1 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
3 PR tree-optimization/27381
4 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
5 maintain the same immediate_use links.
6 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
7 node rather than segfaulting.
9 2006-05-03 Jakub Jelinek <jakub@redhat.com>
12 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
13 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
14 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
16 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
18 Fix PR tree-optimization/26626
19 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
21 * tree-ssa-operands.c (access_can_touch_variable): Allow
22 typecasting through union pointers.
24 2006-05-02 Jakub Jelinek <jakub@redhat.com>
27 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
28 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
29 to find if var will be a global variable even in the nested context.
30 (omp_copy_decl): Only check for global variable at the end, it might
31 be overridden in outer contexts.
32 (scan_sharing_clauses): For global variables don't create a field.
33 (lower_rec_input_clauses): Do nothing for global shared variables.
34 Emit a barrier at the end of ILIST if there were any decls in both
35 firstprivate and lastprivate clauses.
36 (lower_send_clauses): Do nothing for global variables except for
39 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
41 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
42 of the correct signedness is returned.
44 2006-05-02 Jeff Law <law@redhat.com>
46 PR tree-optimization/27364
47 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
50 2006-05-02 Tom Tromey <tromey@redhat.com>
52 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
54 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
57 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
58 -mthumb -fPIC are used.
60 2006-05-02 Joshua Kinard <kumba@gentoo.org>
63 * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
66 2006-05-02 Paul Brook <paul@codesourcery.com>
68 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
70 (create_fix_barrier): Check that a suitable barrier location is
72 (arm_reorg): Include ftmp->address in allowable range of addresses.
74 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
77 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
80 2006-05-02 Jakub Jelinek <jakub@redhat.com>
83 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
84 around RESULT_DECL for result passed by reference.
85 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
86 * omp-low.c (use_pointer_for_field): Don't look at
87 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
88 (scan_omp_1): Call remap_decl on RESULT_DECLs.
89 (lower_rec_input_clauses): Don't allocate VLA memory for the second
90 time or var for passing by reference for
91 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
92 TREE_ADDRESSABLE variables when passing by reference.
94 * omp-low.c (dump_omp_region): Fix output formatting.
97 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
98 (expand_omp_parallel): Likewise.
99 * tree-cfg.c (move_sese_region_to_fn): Likewise.
102 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
103 on statement list containing also constructors and destructors.
104 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
107 * except.c (duplicate_eh_regions): Fix clearing of
108 cfun->eh->region_array entries.
110 2006-05-01 DJ Delorie <dj@redhat.com>
112 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
114 (gcc_cv_objdump): Likewise.
115 * configure: Regenerated.
117 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
120 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
121 templates for case 3 and 4.
123 2006-05-01 DJ Delorie <dj@redhat.com>
125 * vec.c: Include bconfig.h when appropriate.
126 * Makefile.in (build/vec.o): Adjust dependencies.
127 * mkconfig.sh: Make sure config.h isn't used for build machine
130 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
132 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
134 (mark_phi_for_rewrite): New function.
135 (insert_phi_nodes_for, mark_use_interesting): Call
136 mark_phi_for_rewrite.
137 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
138 (update_ssa): Initialize and free phis_to_rewrite.
140 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
142 PR rtl-optimization/27291
143 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
144 folded to a constant.
146 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
148 PR tree-optimization/27283
149 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
150 not whole # of iteration descriptions.
151 (niter_for_exit): Return just # of iterations. Fail if # of iterations
152 uses abnormal ssa name.
153 (niter_for_single_dom_exit): Ditto.
154 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
155 return just the number of iterations.
157 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
159 PR tree-optimization/27144
160 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
161 (record_estimate): Only record constant upper bound.
162 (infer_loop_bounds_from_undefined): Call
163 compute_estimated_nb_iterations just once.
164 (proved_non_wrapping_p): Renamed to ...
165 (n_of_executions_at_most): ... this. Expect bound to be a constant.
166 (convert_step_widening, scev_probably_wraps_p): Call
167 n_of_executions_at_most instead of proved_non_wrapping_p.
168 (substitute_in_loop_info): Do not replace values in bounds.
169 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
172 2006-05-01 Richard Henderson <rth@redhat.com>
175 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
176 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
179 2006-05-01 Roger Sayle <roger@eyesopen.com>
181 * c-typeck.c (parser_build_binary_op): Don't call the function
182 unsigned_conversion_warning to spot operand/result type overflow.
183 (build_binary_op): Instead, call convert_and_check instead of
184 convert to report the problem when the operands are promoted.
185 * c-common.c (unsigned_conversion_warning): Make static.
186 * c-common.h (unsigned_conversion_warning): Delete prototype.
188 2006-05-01 Richard Guenther <rguenther@suse.de>
190 PR tree-optimization/26726
191 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
193 (find_interesting_uses_address): ... we work around here
194 by folding INDIRECT_REFs in the substituted base.
196 2006-05-01 Diego Novillo <dnovillo@redhat.com>
198 * omp-low.c (dump_omp_region): Add newlines.
200 2006-04-30 Roger Sayle <roger@eyesopen.com>
202 * common.opt (Woverflow): New command line option.
203 * c-common.c (constant_expression_warning): Check warn_overflow.
204 (overflow_waring): Pass OPT_Woverflow to warning.
205 (unsigned_conversion_warning): Likewise.
206 (convert_and_check): Likewise.
207 * doc/invoke.texi: Document new command line option.
209 2006-04-30 David Edelsohn <edelsohn@gnu.org>
211 * config/rs6000/rs6000.c (rs6000_override_options): Enable
212 TARGET_NO_FP_IN_TOC for section anchors.
213 (optimization_options): Enable section anchors for all
214 non-"Objective" languages.
216 2006-04-28 Eric Christopher <echristo@apple.com>
218 * config/darwin-c.c (darwin_ms_struct): Move this
219 (darwin_set_default_type_attributes): and this...
220 * config/darwin.c: ... here.
221 * config/darwin.h (darwin_ms_struct): Declare.
223 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
225 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
227 2006-04-28 Roger Sayle <roger@eyesopen.com>
230 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
231 (push_array_bounds): Delete prototype. Change BOUNDS argument to
232 an unsigned HOST_WIDE_INT.
233 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
235 (really_start_incremental_init): No need to call convert because
236 bitsize_zero_node is already of type bitsizetype.
237 (push_init_level): Extract the value of constructor_index as an
238 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
239 (process_init_element): Likewise.
241 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
243 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
244 value before passing to make_relative_prefix.
246 2006-04-28 Alan Modra <amodra@bigpond.net.au>
249 * builtins.c (expand_builtin_memset): Expand val in original mode.
251 2006-04-27 Eric Christopher <echristo@apple.com>
253 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
255 * config/darwin-c.c (darwin_ms_struct): New.
256 (darwin_pragma_ms_struct): Ditto.
257 (darwin_set_default_type_attributes): Ditto.
258 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
259 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
260 Register ms_struct pragma.
261 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
262 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
263 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
264 darwin_set_default_type_attributes if TARGET_MACHO.
266 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
268 PR tree-optimization/26854
269 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
270 * doc/tree-ssa.texi: Update immuse iterator documentation.
271 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
272 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
273 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
274 first_safe_imm_use, next_safe_imm_use): Remove.
275 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
276 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
277 (move_use_after_head): New. Helper function to sort immuses in a stmt.
278 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
279 (first_imm_use_stmt): New. Get first stmt in an immuse list.
280 (next_imm_use_stmt): New. Get next stmt in an immuse list.
281 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
282 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
283 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
284 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
285 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
286 (perfect_nestify): Use new iterator.
287 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
289 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
290 (next_imm_name): New field in struct immediate_use_iterator_d.
291 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
292 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
293 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
294 * tree-cfg.c (replace_uses_by): Use new iterator.
295 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
296 * tree-ssa-operands.c (correct_use_link): Remove.
297 (finalize_ssa_use_ops): No longer call correct_use_link.
299 2006-04-27 Stuart Hastings <stuart@apple.com>
301 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
302 * config/t-darwin (crt3.o): Use it.
303 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
304 'pmode', use Pmode instead of SImode for SYMBOL_REF.
305 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
306 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
307 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
310 2006-04-27 Roger Sayle <roger@eyesopen.com>
312 * expmed.c (store_fixed_bit_field): If we're not optimizing for
313 size, force the intermediate into a new pseudo rather instead of
314 performing both a bitwise AND and a bitwise IOR in memory.
316 2006-04-27 Richard Guenther <rguenther@suse.de>
318 PR rtl-optimization/26685
319 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
320 this one "max-flow-memory-locations".
322 2006-04-27 Richard Guenther <rguenther@suse.de>
324 PR tree-optimization/25148
325 * tree-vrp.c (compare_values): Remove code dealing with
326 comparisons against type min/max value. Honour overflow
327 and negative constants in code dealing with comparisons
328 of plus and minus expressions.
329 (value_inside_range): Use fold_binary with LE_EXPR and
330 GE_EXPR rather than compare_values.
332 2006-04-27 Dirk Mueller <dmueller@suse.de>
334 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
337 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
339 * basic-block.h (safe_insert_insn_on_edge): Removed.
340 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
343 2006-04-26 David Edelsohn <edelsohn@gnu.org>
344 Paolo Bonzini <bonzini@gnu.org>
347 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
348 (simplify_and_const_int): Same.
350 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
352 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
354 2006-04-26 Jakub Jelinek <jakub@redhat.com>
357 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
358 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
359 cgraph_global_info_ready.
362 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
365 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
366 either decl or init is error_mark_node.
369 * tree-flow.h (struct omp_region): Add sched_kind.
370 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
371 instead of extracting omp for data.
372 (expand_omp_for): Save extracted sched_kind.
374 2006-04-25 Roger Sayle <roger@eyesopen.com>
376 * expmed.c (store_bit_field): Also check whether the bitsize is
377 valid for the machine's "insv" instruction before moving the
378 target into a pseudo for use with the insv.
379 * config/i386/predicates.md (const8_operand): New predicate.
380 * config/i386/i386.md (extv, extzv, insv): Use the new
381 const8_operand predicate where appropriate.
383 2006-04-25 DJ Delorie <dj@redhat.com>
385 * doc/install.texi (Specific): Clarify that this is not a list of
386 supported hosts or targets.
388 2006-04-25 Richard Sandiford <richard@codesourcery.com>
390 PR rtl-optimization/26725
391 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
392 block's BB_DIRTY flag.
394 2006-04-25 Geoffrey Keating <geoffk@apple.com>
396 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
399 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
402 2006-04-25 David Edelsohn <edelsohn@gnu.org>
404 * varasm.c (align_variable): New function.
405 (get_block_for_decl): Apply align_variable to DECL before
406 calculating section information.
407 (assemble_variable): Split out alignment computation.
409 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
411 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
414 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
416 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
417 MODE_PARTIAL_INT mode.
418 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
419 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
421 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
422 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
424 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
426 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
428 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
429 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
430 MACFLAG_IH): Likewise.
431 (movstricthi_1): Renamed from "*movstricthi".
432 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
433 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
434 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
435 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
436 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
437 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
438 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
439 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
440 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
441 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
442 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
443 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
444 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
445 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
446 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
448 * doc/rtl.texi (ss_ashift): Improve wording.
450 2006-04-24 Geoffrey Keating <geoffk@apple.com>
452 * dwarf2out.c (verify_marks_clear): New.
453 (prune_unused_types): Call verify_marks_clear initially, not
456 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
458 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
459 * doc/rtl.texi: Document them.
460 * simplify-rtx.c (simplify_unary_operation,
461 simplify_binary_operation_1): Don't abort when we see them.
463 2006-04-24 Mark Mitchell <mark@codesourcery.com>
466 2006-04-23 Mark Mitchell <mark@codesourcery.com>
467 * configure.ac: Completely disregard languages that are not
469 * configure: Regenerated.
471 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
472 Richard Guenther <rguenther@suse.de>
474 PR tree-optimization/27236
475 * tree-inline.c (copy_body_r): Make sure to copy
476 TREE_THIS_VOLATILE flag.
478 2006-04-24 Richard Guenther <rguenther@suse.de>
481 * tree-complex.c (update_parameter_components): Don't handle
482 unused parameters which have no default def.
484 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
485 Richard Guenther <rguenther@suse.de>
487 PR tree-optimization/27218
488 * tree-inline.c (expand_call_inline): Strip useless type
489 conversions for the return slot address.
491 2006-04-24 Richard Guenther <rguenther@suse.de>
493 * cfgloop.h (struct loops): Remove unused field array. Reorder
495 (LOOP_PREFETCH): Remove.
497 2006-04-24 Richard Guenther <rguenther@suse.de>
499 PR tree-optimization/22525
500 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
501 variable, adjust types of generated expressions.
503 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
505 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
506 (tree-vect-patterns.o): Likewise.
508 (cselib.o): Likewise.
509 (loop-doloop.o): Likewise.
510 (regclass.o): Likewise.
511 (reload1.o): Likewise.
512 (explow.o): Replace target.h with $(TARGET_H).
513 (ipa-prop.o): Likewise.
514 (ipa-cp.o): Likewise.
515 (ipa-inline.o): Likewise.
517 (reg-stack.o): Likewise.
519 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
521 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
523 2006-04-23 Mark Mitchell <mark@codesourcery.com>
525 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
527 * configure.ac: Completely disregard languages that are not
529 * configure: Regenerated.
532 * c-common.h (c_build_bitfield_integer_type): Declare.
533 * c-decl.c (c_build_bitfield_integer_type): Move to ...
534 * c-common.c (c_build_bitfield_integer_type): ... here.
536 2006-04-23 Roger Sayle <roger@eyesopen.com>
539 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
540 a SImode SUBREG of a floating point register after no_new_pseudos.
542 2006-04-23 Roger Sayle <roger@eyesopen.com>
544 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
545 identify potentially eliminable registers to additionally catch
546 VIRTUAL_INCOMING_ARGS_REGNUM.
547 (addsi3): Update the conditions on when to use addsi_small_int.
549 2006-04-23 Roger Sayle <roger@eyesopen.com>
552 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
553 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
554 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
556 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
558 * fold-const.c (range_predecessor): Use operand_equal_p
559 as the predicate for equality.
560 (range_successor): Likewise.
562 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
565 * config/soft-fp/op-common.h: Fix a typo.
567 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
570 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
571 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
573 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
575 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
577 * doc/tm.texi: Fix a typo.
579 2006-04-21 Geoffrey Keating <geoffk@apple.com>
581 * dwarf2out.c (struct die_struct): Document that die_sib makes
582 a circular linked list.
583 (FOR_EACH_CHILD): New.
584 (reverse_die_lists): Delete.
585 (reverse_all_dies): Delete.
586 (add_dwarf_attr): Correct documentation.
587 (remove_child_with_prev): New.
588 (remove_child_TAG): Update for change to die_struct, use
589 remove_child_with_prev.
590 (add_child_die): Update for change to die_struct.
591 (splice_child_die): Use remove_child_with_prev and add_child_die.
592 (print_die): Use FOR_EACH_CHILD.
593 (die_checksum): Likewise.
594 (assign_symbol_names): Likewise.
595 (output_location_lists): Likewise.
596 (build_abbrev_table): Likewise.
597 (calc_die_sizes): Likewise.
598 (mark_dies): Likewise.
599 (unmark_dies): Likewise.
600 (unmark_all_dies): Likewise.
601 (output_die): Likewise.
602 (prune_unused_types_mark): Likewise.
603 (prune_unused_types_walk): Likewise.
604 (same_die_p): Update for change to die_struct.
605 (break_out_includes): Likewise.
606 (prune_unused_types_prune): Likewise.
607 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
608 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
610 (dwarf2out_finish): Don't call reverse_all_dies.
612 2006-04-21 Eric Christopher <echristo@apple.com>
614 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
615 in comments and function names.
617 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
620 * c-typeck.c (digest_init): Robustify.
622 * c-typeck.c (pop_init_level): Simplify.
624 2006-04-21 Steve Ellcey <sje@cup.hp.com>
626 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
628 2006-04-21 Paul Brook <paul@codesourcery.com>
630 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
631 hardware floating point.
633 2006-04-21 David Edelsohn <edelsohn@gnu.org>
635 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
638 2006-04-21 Nick Clifton <nickc@redhat.com>
640 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
643 2006-04-21 Alan Modra <amodra@bigpond.net.au>
646 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
647 C++ lang type in traceback table for Objective-C++.
649 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
651 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
653 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
655 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
658 * tree-mudflap.c (mudflap_finish_file): Skip function when there
659 were errors. Remove check for erroneous objects.
661 2006-04-20 Jeff Law <law@redhat.com>
663 PR tree-optimization/26854
664 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
665 checking for zero or one use.
666 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
667 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
668 * tree-ssa-reassoc.c (negate_value): Similarly.
669 (reassociate_bb): Similarly.
671 2006-04-20 Jakub Jelinek <jakub@redhat.com>
673 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
674 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
675 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
677 2006-04-20 Alan Modra <amodra@bigpond.net.au>
679 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
680 fp regs if the last fp arg doesn't fit in regs.
682 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
685 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
686 that the last insn has the REG_INC note.
688 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
689 Nathan Sidwell <nathan@codesourcery.com>
692 * stor-layout.c (update_alignment_for_field): Do not align
694 (place_union_field): Place union field at the start of the union.
695 (place_field): Move ERROR_MARK check later, and use the current
696 allocation position to maintain monotonicity.
698 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
700 * dominance.c: Include timevar.h.
701 (calculate_dominance_info): Use TV_DOMINANCE.
702 * timevar.def (TV_DOMINANCE): New timevar.
703 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
705 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
707 PR rtl-optimization/14261
708 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
709 move would be an INSV insn.
710 (noce_process_if_block): Don't optimize if the destination is a
711 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
713 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
715 * config/s390/s390.md: Add comments with the instructions emitted
716 by an insn pattern if macros are used.
718 2006-04-19 Alan Modra <amodra@bigpond.net.au>
720 PR rtl-optimization/26026
721 * fold-const.c (fold_binary): Optimize div and mod where the divisor
722 is a known power of two shifted left a variable amount.
724 2006-04-18 Geoffrey Keating <geoffk@apple.com>
726 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
727 to hash table twice when the debug_str section has SECTION_MERGE.
729 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
731 * config/soft-fp: New directory. From glibc.
732 * config/soft-fp/t-softfp: New.
733 * config/soft-fp/README: New.
734 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
735 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
736 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
737 (LIBGCC_DEPS): Add $(SFP_MACHINE).
738 * config.gcc: Use rs6000/t-fprules-fpbit or
739 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
741 * config/rs6000/sfp-machine.h: New. Based on glibc.
742 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
744 * config/rs6000/t-fprules: Remove fp-bit rules.
745 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
746 * config/rs6000/t-linux64: Likewise. Remove duplicates from
747 LIB2FUNCS_EXTRA. Remove fp-bit rules.
748 (softfp_wrap_start, softfp_wrap_end): New.
750 2006-04-18 DJ Delorie <dj@redhat.com>
752 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
754 2006-04-18 Devang Patel <dpatel@apple.com>
756 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
758 2006-04-18 Nick Clifton <nickc@redhat.com>
760 * config/sh/t-symbian: Add rule to build sh-c.o
761 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
762 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
763 (sh_symbian_encode_section_info): Likewise.
765 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
767 * builtins.c (expand_builtin_strcmp): Cover label definition of
768 do_libcall with HAVE_cmpstrnsi.
770 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
772 * function.c (temp_slots_at_level, max_slot_level): Use VEC
774 * function.h (temp_slot_p): New.
775 (function): Change the type of x_used_temp_slots to
776 VEC(temp_slot_p,gc) *.
778 2006-04-18 Nick Clifton <nickc@redhat.com>
780 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
781 flag_strength_reduce.
783 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
785 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
789 Partial revert of revision 112637
790 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
791 Dale Johannesen <dalej@apple.com>
794 * regclass.c (struct reg_pref): Update documentation.
795 (regclass): Set prefclass to NO_REGS if memory is the best option.
796 (record_reg_classes): Cope with a prefclass set to NO_REGS.
798 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
800 PR tree-optimization/26821
801 * tree-ssa-math-opts.c (get_constant_one): New.
802 (insert_reciprocals): Use it.
804 2006-04-17 Geoffrey Keating <geoffk@apple.com>
806 * dwarf2out.c (free_AT): Delete.
807 (remove_AT): Update string ref counts.
808 (remove_child_TAG): Don't call free_die.
810 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
812 (prune_unused_types_walk_attribs): Reset string refcounts.
813 (prune_unused_types_update_strings): New.
814 (prune_unused_types_prune): Don't make unnecessary stores. Don't
815 call free_die. Do call prune_unused_types_update_strings.
816 (prune_unused_types): Empty debug_str_hash.
818 2006-04-17 Roger Sayle <roger@eyesopen.com>
820 * expr.c (expand_assignment): Optimize away no-op moves where the
821 source and destination are equal and have no side-effects.
823 2006-04-17 Richard Guenther <rguenther@suse.de>
826 * reload.c (push_reload): Guard calls to get_secondary_mem
829 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
831 * alias.c (reg_base_value, old_reg_base_value): Change the
832 type to VEC(rtx,gc) *.
833 (REG_BASE_VALUE, find_base_value, record_set,
834 init_alias_analysis): Use VEC instead of VARRAY.
836 * alias.c (alias_sets): Change the type to
837 VEC(alias_set_entry,gc) *.
838 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
839 VEC instead of VARRAY.
840 (last_alias_set): Remove.
842 * cgraph.h (cgraph_edge_p): New.
843 Update the prototype of cgraph_function_versioning.
844 * cgraphunit.c (cgraph_copy_node_for_versioning,
845 cgraph_function_versioning): Use VEC instead of VARRAY.
846 * ipa-cp.c (ipcp_insert_stage): Likewise.
848 2006-04-16 Roger Sayle <roger@eyesopen.com>
851 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
852 "A op B" or "A op C", we may need to convert A to the type of B and C.
854 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
856 * target.h (struct gcc_target): Add mode_rep_extended.
857 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
858 (init_num_sign_bit_copies_in_rep): Initialize it using
860 (truncate_to_mode): Use it.
861 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
862 * targhooks.h (default_mode_rep_extended): Declare it.
863 * targhooks.c (default_mode_rep_extended): Define it.
864 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
865 default_mode_rep_extended.
866 (TARGET_INITIALIZER): Include it.
867 * doc/tm.texi (Misc): Document it.
868 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
869 (mips_truncated_to_mode): New function.
871 2006-04-16 Roger Sayle <roger@eyesopen.com>
874 * expr.c (compress_float_constant): Copy the narrow constant into
875 a new pseudo before extending it to its final width.
877 2006-04-16 Roger Sayle <roger@eyesopen.com>
878 Andrew Pinski <pinskia@gcc.gnu.org>
879 Dale Johannesen <dalej@apple.com>
882 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
883 special case code to implement V8HImode and V16QImode with SSE2.
885 2006-04-15 Roger Sayle <roger@eyesopen.com>
887 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
888 trees are constructed with a suitable tree type.
890 2006-04-15 Roger Sayle <roger@eyesopen.com>
892 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
893 (integer_onep): Likewise.
894 (integer_all_onesp): Likewise.
895 (integer_pow2p): Likewise.
896 (integer_nonzerop): Likewise.
897 (real_zerop): Likewise.
898 (real_onep): Likewise.
899 (real_twop): Likewise.
900 (real_minus_onep): Likewise.
901 (int_size_in_bytes): Likewise.
902 (host_integerp): Likewise.
904 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
906 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
907 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
908 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
910 * tree-ssa-structalias.h (alias_info): Remove num_references.
912 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
914 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
915 (output_bvb patterns): Likewise.
916 * pa.c (output_bb): Use 'bb' insn for long branch case.
917 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
918 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
919 1. Correct length operand for alternatives 1 and 2.
920 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
921 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
923 2006-04-14 Roger Sayle <roger@eyesopen.com>
925 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
926 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
927 were accidentally reverted by r112959.
929 2006-04-15 Jakub Jelinek <jakub@redhat.com>
932 * except.h (eh_region_outermost): New prototype.
933 * except.c (eh_region_outermost): New function.
934 * tree-cfg.c (find_outermost_region_in_block): Use it.
936 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
938 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
940 * reload1.c (reg_equiv_memory_loc_varray): Rename to
941 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
942 (init_reload, reload): Use VEC instead of VARRAY.
943 * reload.h: Update the prototype for
944 reg_equiv_memory_loc_varray.
946 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
947 Eric Botcazou <ebotcazou@libertysurf.fr>
949 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
952 2005-04-13 Uros Bizjak <uros@kss-loka.si>
955 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
956 to expand fallback builtin function call.
958 2006-04-14 Alan Modra <amodra@bigpond.net.au>
961 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
962 and emit libcall here in case the builtin fails.
963 (expand_builtin_strcmp): Always emit the libcall here on failure.
965 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
967 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
968 * flow.c (reg_n_info): Change the type to
969 VEC(reg_info_p,heap) *.
970 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
972 * regs.h (reg_info_p): New.
973 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
974 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
975 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
978 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
980 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
982 * params.h (MAX_SCHED_READY_INSNS): New macro.
983 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
984 past MAX_SCHED_READY_INSNS during the first scheduling pass.
985 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
986 the ready list for 1 cycle during the first scheduling pass.
987 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
989 2006-04-13 Richard Henderson <rth@redhat.com>
992 * gimple-low.c (lower_omp_directive): Remove dead code.
993 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
994 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
995 * omp-low.c (struct omp_region): Move to tree-flow.h.
996 (root_omp_region): Export.
997 (omp_regions, lookup_omp_region): Remove.
998 (determine_parallel_type): Update for struct omp_region changes.
999 (dump_omp_region): Dump regions with block numbers.
1000 (new_omp_region): Take type and block instead of stmt; malloc
1002 (free_omp_region_1, free_omp_regions): New.
1003 (expand_parallel_call): Take entry_stmt as argument; update for
1004 changes to omp_region.
1005 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
1006 (remove_exit_barriers): New.
1007 (expand_omp_parallel): Update for struct omp_region changes.
1008 (expand_omp_synch): Likewise.
1009 (expand_omp): Likewise.
1010 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
1011 (expand_omp_for_static_chunk): Likewise.
1012 (expand_omp_for): Likewise.
1013 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
1014 (expand_omp_sections): Similarly, with GOMP_sections_end.
1015 (expand_omp_single): New.
1016 (build_omp_regions_1): Update for OMP_CONTINUE.
1017 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
1018 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
1019 OMP_SECTIONS_SECTIONS.
1020 (lower_omp_single_simple): Don't emit barrier here.
1021 (lower_omp_single_copy): Likewise.
1022 (lower_omp_single): Fix bindings, and lower to straightline now.
1023 (lower_omp_master, lower_omp_ordered): Likewise.
1024 (lower_omp_critical): Likewise.
1025 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
1026 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
1027 omp edges, free it afterward.
1028 (make_omp_sections_edges): Remove.
1029 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
1030 (move_stmt_r): Handle OMP_CONTINUE.
1031 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
1032 statement pointers to basic blocks. Add type member.
1033 (root_omp_region, new_omp_region, free_omp_regions): Declare.
1034 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
1035 * tree-inline.c (estimate_num_insns_1): Likewise.
1036 * tree-pretty-print.c (dump_generic_node): Likewise.
1037 * tree-ssa-operands.c (get_expr_operands): Likewise.
1038 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
1039 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
1040 (OMP_CONTINUE): New.
1041 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
1042 (OMP_SECTIONS_SECTIONS): Remove.
1043 (OMP_SECTION_LAST): New.
1044 (OMP_RETURN_NOWAIT): New.
1046 2006-04-13 Roger Sayle <roger@eyesopen.com>
1048 * fold-const.c (native_encode_vector, native_interpret_real):
1049 Correct obvious mistakes in the previous check-in.
1051 2006-04-13 Roger Sayle <roger@eyesopen.com>
1053 * fold-const.c (native_encode_expr): New function to encode
1054 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
1055 or VECTOR_CST into a specified buffer.
1056 (native_encode_int): New function.
1057 (native_encode_real): New function.
1058 (native_encode_complex): New function.
1059 (native_encode_vector): New function.
1060 (native_interpret_expr): Inverse of native_encode_expr to convert
1061 a target representation into an INTEGER_CST, REAL_CST etc...
1062 (native_interpret_int): New function.
1063 (native_interpret_real): New function.
1064 (native_interpret_complex): New function.
1065 (native_interpret_vector): New function.
1066 (fold_view_convert_expr): New function to constant fold/evaluate
1067 a VIEW_CONVERT_EXPR of a suitable constant expression.
1068 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1069 Change call of build1 to fold_build1 when constructing a
1072 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1073 Ulrich Weigand <uweigand@de.ibm.com>
1076 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1079 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1082 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1083 optimize to lo_sum for DFmode if !TARGET_FPRS.
1085 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1087 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1088 delete_alias_info, compute_flow_sensitive_aliasing,
1089 group_aliases): Use VEC instead of VARRAY.
1090 * tree-ssa-structalias.c (update_alias_info): Likewise.
1091 * tree-ssa-structalias.h (alias_info): Change the type of
1092 processed_ptrs to VEC(tree,heap) *.
1094 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1097 * config/sh/lib1funcs.h: New file, broken out of:
1098 * config/sh/lib1funcs.asm.
1099 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1101 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1102 * config/sh/lib1funcs-Os-4-200.asm: New file.
1103 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1104 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1105 (EXTRA_MULTILIB_PARTS): Include it.
1106 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1107 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1108 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1109 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1112 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1114 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1115 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1116 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1118 * tree-ssa-live.h: Include vecprim.h.
1119 (tree_partition_associator_d): Change the type of
1120 first_partition to VEC(int,heap) *.
1121 (tpa_first_partition): Use VEC instead of VARRAY.
1123 * Makefile.in (GTFILES): Move functions.h after tree.h.
1124 * function.c (reset_block_changes, record_block_change,
1125 check_block_change, free_block_changes): Use VEC instead of
1127 * function.h (function): Change the type of
1128 ib_boundaries_block to VEC(tree,gc) *.
1129 * tree-inline.c (copy_cfg_body): Initialize
1130 ib_boundaries_block to NULL instead of (varray_type) 0.
1132 2006-04-12 Roger Sayle <roger@eyesopen.com>
1134 * expr.c (emit_group_store): Correct operand order in call to
1135 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1136 a SUBREG_BYTE of zero.
1138 2006-04-12 Richard Guenther <rguenther@suse.de>
1140 * profile.c (compute_branch_probabilities): Remove code
1141 encapsulated in !ir_type (), which are remanents of the
1142 removed RTL profiling code.
1143 * rtl-profile.c: Remove.
1145 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1147 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1148 magic NULL_RTX comment.
1149 (function_arg): Store entire fp arg to mem if any part should go
1151 (rs6000_arg_partial_bytes): Adjust for above change.
1153 2006-04-11 Roger Sayle <roger@eyesopen.com>
1155 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1156 if it hasn't been initialized by dwarf2out_init.
1158 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1160 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1161 symbolic constants in branch patterns.
1163 2006-04-11 Roger Sayle <roger@eyesopen.com>
1165 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1167 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1169 PR rtl-optimization/27073
1170 * gcse.c (try_replace_reg): Revert last change. Continue to search
1171 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1174 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1176 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1177 aggregate types other than record and union types.
1178 (function_arg): Likewise.
1179 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1181 (function_value): In 64-bit mode, return objects that require it
1184 2006-04-11 Roger Sayle <roger@eyesopen.com>
1186 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1188 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1190 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1192 2006-04-03 Jeff Law <law@redhat.com>
1195 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1196 alias information too.
1198 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1200 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1202 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1205 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1206 (premark_used_types_helper): New.
1207 (premark_used_types): New.
1208 (gen_subprogram_die): Call premark_used_types.
1209 (prune_unused_types_walk): Do not prune perennial dies.
1210 * function.c (used_types_insert): New.
1211 * function.h (struct function): Add used_types_hash field.
1212 (used_types_insert): Add prototype.
1213 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1214 * c-parser.c (c_parser_cast_expression): Save casted types in used
1217 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1220 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1221 rs6000_explicit_options.float_gprs.
1223 2006-04-10 Roger Sayle <roger@eyesopen.com>
1225 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1226 from ix86_expand_vector_init_low_nonzero. Take an additional
1227 one_var argument indicating which element is non-zero. Support
1228 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1229 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1230 with one_var instead of ix86_expand_vector_init_low_nonzero.
1232 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1234 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1235 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1236 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1237 build/genextract.o): Depend on vecprim.h.
1238 * cfglayout.c, df-problems.c, function.c, genextract.c,
1239 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1240 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1244 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1246 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1247 Declare VECs of this type.
1248 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1249 (remove_children): Delete.
1250 (add_dwarf_attr): Use VEC routines.
1251 (add_AT_flag): Update for changes to add_dwarf_attr.
1252 (add_AT_int): Likewise.
1253 (add_AT_unsigned): Likewise.
1254 (add_AT_long_long): Likewise.
1255 (add_AT_vec): Likewise.
1256 (add_AT_string): Likewise.
1257 (add_AT_die_ref): Likewise.
1258 (add_AT_fde_ref): Likewise.
1259 (add_AT_loc): Likewise.
1260 (add_AT_loc_list): Likewise.
1261 (add_AT_addr): Likewise.
1262 (add_AT_lbl_id): Likewise.
1263 (add_AT_lineptr): Likewise.
1264 (add_AT_macptr): Likewise.
1265 (add_AT_offset): Likewise.
1266 (add_AT_range_list): Likewise.
1267 (get_AT): Use VEC_iterate.
1268 (remove_AT): Use VEC_ordered_remove.
1269 (free_die): Fold remove_children into here; have it use VEC_iterate.
1270 (print_die): Use VEC_iterate on attrs.
1271 (reverse_die_lists): Don't reverse attr lists.
1272 (die_checksum): Use VEC_iterate on attrs.
1273 (same_die_p): Likewise.
1274 (output_location_lists): Likewise.
1275 (build_abbrev_table): Likewise.
1276 (size_of_die): Likewise.
1277 (unmark_all_dies): Likewise.
1278 (output_abbrev_section): Likewise.
1279 (output_die): Likewise.
1280 (prune_unused_types_walk_attribs): Likewise.
1282 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1284 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1286 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1289 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1291 2006-04-09 Roger Sayle <roger@eyesopen.com>
1293 * expr.c (store_constructor): Don't bother clearing target if
1294 we're about to assign a vector to it using vec_init_optab.
1296 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1298 * tree-ssa-alias.c (lhs_may_store_to): New function.
1299 (recalculate_used_alone): Handle LHS of calls.
1301 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1305 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1306 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1307 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1308 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1309 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1310 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1311 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1312 stubs. Add ".align 8" directives before all ".dword" directives.
1313 (GTHREAD_USE_WEAK): Revise comment.
1314 (TARGET_ATTRIBUTE_WEAK): Define.
1315 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1316 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1317 * stublib.c: New file.
1322 * pa.md (cbranch patterns): Revise arguments used in calls to
1323 output_cbranch, output_bb and output_bvd. Add long branch length
1325 (fbranch patterns): Handle long branches.
1326 (jump): Revise length check. Revise arguments for output_lbranch call.
1327 Add long branch length attributes.
1328 (decrement_and_branch_until_zero): Add long branch length attributes.
1329 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1330 Likewise. Revise arguments for output_parallel_addb and
1331 output_parallel_movb calls.
1332 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1333 output_parallel_movb and output_parallel_addb): Update prototypes.
1334 * pa.c (output_cbranch): Revise arguments. Correct handling of
1335 nullification in long branches.
1336 (output_lbranch): Add new argument to control extraction of delay
1338 (output_bb): Handle long branches.
1339 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1340 output_parallel_addb): Likewise.
1342 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1344 PR rtl-optimization/27073
1345 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1348 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1350 * tree.h (tree_memory_tag): Add old_used_alone.
1351 (SMT_OLD_USED_ALONE): New macro.
1352 * tree-ssa-alias.c (recalculate_used_alone): Stop
1353 marking things for renaming unnecessarily.
1355 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1357 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1358 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1359 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1360 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1361 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1362 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1363 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1364 spelling convensions.
