builtins.
460 (bfin_init_builtins): Likewise.
461 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
462 (safe_vector_operand, bfin_expand_binop_builtin,
463 bfin_expand_unop_builtin): New functions.
464 (bfin_expand_builtin): Handle the new builtins.
465 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
468 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
471 * Makefile.in (OBJS-common): Add see.o.
472 (see.o): Add dependencies.
473 * common.opt (fsee): New flag for the see optimization was added.
474 * opts.c (flag_see): Initialized.
475 * passes.c (init_optimization_passes, pass_see): New pass.
476 * rtl.h (see_main): Declaration as extern.
477 * timevar.def (TV_SEE): New.
478 * tree-pass.h (pass_see): Declaration as extern.
479 * invoke.texi (-fsee): Document.
480 * recog.c (validate_simplify_insn): New function.
481 * recog.h (validate_simplify_insn): Declaration as extern.
482 * df-problems.c (df_chain_dump): Check for NULL.
484 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
485 Daniel Berlin <dberlin@dberlin.org>
487 * cfgrtl.c (insert_insn_bb_end_new): New function.
488 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
490 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
492 * df.h (struct web_entry): Moved from web.c.
493 (union_defs): Declaration as extern.
494 (unionfind_root): Likewise.
495 (unionfind_union): Likewise.
496 * web.c (struct web_entry): Moved to df.h.
497 (unionfind_root): Remove static declaration.
498 (unionfind_union): Likewise.
499 (union_defs): Likewise and generalize to use callback function.
500 (web_main): Update arguments for union_defs function call.
502 2006-05-04 Richard Guenther <rguenther@suse.de>
504 PR tree-optimization/26447
505 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
506 produce SSA_NAME copies before the store stmt to avoid
507 breaking exception handling.
509 2006-05-04 Jakub Jelinek <jakub@redhat.com>
512 * gimplify.c (omp_is_private): If var is shared in some outer context,
513 return false instead of true. Stop searching on parallel context
516 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
519 * coverage.c: Use get_gcov_unsigned_t() instead of
520 unsigned_type_node all over.
522 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
524 PR tree-optimization/27381
525 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
526 maintain the same immediate_use links.
527 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
528 node rather than segfaulting.
530 2006-05-03 Jakub Jelinek <jakub@redhat.com>
533 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
534 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
535 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
537 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
539 Fix PR tree-optimization/26626
540 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
542 * tree-ssa-operands.c (access_can_touch_variable): Allow
543 typecasting through union pointers.
545 2006-05-02 Jakub Jelinek <jakub@redhat.com>
548 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
549 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
550 to find if var will be a global variable even in the nested context.
551 (omp_copy_decl): Only check for global variable at the end, it might
552 be overridden in outer contexts.
553 (scan_sharing_clauses): For global variables don't create a field.
554 (lower_rec_input_clauses): Do nothing for global shared variables.
555 Emit a barrier at the end of ILIST if there were any decls in both
556 firstprivate and lastprivate clauses.
557 (lower_send_clauses): Do nothing for global variables except for
560 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
562 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
563 of the correct signedness is returned.
565 2006-05-02 Jeff Law <law@redhat.com>
567 PR tree-optimization/27364
568 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
569 multiply expressions.
571 2006-05-02 Tom Tromey <tromey@redhat.com>
573 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
575 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
578 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
579 -mthumb -fPIC are used.
581 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
582 Joshua Kinard <kumba@gentoo.org>
585 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
586 with 64-bit pointers.
588 2006-05-02 Paul Brook <paul@codesourcery.com>
590 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
592 (create_fix_barrier): Check that a suitable barrier location is
594 (arm_reorg): Include ftmp->address in allowable range of addresses.
596 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
599 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
602 2006-05-02 Jakub Jelinek <jakub@redhat.com>
605 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
606 around RESULT_DECL for result passed by reference.
607 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
608 * omp-low.c (use_pointer_for_field): Don't look at
609 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
610 (scan_omp_1): Call remap_decl on RESULT_DECLs.
611 (lower_rec_input_clauses): Don't allocate VLA memory for the second
612 time or var for passing by reference for
613 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
614 TREE_ADDRESSABLE variables when passing by reference.
616 * omp-low.c (dump_omp_region): Fix output formatting.
619 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
620 (expand_omp_parallel): Likewise.
621 * tree-cfg.c (move_sese_region_to_fn): Likewise.
624 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
625 on statement list containing also constructors and destructors.
626 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
629 * except.c (duplicate_eh_regions): Fix clearing of
630 cfun->eh->region_array entries.
632 2006-05-01 DJ Delorie <dj@redhat.com>
634 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
636 (gcc_cv_objdump): Likewise.
637 * configure: Regenerated.
639 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
642 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
643 templates for case 3 and 4.
645 2006-05-01 DJ Delorie <dj@redhat.com>
647 * vec.c: Include bconfig.h when appropriate.
648 * Makefile.in (build/vec.o): Adjust dependencies.
649 * mkconfig.sh: Make sure config.h isn't used for build machine
652 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
654 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
656 (mark_phi_for_rewrite): New function.
657 (insert_phi_nodes_for, mark_use_interesting): Call
658 mark_phi_for_rewrite.
659 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
660 (update_ssa): Initialize and free phis_to_rewrite.
662 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
664 PR rtl-optimization/27291
665 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
666 folded to a constant.
668 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
670 PR tree-optimization/27283
671 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
672 not whole # of iteration descriptions.
673 (niter_for_exit): Return just # of iterations. Fail if # of iterations
674 uses abnormal ssa name.
675 (niter_for_single_dom_exit): Ditto.
676 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
677 return just the number of iterations.
679 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
681 PR tree-optimization/27144
682 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
683 (record_estimate): Only record constant upper bound.
684 (infer_loop_bounds_from_undefined): Call
685 compute_estimated_nb_iterations just once.
686 (proved_non_wrapping_p): Renamed to ...
687 (n_of_executions_at_most): ... this. Expect bound to be a constant.
688 (convert_step_widening, scev_probably_wraps_p): Call
689 n_of_executions_at_most instead of proved_non_wrapping_p.
690 (substitute_in_loop_info): Do not replace values in bounds.
691 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
694 2006-05-01 Richard Henderson <rth@redhat.com>
697 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
698 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
701 2006-05-01 Roger Sayle <roger@eyesopen.com>
703 * c-typeck.c (parser_build_binary_op): Don't call the function
704 unsigned_conversion_warning to spot operand/result type overflow.
705 (build_binary_op): Instead, call convert_and_check instead of
706 convert to report the problem when the operands are promoted.
707 * c-common.c (unsigned_conversion_warning): Make static.
708 * c-common.h (unsigned_conversion_warning): Delete prototype.
710 2006-05-01 Richard Guenther <rguenther@suse.de>
712 PR tree-optimization/26726
713 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
715 (find_interesting_uses_address): ... we work around here
716 by folding INDIRECT_REFs in the substituted base.
718 2006-05-01 Diego Novillo <dnovillo@redhat.com>
720 * omp-low.c (dump_omp_region): Add newlines.
722 2006-04-30 Roger Sayle <roger@eyesopen.com>
724 * common.opt (Woverflow): New command line option.
725 * c-common.c (constant_expression_warning): Check warn_overflow.
726 (overflow_waring): Pass OPT_Woverflow to warning.
727 (unsigned_conversion_warning): Likewise.
728 (convert_and_check): Likewise.
729 * doc/invoke.texi: Document new command line option.
731 2006-04-30 David Edelsohn <edelsohn@gnu.org>
733 * config/rs6000/rs6000.c (rs6000_override_options): Enable
734 TARGET_NO_FP_IN_TOC for section anchors.
735 (optimization_options): Enable section anchors for all
736 non-"Objective" languages.
738 2006-04-28 Eric Christopher <echristo@apple.com>
740 * config/darwin-c.c (darwin_ms_struct): Move this
741 (darwin_set_default_type_attributes): and this...
742 * config/darwin.c: ... here.
743 * config/darwin.h (darwin_ms_struct): Declare.
745 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
747 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
749 2006-04-28 Roger Sayle <roger@eyesopen.com>
752 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
753 (push_array_bounds): Delete prototype. Change BOUNDS argument to
754 an unsigned HOST_WIDE_INT.
755 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
757 (really_start_incremental_init): No need to call convert because
758 bitsize_zero_node is already of type bitsizetype.
759 (push_init_level): Extract the value of constructor_index as an
760 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
761 (process_init_element): Likewise.
763 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
765 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
766 value before passing to make_relative_prefix.
768 2006-04-28 Alan Modra <amodra@bigpond.net.au>
771 * builtins.c (expand_builtin_memset): Expand val in original mode.
773 2006-04-27 Eric Christopher <echristo@apple.com>
775 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
777 * config/darwin-c.c (darwin_ms_struct): New.
778 (darwin_pragma_ms_struct): Ditto.
779 (darwin_set_default_type_attributes): Ditto.
780 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
781 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
782 Register ms_struct pragma.
783 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
784 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
785 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
786 darwin_set_default_type_attributes if TARGET_MACHO.
788 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
790 PR tree-optimization/26854
791 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
792 * doc/tree-ssa.texi: Update immuse iterator documentation.
793 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
794 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
795 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
796 first_safe_imm_use, next_safe_imm_use): Remove.
797 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
798 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
799 (move_use_after_head): New. Helper function to sort immuses in a stmt.
800 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
801 (first_imm_use_stmt): New. Get first stmt in an immuse list.
802 (next_imm_use_stmt): New. Get next stmt in an immuse list.
803 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
804 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
805 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
806 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
807 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
808 (perfect_nestify): Use new iterator.
809 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
811 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
812 (next_imm_name): New field in struct immediate_use_iterator_d.
813 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
814 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
815 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
816 * tree-cfg.c (replace_uses_by): Use new iterator.
817 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
818 * tree-ssa-operands.c (correct_use_link): Remove.
819 (finalize_ssa_use_ops): No longer call correct_use_link.
821 2006-04-27 Stuart Hastings <stuart@apple.com>
823 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
824 * config/t-darwin (crt3.o): Use it.
825 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
826 'pmode', use Pmode instead of SImode for SYMBOL_REF.
827 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
828 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
829 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
832 2006-04-27 Roger Sayle <roger@eyesopen.com>
834 * expmed.c (store_fixed_bit_field): If we're not optimizing for
835 size, force the intermediate into a new pseudo rather instead of
836 performing both a bitwise AND and a bitwise IOR in memory.
838 2006-04-27 Richard Guenther <rguenther@suse.de>
840 PR rtl-optimization/26685
841 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
842 this one "max-flow-memory-locations".
844 2006-04-27 Richard Guenther <rguenther@suse.de>
846 PR tree-optimization/25148
847 * tree-vrp.c (compare_values): Remove code dealing with
848 comparisons against type min/max value. Honour overflow
849 and negative constants in code dealing with comparisons
850 of plus and minus expressions.
851 (value_inside_range): Use fold_binary with LE_EXPR and
852 GE_EXPR rather than compare_values.
854 2006-04-27 Dirk Mueller <dmueller@suse.de>
856 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
859 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
861 * basic-block.h (safe_insert_insn_on_edge): Removed.
862 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
864 2006-04-26 David Edelsohn <edelsohn@gnu.org>
865 Paolo Bonzini <bonzini@gnu.org>
868 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
869 (simplify_and_const_int): Same.
871 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
873 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
875 2006-04-26 Jakub Jelinek <jakub@redhat.com>
878 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
879 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
880 cgraph_global_info_ready.
883 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
886 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
887 either decl or init is error_mark_node.
890 * tree-flow.h (struct omp_region): Add sched_kind.
891 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
892 instead of extracting omp for data.
893 (expand_omp_for): Save extracted sched_kind.
895 2006-04-25 Roger Sayle <roger@eyesopen.com>
897 * expmed.c (store_bit_field): Also check whether the bitsize is
898 valid for the machine's "insv" instruction before moving the
899 target into a pseudo for use with the insv.
900 * config/i386/predicates.md (const8_operand): New predicate.
901 * config/i386/i386.md (extv, extzv, insv): Use the new
902 const8_operand predicate where appropriate.
904 2006-04-25 DJ Delorie <dj@redhat.com>
906 * doc/install.texi (Specific): Clarify that this is not a list of
907 supported hosts or targets.
909 2006-04-25 Richard Sandiford <richard@codesourcery.com>
911 PR rtl-optimization/26725
912 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
913 block's BB_DIRTY flag.
915 2006-04-25 Geoffrey Keating <geoffk@apple.com>
917 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
920 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
923 2006-04-25 David Edelsohn <edelsohn@gnu.org>
925 * varasm.c (align_variable): New function.
926 (get_block_for_decl): Apply align_variable to DECL before
927 calculating section information.
928 (assemble_variable): Split out alignment computation.
930 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
932 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
935 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
937 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
938 MODE_PARTIAL_INT mode.
939 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
940 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
942 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
943 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
945 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
947 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
949 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
950 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
951 MACFLAG_IH): Likewise.
952 (movstricthi_1): Renamed from "*movstricthi".
953 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
954 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
955 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
956 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
957 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
958 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
959 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
960 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
961 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
962 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
963 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
964 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
965 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
966 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
967 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
969 * doc/rtl.texi (ss_ashift): Improve wording.
971 2006-04-24 Geoffrey Keating <geoffk@apple.com>
973 * dwarf2out.c (verify_marks_clear): New.
974 (prune_unused_types): Call verify_marks_clear initially, not
977 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
979 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
980 * doc/rtl.texi: Document them.
981 * simplify-rtx.c (simplify_unary_operation,
982 simplify_binary_operation_1): Don't abort when we see them.
984 2006-04-24 Mark Mitchell <mark@codesourcery.com>
987 2006-04-23 Mark Mitchell <mark@codesourcery.com>
988 * configure.ac: Completely disregard languages that are not
990 * configure: Regenerated.
992 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
993 Richard Guenther <rguenther@suse.de>
995 PR tree-optimization/27236
996 * tree-inline.c (copy_body_r): Make sure to copy
997 TREE_THIS_VOLATILE flag.
999 2006-04-24 Richard Guenther <rguenther@suse.de>
1002 * tree-complex.c (update_parameter_components): Don't handle
1003 unused parameters which have no default def.
1005 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1006 Richard Guenther <rguenther@suse.de>
1008 PR tree-optimization/27218
1009 * tree-inline.c (expand_call_inline): Strip useless type
1010 conversions for the return slot address.
1012 2006-04-24 Richard Guenther <rguenther@suse.de>
1014 * cfgloop.h (struct loops): Remove unused field array. Reorder
1016 (LOOP_PREFETCH): Remove.
1018 2006-04-24 Richard Guenther <rguenther@suse.de>
1020 PR tree-optimization/22525
1021 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1022 variable, adjust types of generated expressions.
1024 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1026 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1027 (tree-vect-patterns.o): Likewise.
1029 (cselib.o): Likewise.
1030 (loop-doloop.o): Likewise.
1031 (regclass.o): Likewise.
1032 (reload1.o): Likewise.
1033 (explow.o): Replace target.h with $(TARGET_H).
1034 (ipa-prop.o): Likewise.
1035 (ipa-cp.o): Likewise.
1036 (ipa-inline.o): Likewise.
1037 (reorg.o): Likewise.
1038 (reg-stack.o): Likewise.
1040 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1042 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1044 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1046 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1048 * configure.ac: Completely disregard languages that are not
1050 * configure: Regenerated.
1053 * c-common.h (c_build_bitfield_integer_type): Declare.
1054 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1055 * c-common.c (c_build_bitfield_integer_type): ... here.
1057 2006-04-23 Roger Sayle <roger@eyesopen.com>
1060 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1061 a SImode SUBREG of a floating point register after no_new_pseudos.
1063 2006-04-23 Roger Sayle <roger@eyesopen.com>
1065 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1066 identify potentially eliminable registers to additionally catch
1067 VIRTUAL_INCOMING_ARGS_REGNUM.
1068 (addsi3): Update the conditions on when to use addsi_small_int.
1070 2006-04-23 Roger Sayle <roger@eyesopen.com>
1073 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1074 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1075 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1077 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1079 * fold-const.c (range_predecessor): Use operand_equal_p
1080 as the predicate for equality.
1081 (range_successor): Likewise.
1083 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1086 * config/soft-fp/op-common.h: Fix a typo.
1088 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1091 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1092 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1094 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1096 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1098 * doc/tm.texi: Fix a typo.
1100 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1102 * dwarf2out.c (struct die_struct): Document that die_sib makes
1103 a circular linked list.
1104 (FOR_EACH_CHILD): New.
1105 (reverse_die_lists): Delete.
1106 (reverse_all_dies): Delete.
1107 (add_dwarf_attr): Correct documentation.
1108 (remove_child_with_prev): New.
1109 (remove_child_TAG): Update for change to die_struct, use
1110 remove_child_with_prev.
1111 (add_child_die): Update for change to die_struct.
1112 (splice_child_die): Use remove_child_with_prev and add_child_die.
1113 (print_die): Use FOR_EACH_CHILD.
1114 (die_checksum): Likewise.
1115 (assign_symbol_names): Likewise.
1116 (output_location_lists): Likewise.
1117 (build_abbrev_table): Likewise.
1118 (calc_die_sizes): Likewise.
1119 (mark_dies): Likewise.
1120 (unmark_dies): Likewise.
1121 (unmark_all_dies): Likewise.
1122 (output_die): Likewise.
1123 (prune_unused_types_mark): Likewise.
1124 (prune_unused_types_walk): Likewise.
1125 (same_die_p): Update for change to die_struct.
1126 (break_out_includes): Likewise.
1127 (prune_unused_types_prune): Likewise.
1128 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1129 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1131 (dwarf2out_finish): Don't call reverse_all_dies.
1133 2006-04-21 Eric Christopher <echristo@apple.com>
1135 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1136 in comments and function names.
1138 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1141 * c-typeck.c (digest_init): Robustify.
1143 * c-typeck.c (pop_init_level): Simplify.
1145 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1147 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1149 2006-04-21 Paul Brook <paul@codesourcery.com>
1151 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1152 hardware floating point.
1154 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1156 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1159 2006-04-21 Nick Clifton <nickc@redhat.com>
1161 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1164 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1167 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1168 C++ lang type in traceback table for Objective-C++.
1170 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1172 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1174 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1176 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1179 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1180 were errors. Remove check for erroneous objects.
1182 2006-04-20 Jeff Law <law@redhat.com>
1184 PR tree-optimization/26854
1185 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1186 checking for zero or one use.
1187 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1188 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1189 * tree-ssa-reassoc.c (negate_value): Similarly.
1190 (reassociate_bb): Similarly.
1192 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1194 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1195 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1196 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1198 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1200 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1201 fp regs if the last fp arg doesn't fit in regs.
1203 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1206 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1207 that the last insn has the REG_INC note.
1209 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1210 Nathan Sidwell <nathan@codesourcery.com>
1213 * stor-layout.c (update_alignment_for_field): Do not align
1215 (place_union_field): Place union field at the start of the union.
1216 (place_field): Move ERROR_MARK check later, and use the current
1217 allocation position to maintain monotonicity.
1219 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1221 * dominance.c: Include timevar.h.
1222 (calculate_dominance_info): Use TV_DOMINANCE.
1223 * timevar.def (TV_DOMINANCE): New timevar.
1224 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1226 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1228 PR rtl-optimization/14261
1229 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1230 move would be an INSV insn.
1231 (noce_process_if_block): Don't optimize if the destination is a
1232 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1234 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1236 * config/s390/s390.md: Add comments with the instructions emitted
1237 by an insn pattern if macros are used.
1239 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1241 PR rtl-optimization/26026
1242 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1243 is a known power of two shifted left a variable amount.
1245 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1247 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1248 to hash table twice when the debug_str section has SECTION_MERGE.
1250 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1252 * config/soft-fp: New directory. From glibc.
1253 * config/soft-fp/t-softfp: New.
1254 * config/soft-fp/README: New.
1255 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1256 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1257 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1258 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1259 * config.gcc: Use rs6000/t-fprules-fpbit or
1260 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1262 * config/rs6000/sfp-machine.h: New. Based on glibc.
1263 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1265 * config/rs6000/t-fprules: Remove fp-bit rules.
1266 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1267 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1268 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1269 (softfp_wrap_start, softfp_wrap_end): New.
1271 2006-04-18 DJ Delorie <dj@redhat.com>
1273 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1275 2006-04-18 Devang Patel <dpatel@apple.com>
1277 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1279 2006-04-18 Nick Clifton <nickc@redhat.com>
1281 * config/sh/t-symbian: Add rule to build sh-c.o
1282 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1283 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1284 (sh_symbian_encode_section_info): Likewise.
1286 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1288 * builtins.c (expand_builtin_strcmp): Cover label definition of
1289 do_libcall with HAVE_cmpstrnsi.
1291 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1293 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1295 * function.h (temp_slot_p): New.
1296 (function): Change the type of x_used_temp_slots to
1297 VEC(temp_slot_p,gc) *.
1299 2006-04-18 Nick Clifton <nickc@redhat.com>
1301 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1302 flag_strength_reduce.
1304 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1306 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1310 Partial revert of revision 112637
1311 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1312 Dale Johannesen <dalej@apple.com>
1315 * regclass.c (struct reg_pref): Update documentation.
1316 (regclass): Set prefclass to NO_REGS if memory is the best option.
1317 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1319 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1321 PR tree-optimization/26821
1322 * tree-ssa-math-opts.c (get_constant_one): New.
1323 (insert_reciprocals): Use it.
1325 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1327 * dwarf2out.c (free_AT): Delete.
1328 (remove_AT): Update string ref counts.
1329 (remove_child_TAG): Don't call free_die.
1331 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1332 or DW_TAG_GNU_EINCL.
1333 (prune_unused_types_walk_attribs): Reset string refcounts.
1334 (prune_unused_types_update_strings): New.
1335 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1336 call free_die. Do call prune_unused_types_update_strings.
1337 (prune_unused_types): Empty debug_str_hash.
1339 2006-04-17 Roger Sayle <roger@eyesopen.com>
1341 * expr.c (expand_assignment): Optimize away no-op moves where the
1342 source and destination are equal and have no side-effects.
1344 2006-04-17 Richard Guenther <rguenther@suse.de>
1347 * reload.c (push_reload): Guard calls to get_secondary_mem
1350 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1352 * alias.c (reg_base_value, old_reg_base_value): Change the
1353 type to VEC(rtx,gc) *.
1354 (REG_BASE_VALUE, find_base_value, record_set,
1355 init_alias_analysis): Use VEC instead of VARRAY.
1357 * alias.c (alias_sets): Change the type to
1358 VEC(alias_set_entry,gc) *.
1359 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1360 VEC instead of VARRAY.
1361 (last_alias_set): Remove.
1363 * cgraph.h (cgraph_edge_p): New.
1364 Update the prototype of cgraph_function_versioning.
1365 * cgraphunit.c (cgraph_copy_node_for_versioning,
1366 cgraph_function_versioning): Use VEC instead of VARRAY.
1367 * ipa-cp.c (ipcp_insert_stage): Likewise.
1369 2006-04-16 Roger Sayle <roger@eyesopen.com>
1372 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1373 "A op B" or "A op C", we may need to convert A to the type of B and C.
1375 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1377 * target.h (struct gcc_target): Add mode_rep_extended.
1378 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1379 (init_num_sign_bit_copies_in_rep): Initialize it using
1381 (truncate_to_mode): Use it.
1382 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1383 * targhooks.h (default_mode_rep_extended): Declare it.
1384 * targhooks.c (default_mode_rep_extended): Define it.
1385 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1386 default_mode_rep_extended.
1387 (TARGET_INITIALIZER): Include it.
1388 * doc/tm.texi (Misc): Document it.
1389 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1390 (mips_truncated_to_mode): New function.
1392 2006-04-16 Roger Sayle <roger@eyesopen.com>
1395 * expr.c (compress_float_constant): Copy the narrow constant into
1396 a new pseudo before extending it to its final width.
1398 2006-04-16 Roger Sayle <roger@eyesopen.com>
1399 Andrew Pinski <pinskia@gcc.gnu.org>
1400 Dale Johannesen <dalej@apple.com>
1403 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1404 special case code to implement V8HImode and V16QImode with SSE2.
1406 2006-04-15 Roger Sayle <roger@eyesopen.com>
1408 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1409 trees are constructed with a suitable tree type.
1411 2006-04-15 Roger Sayle <roger@eyesopen.com>
1413 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1414 (integer_onep): Likewise.
1415 (integer_all_onesp): Likewise.
1416 (integer_pow2p): Likewise.
1417 (integer_nonzerop): Likewise.
1418 (real_zerop): Likewise.
1419 (real_onep): Likewise.
1420 (real_twop): Likewise.
1421 (real_minus_onep): Likewise.
1422 (int_size_in_bytes): Likewise.
1423 (host_integerp): Likewise.
1425 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1427 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1428 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1429 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1431 * tree-ssa-structalias.h (alias_info): Remove num_references.
1433 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1435 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1436 (output_bvb patterns): Likewise.
1437 * pa.c (output_bb): Use 'bb' insn for long branch case.
1438 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1439 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1440 1. Correct length operand for alternatives 1 and 2.
1441 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1442 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1444 2006-04-14 Roger Sayle <roger@eyesopen.com>
1446 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1447 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1448 were accidentally reverted by r112959.
1450 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1453 * except.h (eh_region_outermost): New prototype.
1454 * except.c (eh_region_outermost): New function.
1455 * tree-cfg.c (find_outermost_region_in_block): Use it.
1457 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1459 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1461 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1462 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1463 (init_reload, reload): Use VEC instead of VARRAY.
1464 * reload.h: Update the prototype for
1465 reg_equiv_memory_loc_varray.
1467 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1468 Eric Botcazou <ebotcazou@libertysurf.fr>
1470 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1473 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1476 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1477 to expand fallback builtin function call.
1479 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1482 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1483 and emit libcall here in case the builtin fails.
1484 (expand_builtin_strcmp): Always emit the libcall here on failure.
1486 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1488 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1489 * flow.c (reg_n_info): Change the type to
1490 VEC(reg_info_p,heap) *.
1491 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1493 * regs.h (reg_info_p): New.
1494 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1495 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1496 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1499 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1501 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1503 * params.h (MAX_SCHED_READY_INSNS): New macro.
1504 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1505 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1506 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1507 the ready list for 1 cycle during the first scheduling pass.
1508 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1510 2006-04-13 Richard Henderson <rth@redhat.com>
1513 * gimple-low.c (lower_omp_directive): Remove dead code.
1514 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1515 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1516 * omp-low.c (struct omp_region): Move to tree-flow.h.
1517 (root_omp_region): Export.
1518 (omp_regions, lookup_omp_region): Remove.
1519 (determine_parallel_type): Update for struct omp_region changes.
1520 (dump_omp_region): Dump regions with block numbers.
1521 (new_omp_region): Take type and block instead of stmt; malloc
1523 (free_omp_region_1, free_omp_regions): New.
1524 (expand_parallel_call): Take entry_stmt as argument; update for
1525 changes to omp_region.
1526 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1527 (remove_exit_barriers): New.
1528 (expand_omp_parallel): Update for struct omp_region changes.
1529 (expand_omp_synch): Likewise.
1530 (expand_omp): Likewise.
1531 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1532 (expand_omp_for_static_chunk): Likewise.
1533 (expand_omp_for): Likewise.
1534 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1535 (expand_omp_sections): Similarly, with GOMP_sections_end.
1536 (expand_omp_single): New.
1537 (build_omp_regions_1): Update for OMP_CONTINUE.
1538 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1539 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1540 OMP_SECTIONS_SECTIONS.
1541 (lower_omp_single_simple): Don't emit barrier here.
1542 (lower_omp_single_copy): Likewise.
1543 (lower_omp_single): Fix bindings, and lower to straightline now.
1544 (lower_omp_master, lower_omp_ordered): Likewise.
1545 (lower_omp_critical): Likewise.
1546 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1547 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1548 omp edges, free it afterward.
1549 (make_omp_sections_edges): Remove.
1550 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1551 (move_stmt_r): Handle OMP_CONTINUE.
1552 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1553 statement pointers to basic blocks. Add type member.
1554 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1555 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1556 * tree-inline.c (estimate_num_insns_1): Likewise.
1557 * tree-pretty-print.c (dump_generic_node): Likewise.
1558 * tree-ssa-operands.c (get_expr_operands): Likewise.
1559 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1560 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1561 (OMP_CONTINUE): New.
1562 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1563 (OMP_SECTIONS_SECTIONS): Remove.
1564 (OMP_SECTION_LAST): New.
1565 (OMP_RETURN_NOWAIT): New.
1567 2006-04-13 Roger Sayle <roger@eyesopen.com>
1569 * fold-const.c (native_encode_vector, native_interpret_real):
1570 Correct obvious mistakes in the previous check-in.
1572 2006-04-13 Roger Sayle <roger@eyesopen.com>
1574 * fold-const.c (native_encode_expr): New function to encode
1575 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1576 or VECTOR_CST into a specified buffer.
1577 (native_encode_int): New function.
1578 (native_encode_real): New function.
1579 (native_encode_complex): New function.
1580 (native_encode_vector): New function.
1581 (native_interpret_expr): Inverse of native_encode_expr to convert
1582 a target representation into an INTEGER_CST, REAL_CST etc...
1583 (native_interpret_int): New function.
1584 (native_interpret_real): New function.
1585 (native_interpret_complex): New function.
1586 (native_interpret_vector): New function.
1587 (fold_view_convert_expr): New function to constant fold/evaluate
1588 a VIEW_CONVERT_EXPR of a suitable constant expression.
1589 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1590 Change call of build1 to fold_build1 when constructing a
1593 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1594 Ulrich Weigand <uweigand@de.ibm.com>
1597 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1600 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1603 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1604 optimize to lo_sum for DFmode if !TARGET_FPRS.
1606 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1608 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1609 delete_alias_info, compute_flow_sensitive_aliasing,
1610 group_aliases): Use VEC instead of VARRAY.
1611 * tree-ssa-structalias.c (update_alias_info): Likewise.
1612 * tree-ssa-structalias.h (alias_info): Change the type of
1613 processed_ptrs to VEC(tree,heap) *.
1615 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1618 * config/sh/lib1funcs.h: New file, broken out of:
1619 * config/sh/lib1funcs.asm.
1620 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1622 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1623 * config/sh/lib1funcs-Os-4-200.asm: New file.
1624 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1625 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1626 (EXTRA_MULTILIB_PARTS): Include it.
1627 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1628 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1629 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1630 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1633 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1635 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1636 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1637 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1639 * tree-ssa-live.h: Include vecprim.h.
1640 (tree_partition_associator_d): Change the type of
1641 first_partition to VEC(int,heap) *.
1642 (tpa_first_partition): Use VEC instead of VARRAY.
1644 * Makefile.in (GTFILES): Move functions.h after tree.h.
1645 * function.c (reset_block_changes, record_block_change,
1646 check_block_change, free_block_changes): Use VEC instead of
1648 * function.h (function): Change the type of
1649 ib_boundaries_block to VEC(tree,gc) *.
1650 * tree-inline.c (copy_cfg_body): Initialize
1651 ib_boundaries_block to NULL instead of (varray_type) 0.
1653 2006-04-12 Roger Sayle <roger@eyesopen.com>
1655 * expr.c (emit_group_store): Correct operand order in call to
1656 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1657 a SUBREG_BYTE of zero.
1659 2006-04-12 Richard Guenther <rguenther@suse.de>
1661 * profile.c (compute_branch_probabilities): Remove code
1662 encapsulated in !ir_type (), which are remanents of the
1663 removed RTL profiling code.
1664 * rtl-profile.c: Remove.
1666 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1668 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1669 magic NULL_RTX comment.
1670 (function_arg): Store entire fp arg to mem if any part should go
1672 (rs6000_arg_partial_bytes): Adjust for above change.
1674 2006-04-11 Roger Sayle <roger@eyesopen.com>
1676 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1677 if it hasn't been initialized by dwarf2out_init.
1679 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1681 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1682 symbolic constants in branch patterns.
1684 2006-04-11 Roger Sayle <roger@eyesopen.com>
1686 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1688 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1690 PR rtl-optimization/27073
1691 * gcse.c (try_replace_reg): Revert last change. Continue to search
1692 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1695 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1697 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1698 aggregate types other than record and union types.
1699 (function_arg): Likewise.
1700 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1702 (function_value): In 64-bit mode, return objects that require it
1705 2006-04-11 Roger Sayle <roger@eyesopen.com>
1707 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1709 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1711 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1713 2006-04-03 Jeff Law <law@redhat.com>
1716 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1717 alias information too.
1719 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1721 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1723 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1726 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1727 (premark_used_types_helper): New.
1728 (premark_used_types): New.
1729 (gen_subprogram_die): Call premark_used_types.
1730 (prune_unused_types_walk): Do not prune perennial dies.
1731 * function.c (used_types_insert): New.
1732 * function.h (struct function): Add used_types_hash field.
1733 (used_types_insert): Add prototype.
1734 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1735 * c-parser.c (c_parser_cast_expression): Save casted types in used
1738 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1741 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1742 rs6000_explicit_options.float_gprs.
1744 2006-04-10 Roger Sayle <roger@eyesopen.com>
1746 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1747 from ix86_expand_vector_init_low_nonzero. Take an additional
1748 one_var argument indicating which element is non-zero. Support
1749 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1750 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1751 with one_var instead of ix86_expand_vector_init_low_nonzero.
1753 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1755 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1756 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1757 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1758 build/genextract.o): Depend on vecprim.h.
1759 * cfglayout.c, df-problems.c, function.c, genextract.c,
1760 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1761 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1765 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1767 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1768 Declare VECs of this type.
1769 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1770 (remove_children): Delete.
1771 (add_dwarf_attr): Use VEC routines.
1772 (add_AT_flag): Update for changes to add_dwarf_attr.
1773 (add_AT_int): Likewise.
1774 (add_AT_unsigned): Likewise.
1775 (add_AT_long_long): Likewise.
1776 (add_AT_vec): Likewise.
1777 (add_AT_string): Likewise.
1778 (add_AT_die_ref): Likewise.
1779 (add_AT_fde_ref): Likewise.
1780 (add_AT_loc): Likewise.
1781 (add_AT_loc_list): Likewise.
1782 (add_AT_addr): Likewise.
1783 (add_AT_lbl_id): Likewise.
1784 (add_AT_lineptr): Likewise.
1785 (add_AT_macptr): Likewise.
1786 (add_AT_offset): Likewise.
1787 (add_AT_range_list): Likewise.
1788 (get_AT): Use VEC_iterate.
1789 (remove_AT): Use VEC_ordered_remove.
1790 (free_die): Fold remove_children into here; have it use VEC_iterate.
1791 (print_die): Use VEC_iterate on attrs.
1792 (reverse_die_lists): Don't reverse attr lists.
1793 (die_checksum): Use VEC_iterate on attrs.
1794 (same_die_p): Likewise.
1795 (output_location_lists): Likewise.
1796 (build_abbrev_table): Likewise.
1797 (size_of_die): Likewise.
1798 (unmark_all_dies): Likewise.
1799 (output_abbrev_section): Likewise.
1800 (output_die): Likewise.
1801 (prune_unused_types_walk_attribs): Likewise.
1803 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1805 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1807 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1810 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1812 2006-04-09 Roger Sayle <roger@eyesopen.com>
1814 * expr.c (store_constructor): Don't bother clearing target if
1815 we're about to assign a vector to it using vec_init_optab.
1817 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1819 * tree-ssa-alias.c (lhs_may_store_to): New function.
1820 (recalculate_used_alone): Handle LHS of calls.
1822 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1826 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1827 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1828 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1829 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1830 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1831 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1832 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1833 stubs. Add ".align 8" directives before all ".dword" directives.
1834 (GTHREAD_USE_WEAK): Revise comment.
1835 (TARGET_ATTRIBUTE_WEAK): Define.
1836 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1837 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1838 * stublib.c: New file.
1843 * pa.md (cbranch patterns): Revise arguments used in calls to
1844 output_cbranch, output_bb and output_bvd. Add long branch length
1846 (fbranch patterns): Handle long branches.
1847 (jump): Revise length check. Revise arguments for output_lbranch call.
1848 Add long branch length attributes.
1849 (decrement_and_branch_until_zero): Add long branch length attributes.
1850 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1851 Likewise. Revise arguments for output_parallel_addb and
1852 output_parallel_movb calls.
1853 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1854 output_parallel_movb and output_parallel_addb): Update prototypes.
1855 * pa.c (output_cbranch): Revise arguments. Correct handling of
1856 nullification in long branches.
