1 2006-05-18 Mike Stump <mrs@apple.com>
3 Fix up vla, vm and [*] sematics.
8 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
11 * c-decl.c (struct c_scope): Add had_vla_unspec.
12 (build_array_declarator): Add support for [*].
13 (grokdeclarator): Likewise.
14 (grokparms): Likewise.
15 (get_parm_info): Likewise.
16 * c-objc-common.c (c_vla_unspec_p): Likewise.
17 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
18 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
19 typeof when argument is a variably modified type not inside sizeof or alignof.
20 (c_parser_direct_declarator_inner): Propagate errors.
21 (c_parser_sizeof_expression): Add support for [*].
22 * c-typeck.c (c_vla_type_p): Add.
23 (composite_type): Add support for vla compositing.
24 (comptypes_internal): Add support for vla compatibility.
25 (c_expr_sizeof_expr): Evaluate vla arguments.
26 * tree.c (variably_modified_type_p): Update comment for [*].
28 2006-05-18 Michael Matz <matz@suse.de>
31 * config.host: Make assignments to host_xmake_file cumulative.
32 * config.host (*-darwin*): Test $host, not $target.
34 2006-05-12 Stuart Hastings <stuart@apple.com>
36 * config/i386/i386.opt (-mstackrealign): New flag.
37 * config/i386/i386.c (force_align_arg_pointer): New attribute.
38 (ix86_handle_cconv_attribute): Emit error when
39 force_align_arg_pointer attribute collides with too many regparms.
40 (ix86_function_regparm): Limit regparms when used with
41 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
42 Support stack-realigning prologue in non-main functions. Emit
43 warning for nested functions under -mstackrealign, emit error for
44 nested functions with force_align_arg_pointer attribute.
45 * doc/extend.texi (force_align_arg_pointer): Document it.
46 * doc/invoke.texi (-mstackrealign): Document it.
48 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
50 PR rtl-optimization/27477
51 * combine.c (try_combine): Don't split a parallel consisting
52 of two sets into two individual sets if both sets reference
55 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
57 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
58 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
60 * doc/options.texi (VarExists): Updated.
62 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
64 * unwind-dw2.c: Add declarations for uw_update_context and
66 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
67 detected, advance frame state and context once to skip over stub.
69 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
73 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
74 Call rewrite_into_loop_closed_ssa only when something changed.
75 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
76 * lambda-code.c (can_convert_to_perfect_nest): Declared.
77 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
78 Test for perfect_nest_p here. Fix formating.
79 (replace_uses_equiv_to_x_with_y): Fix formating.
80 (stmt_uses_op): Removed.
81 (can_convert_to_perfect_nest): Removed loopivs parameter.
82 Complete the test by checking the scalar dependences.
83 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
86 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
89 From Dan Kegel <dank@kegel.com>:
90 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
92 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
94 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
95 if the element type is variably modified without recursing.
97 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
100 * tree-loop-linear.c (try_interchange_loops): Test for
103 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
105 PR tree-optimization/27548
106 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
107 range of ssa names that appear on abnormal edges.
108 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
109 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
111 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
114 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
116 2006-05-17 Jakub Jelinek <jakub@redhat.com>
119 * tree.h (OMP_PARALLEL_COMBINED): Define.
120 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
121 (new_omp_context): Add is_combined_parallel argument.
122 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
123 new_omp_context caller.
124 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
125 Adjust gimplify_scan_omp_clauses callers.
126 (omp_is_private): Issue errors if iteration variable is firstprivate
127 or reduction in the current context.
128 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
129 on combined parallel workshare constructs.
131 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
133 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
134 (gcc-options.o): New rule.
136 * optc-gen.awk: Protect variables for gcc-options.o with
137 #ifdef GCC_DRIVER/#endif.
139 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
141 Fix PR tree-optimization/27373
142 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
143 (forward_propagate_addr_expr): Update call.
145 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
147 * doc/options.texi: Move the Negative option.
149 2006-05-16 Richard Guenther <rguenther@suse.de>
151 PR tree-optimization/22303
152 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
154 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
155 ccp_fold did not simplify the statement.
157 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
160 * Makefile.in (GCC_OBJS): New.
161 (OBJS-common): Add opts-common.o.
162 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
163 (cpp$(exeext)): Likewise.
164 (gcc.o): Also depend on opts.h.
165 (opts-common.o): New.
167 * common.opt (gcoff): Add Negative(gdwarf-2).
168 (gdwarf-2): Add Negative(gstabs).
169 (gstabs): Add Negative(gstabs+).
170 (gstabs+): Add Negative(gvms).
171 (gvms): Add Negative(gxcoff).
172 (gxcoff): Add Negative(gxcoff+).
173 (gxcoff+): Add Negative(gcoff).
174 * config/i386/i386.opt (m32): Add Negative(m64).
175 (m64): Add Negative(m32).
177 * doc/options.texi: Document the Negative option.
179 * gcc.c: Include "opts.h".
180 (main): Call prune_options after expandargv.
182 * optc-gen.awk: Generate common declarations for all flag
183 variables in options.c. Output the neg_index field.
185 * opts.c (find_opt): Moved to ...
186 * opts-common.c: Here. New file.
188 * opts.h (cl_option): Add a neg_index field.
190 (prune_options): Likewise.
192 2006-05-16 Jakub Jelinek <jakub@redhat.com>
195 * omp-low.c (expand_omp_parallel): Don't assert
196 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
197 instead search for it.
200 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
203 2006-05-16 Andreas Schwab <schwab@suse.de>
205 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
208 2006-05-15 Roger Sayle <roger@eyesopen.com>
211 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
212 integer constants other than zero are only legitimate on TARGET_64BIT.
213 <CONST_VECTOR> Only zero vectors are legitimate.
214 (ix86_cannot_force_const_mem): Integral and vector constants can
215 always be put in the constant pool.
217 2006-05-16 DJ Delorie <dj@redhat.com>
219 * crtstuff.c (__dso_handle): Set section from
220 TARGET_LBIGCC_SDATA_SECTION if defined.
221 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
222 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
224 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
227 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
230 2006-05-16 Ben Elliston <bje@au.ibm.com>
232 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
234 2006-05-15 Per Bothner <per@bothner.com>
236 * tree.c: (last_annotated_node): Use sources_locus typedef.
237 This permits bootstrapping with --enable-mapped-location.
239 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
241 PR tree-optimization/26830
242 * tree-into-ssa.c (struct ssa_name_info): Add age field.
243 (info_for_ssa_name, current_info_for_ssa_name_age,
244 blocks_to_update): New variables.
245 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
246 (clear_ssa_name_info, initialize_flags_in_bb,
247 mark_block_for_update): New functions.
248 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
249 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
250 prepare_def_site_for): Use mark_block_for_update.
251 (mark_def_interesting): Assert that the processed block is marked in
252 blocks_to_update. Do not take blocks argument.
253 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
255 (rewrite_update_init_block, rewrite_update_stmt): Only process
256 blocks with statements to rewrite.
257 (delete_update_ssa): Do not clear SSA_NAME_AUX.
258 (update_ssa): Initialize and free blocks_to_update. Do not
259 clear flags on statements. Do not use blocks bitmap.
260 * tree.h (SSA_NAME_AUX): Removed.
261 (struct tree_ssa_name): Removed aux field.
262 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
264 2006-05-15 Richard Guenther <rguenther@suse.de>
266 PR tree-optimization/27603
267 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
268 Do computations in original type.
270 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
272 * see.c: Code style changes such as redundant paranthesis,
273 redundant intialization of local variables etc.
274 (see_main): Declared now as static.
275 * doc/invoke.texi: Update that -fsee is not enabled by
278 2006-05-15 Jakub Jelinek <jakub@redhat.com>
280 * omp-low.c (check_omp_nesting_restrictions): New function.
281 (scan_omp_1): Call it.
284 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
285 construct, return *VAR.
287 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
289 PR rtl-optimization/27406
290 * bt-load.c (migrate_btr_def): Skip the block having abnormal
293 2006-05-14 Roger Sayle <roger@eyesopen.com>
295 PR rtl-optimization/27538
296 * combine.c (expand_compound_operation): Call gen_lowpart
297 before calling simplify_shift_const.
299 2006-05-14 Roger Sayle <roger@eyesopen.com>
301 PR rtl-optimization/22563
302 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
303 a fixed width bitfield, always force the intermediates into psuedos.
305 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
308 * mkconfig.sh: Use operator = instead of == for test.
310 2006-05-13 Nick Clifton <nickc@redhat.com>
312 * dwarf2out.c (dbx_reg_number): Check return value from
313 LEAF_REG_REMAP and only use it if it is valid.
314 (multiple_reg_loc_descriptor): Likewise.
316 2006-05-13 Richard Guenther <rguenther@suse.de>
318 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
321 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
323 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
324 information attached to non-INSNs such as NOTEs.
325 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
327 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
329 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
331 * config/s390/s390.md: Adjust comment describing On constraint.
333 2006-05-11 Jan Hubicka <jh@suse.cz>
335 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
338 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
341 * fold-const.c (size_binop): Move sanity check for arguments to
342 the beginning of the function.
345 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
348 2006-05-11 Richard Guenther <rguenther@suse.de>
351 * fold-const.c (fold_unary): Handle intermediate conversion
352 to a pointer type like intermediate conversion to an integer
353 type in folding of (T1)(T2)var to var.
354 Match the code to the comment in the final conversion for
355 (T1)(T2)var to (T1)var regarding to type precision. Rather
356 than disallow T1 being of pointer type, assert that both T1
357 and var are of pointer type or not. Make sure not to fall
358 over the frontends lazyness wrt array to pointer decay though.
360 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
362 * arm.c (arm_struct_value_rtx): Delete.
363 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
364 (arm_init_cumulative_args): Always initialize nregs to zero.
366 2006-05-10 Richard Guenther <rguenther@suse.de>
368 PR tree-optimization/27532
369 * tree-object-size.c (plus_expr_object_size): Fix typo.
371 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
374 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
375 ashrdi_const, ashrdi3): Use a scratch register.
377 2006-05-10 Richard Guenther <rguenther@suse.de>
379 PR tree-optimization/27302
380 * fold-const.c (operand_equal_p): For two comparisons,
381 try comparison of one comparison code swapped if that yields
384 2006-05-10 Ben Elliston <bje@au.ibm.com>
386 * tree-pretty-print.c (pretty_print_string): No need to handle
387 '\0' as a special character.
389 * tree.h: Include "hashtab.h".
390 (iterative_hash_expr): Use hashval_t in its prototype.
391 * Makefile.in (TREE_H): Add $(HASHTAB_H).
393 2006-05-09 Steve Ellcey <sje@cup.hp.com>
396 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
397 (hppa*64*-*-hpux11*): Ditto.
398 (hppa[12]*-*-hpux11*): Ditto.
400 2006-05-09 David Edelsohn <edelsohn@gnu.org>
403 * config/rs6000/aix41.h (TARGET_64BIT): Define.
405 2006-05-09 Michael Matz <matz@suse.de>
407 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
408 host_extra_gcc_objs and host_xmake_file.
409 (<*-*-linux*>): Don't overwrite host_xmake_file.
410 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
411 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
412 (host_detect_local_cpu): Declare.
413 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
414 * config/i386/i386.c (override_options): Handle -mtune=native
416 * config/i386/x-i386: New file.
417 * config/i386/driver-i386.c: New file.
418 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
421 2006-05-09 Dirk Mueller <dmueller@suse.de>
422 Richard Guenther <rguenther@suse.de>
425 * fold-const.c (fold_read_from_constant_string): Relax check
426 for matching types to matching modes.
428 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
430 PR rtl-optimization/27335
431 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
434 2006-05-08 Chao-ying Fu <fu@mips.com>
435 Richard Sandiford <richard@codesourcery.com>
437 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
438 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
439 * config/mips/mips.md (UNSPEC_SCC): New constant.
440 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
441 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
442 (mips_emit_compare): Use it.
443 (mips_expand_vcondv2sf): New function.
445 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
447 Fix PR tree-optimization/27093
448 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
449 renaming when they become not-used_alone.
451 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
453 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
454 relocation and relocation stubs.
456 2006-05-08 Eric Christopher <echristo@apple.com>
458 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
461 2006-05-08 Jan Hubicka <jh@suse.cz>
464 * cgraphunit.c (decide_is_function_needed): When not optimizing even
465 unused static functions are needed.
467 2006-05-08 Roger Sayle <roger@eyesopen.com>
470 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
471 of a reg_equiv_constant if the result is a legitimate constant.
473 2006-05-08 Uros Bizjak <uros@kss-loka.si>
476 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
477 standard 80387 constants, raise the cost to prevent
478 compress_float_constant() to generate load from memory.
480 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
482 * config/arm/constraints.md (c): Fix a typo.
484 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
487 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
490 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
492 (_mm_mwait): Likewise.
494 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
496 (sse3_monitor): Make it 32bit only.
497 (sse3_monitor64): New. 64bit monitor.
499 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
502 * config/i386/i386.c (classify_argument): Skip fields with invalid
505 2006-05-07 Richard Guenther <rguenther@suse.de>
507 PR tree-optimization/27409
508 * tree-ssa-structalias.c (get_constraint_for_component_ref):
509 Do not try to find zero-sized subvars.
511 2006-05-07 Richard Guenther <rguenther@suse.de>
513 PR tree-optimization/27136
514 * tree-ssa-loop-niter.c (get_val_for): Correct function
515 comment, assert requirements.
516 (loop_niter_by_eval): Stop processing if the iterated
517 value did not simplify.
519 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
521 * opts.c (flag_see): remove its setting at -O3.
523 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
525 * genpeep.c (main): Make insn-peep.c depend on flags.h.
526 * arm/constraints.md: New file.