1365 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1366 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1367 typos. Follow spelling conventions.
1369 2006-04-07 DJ Delorie <dj@redhat.com>
1371 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1372 passed on the stack.
1373 (m32c_init_cumulative_args): When a function returns a structure,
1374 always pass the pointer to that return area on the stack.
1375 (m32c_function_arg_advance): Don't increment the parameter number
1376 if we're processing the returned structure pointer.
1377 (pushm_info): Reverse order of registers.
1379 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1381 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1382 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1383 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1384 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1386 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1387 chrec_fold_multiply): Same.
1388 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1389 force_expr_to_var_cost): Same.
1390 * tree-mudflap.c (mf_xform_derefs_1): Same.
1391 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1393 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1395 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1396 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1399 2006-04-07 Jan Hubicka <jh@suse.cz>
1401 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1403 2006-04-07 Richard Guenther <rguenther@suse.de>
1405 PR tree-optimization/26135
1406 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1407 loads for store copy-prop.
1408 (copy_prop_visit_stmt): Likewise.
1410 2006-04-05 Robert Millan <robertmh@gnu.org>
1412 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1413 being overriden in config/k*bsd-gnu.h.
1414 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1416 * gcc/config/knetbsd-gnu.h: Ditto.
1418 2006-04-06 Jan Hubicka <jh@suse.cz>
1422 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1425 2006-04-06 Mike Stump <mrs@apple.com>
1427 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1428 for HAVE_nonlocal_goto to be consistent.
1429 (expand_builtin_nonlocal_goto): Likewise.
1430 (expand_builtin_strcmp): Use #ifdef instead of #if
1431 for HAVE_cmpstrnsi to be consistent.
1433 2006-04-05 DJ Delorie <dj@redhat.com>
1435 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1438 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1440 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1441 got-relative addressing for anything but SImode.
1443 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1444 even if the calling function doesn't modify them.
1446 2006-04-05 Richard Guenther <rguenther@suse.de>
1448 PR tree-optimization/26919
1449 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1450 to cgraph_estimate_size_after_inlining.
1452 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1454 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1456 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1458 PR tree-optimization/26996
1459 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1460 VECTOR_TYPE variables.
1462 2006-04-05 Richard Guenther <rguenther@suse.de>
1464 PR tree-optimization/26763
1465 * fold-const.c (fold_comparison): Move folding of
1466 PTR + CST CMP PTR + CST ...
1467 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1469 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1471 * doc/install.texi (Prerequisites): Refine some wording on
1472 bootstrapping and ksh.
1473 Move the version numbers of DejaGnu here from the testing section
1474 and fix casing of names.
1475 Fix markup and clarify wording for autogen requirements.
1476 Refer to GCJ instead of just java.
1477 Refer to SVN instead of CVS.
1478 Describe diffutils as useful instead of necessary.
1479 (Downloading the source): Refer to SVN instead of CVS.
1480 Adjust a link to our web site accordingly.
1481 (Configuration): Fix casing of Bison.
1482 (Building): Refer to SVN instead of CVS.
1483 Fix a sentence on the use of Bison and remove duplicate (and
1484 incorrect) version number of Bison requirement.
1485 Remove one redundant list of packages needed for building.
1486 (Specific): Avoid reference to CVS.
1488 2006-04-04 Eric Christopher <echristo@apple.com>
1490 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1491 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1492 (rs6000_handle_struct_attribute): New.
1493 (rs6000_ms_bitfield_layout_p): Ditto.
1495 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1497 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1498 NULL for dso parameter to atexit_common.
1500 2006-04-04 Eric Christopher <echristo@apple.com>
1502 * config/i386/i386.c (machopic_output_stub): Output \t
1503 between instructions and operands.
1505 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1507 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1508 satisfies_constraint_[IL] to explicit tests on value.
1510 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1512 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1513 set_nb_iterations_in_loop): Use build_int_cst instead of
1515 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1516 build_int_cst instead of convert.
1518 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1520 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1521 new value 2 for incoming.
1522 * function.c (expand_function_start): Call struct_value_rtx
1524 * config/sparc/sparc.md: Comment updated_return.
1525 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1526 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1527 struct return if sparc_std_struct_return and incoming is 2.
1528 (print_operand): Do not adjust return if
1529 sparc_std_struct_return.
1531 2006-04-04 Roger Sayle <roger@eyesopen.com>
1533 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1534 convert in the middle-end.
1535 * expr.c (store_expr, store_constructor, get_inner_reference,
1536 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1538 * tree.c (build_range_type): Likewise.
1540 2006-04-04 Tom Tromey <tromey@redhat.com>
1542 * doc/install.texi (Prerequisites): Mention jar.
1544 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1546 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1549 2006-04-04 Matthias Klose <doko@debian.org>
1551 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1552 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1555 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1557 * doc/extend.texi (Function Attributes): Rewrite visibility
1558 attribute documentation.
1559 * doc/invoke.texi (C++ Dialect Options): Rewrite
1560 -fvisibility-inlines-hidden documentation to describe something
1561 entirely different, although in practise compatible.
1562 (Code Gen Options): Warn about system headers in -fvisibiltity=
1565 * doc/extend.texi (Other Builtins): Document that
1566 __builtin_nan is a compile-time constant only when its argument
1569 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1571 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1572 trying to remove TRUNCATE check if all bits outside the new mode
1573 are identical to the sign bit.
1575 2006-04-03 Jeff Law <law@redhat.com>
1577 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1578 and operand scanning in some common cases.
1580 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1581 Dale Johannesen <dalej@apple.com>
1584 * regclass.c (struct reg_pref): Update documentation.
1585 (regclass): Set prefclass to NO_REGS if memory is the best option.
1586 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1587 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1588 into account. For non-registers, equate an empty preferred
1589 reload class to a `!' in the constraint; move the if clause to
1590 do so after those that reject the insn.
1591 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1593 (find_dummy_reload): Likewise.
1594 * doc/tm.texi (Register Classes): Document what it means
1595 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1596 * config/i386/i386.c (ix86_preferred_reload_class): Force
1597 using SSE registers (and return NO_REGS for floating-point
1598 constants) if math is done with SSE.
1599 (ix86_preferred_output_reload_class): New.
1600 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1601 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1602 * config/i386/i386.md: Remove # register preferences.
1604 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1607 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1608 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1609 the type of nb_iter.
1610 (instantiate_parameters_1): Convert the operands before calling
1611 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1612 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1614 2006-04-02 Roger Sayle <roger@eyesopen.com>
1616 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1617 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1619 * dojump.c (do_jump): Likewise.
1620 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1621 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1622 gimplify_boolean_expr): Likewise.
1623 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1624 * varasm.c (array_size_for_constructor): Likewise.
1625 * tree-object-size.c (compute_object_offset): Likewise.
1627 2006-04-02 Roger Sayle <roger@eyesopen.com>
1630 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1631 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1633 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1635 PR tree-optimization/26939
1636 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1638 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1640 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1641 at_stmt. Convert the type of operands before calling
1642 build_polynomial_chrec.
1643 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1645 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1646 (instantiate_parameters_1): Convert the type of operands before calling
1647 build_polynomial_chrec.
1648 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1649 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1650 reset_evolution_in_loop): Insert asserts to check the types of the
1652 (chrec_type): Moved...
1653 (eq_evolutions_p): Use operand_equal_p.
1654 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1655 the types of the operands.
1656 (chrec_type): ...here.
1657 * tree-data-ref.c (create_data_ref): Convert the operands before
1658 calling chrec_replace_initial_condition.
1659 (same_access_functions, analyze_subscript_affine_affine,
1660 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1661 (compute_subscript_distance, analyze_ziv_subscript,
1662 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1663 analyze_miv_subscript): Convert the operands before calling
1664 chrec_fold_minus or chrec_fold_plus.
1666 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1668 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1669 the dependence_relations vector.
1670 (compute_data_dependences_for_loop): Adjust call to
1671 compute_all_dependences.
1673 2006-04-01 Roger Sayle <roger@eyesopen.com>
1674 Richard Henderson <rth@redhat.com>
1676 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1677 gimple_boolify on the condition before calling gimplify_expr.
1679 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1681 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1682 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1683 the frame size. Update to use the new macros.
1684 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1685 * config/xtensa/ieee754-df.S: Likewise.
1687 2006-03-31 Richard Henderson <rth@redhat.com>
1689 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1690 (make_edges): ... here. Control fallthru creation with a local
1691 variable. Do not play with fake edges.
1692 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1693 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1696 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1698 * dwarf2.h (DW64_CIE_ID): Define.
1699 * dwarf2out.c (DWARF_CIE_ID): Define.
1700 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1701 length header. Use DWARF_CIE_ID.
1702 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1703 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1705 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1707 * config/sh/linux-atomic.asm: New file.
1708 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1710 2006-03-31 DJ Delorie <dj@redhat.com>
1712 * config/m32c/cond.md: Set condition flags properly throughout.
1713 * config/m32c/minmax.md: Likewise.
1714 * config/m32c/prologue.md: Likewise.
1715 * config/m32c/bitops.md: Likewise.
1716 * config/m32c/muldiv.md: Likewise.
1717 * config/m32c/mov.md: Likewise.
1718 * config/m32c/addsub.md: Likewise.
1719 * config/m32c/m32c.md: Likewise.
1720 * config/m32c/jump.md: Likewise.
1721 * config/m32c/shift.md: Likewise.
1723 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1724 conditionally output the pattern for this.
1725 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1726 (m32c_compare_redundant): New.
1727 (m32c_output_compare): New.
1728 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1730 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1731 dest, not src. Allow other 4-byte modes.
1733 2006-03-30 Denis Chertykov <denisc@overta.ru>
1735 * doc/md.texi: Refer to avr/constraints.md instead of
1738 2006-03-30 Roger Sayle <roger@eyesopen.com>
1740 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1741 signed vs. unsigned comparison failures on some hosts.
1743 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1746 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1747 change to FLOAT_REGS.
1749 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1750 (rs6000_override_options): Use it.
1751 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1752 only for -mabi=spe/no-spe and -mabi=altivec.
1754 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1756 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1759 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1761 * Makefile.in: Rename docdir to gcc_docdir.
1763 2006-03-30 Roger Sayle <roger@eyesopen.com>
1766 * expr.c (emit_group_store): Optimize group stores into a pseudo
1767 register by using a paradoxical subreg to initialize the destination
1768 if the first or last member of the group specifies a "low part".
1770 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1773 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1774 * target.h (struct gcc_target.speculate_insn): Change type of the
1775 second parameter to 'int'.
1776 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1777 the second operand of the DEPS_LIST.
1778 (copy_DEPS_LIST_list): Update reference to the second operand of the
1780 * rtl.h (alloc_DEPS_LIST): Update signature.
1781 * sched-int.h (ds_t): Change typedef to 'int'.
1782 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1784 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1786 * haifa-sched.c (try_ready): Change condition to restore
1787 non-speculative pattern of the instruction.
1788 (process_insn_depend_be_in_spec): Code to keep probability of the
1789 speculative dependence non-decreasing.
1791 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1793 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1794 (single_move_for_movmem): ... this. Also change all uses.
1795 (bfin_expand_strmov): Renamed to...
1796 (bfin_expand_movmem): ... this. Also change all uses.
1797 * config/bfin/bfin.md (movstrsi): Renamed to...
1798 (movstrsi): ...this.
1800 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1802 PR tree-optimization/26830
1804 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1805 (copy_prop_visit_stmt): Remove write-only variable ann.
1806 (init_copy_prop): Check variable loop depth here. Do not simulate
1807 memory-tag and virtual operand PHIs except for store copy prop.
1809 2006-03-30 Richard Guenther <rguenther@suse.de>
1811 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1812 variants with double arguments.
1814 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1816 * genpreds.c (write_tm_constrs_h): Delete variable p.
1817 * genconditions.c (write_header): Add tm-constrs.h to included
1819 * genpeep.c (main): Add toplev.h to included headers.
1820 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1821 (build/genpeep.o): Add toplev.h dependency.
1822 * config/rs6000/constraints.md: Add "W" constraint.
1824 2006-03-29 Roger Sayle <roger@eyesopen.com>
1826 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1827 sizes by correctly testing whether the size fits a host integer.
1828 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1829 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1830 SImode range for the default sizetype and bitsizetype.
1832 2006-03-29 Roger Sayle <roger@eyesopen.com>
1834 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1835 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1836 quickly if the argument is already of the correct type.
1837 Call fold_build1 instead of build1. Tidy up blank lines.
1839 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1841 * genemit.c (main): Add tm-constrs.h to included headers.
1842 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1843 * genpeep.c (main): Add tm-constrs.h to included headers.
1844 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1845 (write_tm_constrs_h): this and write complete file.
1846 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1847 (write_insn_preds_c): Add tm-constrs.h to included headers.
1848 (gen_constrs): New variable.
1849 (parse_option): Parse "-c".
1850 (main): Invoke write_tm_constrs_h.
1851 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1852 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1853 (object_out_file): Add tm-constrs.h dependency.
1854 (insn-emit.o): Same.
1855 (insn-output.o): Same.
1856 (insn-peep.o): Same.
1857 (insn-preds.o): Same.
1858 (insn-recog.o): Same.
1859 (tm-constsr.h): New target.
1860 (s-constrs-h): New target.
1862 * config/rs6000/constraints.md: New file.
1863 * config/rs6000/rs6000.c: Include tm-constrs.h.
1864 (num_insn_constant_wide): Convert to satisfies_constraint.
1865 (rs6000_rtx_costs): Convert to satisfies_constraint.
1866 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1867 (CONST_OK_FOR_LETTER_P): Delete.
1868 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1869 (EXTRA_CONSTRAINT): Delete.
1870 (EXTRA_MEMORY_CONSTRAINT): Delete.
1871 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1872 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1873 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1874 satisfies_constraint.
1876 * config/i386/i386.c: Include tm-constrs.h.
1878 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1880 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1881 * tree-data-ref.c (find_data_references_in_loop,
1882 compute_data_dependences_for_loop): Use pointers to VEC.
1883 (analyze_all_data_dependences): Adjust calls.
1884 * tree-data-ref.h (find_data_references_in_loop,
1885 compute_data_dependences_for_loop): Adjust declarations.
1886 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1887 compute_data_dependences_for_loop.
1889 2006-03-29 Paul Brook <paul@codesourcery.com>
1891 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1894 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1896 PR tree-optimization/26859
1897 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1899 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1900 for the step after fold_convert.
1902 2006-03-29 Paul Brook <paul@codesourcery.com>
1904 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1905 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1907 2006-03-29 Paul Brook <paul@codesourcery.com>
1910 * targhooks.c (default_narrow_bitfield): New fuction.
1911 * targhooks.h (default_narrow_bitfield): add prototype.
1912 * target.h (gcc_target): Add narrow_volatile_bitfield.
1913 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1914 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1915 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1916 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1918 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1920 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1922 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1923 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1924 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1925 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1926 (s390_function_arg_float): Allow SDmode and DDmode values to be
1927 passed in floating point registers.
1928 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1929 check with SCALAR_FLOAT_MODE_P.
1930 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1932 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1934 PR tree-optimization/25985
1935 * tree-ssa-loop-niter.c (number_of_iterations_le,
1936 number_of_iterations_ne): Make comments more precise.
1937 (number_of_iterations_cond): Add only_exit argument. Use the
1938 fact that signed variables do not overflow only when only_exit
1940 (loop_only_exit_p): New.
1941 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1942 number_of_iterations_cond.
1944 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1946 PR tree-optimization/26643
1947 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1950 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1952 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1953 (divsi3_i4_int): Likewise.
1955 2006-03-28 Roger Sayle <roger@eyesopen.com>
1957 * expr.c (emit_group_store): Only create a new pseudo reg if the
1958 quantity it needs to hold isn't already a suitable pseudo.
1960 2006-03-28 Jeff Law <law@redhat.com>
1962 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1963 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1965 2006-03-28 Roger Sayle <roger@eyesopen.com>
1967 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1968 the equivalent ~X & Y, and the symmetry related transformations.
1969 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1970 ~X & Y, and symmetry related transforms.
1972 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1974 Revert my 2006-03-27 patches.
1976 2006-03-28 Roger Sayle <roger@eyesopen.com>
1978 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1979 ~(T1)X, when T1 and T2 are integer types of the same precision
1980 and (T2)X isn't an extension.
1982 2006-03-28 Jeff Law <law@redhat.com>
1984 PR tree-optimization/26796
1985 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1986 need EH edge cleanups rather than purging them immediately.
1987 (eliminate_degenerate_phis): Handle queued EH cleanups.
1989 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1991 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1994 2006-03-27 Roger Sayle <roger@eyesopen.com>
1997 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1998 cast BIT_NOT_EXPR operand to the correct type.
2000 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
2002 * tree-loop-linear.c: Don't include varray.h.
2003 (gather_interchange_stats, try_interchange_loops,
2004 linear_transform_loops): Use VEC instead of VARRAY.
2005 * lambda-mat.c: Don't include varray.h.
2006 * tree-chrec.c: Same.
2007 * lambda-trans.c: Same.
2008 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
2009 VEC instead of VARRAY.
2010 * tree-vectorizer.h: Idem.
2011 * tree-data-ref.c (dump_data_references,
2012 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
2013 initialize_data_dependence_relation, finalize_ddr_dependent,
2014 compute_all_dependences, find_data_references_in_loop,
2015 compute_data_dependences_for_loop, analyze_all_data_dependences,
2016 free_dependence_relation, free_dependence_relations,
2017 free_data_refs): Idem.
2018 * tree-data-ref.h (data_reference_p, subscript_p): New.
2019 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
2020 VEC instead of VARRAY.
2021 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
2022 (find_data_references_in_loop, compute_data_dependences_for_loop,
2023 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
2024 dump_data_dependence_relations, free_dependence_relations,
2025 free_data_refs): Adjust declaration.
2026 (lambda_transform_legal_p): Move declaration here...
2027 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
2028 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
2029 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
2030 vect_analyze_data_refs): Use VEC instead of VARRAY.
2031 * lambda.h (lambda_transform_legal_p): ...from here.
2032 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
2033 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
2034 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
2035 tree-chrec.o): Don't depend on VARRAY_H.
2037 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2039 * rtl.def (Copyright): Update date.
2040 (DEPS_LIST): Change type of the second operand to 'int'.
2041 * target.h (Copyright): Update date.
2042 (struct gcc_target.speculate_insn): Change type of the second parameter
2044 * lists.c (Copyright): Update date.
2045 (alloc_DEPS_LIST): Change signature. Update reference to the second
2046 operand of the DEPS_LIST.
2047 (copy_DEPS_LIST_list): Update reference to the second operand of the
2049 * rtl.h (Copyright): Update date.
2050 (alloc_DEPS_LIST): Update signature.
2051 * sched-int.h (Copyright): Update date.
2052 (ds_t): Change typedef to 'int'.
2053 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2055 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2057 * haifa-sched.c (Copyright): Update date.
2058 (try_ready): Change condition to restore non-speculative pattern
2060 (process_insn_depend_be_in_spec): Code to keep probability of the
2061 speculative dependence non-decreasing.
2063 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2065 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2066 shut up the compiler.
2068 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2070 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2071 to use lib prefix for target.
2072 ($(T)libic_invalidate_array_4-200.a): Likewise.
2073 ($(T)libic_invalidate_array_4a.a): Likewise.
2075 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2076 J"orn Rennecke <joern.rennecke@st.com>
2078 * superh.opt: New file.
2079 * sh.c (boardtype, osruntime): Remove.
2080 * superh.h (SUBTARGET_OPTIONS): Remove.
2081 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2083 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2084 arguments with ^ and/or [].
2086 * config.gcc (sh-*-*): Add quoting to account for quirk of
2088 Replace == with = in enable_incomplete_targets test.
2090 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2091 with MASK_LITTLE_ENDIAN.
2093 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2094 * config/sh/sh.opt: Added to some comments.
2095 * config/sh/superh.h: Removed some chaff.
2097 * config/sh/sh.opt: Add m4-[1234]00* options.
2098 * config/sh/sh.c (sh_handle_option): Likewise.
2099 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2100 (ic_invalidate_array_4-100.o): New rule.
2101 ($(T)libic_invalidate_array_4-100.a): Likewise.
2102 (ic_invalidate_array_4-200.o): Likewise.
2103 ($(T)libic_invalidate_array_4-200.a): Likewise.
2104 (ic_invalidate_array_4a.o): Likewise.
2105 ($(T)libic_invalidate_array_4a.a): Likewise.
2106 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2107 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2109 * config/sh/crt1.asm: Merged in profiling code.
2110 * config/sh/superh.h (STARTFILE_SPEC): Override.
2111 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2112 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2113 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2115 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2116 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2117 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2119 * sh.opt (mpretend-cmove): New option.
2120 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2121 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2122 (movsicc): Add TARGET_PRETEND_CMOVE code.
2124 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2126 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2127 s390_class_max_nregs): New function prototypes.
2128 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2129 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2130 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2131 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2133 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2135 * dwarf2out.c (add_location_or_const_value_attribute): Call
2136 tree_add_const_value_attribute if nothing else works.
2137 (reference_to_unused): New.
2138 (rtl_for_decl_init): Use reference_to_unused to decide whether
2139 to output an initializer.
2141 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2144 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2145 peephole removing spe frob_di_df_2.
2147 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2149 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2150 (subscript_dependence_tester_1): Declared.
2151 (print_dir_vectors, print_dist_vectors): New.
2152 (debug_data_dependence_relation): New.
2153 (dump_data_dependence_relation): Print more details.
2154 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2155 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2156 (save_dist_v, save_dir_v, add_outer_distances,
2157 build_classic_dist_vector_1): New.
2158 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2159 Don't test for lambda_vector_lexico_pos.
2160 (same_access_functions, add_multivariate_self_dist,
2161 add_other_self_distances, dir_from_dist): New.
2162 (build_classic_dir_vector): Replace implementation almost identical to
2163 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2165 (subscript_dependence_tester_1): New.
2166 (subscript_dependence_tester): Handle the lexicographically negative
2167 distance vectors by recomputing the dependence relation.
2168 (compute_affine_dependence): Remove parameter loop_nest_depth.
2169 (compute_self_dependence): Don't call compute_subscript_distance.
2170 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2171 Add a parameter for the loop_nest.
2172 (find_loop_nest_1, find_loop_nest): New.
2173 (compute_data_dependences_for_loop): Compute the loop nest, and give
2174 up if the nest is not well formed.
2175 * tree-data-ref.h (loop_p): New.
2176 (struct data_dependence_relation): Replace size_vect field with
2177 loop_nest, a vec of loops.
2178 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2179 (DDR_LOOP_NEST): New.
2180 (print_dir_vectors, print_dist_vectors,
2181 debug_data_dependence_relation): Declared.
2182 (index_in_loop_nest): New.
2183 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2184 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2187 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2189 * simplify-rtx.c (simplify_relational_operation): Call
2190 simplify_relational_operation_1 even if mode is VOIDmode.
2192 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2194 PR tree-optimization/26804
2195 * tree.h (DECL_CALL_CLOBBERED): New macro.
2196 (tree_decl_common): Add call_clobbered_flag.
2197 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2198 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2199 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2200 (mark_non_addressable): Ditto.
2201 * tree-ssa.c (verify_call_clobbered): New function.
2202 (verify_alias_info): Use it.
2203 * tree-pass.h (pass_reset_cc_flags): New prototype.
2204 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2205 (reset_cc_flags): New function.
2206 * passes.c (init_optimization_passes): Call reset_cc_flags after
2207 initializing referenced_vars.
2209 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2210 Roger Sayle <roger@eyesopen.com>
2213 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2214 to 1.0 for non-real operands. Implement A / A optimization for
2217 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2219 * config/i386/i386.c (size_cost): Correct the comment for
2220 cost of storing fp registers.
2221 (i386_cost): Likewise.
2222 (i486_cost): Likewise.
2223 (pentium_cost): Likewise.
2224 (pentiumpro_cost): Likewise.
2225 (k6_cost): Likewise.
2226 (athlon_cost): Likewise.
2227 (k8_cost): Likewise.
2228 (pentium4_cost): Likewise.
2229 (nocona_cost): Likewise.
2230 (generic64_cost): Likewise.
2231 (generic32_cost): Likewise.
2233 2006-03-24 Denis Chertykov <denisc@overta.ru>
2235 * config/avr/avr-protos.h (extra_constraint): Delete.
2236 (extra_constraint_Q): New declaration.
2237 * config/avr/constraints.md: New file.
2238 * config/avr/avr.md: Include it.
2239 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2240 (TMP_REGNO, ZERO_REGNO): Likewise.
2241 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2242 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2243 (extra_constraint): Delete.
2244 (extra_constraint_Q): Test for memory constraint 'Q'.
2245 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2246 (REG_CLASS_FROM_LETTER): Delete.
2247 (CONST_OK_FOR_LETTER_P): Delete.
2248 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2249 (EXTRA_CONSTRAINT): Delete.
2250 (TMP_REGNO): Delete.
2251 (ZERO_REGNO): Delete.
2253 2006-03-24 Jeff Law <law@redhat.com>
2255 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2256 directly. Call mark_new_vars_to_rename slightly earlier.
2258 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2260 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2262 (gen_compile_unit_die): Use new language types for Objective-C and
2264 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2265 DW_LANG_C_plus_plus.
2268 * config/t-darwin (crt3.o): Work around bug 26840.
2269 * config/darwin-crt3.c: Rewrite.
2270 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2272 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2274 * doc/invoke.texi: Document -femit-class-debug-always
2275 * common.opt: Add -femit-class-debug-always.
2277 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2279 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2280 index and base register.
2281 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2282 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2283 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2284 REGNO_OK_FOR_INDEX_P.
2285 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2287 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2288 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2289 REG_OK_FOR_BASE_P): Definitions removed.
2291 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2294 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2295 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2296 set yet or weren't marked as local yet.
2298 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2300 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2303 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2305 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2306 (rs6000_legitimate_small_data_p): Delete.
2307 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2308 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2309 and make static. Add forward declaration. Update uses.
2310 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2311 of offsettable_memref_p.
2312 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2313 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2315 2006-03-24 Jeff Law <law@redhat.com>
2317 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2318 around bug in immediate-use iterator.
2320 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2323 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2324 or __LITTLE_ENDIAN__.
2326 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2328 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2329 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2330 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2331 * config/sh/sh.opt (mdiv=): Amend description.
2332 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2333 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2334 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2335 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2336 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2337 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2338 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2339 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2340 TARGET_DIVIDE_CALL_FP.
2342 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2344 * haifa-sched.c (choose_ready): Fix type of the local variable.
2345 Move local variables. Add comment.
2346 (check_reg_live): Change signature. Make callable from debugger.
2347 * sched-int.h (check_reg_live): Update signature.
2348 * sched-ebb.c (check_reg_live): Update parameters.
2349 * sched-rgn.c (check_reg_live): Ditto.
2350 (region_head_or_leaf_p): Check pointer before dereferencing.
2351 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2352 before reload on optimization levels below 1.
2354 2006-03-23 Richard Henderson <rth@redhat.com>
2356 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2360 * config/alpha/predicates.md (local_symbolic_operand): Reject
2363 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2366 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2367 expressions which have overflowed constants.
2369 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2371 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2373 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2375 * cfgloopmanip.c (create_loop_notes): Removed.
2376 * final.c (final_scan_insn): Do not handle loop notes.
2377 * jump.c (squeeze_notes): Ditto.
2378 * cfglayout.c (skip_insns_after_block,
2379 duplicate_insn_chain): Ditto.
2380 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2382 * cfgloop.h (create_loop_notes): Declaration removed.
2384 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2386 * varasm.c (output_constant_pool): Restore fnname and fndecl
2388 (assemble_start_function): Adjust call accordingly.
2389 (assemble_end_function): Likewise.
2391 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2394 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2397 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2399 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2402 * system.h (ICE_EXIT_CODE): New macro.
2403 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2404 (diagnostic_action_after_output): Likewise.
2405 * gcc.c (fatal_ice): New function.
2406 (execute): Use it instead of fatal.
2407 (fancy_abort): Likewise.
2408 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2410 2006-03-22 Jeff Law <law@redhat.com>
2412 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2413 iv_analyze_result returning false.
2415 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2417 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2419 2006-03-22 Richard Henderson <rth@redhat.com>
2422 * except.c (duplicate_eh_regions_0): New.
2423 (duplicate_eh_region_1): Duplicate the children of the node as
2424 well as the node itself. Link them up properly.
2425 (duplicate_eh_region_2): Merge into ...
2426 (duplicate_eh_regions): ... here. Take copy_region argument, and
2427 copy only a sub-tree if asked. Simplify copying and fixup.
2428 (eh_region_outer_p): New.
2429 * except.h (duplicate_eh_regions): Update decl.
2430 (eh_region_outer_p): Declare.
2431 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2432 (lower_omp_master): Likewise.
2433 (lower_omp_ordered): Likewise.
2434 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2435 (move_stmt_r): Use it to remap labels. Handle recursion vs
2436 remap_decls_p properly.
2437 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2438 (find_outermost_region_in_block): New.
2439 (new_label_mapper): New.
2440 (move_sese_region_to_fn): Copy eh information to the new function
2442 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2444 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2447 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2449 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2450 into shared libraries.
2452 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2454 * doc/md.texi: Refer to i386/constraints.md instead of
2456 * config/i386/constraints.md: New file, extracted from...
2457 * config/i386/predicates.md: ...here.
2458 * config/i386/i386.md: Include constraints.md.
2460 2006-03-21 Jason Merrill <jason@redhat.com>
2462 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2465 * expr.c (init_block_move_fn): Force default visibility.
2466 (init_block_clear_fn): Likewise.
2467 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2468 * targhooks.c (default_external_stack_protect_fail): Likewise.
2470 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2472 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2473 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2474 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2475 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2476 (loadgp): Use mips_current_loadgp_style.
2477 (loadgp_noshared): New pattern.
2478 (sibcall_internal): Use MIPS_CALL.
2479 (sibcall_value_internal): Likewise.
2480 (sibcall_value_multiple_internal): Likewise.
2481 (call_internal): Likewise.
2482 (call_value_internal): Likewise.
2483 (call_value_multiple_internal): Likewise.
2484 (call_split): Use MIPS_CALL and add an 'S' constraint.
2485 (call_value_split): Likewise.
2486 (call_value_multiple_split): Likewise.
2487 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2488 (-mshared): New option.
2489 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2490 (mips_current_loadgp_style): Declare.
2491 * config/mips/mips.c (mips_classify_symbol): Avoid using
2492 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2493 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2494 TARGET_ABSOLUTE_ABICALLS.
2495 (override_options): Adjust comments. Improve the warning that is
2496 issued when -mabicalls and -G are used together.
2497 (mips_file_start): Remove comment.
2498 (mips_current_loadgp_style): New function.
2499 (mips_gnu_local_gp): New variable.
2500 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2502 (mips_output_function_prologue): Use mips_current_laodgp_style.
2503 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2504 the cprestore instruction.
2505 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2506 live for TARGET_ABSOLUTE_ABICALLS.
2507 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2508 (ASM_SPEC): Pass down -mshared and -mno-shared.
2509 (MIPS_CALL): New macro.
2510 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2512 * doc/invoke.texi (-mabicalls): Update documentation.
2513 (-mshared): Document.
2515 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2517 * config/ia64/unwind-hpux.c: New file.
2518 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2520 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2523 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2525 2006-03-21 Jeff Law <law@redhat.com>
2527 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2528 type conversions of a VR_VARYING source to a wider type.
2530 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2532 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2533 tm_file on Solaris 10 and later.
2534 (sparc64-*-solaris2*): Likewise.
2535 (sparc-*-solaris2*): Likewise.
2536 * config/sol26.h: Rename to config/sol2-6.h.
2537 * config/sol2-10.h: New file.
2539 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2542 * tree-ssa-pre.c (create_component_ref_by_pieces):
2545 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2548 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2549 return it immediately.
2551 2006-03-21 Michael Matz <matz@suse.de>
2553 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2555 (remove_arc, add_arc): Update num_out_arcs member.
2556 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2558 (cache_presence): New function.
2559 (compare_states_for_equiv): New function.
2560 (state_is_differed): Don't take number of outargs, adjust callers.
2561 Use new invariant for speeding up.
2562 (init_equiv_class): Create initial classes based on sorted
2564 (partition_equiv_class): Don't track out_arcs_num.
2565 (evaluate_equiv_classes): Call cache_presence on all states and
2568 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2570 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2571 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2572 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2573 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2575 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2576 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2577 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2578 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2579 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2581 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2582 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2583 (REGNO_REG_CLASS): ARGP is in PREGS.
2584 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2586 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2587 to deal with those addresses.
2588 * addresses.h: New file.
2589 * caller-save.c: Include "addresses.h".
2590 (init_caller_save): Use new base_reg_class function.
2591 * rtl-factoring.c: Include "addresses.h".
2592 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2593 * recog.c: Include "addresses.h".
2594 (preprocess_constraints): Use new base_reg_class function.
2595 * regrename.c: Include "addresses.h".
2596 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2597 functions. Keep track of a new var INDEX_CODE to compute valid
2599 (replace_oldest_value_addr): Likewise.
2600 (replace_oldest_value_mem): Use base_reg_class.
2601 * reload.c: Include "addresses.h".
2602 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2603 (find_reloads): Use new base_reg_class function.
2604 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2605 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2606 all callers and prototype changed.
2607 * reload1.c: Include "addresses.h".
2608 (maybe_fix_stack_asms): Use base_reg_class.
2609 * regclass.c: Include "addresses.h".
2610 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2611 (init_reg_autoinc): Use new base_reg_class function.
2612 (record_reg_classes): Likewise.
2613 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2614 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2615 Use new args to compute necessary class.
2617 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2618 regrename.o, rtl-factoring.o): Update dependencies.
2619 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2620 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2621 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2622 REG_OK_FOR_INDEX_P): Delete documentation.
2624 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2626 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2627 from V7 to V9 for Solaris 7 and above.
2629 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2631 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2632 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2633 argument pointers may not alias any other storage.
2634 * common.opt: Define option -fargument-noalias-anything.
2635 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2636 alias semantics is specified by flag_argument_noalias > 2.
2638 2006-03-20 Jeff Law <law@redhat.com>
2640 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2641 (pass_phi_only_cprop): Declare.
2642 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2644 * tree-ssa-dom.c (degenerate_phi_result): New function.
2645 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2646 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2647 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2648 (eliminate_degenerate_phis): Likewise.
2649 (pass_phi_only_cprop): New pass descriptor.
2650 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2651 support code. Callers updated.
2652 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2653 (store_copy_prop): Likewise.
2654 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2656 2006-03-20 Jason Merrill <jason@redhat.com>
2659 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2660 (push_visibility, pop_visibility): Likewise.
2661 * c-pragma.h: Declare them.
2663 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2665 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2667 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2668 parameter and use get_ebb_head_tail.
2669 (sh_md_init_global): Adjust uses of find_regmode_weight.
2671 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2673 * function.h (struct function) <x_tail_recursion_reentry>:
2674 Rename to x_stack_check_probe_note.
2675 (tail_recursion_reentry): Rename to stack_check_probe_note.
2676 * function.c: Replace tail_recursion_reentry with
2677 stack_check_probe_note everywhere.
2678 (expand_function_start): Only emit a note for
2679 stack_check_probe_note with -fstack-protect.
2680 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2682 * emit-rtl.c (remove_unnecessary_notes): Remove.
2683 (pass_remove_unnecessary_notes): Remove.
2684 * rtl.h (remove_unnecessary_notes): Remove prototype.
2685 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2686 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2687 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2689 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2692 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2693 (valid_in_set): Handle ARRAY_REF.
2694 Change "if min_variant or VH" to asserts.
2695 (create_component_ref_by_pieces): Handle ARRAY_REF.
2696 (create_expression_by_pieces): Likewise.
2697 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2699 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2701 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2702 is operand of switch, not str[0].
2704 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2706 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2707 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2709 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2711 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2712 end of insn_extra_address_constraint declaration.
2714 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2716 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2717 (no-sum-in-toc): Same.