1857 (output_lbranch): Add new argument to control extraction of delay
1859 (output_bb): Handle long branches.
1860 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1861 output_parallel_addb): Likewise.
1863 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1865 PR rtl-optimization/27073
1866 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1869 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1871 * tree.h (tree_memory_tag): Add old_used_alone.
1872 (SMT_OLD_USED_ALONE): New macro.
1873 * tree-ssa-alias.c (recalculate_used_alone): Stop
1874 marking things for renaming unnecessarily.
1876 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1878 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1879 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1880 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1881 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1882 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1883 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1884 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1885 spelling convensions.
1886 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1887 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1888 typos. Follow spelling conventions.
1890 2006-04-07 DJ Delorie <dj@redhat.com>
1892 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1893 passed on the stack.
1894 (m32c_init_cumulative_args): When a function returns a structure,
1895 always pass the pointer to that return area on the stack.
1896 (m32c_function_arg_advance): Don't increment the parameter number
1897 if we're processing the returned structure pointer.
1898 (pushm_info): Reverse order of registers.
1900 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1902 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1903 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1904 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1905 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1907 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1908 chrec_fold_multiply): Same.
1909 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1910 force_expr_to_var_cost): Same.
1911 * tree-mudflap.c (mf_xform_derefs_1): Same.
1912 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1914 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1916 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1917 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1920 2006-04-07 Jan Hubicka <jh@suse.cz>
1922 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1924 2006-04-07 Richard Guenther <rguenther@suse.de>
1926 PR tree-optimization/26135
1927 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1928 loads for store copy-prop.
1929 (copy_prop_visit_stmt): Likewise.
1931 2006-04-05 Robert Millan <robertmh@gnu.org>
1933 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1934 being overriden in config/k*bsd-gnu.h.
1935 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1937 * gcc/config/knetbsd-gnu.h: Ditto.
1939 2006-04-06 Jan Hubicka <jh@suse.cz>
1943 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1946 2006-04-06 Mike Stump <mrs@apple.com>
1948 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1949 for HAVE_nonlocal_goto to be consistent.
1950 (expand_builtin_nonlocal_goto): Likewise.
1951 (expand_builtin_strcmp): Use #ifdef instead of #if
1952 for HAVE_cmpstrnsi to be consistent.
1954 2006-04-05 DJ Delorie <dj@redhat.com>
1956 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1959 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1961 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1962 got-relative addressing for anything but SImode.
1964 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1965 even if the calling function doesn't modify them.
1967 2006-04-05 Richard Guenther <rguenther@suse.de>
1969 PR tree-optimization/26919
1970 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1971 to cgraph_estimate_size_after_inlining.
1973 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1975 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1977 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1979 PR tree-optimization/26996
1980 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1981 VECTOR_TYPE variables.
1983 2006-04-05 Richard Guenther <rguenther@suse.de>
1985 PR tree-optimization/26763
1986 * fold-const.c (fold_comparison): Move folding of
1987 PTR + CST CMP PTR + CST ...
1988 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1990 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1992 * doc/install.texi (Prerequisites): Refine some wording on
1993 bootstrapping and ksh.
1994 Move the version numbers of DejaGnu here from the testing section
1995 and fix casing of names.
1996 Fix markup and clarify wording for autogen requirements.
1997 Refer to GCJ instead of just java.
1998 Refer to SVN instead of CVS.
1999 Describe diffutils as useful instead of necessary.
2000 (Downloading the source): Refer to SVN instead of CVS.
2001 Adjust a link to our web site accordingly.
2002 (Configuration): Fix casing of Bison.
2003 (Building): Refer to SVN instead of CVS.
2004 Fix a sentence on the use of Bison and remove duplicate (and
2005 incorrect) version number of Bison requirement.
2006 Remove one redundant list of packages needed for building.
2007 (Specific): Avoid reference to CVS.
2009 2006-04-04 Eric Christopher <echristo@apple.com>
2011 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2012 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2013 (rs6000_handle_struct_attribute): New.
2014 (rs6000_ms_bitfield_layout_p): Ditto.
2016 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2018 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2019 NULL for dso parameter to atexit_common.
2021 2006-04-04 Eric Christopher <echristo@apple.com>
2023 * config/i386/i386.c (machopic_output_stub): Output \t
2024 between instructions and operands.
2026 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2028 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2029 satisfies_constraint_[IL] to explicit tests on value.
2031 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2033 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2034 set_nb_iterations_in_loop): Use build_int_cst instead of
2036 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2037 build_int_cst instead of convert.
2039 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2041 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2042 new value 2 for incoming.
2043 * function.c (expand_function_start): Call struct_value_rtx
2045 * config/sparc/sparc.md: Comment updated_return.
2046 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2047 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2048 struct return if sparc_std_struct_return and incoming is 2.
2049 (print_operand): Do not adjust return if
2050 sparc_std_struct_return.
2052 2006-04-04 Roger Sayle <roger@eyesopen.com>
2054 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2055 convert in the middle-end.
2056 * expr.c (store_expr, store_constructor, get_inner_reference,
2057 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2059 * tree.c (build_range_type): Likewise.
2061 2006-04-04 Tom Tromey <tromey@redhat.com>
2063 * doc/install.texi (Prerequisites): Mention jar.
2065 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2067 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2070 2006-04-04 Matthias Klose <doko@debian.org>
2072 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2073 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2076 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2078 * doc/extend.texi (Function Attributes): Rewrite visibility
2079 attribute documentation.
2080 * doc/invoke.texi (C++ Dialect Options): Rewrite
2081 -fvisibility-inlines-hidden documentation to describe something
2082 entirely different, although in practise compatible.
2083 (Code Gen Options): Warn about system headers in -fvisibiltity=
2086 * doc/extend.texi (Other Builtins): Document that
2087 __builtin_nan is a compile-time constant only when its argument
2090 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2092 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2093 trying to remove TRUNCATE check if all bits outside the new mode
2094 are identical to the sign bit.
2096 2006-04-03 Jeff Law <law@redhat.com>
2098 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2099 and operand scanning in some common cases.
2101 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2102 Dale Johannesen <dalej@apple.com>
2105 * regclass.c (struct reg_pref): Update documentation.
2106 (regclass): Set prefclass to NO_REGS if memory is the best option.
2107 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2108 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2109 into account. For non-registers, equate an empty preferred
2110 reload class to a `!' in the constraint; move the if clause to
2111 do so after those that reject the insn.
2112 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2114 (find_dummy_reload): Likewise.
2115 * doc/tm.texi (Register Classes): Document what it means
2116 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2117 * config/i386/i386.c (ix86_preferred_reload_class): Force
2118 using SSE registers (and return NO_REGS for floating-point
2119 constants) if math is done with SSE.
2120 (ix86_preferred_output_reload_class): New.
2121 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2122 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2123 * config/i386/i386.md: Remove # register preferences.
2125 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2128 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2129 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2130 the type of nb_iter.
2131 (instantiate_parameters_1): Convert the operands before calling
2132 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2133 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2135 2006-04-02 Roger Sayle <roger@eyesopen.com>
2137 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2138 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2140 * dojump.c (do_jump): Likewise.
2141 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2142 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2143 gimplify_boolean_expr): Likewise.
2144 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2145 * varasm.c (array_size_for_constructor): Likewise.
2146 * tree-object-size.c (compute_object_offset): Likewise.
2148 2006-04-02 Roger Sayle <roger@eyesopen.com>
2151 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2152 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2154 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2156 PR tree-optimization/26939
2157 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2159 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2161 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2162 at_stmt. Convert the type of operands before calling
2163 build_polynomial_chrec.
2164 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2166 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2167 (instantiate_parameters_1): Convert the type of operands before calling
2168 build_polynomial_chrec.
2169 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2170 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2171 reset_evolution_in_loop): Insert asserts to check the types of the
2173 (chrec_type): Moved...
2174 (eq_evolutions_p): Use operand_equal_p.
2175 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2176 the types of the operands.
2177 (chrec_type): ...here.
2178 * tree-data-ref.c (create_data_ref): Convert the operands before
2179 calling chrec_replace_initial_condition.
2180 (same_access_functions, analyze_subscript_affine_affine,
2181 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2182 (compute_subscript_distance, analyze_ziv_subscript,
2183 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2184 analyze_miv_subscript): Convert the operands before calling
2185 chrec_fold_minus or chrec_fold_plus.
2187 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2189 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2190 the dependence_relations vector.
2191 (compute_data_dependences_for_loop): Adjust call to
2192 compute_all_dependences.
2194 2006-04-01 Roger Sayle <roger@eyesopen.com>
2195 Richard Henderson <rth@redhat.com>
2197 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2198 gimple_boolify on the condition before calling gimplify_expr.
2200 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2202 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2203 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2204 the frame size. Update to use the new macros.
2205 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2206 * config/xtensa/ieee754-df.S: Likewise.
2208 2006-03-31 Richard Henderson <rth@redhat.com>
2210 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2211 (make_edges): ... here. Control fallthru creation with a local
2212 variable. Do not play with fake edges.
2213 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2214 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2217 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2219 * dwarf2.h (DW64_CIE_ID): Define.
2220 * dwarf2out.c (DWARF_CIE_ID): Define.
2221 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2222 length header. Use DWARF_CIE_ID.
2223 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2224 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2226 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2228 * config/sh/linux-atomic.asm: New file.
2229 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2231 2006-03-31 DJ Delorie <dj@redhat.com>
2233 * config/m32c/cond.md: Set condition flags properly throughout.
2234 * config/m32c/minmax.md: Likewise.
2235 * config/m32c/prologue.md: Likewise.
2236 * config/m32c/bitops.md: Likewise.
2237 * config/m32c/muldiv.md: Likewise.
2238 * config/m32c/mov.md: Likewise.
2239 * config/m32c/addsub.md: Likewise.
2240 * config/m32c/m32c.md: Likewise.
2241 * config/m32c/jump.md: Likewise.
2242 * config/m32c/shift.md: Likewise.
2244 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2245 conditionally output the pattern for this.
2246 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2247 (m32c_compare_redundant): New.
2248 (m32c_output_compare): New.
2249 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2251 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2252 dest, not src. Allow other 4-byte modes.
2254 2006-03-30 Denis Chertykov <denisc@overta.ru>
2256 * doc/md.texi: Refer to avr/constraints.md instead of
2259 2006-03-30 Roger Sayle <roger@eyesopen.com>
2261 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2262 signed vs. unsigned comparison failures on some hosts.
2264 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2267 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2268 change to FLOAT_REGS.
2270 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2271 (rs6000_override_options): Use it.
2272 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2273 only for -mabi=spe/no-spe and -mabi=altivec.
2275 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2277 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2280 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2282 * Makefile.in: Rename docdir to gcc_docdir.
2284 2006-03-30 Roger Sayle <roger@eyesopen.com>
2287 * expr.c (emit_group_store): Optimize group stores into a pseudo
2288 register by using a paradoxical subreg to initialize the destination
2289 if the first or last member of the group specifies a "low part".
2291 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2294 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2295 * target.h (struct gcc_target.speculate_insn): Change type of the
2296 second parameter to 'int'.
2297 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2298 the second operand of the DEPS_LIST.
2299 (copy_DEPS_LIST_list): Update reference to the second operand of the
2301 * rtl.h (alloc_DEPS_LIST): Update signature.
2302 * sched-int.h (ds_t): Change typedef to 'int'.
2303 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2305 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2307 * haifa-sched.c (try_ready): Change condition to restore
2308 non-speculative pattern of the instruction.
2309 (process_insn_depend_be_in_spec): Code to keep probability of the
2310 speculative dependence non-decreasing.
2312 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2314 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2315 (single_move_for_movmem): ... this. Also change all uses.
2316 (bfin_expand_strmov): Renamed to...
2317 (bfin_expand_movmem): ... this. Also change all uses.
2318 * config/bfin/bfin.md (movstrsi): Renamed to...
2319 (movstrsi): ...this.
2321 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2323 PR tree-optimization/26830
2325 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2326 (copy_prop_visit_stmt): Remove write-only variable ann.
2327 (init_copy_prop): Check variable loop depth here. Do not simulate
2328 memory-tag and virtual operand PHIs except for store copy prop.
2330 2006-03-30 Richard Guenther <rguenther@suse.de>
2332 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2333 variants with double arguments.
2335 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2337 * genpreds.c (write_tm_constrs_h): Delete variable p.
2338 * genconditions.c (write_header): Add tm-constrs.h to included
2340 * genpeep.c (main): Add toplev.h to included headers.
2341 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2342 (build/genpeep.o): Add toplev.h dependency.
2343 * config/rs6000/constraints.md: Add "W" constraint.
2345 2006-03-29 Roger Sayle <roger@eyesopen.com>
2347 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2348 sizes by correctly testing whether the size fits a host integer.
2349 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2350 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2351 SImode range for the default sizetype and bitsizetype.
2353 2006-03-29 Roger Sayle <roger@eyesopen.com>
2355 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2356 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2357 quickly if the argument is already of the correct type.
2358 Call fold_build1 instead of build1. Tidy up blank lines.
2360 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2362 * genemit.c (main): Add tm-constrs.h to included headers.
2363 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2364 * genpeep.c (main): Add tm-constrs.h to included headers.
2365 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2366 (write_tm_constrs_h): this and write complete file.
2367 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2368 (write_insn_preds_c): Add tm-constrs.h to included headers.
2369 (gen_constrs): New variable.
2370 (parse_option): Parse "-c".
2371 (main): Invoke write_tm_constrs_h.
2372 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2373 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2374 (object_out_file): Add tm-constrs.h dependency.
2375 (insn-emit.o): Same.
2376 (insn-output.o): Same.
2377 (insn-peep.o): Same.
2378 (insn-preds.o): Same.
2379 (insn-recog.o): Same.
2380 (tm-constsr.h): New target.
2381 (s-constrs-h): New target.
2383 * config/rs6000/constraints.md: New file.
2384 * config/rs6000/rs6000.c: Include tm-constrs.h.
2385 (num_insn_constant_wide): Convert to satisfies_constraint.
2386 (rs6000_rtx_costs): Convert to satisfies_constraint.
2387 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2388 (CONST_OK_FOR_LETTER_P): Delete.
2389 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2390 (EXTRA_CONSTRAINT): Delete.
2391 (EXTRA_MEMORY_CONSTRAINT): Delete.
2392 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2393 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2394 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2395 satisfies_constraint.
2397 * config/i386/i386.c: Include tm-constrs.h.
2399 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2401 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2402 * tree-data-ref.c (find_data_references_in_loop,
2403 compute_data_dependences_for_loop): Use pointers to VEC.
2404 (analyze_all_data_dependences): Adjust calls.
2405 * tree-data-ref.h (find_data_references_in_loop,
2406 compute_data_dependences_for_loop): Adjust declarations.
2407 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2408 compute_data_dependences_for_loop.
2410 2006-03-29 Paul Brook <paul@codesourcery.com>
2412 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2415 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2417 PR tree-optimization/26859
2418 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2420 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2421 for the step after fold_convert.
2423 2006-03-29 Paul Brook <paul@codesourcery.com>
2425 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2426 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2428 2006-03-29 Paul Brook <paul@codesourcery.com>
2431 * targhooks.c (default_narrow_bitfield): New fuction.
2432 * targhooks.h (default_narrow_bitfield): add prototype.
2433 * target.h (gcc_target): Add narrow_volatile_bitfield.
2434 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2435 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2436 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2437 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2439 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2441 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2443 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2444 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2445 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2446 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2447 (s390_function_arg_float): Allow SDmode and DDmode values to be
2448 passed in floating point registers.
2449 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2450 check with SCALAR_FLOAT_MODE_P.
2451 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2453 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2455 PR tree-optimization/25985
2456 * tree-ssa-loop-niter.c (number_of_iterations_le,
2457 number_of_iterations_ne): Make comments more precise.
2458 (number_of_iterations_cond): Add only_exit argument. Use the
2459 fact that signed variables do not overflow only when only_exit
2461 (loop_only_exit_p): New.
2462 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2463 number_of_iterations_cond.
2465 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2467 PR tree-optimization/26643
2468 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2471 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2473 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2474 (divsi3_i4_int): Likewise.
2476 2006-03-28 Roger Sayle <roger@eyesopen.com>
2478 * expr.c (emit_group_store): Only create a new pseudo reg if the
2479 quantity it needs to hold isn't already a suitable pseudo.
2481 2006-03-28 Jeff Law <law@redhat.com>
2483 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2484 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2486 2006-03-28 Roger Sayle <roger@eyesopen.com>
2488 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2489 the equivalent ~X & Y, and the symmetry related transformations.
2490 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2491 ~X & Y, and symmetry related transforms.
2493 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2495 Revert my 2006-03-27 patches.
2497 2006-03-28 Roger Sayle <roger@eyesopen.com>
2499 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2500 ~(T1)X, when T1 and T2 are integer types of the same precision
2501 and (T2)X isn't an extension.
2503 2006-03-28 Jeff Law <law@redhat.com>
2505 PR tree-optimization/26796
2506 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2507 need EH edge cleanups rather than purging them immediately.
2508 (eliminate_degenerate_phis): Handle queued EH cleanups.
2510 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2512 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2515 2006-03-27 Roger Sayle <roger@eyesopen.com>
2518 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2519 cast BIT_NOT_EXPR operand to the correct type.
2521 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2523 * tree-loop-linear.c: Don't include varray.h.
2524 (gather_interchange_stats, try_interchange_loops,
2525 linear_transform_loops): Use VEC instead of VARRAY.
2526 * lambda-mat.c: Don't include varray.h.
2527 * tree-chrec.c: Same.
2528 * lambda-trans.c: Same.
2529 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2530 VEC instead of VARRAY.
2531 * tree-vectorizer.h: Idem.
2532 * tree-data-ref.c (dump_data_references,
2533 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2534 initialize_data_dependence_relation, finalize_ddr_dependent,
2535 compute_all_dependences, find_data_references_in_loop,
2536 compute_data_dependences_for_loop, analyze_all_data_dependences,
2537 free_dependence_relation, free_dependence_relations,
2538 free_data_refs): Idem.
2539 * tree-data-ref.h (data_reference_p, subscript_p): New.
2540 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2541 VEC instead of VARRAY.
2542 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2543 (find_data_references_in_loop, compute_data_dependences_for_loop,
2544 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2545 dump_data_dependence_relations, free_dependence_relations,
2546 free_data_refs): Adjust declaration.
2547 (lambda_transform_legal_p): Move declaration here...
2548 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2549 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2550 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2551 vect_analyze_data_refs): Use VEC instead of VARRAY.
2552 * lambda.h (lambda_transform_legal_p): ...from here.
2553 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2554 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2555 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2556 tree-chrec.o): Don't depend on VARRAY_H.
2558 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2560 * rtl.def (Copyright): Update date.
2561 (DEPS_LIST): Change type of the second operand to 'int'.
2562 * target.h (Copyright): Update date.
2563 (struct gcc_target.speculate_insn): Change type of the second parameter
2565 * lists.c (Copyright): Update date.
2566 (alloc_DEPS_LIST): Change signature. Update reference to the second
2567 operand of the DEPS_LIST.
2568 (copy_DEPS_LIST_list): Update reference to the second operand of the
2570 * rtl.h (Copyright): Update date.
2571 (alloc_DEPS_LIST): Update signature.
2572 * sched-int.h (Copyright): Update date.
2573 (ds_t): Change typedef to 'int'.
2574 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2576 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2578 * haifa-sched.c (Copyright): Update date.
2579 (try_ready): Change condition to restore non-speculative pattern
2581 (process_insn_depend_be_in_spec): Code to keep probability of the
2582 speculative dependence non-decreasing.
2584 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2586 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2587 shut up the compiler.
2589 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2591 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2592 to use lib prefix for target.
2593 ($(T)libic_invalidate_array_4-200.a): Likewise.
2594 ($(T)libic_invalidate_array_4a.a): Likewise.
2596 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2597 J"orn Rennecke <joern.rennecke@st.com>
2599 * superh.opt: New file.
2600 * sh.c (boardtype, osruntime): Remove.
2601 * superh.h (SUBTARGET_OPTIONS): Remove.
2602 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2604 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2605 arguments with ^ and/or [].
2607 * config.gcc (sh-*-*): Add quoting to account for quirk of
2609 Replace == with = in enable_incomplete_targets test.
2611 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2612 with MASK_LITTLE_ENDIAN.
2614 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2615 * config/sh/sh.opt: Added to some comments.
2616 * config/sh/superh.h: Removed some chaff.
2618 * config/sh/sh.opt: Add m4-[1234]00* options.
2619 * config/sh/sh.c (sh_handle_option): Likewise.
2620 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2621 (ic_invalidate_array_4-100.o): New rule.
2622 ($(T)libic_invalidate_array_4-100.a): Likewise.
2623 (ic_invalidate_array_4-200.o): Likewise.
2624 ($(T)libic_invalidate_array_4-200.a): Likewise.
2625 (ic_invalidate_array_4a.o): Likewise.
2626 ($(T)libic_invalidate_array_4a.a): Likewise.
2627 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2628 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2630 * config/sh/crt1.asm: Merged in profiling code.
2631 * config/sh/superh.h (STARTFILE_SPEC): Override.
2632 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2633 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2634 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2636 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2637 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2638 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2640 * sh.opt (mpretend-cmove): New option.
2641 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2642 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2643 (movsicc): Add TARGET_PRETEND_CMOVE code.
2645 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2647 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2648 s390_class_max_nregs): New function prototypes.
2649 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2650 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2651 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2652 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2654 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2656 * dwarf2out.c (add_location_or_const_value_attribute): Call
2657 tree_add_const_value_attribute if nothing else works.
2658 (reference_to_unused): New.
2659 (rtl_for_decl_init): Use reference_to_unused to decide whether
2660 to output an initializer.
2662 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2665 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2666 peephole removing spe frob_di_df_2.
2668 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2670 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2671 (subscript_dependence_tester_1): Declared.
2672 (print_dir_vectors, print_dist_vectors): New.
2673 (debug_data_dependence_relation): New.
2674 (dump_data_dependence_relation): Print more details.
2675 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2676 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2677 (save_dist_v, save_dir_v, add_outer_distances,
2678 build_classic_dist_vector_1): New.
2679 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2680 Don't test for lambda_vector_lexico_pos.
2681 (same_access_functions, add_multivariate_self_dist,
2682 add_other_self_distances, dir_from_dist): New.
2683 (build_classic_dir_vector): Replace implementation almost identical to
2684 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2686 (subscript_dependence_tester_1): New.
2687 (subscript_dependence_tester): Handle the lexicographically negative
2688 distance vectors by recomputing the dependence relation.
2689 (compute_affine_dependence): Remove parameter loop_nest_depth.
2690 (compute_self_dependence): Don't call compute_subscript_distance.
2691 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2692 Add a parameter for the loop_nest.
2693 (find_loop_nest_1, find_loop_nest): New.
2694 (compute_data_dependences_for_loop): Compute the loop nest, and give
2695 up if the nest is not well formed.
2696 * tree-data-ref.h (loop_p): New.
2697 (struct data_dependence_relation): Replace size_vect field with
2698 loop_nest, a vec of loops.
2699 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2700 (DDR_LOOP_NEST): New.
2701 (print_dir_vectors, print_dist_vectors,
2702 debug_data_dependence_relation): Declared.
2703 (index_in_loop_nest): New.
2704 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2705 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2708 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2710 * simplify-rtx.c (simplify_relational_operation): Call
2711 simplify_relational_operation_1 even if mode is VOIDmode.
2713 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2715 PR tree-optimization/26804
2716 * tree.h (DECL_CALL_CLOBBERED): New macro.
2717 (tree_decl_common): Add call_clobbered_flag.
2718 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2719 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2720 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2721 (mark_non_addressable): Ditto.
2722 * tree-ssa.c (verify_call_clobbered): New function.
2723 (verify_alias_info): Use it.
2724 * tree-pass.h (pass_reset_cc_flags): New prototype.
2725 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2726 (reset_cc_flags): New function.
2727 * passes.c (init_optimization_passes): Call reset_cc_flags after
2728 initializing referenced_vars.
2730 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2731 Roger Sayle <roger@eyesopen.com>
2734 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2735 to 1.0 for non-real operands. Implement A / A optimization for
2738 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2740 * config/i386/i386.c (size_cost): Correct the comment for
2741 cost of storing fp registers.
2742 (i386_cost): Likewise.
2743 (i486_cost): Likewise.
2744 (pentium_cost): Likewise.
2745 (pentiumpro_cost): Likewise.
2746 (k6_cost): Likewise.
2747 (athlon_cost): Likewise.
2748 (k8_cost): Likewise.
2749 (pentium4_cost): Likewise.
2750 (nocona_cost): Likewise.
2751 (generic64_cost): Likewise.
2752 (generic32_cost): Likewise.
2754 2006-03-24 Denis Chertykov <denisc@overta.ru>
2756 * config/avr/avr-protos.h (extra_constraint): Delete.
2757 (extra_constraint_Q): New declaration.
2758 * config/avr/constraints.md: New file.
2759 * config/avr/avr.md: Include it.
2760 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2761 (TMP_REGNO, ZERO_REGNO): Likewise.
2762 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2763 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2764 (extra_constraint): Delete.
2765 (extra_constraint_Q): Test for memory constraint 'Q'.
2766 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2767 (REG_CLASS_FROM_LETTER): Delete.
2768 (CONST_OK_FOR_LETTER_P): Delete.
2769 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2770 (EXTRA_CONSTRAINT): Delete.
2771 (TMP_REGNO): Delete.
2772 (ZERO_REGNO): Delete.
2774 2006-03-24 Jeff Law <law@redhat.com>
2776 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2777 directly. Call mark_new_vars_to_rename slightly earlier.
2779 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2781 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2783 (gen_compile_unit_die): Use new language types for Objective-C and
2785 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2786 DW_LANG_C_plus_plus.
2789 * config/t-darwin (crt3.o): Work around bug 26840.
2790 * config/darwin-crt3.c: Rewrite.
2791 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2793 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2795 * doc/invoke.texi: Document -femit-class-debug-always
2796 * common.opt: Add -femit-class-debug-always.
2798 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2800 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2801 index and base register.
2802 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2803 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2804 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2805 REGNO_OK_FOR_INDEX_P.
2806 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2808 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2809 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2810 REG_OK_FOR_BASE_P): Definitions removed.
2812 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2815 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2816 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2817 set yet or weren't marked as local yet.
2819 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2821 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2824 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2826 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2827 (rs6000_legitimate_small_data_p): Delete.
2828 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2829 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2830 and make static. Add forward declaration. Update uses.
2831 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2832 of offsettable_memref_p.
2833 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2834 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2836 2006-03-24 Jeff Law <law@redhat.com>
2838 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2839 around bug in immediate-use iterator.
2841 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2844 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2845 or __LITTLE_ENDIAN__.
2847 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2849 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2850 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2851 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2852 * config/sh/sh.opt (mdiv=): Amend description.
2853 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2854 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2855 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2856 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2857 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2858 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2859 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2860 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2861 TARGET_DIVIDE_CALL_FP.
2863 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2865 * haifa-sched.c (choose_ready): Fix type of the local variable.
2866 Move local variables. Add comment.
2867 (check_reg_live): Change signature. Make callable from debugger.
2868 * sched-int.h (check_reg_live): Update signature.
2869 * sched-ebb.c (check_reg_live): Update parameters.
2870 * sched-rgn.c (check_reg_live): Ditto.
2871 (region_head_or_leaf_p): Check pointer before dereferencing.
2872 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2873 before reload on optimization levels below 1.
2875 2006-03-23 Richard Henderson <rth@redhat.com>
2877 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2881 * config/alpha/predicates.md (local_symbolic_operand): Reject
2884 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2887 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2888 expressions which have overflowed constants.
2890 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2892 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2894 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2896 * cfgloopmanip.c (create_loop_notes): Removed.
2897 * final.c (final_scan_insn): Do not handle loop notes.
2898 * jump.c (squeeze_notes): Ditto.
2899 * cfglayout.c (skip_insns_after_block,
2900 duplicate_insn_chain): Ditto.
2901 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2903 * cfgloop.h (create_loop_notes): Declaration removed.
2905 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2907 * varasm.c (output_constant_pool): Restore fnname and fndecl
2909 (assemble_start_function): Adjust call accordingly.
2910 (assemble_end_function): Likewise.
2912 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2915 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2918 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2920 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2923 * system.h (ICE_EXIT_CODE): New macro.
2924 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2925 (diagnostic_action_after_output): Likewise.
2926 * gcc.c (fatal_ice): New function.
2927 (execute): Use it instead of fatal.
2928 (fancy_abort): Likewise.
2929 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2931 2006-03-22 Jeff Law <law@redhat.com>
2933 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2934 iv_analyze_result returning false.
2936 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2938 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2940 2006-03-22 Richard Henderson <rth@redhat.com>
2943 * except.c (duplicate_eh_regions_0): New.
2944 (duplicate_eh_region_1): Duplicate the children of the node as
2945 well as the node itself. Link them up properly.
2946 (duplicate_eh_region_2): Merge into ...
2947 (duplicate_eh_regions): ... here. Take copy_region argument, and
2948 copy only a sub-tree if asked. Simplify copying and fixup.
2949 (eh_region_outer_p): New.
2950 * except.h (duplicate_eh_regions): Update decl.
2951 (eh_region_outer_p): Declare.
2952 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2953 (lower_omp_master): Likewise.
2954 (lower_omp_ordered): Likewise.
2955 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2956 (move_stmt_r): Use it to remap labels. Handle recursion vs
2957 remap_decls_p properly.
2958 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2959 (find_outermost_region_in_block): New.
2960 (new_label_mapper): New.
2961 (move_sese_region_to_fn): Copy eh information to the new function
2963 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2965 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2968 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2970 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2971 into shared libraries.
2973 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2975 * doc/md.texi: Refer to i386/constraints.md instead of
2977 * config/i386/constraints.md: New file, extracted from...
2978 * config/i386/predicates.md: ...here.
2979 * config/i386/i386.md: Include constraints.md.
2981 2006-03-21 Jason Merrill <jason@redhat.com>
2983 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2986 * expr.c (init_block_move_fn): Force default visibility.
2987 (init_block_clear_fn): Likewise.
2988 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2989 * targhooks.c (default_external_stack_protect_fail): Likewise.
2991 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2993 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2994 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2995 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2996 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2997 (loadgp): Use mips_current_loadgp_style.
2998 (loadgp_noshared): New pattern.
2999 (sibcall_internal): Use MIPS_CALL.
3000 (sibcall_value_internal): Likewise.
3001 (sibcall_value_multiple_internal): Likewise.
3002 (call_internal): Likewise.
3003 (call_value_internal): Likewise.
3004 (call_value_multiple_internal): Likewise.
3005 (call_split): Use MIPS_CALL and add an 'S' constraint.
3006 (call_value_split): Likewise.
3007 (call_value_multiple_split): Likewise.
3008 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3009 (-mshared): New option.
3010 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3011 (mips_current_loadgp_style): Declare.
3012 * config/mips/mips.c (mips_classify_symbol): Avoid using
3013 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3014 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3015 TARGET_ABSOLUTE_ABICALLS.
3016 (override_options): Adjust comments. Improve the warning that is
3017 issued when -mabicalls and -G are used together.
3018 (mips_file_start): Remove comment.
3019 (mips_current_loadgp_style): New function.
3020 (mips_gnu_local_gp): New variable.
3021 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3023 (mips_output_function_prologue): Use mips_current_laodgp_style.
3024 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3025 the cprestore instruction.
3026 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3027 live for TARGET_ABSOLUTE_ABICALLS.
3028 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3029 (ASM_SPEC): Pass down -mshared and -mno-shared.
3030 (MIPS_CALL): New macro.
3031 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3033 * doc/invoke.texi (-mabicalls): Update documentation.
3034 (-mshared): Document.
3036 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3038 * config/ia64/unwind-hpux.c: New file.
3039 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3041 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3044 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3046 2006-03-21 Jeff Law <law@redhat.com>
3048 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3049 type conversions of a VR_VARYING source to a wider type.
3051 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3053 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3054 tm_file on Solaris 10 and later.
3055 (sparc64-*-solaris2*): Likewise.
3056 (sparc-*-solaris2*): Likewise.
3057 * config/sol26.h: Rename to config/sol2-6.h.
3058 * config/sol2-10.h: New file.
3060 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3063 * tree-ssa-pre.c (create_component_ref_by_pieces):
3066 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3069 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3070 return it immediately.
3072 2006-03-21 Michael Matz <matz@suse.de>
3074 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3076 (remove_arc, add_arc): Update num_out_arcs member.
3077 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3079 (cache_presence): New function.
3080 (compare_states_for_equiv): New function.
3081 (state_is_differed): Don't take number of outargs, adjust callers.
3082 Use new invariant for speeding up.
3083 (init_equiv_class): Create initial classes based on sorted
3085 (partition_equiv_class): Don't track out_arcs_num.
3086 (evaluate_equiv_classes): Call cache_presence on all states and
3089 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3091 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3092 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3093 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3094 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3096 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3097 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3098 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3099 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3100 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3102 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3103 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3104 (REGNO_REG_CLASS): ARGP is in PREGS.
3105 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3107 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3108 to deal with those addresses.
3109 * addresses.h: New file.
3110 * caller-save.c: Include "addresses.h".
3111 (init_caller_save): Use new base_reg_class function.
3112 * rtl-factoring.c: Include "addresses.h".
3113 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3114 * recog.c: Include "addresses.h".
3115 (preprocess_constraints): Use new base_reg_class function.
3116 * regrename.c: Include "addresses.h".
3117 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3118 functions. Keep track of a new var INDEX_CODE to compute valid
3120 (replace_oldest_value_addr): Likewise.
3121 (replace_oldest_value_mem): Use base_reg_class.
3122 * reload.c: Include "addresses.h".
3123 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3124 (find_reloads): Use new base_reg_class function.
3125 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3126 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3127 all callers and prototype changed.
3128 * reload1.c: Include "addresses.h".
3129 (maybe_fix_stack_asms): Use base_reg_class.
3130 * regclass.c: Include "addresses.h".
3131 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3132 (init_reg_autoinc): Use new base_reg_class function.
3133 (record_reg_classes): Likewise.
3134 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3135 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3136 Use new args to compute necessary class.
3138 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3139 regrename.o, rtl-factoring.o): Update dependencies.
3140 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3141 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3142 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3143 REG_OK_FOR_INDEX_P): Delete documentation.
3145 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3147 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3148 from V7 to V9 for Solaris 7 and above.
3150 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3152 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3153 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3154 argument pointers may not alias any other storage.
3155 * common.opt: Define option -fargument-noalias-anything.
3156 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3157 alias semantics is specified by flag_argument_noalias > 2.
3159 2006-03-20 Jeff Law <law@redhat.com>
3161 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3162 (pass_phi_only_cprop): Declare.
3163 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3165 * tree-ssa-dom.c (degenerate_phi_result): New function.
3166 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3167 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3168 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3169 (eliminate_degenerate_phis): Likewise.
3170 (pass_phi_only_cprop): New pass descriptor.
3171 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3172 support code. Callers updated.
3173 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3174 (store_copy_prop): Likewise.
3175 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3177 2006-03-20 Jason Merrill <jason@redhat.com>
3180 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3181 (push_visibility, pop_visibility): Likewise.
3182 * c-pragma.h: Declare them.
3184 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3186 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3188 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3189 parameter and use get_ebb_head_tail.
3190 (sh_md_init_global): Adjust uses of find_regmode_weight.
3192 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3194 * function.h (struct function) <x_tail_recursion_reentry>:
3195 Rename to x_stack_check_probe_note.
3196 (tail_recursion_reentry): Rename to stack_check_probe_note.
3197 * function.c: Replace tail_recursion_reentry with
3198 stack_check_probe_note everywhere.
3199 (expand_function_start): Only emit a note for
3200 stack_check_probe_note with -fstack-protect.
3201 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3203 * emit-rtl.c (remove_unnecessary_notes): Remove.
3204 (pass_remove_unnecessary_notes): Remove.
3205 * rtl.h (remove_unnecessary_notes): Remove prototype.
3206 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3207 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3208 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3210 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3213 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3214 (valid_in_set): Handle ARRAY_REF.
3215 Change "if min_variant or VH" to asserts.
3216 (create_component_ref_by_pieces): Handle ARRAY_REF.
3217 (create_expression_by_pieces): Likewise.
3218 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3220 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3222 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3223 is operand of switch, not str[0].
3225 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3227 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3228 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3230 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3232 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3233 end of insn_extra_address_constraint declaration.
3235 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3237 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3238 (no-sum-in-toc): Same.