527 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
528 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
529 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
530 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
531 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
532 (EXTRA_MEMORY_CONSTRAINT): Likewise.
533 * arm.md: Include constraints.md.
534 (thumb_movsi_insn): Use satisfies_constraint_J.
535 (movhi, movqi): Use satisfies_constraint_I.
537 2006-04-29 Anatoly Sokolov <aesok@post.ru>
539 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
540 for atmeg a645 device.
542 2006-05-06 Richard Guenther <rguenther@suse.de>
544 PR tree-optimization/27151
545 * tree-vect-transform.c (vectorizable_condition): Punt on
546 values that have a different type than the condition.
548 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
551 * c-parser.c (c_parser_cast_expression): Only insert casts into
552 hash table if pointer.
553 * function.c (used_types_insert_helper): Rename from
555 (used_types_insert): Call used_types_insert_helper.
556 * function.h (used_types_insert): Accept only one argument.
558 2006-05-05 David Edelsohn <edesohn@gnu.org>
560 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
561 scratch with output modifier.
563 2006-05-04 David Edelsohn <edelsohn@gnu.org>
566 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
567 with output modifier.
569 2006-05-04 Richard Sandiford <richard@codesourcery.com>
572 * config/mips/mips.c (mips_symbolic_address_p): Return true
573 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
574 SYMBOL_GOTTPREL, and SYMBOL_TLS.
576 2006-05-04 Richard Guenther <rguenther@suse.de>
578 PR tree-optimization/14287
579 PR tree-optimization/14844
580 PR tree-optimization/19792
581 PR tree-optimization/21608
582 PR tree-optimization/27090
583 * tree-ssa-pre.c (try_combine_conversion): New function.
584 (compute_avail): After constructing the value-handle
585 expression, use try_combine_conversion to combine NOP_EXPRs
586 with previous value-handle expressions and use the result if it
589 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
591 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
593 2006-05-04 Jan Hubicka <jh@suse.cz>
596 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
598 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
600 * config/bfin/predicates.md (const01_rtx): Tell generator programs
601 that this only matches CONST_INTs. All users changed to VOIDmode
604 * config/bfin/bfin.c: Include "optabs.h".
605 (bfin_rtx_costs): Some costs for vector operations, to allow combine
607 (enum bfin_builtins): Add a number of fractional and vector builtins.
608 (bfin_init_builtins): Likewise.
609 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
610 (safe_vector_operand, bfin_expand_binop_builtin,
611 bfin_expand_unop_builtin): New functions.
612 (bfin_expand_builtin): Handle the new builtins.
613 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
616 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
619 * Makefile.in (OBJS-common): Add see.o.
620 (see.o): Add dependencies.
621 * common.opt (fsee): New flag for the see optimization was added.
622 * opts.c (flag_see): Initialized.
623 * passes.c (init_optimization_passes, pass_see): New pass.
624 * rtl.h (see_main): Declaration as extern.
625 * timevar.def (TV_SEE): New.
626 * tree-pass.h (pass_see): Declaration as extern.
627 * invoke.texi (-fsee): Document.
628 * recog.c (validate_simplify_insn): New function.
629 * recog.h (validate_simplify_insn): Declaration as extern.
630 * df-problems.c (df_chain_dump): Check for NULL.
632 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
633 Daniel Berlin <dberlin@dberlin.org>
635 * cfgrtl.c (insert_insn_bb_end_new): New function.
636 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
638 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
640 * df.h (struct web_entry): Moved from web.c.
641 (union_defs): Declaration as extern.
642 (unionfind_root): Likewise.
643 (unionfind_union): Likewise.
644 * web.c (struct web_entry): Moved to df.h.
645 (unionfind_root): Remove static declaration.
646 (unionfind_union): Likewise.
647 (union_defs): Likewise and generalize to use callback function.
648 (web_main): Update arguments for union_defs function call.
650 2006-05-04 Richard Guenther <rguenther@suse.de>
652 PR tree-optimization/26447
653 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
654 produce SSA_NAME copies before the store stmt to avoid
655 breaking exception handling.
657 2006-05-04 Jakub Jelinek <jakub@redhat.com>
660 * gimplify.c (omp_is_private): If var is shared in some outer context,
661 return false instead of true. Stop searching on parallel context
664 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
667 * coverage.c: Use get_gcov_unsigned_t() instead of
668 unsigned_type_node all over.
670 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
672 PR tree-optimization/27381
673 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
674 maintain the same immediate_use links.
675 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
676 node rather than segfaulting.
678 2006-05-03 Jakub Jelinek <jakub@redhat.com>
681 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
682 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
683 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
685 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
687 Fix PR tree-optimization/26626
688 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
690 * tree-ssa-operands.c (access_can_touch_variable): Allow
691 typecasting through union pointers.
693 2006-05-02 Jakub Jelinek <jakub@redhat.com>
696 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
697 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
698 to find if var will be a global variable even in the nested context.
699 (omp_copy_decl): Only check for global variable at the end, it might
700 be overridden in outer contexts.
701 (scan_sharing_clauses): For global variables don't create a field.
702 (lower_rec_input_clauses): Do nothing for global shared variables.
703 Emit a barrier at the end of ILIST if there were any decls in both
704 firstprivate and lastprivate clauses.
705 (lower_send_clauses): Do nothing for global variables except for
708 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
710 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
711 of the correct signedness is returned.
713 2006-05-02 Jeff Law <law@redhat.com>
715 PR tree-optimization/27364
716 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
717 multiply expressions.
719 2006-05-02 Tom Tromey <tromey@redhat.com>
721 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
723 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
726 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
727 -mthumb -fPIC are used.
729 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
730 Joshua Kinard <kumba@gentoo.org>
733 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
734 with 64-bit pointers.
736 2006-05-02 Paul Brook <paul@codesourcery.com>
738 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
740 (create_fix_barrier): Check that a suitable barrier location is
742 (arm_reorg): Include ftmp->address in allowable range of addresses.
744 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
747 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
750 2006-05-02 Jakub Jelinek <jakub@redhat.com>
753 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
754 around RESULT_DECL for result passed by reference.
755 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
756 * omp-low.c (use_pointer_for_field): Don't look at
757 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
758 (scan_omp_1): Call remap_decl on RESULT_DECLs.
759 (lower_rec_input_clauses): Don't allocate VLA memory for the second
760 time or var for passing by reference for
761 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
762 TREE_ADDRESSABLE variables when passing by reference.
764 * omp-low.c (dump_omp_region): Fix output formatting.
767 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
768 (expand_omp_parallel): Likewise.
769 * tree-cfg.c (move_sese_region_to_fn): Likewise.
772 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
773 on statement list containing also constructors and destructors.
774 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
777 * except.c (duplicate_eh_regions): Fix clearing of
778 cfun->eh->region_array entries.
780 2006-05-01 DJ Delorie <dj@redhat.com>
782 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
784 (gcc_cv_objdump): Likewise.
785 * configure: Regenerated.
787 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
790 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
791 templates for case 3 and 4.
793 2006-05-01 DJ Delorie <dj@redhat.com>
795 * vec.c: Include bconfig.h when appropriate.
796 * Makefile.in (build/vec.o): Adjust dependencies.
797 * mkconfig.sh: Make sure config.h isn't used for build machine
800 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
802 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
804 (mark_phi_for_rewrite): New function.
805 (insert_phi_nodes_for, mark_use_interesting): Call
806 mark_phi_for_rewrite.
807 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
808 (update_ssa): Initialize and free phis_to_rewrite.
810 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
812 PR rtl-optimization/27291
813 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
814 folded to a constant.
816 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
818 PR tree-optimization/27283
819 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
820 not whole # of iteration descriptions.
821 (niter_for_exit): Return just # of iterations. Fail if # of iterations
822 uses abnormal ssa name.
823 (niter_for_single_dom_exit): Ditto.
824 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
825 return just the number of iterations.
827 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
829 PR tree-optimization/27144
830 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
831 (record_estimate): Only record constant upper bound.
832 (infer_loop_bounds_from_undefined): Call
833 compute_estimated_nb_iterations just once.
834 (proved_non_wrapping_p): Renamed to ...
835 (n_of_executions_at_most): ... this. Expect bound to be a constant.
836 (convert_step_widening, scev_probably_wraps_p): Call
837 n_of_executions_at_most instead of proved_non_wrapping_p.
838 (substitute_in_loop_info): Do not replace values in bounds.
839 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
842 2006-05-01 Richard Henderson <rth@redhat.com>
845 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
846 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
849 2006-05-01 Roger Sayle <roger@eyesopen.com>
851 * c-typeck.c (parser_build_binary_op): Don't call the function
852 unsigned_conversion_warning to spot operand/result type overflow.
853 (build_binary_op): Instead, call convert_and_check instead of
854 convert to report the problem when the operands are promoted.
855 * c-common.c (unsigned_conversion_warning): Make static.
856 * c-common.h (unsigned_conversion_warning): Delete prototype.
858 2006-05-01 Richard Guenther <rguenther@suse.de>
860 PR tree-optimization/26726
861 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
863 (find_interesting_uses_address): ... we work around here
864 by folding INDIRECT_REFs in the substituted base.
866 2006-05-01 Diego Novillo <dnovillo@redhat.com>
868 * omp-low.c (dump_omp_region): Add newlines.
870 2006-04-30 Roger Sayle <roger@eyesopen.com>
872 * common.opt (Woverflow): New command line option.
873 * c-common.c (constant_expression_warning): Check warn_overflow.
874 (overflow_waring): Pass OPT_Woverflow to warning.
875 (unsigned_conversion_warning): Likewise.
876 (convert_and_check): Likewise.
877 * doc/invoke.texi: Document new command line option.
879 2006-04-30 David Edelsohn <edelsohn@gnu.org>
881 * config/rs6000/rs6000.c (rs6000_override_options): Enable
882 TARGET_NO_FP_IN_TOC for section anchors.
883 (optimization_options): Enable section anchors for all
884 non-"Objective" languages.
886 2006-04-28 Eric Christopher <echristo@apple.com>
888 * config/darwin-c.c (darwin_ms_struct): Move this
889 (darwin_set_default_type_attributes): and this...
890 * config/darwin.c: ... here.
891 * config/darwin.h (darwin_ms_struct): Declare.
893 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
895 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
897 2006-04-28 Roger Sayle <roger@eyesopen.com>
900 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
901 (push_array_bounds): Delete prototype. Change BOUNDS argument to
902 an unsigned HOST_WIDE_INT.
903 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
905 (really_start_incremental_init): No need to call convert because
906 bitsize_zero_node is already of type bitsizetype.
907 (push_init_level): Extract the value of constructor_index as an
908 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
909 (process_init_element): Likewise.
911 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
913 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
914 value before passing to make_relative_prefix.
916 2006-04-28 Alan Modra <amodra@bigpond.net.au>
919 * builtins.c (expand_builtin_memset): Expand val in original mode.
921 2006-04-27 Eric Christopher <echristo@apple.com>
923 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
925 * config/darwin-c.c (darwin_ms_struct): New.
926 (darwin_pragma_ms_struct): Ditto.
927 (darwin_set_default_type_attributes): Ditto.
928 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
929 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
930 Register ms_struct pragma.
931 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
932 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
933 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
934 darwin_set_default_type_attributes if TARGET_MACHO.
936 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
938 PR tree-optimization/26854
939 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
940 * doc/tree-ssa.texi: Update immuse iterator documentation.
941 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
942 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
943 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
944 first_safe_imm_use, next_safe_imm_use): Remove.
945 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
946 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
947 (move_use_after_head): New. Helper function to sort immuses in a stmt.
948 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
949 (first_imm_use_stmt): New. Get first stmt in an immuse list.
950 (next_imm_use_stmt): New. Get next stmt in an immuse list.
951 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
952 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
953 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
954 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
955 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
956 (perfect_nestify): Use new iterator.
957 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
959 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
960 (next_imm_name): New field in struct immediate_use_iterator_d.
961 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
962 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
963 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
964 * tree-cfg.c (replace_uses_by): Use new iterator.
965 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
966 * tree-ssa-operands.c (correct_use_link): Remove.
967 (finalize_ssa_use_ops): No longer call correct_use_link.
969 2006-04-27 Stuart Hastings <stuart@apple.com>
971 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
972 * config/t-darwin (crt3.o): Use it.
973 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
974 'pmode', use Pmode instead of SImode for SYMBOL_REF.
975 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
976 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
977 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
980 2006-04-27 Roger Sayle <roger@eyesopen.com>
982 * expmed.c (store_fixed_bit_field): If we're not optimizing for
983 size, force the intermediate into a new pseudo rather instead of
984 performing both a bitwise AND and a bitwise IOR in memory.
986 2006-04-27 Richard Guenther <rguenther@suse.de>
988 PR rtl-optimization/26685
989 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
990 this one "max-flow-memory-locations".
992 2006-04-27 Richard Guenther <rguenther@suse.de>
994 PR tree-optimization/25148
995 * tree-vrp.c (compare_values): Remove code dealing with
996 comparisons against type min/max value. Honour overflow
997 and negative constants in code dealing with comparisons
998 of plus and minus expressions.
999 (value_inside_range): Use fold_binary with LE_EXPR and
1000 GE_EXPR rather than compare_values.
1002 2006-04-27 Dirk Mueller <dmueller@suse.de>
1004 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1007 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1009 * basic-block.h (safe_insert_insn_on_edge): Removed.
1010 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1012 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1013 Paolo Bonzini <bonzini@gnu.org>
1016 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1017 (simplify_and_const_int): Same.
1019 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1021 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1023 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1026 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1027 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1028 cgraph_global_info_ready.
1031 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1034 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1035 either decl or init is error_mark_node.
1038 * tree-flow.h (struct omp_region): Add sched_kind.
1039 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1040 instead of extracting omp for data.
1041 (expand_omp_for): Save extracted sched_kind.