2718 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2720 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2721 NO_FP_IN_TOC for -fPIC instead of mask.
2723 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2724 (BOOT_LDFLAGS): Delete.
2726 * config/rs6000/t-aix52: Same.
2728 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2729 (stmsi[345678]_power): New.
2731 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2733 * config/ia64/ia64.opt: Add empty line to end of file.
2735 2006-03-17 Richard Guenther <rguenther@suse.de>
2738 * builtins.c (get_pointer_alignment): For component style references
2739 adjust alignment to the component type alignment. Make sure
2740 to adjust alignment for component access of constants.
2742 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2744 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2747 2006-03-17 Paul Brook <paul@codesourcery.com>
2749 * doc/install.texi: Docuemnt --with-mode.
2750 * config.gcc: Add --with-mode for arm*-*-*.
2751 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2753 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2755 * sh.c (max_labelno_before_reorg): New variable.
2756 (sh_reorg): Initialize it.
2757 (find_barrier): Check max_labelno_before_reorg before using
2758 label_to_alignment. Take length of explicit alignment insns
2759 into account. When seeing a UNSPECV_CONST_END, return it.
2761 * sh.c (fixup_mova): Set mode of affected label to QImode.
2762 (untangle_mova): New function.
2763 (find_barrier): Use it. Check mode of label before decrementing
2765 (sh_reorg): Likewise.
2766 Set mode of all insns back to VOIDmode.
2768 * sh.c (MOVA_LABELREF): New macro.
2769 (mova_p, fixup_mova, sh_reorg): Use it.
2770 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2771 ADDR_DIFF_VEC matches mova.
2773 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2775 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2776 with ATTRIBUTE_UNUSED.
2778 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2780 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2781 pointer, instead of assuming it is possible to derive the
2782 correct args size from a call insn.
2784 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2786 * rtl.h (CONST_INT_P): Define.
2787 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2788 instead of GET_CODE(x) == CONST_INT.
2789 (vax_rtx_costs): Likewise.
2790 (vax_output_int_move): Likewise.
2791 (vax_output_int_add): Likewise.
2792 (legitimate_constant_address_p): Likewise.
2793 (index_term_p): Likewise.
2794 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2795 * config/vax/vax.md (and<mode>3): Likewise.
2796 (ashrsi3): Likewise.
2798 (movstricthi): Likewise.
2799 (movstrictqi): Likewise.
2800 (rotrsi3): Likewise.
2801 (five unnamed insns): Likewise.
2803 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2805 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2806 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2807 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2808 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2809 Pass to ASM_OUTPUT_DWARF_OFFSET.
2810 * dwarf2out.c (debug_frame_section): New.
2811 (output_call_frame_info): Use debug_frame_section. Pass it to
2812 dw2_asm_output_offset.
2813 (output_die): Pass appropriate section to dw2_asm_output_offset.
2814 (output_compilation_unit_header): Likewise.
2815 (output_pubnames): Likewise.
2816 (output_aranges): Likewise.
2817 (enum dw_val_class): Break dw_val_class_lbl_offset into
2818 dw_val_class_lineptr and dw_val_class_macptr.
2819 (add_AT_lbl_offset): Delete.
2820 (add_AT_lineptr): New.
2821 (add_AT_macptr): New.
2822 (AT_lbl): Expect a lineptr or macptr.
2823 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2824 (attr_checksum): Likewise.
2825 (same_dw_val_p): Likewise.
2826 (size_of_die): Likewise.
2827 (value_format): Likewise.
2828 (output_die): Likewise.
2829 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2831 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2832 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2833 * config/darwin-protos.h (darwin_file_start): New.
2834 (darwin_asm_output_dwarf_offset): New.
2835 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2836 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2838 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2839 if not EH section; simplify.
2840 (darwin_file_start): New.
2841 (darwin_asm_output_dwarf_offset): New.
2842 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2844 (DEBUG_INFO_SECTION): Likewise.
2845 (DEBUG_ABBREV_SECTION): Likewise.
2846 (DEBUG_ARANGES_SECTION): Likewise.
2847 (DEBUG_MACINFO_SECTION): Likewise.
2848 (DEBUG_LINE_SECTION): Likewise.
2849 (DEBUG_LOC_SECTION): Likewise.
2850 (DEBUG_PUBNAMES_SECTION): Likewise.
2851 (DEBUG_STR_SECTION): Likewise.
2852 (DEBUG_RANGES_SECTION): Likewise.
2853 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2854 (ASM_OUTPUT_DWARF_OFFSET): New.
2856 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2858 * config.gcc (tm_defines): Always add to previous value rather
2861 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2863 * config/mips/predicates.md (splittable_const_int_operand): New,
2864 split from move_operand.
2865 (splittable_symbolic_operand): New.
2866 (move_operand): Add commentary. Use splittable_const_int_operand.
2867 Inline mips_atomic_symbolic_constant_p.
2868 * config/mips/mips.md: Add combine splitters for handling moves
2869 of splittable_const_int_operands and splittable_symbolic_operands.
2870 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2871 (mips_split_symbol): Declare.
2872 (mips_move_integer): Declare.
2873 * config/mips/mips.c (mips_split_p): Make global.
2874 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2875 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2876 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2877 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2878 (mips_offset_within_object_p): Handle block symbols.
2879 (mips_atomic_symbolic_constant_p): Delete.
2880 (mips_cannot_force_const_mem): Return false for constants that
2881 mips_legitimize_move can handle.
2882 (mips_use_blocks_for_constant_p): New function.
2883 (mips_split_symbol): Make global.
2884 (mips_move_integer): Likewise. Add a temporary register argument.
2885 (mips_legitimize_const_move): Use splittable_const_int_operand and
2886 splittable_symbolic_operand.
2887 (mips_use_anchors_for_symbol_p): New function.
2888 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2889 (mips_split_p): Declare.
2891 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2893 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2894 (mips*-*-linux*): Likewise.
2896 2006-03-16 Roger Sayle <roger@eyesopen.com>
2897 Daniel Speyer <dspeyer@wam.umd.edu>
2900 * tree-dump.c (dump_real): New function.
2901 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2902 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2903 (tree-dump.o): Add $(REAL_H) to the dependencies.
2905 2006-03-16 Roger Sayle <roger@eyesopen.com>
2908 * real.c (real_from_string): If the mantissa is zero, don't bother
2909 parsing the exponent as the result should always be zero.
2911 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2913 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2915 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2917 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2918 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2919 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2920 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2921 ia64_sched_finish_global): New static functions to implement
2922 hooks from gcc_target.sched.
2923 (spec_check_no, max_uid, pending_data_specs): New static variables.
2924 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2925 ia64_spec_check_src_p): New static functions.
2926 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2927 (TARGET_SCHED_ADJUST_COST): Removed.
2928 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2929 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2930 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2931 TARGET_SCHED_GEN_CHECK,
2932 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2933 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2934 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2935 Fixed to handle speculation checks.
2936 (rtx_needs_barrier): Fixed to handle speculative loads and
2938 (ia64_variable_issue): Added code to count speculative loads and their
2940 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2942 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2944 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2946 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2947 (ia64_reorg): Reset stops_p to NULL after it is freed.
2948 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2949 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2950 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2952 (data_speculative, control_speculative, check_load): New attributes.
2953 (mov<mode>_advanced, mov<mode>_speculative,
2954 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2955 zero_extend<mode>di2_speculative,
2956 zero_extend<mode>di2_speculative_advanced): New patterns for
2957 data and control speculative loads.
2958 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2960 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2961 New pattern for data and control speculation checks.
2962 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2963 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2964 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2965 Auxiliary definitions for the patterns.
2966 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2967 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2969 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2971 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2972 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2973 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2974 New resource constraints.
2975 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2977 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2978 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2979 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2980 msched-in-control-spec, msched-ldc, msched-control-ldc,
2981 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2982 msched-prefer-non-control-spec-insns,
2983 msched-count-spec-in-critical-path): New flags to tune speculative
2985 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2986 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2987 msched-in-control-spec, msched-ldc, msched-control-ldc,
2988 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2989 msched-prefer-non-control-spec-insns,
2990 msched-count-spec-in-critical-path): Document new flags.
2992 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2994 * target.h (struct spec_info_def): New opaque declaration.
2995 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2996 speculate_insn, needs_block_p, gen_check,
2997 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2998 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2999 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
3000 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
3001 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3002 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
3004 (TARGET_SCHED): Use new macros.
3005 * rtl.h (copy_DEPS_LIST_list): New prototype.
3006 * sched-int.h (struct sched_info): Change signature of new_ready field,
3007 adjust all initializations. New fields: add_remove_insn,
3008 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
3009 region_head_or_leaf_p.
3010 (struct spec_info_def): New structure declaration.
3011 (spec_info_t): New typedef.
3012 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
3013 recovery_block, orig_pat.
3014 (glat_start, glat_end): New variables declaraions.
3015 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
3017 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
3018 DETACH_LIFE_INFO, USE_GLAT.
3019 (enum SPEC_SCHED_FLAGS): New enumeration.
3020 (NOTE_NOTE_BB_P): New macro.
3021 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
3022 attach_life_info, debug_spec_status, check_reg_live): New functions.
3023 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
3024 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
3026 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
3027 * ddg.c (get_block_head_tail): Adjust all uses.
3028 * modulo-sched.c (get_block_head_tail): Adjust all uses.
3029 (sms_sched_info): Initialize new fields.
3030 (contributes_to_priority): Removed.
3031 * haifa-sched.c (params.h): New include.
3032 (get_block_head_tail): Adjust all uses.
3033 (ISSUE_POINTS): New macro.
3034 (glat_start, glat_end): New global variables.
3035 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
3036 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
3037 old_last_basic_block, before_recovery, current_sched_info_var,
3038 rgn_n_insns, luid): New static variables.
3039 (insn_cost1): New function. Move logic from insn_cost to here.
3040 (find_insn_reg_weight1): New function. Move logic from
3041 find_insn_reg_weight to here.
3042 (reemit_notes, move_insn, max_issue): Change signature.
3043 (move_insn1): Removed.
3044 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
3045 extend_bb): New static functions to support extension of scheduler's
3047 (generate_recovery_code, process_insn_depend_be_in_spec,
3048 begin_speculative_block, add_to_speculative_block,
3049 init_before_recovery, create_recovery_block, create_check_block_twin,
3050 fix_recovery_deps): New static functions to support
3051 generation of recovery code.
3052 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
3053 restore_bb_notes, move_block_after_check, move_succs): New static
3054 functions to support ebb scheduling.
3055 (init_glat, init_glat1, attach_life_info1, free_glat): New static
3056 functions to support handling of register live information.
3057 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
3058 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
3059 add_jump_dependencies): New static functions.
3060 (check_cfg, has_edge_p, check_sched_flags): New static functions for
3061 consistancy checking.
3062 (debug_spec_status): New function to call from debugger.
3063 (priority): Added code to handle speculation checks.
3064 (rank_for_schedule): Added code to distinguish speculative instructions.
3065 (schedule_insn): Added code to handle speculation checks.
3066 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3067 Fixed to handle ebbs.
3068 (move_insn): Added code to handle ebb scheduling.
3069 (max_issue): Added code to use ISSUE_POINTS of instructions.
3070 (choose_ready): Added code to choose between speculative and
3071 non-speculative instructions.
3072 (schedule_block): Added code to handle ebb scheduling and scheduling of
3073 speculative instructions.
3074 (sched_init): Initialize new variables.
3075 (sched_finish): Free new variables. Print statistics.
3076 (try_ready): Added code to handle speculative instructions.
3077 * lists.c (copy_DEPS_LIST_list): New function.
3078 * sched-deps.c (extend_dependency_caches): New function. Move logic
3079 from create_dependency_caches to here.
3080 (get_dep_weak, ds_merge): Make global.
3081 * genattr.c (main): Code to output prototype for
3082 dfa_clear_single_insn_cache.
3083 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3084 (output_dfa_clean_insn_cache_func): Code to output
3085 dfa_clear_single_insn_cache function.
3086 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3088 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3090 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3091 New static variables.
3092 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3093 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3095 (ebb_sched_info): Initialize new fields.
3096 (get_block_head_tail): Adjust all uses.
3097 (compute_jump_reg_dependencies): Fixed to use glat_start.
3098 (schedule_ebb): Code to remove unreachable last block.
3099 (schedule_ebbs): Added code to update register live information.
3100 * sched-rgn.c (region_sched_info): Initialize new fields.
3101 (get_block_head_tail): Adjust all uses.
3102 (last_was_jump): Removed. Adjust users.
3103 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3104 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3105 Implement new hooks.
3106 (check_dead_notes1): New static function.
3107 (struct region): New fields: dont_calc_deps, has_real_ebb.
3108 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3109 (BB_TO_BLOCK): Fixed to handle EBBs.
3110 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3111 (ebb_head): New static variable.
3112 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3113 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3115 (compute_dom_prob_ps): New assertion.
3116 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3117 global_live_at_start.
3118 (init_ready_list): New assertions.
3119 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3120 (new_ready): Add support for BEGIN_CONTROL speculation.
3121 (schedule_insns): Fixed code that updates register live information
3123 (schedule_region): Fixed to handle EBBs.
3124 (init_regions): Use extend_regions and check_dead_notes1.
3125 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3126 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3127 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3128 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3129 TARGET_SCHED_GEN_CHECK,
3130 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3131 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3132 * doc/invoke.texi (max-sched-insn-conflict-delay,
3133 sched-spec-prob-cutoff): Document.
3135 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3137 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3138 inter_tick, queue_index.
3139 (struct sched_info): Change signature of init_ready_list field.
3140 Adjust all initializations.
3141 (RESOLVED_DEPS): New access macro.
3142 (ready_add): Remove prototype.
3143 (try_ready): Add prototype.
3144 * sched-rgn.c (init_ready_list): Use try_ready.
3145 (schedule_region): Initialize
3146 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3147 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3148 (init_ready_list): Use try_ready.
3149 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3150 * lists.c (remove_list_elem): Remove `static'.
3151 (remove_free_INSN_LIST_elem): New function.
3152 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3153 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3154 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3156 (readyp): New variable.
3157 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3158 change_queue_index, resolve_dep): New static functions.
3159 (try_ready): New function. Adjust callers in sched-rgn.c and
3160 sched-ebb.c to use it instead of ready_add.
3161 (clock_var): Move at the begining of file.
3162 (rank_for_schedule): Fix typo.
3163 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3164 (ready_lastpos): Enforce assertion.
3165 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3167 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3168 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3169 (queue_to_ready): Use free_INSN_LIST_list.
3170 (early_queue_to_ready): Fix typo.
3171 (schedule_block): Init readyp. Move init_ready_list call after the
3172 initialization of clock_var. Fix error in rejecting insn by
3173 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3174 that previously corrected INSN_TICKs. Add code for handling
3176 (set_priorities): Fix typo.
3177 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3178 Clarify comment and code that keeps current_sched_info->next_tail
3181 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3183 * sched-rgn.c (extend_rgns): New static function.
3184 (find_rgns): Use it.
3185 (gather_region_statistics, print_region_statistics): New static
3187 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3188 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3190 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3191 Andrey Belevantsev <abel@ispras.ru>
3193 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3194 * lists.c (unused_deps_list): New variable.
3195 (free_list): Add assertions to verify the proper distinguishing
3196 between INSN_LISTs and DEPS_LISTs.
3197 (find_list_elem, remove_list_elem, remove_list_node): New static
3199 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3200 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3201 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3202 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3204 (free_INSN_LIST_node): Likewise.
3205 * modulo-sched.c (current_sched_info): Initialize flags field.
3206 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3207 * rtl.def (DEPS_LIST): Define.
3208 * rtl.h: Declare new functions from lists.c.
3209 * sched-deps.c (spec_dependency_cache): New static variable.
3210 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3211 (add_dependence): Change return type to void. Move the logic to ...
3212 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3213 (delete_all_dependences): Add comment about forward_dependency_cache.
3214 Handle spec_dependency_cache. Handle DEPS_LISTs.
3215 (fixup_sched_groups): Clarify the change of priority of output
3216 and anti dependencies.
3217 (sched_analyze_2): Adjust add_dependence calls to create data
3218 speculative dependence.
3219 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3220 Adjust all callers. Handle DEPS_LISTS.
3221 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3222 presence of speculation.
3223 (init_dependency_caches, free_dependency_caches):
3224 Handle spec_dependency_cache.
3225 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3226 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3227 New static functions.
3228 (add_or_update_back_dep, add_or_update_back_forw_dep,
3229 add_back_forw_dep, delete_back_forw_dep): New functions.
3230 * sched-int.h (ds_t, dw_t): New typedefs.
3231 (struct sched_info): Add new field flags.
3232 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3233 Prototype new sched-deps.c functions.
3234 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3235 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3236 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3237 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3238 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3239 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3241 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3243 * sched-rgn.c (current_sched_info): Initialize flags field.
3244 (schedule_insns): Initialize current_sched_info before the sched_init
3246 * sched-ebb.c (current_sched_info): Initialize flags field.
3247 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3248 Call add_or_update_back_dep instead of add_dependence.
3249 Create control speculative dependencies.
3250 (schedule_insns): Initialize current_sched_info before the sched_init
3253 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3255 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3257 (sh_fallback_frame_state): Likewise.
3259 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3261 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3262 Do switch on default_use_cxa_atexit.
3263 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3264 * config/darwin-crt3.o: New.
3265 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3266 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3267 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3269 * config/rs6000/t-darwin: Move crt2.o building to here.
3270 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3271 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3274 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3276 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3277 from '! xxx' to '!xxx' for coding-style conformance.
3278 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3279 (EXTRA_CONSTRAINT): Likewise.
3280 * config/vax/vax.md (four unnamed insns): Likewise.
3282 2006-03-15 Paul Brook <paul@codesourcery.com>
3284 * config/arm/arm.c (minipool_pad): New.
3285 (add_minipool_forward_ref): Include pool alignment padding in address
3287 (push_minipool_fix): Set minipool_pad.
3288 (minipool_pad): Ditto.
3290 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3292 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3293 instead of GET_CODE() == MEM and REG_P() instead of
3295 (print_operand_address): Likewise.
3296 (vax_address_cost): Likewise.
3297 (vax_rtx_costs): Likewise.
3298 (vax_notice_update_cc): Likewise.
3299 (vax_output_int_add): Likewise.
3300 (INDEX_REGISTER_P): Likewise.
3301 (BASE_REGISTER_P): Likewise.
3302 (nonindexed_address_p): Likewise.
3303 (vax_mode_dependent_address_p): Likewise.
3304 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3305 (PRINT_OPERAND): Likewise.
3306 * config/vax/vax.md (ashlsi3): Likewise.
3307 (ashlsi3): Likewise.
3308 (some more unnamed insns): Likewise.
3310 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3312 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3313 iterator-style macro.
3314 (mark_control_dependent_edges_necessary): Update the use of
3315 EXECUTE_IF_CONTROL_DEPENDENT.
3317 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3319 * config/sh/predicates.md (cache_address_operand): Special.
3320 (ua_address_operand): Likewise.
3322 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3324 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3326 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3328 2006-03-15 Andreas Schwab <schwab@suse.de>
3330 * gensupport.c (identify_predicable_attribute): Don't free p_false
3331 when it is still in use.
3333 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3335 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3336 the default setting here.
3338 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3340 * tree-pass.h (pass_cfg): Remove.
3341 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3342 * passes.c (pass_cfg): Don't run it.
3344 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3346 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3347 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3349 (stack_regs_mentioned): Update the uses of
3350 stack_regs_mentioned_data. Don't access the array beyond its
3352 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3353 Don't include gt-reg-stack.h.
3355 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3356 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3358 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3361 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3364 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3366 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3368 2006-03-14 Richard Guenther <rguenther@suse.de>
3370 PR tree-optimization/26672
3371 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3374 2006-03-14 Richard Guenther <rguenther@suse.de>
3376 PR tree-optimization/26667
3377 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3378 node for the callees. Always allow inlining if it will shrink
3381 2006-03-14 Richard Guenther <rguenther@suse.de>
3384 * builtins.c (get_pointer_alignment): Prefer alignment
3385 information from decls over that from types.
3387 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3390 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3392 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3394 * config/rs6000/rs6000.opt (mdlmzb): New option.
3395 (msched-prolog, msched-epilog): Use Var not Mask.
3396 * doc/invoke.texi (-mdlmzb): Document.
3397 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3399 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3400 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3402 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3404 PR rtl-optimization/25739
3405 * bt-load.c (augment_live_range): Free tos pointer.
3407 * gensupport.c (identify_predicable_attribute): Free
3409 * gcov.c (create_file_names): Free name pointer.
3411 2006-03-13 Roger Sayle <roger@eyesopen.com>
3414 * stmt.c (emit_case_nodes): Handle the case where the index is a
3415 CONST_INT, where the comparison mode is specified by the index type.
3417 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3419 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3422 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3424 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3425 (*branch_fp_inverted): Likewise.
3427 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3430 * omp-low.c (expand_omp_for_generic): Mark istart0
3431 and iend0 as addressable.
3433 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3435 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3437 2006-03-13 Jeff Law <law@redhat.com>
3439 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3440 virtual operands are interesting.
3441 (vrp_visit_stmt): Corresponding changes.
3443 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3445 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3447 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3448 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3449 * config/bfin/crti.S: Use it instead of __PIC__.
3450 * config/bfin/crtn.S: Likewise.
3452 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3453 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3455 Lose 'G' modifier for call operand.
3456 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3457 recognize 'G' modifier.
3459 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3462 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3463 * stmt.c (expand_case): Likewise.
3465 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3467 PR rtl-optimization/26254
3468 * loop-invariant.c (seq_insns_valid_p): New function.
3469 (move_invariant_reg): Only emit new code if it is valid.
3471 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3473 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3475 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3476 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3477 (commit_one_edge_insertion): Do not look for loop notes.
3479 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3481 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3482 flag_test_coverage out of loop.
3484 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3486 * final.c (shorten_branches): Remove outdated comment, and turn
3487 the if branch that guards it to continue.
3489 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3491 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3492 * cfgloop.h (struct loop): Remove unused fields.
3494 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3496 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3497 (-dL, -fdump-rtl-loop2): Update the dump file names
3499 * doc/invoke.texi: Update dump file names.
3501 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3503 * predict.c (estimate_probability): Remove.
3504 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3505 * basic-block.h (estimate_probability): Remove prototype.
3506 * passes.c (finish_optimization_passes): Dump branch prediction or
3507 profiling heuristics to the .profile tree dump.
3508 (init_optimization_passes): Unqueue pass_branch_prob.
3510 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3512 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3514 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3515 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3517 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3519 * function.h (frame_offset_overflow): Declare.
3520 * function.c (frame_offset_overflow): New function.
3521 (assign_stack_local_1): Call it to detect that the offset overflows.
3522 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3524 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3526 * config/sh/sh.c: Include alloc-pool.h.
3527 (label_ref_list_pool): New alloc pool.
3528 (label_ref_list_t): New type for lists of labels.
3529 (struct pool_node): Make wend a label_ref_list_t.
3530 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3532 (dump_table): Likewise.
3533 (sh_reorg): Set up the alloc pool before using add_constant and
3534 dump_table, and destroy it when finishing.
3536 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3538 * config/mips/mips.c: Remove redundant comment.
3540 2006-03-10 Jason Merrill <jason@redhat.com>
3543 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3544 the target was declared 'register'.
3546 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3548 * genpreds.c (write_insn_constraint_len): Change definition of
3549 insn_constraint_len to return size_t to match the declaration.
3551 2006-03-10 DJ Delorie <dj@redhat.com>
3553 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3555 (m32c_expand_insv): Fix test for an AND mask.
3557 2006-03-10 Richard Guenther <rguenther@suse.de>
3560 * builtins.c (get_pointer_alignment): Handle component
3561 references for field alignment.
3563 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3565 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3566 when building with libgloss.
3567 (sh*elf): Implement --without-fp option.
3568 (sh64-superh-linux*): Don't multilib.
3570 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3572 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3574 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3576 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3577 Set it when one of the replacement functions returned true.
3578 Return TODO_cleanup_cfg if cfgchanged is true.
3579 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3581 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3583 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3584 instead of gen_lowpart.
3586 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3588 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3590 (mips_output_order_conditional_branch): Declare.
3591 * config/mips/mips.h (MIPS_BRANCH): New macro.
3592 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3593 for the comparison. Use gen_condjump.
3594 (mips_output_conditional_branch): Rework interface to take the
3595 asm templates for a direct branch and the inverse of a direct branch.
3596 (mips_output_order_conditional_branch): New function.
3597 (mips_builtin_branch_and_move): New function.
3598 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3599 branch condition. Use gen_single_cc as the condition for
3600 __builtin_mips_upper_* or __builtin_mips_lower_*.
3601 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3602 Use VOIDmode for the branch condition.
3603 * config/mips/predicates.md (order_operator): New predicate.
3604 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3605 (branch_fp): Rename to...
3606 (*branch_fp): ...this. Remove mode from comparison operator.
3607 Use new mips_output_conditional_branch interface.
3608 (branch_fp_inverted): Rename to...
3609 (*branch_fp_inverted): ...this and update as for *branch_fp.
3610 (*branch_zero<mode>): Rename to...
3611 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3612 Use mips_output_order_conditional_branch. Only accept ordered
3614 (*branch_zero<mode>_inverted): Rename to...
3615 (*branch_order<mode>_inverted): ...this and update as for
3616 *branch_order<mode>.
3617 (*branch_equality<mode>): Accept zero as the second operand to
3618 the equality operator. Use the new mips_output_conditional_branch
3620 (*branch_equality<mode>_inverted): Likewise.
3621 (condjump): New expander.
3622 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3624 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3625 (bc1any2t, bc1any2f): Likewise.
3626 (single_cc): New expander.
3627 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3629 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3631 * doc/md.texi: Update documentation of MIPS constraints.
3632 * config/mips/constraints.md: New file.
3633 * config/mips/mips.md: Include it.
3634 * config/mips/mips.c (mips_char_to_class): Delete.
3635 (override_options): Don't initialize mips_char_to_class.
3636 * config/mips/mips.h (mips_char_to_class): Delete.
3637 (REG_CLASS_FROM_LETTER): Delete.
3638 (CONST_OK_FOR_LETTER_P): Delete.
3639 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3640 (EXTRA_CONSTRAINT_Y): Delete.
3641 (EXTRA_CONSTRAINT_STR): Delete.
3642 (CONSTRAINT_LEN): Delete.
3643 (EXTRA_MEMORY_CONSTRAINT): Delete.
3645 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3647 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3648 original fn's eh regions.
3650 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3652 * fold-const.c (build_range_check): Make sure to use a valid type to
3653 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3656 (range_predecessor): New static function.
3657 (range_successor): Likewise.
3658 (merge_ranges): Use them to compute predecessors and successors of
3661 2006-03-09 Roger Sayle <roger@eyesopen.com>
3664 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3665 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3667 2006-03-08 DJ Delorie <dj@redhat.com>
3669 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3670 (addpsi3): Expand to include memory operands. Remove
3671 reload-specific splits.
3672 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3673 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3674 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3675 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3676 (shift1_qi, shift1_hi, insv): New.
3677 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3678 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3679 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3681 * config/m32c/m32c-protos.h: Update as needed.
3682 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3683 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3684 Fail for unrecognized R* constraints.
3685 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3686 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3687 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3689 (m32c_init_libfuncs): New.
3690 (m32c_legitimate_address_p): Add debug wrapper.
3691 (m32c_rtx_costs): New.
3692 (m32c_address_cost): New.
3693 (conversions): Add 'B' prefix.
3694 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3695 operands, or word regnames for QI operands. 'B' prints bit
3697 (m32c_expand_setmemhi): New.
3698 (m32c_expand_movmemhi): New.
3699 (m32c_expand_movstr): New.
3700 (m32c_expand_cmpstr): New.
3701 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3702 (m32c_expand_neg_mulpsi3): Handle non-ints.
3703 (m32c_cmp_flg_0): New.
3704 (m32c_expand_movcc): New.
3705 (m32c_expand_insv): New.
3706 (m32c_scc_pattern): New.
3707 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3708 a0/a1 out of SIregs.
3709 (STORE_FLAG_VALUE): New.
3710 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3713 * config/m32c/mov.md: Make constraints more liberal.
3714 (zero_extendqihi2): Optimize r0/r1 case.
3715 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3716 * config/m32c/predicates.md (m32c_any_operand): New.
3717 (m32c_nonimmediate_operand): New.
3718 (m32c_hl_operand): New.
3719 (m32c_r3_operand): New.
3722 (memsym_operand): New.
3723 (memimmed_operand): New.
3724 (a_qi_operand): New.
3725 (m32c_eqne_operator): New.
3726 (m32c_1bit8_operand): New.
3727 (m32c_1bit16_operand): New.
3728 (m32c_1mask8_operand): New.
3729 (m32c_1mask16_operand): New.
3730 * config/m32c/blkmov.md: New file.
3731 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3733 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3735 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3736 unsigned to fix signed/unsigned comparison issue in
3737 DWARF2_FRAME_REG_OUT.
3738 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3739 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3741 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3742 of ptr into the ENABLE_CHECKING section.
3744 2006-03-08 Jeff Law <law@redhat.com>
3746 * tree-vrp.c (infer_value_range): Only count pointer uses
3747 and dereferences if -fdelete-null-pointer-checks is enabled.
3749 * tree-vrp.c (find_assert_locations): Infer value ranges for
3750 single use pointers, but do not create ASSERT_EXPRs for them.
3751 When a non-null range is inferred for a pointer, backwards
3752 propagate that range to other equivalent pointers through the
3755 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3758 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3759 language hook targets.
3760 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3761 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3762 if language hook targets were missing.
3764 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3766 * tree-ssa-opfinalize.h: Removed.
3767 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3769 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3770 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3771 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3772 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3773 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3774 finalize_ssa_v_must_def_ops): New.
3776 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3778 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3781 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3783 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3785 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3786 addresses with offsets; reorganize.
3788 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3789 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3790 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3792 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3795 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3797 2006-03-08 Ben Elliston <bje@au.ibm.com>
3799 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3801 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3804 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3807 2006-03-07 Richard Guenther <rguenther@suse.de>
3809 PR tree-optimization/26587
3810 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3812 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3814 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3816 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3818 * hooks.c (hook_bool_mode_rtx_true): New function.
3819 * hooks.h (hook_bool_mode_rtx_true): Declare.
3820 * toplev.c (compile_file): Call output_shared_constant_pool.
3821 * varasm.c (shared_constant_pool): New variable.
3822 (assemble_start_function, assemble_end_function): Remove arguments
3823 from call to output_constant_pool.
3824 (create_constant_pool): New function, split out from...
3825 (init_varasm_status): ...here.
3826 (force_const_mem): Choose between the shared and per-function constant
3827 pools. Set current_function_uses_const_pool when reusing old entries
3828 as well as when creating new ones.
3829 (mark_constant): Ignore data argument.
3830 (mark_constants): Remove pool argument.
3831 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3832 to decide whether the function uses a constant pool.
3833 (output_constant_pool_contents): New function, split out from...
3834 (output_constant_pool): ...here.
3835 (output_shared_constant_pool): New function.
3836 (init_varasm_once): Initialize shared_constant_pool.
3837 * output.h (output_constant_pool): Delete.
3838 (output_shared_constant_pool): Declare.
3839 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3840 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3842 2006-03-06 Nick Clifton <nickc@redhat.com>
3844 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3845 flag_strength_reduce.
3847 2006-03-06 Ben Elliston <bje@au.ibm.com>
3849 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3850 x86_64-*-linux* configurations.
3852 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3853 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3855 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3857 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3859 * basic-block.h: Remove the extern for
3860 rediscover_loops_after_threading.
3862 * cfgloop.c (cancel_loop): Make it static.
3863 * cfgloop.h: Remove the prototype for cancel_loop.
3865 * flow.c (recompute_reg_usage): Make it static.
3866 * rtl.h: Remove the prototype for recompute_reg_usage.
3868 * function.c (use_return_register): Make it static.
3869 * function.h: Remove the prototype.
3871 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3873 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3875 * recog.h: Remove the prototype for
3876 validate_change_maybe_volatile.
3878 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3880 * rtlanal.c (replace_reg): Remove.
3881 * rtl.h: Remove the prototype for replace_reg.
3883 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3885 * regclass.c (reg_scan_update): Remove.
3886 (reg_scan_mark_refs): Remove the last argument.
3887 * rtl.h: Remove the prototype for reg_scan_update.
3889 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3891 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3892 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3893 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3894 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3895 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3896 loop-invariant.c, omp-low.c, opts.c, passes.c,
3897 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3898 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3899 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3900 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3901 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3902 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3904 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3906 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3907 * dwarf2out.h: Remove the prototype for
3908 dwarf2out_add_library_unit_info.
3910 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3912 * tree.c (add_var_to_bind_expr): Remove.
3913 * tree.h: Remove the prototype for add_var_to_bind_expr.
3915 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3917 * regclass.c (n_non_fixed_regs): Remove.
3918 (init_reg_sets_1, globalize_reg): Remove all uses of
3920 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3922 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3924 * rtlanal.c (insns_safe_to_move_p): Remove.
3925 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3927 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3929 * expmed.c (expand_mult_add): Remove.
3930 * expr.h: Remove the prototype for expand_mult_add.
3932 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3934 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3935 and REG_SAVED_VAL_EXP constants.
3936 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3937 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3938 Handle regs stored by value.
3939 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3940 (execute_cfa_program): Handle DW_CFA_val_offset,
3941 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3942 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3943 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3944 (uw_install_context_1): Handle target regs stored by value.
3946 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3948 * tree-sra.c (tree_sra): Return todoflags;
3949 (generate_one_element): Set TODO_update_smt_usage if needed.
3950 (pass_sra): Remove TODO_update_smt_usage.
3951 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3953 (tree_ssa_forward_propagate_single_use_vars): Return
3954 TODO_update_smt_usage if we need to update SMT usage.
3955 (pass_forwprop): Remove TODO_update_smt_usage.
3957 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3959 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3960 (correct_use_link): Remove reference to get_stmt_operands.
3961 (update_stmt_operands): Likewise.
3962 (get_modify_expr_operands): New function factored out of
3963 parse_ssa_operands and get_expr_operands.
3964 Try to create V_MUST_DEFs for LHS by default.
3965 (get_expr_operands) <case MODIFY_EXPR>: Call
3966 get_modify_expr_operands.
3967 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3968 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3969 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3970 get_modify_expr_operands.
3972 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3974 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3975 * tree-flow.h: Remove the prototype for
3976 referenced_var_lookup_if_exists.
3978 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3980 PR rtl-optimization/26345
3982 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3984 2006-03-03 Roger Sayle <roger@eyesopen.com>
3986 PR tree-optimization/26524
3987 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3988 fold_convert to create a constant of the appropriate type.
3990 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3992 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3993 SYMBOL_REF_IN_BLOCK_P.
3994 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3995 of SYMBOL_FLAG_IN_BLOCK.
3996 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3997 instead of SYMBOL_REF_IN_BLOCK_P.
3998 * explow.c (use_anchored_address): Likewise.
3999 * rtl.c (rtx_size): Likewise.
4000 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
4001 instead of SYMBOL_FLAG_IN_BLOCK.
4002 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4003 SYMBOL_REF_IN_BLOCK_P.
4004 (assemble_variable): Likewise.
4005 (output_constant_def_contents): Likewise.
4006 (output_constant_pool): Likewise.
4007 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
4008 instead of SYMBOL_FLAG_IN_BLOCK.
4009 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4010 SYMBOL_REF_IN_BLOCK_P.
4011 (SYMBOL_REF_BLOCK): Likewise.
4012 (SYMBOL_REF_OFFSET): Likewise.
4013 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
4014 SYMBOL_REF_IN_BLOCK_P.
4015 (SYMBOL_FLAG_IN_BLOCK): Replace with...
4016 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
4017 (SYMBOL_REF_IN_BLOCK_P): Replace with...