3239 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3241 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3242 NO_FP_IN_TOC for -fPIC instead of mask.
3244 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3245 (BOOT_LDFLAGS): Delete.
3247 * config/rs6000/t-aix52: Same.
3249 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3250 (stmsi[345678]_power): New.
3252 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3254 * config/ia64/ia64.opt: Add empty line to end of file.
3256 2006-03-17 Richard Guenther <rguenther@suse.de>
3259 * builtins.c (get_pointer_alignment): For component style references
3260 adjust alignment to the component type alignment. Make sure
3261 to adjust alignment for component access of constants.
3263 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3265 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3268 2006-03-17 Paul Brook <paul@codesourcery.com>
3270 * doc/install.texi: Docuemnt --with-mode.
3271 * config.gcc: Add --with-mode for arm*-*-*.
3272 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3274 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3276 * sh.c (max_labelno_before_reorg): New variable.
3277 (sh_reorg): Initialize it.
3278 (find_barrier): Check max_labelno_before_reorg before using
3279 label_to_alignment. Take length of explicit alignment insns
3280 into account. When seeing a UNSPECV_CONST_END, return it.
3282 * sh.c (fixup_mova): Set mode of affected label to QImode.
3283 (untangle_mova): New function.
3284 (find_barrier): Use it. Check mode of label before decrementing
3286 (sh_reorg): Likewise.
3287 Set mode of all insns back to VOIDmode.
3289 * sh.c (MOVA_LABELREF): New macro.
3290 (mova_p, fixup_mova, sh_reorg): Use it.
3291 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3292 ADDR_DIFF_VEC matches mova.
3294 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3296 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3297 with ATTRIBUTE_UNUSED.
3299 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3301 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3302 pointer, instead of assuming it is possible to derive the
3303 correct args size from a call insn.
3305 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3307 * rtl.h (CONST_INT_P): Define.
3308 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3309 instead of GET_CODE(x) == CONST_INT.
3310 (vax_rtx_costs): Likewise.
3311 (vax_output_int_move): Likewise.
3312 (vax_output_int_add): Likewise.
3313 (legitimate_constant_address_p): Likewise.
3314 (index_term_p): Likewise.
3315 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3316 * config/vax/vax.md (and<mode>3): Likewise.
3317 (ashrsi3): Likewise.
3319 (movstricthi): Likewise.
3320 (movstrictqi): Likewise.
3321 (rotrsi3): Likewise.
3322 (five unnamed insns): Likewise.
3324 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3326 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3327 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3328 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3329 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3330 Pass to ASM_OUTPUT_DWARF_OFFSET.
3331 * dwarf2out.c (debug_frame_section): New.
3332 (output_call_frame_info): Use debug_frame_section. Pass it to
3333 dw2_asm_output_offset.
3334 (output_die): Pass appropriate section to dw2_asm_output_offset.
3335 (output_compilation_unit_header): Likewise.
3336 (output_pubnames): Likewise.
3337 (output_aranges): Likewise.
3338 (enum dw_val_class): Break dw_val_class_lbl_offset into
3339 dw_val_class_lineptr and dw_val_class_macptr.
3340 (add_AT_lbl_offset): Delete.
3341 (add_AT_lineptr): New.
3342 (add_AT_macptr): New.
3343 (AT_lbl): Expect a lineptr or macptr.
3344 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3345 (attr_checksum): Likewise.
3346 (same_dw_val_p): Likewise.
3347 (size_of_die): Likewise.
3348 (value_format): Likewise.
3349 (output_die): Likewise.
3350 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3352 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3353 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3354 * config/darwin-protos.h (darwin_file_start): New.
3355 (darwin_asm_output_dwarf_offset): New.
3356 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3357 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3359 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3360 if not EH section; simplify.
3361 (darwin_file_start): New.
3362 (darwin_asm_output_dwarf_offset): New.
3363 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3365 (DEBUG_INFO_SECTION): Likewise.
3366 (DEBUG_ABBREV_SECTION): Likewise.
3367 (DEBUG_ARANGES_SECTION): Likewise.
3368 (DEBUG_MACINFO_SECTION): Likewise.
3369 (DEBUG_LINE_SECTION): Likewise.
3370 (DEBUG_LOC_SECTION): Likewise.
3371 (DEBUG_PUBNAMES_SECTION): Likewise.
3372 (DEBUG_STR_SECTION): Likewise.
3373 (DEBUG_RANGES_SECTION): Likewise.
3374 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3375 (ASM_OUTPUT_DWARF_OFFSET): New.
3377 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3379 * config.gcc (tm_defines): Always add to previous value rather
3382 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3384 * config/mips/predicates.md (splittable_const_int_operand): New,
3385 split from move_operand.
3386 (splittable_symbolic_operand): New.
3387 (move_operand): Add commentary. Use splittable_const_int_operand.
3388 Inline mips_atomic_symbolic_constant_p.
3389 * config/mips/mips.md: Add combine splitters for handling moves
3390 of splittable_const_int_operands and splittable_symbolic_operands.
3391 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3392 (mips_split_symbol): Declare.
3393 (mips_move_integer): Declare.
3394 * config/mips/mips.c (mips_split_p): Make global.
3395 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3396 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3397 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3398 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3399 (mips_offset_within_object_p): Handle block symbols.
3400 (mips_atomic_symbolic_constant_p): Delete.
3401 (mips_cannot_force_const_mem): Return false for constants that
3402 mips_legitimize_move can handle.
3403 (mips_use_blocks_for_constant_p): New function.
3404 (mips_split_symbol): Make global.
3405 (mips_move_integer): Likewise. Add a temporary register argument.
3406 (mips_legitimize_const_move): Use splittable_const_int_operand and
3407 splittable_symbolic_operand.
3408 (mips_use_anchors_for_symbol_p): New function.
3409 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3410 (mips_split_p): Declare.
3412 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3414 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3415 (mips*-*-linux*): Likewise.
3417 2006-03-16 Roger Sayle <roger@eyesopen.com>
3418 Daniel Speyer <dspeyer@wam.umd.edu>
3421 * tree-dump.c (dump_real): New function.
3422 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3423 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3424 (tree-dump.o): Add $(REAL_H) to the dependencies.
3426 2006-03-16 Roger Sayle <roger@eyesopen.com>
3429 * real.c (real_from_string): If the mantissa is zero, don't bother
3430 parsing the exponent as the result should always be zero.
3432 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3434 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3436 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3438 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3439 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3440 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3441 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3442 ia64_sched_finish_global): New static functions to implement
3443 hooks from gcc_target.sched.
3444 (spec_check_no, max_uid, pending_data_specs): New static variables.
3445 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3446 ia64_spec_check_src_p): New static functions.
3447 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3448 (TARGET_SCHED_ADJUST_COST): Removed.
3449 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3450 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3451 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3452 TARGET_SCHED_GEN_CHECK,
3453 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3454 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3455 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3456 Fixed to handle speculation checks.
3457 (rtx_needs_barrier): Fixed to handle speculative loads and
3459 (ia64_variable_issue): Added code to count speculative loads and their
3461 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3463 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3465 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3467 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3468 (ia64_reorg): Reset stops_p to NULL after it is freed.
3469 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3470 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3471 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3473 (data_speculative, control_speculative, check_load): New attributes.
3474 (mov<mode>_advanced, mov<mode>_speculative,
3475 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3476 zero_extend<mode>di2_speculative,
3477 zero_extend<mode>di2_speculative_advanced): New patterns for
3478 data and control speculative loads.
3479 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3481 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3482 New pattern for data and control speculation checks.
3483 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3484 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3485 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3486 Auxiliary definitions for the patterns.
3487 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3488 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3490 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3492 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3493 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3494 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3495 New resource constraints.
3496 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3498 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3499 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3500 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3501 msched-in-control-spec, msched-ldc, msched-control-ldc,
3502 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3503 msched-prefer-non-control-spec-insns,
3504 msched-count-spec-in-critical-path): New flags to tune speculative
3506 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3507 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3508 msched-in-control-spec, msched-ldc, msched-control-ldc,
3509 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3510 msched-prefer-non-control-spec-insns,
3511 msched-count-spec-in-critical-path): Document new flags.
3513 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3515 * target.h (struct spec_info_def): New opaque declaration.
3516 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3517 speculate_insn, needs_block_p, gen_check,
3518 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3519 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3520 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3521 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3522 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3523 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3525 (TARGET_SCHED): Use new macros.
3526 * rtl.h (copy_DEPS_LIST_list): New prototype.
3527 * sched-int.h (struct sched_info): Change signature of new_ready field,
3528 adjust all initializations. New fields: add_remove_insn,
3529 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3530 region_head_or_leaf_p.
3531 (struct spec_info_def): New structure declaration.
3532 (spec_info_t): New typedef.
3533 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3534 recovery_block, orig_pat.
3535 (glat_start, glat_end): New variables declaraions.
3536 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3538 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3539 DETACH_LIFE_INFO, USE_GLAT.
3540 (enum SPEC_SCHED_FLAGS): New enumeration.
3541 (NOTE_NOTE_BB_P): New macro.
3542 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3543 attach_life_info, debug_spec_status, check_reg_live): New functions.
3544 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3545 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3547 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3548 * ddg.c (get_block_head_tail): Adjust all uses.
3549 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3550 (sms_sched_info): Initialize new fields.
3551 (contributes_to_priority): Removed.
3552 * haifa-sched.c (params.h): New include.
3553 (get_block_head_tail): Adjust all uses.
3554 (ISSUE_POINTS): New macro.
3555 (glat_start, glat_end): New global variables.
3556 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3557 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3558 old_last_basic_block, before_recovery, current_sched_info_var,
3559 rgn_n_insns, luid): New static variables.
3560 (insn_cost1): New function. Move logic from insn_cost to here.
3561 (find_insn_reg_weight1): New function. Move logic from
3562 find_insn_reg_weight to here.
3563 (reemit_notes, move_insn, max_issue): Change signature.
3564 (move_insn1): Removed.
3565 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3566 extend_bb): New static functions to support extension of scheduler's
3568 (generate_recovery_code, process_insn_depend_be_in_spec,
3569 begin_speculative_block, add_to_speculative_block,
3570 init_before_recovery, create_recovery_block, create_check_block_twin,
3571 fix_recovery_deps): New static functions to support
3572 generation of recovery code.
3573 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3574 restore_bb_notes, move_block_after_check, move_succs): New static
3575 functions to support ebb scheduling.
3576 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3577 functions to support handling of register live information.
3578 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3579 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3580 add_jump_dependencies): New static functions.
3581 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3582 consistancy checking.
3583 (debug_spec_status): New function to call from debugger.
3584 (priority): Added code to handle speculation checks.
3585 (rank_for_schedule): Added code to distinguish speculative instructions.
3586 (schedule_insn): Added code to handle speculation checks.
3587 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3588 Fixed to handle ebbs.
3589 (move_insn): Added code to handle ebb scheduling.
3590 (max_issue): Added code to use ISSUE_POINTS of instructions.
3591 (choose_ready): Added code to choose between speculative and
3592 non-speculative instructions.
3593 (schedule_block): Added code to handle ebb scheduling and scheduling of
3594 speculative instructions.
3595 (sched_init): Initialize new variables.
3596 (sched_finish): Free new variables. Print statistics.
3597 (try_ready): Added code to handle speculative instructions.
3598 * lists.c (copy_DEPS_LIST_list): New function.
3599 * sched-deps.c (extend_dependency_caches): New function. Move logic
3600 from create_dependency_caches to here.
3601 (get_dep_weak, ds_merge): Make global.
3602 * genattr.c (main): Code to output prototype for
3603 dfa_clear_single_insn_cache.
3604 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3605 (output_dfa_clean_insn_cache_func): Code to output
3606 dfa_clear_single_insn_cache function.
3607 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3609 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3611 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3612 New static variables.
3613 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3614 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3616 (ebb_sched_info): Initialize new fields.
3617 (get_block_head_tail): Adjust all uses.
3618 (compute_jump_reg_dependencies): Fixed to use glat_start.
3619 (schedule_ebb): Code to remove unreachable last block.
3620 (schedule_ebbs): Added code to update register live information.
3621 * sched-rgn.c (region_sched_info): Initialize new fields.
3622 (get_block_head_tail): Adjust all uses.
3623 (last_was_jump): Removed. Adjust users.
3624 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3625 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3626 Implement new hooks.
3627 (check_dead_notes1): New static function.
3628 (struct region): New fields: dont_calc_deps, has_real_ebb.
3629 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3630 (BB_TO_BLOCK): Fixed to handle EBBs.
3631 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3632 (ebb_head): New static variable.
3633 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3634 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3636 (compute_dom_prob_ps): New assertion.
3637 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3638 global_live_at_start.
3639 (init_ready_list): New assertions.
3640 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3641 (new_ready): Add support for BEGIN_CONTROL speculation.
3642 (schedule_insns): Fixed code that updates register live information
3644 (schedule_region): Fixed to handle EBBs.
3645 (init_regions): Use extend_regions and check_dead_notes1.
3646 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3647 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3648 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3649 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3650 TARGET_SCHED_GEN_CHECK,
3651 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3652 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3653 * doc/invoke.texi (max-sched-insn-conflict-delay,
3654 sched-spec-prob-cutoff): Document.
3656 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3658 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3659 inter_tick, queue_index.
3660 (struct sched_info): Change signature of init_ready_list field.
3661 Adjust all initializations.
3662 (RESOLVED_DEPS): New access macro.
3663 (ready_add): Remove prototype.
3664 (try_ready): Add prototype.
3665 * sched-rgn.c (init_ready_list): Use try_ready.
3666 (schedule_region): Initialize
3667 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3668 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3669 (init_ready_list): Use try_ready.
3670 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3671 * lists.c (remove_list_elem): Remove `static'.
3672 (remove_free_INSN_LIST_elem): New function.
3673 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3674 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3675 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3677 (readyp): New variable.
3678 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3679 change_queue_index, resolve_dep): New static functions.
3680 (try_ready): New function. Adjust callers in sched-rgn.c and
3681 sched-ebb.c to use it instead of ready_add.
3682 (clock_var): Move at the begining of file.
3683 (rank_for_schedule): Fix typo.
3684 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3685 (ready_lastpos): Enforce assertion.
3686 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3688 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3689 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3690 (queue_to_ready): Use free_INSN_LIST_list.
3691 (early_queue_to_ready): Fix typo.
3692 (schedule_block): Init readyp. Move init_ready_list call after the
3693 initialization of clock_var. Fix error in rejecting insn by
3694 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3695 that previously corrected INSN_TICKs. Add code for handling
3697 (set_priorities): Fix typo.
3698 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3699 Clarify comment and code that keeps current_sched_info->next_tail
3702 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3704 * sched-rgn.c (extend_rgns): New static function.
3705 (find_rgns): Use it.
3706 (gather_region_statistics, print_region_statistics): New static
3708 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3709 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3711 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3712 Andrey Belevantsev <abel@ispras.ru>
3714 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3715 * lists.c (unused_deps_list): New variable.
3716 (free_list): Add assertions to verify the proper distinguishing
3717 between INSN_LISTs and DEPS_LISTs.
3718 (find_list_elem, remove_list_elem, remove_list_node): New static
3720 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3721 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3722 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3723 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3725 (free_INSN_LIST_node): Likewise.
3726 * modulo-sched.c (current_sched_info): Initialize flags field.
3727 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3728 * rtl.def (DEPS_LIST): Define.
3729 * rtl.h: Declare new functions from lists.c.
3730 * sched-deps.c (spec_dependency_cache): New static variable.
3731 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3732 (add_dependence): Change return type to void. Move the logic to ...
3733 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3734 (delete_all_dependences): Add comment about forward_dependency_cache.
3735 Handle spec_dependency_cache. Handle DEPS_LISTs.
3736 (fixup_sched_groups): Clarify the change of priority of output
3737 and anti dependencies.
3738 (sched_analyze_2): Adjust add_dependence calls to create data
3739 speculative dependence.
3740 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3741 Adjust all callers. Handle DEPS_LISTS.
3742 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3743 presence of speculation.
3744 (init_dependency_caches, free_dependency_caches):
3745 Handle spec_dependency_cache.
3746 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3747 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3748 New static functions.
3749 (add_or_update_back_dep, add_or_update_back_forw_dep,
3750 add_back_forw_dep, delete_back_forw_dep): New functions.
3751 * sched-int.h (ds_t, dw_t): New typedefs.
3752 (struct sched_info): Add new field flags.
3753 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3754 Prototype new sched-deps.c functions.
3755 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3756 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3757 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3758 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3759 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3760 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3762 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3764 * sched-rgn.c (current_sched_info): Initialize flags field.
3765 (schedule_insns): Initialize current_sched_info before the sched_init
3767 * sched-ebb.c (current_sched_info): Initialize flags field.
3768 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3769 Call add_or_update_back_dep instead of add_dependence.
3770 Create control speculative dependencies.
3771 (schedule_insns): Initialize current_sched_info before the sched_init
3774 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3776 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3778 (sh_fallback_frame_state): Likewise.
3780 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3782 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3783 Do switch on default_use_cxa_atexit.
3784 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3785 * config/darwin-crt3.o: New.
3786 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3787 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3788 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3790 * config/rs6000/t-darwin: Move crt2.o building to here.
3791 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3792 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3795 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3797 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3798 from '! xxx' to '!xxx' for coding-style conformance.
3799 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3800 (EXTRA_CONSTRAINT): Likewise.
3801 * config/vax/vax.md (four unnamed insns): Likewise.
3803 2006-03-15 Paul Brook <paul@codesourcery.com>
3805 * config/arm/arm.c (minipool_pad): New.
3806 (add_minipool_forward_ref): Include pool alignment padding in address
3808 (push_minipool_fix): Set minipool_pad.
3809 (minipool_pad): Ditto.
3811 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3813 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3814 instead of GET_CODE() == MEM and REG_P() instead of
3816 (print_operand_address): Likewise.
3817 (vax_address_cost): Likewise.
3818 (vax_rtx_costs): Likewise.
3819 (vax_notice_update_cc): Likewise.
3820 (vax_output_int_add): Likewise.
3821 (INDEX_REGISTER_P): Likewise.
3822 (BASE_REGISTER_P): Likewise.
3823 (nonindexed_address_p): Likewise.
3824 (vax_mode_dependent_address_p): Likewise.
3825 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3826 (PRINT_OPERAND): Likewise.
3827 * config/vax/vax.md (ashlsi3): Likewise.
3828 (ashlsi3): Likewise.
3829 (some more unnamed insns): Likewise.
3831 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3833 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3834 iterator-style macro.
3835 (mark_control_dependent_edges_necessary): Update the use of
3836 EXECUTE_IF_CONTROL_DEPENDENT.
3838 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3840 * config/sh/predicates.md (cache_address_operand): Special.
3841 (ua_address_operand): Likewise.
3843 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3845 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3847 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3849 2006-03-15 Andreas Schwab <schwab@suse.de>
3851 * gensupport.c (identify_predicable_attribute): Don't free p_false
3852 when it is still in use.
3854 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3856 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3857 the default setting here.
3859 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3861 * tree-pass.h (pass_cfg): Remove.
3862 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3863 * passes.c (pass_cfg): Don't run it.
3865 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3867 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3868 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3870 (stack_regs_mentioned): Update the uses of
3871 stack_regs_mentioned_data. Don't access the array beyond its
3873 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3874 Don't include gt-reg-stack.h.
3876 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3877 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3879 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3882 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3885 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3887 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3889 2006-03-14 Richard Guenther <rguenther@suse.de>
3891 PR tree-optimization/26672
3892 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3895 2006-03-14 Richard Guenther <rguenther@suse.de>
3897 PR tree-optimization/26667
3898 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3899 node for the callees. Always allow inlining if it will shrink
3902 2006-03-14 Richard Guenther <rguenther@suse.de>
3905 * builtins.c (get_pointer_alignment): Prefer alignment
3906 information from decls over that from types.
3908 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3911 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3913 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3915 * config/rs6000/rs6000.opt (mdlmzb): New option.
3916 (msched-prolog, msched-epilog): Use Var not Mask.
3917 * doc/invoke.texi (-mdlmzb): Document.
3918 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3920 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3921 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3923 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3925 PR rtl-optimization/25739
3926 * bt-load.c (augment_live_range): Free tos pointer.
3928 * gensupport.c (identify_predicable_attribute): Free
3930 * gcov.c (create_file_names): Free name pointer.
3932 2006-03-13 Roger Sayle <roger@eyesopen.com>
3935 * stmt.c (emit_case_nodes): Handle the case where the index is a
3936 CONST_INT, where the comparison mode is specified by the index type.
3938 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3940 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3943 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3945 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3946 (*branch_fp_inverted): Likewise.
3948 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3951 * omp-low.c (expand_omp_for_generic): Mark istart0
3952 and iend0 as addressable.
3954 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3956 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3958 2006-03-13 Jeff Law <law@redhat.com>
3960 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3961 virtual operands are interesting.
3962 (vrp_visit_stmt): Corresponding changes.
3964 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3966 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3968 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3969 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3970 * config/bfin/crti.S: Use it instead of __PIC__.
3971 * config/bfin/crtn.S: Likewise.
3973 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3974 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3976 Lose 'G' modifier for call operand.
3977 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3978 recognize 'G' modifier.
3980 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3983 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3984 * stmt.c (expand_case): Likewise.
3986 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3988 PR rtl-optimization/26254
3989 * loop-invariant.c (seq_insns_valid_p): New function.
3990 (move_invariant_reg): Only emit new code if it is valid.
3992 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3994 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3996 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3997 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3998 (commit_one_edge_insertion): Do not look for loop notes.
4000 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4002 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4003 flag_test_coverage out of loop.
4005 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4007 * final.c (shorten_branches): Remove outdated comment, and turn
4008 the if branch that guards it to continue.
4010 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4012 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4013 * cfgloop.h (struct loop): Remove unused fields.
4015 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4017 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4018 (-dL, -fdump-rtl-loop2): Update the dump file names
4020 * doc/invoke.texi: Update dump file names.
4022 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4024 * predict.c (estimate_probability): Remove.
4025 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4026 * basic-block.h (estimate_probability): Remove prototype.
4027 * passes.c (finish_optimization_passes): Dump branch prediction or
4028 profiling heuristics to the .profile tree dump.
4029 (init_optimization_passes): Unqueue pass_branch_prob.
4031 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4033 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4035 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4036 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4038 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4040 * function.h (frame_offset_overflow): Declare.
4041 * function.c (frame_offset_overflow): New function.
4042 (assign_stack_local_1): Call it to detect that the offset overflows.
4043 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4045 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4047 * config/sh/sh.c: Include alloc-pool.h.
4048 (label_ref_list_pool): New alloc pool.
4049 (label_ref_list_t): New type for lists of labels.
4050 (struct pool_node): Make wend a label_ref_list_t.
4051 (add_constant): Use the new type, eradicate LABEL_NEXTREF
4053 (dump_table): Likewise.
4054 (sh_reorg): Set up the alloc pool before using add_constant and
4055 dump_table, and destroy it when finishing.
4057 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4059 * config/mips/mips.c: Remove redundant comment.
4061 2006-03-10 Jason Merrill <jason@redhat.com>
4064 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4065 the target was declared 'register'.
4067 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4069 * genpreds.c (write_insn_constraint_len): Change definition of
4070 insn_constraint_len to return size_t to match the declaration.
4072 2006-03-10 DJ Delorie <dj@redhat.com>
4074 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4076 (m32c_expand_insv): Fix test for an AND mask.
4078 2006-03-10 Richard Guenther <rguenther@suse.de>
4081 * builtins.c (get_pointer_alignment): Handle component
4082 references for field alignment.
4084 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4086 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4087 when building with libgloss.
4088 (sh*elf): Implement --without-fp option.
4089 (sh64-superh-linux*): Don't multilib.
4091 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4093 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4095 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4097 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4098 Set it when one of the replacement functions returned true.
4099 Return TODO_cleanup_cfg if cfgchanged is true.
4100 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4102 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4104 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4105 instead of gen_lowpart.
4107 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4109 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4111 (mips_output_order_conditional_branch): Declare.
4112 * config/mips/mips.h (MIPS_BRANCH): New macro.
4113 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4114 for the comparison. Use gen_condjump.
4115 (mips_output_conditional_branch): Rework interface to take the
4116 asm templates for a direct branch and the inverse of a direct branch.
4117 (mips_output_order_conditional_branch): New function.
4118 (mips_builtin_branch_and_move): New function.
4119 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4120 branch condition. Use gen_single_cc as the condition for
4121 __builtin_mips_upper_* or __builtin_mips_lower_*.
4122 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4123 Use VOIDmode for the branch condition.
4124 * config/mips/predicates.md (order_operator): New predicate.
4125 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4126 (branch_fp): Rename to...
4127 (*branch_fp): ...this. Remove mode from comparison operator.
4128 Use new mips_output_conditional_branch interface.
4129 (branch_fp_inverted): Rename to...
4130 (*branch_fp_inverted): ...this and update as for *branch_fp.
4131 (*branch_zero<mode>): Rename to...
4132 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4133 Use mips_output_order_conditional_branch. Only accept ordered
4135 (*branch_zero<mode>_inverted): Rename to...
4136 (*branch_order<mode>_inverted): ...this and update as for
4137 *branch_order<mode>.
4138 (*branch_equality<mode>): Accept zero as the second operand to
4139 the equality operator. Use the new mips_output_conditional_branch
4141 (*branch_equality<mode>_inverted): Likewise.
4142 (condjump): New expander.
4143 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
4145 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
4146 (bc1any2t, bc1any2f): Likewise.
4147 (single_cc): New expander.
4148 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4150 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4152 * doc/md.texi: Update documentation of MIPS constraints.
4153 * config/mips/constraints.md: New file.
4154 * config/mips/mips.md: Include it.
4155 * config/mips/mips.c (mips_char_to_class): Delete.
4156 (override_options): Don't initialize mips_char_to_class.
4157 * config/mips/mips.h (mips_char_to_class): Delete.
4158 (REG_CLASS_FROM_LETTER): Delete.
4159 (CONST_OK_FOR_LETTER_P): Delete.
4160 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4161 (EXTRA_CONSTRAINT_Y): Delete.
4162 (EXTRA_CONSTRAINT_STR): Delete.
4163 (CONSTRAINT_LEN): Delete.
4164 (EXTRA_MEMORY_CONSTRAINT): Delete.
4166 2006-03-09 Diego Novillo <dnovillo@redhat.com>
4168 * tree-cfg.c (move_block_to_fn): Remove the statements from the
4169 original fn's eh regions.
4171 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
4173 * fold-const.c (build_range_check): Make sure to use a valid type to
4174 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
4177 (range_predecessor): New static function.
4178 (range_successor): Likewise.
4179 (merge_ranges): Use them to compute predecessors and successors of
4182 2006-03-09 Roger Sayle <roger@eyesopen.com>
4185 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
4186 X op C3, consider whether C3 overflows towards +Inf or -Inf.
4188 2006-03-08 DJ Delorie <dj@redhat.com>
4190 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4191 (addpsi3): Expand to include memory operands. Remove
4192 reload-specific splits.
4193 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4194 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4195 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4196 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4197 (shift1_qi, shift1_hi, insv): New.
4198 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4199 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4200 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4202 * config/m32c/m32c-protos.h: Update as needed.
4203 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4204 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4205 Fail for unrecognized R* constraints.
4206 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4207 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4208 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4210 (m32c_init_libfuncs): New.
4211 (m32c_legitimate_address_p): Add debug wrapper.
4212 (m32c_rtx_costs): New.
4213 (m32c_address_cost): New.
4214 (conversions): Add 'B' prefix.
4215 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4216 operands, or word regnames for QI operands. 'B' prints bit
4218 (m32c_expand_setmemhi): New.
4219 (m32c_expand_movmemhi): New.
4220 (m32c_expand_movstr): New.
4221 (m32c_expand_cmpstr): New.
4222 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4223 (m32c_expand_neg_mulpsi3): Handle non-ints.
4224 (m32c_cmp_flg_0): New.
4225 (m32c_expand_movcc): New.
4226 (m32c_expand_insv): New.
4227 (m32c_scc_pattern): New.
4228 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4229 a0/a1 out of SIregs.
4230 (STORE_FLAG_VALUE): New.
4231 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4234 * config/m32c/mov.md: Make constraints more liberal.
4235 (zero_extendqihi2): Optimize r0/r1 case.
4236 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4237 * config/m32c/predicates.md (m32c_any_operand): New.
4238 (m32c_nonimmediate_operand): New.
4239 (m32c_hl_operand): New.
4240 (m32c_r3_operand): New.
4243 (memsym_operand): New.
4244 (memimmed_operand): New.
4245 (a_qi_operand): New.
4246 (m32c_eqne_operator): New.
4247 (m32c_1bit8_operand): New.
4248 (m32c_1bit16_operand): New.
4249 (m32c_1mask8_operand): New.
4250 (m32c_1mask16_operand): New.
4251 * config/m32c/blkmov.md: New file.
4252 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4254 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4256 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4257 unsigned to fix signed/unsigned comparison issue in
4258 DWARF2_FRAME_REG_OUT.
4259 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4260 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4262 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4263 of ptr into the ENABLE_CHECKING section.
4265 2006-03-08 Jeff Law <law@redhat.com>
4267 * tree-vrp.c (infer_value_range): Only count pointer uses
4268 and dereferences if -fdelete-null-pointer-checks is enabled.
4270 * tree-vrp.c (find_assert_locations): Infer value ranges for
4271 single use pointers, but do not create ASSERT_EXPRs for them.
4272 When a non-null range is inferred for a pointer, backwards
4273 propagate that range to other equivalent pointers through the
4276 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4279 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4280 language hook targets.
4281 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4282 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4283 if language hook targets were missing.
4285 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4287 * tree-ssa-opfinalize.h: Removed.
4288 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4290 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4291 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4292 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4293 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4294 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4295 finalize_ssa_v_must_def_ops): New.
4297 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4299 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4302 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4304 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4306 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4307 addresses with offsets; reorganize.
4309 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4310 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4311 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4313 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4316 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4318 2006-03-08 Ben Elliston <bje@au.ibm.com>
4320 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4322 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4325 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4328 2006-03-07 Richard Guenther <rguenther@suse.de>
4330 PR tree-optimization/26587
4331 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4333 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4335 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4337 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4339 * hooks.c (hook_bool_mode_rtx_true): New function.
4340 * hooks.h (hook_bool_mode_rtx_true): Declare.
4341 * toplev.c (compile_file): Call output_shared_constant_pool.
4342 * varasm.c (shared_constant_pool): New variable.
4343 (assemble_start_function, assemble_end_function): Remove arguments
4344 from call to output_constant_pool.
4345 (create_constant_pool): New function, split out from...
4346 (init_varasm_status): ...here.
4347 (force_const_mem): Choose between the shared and per-function constant
4348 pools. Set current_function_uses_const_pool when reusing old entries
4349 as well as when creating new ones.
4350 (mark_constant): Ignore data argument.
4351 (mark_constants): Remove pool argument.
4352 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4353 to decide whether the function uses a constant pool.
4354 (output_constant_pool_contents): New function, split out from...
4355 (output_constant_pool): ...here.
4356 (output_shared_constant_pool): New function.
4357 (init_varasm_once): Initialize shared_constant_pool.
4358 * output.h (output_constant_pool): Delete.
4359 (output_shared_constant_pool): Declare.
4360 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4361 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4363 2006-03-06 Nick Clifton <nickc@redhat.com>
4365 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4366 flag_strength_reduce.
4368 2006-03-06 Ben Elliston <bje@au.ibm.com>
4370 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4371 x86_64-*-linux* configurations.
4373 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4374 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4376 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4378 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4380 * basic-block.h: Remove the extern for
4381 rediscover_loops_after_threading.
4383 * cfgloop.c (cancel_loop): Make it static.
4384 * cfgloop.h: Remove the prototype for cancel_loop.
4386 * flow.c (recompute_reg_usage): Make it static.
4387 * rtl.h: Remove the prototype for recompute_reg_usage.
4389 * function.c (use_return_register): Make it static.
4390 * function.h: Remove the prototype.
4392 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4394 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
4396 * recog.h: Remove the prototype for
4397 validate_change_maybe_volatile.
4399 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4401 * rtlanal.c (replace_reg): Remove.
4402 * rtl.h: Remove the prototype for replace_reg.
4404 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4406 * regclass.c (reg_scan_update): Remove.
4407 (reg_scan_mark_refs): Remove the last argument.
4408 * rtl.h: Remove the prototype for reg_scan_update.
4410 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4412 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
4413 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
4414 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
4415 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
4416 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
4417 loop-invariant.c, omp-low.c, opts.c, passes.c,
4418 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
4419 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
4420 tree-ssa-structalias.c, tree-ssa-threadedge.c,
4421 tree-ssa-threadupdate.c, tree-vect-patterns.c,
4422 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
4423 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
4425 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4427 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
4428 * dwarf2out.h: Remove the prototype for
4429 dwarf2out_add_library_unit_info.
4431 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4433 * tree.c (add_var_to_bind_expr): Remove.
4434 * tree.h: Remove the prototype for add_var_to_bind_expr.
4436 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4438 * regclass.c (n_non_fixed_regs): Remove.
4439 (init_reg_sets_1, globalize_reg): Remove all uses of
4441 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
4443 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4445 * rtlanal.c (insns_safe_to_move_p): Remove.
4446 * rtl.h: Remove the prototype for insns_safe_to_move_p.
4448 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
4450 * expmed.c (expand_mult_add): Remove.
4451 * expr.h: Remove the prototype for expand_mult_add.
4453 2006-03-04 Jakub Jelinek <jakub@redhat.com>
4455 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
4456 and REG_SAVED_VAL_EXP constants.
4457 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
4458 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
4459 Handle regs stored by value.
4460 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
4461 (execute_cfa_program): Handle DW_CFA_val_offset,
4462 DW_CFA_val_offset_sf and DW_CFA_val_expression.
4463 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
4464 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
4465 (uw_install_context_1): Handle target regs stored by value.
4467 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
4469 * tree-sra.c (tree_sra): Return todoflags;
4470 (generate_one_element): Set TODO_update_smt_usage if needed.
4471 (pass_sra): Remove TODO_update_smt_usage.
4472 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
4474 (tree_ssa_forward_propagate_single_use_vars): Return
4475 TODO_update_smt_usage if we need to update SMT usage.
4476 (pass_forwprop): Remove TODO_update_smt_usage.
4478 2006-03-03 Diego Novillo <dnovillo@redhat.com>
4480 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
4481 (correct_use_link): Remove reference to get_stmt_operands.
4482 (update_stmt_operands): Likewise.
4483 (get_modify_expr_operands): New function factored out of
4484 parse_ssa_operands and get_expr_operands.
4485 Try to create V_MUST_DEFs for LHS by default.
4486 (get_expr_operands) <case MODIFY_EXPR>: Call
4487 get_modify_expr_operands.
4488 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
4489 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
4490 (parse_ssa_operands) <case MODIFY_EXPR>: Call
4491 get_modify_expr_operands.
4493 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
4495 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
4496 * tree-flow.h: Remove the prototype for
4497 referenced_var_lookup_if_exists.
4499 2006-03-03 Steve Ellcey <sje@cup.hp.com>
4501 PR rtl-optimization/26345
4503 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
4505 2006-03-03 Roger Sayle <roger@eyesopen.com>
4507 PR tree-optimization/26524
4508 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
4509 fold_convert to create a constant of the appropriate type.
4511 2006-03-03 Richard Sandiford <richard@codesourcery.com>
4513 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4514 SYMBOL_REF_IN_BLOCK_P.
4515 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
4516 of SYMBOL_FLAG_IN_BLOCK.
4517 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
4518 instead of SYMBOL_REF_IN_BLOCK_P.
4519 * explow.c (use_anchored_address): Likewise.
4520 * rtl.c (rtx_size): Likewise.
4521 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4522 instead of SYMBOL_FLAG_IN_BLOCK.
4523 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4524 SYMBOL_REF_IN_BLOCK_P.
4525 (assemble_variable): Likewise.
4526 (output_constant_def_contents): Likewise.
4527 (output_constant_pool): Likewise.
4528 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4529 instead of SYMBOL_FLAG_IN_BLOCK.
4530 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4531 SYMBOL_REF_IN_BLOCK_P.
4532 (SYMBOL_REF_BLOCK): Likewise.
4533 (SYMBOL_REF_OFFSET): Likewise.
4534 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4535 SYMBOL_REF_IN_BLOCK_P.