1043 2006-04-25 Roger Sayle <roger@eyesopen.com>
1045 * expmed.c (store_bit_field): Also check whether the bitsize is
1046 valid for the machine's "insv" instruction before moving the
1047 target into a pseudo for use with the insv.
1048 * config/i386/predicates.md (const8_operand): New predicate.
1049 * config/i386/i386.md (extv, extzv, insv): Use the new
1050 const8_operand predicate where appropriate.
1052 2006-04-25 DJ Delorie <dj@redhat.com>
1054 * doc/install.texi (Specific): Clarify that this is not a list of
1055 supported hosts or targets.
1057 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1059 PR rtl-optimization/26725
1060 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1061 block's BB_DIRTY flag.
1063 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1065 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1068 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1069 to print an integer.
1071 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1073 * varasm.c (align_variable): New function.
1074 (get_block_for_decl): Apply align_variable to DECL before
1075 calculating section information.
1076 (assemble_variable): Split out alignment computation.
1078 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1080 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1083 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1085 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1086 MODE_PARTIAL_INT mode.
1087 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1088 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1090 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1091 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1093 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1095 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1097 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1098 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1099 MACFLAG_IH): Likewise.
1100 (movstricthi_1): Renamed from "*movstricthi".
1101 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1102 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1103 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1104 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1105 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1106 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1107 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1108 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1109 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1110 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1111 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1112 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1113 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1114 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1115 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1117 * doc/rtl.texi (ss_ashift): Improve wording.
1119 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1121 * dwarf2out.c (verify_marks_clear): New.
1122 (prune_unused_types): Call verify_marks_clear initially, not
1125 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1127 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1128 * doc/rtl.texi: Document them.
1129 * simplify-rtx.c (simplify_unary_operation,
1130 simplify_binary_operation_1): Don't abort when we see them.
1132 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1135 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1136 * configure.ac: Completely disregard languages that are not
1138 * configure: Regenerated.
1140 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1141 Richard Guenther <rguenther@suse.de>
1143 PR tree-optimization/27236
1144 * tree-inline.c (copy_body_r): Make sure to copy
1145 TREE_THIS_VOLATILE flag.
1147 2006-04-24 Richard Guenther <rguenther@suse.de>
1150 * tree-complex.c (update_parameter_components): Don't handle
1151 unused parameters which have no default def.
1153 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1154 Richard Guenther <rguenther@suse.de>
1156 PR tree-optimization/27218
1157 * tree-inline.c (expand_call_inline): Strip useless type
1158 conversions for the return slot address.
1160 2006-04-24 Richard Guenther <rguenther@suse.de>
1162 * cfgloop.h (struct loops): Remove unused field array. Reorder
1164 (LOOP_PREFETCH): Remove.
1166 2006-04-24 Richard Guenther <rguenther@suse.de>
1168 PR tree-optimization/22525
1169 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1170 variable, adjust types of generated expressions.
1172 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1174 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1175 (tree-vect-patterns.o): Likewise.
1177 (cselib.o): Likewise.
1178 (loop-doloop.o): Likewise.
1179 (regclass.o): Likewise.
1180 (reload1.o): Likewise.
1181 (explow.o): Replace target.h with $(TARGET_H).
1182 (ipa-prop.o): Likewise.
1183 (ipa-cp.o): Likewise.
1184 (ipa-inline.o): Likewise.
1185 (reorg.o): Likewise.
1186 (reg-stack.o): Likewise.
1188 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1190 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1192 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1194 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1196 * configure.ac: Completely disregard languages that are not
1198 * configure: Regenerated.
1201 * c-common.h (c_build_bitfield_integer_type): Declare.
1202 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1203 * c-common.c (c_build_bitfield_integer_type): ... here.
1205 2006-04-23 Roger Sayle <roger@eyesopen.com>
1208 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1209 a SImode SUBREG of a floating point register after no_new_pseudos.
1211 2006-04-23 Roger Sayle <roger@eyesopen.com>
1213 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1214 identify potentially eliminable registers to additionally catch
1215 VIRTUAL_INCOMING_ARGS_REGNUM.
1216 (addsi3): Update the conditions on when to use addsi_small_int.
1218 2006-04-23 Roger Sayle <roger@eyesopen.com>
1221 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1222 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1223 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1225 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1227 * fold-const.c (range_predecessor): Use operand_equal_p
1228 as the predicate for equality.
1229 (range_successor): Likewise.
1231 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1234 * config/soft-fp/op-common.h: Fix a typo.
1236 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1239 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1240 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1242 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1244 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1246 * doc/tm.texi: Fix a typo.
1248 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1250 * dwarf2out.c (struct die_struct): Document that die_sib makes
1251 a circular linked list.
1252 (FOR_EACH_CHILD): New.
1253 (reverse_die_lists): Delete.
1254 (reverse_all_dies): Delete.
1255 (add_dwarf_attr): Correct documentation.
1256 (remove_child_with_prev): New.
1257 (remove_child_TAG): Update for change to die_struct, use
1258 remove_child_with_prev.
1259 (add_child_die): Update for change to die_struct.
1260 (splice_child_die): Use remove_child_with_prev and add_child_die.
1261 (print_die): Use FOR_EACH_CHILD.
1262 (die_checksum): Likewise.
1263 (assign_symbol_names): Likewise.
1264 (output_location_lists): Likewise.
1265 (build_abbrev_table): Likewise.
1266 (calc_die_sizes): Likewise.
1267 (mark_dies): Likewise.
1268 (unmark_dies): Likewise.
1269 (unmark_all_dies): Likewise.
1270 (output_die): Likewise.
1271 (prune_unused_types_mark): Likewise.
1272 (prune_unused_types_walk): Likewise.
1273 (same_die_p): Update for change to die_struct.
1274 (break_out_includes): Likewise.
1275 (prune_unused_types_prune): Likewise.
1276 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1277 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1279 (dwarf2out_finish): Don't call reverse_all_dies.
1281 2006-04-21 Eric Christopher <echristo@apple.com>
1283 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1284 in comments and function names.
1286 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1289 * c-typeck.c (digest_init): Robustify.
1291 * c-typeck.c (pop_init_level): Simplify.
1293 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1295 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1297 2006-04-21 Paul Brook <paul@codesourcery.com>
1299 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1300 hardware floating point.
1302 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1304 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1307 2006-04-21 Nick Clifton <nickc@redhat.com>
1309 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1312 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1315 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1316 C++ lang type in traceback table for Objective-C++.
1318 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1320 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1322 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1324 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1327 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1328 were errors. Remove check for erroneous objects.
1330 2006-04-20 Jeff Law <law@redhat.com>
1332 PR tree-optimization/26854
1333 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1334 checking for zero or one use.
1335 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1336 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1337 * tree-ssa-reassoc.c (negate_value): Similarly.
1338 (reassociate_bb): Similarly.
1340 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1342 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1343 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1344 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1346 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1348 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1349 fp regs if the last fp arg doesn't fit in regs.
1351 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1354 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1355 that the last insn has the REG_INC note.
1357 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1358 Nathan Sidwell <nathan@codesourcery.com>
1361 * stor-layout.c (update_alignment_for_field): Do not align
1363 (place_union_field): Place union field at the start of the union.
1364 (place_field): Move ERROR_MARK check later, and use the current
1365 allocation position to maintain monotonicity.
1367 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1369 * dominance.c: Include timevar.h.
1370 (calculate_dominance_info): Use TV_DOMINANCE.
1371 * timevar.def (TV_DOMINANCE): New timevar.
1372 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1374 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1376 PR rtl-optimization/14261
1377 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1378 move would be an INSV insn.
1379 (noce_process_if_block): Don't optimize if the destination is a
1380 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1382 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1384 * config/s390/s390.md: Add comments with the instructions emitted
1385 by an insn pattern if macros are used.
1387 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1389 PR rtl-optimization/26026
1390 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1391 is a known power of two shifted left a variable amount.
1393 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1395 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1396 to hash table twice when the debug_str section has SECTION_MERGE.
1398 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1400 * config/soft-fp: New directory. From glibc.
1401 * config/soft-fp/t-softfp: New.
1402 * config/soft-fp/README: New.
1403 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1404 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1405 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1406 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1407 * config.gcc: Use rs6000/t-fprules-fpbit or
1408 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1410 * config/rs6000/sfp-machine.h: New. Based on glibc.
1411 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1413 * config/rs6000/t-fprules: Remove fp-bit rules.
1414 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1415 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1416 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1417 (softfp_wrap_start, softfp_wrap_end): New.
1419 2006-04-18 DJ Delorie <dj@redhat.com>
1421 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1423 2006-04-18 Devang Patel <dpatel@apple.com>
1425 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1427 2006-04-18 Nick Clifton <nickc@redhat.com>
1429 * config/sh/t-symbian: Add rule to build sh-c.o
1430 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1431 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1432 (sh_symbian_encode_section_info): Likewise.
1434 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1436 * builtins.c (expand_builtin_strcmp): Cover label definition of
1437 do_libcall with HAVE_cmpstrnsi.
1439 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1441 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1443 * function.h (temp_slot_p): New.
1444 (function): Change the type of x_used_temp_slots to
1445 VEC(temp_slot_p,gc) *.
1447 2006-04-18 Nick Clifton <nickc@redhat.com>
1449 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1450 flag_strength_reduce.
1452 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1454 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1458 Partial revert of revision 112637
1459 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1460 Dale Johannesen <dalej@apple.com>
1463 * regclass.c (struct reg_pref): Update documentation.
1464 (regclass): Set prefclass to NO_REGS if memory is the best option.
1465 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1467 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1469 PR tree-optimization/26821
1470 * tree-ssa-math-opts.c (get_constant_one): New.
1471 (insert_reciprocals): Use it.
1473 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1475 * dwarf2out.c (free_AT): Delete.
1476 (remove_AT): Update string ref counts.
1477 (remove_child_TAG): Don't call free_die.
1479 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1480 or DW_TAG_GNU_EINCL.
1481 (prune_unused_types_walk_attribs): Reset string refcounts.
1482 (prune_unused_types_update_strings): New.
1483 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1484 call free_die. Do call prune_unused_types_update_strings.
1485 (prune_unused_types): Empty debug_str_hash.
1487 2006-04-17 Roger Sayle <roger@eyesopen.com>
1489 * expr.c (expand_assignment): Optimize away no-op moves where the
1490 source and destination are equal and have no side-effects.
1492 2006-04-17 Richard Guenther <rguenther@suse.de>
1495 * reload.c (push_reload): Guard calls to get_secondary_mem
1498 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1500 * alias.c (reg_base_value, old_reg_base_value): Change the
1501 type to VEC(rtx,gc) *.
1502 (REG_BASE_VALUE, find_base_value, record_set,
1503 init_alias_analysis): Use VEC instead of VARRAY.
1505 * alias.c (alias_sets): Change the type to
1506 VEC(alias_set_entry,gc) *.
1507 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1508 VEC instead of VARRAY.
1509 (last_alias_set): Remove.
1511 * cgraph.h (cgraph_edge_p): New.
1512 Update the prototype of cgraph_function_versioning.
1513 * cgraphunit.c (cgraph_copy_node_for_versioning,
1514 cgraph_function_versioning): Use VEC instead of VARRAY.
1515 * ipa-cp.c (ipcp_insert_stage): Likewise.
1517 2006-04-16 Roger Sayle <roger@eyesopen.com>
1520 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1521 "A op B" or "A op C", we may need to convert A to the type of B and C.
1523 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1525 * target.h (struct gcc_target): Add mode_rep_extended.
1526 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1527 (init_num_sign_bit_copies_in_rep): Initialize it using
1529 (truncate_to_mode): Use it.
1530 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1531 * targhooks.h (default_mode_rep_extended): Declare it.
1532 * targhooks.c (default_mode_rep_extended): Define it.
1533 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1534 default_mode_rep_extended.
1535 (TARGET_INITIALIZER): Include it.
1536 * doc/tm.texi (Misc): Document it.
1537 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1538 (mips_truncated_to_mode): New function.
1540 2006-04-16 Roger Sayle <roger@eyesopen.com>
1543 * expr.c (compress_float_constant): Copy the narrow constant into
1544 a new pseudo before extending it to its final width.
1546 2006-04-16 Roger Sayle <roger@eyesopen.com>
1547 Andrew Pinski <pinskia@gcc.gnu.org>
1548 Dale Johannesen <dalej@apple.com>
1551 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
1552 special case code to implement V8HImode and V16QImode with SSE2.
1554 2006-04-15 Roger Sayle <roger@eyesopen.com>
1556 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
1557 trees are constructed with a suitable tree type.
1559 2006-04-15 Roger Sayle <roger@eyesopen.com>
1561 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
1562 (integer_onep): Likewise.
1563 (integer_all_onesp): Likewise.
1564 (integer_pow2p): Likewise.
1565 (integer_nonzerop): Likewise.
1566 (real_zerop): Likewise.
1567 (real_onep): Likewise.
1568 (real_twop): Likewise.
1569 (real_minus_onep): Likewise.
1570 (int_size_in_bytes): Likewise.
1571 (host_integerp): Likewise.
1573 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
1575 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
1576 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
1577 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
1579 * tree-ssa-structalias.h (alias_info): Remove num_references.
1581 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1583 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
1584 (output_bvb patterns): Likewise.
1585 * pa.c (output_bb): Use 'bb' insn for long branch case.
1586 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
1587 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
1588 1. Correct length operand for alternatives 1 and 2.
1589 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
1590 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
1592 2006-04-14 Roger Sayle <roger@eyesopen.com>
1594 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
1595 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
1596 were accidentally reverted by r112959.
1598 2006-04-15 Jakub Jelinek <jakub@redhat.com>
1601 * except.h (eh_region_outermost): New prototype.