4018 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
4020 2006-03-03 Jakub Jelinek <jakub@redhat.com>
4022 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
4024 2006-03-02 Roger Sayle <roger@eyesopen.com>
4026 * simplify-rtx.c (simplify_unary_operation): When simplifying
4027 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
4028 that we perform the right shift in the appropriate mode, and
4029 then extend or truncate the result to requested mode.
4031 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
4033 * gengtype.c (main): Handle double_int type.
4034 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
4035 * double-int.c: New file.
4036 * double-int.h: New file.
4037 * system.h: Include doubleint.h.
4038 * Makefile.in (SYSTEM_H): Include double-int.h.
4039 (double-int.o): Add.
4041 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
4044 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
4047 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4049 * tree-vrp.c (remove_range_assertions): Do not update statements
4052 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4054 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
4056 * gcse.c (rest_of_handle_gcse): Ditto.
4057 * except.c (gate_handle_eh): Ditto.
4058 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
4059 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
4061 2006-03-02 Eric Christopher <echristo@apple.com>
4063 * config/i386/i386.c (machopic_output_stub): Add indirection to
4066 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4070 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4072 Sun Niagara specific optimizations.
4073 * config.gcc: Recognize niagara as target.
4074 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4075 (TARGET_CPU_niagara): Define.
4076 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4077 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4078 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4079 (ASM_CPU_SPEC): Likewise.
4080 (PROCESSOR_NIAGARA): New enum entry.
4081 (REGISTER_MOVE_COST): Handle Niagara.
4082 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4083 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4084 (sparc_override_options): Recognize "niagara", set appropriate
4085 default MASK_* values for it, and align functions to 32-bytes
4086 by default just like ULTRASPARC/ULTRASPARC3.
4087 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4088 (sparc64_initialize_trampoline): Likewise.
4089 (sparc_use_sched_lookahead): Use zero for niagara.
4090 (sparc_issue_rate): Use one for niagara.
4091 * config/sparc/niagara.md: New file.
4092 * config/sparc/sparc.md: Include it.
4093 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4094 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4095 when default cpu is niagara.
4096 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4097 (ASM_CPU_SPEC): Likewise.
4098 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4099 when default cpu is niagara.
4100 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4101 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4102 just like v9/ultrasparc/ultrasparc3.
4103 * doc/invoke.texi: Add documentation for "niagara" and improve
4104 existing documentation for ultrasparc variants.
4106 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4108 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4110 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4112 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4113 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4114 and say that only one is needed.
4115 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4116 * target.h (have_switchable_bss_sections): New hook.
4117 * explow.c (use_anchored_address): Check that the symbol is in a block.
4118 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4119 (bss_noswitch_section): New variables.
4120 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4121 (get_noswitch_section): New function.
4122 (get_block_for_section): Allow SECT to be null.
4123 (unlikely_text_section_p): Use SECTION_STYLE.
4124 (bss_initializer_p): New function.
4125 (get_variable_section): Move earlier in file. Take a new argument,
4126 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4127 Return one of the new *_sections in such cases.
4128 (get_block_for_decl): New function, extracting some logic from
4129 use_blocks_for_decl_p.
4130 (change_symbol_section): Remove in favor of...
4131 (change_symbol_block): ...this new function.
4132 (use_blocks_for_decl_p): Remove checks now performed by
4134 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4135 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4136 (emit_local, emit_bss, emit_common): ...these new functions.
4137 Return true if the alignment was honored.
4138 (emit_tls_common): New function.
4139 (asm_emit_uninitialised): Delete.
4140 (assemble_variable_noswitch): New function, split out from...
4141 (assemble_variable): ...here. Don't make decisions about common
4142 variables here. Globalize all public decls that go into non-common
4143 sections. Check whether SYMBOL_REF_BLOCK is null.
4144 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4145 (output_constant_pool): Likewise.
4146 (init_varasm_once): Initialize the new section variables.
4147 (have_global_bss_p): New function.
4148 (categorize_decl_for_section): Use bss_initializer_p.
4149 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4150 (place_block_symbol): Assert that the symbol must be in a block.
4151 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4152 (TARGET_INITIALIZER): Include it.
4153 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4154 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4155 (SECTION_MACH_DEP): Bump by two.
4156 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4157 (unnamed_section): Mention SECTION_UNNAMED in comment.
4158 (named_section): Likewise SECTION_NAMED.
4159 (noswitch_section_callback): New type.
4160 (noswitch_section): New structure.
4161 (section): Add a noswitch_section alternative.
4162 (SECTION_STYLE): New macro.
4163 (tls_comm_section, comm_section, lcomm_section): Declare.
4164 (bss_noswitch_section, have_global_bss_p): Declare.
4165 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4166 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4168 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4169 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4172 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4174 * gcc/tree-vrp.c (execute_vrp): Return value.
4175 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4176 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4177 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4178 (tree_lower_complex_O0): Ditto.
4179 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4180 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4181 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4182 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4183 (execute_tail_calls): Ditto.
4184 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4185 * gcc/tree.h (init_function_for_compilation): Ditto.
4186 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4187 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4188 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4189 * gcc/final.c (compute_alignments): Ditto.
4190 (rest_of_handle_final): Ditto.
4191 (rest_of_handle_shorten_branches): Ditto.
4192 (rest_of_clean_state): Ditto.
4193 * gcc/omp-low.c (execute_expand_omp): Ditto.
4194 (execute_lower_omp): Ditto.
4195 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4196 * gcc/ipa-reference.c (static_execute): Ditto.
4197 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4198 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4199 (rest_of_handle_machine_reorg): Ditto.
4200 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4201 * gcc/flow.c (recompute_reg_usage): Ditto.
4202 (rest_of_handle_remove_death_notes): Ditto.
4203 (rest_of_handle_life): Ditto.
4204 (rest_of_handle_flow2): Ditto.
4205 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4206 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4207 (do_ssa_store_ccp): Ditto.
4208 (execute_fold_all_builtins): Ditto.
4209 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4210 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4211 * gcc/ipa-pure-const.c (static_execute): Ditto.
4212 * gcc/cse.c (rest_of_handle_cse): Ditto.
4213 (rest_of_handle_cse2): Ditto.
4214 * gcc/web.c (rest_of_handle_web): Ditto.
4215 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4216 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4217 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4218 * gcc/tree-nrv.c (tree_nrv): Ditto.
4219 (execute_return_slot_opt): Ditto.
4220 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4221 (create_structure_vars): Ditto.
4222 * gcc/loop-init.c (rtl_loop_init): Ditto.
4223 (rtl_loop_done): Ditto.
4224 (rtl_move_loop_invariants): Ditto.
4225 (rtl_unswitch): Ditto.
4226 (rtl_unroll_and_peel_loops): Ditto.
4227 (rtl_doloop): Ditto.
4228 * gcc/gimple-low.c (lower_function_body): Ditto.
4229 (mark_used_blocks): Ditto.
4230 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4231 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4232 (cgraph_early_inlining): Ditto.
4233 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4234 * gcc/jump.c (cleanup_barriers): Ditto.
4235 (purge_line_number_notes): Ditto.
4236 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4237 (rest_of_handle_if_after_reload): Ditto.
4238 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4239 (tree_ssa_loop_im): Ditto.
4240 (tree_ssa_loop_unswitch): Ditto.
4241 (tree_vectorize): Ditto.
4242 (tree_linear_transform): Ditto.
4243 (tree_ssa_loop_ivcanon): Ditto.
4244 (tree_ssa_empty_loop): Ditto.
4245 (tree_ssa_loop_bounds): Ditto.
4246 (tree_complete_unroll): Ditto.
4247 (tree_ssa_loop_prefetch): Ditto.
4248 (tree_ssa_loop_ivopts): Ditto.
4249 (tree_ssa_loop_done): Ditto.
4250 * gcc/predict.c (tree_estimate_probability): Ditto.
4251 * gcc/recog.c (split_all_insns_noflow): Ditto.
4252 (rest_of_handle_peephole2): Ditto.
4253 (rest_of_handle_split_all_insns): Ditto.
4254 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4255 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4256 (rest_of_handle_stack_adjustments): Ditto.
4257 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4258 * gcc/function.c (instantiate_virtual_regs): Ditto.
4259 (init_function_for_compilation): Ditto.
4260 (rest_of_handle_check_leaf_regs): Ditto.
4261 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4262 (rest_of_handle_gcse): Ditto.
4263 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4264 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4265 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4266 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4267 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4268 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4269 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4270 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4271 * gcc/except.c (set_nothrow_function_flags): Ditto.
4272 (convert_to_eh_region_ranges): Ditto.
4273 (rest_of_handle_eh): Ditto.
4274 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4275 (remove_unnecessary_notes): Ditto.
4276 * gcc/except.h (set_nothrow_function_flags): Ditto.
4277 (convert_to_eh_region_ranges): Ditto.
4278 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4279 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4280 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4281 (execute_fre): Ditto.
4282 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4283 (rest_of_handle_jump2): Ditto.
4284 * gcc/tree-sra.c (tree_sra): Ditto.
4285 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4286 (execute_mudflap_function_decls): Ditto.
4287 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4288 (do_store_copy_prop): Ditto.
4289 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4290 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4291 * gcc/tree-ssa-forwprop.c
4292 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4293 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4294 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4295 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4296 (execute_late_warn_uninitialized): Ditto.
4297 * gcc/rtl.h (cleanup_barriers): Ditto.
4298 (split_all_insns_noflow): Ditto.
4299 (purge_line_number_notes): Ditto.
4300 (unshare_all_rtl): Ditto.
4301 (remove_unnecessary_notes): Ditto.
4302 (recompute_reg_usage): Ditto.
4303 (variable_tracking_main): Ditto.
4304 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4305 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4306 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4307 (execute_free_cfg_annotations): Ditto.
4308 (execute_fixup_cfg): Ditto.
4309 (execute_cleanup_cfg_pre_ipa): Ditto.
4310 (execute_cleanup_cfg_post_optimizing): Ditto.
4311 (execute_init_datastructures): Ditto.
4312 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4313 * gcc/combine.c (rest_of_handle_combine): Ditto.
4314 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4315 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4316 (rest_of_handle_reorder_blocks): Ditto.
4317 (rest_of_handle_partition_blocks): Ditto.
4318 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4319 * gcc/tree-profile.c (tree_profiling): Ditto.
4320 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4321 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4322 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4323 (rest_of_handle_sched2): Ditto.
4324 * gcc/basic-block.h (free_bb_insn): Ditto.
4325 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4326 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4327 (remove_useless_stmts): Ditto.
4328 (split_critical_edges): Ditto.
4329 (execute_warn_function_return): Ditto.
4330 (execute_warn_function_noreturn): Ditto.
4331 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4332 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4333 * gcc/passes.c (execute_one_pass): Run additional
4334 todos returned by execute function.
4335 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4338 2006-03-02 Richard Guenther <rguenther@suse.de>
4340 * tree-ssa-alias.c (find_used_portions): Consider taking
4341 the address as making the variable not write-only.
4343 2006-03-02 Nick Clifton <nickc@redhat.com>
4345 * config.gcc (default_use_cxa_atexit): Extend the description of
4346 this configure variable. Set its default value to "yes" for
4347 Linux, NetBSD and ELF targets on the assumption that they will
4348 use C libraries with the __cxa_atexit function.
4350 2006-03-02 Ben Elliston <bje@au.ibm.com>
4352 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4353 parameter as unused to suppress a build warning.
4355 2006-03-02 Ben Elliston <bje@au.ibm.com>
4357 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4360 2006-03-01 Roger Sayle <roger@eyesopen.com>
4363 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4364 declared name, the weak reference name, and the typeof name.
4365 (__gthrw): Avoid expanding the declared name suffix.
4366 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4368 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4370 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4372 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4373 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4374 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4375 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4376 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4377 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4378 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4379 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4380 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4381 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4382 (DW_END_default, DW_END_big, DW_END_little): New.
4383 (DW_END_lo_user, DW_END_hi_user): Define.
4384 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4385 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4386 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4389 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4391 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4393 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4395 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4397 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4399 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4400 to 'symbol_mem_tag'.
4402 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4405 2006-03-01 Roger Sayle <roger@eyesopen.com>
4407 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4409 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4412 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4413 MACHO_DYNAMIC_NO_PIC_P.
4414 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4416 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4419 * config/darwin-protos.h (darwin_asm_output_anchor):
4421 * config/darwin-sections.def (cstring_section):
4422 Add SECTION_MERGE to the flags.
4423 (literal4_section): Likewise.
4424 (literal8_section): Likewise.
4425 (objc_selector_refs_section): Likewise.
4426 (objc_cls_refs_section): Likewise.
4427 * config/darwin.c (darwin_asm_output_anchor): New
4429 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4431 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4433 Fix PR tree-optimization/26443
4434 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4435 to todo and PROP_tmt_usage to properties_destroyed.
4436 * tree-ssa-ccp.c (pass_ccp): Ditto.
4437 (pass_store_ccp): Ditto.
4438 * tree-ssa-dom.c (pass_dominator): Ditto.
4440 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4442 * tree-ssa-operands.c: Cleanup whitespace.
4443 (get_asm_expr_operands): Move before first invocation.
4444 (get_indirect_ref_operands): Likewise.
4445 (get_tmr_operands): Likewise.
4446 (get_call_expr_operands): Likewise.
4447 (append_def): Likewise.
4448 (append_use): Likewise.
4449 (append_v_may_def): Likewise.
4450 (append_v_must_def): Likewise.
4451 (add_call_clobber_ops): Likewise.
4452 (add_call_read_ops): Likewise.
4453 (add_stmt_operand): Likewise.
4454 (add_virtual_operand): Likewise.
4455 (build_ssa_operands): Likewise.
4457 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4462 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4463 with a call expr to ...
4464 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4466 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4468 * tree-vrp.c (extract_range_from_assert): Remove special
4469 handling for types with super-types.
4471 2006-03-01 Ben Elliston <bje@au.ibm.com>
4473 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4474 and powerpc64-*-linux* configurations.
4475 * config/t-dfprules: New file.
4477 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4478 Compile dfp-bit.c from the source directory using -DWIDTH and
4479 $DFP_CFLAGS to control the compilation of that file, rather than
4480 generating width-specific versions in the build directory.
4481 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4482 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4484 2006-02-28 Zack Weinberg <zackw@panix.com>
4486 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4489 2006-02-28 Eric Christopher <echristo@apple.com>
4491 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4492 Set up IN_LIBGCC definition of TARGET_64BIT.
4493 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4495 2006-02-28 Roger Sayle <roger@eyesopen.com>
4498 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4499 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4500 cases via the construction of "expr != 0".
4502 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4504 * alias.c (alias_invariant, alias_invariant_size): Remove.
4505 (record_base_value): Remove.
4506 (memrefs_conflict_p): Don't look at alias_invariant.
4507 (end_alias_analysis): Don't free it.
4508 * alias.h (record_base_value): Remove prototype.
4510 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4511 Adam Nemet <anemet@caviumnetworks.com>
4513 * rtl.h (truncated_to_mode): Declare it.
4514 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4515 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4516 (RTL_HOOKS_INITIALIZER): Include it.
4517 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4518 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4519 reg_truncated_to_mode.
4520 * rtlanal.c (truncated_to_mode): Define it.
4521 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4523 2006-02-28 Jeff Law <law@redhat.com>
4525 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4526 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4527 the range allowed by TYPE_PRECISION.
4529 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4531 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4533 PR tree-optimization/26419
4534 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4537 2006-02-27 Zack Weinberg <zackw@panix.com>
4539 * doc/md.texi: Fix typo in previous change.
4541 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4545 2006-02-27 Zack Weinberg <zackw@panix.com>
4547 * rtl.def (define_constraint, define_register_constraint)
4548 (define_memory_constraint, define_address_constraint): New MD forms.
4549 * gensupport.c (process_rtx): Put define_constraint etc on the
4551 * genpreds.c (process_define_predicate): Adjust comment. Validate
4552 the name, and call validate_exp to validate the expression.
4553 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4554 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4555 all callers changed.
4556 (validate_exp, needs_variable, struct constraint_data)
4557 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4558 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4559 (const_dbl_constraints, constraint_max_namelen)
4560 (have_register_constraints, have_memory_constraints)
4561 (have_address_constraints, have_address_constraints)
4562 (have_extra_constraints, have_const_int_constraints)
4563 (have_const_dbl_constraints, mangle, add_constraint)
4564 (process_define_constraint, process_define_register_constraint)
4565 (write_enum_constraint_num, write_lookup_constraint)
4566 (write_insn_constraint_len, write_regclass_for_constraint)
4567 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4568 (write_insn_extra_memory_constraint)
4569 (write_insn_extra_address_constraint)
4570 (write_satisfies_constraint_fns): New.
4571 (write_tm_preds_h): If we have new-style constraint definitions,
4572 prototype the functions generated from them, and define the
4573 old constraint interface (still used by generic code) in terms of
4575 (write_insn_preds_c): If we have new-style constraint definitions,
4576 generate all relevant functions from those definitions.
4577 (main): Handle define_constraint etc.
4578 * genoutput.c (struct constraint_data, indep_constraints)
4579 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4580 (mdep_constraint_len): New data structures and functions, defined
4581 #ifdef USE_MD_CONSTRAINTS.
4582 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4583 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4584 use new logic to validate operand constraints against constraint
4586 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4588 * defaults.h: If none of the old-style constraint macros are
4589 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4590 old-style macros; and poison REG_CLASS_FROM_LETTER,
4591 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4593 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4594 * doc/md.texi: Document new constraint-definition mechanism and the
4595 C interface it provides. Remove references to old mechanism
4596 elsewhere in the document.
4597 (Machine Constraints): Use pathnames relative to gcc directory,
4598 i.e. config/ARCH/FILE. Change i386 section to refer to
4599 config/i386/predicates.md; update that section to match docstrings.
4600 * doc/tm.texi: Move all documentation of the old constraint-
4601 definition macros to their own section, clearly mark as obsolete.
4603 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4604 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4606 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4607 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4608 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4610 (splits and peepholes): Use satisfies_constraint_*.
4611 * config/i386/i386.c (memory_address_length)
4612 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4614 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4616 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4617 scalar operation to be put back into the loop.
4619 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4622 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4623 (extract_cie_info): Handle S flag in augmentation string.
4624 (execute_cfa_program): If context->signal_frame, execute also
4625 fs->pc == context->ra instructions.
4626 (uw_frame_state_for): If context->signal_frame, don't subtract one
4627 from context->ra to find FDE.
4628 (uw_update_context_1): Set context->signal_frame to
4630 (_Unwind_GetIPInfo): New function.
4631 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4632 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4634 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4635 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4636 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4637 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4638 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4639 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4640 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4641 x86_64_fallback_frame_state): Set fs->signal_frame.
4642 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4643 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4644 (frob_update_context): Likewise. Workaround missing S flag in
4645 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4646 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4647 Remove the psw_addr + 1 hack.
4649 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4651 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4652 with aggregates here.
4653 (find_func_aliases): Remove code for &<aggregate> from here.
4655 2006-02-26 Roger Sayle <roger@eyesopen.com>
4657 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4658 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4659 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4662 2006-02-26 Roger Sayle <roger@eyesopen.com>
4665 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4667 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4669 * opts.c (decode_options): Do not handle flag_strength_reduce.
4670 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4671 and OPT_fstrength_reduce.
4672 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4673 flag_prefetch_loop_arrays for being nonzero.
4674 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4676 (fprefetch-loop-arrays-rtl): Removed.
4677 (flag_prefetch_loop_arrays): Do not specify the value.
4679 * doc/passes.texi: Update documentation of loop optimizer
4681 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4682 -frerun-loop-opt): Remove.
4684 2006-02-26 Richard Guenther <rguenther@suse.de>
4686 PR tree-optimization/26421
4687 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4688 in function calls that are ADDR_EXPRs as using the whole structure.
4690 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4692 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4693 * tree-pass.h (pass_loop_optimize): Remove.
4694 * passes.c (pass_loop_optimize): Never run it.
4695 * toplev.c (backend_init): Don't call init_loop.
4696 * opts.c (flag_loop_optimize_set): Remove.
4697 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4698 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4699 the old RTL loop optimizer when profiling enabled.
4700 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4701 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4702 pre-headers for the sake of the old RTL loop optimizer.
4703 * Makefile.in: Remove all references to loop.o.
4705 * doc/invoke.texi: Remove all references to -floop-optimize
4706 and -frerun-loop-opt.
4708 2006-02-26 Zack Weinberg <zackw@panix.com>
4710 * doc/md.texi (Machine Constraints): Refer to all files with paths
4711 relative to gcc directory (i.e. config/CPU/file). Add missing
4712 @table @code ... @end table to M32C subsection.
4714 2006-02-26 Roger Sayle <roger@eyesopen.com>
4716 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4718 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4720 2006-02-26 Roger Sayle <roger@eyesopen.com>
4721 James A. Morrison <phython@gcc.gnu.org>
4724 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4725 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4726 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4727 signedness of the shift operation.
4729 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4731 PR tree-optimization/26359
4732 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4734 2006-02-25 Roger Sayle <roger@eyesopen.com>
4736 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4737 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4738 as X == 0, and some symmetry related transformations.
4739 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4741 2006-02-25 Roger Sayle <roger@eyesopen.com>
4744 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4745 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4746 symmetry related transformations. Fold (X^C1) == C2 as
4749 2006-02-25 Juergen Weigert <jw@suse.de>
4750 Richard Guenther <rguenther@suse.de>
4752 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4754 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4756 * combine.c (gen_lowpart_or_truncate): Call
4757 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4759 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4761 * doc/invoke.texi: Move -fopenmp description to "Options for
4763 Remove reference to -lgomp.
4765 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4767 * doc/install.texi: Require GNU tar version 1.14.
4769 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4771 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4772 * doc/invoke.texi (C++ Dialect Options): Document
4773 -fno-use-cxa-get-exception-ptr.
4774 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4775 * configure: Regenerate.
4776 * c.opt (fuse-cxa-get-exception-ptr): New.
4777 * c-opts.c (c_common_handle_option): Handle
4778 OPT_fuse_cxa_get_exception_ptr.
4779 * c-common.c (flag_use_cxa_atexit): Update documentation.
4780 (flag_use_cxa_get_exception_ptr): New.
4781 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4782 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4784 (C_COMMON_OVERRIDE_OPTIONS): New.
4786 2006-02-24 Roger Sayle <roger@eyesopen.com>
4789 * combine.c (try_combine): Explicitly check whether GET_CODE is
4790 a SET or a CLOBBER, instead on checking that it isn't a USE.
4792 2006-02-24 Roger Sayle <roger@eyesopen.com>
4794 * fold-const.c (fold_comparison): New subroutine of fold_binary
4795 containing transformations common to both the equality and
4796 ordering relational operators, factored out of fold_binary.
4797 (fold_binary): Separate out the equality operators (EQ_EXPR
4798 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4799 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4800 transformations common to both.
4801 (fold_div_compare): Fix latent bugs in the previously unreachable
4802 LT_EXPR and GE_EXPR cases.
4804 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4806 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4807 decl libname for clog to __clog on AIX.
4809 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4811 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4814 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4815 output traceback table for thunks. Localise rs6000_stack_info call.
4817 2006-02-23 Roger Sayle <roger@eyesopen.com>
4818 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4820 * gthr-posix.h (__gthrw): Fix typo in comment.
4822 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4824 * doc/cpp.texi (Character sets): Document that we do support
4825 input files to be in any character set.
4827 2006-02-23 Jeff Law <law@redhat.com>
4829 * tree.h (PHI_ARG_NONZERO): Remove.
4830 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4831 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4832 node to the new node.
4834 PR tree-optimization/26425
4835 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4836 min/max, then assume its varying.
4838 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4840 PR rtl-optimization/26316
4841 * rtlanal.c (enum may_trap_p_flags): New.
4842 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4843 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4844 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4845 (may_trap_after_code_motion_p): New function.
4846 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4847 (find_invariant_insn): Use may_trap_after_code_motion_p.
4848 * rtl.h (may_trap_after_code_motion_p): Declare.
4850 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4852 * emit-rtl.c (immed_double_const): Cleanup.
4854 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4856 Fix PR tree-optimization/26376
4857 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4860 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4863 * gimplify.c (omp_add_variable): Guard variable size decl test with
4864 DECL_SIZE (decl) check.
4866 2006-02-23 Richard Guenther <rguenther@suse.de>
4869 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4870 like aggregate types.
4872 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4874 * configure.ac: Add --with{,out}-long-double-128 configure option.
4875 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4876 * configure: Rebuilt.
4877 * config.in: Rebuilt.
4878 * doc/install.texi (Options specification): Document
4879 --with-long-double-128.
4881 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4882 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4883 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4884 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4886 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4888 * config/s390/s390.c (override_options): Handle
4889 TARGET_DEFAULT_LONG_DOUBLE_128.
4891 * config/alpha/alpha.c (override_options): Handle
4892 TARGET_DEFAULT_LONG_DOUBLE_128.
4894 * config/sparc/sparc.c (sparc_override_options): Handle
4895 TARGET_DEFAULT_LONG_DOUBLE_128.
4897 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4899 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4900 (real-install-headers-tar, real-install-headers-cpio)
4901 (real-install-headers-cp): New targets.
4903 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4905 * tree.h (variable_section): Delete.
4906 * varasm.c (variable_section): Delete.
4908 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4910 * install.texi: Add notes on install.texi2html.
4911 (Building in parallel): Do not use footnotes.
4913 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4916 * doc/install.texi (Configuration): Document --disable-libgomp.
4918 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4920 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4922 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4924 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4925 (vec_extractv2df_0_sse): New.
4927 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4929 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4930 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4931 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4932 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4933 to the result of the expression.
4934 (def_cfa_1): Adjust.
4935 (frame_pointer_cfa_offset): Rename to...
4936 (frame_pointer_fb_offset): ... this. Adjust all uses.
4937 (convert_cfa_to_loc_list): Rename to...
4938 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4939 Pass it on to build_cfa_loc.
4940 (compute_frame_pointer_to_cfa_displacement): Rename to...
4941 (compute_frame_pointer_to_fb_displacement): ... this. New
4942 offset parameter. Use it in computation.
4943 (gen_subprogram_die): Compute cfa_fb_offset with the new
4944 macro, and use it to compute the fb loc list and the
4947 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4949 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4950 replaced with register_operand.
4951 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4952 non-DREG is expensive.
4953 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4954 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4957 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4959 * doc/install.texi2html: Use set -e.
4961 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4963 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4964 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4965 * doc/invoke.texi (-fshared-data): Delete.
4966 * common.opt (fshared-data): Delete.
4967 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4968 (assemble_static_space): Remove #if 0 code.
4969 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4970 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4971 * config/cris/cris.h: Remove FIXME.
4973 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4975 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4978 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4981 * combine.c (simplify_shift_const_1): Disable nested shifts
4982 optimization for vector shifts.
4984 2006-02-20 Roger Sayle <roger@eyesopen.com>
4986 PR tree-optimization/26361
4987 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4988 of unsigned integer types.
4990 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4992 * tree-chrec.c (eq_evolutions_p): New.
4993 * tree-chrec.h (eq_evolutions_p): Declared.
4994 * tree-data-ref.c: Fix formatting.
4995 (datadep_stats, dependence_stats): New.
4997 (print_direction_vector): New.
4998 (dump_data_dependence_relation): Use print_direction_vector.
4999 (object_analysis, create_data_ref): Handle COMPONENT_REF.
5000 (compute_subscript_distance): Static.
5001 (initialize_data_dependence_relation): Static. Get the number
5002 of loops surrounding the references from the callers, and initialize
5003 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
5004 base_object_differ_p analyzers.
5005 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
5006 compute_overlap_steps_for_affine_1_2,
5007 analyze_subscript_affine_affine): Count the classified dependences.
5008 Print a message when a test failed.
5009 (can_use_analyze_subscript_affine_affine): New.
5010 (analyze_siv_subscript): Compute the data dependences on symbolic
5011 scevs that verify can_use_analyze_subscript_affine_affine.
5012 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
5013 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
5014 Handle symbolic scevs.
5015 (analyze_overlapping_iterations): Let symbolic affine scevs to be
5017 (subscript_dependence_tester): Moved...
5018 (build_classic_dist_vector, build_classic_dir_vector): Don't use
5019 lambda_vector_clear on newly allocated vectors. Get nb_loops from
5020 DDR_SIZE_VECT instead of getting it in parameter.
5021 (subscript_dependence_tester): ... here. Take as a parameter
5022 loop_nest_depth. Call build_classic_dist_vector and
5023 build_classic_dir_vector.
5024 (compute_affine_dependence): Update subscript_dependence_tester
5025 parameters. Update datadep_stats counters. Call
5026 compute_subscript_distance.
5027 (compute_self_dependence): Save the dist and dir vectors. Call
5028 compute_subscript_distance.
5029 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
5030 (compute_all_dependences): Reorder parameters as they were before
5031 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
5032 compute_subscript_distance. Update the use of
5033 compute_affine_dependence and initialize_data_dependence_relation.
5034 (find_data_references_in_loop): Handle COMPONENT_REF.
5035 (compute_data_dependences_for_loop): Initialize dependence_stats.
5036 Don't call build_classic_dist_vector and build_classic_dir_vector.
5037 Update the parameters of initialize_data_dependence_relation and
5038 compute_all_dependences. Print the statistics from datadep_stats.
5039 (analyze_all_data_dependences): Static. Not used until the pass for
5040 checking the data dependences is contributed.
5041 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
5042 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
5043 (initialize_data_dependence_relation, compute_affine_dependence,
5044 analyze_all_data_dependences, compute_subscript_distance): Removed.
5045 (print_direction_vector): New.
5046 * lambda.h (gcd): ... here.
5047 (lambda_vector_gcd): Moved here from gcd_vector.
5048 * lambda-code.c (gcd, gcd_vector): Removed.
5049 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
5050 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
5052 2006-02-20 Diego Novillo <dnovillo@redhat.com>
5054 * ipa-type-escape.c: Tidy some comments and white space.
5055 * tree-ssa-operands.c: Likewise.
5057 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
5060 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
5061 (dump_decl_name): Do not walk the decl tree chains.
5062 * tree-pass.h (TDF_CHAIN): Remove.
5064 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5066 * Makefile.in (C): Remove
5068 (.PHONY): Remove C and PROTO
5070 2006-02-20 Roger Sayle <roger@eyesopen.com>
5073 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5074 deprecated CHAR_TYPE tree code.
5076 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5078 * configure.ac (target_list): Add install-info, dvi, html.
5079 * configure: Regenerate.
5081 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5082 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5083 treelang/Make-lang.in: Do not use double-colon rules.
5085 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5087 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5088 (TMT_USED_ALONE): New macro.
5089 * tree-pass.h (PROP_tmt_usage): New property.
5090 (TODO_update_tmt_usage): New todo.
5091 * tree-ssa-alias.c (updating_used_alone): New variable.
5092 (recalculate_used_alone): New function.
5093 (compute_may_aliases): Set updating_used_alone, call
5094 recalculate_used_alone.
5095 * tree-sra.c (pass_sra): Note that this pass destroys
5096 PROP_tmt_usage, and add TODO_update_tmt_usage.
5097 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5098 * tree-flow.h (updating_used_alone): Prototype.
5099 (recalculate_used_alone): Ditto.
5100 * passes.c (execute_todo): Add code to set updating_used_alone,
5101 and call recalculate.
5102 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5103 for clobber if used alone, and add assert to verify used_alone
5106 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5108 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5109 for non tls symbols added.
5110 (legitimize_address): Do nothing for PLUS expressions if one of the
5111 addends is a tls symbol reference.
5113 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5117 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5119 * Makefile.in (BOOTSTRAPPING): New.
5120 (quickstrap): New definition if BOOTSTRAPPING=yes.
5122 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5123 * configure.ac: Substitute all_selected_languages with the languages
5124 that were configured. For all the other variables except
5125 lang_specs_files, include all the languages in the tree.
5126 * configure: Regenerate.
5128 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5129 if there is one. Run the commands to run fixincludes in the same
5132 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5133 * doc/install.texi: Document exact conventions for searching target tools.
5134 Document --with-build-time-tools. Document toplevel bootstrap. Document
5135 something more about building an Ada cross-compiler. Don't list GNU Make
5136 requirements which affect all platforms.
5138 2006-02-19 Roger Sayle <roger@eyesopen.com>
5141 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5142 only equivalent if the have both the same mode and precision.
5144 2006-02-20 Ben Elliston <bje@au.ibm.com>
5146 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5148 2006-02-19 Roger Sayle <roger@eyesopen.com>
5149 Steven Bosscher <stevenb.gcc@gmail.com>
5151 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5152 constant pool references to identify stack mode constants.
5153 * rtlanal.c (constant_pool_constant_p): New predicate to check
5154 whether operand is a floating point constant in the pool.
5155 * rtl.h (constant_pool_constant_p): Prototype here.
5156 * loop.c (scan_loop): Avoid hoisting constants from the constant
5157 pool on STACK_REGS targets.
5158 (load_mems): Likewise.
5159 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5160 loads into x87 registers expensive in terms of register pressure.
5162 2006-02-19 Roger Sayle <roger@eyesopen.com>
5164 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5165 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5167 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5169 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5170 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5172 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5174 * doc/invoke.texi: Document -fipa-pta.
5175 * common.opt: Add ipa-pta option.
5176 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5177 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5178 (do_ds_constraint): Ditto.
5179 (get_constraint_for): Only add to referenced_vars if
5180 referenced_vars exists.
5181 (insert_into_field_list): Rewrite to do this unsorted.
5182 (insert_into_field_list_sorted): Rename old insert_into_field_list
5184 (create_function_info_for): Use insert_into_field_list_sorted.
5185 (create_variable_info_for): Rewrite so it uses unsorted version,
5186 since the field list is sorted.
5187 (intra_create_variable_infos): Only add to referenced_vars if
5188 referenced_vars exists.
5189 (ipa_pta_execute): Init heapvars, and delete when done.
5190 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5192 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5194 * doc/install.texi: Add missing `@samp'.
5196 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5198 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5201 2006-02-18 Mark Wielaard <mark@klomp.org>
5203 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5204 who added new 4.1 features, bug fixes and integration support.
5206 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5209 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5212 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5214 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5215 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5216 (copy_insn_1): Likewise. Don't copy each field individually.
5218 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5220 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5221 * rtl.c (rtx_size): Rename variable to...
5222 (rtx_code_size): ...this.
5223 (rtx_size): New function.
5224 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5225 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5227 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5228 * rtl.h (rtx_code_size): New variable.
5229 (rtx_size): Change from a variable to a function.
5230 (RTX_SIZE): Rename to...
5231 (RTX_CODE_SIZE): ...this.
5234 PR tree-optimization/17106
5235 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5236 (Anchored Addresses): New section.
5237 * doc/invoke.texi (-fsection-anchors): Document.
5238 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5239 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5240 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5241 * hooks.c (hook_bool_mode_rtx_false): New function.
5242 * hooks.h (hook_bool_mode_rtx_false): Declare.
5243 * gengtype.c (create_optional_field): New function.
5244 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5245 SYMBOL_REF_IN_BLOCK_P is true.
5246 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5247 (min_anchor_offset, max_anchor_offset): Likewise.
5248 (use_anchors_for_symbol_p): New hook.
5249 * toplev.c (compile_file): Call output_object_blocks.
5250 (target_supports_section_anchors_p): New function.
5251 (process_options): Check that -fsection-anchors is only used on
5252 targets that support it and when -funit-at-a-time is in effect.
5253 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5254 if the decl doesn't have one.
5255 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5256 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5257 of force_const_mem through use_anchored_address.
5258 (expand_expr_constant): New function.
5259 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5260 calling expand_expr for INDIRECT_REF.
5261 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5262 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5263 * expr.h (use_anchored_address): Declare.
5264 * loop-unroll.c: Don't declare rtx vectors here.
5265 * explow.c: Include output.h.
5266 (validize_mem): Call use_anchored_address.
5267 (use_anchored_address): New function.
5268 * common.opt (-fsection-anchors): New switch.
5269 * varasm.c (object_block_htab, anchor_labelno): New variables.
5270 (hash_section, object_block_entry_eq, object_block_entry_hash)
5271 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5272 (use_blocks_for_decl_p, change_symbol_section): New functions.