4536 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4537 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4538 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4539 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4541 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4543 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4545 2006-03-02 Roger Sayle <roger@eyesopen.com>
4547 * simplify-rtx.c (simplify_unary_operation): When simplifying
4548 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4549 that we perform the right shift in the appropriate mode, and
4550 then extend or truncate the result to requested mode.
4552 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4554 * gengtype.c (main): Handle double_int type.
4555 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4556 * double-int.c: New file.
4557 * double-int.h: New file.
4558 * system.h: Include doubleint.h.
4559 * Makefile.in (SYSTEM_H): Include double-int.h.
4560 (double-int.o): Add.
4562 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4565 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4568 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4570 * tree-vrp.c (remove_range_assertions): Do not update statements
4573 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4575 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4577 * gcse.c (rest_of_handle_gcse): Ditto.
4578 * except.c (gate_handle_eh): Ditto.
4579 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4580 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4582 2006-03-02 Eric Christopher <echristo@apple.com>
4584 * config/i386/i386.c (machopic_output_stub): Add indirection to
4587 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4591 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4593 Sun Niagara specific optimizations.
4594 * config.gcc: Recognize niagara as target.
4595 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4596 (TARGET_CPU_niagara): Define.
4597 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4598 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4599 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4600 (ASM_CPU_SPEC): Likewise.
4601 (PROCESSOR_NIAGARA): New enum entry.
4602 (REGISTER_MOVE_COST): Handle Niagara.
4603 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4604 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4605 (sparc_override_options): Recognize "niagara", set appropriate
4606 default MASK_* values for it, and align functions to 32-bytes
4607 by default just like ULTRASPARC/ULTRASPARC3.
4608 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4609 (sparc64_initialize_trampoline): Likewise.
4610 (sparc_use_sched_lookahead): Use zero for niagara.
4611 (sparc_issue_rate): Use one for niagara.
4612 * config/sparc/niagara.md: New file.
4613 * config/sparc/sparc.md: Include it.
4614 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4615 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4616 when default cpu is niagara.
4617 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4618 (ASM_CPU_SPEC): Likewise.
4619 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4620 when default cpu is niagara.
4621 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4622 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4623 just like v9/ultrasparc/ultrasparc3.
4624 * doc/invoke.texi: Add documentation for "niagara" and improve
4625 existing documentation for ultrasparc variants.
4627 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4629 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4631 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4633 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4634 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4635 and say that only one is needed.
4636 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4637 * target.h (have_switchable_bss_sections): New hook.
4638 * explow.c (use_anchored_address): Check that the symbol is in a block.
4639 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4640 (bss_noswitch_section): New variables.
4641 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4642 (get_noswitch_section): New function.
4643 (get_block_for_section): Allow SECT to be null.
4644 (unlikely_text_section_p): Use SECTION_STYLE.
4645 (bss_initializer_p): New function.
4646 (get_variable_section): Move earlier in file. Take a new argument,
4647 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4648 Return one of the new *_sections in such cases.
4649 (get_block_for_decl): New function, extracting some logic from
4650 use_blocks_for_decl_p.
4651 (change_symbol_section): Remove in favor of...
4652 (change_symbol_block): ...this new function.
4653 (use_blocks_for_decl_p): Remove checks now performed by
4655 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4656 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4657 (emit_local, emit_bss, emit_common): ...these new functions.
4658 Return true if the alignment was honored.
4659 (emit_tls_common): New function.
4660 (asm_emit_uninitialised): Delete.
4661 (assemble_variable_noswitch): New function, split out from...
4662 (assemble_variable): ...here. Don't make decisions about common
4663 variables here. Globalize all public decls that go into non-common
4664 sections. Check whether SYMBOL_REF_BLOCK is null.
4665 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4666 (output_constant_pool): Likewise.
4667 (init_varasm_once): Initialize the new section variables.
4668 (have_global_bss_p): New function.
4669 (categorize_decl_for_section): Use bss_initializer_p.
4670 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4671 (place_block_symbol): Assert that the symbol must be in a block.
4672 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4673 (TARGET_INITIALIZER): Include it.
4674 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4675 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4676 (SECTION_MACH_DEP): Bump by two.
4677 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4678 (unnamed_section): Mention SECTION_UNNAMED in comment.
4679 (named_section): Likewise SECTION_NAMED.
4680 (noswitch_section_callback): New type.
4681 (noswitch_section): New structure.
4682 (section): Add a noswitch_section alternative.
4683 (SECTION_STYLE): New macro.
4684 (tls_comm_section, comm_section, lcomm_section): Declare.
4685 (bss_noswitch_section, have_global_bss_p): Declare.
4686 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4687 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4689 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4690 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4693 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4695 * gcc/tree-vrp.c (execute_vrp): Return value.
4696 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4697 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4698 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4699 (tree_lower_complex_O0): Ditto.
4700 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4701 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4702 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4703 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4704 (execute_tail_calls): Ditto.
4705 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4706 * gcc/tree.h (init_function_for_compilation): Ditto.
4707 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4708 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4709 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4710 * gcc/final.c (compute_alignments): Ditto.
4711 (rest_of_handle_final): Ditto.
4712 (rest_of_handle_shorten_branches): Ditto.
4713 (rest_of_clean_state): Ditto.
4714 * gcc/omp-low.c (execute_expand_omp): Ditto.
4715 (execute_lower_omp): Ditto.
4716 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4717 * gcc/ipa-reference.c (static_execute): Ditto.
4718 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4719 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4720 (rest_of_handle_machine_reorg): Ditto.
4721 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4722 * gcc/flow.c (recompute_reg_usage): Ditto.
4723 (rest_of_handle_remove_death_notes): Ditto.
4724 (rest_of_handle_life): Ditto.
4725 (rest_of_handle_flow2): Ditto.
4726 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4727 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4728 (do_ssa_store_ccp): Ditto.
4729 (execute_fold_all_builtins): Ditto.
4730 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4731 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4732 * gcc/ipa-pure-const.c (static_execute): Ditto.
4733 * gcc/cse.c (rest_of_handle_cse): Ditto.
4734 (rest_of_handle_cse2): Ditto.
4735 * gcc/web.c (rest_of_handle_web): Ditto.
4736 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4737 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4738 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4739 * gcc/tree-nrv.c (tree_nrv): Ditto.
4740 (execute_return_slot_opt): Ditto.
4741 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4742 (create_structure_vars): Ditto.
4743 * gcc/loop-init.c (rtl_loop_init): Ditto.
4744 (rtl_loop_done): Ditto.
4745 (rtl_move_loop_invariants): Ditto.
4746 (rtl_unswitch): Ditto.
4747 (rtl_unroll_and_peel_loops): Ditto.
4748 (rtl_doloop): Ditto.
4749 * gcc/gimple-low.c (lower_function_body): Ditto.
4750 (mark_used_blocks): Ditto.
4751 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4752 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4753 (cgraph_early_inlining): Ditto.
4754 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4755 * gcc/jump.c (cleanup_barriers): Ditto.
4756 (purge_line_number_notes): Ditto.
4757 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4758 (rest_of_handle_if_after_reload): Ditto.
4759 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4760 (tree_ssa_loop_im): Ditto.
4761 (tree_ssa_loop_unswitch): Ditto.
4762 (tree_vectorize): Ditto.
4763 (tree_linear_transform): Ditto.
4764 (tree_ssa_loop_ivcanon): Ditto.
4765 (tree_ssa_empty_loop): Ditto.
4766 (tree_ssa_loop_bounds): Ditto.
4767 (tree_complete_unroll): Ditto.
4768 (tree_ssa_loop_prefetch): Ditto.
4769 (tree_ssa_loop_ivopts): Ditto.
4770 (tree_ssa_loop_done): Ditto.
4771 * gcc/predict.c (tree_estimate_probability): Ditto.
4772 * gcc/recog.c (split_all_insns_noflow): Ditto.
4773 (rest_of_handle_peephole2): Ditto.
4774 (rest_of_handle_split_all_insns): Ditto.
4775 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4776 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4777 (rest_of_handle_stack_adjustments): Ditto.
4778 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4779 * gcc/function.c (instantiate_virtual_regs): Ditto.
4780 (init_function_for_compilation): Ditto.
4781 (rest_of_handle_check_leaf_regs): Ditto.
4782 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4783 (rest_of_handle_gcse): Ditto.
4784 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4785 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4786 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4787 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4788 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4789 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4790 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4791 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4792 * gcc/except.c (set_nothrow_function_flags): Ditto.
4793 (convert_to_eh_region_ranges): Ditto.
4794 (rest_of_handle_eh): Ditto.
4795 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4796 (remove_unnecessary_notes): Ditto.
4797 * gcc/except.h (set_nothrow_function_flags): Ditto.
4798 (convert_to_eh_region_ranges): Ditto.
4799 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4800 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4801 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4802 (execute_fre): Ditto.
4803 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4804 (rest_of_handle_jump2): Ditto.
4805 * gcc/tree-sra.c (tree_sra): Ditto.
4806 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4807 (execute_mudflap_function_decls): Ditto.
4808 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4809 (do_store_copy_prop): Ditto.
4810 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4811 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4812 * gcc/tree-ssa-forwprop.c
4813 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4814 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4815 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4816 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4817 (execute_late_warn_uninitialized): Ditto.
4818 * gcc/rtl.h (cleanup_barriers): Ditto.
4819 (split_all_insns_noflow): Ditto.
4820 (purge_line_number_notes): Ditto.
4821 (unshare_all_rtl): Ditto.
4822 (remove_unnecessary_notes): Ditto.
4823 (recompute_reg_usage): Ditto.
4824 (variable_tracking_main): Ditto.
4825 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4826 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4827 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4828 (execute_free_cfg_annotations): Ditto.
4829 (execute_fixup_cfg): Ditto.
4830 (execute_cleanup_cfg_pre_ipa): Ditto.
4831 (execute_cleanup_cfg_post_optimizing): Ditto.
4832 (execute_init_datastructures): Ditto.
4833 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4834 * gcc/combine.c (rest_of_handle_combine): Ditto.
4835 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4836 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4837 (rest_of_handle_reorder_blocks): Ditto.
4838 (rest_of_handle_partition_blocks): Ditto.
4839 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4840 * gcc/tree-profile.c (tree_profiling): Ditto.
4841 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4842 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4843 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4844 (rest_of_handle_sched2): Ditto.
4845 * gcc/basic-block.h (free_bb_insn): Ditto.
4846 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4847 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4848 (remove_useless_stmts): Ditto.
4849 (split_critical_edges): Ditto.
4850 (execute_warn_function_return): Ditto.
4851 (execute_warn_function_noreturn): Ditto.
4852 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4853 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4854 * gcc/passes.c (execute_one_pass): Run additional
4855 todos returned by execute function.
4856 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4859 2006-03-02 Richard Guenther <rguenther@suse.de>
4861 * tree-ssa-alias.c (find_used_portions): Consider taking
4862 the address as making the variable not write-only.
4864 2006-03-02 Nick Clifton <nickc@redhat.com>
4866 * config.gcc (default_use_cxa_atexit): Extend the description of
4867 this configure variable. Set its default value to "yes" for
4868 Linux, NetBSD and ELF targets on the assumption that they will
4869 use C libraries with the __cxa_atexit function.
4871 2006-03-02 Ben Elliston <bje@au.ibm.com>
4873 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4874 parameter as unused to suppress a build warning.
4876 2006-03-02 Ben Elliston <bje@au.ibm.com>
4878 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4881 2006-03-01 Roger Sayle <roger@eyesopen.com>
4884 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4885 declared name, the weak reference name, and the typeof name.
4886 (__gthrw): Avoid expanding the declared name suffix.
4887 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4889 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4891 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4893 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4894 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4895 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4896 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4897 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4898 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4899 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4900 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4901 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4902 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4903 (DW_END_default, DW_END_big, DW_END_little): New.
4904 (DW_END_lo_user, DW_END_hi_user): Define.
4905 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4906 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4907 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4910 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4912 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4914 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4916 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4918 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4920 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4921 to 'symbol_mem_tag'.
4923 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4926 2006-03-01 Roger Sayle <roger@eyesopen.com>
4928 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4930 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4933 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4934 MACHO_DYNAMIC_NO_PIC_P.
4935 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4937 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4940 * config/darwin-protos.h (darwin_asm_output_anchor):
4942 * config/darwin-sections.def (cstring_section):
4943 Add SECTION_MERGE to the flags.
4944 (literal4_section): Likewise.
4945 (literal8_section): Likewise.
4946 (objc_selector_refs_section): Likewise.
4947 (objc_cls_refs_section): Likewise.
4948 * config/darwin.c (darwin_asm_output_anchor): New
4950 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4952 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4954 Fix PR tree-optimization/26443
4955 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4956 to todo and PROP_tmt_usage to properties_destroyed.
4957 * tree-ssa-ccp.c (pass_ccp): Ditto.
4958 (pass_store_ccp): Ditto.
4959 * tree-ssa-dom.c (pass_dominator): Ditto.
4961 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4963 * tree-ssa-operands.c: Cleanup whitespace.
4964 (get_asm_expr_operands): Move before first invocation.
4965 (get_indirect_ref_operands): Likewise.
4966 (get_tmr_operands): Likewise.
4967 (get_call_expr_operands): Likewise.
4968 (append_def): Likewise.
4969 (append_use): Likewise.
4970 (append_v_may_def): Likewise.
4971 (append_v_must_def): Likewise.
4972 (add_call_clobber_ops): Likewise.
4973 (add_call_read_ops): Likewise.
4974 (add_stmt_operand): Likewise.
4975 (add_virtual_operand): Likewise.
4976 (build_ssa_operands): Likewise.
4978 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4983 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4984 with a call expr to ...
4985 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4987 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4989 * tree-vrp.c (extract_range_from_assert): Remove special
4990 handling for types with super-types.
4992 2006-03-01 Ben Elliston <bje@au.ibm.com>
4994 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4995 and powerpc64-*-linux* configurations.
4996 * config/t-dfprules: New file.
4998 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4999 Compile dfp-bit.c from the source directory using -DWIDTH and
5000 $DFP_CFLAGS to control the compilation of that file, rather than
5001 generating width-specific versions in the build directory.
5002 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5003 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5005 2006-02-28 Zack Weinberg <zackw@panix.com>
5007 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5010 2006-02-28 Eric Christopher <echristo@apple.com>
5012 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5013 Set up IN_LIBGCC definition of TARGET_64BIT.
5014 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5016 2006-02-28 Roger Sayle <roger@eyesopen.com>
5019 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5020 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5021 cases via the construction of "expr != 0".
5023 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5025 * alias.c (alias_invariant, alias_invariant_size): Remove.
5026 (record_base_value): Remove.
5027 (memrefs_conflict_p): Don't look at alias_invariant.
5028 (end_alias_analysis): Don't free it.
5029 * alias.h (record_base_value): Remove prototype.
5031 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5032 Adam Nemet <anemet@caviumnetworks.com>
5034 * rtl.h (truncated_to_mode): Declare it.
5035 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5036 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5037 (RTL_HOOKS_INITIALIZER): Include it.
5038 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5039 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5040 reg_truncated_to_mode.
5041 * rtlanal.c (truncated_to_mode): Define it.
5042 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5044 2006-02-28 Jeff Law <law@redhat.com>
5046 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
5047 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5048 the range allowed by TYPE_PRECISION.
5050 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
5052 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
5054 PR tree-optimization/26419
5055 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
5058 2006-02-27 Zack Weinberg <zackw@panix.com>
5060 * doc/md.texi: Fix typo in previous change.
5062 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5066 2006-02-27 Zack Weinberg <zackw@panix.com>
5068 * rtl.def (define_constraint, define_register_constraint)
5069 (define_memory_constraint, define_address_constraint): New MD forms.
5070 * gensupport.c (process_rtx): Put define_constraint etc on the
5072 * genpreds.c (process_define_predicate): Adjust comment. Validate
5073 the name, and call validate_exp to validate the expression.
5074 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5075 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5076 all callers changed.
5077 (validate_exp, needs_variable, struct constraint_data)
5078 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5079 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5080 (const_dbl_constraints, constraint_max_namelen)
5081 (have_register_constraints, have_memory_constraints)
5082 (have_address_constraints, have_address_constraints)
5083 (have_extra_constraints, have_const_int_constraints)
5084 (have_const_dbl_constraints, mangle, add_constraint)
5085 (process_define_constraint, process_define_register_constraint)
5086 (write_enum_constraint_num, write_lookup_constraint)
5087 (write_insn_constraint_len, write_regclass_for_constraint)
5088 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5089 (write_insn_extra_memory_constraint)
5090 (write_insn_extra_address_constraint)
5091 (write_satisfies_constraint_fns): New.
5092 (write_tm_preds_h): If we have new-style constraint definitions,
5093 prototype the functions generated from them, and define the
5094 old constraint interface (still used by generic code) in terms of
5096 (write_insn_preds_c): If we have new-style constraint definitions,
5097 generate all relevant functions from those definitions.
5098 (main): Handle define_constraint etc.
5099 * genoutput.c (struct constraint_data, indep_constraints)
5100 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5101 (mdep_constraint_len): New data structures and functions, defined
5102 #ifdef USE_MD_CONSTRAINTS.
5103 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5104 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5105 use new logic to validate operand constraints against constraint
5107 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5109 * defaults.h: If none of the old-style constraint macros are
5110 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5111 old-style macros; and poison REG_CLASS_FROM_LETTER,
5112 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5114 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5115 * doc/md.texi: Document new constraint-definition mechanism and the
5116 C interface it provides. Remove references to old mechanism
5117 elsewhere in the document.
5118 (Machine Constraints): Use pathnames relative to gcc directory,
5119 i.e. config/ARCH/FILE. Change i386 section to refer to
5120 config/i386/predicates.md; update that section to match docstrings.
5121 * doc/tm.texi: Move all documentation of the old constraint-
5122 definition macros to their own section, clearly mark as obsolete.
5124 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5125 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5127 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5128 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5129 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5131 (splits and peepholes): Use satisfies_constraint_*.
5132 * config/i386/i386.c (memory_address_length)
5133 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5135 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5137 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5138 scalar operation to be put back into the loop.
5140 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5143 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5144 (extract_cie_info): Handle S flag in augmentation string.
5145 (execute_cfa_program): If context->signal_frame, execute also
5146 fs->pc == context->ra instructions.
5147 (uw_frame_state_for): If context->signal_frame, don't subtract one
5148 from context->ra to find FDE.
5149 (uw_update_context_1): Set context->signal_frame to
5151 (_Unwind_GetIPInfo): New function.
5152 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5153 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5155 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5156 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
5157 * unwind-compat.c (_Unwind_GetIPInfo): New function.
5158 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
5159 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
5160 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
5161 * config/i386/linux-unwind.h (x86_fallback_frame_state,
5162 x86_64_fallback_frame_state): Set fs->signal_frame.
5163 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
5164 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
5165 (frob_update_context): Likewise. Workaround missing S flag in
5166 Linux 2.6.12 - 2.6.16 kernel vDSOs.
5167 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
5168 Remove the psw_addr + 1 hack.
5170 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5172 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
5173 with aggregates here.
5174 (find_func_aliases): Remove code for &<aggregate> from here.
5176 2006-02-26 Roger Sayle <roger@eyesopen.com>
5178 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
5179 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
5180 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
5183 2006-02-26 Roger Sayle <roger@eyesopen.com>
5186 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
5188 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
5190 * opts.c (decode_options): Do not handle flag_strength_reduce.
5191 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
5192 and OPT_fstrength_reduce.
5193 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5194 flag_prefetch_loop_arrays for being nonzero.
5195 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5197 (fprefetch-loop-arrays-rtl): Removed.
5198 (flag_prefetch_loop_arrays): Do not specify the value.
5200 * doc/passes.texi: Update documentation of loop optimizer
5202 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5203 -frerun-loop-opt): Remove.
5205 2006-02-26 Richard Guenther <rguenther@suse.de>
5207 PR tree-optimization/26421
5208 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5209 in function calls that are ADDR_EXPRs as using the whole structure.
5211 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5213 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5214 * tree-pass.h (pass_loop_optimize): Remove.
5215 * passes.c (pass_loop_optimize): Never run it.
5216 * toplev.c (backend_init): Don't call init_loop.
5217 * opts.c (flag_loop_optimize_set): Remove.
5218 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5219 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5220 the old RTL loop optimizer when profiling enabled.
5221 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5222 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5223 pre-headers for the sake of the old RTL loop optimizer.
5224 * Makefile.in: Remove all references to loop.o.
5226 * doc/invoke.texi: Remove all references to -floop-optimize
5227 and -frerun-loop-opt.
5229 2006-02-26 Zack Weinberg <zackw@panix.com>
5231 * doc/md.texi (Machine Constraints): Refer to all files with paths
5232 relative to gcc directory (i.e. config/CPU/file). Add missing
5233 @table @code ... @end table to M32C subsection.
5235 2006-02-26 Roger Sayle <roger@eyesopen.com>
5237 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5239 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5241 2006-02-26 Roger Sayle <roger@eyesopen.com>
5242 James A. Morrison <phython@gcc.gnu.org>
5245 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5246 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5247 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5248 signedness of the shift operation.
5250 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5252 PR tree-optimization/26359
5253 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5255 2006-02-25 Roger Sayle <roger@eyesopen.com>
5257 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5258 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5259 as X == 0, and some symmetry related transformations.
5260 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5262 2006-02-25 Roger Sayle <roger@eyesopen.com>
5265 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5266 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5267 symmetry related transformations. Fold (X^C1) == C2 as
5270 2006-02-25 Juergen Weigert <jw@suse.de>
5271 Richard Guenther <rguenther@suse.de>
5273 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5275 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5277 * combine.c (gen_lowpart_or_truncate): Call
5278 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5280 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5282 * doc/invoke.texi: Move -fopenmp description to "Options for
5284 Remove reference to -lgomp.
5286 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5288 * doc/install.texi: Require GNU tar version 1.14.
5290 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5292 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5293 * doc/invoke.texi (C++ Dialect Options): Document
5294 -fno-use-cxa-get-exception-ptr.
5295 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5296 * configure: Regenerate.
5297 * c.opt (fuse-cxa-get-exception-ptr): New.
5298 * c-opts.c (c_common_handle_option): Handle
5299 OPT_fuse_cxa_get_exception_ptr.
5300 * c-common.c (flag_use_cxa_atexit): Update documentation.
5301 (flag_use_cxa_get_exception_ptr): New.
5302 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5303 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5305 (C_COMMON_OVERRIDE_OPTIONS): New.
5307 2006-02-24 Roger Sayle <roger@eyesopen.com>
5310 * combine.c (try_combine): Explicitly check whether GET_CODE is
5311 a SET or a CLOBBER, instead on checking that it isn't a USE.
5313 2006-02-24 Roger Sayle <roger@eyesopen.com>
5315 * fold-const.c (fold_comparison): New subroutine of fold_binary
5316 containing transformations common to both the equality and
5317 ordering relational operators, factored out of fold_binary.
5318 (fold_binary): Separate out the equality operators (EQ_EXPR
5319 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5320 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5321 transformations common to both.
5322 (fold_div_compare): Fix latent bugs in the previously unreachable
5323 LT_EXPR and GE_EXPR cases.
5325 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5327 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5328 decl libname for clog to __clog on AIX.
5330 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5332 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5335 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5336 output traceback table for thunks. Localise rs6000_stack_info call.
5338 2006-02-23 Roger Sayle <roger@eyesopen.com>
5339 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5341 * gthr-posix.h (__gthrw): Fix typo in comment.
5343 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5345 * doc/cpp.texi (Character sets): Document that we do support
5346 input files to be in any character set.
5348 2006-02-23 Jeff Law <law@redhat.com>
5350 * tree.h (PHI_ARG_NONZERO): Remove.
5351 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5352 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5353 node to the new node.
5355 PR tree-optimization/26425
5356 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5357 min/max, then assume its varying.
5359 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5361 PR rtl-optimization/26316
5362 * rtlanal.c (enum may_trap_p_flags): New.
5363 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5364 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5365 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5366 (may_trap_after_code_motion_p): New function.
5367 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5368 (find_invariant_insn): Use may_trap_after_code_motion_p.
5369 * rtl.h (may_trap_after_code_motion_p): Declare.
5371 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5373 * emit-rtl.c (immed_double_const): Cleanup.
5375 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5377 Fix PR tree-optimization/26376
5378 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5381 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5384 * gimplify.c (omp_add_variable): Guard variable size decl test with
5385 DECL_SIZE (decl) check.
5387 2006-02-23 Richard Guenther <rguenther@suse.de>
5390 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5391 like aggregate types.
5393 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5395 * configure.ac: Add --with{,out}-long-double-128 configure option.
5396 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
5397 * configure: Rebuilt.
5398 * config.in: Rebuilt.
5399 * doc/install.texi (Options specification): Document
5400 --with-long-double-128.
5402 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5403 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5404 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
5405 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
5407 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
5409 * config/s390/s390.c (override_options): Handle
5410 TARGET_DEFAULT_LONG_DOUBLE_128.
5412 * config/alpha/alpha.c (override_options): Handle
5413 TARGET_DEFAULT_LONG_DOUBLE_128.
5415 * config/sparc/sparc.c (sparc_override_options): Handle
5416 TARGET_DEFAULT_LONG_DOUBLE_128.
5418 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
5420 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
5421 (real-install-headers-tar, real-install-headers-cpio)
5422 (real-install-headers-cp): New targets.
5424 2006-02-22 Richard Sandiford <richard@codesourcery.com>
5426 * tree.h (variable_section): Delete.
5427 * varasm.c (variable_section): Delete.
5429 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
5431 * install.texi: Add notes on install.texi2html.
5432 (Building in parallel): Do not use footnotes.
5434 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
5437 * doc/install.texi (Configuration): Document --disable-libgomp.
5439 2006-02-21 Geoffrey Keating <geoffk@apple.com>
5441 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
5443 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5445 * config/i386/sse.md (vec_extractv2df_1_sse): New.
5446 (vec_extractv2df_0_sse): New.
5448 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
5450 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
5451 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
5452 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
5453 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
5454 to the result of the expression.
5455 (def_cfa_1): Adjust.
5456 (frame_pointer_cfa_offset): Rename to...
5457 (frame_pointer_fb_offset): ... this. Adjust all uses.
5458 (convert_cfa_to_loc_list): Rename to...
5459 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
5460 Pass it on to build_cfa_loc.
5461 (compute_frame_pointer_to_cfa_displacement): Rename to...
5462 (compute_frame_pointer_to_fb_displacement): ... this. New
5463 offset parameter. Use it in computation.
5464 (gen_subprogram_die): Compute cfa_fb_offset with the new
5465 macro, and use it to compute the fb loc list and the
5468 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
5470 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
5471 replaced with register_operand.
5472 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
5473 non-DREG is expensive.
5474 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
5475 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
5478 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
5480 * doc/install.texi2html: Use set -e.
5482 2006-02-21 Richard Sandiford <richard@codesourcery.com>
5484 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5485 (ASM_OUTPUT_SHARED_LOCAL): Delete.
5486 * doc/invoke.texi (-fshared-data): Delete.
5487 * common.opt (fshared-data): Delete.
5488 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
5489 (assemble_static_space): Remove #if 0 code.
5490 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
5491 (ASM_OUTPUT_SHARED_LOCAL): Poison.
5492 * config/cris/cris.h: Remove FIXME.
5494 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
5496 * doc/sourcebuild.texi (Front End Directory): No more double-colon
5499 2006-02-21 Jakub Jelinek <jakub@redhat.com>
5502 * combine.c (simplify_shift_const_1): Disable nested shifts
5503 optimization for vector shifts.
5505 2006-02-20 Roger Sayle <roger@eyesopen.com>
5507 PR tree-optimization/26361
5508 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
5509 of unsigned integer types.
5511 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
5513 * tree-chrec.c (eq_evolutions_p): New.
5514 * tree-chrec.h (eq_evolutions_p): Declared.
5515 * tree-data-ref.c: Fix formatting.
5516 (datadep_stats, dependence_stats): New.
5518 (print_direction_vector): New.
5519 (dump_data_dependence_relation): Use print_direction_vector.
5520 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5521 (compute_subscript_distance): Static.
5522 (initialize_data_dependence_relation): Static. Get the number
5523 of loops surrounding the references from the callers, and initialize
5524 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5525 base_object_differ_p analyzers.
5526 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5527 compute_overlap_steps_for_affine_1_2,
5528 analyze_subscript_affine_affine): Count the classified dependences.
5529 Print a message when a test failed.
5530 (can_use_analyze_subscript_affine_affine): New.
5531 (analyze_siv_subscript): Compute the data dependences on symbolic
5532 scevs that verify can_use_analyze_subscript_affine_affine.
5533 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5534 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5535 Handle symbolic scevs.
5536 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5538 (subscript_dependence_tester): Moved...
5539 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5540 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5541 DDR_SIZE_VECT instead of getting it in parameter.
5542 (subscript_dependence_tester): ... here. Take as a parameter
5543 loop_nest_depth. Call build_classic_dist_vector and
5544 build_classic_dir_vector.
5545 (compute_affine_dependence): Update subscript_dependence_tester
5546 parameters. Update datadep_stats counters. Call
5547 compute_subscript_distance.
5548 (compute_self_dependence): Save the dist and dir vectors. Call
5549 compute_subscript_distance.
5550 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5551 (compute_all_dependences): Reorder parameters as they were before
5552 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5553 compute_subscript_distance. Update the use of
5554 compute_affine_dependence and initialize_data_dependence_relation.
5555 (find_data_references_in_loop): Handle COMPONENT_REF.
5556 (compute_data_dependences_for_loop): Initialize dependence_stats.
5557 Don't call build_classic_dist_vector and build_classic_dir_vector.
5558 Update the parameters of initialize_data_dependence_relation and
5559 compute_all_dependences. Print the statistics from datadep_stats.
5560 (analyze_all_data_dependences): Static. Not used until the pass for
5561 checking the data dependences is contributed.
5562 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5563 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5564 (initialize_data_dependence_relation, compute_affine_dependence,
5565 analyze_all_data_dependences, compute_subscript_distance): Removed.
5566 (print_direction_vector): New.
5567 * lambda.h (gcd): ... here.
5568 (lambda_vector_gcd): Moved here from gcd_vector.
5569 * lambda-code.c (gcd, gcd_vector): Removed.
5570 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5571 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5573 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5575 * ipa-type-escape.c: Tidy some comments and white space.
5576 * tree-ssa-operands.c: Likewise.
5578 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5581 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5582 (dump_decl_name): Do not walk the decl tree chains.
5583 * tree-pass.h (TDF_CHAIN): Remove.
5585 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5587 * Makefile.in (C): Remove
5589 (.PHONY): Remove C and PROTO
5591 2006-02-20 Roger Sayle <roger@eyesopen.com>
5594 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5595 deprecated CHAR_TYPE tree code.
5597 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5599 * configure.ac (target_list): Add install-info, dvi, html.
5600 * configure: Regenerate.
5602 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5603 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5604 treelang/Make-lang.in: Do not use double-colon rules.
5606 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5608 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5609 (TMT_USED_ALONE): New macro.
5610 * tree-pass.h (PROP_tmt_usage): New property.
5611 (TODO_update_tmt_usage): New todo.
5612 * tree-ssa-alias.c (updating_used_alone): New variable.
5613 (recalculate_used_alone): New function.
5614 (compute_may_aliases): Set updating_used_alone, call
5615 recalculate_used_alone.
5616 * tree-sra.c (pass_sra): Note that this pass destroys
5617 PROP_tmt_usage, and add TODO_update_tmt_usage.
5618 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5619 * tree-flow.h (updating_used_alone): Prototype.
5620 (recalculate_used_alone): Ditto.
5621 * passes.c (execute_todo): Add code to set updating_used_alone,
5622 and call recalculate.
5623 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5624 for clobber if used alone, and add assert to verify used_alone
5627 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5629 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5630 for non tls symbols added.
5631 (legitimize_address): Do nothing for PLUS expressions if one of the
5632 addends is a tls symbol reference.
5634 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5638 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5640 * Makefile.in (BOOTSTRAPPING): New.
5641 (quickstrap): New definition if BOOTSTRAPPING=yes.
5643 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5644 * configure.ac: Substitute all_selected_languages with the languages
5645 that were configured. For all the other variables except
5646 lang_specs_files, include all the languages in the tree.
5647 * configure: Regenerate.
5649 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5650 if there is one. Run the commands to run fixincludes in the same
5653 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5654 * doc/install.texi: Document exact conventions for searching target tools.
5655 Document --with-build-time-tools. Document toplevel bootstrap. Document
5656 something more about building an Ada cross-compiler. Don't list GNU Make
5657 requirements which affect all platforms.
5659 2006-02-19 Roger Sayle <roger@eyesopen.com>
5662 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5663 only equivalent if the have both the same mode and precision.
5665 2006-02-20 Ben Elliston <bje@au.ibm.com>
5667 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5669 2006-02-19 Roger Sayle <roger@eyesopen.com>
5670 Steven Bosscher <stevenb.gcc@gmail.com>
5672 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5673 constant pool references to identify stack mode constants.
5674 * rtlanal.c (constant_pool_constant_p): New predicate to check
5675 whether operand is a floating point constant in the pool.
5676 * rtl.h (constant_pool_constant_p): Prototype here.
5677 * loop.c (scan_loop): Avoid hoisting constants from the constant
5678 pool on STACK_REGS targets.
5679 (load_mems): Likewise.
5680 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5681 loads into x87 registers expensive in terms of register pressure.
5683 2006-02-19 Roger Sayle <roger@eyesopen.com>
5685 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5686 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5688 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5690 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5691 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5693 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5695 * doc/invoke.texi: Document -fipa-pta.
5696 * common.opt: Add ipa-pta option.
5697 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5698 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5699 (do_ds_constraint): Ditto.
5700 (get_constraint_for): Only add to referenced_vars if
5701 referenced_vars exists.
5702 (insert_into_field_list): Rewrite to do this unsorted.
5703 (insert_into_field_list_sorted): Rename old insert_into_field_list
5705 (create_function_info_for): Use insert_into_field_list_sorted.
5706 (create_variable_info_for): Rewrite so it uses unsorted version,
5707 since the field list is sorted.
5708 (intra_create_variable_infos): Only add to referenced_vars if
5709 referenced_vars exists.
5710 (ipa_pta_execute): Init heapvars, and delete when done.
5711 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5713 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5715 * doc/install.texi: Add missing `@samp'.
5717 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5719 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5722 2006-02-18 Mark Wielaard <mark@klomp.org>
5724 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5725 who added new 4.1 features, bug fixes and integration support.
5727 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5730 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5733 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5735 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5736 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5737 (copy_insn_1): Likewise. Don't copy each field individually.
5739 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5741 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5742 * rtl.c (rtx_size): Rename variable to...
5743 (rtx_code_size): ...this.
5744 (rtx_size): New function.
5745 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5746 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5748 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5749 * rtl.h (rtx_code_size): New variable.
5750 (rtx_size): Change from a variable to a function.
5751 (RTX_SIZE): Rename to...
5752 (RTX_CODE_SIZE): ...this.
5755 PR tree-optimization/17106
5756 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5757 (Anchored Addresses): New section.
5758 * doc/invoke.texi (-fsection-anchors): Document.
5759 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5760 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5761 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5762 * hooks.c (hook_bool_mode_rtx_false): New function.
5763 * hooks.h (hook_bool_mode_rtx_false): Declare.
5764 * gengtype.c (create_optional_field): New function.
5765 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5766 SYMBOL_REF_IN_BLOCK_P is true.
5767 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5768 (min_anchor_offset, max_anchor_offset): Likewise.
5769 (use_anchors_for_symbol_p): New hook.
5770 * toplev.c (compile_file): Call output_object_blocks.
5771 (target_supports_section_anchors_p): New function.
5772 (process_options): Check that -fsection-anchors is only used on
5773 targets that support it and when -funit-at-a-time is in effect.
5774 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5775 if the decl doesn't have one.
5776 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5777 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5778 of force_const_mem through use_anchored_address.
5779 (expand_expr_constant): New function.
5780 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5781 calling expand_expr for INDIRECT_REF.
5782 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5783 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5784 * expr.h (use_anchored_address): Declare.
5785 * loop-unroll.c: Don't declare rtx vectors here.
5786 * explow.c: Include output.h.
5787 (validize_mem): Call use_anchored_address.
5788 (use_anchored_address): New function.
5789 * common.opt (-fsection-anchors): New switch.
5790 * varasm.c (object_block_htab, anchor_labelno): New variables.
5791 (hash_section, object_block_entry_eq, object_block_entry_hash)
5792 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5793 (use_blocks_for_decl_p, change_symbol_section): New functions.
5794 (get_variable_section): New function, split out from assemble_variable.