1602 * except.c (eh_region_outermost): New function.
1603 * tree-cfg.c (find_outermost_region_in_block): Use it.
1605 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1607 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
1609 * reload1.c (reg_equiv_memory_loc_varray): Rename to
1610 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
1611 (init_reload, reload): Use VEC instead of VARRAY.
1612 * reload.h: Update the prototype for
1613 reg_equiv_memory_loc_varray.
1615 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
1616 Eric Botcazou <ebotcazou@libertysurf.fr>
1618 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
1621 2005-04-13 Uros Bizjak <uros@kss-loka.si>
1624 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
1625 to expand fallback builtin function call.
1627 2006-04-14 Alan Modra <amodra@bigpond.net.au>
1630 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
1631 and emit libcall here in case the builtin fails.
1632 (expand_builtin_strcmp): Always emit the libcall here on failure.
1634 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
1636 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
1637 * flow.c (reg_n_info): Change the type to
1638 VEC(reg_info_p,heap) *.
1639 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
1641 * regs.h (reg_info_p): New.
1642 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
1643 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
1644 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
1647 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
1649 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
1651 * params.h (MAX_SCHED_READY_INSNS): New macro.
1652 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
1653 past MAX_SCHED_READY_INSNS during the first scheduling pass.
1654 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
1655 the ready list for 1 cycle during the first scheduling pass.
1656 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
1658 2006-04-13 Richard Henderson <rth@redhat.com>
1661 * gimple-low.c (lower_omp_directive): Remove dead code.
1662 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
1663 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
1664 * omp-low.c (struct omp_region): Move to tree-flow.h.
1665 (root_omp_region): Export.
1666 (omp_regions, lookup_omp_region): Remove.
1667 (determine_parallel_type): Update for struct omp_region changes.
1668 (dump_omp_region): Dump regions with block numbers.
1669 (new_omp_region): Take type and block instead of stmt; malloc
1671 (free_omp_region_1, free_omp_regions): New.
1672 (expand_parallel_call): Take entry_stmt as argument; update for
1673 changes to omp_region.
1674 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1675 (remove_exit_barriers): New.
1676 (expand_omp_parallel): Update for struct omp_region changes.
1677 (expand_omp_synch): Likewise.
1678 (expand_omp): Likewise.
1679 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1680 (expand_omp_for_static_chunk): Likewise.
1681 (expand_omp_for): Likewise.
1682 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1683 (expand_omp_sections): Similarly, with GOMP_sections_end.
1684 (expand_omp_single): New.
1685 (build_omp_regions_1): Update for OMP_CONTINUE.
1686 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1687 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1688 OMP_SECTIONS_SECTIONS.
1689 (lower_omp_single_simple): Don't emit barrier here.
1690 (lower_omp_single_copy): Likewise.
1691 (lower_omp_single): Fix bindings, and lower to straightline now.
1692 (lower_omp_master, lower_omp_ordered): Likewise.
1693 (lower_omp_critical): Likewise.
1694 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1695 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1696 omp edges, free it afterward.
1697 (make_omp_sections_edges): Remove.
1698 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1699 (move_stmt_r): Handle OMP_CONTINUE.
1700 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1701 statement pointers to basic blocks. Add type member.
1702 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1703 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1704 * tree-inline.c (estimate_num_insns_1): Likewise.
1705 * tree-pretty-print.c (dump_generic_node): Likewise.
1706 * tree-ssa-operands.c (get_expr_operands): Likewise.
1707 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1708 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1709 (OMP_CONTINUE): New.
1710 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1711 (OMP_SECTIONS_SECTIONS): Remove.
1712 (OMP_SECTION_LAST): New.
1713 (OMP_RETURN_NOWAIT): New.
1715 2006-04-13 Roger Sayle <roger@eyesopen.com>
1717 * fold-const.c (native_encode_vector, native_interpret_real):
1718 Correct obvious mistakes in the previous check-in.
1720 2006-04-13 Roger Sayle <roger@eyesopen.com>
1722 * fold-const.c (native_encode_expr): New function to encode
1723 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1724 or VECTOR_CST into a specified buffer.
1725 (native_encode_int): New function.
1726 (native_encode_real): New function.
1727 (native_encode_complex): New function.
1728 (native_encode_vector): New function.
1729 (native_interpret_expr): Inverse of native_encode_expr to convert
1730 a target representation into an INTEGER_CST, REAL_CST etc...
1731 (native_interpret_int): New function.
1732 (native_interpret_real): New function.
1733 (native_interpret_complex): New function.
1734 (native_interpret_vector): New function.
1735 (fold_view_convert_expr): New function to constant fold/evaluate
1736 a VIEW_CONVERT_EXPR of a suitable constant expression.
1737 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1738 Change call of build1 to fold_build1 when constructing a
1741 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1742 Ulrich Weigand <uweigand@de.ibm.com>
1745 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1748 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1751 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1752 optimize to lo_sum for DFmode if !TARGET_FPRS.
1754 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1756 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1757 delete_alias_info, compute_flow_sensitive_aliasing,
1758 group_aliases): Use VEC instead of VARRAY.
1759 * tree-ssa-structalias.c (update_alias_info): Likewise.
1760 * tree-ssa-structalias.h (alias_info): Change the type of
1761 processed_ptrs to VEC(tree,heap) *.
1763 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1766 * config/sh/lib1funcs.h: New file, broken out of:
1767 * config/sh/lib1funcs.asm.
1768 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1770 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1771 * config/sh/lib1funcs-Os-4-200.asm: New file.
1772 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1773 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1774 (EXTRA_MULTILIB_PARTS): Include it.
1775 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1776 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1777 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1778 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1781 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1783 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1784 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1785 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1787 * tree-ssa-live.h: Include vecprim.h.
1788 (tree_partition_associator_d): Change the type of
1789 first_partition to VEC(int,heap) *.
1790 (tpa_first_partition): Use VEC instead of VARRAY.
1792 * Makefile.in (GTFILES): Move functions.h after tree.h.
1793 * function.c (reset_block_changes, record_block_change,
1794 check_block_change, free_block_changes): Use VEC instead of
1796 * function.h (function): Change the type of
1797 ib_boundaries_block to VEC(tree,gc) *.
1798 * tree-inline.c (copy_cfg_body): Initialize
1799 ib_boundaries_block to NULL instead of (varray_type) 0.
1801 2006-04-12 Roger Sayle <roger@eyesopen.com>
1803 * expr.c (emit_group_store): Correct operand order in call to
1804 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1805 a SUBREG_BYTE of zero.
1807 2006-04-12 Richard Guenther <rguenther@suse.de>
1809 * profile.c (compute_branch_probabilities): Remove code
1810 encapsulated in !ir_type (), which are remanents of the
1811 removed RTL profiling code.
1812 * rtl-profile.c: Remove.
1814 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1816 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1817 magic NULL_RTX comment.
1818 (function_arg): Store entire fp arg to mem if any part should go
1820 (rs6000_arg_partial_bytes): Adjust for above change.
1822 2006-04-11 Roger Sayle <roger@eyesopen.com>
1824 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1825 if it hasn't been initialized by dwarf2out_init.
1827 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1829 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1830 symbolic constants in branch patterns.
1832 2006-04-11 Roger Sayle <roger@eyesopen.com>
1834 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1836 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1838 PR rtl-optimization/27073
1839 * gcse.c (try_replace_reg): Revert last change. Continue to search
1840 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1843 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1845 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1846 aggregate types other than record and union types.
1847 (function_arg): Likewise.
1848 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1850 (function_value): In 64-bit mode, return objects that require it
1853 2006-04-11 Roger Sayle <roger@eyesopen.com>
1855 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1857 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1859 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1861 2006-04-03 Jeff Law <law@redhat.com>
1864 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1865 alias information too.
1867 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1869 * Makefile.in (gcc-cross): Add $(exeext) to target name.
1871 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1874 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1875 (premark_used_types_helper): New.
1876 (premark_used_types): New.
1877 (gen_subprogram_die): Call premark_used_types.
1878 (prune_unused_types_walk): Do not prune perennial dies.
1879 * function.c (used_types_insert): New.
1880 * function.h (struct function): Add used_types_hash field.
1881 (used_types_insert): Add prototype.
1882 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1883 * c-parser.c (c_parser_cast_expression): Save casted types in used
1886 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1889 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1890 rs6000_explicit_options.float_gprs.
1892 2006-04-10 Roger Sayle <roger@eyesopen.com>
1894 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1895 from ix86_expand_vector_init_low_nonzero. Take an additional
1896 one_var argument indicating which element is non-zero. Support
1897 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1898 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1899 with one_var instead of ix86_expand_vector_init_low_nonzero.
1901 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1903 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1904 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1905 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1906 build/genextract.o): Depend on vecprim.h.
1907 * cfglayout.c, df-problems.c, function.c, genextract.c,
1908 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1909 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1913 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1915 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1916 Declare VECs of this type.
1917 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1918 (remove_children): Delete.
1919 (add_dwarf_attr): Use VEC routines.
1920 (add_AT_flag): Update for changes to add_dwarf_attr.
1921 (add_AT_int): Likewise.
1922 (add_AT_unsigned): Likewise.
1923 (add_AT_long_long): Likewise.
1924 (add_AT_vec): Likewise.
1925 (add_AT_string): Likewise.
1926 (add_AT_die_ref): Likewise.
1927 (add_AT_fde_ref): Likewise.
1928 (add_AT_loc): Likewise.
1929 (add_AT_loc_list): Likewise.
1930 (add_AT_addr): Likewise.
1931 (add_AT_lbl_id): Likewise.
1932 (add_AT_lineptr): Likewise.
1933 (add_AT_macptr): Likewise.
1934 (add_AT_offset): Likewise.
1935 (add_AT_range_list): Likewise.
1936 (get_AT): Use VEC_iterate.
1937 (remove_AT): Use VEC_ordered_remove.
1938 (free_die): Fold remove_children into here; have it use VEC_iterate.
1939 (print_die): Use VEC_iterate on attrs.
1940 (reverse_die_lists): Don't reverse attr lists.
1941 (die_checksum): Use VEC_iterate on attrs.
1942 (same_die_p): Likewise.
1943 (output_location_lists): Likewise.
1944 (build_abbrev_table): Likewise.
1945 (size_of_die): Likewise.
1946 (unmark_all_dies): Likewise.
1947 (output_abbrev_section): Likewise.
1948 (output_die): Likewise.
1949 (prune_unused_types_walk_attribs): Likewise.
1951 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1953 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1955 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1958 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1960 2006-04-09 Roger Sayle <roger@eyesopen.com>
1962 * expr.c (store_constructor): Don't bother clearing target if
1963 we're about to assign a vector to it using vec_init_optab.
1965 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1967 * tree-ssa-alias.c (lhs_may_store_to): New function.
1968 (recalculate_used_alone): Handle LHS of calls.
1970 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1974 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1975 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1976 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1977 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1978 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1979 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1980 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1981 stubs. Add ".align 8" directives before all ".dword" directives.
1982 (GTHREAD_USE_WEAK): Revise comment.
1983 (TARGET_ATTRIBUTE_WEAK): Define.
1984 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1985 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1986 * stublib.c: New file.
1991 * pa.md (cbranch patterns): Revise arguments used in calls to
1992 output_cbranch, output_bb and output_bvd. Add long branch length
1994 (fbranch patterns): Handle long branches.
1995 (jump): Revise length check. Revise arguments for output_lbranch call.
1996 Add long branch length attributes.
1997 (decrement_and_branch_until_zero): Add long branch length attributes.
1998 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1999 Likewise. Revise arguments for output_parallel_addb and
2000 output_parallel_movb calls.
2001 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2002 output_parallel_movb and output_parallel_addb): Update prototypes.
2003 * pa.c (output_cbranch): Revise arguments. Correct handling of
2004 nullification in long branches.
2005 (output_lbranch): Add new argument to control extraction of delay
2007 (output_bb): Handle long branches.
2008 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2009 output_parallel_addb): Likewise.
2011 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2013 PR rtl-optimization/27073
2014 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2017 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2019 * tree.h (tree_memory_tag): Add old_used_alone.
2020 (SMT_OLD_USED_ALONE): New macro.
2021 * tree-ssa-alias.c (recalculate_used_alone): Stop
2022 marking things for renaming unnecessarily.
2024 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2026 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2027 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2028 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2029 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2030 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2031 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2032 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2033 spelling convensions.
2034 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2035 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2036 typos. Follow spelling conventions.
2038 2006-04-07 DJ Delorie <dj@redhat.com>
2040 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2041 passed on the stack.
2042 (m32c_init_cumulative_args): When a function returns a structure,
2043 always pass the pointer to that return area on the stack.
2044 (m32c_function_arg_advance): Don't increment the parameter number
2045 if we're processing the returned structure pointer.
2046 (pushm_info): Reverse order of registers.
2048 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2050 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2051 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2052 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2053 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2055 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2056 chrec_fold_multiply): Same.
2057 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2058 force_expr_to_var_cost): Same.
2059 * tree-mudflap.c (mf_xform_derefs_1): Same.
2060 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2062 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2064 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2065 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2068 2006-04-07 Jan Hubicka <jh@suse.cz>
2070 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2072 2006-04-07 Richard Guenther <rguenther@suse.de>
2074 PR tree-optimization/26135
2075 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2076 loads for store copy-prop.
2077 (copy_prop_visit_stmt): Likewise.
2079 2006-04-05 Robert Millan <robertmh@gnu.org>
2081 * config/i386/linux.h: Add a comment to mark macros that are
2082 being overriden in config/k*bsd-gnu.h.
2083 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2085 * config/knetbsd-gnu.h: Ditto.
2087 2006-04-06 Jan Hubicka <jh@suse.cz>
2091 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2094 2006-04-06 Mike Stump <mrs@apple.com>
2096 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2097 for HAVE_nonlocal_goto to be consistent.