5273 (get_variable_section): New function, split out from assemble_variable.
5274 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5275 use_blocks_for_decl_p say so. Use change_symbol_section if the
5276 symbol has already been created.
5277 (assemble_variable_contents): New function, split out from...
5278 (assemble_variable): ...here. Don't output any code for
5279 block symbols; just pass them to place_block_symbol.
5280 Use get_variable_section and assemble_variable_contents.
5281 (get_constant_alignment, get_constant_section, get_constant_size): New
5282 functions, split from output_constant_def_contents.
5283 (build_constant_desc): Create a block symbol if use_object_blocks_p
5284 says so. Or into SYMBOL_REF_FLAGS.
5285 (assemble_constant_contents): New function, split from...
5286 (output_constant_def_contents): ...here. Don't output any code
5287 for block symbols; just pass them to place_section_symbol.
5288 Use get_constant_section and get_constant_alignment.
5289 (force_const_mem): Create a block symbol if use_object_blocks_p and
5290 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5291 (output_constant_pool_1): Add an explicit alignment argument.
5292 Don't switch sections here.
5293 (output_constant_pool): Adjust call to output_constant_pool_1.
5294 Switch sections here instead. Don't output anything for block symbols;
5295 just pass them to place_block_symbol.
5296 (init_varasm_once): Initialize object_block_htab.
5297 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5298 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5299 (place_block_symbol, get_section_anchor, output_object_block)
5300 (output_object_block_htab, output_object_blocks): New functions.
5301 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5302 (TARGET_ASM_OUT): Include it.
5303 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5304 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5305 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5306 (TARGET_INITIALIZER): Include them.
5307 * rtl.c (rtl_check_failed_block_symbol): New function.
5308 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5309 (block_symbol, object_block): New structures.
5310 (rtx_def): Add a block_symbol field to the union.
5311 (BLOCK_SYMBOL_CHECK): New macro.
5312 (rtl_check_failed_block_symbol): Declare.
5313 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5314 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5315 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5316 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5317 * output.h (output_section_symbols): Declare.
5318 (object_block): Name structure.
5319 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5320 (default_use_anchors_for_symbol_p): Declare.
5321 * Makefile.in (RTL_BASE_H): Add vec.h.
5322 (explow.o): Depend on output.h.
5323 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5324 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5325 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5326 (rs6000_use_blocks_for_constant_p): New function.
5328 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5330 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5332 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5335 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5338 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5340 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5344 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5347 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5348 instead of DECL_REGISTER.
5350 2006-02-18 Olivier Hainque <hainque@adacore.com>
5353 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5355 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5358 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5359 * opth-gen.awk: Handle Var and InverseMask together.
5360 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5361 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5362 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5363 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5365 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5366 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5367 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5368 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5369 LINUX_DYNAMIC_LINKER): Define.
5370 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5371 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5373 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5374 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5375 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5376 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5377 (TARGET_C99_FUNCTIONS): Don't define.
5378 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5379 GLIBC_DYNAMIC_LINKER.
5380 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5381 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5382 GLIBC_DYNAMIC_LINKER64): Define.
5383 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5384 LINUX_DYNAMIC_LINKER64.
5385 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5386 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5387 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5388 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5389 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5390 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5391 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5392 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5393 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5394 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5395 and LINUX_DYNAMIC_LINKER32.
5396 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5397 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5398 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5399 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5400 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5402 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5403 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5404 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5405 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5406 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5407 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5408 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5409 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5410 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5411 LINUX_DYNAMIC_LINKER): Define.
5412 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5413 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5414 GLIBC_DYNAMIC_LINKER64): Define.
5415 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5416 LINUX_DYNAMIC_LINKER64.
5417 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5418 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5419 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5420 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5421 LINUX_DYNAMIC_LINKER): Define.
5422 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5423 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5424 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5425 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5426 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5427 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5428 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5429 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5430 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5431 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5432 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5433 * doc/invoke.texi (-muclibc): Remove caveat about supported
5436 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5438 * doc/cpp.texi (__TIMESTAMP__): Document.
5440 2006-02-17 Roger Sayle <roger@eyesopen.com>
5443 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5444 C is one less than the width of X (and related transformations).
5445 * simplify-rtx.c (simplify_unary_operation_1): Transform
5446 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5447 depending on STORE_FLAG_VALUE, were C is one less then the
5450 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5452 Fix PR tree-optimization/26341
5453 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5454 about NAME_MEMORY_TAG's.
5456 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5459 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5460 with hardware float support, and software float support. Add fcpy
5461 alternative to hardware patterns. Add alternatives to copy between
5462 general and floating-point registers to the 32-bit pattern.
5463 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5464 secondary reload to load a QI or HI mode constant into a floating
5466 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5467 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5469 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5472 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5474 (load_macho_picbase_di): Likewise.
5476 2006-02-16 Jeff Law <law@redhat.com>
5478 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5479 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5480 (ssa_name_nonzero_p): Likewise.
5481 (get_value_range): Return NULL if VRP is not running.
5482 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5483 VRP routines do not discover a range.
5484 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5485 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5486 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5487 (tree_expr_nonnegative_p): Similarly.
5488 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5489 (restore_nonzero_vars_to_original_value): Remove.
5490 (unsafe_associative_fp_binop): Remove.
5491 (tree_ssa_dominator_optimize): Remove initialization and
5492 finalization of nonzero_vars and nonzero_vars_stack.
5493 (dom_opt_initialize_block): No longer push marker on
5495 (dom_opt_finalize_block): No longer call
5496 restore_nonzero_vars_to_original_value.
5497 (record_equivalences_from_phis): No longer look for
5498 nonzero PHI arguments.
5499 (cprop_into_successor_phis): No longer propagate nonzero
5500 property into PHI arguments. Lose unused argument. Caller
5502 (record_equivalences_from_stmt): No longer record nonzero
5503 values for SSA_NAMEs.
5504 (lookup_avail_expr): No longer use nonzero_vars.
5506 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5507 for sizetype when sizetype is unsigned.
5509 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5511 PR rtl-optimization/25603
5512 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5513 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5514 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5515 with new meaning of SETS.
5517 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5522 * config/linux.opt: New file.
5523 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5524 LINUX_DYNAMIC_LINKER): Define.
5525 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5526 * config.gcc (*-*-linux*): Define extra_options.
5527 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5528 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5529 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5530 GLIBC_DYNAMIC_LINKER.
5531 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5532 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5533 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5534 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5535 * doc/invoke.texi (GNU/Linux Options): New section.
5537 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5539 * config/sparc/sparc.md (setjmp): Rewrite.
5540 (setjmp_32): Delete.
5541 (setjmp_64): Likewise.
5543 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5545 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5548 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5550 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5553 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5555 PR rtl-optimization/26296
5556 * Makefile.in (loop-invariant.c): Add except.h dependency.
5557 * loop-invariant.c: Include except.h.
5558 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5560 2005-02-16 Paul Brook <paul@codesourcery.com>
5562 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5565 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5567 PR rtl-optimization/25636
5568 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5569 when deciding whether an insn is an initializing insn.
5571 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5573 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5574 (tree_code_size): Ditto.
5575 * tree.h (struct tree_memory_tag): Remove parent_var.
5576 (struct tree_struct_field_tag): New.
5579 (union tree_node): Add sft member.
5580 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5582 (create_sft): Add size and offset argument, set SFT_OFFSET and
5584 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5585 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5586 * tree-flow-inline.h (get_subvar_at): Update for
5587 SFT_OFFSET/SFT_SIZE.
5588 (var_can_have_subvars): Ditto.
5589 (overlap_subvar): Ditto.
5590 * print-tree.c (print_node): Print out interesting things for
5592 * tree-flow.h (struct subvar): Remove offset and size members.
5593 * tree-ssa-operands.c (get_expr_operands): Update for
5594 get_indirect_ref_operands changes.
5595 (get_indirect_ref_operands): Call add_virtual_operand instead of
5596 add_stmt_operand. Only recurse on base var if requested.
5597 (access_can_touch_variable): New function.
5598 (add_stmt_operand): Split virtual operand handling into ...
5599 (add_virtual_operand): Here. Add offset, size, and for_clobber
5600 arguments. Prune alias sets.
5601 (add_call_clobber_ops): Call add_virtual_operand.
5603 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5606 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5608 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5609 than TREE_CODE as index into omp_clause_num_ops array.
5611 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5613 PR rtl-optimization/26184
5614 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5616 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5617 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5618 must_precede, must_follow and tobe_scheduled.
5621 * opts.c (common_handle_option): Free new_option pointer.
5622 * df-core.c (df_analyze): Free postorder pointer.
5624 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5626 * Makefile.in: Fix the examples about the use of stamps
5628 2006-02-15 Michael Matz <matz@suse.de>
5632 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5633 influenced by maximum_field_alignment or DECL_PACKED.
5634 (update_alignment_for_field): Ditto.
5635 (place_field): Ditto.
5636 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5639 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5641 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5642 (debug_flow_info): Pass it.
5643 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5644 * bb-reorder.c (reorder_basic_blocks): Likewise.
5645 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5646 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5647 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5648 * gcse.c (gcse_main, bypass_jumps): Likewise.
5649 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5650 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5651 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5652 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5653 * rtl.h (dump_flow_info): Adjust prototype.
5654 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5655 * var-tracking.c (variable_tracking_main): Likewise.
5656 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5657 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5660 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5662 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5665 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5667 PR tree-optimization/26209
5668 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5669 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5671 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5673 2006-02-14 Roger Sayle <roger@eyesopen.com>
5676 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5677 (X,Y) and the corresponding symmetry related transformations.
5678 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5679 (X,Y) and its symmetry related transformations.
5681 2006-02-14 Roger Sayle <roger@eyesopen.com>
5683 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5686 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5688 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5690 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5693 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5694 support COMDAT group.
5695 * configure: Regenerate.
5697 2006-02-14 Roger Sayle <roger@eyesopen.com>
5702 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5704 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5706 Fix PR tree-optimization/26260
5708 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5710 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5711 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5712 * tree-ssa-structalias.c (create_variable_info_for): Use
5713 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5715 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5717 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5719 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5720 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5721 of the ending condition.
5722 * tree-ssa-loop-manip.c: Include params.h.
5723 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5724 tree_unroll_loop): New functions.
5725 * tree-pass.h (pass_loop_prefetch): Declare.
5726 * loop.c (rest_of_handle_loop_optimize): Test for
5727 -fprefetch-loop-arrays-rtl.
5728 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5729 * timevar.def (TV_TREE_PREFETCH): New timevar.
5730 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5731 pass_loop_prefetch): New.
5732 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5733 (cleanup_tree_cfg_loop): Call scev_reset.
5734 * common.opt (fprefetch-loop-arrays-rtl): Add.
5735 * tree-ssa-loop-prefetch.c: New file.
5736 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5737 (new_temp_expr_table): Initialize expr_vars.
5738 (free_temp_expr_table): Cleanup expr_vars.
5739 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5740 expressions from being merged into one.
5741 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5742 (struct tree_niter_desc): Add control, bound and cmp fields.
5743 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5745 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5746 (tree-cfgcleanup.o): Add SCEV_H dependency.
5747 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5748 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5750 2006-02-14 Richard Guenther <rguenther@suse.de>
5752 PR tree-optimization/26258
5753 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5754 in PHI argument processing.
5756 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5758 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5759 new expression in the requested machine mode.
5761 2006-02-13 Roger Sayle <roger@eyesopen.com>
5763 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5764 directly, instead let do_compare_rtx_and_jump handle this for us.
5765 * expr.c (expand_expr_real_1): Likewise.
5766 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5767 before do_jump_by_parts_greater.
5768 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5769 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5771 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5773 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5775 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5777 PR rtl-optimization/26235
5778 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5779 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5782 2006-02-13 Jeff Law <law@redhat.com>
5784 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5787 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5790 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5791 twice if decl is a builtin. When trying again, call get_callee_fndecl
5792 first to verify it is still a builtin.
5794 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5796 * dwarf2out.c (base_type_die): Don't add AT_name here.
5797 (subrange_type_die): Don't add AT_name here.
5798 (modified_type_die): Rearrange code flow. Do add AT_name here.
5800 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5802 PR rtl-optimization/26247
5803 PR rtl-optimization/26248
5804 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5806 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5808 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5809 * config/fixtfdi.c: Likewise.
5810 * config/fixunstfdi.c: Likewise.
5811 * config/floatditf.c: Likewise.
5813 2006-02-13 Roger Sayle <roger@eyesopen.com>
5816 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5817 into (X,C2) if C1 is a subset of the bits of C2. Transform
5818 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5820 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5822 2006-02-13 Josh Conner <jconner@apple.com>
5825 * varasm.c (function_section): Check for section name before
5826 calling select_section on targets that define
5827 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5828 unlikely_text_section instead of hot_function_section if
5829 first_function_block_is_cold.
5831 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5834 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5836 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5838 PR rtl-optimization/26222
5839 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5840 after tree->rtl expansion.
5841 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5842 before passing it to emit_move_insn.
5844 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5846 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5848 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5849 Clarify documentation.
5850 * c-common.h (warn_write_strings): Remove.
5851 * c-common.c (warn_write_strings): Likewise.
5852 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5855 2006-02-12 Roger Sayle <roger@eyesopen.com>
5858 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5859 (do_jump_parts_zero_rtx): New function renamed from
5860 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5861 (do_jump_parts_equality_rtx): New function split out from
5862 do_jump_parts_equality. Old implementation renamed as above.
5863 Call do_jump_parts_zero_rtx if either operand is zero.
5864 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5865 do all of the heavy lifting.
5866 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5867 calling either do_jump_by_parts_greater_rtx or
5868 do_jump_by_parts_equality_rtx.
5869 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5870 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5871 moved to do_compare_rtx_and_jump, call it directly.
5872 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5873 mode argument. Call do_compare_rtx_and_jump.
5874 (emit_case_nodes): Update calls to do_jump_if_equal.
5876 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5878 PR rtl-optimization/26225
5879 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5881 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5883 PR rtl-optimization/26232
5884 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5886 2006-02-11 Jason Merrill <jason@redhat.com>
5889 * tree-inline.c (declare_return_variable): Just don't use the
5890 modify target if it's a gimple complex reg and the return slot
5893 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5895 * doc/contrib.texi: Update my entry.
5897 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5899 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5901 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5903 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5906 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5908 * doc/invoke.texi (-floop-optimize2): Removed.
5909 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5910 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5911 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5912 * common.opt (floop-optimize2): Removed.
5913 (fmove-loop-invariants): Enabled by default.
5915 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5917 * tree-if-conv.c (combine_blocks): Free the result of
5918 get_loop_exit_edges.
5920 2006-02-10 Jeff Law <law@redhat.com>
5922 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5924 PR tree-optimization/26213
5925 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5926 loop trying to follow SSA_NAME_VALUE chains.
5928 2006-02-10 Richard Guenther <rguenther@suse.de>
5930 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5931 deal with structures that end in implicitly variable sized arrays.
5933 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5935 PR rtl-optimization/24762
5936 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5939 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5941 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5942 (struct ivopts_data): Add regs_used field.
5943 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5944 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5945 instead of loop_data->regs_used;
5946 (free_loop_data): Do not free aux fields for loops.
5947 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5948 and tree_ssa_iv_optimize_finalize.
5950 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5952 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5954 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5957 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5958 computing the effective result type.
5960 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5963 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5964 (tree_overlaps_hard_reg_set): Declare.
5965 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5966 type and signature to match function type expected by walk_tree.
5967 (tree_overlaps_hard_reg_set): New function.
5968 (decl_conflicts_with_clobbers_p): Rename to:
5969 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5970 Use tree_overlaps_hard_reg_set. Changed caller.
5971 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5972 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5973 * cris.c (cris_md_asm_clobbers): Likewise.
5975 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5977 * reload1.c (emit_input_reload_insns): Delete code that tries to
5978 inherit using find_equiv_reg.
5980 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5982 * c-common.h (flag_const_strings): Don't declare.
5983 * c-common.c (flag_const_strings): Remove.
5984 * c.opt (fconst_strings): Remove.
5985 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5986 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5987 (c_common_init_options): Don't set flag_const_strings.
5988 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5990 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5992 * arm.md (tlobits_cbranch): New pattern.
5993 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5994 testing a single bit.
5996 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5999 * tree-ssa-pre.c (create_component_ref_by_pieces):
6000 Handle RETURN_DECL like VAR_DECL.
6002 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6005 * fold-const.c (fold_indirect_ref_1): Fold
6006 "*(foo *)&complexfoo" to "__real__ complexfoo"
6007 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
6009 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
6011 * tree-flow-inline.h (var_can_have_subvars):
6012 Volatile variables should not have subvariables.
6014 2006-02-09 Diego Novillo <dnovillo@redhat.com>
6017 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
6018 multiplying unsigned values.
6021 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
6023 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
6025 2006-02-08 Jason Merrill <jason@redhat.com>
6028 * tree.def: Elaborate on difference from MODIFY_EXPR.
6029 * doc/c-tree.texi (INIT_EXPR): Likewise.
6030 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
6031 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
6032 (gimplify_target_expr): Likewise.
6033 (gimplify_cond_expr): Remove target handling.
6034 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
6035 (gimplify_expr): Clobber it here.
6036 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
6037 Do return slot optimization if we have an INIT_EXPR.
6040 * tree-inline.c (declare_return_variable): Also clear
6041 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
6044 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
6047 * gimplify.c (gimplify_one_sizepos): Fix typo.
6049 2006-02-08 Jeff Law <law@redhat.com>
6051 PR tree-optimization/21417
6052 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
6053 across a backedge if the control statement at the end of the
6054 block is data dependent on other statements in the same block.
6055 (record_temporary_equivalences_from_stmts): Remove over-conservative
6056 test for threading across backedges.
6058 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
6059 control statement, handle all three special cases in the same
6060 manner as they all have the same desired solution. No longer
6061 special case edge flag updating when the post dominator is
6064 2006-02-08 Roger Sayle <roger@eyesopen.com>
6066 * tree.def (CHAR_TYPE): Remove.
6067 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6068 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6069 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6070 (gen_string_type_die): Delete unreachable function.
6072 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6073 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6074 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6075 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6076 * builtins.c (type_to_class): Likewise.
6077 * fold-const.c (fold_convert, build_range_check,
6078 merge_ranges): Likewise.
6079 * expr.c (count_type_elements): Likewise.
6080 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6081 * stor-layout.c (layout_type): Likewise.
6082 * ipa-type-escape.c (type_to_consider): Likewise.
6083 * gimplify.c (omp_firstprivatize_type_sizes,
6084 gimplify_type_sizes): Likewise.
6085 * explow.c (promote_mode): Likewise.
6086 * tree-sra.c (is_sra_scalar_type): Likewise.
6087 * varasm.c (output_constant): Likewise.
6088 * tree-inline.c (remap_type_1): Likewise.
6089 * convert.c (convert_to_pointer, convert_to_real,
6090 convert_to_integer, convert_to_complex): Likewise.
6092 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6094 * df-scan.c (df_def_record_1): A set destination may
6095 be a parallel regardless of mode.
6097 2006-02-08 Roger Sayle <roger@eyesopen.com>
6100 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6101 * config/mips/_tilib.c: Remove.
6102 * config/fixtfdi.c: New libgcc source file.
6103 * config/fixunstfdi.c: New source file.
6104 * config/floatditf.c: New source file.
6105 * config/floatunditf.c: New souce file.
6106 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6107 files above instead of config/mips/_tilib.c.
6108 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6110 2006-02-08 Jeff Law <law@redhat.com>
6112 PR tree-optimization/26169
6113 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6116 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6118 * df.h (DF_REG_SIZE): Return the length of the initialized
6121 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6123 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6124 __muldf3): Return a correctly signed zero.
6126 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6128 * passes.c (register_one_dump_file): Accept the current properties
6129 instead of pass number. Adjust call to dump_register. Remove
6131 (register_dump_files): Now a wrapper around...
6132 (register_dump_files_1): ... this one. Do not modify the pass
6134 (next_pass_1): Cosmetic fix.
6135 (execute_todo): Keep second parameter only. Use curr_properties
6136 instead of fetching it from the pass structure. Check and set
6138 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6139 instead of fetching it from the pass structure. Fix calls to
6140 execute_todo. Update curr_properties and initialize .vcg RTL dump
6141 after running the pass. Reset last_verified.
6142 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6144 (FIRST_AUTO_NUMBERED_DUMP): New.
6145 (dump_register): Remove "num" parameter, assign it within the
6147 (get_dump_file_name): Modify template for dumps.
6148 * tree-dump.h (dump_register): Adjust prototype.
6149 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6150 (PROP_trees): Add PROP_gimple_lomp.
6151 (TODO_set_props): New.
6152 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6153 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6154 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6156 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6158 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6159 (sparc64-*-linux*): Likewise.
6160 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6161 * config/sparc/t-linux: New file.
6162 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6163 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6164 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6165 -m32 -mlong-double-128.
6167 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6168 * config/alpha/t-linux: New file.
6169 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6171 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6172 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6173 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6174 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6175 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6176 (CPP_ARCH32_SPEC): Remove.
6178 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6180 PR tree-optimization/26145
6181 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6184 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6187 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6188 >= 240000 when generating code for SOM runtime.
6189 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6190 to $$dyncall when generating code for SOM runtime..
6192 2006-02-07 Dirk Mueller <dmueller@suse.com>
6195 * doc/invoke.texi (-Wsequence-point): Update documentation
6196 that -Wsequence-point is implemented for C++ as well.
6198 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6200 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6201 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6202 (LIB_SPEC): Likewise.
6203 * doc/invoke.texi (SPARC options): Document -pthread.
6205 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6207 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6210 2006-02-07 Roger Sayle <roger@eyesopen.com>
6212 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6213 Correct comment describing BOOLEAN_TYPE.
6215 2006-02-07 Dirk Mueller <dmueller@suse.com>
6217 * c.opt: C++ frontend supports -Wdiv-by-zero.
6218 * c-opts.c (c_common_handle_option): Remove dead case.
6220 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6222 * configure.ac (TLS assembler check): Do not enable TLS by
6223 default on SPARC/Solaris before version 10.
6224 * configure: Regenerate.
6226 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6228 * doc/invoke.texi (xl-compat): Document conversion and support
6231 2006-02-07 Jeff Law <law@redhat.com>
6233 * tree-vrp.c (find_conditional_asserts): Update comments.
6234 (simplify_stmt_for_jump_threading): New.
6235 (identify_jump_threads, finalize_jump_threads): New.
6236 (vrp_finalize): Call identify_jump_threads.
6237 (execute_vrp): Call finalize_jump_threads.
6238 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6239 (vrp_element, vrp_data, vrp_element_p): Remove.
6240 (vrp_hash_elt, vrp_variables_stack): Remove.
6241 (vrp_hash, vrp_eq, record_range): Remove.
6242 (simplify_cond_and_lookup_avail_expr): Remove.
6243 (extract_range_from_cond): Remove.
6244 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6245 (simplify_stmt_for_jump_threading): New.
6246 (dom_thread_across_edge): New wrapper.
6247 (tree_ssa_dominator_optimize): No longer initialize or
6248 finalize any of the VRP datastructures. Remove iteration
6249 step and simplify as a result of removal of iteration step.
6250 (pass_dominator): Perform a cfg cleanup after DOM.
6251 (dom_opt_finalize_block): Use the new common routines
6252 for threading jumps. Simplify stack management slightly.
6253 No longer need to unwind VRP state.
6254 (record_equivalences_from_incoming_edge): No longer record
6256 (eliminate_redundant_computations): No longer call
6257 simplify_cond_and_lookup_avail_expr.
6258 * tree-flow.h (potentially_threadable_block): Prototype.
6259 (thread_across_edge): Likewise.
6260 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6261 (tree-ssa-threadedge.o): Add dependencies.
6262 * tree-ssa-threadedge.c: New file.
6263 * passes.c (init_optimization_passes): Merge PHIs before
6264 calling VRP. Run VRP again late in the SSA optimization pipeline.
6266 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6268 * df-core.c (df_set_blocks): Do not dereference function pointers.
6269 (df_finish1): Likewise.
6270 (df_hybrid_search_forward): Likewise.
6271 (df_hybrid_search_backward): Likewise.
6272 (df_iterative_dataflow): Likewise.
6273 (df_analyze_problem): Likewise.
6274 (df_compact_blocks): Likewise.
6275 (df_dump): Likewise.
6276 * df-scan.c (df_rescan_blocks): Likewise.
6277 (df_record_entry_block_defs): Likewise.
6279 * genconditions.c (write_conditions): Guard the definition of
6280 'insn_conditions' with the check on GCC version.
6281 (write_writer): Guard the traversal 'insn_conditions' with
6282 the check on GCC version.
6284 2006-02-07 Richard Guenther <rguenther@suse.de>
6288 2006-01-30 Richard Guenther <rguenther@suse.de>
6290 * gimplify.c (gimplify_target_expr): Handle easy cases
6291 without creating a temporary.
6293 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6295 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6296 use of float in probability computations. Use edge probabilities
6297 in place of statically computed probabilities.
6298 (min_spec_prob): New static variable.
6299 (schedule_insns): Initialize it.
6300 (GET_SRC_PROB): Removed.
6301 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6303 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6306 * config/ia64/unwind-ia64.c: Revert last change.
6307 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6308 (INCOMING_FRAME_SP_OFFSET): Define.
6310 2006-02-06 Roger Sayle <roger@eyesopen.com>
6312 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6314 2006-02-07 Ben Elliston <bje@au.ibm.com>
6316 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6317 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6318 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6319 (ix86_return_in_memory): Handle TDmode.
6320 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6321 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6323 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6325 * reorg.c (dbr_schedule): Use dump_file instead of file.
6327 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6330 * config/ia64/predicates.md (extr_len_operand): New predicate.
6331 * config/ia64/ia64.md (extv): Tighten constraints.
6333 (*tbit_and_2): Ditto.
6334 (*tbit_and_3): Ditto.
6335 (*tbit_or_2): Ditto.
6336 (*tbit_or_3): Ditto.
6340 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6343 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6345 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6347 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6348 loop_optimizer_init and loop_optimizer_finalize
6349 * tree-ssa-sink.c (execute_sink_code): Ditto.
6350 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6351 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6352 tree_ssa_loop_done): Ditto.
6353 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6354 * sched-ebb.c: Include output.h.
6355 (schedule_ebbs): Do not use dump argument.
6356 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6357 * loop.c (loop_dump_stream): Removed.
6358 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6360 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6361 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6362 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6363 loop_iterations, strength_reduce, record_biv, record_giv,
6364 final_giv_value, check_final_value, check_ext_dependent_givs,
6365 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6366 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6367 dump_file instead of loop_dump_stream.
6368 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6370 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6372 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6373 * haifa-sched.c: Include output.h
6374 (schedule_insns, sched_init): Do not use dump argument.
6375 * mode-switching.c (optimize_mode_switching): Ditto.
6376 * modulo-sched.c (stats_file): Removed.
6377 (print_node_sched_params): Do not call argument dump_file.
6378 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6379 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6381 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6383 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6384 rtl_loop_init, rtl_loop_done): Ditto.
6385 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6386 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6388 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6389 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6390 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6391 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6392 * emit-rtl.c (renumber_insns): Ditto.
6393 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6394 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6395 * regclass.c (regclass): Ditto.
6396 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6397 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6398 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6399 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6401 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6402 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6404 * gcse.c (gcse_file, debug_stderr): Removed.
6405 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6406 rest_of_handle_gcse): Do not use dump argument.
6407 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6408 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6409 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6410 compute_code_hoist_vbeinout, compute_code_hoist_data,
6411 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6412 compute_store_table, build_store_vectors, insert_insn_start_bb,
6413 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6414 store_motion): Use dump_file instead of gcse_file.
6415 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6416 * profile.c (profile_dump_file): Removed.
6417 (branch_prob): Use dump_file instead of profile_dump_file.
6418 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6420 * tree-ssa-copy.c (dump_copy_of): Ditto.
6421 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6422 dump file to life_analysis.
6423 * bt-load.c (branch_target_load_optimize): Ditto.
6424 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6426 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6427 regclass, dbr_schedule): Declaration changed.
6428 * sched-int.h (sched_init): Declaration changed.
6429 * tree-profile.c (tree_profile_dump_file): Removed.
6430 (tree_profile_hooks): Removed profile_dump_file hook.
6431 * rtl-profile (rtl_profile_dump_file): Removed.
6432 (rtl_profile_hooks): emoved profile_dump_file hook.
6433 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6435 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6436 * tree-cfg.c (build_tree_cfg): Ditto.
6437 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6438 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6439 Declaration changed.
6440 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6441 life_analysis and schedule_insns.
6442 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6444 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6446 * config/mips/mips.c (mips_reorg): Ditto.
6447 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6450 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6452 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6453 (s390_mangle_fundamental_type): New.
6454 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6457 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6458 (alpha_mangle_fundamental_type): New.
6459 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6462 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6464 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6466 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6467 (sparc_mangle_fundamental_type): New.
6469 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6471 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6472 (s390x-*-linux*): Likewise.
6473 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6474 * config/s390/t-linux: New file.
6476 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6478 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6479 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6481 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6483 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6484 (ANTIC_SAFE_LOADS): New macro.
6485 (find_or_generate_expression): Add prototype.
6486 (set_contains_value): Allow null set for sake of not always having
6487 to allocate ANTIC_SAFE_LOADS.
6488 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6489 Allow COMPONENT_REF too.
6490 (valid_in_set): Allow COMPONENT_REF.
6491 Check ANTIC_SAFE_LOADS too.
6492 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6493 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6495 (can_PRE_operation): Add COMPONENT_REF.
6496 (create_component_ref_by_pieces): New function.
6497 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6498 (insert_aux): Move AGGREGATE_TYPE_P check here.
6499 (compute_avail): Set bb local stmt uids.
6500 (pass_pre): Use TODO_update_ssa_only_virtuals.
6502 2006-02-06 Ben Elliston <bje@au.ibm.com>
6504 * configure.ac: Unconditionally disable decimal float by default.
6505 * configure: Regenerate.
6507 2006-02-06 Ben Elliston <bje@au.ibm.com>
6509 * read-rtl.c (read_name): Terminate reading on EOF.
6511 2006-02-06 Ben Elliston <bje@au.ibm.com>
6513 * dfp.c (decimal_real_arithmetic): Change second argument type
6514 from int to enum tree_code. Do not always return true, but now
6515 return result of any call to decimal_do helper functions.
6516 * dfp.h (decimal_real_arithmetic): Update prototype.
6518 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6520 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6522 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6525 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6528 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6530 * tree-vrp.c (cfg_loops): Removed.
6531 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6532 Use current_loops instead of cfg_loops. Pass flags to
6533 loop_optimizer_init.
6534 * cfgloopmanip.c (fix_loop_structure): Update only available
6536 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6537 loop_optimizer_init.
6538 * modulo-sched.c (build_loops_structure): Removed.
6539 (sms_schedule): Use loop_optimizer_init.
6540 * loop-init.c (loop_optimizer_init): Use flags to determine
6541 which properties of loops to prepare.
6542 (rtl_loop_init): Pass flags to loop_optimizer_init.
6543 * tree-ssa-sink.c (execute_sink_code): Ditto.
6544 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6545 * tree-ssa-pre.c (init_pre): Ditto.
6546 * cfgloop.h (LOOPS_NORMAL): New.
6547 (loop_optimizer_init): Declaration changed.
6549 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6551 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6552 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6554 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6556 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6558 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6559 * pa/t-pa64: Delete quadlib.c rule.
6560 * pa/x-ada: Revert last change.
6561 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6563 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6565 PR rtl-optimization/26087
6566 * rtlanal.c (canonicalize_condition): Do not cross basic block
6569 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6572 * config/ia64/ia64.c: Include debug.h.
6573 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6574 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6575 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6576 (process_epilogue, process_set, process_for_unwind_directive):
6577 Output unwind info only if requested. Add CFA info if requested.
6578 Add new arguments as needed. Adjust callers.
6579 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6581 (DWARF2_FRAME_INFO): Define to zero.
6582 * config/ia64/unwind-ia64.c: Remove code that compensated for
6583 the CFA offset error fixed above.
6584 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6585 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6586 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6587 -funwind-tables and -fexceptions to enable frame info.
6588 (dwarf2out_frame_init): Define initial CFA even if
6589 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6590 DWARF2_UNWIND_INFO is nonzero, not just defined.
6591 (dwarf2out_frame_finish): Output non-EH call frame info only
6592 if DWARF2_FRAME_INFO is nonzero.
6593 (convert_cfa_to_loc_list,
6594 compute_frame_pointer_to_cfa_displacement): Define even if
6595 unwind info is not supported.
6596 (gen_subprogram_die): Use the above unconditionally. Remove
6597 legacy alternate code.
6598 * toplev.c (compile_file): Compile in call to
6599 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6600 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6602 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6603 Jakub Jelinek <jakub@redhat.com>
6605 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6606 IBM extended float format long double as "g" on powerpc*-linux.
6608 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6611 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6612 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6614 2006-02-03 Jason Merrill <jason@redhat.com>
6617 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6620 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6621 on the return slot if it's an NRV.
6623 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6625 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6626 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6627 rewrite_use): Do not handle USE_OUTER.
6628 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6629 add_iv_outer_candidates, may_replace_final_value,
6630 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6631 (find_interesting_uses_op): Functionality of
6632 find_interesting_uses_outer_or_nonlin moved here.
6633 (find_interesting_uses_outside): Use find_interesting_uses_op.
6635 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6638 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6640 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6641 Ulrich Weigand <uweigand@de.ibm.com>
6644 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6645 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6646 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6647 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6649 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6650 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6651 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6652 Define secondary reloads for TFmode moves.
6653 (constant_modes): Add TFmode.
6654 (NR_C_MODES): Set to 8.
6655 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6657 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6658 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6659 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6660 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6661 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6662 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6663 (FPR mode macro): Add TFmode.
6664 (DSF mode macro): New.
6665 (<de>, <dee> mode attributes): Removed.
6666 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6667 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6668 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6669 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6670 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6671 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6672 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6673 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6674 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6675 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6676 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6677 "*negabs<mode>2", "sqrt<mode>2"):
6678 Changed <de> to <xde>. R constraint replaced by <Rf>.
6679 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6681 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6682 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6683 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6685 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6686 "extenddftf2", "extendsftf2"): New expanders.
6687 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6688 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6689 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6690 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6692 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6693 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6694 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6695 __floatditf): Add a GCC_4.1.0 symbol version tag.
6696 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6699 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6702 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6703 Use targetm.binds_local_p instead of TREE_PUBLIC.
6705 2006-02-02 Roger Sayle <roger@eyesopen.com>
6707 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6708 on INTEGER_TYPEs to indicate that it denotes a character type.
6709 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6710 signed_char_type_node, unsigned_char_type_node and char_type_node.
6711 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6712 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6713 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6715 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6716 Daniel Berlin <dberlin@dberlin.org>
6718 * tree-tailcall.c (arg_needs_copy_p): New function.
6719 (eliminate_tail_call): Use arg_needs_copy_p.
6720 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6721 (add_virtual_phis): New function.
6723 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6725 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6726 #ignore instead of #scratch for %g7 .register directive.
6728 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6730 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6733 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6735 * flow.c (calculate_global_regs_live): Assert that there aren't any
6738 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6740 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6742 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6743 bsi_after_labels iterator.
6744 * tree-if-conv.c (find_phi_replacement_condition,
6745 replace_phi_with_cond_modify_expr): Likewise.
6746 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6747 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6749 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6751 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6753 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6756 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6757 array after growing it.
6759 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6762 * fold-const.c (fold_checksum_tree): Change type of buf.
6764 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6766 * reload.c (push_secondary_reload): Initialize t_icode.
6768 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6770 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6771 -msoft-float -mlong-double-128 only issue a warning, but don't
6772 swich to DFmode long double.
6774 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6776 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6777 has a constant equivalent, iterate over equivalents for arg0,
6778 calling simplify_relational_operation and if there's a result
6779 cheaper than X, apply fold_rtx and return the result.