5795 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5796 use_blocks_for_decl_p say so. Use change_symbol_section if the
5797 symbol has already been created.
5798 (assemble_variable_contents): New function, split out from...
5799 (assemble_variable): ...here. Don't output any code for
5800 block symbols; just pass them to place_block_symbol.
5801 Use get_variable_section and assemble_variable_contents.
5802 (get_constant_alignment, get_constant_section, get_constant_size): New
5803 functions, split from output_constant_def_contents.
5804 (build_constant_desc): Create a block symbol if use_object_blocks_p
5805 says so. Or into SYMBOL_REF_FLAGS.
5806 (assemble_constant_contents): New function, split from...
5807 (output_constant_def_contents): ...here. Don't output any code
5808 for block symbols; just pass them to place_section_symbol.
5809 Use get_constant_section and get_constant_alignment.
5810 (force_const_mem): Create a block symbol if use_object_blocks_p and
5811 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5812 (output_constant_pool_1): Add an explicit alignment argument.
5813 Don't switch sections here.
5814 (output_constant_pool): Adjust call to output_constant_pool_1.
5815 Switch sections here instead. Don't output anything for block symbols;
5816 just pass them to place_block_symbol.
5817 (init_varasm_once): Initialize object_block_htab.
5818 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5819 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5820 (place_block_symbol, get_section_anchor, output_object_block)
5821 (output_object_block_htab, output_object_blocks): New functions.
5822 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5823 (TARGET_ASM_OUT): Include it.
5824 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5825 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5826 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5827 (TARGET_INITIALIZER): Include them.
5828 * rtl.c (rtl_check_failed_block_symbol): New function.
5829 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5830 (block_symbol, object_block): New structures.
5831 (rtx_def): Add a block_symbol field to the union.
5832 (BLOCK_SYMBOL_CHECK): New macro.
5833 (rtl_check_failed_block_symbol): Declare.
5834 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5835 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5836 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5837 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5838 * output.h (output_section_symbols): Declare.
5839 (object_block): Name structure.
5840 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5841 (default_use_anchors_for_symbol_p): Declare.
5842 * Makefile.in (RTL_BASE_H): Add vec.h.
5843 (explow.o): Depend on output.h.
5844 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5845 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5846 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5847 (rs6000_use_blocks_for_constant_p): New function.
5849 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5851 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5853 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5856 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5859 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5861 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5865 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5868 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5869 instead of DECL_REGISTER.
5871 2006-02-18 Olivier Hainque <hainque@adacore.com>
5874 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5876 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5879 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5880 * opth-gen.awk: Handle Var and InverseMask together.
5881 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5882 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5883 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5884 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5886 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5887 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5888 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5889 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5890 LINUX_DYNAMIC_LINKER): Define.
5891 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5892 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5894 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5895 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5896 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5897 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5898 (TARGET_C99_FUNCTIONS): Don't define.
5899 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5900 GLIBC_DYNAMIC_LINKER.
5901 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5902 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5903 GLIBC_DYNAMIC_LINKER64): Define.
5904 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5905 LINUX_DYNAMIC_LINKER64.
5906 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5907 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5908 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5909 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5910 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5911 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5912 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5913 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5914 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5915 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5916 and LINUX_DYNAMIC_LINKER32.
5917 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5918 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5919 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5920 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5921 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5923 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5924 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5925 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5926 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5927 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5928 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5929 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5930 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5931 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5932 LINUX_DYNAMIC_LINKER): Define.
5933 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5934 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5935 GLIBC_DYNAMIC_LINKER64): Define.
5936 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5937 LINUX_DYNAMIC_LINKER64.
5938 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5939 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5940 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5941 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5942 LINUX_DYNAMIC_LINKER): Define.
5943 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5944 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5945 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5946 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5947 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5948 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5949 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5950 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5951 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5952 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5953 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5954 * doc/invoke.texi (-muclibc): Remove caveat about supported
5957 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5959 * doc/cpp.texi (__TIMESTAMP__): Document.
5961 2006-02-17 Roger Sayle <roger@eyesopen.com>
5964 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5965 C is one less than the width of X (and related transformations).
5966 * simplify-rtx.c (simplify_unary_operation_1): Transform
5967 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5968 depending on STORE_FLAG_VALUE, were C is one less then the
5971 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5973 Fix PR tree-optimization/26341
5974 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5975 about NAME_MEMORY_TAG's.
5977 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5980 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5981 with hardware float support, and software float support. Add fcpy
5982 alternative to hardware patterns. Add alternatives to copy between
5983 general and floating-point registers to the 32-bit pattern.
5984 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5985 secondary reload to load a QI or HI mode constant into a floating
5987 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5988 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5990 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5993 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5995 (load_macho_picbase_di): Likewise.
5997 2006-02-16 Jeff Law <law@redhat.com>
5999 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6000 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6001 (ssa_name_nonzero_p): Likewise.
6002 (get_value_range): Return NULL if VRP is not running.
6003 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6004 VRP routines do not discover a range.
6005 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6006 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6007 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6008 (tree_expr_nonnegative_p): Similarly.
6009 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6010 (restore_nonzero_vars_to_original_value): Remove.
6011 (unsafe_associative_fp_binop): Remove.
6012 (tree_ssa_dominator_optimize): Remove initialization and
6013 finalization of nonzero_vars and nonzero_vars_stack.
6014 (dom_opt_initialize_block): No longer push marker on
6016 (dom_opt_finalize_block): No longer call
6017 restore_nonzero_vars_to_original_value.
6018 (record_equivalences_from_phis): No longer look for
6019 nonzero PHI arguments.
6020 (cprop_into_successor_phis): No longer propagate nonzero
6021 property into PHI arguments. Lose unused argument. Caller
6023 (record_equivalences_from_stmt): No longer record nonzero
6024 values for SSA_NAMEs.
6025 (lookup_avail_expr): No longer use nonzero_vars.
6027 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6028 for sizetype when sizetype is unsigned.
6030 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6032 PR rtl-optimization/25603
6033 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6034 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6035 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6036 with new meaning of SETS.
6038 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6043 * config/linux.opt: New file.
6044 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6045 LINUX_DYNAMIC_LINKER): Define.
6046 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
6047 * config.gcc (*-*-linux*): Define extra_options.
6048 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
6049 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
6050 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
6051 GLIBC_DYNAMIC_LINKER.
6052 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
6053 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6054 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6055 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6056 * doc/invoke.texi (GNU/Linux Options): New section.
6058 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6060 * config/sparc/sparc.md (setjmp): Rewrite.
6061 (setjmp_32): Delete.
6062 (setjmp_64): Likewise.
6064 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6066 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6069 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6071 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6074 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6076 PR rtl-optimization/26296
6077 * Makefile.in (loop-invariant.c): Add except.h dependency.
6078 * loop-invariant.c: Include except.h.
6079 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6081 2005-02-16 Paul Brook <paul@codesourcery.com>
6083 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6086 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6088 PR rtl-optimization/25636
6089 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6090 when deciding whether an insn is an initializing insn.
6092 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6094 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6095 (tree_code_size): Ditto.
6096 * tree.h (struct tree_memory_tag): Remove parent_var.
6097 (struct tree_struct_field_tag): New.
6100 (union tree_node): Add sft member.
6101 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6103 (create_sft): Add size and offset argument, set SFT_OFFSET and
6105 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6106 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6107 * tree-flow-inline.h (get_subvar_at): Update for
6108 SFT_OFFSET/SFT_SIZE.
6109 (var_can_have_subvars): Ditto.
6110 (overlap_subvar): Ditto.
6111 * print-tree.c (print_node): Print out interesting things for
6113 * tree-flow.h (struct subvar): Remove offset and size members.
6114 * tree-ssa-operands.c (get_expr_operands): Update for
6115 get_indirect_ref_operands changes.
6116 (get_indirect_ref_operands): Call add_virtual_operand instead of
6117 add_stmt_operand. Only recurse on base var if requested.
6118 (access_can_touch_variable): New function.
6119 (add_stmt_operand): Split virtual operand handling into ...
6120 (add_virtual_operand): Here. Add offset, size, and for_clobber
6121 arguments. Prune alias sets.
6122 (add_call_clobber_ops): Call add_virtual_operand.
6124 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6127 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6129 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6130 than TREE_CODE as index into omp_clause_num_ops array.
6132 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6134 PR rtl-optimization/26184
6135 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6137 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6138 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6139 must_precede, must_follow and tobe_scheduled.
6142 * opts.c (common_handle_option): Free new_option pointer.
6143 * df-core.c (df_analyze): Free postorder pointer.
6145 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6147 * Makefile.in: Fix the examples about the use of stamps
6149 2006-02-15 Michael Matz <matz@suse.de>
6153 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6154 influenced by maximum_field_alignment or DECL_PACKED.
6155 (update_alignment_for_field): Ditto.
6156 (place_field): Ditto.
6157 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
6160 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
6162 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
6163 (debug_flow_info): Pass it.
6164 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
6165 * bb-reorder.c (reorder_basic_blocks): Likewise.
6166 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
6167 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
6168 * flow.c (life_analysis, recompute_reg_usage): Likewise.
6169 * gcse.c (gcse_main, bypass_jumps): Likewise.
6170 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
6171 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
6172 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
6173 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
6174 * rtl.h (dump_flow_info): Adjust prototype.
6175 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
6176 * var-tracking.c (variable_tracking_main): Likewise.
6177 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
6178 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
6181 2006-02-15 Marcin Dalecki <martin@dalecki.de>
6183 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
6186 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6188 PR tree-optimization/26209
6189 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
6190 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
6192 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6194 2006-02-14 Roger Sayle <roger@eyesopen.com>
6197 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6198 (X,Y) and the corresponding symmetry related transformations.
6199 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6200 (X,Y) and its symmetry related transformations.
6202 2006-02-14 Roger Sayle <roger@eyesopen.com>
6204 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6207 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6209 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6211 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6214 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6215 support COMDAT group.
6216 * configure: Regenerate.
6218 2006-02-14 Roger Sayle <roger@eyesopen.com>
6223 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6225 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6227 Fix PR tree-optimization/26260
6229 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6231 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6232 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6233 * tree-ssa-structalias.c (create_variable_info_for): Use
6234 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6236 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6238 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6240 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6241 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6242 of the ending condition.
6243 * tree-ssa-loop-manip.c: Include params.h.
6244 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6245 tree_unroll_loop): New functions.
6246 * tree-pass.h (pass_loop_prefetch): Declare.
6247 * loop.c (rest_of_handle_loop_optimize): Test for
6248 -fprefetch-loop-arrays-rtl.
6249 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6250 * timevar.def (TV_TREE_PREFETCH): New timevar.
6251 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6252 pass_loop_prefetch): New.
6253 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6254 (cleanup_tree_cfg_loop): Call scev_reset.
6255 * common.opt (fprefetch-loop-arrays-rtl): Add.
6256 * tree-ssa-loop-prefetch.c: New file.
6257 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6258 (new_temp_expr_table): Initialize expr_vars.
6259 (free_temp_expr_table): Cleanup expr_vars.
6260 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6261 expressions from being merged into one.
6262 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6263 (struct tree_niter_desc): Add control, bound and cmp fields.
6264 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6266 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6267 (tree-cfgcleanup.o): Add SCEV_H dependency.
6268 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6269 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6271 2006-02-14 Richard Guenther <rguenther@suse.de>
6273 PR tree-optimization/26258
6274 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6275 in PHI argument processing.
6277 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6279 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6280 new expression in the requested machine mode.
6282 2006-02-13 Roger Sayle <roger@eyesopen.com>
6284 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6285 directly, instead let do_compare_rtx_and_jump handle this for us.
6286 * expr.c (expand_expr_real_1): Likewise.
6287 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6288 before do_jump_by_parts_greater.
6289 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6290 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6292 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6294 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6296 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6298 PR rtl-optimization/26235
6299 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6300 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6303 2006-02-13 Jeff Law <law@redhat.com>
6305 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6308 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6311 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6312 twice if decl is a builtin. When trying again, call get_callee_fndecl
6313 first to verify it is still a builtin.
6315 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6317 * dwarf2out.c (base_type_die): Don't add AT_name here.
6318 (subrange_type_die): Don't add AT_name here.
6319 (modified_type_die): Rearrange code flow. Do add AT_name here.
6321 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6323 PR rtl-optimization/26247
6324 PR rtl-optimization/26248
6325 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6327 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6329 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6330 * config/fixtfdi.c: Likewise.
6331 * config/fixunstfdi.c: Likewise.
6332 * config/floatditf.c: Likewise.
6334 2006-02-13 Roger Sayle <roger@eyesopen.com>
6337 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6338 into (X,C2) if C1 is a subset of the bits of C2. Transform
6339 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6341 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6343 2006-02-13 Josh Conner <jconner@apple.com>
6346 * varasm.c (function_section): Check for section name before
6347 calling select_section on targets that define
6348 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6349 unlikely_text_section instead of hot_function_section if
6350 first_function_block_is_cold.
6352 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6355 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6357 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6359 PR rtl-optimization/26222
6360 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6361 after tree->rtl expansion.
6362 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6363 before passing it to emit_move_insn.
6365 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6367 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6369 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6370 Clarify documentation.
6371 * c-common.h (warn_write_strings): Remove.
6372 * c-common.c (warn_write_strings): Likewise.
6373 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6376 2006-02-12 Roger Sayle <roger@eyesopen.com>
6379 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6380 (do_jump_parts_zero_rtx): New function renamed from
6381 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6382 (do_jump_parts_equality_rtx): New function split out from
6383 do_jump_parts_equality. Old implementation renamed as above.
6384 Call do_jump_parts_zero_rtx if either operand is zero.
6385 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6386 do all of the heavy lifting.
6387 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6388 calling either do_jump_by_parts_greater_rtx or
6389 do_jump_by_parts_equality_rtx.
6390 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6391 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
6392 moved to do_compare_rtx_and_jump, call it directly.
6393 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
6394 mode argument. Call do_compare_rtx_and_jump.
6395 (emit_case_nodes): Update calls to do_jump_if_equal.
6397 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6399 PR rtl-optimization/26225
6400 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
6402 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6404 PR rtl-optimization/26232
6405 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
6407 2006-02-11 Jason Merrill <jason@redhat.com>
6410 * tree-inline.c (declare_return_variable): Just don't use the
6411 modify target if it's a gimple complex reg and the return slot
6414 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6416 * doc/contrib.texi: Update my entry.
6418 2006-02-10 Geoffrey Keating <geoffk@apple.com>
6420 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
6422 2006-02-10 Diego Novillo <dnovillo@redhat.com>
6424 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
6427 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
6429 * doc/invoke.texi (-floop-optimize2): Removed.
6430 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
6431 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
6432 Test flag_branch_on_count_reg only if HAVE_doloop_end.
6433 * common.opt (floop-optimize2): Removed.
6434 (fmove-loop-invariants): Enabled by default.
6436 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
6438 * tree-if-conv.c (combine_blocks): Free the result of
6439 get_loop_exit_edges.
6441 2006-02-10 Jeff Law <law@redhat.com>
6443 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
6445 PR tree-optimization/26213
6446 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
6447 loop trying to follow SSA_NAME_VALUE chains.
6449 2006-02-10 Richard Guenther <rguenther@suse.de>
6451 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
6452 deal with structures that end in implicitly variable sized arrays.
6454 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6456 PR rtl-optimization/24762
6457 * df-scan.c (df_bb_refs_record): Record correct registers defined on
6460 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
6462 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
6463 (struct ivopts_data): Add regs_used field.
6464 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
6465 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
6466 instead of loop_data->regs_used;
6467 (free_loop_data): Do not free aux fields for loops.
6468 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
6469 and tree_ssa_iv_optimize_finalize.
6471 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
6473 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
6475 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6478 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
6479 computing the effective result type.
6481 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
6484 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
6485 (tree_overlaps_hard_reg_set): Declare.
6486 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
6487 type and signature to match function type expected by walk_tree.
6488 (tree_overlaps_hard_reg_set): New function.
6489 (decl_conflicts_with_clobbers_p): Rename to:
6490 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
6491 Use tree_overlaps_hard_reg_set. Changed caller.
6492 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
6493 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
6494 * cris.c (cris_md_asm_clobbers): Likewise.
6496 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
6498 * reload1.c (emit_input_reload_insns): Delete code that tries to
6499 inherit using find_equiv_reg.
6501 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
6503 * c-common.h (flag_const_strings): Don't declare.
6504 * c-common.c (flag_const_strings): Remove.
6505 * c.opt (fconst_strings): Remove.
6506 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
6507 <OPT_Wwrite_strings>: Don't set flag_const_strings.
6508 (c_common_init_options): Don't set flag_const_strings.
6509 * doc/invoke.texi (-fno-const-strings): Remove documentation.
6511 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
6513 * arm.md (tlobits_cbranch): New pattern.
6514 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
6515 testing a single bit.
6517 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6520 * tree-ssa-pre.c (create_component_ref_by_pieces):
6521 Handle RETURN_DECL like VAR_DECL.
6523 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6526 * fold-const.c (fold_indirect_ref_1): Fold
6527 "*(foo *)&complexfoo" to "__real__ complexfoo"
6528 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6530 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6532 * tree-flow-inline.h (var_can_have_subvars):
6533 Volatile variables should not have subvariables.
6535 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6538 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6539 multiplying unsigned values.
6542 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6544 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6546 2006-02-08 Jason Merrill <jason@redhat.com>
6549 * tree.def: Elaborate on difference from MODIFY_EXPR.
6550 * doc/c-tree.texi (INIT_EXPR): Likewise.
6551 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6552 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6553 (gimplify_target_expr): Likewise.
6554 (gimplify_cond_expr): Remove target handling.
6555 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6556 (gimplify_expr): Clobber it here.
6557 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6558 Do return slot optimization if we have an INIT_EXPR.
6561 * tree-inline.c (declare_return_variable): Also clear
6562 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6565 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6568 * gimplify.c (gimplify_one_sizepos): Fix typo.
6570 2006-02-08 Jeff Law <law@redhat.com>
6572 PR tree-optimization/21417
6573 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6574 across a backedge if the control statement at the end of the
6575 block is data dependent on other statements in the same block.
6576 (record_temporary_equivalences_from_stmts): Remove over-conservative
6577 test for threading across backedges.
6579 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6580 control statement, handle all three special cases in the same
6581 manner as they all have the same desired solution. No longer
6582 special case edge flag updating when the post dominator is
6585 2006-02-08 Roger Sayle <roger@eyesopen.com>
6587 * tree.def (CHAR_TYPE): Remove.
6588 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6589 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6590 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6591 (gen_string_type_die): Delete unreachable function.
6593 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6594 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6595 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6596 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6597 * builtins.c (type_to_class): Likewise.
6598 * fold-const.c (fold_convert, build_range_check,
6599 merge_ranges): Likewise.
6600 * expr.c (count_type_elements): Likewise.
6601 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6602 * stor-layout.c (layout_type): Likewise.
6603 * ipa-type-escape.c (type_to_consider): Likewise.
6604 * gimplify.c (omp_firstprivatize_type_sizes,
6605 gimplify_type_sizes): Likewise.
6606 * explow.c (promote_mode): Likewise.
6607 * tree-sra.c (is_sra_scalar_type): Likewise.
6608 * varasm.c (output_constant): Likewise.
6609 * tree-inline.c (remap_type_1): Likewise.
6610 * convert.c (convert_to_pointer, convert_to_real,
6611 convert_to_integer, convert_to_complex): Likewise.
6613 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6615 * df-scan.c (df_def_record_1): A set destination may
6616 be a parallel regardless of mode.
6618 2006-02-08 Roger Sayle <roger@eyesopen.com>
6621 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6622 * config/mips/_tilib.c: Remove.
6623 * config/fixtfdi.c: New libgcc source file.
6624 * config/fixunstfdi.c: New source file.
6625 * config/floatditf.c: New source file.
6626 * config/floatunditf.c: New souce file.
6627 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6628 files above instead of config/mips/_tilib.c.
6629 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6631 2006-02-08 Jeff Law <law@redhat.com>
6633 PR tree-optimization/26169
6634 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6637 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6639 * df.h (DF_REG_SIZE): Return the length of the initialized
6642 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6644 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6645 __muldf3): Return a correctly signed zero.
6647 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6649 * passes.c (register_one_dump_file): Accept the current properties
6650 instead of pass number. Adjust call to dump_register. Remove
6652 (register_dump_files): Now a wrapper around...
6653 (register_dump_files_1): ... this one. Do not modify the pass
6655 (next_pass_1): Cosmetic fix.
6656 (execute_todo): Keep second parameter only. Use curr_properties
6657 instead of fetching it from the pass structure. Check and set
6659 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6660 instead of fetching it from the pass structure. Fix calls to
6661 execute_todo. Update curr_properties and initialize .vcg RTL dump
6662 after running the pass. Reset last_verified.
6663 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6665 (FIRST_AUTO_NUMBERED_DUMP): New.
6666 (dump_register): Remove "num" parameter, assign it within the
6668 (get_dump_file_name): Modify template for dumps.
6669 * tree-dump.h (dump_register): Adjust prototype.
6670 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6671 (PROP_trees): Add PROP_gimple_lomp.
6672 (TODO_set_props): New.
6673 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6674 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6675 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6677 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6679 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6680 (sparc64-*-linux*): Likewise.
6681 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6682 * config/sparc/t-linux: New file.
6683 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6684 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6685 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6686 -m32 -mlong-double-128.
6688 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6689 * config/alpha/t-linux: New file.
6690 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6692 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6693 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6694 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6695 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6696 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6697 (CPP_ARCH32_SPEC): Remove.
6699 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6701 PR tree-optimization/26145
6702 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6705 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6708 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6709 >= 240000 when generating code for SOM runtime.
6710 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6711 to $$dyncall when generating code for SOM runtime..
6713 2006-02-07 Dirk Mueller <dmueller@suse.com>
6716 * doc/invoke.texi (-Wsequence-point): Update documentation
6717 that -Wsequence-point is implemented for C++ as well.
6719 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6721 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6722 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6723 (LIB_SPEC): Likewise.
6724 * doc/invoke.texi (SPARC options): Document -pthread.
6726 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6728 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6731 2006-02-07 Roger Sayle <roger@eyesopen.com>
6733 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6734 Correct comment describing BOOLEAN_TYPE.
6736 2006-02-07 Dirk Mueller <dmueller@suse.com>
6738 * c.opt: C++ frontend supports -Wdiv-by-zero.
6739 * c-opts.c (c_common_handle_option): Remove dead case.
6741 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6743 * configure.ac (TLS assembler check): Do not enable TLS by
6744 default on SPARC/Solaris before version 10.
6745 * configure: Regenerate.
6747 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6749 * doc/invoke.texi (xl-compat): Document conversion and support
6752 2006-02-07 Jeff Law <law@redhat.com>
6754 * tree-vrp.c (find_conditional_asserts): Update comments.
6755 (simplify_stmt_for_jump_threading): New.
6756 (identify_jump_threads, finalize_jump_threads): New.
6757 (vrp_finalize): Call identify_jump_threads.
6758 (execute_vrp): Call finalize_jump_threads.
6759 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6760 (vrp_element, vrp_data, vrp_element_p): Remove.
6761 (vrp_hash_elt, vrp_variables_stack): Remove.
6762 (vrp_hash, vrp_eq, record_range): Remove.
6763 (simplify_cond_and_lookup_avail_expr): Remove.
6764 (extract_range_from_cond): Remove.
6765 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6766 (simplify_stmt_for_jump_threading): New.
6767 (dom_thread_across_edge): New wrapper.
6768 (tree_ssa_dominator_optimize): No longer initialize or
6769 finalize any of the VRP datastructures. Remove iteration
6770 step and simplify as a result of removal of iteration step.
6771 (pass_dominator): Perform a cfg cleanup after DOM.
6772 (dom_opt_finalize_block): Use the new common routines
6773 for threading jumps. Simplify stack management slightly.
6774 No longer need to unwind VRP state.
6775 (record_equivalences_from_incoming_edge): No longer record
6777 (eliminate_redundant_computations): No longer call
6778 simplify_cond_and_lookup_avail_expr.
6779 * tree-flow.h (potentially_threadable_block): Prototype.
6780 (thread_across_edge): Likewise.
6781 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6782 (tree-ssa-threadedge.o): Add dependencies.
6783 * tree-ssa-threadedge.c: New file.
6784 * passes.c (init_optimization_passes): Merge PHIs before
6785 calling VRP. Run VRP again late in the SSA optimization pipeline.
6787 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6789 * df-core.c (df_set_blocks): Do not dereference function pointers.
6790 (df_finish1): Likewise.
6791 (df_hybrid_search_forward): Likewise.
6792 (df_hybrid_search_backward): Likewise.
6793 (df_iterative_dataflow): Likewise.
6794 (df_analyze_problem): Likewise.
6795 (df_compact_blocks): Likewise.
6796 (df_dump): Likewise.
6797 * df-scan.c (df_rescan_blocks): Likewise.
6798 (df_record_entry_block_defs): Likewise.
6800 * genconditions.c (write_conditions): Guard the definition of
6801 'insn_conditions' with the check on GCC version.
6802 (write_writer): Guard the traversal 'insn_conditions' with
6803 the check on GCC version.
6805 2006-02-07 Richard Guenther <rguenther@suse.de>
6809 2006-01-30 Richard Guenther <rguenther@suse.de>
6811 * gimplify.c (gimplify_target_expr): Handle easy cases
6812 without creating a temporary.
6814 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6816 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6817 use of float in probability computations. Use edge probabilities
6818 in place of statically computed probabilities.
6819 (min_spec_prob): New static variable.
6820 (schedule_insns): Initialize it.
6821 (GET_SRC_PROB): Removed.
6822 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6824 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6827 * config/ia64/unwind-ia64.c: Revert last change.
6828 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6829 (INCOMING_FRAME_SP_OFFSET): Define.
6831 2006-02-06 Roger Sayle <roger@eyesopen.com>
6833 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6835 2006-02-07 Ben Elliston <bje@au.ibm.com>
6837 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6838 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6839 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6840 (ix86_return_in_memory): Handle TDmode.
6841 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6842 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6844 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6846 * reorg.c (dbr_schedule): Use dump_file instead of file.
6848 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6851 * config/ia64/predicates.md (extr_len_operand): New predicate.
6852 * config/ia64/ia64.md (extv): Tighten constraints.
6854 (*tbit_and_2): Ditto.
6855 (*tbit_and_3): Ditto.
6856 (*tbit_or_2): Ditto.
6857 (*tbit_or_3): Ditto.
6861 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6864 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6866 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6868 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6869 loop_optimizer_init and loop_optimizer_finalize
6870 * tree-ssa-sink.c (execute_sink_code): Ditto.
6871 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6872 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6873 tree_ssa_loop_done): Ditto.
6874 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6875 * sched-ebb.c: Include output.h.
6876 (schedule_ebbs): Do not use dump argument.
6877 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6878 * loop.c (loop_dump_stream): Removed.
6879 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6881 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6882 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6883 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6884 loop_iterations, strength_reduce, record_biv, record_giv,
6885 final_giv_value, check_final_value, check_ext_dependent_givs,
6886 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6887 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6888 dump_file instead of loop_dump_stream.
6889 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6891 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6893 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6894 * haifa-sched.c: Include output.h
6895 (schedule_insns, sched_init): Do not use dump argument.
6896 * mode-switching.c (optimize_mode_switching): Ditto.
6897 * modulo-sched.c (stats_file): Removed.
6898 (print_node_sched_params): Do not call argument dump_file.
6899 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6900 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6902 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6904 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6905 rtl_loop_init, rtl_loop_done): Ditto.
6906 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6907 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6909 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6910 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6911 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6912 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6913 * emit-rtl.c (renumber_insns): Ditto.
6914 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6915 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6916 * regclass.c (regclass): Ditto.
6917 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6918 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6919 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6920 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6922 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6923 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6925 * gcse.c (gcse_file, debug_stderr): Removed.
6926 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6927 rest_of_handle_gcse): Do not use dump argument.
6928 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6929 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6930 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6931 compute_code_hoist_vbeinout, compute_code_hoist_data,
6932 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6933 compute_store_table, build_store_vectors, insert_insn_start_bb,
6934 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6935 store_motion): Use dump_file instead of gcse_file.
6936 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6937 * profile.c (profile_dump_file): Removed.
6938 (branch_prob): Use dump_file instead of profile_dump_file.
6939 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6941 * tree-ssa-copy.c (dump_copy_of): Ditto.
6942 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6943 dump file to life_analysis.
6944 * bt-load.c (branch_target_load_optimize): Ditto.
6945 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6947 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6948 regclass, dbr_schedule): Declaration changed.
6949 * sched-int.h (sched_init): Declaration changed.
6950 * tree-profile.c (tree_profile_dump_file): Removed.
6951 (tree_profile_hooks): Removed profile_dump_file hook.
6952 * rtl-profile (rtl_profile_dump_file): Removed.
6953 (rtl_profile_hooks): emoved profile_dump_file hook.
6954 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6956 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6957 * tree-cfg.c (build_tree_cfg): Ditto.
6958 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6959 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6960 Declaration changed.
6961 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6962 life_analysis and schedule_insns.
6963 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6965 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6967 * config/mips/mips.c (mips_reorg): Ditto.
6968 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6971 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6973 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6974 (s390_mangle_fundamental_type): New.
6975 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6978 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6979 (alpha_mangle_fundamental_type): New.
6980 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6983 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6985 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6987 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6988 (sparc_mangle_fundamental_type): New.
6990 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6992 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6993 (s390x-*-linux*): Likewise.
6994 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6995 * config/s390/t-linux: New file.
6997 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6999 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7000 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7002 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7004 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7005 (ANTIC_SAFE_LOADS): New macro.
7006 (find_or_generate_expression): Add prototype.
7007 (set_contains_value): Allow null set for sake of not always having
7008 to allocate ANTIC_SAFE_LOADS.
7009 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7010 Allow COMPONENT_REF too.
7011 (valid_in_set): Allow COMPONENT_REF.
7012 Check ANTIC_SAFE_LOADS too.
7013 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7014 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7016 (can_PRE_operation): Add COMPONENT_REF.
7017 (create_component_ref_by_pieces): New function.
7018 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7019 (insert_aux): Move AGGREGATE_TYPE_P check here.
7020 (compute_avail): Set bb local stmt uids.
7021 (pass_pre): Use TODO_update_ssa_only_virtuals.
7023 2006-02-06 Ben Elliston <bje@au.ibm.com>
7025 * configure.ac: Unconditionally disable decimal float by default.
7026 * configure: Regenerate.
7028 2006-02-06 Ben Elliston <bje@au.ibm.com>
7030 * read-rtl.c (read_name): Terminate reading on EOF.
7032 2006-02-06 Ben Elliston <bje@au.ibm.com>
7034 * dfp.c (decimal_real_arithmetic): Change second argument type
7035 from int to enum tree_code. Do not always return true, but now
7036 return result of any call to decimal_do helper functions.
7037 * dfp.h (decimal_real_arithmetic): Update prototype.
7039 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7041 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7043 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7046 * tree-cfg.c (cleanup_dead_labels): Also don't remove
7049 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7051 * tree-vrp.c (cfg_loops): Removed.
7052 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
7053 Use current_loops instead of cfg_loops. Pass flags to
7054 loop_optimizer_init.
7055 * cfgloopmanip.c (fix_loop_structure): Update only available
7057 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
7058 loop_optimizer_init.
7059 * modulo-sched.c (build_loops_structure): Removed.
7060 (sms_schedule): Use loop_optimizer_init.
7061 * loop-init.c (loop_optimizer_init): Use flags to determine
7062 which properties of loops to prepare.
7063 (rtl_loop_init): Pass flags to loop_optimizer_init.
7064 * tree-ssa-sink.c (execute_sink_code): Ditto.
7065 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7066 * tree-ssa-pre.c (init_pre): Ditto.
7067 * cfgloop.h (LOOPS_NORMAL): New.
7068 (loop_optimizer_init): Declaration changed.
7070 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7072 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7073 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7075 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7077 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7079 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7080 * pa/t-pa64: Delete quadlib.c rule.
7081 * pa/x-ada: Revert last change.
7082 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7084 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7086 PR rtl-optimization/26087
7087 * rtlanal.c (canonicalize_condition): Do not cross basic block
7090 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7093 * config/ia64/ia64.c: Include debug.h.
7094 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7095 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7096 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7097 (process_epilogue, process_set, process_for_unwind_directive):
7098 Output unwind info only if requested. Add CFA info if requested.
7099 Add new arguments as needed. Adjust callers.
7100 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7102 (DWARF2_FRAME_INFO): Define to zero.
7103 * config/ia64/unwind-ia64.c: Remove code that compensated for
7104 the CFA offset error fixed above.
7105 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7106 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7107 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7108 -funwind-tables and -fexceptions to enable frame info.
7109 (dwarf2out_frame_init): Define initial CFA even if
7110 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7111 DWARF2_UNWIND_INFO is nonzero, not just defined.
7112 (dwarf2out_frame_finish): Output non-EH call frame info only
7113 if DWARF2_FRAME_INFO is nonzero.
7114 (convert_cfa_to_loc_list,
7115 compute_frame_pointer_to_cfa_displacement): Define even if
7116 unwind info is not supported.
7117 (gen_subprogram_die): Use the above unconditionally. Remove
7118 legacy alternate code.
7119 * toplev.c (compile_file): Compile in call to
7120 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7121 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7123 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7124 Jakub Jelinek <jakub@redhat.com>
7126 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7127 IBM extended float format long double as "g" on powerpc*-linux.
7129 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7132 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7133 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7135 2006-02-03 Jason Merrill <jason@redhat.com>
7138 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7141 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7142 on the return slot if it's an NRV.
7144 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
7146 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
7147 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
7148 rewrite_use): Do not handle USE_OUTER.
7149 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7150 add_iv_outer_candidates, may_replace_final_value,
7151 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7152 (find_interesting_uses_op): Functionality of
7153 find_interesting_uses_outer_or_nonlin moved here.
7154 (find_interesting_uses_outside): Use find_interesting_uses_op.
7156 2006-02-03 Alan Modra <amodra@bigpond.net.au>
7159 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
7161 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7162 Ulrich Weigand <uweigand@de.ibm.com>
7165 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
7166 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
7167 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
7168 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
7170 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
7171 (s390_rtx_costs): Use the new fields to calculate rtx costs.
7172 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
7173 Define secondary reloads for TFmode moves.
7174 (constant_modes): Add TFmode.
7175 (NR_C_MODES): Set to 8.
7176 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
7178 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
7179 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
7180 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
7181 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
7182 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
7183 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
7184 (FPR mode macro): Add TFmode.
7185 (DSF mode macro): New.
7186 (<de>, <dee> mode attributes): Removed.
7187 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
7188 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
7189 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
7190 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
7191 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
7192 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7193 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7194 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7195 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7196 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7197 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7198 "*negabs<mode>2", "sqrt<mode>2"):
7199 Changed <de> to <xde>. R constraint replaced by <Rf>.
7200 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7202 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7203 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7204 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7206 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7207 "extenddftf2", "extendsftf2"): New expanders.
7208 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7209 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7210 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7211 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7213 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7214 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7215 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7216 __floatditf): Add a GCC_4.1.0 symbol version tag.
7217 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7220 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7223 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7224 Use targetm.binds_local_p instead of TREE_PUBLIC.
7226 2006-02-02 Roger Sayle <roger@eyesopen.com>
7228 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7229 on INTEGER_TYPEs to indicate that it denotes a character type.
7230 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7231 signed_char_type_node, unsigned_char_type_node and char_type_node.
7232 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7233 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7234 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7236 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7237 Daniel Berlin <dberlin@dberlin.org>
7239 * tree-tailcall.c (arg_needs_copy_p): New function.
7240 (eliminate_tail_call): Use arg_needs_copy_p.
7241 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7242 (add_virtual_phis): New function.
7244 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7246 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7247 #ignore instead of #scratch for %g7 .register directive.
7249 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7251 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7254 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7256 * flow.c (calculate_global_regs_live): Assert that there aren't any
7259 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7261 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7263 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7264 bsi_after_labels iterator.
7265 * tree-if-conv.c (find_phi_replacement_condition,
7266 replace_phi_with_cond_modify_expr): Likewise.
7267 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7268 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7270 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7272 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7274 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7277 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7278 array after growing it.
7280 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7283 * fold-const.c (fold_checksum_tree): Change type of buf.
7285 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7287 * reload.c (push_secondary_reload): Initialize t_icode.
7289 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7291 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7292 -msoft-float -mlong-double-128 only issue a warning, but don't
7293 swich to DFmode long double.