2098 (expand_builtin_nonlocal_goto): Likewise.
2099 (expand_builtin_strcmp): Use #ifdef instead of #if
2100 for HAVE_cmpstrnsi to be consistent.
2102 2006-04-05 DJ Delorie <dj@redhat.com>
2104 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2107 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2109 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2110 got-relative addressing for anything but SImode.
2112 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2113 even if the calling function doesn't modify them.
2115 2006-04-05 Richard Guenther <rguenther@suse.de>
2117 PR tree-optimization/26919
2118 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2119 to cgraph_estimate_size_after_inlining.
2121 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2123 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2125 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2127 PR tree-optimization/26996
2128 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2129 VECTOR_TYPE variables.
2131 2006-04-05 Richard Guenther <rguenther@suse.de>
2133 PR tree-optimization/26763
2134 * fold-const.c (fold_comparison): Move folding of
2135 PTR + CST CMP PTR + CST ...
2136 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2138 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2140 * doc/install.texi (Prerequisites): Refine some wording on
2141 bootstrapping and ksh.
2142 Move the version numbers of DejaGnu here from the testing section
2143 and fix casing of names.
2144 Fix markup and clarify wording for autogen requirements.
2145 Refer to GCJ instead of just java.
2146 Refer to SVN instead of CVS.
2147 Describe diffutils as useful instead of necessary.
2148 (Downloading the source): Refer to SVN instead of CVS.
2149 Adjust a link to our web site accordingly.
2150 (Configuration): Fix casing of Bison.
2151 (Building): Refer to SVN instead of CVS.
2152 Fix a sentence on the use of Bison and remove duplicate (and
2153 incorrect) version number of Bison requirement.
2154 Remove one redundant list of packages needed for building.
2155 (Specific): Avoid reference to CVS.
2157 2006-04-04 Eric Christopher <echristo@apple.com>
2159 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2160 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2161 (rs6000_handle_struct_attribute): New.
2162 (rs6000_ms_bitfield_layout_p): Ditto.
2164 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2166 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2167 NULL for dso parameter to atexit_common.
2169 2006-04-04 Eric Christopher <echristo@apple.com>
2171 * config/i386/i386.c (machopic_output_stub): Output \t
2172 between instructions and operands.
2174 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2176 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2177 satisfies_constraint_[IL] to explicit tests on value.
2179 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2181 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2182 set_nb_iterations_in_loop): Use build_int_cst instead of
2184 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2185 build_int_cst instead of convert.
2187 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2189 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2190 new value 2 for incoming.
2191 * function.c (expand_function_start): Call struct_value_rtx
2193 * config/sparc/sparc.md: Comment updated_return.
2194 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2195 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2196 struct return if sparc_std_struct_return and incoming is 2.
2197 (print_operand): Do not adjust return if
2198 sparc_std_struct_return.
2200 2006-04-04 Roger Sayle <roger@eyesopen.com>
2202 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2203 convert in the middle-end.
2204 * expr.c (store_expr, store_constructor, get_inner_reference,
2205 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2207 * tree.c (build_range_type): Likewise.
2209 2006-04-04 Tom Tromey <tromey@redhat.com>
2211 * doc/install.texi (Prerequisites): Mention jar.
2213 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2215 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2218 2006-04-04 Matthias Klose <doko@debian.org>
2220 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2221 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2224 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2226 * doc/extend.texi (Function Attributes): Rewrite visibility
2227 attribute documentation.
2228 * doc/invoke.texi (C++ Dialect Options): Rewrite
2229 -fvisibility-inlines-hidden documentation to describe something
2230 entirely different, although in practise compatible.
2231 (Code Gen Options): Warn about system headers in -fvisibiltity=
2234 * doc/extend.texi (Other Builtins): Document that
2235 __builtin_nan is a compile-time constant only when its argument
2238 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2240 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2241 trying to remove TRUNCATE check if all bits outside the new mode
2242 are identical to the sign bit.
2244 2006-04-03 Jeff Law <law@redhat.com>
2246 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2247 and operand scanning in some common cases.
2249 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2250 Dale Johannesen <dalej@apple.com>
2253 * regclass.c (struct reg_pref): Update documentation.
2254 (regclass): Set prefclass to NO_REGS if memory is the best option.
2255 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2256 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2257 into account. For non-registers, equate an empty preferred
2258 reload class to a `!' in the constraint; move the if clause to
2259 do so after those that reject the insn.
2260 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2262 (find_dummy_reload): Likewise.
2263 * doc/tm.texi (Register Classes): Document what it means
2264 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2265 * config/i386/i386.c (ix86_preferred_reload_class): Force
2266 using SSE registers (and return NO_REGS for floating-point
2267 constants) if math is done with SSE.
2268 (ix86_preferred_output_reload_class): New.
2269 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2270 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2271 * config/i386/i386.md: Remove # register preferences.
2273 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2276 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2277 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2278 the type of nb_iter.
2279 (instantiate_parameters_1): Convert the operands before calling
2280 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2281 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2283 2006-04-02 Roger Sayle <roger@eyesopen.com>
2285 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2286 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2288 * dojump.c (do_jump): Likewise.
2289 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2290 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2291 gimplify_boolean_expr): Likewise.
2292 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2293 * varasm.c (array_size_for_constructor): Likewise.
2294 * tree-object-size.c (compute_object_offset): Likewise.
2296 2006-04-02 Roger Sayle <roger@eyesopen.com>
2299 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2300 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2302 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2304 PR tree-optimization/26939
2305 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2307 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2309 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2310 at_stmt. Convert the type of operands before calling
2311 build_polynomial_chrec.
2312 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2314 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2315 (instantiate_parameters_1): Convert the type of operands before calling
2316 build_polynomial_chrec.
2317 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2318 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2319 reset_evolution_in_loop): Insert asserts to check the types of the
2321 (chrec_type): Moved...
2322 (eq_evolutions_p): Use operand_equal_p.
2323 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2324 the types of the operands.
2325 (chrec_type): ...here.
2326 * tree-data-ref.c (create_data_ref): Convert the operands before
2327 calling chrec_replace_initial_condition.
2328 (same_access_functions, analyze_subscript_affine_affine,
2329 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2330 (compute_subscript_distance, analyze_ziv_subscript,
2331 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2332 analyze_miv_subscript): Convert the operands before calling
2333 chrec_fold_minus or chrec_fold_plus.
2335 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2337 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2338 the dependence_relations vector.
2339 (compute_data_dependences_for_loop): Adjust call to
2340 compute_all_dependences.
2342 2006-04-01 Roger Sayle <roger@eyesopen.com>
2343 Richard Henderson <rth@redhat.com>
2345 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2346 gimple_boolify on the condition before calling gimplify_expr.
2348 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2350 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2351 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2352 the frame size. Update to use the new macros.
2353 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2354 * config/xtensa/ieee754-df.S: Likewise.
2356 2006-03-31 Richard Henderson <rth@redhat.com>
2358 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2359 (make_edges): ... here. Control fallthru creation with a local
2360 variable. Do not play with fake edges.
2361 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2362 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2365 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2367 * dwarf2.h (DW64_CIE_ID): Define.
2368 * dwarf2out.c (DWARF_CIE_ID): Define.
2369 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2370 length header. Use DWARF_CIE_ID.
2371 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2372 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2374 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2376 * config/sh/linux-atomic.asm: New file.
2377 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2379 2006-03-31 DJ Delorie <dj@redhat.com>
2381 * config/m32c/cond.md: Set condition flags properly throughout.
2382 * config/m32c/minmax.md: Likewise.
2383 * config/m32c/prologue.md: Likewise.
2384 * config/m32c/bitops.md: Likewise.
2385 * config/m32c/muldiv.md: Likewise.
2386 * config/m32c/mov.md: Likewise.
2387 * config/m32c/addsub.md: Likewise.
2388 * config/m32c/m32c.md: Likewise.
2389 * config/m32c/jump.md: Likewise.
2390 * config/m32c/shift.md: Likewise.
2392 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2393 conditionally output the pattern for this.
2394 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2395 (m32c_compare_redundant): New.
2396 (m32c_output_compare): New.
2397 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2399 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2400 dest, not src. Allow other 4-byte modes.
2402 2006-03-30 Denis Chertykov <denisc@overta.ru>
2404 * doc/md.texi: Refer to avr/constraints.md instead of
2407 2006-03-30 Roger Sayle <roger@eyesopen.com>
2409 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2410 signed vs. unsigned comparison failures on some hosts.
2412 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2415 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2416 change to FLOAT_REGS.
2418 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2419 (rs6000_override_options): Use it.
2420 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2421 only for -mabi=spe/no-spe and -mabi=altivec.
2423 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2425 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2428 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2430 * Makefile.in: Rename docdir to gcc_docdir.
2432 2006-03-30 Roger Sayle <roger@eyesopen.com>
2435 * expr.c (emit_group_store): Optimize group stores into a pseudo
2436 register by using a paradoxical subreg to initialize the destination
2437 if the first or last member of the group specifies a "low part".
2439 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2442 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2443 * target.h (struct gcc_target.speculate_insn): Change type of the
2444 second parameter to 'int'.
2445 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2446 the second operand of the DEPS_LIST.
2447 (copy_DEPS_LIST_list): Update reference to the second operand of the
2449 * rtl.h (alloc_DEPS_LIST): Update signature.
2450 * sched-int.h (ds_t): Change typedef to 'int'.
2451 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2453 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2455 * haifa-sched.c (try_ready): Change condition to restore
2456 non-speculative pattern of the instruction.
2457 (process_insn_depend_be_in_spec): Code to keep probability of the
2458 speculative dependence non-decreasing.
2460 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2462 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2463 (single_move_for_movmem): ... this. Also change all uses.
2464 (bfin_expand_strmov): Renamed to...
2465 (bfin_expand_movmem): ... this. Also change all uses.
2466 * config/bfin/bfin.md (movstrsi): Renamed to...
2467 (movstrsi): ...this.
2469 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2471 PR tree-optimization/26830
2473 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2474 (copy_prop_visit_stmt): Remove write-only variable ann.
2475 (init_copy_prop): Check variable loop depth here. Do not simulate
2476 memory-tag and virtual operand PHIs except for store copy prop.
2478 2006-03-30 Richard Guenther <rguenther@suse.de>
2480 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2481 variants with double arguments.
2483 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2485 * genpreds.c (write_tm_constrs_h): Delete variable p.
2486 * genconditions.c (write_header): Add tm-constrs.h to included
2488 * genpeep.c (main): Add toplev.h to included headers.
2489 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2490 (build/genpeep.o): Add toplev.h dependency.
2491 * config/rs6000/constraints.md: Add "W" constraint.
2493 2006-03-29 Roger Sayle <roger@eyesopen.com>
2495 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2496 sizes by correctly testing whether the size fits a host integer.
2497 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2498 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2499 SImode range for the default sizetype and bitsizetype.
2501 2006-03-29 Roger Sayle <roger@eyesopen.com>
2503 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2504 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2505 quickly if the argument is already of the correct type.
2506 Call fold_build1 instead of build1. Tidy up blank lines.
2508 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2510 * genemit.c (main): Add tm-constrs.h to included headers.
2511 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2512 * genpeep.c (main): Add tm-constrs.h to included headers.
2513 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2514 (write_tm_constrs_h): this and write complete file.
2515 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2516 (write_insn_preds_c): Add tm-constrs.h to included headers.
2517 (gen_constrs): New variable.
2518 (parse_option): Parse "-c".
2519 (main): Invoke write_tm_constrs_h.
2520 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2521 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2522 (object_out_file): Add tm-constrs.h dependency.
2523 (insn-emit.o): Same.
2524 (insn-output.o): Same.
2525 (insn-peep.o): Same.
2526 (insn-preds.o): Same.
2527 (insn-recog.o): Same.
2528 (tm-constsr.h): New target.
2529 (s-constrs-h): New target.
2531 * config/rs6000/constraints.md: New file.
2532 * config/rs6000/rs6000.c: Include tm-constrs.h.
2533 (num_insn_constant_wide): Convert to satisfies_constraint.
2534 (rs6000_rtx_costs): Convert to satisfies_constraint.
2535 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2536 (CONST_OK_FOR_LETTER_P): Delete.
2537 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2538 (EXTRA_CONSTRAINT): Delete.
2539 (EXTRA_MEMORY_CONSTRAINT): Delete.
2540 (EXTRA_ADDRESS_CONSTRAINT): Delete.
2541 * config/rs6000/predicates.md: Convert to satisfies_constraint.
2542 * config/rs6000/rs6000.md: Include constraints.md. Convert to
2543 satisfies_constraint.
2545 * config/i386/i386.c: Include tm-constrs.h.
2547 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2549 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
2550 * tree-data-ref.c (find_data_references_in_loop,
2551 compute_data_dependences_for_loop): Use pointers to VEC.
2552 (analyze_all_data_dependences): Adjust calls.
2553 * tree-data-ref.h (find_data_references_in_loop,
2554 compute_data_dependences_for_loop): Adjust declarations.
2555 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
2556 compute_data_dependences_for_loop.
2558 2006-03-29 Paul Brook <paul@codesourcery.com>
2560 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
2563 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
2565 PR tree-optimization/26859
2566 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
2568 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
2569 for the step after fold_convert.
2571 2006-03-29 Paul Brook <paul@codesourcery.com>
2573 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
2574 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
2576 2006-03-29 Paul Brook <paul@codesourcery.com>
2579 * targhooks.c (default_narrow_bitfield): New fuction.
2580 * targhooks.h (default_narrow_bitfield): add prototype.
2581 * target.h (gcc_target): Add narrow_volatile_bitfield.
2582 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2583 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
2584 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
2585 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
2587 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
2589 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
2591 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
2592 (NR_C_MODES): Add TDmode, DDmode and SDmode.