6781 2006-02-01 Jan Hubicka <jh@suse.cz>
6783 * opts.c (no_unit_at_a_time_default): New global variable.
6784 (decode_options): Use it.
6785 * opts.h (no_unit_at_a_time_default): Declare.
6787 2006-02-01 Paul Brook <paul@codesourcery.com>
6789 * function.c (assign_parm_setup_reg): Use function argument promotion
6791 * expr.c (expand_expr_real_1): Use function argument promotion rules
6794 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6796 * gcc.c (process_command): Change j to 'unsigned int'.
6798 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6801 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6802 Use the corrected index for the character
6803 out of the string constant.
6805 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6807 * mode-switching.c (optimize_mode_switching): Fix size
6808 allocated for bb_info[n_entities].
6810 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6812 * gcc.c (main): Correct type that is allocated for
6813 explicit_link_files.
6815 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6817 * config/s390/s390.c (init_alignment_context): Set
6818 ALIAS_SET_MEMORY_BARRIER on the MEM.
6819 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6821 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6824 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6826 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6829 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6831 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6832 * regrename.c: Ditto.
6833 * tree-ssa-loop-im.c: Ditto.
6834 * tree-dump.c: Ditto.
6835 * tree-complex.c: Ditto.
6836 * genrecog.c: Ditto.
6837 * tree-ssa-threadupdate.c: Ditto.
6839 * java/class.c: Ditto.
6840 * java/jcf-parse.c: Ditto.
6841 * java/resource.c: Ditto.
6842 * java/except.c: Ditto.
6843 * java/jvspec.c: Ditto.
6844 * java/jcf-write.c: Ditto.
6845 * java/jcf-path.c: Ditto.
6846 * java/gjavah.c: Ditto.
6847 * java/zextract.c: Ditto.
6848 * java/jcf-io.c: Ditto.
6849 * java/jcf.h: Ditto.
6850 * java/buffer.c: Ditto.
6851 * java/lang.c: Ditto.
6852 * java/parse-scan.y: Ditto.
6853 * java/lex.c: Ditto.
6854 * java/lex.h: Ditto.
6855 * cfgloopmanip.c: Ditto.
6856 * postreload-gcse.c: Ditto.
6857 * tree-ssa-loop-manip.c: Ditto.
6858 * postreload.c: Ditto.
6859 * tree-ssa-loop-ch.c: Ditto.
6863 * diagnostic.c: Ditto.
6865 * genoutput.c: Ditto.
6867 * cfghooks.c: Ditto.
6868 * cfgloopanal.c: Ditto.
6869 * objc/objc-act.c: Ditto.
6871 * genextract.c: Ditto.
6872 * genautomata.c: Ditto.
6873 * pretty-print.c: Ditto.
6875 * cgraphunit.c: Ditto.
6878 * haifa-sched.c: Ditto.
6879 * dominance.c: Ditto.
6881 * tree-ssa-loop-ivopts.c: Ditto.
6883 * mode-switching.c: Ditto.
6884 * modulo-sched.c: Ditto.
6886 * ipa-pure-const.c: Ditto.
6888 * fix-header.c: Ditto.
6890 * tree-stdarg.c: Ditto.
6891 * ipa-utils.c: Ditto.
6892 * loop-init.c: Ditto.
6893 * ipa-inline.c: Ditto.
6896 * alloc-pool.c: Ditto.
6897 * dwarf2out.c: Ditto.
6899 * genattrtab.c: Ditto.
6900 * tree-ssa-loop-ivcanon.c: Ditto.
6904 * fortran/gfortranspec.c: Ditto.
6906 * local-alloc.c: Ditto.
6907 * langhooks.c: Ditto.
6908 * function.c: Ditto.
6909 * tree-vectorizer.c: Ditto.
6911 * ipa-type-escape.c: Ditto.
6913 * tree-if-conv.c: Ditto.
6916 * tree-data-ref.c: Ditto.
6917 * loop-unroll.c: Ditto.
6918 * treelang/treetree.c: Ditto.
6921 * ggc-common.c: Ditto.
6923 * coverage.c: Ditto.
6925 * tree-cfgcleanup.c: Ditto.
6926 * tree-ssa-pre.c: Ditto.
6927 * cfgcleanup.c: Ditto.
6928 * loop-invariant.c: Ditto.
6930 * ipa-prop.c: Ditto.
6931 * print-tree.c: Ditto.
6932 * conflict.c: Ditto.
6933 * ggc-page.c: Ditto.
6934 * sched-deps.c: Ditto.
6935 * regclass.c: Ditto.
6936 * tree-object-size.c: Ditto.
6938 * bb-reorder.c: Ditto.
6939 * resource.c: Ditto.
6940 * var-tracking.c: Ditto.
6942 * df-problems.c: Ditto.
6943 * reg-stack.c: Ditto.
6946 * sched-rgn.c: Ditto.
6947 * tree-ssa-structalias.c: Ditto.
6948 * tree-ssa-reassoc.c: Ditto.
6949 * config/darwin-c.c: Ditto.
6950 * config/darwin.c: Ditto.
6951 * config/arm/arm.c: Ditto.
6953 * collect2.c: Ditto.
6956 2006-01-31 Nicolas Pitre <nico@cam.org>
6958 * arm.md (smaxsi3): Make aware of smax_m1.
6961 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6963 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6965 2006-01-31 Richard Guenther <rguenther@suse.de>
6967 * doc/invoke.texi (-msselibm): Document.
6968 * target.h (expand_library_builtin): New target hook.
6969 * builtins.c (expand_builtin): Use expand_library_builtin.
6970 (default_expand_library_builtin): New function.
6971 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6972 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6973 (link_gcc_math_spec): Declare.
6974 (static_specs): Add link_gcc_math_spec.
6975 * expr.h (default_expand_library_builtin): Declare.
6976 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6977 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6978 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6979 * config/i386/i386.opt (msselibm): New target option.
6980 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6981 (ix86_init_sse_abi_builtins): New function.
6982 (ix86_expand_library_builtin): Likewise.
6983 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6984 (override_options): Handle error conditions wrt -msselibm.
6985 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6986 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6987 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6990 2006-01-31 Richard Guenther <rguenther@suse.de>
6991 Paolo Bonzini <bonzini@gnu.org>
6993 * doc/install.texi (--disable-libgcc-math): Document.
6995 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6997 * expr.h (expand_normal): new inline function.
6998 * builtins.c: use it, use EXPAND_NORMAL explicitely.
7000 * dwarf2out.c: use it.
7005 * config/sparc/sparc.c: use it.
7006 * config/i386/i386.c: use it.
7007 * config/rs6000/rs6000.c: use it.
7008 * config/arm/arm.c: use it.
7009 * config/mips/mips.c: use it.
7010 * stmt.c: use it, use EXPAND_NORMAL explicitely.
7012 2006-01-30 Roger Sayle <roger@eyesopen.com>
7014 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
7015 argv to the appropriate type.
7017 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
7019 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
7022 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
7025 * config/s390/s390.c (struct machine_function): New flag
7026 decomposed_literal_pool_addresses_ok_p.
7027 (s390_reorg): Set it before final stage of literal pool transforms.
7028 (s390_decompose_address): Only accept displacements of the form
7029 (minus (label_ref ...) (label_ref ...)) if that flag is set.
7031 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
7033 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
7034 the comparison routine return.
7036 2006-01-30 Michael Matz <matz@suse.de>
7038 * global.c (find_reg): Only evict for global regs.
7039 Take n_refs into account and dump more info.
7041 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
7044 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
7045 (pragma_trap, pragma_nosave_low_regs): Likewise.
7046 (current_function_anonymous_args): Likewise.
7047 (sh_deferred_function_attributes): New variable.
7048 (sh_deferred_function_attributes_tail): Likewise.
7049 (print_operand): For '@', look up trap_exit attribute.
7050 (calc_live_regs): Look up trapa_handler attribute. For trapa
7051 handlers, save/restore fpscr, but don't do any other
7052 interrupt-specific saves.
7053 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
7054 Fix check for partially saved registers to check for SHmedia.
7055 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
7056 (sh_output_function_epilogue): Don't clear any of the removed
7058 (sh_insert_attributes): Don't check pragma_interrupt.
7059 Insert deferred attributes. Check that interrupt attribute is
7060 present for other attributes that require its presence.
7061 (sh_attribute_table): Add new attributes trapa_handler and
7063 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
7064 Don't check for pragma_interrupt. Don't store argument.
7065 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7066 (sh_deferred_function_attributes): Declare.
7067 (sh_deferred_function_attributes_tail): Likewise.
7068 * sh.md (sp_switch_1): Add operand. Change generator caller.
7069 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7070 (*return_i): Don't use when trap_exit attribute is in effect.
7071 (*return_trapa): New insn pattern.
7073 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7074 setting c_target_objs and cxx_target_objs.
7075 * t-sh: Add rule for sh-c.o.
7077 2006-01-30 Richard Guenther <rguenther@suse.de>
7080 * gimplify.c (gimplify_target_expr): Handle easy cases
7081 without creating a temporary.
7083 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7085 * vec.h (safe_grow): Remove duplicated line.
7087 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7090 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7091 (expand_omp): ... here.
7092 (expand_omp_parallel): Only remove barriers for combined
7093 parallel+workshare constructs.
7095 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7099 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7100 * tree.c (build_qualified_type): Chain the new type to the original
7101 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7102 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7103 (build_pointer_type_for_mode): Only return unqualified types.
7104 (build_reference_type_for_mode): Likewise.
7106 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7108 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7109 * Makefile.in (CXX_COMPAT_WARN): Define.
7110 * configure: Regenerate.
7112 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7115 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7118 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7120 * toplev.c: Fix thinko.
7122 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7123 Marcin Dalecki <martin@dalecki.de>
7125 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7126 (push_srcloc): Use XNEW.
7127 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7129 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7131 * df-core.c (df_set_blocks): Deleted all variable.
7133 2006-01-28 Ian Lance Taylor <ian@airs.com>
7135 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7136 cgraph_output_pending_asms.
7138 2006-01-28 Zack Weinberg <zackw@panix.com>
7140 * c.opt: Add -W(no-)overlength-strings.
7141 * doc/invoke.texi: Document it.
7142 * c-opts.c (c_common_handle_option): -pedantic implies
7143 -Woverlength-strings, if not explicitly disabled already.
7144 (c_common_post_options): -Woverlength-strings defaults to off, and
7145 is always off for C++.
7146 * c-common.c (fix_string_type): Issue warning about strings longer
7147 than is portable only if warn_overlength_strings. Rearrange code
7148 a little for clarity.
7149 * configure.in: Check for -Wno-overlength-strings as well before
7150 enabling -pedantic in stage 1.
7151 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7152 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7154 * genconditions.c (write_header, write_one_condition)
7155 (write_conditions, write_writer): Consolidate very long strings
7156 that were broken up to fit in C89 portable limit. Don't use
7157 printf when fputs will do.
7159 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7161 * combine.c (simplify_comparison <AND>): Check
7162 TRULY_NOOP_TRUNCATION before start using a subreg.
7164 * config/mips/mips.md (*branch_zero<mode>,
7165 *branch_zero<mode>_inverted, *branch_equality<mode>,
7166 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7167 Remove mode check from comparisons.
7169 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7171 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7173 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7175 * expmed.c (const_mult_add_overflow_p): Remove.
7176 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7178 * recog.c (validate_replace_rtx_subexp): Remove.
7179 * recog.h: Remove the prototype for
7180 validate_replace_rtx_subexp.
7182 * integrate.h: Remove the prototype for
7183 copy_decl_for_inlining.
7184 * rtl.h: Remove the prototype for mark_constant_function.
7185 * tree-vectorizer.h: Remove the prototype for
7186 vect_strip_conversion.
7188 * modulo-sched.c (create_partial_schedule,
7189 free_partial_schedule, reset_partial_schedule): Make them
7192 * hooks.c (hook_bool_rtx_int_false): Remove.
7193 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7195 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7197 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7198 and -mlong-double-128 are incompatible.
7199 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7200 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7201 (TARGET_LIBGCC2_CFLAGS): Define.
7202 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7203 (TARGET_LIBGCC2_CFLAGS): Same.
7204 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7206 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7209 * c-typeck.c (build_binary_op): Perform implicit casts of
7210 operands before shortening them.
7212 * cfgloopmanip.c (split_loop_bb): Remove.
7213 * cfgloop.h: Remove the prototype for split_loop_bb.
7215 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7216 * cfgloop.h: Remove the prototype for
7217 flow_loop_outside_edge_p.
7219 * emit-rtl.c (init_virtual_regs): Make it static.
7220 * function.h: Remove the prototype for init_virtual_regs.
7222 * recog.c (peephole2_optimize): Make it static.
7223 * recog.h: Remove the prototype for peephole2_optimize.
7225 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7227 * df-scan.c (df_record_entry_block_defs): Check if
7228 INCOMING_RETURN_ADDR_RTX is defined.
7230 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7231 Kenneth Zadeck <zadeck@naturalbridge.com>
7233 PR rtl-optimization/24762
7234 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7235 * targhooks.c (hook_void_bitmap): New hook prototype.
7236 * targhoohs.h (hook_void_bitmap): Ditto.
7237 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7238 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7239 * target.h (live_on_entry): New function pointer.
7240 * df-scan.c (df_all_hard_regs): Removed.
7241 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7242 (df_scan_free_internal): Added df->entry_block_defs.
7243 (df_scan_alloc): Ditto.
7244 (df_scan_dump): Ditto.
7245 (df_uses_record): Plumbed flag field properly thru calls.
7246 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7247 This part fixes PR24762.
7248 (df_bb_refs_record): Added code to make the frame and arg
7249 pointers live in EH blocks.
7250 (df_refs_record): Added call to df_record_entry_block_defs.
7251 (df_record_entry_block_defs): New function.
7252 * df-core.c: Added comments to describe new artifical defs.
7253 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7254 (entry_block_defs): New field in struct df.
7255 (df_all_hard_regs): Deleted.
7256 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7257 * df-problems.c (df_ru_bb_local_compute_process_def):
7258 Added code to handle artifical defs in the entry to a function.
7259 (df_ru_bb_local_compute): Ditto.
7260 (df_rd_bb_local_compute_process_def): Ditto.
7261 (df_rd_bb_local_compute): Ditto.
7262 (df_lr_bb_local_compute): Ditto.
7263 (df_ur_bb_local_compute): Ditto.
7264 (df_urec_bb_local_compute): Ditto.
7265 (df_chain_create_bb): Ditto.
7266 (df_ur_local_finalize): Removed entry.
7267 (df_urec_init): Ditto.
7268 (df_urec_local_finalize): Ditto.
7269 (df_ri_bb_compute): Added detection of last use of pseudos.
7270 * Makefile.in (df-scan.o): Updated dependencies.
7271 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7272 * config/mips/mips.c (mips_set_live_on_entry): Added.
7273 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7275 * dce.c (marked_insn_p): Added code to handle artifical defs.
7277 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7279 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7281 (_mm_cvtsi128_si64): Likewise.
7282 (_mm_cvtsd_si64): Likewise.
7283 (_mm_cvttsd_si64): Likewise.
7284 (_mm_cvtsi64_sd): Likewise.
7285 (_mm_cvtsi64_si128): Likewise.
7286 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7287 (_mm_cvtsi64_m64): Likewise.
7288 (_m_to_int64): Likewise.
7289 (_mm_cvtm64_si64): Likewise.
7290 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7291 (_mm_cvttss_si64): Likewise.
7292 (_mm_cvtsi64_ss): Likewise.
7293 (_mm_cvtss_f32): Likewise.
7295 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7297 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7298 for pragma redefine_extname.
7300 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7303 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7304 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7305 -mno-minimal-toc to previous content.
7306 (bispecs): Remove goal.
7307 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7308 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7309 compatibility aliases on powerpc-*-*gnu*.
7310 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7311 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7312 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7313 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7314 (ldblspecs): New goal.
7315 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7316 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7318 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7319 L_sf_to_tf or L_df_to_tf is defined.
7321 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7322 Alan Modra <amodra@bigpond.net.au>
7325 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7326 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7327 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7328 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7329 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7330 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7331 (rs6000_override_options): Initialize rs6000_ieeequad.
7332 Initialize TFmode format to ibm_extended_format if not
7334 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7336 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7337 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7338 (function_arg_advance): IBM long double passed in two FPRs, not
7340 (function_arg): IBM long double passed in FPRs.
7341 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7342 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7343 Only multireg GPR aligned.
7344 (rs6000_init_libfuncs): Enable IBM long double functions if not
7346 (rs6000_generate_compare): Use IBM long double compare if not
7348 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7349 (TARGET_IEEEQUAD): Define.
7350 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7351 not TARGET_IEEEQUAD.
7352 * config/rs6000/rs6000.md: Enable TFmode patterns if
7354 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7355 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7356 and -mlong-double-128 are incompatible.
7357 * doc/invoke.texi (-mabi): Collect options together. Add
7358 ibmlongdouble and ieeelongdouble.
7360 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7362 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7364 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7365 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7366 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7367 * rtl.h (rtunion_def): Remove rt_ptr.
7369 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7370 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7371 * config/i386/winnt.c (i386_pe_mark_dllexport)
7372 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7374 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7376 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7378 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7382 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7383 pthread_key_delete. From John David Anglin. gthrw-ify
7384 pthread_getunique_np only if it it's not a macro. Delete
7386 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7387 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7388 __gthread_objc_condition_signal, __gthread_key_delete): Add
7389 "__attribute__ ((__unused__))" to unused arguments.
7390 (__gthread_recursive_mutex_init_function): Add missing return.
7391 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7392 gthr-posix95.h: Use macro-based approach for name redirection
7393 on targets missing weakref.
7395 2006-01-26 Zack Weinberg <zackw@panix.com>
7397 * genconditions.c (write_header): In generated code, #ifdef out
7398 all includes and fake declarations, except includes of bconfig.h
7399 and system.h, unless GCC_VERSION >= 3001. Do not include
7400 gensupport.h in any case.
7401 (write_conditions): Generate a definition of struct c_test. Add
7402 a comment to the generated #endif.
7403 (write_one_condition): Escape backslashes in string too.
7404 (write_writer): Generated code must escape backslashes and quote
7405 marks (but not newlines) in the strings it writes.
7406 * Makefile.in (build/gencondmd.o): Update dependencies.
7408 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7411 * Makefile.in (insn-automata.o): Add header file dependencies.
7412 * genautomata.c: Add includes.
7414 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7417 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7419 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7421 * configure.ac: Expect target tools paths to be passed from the toplevel
7422 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7424 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7426 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7429 * c.opt (Wpointer-sign): Init to -1.
7430 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7431 OPT_pedantic, to 0 otherwise.
7432 * doc/invoke.texi: Update.
7434 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7436 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7437 constants provided by 80387 instructions in the destination mode.
7439 2006-01-26 Richard Guenther <rguenther@suse.de>
7440 Andrew Pinski <pinskia@physics.uc.edu>
7443 partial PR tree-opt/17064
7444 * tree-ssa-structalias.c (intra_create_variable_infos):
7445 Create heap variables for incoming parameters if
7446 flag_argument_noalias > 1.
7447 (find_what_p_points_to): Look through default defs of
7450 2006-01-26 Jeff Law <law@redhat.com>
7453 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7454 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7455 within the VR_RANGE, use the VR_RANGE as the result, not the
7457 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7458 bounds for the type.
7460 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7462 * tree-ssa-alias.c (maybe_create_global_var): Change
7463 subvar walking to an assertion that we don't have subvar'd variables.
7465 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7468 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7469 Use a new variable, inner. PARM_DECLs are always non-weak.
7471 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7473 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7476 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7478 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7480 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7482 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7483 (smax_insn, smin_insn, smax_0, smin_0): New.
7485 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7488 * config/cris/cris.c (cris_order_for_addsi3): New function.
7489 * config/cris/cris-protos.h: Prototype it.
7490 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7491 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7492 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7493 (split for "op.S1 [rx=rx+i],ry (swapped)")
7494 (split for "op(s|u).S1 [rx=rx+i],ry")
7495 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7496 Apply cris_order_for_addsi3 when generating addsi3 insns.
7498 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7500 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7501 (TREE_BLOCK): Add call to EXPR_CHECK.
7503 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7506 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7507 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7508 (dump_omp_clauses): ... here.
7509 (dump_generic_node): Handle OMP_CLAUSE.
7510 * tree.c (omp_clause_num_ops): New.
7511 (omp_clause_code_name): New.
7512 (tree_code_size): Handle OMP_CLAUSE.
7513 (tree_size): Likewise.
7514 (make_node): Document handling of OMP_CLAUSE.
7515 (tree_node_structure): Handle OMP_CLAUSE.
7516 (omp_clause_check_failed): New.
7517 (omp_clause_range_check_failed): New.
7518 (omp_clause_operand_check_failed): New.
7519 (build_omp_clause): New.
7520 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7521 * tree.h (enum omp_clause_code): Declare.
7522 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7523 (OMP_CLAUSE_RANGE_CHECK): Define.
7524 (OMP_CLAUSE_ELT_CHECK): Define.
7525 (omp_clause_check_failed): Declare.
7526 (omp_clause_operand_check_failed): Declare.
7527 (omp_clause_range_check_failed): Declare.
7528 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7529 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7530 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7531 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7532 (OMP_CLAUSE_IF_EXPR): Likewise.
7533 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7534 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7535 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7536 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7537 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7538 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7539 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7540 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7541 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7542 (OMP_CLAUSE_CODE): Define.
7543 (OMP_CLAUSE_SET_CODE): Define.
7544 (OMP_CLAUSE_CODE): Define.
7545 (OMP_CLAUSE_OPERAND): Define.
7546 (struct tree_omp_clause): Declare.
7547 (union tree_node): Add field 'omp_clause'.
7548 * treestruct.def (TS_OMP_CLAUSE): Define.
7549 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7550 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7551 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7552 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7553 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7554 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7555 (OMP_CLAUSE): Define.
7556 * print-tree.c (print_node): Handle OMP_CLAUSE.
7557 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7558 * c-typeck.c: Likewise.
7559 * gimplify.c: Likewise.
7560 * c-omp.c: Likewise.
7561 * tree-nested.c: Likewise.
7562 * tree-inline.c: Likewise.
7563 * c-parser.c: Likewise.
7564 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7567 2006-01-25 Roger Sayle <roger@eyesopen.com>
7569 PR rtl-optimization/25703
7570 * combine.c (try_combine): Handle zero_extract and strict_low_part
7571 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7573 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7575 * global.c: Fix comment typos.
7577 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7580 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7581 Use output_addr_const instead of assemble_name.
7583 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7585 * Makefile.in (sched-vis.o): Update dependencies.
7586 * haifa-sched.c (sched_finish): Clear current_sched_info.
7587 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7588 (dump_flow_info): Call it.
7589 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7591 * basic-block.h (dump_bb_info): Declare.
7592 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7593 option, and apply options only for dump files whose TDF_RTL,
7594 TDF_TREE, or TDF_IPA bits match.
7595 * rtl.h: Declare new functions exported from sched-vis.c.
7596 * sched-vis.c: Enable also if scheduling is not used.
7597 (print_value): Print the mode of registers if not inside scheduling.
7598 (print_insn): Make it work outside the scheduler. Beautify the output
7600 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7602 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7604 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7605 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7606 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7607 depending on the value of CONSTANT_POOL_ADDRESS_P.
7608 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7610 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7611 rather than SYMBOL_REF_DECL.
7612 (rtx_constant_pool): Remove const_rtx_sym_htab.
7613 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7614 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7615 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7616 Remove handling of const_rtx_sym_htab.
7617 (find_pool_constant): Delete.
7618 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7619 rather than find_pool_constant.
7620 (get_pool_constant_for_function): Delete.
7621 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7623 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7624 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7625 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7626 (SYMBOL_REF_CONSTANT): New macro.
7627 (get_pool_constant_for_function): Delete.
7628 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7629 rather than SYMBOL_REF_DECL.
7630 (i386_pe_mark_dllimport): Likewise.
7631 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7632 rather than SYMBOL_REF_DECL.
7633 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7634 (machopic_indirect_call_target): Likewise.
7636 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7638 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7640 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7642 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7644 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7646 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7648 2006-01-24 David Daney <ddaney@avtrex.com>
7651 * configure.ac (enable_tls): New enable option.
7652 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7653 * configure: Regenerate.
7654 * doc/install.texi (--enable-tls): Document new option.
7655 (--disable-tls): Ditto.
7657 2006-01-24 Richard Henderson <rth@redehat.com>
7659 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7660 * alias.c (true_dependence): Respect it.
7661 (canon_true_dependence, write_dependence_p): Likewise.
7662 * builtins.c (get_builtin_sync_mem): Set it.
7664 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7666 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7669 2006-01-24 DJ Delorie <dj@redhat.com>
7671 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7672 for storing constants in single-bit bitfields.
7674 2006-01-25 Ben Elliston <bje@au.ibm.com>
7676 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7678 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7681 * tree-ssa-pre.c (phi_translate): Return NULL
7682 for AGGREGATE_TYPE's.
7684 2006-01-24 Zack Weinberg <zackw@panix.com>
7686 * genautomata.c (process_state_for_insn_equiv_partition):
7687 Use xcalloc for insn_arcs_array.
7688 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7689 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7691 2006-01-24 Richard Henderson <rth@redhat.com>
7693 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7696 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7698 PR rtl-optimization/25890
7699 PR rtl-optimization/25905
7700 * combine.c (expand_compound_operation, expand_field_assignment):
7701 Fail if the bitfield's final position is out of bounds.
7703 2006-01-24 Ian Lance Taylor <ian@airs.com>
7706 * cgraphunit.c (cgraph_output_in_order): Don't clear
7707 cgraph_asm_nodes until after asm strings have been output.
7709 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7711 * fix-header.c (read_scan_file): Add new parameter imultilib when
7712 calling register_include_chains.
7714 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7716 * omp-low.c: Update documentation.
7718 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7719 Daniel Berlin <dberlin@dberlin.org>
7723 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7724 return from the function.
7726 2006-01-22 Zack Weinberg <zackw@panix.com>
7728 * rtl.def (match_code): Add second argument.
7729 * genpreds.c (write_extract_subexp): New function.
7730 (write_match_code): Add path argument. Use write_extract_subexp.
7731 (write_predicate_expr): Pass path to write_match_code.
7732 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7733 not perform a mode test.
7734 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7735 a subexpression does not constrain the top-level code set.
7736 * read-rtl.c (read_rtx_variadic): New function.
7737 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7738 * doc/md.texi: Document new notation.
7739 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7740 (cmpsi_operand): ... here, using new notation.
7742 2006-01-22 Zack Weinberg <zackw@panix.com>
7744 * varray.c: Remove GENERATOR_FILE #ifdefs.
7746 2006-01-22 Zack Weinberg <zackw@panix.com>
7748 * genautomata.c (output_reserved_units_table): Emit nothing if
7749 description->query_units_num is zero. Remove extra blank line.
7750 (output_cpu_unit_reservation_p): Short circuit
7751 if description->query_units_num is zero.
7753 2006-01-22 Zack Weinberg <zackw@panix.com>
7755 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7756 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7757 nor any of the random handful of variables that used to be necessary
7758 when this program was linked with rtlanal.o. Prune set of forward
7759 function declarations.
7760 (struct attr_desc): Remove static_p field.
7761 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7762 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7763 (attr_string): Do not read the character one past the length of
7765 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7766 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7767 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7768 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7769 (make_automaton_attrs): New.
7770 (main): Do not call into genautomata. Call local gen_bypass
7771 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7772 Remove special case for insn_alts.
7773 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7774 varray.h (leftover from previous change). Prune set of forward
7775 function declarations. Remove state_alts fields from all
7776 structures. Remove state_alts_table from struct automaton.
7777 Make everything except main static. Do not maintain num_dfa_decls.
7778 Do not maintain state_alts fields of various structures.
7779 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7780 (add_arc): Remove state_alts argument. All callers updated.
7781 (output_reserved_units_table): Emit #ifdef here...
7782 (output_tables): ...not here. Don't generate state_alts tables.
7783 (expand_automata): Don't generate attributes.
7784 (write_automata): Don't generate state_alts functions.
7785 (main): New function.
7786 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7787 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7788 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7789 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7790 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7791 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7792 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7793 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7795 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7796 * genattrtab.h: Delete file.
7797 * Makefile.in (OBJS-common): Add insn-automata.o.
7798 (insn-automata.o): New rule.
7799 (simple_generated_c): Add insn-automata.c.
7800 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7801 (genprogmd): Add automata.
7802 (build/genattrtab): Needs no extra objects nor libraries.
7803 (build/genautomata): Needs build/vec.o and -lm.
7805 2006-01-22 Zack Weinberg <zackw@panix.com>
7807 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7808 (output_dfa_max_issue_rate, locked_states_num): Delete.
7809 (struct automaton): Add locked_states field.
7810 (output_dead_lock_vect): Save number of locked states in
7811 automaton->locked_states. If it is zero, don't print anything.
7812 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7813 (output_internal_dead_lock_func): Only test the dead_lock_vect
7814 for automata that have locked states.
7815 (output_statistics): Always print the number of locked states for
7816 each automaton. Calculate total number of locked states here.
7817 (write_automata): Don't call output_dfa_max_issue_rate.
7818 * genattrtab.c: Define length_unit_log as a const variable.
7819 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7820 max_insn_queue_index const.
7821 * final.c (length_unit_log): Declare const.
7822 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7824 2006-01-22 Zack Weinberg <zackw@panix.com>
7826 * genautomata.c: Include vec.h, not varray.h.
7827 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7828 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7829 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7830 VEC_* macros operating on appropriately typed vectors, or to
7831 malloced arrays when the size is known in advance. Const-ify
7832 many char* variables and function arguments. No functional changes.
7833 * Makefile.in (build/varray.o): Delete rule.
7834 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7835 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7837 2006-01-22 Zack Weinberg <zackw@panix.com>
7839 * gensupport.c: Define get_insn_name and record_insn_name here.
7840 (read_md_rtx): Call record_insn_name as appropriate.
7841 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7842 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7843 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7845 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7846 (BUILD_VARRAY): Delete.
7847 (genprognormal): Rename genprogmd. Fold in all programs from
7848 genprognoprint; also attrtab.
7849 (build/genattrtab): Just mention genautomata.o and varray.o.
7850 Reorganize a bit, add comments to make the categories clearer.
7852 2006-01-22 Zack Weinberg <zackw@panix.com>
7854 * genconditions.c (condition_table, add_condition): Delete.
7855 (write_conditions): Don't emit n_insn_conditions nor
7856 insn_elision_unavailable. Issue the gcc version #ifdef here,
7857 inside the table, with no #else clause ...
7858 (write_header): ...not here.
7859 (write_writer): New function.
7860 (main): Don't initialize condition_table. Use add_c_test.
7862 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7863 files on the command line.
7864 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7865 Return -1 if there is no entry in the table, don't abort.
7866 (add_c_test, traverse_c_tests): New functions.
7867 * gensupport.h (insn_elision_unavailable, insn_conditions)
7868 (n_insn_conditions): Delete declarations.
7869 (add_c_test, traverse_c_tests): Declare.
7870 * read-rtl.c: Include gensupport.h.
7871 (read_conditions): New function.
7872 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7873 (read_rtx_1): If we get EOF when we were looking for an initial
7874 open paren, return 0. Call read_conditions when appropriate.
7875 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7876 dummy-conditions.o. Eliminate references to insn-conditions.o,
7877 or change them to build/gencondmd.o, as appropriate. Remove
7878 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7879 from $(simple_generated_c). For all files remaining in those
7880 two lists, add insn-conditions.md to the generator command line.
7881 Give insn-constants.h/s-constants their own rules. Add rules
7882 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7883 (build/read-rtl.o): Depend on gensupport.h.
7884 (genprognormal): Include preds.
7885 (genprogearly): Rename genprognoprint; only difference is now that
7886 they don't link with $(BUILD_PRINT).
7887 * dummy-conditions.c: Delete.
7889 2006-01-22 Zack Weinberg <zackw@panix.com>
7891 * genextract.c: Don't include insn-config.h. Do include vec.h.
7892 Declare vectors of int, char, and locstr.
7893 (locstr): New typedef.
7894 (struct extraction): Make all array fields into bare pointers.
7895 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7896 (insn_code_number): Delete.
7897 (accum_extract): New struct.
7898 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7899 (gen_insn): Take insn_code_number as an argument. Use an
7900 accum_extract structure instead of loading data directly into
7901 a struct extraction, and having to know how big it might get.
7902 (walk_rtx): Operate entirely on an accum_extract structure.
7903 (print_path): Avoid unnecessary use of printf.
7904 (print_header): New function, split out of main. Distinguish
7905 more carefully between an unrecognizable insn and an insn that
7906 has the code number of a define_expand.
7907 (main): Pass insn_code_number to gen_insn. Call print_header
7908 only after parsing. Avoid unnecessary use of printf.
7909 * Makefile.in (build/vec.o): New rule.
7910 (build/genextract): Depend on build/vec.o.
7911 (build/genextract.o): Don't depend on insn-config.h.
7913 2006-01-22 Zack Weinberg <zackw@panix.com>
7915 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7916 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7917 practical. Eliminate per-generator-program link rules.
7919 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7922 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7923 with a call expr to ...
7924 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7926 2006-01-23 Richard Guenther <rguenther@suse.de>
7928 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7929 before make_edge with conditional EDGE_TRUE_VALUE.
7931 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7932 Jan Hubicka <jh@suse.cz>
7933 Richard Guenther <rguenther@suse.de>
7935 PR rtl-optimization/25654
7936 * cfgexpand.c (aggregate_contains_union_type): New function.
7937 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7938 for structure variables that contain a union type.
7940 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7942 * gengtype.c (new_structure): Return the structure.
7943 (create_option): Add an extra "next" argument.
7944 (create_field): New function.
7945 (adjust_field_rtx_def): Use create_option and create_field.
7946 Remove a now-unnecessary call to find_structure.
7947 (adjust_field_tree_def): Likewise.
7948 (note_yacc_type): Remove an unnecessary call to find_structure.
7949 * gengtype.h (new_structure): Return the structure.
7950 (create_option): Add an extra argument.
7951 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7952 (option): Adjust calls to create_option.
7954 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7956 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7958 2006-01-22 Paul Brook <paul@codesourcery.com>
7959 Peter Barada <peter@the-baradas.com>
7961 * config/m68k/m68k.md: Add Coldfire FPU support.
7962 Define FP mode macro and associated attributes.
7963 Use it for float mode patterns.
7964 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7965 (LIBCALL_VALUE): Use m68k_libcall_value.
7966 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7967 (m68k_function_value): Ditto.
7968 (emit_move_sequence): Ditto.
7969 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7970 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7971 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7972 (MULTILIB_EXCEPTIONS): Ditto.
7973 * config/m68k/m68k.opt: Add mcfv4e.
7974 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7975 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7976 (m68k_output_function_prologue): Save ColdFire FPU registers.
7977 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7978 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7979 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7980 ColdFire FPU registers.
7981 (m68k_libcall_value, m68k_function_value): New functions.
7982 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7983 (LIBCALL_VALUE): Use m68k_libcall_value.
7984 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7985 (MASK_COLDFIRE): Add MASK_CFV4E.
7986 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7987 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7988 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7989 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7990 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7991 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7992 * doc/invoke.tex: Document -mcfv4e on m68k.
7994 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7996 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7999 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
8002 * c-opts.c (c_common_handle_option): Don't include
8003 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
8004 * doc/invoke.texi (C++ Dialect Options): Document that
8005 -Wnon-virtual-dtor is no longer included in -Wall.
8007 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
8009 * gcov.c (print_version), gcov-dump.c (print_version),
8010 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
8013 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
8015 * df-scan.c (problem_SCAN): Added NULL reset function.
8016 (df_scan_reset_blocks): Added code to call reset block function
8017 (df_bb_refs_delete) Fixed comment.
8018 (df_insn_refs_delete): Made tolerant of deleting non existent info
8019 for dataflow problems that need to be reset.
8020 * df-core.c (df_set_blocks): Ditto.