7295 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7297 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7298 has a constant equivalent, iterate over equivalents for arg0,
7299 calling simplify_relational_operation and if there's a result
7300 cheaper than X, apply fold_rtx and return the result.
7302 2006-02-01 Jan Hubicka <jh@suse.cz>
7304 * opts.c (no_unit_at_a_time_default): New global variable.
7305 (decode_options): Use it.
7306 * opts.h (no_unit_at_a_time_default): Declare.
7308 2006-02-01 Paul Brook <paul@codesourcery.com>
7310 * function.c (assign_parm_setup_reg): Use function argument promotion
7312 * expr.c (expand_expr_real_1): Use function argument promotion rules
7315 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7317 * gcc.c (process_command): Change j to 'unsigned int'.
7319 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7322 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7323 Use the corrected index for the character
7324 out of the string constant.
7326 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7328 * mode-switching.c (optimize_mode_switching): Fix size
7329 allocated for bb_info[n_entities].
7331 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7333 * gcc.c (main): Correct type that is allocated for
7334 explicit_link_files.
7336 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7338 * config/s390/s390.c (init_alignment_context): Set
7339 ALIAS_SET_MEMORY_BARRIER on the MEM.
7340 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7342 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7345 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7347 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7350 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7352 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7353 * regrename.c: Ditto.
7354 * tree-ssa-loop-im.c: Ditto.
7355 * tree-dump.c: Ditto.
7356 * tree-complex.c: Ditto.
7357 * genrecog.c: Ditto.
7358 * tree-ssa-threadupdate.c: Ditto.
7360 * java/class.c: Ditto.
7361 * java/jcf-parse.c: Ditto.
7362 * java/resource.c: Ditto.
7363 * java/except.c: Ditto.
7364 * java/jvspec.c: Ditto.
7365 * java/jcf-write.c: Ditto.
7366 * java/jcf-path.c: Ditto.
7367 * java/gjavah.c: Ditto.
7368 * java/zextract.c: Ditto.
7369 * java/jcf-io.c: Ditto.
7370 * java/jcf.h: Ditto.
7371 * java/buffer.c: Ditto.
7372 * java/lang.c: Ditto.
7373 * java/parse-scan.y: Ditto.
7374 * java/lex.c: Ditto.
7375 * java/lex.h: Ditto.
7376 * cfgloopmanip.c: Ditto.
7377 * postreload-gcse.c: Ditto.
7378 * tree-ssa-loop-manip.c: Ditto.
7379 * postreload.c: Ditto.
7380 * tree-ssa-loop-ch.c: Ditto.
7384 * diagnostic.c: Ditto.
7386 * genoutput.c: Ditto.
7388 * cfghooks.c: Ditto.
7389 * cfgloopanal.c: Ditto.
7390 * objc/objc-act.c: Ditto.
7392 * genextract.c: Ditto.
7393 * genautomata.c: Ditto.
7394 * pretty-print.c: Ditto.
7396 * cgraphunit.c: Ditto.
7399 * haifa-sched.c: Ditto.
7400 * dominance.c: Ditto.
7402 * tree-ssa-loop-ivopts.c: Ditto.
7404 * mode-switching.c: Ditto.
7405 * modulo-sched.c: Ditto.
7407 * ipa-pure-const.c: Ditto.
7409 * fix-header.c: Ditto.
7411 * tree-stdarg.c: Ditto.
7412 * ipa-utils.c: Ditto.
7413 * loop-init.c: Ditto.
7414 * ipa-inline.c: Ditto.
7417 * alloc-pool.c: Ditto.
7418 * dwarf2out.c: Ditto.
7420 * genattrtab.c: Ditto.
7421 * tree-ssa-loop-ivcanon.c: Ditto.
7425 * fortran/gfortranspec.c: Ditto.
7427 * local-alloc.c: Ditto.
7428 * langhooks.c: Ditto.
7429 * function.c: Ditto.
7430 * tree-vectorizer.c: Ditto.
7432 * ipa-type-escape.c: Ditto.
7434 * tree-if-conv.c: Ditto.
7437 * tree-data-ref.c: Ditto.
7438 * loop-unroll.c: Ditto.
7439 * treelang/treetree.c: Ditto.
7442 * ggc-common.c: Ditto.
7444 * coverage.c: Ditto.
7446 * tree-cfgcleanup.c: Ditto.
7447 * tree-ssa-pre.c: Ditto.
7448 * cfgcleanup.c: Ditto.
7449 * loop-invariant.c: Ditto.
7451 * ipa-prop.c: Ditto.
7452 * print-tree.c: Ditto.
7453 * conflict.c: Ditto.
7454 * ggc-page.c: Ditto.
7455 * sched-deps.c: Ditto.
7456 * regclass.c: Ditto.
7457 * tree-object-size.c: Ditto.
7459 * bb-reorder.c: Ditto.
7460 * resource.c: Ditto.
7461 * var-tracking.c: Ditto.
7463 * df-problems.c: Ditto.
7464 * reg-stack.c: Ditto.
7467 * sched-rgn.c: Ditto.
7468 * tree-ssa-structalias.c: Ditto.
7469 * tree-ssa-reassoc.c: Ditto.
7470 * config/darwin-c.c: Ditto.
7471 * config/darwin.c: Ditto.
7472 * config/arm/arm.c: Ditto.
7474 * collect2.c: Ditto.
7477 2006-01-31 Nicolas Pitre <nico@cam.org>
7479 * arm.md (smaxsi3): Make aware of smax_m1.
7482 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
7484 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
7486 2006-01-31 Richard Guenther <rguenther@suse.de>
7488 * doc/invoke.texi (-msselibm): Document.
7489 * target.h (expand_library_builtin): New target hook.
7490 * builtins.c (expand_builtin): Use expand_library_builtin.
7491 (default_expand_library_builtin): New function.
7492 * gcc.c (LINK_GCC_MATH_SPEC): Define.
7493 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
7494 (link_gcc_math_spec): Declare.
7495 (static_specs): Add link_gcc_math_spec.
7496 * expr.h (default_expand_library_builtin): Declare.
7497 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7498 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
7499 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
7500 * config/i386/i386.opt (msselibm): New target option.
7501 * config/i386/i386.c (ix86_builtin_function_variants): New array.
7502 (ix86_init_sse_abi_builtins): New function.
7503 (ix86_expand_library_builtin): Likewise.
7504 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
7505 (override_options): Handle error conditions wrt -msselibm.
7506 (ix86_builtins): Add function codes for SSE2 ABI builtins.
7507 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
7508 * doc/extend.texi (__builtin_sse2_*): Document new target specific
7511 2006-01-31 Richard Guenther <rguenther@suse.de>
7512 Paolo Bonzini <bonzini@gnu.org>
7514 * doc/install.texi (--disable-libgcc-math): Document.
7516 2006-01-30 Marcin Dalecki <martin@dalecki.de>
7518 * expr.h (expand_normal): new inline function.
7519 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7521 * dwarf2out.c: use it.
7526 * config/sparc/sparc.c: use it.
7527 * config/i386/i386.c: use it.
7528 * config/rs6000/rs6000.c: use it.
7529 * config/arm/arm.c: use it.
7530 * config/mips/mips.c: use it.
7531 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7533 2006-01-30 Roger Sayle <roger@eyesopen.com>
7535 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7536 argv to the appropriate type.
7538 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7540 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7543 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7546 * config/s390/s390.c (struct machine_function): New flag
7547 decomposed_literal_pool_addresses_ok_p.
7548 (s390_reorg): Set it before final stage of literal pool transforms.
7549 (s390_decompose_address): Only accept displacements of the form
7550 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7552 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7554 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7555 the comparison routine return.
7557 2006-01-30 Michael Matz <matz@suse.de>
7559 * global.c (find_reg): Only evict for global regs.
7560 Take n_refs into account and dump more info.
7562 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7565 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7566 (pragma_trap, pragma_nosave_low_regs): Likewise.
7567 (current_function_anonymous_args): Likewise.
7568 (sh_deferred_function_attributes): New variable.
7569 (sh_deferred_function_attributes_tail): Likewise.
7570 (print_operand): For '@', look up trap_exit attribute.
7571 (calc_live_regs): Look up trapa_handler attribute. For trapa
7572 handlers, save/restore fpscr, but don't do any other
7573 interrupt-specific saves.
7574 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7575 Fix check for partially saved registers to check for SHmedia.
7576 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7577 (sh_output_function_epilogue): Don't clear any of the removed
7579 (sh_insert_attributes): Don't check pragma_interrupt.
7580 Insert deferred attributes. Check that interrupt attribute is
7581 present for other attributes that require its presence.
7582 (sh_attribute_table): Add new attributes trapa_handler and
7584 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7585 Don't check for pragma_interrupt. Don't store argument.
7586 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7587 (sh_deferred_function_attributes): Declare.
7588 (sh_deferred_function_attributes_tail): Likewise.
7589 * sh.md (sp_switch_1): Add operand. Change generator caller.
7590 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7591 (*return_i): Don't use when trap_exit attribute is in effect.
7592 (*return_trapa): New insn pattern.
7594 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7595 setting c_target_objs and cxx_target_objs.
7596 * t-sh: Add rule for sh-c.o.
7598 2006-01-30 Richard Guenther <rguenther@suse.de>
7601 * gimplify.c (gimplify_target_expr): Handle easy cases
7602 without creating a temporary.
7604 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7606 * vec.h (safe_grow): Remove duplicated line.
7608 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7611 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7612 (expand_omp): ... here.
7613 (expand_omp_parallel): Only remove barriers for combined
7614 parallel+workshare constructs.
7616 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7620 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7621 * tree.c (build_qualified_type): Chain the new type to the original
7622 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7623 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7624 (build_pointer_type_for_mode): Only return unqualified types.
7625 (build_reference_type_for_mode): Likewise.
7627 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7629 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7630 * Makefile.in (CXX_COMPAT_WARN): Define.
7631 * configure: Regenerate.
7633 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7636 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7639 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7641 * toplev.c: Fix thinko.
7643 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7644 Marcin Dalecki <martin@dalecki.de>
7646 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7647 (push_srcloc): Use XNEW.
7648 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7650 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7652 * df-core.c (df_set_blocks): Deleted all variable.
7654 2006-01-28 Ian Lance Taylor <ian@airs.com>
7656 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7657 cgraph_output_pending_asms.
7659 2006-01-28 Zack Weinberg <zackw@panix.com>
7661 * c.opt: Add -W(no-)overlength-strings.
7662 * doc/invoke.texi: Document it.
7663 * c-opts.c (c_common_handle_option): -pedantic implies
7664 -Woverlength-strings, if not explicitly disabled already.
7665 (c_common_post_options): -Woverlength-strings defaults to off, and
7666 is always off for C++.
7667 * c-common.c (fix_string_type): Issue warning about strings longer
7668 than is portable only if warn_overlength_strings. Rearrange code
7669 a little for clarity.
7670 * configure.in: Check for -Wno-overlength-strings as well before
7671 enabling -pedantic in stage 1.
7672 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7673 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7675 * genconditions.c (write_header, write_one_condition)
7676 (write_conditions, write_writer): Consolidate very long strings
7677 that were broken up to fit in C89 portable limit. Don't use
7678 printf when fputs will do.
7680 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7682 * combine.c (simplify_comparison <AND>): Check
7683 TRULY_NOOP_TRUNCATION before start using a subreg.
7685 * config/mips/mips.md (*branch_zero<mode>,
7686 *branch_zero<mode>_inverted, *branch_equality<mode>,
7687 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7688 Remove mode check from comparisons.
7690 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7692 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7694 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7696 * expmed.c (const_mult_add_overflow_p): Remove.
7697 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7699 * recog.c (validate_replace_rtx_subexp): Remove.
7700 * recog.h: Remove the prototype for
7701 validate_replace_rtx_subexp.
7703 * integrate.h: Remove the prototype for
7704 copy_decl_for_inlining.
7705 * rtl.h: Remove the prototype for mark_constant_function.
7706 * tree-vectorizer.h: Remove the prototype for
7707 vect_strip_conversion.
7709 * modulo-sched.c (create_partial_schedule,
7710 free_partial_schedule, reset_partial_schedule): Make them
7713 * hooks.c (hook_bool_rtx_int_false): Remove.
7714 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7716 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7718 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7719 and -mlong-double-128 are incompatible.
7720 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7721 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7722 (TARGET_LIBGCC2_CFLAGS): Define.
7723 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7724 (TARGET_LIBGCC2_CFLAGS): Same.
7725 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7727 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7730 * c-typeck.c (build_binary_op): Perform implicit casts of
7731 operands before shortening them.
7733 * cfgloopmanip.c (split_loop_bb): Remove.
7734 * cfgloop.h: Remove the prototype for split_loop_bb.
7736 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7737 * cfgloop.h: Remove the prototype for
7738 flow_loop_outside_edge_p.
7740 * emit-rtl.c (init_virtual_regs): Make it static.
7741 * function.h: Remove the prototype for init_virtual_regs.
7743 * recog.c (peephole2_optimize): Make it static.
7744 * recog.h: Remove the prototype for peephole2_optimize.
7746 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7748 * df-scan.c (df_record_entry_block_defs): Check if
7749 INCOMING_RETURN_ADDR_RTX is defined.
7751 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7752 Kenneth Zadeck <zadeck@naturalbridge.com>
7754 PR rtl-optimization/24762
7755 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7756 * targhooks.c (hook_void_bitmap): New hook prototype.
7757 * targhoohs.h (hook_void_bitmap): Ditto.
7758 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7759 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7760 * target.h (live_on_entry): New function pointer.
7761 * df-scan.c (df_all_hard_regs): Removed.
7762 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7763 (df_scan_free_internal): Added df->entry_block_defs.
7764 (df_scan_alloc): Ditto.
7765 (df_scan_dump): Ditto.
7766 (df_uses_record): Plumbed flag field properly thru calls.
7767 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7768 This part fixes PR24762.
7769 (df_bb_refs_record): Added code to make the frame and arg
7770 pointers live in EH blocks.
7771 (df_refs_record): Added call to df_record_entry_block_defs.
7772 (df_record_entry_block_defs): New function.
7773 * df-core.c: Added comments to describe new artifical defs.
7774 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7775 (entry_block_defs): New field in struct df.
7776 (df_all_hard_regs): Deleted.
7777 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7778 * df-problems.c (df_ru_bb_local_compute_process_def):
7779 Added code to handle artifical defs in the entry to a function.
7780 (df_ru_bb_local_compute): Ditto.
7781 (df_rd_bb_local_compute_process_def): Ditto.
7782 (df_rd_bb_local_compute): Ditto.
7783 (df_lr_bb_local_compute): Ditto.
7784 (df_ur_bb_local_compute): Ditto.
7785 (df_urec_bb_local_compute): Ditto.
7786 (df_chain_create_bb): Ditto.
7787 (df_ur_local_finalize): Removed entry.
7788 (df_urec_init): Ditto.
7789 (df_urec_local_finalize): Ditto.
7790 (df_ri_bb_compute): Added detection of last use of pseudos.
7791 * Makefile.in (df-scan.o): Updated dependencies.
7792 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7793 * config/mips/mips.c (mips_set_live_on_entry): Added.
7794 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7796 * dce.c (marked_insn_p): Added code to handle artifical defs.
7798 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7800 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7802 (_mm_cvtsi128_si64): Likewise.
7803 (_mm_cvtsd_si64): Likewise.
7804 (_mm_cvttsd_si64): Likewise.
7805 (_mm_cvtsi64_sd): Likewise.
7806 (_mm_cvtsi64_si128): Likewise.
7807 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7808 (_mm_cvtsi64_m64): Likewise.
7809 (_m_to_int64): Likewise.
7810 (_mm_cvtm64_si64): Likewise.
7811 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7812 (_mm_cvttss_si64): Likewise.
7813 (_mm_cvtsi64_ss): Likewise.
7814 (_mm_cvtss_f32): Likewise.
7816 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7818 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7819 for pragma redefine_extname.
7821 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7824 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7825 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7826 -mno-minimal-toc to previous content.
7827 (bispecs): Remove goal.
7828 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7829 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7830 compatibility aliases on powerpc-*-*gnu*.
7831 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7832 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7833 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7834 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7835 (ldblspecs): New goal.
7836 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7837 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7839 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7840 L_sf_to_tf or L_df_to_tf is defined.
7842 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7843 Alan Modra <amodra@bigpond.net.au>
7846 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7847 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7848 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7849 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7850 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7851 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7852 (rs6000_override_options): Initialize rs6000_ieeequad.
7853 Initialize TFmode format to ibm_extended_format if not
7855 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7857 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7858 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7859 (function_arg_advance): IBM long double passed in two FPRs, not
7861 (function_arg): IBM long double passed in FPRs.
7862 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7863 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7864 Only multireg GPR aligned.
7865 (rs6000_init_libfuncs): Enable IBM long double functions if not
7867 (rs6000_generate_compare): Use IBM long double compare if not
7869 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7870 (TARGET_IEEEQUAD): Define.
7871 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7872 not TARGET_IEEEQUAD.
7873 * config/rs6000/rs6000.md: Enable TFmode patterns if
7875 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7876 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7877 and -mlong-double-128 are incompatible.
7878 * doc/invoke.texi (-mabi): Collect options together. Add
7879 ibmlongdouble and ieeelongdouble.
7881 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7883 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7885 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7886 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7887 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7888 * rtl.h (rtunion_def): Remove rt_ptr.
7890 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7891 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7892 * config/i386/winnt.c (i386_pe_mark_dllexport)
7893 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7895 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7897 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7899 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7903 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7904 pthread_key_delete. From John David Anglin. gthrw-ify
7905 pthread_getunique_np only if it it's not a macro. Delete
7907 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7908 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7909 __gthread_objc_condition_signal, __gthread_key_delete): Add
7910 "__attribute__ ((__unused__))" to unused arguments.
7911 (__gthread_recursive_mutex_init_function): Add missing return.
7912 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7913 gthr-posix95.h: Use macro-based approach for name redirection
7914 on targets missing weakref.
7916 2006-01-26 Zack Weinberg <zackw@panix.com>
7918 * genconditions.c (write_header): In generated code, #ifdef out
7919 all includes and fake declarations, except includes of bconfig.h
7920 and system.h, unless GCC_VERSION >= 3001. Do not include
7921 gensupport.h in any case.
7922 (write_conditions): Generate a definition of struct c_test. Add
7923 a comment to the generated #endif.
7924 (write_one_condition): Escape backslashes in string too.
7925 (write_writer): Generated code must escape backslashes and quote
7926 marks (but not newlines) in the strings it writes.
7927 * Makefile.in (build/gencondmd.o): Update dependencies.
7929 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7932 * Makefile.in (insn-automata.o): Add header file dependencies.
7933 * genautomata.c: Add includes.
7935 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7938 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7940 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7942 * configure.ac: Expect target tools paths to be passed from the toplevel
7943 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7945 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7947 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7950 * c.opt (Wpointer-sign): Init to -1.
7951 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7952 OPT_pedantic, to 0 otherwise.
7953 * doc/invoke.texi: Update.
7955 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7957 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7958 constants provided by 80387 instructions in the destination mode.
7960 2006-01-26 Richard Guenther <rguenther@suse.de>
7961 Andrew Pinski <pinskia@physics.uc.edu>
7964 partial PR tree-opt/17064
7965 * tree-ssa-structalias.c (intra_create_variable_infos):
7966 Create heap variables for incoming parameters if
7967 flag_argument_noalias > 1.
7968 (find_what_p_points_to): Look through default defs of
7971 2006-01-26 Jeff Law <law@redhat.com>
7974 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7975 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7976 within the VR_RANGE, use the VR_RANGE as the result, not the
7978 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7979 bounds for the type.
7981 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7983 * tree-ssa-alias.c (maybe_create_global_var): Change
7984 subvar walking to an assertion that we don't have subvar'd variables.
7986 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7989 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7990 Use a new variable, inner. PARM_DECLs are always non-weak.
7992 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7994 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7997 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7999 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8001 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8003 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8004 (smax_insn, smin_insn, smax_0, smin_0): New.
8006 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8009 * config/cris/cris.c (cris_order_for_addsi3): New function.
8010 * config/cris/cris-protos.h: Prototype it.
8011 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8012 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8013 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8014 (split for "op.S1 [rx=rx+i],ry (swapped)")
8015 (split for "op(s|u).S1 [rx=rx+i],ry")
8016 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8017 Apply cris_order_for_addsi3 when generating addsi3 insns.
8019 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8021 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8022 (TREE_BLOCK): Add call to EXPR_CHECK.
8024 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8027 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8028 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8029 (dump_omp_clauses): ... here.
8030 (dump_generic_node): Handle OMP_CLAUSE.
8031 * tree.c (omp_clause_num_ops): New.
8032 (omp_clause_code_name): New.
8033 (tree_code_size): Handle OMP_CLAUSE.
8034 (tree_size): Likewise.
8035 (make_node): Document handling of OMP_CLAUSE.
8036 (tree_node_structure): Handle OMP_CLAUSE.
8037 (omp_clause_check_failed): New.
8038 (omp_clause_range_check_failed): New.
8039 (omp_clause_operand_check_failed): New.
8040 (build_omp_clause): New.
8041 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8042 * tree.h (enum omp_clause_code): Declare.
8043 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8044 (OMP_CLAUSE_RANGE_CHECK): Define.
8045 (OMP_CLAUSE_ELT_CHECK): Define.
8046 (omp_clause_check_failed): Declare.
8047 (omp_clause_operand_check_failed): Declare.
8048 (omp_clause_range_check_failed): Declare.
8049 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
8050 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
8051 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
8052 (OMP_CLAUSE_LASTPRIVATE): Likewise.
8053 (OMP_CLAUSE_IF_EXPR): Likewise.
8054 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
8055 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
8056 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
8057 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
8058 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8059 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8060 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8061 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8062 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8063 (OMP_CLAUSE_CODE): Define.
8064 (OMP_CLAUSE_SET_CODE): Define.
8065 (OMP_CLAUSE_CODE): Define.
8066 (OMP_CLAUSE_OPERAND): Define.
8067 (struct tree_omp_clause): Declare.
8068 (union tree_node): Add field 'omp_clause'.
8069 * treestruct.def (TS_OMP_CLAUSE): Define.
8070 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8071 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8072 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8073 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8074 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8075 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8076 (OMP_CLAUSE): Define.
8077 * print-tree.c (print_node): Handle OMP_CLAUSE.
8078 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8079 * c-typeck.c: Likewise.
8080 * gimplify.c: Likewise.
8081 * c-omp.c: Likewise.
8082 * tree-nested.c: Likewise.
8083 * tree-inline.c: Likewise.
8084 * c-parser.c: Likewise.
8085 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8088 2006-01-25 Roger Sayle <roger@eyesopen.com>
8090 PR rtl-optimization/25703
8091 * combine.c (try_combine): Handle zero_extract and strict_low_part
8092 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8094 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8096 * global.c: Fix comment typos.
8098 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8101 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8102 Use output_addr_const instead of assemble_name.
8104 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8106 * Makefile.in (sched-vis.o): Update dependencies.
8107 * haifa-sched.c (sched_finish): Clear current_sched_info.
8108 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8109 (dump_flow_info): Call it.
8110 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8112 * basic-block.h (dump_bb_info): Declare.
8113 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8114 option, and apply options only for dump files whose TDF_RTL,
8115 TDF_TREE, or TDF_IPA bits match.
8116 * rtl.h: Declare new functions exported from sched-vis.c.
8117 * sched-vis.c: Enable also if scheduling is not used.
8118 (print_value): Print the mode of registers if not inside scheduling.
8119 (print_insn): Make it work outside the scheduler. Beautify the output
8121 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8123 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8125 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8126 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8127 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8128 depending on the value of CONSTANT_POOL_ADDRESS_P.
8129 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8131 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8132 rather than SYMBOL_REF_DECL.
8133 (rtx_constant_pool): Remove const_rtx_sym_htab.
8134 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8135 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8136 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8137 Remove handling of const_rtx_sym_htab.
8138 (find_pool_constant): Delete.
8139 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8140 rather than find_pool_constant.
8141 (get_pool_constant_for_function): Delete.
8142 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8144 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
8145 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
8146 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
8147 (SYMBOL_REF_CONSTANT): New macro.
8148 (get_pool_constant_for_function): Delete.
8149 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8150 rather than SYMBOL_REF_DECL.
8151 (i386_pe_mark_dllimport): Likewise.
8152 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8153 rather than SYMBOL_REF_DECL.
8154 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8155 (machopic_indirect_call_target): Likewise.
8157 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
8159 * flow.c (delete_noop_moves): Add missing EOL to dump message.
8161 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8163 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
8165 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
8167 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
8169 2006-01-24 David Daney <ddaney@avtrex.com>
8172 * configure.ac (enable_tls): New enable option.
8173 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
8174 * configure: Regenerate.
8175 * doc/install.texi (--enable-tls): Document new option.
8176 (--disable-tls): Ditto.
8178 2006-01-24 Richard Henderson <rth@redehat.com>
8180 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
8181 * alias.c (true_dependence): Respect it.
8182 (canon_true_dependence, write_dependence_p): Likewise.
8183 * builtins.c (get_builtin_sync_mem): Set it.
8185 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
8187 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
8190 2006-01-24 DJ Delorie <dj@redhat.com>
8192 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8193 for storing constants in single-bit bitfields.
8195 2006-01-25 Ben Elliston <bje@au.ibm.com>
8197 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8199 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8202 * tree-ssa-pre.c (phi_translate): Return NULL
8203 for AGGREGATE_TYPE's.
8205 2006-01-24 Zack Weinberg <zackw@panix.com>
8207 * genautomata.c (process_state_for_insn_equiv_partition):
8208 Use xcalloc for insn_arcs_array.
8209 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8210 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8212 2006-01-24 Richard Henderson <rth@redhat.com>
8214 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8217 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8219 PR rtl-optimization/25890
8220 PR rtl-optimization/25905
8221 * combine.c (expand_compound_operation, expand_field_assignment):
8222 Fail if the bitfield's final position is out of bounds.
8224 2006-01-24 Ian Lance Taylor <ian@airs.com>
8227 * cgraphunit.c (cgraph_output_in_order): Don't clear
8228 cgraph_asm_nodes until after asm strings have been output.
8230 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8232 * fix-header.c (read_scan_file): Add new parameter imultilib when
8233 calling register_include_chains.
8235 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8237 * omp-low.c: Update documentation.
8239 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8240 Daniel Berlin <dberlin@dberlin.org>
8244 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8245 return from the function.
8247 2006-01-22 Zack Weinberg <zackw@panix.com>
8249 * rtl.def (match_code): Add second argument.
8250 * genpreds.c (write_extract_subexp): New function.
8251 (write_match_code): Add path argument. Use write_extract_subexp.
8252 (write_predicate_expr): Pass path to write_match_code.
8253 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8254 not perform a mode test.
8255 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8256 a subexpression does not constrain the top-level code set.
8257 * read-rtl.c (read_rtx_variadic): New function.
8258 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8259 * doc/md.texi: Document new notation.
8260 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8261 (cmpsi_operand): ... here, using new notation.
8263 2006-01-22 Zack Weinberg <zackw@panix.com>
8265 * varray.c: Remove GENERATOR_FILE #ifdefs.
8267 2006-01-22 Zack Weinberg <zackw@panix.com>
8269 * genautomata.c (output_reserved_units_table): Emit nothing if
8270 description->query_units_num is zero. Remove extra blank line.
8271 (output_cpu_unit_reservation_p): Short circuit
8272 if description->query_units_num is zero.
8274 2006-01-22 Zack Weinberg <zackw@panix.com>
8276 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8277 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8278 nor any of the random handful of variables that used to be necessary
8279 when this program was linked with rtlanal.o. Prune set of forward
8280 function declarations.
8281 (struct attr_desc): Remove static_p field.
8282 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8283 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8284 (attr_string): Do not read the character one past the length of
8286 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8287 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8288 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8289 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8290 (make_automaton_attrs): New.
8291 (main): Do not call into genautomata. Call local gen_bypass
8292 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8293 Remove special case for insn_alts.
8294 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8295 varray.h (leftover from previous change). Prune set of forward
8296 function declarations. Remove state_alts fields from all
8297 structures. Remove state_alts_table from struct automaton.
8298 Make everything except main static. Do not maintain num_dfa_decls.
8299 Do not maintain state_alts fields of various structures.
8300 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8301 (add_arc): Remove state_alts argument. All callers updated.
8302 (output_reserved_units_table): Emit #ifdef here...
8303 (output_tables): ...not here. Don't generate state_alts tables.
8304 (expand_automata): Don't generate attributes.
8305 (write_automata): Don't generate state_alts functions.
8306 (main): New function.
8307 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8308 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8309 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8310 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8311 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8312 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8313 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8314 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8316 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8317 * genattrtab.h: Delete file.
8318 * Makefile.in (OBJS-common): Add insn-automata.o.
8319 (insn-automata.o): New rule.
8320 (simple_generated_c): Add insn-automata.c.
8321 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8322 (genprogmd): Add automata.
8323 (build/genattrtab): Needs no extra objects nor libraries.
8324 (build/genautomata): Needs build/vec.o and -lm.
8326 2006-01-22 Zack Weinberg <zackw@panix.com>
8328 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8329 (output_dfa_max_issue_rate, locked_states_num): Delete.
8330 (struct automaton): Add locked_states field.
8331 (output_dead_lock_vect): Save number of locked states in
8332 automaton->locked_states. If it is zero, don't print anything.
8333 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8334 (output_internal_dead_lock_func): Only test the dead_lock_vect
8335 for automata that have locked states.
8336 (output_statistics): Always print the number of locked states for
8337 each automaton. Calculate total number of locked states here.
8338 (write_automata): Don't call output_dfa_max_issue_rate.
8339 * genattrtab.c: Define length_unit_log as a const variable.
8340 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8341 max_insn_queue_index const.
8342 * final.c (length_unit_log): Declare const.
8343 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8345 2006-01-22 Zack Weinberg <zackw@panix.com>
8347 * genautomata.c: Include vec.h, not varray.h.
8348 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8349 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8350 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8351 VEC_* macros operating on appropriately typed vectors, or to
8352 malloced arrays when the size is known in advance. Const-ify
8353 many char* variables and function arguments. No functional changes.
8354 * Makefile.in (build/varray.o): Delete rule.
8355 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8356 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8358 2006-01-22 Zack Weinberg <zackw@panix.com>
8360 * gensupport.c: Define get_insn_name and record_insn_name here.
8361 (read_md_rtx): Call record_insn_name as appropriate.
8362 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8363 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8364 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8366 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8367 (BUILD_VARRAY): Delete.
8368 (genprognormal): Rename genprogmd. Fold in all programs from
8369 genprognoprint; also attrtab.
8370 (build/genattrtab): Just mention genautomata.o and varray.o.
8371 Reorganize a bit, add comments to make the categories clearer.
8373 2006-01-22 Zack Weinberg <zackw@panix.com>
8375 * genconditions.c (condition_table, add_condition): Delete.
8376 (write_conditions): Don't emit n_insn_conditions nor
8377 insn_elision_unavailable. Issue the gcc version #ifdef here,
8378 inside the table, with no #else clause ...
8379 (write_header): ...not here.
8380 (write_writer): New function.
8381 (main): Don't initialize condition_table. Use add_c_test.
8383 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8384 files on the command line.
8385 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8386 Return -1 if there is no entry in the table, don't abort.
8387 (add_c_test, traverse_c_tests): New functions.
8388 * gensupport.h (insn_elision_unavailable, insn_conditions)
8389 (n_insn_conditions): Delete declarations.
8390 (add_c_test, traverse_c_tests): Declare.
8391 * read-rtl.c: Include gensupport.h.
8392 (read_conditions): New function.
8393 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
8394 (read_rtx_1): If we get EOF when we were looking for an initial
8395 open paren, return 0. Call read_conditions when appropriate.
8396 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
8397 dummy-conditions.o. Eliminate references to insn-conditions.o,
8398 or change them to build/gencondmd.o, as appropriate. Remove
8399 insn-constants.h from $(simple_generated_h) and insn-conditions.c
8400 from $(simple_generated_c). For all files remaining in those
8401 two lists, add insn-conditions.md to the generator command line.
8402 Give insn-constants.h/s-constants their own rules. Add rules
8403 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
8404 (build/read-rtl.o): Depend on gensupport.h.
8405 (genprognormal): Include preds.
8406 (genprogearly): Rename genprognoprint; only difference is now that
8407 they don't link with $(BUILD_PRINT).
8408 * dummy-conditions.c: Delete.
8410 2006-01-22 Zack Weinberg <zackw@panix.com>
8412 * genextract.c: Don't include insn-config.h. Do include vec.h.
8413 Declare vectors of int, char, and locstr.
8414 (locstr): New typedef.
8415 (struct extraction): Make all array fields into bare pointers.
8416 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
8417 (insn_code_number): Delete.
8418 (accum_extract): New struct.
8419 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
8420 (gen_insn): Take insn_code_number as an argument. Use an
8421 accum_extract structure instead of loading data directly into
8422 a struct extraction, and having to know how big it might get.
8423 (walk_rtx): Operate entirely on an accum_extract structure.
8424 (print_path): Avoid unnecessary use of printf.
8425 (print_header): New function, split out of main. Distinguish
8426 more carefully between an unrecognizable insn and an insn that
8427 has the code number of a define_expand.
8428 (main): Pass insn_code_number to gen_insn. Call print_header
8429 only after parsing. Avoid unnecessary use of printf.
8430 * Makefile.in (build/vec.o): New rule.
8431 (build/genextract): Depend on build/vec.o.
8432 (build/genextract.o): Don't depend on insn-config.h.
8434 2006-01-22 Zack Weinberg <zackw@panix.com>
8436 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
8437 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
8438 practical. Eliminate per-generator-program link rules.
8440 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8443 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
8444 with a call expr to ...
8445 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
8447 2006-01-23 Richard Guenther <rguenther@suse.de>
8449 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
8450 before make_edge with conditional EDGE_TRUE_VALUE.
8452 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
8453 Jan Hubicka <jh@suse.cz>
8454 Richard Guenther <rguenther@suse.de>
8456 PR rtl-optimization/25654
8457 * cfgexpand.c (aggregate_contains_union_type): New function.
8458 (add_alias_set_conflicts): Call it. Make sure to add conflicts
8459 for structure variables that contain a union type.
8461 2006-01-23 Richard Sandiford <richard@codesourcery.com>
8463 * gengtype.c (new_structure): Return the structure.
8464 (create_option): Add an extra "next" argument.
8465 (create_field): New function.
8466 (adjust_field_rtx_def): Use create_option and create_field.
8467 Remove a now-unnecessary call to find_structure.
8468 (adjust_field_tree_def): Likewise.
8469 (note_yacc_type): Remove an unnecessary call to find_structure.
8470 * gengtype.h (new_structure): Return the structure.
8471 (create_option): Add an extra argument.
8472 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
8473 (option): Adjust calls to create_option.
8475 2006-01-22 David Edelsohn <edelsohn@gnu.org>
8477 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
8479 2006-01-22 Paul Brook <paul@codesourcery.com>
8480 Peter Barada <peter@the-baradas.com>
8482 * config/m68k/m68k.md: Add Coldfire FPU support.
8483 Define FP mode macro and associated attributes.
8484 Use it for float mode patterns.
8485 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
8486 (LIBCALL_VALUE): Use m68k_libcall_value.
8487 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
8488 (m68k_function_value): Ditto.
8489 (emit_move_sequence): Ditto.
8490 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
8491 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
8492 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
8493 (MULTILIB_EXCEPTIONS): Ditto.
8494 * config/m68k/m68k.opt: Add mcfv4e.
8495 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
8496 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
8497 (m68k_output_function_prologue): Save ColdFire FPU registers.
8498 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
8499 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
8500 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
8501 ColdFire FPU registers.
8502 (m68k_libcall_value, m68k_function_value): New functions.
8503 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
8504 (LIBCALL_VALUE): Use m68k_libcall_value.
8505 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
8506 (MASK_COLDFIRE): Add MASK_CFV4E.
8507 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
8508 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
8509 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
8510 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
8511 (GO_IF_LEGITIMATE_ADDRESS): Use it.
8512 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
8513 * doc/invoke.tex: Document -mcfv4e on m68k.
8515 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8517 * doc/contribute.texi: Change CVS to SVN and update the corresponding
8520 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8523 * c-opts.c (c_common_handle_option): Don't include
8524 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8525 * doc/invoke.texi (C++ Dialect Options): Document that
8526 -Wnon-virtual-dtor is no longer included in -Wall.