2593 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
2594 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
2595 (s390_function_arg_float): Allow SDmode and DDmode values to be
2596 passed in floating point registers.
2597 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
2598 check with SCALAR_FLOAT_MODE_P.
2599 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
2601 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2603 PR tree-optimization/25985
2604 * tree-ssa-loop-niter.c (number_of_iterations_le,
2605 number_of_iterations_ne): Make comments more precise.
2606 (number_of_iterations_cond): Add only_exit argument. Use the
2607 fact that signed variables do not overflow only when only_exit
2609 (loop_only_exit_p): New.
2610 (number_of_iterations_exit): Pass result of loop_only_exit_p to
2611 number_of_iterations_cond.
2613 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
2615 PR tree-optimization/26643
2616 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
2619 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
2621 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
2622 (divsi3_i4_int): Likewise.
2624 2006-03-28 Roger Sayle <roger@eyesopen.com>
2626 * expr.c (emit_group_store): Only create a new pseudo reg if the
2627 quantity it needs to hold isn't already a suitable pseudo.
2629 2006-03-28 Jeff Law <law@redhat.com>
2631 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
2632 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
2634 2006-03-28 Roger Sayle <roger@eyesopen.com>
2636 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
2637 the equivalent ~X & Y, and the symmetry related transformations.
2638 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
2639 ~X & Y, and symmetry related transforms.
2641 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2643 Revert my 2006-03-27 patches.
2645 2006-03-28 Roger Sayle <roger@eyesopen.com>
2647 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
2648 ~(T1)X, when T1 and T2 are integer types of the same precision
2649 and (T2)X isn't an extension.
2651 2006-03-28 Jeff Law <law@redhat.com>
2653 PR tree-optimization/26796
2654 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
2655 need EH edge cleanups rather than purging them immediately.
2656 (eliminate_degenerate_phis): Handle queued EH cleanups.
2658 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
2660 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
2663 2006-03-27 Roger Sayle <roger@eyesopen.com>
2666 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
2667 cast BIT_NOT_EXPR operand to the correct type.
2669 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2671 * tree-loop-linear.c: Don't include varray.h.
2672 (gather_interchange_stats, try_interchange_loops,
2673 linear_transform_loops): Use VEC instead of VARRAY.
2674 * lambda-mat.c: Don't include varray.h.
2675 * tree-chrec.c: Same.
2676 * lambda-trans.c: Same.
2677 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2678 VEC instead of VARRAY.
2679 * tree-vectorizer.h: Idem.
2680 * tree-data-ref.c (dump_data_references,
2681 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2682 initialize_data_dependence_relation, finalize_ddr_dependent,
2683 compute_all_dependences, find_data_references_in_loop,
2684 compute_data_dependences_for_loop, analyze_all_data_dependences,
2685 free_dependence_relation, free_dependence_relations,
2686 free_data_refs): Idem.
2687 * tree-data-ref.h (data_reference_p, subscript_p): New.
2688 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2689 VEC instead of VARRAY.
2690 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2691 (find_data_references_in_loop, compute_data_dependences_for_loop,
2692 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2693 dump_data_dependence_relations, free_dependence_relations,
2694 free_data_refs): Adjust declaration.
2695 (lambda_transform_legal_p): Move declaration here...
2696 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2697 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2698 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2699 vect_analyze_data_refs): Use VEC instead of VARRAY.
2700 * lambda.h (lambda_transform_legal_p): ...from here.
2701 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2702 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2703 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2704 tree-chrec.o): Don't depend on VARRAY_H.
2706 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2708 * rtl.def (Copyright): Update date.
2709 (DEPS_LIST): Change type of the second operand to 'int'.
2710 * target.h (Copyright): Update date.
2711 (struct gcc_target.speculate_insn): Change type of the second parameter
2713 * lists.c (Copyright): Update date.
2714 (alloc_DEPS_LIST): Change signature. Update reference to the second
2715 operand of the DEPS_LIST.
2716 (copy_DEPS_LIST_list): Update reference to the second operand of the
2718 * rtl.h (Copyright): Update date.
2719 (alloc_DEPS_LIST): Update signature.
2720 * sched-int.h (Copyright): Update date.
2721 (ds_t): Change typedef to 'int'.
2722 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2724 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2726 * haifa-sched.c (Copyright): Update date.
2727 (try_ready): Change condition to restore non-speculative pattern
2729 (process_insn_depend_be_in_spec): Code to keep probability of the
2730 speculative dependence non-decreasing.
2732 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2734 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2735 shut up the compiler.
2737 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2739 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2740 to use lib prefix for target.
2741 ($(T)libic_invalidate_array_4-200.a): Likewise.
2742 ($(T)libic_invalidate_array_4a.a): Likewise.
2744 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2745 J"orn Rennecke <joern.rennecke@st.com>
2747 * superh.opt: New file.
2748 * sh.c (boardtype, osruntime): Remove.
2749 * superh.h (SUBTARGET_OPTIONS): Remove.
2750 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2752 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2753 arguments with ^ and/or [].
2755 * config.gcc (sh-*-*): Add quoting to account for quirk of
2757 Replace == with = in enable_incomplete_targets test.
2759 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2760 with MASK_LITTLE_ENDIAN.
2762 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2763 * config/sh/sh.opt: Added to some comments.
2764 * config/sh/superh.h: Removed some chaff.
2766 * config/sh/sh.opt: Add m4-[1234]00* options.
2767 * config/sh/sh.c (sh_handle_option): Likewise.
2768 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2769 (ic_invalidate_array_4-100.o): New rule.
2770 ($(T)libic_invalidate_array_4-100.a): Likewise.
2771 (ic_invalidate_array_4-200.o): Likewise.
2772 ($(T)libic_invalidate_array_4-200.a): Likewise.
2773 (ic_invalidate_array_4a.o): Likewise.
2774 ($(T)libic_invalidate_array_4a.a): Likewise.
2775 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2776 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2778 * config/sh/crt1.asm: Merged in profiling code.
2779 * config/sh/superh.h (STARTFILE_SPEC): Override.
2780 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2781 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2782 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2784 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2785 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2786 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2788 * sh.opt (mpretend-cmove): New option.
2789 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2790 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2791 (movsicc): Add TARGET_PRETEND_CMOVE code.
2793 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2795 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2796 s390_class_max_nregs): New function prototypes.
2797 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2798 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2799 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2800 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2802 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2804 * dwarf2out.c (add_location_or_const_value_attribute): Call
2805 tree_add_const_value_attribute if nothing else works.
2806 (reference_to_unused): New.
2807 (rtl_for_decl_init): Use reference_to_unused to decide whether
2808 to output an initializer.
2810 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2813 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2814 peephole removing spe frob_di_df_2.
2816 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2818 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2819 (subscript_dependence_tester_1): Declared.
2820 (print_dir_vectors, print_dist_vectors): New.
2821 (debug_data_dependence_relation): New.
2822 (dump_data_dependence_relation): Print more details.
2823 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2824 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2825 (save_dist_v, save_dir_v, add_outer_distances,
2826 build_classic_dist_vector_1): New.
2827 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2828 Don't test for lambda_vector_lexico_pos.
2829 (same_access_functions, add_multivariate_self_dist,
2830 add_other_self_distances, dir_from_dist): New.
2831 (build_classic_dir_vector): Replace implementation almost identical to
2832 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2834 (subscript_dependence_tester_1): New.
2835 (subscript_dependence_tester): Handle the lexicographically negative
2836 distance vectors by recomputing the dependence relation.
2837 (compute_affine_dependence): Remove parameter loop_nest_depth.
2838 (compute_self_dependence): Don't call compute_subscript_distance.
2839 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2840 Add a parameter for the loop_nest.
2841 (find_loop_nest_1, find_loop_nest): New.
2842 (compute_data_dependences_for_loop): Compute the loop nest, and give
2843 up if the nest is not well formed.
2844 * tree-data-ref.h (loop_p): New.
2845 (struct data_dependence_relation): Replace size_vect field with
2846 loop_nest, a vec of loops.
2847 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2848 (DDR_LOOP_NEST): New.
2849 (print_dir_vectors, print_dist_vectors,
2850 debug_data_dependence_relation): Declared.
2851 (index_in_loop_nest): New.
2852 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2853 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2856 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2858 * simplify-rtx.c (simplify_relational_operation): Call
2859 simplify_relational_operation_1 even if mode is VOIDmode.
2861 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2863 PR tree-optimization/26804
2864 * tree.h (DECL_CALL_CLOBBERED): New macro.
2865 (tree_decl_common): Add call_clobbered_flag.
2866 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2867 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2868 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2869 (mark_non_addressable): Ditto.
2870 * tree-ssa.c (verify_call_clobbered): New function.
2871 (verify_alias_info): Use it.
2872 * tree-pass.h (pass_reset_cc_flags): New prototype.
2873 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2874 (reset_cc_flags): New function.
2875 * passes.c (init_optimization_passes): Call reset_cc_flags after
2876 initializing referenced_vars.
2878 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2879 Roger Sayle <roger@eyesopen.com>
2882 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2883 to 1.0 for non-real operands. Implement A / A optimization for
2886 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2888 * config/i386/i386.c (size_cost): Correct the comment for
2889 cost of storing fp registers.
2890 (i386_cost): Likewise.
2891 (i486_cost): Likewise.
2892 (pentium_cost): Likewise.
2893 (pentiumpro_cost): Likewise.
2894 (k6_cost): Likewise.
2895 (athlon_cost): Likewise.
2896 (k8_cost): Likewise.
2897 (pentium4_cost): Likewise.
2898 (nocona_cost): Likewise.
2899 (generic64_cost): Likewise.
2900 (generic32_cost): Likewise.
2902 2006-03-24 Denis Chertykov <denisc@overta.ru>
2904 * config/avr/avr-protos.h (extra_constraint): Delete.
2905 (extra_constraint_Q): New declaration.
2906 * config/avr/constraints.md: New file.
2907 * config/avr/avr.md: Include it.
2908 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2909 (TMP_REGNO, ZERO_REGNO): Likewise.
2910 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2911 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2912 (extra_constraint): Delete.
2913 (extra_constraint_Q): Test for memory constraint 'Q'.
2914 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2915 (REG_CLASS_FROM_LETTER): Delete.
2916 (CONST_OK_FOR_LETTER_P): Delete.
2917 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2918 (EXTRA_CONSTRAINT): Delete.
2919 (TMP_REGNO): Delete.
2920 (ZERO_REGNO): Delete.
2922 2006-03-24 Jeff Law <law@redhat.com>
2924 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2925 directly. Call mark_new_vars_to_rename slightly earlier.
2927 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2929 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2931 (gen_compile_unit_die): Use new language types for Objective-C and
2933 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2934 DW_LANG_C_plus_plus.
2937 * config/t-darwin (crt3.o): Work around bug 26840.
2938 * config/darwin-crt3.c: Rewrite.
2939 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2941 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2943 * doc/invoke.texi: Document -femit-class-debug-always
2944 * common.opt: Add -femit-class-debug-always.
2946 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2948 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2949 index and base register.
2950 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2951 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2952 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2953 REGNO_OK_FOR_INDEX_P.
2954 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2956 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2957 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2958 REG_OK_FOR_BASE_P): Definitions removed.
2960 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2963 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2964 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2965 set yet or weren't marked as local yet.
2967 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2969 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2972 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2974 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2975 (rs6000_legitimate_small_data_p): Delete.
2976 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2977 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2978 and make static. Add forward declaration. Update uses.
2979 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2980 of offsettable_memref_p.
2981 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2982 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2984 2006-03-24 Jeff Law <law@redhat.com>
2986 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2987 around bug in immediate-use iterator.
2989 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2992 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2993 or __LITTLE_ENDIAN__.
2995 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2997 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2998 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2999 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3000 * config/sh/sh.opt (mdiv=): Amend description.
3001 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3002 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3003 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3004 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3005 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3006 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3007 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3008 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3009 TARGET_DIVIDE_CALL_FP.
3011 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3013 * haifa-sched.c (choose_ready): Fix type of the local variable.
3014 Move local variables. Add comment.
3015 (check_reg_live): Change signature. Make callable from debugger.
3016 * sched-int.h (check_reg_live): Update signature.
3017 * sched-ebb.c (check_reg_live): Update parameters.
3018 * sched-rgn.c (check_reg_live): Ditto.
3019 (region_head_or_leaf_p): Check pointer before dereferencing.
3020 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3021 before reload on optimization levels below 1.
3023 2006-03-23 Richard Henderson <rth@redhat.com>
3025 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3029 * config/alpha/predicates.md (local_symbolic_operand): Reject
3032 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3035 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3036 expressions which have overflowed constants.
3038 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3040 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3042 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3044 * cfgloopmanip.c (create_loop_notes): Removed.
3045 * final.c (final_scan_insn): Do not handle loop notes.
3046 * jump.c (squeeze_notes): Ditto.
3047 * cfglayout.c (skip_insns_after_block,
3048 duplicate_insn_chain): Ditto.
3049 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3051 * cfgloop.h (create_loop_notes): Declaration removed.
3053 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3055 * varasm.c (output_constant_pool): Restore fnname and fndecl
3057 (assemble_start_function): Adjust call accordingly.
3058 (assemble_end_function): Likewise.
3060 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3063 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3066 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3068 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3071 * system.h (ICE_EXIT_CODE): New macro.
3072 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3073 (diagnostic_action_after_output): Likewise.
3074 * gcc.c (fatal_ice): New function.
3075 (execute): Use it instead of fatal.
3076 (fancy_abort): Likewise.
3077 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3079 2006-03-22 Jeff Law <law@redhat.com>
3081 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3082 iv_analyze_result returning false.