8021 * df.h (struct df_problem): Added reset_fun.
8022 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
8023 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
8024 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
8025 functions to clear out all references to def-use or use-def chains.
8027 2006-01-21 Ben Elliston <bje@au.ibm.com>
8029 * varasm.c (assemble_real): Initialise data array.
8031 2006-01-20 Paul Brook <paul@codesourcery.com>
8033 Merge from csl-arm-branch.
8034 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
8035 * config/arm/arm.md (movdi): Force operands[1] to a register
8036 if we have a non-register source.
8037 (*arm_movdi, *movdf_soft_insn): Require that one of the
8038 operands be a register.
8039 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
8040 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8042 2006-01-20 DJ Delorie <dj@redhat.com>
8044 * varasm.c (initialize_constant_valid_p): Allow pointers
8045 initialized from integer constants of lesser precision.
8046 (output_constant): Allow non-int-sized pointer modes to be
8047 initialized from integer constants.
8049 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
8052 * cppdefault.h (struct default_include): Add multilib flag.
8053 * cppdefault.c (cpp_include_defaults): Set it.
8054 * c.opt (-imultilib): New option.
8055 * c-opts.c (imultilib): New.
8056 (c_common_handle_option): Handle -imultilib.
8057 (c_common_post_options): Likewise.
8058 * c-incpath.c (add_standard_paths, register_include_chains):
8060 * c-incpath.h (register_include_chains): Add extra parameter.
8061 * gcc.c (do_spec_1): Generate -imultilib option.
8062 (The Specs Language): Update %I description.
8063 (process_command): Update copyright notice.
8064 * doc/cppopts.texi (-imultilib): Document.
8065 * doc/invoke.texi (-imultilib): Include in option summary.
8066 (%I): Update specs documentation.
8068 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8070 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8072 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8074 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8077 2006-01-20 Richard Guenther <rguenther@suse.de>
8078 Steven Bosscher <stevenb.gcc@gmail.com>
8080 PR rtl-optimization/24626
8081 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8082 EDGE_TRUE_VALUE if in RTL mode.
8085 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8086 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8088 2006-01-20 Dirk Mueller <dmueller@suse.com>
8091 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8092 instead of a special NOP marker.
8093 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8094 NOP marker handling.
8095 * c-common.h (empty_body_warning): Add forward declaration.
8096 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8097 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8099 2006-01-20 Paul Brook <paul@codesourcery.com>
8101 * Makefile.in (lang_checks): Keep going if mkdir fails.
8103 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8105 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8106 be able to clean out basic block when not necessary.
8107 (df_scan_free): Fixed to properly delete information if df is
8108 unused before calling df_finish.
8109 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8110 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8112 (df_bb_refs_delete): New function.
8113 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8114 * df-core.c (df_set_blocks): Added code to properly clean out
8115 unused blocks if they are not part of the blocks to consider.
8116 Added additional null check.
8117 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8118 be able to clean out basic block when not necessary
8119 * df.h (df_free_bb_function): Ditto.
8120 (df_bb_refs_delete): New function.
8121 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8122 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8123 basic block parameter to be able to clean out basic block when not
8125 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8126 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8127 Fixed to properly delete information if df is unused before
8130 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8132 PR rtl-optimization/25799
8133 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8134 Corrected confluence operator to remove bits from op2 before oring
8135 with op1 rather than removing bits from op1.
8136 (df_ru_transfer_function): Corrected test on wrong bitmap which
8137 caused infinite loop. Both of these problems were introduced in
8138 the dataflow rewrite.
8140 2006-01-19 DJ Delorie <dj@redhat.com>
8142 * reload1.c (find_reload_regs): Note the details of reload
8143 failures in the dump file.
8144 (spill_failure): Likewise.
8146 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8148 * loop-iv.c: Include df.h and hashtab.h.
8149 (enum iv_grd_result): New enum.
8150 (DF_REF_IV, DF_REF_IV_SET): New macros.
8151 (struct biv_entry): New.
8152 (df, bivs): New global variables.
8153 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8154 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8156 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8157 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8158 analyzed_for_bivness_p, record_biv): New functions.
8159 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8160 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8161 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8163 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8165 (iv_number_of_iterations): Use new interface to iv analysis.
8166 * loop-unroll.c: Do not include varray.h.
8167 (analyze_iv_to_split_insn): Use new interface to iv
8169 * loop-unswitch.c (may_unswitch_on): Ditto.
8170 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8172 (df_bb_modify): Realloc tables to the new index.
8173 (df_find_use): New function.
8174 * df.h (df_find_use): Declare.
8175 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8177 * cfgloop.h (struct rtx_iv): Remove analysed field.
8178 (iv_get_reaching_def): Removed.
8179 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8180 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8181 (loop-iv.o): Add df.h and hashtab.h dependency.
8182 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8184 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8187 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8189 (__floatundisf, __floatundidf): Likewise.
8190 * libgcc2.h (IS_IBM_EXTENDED): Define.
8192 2006-01-19 DJ Delorie <dj@redhat.com>
8194 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8196 2006-01-19 Paul Brook <paul@codesourcery.com>
8198 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8199 as nothrow when unwinding tables are disabled.
8201 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8204 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8205 of bit-field" when in system header.
8207 2006-01-19 DJ Delorie <dj@redhat.com>
8209 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8210 the 16 bit shift limit of the m16c.
8212 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8215 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8216 * config/i386/i386.c (output_set_got): Output the label if we have one
8217 for the TARGET_DEEP_BRANCH_PREDICTION case.
8219 2006-01-19 Jan Hubicka <jh@suse.cz>
8220 H.J. Lu <hongjiu.lu@intel.com>
8221 Evandro Menezes <evandro.menezes@amd.com>
8223 * invoke.texi (generic): Document
8225 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8226 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8227 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8228 (x86_use_incdec, x86_pad_returns): New variables
8229 (TARGET_CPU_DEFAULT_generic): New constant
8230 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8231 (enum processor_type): Add generic32 and generic64.
8232 * i386.md (cpu attribute): Add generic32/generic64
8233 (movhi splitter): Behave sanely when both partial_reg_dependency and
8234 partial_reg_stall are set.
8235 (K8 splitters): Enable for generic as well.
8236 * predicates.md (incdec_operand): Use TARGET_INCDEC
8237 (aligned_operand): Avoid memory mismatch stalls.
8238 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8239 * ppro.md: Enable for generic32
8240 * i386.c (generic64_cost, generic32_cost): New.
8241 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8242 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8243 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8244 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8245 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8246 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8247 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8248 x86_accumulate_outgoing_args, x86_prologue_using_move,
8249 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8250 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8252 (x86_use_incdec, x86_pad_returns): New.
8253 (override_options): Add generic32 and generic64, translate "generic"
8254 to generic32/generic64 and "i686" to "generic32", refuse
8255 "generic32"/"generic64" as arch target.
8256 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8257 (ix86_reorg): Honor PAD_RETURNS.
8259 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8261 * tree-pretty-print.c (dump_generic_node): Handle
8262 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8263 * cgraph.c (cgraph_expand_queue): Rename from
8264 cgraph_analyze_queue. Update all users.
8265 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8266 cgraph_expand_queue.
8267 (cgraph_expand_all_functions): Likewise.
8268 (cgraph_finalize_pending_functions): Remove. Update callers.
8270 * tree.h (OMP_DIRECTIVE_P): Define.
8271 (OMP_PARALLEL_FN): Define.
8272 (OMP_PARALLEL_DATA_ARG): Define.
8273 (OMP_SECTIONS_SECTIONS): Define.
8274 * tree-pass.h (pass_expand_omp): Declare.
8275 * omp-low.c (struct omp_region): Declare.
8276 (struct omp_context): Remove fields 'parallel_type',
8277 'parallel_start_ix' and 'parallel_start_additional_args'.
8279 (struct omp_for_data): Rename from struct expand_omp_for_data.
8280 (omp_regions): New static variable.
8281 (root_omp_region): New static variable.
8282 (find_omp_clause): Make static.
8283 (is_in_combined_parallel_ctx): Remove.
8284 (is_combined_parallel): New.
8285 (extract_omp_for_data): Move earlier in the file.
8286 (workshare_safe_to_combine_p): New.
8287 (get_ws_args_for): New.
8288 (determine_parallel_type): Move earlier in the file.
8289 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8291 (omp_copy_decl): Likewise.
8292 (create_omp_child_function): Likewise.
8293 (lookup_omp_region): New.
8294 (dump_omp_region): New.
8295 (debug_omp_region): New.
8296 (debug_all_omp_regions): New.
8297 (new_omp_region): New.
8298 (scan_omp_parallel): If parallel_nesting_level > 1, the
8299 directive is nested within another parallel directive.
8300 Set OMP_PARALLEL_FN.
8301 (scan_omp_for): Do not try to handle combined parallel+for
8303 Remove FIXME comment.
8304 (scan_omp_nested): Remove.
8305 (scan_omp_1): Do not call scan_omp_nested when
8306 parallel_nesting_level is > 1.
8307 Do not change the DECL_CONTEXT of local variables found.
8308 (lookup_decl_in_outer_ctx): New.
8309 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8310 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8311 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8312 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8313 If CTX is nested, lookup VAR in the outer context when
8314 building copy assignment.
8315 (lower_send_clauses): Rename from expand_send_clauses.
8316 If CTX is nested, lookup VAR in the outer context when
8317 building copy assignments.
8318 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8319 If CTX is nested, lookup VAR in the outer context when
8320 building copy assignments.
8321 (expand_parallel_call): Rename from build_parallel_call.
8322 Handle combined parallel+workshare cases.
8323 Re-implement to emit code into the CFG.
8325 (expand_omp_parallel): Re-implement to emit code into the CFG.
8326 Call move_sese_region_to_fn to outline the sub-graph
8327 containing the parallel region.
8328 (expand_omp_for_1): Remove.
8329 (expand_omp_for_generic): Re-implement to emit code into the
8331 (expand_omp_for_static_nochunk): Likewise.
8332 (expand_omp_for_static_chunk): Likewise.
8333 (expand_omp_for): Likewise.
8334 (expand_omp_sections): Likewise.
8335 (remove_exit_barriers): New.
8336 (expand_omp_synch): New.
8338 (build_omp_regions_1): New.
8339 (build_omp_regions): New.
8340 (execute_expand_omp): New.
8341 (gate_expand_omp): New.
8342 (pass_expand_omp): Define.
8343 (lower_omp_sections): Rename from expand_omp_sections.
8344 Set OMP_SECTIONS_SECTIONS.
8345 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8346 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8347 (lower_omp_single): Rename from expand_omp_simple.
8348 (lower_omp_master): Rename from expand_omp_master.
8349 (lower_omp_ordered): Rename from expand_omp_ordered.
8350 (lower_omp_critical): Rename from expand_omp_critical.
8351 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8352 (lower_omp_for): Re-implement.
8353 (lower_omp_parallel): Re-implement.
8354 (lower_regimplify): Rename from expand_regimplify.
8355 (lower_omp_1): Rename from expand_omp_1.
8356 If there are syntax errors in the program, replace every
8357 OpenMP directive with NOP.
8358 Call lower_omp_* instead of expand_omp_*.
8359 (lower_omp): Rename from expand_omp.
8361 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8362 * tree-gimple.h (enum omp_parallel_type): Remove.
8363 (gimple_boolify): Declare extern.
8364 (find_omp_clause, determine_parallel_type): Remove.
8366 * gimple-low.c (lower_omp_directive): New.
8367 (lower_stmt): Call it.
8368 (record_vars_into): Move from ...
8369 (record_vars): ... here.
8370 Call record_vars_into with current_function_decl.
8372 * gimplify.c (struct gimplify_ctx): Remove fields
8373 combined_pre_p and combined_ctxp. Update users.
8374 (get_formal_tmp_var): Add documentation.
8375 (gimple_boolify): Make extern.
8376 (gimplify_expr_in_ctx): Remove. Update callers.
8377 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8378 will always be a BIND_EXPR.
8379 (gimplify_expr): Handle OMP_RETURN_EXPR.
8380 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8381 (OMP_PARALLEL): Add 3 operands.
8382 (OMP_SECTIONS): Add 1 operand.
8383 (OMP_RETURN_EXPR): Define.
8385 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8386 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8387 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8388 creating a circular free list.
8389 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8391 * tree-flow.h (move_sese_region_to_fn): Declare.
8392 (record_vars_into): Declare.
8393 * tree-cfg.c (make_omp_sections_edges): New.
8394 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8395 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8396 OMP_SECTIONS and OMP_SECTION.
8397 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8398 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8399 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8400 (gather_blocks_in_sese_region): New.
8401 (struct move_stmt_d): Declare.
8403 (move_block_to_fn): New.
8404 (move_sese_region_to_fn): New.
8406 * passes.c (init_optimization_passes): Schedule
8407 pass_expand_omp after pass_init_datastructures.
8409 * tree-ssa-operands.c (get_expr_operands): Handle
8410 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8411 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8413 2006-01-19 Jeff Law <law@redhat.com>
8415 * tree-vrp.c (extract_range_from_assert): Refine the result range
8416 if the variable referenced by the ASSERT_EXPR has a range and
8417 either the tentative result range or the previous range is a
8420 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8422 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8424 2006-01-19 Jan Hubicka <jh@suse.cz>
8426 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8428 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8430 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8431 (expand_compound_operation, expand_field_assignment): Fail if the
8432 bit lengths of an extract operation are out of range.
8433 (make_extraction): Compute wanted_inner_mode based on the position
8434 and length of the extraction. Make it extraction_mode for non-constant
8435 positions, and do not modify offset in that case. When generating a
8436 new MEM, use a mode that can hold the extraction while keeping correct
8437 alignment. Remove code that supported MEMs wrapped by USEs.
8438 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8440 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8442 * config/s390/s390.md ("Y", "y"): New mode attribute.
8443 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8444 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8445 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8446 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8447 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8448 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8449 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8450 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8451 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8452 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8453 "addsi3", "subsi3"): Insn patterns removed.
8454 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8455 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8456 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8457 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8458 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8459 "*sub<mode>3_cconly2"): New insn patterns.
8460 ("addsi3", "subsi3"): New expanders.
8462 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8464 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8465 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8466 existing STMT_VINFO_VECTYPE if available.
8467 (vect_mark_relevant): Add special handling for stmts that are
8468 marked as STMT_VINFO_IN_PATTERN_P.
8469 (vect_analyze_loop): Call vect_pattern_recog.
8470 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8471 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8473 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8474 (vect_recog_func_ptr): New function-pointer type.
8475 * tree-vect-patterns.c: New file.
8476 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8477 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8478 (vect_pattern_recog_1): New functions.
8479 (vect_pattern_recog_funcs): New array of function pointers.
8481 * tree-vectorizer.h (ternary_op): New enum value.
8482 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8483 declaration. Revised documentation. Removed redundant dump prints.
8484 Removed redundant argument. Added support for reduction patterns.
8485 (vectorizable_reduction): Added support for reduction patterns.
8486 (vect_transform_stmt): Added support for patterns.
8488 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8489 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8490 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8491 (expand_widen_pattern_expr): New function.
8492 (init_optabs): Initialize new optabs udot_prod_optab,
8494 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8495 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8496 (expand_widen_pattern_expr): New function declaration.
8497 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8499 * tree-inline.c (estimate_num_insns_1): Added cases for new
8500 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8501 * tree-pretty-print.c (dump_generic_node): Likewise.
8502 (op_prio): Likewise.
8503 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8504 * tree-ssa-operands.c (get_expr_operands): Added case for
8506 * tree-vect-patterns.c (widened_name_p): New function.
8507 (vect_recog_dot_prod_pattern): Added function implementation.
8508 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8509 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8510 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8511 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8513 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8514 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8515 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8516 (init_optabs): Initialize new optabs widen_ssum_optab,
8518 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8519 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8520 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8521 use instead of type of def.
8522 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8523 function implementation.
8524 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8525 widen_ssumv8hi): New.
8527 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8530 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8533 * c-decl.c (add_flexible_array_elts_to_size): New function.
8534 (finish_decl): Use it.
8536 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8538 * diagnostic.h: Include options.h.
8539 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8540 dependancies for diagnostic.h.
8541 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8543 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8545 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8546 (ssa_ro_call_cache_valid): Ditto.
8547 * tree-ssa-alias.c (sort_tags_by_id): New function.
8548 (init_transitive_clobber_worklist): Ditto.
8549 (add_to_worklist): Ditto.
8550 (mark_aliases_call_clobbered): Ditto.
8551 (compute_tag_properties): Ditto.
8552 (set_initial_properties): Ditto.
8553 (compute_call_clobbered): Ditto.
8554 (compute_may_aliases): Call compute_call_clobbered and grouping.
8555 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8556 (compute_flow_insensitive_aliasing): Grouping now happens in our
8558 (setup_pointers_and_addressables): Remove clobbering related code.
8559 (add_may_alias): Ditto.
8560 (replace_may_alias): Ditto.
8561 (get_nmt_for): Ditto.
8562 (create_global_var):
8563 (is_escape_site): Return an escape_type enumeration.
8564 * tree-flow-inline.h (is_call_clobbered): Global var does not
8565 imply call clobbered.
8566 (mark_call_clobbered): Take a reason for marking this. Remove
8567 marking of globalness, and cache invalidation.
8568 (clear_call_clobbered): Remove cache invalidation code.
8569 * tree-dfa.c (dump_variable): If details is on, dump the reason
8571 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8573 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8574 (struct var_ann_d): Ditto.
8575 (enum escape_type): New.
8576 (mark_call_clobbered): Adjust prototype.
8577 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8578 are never call clobbered.
8579 Record reasons for escaping.
8580 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8581 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8582 (ssa_ro_call_cache_valid): Ditto.
8583 (clobbered_v_may_defs): Ditto.
8584 (clobbered_vuses): Ditto.
8585 (ro_call_vuses): Ditto.
8586 (clobber_stats): New.
8587 (init_ssa_operands): Zero out clobber stats.
8588 (fini_ssa_operands): Print out clobber stats.
8589 (get_call_expr_operands): Pass callee fndecl to
8591 (add_call_clobber_ops): Remove use of cache.
8592 Add use of PURE_CONST information.
8593 (add_call_read_ops): Remove use of cache.
8594 Add use of static not_read information.
8596 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8598 Introduce TLS descriptors for i386 and x86_64.
8599 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8600 (TARGET_ANY_GNU_TLS): New macro.
8601 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8602 (struct machine_function): Add tls_descriptor_call_expanded_p.
8603 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8604 (ix86_current_function_calls_tls_descriptor): Likewise.
8605 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8606 (override_options): Introduce gnu2 tls dialect.
8607 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8609 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8611 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8612 (ix86_init_machine_status): Initialize new field.
8613 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8614 (ix86_tls_module_base): New.
8615 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8616 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8617 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8618 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8619 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8620 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8621 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8622 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8623 * config/i386/predicates.md (tls_modbase_operand): New.
8624 (tp_or_register_operand): New.
8626 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8628 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8629 (look_for_address_of): Ditto.
8630 (ipa_init): Walk the function decls.
8631 (static_execute): Don't set readonly on FUNCTION_DECL's.
8633 2006-01-18 Roger Sayle <roger@eyesopen.com>
8635 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8636 for shifts where the source and destination registers are different.
8638 2006-01-18 Paul Brook <paul@codesourcery.com>
8640 Merge from csl-arm-branch.
8641 2005-03-14 Julian Brown <julian@codesourcery.com>
8642 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8643 (aeabi_llsl): Likewise.
8644 (ashrdi3): Likewise.
8645 (aeabi_lasr): Likewise.
8646 (lshrdi3): Likewise.
8647 (aeabi_llsr): Likewise.
8648 2005-03-10 Julian Brown <julian@codesourcery.com>
8649 * config.gcc: Disable shared libgcc for SymbianOS.
8650 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8652 2006-01-18 DJ Delorie <dj@redhat.com>
8654 * c-pragma.c (handle_pragma_diagnostic): New.
8655 (init_pragma): Register it.
8656 * doc/extend.texi: Document it.
8658 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8659 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8660 (diagnostic_context): Add classify_diagnostic[].
8661 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8662 as errors if they're overridden to DK_WARNING.
8663 (diagnostic_initialize): Initialize classify_diagnostic[].
8664 (diagnostic_set_kind_override): New.
8665 (diagnostic_report_diagnostic): Check for kind changes.
8666 * opts.c (common_handle_option): Take lang_mask. Update callers.
8668 * common.opt (Werror=): New.
8669 * doc/invoke.texi: Document -Werror=*
8671 2006-01-18 Jeff Law <law@redhat.com>
8673 * tree-vrp.c (test_for_singularity): Correct test for new
8674 min limit. Use operand_equal_p rather than pointer equality
8675 for testing if new min/max values are equal.
8677 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8678 using range information until after propagation and folding.
8680 2006-01-18 Richard Henderson <rth@redhat.com>
8681 Aldy Hernandez <aldyh@redhat.com>
8682 Jakub Jelinek <jakub@redhat.com>
8683 Diego Novillo <dnovillo@redhat.com>
8685 * omp-low.c: New file.
8686 * c-omp.c: New file.
8688 2006-01-18 Richard Henderson <rth@redhat.com>
8689 Jakub Jelinek <jakub@redhat.com>
8690 Diego Novillo <dnovillo@redhat.com>
8692 * doc/invoke.texi: Document -fopenmp.
8693 * tree-dump.h (debug_function): Declare.
8694 * hooks.c (hook_bool_tree_bool_false): New function.
8695 (hook_tree_tree_null): Remove.
8696 (hook_tree_tree_tree_null): New.
8697 * hooks.h: Update to match.
8698 * tree-pretty-print.c (debug_tree_chain): New.
8699 (print_generic_expr): Handle TDF_CHAIN.
8700 (dump_generic_node): Handle BLOCK.
8701 Do not abort with incomplete SWITCH_EXPRs.
8702 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8703 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8704 print space after directive name.
8705 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8706 Handle OMP_MASTER and OMP_ORDERED.
8707 Handle printing of OMP_BODY just in one place, goto
8708 dump_omp_body in the rest of OMP_* nodes that have
8710 Don't handle clause nodes here. Update omp statements to
8711 use dump_omp_clauses.
8712 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8713 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8714 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8715 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8716 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8717 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8718 Adjust output for GOMP_PARALLEL.
8719 (dump_omp_clauses): New.
8720 (print_declaration): Dump DECL_VALUE_EXPR.
8721 (op_symbol_1): Split out of op_symbol.
8722 (dumping_stmts): Remove. Update all users.
8723 * cgraph.c (cgraph_analyze_queue): New.
8724 (cgraph_add_new_function): New.
8725 * cgraph.h (cgraph_analyze_queue): Declare.
8726 (cgraph_add_new_function): Declare.
8727 (cgraph_lower_function): Remove.
8728 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8729 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8730 and TYPE_P nodes in its default clause.
8731 (empty_body_p): New.
8732 (tree_range_check_failed): New.
8734 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8735 OMP_CLAUSE_REDUCTION_MERGE,
8736 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8737 OMP_CLAUSE_PRIVATE_DEBUG,
8738 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8739 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8740 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8741 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8742 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8743 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8744 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8745 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8746 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8747 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8748 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8749 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8750 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8751 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8752 (TREE_RANGE_CHECK): New.
8753 (empty_body_p): Declare.
8754 (enum omp_clause_default_kind): New.
8755 (build_string_literal): Declare.
8756 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8757 (build5_stat, build5): Declare.
8758 * tree-pass.h (TDF_CHAIN): Define.
8759 * tree-pass.h (PROP_gimple_lomp): Define.
8760 (pass_lower_omp): Declare.
8761 * diagnostic.h (debug_tree_chain): Declare.
8762 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8764 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8765 * builtins.c (build_string_literal): Make extern.
8766 * gcc.c (include_spec_function): New.
8767 (static_spec_functions): Add it.
8768 (main): Move load of libgomp.spec ...
8769 (LINK_COMMAND_SPEC): ... here.
8770 (link_gomp_spec): New.
8771 (static_specs): Include it.
8772 (LINK_COMMAND_SPEC): Add link_gomp.
8773 (GOMP_SELF_SPECS): New.
8774 (driver_self_specs): Include it.
8775 (switch_matches): Don't mark inline.
8776 (main): Load libgomp.spec.
8777 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8778 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8779 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8780 * tree-gimple.h (enum omp_parallel): Declare.
8781 (determine_parallel_type): Declare.
8782 (omp_firstprivatize_variable): Declare.
8783 (omp_reduction_init): Declare.
8784 (diagnose_omp_structured_block_errors): Declare.
8785 (struct walk_stmt_info): Add want_return_expr.
8786 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8787 (find_omp_clause): Declare.
8788 (insert_field_into_struct): Declare.
8789 (struct walk_stmt_info): Move from tree-nested.c
8790 (walk_stmts): Declare.
8791 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8793 * cgraphunit.c (cgraph_lower_function): Make static.
8794 (cgraph_finalize_pending_functions): New.
8795 (cgraph_finalize_function): Call it.
8796 (cgraph_finalize_compilation_unit): Likewise.
8797 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8798 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8799 (BT_FN_UINT_UINT): New.
8800 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8801 DEF_FUNCTION_TYPE_VAR_4): Document.
8802 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8803 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8804 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8805 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8806 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8807 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8808 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8809 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8810 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8811 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8812 into separate files.
8813 (DEF_GOMP_BUILTIN): New.
8814 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8815 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8816 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8817 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8818 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8819 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8820 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8821 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8822 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8823 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8824 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8825 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8826 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8827 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8828 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8829 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8830 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8831 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8832 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8833 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8834 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8835 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8836 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8837 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8838 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8839 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8840 * sync-builtins.def: New file, moved from builtins.def.
8841 * omp-builtins.def: New file, moved from builtins.def.
8842 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8843 * gimple-low.c (lower_function_body): Clear data.
8844 (lower_stmt): Do not handle COMPOUND_EXPR.
8845 Remove call to print_node_brief.
8846 * c-tree.h (c_finish_omp_clauses): New prototype.
8847 (C_DECL_THREADPRIVATE_P): Define.
8848 (lookup_name_no_remap, c_omp_remap_private): Remove
8849 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8850 (check_for_loop_decls): Update decl.
8851 (lookup_name_no_remap, c_omp_remap_private): Declare.
8852 (build_indirect_ref, build_modify_expr, pushdecl,
8853 pushdecl_top_level): Move to c-common.h.
8854 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8855 before the switch, but just in the 2 places that need it.
8856 * c-decl.c (diagnose_mismatched_decls): Do not check for
8857 mismatched thread-local attributes when OLDDECL is marked
8858 threadprivate and NEWDECL has no thread-local attributes.
8859 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8860 (c_gimple_diagnostics_recursively): Rename from
8861 c_warn_unused_result_recursively. Invoke
8862 diagnose_omp_structured_block_errors.
8863 (check_for_loop_decls): Return a singular decl found.
8864 * langhooks.c (lhd_omp_predetermined_sharing): Return
8865 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8866 (lhd_omp_firstprivatize_type_sizes): New.
8867 (lhd_omp_assignment): New.
8868 (lhd_omp_predetermined_sharing): New.
8869 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8870 (struct lang_hooks_for_types): Add
8871 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8872 omp_predetermined_sharing, omp_disregard_value_expr,
8873 omp_private_debug_clause, omp_clause_default_ctor,
8874 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8875 (c_finish_omp_clauses): New.
8876 (c_finish_bc_stmt): Diagnose break within omp for.
8877 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8878 (build_unary_op): Return error_mark after reporting
8880 (build_modify_expr): Likewise.
8881 * gimplify.c: Include optabs.h and pointer-set.h.
8882 (enum gimplify_omp_var_data): Declare.
8883 (struct gimplify_omp_ctx): Declare.
8884 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8886 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8887 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8888 (splay_tree_compare_decl_uid): New.
8889 (new_omp_context): New.
8890 (delete_omp_context): New.
8891 (gimple_add_tmp_var): Call omp_add_variable.
8892 (gimplify_bind_expr): Likewise.
8893 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8894 true, disregard DECL_VALUE_EXPR on the decl if any.
8895 (gimplify_expr_in_ctx): New.
8896 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8897 omp_add_variable, omp_notice_variable, omp_is_private
8898 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8899 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8900 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8901 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8902 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8903 gimplify_omp_atomic): New.
8904 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8905 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8906 OMP_CRITICAL and OMP_ATOMIC.
8907 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8908 * c-pragma.h (enum pragma_kind): Add
8909 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8910 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8911 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8912 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8913 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8914 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8915 PRAGMA_OMP_THREADPRIVATE.
8916 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8917 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8918 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8919 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8920 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8921 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8922 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8923 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8924 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8925 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8926 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8927 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8928 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8930 (struct nesting_info): Add field_map,
8931 suppress_expansion, debug_var_chain.
8932 (create_nesting_tree): Initialize them.
8933 (lookup_field_for_decl): Use field_map.
8934 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8935 (convert_local_omp_clauses): New.
8936 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8937 (walk_body): Split out of walk_function.
8938 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8939 (convert_nonlocal_reference): Handle omp statements.
8940 (convert_local_reference): Likewise.
8941 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8942 (unnest_nesting_tree): New.
8943 (lower_nested_functions): Call it.
8944 (insert_field_into_struct): Make extern.
8945 (struct walk_stmt_info): Move to tree-gimple.h.
8946 (walk_stmts): Make extern.
8947 * omp-builtins.def: New file.
8948 * tree-iterator.c (expr_only): Clarify comment.
8949 * c-common.h (pushdecl_top_level, pushdecl,
8950 build_modify_expr, build_indirect_ref,
8951 c_finish_omp_master, c_finish_omp_critical,
8952 c_finish_omp_ordered, c_finish_omp_barrier,
8953 c_finish_omp_atomic, c_finish_omp_flush,
8954 c_finish_omp_for, c_split_parallel_clauses,
8955 omp_clause_default_kind, c_omp_sharing_predetermined,
8956 c_omp_remap_decl): Declare.
8957 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8958 (OBJS-common): Add omp-low.o.
8959 (c-omp.o, omp-low.o): Add.
8960 (gimplify.o): Add dependency on $(OPTABS_H).
8961 (GTFILES): Add omp-low.c.
8962 (gt-stringpool.h): Add.
8963 * tree-cfg.c (set_bb_for_stmt): Do not update the
8964 block-to-labels map if we are currently expanding to RTL.
8965 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8967 Handle IDENTIFIER_NODE.
8968 (tree_verify_flow_info): Do not ICE when emitting error
8969 messages about invalid labels.
8970 (dump_function_to_file): Reset CFUN before emitting the body
8972 (debug_function): New.
8973 * passes.c (init_optimization_passes): Schedule
8975 * langhooks-def.h (lhd_omp_predetermined_sharing,
8976 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8978 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8979 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8980 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8981 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8982 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8983 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8984 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8985 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8986 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8987 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8988 (LANG_HOOK_DECLS): Use them.
8990 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8991 Richard Henderson <rth@redhat.com>
8992 Jakub Jelinek <jakub@redhat.com>
8993 Diego Novillo <dnovillo@redhat.com>
8995 * c-parser.c (pragma_omp_clause): Define.
8996 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8997 (c_parser_compound_statement): Likewise.
8998 (c_parser_statement): Likewise.
8999 (c_parser_pragma): Handle omp pragmas.
9000 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
9001 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
9002 (c_parser_omp_clause_name, check_no_duplicate_clause,
9003 c_parser_omp_variable_list,
9004 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
9005 c_parser_omp_clause_copyprivate,
9006 c_parser_omp_clause_default,
9007 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
9008 c_parser_omp_clause_lastprivate,
9009 c_parser_omp_clause_nowait,
9010 c_parser_omp_clause_num_threads,
9011 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
9012 c_parser_omp_clause_reduction,
9013 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
9014 c_parser_omp_all_clauses, c_parser_omp_structured_block,
9015 c_parser_omp_atomic, c_parser_omp_barrier,
9016 c_parser_omp_critical, c_parser_omp_flush,
9017 c_parser_omp_for_loop, c_parser_omp_for,
9018 c_parser_omp_master, c_parser_omp_ordered,
9019 c_parser_omp_sections_scope, c_parser_omp_sections,
9020 c_parser_omp_parallel, c_parser_omp_single,
9021 c_parser_omp_construct, c_parser_omp_threadprivate): New.
9022 * c-pragma.c (init_pragma): Do omp pragma registration here.
9023 * c.opt (fopenmp): New flag.
9025 2006-01-18 Eric Christopher <echristo@apple.com>
9027 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
9028 * config/darwin.h (GOMP_SELF_SPECS): Define.
9030 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9032 * rtl.h: Remove the prototype for reg_alloc.
9034 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9037 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
9038 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
9039 sjlj and dwarf2 exception handling.
9040 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
9041 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
9042 * pa/pa.c (function_value): Treat complex and vector types as
9044 (function_arg): Likewise. Only pass scalar floats in the floating
9045 point argument registers.
9046 * pa/t-slibgcc-dwarf-ver: New file.
9047 * pa/t-slibgcc-sjlj-ver: New file.
9048 * pa/t-slibgcc-elf-ver: Delete file.
9050 2006-01-19 Alan Modra <amodra@bigpond.net.au>
9052 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
9053 unlikely_test_section_p test.
9055 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9057 * mode-switching.c (optimize_mode_switching): Make it static.
9058 * basic-block.h: Remove the prototype for
9059 optimize_mode_switching.
9061 * modulo-sched.c (sms_schedule): Make it static.
9062 * rtl.h: Remove the prototype for sms_schedule.
9064 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9065 * rtl.h: Remove the prototype for gcse_after_reload_main.
9067 * reg-stack.c (reg_to_stack): Make it static.
9068 * rtl.h: Remove the prototype for reg_to_stack.
9070 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9072 * rtl.h: Remove the prototypes for regrename_optimize and
9073 copyprop_hardreg_forward.
9075 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9077 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9078 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9079 Test against the appropriate null constant for the mode.
9080 If 'fixup_overlap' is true, swap the operands if they overlap.
9081 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9082 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9083 alpha_split_tmode_pair and adjust for above change.
9084 * config/alpha/alpha.md (movtf_internal): Adjust call to
9085 alpha_split_tfmode_pair and rely on it to swap the operands.
9086 (movti_internal): New insn and post-reload splitter.
9087 (movti): New expander.
9089 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9091 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9094 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9096 * rtlanal.c (global_reg_mentioned_p_1,
9097 global_reg_mentioned_p): Remove.
9098 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9100 * flow.c (initialize_uninitialized_subregs): Make it static.
9101 * rtl.h: Remove the prototype for
9102 initialize_uninitialized_subregs.
9104 * function.c (instantiate_virtual_regs): Make it static.
9105 * function.h: Remove the prototype for
9106 instantiate_virtual_regs.
9108 * regmove.c (regmove_optimize, combine_stack_adjustments):
9110 * rtl.h: Remove the prototypes for regmove_optimize and
9111 combine_stack_adjustments.
9113 2006-01-17 Roger Sayle <roger@eyesopen.com>
9115 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9116 (size_cost): Encode costs in bytes so that a reg-reg addition is
9117 equivalent to COSTS_N_INSNS(1).
9118 (override_options): Use the size_cost.branch_cost as the default
9119 ix86_branch_cost when optimizing for size.
9121 2006-01-18 Ben Elliston <bje@au.ibm.com>
9123 * Makefile.in (D32PBIT_FUNCS): New.
9124 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9125 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9126 D64PBIT_FUNCS and D128PBIT_FUNCS.
9127 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9128 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9130 (decnumber_dep): Define.
9131 * doc/libgcc.texi (Decimal float library routines): New node.
9132 * config/dfp-bit.h, config/dfp-bit.c: New files.
9134 2006-01-18 Ben Elliston <bje@au.ibm.com>
9136 * expr.c (emit_move_change_mode): Always adjust addresses, not
9137 just during reload. Copy replacements only during reload.
9138 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9139 emit_move_via_integer.
9141 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9143 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9144 instead of $(srcdir) and ${srcdir}.
9146 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9150 * arm.h (struct machine_function): Add pic_reg.
9151 * arm.c (arm_pic_register): Make unsigned.