8528 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8530 * gcov.c (print_version), gcov-dump.c (print_version),
8531 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8534 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8536 * df-scan.c (problem_SCAN): Added NULL reset function.
8537 (df_scan_reset_blocks): Added code to call reset block function
8538 (df_bb_refs_delete) Fixed comment.
8539 (df_insn_refs_delete): Made tolerant of deleting non existent info
8540 for dataflow problems that need to be reset.
8541 * df-core.c (df_set_blocks): Ditto.
8542 * df.h (struct df_problem): Added reset_fun.
8543 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8544 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8545 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8546 functions to clear out all references to def-use or use-def chains.
8548 2006-01-21 Ben Elliston <bje@au.ibm.com>
8550 * varasm.c (assemble_real): Initialise data array.
8552 2006-01-20 Paul Brook <paul@codesourcery.com>
8554 Merge from csl-arm-branch.
8555 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8556 * config/arm/arm.md (movdi): Force operands[1] to a register
8557 if we have a non-register source.
8558 (*arm_movdi, *movdf_soft_insn): Require that one of the
8559 operands be a register.
8560 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8561 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8563 2006-01-20 DJ Delorie <dj@redhat.com>
8565 * varasm.c (initialize_constant_valid_p): Allow pointers
8566 initialized from integer constants of lesser precision.
8567 (output_constant): Allow non-int-sized pointer modes to be
8568 initialized from integer constants.
8570 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8573 * cppdefault.h (struct default_include): Add multilib flag.
8574 * cppdefault.c (cpp_include_defaults): Set it.
8575 * c.opt (-imultilib): New option.
8576 * c-opts.c (imultilib): New.
8577 (c_common_handle_option): Handle -imultilib.
8578 (c_common_post_options): Likewise.
8579 * c-incpath.c (add_standard_paths, register_include_chains):
8581 * c-incpath.h (register_include_chains): Add extra parameter.
8582 * gcc.c (do_spec_1): Generate -imultilib option.
8583 (The Specs Language): Update %I description.
8584 (process_command): Update copyright notice.
8585 * doc/cppopts.texi (-imultilib): Document.
8586 * doc/invoke.texi (-imultilib): Include in option summary.
8587 (%I): Update specs documentation.
8589 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8591 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8593 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8595 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8598 2006-01-20 Richard Guenther <rguenther@suse.de>
8599 Steven Bosscher <stevenb.gcc@gmail.com>
8601 PR rtl-optimization/24626
8602 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8603 EDGE_TRUE_VALUE if in RTL mode.
8606 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8607 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8609 2006-01-20 Dirk Mueller <dmueller@suse.com>
8612 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8613 instead of a special NOP marker.
8614 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8615 NOP marker handling.
8616 * c-common.h (empty_body_warning): Add forward declaration.
8617 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8618 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8620 2006-01-20 Paul Brook <paul@codesourcery.com>
8622 * Makefile.in (lang_checks): Keep going if mkdir fails.
8624 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8626 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8627 be able to clean out basic block when not necessary.
8628 (df_scan_free): Fixed to properly delete information if df is
8629 unused before calling df_finish.
8630 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8631 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8633 (df_bb_refs_delete): New function.
8634 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8635 * df-core.c (df_set_blocks): Added code to properly clean out
8636 unused blocks if they are not part of the blocks to consider.
8637 Added additional null check.
8638 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8639 be able to clean out basic block when not necessary
8640 * df.h (df_free_bb_function): Ditto.
8641 (df_bb_refs_delete): New function.
8642 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8643 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8644 basic block parameter to be able to clean out basic block when not
8646 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8647 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8648 Fixed to properly delete information if df is unused before
8651 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8653 PR rtl-optimization/25799
8654 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8655 Corrected confluence operator to remove bits from op2 before oring
8656 with op1 rather than removing bits from op1.
8657 (df_ru_transfer_function): Corrected test on wrong bitmap which
8658 caused infinite loop. Both of these problems were introduced in
8659 the dataflow rewrite.
8661 2006-01-19 DJ Delorie <dj@redhat.com>
8663 * reload1.c (find_reload_regs): Note the details of reload
8664 failures in the dump file.
8665 (spill_failure): Likewise.
8667 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8669 * loop-iv.c: Include df.h and hashtab.h.
8670 (enum iv_grd_result): New enum.
8671 (DF_REF_IV, DF_REF_IV_SET): New macros.
8672 (struct biv_entry): New.
8673 (df, bivs): New global variables.
8674 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8675 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8677 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8678 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8679 analyzed_for_bivness_p, record_biv): New functions.
8680 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8681 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8682 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8684 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8686 (iv_number_of_iterations): Use new interface to iv analysis.
8687 * loop-unroll.c: Do not include varray.h.
8688 (analyze_iv_to_split_insn): Use new interface to iv
8690 * loop-unswitch.c (may_unswitch_on): Ditto.
8691 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8693 (df_bb_modify): Realloc tables to the new index.
8694 (df_find_use): New function.
8695 * df.h (df_find_use): Declare.
8696 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8698 * cfgloop.h (struct rtx_iv): Remove analysed field.
8699 (iv_get_reaching_def): Removed.
8700 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8701 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8702 (loop-iv.o): Add df.h and hashtab.h dependency.
8703 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8705 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8708 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8710 (__floatundisf, __floatundidf): Likewise.
8711 * libgcc2.h (IS_IBM_EXTENDED): Define.
8713 2006-01-19 DJ Delorie <dj@redhat.com>
8715 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8717 2006-01-19 Paul Brook <paul@codesourcery.com>
8719 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8720 as nothrow when unwinding tables are disabled.
8722 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8725 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8726 of bit-field" when in system header.
8728 2006-01-19 DJ Delorie <dj@redhat.com>
8730 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8731 the 16 bit shift limit of the m16c.
8733 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8736 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8737 * config/i386/i386.c (output_set_got): Output the label if we have one
8738 for the TARGET_DEEP_BRANCH_PREDICTION case.
8740 2006-01-19 Jan Hubicka <jh@suse.cz>
8741 H.J. Lu <hongjiu.lu@intel.com>
8742 Evandro Menezes <evandro.menezes@amd.com>
8744 * invoke.texi (generic): Document
8746 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8747 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8748 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8749 (x86_use_incdec, x86_pad_returns): New variables
8750 (TARGET_CPU_DEFAULT_generic): New constant
8751 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8752 (enum processor_type): Add generic32 and generic64.
8753 * i386.md (cpu attribute): Add generic32/generic64
8754 (movhi splitter): Behave sanely when both partial_reg_dependency and
8755 partial_reg_stall are set.
8756 (K8 splitters): Enable for generic as well.
8757 * predicates.md (incdec_operand): Use TARGET_INCDEC
8758 (aligned_operand): Avoid memory mismatch stalls.
8759 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8760 * ppro.md: Enable for generic32
8761 * i386.c (generic64_cost, generic32_cost): New.
8762 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8763 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8764 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8765 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8766 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8767 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8768 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8769 x86_accumulate_outgoing_args, x86_prologue_using_move,
8770 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8771 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8773 (x86_use_incdec, x86_pad_returns): New.
8774 (override_options): Add generic32 and generic64, translate "generic"
8775 to generic32/generic64 and "i686" to "generic32", refuse
8776 "generic32"/"generic64" as arch target.
8777 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8778 (ix86_reorg): Honor PAD_RETURNS.
8780 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8782 * tree-pretty-print.c (dump_generic_node): Handle
8783 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8784 * cgraph.c (cgraph_expand_queue): Rename from
8785 cgraph_analyze_queue. Update all users.
8786 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8787 cgraph_expand_queue.
8788 (cgraph_expand_all_functions): Likewise.
8789 (cgraph_finalize_pending_functions): Remove. Update callers.
8791 * tree.h (OMP_DIRECTIVE_P): Define.
8792 (OMP_PARALLEL_FN): Define.
8793 (OMP_PARALLEL_DATA_ARG): Define.
8794 (OMP_SECTIONS_SECTIONS): Define.
8795 * tree-pass.h (pass_expand_omp): Declare.
8796 * omp-low.c (struct omp_region): Declare.
8797 (struct omp_context): Remove fields 'parallel_type',
8798 'parallel_start_ix' and 'parallel_start_additional_args'.
8800 (struct omp_for_data): Rename from struct expand_omp_for_data.
8801 (omp_regions): New static variable.
8802 (root_omp_region): New static variable.
8803 (find_omp_clause): Make static.
8804 (is_in_combined_parallel_ctx): Remove.
8805 (is_combined_parallel): New.
8806 (extract_omp_for_data): Move earlier in the file.
8807 (workshare_safe_to_combine_p): New.
8808 (get_ws_args_for): New.
8809 (determine_parallel_type): Move earlier in the file.
8810 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8812 (omp_copy_decl): Likewise.
8813 (create_omp_child_function): Likewise.
8814 (lookup_omp_region): New.
8815 (dump_omp_region): New.
8816 (debug_omp_region): New.
8817 (debug_all_omp_regions): New.
8818 (new_omp_region): New.
8819 (scan_omp_parallel): If parallel_nesting_level > 1, the
8820 directive is nested within another parallel directive.
8821 Set OMP_PARALLEL_FN.
8822 (scan_omp_for): Do not try to handle combined parallel+for
8824 Remove FIXME comment.
8825 (scan_omp_nested): Remove.
8826 (scan_omp_1): Do not call scan_omp_nested when
8827 parallel_nesting_level is > 1.
8828 Do not change the DECL_CONTEXT of local variables found.
8829 (lookup_decl_in_outer_ctx): New.
8830 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8831 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8832 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8833 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8834 If CTX is nested, lookup VAR in the outer context when
8835 building copy assignment.
8836 (lower_send_clauses): Rename from expand_send_clauses.
8837 If CTX is nested, lookup VAR in the outer context when
8838 building copy assignments.
8839 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8840 If CTX is nested, lookup VAR in the outer context when
8841 building copy assignments.
8842 (expand_parallel_call): Rename from build_parallel_call.
8843 Handle combined parallel+workshare cases.
8844 Re-implement to emit code into the CFG.
8846 (expand_omp_parallel): Re-implement to emit code into the CFG.
8847 Call move_sese_region_to_fn to outline the sub-graph
8848 containing the parallel region.
8849 (expand_omp_for_1): Remove.
8850 (expand_omp_for_generic): Re-implement to emit code into the
8852 (expand_omp_for_static_nochunk): Likewise.
8853 (expand_omp_for_static_chunk): Likewise.
8854 (expand_omp_for): Likewise.
8855 (expand_omp_sections): Likewise.
8856 (remove_exit_barriers): New.
8857 (expand_omp_synch): New.
8859 (build_omp_regions_1): New.
8860 (build_omp_regions): New.
8861 (execute_expand_omp): New.
8862 (gate_expand_omp): New.
8863 (pass_expand_omp): Define.
8864 (lower_omp_sections): Rename from expand_omp_sections.
8865 Set OMP_SECTIONS_SECTIONS.
8866 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8867 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8868 (lower_omp_single): Rename from expand_omp_simple.
8869 (lower_omp_master): Rename from expand_omp_master.
8870 (lower_omp_ordered): Rename from expand_omp_ordered.
8871 (lower_omp_critical): Rename from expand_omp_critical.
8872 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8873 (lower_omp_for): Re-implement.
8874 (lower_omp_parallel): Re-implement.
8875 (lower_regimplify): Rename from expand_regimplify.
8876 (lower_omp_1): Rename from expand_omp_1.
8877 If there are syntax errors in the program, replace every
8878 OpenMP directive with NOP.
8879 Call lower_omp_* instead of expand_omp_*.
8880 (lower_omp): Rename from expand_omp.
8882 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8883 * tree-gimple.h (enum omp_parallel_type): Remove.
8884 (gimple_boolify): Declare extern.
8885 (find_omp_clause, determine_parallel_type): Remove.
8887 * gimple-low.c (lower_omp_directive): New.
8888 (lower_stmt): Call it.
8889 (record_vars_into): Move from ...
8890 (record_vars): ... here.
8891 Call record_vars_into with current_function_decl.
8893 * gimplify.c (struct gimplify_ctx): Remove fields
8894 combined_pre_p and combined_ctxp. Update users.
8895 (get_formal_tmp_var): Add documentation.
8896 (gimple_boolify): Make extern.
8897 (gimplify_expr_in_ctx): Remove. Update callers.
8898 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8899 will always be a BIND_EXPR.
8900 (gimplify_expr): Handle OMP_RETURN_EXPR.
8901 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8902 (OMP_PARALLEL): Add 3 operands.
8903 (OMP_SECTIONS): Add 1 operand.
8904 (OMP_RETURN_EXPR): Define.
8906 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8907 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8908 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8909 creating a circular free list.
8910 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8912 * tree-flow.h (move_sese_region_to_fn): Declare.
8913 (record_vars_into): Declare.
8914 * tree-cfg.c (make_omp_sections_edges): New.
8915 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8916 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8917 OMP_SECTIONS and OMP_SECTION.
8918 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8919 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8920 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8921 (gather_blocks_in_sese_region): New.
8922 (struct move_stmt_d): Declare.
8924 (move_block_to_fn): New.
8925 (move_sese_region_to_fn): New.
8927 * passes.c (init_optimization_passes): Schedule
8928 pass_expand_omp after pass_init_datastructures.
8930 * tree-ssa-operands.c (get_expr_operands): Handle
8931 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8932 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8934 2006-01-19 Jeff Law <law@redhat.com>
8936 * tree-vrp.c (extract_range_from_assert): Refine the result range
8937 if the variable referenced by the ASSERT_EXPR has a range and
8938 either the tentative result range or the previous range is a
8941 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8943 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8945 2006-01-19 Jan Hubicka <jh@suse.cz>
8947 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8949 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8951 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8952 (expand_compound_operation, expand_field_assignment): Fail if the
8953 bit lengths of an extract operation are out of range.
8954 (make_extraction): Compute wanted_inner_mode based on the position
8955 and length of the extraction. Make it extraction_mode for non-constant
8956 positions, and do not modify offset in that case. When generating a
8957 new MEM, use a mode that can hold the extraction while keeping correct
8958 alignment. Remove code that supported MEMs wrapped by USEs.
8959 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8961 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8963 * config/s390/s390.md ("Y", "y"): New mode attribute.
8964 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8965 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8966 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8967 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8968 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8969 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8970 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8971 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8972 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8973 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8974 "addsi3", "subsi3"): Insn patterns removed.
8975 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8976 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8977 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8978 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8979 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8980 "*sub<mode>3_cconly2"): New insn patterns.
8981 ("addsi3", "subsi3"): New expanders.
8983 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8985 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8986 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8987 existing STMT_VINFO_VECTYPE if available.
8988 (vect_mark_relevant): Add special handling for stmts that are
8989 marked as STMT_VINFO_IN_PATTERN_P.
8990 (vect_analyze_loop): Call vect_pattern_recog.
8991 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8992 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8994 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8995 (vect_recog_func_ptr): New function-pointer type.
8996 * tree-vect-patterns.c: New file.
8997 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8998 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8999 (vect_pattern_recog_1): New functions.
9000 (vect_pattern_recog_funcs): New array of function pointers.
9002 * tree-vectorizer.h (ternary_op): New enum value.
9003 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9004 declaration. Revised documentation. Removed redundant dump prints.
9005 Removed redundant argument. Added support for reduction patterns.
9006 (vectorizable_reduction): Added support for reduction patterns.
9007 (vect_transform_stmt): Added support for patterns.
9009 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9010 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9011 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9012 (expand_widen_pattern_expr): New function.
9013 (init_optabs): Initialize new optabs udot_prod_optab,
9015 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9016 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9017 (expand_widen_pattern_expr): New function declaration.
9018 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9020 * tree-inline.c (estimate_num_insns_1): Added cases for new
9021 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9022 * tree-pretty-print.c (dump_generic_node): Likewise.
9023 (op_prio): Likewise.
9024 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9025 * tree-ssa-operands.c (get_expr_operands): Added case for
9027 * tree-vect-patterns.c (widened_name_p): New function.
9028 (vect_recog_dot_prod_pattern): Added function implementation.
9029 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9030 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9031 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9032 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9034 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9035 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9036 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9037 (init_optabs): Initialize new optabs widen_ssum_optab,
9039 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9040 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9041 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9042 use instead of type of def.
9043 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9044 function implementation.
9045 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9046 widen_ssumv8hi): New.
9048 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
9051 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9054 * c-decl.c (add_flexible_array_elts_to_size): New function.
9055 (finish_decl): Use it.
9057 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9059 * diagnostic.h: Include options.h.
9060 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9061 dependancies for diagnostic.h.
9062 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9064 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9066 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9067 (ssa_ro_call_cache_valid): Ditto.
9068 * tree-ssa-alias.c (sort_tags_by_id): New function.
9069 (init_transitive_clobber_worklist): Ditto.
9070 (add_to_worklist): Ditto.
9071 (mark_aliases_call_clobbered): Ditto.
9072 (compute_tag_properties): Ditto.
9073 (set_initial_properties): Ditto.
9074 (compute_call_clobbered): Ditto.
9075 (compute_may_aliases): Call compute_call_clobbered and grouping.
9076 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9077 (compute_flow_insensitive_aliasing): Grouping now happens in our
9079 (setup_pointers_and_addressables): Remove clobbering related code.
9080 (add_may_alias): Ditto.
9081 (replace_may_alias): Ditto.
9082 (get_nmt_for): Ditto.
9083 (create_global_var):
9084 (is_escape_site): Return an escape_type enumeration.
9085 * tree-flow-inline.h (is_call_clobbered): Global var does not
9086 imply call clobbered.
9087 (mark_call_clobbered): Take a reason for marking this. Remove
9088 marking of globalness, and cache invalidation.
9089 (clear_call_clobbered): Remove cache invalidation code.
9090 * tree-dfa.c (dump_variable): If details is on, dump the reason
9092 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9094 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9095 (struct var_ann_d): Ditto.
9096 (enum escape_type): New.
9097 (mark_call_clobbered): Adjust prototype.
9098 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9099 are never call clobbered.
9100 Record reasons for escaping.
9101 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9102 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9103 (ssa_ro_call_cache_valid): Ditto.
9104 (clobbered_v_may_defs): Ditto.
9105 (clobbered_vuses): Ditto.
9106 (ro_call_vuses): Ditto.
9107 (clobber_stats): New.
9108 (init_ssa_operands): Zero out clobber stats.
9109 (fini_ssa_operands): Print out clobber stats.
9110 (get_call_expr_operands): Pass callee fndecl to
9112 (add_call_clobber_ops): Remove use of cache.
9113 Add use of PURE_CONST information.
9114 (add_call_read_ops): Remove use of cache.
9115 Add use of static not_read information.
9117 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9119 Introduce TLS descriptors for i386 and x86_64.
9120 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9121 (TARGET_ANY_GNU_TLS): New macro.
9122 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9123 (struct machine_function): Add tls_descriptor_call_expanded_p.
9124 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9125 (ix86_current_function_calls_tls_descriptor): Likewise.
9126 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9127 (override_options): Introduce gnu2 tls dialect.
9128 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9130 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9132 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9133 (ix86_init_machine_status): Initialize new field.
9134 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9135 (ix86_tls_module_base): New.
9136 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9137 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9138 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9139 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9140 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9141 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9142 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9143 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9144 * config/i386/predicates.md (tls_modbase_operand): New.
9145 (tp_or_register_operand): New.
9147 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
9149 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9150 (look_for_address_of): Ditto.
9151 (ipa_init): Walk the function decls.
9152 (static_execute): Don't set readonly on FUNCTION_DECL's.
9154 2006-01-18 Roger Sayle <roger@eyesopen.com>
9156 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
9157 for shifts where the source and destination registers are different.
9159 2006-01-18 Paul Brook <paul@codesourcery.com>
9161 Merge from csl-arm-branch.
9162 2005-03-14 Julian Brown <julian@codesourcery.com>
9163 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
9164 (aeabi_llsl): Likewise.
9165 (ashrdi3): Likewise.
9166 (aeabi_lasr): Likewise.
9167 (lshrdi3): Likewise.
9168 (aeabi_llsr): Likewise.
9169 2005-03-10 Julian Brown <julian@codesourcery.com>
9170 * config.gcc: Disable shared libgcc for SymbianOS.
9171 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
9173 2006-01-18 DJ Delorie <dj@redhat.com>
9175 * c-pragma.c (handle_pragma_diagnostic): New.
9176 (init_pragma): Register it.
9177 * doc/extend.texi: Document it.
9179 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
9180 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
9181 (diagnostic_context): Add classify_diagnostic[].
9182 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
9183 as errors if they're overridden to DK_WARNING.
9184 (diagnostic_initialize): Initialize classify_diagnostic[].
9185 (diagnostic_set_kind_override): New.
9186 (diagnostic_report_diagnostic): Check for kind changes.
9187 * opts.c (common_handle_option): Take lang_mask. Update callers.
9189 * common.opt (Werror=): New.
9190 * doc/invoke.texi: Document -Werror=*
9192 2006-01-18 Jeff Law <law@redhat.com>
9194 * tree-vrp.c (test_for_singularity): Correct test for new
9195 min limit. Use operand_equal_p rather than pointer equality
9196 for testing if new min/max values are equal.
9198 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9199 using range information until after propagation and folding.
9201 2006-01-18 Richard Henderson <rth@redhat.com>
9202 Aldy Hernandez <aldyh@redhat.com>
9203 Jakub Jelinek <jakub@redhat.com>
9204 Diego Novillo <dnovillo@redhat.com>
9206 * omp-low.c: New file.
9207 * c-omp.c: New file.
9209 2006-01-18 Richard Henderson <rth@redhat.com>
9210 Jakub Jelinek <jakub@redhat.com>
9211 Diego Novillo <dnovillo@redhat.com>
9213 * doc/invoke.texi: Document -fopenmp.
9214 * tree-dump.h (debug_function): Declare.
9215 * hooks.c (hook_bool_tree_bool_false): New function.
9216 (hook_tree_tree_null): Remove.
9217 (hook_tree_tree_tree_null): New.
9218 * hooks.h: Update to match.
9219 * tree-pretty-print.c (debug_tree_chain): New.
9220 (print_generic_expr): Handle TDF_CHAIN.
9221 (dump_generic_node): Handle BLOCK.
9222 Do not abort with incomplete SWITCH_EXPRs.
9223 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9224 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9225 print space after directive name.
9226 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9227 Handle OMP_MASTER and OMP_ORDERED.
9228 Handle printing of OMP_BODY just in one place, goto
9229 dump_omp_body in the rest of OMP_* nodes that have
9231 Don't handle clause nodes here. Update omp statements to
9232 use dump_omp_clauses.
9233 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9234 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9235 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9236 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9237 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9238 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9239 Adjust output for GOMP_PARALLEL.
9240 (dump_omp_clauses): New.
9241 (print_declaration): Dump DECL_VALUE_EXPR.
9242 (op_symbol_1): Split out of op_symbol.
9243 (dumping_stmts): Remove. Update all users.
9244 * cgraph.c (cgraph_analyze_queue): New.
9245 (cgraph_add_new_function): New.
9246 * cgraph.h (cgraph_analyze_queue): Declare.
9247 (cgraph_add_new_function): Declare.
9248 (cgraph_lower_function): Remove.
9249 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9250 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9251 and TYPE_P nodes in its default clause.
9252 (empty_body_p): New.
9253 (tree_range_check_failed): New.
9255 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9256 OMP_CLAUSE_REDUCTION_MERGE,
9257 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9258 OMP_CLAUSE_PRIVATE_DEBUG,
9259 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9260 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9261 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9262 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9263 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9264 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9265 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9266 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9267 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9268 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9269 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9270 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9271 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9272 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9273 (TREE_RANGE_CHECK): New.
9274 (empty_body_p): Declare.
9275 (enum omp_clause_default_kind): New.
9276 (build_string_literal): Declare.
9277 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9278 (build5_stat, build5): Declare.
9279 * tree-pass.h (TDF_CHAIN): Define.
9280 * tree-pass.h (PROP_gimple_lomp): Define.
9281 (pass_lower_omp): Declare.
9282 * diagnostic.h (debug_tree_chain): Declare.
9283 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9285 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9286 * builtins.c (build_string_literal): Make extern.
9287 * gcc.c (include_spec_function): New.
9288 (static_spec_functions): Add it.
9289 (main): Move load of libgomp.spec ...
9290 (LINK_COMMAND_SPEC): ... here.
9291 (link_gomp_spec): New.
9292 (static_specs): Include it.
9293 (LINK_COMMAND_SPEC): Add link_gomp.
9294 (GOMP_SELF_SPECS): New.
9295 (driver_self_specs): Include it.
9296 (switch_matches): Don't mark inline.
9297 (main): Load libgomp.spec.
9298 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9299 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9300 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9301 * tree-gimple.h (enum omp_parallel): Declare.
9302 (determine_parallel_type): Declare.
9303 (omp_firstprivatize_variable): Declare.
9304 (omp_reduction_init): Declare.
9305 (diagnose_omp_structured_block_errors): Declare.
9306 (struct walk_stmt_info): Add want_return_expr.
9307 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9308 (find_omp_clause): Declare.
9309 (insert_field_into_struct): Declare.
9310 (struct walk_stmt_info): Move from tree-nested.c
9311 (walk_stmts): Declare.
9312 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9314 * cgraphunit.c (cgraph_lower_function): Make static.
9315 (cgraph_finalize_pending_functions): New.
9316 (cgraph_finalize_function): Call it.
9317 (cgraph_finalize_compilation_unit): Likewise.
9318 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9319 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9320 (BT_FN_UINT_UINT): New.
9321 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9322 DEF_FUNCTION_TYPE_VAR_4): Document.
9323 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9324 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9325 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9326 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9327 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9328 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9329 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9330 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9331 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9332 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9333 into separate files.
9334 (DEF_GOMP_BUILTIN): New.
9335 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9336 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9337 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9338 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9339 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9340 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9341 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9342 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9343 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9344 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9345 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9346 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9347 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9348 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9349 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9350 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9351 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9352 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9353 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9354 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9355 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9356 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9357 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9358 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9359 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9360 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9361 * sync-builtins.def: New file, moved from builtins.def.
9362 * omp-builtins.def: New file, moved from builtins.def.
9363 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9364 * gimple-low.c (lower_function_body): Clear data.
9365 (lower_stmt): Do not handle COMPOUND_EXPR.
9366 Remove call to print_node_brief.
9367 * c-tree.h (c_finish_omp_clauses): New prototype.
9368 (C_DECL_THREADPRIVATE_P): Define.
9369 (lookup_name_no_remap, c_omp_remap_private): Remove
9370 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9371 (check_for_loop_decls): Update decl.
9372 (lookup_name_no_remap, c_omp_remap_private): Declare.
9373 (build_indirect_ref, build_modify_expr, pushdecl,
9374 pushdecl_top_level): Move to c-common.h.
9375 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9376 before the switch, but just in the 2 places that need it.
9377 * c-decl.c (diagnose_mismatched_decls): Do not check for
9378 mismatched thread-local attributes when OLDDECL is marked
9379 threadprivate and NEWDECL has no thread-local attributes.
9380 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9381 (c_gimple_diagnostics_recursively): Rename from
9382 c_warn_unused_result_recursively. Invoke
9383 diagnose_omp_structured_block_errors.
9384 (check_for_loop_decls): Return a singular decl found.
9385 * langhooks.c (lhd_omp_predetermined_sharing): Return
9386 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9387 (lhd_omp_firstprivatize_type_sizes): New.
9388 (lhd_omp_assignment): New.
9389 (lhd_omp_predetermined_sharing): New.
9390 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9391 (struct lang_hooks_for_types): Add
9392 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
9393 omp_predetermined_sharing, omp_disregard_value_expr,
9394 omp_private_debug_clause, omp_clause_default_ctor,
9395 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
9396 (c_finish_omp_clauses): New.
9397 (c_finish_bc_stmt): Diagnose break within omp for.
9398 (c_begin_omp_parallel, c_finish_omp_parallel): New.
9399 (build_unary_op): Return error_mark after reporting
9401 (build_modify_expr): Likewise.
9402 * gimplify.c: Include optabs.h and pointer-set.h.
9403 (enum gimplify_omp_var_data): Declare.
9404 (struct gimplify_omp_ctx): Declare.
9405 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
9407 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
9408 (push_gimplify_context, pop_gimplify_context): Allow nesting.
9409 (splay_tree_compare_decl_uid): New.
9410 (new_omp_context): New.
9411 (delete_omp_context): New.
9412 (gimple_add_tmp_var): Call omp_add_variable.
9413 (gimplify_bind_expr): Likewise.
9414 (gimplify_var_or_parm_decl): If omp_notice_variable returned
9415 true, disregard DECL_VALUE_EXPR on the decl if any.
9416 (gimplify_expr_in_ctx): New.
9417 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
9418 omp_add_variable, omp_notice_variable, omp_is_private
9419 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
9420 gimplify_adjust_omp_clauses, gimplify_omp_parallel
9421 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
9422 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
9423 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
9424 gimplify_omp_atomic): New.
9425 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9426 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9427 OMP_CRITICAL and OMP_ATOMIC.
9428 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
9429 * c-pragma.h (enum pragma_kind): Add
9430 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
9431 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
9432 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
9433 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
9434 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
9435 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
9436 PRAGMA_OMP_THREADPRIVATE.
9437 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
9438 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
9439 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
9440 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
9441 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
9442 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
9443 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
9444 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
9445 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
9446 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
9447 * tree-ssa-dce.c (find_control_dependence): Do not assume that
9448 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
9449 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
9451 (struct nesting_info): Add field_map,
9452 suppress_expansion, debug_var_chain.
9453 (create_nesting_tree): Initialize them.
9454 (lookup_field_for_decl): Use field_map.
9455 (get_nonlocal_debug_decl, get_local_debug_decl): New.
9456 (convert_local_omp_clauses): New.
9457 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
9458 (walk_body): Split out of walk_function.
9459 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
9460 (convert_nonlocal_reference): Handle omp statements.
9461 (convert_local_reference): Likewise.
9462 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
9463 (unnest_nesting_tree): New.
9464 (lower_nested_functions): Call it.
9465 (insert_field_into_struct): Make extern.
9466 (struct walk_stmt_info): Move to tree-gimple.h.
9467 (walk_stmts): Make extern.
9468 * omp-builtins.def: New file.
9469 * tree-iterator.c (expr_only): Clarify comment.
9470 * c-common.h (pushdecl_top_level, pushdecl,
9471 build_modify_expr, build_indirect_ref,
9472 c_finish_omp_master, c_finish_omp_critical,
9473 c_finish_omp_ordered, c_finish_omp_barrier,
9474 c_finish_omp_atomic, c_finish_omp_flush,
9475 c_finish_omp_for, c_split_parallel_clauses,
9476 omp_clause_default_kind, c_omp_sharing_predetermined,
9477 c_omp_remap_decl): Declare.
9478 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
9479 (OBJS-common): Add omp-low.o.
9480 (c-omp.o, omp-low.o): Add.
9481 (gimplify.o): Add dependency on $(OPTABS_H).
9482 (GTFILES): Add omp-low.c.
9483 (gt-stringpool.h): Add.
9484 * tree-cfg.c (set_bb_for_stmt): Do not update the
9485 block-to-labels map if we are currently expanding to RTL.
9486 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
9488 Handle IDENTIFIER_NODE.
9489 (tree_verify_flow_info): Do not ICE when emitting error
9490 messages about invalid labels.
9491 (dump_function_to_file): Reset CFUN before emitting the body
9493 (debug_function): New.
9494 * passes.c (init_optimization_passes): Schedule
9496 * langhooks-def.h (lhd_omp_predetermined_sharing,
9497 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
9499 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
9500 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
9501 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
9502 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
9503 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
9504 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
9505 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
9506 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
9507 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
9508 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
9509 (LANG_HOOK_DECLS): Use them.
9511 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
9512 Richard Henderson <rth@redhat.com>
9513 Jakub Jelinek <jakub@redhat.com>
9514 Diego Novillo <dnovillo@redhat.com>
9516 * c-parser.c (pragma_omp_clause): Define.
9517 (c_parser_declaration_or_fndef): Document OpenMP syntax.
9518 (c_parser_compound_statement): Likewise.
9519 (c_parser_statement): Likewise.
9520 (c_parser_pragma): Handle omp pragmas.
9521 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9522 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9523 (c_parser_omp_clause_name, check_no_duplicate_clause,
9524 c_parser_omp_variable_list,
9525 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9526 c_parser_omp_clause_copyprivate,
9527 c_parser_omp_clause_default,
9528 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9529 c_parser_omp_clause_lastprivate,
9530 c_parser_omp_clause_nowait,
9531 c_parser_omp_clause_num_threads,
9532 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9533 c_parser_omp_clause_reduction,
9534 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9535 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9536 c_parser_omp_atomic, c_parser_omp_barrier,
9537 c_parser_omp_critical, c_parser_omp_flush,
9538 c_parser_omp_for_loop, c_parser_omp_for,
9539 c_parser_omp_master, c_parser_omp_ordered,
9540 c_parser_omp_sections_scope, c_parser_omp_sections,
9541 c_parser_omp_parallel, c_parser_omp_single,
9542 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9543 * c-pragma.c (init_pragma): Do omp pragma registration here.
9544 * c.opt (fopenmp): New flag.
9546 2006-01-18 Eric Christopher <echristo@apple.com>
9548 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9549 * config/darwin.h (GOMP_SELF_SPECS): Define.
9551 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9553 * rtl.h: Remove the prototype for reg_alloc.
9555 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9558 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9559 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9560 sjlj and dwarf2 exception handling.
9561 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9562 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9563 * pa/pa.c (function_value): Treat complex and vector types as
9565 (function_arg): Likewise. Only pass scalar floats in the floating
9566 point argument registers.
9567 * pa/t-slibgcc-dwarf-ver: New file.
9568 * pa/t-slibgcc-sjlj-ver: New file.
9569 * pa/t-slibgcc-elf-ver: Delete file.
9571 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9573 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9574 unlikely_test_section_p test.
9576 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9578 * mode-switching.c (optimize_mode_switching): Make it static.
9579 * basic-block.h: Remove the prototype for
9580 optimize_mode_switching.
9582 * modulo-sched.c (sms_schedule): Make it static.
9583 * rtl.h: Remove the prototype for sms_schedule.
9585 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9586 * rtl.h: Remove the prototype for gcse_after_reload_main.
9588 * reg-stack.c (reg_to_stack): Make it static.
9589 * rtl.h: Remove the prototype for reg_to_stack.
9591 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9593 * rtl.h: Remove the prototypes for regrename_optimize and
9594 copyprop_hardreg_forward.
9596 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9598 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9599 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9600 Test against the appropriate null constant for the mode.
9601 If 'fixup_overlap' is true, swap the operands if they overlap.
9602 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9603 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9604 alpha_split_tmode_pair and adjust for above change.
9605 * config/alpha/alpha.md (movtf_internal): Adjust call to
9606 alpha_split_tfmode_pair and rely on it to swap the operands.
9607 (movti_internal): New insn and post-reload splitter.
9608 (movti): New expander.
9610 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9612 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9615 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9617 * rtlanal.c (global_reg_mentioned_p_1,
9618 global_reg_mentioned_p): Remove.
9619 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9621 * flow.c (initialize_uninitialized_subregs): Make it static.
9622 * rtl.h: Remove the prototype for
9623 initialize_uninitialized_subregs.
9625 * function.c (instantiate_virtual_regs): Make it static.
9626 * function.h: Remove the prototype for
9627 instantiate_virtual_regs.
9629 * regmove.c (regmove_optimize, combine_stack_adjustments):
9631 * rtl.h: Remove the prototypes for regmove_optimize and
9632 combine_stack_adjustments.
9634 2006-01-17 Roger Sayle <roger@eyesopen.com>
9636 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9637 (size_cost): Encode costs in bytes so that a reg-reg addition is
9638 equivalent to COSTS_N_INSNS(1).
9639 (override_options): Use the size_cost.branch_cost as the default
9640 ix86_branch_cost when optimizing for size.
9642 2006-01-18 Ben Elliston <bje@au.ibm.com>
9644 * Makefile.in (D32PBIT_FUNCS): New.
9645 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9646 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9647 D64PBIT_FUNCS and D128PBIT_FUNCS.
9648 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9649 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9651 (decnumber_dep): Define.
9652 * doc/libgcc.texi (Decimal float library routines): New node.
9653 * config/dfp-bit.h, config/dfp-bit.c: New files.
9655 2006-01-18 Ben Elliston <bje@au.ibm.com>
9657 * expr.c (emit_move_change_mode): Always adjust addresses, not
9658 just during reload. Copy replacements only during reload.