3084 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3086 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3088 2006-03-22 Richard Henderson <rth@redhat.com>
3091 * except.c (duplicate_eh_regions_0): New.
3092 (duplicate_eh_region_1): Duplicate the children of the node as
3093 well as the node itself. Link them up properly.
3094 (duplicate_eh_region_2): Merge into ...
3095 (duplicate_eh_regions): ... here. Take copy_region argument, and
3096 copy only a sub-tree if asked. Simplify copying and fixup.
3097 (eh_region_outer_p): New.
3098 * except.h (duplicate_eh_regions): Update decl.
3099 (eh_region_outer_p): Declare.
3100 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3101 (lower_omp_master): Likewise.
3102 (lower_omp_ordered): Likewise.
3103 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3104 (move_stmt_r): Use it to remap labels. Handle recursion vs
3105 remap_decls_p properly.
3106 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3107 (find_outermost_region_in_block): New.
3108 (new_label_mapper): New.
3109 (move_sese_region_to_fn): Copy eh information to the new function
3111 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3113 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3116 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3118 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3119 into shared libraries.
3121 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3123 * doc/md.texi: Refer to i386/constraints.md instead of
3125 * config/i386/constraints.md: New file, extracted from...
3126 * config/i386/predicates.md: ...here.
3127 * config/i386/i386.md: Include constraints.md.
3129 2006-03-21 Jason Merrill <jason@redhat.com>
3131 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3134 * expr.c (init_block_move_fn): Force default visibility.
3135 (init_block_clear_fn): Likewise.
3136 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3137 * targhooks.c (default_external_stack_protect_fail): Likewise.
3139 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3141 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3142 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3143 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3144 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3145 (loadgp): Use mips_current_loadgp_style.
3146 (loadgp_noshared): New pattern.
3147 (sibcall_internal): Use MIPS_CALL.
3148 (sibcall_value_internal): Likewise.
3149 (sibcall_value_multiple_internal): Likewise.
3150 (call_internal): Likewise.
3151 (call_value_internal): Likewise.
3152 (call_value_multiple_internal): Likewise.
3153 (call_split): Use MIPS_CALL and add an 'S' constraint.
3154 (call_value_split): Likewise.
3155 (call_value_multiple_split): Likewise.
3156 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3157 (-mshared): New option.
3158 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3159 (mips_current_loadgp_style): Declare.
3160 * config/mips/mips.c (mips_classify_symbol): Avoid using
3161 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3162 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3163 TARGET_ABSOLUTE_ABICALLS.
3164 (override_options): Adjust comments. Improve the warning that is
3165 issued when -mabicalls and -G are used together.
3166 (mips_file_start): Remove comment.
3167 (mips_current_loadgp_style): New function.
3168 (mips_gnu_local_gp): New variable.
3169 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3171 (mips_output_function_prologue): Use mips_current_laodgp_style.
3172 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3173 the cprestore instruction.
3174 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3175 live for TARGET_ABSOLUTE_ABICALLS.
3176 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3177 (ASM_SPEC): Pass down -mshared and -mno-shared.
3178 (MIPS_CALL): New macro.
3179 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3181 * doc/invoke.texi (-mabicalls): Update documentation.
3182 (-mshared): Document.
3184 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3186 * config/ia64/unwind-hpux.c: New file.
3187 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3189 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3192 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3194 2006-03-21 Jeff Law <law@redhat.com>
3196 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3197 type conversions of a VR_VARYING source to a wider type.
3199 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3201 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3202 tm_file on Solaris 10 and later.
3203 (sparc64-*-solaris2*): Likewise.
3204 (sparc-*-solaris2*): Likewise.
3205 * config/sol26.h: Rename to config/sol2-6.h.
3206 * config/sol2-10.h: New file.
3208 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3211 * tree-ssa-pre.c (create_component_ref_by_pieces):
3214 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3217 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3218 return it immediately.
3220 2006-03-21 Michael Matz <matz@suse.de>
3222 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3224 (remove_arc, add_arc): Update num_out_arcs member.
3225 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3227 (cache_presence): New function.
3228 (compare_states_for_equiv): New function.
3229 (state_is_differed): Don't take number of outargs, adjust callers.
3230 Use new invariant for speeding up.
3231 (init_equiv_class): Create initial classes based on sorted
3233 (partition_equiv_class): Don't track out_arcs_num.
3234 (evaluate_equiv_classes): Call cache_presence on all states and
3237 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3239 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3240 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3241 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3242 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3244 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3245 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3246 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3247 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3248 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3250 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3251 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3252 (REGNO_REG_CLASS): ARGP is in PREGS.
3253 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3255 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3256 to deal with those addresses.
3257 * addresses.h: New file.
3258 * caller-save.c: Include "addresses.h".
3259 (init_caller_save): Use new base_reg_class function.
3260 * rtl-factoring.c: Include "addresses.h".
3261 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3262 * recog.c: Include "addresses.h".
3263 (preprocess_constraints): Use new base_reg_class function.
3264 * regrename.c: Include "addresses.h".
3265 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3266 functions. Keep track of a new var INDEX_CODE to compute valid
3268 (replace_oldest_value_addr): Likewise.
3269 (replace_oldest_value_mem): Use base_reg_class.
3270 * reload.c: Include "addresses.h".
3271 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3272 (find_reloads): Use new base_reg_class function.
3273 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3274 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3275 all callers and prototype changed.
3276 * reload1.c: Include "addresses.h".
3277 (maybe_fix_stack_asms): Use base_reg_class.
3278 * regclass.c: Include "addresses.h".
3279 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3280 (init_reg_autoinc): Use new base_reg_class function.
3281 (record_reg_classes): Likewise.
3282 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3283 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3284 Use new args to compute necessary class.
3286 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3287 regrename.o, rtl-factoring.o): Update dependencies.
3288 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3289 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3290 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3291 REG_OK_FOR_INDEX_P): Delete documentation.
3293 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3295 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3296 from V7 to V9 for Solaris 7 and above.
3298 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3300 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3301 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3302 argument pointers may not alias any other storage.
3303 * common.opt: Define option -fargument-noalias-anything.
3304 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3305 alias semantics is specified by flag_argument_noalias > 2.
3307 2006-03-20 Jeff Law <law@redhat.com>
3309 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3310 (pass_phi_only_cprop): Declare.
3311 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3313 * tree-ssa-dom.c (degenerate_phi_result): New function.
3314 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3315 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3316 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3317 (eliminate_degenerate_phis): Likewise.
3318 (pass_phi_only_cprop): New pass descriptor.
3319 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3320 support code. Callers updated.
3321 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3322 (store_copy_prop): Likewise.
3323 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3325 2006-03-20 Jason Merrill <jason@redhat.com>
3328 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3329 (push_visibility, pop_visibility): Likewise.
3330 * c-pragma.h: Declare them.
3332 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3334 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3336 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3337 parameter and use get_ebb_head_tail.
3338 (sh_md_init_global): Adjust uses of find_regmode_weight.
3340 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3342 * function.h (struct function) <x_tail_recursion_reentry>:
3343 Rename to x_stack_check_probe_note.
3344 (tail_recursion_reentry): Rename to stack_check_probe_note.
3345 * function.c: Replace tail_recursion_reentry with
3346 stack_check_probe_note everywhere.
3347 (expand_function_start): Only emit a note for
3348 stack_check_probe_note with -fstack-protect.
3349 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3351 * emit-rtl.c (remove_unnecessary_notes): Remove.
3352 (pass_remove_unnecessary_notes): Remove.
3353 * rtl.h (remove_unnecessary_notes): Remove prototype.
3354 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3355 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3356 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3358 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3361 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3362 (valid_in_set): Handle ARRAY_REF.
3363 Change "if min_variant or VH" to asserts.
3364 (create_component_ref_by_pieces): Handle ARRAY_REF.
3365 (create_expression_by_pieces): Likewise.
3366 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3368 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3370 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3371 is operand of switch, not str[0].
3373 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3375 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3376 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3378 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3380 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3381 end of insn_extra_address_constraint declaration.
3383 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3385 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3386 (no-sum-in-toc): Same.
3387 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3389 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3390 NO_FP_IN_TOC for -fPIC instead of mask.
3392 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3393 (BOOT_LDFLAGS): Delete.
3395 * config/rs6000/t-aix52: Same.
3397 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3398 (stmsi[345678]_power): New.
3400 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3402 * config/ia64/ia64.opt: Add empty line to end of file.
3404 2006-03-17 Richard Guenther <rguenther@suse.de>
3407 * builtins.c (get_pointer_alignment): For component style references
3408 adjust alignment to the component type alignment. Make sure
3409 to adjust alignment for component access of constants.
3411 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3413 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3416 2006-03-17 Paul Brook <paul@codesourcery.com>
3418 * doc/install.texi: Docuemnt --with-mode.
3419 * config.gcc: Add --with-mode for arm*-*-*.
3420 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3422 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3424 * sh.c (max_labelno_before_reorg): New variable.
3425 (sh_reorg): Initialize it.
3426 (find_barrier): Check max_labelno_before_reorg before using
3427 label_to_alignment. Take length of explicit alignment insns
3428 into account. When seeing a UNSPECV_CONST_END, return it.
3430 * sh.c (fixup_mova): Set mode of affected label to QImode.
3431 (untangle_mova): New function.
3432 (find_barrier): Use it. Check mode of label before decrementing
3434 (sh_reorg): Likewise.
3435 Set mode of all insns back to VOIDmode.
3437 * sh.c (MOVA_LABELREF): New macro.
3438 (mova_p, fixup_mova, sh_reorg): Use it.
3439 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3440 ADDR_DIFF_VEC matches mova.
3442 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3444 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3445 with ATTRIBUTE_UNUSED.
3447 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3449 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3450 pointer, instead of assuming it is possible to derive the
3451 correct args size from a call insn.
3453 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3455 * rtl.h (CONST_INT_P): Define.
3456 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3457 instead of GET_CODE(x) == CONST_INT.
3458 (vax_rtx_costs): Likewise.
3459 (vax_output_int_move): Likewise.
3460 (vax_output_int_add): Likewise.
3461 (legitimate_constant_address_p): Likewise.
3462 (index_term_p): Likewise.
3463 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3464 * config/vax/vax.md (and<mode>3): Likewise.
3465 (ashrsi3): Likewise.
3467 (movstricthi): Likewise.
3468 (movstrictqi): Likewise.
3469 (rotrsi3): Likewise.
3470 (five unnamed insns): Likewise.
3472 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3474 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3475 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3476 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3477 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3478 Pass to ASM_OUTPUT_DWARF_OFFSET.
3479 * dwarf2out.c (debug_frame_section): New.
3480 (output_call_frame_info): Use debug_frame_section. Pass it to
3481 dw2_asm_output_offset.
3482 (output_die): Pass appropriate section to dw2_asm_output_offset.
3483 (output_compilation_unit_header): Likewise.
3484 (output_pubnames): Likewise.
3485 (output_aranges): Likewise.
3486 (enum dw_val_class): Break dw_val_class_lbl_offset into
3487 dw_val_class_lineptr and dw_val_class_macptr.
3488 (add_AT_lbl_offset): Delete.
3489 (add_AT_lineptr): New.
3490 (add_AT_macptr): New.
3491 (AT_lbl): Expect a lineptr or macptr.
3492 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3493 (attr_checksum): Likewise.
3494 (same_dw_val_p): Likewise.
3495 (size_of_die): Likewise.
3496 (value_format): Likewise.
3497 (output_die): Likewise.
3498 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3500 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3501 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3502 * config/darwin-protos.h (darwin_file_start): New.
3503 (darwin_asm_output_dwarf_offset): New.
3504 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3505 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3507 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3508 if not EH section; simplify.
3509 (darwin_file_start): New.
3510 (darwin_asm_output_dwarf_offset): New.
3511 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3513 (DEBUG_INFO_SECTION): Likewise.
3514 (DEBUG_ABBREV_SECTION): Likewise.
3515 (DEBUG_ARANGES_SECTION): Likewise.
3516 (DEBUG_MACINFO_SECTION): Likewise.
3517 (DEBUG_LINE_SECTION): Likewise.
3518 (DEBUG_LOC_SECTION): Likewise.
3519 (DEBUG_PUBNAMES_SECTION): Likewise.
3520 (DEBUG_STR_SECTION): Likewise.
3521 (DEBUG_RANGES_SECTION): Likewise.
3522 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3523 (ASM_OUTPUT_DWARF_OFFSET): New.
3525 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3527 * config.gcc (tm_defines): Always add to previous value rather
3530 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3532 * config/mips/predicates.md (splittable_const_int_operand): New,
3533 split from move_operand.
3534 (splittable_symbolic_operand): New.
3535 (move_operand): Add commentary. Use splittable_const_int_operand.
3536 Inline mips_atomic_symbolic_constant_p.
3537 * config/mips/mips.md: Add combine splitters for handling moves
3538 of splittable_const_int_operands and splittable_symbolic_operands.
3539 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
3540 (mips_split_symbol): Declare.
3541 (mips_move_integer): Declare.
3542 * config/mips/mips.c (mips_split_p): Make global.
3543 (TARGET_MIN_ANCHOR_OFFSET): Override default.
3544 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
3545 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
3546 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
3547 (mips_offset_within_object_p): Handle block symbols.
3548 (mips_atomic_symbolic_constant_p): Delete.
3549 (mips_cannot_force_const_mem): Return false for constants that
3550 mips_legitimize_move can handle.
3551 (mips_use_blocks_for_constant_p): New function.
3552 (mips_split_symbol): Make global.
3553 (mips_move_integer): Likewise. Add a temporary register argument.
3554 (mips_legitimize_const_move): Use splittable_const_int_operand and
3555 splittable_symbolic_operand.
3556 (mips_use_anchors_for_symbol_p): New function.
3557 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
3558 (mips_split_p): Declare.