9152 (arm_override_options): Only set arm_pic_register if
9153 TARGET_SINGLE_PIC_BASE.
9154 (use_return_insn): Only test for a pic register if it is fixed.
9155 (arm_compute_save_reg0_reg12_mask): Likewise.
9156 (thumb_compute_save_reg_mask): Likewise.
9157 (legitimate_pic_operand): Factor out some known invariants.
9158 (legitimize_pic_address): If we don't have a fixed pic register,
9159 then set up a pseudo in the function entry sequence. Handle the
9160 pic base being in a pseudo.
9161 (arm_load_pic_register): Handle the pic register being in a pseudo.
9162 (arm_expand_prologue): Only set up the pic register if it is fixed.
9163 (thumb_expand_prologue): Likewise.
9164 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9165 (pic_load_addr_based_insn): Likewise.
9166 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9169 2006-01-18 Ben Elliston <bje@au.ibm.com>
9171 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9172 decimal float modes for all floating point registers.
9174 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9175 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9177 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9180 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9181 even when the pointer is not NULL.
9183 2006-01-16 Ian Lance Taylor <ian@airs.com>
9185 * common.opt (ftoplevel-reorder): New option.
9186 * cgraph.c (cgraph_asm_nodes): New global variable.
9187 (cgraph_asm_last_node): New static variable.
9188 (cgraph_order): New global variable.
9189 (cgraph_create_node): Set new order field.
9190 (cgraph_varpool_node): Likewise.
9191 (decide_is_variable_needed): Return true if not
9192 flag_toplevel_reorder.
9193 (cgraph_add_asm_node): New function.
9194 * cgraph.h (struct cgraph_node): Add order field.
9195 (struct cgraph_varpool_node): Add order field.
9196 (struct cgraph_asm_node): Define.
9197 (cgraph_asm_nodes, cgraph_order): Declare.
9198 (cgraph_add_asm_node): Declare.
9199 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9201 (cgraph_varpool_assemble_pending_decls): Call it.
9202 (cgraph_output_pending_asms): New static function.
9203 (cgraph_finalize_compilation_unit): Call it.
9204 (struct cgraph_order_sort): Define.
9205 (cgraph_output_in_order): New static function.
9206 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9207 !flag_toplevel_reorder case.
9208 * c-parser.c: Include "cgraph.h".
9209 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9211 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9212 than -fno-unit-at-a-time.
9213 * doc/invoke.texi (Option Summary): Mention
9214 -fno-toplevel-reorder.
9215 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9216 -funit-at-a-time documentation.
9218 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9219 Kazu Hirata <kazu@codesourcery.com>
9221 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9223 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9225 * Makefile.in (FUNCTION_H): New. Use it instead of
9226 function.h throughout the file.
9227 * function.h: Include tree.h.
9229 2006-01-17 Ben Elliston <bje@au.ibm.com>
9231 * recog.c: Separate some functions with whitespace.
9233 2006-01-16 Richard Henderson <rth@redhat.com>
9235 Merge from gomp branch:
9236 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9237 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9238 and rename from struct inline_data. Rename callee* to dst*;
9239 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9240 transform_new_cfg, transform_return_to_modify, and
9241 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9243 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9244 (copy_decl_for_dup): Remove.
9245 * tree-inline.c (struct inline_data): Move to header.
9246 (insert_decl_map): Export.
9247 (remap_decl): Update for member name changes. Use copy_decl hook.
9248 Allow for replacement to be a non-decl. Remove dead code.
9249 (remap_type_1): Check for existing mapping.
9250 (remap_type): Export.
9251 (remap_decls): Update for member name changes.
9252 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9253 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9254 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9255 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9256 (tree_function_versioning, build_duplicate_type): Likewise.
9257 (copy_body_r): Likewise. Export.
9258 (copy_decl_for_dup): Split into ...
9259 (copy_decl_for_dup_finish, copy_decl_to_var,
9260 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9261 (replace_ref_tree, inlining_p): Remove.
9263 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9265 * ifcvt.c (if_convert): Make it static.
9266 * rtl.h: Remove the prototype for if_convert.
9268 * local-alloc.c (local_alloc): Make it static.
9269 * rtl.h: Remove the prototype for local_alloc.
9271 * loop.c (loop_optimize): Make it static.
9272 * cfgloop.h: Remove the prototype for loop_optimize.
9275 2006-01-16 DJ Delorie <dj@redhat.com>
9277 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9280 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9282 * pa.md: Disparage copies between general and floating-point registers
9283 in 32-bit move patterns.
9285 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9288 * Makefile.in (check-%): Depend on site.exp instead of
9289 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9292 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9294 * global.c (global_alloc): Make it static.
9295 * rtl.h: Remove the prototype for global_alloc.
9297 2006-01-16 Richard Guenther <rguenther@suse.de>
9299 * tree-ssa-alias.c (struct used_part): Add write_only field.
9300 (get_or_create_used_part_for): Initialize it to true.
9301 (create_overlap_variables_for): Don't create structure variables
9302 for structures that only are written to.
9303 (find_used_portions): Handle MODIFY_EXPR to track whether a
9304 structure is only written to.
9306 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9308 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9310 * basic-block.h: Remove the prototype for
9311 partition_hot_cold_basic_blocks.
9313 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9315 * cppspec.c (lang_specific_spec_functions): Remove.
9316 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9317 * gcc.h (lang_specific_spec_functions): Remove.
9318 * gccspec.c (lang_specific_spec_functions): Remove.
9320 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9322 * combine.c (record_value_for_reg): Invalidate registers
9324 (record_dead_and_set_regs_1): Likewise, by passing them to
9325 record_value_for_reg.
9326 (record_dead_and_set_regs): Invalidate stores made by a
9327 call. We do not combine across a call, but we still
9328 relied on equivalences.
9330 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9332 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9333 vrp_int_const_binop returning non-constant nodes.
9335 2006-01-16 Paul Brook <paul@codesourcery.com>
9337 * config/m68k/m68k.c (output_move_const_into_data_reg):
9338 Output correct mnemonic for mvz and mvs.
9340 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9342 * rtl-factoring.c: Add sequence abstraction algorithm.
9343 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9344 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9346 (block_has_preserve_label): New function.
9347 * common.opt: Register new pass.
9348 * Makefile.in: Ditto.
9350 * timevar.def: Ditto.
9351 * tree-pass.h: Ditto.
9352 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9353 * rtl.h (make_jump_insn_raw): Add forward decl.
9354 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9356 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9357 Roger Sayle <roger@eyesopen.com>
9359 * fold-const.c (fold_minmax): New static function.
9360 (fold_binary) <MIN_EXPR>: Call it.
9361 <MAX_EXPR>: Likewise.
9362 * stor-layout.c (place_field): Use DECL_SIZE consistently
9363 in the computation of the new record size.
9365 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9367 * cse.c (cse_condition_code_reg): Make it static.
9368 * rtl.h: Remove the prototype for cse_condition_code_reg.
9370 * combine.c (combine_instructions): Make it static.
9371 * rtl.h: Remove the prototype for combine_instructions.
9373 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9376 * tree.c (get_file_function_name_long): Concatenate the first global
9377 object name with a string derived from the input filename of the object
9380 2006-01-16 Ben Elliston <bje@au.ibm.com>
9382 * config/i386/winnt-stubs.c: Update FSF address.
9383 * config/xtensa/ieee754-df.S: Ditto.
9384 * config/xtensa/ieee754-sf.S: Ditto.
9386 2006-01-14 Ian Lance Taylor <ian@airs.com>
9388 * ifcvt.c (noce_init_if_info): New static function, broken out of
9389 noce_process_if_block.
9390 (noce_process_if_block): Call noce_init_if_info.
9391 (check_cond_move_block): New static function.
9392 (cond_move_process_if_block): New static function.
9393 (process_if_block): Call cond_move_process_if_block.
9395 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9397 * cselib.c (hash_table): Rename to cselib_hash_table.
9398 (cselib_clear_table, discard_useless_values,
9399 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9400 cselib_init, cselib_finish): Adjust uses of hash_table.
9402 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9404 PR tree-optimization/25485
9405 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9406 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9407 is known to be false and true, respectively.
9409 2006-01-14 Richard Guenther <rguenther@suse.de>
9411 PR tree-optimization/22548
9412 PR tree-optimization/22555
9413 PR tree-optimization/22501
9414 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9415 * params.def (salias-max-array-elements): New parameter.
9416 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9417 * doc/invoke.texi (salias-max-array-elements): Document.
9418 * tree-flow-inline.h (var_can_have_subvars): We also handle
9420 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9422 * tree-ssa-structalias.c (params.h): Include.
9423 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9424 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9425 (get_constraint_for): For ADDR_EXPR operating on something
9426 containing an ARRAY_REF, add all subvars to the solution.
9427 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9428 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9429 for creating MUST_DEFs.
9430 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9432 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9434 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9436 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9437 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9438 number_of_iterations_le): New functions.
9439 (number_of_iterations_special): Removed.
9440 (number_of_iterations_exit): Do not use number_of_iterations_special.
9441 * tree.c (unsigned_type_for): Always return integer type.
9443 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9444 Richard Guenther <rguenther@suse.de>
9446 PR rtl-optimization/24257
9447 * gcse.c (find_moveable_store): Only consider a store movable
9448 when the SET_SRC of the insn can be assigned to a register.
9450 2006-01-14 Ian Lance Taylor <ian@airs.com>
9452 * tree.c (tree_not_class_check_failed): New function.
9453 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9454 (tree_not_class_check_failed): Declare.
9456 2006-01-13 Ian Lance Taylor <ian@airs.com>
9458 * reload1.c (do_output_reload): Add assertion rejecting a
9461 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9463 * combine.c (struct reg_stat): Add new fields truncation_label and
9465 (record_value_for_reg): Reset truncated_to_mode.
9466 (record_truncated_value): New function.
9467 (check_promoted_subreg): Call it. Rename to check_conversions.
9468 (combine_instructions): Rename check_promoted_subreg to
9470 (reg_truncated_to_mode): New function.
9471 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9472 (gen_lowpart_or_truncate): New function.
9473 (force_to_mode): Use it instead of gen_lowpart.
9475 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9477 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9478 VAR is a tag, not its type tag.
9480 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9482 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9483 alternatives to match style of other entries.
9484 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9486 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9488 PR tree-optimization/25771
9489 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9492 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9495 * tree-inline.c (declare_return_variable): If the return variable
9496 was marked as a non gimple complex, set the return slot variable
9497 to be a non gimple comple variable.
9499 2006-01-13 Richard Guenther <rguenther@suse.de>
9501 * builtins.c (expand_builtin_sincos): New function.
9502 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9504 (expand_builtin): Expand sincos using expand_builtin_sincos.
9506 2006-01-12 DJ Delorie <dj@redhat.com>
9508 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9509 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9510 so that constant shifts can be split.
9511 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9512 (m32c_valid_pointer_mode): Make static.
9513 (shift_gen_func_for): New.
9514 (m32c_prepare_shift): Use it. Split large const shifts into
9516 * config/m32c/predicates.md (shiftcount_operand): Allow more
9518 (longshiftcount_operand): New.
9519 * doc/md.texi (Machine Constraints): Document In6.
9521 2006-01-13 Ben Elliston <bje@au.ibm.com>
9523 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9524 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9527 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9529 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9530 to try to avoid clobbering pieces of structures when we know
9531 something about the whole structure.
9532 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9534 2006-01-13 Ben Elliston <bje@au.ibm.com>
9536 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9537 return in memory, as this is no limitation is no longer present.
9539 2006-01-12 DJ Delorie <dj@redhat.com>
9541 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9542 mova with fb, and for fb+0 -> An.
9544 * config/m32c/mov.md (peephole2): Fix enabling logic.
9546 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9547 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9548 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9549 FINI_ARRAY_SECTION_ASM_OP): Define.
9551 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9553 (m32c_legitimize_reload_address): New logic to reload FB to An.
9554 (m32c_output_reg_push): Add newline.
9555 (m32c_output_reg_pop): Likewise.
9557 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9559 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9561 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9563 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9565 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9567 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9570 2006-01-11 Ben Elliston <bje@au.ibm.com>
9572 * rtlanal.c (find_reg_note): Assert insn is not null.
9574 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9576 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9579 2006-01-11 Jeff Law <law@redhat.com>
9581 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9583 (mark_threaded_blocks, register_jump_thread): New functions.
9584 (thread_through_all_blocks): Remove unwanted argument. No
9585 longer rely on e->aux to communicate thread target info.
9586 Call mark_threaded_blocks. Release the threaded_blocks
9587 bitmap and threaded_edges vector when complete.
9588 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9589 (threaded_blocks): Remove.
9590 (tree_ssa_dominator_optimize): Remove initialization and
9591 finalization of threaded_blocks. Simplify call to
9592 thread_through_all_blocks.
9593 (thread_across_edge): Call register_jump_thread rather than
9594 storing thread information into e->aux.
9595 (free_all_edge_infos): Simplify now that e->aux is no longer
9596 used to communicate with thread_through_all_blocks.
9597 * tree-flow.h (thread_through_all_blocks): Update prototype.
9598 (register_jump_thread): Prototype.
9600 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9602 * df-core.c (df_compact_blocks, df_bb_replace): Use
9603 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9605 2006-01-11 Richard Guenther <rguenther@suse.de>
9607 PR tree-optimization/25734
9608 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9609 stop propagation after successful propagation to the LHS.
9611 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9613 * basic-block.h (control_flow_graph): Change the type of
9614 x_basic_block_info to VEC(basic_block,gc) *.
9615 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9617 (SET_BASIC_BLOCK): New.
9618 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9619 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9620 * cfgbuild.c (find_basic_blocks): Likewise.
9621 * cfglayout.c (fixup_reorder_chain): Likewise.
9622 * cfgrtl.c (create_basic_block_structure,
9623 rtl_create_basic_block): Likewise.
9624 * ifcvt.c (find_if_case_1): Likewise.
9625 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9628 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9630 * Makefile.in: Removed rotted odf.c entry.
9632 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9635 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9636 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9637 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9638 output pattern modifier, not %e.
9639 * config/cris/cris.c (cris_op_str): Update comment about pattern
9641 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9642 before falling through into...
9643 <case 'E'>: Redefined from old 'e' case.
9645 2006-01-11 Jan Hubicka <jh@suse.cz>
9648 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9650 2006-01-11 Jan Hubicka <jh@suse.cz>
9652 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9653 * i386.c (x86_decompose_lea): Kill.
9654 (ix86_rtx_costs): Kill.
9656 2006-01-11 Jan Hubicka <jh@suse.cz>
9658 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9659 * cgraph.h (cgraph_node): Add inline_decl.
9660 (cgraph_insert_node_to_hashtable): Declare.
9661 (save_inline_function_body): Declare.
9662 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9664 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9665 (cgraph_function_versioning): Update call of tree_function_versioning.
9666 (save_inline_function_body): New function.
9667 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9668 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9669 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9670 (cgraph_default_inline_p): Likewise.
9671 (cgraph_decide_inlining_incrementally): Likewise.
9672 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9673 (copy_bb): Kill saving; do updating of clones.
9674 (copy_cfg_body): Kill saving.
9675 (initialize_inlined-parameters): Likewise.
9676 (expand_call_inline): Likewise.
9678 (tree_function_versioning): New parameter "update_clones".
9679 (inlining_p): Kill saving.
9680 * tree-inline.h (tree_function_versioning): Update prototype.
9681 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9684 2006-01-11 Ian Lance Taylor <ian@airs.com>
9686 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9687 Allow undoing set of machine mode.
9688 (do_SUBST): Use enums instead of is_int.
9689 (do_SUBST_MODE): New function.
9690 (SUBST_MODE): New macro.
9691 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9692 reg and trying to replace reg_regno_rtx with a new register.
9693 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9694 (simplify_set): Use SUBST_MODE.
9695 (distribute_notes): Remove code that tried to update reg notes
9696 for regno_reg_rtx changes.
9698 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9700 PR tree-optimization/23109
9701 PR tree-optimization/23948
9702 PR tree-optimization/24123
9704 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9705 * tree-cfg.c (single_noncomplex_succ): New.
9706 * tree-flow.h (single_noncomplex_succ): Declare it.
9707 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9708 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9709 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9710 insert_bb, register_division_in, insert_reciprocals,
9711 replace_reciprocal, free_bb): New.
9712 (execute_cse_reciprocals_1): Rewritten.
9713 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9714 Do not commit any edge insertion. Always compute dominators and
9715 create the allocation pool.
9716 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9717 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9718 * targhooks.c (default_min_divistions_for_recip_mul): New.
9719 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9720 * passes.c (init_optimization_passes): Run recip after tree loop
9722 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9724 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9725 Kenneth Zadeck <zadeck@naturalbridge.com>
9727 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9728 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9729 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9730 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9731 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9732 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9733 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9734 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9735 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9736 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9737 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9738 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9739 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9740 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9741 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9742 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9743 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9744 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9745 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9746 DF_SCAN_POST_ALLOC): New macros.
9747 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9748 df_free_bb_function, df_local_compute_function, df_init_function,
9749 df_dataflow_function, df_confluence_function_0,
9750 df_confluence_function_n, df_transfer_function,
9751 df_finalizer_function, df_free_function, df_dump_problem_function,
9752 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9753 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9754 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9755 df_urec_bb_info, ) New types.
9756 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9758 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9759 df_analyze_simple_change_some_blocks,
9760 df_analyze_simple_change_one_block, df_compact_blocks,
9761 df_bb_replace, df_bb_regno_last_use_find,
9762 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9763 df_insn_regno_def_p, df_find_def, df_find_use,
9764 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9765 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9766 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9767 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9768 debug_df_chain, df_get_dependent_problem, df_chain_create,
9769 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9770 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9771 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9772 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9773 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9774 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9775 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9776 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9777 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9778 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9779 df_reorganize_refs, df_set_state, df_hard_reg_init,
9780 df_read_modify_subreg_p) New public functions.
9781 * df-core.c: The core dataflow solver and glue routines for rtl
9783 (df_init, df_add_problem, df_set_blocks, df_finish,
9784 df_hybrid_search_forward, df_hybrid_search_backward,
9785 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9786 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9787 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9788 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9789 df_reg_defined, df_find_use, df_reg_used, df_dump,
9790 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9791 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9792 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9793 debug_df_useno, reset_df_after_reload): New functions.
9794 * df-scan.c: The scanning fuctions, once in df.c, completely
9795 rewritten so that they now fully model the functionality of
9796 register usage at the backend.
9797 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9798 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9799 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9800 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9801 df_get_artificial_defs, df_get_artificial_uses,
9802 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9803 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9804 df_refs_delete, df_reorganize_refs, df_set_state,
9805 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9806 df_def_record_1, df_defs_record, df_uses_record,
9807 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9808 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9809 df_record_exit_block_uses, df_hard_reg_init): New functions.
9811 * df-problems.c: Seven concrete dataflow problems that use the
9812 scanning in df-scan.c and are solved by the engine in df-core.c.
9813 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9814 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9815 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9816 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9817 df_ru_free_bb_info, df_ru_alloc,
9818 df_ru_bb_local_compute_process_def,
9819 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9820 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9821 df_ru_transfer_function, df_ru_free, df_ru_dump,
9822 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9823 df_rd_free_bb_info, df_rd_alloc,
9824 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9825 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9826 df_rd_transfer_function, df_rd_free, df_rd_dump,
9827 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9828 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9829 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9830 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9831 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9832 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9833 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9834 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9835 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9836 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9837 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9838 df_urec_mark_reg_use_for_earlyclobber,
9839 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9840 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9841 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9842 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9843 df_chain_create_bb_process_use, df_chain_create_bb,
9844 df_chain_finalize, df_chain_free, df_chains_dump,
9845 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9846 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9847 df_reg_lifetime): New functions.
9848 * df.c: Deleted file.
9849 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9850 consistent with new df api.
9851 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9852 rest_of_handle_sms): Ditto.
9853 * web.c (unionfind_union, union_defs, entry_register, web_main):
9855 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9856 invariant_expr_equal_p, find_defs, check_dependencies,
9857 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9858 free_inv_motion_data, move_loop_invariants): Ditto.
9859 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9860 Update dependencies.
9861 (odf.c): Added defective entry that was deleted later in day.
9862 * sched-deps.c (sched_analyze_1): Ditto.
9864 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9866 * tree-ssa-operands.c (get_expr_operands): Record addressable
9867 variables directly. Do not call add_stmt_operands for CONST_DECLs
9869 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9870 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9872 2006-01-11 Ben Elliston <bje@au.ibm.com>
9874 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9875 function returns true in the positive case.
9877 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9880 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9881 for SI, DI, SF and DF modes. Add alternatives to copy between
9882 general and floating point registers to the 32-bit patterns.
9883 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9884 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9885 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9886 generating 64-bit code.
9887 * config/pa/pa.c (output_move_double): Handle copies between general
9888 and floating registers.
9890 2006-01-10 Stuart Hastings <stuart@apple.com>
9892 * config/i386/i386.md (set_got): Update.
9893 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9894 (builtin_setjmp_receiver): Mach-O support.
9895 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9896 (GOT_SYMBOL_NAME): Define.
9897 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9898 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9899 * config/i386/i386.c (override_options): Revise for Darwin.
9900 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9901 support. (darwin_x86_file_end): New. (output_set_got): Add label
9902 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9903 * config/i386/i386-protos.h (output_set_got): Likewise.
9904 * config/darwin.c (machopic_legitimize_pic_address): Update
9907 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9909 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9910 when MODE isn't BLKmode.
9912 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9914 PR rtl-optimization/25367
9915 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9917 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9920 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9921 for a negative bound.
9923 2006-01-10 Richard Guenther <rguenther@suse.de>
9925 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9926 Never override with anything constraint.
9928 2006-01-10 Jan Beulich <jbeulich@novell.com>
9930 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9931 256 bits when optimize_size.
9933 2006-01-10 Jan Beulich <jbeulich@novell.com>
9935 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9937 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9938 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9941 2006-01-10 Ben Elliston <bje@au.ibm.com>
9943 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9945 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9946 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9947 (USE_FP_FOR_ARG): Reject decimal float modes.
9948 (function_arg_advance): Likewise.
9949 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9950 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9951 point types in AltiVec vectors.
9952 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9953 (rs6000_libcall_value): Likewise.
9955 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9957 * config/xtensa/ieee754-df.S: New file.
9958 * config/xtensa/ieee754-sf.S: New file.
9959 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9960 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9961 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9963 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9965 * config/sh/predicates.md (binary_float_operator,
9966 binary_logical_operator, commutative_float_operator,
9967 equality_comparison_operator, greater_comparison_operator,
9968 less_comparison_operator, logical_operator,
9969 noncommutative_float_operator, shift_operator,
9970 symbol_ref_operand, unary_float_operator): Remove redundant
9973 2006-01-09 Jeff Law <law@redhat.com>
9975 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9976 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9977 now unused arguments. Callers updated.
9978 (eliminate_redundant_computations): Remove now unused arguments,
9980 (local_fold): Remove, no longer used.
9981 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9983 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9984 (simplify_cond): New function.
9985 (forward_propagate_into_cond): Call simplify_cond.
9987 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9989 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9990 (*vec_extractv2di_1_sse): New.
9992 2006-01-09 Ben Elliston <bje@au.ibm.com>
9994 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9996 2006-01-08 Richard Guenther <rguenther@suse.de>
9998 * tree-ssa-structalias.c (get_constraint_for): Remove
10000 (get_constraint_for_component_ref): Likewise.
10001 (do_deref): Likewise.
10002 (get_constraint_for): Likewise.
10003 (do_structure_copy): Likewise.
10004 (handle_ptr_arith): Likewise.
10005 (find_func_aliases): Likewise. Remove unused need_anyoffset
10008 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
10009 Kaz Kojima <kkojima@gcc.gnu.org>
10011 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
10012 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
10013 (EXTRA_CONSTRAINT_C16): Remove.
10014 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
10015 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
10016 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
10017 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
10018 constants of SHmedia. Handle nested constant expressions of
10020 (andcosts): Fix the costs for SHmedia constants.
10021 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
10022 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
10023 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
10024 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
10025 (movv4hi_i, movv2si_i): Likewise.
10026 (movsi_const): Adjust the second operand of ior so to match with
10027 the Csu constraint.
10028 (movdi_const, movdi_const_32bit): Likewise.
10029 (movdi_const_16bit+1): Don't sign-extend LOW.
10030 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
10032 (*double_shori): Fix the split condition. Use GEN_INT instead
10033 of get_int_mode calls. Mask lower 16-bit of the argument of
10035 (sym2GOTPLT): Remove.
10036 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
10038 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
10039 instead of EXTRA_CONSTRAINT_C16.
10041 2006-01-07 Ian Lance Taylor <ian@airs.com>
10042 David Edelsohn <edelsohn@gnu.org>
10044 PR rtl-optimization/25662
10045 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
10046 for constant operands instead of simplify_gen_binary.
10047 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
10048 after trying simplify_binary_operation
10050 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
10052 * tree.c (iterative_hash_expr): Hash decls based on UID.
10054 2006-01-06 Eric Christopher <echristo@apple.com>
10056 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
10057 (TARGET_UNWIND_EMIT): Fix spelling.
10058 * target.h (gcc_target): Add except_table_label.
10059 * except.c (output_function_exception_table): Use.
10060 * varasm.c (default_emit_except_table_label): New.
10061 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
10063 (asm_out): Add here.
10064 * output.h (default_emit_except_table_label): Prototype.
10065 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10066 * config/darwin.c (darwin_emit_except_table_label): Define.
10067 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10069 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10071 PR tree-optimization/18527
10072 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10073 number_of_iterations_special, number_of_iterations_exit):
10074 Move base and step of an iv to a single structure. Add
10075 no_overflow flag, and use it in # of iterations analysis.
10076 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10077 folded_casts argument.
10078 (simple_iv): Pass base and step in a structure. Set no_overflow
10080 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10081 Evaluate expensiveness of computing # of iterations instead of
10082 the final expression.
10083 * tree-scalar-evolution.h (affine_iv): New structure.
10084 (simple_iv): Declaration changed.
10085 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10086 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10087 find_givs_in_stmt): Changed due to simple_iv change.
10089 2006-01-06 Jeff Law <law@redhat.com>
10092 * tree-cfg.c (bsi_replace): Rename final argument from
10093 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10094 change (stmt -> orig_stmt).
10095 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10096 (bsi_remove): Add new argument. Remove EH information
10098 (verify_eh_throw_table_statements): New function.
10099 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10101 * tree-optimize.c (execute_free_cfg_annotations): Verify
10102 the EH throw statement table after removing annotations.
10103 * except.h (verify_eh_throw_table_statements): Prototype.
10104 * tree-flow.h (bsi_remove): Update prototype.
10105 * tree-vrp.c (remove_range_assertions): Add new argument to
10107 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10108 * tree-complex.c (expand_complex_div_wide): Likewise.
10109 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10110 * tree-tailcall.c (eliminate_tailcall): Likewise.
10111 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10112 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10113 * tree-nrv.c (tree_nrv): Likewise.
10114 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10115 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10116 (combine_blocks): Likewise.
10117 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10118 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10119 (cleanup_control_flow): Likewise.
10120 (remove_forwarder_block): Likewise.
10121 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10122 * tree-sra.c (sra_replace): Likewise.
10123 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10124 (forward_propagate_single_use_vars): Likewise.
10125 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10126 * tree-inline.c (expand_call_inline): Likewise.
10127 * tree-vect-transform.c (vect_transform_loop): Likewise.
10128 * tree-outof-ssa.c (rewrite_trees): Likewise.
10129 * tree-cfg.c (make_goto_expr_edges): Likewise.
10130 (cleanup_dead_labels): Likewise.
10131 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10132 (bsi_move_before, bsi_move_after): Likewise.
10133 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10134 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10136 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10139 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10141 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10142 on non gimple variables. Also add checks at the top for decls and
10144 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10146 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10147 and IMAGPART_EXPR for creating MUST_DEFs.
10148 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10149 and NAME_MEMORY_TAG separately from the DECLs.
10151 2006-01-06 Richard Guenther <rguenther@suse.de>
10153 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10154 annotation, if necessary.
10155 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10156 redundant calls to update_stmt.
10157 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10160 2006-01-05 Richard Henderson <rth@redhat.com>
10162 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10164 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10166 * c-typeck.c: Update copyright date.
10168 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10170 * c-typeck.c (build_c_cast): Always warn when casting
10171 from a pointer to an integer of different size, even if
10172 the node was constant.
10174 2006-01-05 Richard Guenther <rguenther@suse.de>
10176 PR tree-optimization/22555
10177 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10178 if one structure field is an array.
10179 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10180 operands even if we found a subvar, but ignore VOPs in this
10182 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10184 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10186 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10188 PR middle-end/24998
10189 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10191 2006-01-05 Richard Guenther <rguenther@suse.de>
10192 Diego Novillo <dnovillo@redhat.com>
10194 * tree-pass.h (TODO_remove_unused_locals): Define.
10195 * gimple-low.c (expand_var_p, remove_useless_vars,
10196 pass_remove_useless_vars): Remove. Update all users.
10197 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10198 (remove_unused_locals): New function.
10199 * tree-flow.h (remove_unused_locals): Declare.
10200 * passes.c (execute_todo): Call remove_unused_locals if
10201 TODO_remove_unused_locals is set.
10202 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10203 * tree-ssa-dce.c (pass_dce): Likewise.
10204 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10206 2006-01-05 Richard Guenther <rguenther@suse.de>
10208 * tree-flow.h (struct fieldoff): Decompose field to
10209 type, size and decl.
10210 * tree-ssa-alias.c (create_sft): Take type as parameter.
10211 (create_overlap_variables_for): Store type, size and decl
10212 in the fieldoff structure.
10213 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10214 of struct fieldoff.
10215 (push_fields_onto_fieldstack): Likewise.
10216 (create_variable_info_for): Likewise. Use offset for the
10217 SFT name if the decl is not available.
10219 2006-01-04 Paul Brook <paul@codesourcery.com>
10221 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10223 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10225 * lambda-code.c (can_put_in_inner_loop): Relax
10227 (can_put_after_inner_loop): New function.
10228 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10229 (perfect_nestify): Change to make copies and modify uses.
10231 2006-01-04 Richard Henderson <rth@redhat.com>
10233 Merge from gomp branch:
10234 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10235 via integer constant.
10236 (pragma_lex): Remove.
10237 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10238 rather than parsing it.
10239 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10240 handle_pragma_extern_prefix): Add %< %> quotes.
10241 (registered_pragmas): New.
10242 (c_register_pragma_1): New.
10243 (c_register_pragma): Use it.
10244 (c_register_pragma_with_expansion): Likewise.
10245 (c_invoke_pragma_handler): New.
10246 (init_pragma): Use cpp_register_deferred_pragma directly for
10248 * c-pragma.h (enum pragma_kind): New.
10249 (pragma_handler): New.
10250 (c_invoke_pragma_handler): Declare.
10251 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10253 * c-common.h (c_common_pch_pragma): Update decl.
10254 * Makefile.in (c-parser.o): Update dependencies.
10255 (GTFILES): Add c-pragma.h.
10256 * c-parser.c (struct c_token): Add pragma_kind.
10257 (struct c_parser): Add in_pragma.
10258 (c_lex_one_token): Always initialize keyword and pragma_kind.
10259 Extract data for CPP_PRAGMA.
10260 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10261 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10262 Don't allow CPP_PRAGMA_EOL if in_pragma.
10263 (c_parser_consume_pragma): New.
10264 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10265 (c_parser_skip_to_end_of_parameter): Likewise.
10266 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10267 (c_parser_skip_to_pragma_eol): New.
10268 (c_parser_external_declaration): Handle CPP_PRAGMA.
10269 (c_parser_compound_statement_nostart): Likewise.
10270 (c_parser_statement_after_labels): Likewise.
10271 (c_parser_pragma): New.
10272 (pragma_lex): Likewise.
10273 (c_parser_pragma_pch_preprocess): New.
10274 (c_parser_new): Merge into ...
10275 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10277 2006-01-04 Jeff Law <law@redhat.com>
10280 * tree-cfg.c (bsi_replace): Remove the original statement
10281 from the EH throw statement table.
10283 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10285 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10286 make the prototype extern "C" and add throw ().
10289 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10290 and pos non-negative and pos + len <= 32.
10291 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10292 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10293 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10296 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10297 as well as sizes not multiple of component size.
10300 * function.c (instantiate_expr): New function.
10301 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10302 walk its DECL_VALUE_EXPR with instantiate_expr.
10304 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10305 DW_OP_deref{,_size} if address isn't going to be added.
10307 2006-01-04 Ben Elliston <bje@au.ibm.com>
10309 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10310 * config/fp-bit.c: Likewise.
10312 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10314 * dominance.c: Add comment about why we use DFS numbering
10317 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10318 Richard Henderson <rth@redhat.com>
10320 Merge from gomp-branch:
10321 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10322 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10324 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10326 PR rtl-optimization/25578
10327 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10328 pass a parameter to simplify_shift_const if changing ASHIFTRT
10331 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10333 * builtins.c (get_builtin_sync_mem): New function.
10334 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10335 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10336 Call get_builtin_sync_mem to generate mem rtx.
10338 2006-01-03 Richard Guenther <rguenther@suse.de>
10341 * stmt.c (add_case_node): Make sure to clear overflow flags
10344 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10346 Merge from gomp-branch.
10347 * config/sparc/sync.md: New file.
10348 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10349 UNSPECV_LDSTUB): New constants.
10350 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10351 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10352 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10355 2006-01-03 Roger Sayle <roger@eyesopen.com>
10357 * combine.c (reg_subword_p): New predicate to test whether the
10358 destination of a set refers to a subword/piece of a register.
10359 (try_combine): Generalize the code to merge the setting of a
10360 pseudo to a constant followed by a set of a subword of that
10361 register to a constant.
10363 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10365 * basic-block.h (control_flow_graph): Change the type of
10366 x_label_to_block_map to VEC(basic_block,gc) *.
10367 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10368 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10370 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10371 VEC(basic_block,heap) *.
10372 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10373 ssa_prop_fini): Adjust the uses of cfg_blocks.
10375 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10377 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10379 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10380 hashing trees instead of a pointer hash.
10381 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10382 compare for MEM_EXPR.
10384 PR rtl-optimization/25130
10385 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10386 when comparing MEMs for GCSE
10388 2006-01-03 Ben Elliston <bje@au.ibm.com>
10390 * targhooks.h (default_decimal_float_supported_p): Declare.
10391 * targhooks.c (default_decimal_float_supported_p): Define.
10392 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10393 `default_decimal_float_supported_p'.
10394 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10396 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10398 * combine.c (apply_distributive_law <SUBREG>): Check
10399 TRULY_NOOP_TRUNCATION.
10401 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10403 * dwarf2out.c (have_switched_text_section): Delete.
10404 (have_multiple_function_sections): New.
10405 (have_location_lists): Make 'bool'.
10406 (add_AT_loc_list): Use 'true' not '1'.
10407 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10408 (output_loc_list): Use have_multiple_function_sections.
10409 (output_ranges): Likewise.
10410 (dwarf2out_begin_function): Set have_multiple_function_sections if
10412 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10413 Check function_section rather than DECL_SECTION_NAME.
10414 (dwarf2out_finish): Use have_multiple_function_sections.
10415 Don't clear have_location_lists.
10417 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10418 Jan Hubicka <jh@suse.cz>
10420 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10421 case of conditional jump jumping to the next instruction.
10422 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10423 cases of conditional jump jumping to the next instruction.
10425 2006-01-02 Jan Hubicka <jh@suse.cz>
10427 * i386.c (*_cost): Add COSTS_N_INSNS.
10428 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10430 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10433 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10435 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10437 * config/arm/arm.c (all_fpus): Fix comment typo.
10438 * config/darwin.c: Likewise.
10439 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10440 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10441 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10443 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10445 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10446 (rs6000_split_compare_and_swapqhi): New.
10447 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10448 (sync_compare_and_swapqhi_internal): New.
10449 * config/rs6000/rs6000-protos.h: Declare.
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