9659 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9660 emit_move_via_integer.
9662 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9664 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9665 instead of $(srcdir) and ${srcdir}.
9667 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9671 * arm.h (struct machine_function): Add pic_reg.
9672 * arm.c (arm_pic_register): Make unsigned.
9673 (arm_override_options): Only set arm_pic_register if
9674 TARGET_SINGLE_PIC_BASE.
9675 (use_return_insn): Only test for a pic register if it is fixed.
9676 (arm_compute_save_reg0_reg12_mask): Likewise.
9677 (thumb_compute_save_reg_mask): Likewise.
9678 (legitimate_pic_operand): Factor out some known invariants.
9679 (legitimize_pic_address): If we don't have a fixed pic register,
9680 then set up a pseudo in the function entry sequence. Handle the
9681 pic base being in a pseudo.
9682 (arm_load_pic_register): Handle the pic register being in a pseudo.
9683 (arm_expand_prologue): Only set up the pic register if it is fixed.
9684 (thumb_expand_prologue): Likewise.
9685 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9686 (pic_load_addr_based_insn): Likewise.
9687 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9690 2006-01-18 Ben Elliston <bje@au.ibm.com>
9692 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9693 decimal float modes for all floating point registers.
9695 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9696 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9698 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9701 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9702 even when the pointer is not NULL.
9704 2006-01-16 Ian Lance Taylor <ian@airs.com>
9706 * common.opt (ftoplevel-reorder): New option.
9707 * cgraph.c (cgraph_asm_nodes): New global variable.
9708 (cgraph_asm_last_node): New static variable.
9709 (cgraph_order): New global variable.
9710 (cgraph_create_node): Set new order field.
9711 (cgraph_varpool_node): Likewise.
9712 (decide_is_variable_needed): Return true if not
9713 flag_toplevel_reorder.
9714 (cgraph_add_asm_node): New function.
9715 * cgraph.h (struct cgraph_node): Add order field.
9716 (struct cgraph_varpool_node): Add order field.
9717 (struct cgraph_asm_node): Define.
9718 (cgraph_asm_nodes, cgraph_order): Declare.
9719 (cgraph_add_asm_node): Declare.
9720 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9722 (cgraph_varpool_assemble_pending_decls): Call it.
9723 (cgraph_output_pending_asms): New static function.
9724 (cgraph_finalize_compilation_unit): Call it.
9725 (struct cgraph_order_sort): Define.
9726 (cgraph_output_in_order): New static function.
9727 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9728 !flag_toplevel_reorder case.
9729 * c-parser.c: Include "cgraph.h".
9730 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9732 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9733 than -fno-unit-at-a-time.
9734 * doc/invoke.texi (Option Summary): Mention
9735 -fno-toplevel-reorder.
9736 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9737 -funit-at-a-time documentation.
9739 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9740 Kazu Hirata <kazu@codesourcery.com>
9742 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9744 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9746 * Makefile.in (FUNCTION_H): New. Use it instead of
9747 function.h throughout the file.
9748 * function.h: Include tree.h.
9750 2006-01-17 Ben Elliston <bje@au.ibm.com>
9752 * recog.c: Separate some functions with whitespace.
9754 2006-01-16 Richard Henderson <rth@redhat.com>
9756 Merge from gomp branch:
9757 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9758 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9759 and rename from struct inline_data. Rename callee* to dst*;
9760 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9761 transform_new_cfg, transform_return_to_modify, and
9762 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9764 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9765 (copy_decl_for_dup): Remove.
9766 * tree-inline.c (struct inline_data): Move to header.
9767 (insert_decl_map): Export.
9768 (remap_decl): Update for member name changes. Use copy_decl hook.
9769 Allow for replacement to be a non-decl. Remove dead code.
9770 (remap_type_1): Check for existing mapping.
9771 (remap_type): Export.
9772 (remap_decls): Update for member name changes.
9773 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9774 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9775 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9776 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9777 (tree_function_versioning, build_duplicate_type): Likewise.
9778 (copy_body_r): Likewise. Export.
9779 (copy_decl_for_dup): Split into ...
9780 (copy_decl_for_dup_finish, copy_decl_to_var,
9781 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9782 (replace_ref_tree, inlining_p): Remove.
9784 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9786 * ifcvt.c (if_convert): Make it static.
9787 * rtl.h: Remove the prototype for if_convert.
9789 * local-alloc.c (local_alloc): Make it static.
9790 * rtl.h: Remove the prototype for local_alloc.
9792 * loop.c (loop_optimize): Make it static.
9793 * cfgloop.h: Remove the prototype for loop_optimize.
9796 2006-01-16 DJ Delorie <dj@redhat.com>
9798 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9801 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9803 * pa.md: Disparage copies between general and floating-point registers
9804 in 32-bit move patterns.
9806 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9809 * Makefile.in (check-%): Depend on site.exp instead of
9810 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9813 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9815 * global.c (global_alloc): Make it static.
9816 * rtl.h: Remove the prototype for global_alloc.
9818 2006-01-16 Richard Guenther <rguenther@suse.de>
9820 * tree-ssa-alias.c (struct used_part): Add write_only field.
9821 (get_or_create_used_part_for): Initialize it to true.
9822 (create_overlap_variables_for): Don't create structure variables
9823 for structures that only are written to.
9824 (find_used_portions): Handle MODIFY_EXPR to track whether a
9825 structure is only written to.
9827 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9829 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9831 * basic-block.h: Remove the prototype for
9832 partition_hot_cold_basic_blocks.
9834 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9836 * cppspec.c (lang_specific_spec_functions): Remove.
9837 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9838 * gcc.h (lang_specific_spec_functions): Remove.
9839 * gccspec.c (lang_specific_spec_functions): Remove.
9841 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9843 * combine.c (record_value_for_reg): Invalidate registers
9845 (record_dead_and_set_regs_1): Likewise, by passing them to
9846 record_value_for_reg.
9847 (record_dead_and_set_regs): Invalidate stores made by a
9848 call. We do not combine across a call, but we still
9849 relied on equivalences.
9851 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9853 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9854 vrp_int_const_binop returning non-constant nodes.
9856 2006-01-16 Paul Brook <paul@codesourcery.com>
9858 * config/m68k/m68k.c (output_move_const_into_data_reg):
9859 Output correct mnemonic for mvz and mvs.
9861 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9863 * rtl-factoring.c: Add sequence abstraction algorithm.
9864 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9865 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9867 (block_has_preserve_label): New function.
9868 * common.opt: Register new pass.
9869 * Makefile.in: Ditto.
9871 * timevar.def: Ditto.
9872 * tree-pass.h: Ditto.
9873 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9874 * rtl.h (make_jump_insn_raw): Add forward decl.
9875 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9877 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9878 Roger Sayle <roger@eyesopen.com>
9880 * fold-const.c (fold_minmax): New static function.
9881 (fold_binary) <MIN_EXPR>: Call it.
9882 <MAX_EXPR>: Likewise.
9883 * stor-layout.c (place_field): Use DECL_SIZE consistently
9884 in the computation of the new record size.
9886 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9888 * cse.c (cse_condition_code_reg): Make it static.
9889 * rtl.h: Remove the prototype for cse_condition_code_reg.
9891 * combine.c (combine_instructions): Make it static.
9892 * rtl.h: Remove the prototype for combine_instructions.
9894 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9897 * tree.c (get_file_function_name_long): Concatenate the first global
9898 object name with a string derived from the input filename of the object
9901 2006-01-16 Ben Elliston <bje@au.ibm.com>
9903 * config/i386/winnt-stubs.c: Update FSF address.
9904 * config/xtensa/ieee754-df.S: Ditto.
9905 * config/xtensa/ieee754-sf.S: Ditto.
9907 2006-01-14 Ian Lance Taylor <ian@airs.com>
9909 * ifcvt.c (noce_init_if_info): New static function, broken out of
9910 noce_process_if_block.
9911 (noce_process_if_block): Call noce_init_if_info.
9912 (check_cond_move_block): New static function.
9913 (cond_move_process_if_block): New static function.
9914 (process_if_block): Call cond_move_process_if_block.
9916 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9918 * cselib.c (hash_table): Rename to cselib_hash_table.
9919 (cselib_clear_table, discard_useless_values,
9920 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9921 cselib_init, cselib_finish): Adjust uses of hash_table.
9923 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9925 PR tree-optimization/25485
9926 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9927 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9928 is known to be false and true, respectively.
9930 2006-01-14 Richard Guenther <rguenther@suse.de>
9932 PR tree-optimization/22548
9933 PR tree-optimization/22555
9934 PR tree-optimization/22501
9935 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9936 * params.def (salias-max-array-elements): New parameter.
9937 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9938 * doc/invoke.texi (salias-max-array-elements): Document.
9939 * tree-flow-inline.h (var_can_have_subvars): We also handle
9941 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9943 * tree-ssa-structalias.c (params.h): Include.
9944 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9945 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9946 (get_constraint_for): For ADDR_EXPR operating on something
9947 containing an ARRAY_REF, add all subvars to the solution.
9948 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9949 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9950 for creating MUST_DEFs.
9951 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9953 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9955 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9957 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9958 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9959 number_of_iterations_le): New functions.
9960 (number_of_iterations_special): Removed.
9961 (number_of_iterations_exit): Do not use number_of_iterations_special.
9962 * tree.c (unsigned_type_for): Always return integer type.
9964 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9965 Richard Guenther <rguenther@suse.de>
9967 PR rtl-optimization/24257
9968 * gcse.c (find_moveable_store): Only consider a store movable
9969 when the SET_SRC of the insn can be assigned to a register.
9971 2006-01-14 Ian Lance Taylor <ian@airs.com>
9973 * tree.c (tree_not_class_check_failed): New function.
9974 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9975 (tree_not_class_check_failed): Declare.
9977 2006-01-13 Ian Lance Taylor <ian@airs.com>
9979 * reload1.c (do_output_reload): Add assertion rejecting a
9982 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9984 * combine.c (struct reg_stat): Add new fields truncation_label and
9986 (record_value_for_reg): Reset truncated_to_mode.
9987 (record_truncated_value): New function.
9988 (check_promoted_subreg): Call it. Rename to check_conversions.
9989 (combine_instructions): Rename check_promoted_subreg to
9991 (reg_truncated_to_mode): New function.
9992 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9993 (gen_lowpart_or_truncate): New function.
9994 (force_to_mode): Use it instead of gen_lowpart.
9996 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9998 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9999 VAR is a tag, not its type tag.
10001 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10003 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10004 alternatives to match style of other entries.
10005 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10007 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10009 PR tree-optimization/25771
10010 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10013 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10016 * tree-inline.c (declare_return_variable): If the return variable
10017 was marked as a non gimple complex, set the return slot variable
10018 to be a non gimple comple variable.
10020 2006-01-13 Richard Guenther <rguenther@suse.de>
10022 * builtins.c (expand_builtin_sincos): New function.
10023 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10025 (expand_builtin): Expand sincos using expand_builtin_sincos.
10027 2006-01-12 DJ Delorie <dj@redhat.com>
10029 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10030 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10031 so that constant shifts can be split.
10032 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10033 (m32c_valid_pointer_mode): Make static.
10034 (shift_gen_func_for): New.
10035 (m32c_prepare_shift): Use it. Split large const shifts into
10037 * config/m32c/predicates.md (shiftcount_operand): Allow more
10039 (longshiftcount_operand): New.
10040 * doc/md.texi (Machine Constraints): Document In6.
10042 2006-01-13 Ben Elliston <bje@au.ibm.com>
10044 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10045 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
10048 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
10050 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
10051 to try to avoid clobbering pieces of structures when we know
10052 something about the whole structure.
10053 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
10055 2006-01-13 Ben Elliston <bje@au.ibm.com>
10057 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
10058 return in memory, as this is no limitation is no longer present.
10060 2006-01-12 DJ Delorie <dj@redhat.com>
10062 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10063 mova with fb, and for fb+0 -> An.
10065 * config/m32c/mov.md (peephole2): Fix enabling logic.
10067 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10068 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10069 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10070 FINI_ARRAY_SECTION_ASM_OP): Define.
10072 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10074 (m32c_legitimize_reload_address): New logic to reload FB to An.
10075 (m32c_output_reg_push): Add newline.
10076 (m32c_output_reg_pop): Likewise.
10078 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10080 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10082 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10084 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10086 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10088 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10091 2006-01-11 Ben Elliston <bje@au.ibm.com>
10093 * rtlanal.c (find_reg_note): Assert insn is not null.
10095 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10097 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10100 2006-01-11 Jeff Law <law@redhat.com>
10102 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10104 (mark_threaded_blocks, register_jump_thread): New functions.
10105 (thread_through_all_blocks): Remove unwanted argument. No
10106 longer rely on e->aux to communicate thread target info.
10107 Call mark_threaded_blocks. Release the threaded_blocks
10108 bitmap and threaded_edges vector when complete.
10109 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10110 (threaded_blocks): Remove.
10111 (tree_ssa_dominator_optimize): Remove initialization and
10112 finalization of threaded_blocks. Simplify call to
10113 thread_through_all_blocks.
10114 (thread_across_edge): Call register_jump_thread rather than
10115 storing thread information into e->aux.
10116 (free_all_edge_infos): Simplify now that e->aux is no longer
10117 used to communicate with thread_through_all_blocks.
10118 * tree-flow.h (thread_through_all_blocks): Update prototype.
10119 (register_jump_thread): Prototype.
10121 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10123 * df-core.c (df_compact_blocks, df_bb_replace): Use
10124 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10126 2006-01-11 Richard Guenther <rguenther@suse.de>
10128 PR tree-optimization/25734
10129 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10130 stop propagation after successful propagation to the LHS.
10132 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10134 * basic-block.h (control_flow_graph): Change the type of
10135 x_basic_block_info to VEC(basic_block,gc) *.
10136 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10138 (SET_BASIC_BLOCK): New.
10139 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10140 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10141 * cfgbuild.c (find_basic_blocks): Likewise.
10142 * cfglayout.c (fixup_reorder_chain): Likewise.
10143 * cfgrtl.c (create_basic_block_structure,
10144 rtl_create_basic_block): Likewise.
10145 * ifcvt.c (find_if_case_1): Likewise.
10146 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
10149 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10151 * Makefile.in: Removed rotted odf.c entry.
10153 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10156 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
10157 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
10158 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
10159 output pattern modifier, not %e.
10160 * config/cris/cris.c (cris_op_str): Update comment about pattern
10162 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
10163 before falling through into...
10164 <case 'E'>: Redefined from old 'e' case.
10166 2006-01-11 Jan Hubicka <jh@suse.cz>
10169 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
10171 2006-01-11 Jan Hubicka <jh@suse.cz>
10173 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
10174 * i386.c (x86_decompose_lea): Kill.
10175 (ix86_rtx_costs): Kill.
10177 2006-01-11 Jan Hubicka <jh@suse.cz>
10179 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
10180 * cgraph.h (cgraph_node): Add inline_decl.
10181 (cgraph_insert_node_to_hashtable): Declare.
10182 (save_inline_function_body): Declare.
10183 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
10185 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
10186 (cgraph_function_versioning): Update call of tree_function_versioning.
10187 (save_inline_function_body): New function.
10188 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
10189 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
10190 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
10191 (cgraph_default_inline_p): Likewise.
10192 (cgraph_decide_inlining_incrementally): Likewise.
10193 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10194 (copy_bb): Kill saving; do updating of clones.
10195 (copy_cfg_body): Kill saving.
10196 (initialize_inlined-parameters): Likewise.
10197 (expand_call_inline): Likewise.
10199 (tree_function_versioning): New parameter "update_clones".
10200 (inlining_p): Kill saving.
10201 * tree-inline.h (tree_function_versioning): Update prototype.
10202 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10205 2006-01-11 Ian Lance Taylor <ian@airs.com>
10207 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10208 Allow undoing set of machine mode.
10209 (do_SUBST): Use enums instead of is_int.
10210 (do_SUBST_MODE): New function.
10211 (SUBST_MODE): New macro.
10212 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10213 reg and trying to replace reg_regno_rtx with a new register.
10214 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10215 (simplify_set): Use SUBST_MODE.
10216 (distribute_notes): Remove code that tried to update reg notes
10217 for regno_reg_rtx changes.
10219 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10221 PR tree-optimization/23109
10222 PR tree-optimization/23948
10223 PR tree-optimization/24123
10225 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10226 * tree-cfg.c (single_noncomplex_succ): New.
10227 * tree-flow.h (single_noncomplex_succ): Declare it.
10228 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10229 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10230 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10231 insert_bb, register_division_in, insert_reciprocals,
10232 replace_reciprocal, free_bb): New.
10233 (execute_cse_reciprocals_1): Rewritten.
10234 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10235 Do not commit any edge insertion. Always compute dominators and
10236 create the allocation pool.
10237 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10238 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10239 * targhooks.c (default_min_divistions_for_recip_mul): New.
10240 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10241 * passes.c (init_optimization_passes): Run recip after tree loop
10243 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10245 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10246 Kenneth Zadeck <zadeck@naturalbridge.com>
10248 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10249 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10250 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10251 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10252 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10253 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10254 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10255 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10256 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10257 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10258 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10259 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10260 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10261 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10262 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10263 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10264 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10265 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10266 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10267 DF_SCAN_POST_ALLOC): New macros.
10268 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10269 df_free_bb_function, df_local_compute_function, df_init_function,
10270 df_dataflow_function, df_confluence_function_0,
10271 df_confluence_function_n, df_transfer_function,
10272 df_finalizer_function, df_free_function, df_dump_problem_function,
10273 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10274 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10275 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10276 df_urec_bb_info, ) New types.
10277 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10279 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10280 df_analyze_simple_change_some_blocks,
10281 df_analyze_simple_change_one_block, df_compact_blocks,
10282 df_bb_replace, df_bb_regno_last_use_find,
10283 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10284 df_insn_regno_def_p, df_find_def, df_find_use,
10285 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10286 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10287 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10288 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10289 debug_df_chain, df_get_dependent_problem, df_chain_create,
10290 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10291 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10292 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10293 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10294 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10295 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10296 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10297 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10298 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10299 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10300 df_reorganize_refs, df_set_state, df_hard_reg_init,
10301 df_read_modify_subreg_p) New public functions.
10302 * df-core.c: The core dataflow solver and glue routines for rtl
10304 (df_init, df_add_problem, df_set_blocks, df_finish,
10305 df_hybrid_search_forward, df_hybrid_search_backward,
10306 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10307 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10308 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10309 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10310 df_reg_defined, df_find_use, df_reg_used, df_dump,
10311 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10312 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10313 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10314 debug_df_useno, reset_df_after_reload): New functions.
10315 * df-scan.c: The scanning fuctions, once in df.c, completely
10316 rewritten so that they now fully model the functionality of
10317 register usage at the backend.
10318 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10319 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10320 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10321 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10322 df_get_artificial_defs, df_get_artificial_uses,
10323 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10324 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10325 df_refs_delete, df_reorganize_refs, df_set_state,
10326 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10327 df_def_record_1, df_defs_record, df_uses_record,
10328 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10329 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10330 df_record_exit_block_uses, df_hard_reg_init): New functions.
10332 * df-problems.c: Seven concrete dataflow problems that use the
10333 scanning in df-scan.c and are solved by the engine in df-core.c.
10334 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10335 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10336 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10337 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10338 df_ru_free_bb_info, df_ru_alloc,
10339 df_ru_bb_local_compute_process_def,
10340 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10341 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10342 df_ru_transfer_function, df_ru_free, df_ru_dump,
10343 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10344 df_rd_free_bb_info, df_rd_alloc,
10345 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10346 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10347 df_rd_transfer_function, df_rd_free, df_rd_dump,
10348 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10349 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10350 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10351 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10352 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10353 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10354 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10355 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10356 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10357 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10358 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10359 df_urec_mark_reg_use_for_earlyclobber,
10360 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10361 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10362 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10363 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10364 df_chain_create_bb_process_use, df_chain_create_bb,
10365 df_chain_finalize, df_chain_free, df_chains_dump,
10366 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10367 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10368 df_reg_lifetime): New functions.
10369 * df.c: Deleted file.
10370 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10371 consistent with new df api.
10372 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10373 rest_of_handle_sms): Ditto.
10374 * web.c (unionfind_union, union_defs, entry_register, web_main):
10376 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10377 invariant_expr_equal_p, find_defs, check_dependencies,
10378 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10379 free_inv_motion_data, move_loop_invariants): Ditto.
10380 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10381 Update dependencies.
10382 (odf.c): Added defective entry that was deleted later in day.
10383 * sched-deps.c (sched_analyze_1): Ditto.
10385 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10387 * tree-ssa-operands.c (get_expr_operands): Record addressable
10388 variables directly. Do not call add_stmt_operands for CONST_DECLs
10390 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10391 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
10393 2006-01-11 Ben Elliston <bje@au.ibm.com>
10395 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
10396 function returns true in the positive case.
10398 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10401 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
10402 for SI, DI, SF and DF modes. Add alternatives to copy between
10403 general and floating point registers to the 32-bit patterns.
10404 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
10405 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
10406 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
10407 generating 64-bit code.
10408 * config/pa/pa.c (output_move_double): Handle copies between general
10409 and floating registers.
10411 2006-01-10 Stuart Hastings <stuart@apple.com>
10413 * config/i386/i386.md (set_got): Update.
10414 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
10415 (builtin_setjmp_receiver): Mach-O support.
10416 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
10417 (GOT_SYMBOL_NAME): Define.
10418 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
10419 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
10420 * config/i386/i386.c (override_options): Revise for Darwin.
10421 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
10422 support. (darwin_x86_file_end): New. (output_set_got): Add label
10423 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
10424 * config/i386/i386-protos.h (output_set_got): Likewise.
10425 * config/darwin.c (machopic_legitimize_pic_address): Update
10428 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
10430 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
10431 when MODE isn't BLKmode.
10433 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10435 PR rtl-optimization/25367
10436 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
10438 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
10441 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
10442 for a negative bound.
10444 2006-01-10 Richard Guenther <rguenther@suse.de>
10446 * tree-ssa-structalias.c (get_constraint_for_component_ref):
10447 Never override with anything constraint.
10449 2006-01-10 Jan Beulich <jbeulich@novell.com>
10451 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
10452 256 bits when optimize_size.
10454 2006-01-10 Jan Beulich <jbeulich@novell.com>
10456 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
10458 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
10459 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
10462 2006-01-10 Ben Elliston <bje@au.ibm.com>
10464 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
10466 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
10467 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10468 (USE_FP_FOR_ARG): Reject decimal float modes.
10469 (function_arg_advance): Likewise.
10470 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
10471 (rs6000_handle_altivec_attribute): Do not permit decimal floating
10472 point types in AltiVec vectors.
10473 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
10474 (rs6000_libcall_value): Likewise.
10476 2006-01-09 Bob Wilson <bob.wilson@acm.org>
10478 * config/xtensa/ieee754-df.S: New file.
10479 * config/xtensa/ieee754-sf.S: New file.
10480 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
10481 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
10482 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
10484 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
10486 * config/sh/predicates.md (binary_float_operator,
10487 binary_logical_operator, commutative_float_operator,
10488 equality_comparison_operator, greater_comparison_operator,
10489 less_comparison_operator, logical_operator,
10490 noncommutative_float_operator, shift_operator,
10491 symbol_ref_operand, unary_float_operator): Remove redundant
10494 2006-01-09 Jeff Law <law@redhat.com>
10496 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
10497 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
10498 now unused arguments. Callers updated.
10499 (eliminate_redundant_computations): Remove now unused arguments,
10501 (local_fold): Remove, no longer used.
10502 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
10504 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
10505 (simplify_cond): New function.
10506 (forward_propagate_into_cond): Call simplify_cond.
10508 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
10510 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
10511 (*vec_extractv2di_1_sse): New.
10513 2006-01-09 Ben Elliston <bje@au.ibm.com>
10515 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
10517 2006-01-08 Richard Guenther <rguenther@suse.de>
10519 * tree-ssa-structalias.c (get_constraint_for): Remove
10520 anyoffset argument.
10521 (get_constraint_for_component_ref): Likewise.
10522 (do_deref): Likewise.
10523 (get_constraint_for): Likewise.
10524 (do_structure_copy): Likewise.
10525 (handle_ptr_arith): Likewise.
10526 (find_func_aliases): Likewise. Remove unused need_anyoffset
10529 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10530 Kaz Kojima <kkojima@gcc.gnu.org>
10532 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10533 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10534 (EXTRA_CONSTRAINT_C16): Remove.
10535 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10536 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10537 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10538 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10539 constants of SHmedia. Handle nested constant expressions of
10541 (andcosts): Fix the costs for SHmedia constants.
10542 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10543 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10544 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10545 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10546 (movv4hi_i, movv2si_i): Likewise.
10547 (movsi_const): Adjust the second operand of ior so to match with
10548 the Csu constraint.
10549 (movdi_const, movdi_const_32bit): Likewise.
10550 (movdi_const_16bit+1): Don't sign-extend LOW.
10551 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10553 (*double_shori): Fix the split condition. Use GEN_INT instead
10554 of get_int_mode calls. Mask lower 16-bit of the argument of
10556 (sym2GOTPLT): Remove.
10557 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10559 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10560 instead of EXTRA_CONSTRAINT_C16.
10562 2006-01-07 Ian Lance Taylor <ian@airs.com>
10563 David Edelsohn <edelsohn@gnu.org>
10565 PR rtl-optimization/25662
10566 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10567 for constant operands instead of simplify_gen_binary.
10568 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10569 after trying simplify_binary_operation
10571 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10573 * tree.c (iterative_hash_expr): Hash decls based on UID.
10575 2006-01-06 Eric Christopher <echristo@apple.com>
10577 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10578 (TARGET_UNWIND_EMIT): Fix spelling.
10579 * target.h (gcc_target): Add except_table_label.
10580 * except.c (output_function_exception_table): Use.
10581 * varasm.c (default_emit_except_table_label): New.
10582 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10584 (asm_out): Add here.
10585 * output.h (default_emit_except_table_label): Prototype.
10586 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10587 * config/darwin.c (darwin_emit_except_table_label): Define.
10588 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10590 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10592 PR tree-optimization/18527
10593 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10594 number_of_iterations_special, number_of_iterations_exit):
10595 Move base and step of an iv to a single structure. Add
10596 no_overflow flag, and use it in # of iterations analysis.
10597 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10598 folded_casts argument.
10599 (simple_iv): Pass base and step in a structure. Set no_overflow
10601 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10602 Evaluate expensiveness of computing # of iterations instead of
10603 the final expression.
10604 * tree-scalar-evolution.h (affine_iv): New structure.
10605 (simple_iv): Declaration changed.
10606 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10607 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10608 find_givs_in_stmt): Changed due to simple_iv change.
10610 2006-01-06 Jeff Law <law@redhat.com>
10613 * tree-cfg.c (bsi_replace): Rename final argument from
10614 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10615 change (stmt -> orig_stmt).
10616 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10617 (bsi_remove): Add new argument. Remove EH information
10619 (verify_eh_throw_table_statements): New function.
10620 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10622 * tree-optimize.c (execute_free_cfg_annotations): Verify
10623 the EH throw statement table after removing annotations.
10624 * except.h (verify_eh_throw_table_statements): Prototype.
10625 * tree-flow.h (bsi_remove): Update prototype.
10626 * tree-vrp.c (remove_range_assertions): Add new argument to
10628 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10629 * tree-complex.c (expand_complex_div_wide): Likewise.
10630 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10631 * tree-tailcall.c (eliminate_tailcall): Likewise.
10632 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10633 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10634 * tree-nrv.c (tree_nrv): Likewise.
10635 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10636 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10637 (combine_blocks): Likewise.
10638 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10639 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10640 (cleanup_control_flow): Likewise.
10641 (remove_forwarder_block): Likewise.
10642 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10643 * tree-sra.c (sra_replace): Likewise.
10644 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10645 (forward_propagate_single_use_vars): Likewise.
10646 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10647 * tree-inline.c (expand_call_inline): Likewise.
10648 * tree-vect-transform.c (vect_transform_loop): Likewise.
10649 * tree-outof-ssa.c (rewrite_trees): Likewise.
10650 * tree-cfg.c (make_goto_expr_edges): Likewise.
10651 (cleanup_dead_labels): Likewise.
10652 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10653 (bsi_move_before, bsi_move_after): Likewise.
10654 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10655 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10657 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10660 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10662 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10663 on non gimple variables. Also add checks at the top for decls and
10665 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10667 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10668 and IMAGPART_EXPR for creating MUST_DEFs.
10669 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10670 and NAME_MEMORY_TAG separately from the DECLs.
10672 2006-01-06 Richard Guenther <rguenther@suse.de>
10674 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10675 annotation, if necessary.
10676 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10677 redundant calls to update_stmt.
10678 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10681 2006-01-05 Richard Henderson <rth@redhat.com>
10683 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10685 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10687 * c-typeck.c: Update copyright date.
10689 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10691 * c-typeck.c (build_c_cast): Always warn when casting
10692 from a pointer to an integer of different size, even if
10693 the node was constant.
10695 2006-01-05 Richard Guenther <rguenther@suse.de>
10697 PR tree-optimization/22555
10698 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10699 if one structure field is an array.
10700 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10701 operands even if we found a subvar, but ignore VOPs in this
10703 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10705 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10707 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10709 PR middle-end/24998
10710 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10712 2006-01-05 Richard Guenther <rguenther@suse.de>
10713 Diego Novillo <dnovillo@redhat.com>
10715 * tree-pass.h (TODO_remove_unused_locals): Define.
10716 * gimple-low.c (expand_var_p, remove_useless_vars,
10717 pass_remove_useless_vars): Remove. Update all users.
10718 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10719 (remove_unused_locals): New function.
10720 * tree-flow.h (remove_unused_locals): Declare.
10721 * passes.c (execute_todo): Call remove_unused_locals if
10722 TODO_remove_unused_locals is set.
10723 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10724 * tree-ssa-dce.c (pass_dce): Likewise.
10725 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10727 2006-01-05 Richard Guenther <rguenther@suse.de>
10729 * tree-flow.h (struct fieldoff): Decompose field to
10730 type, size and decl.
10731 * tree-ssa-alias.c (create_sft): Take type as parameter.
10732 (create_overlap_variables_for): Store type, size and decl
10733 in the fieldoff structure.
10734 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10735 of struct fieldoff.
10736 (push_fields_onto_fieldstack): Likewise.
10737 (create_variable_info_for): Likewise. Use offset for the
10738 SFT name if the decl is not available.
10740 2006-01-04 Paul Brook <paul@codesourcery.com>
10742 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10744 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10746 * lambda-code.c (can_put_in_inner_loop): Relax
10748 (can_put_after_inner_loop): New function.
10749 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10750 (perfect_nestify): Change to make copies and modify uses.
10752 2006-01-04 Richard Henderson <rth@redhat.com>
10754 Merge from gomp branch:
10755 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10756 via integer constant.
10757 (pragma_lex): Remove.
10758 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10759 rather than parsing it.
10760 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10761 handle_pragma_extern_prefix): Add %< %> quotes.
10762 (registered_pragmas): New.
10763 (c_register_pragma_1): New.
10764 (c_register_pragma): Use it.
10765 (c_register_pragma_with_expansion): Likewise.
10766 (c_invoke_pragma_handler): New.
10767 (init_pragma): Use cpp_register_deferred_pragma directly for
10769 * c-pragma.h (enum pragma_kind): New.
10770 (pragma_handler): New.
10771 (c_invoke_pragma_handler): Declare.
10772 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10774 * c-common.h (c_common_pch_pragma): Update decl.
10775 * Makefile.in (c-parser.o): Update dependencies.
10776 (GTFILES): Add c-pragma.h.
10777 * c-parser.c (struct c_token): Add pragma_kind.
10778 (struct c_parser): Add in_pragma.
10779 (c_lex_one_token): Always initialize keyword and pragma_kind.
10780 Extract data for CPP_PRAGMA.
10781 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10782 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10783 Don't allow CPP_PRAGMA_EOL if in_pragma.
10784 (c_parser_consume_pragma): New.
10785 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10786 (c_parser_skip_to_end_of_parameter): Likewise.
10787 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10788 (c_parser_skip_to_pragma_eol): New.
10789 (c_parser_external_declaration): Handle CPP_PRAGMA.
10790 (c_parser_compound_statement_nostart): Likewise.
10791 (c_parser_statement_after_labels): Likewise.
10792 (c_parser_pragma): New.
10793 (pragma_lex): Likewise.
10794 (c_parser_pragma_pch_preprocess): New.
10795 (c_parser_new): Merge into ...
10796 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10798 2006-01-04 Jeff Law <law@redhat.com>
10801 * tree-cfg.c (bsi_replace): Remove the original statement
10802 from the EH throw statement table.
10804 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10806 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10807 make the prototype extern "C" and add throw ().
10810 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10811 and pos non-negative and pos + len <= 32.
10812 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10813 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10814 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10817 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10818 as well as sizes not multiple of component size.
10821 * function.c (instantiate_expr): New function.
10822 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10823 walk its DECL_VALUE_EXPR with instantiate_expr.
10825 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10826 DW_OP_deref{,_size} if address isn't going to be added.
10828 2006-01-04 Ben Elliston <bje@au.ibm.com>
10830 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10831 * config/fp-bit.c: Likewise.
10833 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10835 * dominance.c: Add comment about why we use DFS numbering
10838 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10839 Richard Henderson <rth@redhat.com>
10841 Merge from gomp-branch:
10842 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10843 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10845 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10847 PR rtl-optimization/25578
10848 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10849 pass a parameter to simplify_shift_const if changing ASHIFTRT
10852 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10854 * builtins.c (get_builtin_sync_mem): New function.
10855 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10856 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10857 Call get_builtin_sync_mem to generate mem rtx.
10859 2006-01-03 Richard Guenther <rguenther@suse.de>
10862 * stmt.c (add_case_node): Make sure to clear overflow flags
10865 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10867 Merge from gomp-branch.
10868 * config/sparc/sync.md: New file.
10869 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10870 UNSPECV_LDSTUB): New constants.
10871 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10872 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10873 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10876 2006-01-03 Roger Sayle <roger@eyesopen.com>
10878 * combine.c (reg_subword_p): New predicate to test whether the
10879 destination of a set refers to a subword/piece of a register.
10880 (try_combine): Generalize the code to merge the setting of a
10881 pseudo to a constant followed by a set of a subword of that
10882 register to a constant.
10884 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10886 * basic-block.h (control_flow_graph): Change the type of
10887 x_label_to_block_map to VEC(basic_block,gc) *.
10888 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10889 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10891 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10892 VEC(basic_block,heap) *.
10893 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10894 ssa_prop_fini): Adjust the uses of cfg_blocks.
10896 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10898 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10900 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10901 hashing trees instead of a pointer hash.
10902 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10903 compare for MEM_EXPR.
10905 PR rtl-optimization/25130
10906 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10907 when comparing MEMs for GCSE
10909 2006-01-03 Ben Elliston <bje@au.ibm.com>
10911 * targhooks.h (default_decimal_float_supported_p): Declare.
10912 * targhooks.c (default_decimal_float_supported_p): Define.
10913 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10914 `default_decimal_float_supported_p'.
10915 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10917 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10919 * combine.c (apply_distributive_law <SUBREG>): Check
10920 TRULY_NOOP_TRUNCATION.
10922 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10924 * dwarf2out.c (have_switched_text_section): Delete.
10925 (have_multiple_function_sections): New.
10926 (have_location_lists): Make 'bool'.
10927 (add_AT_loc_list): Use 'true' not '1'.
10928 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10929 (output_loc_list): Use have_multiple_function_sections.
10930 (output_ranges): Likewise.
10931 (dwarf2out_begin_function): Set have_multiple_function_sections if
10933 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10934 Check function_section rather than DECL_SECTION_NAME.
10935 (dwarf2out_finish): Use have_multiple_function_sections.
10936 Don't clear have_location_lists.
10938 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10939 Jan Hubicka <jh@suse.cz>
10941 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10942 case of conditional jump jumping to the next instruction.
10943 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10944 cases of conditional jump jumping to the next instruction.
10946 2006-01-02 Jan Hubicka <jh@suse.cz>
10948 * i386.c (*_cost): Add COSTS_N_INSNS.
10949 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10951 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10954 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10956 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10958 * config/arm/arm.c (all_fpus): Fix comment typo.
10959 * config/darwin.c: Likewise.
10960 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10961 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10962 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10964 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10966 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10967 (rs6000_split_compare_and_swapqhi): New.
10968 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10969 (sync_compare_and_swapqhi_internal): New.
10970 * config/rs6000/rs6000-protos.h: Declare.