3560 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3562 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
3563 (mips*-*-linux*): Likewise.
3565 2006-03-16 Roger Sayle <roger@eyesopen.com>
3566 Daniel Speyer <dspeyer@wam.umd.edu>
3569 * tree-dump.c (dump_real): New function.
3570 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
3571 * Makefile.in (REAL_H): New macro for dependencies on real.h.
3572 (tree-dump.o): Add $(REAL_H) to the dependencies.
3574 2006-03-16 Roger Sayle <roger@eyesopen.com>
3577 * real.c (real_from_string): If the mantissa is zero, don't bother
3578 parsing the exponent as the result should always be zero.
3580 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
3582 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
3584 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3586 * config/ia64/ia64.c (stops_p): Added explicit initialization.
3587 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
3588 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
3589 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
3590 ia64_sched_finish_global): New static functions to implement
3591 hooks from gcc_target.sched.
3592 (spec_check_no, max_uid, pending_data_specs): New static variables.
3593 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
3594 ia64_spec_check_src_p): New static functions.
3595 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
3596 (TARGET_SCHED_ADJUST_COST): Removed.
3597 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
3598 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
3599 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3600 TARGET_SCHED_GEN_CHECK,
3601 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3602 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
3603 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
3604 Fixed to handle speculation checks.
3605 (rtx_needs_barrier): Fixed to handle speculative loads and
3607 (ia64_variable_issue): Added code to count speculative loads and their
3609 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
3611 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
3613 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
3615 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
3616 (ia64_reorg): Reset stops_p to NULL after it is freed.
3617 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
3618 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
3619 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
3621 (data_speculative, control_speculative, check_load): New attributes.
3622 (mov<mode>_advanced, mov<mode>_speculative,
3623 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
3624 zero_extend<mode>di2_speculative,
3625 zero_extend<mode>di2_speculative_advanced): New patterns for
3626 data and control speculative loads.
3627 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
3629 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
3630 New pattern for data and control speculation checks.
3631 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
3632 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
3633 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
3634 Auxiliary definitions for the patterns.
3635 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
3636 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
3638 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
3640 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
3641 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
3642 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
3643 New resource constraints.
3644 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
3646 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
3647 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
3648 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3649 msched-in-control-spec, msched-ldc, msched-control-ldc,
3650 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3651 msched-prefer-non-control-spec-insns,
3652 msched-count-spec-in-critical-path): New flags to tune speculative
3654 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
3655 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
3656 msched-in-control-spec, msched-ldc, msched-control-ldc,
3657 msched-spec-verbose, msched-prefer-non-data-spec-insns,
3658 msched-prefer-non-control-spec-insns,
3659 msched-count-spec-in-critical-path): Document new flags.
3661 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3663 * target.h (struct spec_info_def): New opaque declaration.
3664 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
3665 speculate_insn, needs_block_p, gen_check,
3666 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
3667 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
3668 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3669 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3670 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3671 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3673 (TARGET_SCHED): Use new macros.
3674 * rtl.h (copy_DEPS_LIST_list): New prototype.
3675 * sched-int.h (struct sched_info): Change signature of new_ready field,
3676 adjust all initializations. New fields: add_remove_insn,
3677 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3678 region_head_or_leaf_p.
3679 (struct spec_info_def): New structure declaration.
3680 (spec_info_t): New typedef.
3681 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3682 recovery_block, orig_pat.
3683 (glat_start, glat_end): New variables declaraions.
3684 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3686 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3687 DETACH_LIFE_INFO, USE_GLAT.
3688 (enum SPEC_SCHED_FLAGS): New enumeration.
3689 (NOTE_NOTE_BB_P): New macro.
3690 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3691 attach_life_info, debug_spec_status, check_reg_live): New functions.
3692 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3693 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3695 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3696 * ddg.c (get_block_head_tail): Adjust all uses.
3697 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3698 (sms_sched_info): Initialize new fields.
3699 (contributes_to_priority): Removed.
3700 * haifa-sched.c (params.h): New include.
3701 (get_block_head_tail): Adjust all uses.
3702 (ISSUE_POINTS): New macro.
3703 (glat_start, glat_end): New global variables.
3704 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3705 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3706 old_last_basic_block, before_recovery, current_sched_info_var,
3707 rgn_n_insns, luid): New static variables.
3708 (insn_cost1): New function. Move logic from insn_cost to here.
3709 (find_insn_reg_weight1): New function. Move logic from
3710 find_insn_reg_weight to here.
3711 (reemit_notes, move_insn, max_issue): Change signature.
3712 (move_insn1): Removed.
3713 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3714 extend_bb): New static functions to support extension of scheduler's
3716 (generate_recovery_code, process_insn_depend_be_in_spec,
3717 begin_speculative_block, add_to_speculative_block,
3718 init_before_recovery, create_recovery_block, create_check_block_twin,
3719 fix_recovery_deps): New static functions to support
3720 generation of recovery code.
3721 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3722 restore_bb_notes, move_block_after_check, move_succs): New static
3723 functions to support ebb scheduling.
3724 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3725 functions to support handling of register live information.
3726 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3727 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3728 add_jump_dependencies): New static functions.
3729 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3730 consistancy checking.
3731 (debug_spec_status): New function to call from debugger.
3732 (priority): Added code to handle speculation checks.
3733 (rank_for_schedule): Added code to distinguish speculative instructions.
3734 (schedule_insn): Added code to handle speculation checks.
3735 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3736 Fixed to handle ebbs.
3737 (move_insn): Added code to handle ebb scheduling.
3738 (max_issue): Added code to use ISSUE_POINTS of instructions.
3739 (choose_ready): Added code to choose between speculative and
3740 non-speculative instructions.
3741 (schedule_block): Added code to handle ebb scheduling and scheduling of
3742 speculative instructions.
3743 (sched_init): Initialize new variables.
3744 (sched_finish): Free new variables. Print statistics.
3745 (try_ready): Added code to handle speculative instructions.
3746 * lists.c (copy_DEPS_LIST_list): New function.
3747 * sched-deps.c (extend_dependency_caches): New function. Move logic
3748 from create_dependency_caches to here.
3749 (get_dep_weak, ds_merge): Make global.
3750 * genattr.c (main): Code to output prototype for
3751 dfa_clear_single_insn_cache.
3752 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3753 (output_dfa_clean_insn_cache_func): Code to output
3754 dfa_clear_single_insn_cache function.
3755 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3757 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3759 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3760 New static variables.
3761 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3762 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3764 (ebb_sched_info): Initialize new fields.
3765 (get_block_head_tail): Adjust all uses.
3766 (compute_jump_reg_dependencies): Fixed to use glat_start.
3767 (schedule_ebb): Code to remove unreachable last block.
3768 (schedule_ebbs): Added code to update register live information.
3769 * sched-rgn.c (region_sched_info): Initialize new fields.
3770 (get_block_head_tail): Adjust all uses.
3771 (last_was_jump): Removed. Adjust users.
3772 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3773 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3774 Implement new hooks.
3775 (check_dead_notes1): New static function.
3776 (struct region): New fields: dont_calc_deps, has_real_ebb.
3777 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3778 (BB_TO_BLOCK): Fixed to handle EBBs.
3779 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3780 (ebb_head): New static variable.
3781 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3782 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3784 (compute_dom_prob_ps): New assertion.
3785 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3786 global_live_at_start.
3787 (init_ready_list): New assertions.
3788 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3789 (new_ready): Add support for BEGIN_CONTROL speculation.
3790 (schedule_insns): Fixed code that updates register live information
3792 (schedule_region): Fixed to handle EBBs.
3793 (init_regions): Use extend_regions and check_dead_notes1.
3794 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3795 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3796 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3797 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3798 TARGET_SCHED_GEN_CHECK,
3799 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3800 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3801 * doc/invoke.texi (max-sched-insn-conflict-delay,
3802 sched-spec-prob-cutoff): Document.
3804 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3806 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3807 inter_tick, queue_index.
3808 (struct sched_info): Change signature of init_ready_list field.
3809 Adjust all initializations.
3810 (RESOLVED_DEPS): New access macro.
3811 (ready_add): Remove prototype.
3812 (try_ready): Add prototype.
3813 * sched-rgn.c (init_ready_list): Use try_ready.
3814 (schedule_region): Initialize
3815 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3816 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3817 (init_ready_list): Use try_ready.
3818 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3819 * lists.c (remove_list_elem): Remove `static'.
3820 (remove_free_INSN_LIST_elem): New function.
3821 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3822 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3823 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3825 (readyp): New variable.
3826 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3827 change_queue_index, resolve_dep): New static functions.
3828 (try_ready): New function. Adjust callers in sched-rgn.c and
3829 sched-ebb.c to use it instead of ready_add.
3830 (clock_var): Move at the begining of file.
3831 (rank_for_schedule): Fix typo.
3832 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3833 (ready_lastpos): Enforce assertion.
3834 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3836 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3837 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3838 (queue_to_ready): Use free_INSN_LIST_list.
3839 (early_queue_to_ready): Fix typo.
3840 (schedule_block): Init readyp. Move init_ready_list call after the
3841 initialization of clock_var. Fix error in rejecting insn by
3842 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3843 that previously corrected INSN_TICKs. Add code for handling
3845 (set_priorities): Fix typo.
3846 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3847 Clarify comment and code that keeps current_sched_info->next_tail
3850 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3852 * sched-rgn.c (extend_rgns): New static function.
3853 (find_rgns): Use it.
3854 (gather_region_statistics, print_region_statistics): New static
3856 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3857 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3859 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3860 Andrey Belevantsev <abel@ispras.ru>
3862 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3863 * lists.c (unused_deps_list): New variable.
3864 (free_list): Add assertions to verify the proper distinguishing
3865 between INSN_LISTs and DEPS_LISTs.
3866 (find_list_elem, remove_list_elem, remove_list_node): New static
3868 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3869 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3870 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3871 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3873 (free_INSN_LIST_node): Likewise.
3874 * modulo-sched.c (current_sched_info): Initialize flags field.
3875 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3876 * rtl.def (DEPS_LIST): Define.
3877 * rtl.h: Declare new functions from lists.c.
3878 * sched-deps.c (spec_dependency_cache): New static variable.
3879 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3880 (add_dependence): Change return type to void. Move the logic to ...
3881 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3882 (delete_all_dependences): Add comment about forward_dependency_cache.
3883 Handle spec_dependency_cache. Handle DEPS_LISTs.
3884 (fixup_sched_groups): Clarify the change of priority of output
3885 and anti dependencies.
3886 (sched_analyze_2): Adjust add_dependence calls to create data
3887 speculative dependence.
3888 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3889 Adjust all callers. Handle DEPS_LISTS.
3890 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3891 presence of speculation.
3892 (init_dependency_caches, free_dependency_caches):
3893 Handle spec_dependency_cache.
3894 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3895 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3896 New static functions.
3897 (add_or_update_back_dep, add_or_update_back_forw_dep,
3898 add_back_forw_dep, delete_back_forw_dep): New functions.
3899 * sched-int.h (ds_t, dw_t): New typedefs.
3900 (struct sched_info): Add new field flags.
3901 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3902 Prototype new sched-deps.c functions.
3903 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3904 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3905 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3906 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3907 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3908 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3910 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3912 * sched-rgn.c (current_sched_info): Initialize flags field.
3913 (schedule_insns): Initialize current_sched_info before the sched_init
3915 * sched-ebb.c (current_sched_info): Initialize flags field.
3916 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3917 Call add_or_update_back_dep instead of add_dependence.
3918 Create control speculative dependencies.
3919 (schedule_insns): Initialize current_sched_info before the sched_init
3922 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3924 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3926 (sh_fallback_frame_state): Likewise.
3928 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3930 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3931 Do switch on default_use_cxa_atexit.
3932 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3933 * config/darwin-crt3.o: New.
3934 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3935 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3936 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3938 * config/rs6000/t-darwin: Move crt2.o building to here.
3939 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3940 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3943 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3945 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3946 from '! xxx' to '!xxx' for coding-style conformance.
3947 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3948 (EXTRA_CONSTRAINT): Likewise.
3949 * config/vax/vax.md (four unnamed insns): Likewise.
3951 2006-03-15 Paul Brook <paul@codesourcery.com>
3953 * config/arm/arm.c (minipool_pad): New.
3954 (add_minipool_forward_ref): Include pool alignment padding in address
3956 (push_minipool_fix): Set minipool_pad.
3957 (minipool_pad): Ditto.
3959 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3961 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3962 instead of GET_CODE() == MEM and REG_P() instead of
3964 (print_operand_address): Likewise.
3965 (vax_address_cost): Likewise.
3966 (vax_rtx_costs): Likewise.
3967 (vax_notice_update_cc): Likewise.
3968 (vax_output_int_add): Likewise.
3969 (INDEX_REGISTER_P): Likewise.
3970 (BASE_REGISTER_P): Likewise.
3971 (nonindexed_address_p): Likewise.
3972 (vax_mode_dependent_address_p): Likewise.
3973 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3974 (PRINT_OPERAND): Likewise.
3975 * config/vax/vax.md (ashlsi3): Likewise.
3976 (ashlsi3): Likewise.
3977 (some more unnamed insns): Likewise.
3979 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3981 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3982 iterator-style macro.
3983 (mark_control_dependent_edges_necessary): Update the use of
3984 EXECUTE_IF_CONTROL_DEPENDENT.
3986 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3988 * config/sh/predicates.md (cache_address_operand): Special.
3989 (ua_address_operand): Likewise.
3991 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3993 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3995 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3997 2006-03-15 Andreas Schwab <schwab@suse.de>
3999 * gensupport.c (identify_predicable_attribute): Don't free p_false
4000 when it is still in use.
4002 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4004 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4005 the default setting here.
4007 2006-03-14 Steven Bosscher <steve
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